njn | 99c8558 | 2005-12-20 23:02:43 +0000 | [diff] [blame] | 1 | /* |
| 2 | * TCC - Tiny C Compiler |
| 3 | * |
| 4 | * Copyright (c) 2001-2004 Fabrice Bellard |
| 5 | * |
| 6 | * This library is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU Lesser General Public |
| 8 | * License as published by the Free Software Foundation; either |
| 9 | * version 2 of the License, or (at your option) any later version. |
| 10 | * |
| 11 | * This library is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | * Lesser General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU Lesser General Public |
| 17 | * License along with this library; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | */ |
| 20 | #define _GNU_SOURCE |
| 21 | |
| 22 | // njn: inlined config.h |
| 23 | //#include "config.h" |
| 24 | //--------------------------------------------------------------------------- |
| 25 | /* Automatically generated by configure - do not modify */ |
| 26 | #define CONFIG_TCCDIR "tinycc-extras" |
| 27 | #define GCC_MAJOR 3 |
| 28 | #define HOST_I386 1 |
| 29 | #define TCC_VERSION "0.9.23" |
| 30 | //--------------------------------------------------------------------------- |
| 31 | |
| 32 | // njn: comment out CONFIG_TCCBOOT branch |
| 33 | //#ifdef CONFIG_TCCBOOT |
| 34 | // |
| 35 | //#include "tccboot.h" |
| 36 | //#define CONFIG_TCC_STATIC |
| 37 | // |
| 38 | //#else |
| 39 | |
sewardj | b1e1a7a | 2005-12-26 03:54:49 +0000 | [diff] [blame] | 40 | #include <assert.h> |
njn | 99c8558 | 2005-12-20 23:02:43 +0000 | [diff] [blame] | 41 | #include <stdlib.h> |
| 42 | #include <stdio.h> |
| 43 | #include <stdarg.h> |
| 44 | #include <string.h> |
| 45 | #include <errno.h> |
| 46 | #include <math.h> |
| 47 | #include <unistd.h> |
| 48 | #include <signal.h> |
| 49 | #include <fcntl.h> |
| 50 | #include <setjmp.h> |
| 51 | #include <time.h> |
| 52 | #ifdef WIN32 |
| 53 | #include <sys/timeb.h> |
| 54 | #endif |
| 55 | #ifndef WIN32 |
| 56 | #include <sys/time.h> |
| 57 | #include <sys/ucontext.h> |
| 58 | #endif |
| 59 | |
| 60 | //#endif /* !CONFIG_TCCBOOT */ |
| 61 | |
| 62 | // njn: inlined elf.h |
| 63 | //#include "elf.h" |
| 64 | //--------------------------------------------------------------------------- |
| 65 | /* This file defines standard ELF types, structures, and macros. |
| 66 | Copyright (C) 1995, 1996, 1997, 1998, 1999 Free Software Foundation, Inc. |
| 67 | This file is part of the GNU C Library. |
| 68 | Contributed by Ian Lance Taylor <ian@cygnus.com>. |
| 69 | |
| 70 | The GNU C Library is free software; you can redistribute it and/or |
| 71 | modify it under the terms of the GNU Library General Public License as |
| 72 | published by the Free Software Foundation; either version 2 of the |
| 73 | License, or (at your option) any later version. |
| 74 | |
| 75 | The GNU C Library is distributed in the hope that it will be useful, |
| 76 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 77 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 78 | Library General Public License for more details. |
| 79 | |
| 80 | You should have received a copy of the GNU Library General Public |
| 81 | License along with the GNU C Library; see the file COPYING.LIB. If not, |
| 82 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| 83 | Boston, MA 02111-1307, USA. */ |
| 84 | |
| 85 | #ifndef _ELF_H |
| 86 | #define _ELF_H 1 |
| 87 | |
| 88 | #ifndef WIN32 |
| 89 | #include <inttypes.h> |
| 90 | #else |
| 91 | #ifndef __int8_t_defined |
| 92 | #define __int8_t_defined |
| 93 | typedef signed char int8_t; |
| 94 | typedef short int int16_t; |
| 95 | typedef int int32_t; |
| 96 | typedef long long int int64_t; |
| 97 | #endif |
| 98 | |
| 99 | typedef unsigned char uint8_t; |
| 100 | typedef unsigned short int uint16_t; |
| 101 | typedef unsigned int uint32_t; |
| 102 | typedef unsigned long long int uint64_t; |
| 103 | #endif |
| 104 | |
| 105 | /* Standard ELF types. */ |
| 106 | |
| 107 | /* Type for a 16-bit quantity. */ |
| 108 | typedef uint16_t Elf32_Half; |
| 109 | typedef uint16_t Elf64_Half; |
| 110 | |
| 111 | /* Types for signed and unsigned 32-bit quantities. */ |
| 112 | typedef uint32_t Elf32_Word; |
| 113 | typedef int32_t Elf32_Sword; |
| 114 | typedef uint32_t Elf64_Word; |
| 115 | typedef int32_t Elf64_Sword; |
| 116 | |
| 117 | /* Types for signed and unsigned 64-bit quantities. */ |
| 118 | typedef uint64_t Elf32_Xword; |
| 119 | typedef int64_t Elf32_Sxword; |
| 120 | typedef uint64_t Elf64_Xword; |
| 121 | typedef int64_t Elf64_Sxword; |
| 122 | |
| 123 | /* Type of addresses. */ |
| 124 | typedef uint32_t Elf32_Addr; |
| 125 | typedef uint64_t Elf64_Addr; |
| 126 | |
| 127 | /* Type of file offsets. */ |
| 128 | typedef uint32_t Elf32_Off; |
| 129 | typedef uint64_t Elf64_Off; |
| 130 | |
| 131 | /* Type for section indices, which are 16-bit quantities. */ |
| 132 | typedef uint16_t Elf32_Section; |
| 133 | typedef uint16_t Elf64_Section; |
| 134 | |
| 135 | /* Type of symbol indices. */ |
| 136 | typedef uint32_t Elf32_Symndx; |
| 137 | typedef uint64_t Elf64_Symndx; |
| 138 | |
| 139 | |
| 140 | /* The ELF file header. This appears at the start of every ELF file. */ |
| 141 | |
| 142 | #define EI_NIDENT (16) |
| 143 | |
| 144 | typedef struct |
| 145 | { |
| 146 | unsigned char e_ident[EI_NIDENT]; /* Magic number and other info */ |
| 147 | Elf32_Half e_type; /* Object file type */ |
| 148 | Elf32_Half e_machine; /* Architecture */ |
| 149 | Elf32_Word e_version; /* Object file version */ |
| 150 | Elf32_Addr e_entry; /* Entry point virtual address */ |
| 151 | Elf32_Off e_phoff; /* Program header table file offset */ |
| 152 | Elf32_Off e_shoff; /* Section header table file offset */ |
| 153 | Elf32_Word e_flags; /* Processor-specific flags */ |
| 154 | Elf32_Half e_ehsize; /* ELF header size in bytes */ |
| 155 | Elf32_Half e_phentsize; /* Program header table entry size */ |
| 156 | Elf32_Half e_phnum; /* Program header table entry count */ |
| 157 | Elf32_Half e_shentsize; /* Section header table entry size */ |
| 158 | Elf32_Half e_shnum; /* Section header table entry count */ |
| 159 | Elf32_Half e_shstrndx; /* Section header string table index */ |
| 160 | } Elf32_Ehdr; |
| 161 | |
| 162 | typedef struct |
| 163 | { |
| 164 | unsigned char e_ident[EI_NIDENT]; /* Magic number and other info */ |
| 165 | Elf64_Half e_type; /* Object file type */ |
| 166 | Elf64_Half e_machine; /* Architecture */ |
| 167 | Elf64_Word e_version; /* Object file version */ |
| 168 | Elf64_Addr e_entry; /* Entry point virtual address */ |
| 169 | Elf64_Off e_phoff; /* Program header table file offset */ |
| 170 | Elf64_Off e_shoff; /* Section header table file offset */ |
| 171 | Elf64_Word e_flags; /* Processor-specific flags */ |
| 172 | Elf64_Half e_ehsize; /* ELF header size in bytes */ |
| 173 | Elf64_Half e_phentsize; /* Program header table entry size */ |
| 174 | Elf64_Half e_phnum; /* Program header table entry count */ |
| 175 | Elf64_Half e_shentsize; /* Section header table entry size */ |
| 176 | Elf64_Half e_shnum; /* Section header table entry count */ |
| 177 | Elf64_Half e_shstrndx; /* Section header string table index */ |
| 178 | } Elf64_Ehdr; |
| 179 | |
| 180 | /* Fields in the e_ident array. The EI_* macros are indices into the |
| 181 | array. The macros under each EI_* macro are the values the byte |
| 182 | may have. */ |
| 183 | |
| 184 | #define EI_MAG0 0 /* File identification byte 0 index */ |
| 185 | #define ELFMAG0 0x7f /* Magic number byte 0 */ |
| 186 | |
| 187 | #define EI_MAG1 1 /* File identification byte 1 index */ |
| 188 | #define ELFMAG1 'E' /* Magic number byte 1 */ |
| 189 | |
| 190 | #define EI_MAG2 2 /* File identification byte 2 index */ |
| 191 | #define ELFMAG2 'L' /* Magic number byte 2 */ |
| 192 | |
| 193 | #define EI_MAG3 3 /* File identification byte 3 index */ |
| 194 | #define ELFMAG3 'F' /* Magic number byte 3 */ |
| 195 | |
| 196 | /* Conglomeration of the identification bytes, for easy testing as a word. */ |
| 197 | #define ELFMAG "\177ELF" |
| 198 | #define SELFMAG 4 |
| 199 | |
| 200 | #define EI_CLASS 4 /* File class byte index */ |
| 201 | #define ELFCLASSNONE 0 /* Invalid class */ |
| 202 | #define ELFCLASS32 1 /* 32-bit objects */ |
| 203 | #define ELFCLASS64 2 /* 64-bit objects */ |
| 204 | #define ELFCLASSNUM 3 |
| 205 | |
| 206 | #define EI_DATA 5 /* Data encoding byte index */ |
| 207 | #define ELFDATANONE 0 /* Invalid data encoding */ |
| 208 | #define ELFDATA2LSB 1 /* 2's complement, little endian */ |
| 209 | #define ELFDATA2MSB 2 /* 2's complement, big endian */ |
| 210 | #define ELFDATANUM 3 |
| 211 | |
| 212 | #define EI_VERSION 6 /* File version byte index */ |
| 213 | /* Value must be EV_CURRENT */ |
| 214 | |
| 215 | #define EI_OSABI 7 /* OS ABI identification */ |
| 216 | #define ELFOSABI_SYSV 0 /* UNIX System V ABI */ |
| 217 | #define ELFOSABI_HPUX 1 /* HP-UX */ |
| 218 | #define ELFOSABI_FREEBSD 9 /* Free BSD */ |
| 219 | #define ELFOSABI_ARM 97 /* ARM */ |
| 220 | #define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */ |
| 221 | |
| 222 | #define EI_ABIVERSION 8 /* ABI version */ |
| 223 | |
| 224 | #define EI_PAD 9 /* Byte index of padding bytes */ |
| 225 | |
| 226 | /* Legal values for e_type (object file type). */ |
| 227 | |
| 228 | #define ET_NONE 0 /* No file type */ |
| 229 | #define ET_REL 1 /* Relocatable file */ |
| 230 | #define ET_EXEC 2 /* Executable file */ |
| 231 | #define ET_DYN 3 /* Shared object file */ |
| 232 | #define ET_CORE 4 /* Core file */ |
| 233 | #define ET_NUM 5 /* Number of defined types */ |
| 234 | #define ET_LOPROC 0xff00 /* Processor-specific */ |
| 235 | #define ET_HIPROC 0xffff /* Processor-specific */ |
| 236 | |
| 237 | /* Legal values for e_machine (architecture). */ |
| 238 | |
| 239 | #define EM_NONE 0 /* No machine */ |
| 240 | #define EM_M32 1 /* AT&T WE 32100 */ |
| 241 | #define EM_SPARC 2 /* SUN SPARC */ |
| 242 | #define EM_386 3 /* Intel 80386 */ |
| 243 | #define EM_68K 4 /* Motorola m68k family */ |
| 244 | #define EM_88K 5 /* Motorola m88k family */ |
| 245 | #define EM_486 6 /* Intel 80486 */ |
| 246 | #define EM_860 7 /* Intel 80860 */ |
| 247 | #define EM_MIPS 8 /* MIPS R3000 big-endian */ |
| 248 | #define EM_S370 9 /* Amdahl */ |
| 249 | #define EM_MIPS_RS4_BE 10 /* MIPS R4000 big-endian */ |
| 250 | #define EM_RS6000 11 /* RS6000 */ |
| 251 | |
| 252 | #define EM_PARISC 15 /* HPPA */ |
| 253 | #define EM_nCUBE 16 /* nCUBE */ |
| 254 | #define EM_VPP500 17 /* Fujitsu VPP500 */ |
| 255 | #define EM_SPARC32PLUS 18 /* Sun's "v8plus" */ |
| 256 | #define EM_960 19 /* Intel 80960 */ |
| 257 | #define EM_PPC 20 /* PowerPC */ |
| 258 | |
| 259 | #define EM_V800 36 /* NEC V800 series */ |
| 260 | #define EM_FR20 37 /* Fujitsu FR20 */ |
| 261 | #define EM_RH32 38 /* TRW RH32 */ |
| 262 | #define EM_MMA 39 /* Fujitsu MMA */ |
| 263 | #define EM_ARM 40 /* ARM */ |
| 264 | #define EM_FAKE_ALPHA 41 /* Digital Alpha */ |
| 265 | #define EM_SH 42 /* Hitachi SH */ |
| 266 | #define EM_SPARCV9 43 /* SPARC v9 64-bit */ |
| 267 | #define EM_TRICORE 44 /* Siemens Tricore */ |
| 268 | #define EM_ARC 45 /* Argonaut RISC Core */ |
| 269 | #define EM_H8_300 46 /* Hitachi H8/300 */ |
| 270 | #define EM_H8_300H 47 /* Hitachi H8/300H */ |
| 271 | #define EM_H8S 48 /* Hitachi H8S */ |
| 272 | #define EM_H8_500 49 /* Hitachi H8/500 */ |
| 273 | #define EM_IA_64 50 /* Intel Merced */ |
| 274 | #define EM_MIPS_X 51 /* Stanford MIPS-X */ |
| 275 | #define EM_COLDFIRE 52 /* Motorola Coldfire */ |
| 276 | #define EM_68HC12 53 /* Motorola M68HC12 */ |
| 277 | #define EM_NUM 54 |
| 278 | |
| 279 | /* If it is necessary to assign new unofficial EM_* values, please |
| 280 | pick large random numbers (0x8523, 0xa7f2, etc.) to minimize the |
| 281 | chances of collision with official or non-GNU unofficial values. */ |
| 282 | |
| 283 | #define EM_ALPHA 0x9026 |
| 284 | #define EM_C60 0x9c60 |
| 285 | |
| 286 | /* Legal values for e_version (version). */ |
| 287 | |
| 288 | #define EV_NONE 0 /* Invalid ELF version */ |
| 289 | #define EV_CURRENT 1 /* Current version */ |
| 290 | #define EV_NUM 2 |
| 291 | |
| 292 | /* Section header. */ |
| 293 | |
| 294 | typedef struct |
| 295 | { |
| 296 | Elf32_Word sh_name; /* Section name (string tbl index) */ |
| 297 | Elf32_Word sh_type; /* Section type */ |
| 298 | Elf32_Word sh_flags; /* Section flags */ |
| 299 | Elf32_Addr sh_addr; /* Section virtual addr at execution */ |
| 300 | Elf32_Off sh_offset; /* Section file offset */ |
| 301 | Elf32_Word sh_size; /* Section size in bytes */ |
| 302 | Elf32_Word sh_link; /* Link to another section */ |
| 303 | Elf32_Word sh_info; /* Additional section information */ |
| 304 | Elf32_Word sh_addralign; /* Section alignment */ |
| 305 | Elf32_Word sh_entsize; /* Entry size if section holds table */ |
| 306 | } Elf32_Shdr; |
| 307 | |
| 308 | typedef struct |
| 309 | { |
| 310 | Elf64_Word sh_name; /* Section name (string tbl index) */ |
| 311 | Elf64_Word sh_type; /* Section type */ |
| 312 | Elf64_Xword sh_flags; /* Section flags */ |
| 313 | Elf64_Addr sh_addr; /* Section virtual addr at execution */ |
| 314 | Elf64_Off sh_offset; /* Section file offset */ |
| 315 | Elf64_Xword sh_size; /* Section size in bytes */ |
| 316 | Elf64_Word sh_link; /* Link to another section */ |
| 317 | Elf64_Word sh_info; /* Additional section information */ |
| 318 | Elf64_Xword sh_addralign; /* Section alignment */ |
| 319 | Elf64_Xword sh_entsize; /* Entry size if section holds table */ |
| 320 | } Elf64_Shdr; |
| 321 | |
| 322 | /* Special section indices. */ |
| 323 | |
| 324 | #define SHN_UNDEF 0 /* Undefined section */ |
| 325 | #define SHN_LORESERVE 0xff00 /* Start of reserved indices */ |
| 326 | #define SHN_LOPROC 0xff00 /* Start of processor-specific */ |
| 327 | #define SHN_HIPROC 0xff1f /* End of processor-specific */ |
| 328 | #define SHN_ABS 0xfff1 /* Associated symbol is absolute */ |
| 329 | #define SHN_COMMON 0xfff2 /* Associated symbol is common */ |
| 330 | #define SHN_HIRESERVE 0xffff /* End of reserved indices */ |
| 331 | |
| 332 | /* Legal values for sh_type (section type). */ |
| 333 | |
| 334 | #define SHT_NULL 0 /* Section header table entry unused */ |
| 335 | #define SHT_PROGBITS 1 /* Program data */ |
| 336 | #define SHT_SYMTAB 2 /* Symbol table */ |
| 337 | #define SHT_STRTAB 3 /* String table */ |
| 338 | #define SHT_RELA 4 /* Relocation entries with addends */ |
| 339 | #define SHT_HASH 5 /* Symbol hash table */ |
| 340 | #define SHT_DYNAMIC 6 /* Dynamic linking information */ |
| 341 | #define SHT_NOTE 7 /* Notes */ |
| 342 | #define SHT_NOBITS 8 /* Program space with no data (bss) */ |
| 343 | #define SHT_REL 9 /* Relocation entries, no addends */ |
| 344 | #define SHT_SHLIB 10 /* Reserved */ |
| 345 | #define SHT_DYNSYM 11 /* Dynamic linker symbol table */ |
| 346 | #define SHT_NUM 12 /* Number of defined types. */ |
| 347 | #define SHT_LOOS 0x60000000 /* Start OS-specific */ |
| 348 | #define SHT_LOSUNW 0x6ffffffb /* Sun-specific low bound. */ |
| 349 | #define SHT_SUNW_COMDAT 0x6ffffffb |
| 350 | #define SHT_SUNW_syminfo 0x6ffffffc |
| 351 | #define SHT_GNU_verdef 0x6ffffffd /* Version definition section. */ |
| 352 | #define SHT_GNU_verneed 0x6ffffffe /* Version needs section. */ |
| 353 | #define SHT_GNU_versym 0x6fffffff /* Version symbol table. */ |
| 354 | #define SHT_HISUNW 0x6fffffff /* Sun-specific high bound. */ |
| 355 | #define SHT_HIOS 0x6fffffff /* End OS-specific type */ |
| 356 | #define SHT_LOPROC 0x70000000 /* Start of processor-specific */ |
| 357 | #define SHT_HIPROC 0x7fffffff /* End of processor-specific */ |
| 358 | #define SHT_LOUSER 0x80000000 /* Start of application-specific */ |
| 359 | #define SHT_HIUSER 0x8fffffff /* End of application-specific */ |
| 360 | |
| 361 | /* Legal values for sh_flags (section flags). */ |
| 362 | |
| 363 | #define SHF_WRITE (1 << 0) /* Writable */ |
| 364 | #define SHF_ALLOC (1 << 1) /* Occupies memory during execution */ |
| 365 | #define SHF_EXECINSTR (1 << 2) /* Executable */ |
| 366 | #define SHF_MASKPROC 0xf0000000 /* Processor-specific */ |
| 367 | |
| 368 | /* Symbol table entry. */ |
| 369 | |
| 370 | typedef struct |
| 371 | { |
| 372 | Elf32_Word st_name; /* Symbol name (string tbl index) */ |
| 373 | Elf32_Addr st_value; /* Symbol value */ |
| 374 | Elf32_Word st_size; /* Symbol size */ |
| 375 | unsigned char st_info; /* Symbol type and binding */ |
| 376 | unsigned char st_other; /* No defined meaning, 0 */ |
| 377 | Elf32_Section st_shndx; /* Section index */ |
| 378 | } Elf32_Sym; |
| 379 | |
| 380 | typedef struct |
| 381 | { |
| 382 | Elf64_Word st_name; /* Symbol name (string tbl index) */ |
| 383 | unsigned char st_info; /* Symbol type and binding */ |
| 384 | unsigned char st_other; /* No defined meaning, 0 */ |
| 385 | Elf64_Section st_shndx; /* Section index */ |
| 386 | Elf64_Addr st_value; /* Symbol value */ |
| 387 | Elf64_Xword st_size; /* Symbol size */ |
| 388 | } Elf64_Sym; |
| 389 | |
| 390 | /* The syminfo section if available contains additional information about |
| 391 | every dynamic symbol. */ |
| 392 | |
| 393 | typedef struct |
| 394 | { |
| 395 | Elf32_Half si_boundto; /* Direct bindings, symbol bound to */ |
| 396 | Elf32_Half si_flags; /* Per symbol flags */ |
| 397 | } Elf32_Syminfo; |
| 398 | |
| 399 | typedef struct |
| 400 | { |
| 401 | Elf64_Half si_boundto; /* Direct bindings, symbol bound to */ |
| 402 | Elf64_Half si_flags; /* Per symbol flags */ |
| 403 | } Elf64_Syminfo; |
| 404 | |
| 405 | /* Possible values for si_boundto. */ |
| 406 | #define SYMINFO_BT_SELF 0xffff /* Symbol bound to self */ |
| 407 | #define SYMINFO_BT_PARENT 0xfffe /* Symbol bound to parent */ |
| 408 | #define SYMINFO_BT_LOWRESERVE 0xff00 /* Beginning of reserved entries */ |
| 409 | |
| 410 | /* Possible bitmasks for si_flags. */ |
| 411 | #define SYMINFO_FLG_DIRECT 0x0001 /* Direct bound symbol */ |
| 412 | #define SYMINFO_FLG_PASSTHRU 0x0002 /* Pass-thru symbol for translator */ |
| 413 | #define SYMINFO_FLG_COPY 0x0004 /* Symbol is a copy-reloc */ |
| 414 | #define SYMINFO_FLG_LAZYLOAD 0x0008 /* Symbol bound to object to be lazy |
| 415 | loaded */ |
| 416 | /* Syminfo version values. */ |
| 417 | #define SYMINFO_NONE 0 |
| 418 | #define SYMINFO_CURRENT 1 |
| 419 | #define SYMINFO_NUM 2 |
| 420 | |
| 421 | |
| 422 | /* Special section index. */ |
| 423 | |
| 424 | #define SHN_UNDEF 0 /* No section, undefined symbol. */ |
| 425 | |
| 426 | /* How to extract and insert information held in the st_info field. */ |
| 427 | |
| 428 | #define ELF32_ST_BIND(val) (((unsigned char) (val)) >> 4) |
| 429 | #define ELF32_ST_TYPE(val) ((val) & 0xf) |
| 430 | #define ELF32_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf)) |
| 431 | |
| 432 | /* Both Elf32_Sym and Elf64_Sym use the same one-byte st_info field. */ |
| 433 | #define ELF64_ST_BIND(val) ELF32_ST_BIND (val) |
| 434 | #define ELF64_ST_TYPE(val) ELF32_ST_TYPE (val) |
| 435 | #define ELF64_ST_INFO(bind, type) ELF32_ST_INFO ((bind), (type)) |
| 436 | |
| 437 | /* Legal values for ST_BIND subfield of st_info (symbol binding). */ |
| 438 | |
| 439 | #define STB_LOCAL 0 /* Local symbol */ |
| 440 | #define STB_GLOBAL 1 /* Global symbol */ |
| 441 | #define STB_WEAK 2 /* Weak symbol */ |
| 442 | #define STB_NUM 3 /* Number of defined types. */ |
| 443 | #define STB_LOOS 10 /* Start of OS-specific */ |
| 444 | #define STB_HIOS 12 /* End of OS-specific */ |
| 445 | #define STB_LOPROC 13 /* Start of processor-specific */ |
| 446 | #define STB_HIPROC 15 /* End of processor-specific */ |
| 447 | |
| 448 | /* Legal values for ST_TYPE subfield of st_info (symbol type). */ |
| 449 | |
| 450 | #define STT_NOTYPE 0 /* Symbol type is unspecified */ |
| 451 | #define STT_OBJECT 1 /* Symbol is a data object */ |
| 452 | #define STT_FUNC 2 /* Symbol is a code object */ |
| 453 | #define STT_SECTION 3 /* Symbol associated with a section */ |
| 454 | #define STT_FILE 4 /* Symbol's name is file name */ |
| 455 | #define STT_NUM 5 /* Number of defined types. */ |
| 456 | #define STT_LOOS 11 /* Start of OS-specific */ |
| 457 | #define STT_HIOS 12 /* End of OS-specific */ |
| 458 | #define STT_LOPROC 13 /* Start of processor-specific */ |
| 459 | #define STT_HIPROC 15 /* End of processor-specific */ |
| 460 | |
| 461 | |
| 462 | /* Symbol table indices are found in the hash buckets and chain table |
| 463 | of a symbol hash table section. This special index value indicates |
| 464 | the end of a chain, meaning no further symbols are found in that bucket. */ |
| 465 | |
| 466 | #define STN_UNDEF 0 /* End of a chain. */ |
| 467 | |
| 468 | |
| 469 | /* How to extract and insert information held in the st_other field. */ |
| 470 | |
| 471 | #define ELF32_ST_VISIBILITY(o) ((o) & 0x03) |
| 472 | |
| 473 | /* For ELF64 the definitions are the same. */ |
| 474 | #define ELF64_ST_VISIBILITY(o) ELF32_ST_VISIBILITY (o) |
| 475 | |
| 476 | /* Symbol visibility specification encoded in the st_other field. */ |
| 477 | #define STV_DEFAULT 0 /* Default symbol visibility rules */ |
| 478 | #define STV_INTERNAL 1 /* Processor specific hidden class */ |
| 479 | #define STV_HIDDEN 2 /* Sym unavailable in other modules */ |
| 480 | #define STV_PROTECTED 3 /* Not preemptible, not exported */ |
| 481 | |
| 482 | |
| 483 | /* Relocation table entry without addend (in section of type SHT_REL). */ |
| 484 | |
| 485 | typedef struct |
| 486 | { |
| 487 | Elf32_Addr r_offset; /* Address */ |
| 488 | Elf32_Word r_info; /* Relocation type and symbol index */ |
| 489 | } Elf32_Rel; |
| 490 | |
| 491 | /* I have seen two different definitions of the Elf64_Rel and |
| 492 | Elf64_Rela structures, so we'll leave them out until Novell (or |
| 493 | whoever) gets their act together. */ |
| 494 | /* The following, at least, is used on Sparc v9, MIPS, and Alpha. */ |
| 495 | |
| 496 | typedef struct |
| 497 | { |
| 498 | Elf64_Addr r_offset; /* Address */ |
| 499 | Elf64_Xword r_info; /* Relocation type and symbol index */ |
| 500 | } Elf64_Rel; |
| 501 | |
| 502 | /* Relocation table entry with addend (in section of type SHT_RELA). */ |
| 503 | |
| 504 | typedef struct |
| 505 | { |
| 506 | Elf32_Addr r_offset; /* Address */ |
| 507 | Elf32_Word r_info; /* Relocation type and symbol index */ |
| 508 | Elf32_Sword r_addend; /* Addend */ |
| 509 | } Elf32_Rela; |
| 510 | |
| 511 | typedef struct |
| 512 | { |
| 513 | Elf64_Addr r_offset; /* Address */ |
| 514 | Elf64_Xword r_info; /* Relocation type and symbol index */ |
| 515 | Elf64_Sxword r_addend; /* Addend */ |
| 516 | } Elf64_Rela; |
| 517 | |
| 518 | /* How to extract and insert information held in the r_info field. */ |
| 519 | |
| 520 | #define ELF32_R_SYM(val) ((val) >> 8) |
| 521 | #define ELF32_R_TYPE(val) ((val) & 0xff) |
| 522 | #define ELF32_R_INFO(sym, type) (((sym) << 8) + ((type) & 0xff)) |
| 523 | |
| 524 | #define ELF64_R_SYM(i) ((i) >> 32) |
| 525 | #define ELF64_R_TYPE(i) ((i) & 0xffffffff) |
| 526 | #define ELF64_R_INFO(sym,type) (((sym) << 32) + (type)) |
| 527 | |
| 528 | /* Program segment header. */ |
| 529 | |
| 530 | typedef struct |
| 531 | { |
| 532 | Elf32_Word p_type; /* Segment type */ |
| 533 | Elf32_Off p_offset; /* Segment file offset */ |
| 534 | Elf32_Addr p_vaddr; /* Segment virtual address */ |
| 535 | Elf32_Addr p_paddr; /* Segment physical address */ |
| 536 | Elf32_Word p_filesz; /* Segment size in file */ |
| 537 | Elf32_Word p_memsz; /* Segment size in memory */ |
| 538 | Elf32_Word p_flags; /* Segment flags */ |
| 539 | Elf32_Word p_align; /* Segment alignment */ |
| 540 | } Elf32_Phdr; |
| 541 | |
| 542 | typedef struct |
| 543 | { |
| 544 | Elf64_Word p_type; /* Segment type */ |
| 545 | Elf64_Word p_flags; /* Segment flags */ |
| 546 | Elf64_Off p_offset; /* Segment file offset */ |
| 547 | Elf64_Addr p_vaddr; /* Segment virtual address */ |
| 548 | Elf64_Addr p_paddr; /* Segment physical address */ |
| 549 | Elf64_Xword p_filesz; /* Segment size in file */ |
| 550 | Elf64_Xword p_memsz; /* Segment size in memory */ |
| 551 | Elf64_Xword p_align; /* Segment alignment */ |
| 552 | } Elf64_Phdr; |
| 553 | |
| 554 | /* Legal values for p_type (segment type). */ |
| 555 | |
| 556 | #define PT_NULL 0 /* Program header table entry unused */ |
| 557 | #define PT_LOAD 1 /* Loadable program segment */ |
| 558 | #define PT_DYNAMIC 2 /* Dynamic linking information */ |
| 559 | #define PT_INTERP 3 /* Program interpreter */ |
| 560 | #define PT_NOTE 4 /* Auxiliary information */ |
| 561 | #define PT_SHLIB 5 /* Reserved */ |
| 562 | #define PT_PHDR 6 /* Entry for header table itself */ |
| 563 | #define PT_NUM 7 /* Number of defined types. */ |
| 564 | #define PT_LOOS 0x60000000 /* Start of OS-specific */ |
| 565 | #define PT_HIOS 0x6fffffff /* End of OS-specific */ |
| 566 | #define PT_LOPROC 0x70000000 /* Start of processor-specific */ |
| 567 | #define PT_HIPROC 0x7fffffff /* End of processor-specific */ |
| 568 | |
| 569 | /* Legal values for p_flags (segment flags). */ |
| 570 | |
| 571 | #define PF_X (1 << 0) /* Segment is executable */ |
| 572 | #define PF_W (1 << 1) /* Segment is writable */ |
| 573 | #define PF_R (1 << 2) /* Segment is readable */ |
| 574 | #define PF_MASKPROC 0xf0000000 /* Processor-specific */ |
| 575 | |
| 576 | /* Legal values for note segment descriptor types for core files. */ |
| 577 | |
| 578 | #define NT_PRSTATUS 1 /* Contains copy of prstatus struct */ |
| 579 | #define NT_FPREGSET 2 /* Contains copy of fpregset struct */ |
| 580 | #define NT_PRPSINFO 3 /* Contains copy of prpsinfo struct */ |
| 581 | #define NT_PRXREG 4 /* Contains copy of prxregset struct */ |
| 582 | #define NT_PLATFORM 5 /* String from sysinfo(SI_PLATFORM) */ |
| 583 | #define NT_AUXV 6 /* Contains copy of auxv array */ |
| 584 | #define NT_GWINDOWS 7 /* Contains copy of gwindows struct */ |
| 585 | #define NT_PSTATUS 10 /* Contains copy of pstatus struct */ |
| 586 | #define NT_PSINFO 13 /* Contains copy of psinfo struct */ |
| 587 | #define NT_PRCRED 14 /* Contains copy of prcred struct */ |
| 588 | #define NT_UTSNAME 15 /* Contains copy of utsname struct */ |
| 589 | #define NT_LWPSTATUS 16 /* Contains copy of lwpstatus struct */ |
| 590 | #define NT_LWPSINFO 17 /* Contains copy of lwpinfo struct */ |
| 591 | |
| 592 | /* Legal values for the note segment descriptor types for object files. */ |
| 593 | |
| 594 | #define NT_VERSION 1 /* Contains a version string. */ |
| 595 | |
| 596 | |
| 597 | /* Dynamic section entry. */ |
| 598 | |
| 599 | typedef struct |
| 600 | { |
| 601 | Elf32_Sword d_tag; /* Dynamic entry type */ |
| 602 | union |
| 603 | { |
| 604 | Elf32_Word d_val; /* Integer value */ |
| 605 | Elf32_Addr d_ptr; /* Address value */ |
| 606 | } d_un; |
| 607 | } Elf32_Dyn; |
| 608 | |
| 609 | typedef struct |
| 610 | { |
| 611 | Elf64_Sxword d_tag; /* Dynamic entry type */ |
| 612 | union |
| 613 | { |
| 614 | Elf64_Xword d_val; /* Integer value */ |
| 615 | Elf64_Addr d_ptr; /* Address value */ |
| 616 | } d_un; |
| 617 | } Elf64_Dyn; |
| 618 | |
| 619 | /* Legal values for d_tag (dynamic entry type). */ |
| 620 | |
| 621 | #define DT_NULL 0 /* Marks end of dynamic section */ |
| 622 | #define DT_NEEDED 1 /* Name of needed library */ |
| 623 | #define DT_PLTRELSZ 2 /* Size in bytes of PLT relocs */ |
| 624 | #define DT_PLTGOT 3 /* Processor defined value */ |
| 625 | #define DT_HASH 4 /* Address of symbol hash table */ |
| 626 | #define DT_STRTAB 5 /* Address of string table */ |
| 627 | #define DT_SYMTAB 6 /* Address of symbol table */ |
| 628 | #define DT_RELA 7 /* Address of Rela relocs */ |
| 629 | #define DT_RELASZ 8 /* Total size of Rela relocs */ |
| 630 | #define DT_RELAENT 9 /* Size of one Rela reloc */ |
| 631 | #define DT_STRSZ 10 /* Size of string table */ |
| 632 | #define DT_SYMENT 11 /* Size of one symbol table entry */ |
| 633 | #define DT_INIT 12 /* Address of init function */ |
| 634 | #define DT_FINI 13 /* Address of termination function */ |
| 635 | #define DT_SONAME 14 /* Name of shared object */ |
| 636 | #define DT_RPATH 15 /* Library search path */ |
| 637 | #define DT_SYMBOLIC 16 /* Start symbol search here */ |
| 638 | #define DT_REL 17 /* Address of Rel relocs */ |
| 639 | #define DT_RELSZ 18 /* Total size of Rel relocs */ |
| 640 | #define DT_RELENT 19 /* Size of one Rel reloc */ |
| 641 | #define DT_PLTREL 20 /* Type of reloc in PLT */ |
| 642 | #define DT_DEBUG 21 /* For debugging; unspecified */ |
| 643 | #define DT_TEXTREL 22 /* Reloc might modify .text */ |
| 644 | #define DT_JMPREL 23 /* Address of PLT relocs */ |
| 645 | #define DT_BIND_NOW 24 /* Process relocations of object */ |
| 646 | #define DT_INIT_ARRAY 25 /* Array with addresses of init fct */ |
| 647 | #define DT_FINI_ARRAY 26 /* Array with addresses of fini fct */ |
| 648 | #define DT_INIT_ARRAYSZ 27 /* Size in bytes of DT_INIT_ARRAY */ |
| 649 | #define DT_FINI_ARRAYSZ 28 /* Size in bytes of DT_FINI_ARRAY */ |
| 650 | #define DT_NUM 29 /* Number used */ |
| 651 | #define DT_LOOS 0x60000000 /* Start of OS-specific */ |
| 652 | #define DT_HIOS 0x6fffffff /* End of OS-specific */ |
| 653 | #define DT_LOPROC 0x70000000 /* Start of processor-specific */ |
| 654 | #define DT_HIPROC 0x7fffffff /* End of processor-specific */ |
| 655 | #define DT_PROCNUM DT_MIPS_NUM /* Most used by any processor */ |
| 656 | |
| 657 | /* DT_* entries which fall between DT_VALRNGHI & DT_VALRNGLO use the |
| 658 | Dyn.d_un.d_val field of the Elf*_Dyn structure. This follows Sun's |
| 659 | approach. */ |
| 660 | #define DT_VALRNGLO 0x6ffffd00 |
| 661 | #define DT_POSFLAG_1 0x6ffffdfd /* Flags for DT_* entries, effecting |
| 662 | the following DT_* entry. */ |
| 663 | #define DT_SYMINSZ 0x6ffffdfe /* Size of syminfo table (in bytes) */ |
| 664 | #define DT_SYMINENT 0x6ffffdff /* Entry size of syminfo */ |
| 665 | #define DT_VALRNGHI 0x6ffffdff |
| 666 | |
| 667 | /* DT_* entries which fall between DT_ADDRRNGHI & DT_ADDRRNGLO use the |
| 668 | Dyn.d_un.d_ptr field of the Elf*_Dyn structure. |
| 669 | |
| 670 | If any adjustment is made to the ELF object after it has been |
| 671 | built these entries will need to be adjusted. */ |
| 672 | #define DT_ADDRRNGLO 0x6ffffe00 |
| 673 | #define DT_SYMINFO 0x6ffffeff /* syminfo table */ |
| 674 | #define DT_ADDRRNGHI 0x6ffffeff |
| 675 | |
| 676 | /* The versioning entry types. The next are defined as part of the |
| 677 | GNU extension. */ |
| 678 | #define DT_VERSYM 0x6ffffff0 |
| 679 | |
| 680 | /* These were chosen by Sun. */ |
| 681 | #define DT_FLAGS_1 0x6ffffffb /* State flags, see DF_1_* below. */ |
| 682 | #define DT_VERDEF 0x6ffffffc /* Address of version definition |
| 683 | table */ |
| 684 | #define DT_VERDEFNUM 0x6ffffffd /* Number of version definitions */ |
| 685 | #define DT_VERNEED 0x6ffffffe /* Address of table with needed |
| 686 | versions */ |
| 687 | #define DT_VERNEEDNUM 0x6fffffff /* Number of needed versions */ |
| 688 | #define DT_VERSIONTAGIDX(tag) (DT_VERNEEDNUM - (tag)) /* Reverse order! */ |
| 689 | #define DT_VERSIONTAGNUM 16 |
| 690 | |
| 691 | /* Sun added these machine-independent extensions in the "processor-specific" |
| 692 | range. Be compatible. */ |
| 693 | #define DT_AUXILIARY 0x7ffffffd /* Shared object to load before self */ |
| 694 | #define DT_FILTER 0x7fffffff /* Shared object to get values from */ |
| 695 | #define DT_EXTRATAGIDX(tag) ((Elf32_Word)-((Elf32_Sword) (tag) <<1>>1)-1) |
| 696 | #define DT_EXTRANUM 3 |
| 697 | |
| 698 | /* State flags selectable in the `d_un.d_val' element of the DT_FLAGS_1 |
| 699 | entry in the dynamic section. */ |
| 700 | #define DF_1_NOW 0x00000001 /* Set RTLD_NOW for this object. */ |
| 701 | #define DF_1_GLOBAL 0x00000002 /* Set RTLD_GLOBAL for this object. */ |
| 702 | #define DF_1_GROUP 0x00000004 /* Set RTLD_GROUP for this object. */ |
| 703 | #define DF_1_NODELETE 0x00000008 /* Set RTLD_NODELETE for this object.*/ |
| 704 | #define DF_1_LOADFLTR 0x00000010 /* Trigger filtee loading at runtime.*/ |
| 705 | #define DF_1_INITFIRST 0x00000020 /* Set RTLD_INITFIRST for this object*/ |
| 706 | #define DF_1_NOOPEN 0x00000040 /* Set RTLD_NOOPEN for this object. */ |
| 707 | |
| 708 | /* Version definition sections. */ |
| 709 | |
| 710 | typedef struct |
| 711 | { |
| 712 | Elf32_Half vd_version; /* Version revision */ |
| 713 | Elf32_Half vd_flags; /* Version information */ |
| 714 | Elf32_Half vd_ndx; /* Version Index */ |
| 715 | Elf32_Half vd_cnt; /* Number of associated aux entries */ |
| 716 | Elf32_Word vd_hash; /* Version name hash value */ |
| 717 | Elf32_Word vd_aux; /* Offset in bytes to verdaux array */ |
| 718 | Elf32_Word vd_next; /* Offset in bytes to next verdef |
| 719 | entry */ |
| 720 | } Elf32_Verdef; |
| 721 | |
| 722 | typedef struct |
| 723 | { |
| 724 | Elf64_Half vd_version; /* Version revision */ |
| 725 | Elf64_Half vd_flags; /* Version information */ |
| 726 | Elf64_Half vd_ndx; /* Version Index */ |
| 727 | Elf64_Half vd_cnt; /* Number of associated aux entries */ |
| 728 | Elf64_Word vd_hash; /* Version name hash value */ |
| 729 | Elf64_Word vd_aux; /* Offset in bytes to verdaux array */ |
| 730 | Elf64_Word vd_next; /* Offset in bytes to next verdef |
| 731 | entry */ |
| 732 | } Elf64_Verdef; |
| 733 | |
| 734 | |
| 735 | /* Legal values for vd_version (version revision). */ |
| 736 | #define VER_DEF_NONE 0 /* No version */ |
| 737 | #define VER_DEF_CURRENT 1 /* Current version */ |
| 738 | #define VER_DEF_NUM 2 /* Given version number */ |
| 739 | |
| 740 | /* Legal values for vd_flags (version information flags). */ |
| 741 | #define VER_FLG_BASE 0x1 /* Version definition of file itself */ |
| 742 | #define VER_FLG_WEAK 0x2 /* Weak version identifier */ |
| 743 | |
| 744 | /* Auxialiary version information. */ |
| 745 | |
| 746 | typedef struct |
| 747 | { |
| 748 | Elf32_Word vda_name; /* Version or dependency names */ |
| 749 | Elf32_Word vda_next; /* Offset in bytes to next verdaux |
| 750 | entry */ |
| 751 | } Elf32_Verdaux; |
| 752 | |
| 753 | typedef struct |
| 754 | { |
| 755 | Elf64_Word vda_name; /* Version or dependency names */ |
| 756 | Elf64_Word vda_next; /* Offset in bytes to next verdaux |
| 757 | entry */ |
| 758 | } Elf64_Verdaux; |
| 759 | |
| 760 | |
| 761 | /* Version dependency section. */ |
| 762 | |
| 763 | typedef struct |
| 764 | { |
| 765 | Elf32_Half vn_version; /* Version of structure */ |
| 766 | Elf32_Half vn_cnt; /* Number of associated aux entries */ |
| 767 | Elf32_Word vn_file; /* Offset of filename for this |
| 768 | dependency */ |
| 769 | Elf32_Word vn_aux; /* Offset in bytes to vernaux array */ |
| 770 | Elf32_Word vn_next; /* Offset in bytes to next verneed |
| 771 | entry */ |
| 772 | } Elf32_Verneed; |
| 773 | |
| 774 | typedef struct |
| 775 | { |
| 776 | Elf64_Half vn_version; /* Version of structure */ |
| 777 | Elf64_Half vn_cnt; /* Number of associated aux entries */ |
| 778 | Elf64_Word vn_file; /* Offset of filename for this |
| 779 | dependency */ |
| 780 | Elf64_Word vn_aux; /* Offset in bytes to vernaux array */ |
| 781 | Elf64_Word vn_next; /* Offset in bytes to next verneed |
| 782 | entry */ |
| 783 | } Elf64_Verneed; |
| 784 | |
| 785 | |
| 786 | /* Legal values for vn_version (version revision). */ |
| 787 | #define VER_NEED_NONE 0 /* No version */ |
| 788 | #define VER_NEED_CURRENT 1 /* Current version */ |
| 789 | #define VER_NEED_NUM 2 /* Given version number */ |
| 790 | |
| 791 | /* Auxiliary needed version information. */ |
| 792 | |
| 793 | typedef struct |
| 794 | { |
| 795 | Elf32_Word vna_hash; /* Hash value of dependency name */ |
| 796 | Elf32_Half vna_flags; /* Dependency specific information */ |
| 797 | Elf32_Half vna_other; /* Unused */ |
| 798 | Elf32_Word vna_name; /* Dependency name string offset */ |
| 799 | Elf32_Word vna_next; /* Offset in bytes to next vernaux |
| 800 | entry */ |
| 801 | } Elf32_Vernaux; |
| 802 | |
| 803 | typedef struct |
| 804 | { |
| 805 | Elf64_Word vna_hash; /* Hash value of dependency name */ |
| 806 | Elf64_Half vna_flags; /* Dependency specific information */ |
| 807 | Elf64_Half vna_other; /* Unused */ |
| 808 | Elf64_Word vna_name; /* Dependency name string offset */ |
| 809 | Elf64_Word vna_next; /* Offset in bytes to next vernaux |
| 810 | entry */ |
| 811 | } Elf64_Vernaux; |
| 812 | |
| 813 | |
| 814 | /* Legal values for vna_flags. */ |
| 815 | #define VER_FLG_WEAK 0x2 /* Weak version identifier */ |
| 816 | |
| 817 | |
| 818 | /* Auxiliary vector. */ |
| 819 | |
| 820 | /* This vector is normally only used by the program interpreter. The |
| 821 | usual definition in an ABI supplement uses the name auxv_t. The |
| 822 | vector is not usually defined in a standard <elf.h> file, but it |
| 823 | can't hurt. We rename it to avoid conflicts. The sizes of these |
| 824 | types are an arrangement between the exec server and the program |
| 825 | interpreter, so we don't fully specify them here. */ |
| 826 | |
| 827 | typedef struct |
| 828 | { |
| 829 | int a_type; /* Entry type */ |
| 830 | union |
| 831 | { |
| 832 | long int a_val; /* Integer value */ |
| 833 | void *a_ptr; /* Pointer value */ |
| 834 | void (*a_fcn) (void); /* Function pointer value */ |
| 835 | } a_un; |
| 836 | } Elf32_auxv_t; |
| 837 | |
| 838 | typedef struct |
| 839 | { |
| 840 | long int a_type; /* Entry type */ |
| 841 | union |
| 842 | { |
| 843 | long int a_val; /* Integer value */ |
| 844 | void *a_ptr; /* Pointer value */ |
| 845 | void (*a_fcn) (void); /* Function pointer value */ |
| 846 | } a_un; |
| 847 | } Elf64_auxv_t; |
| 848 | |
| 849 | /* Legal values for a_type (entry type). */ |
| 850 | |
| 851 | #define AT_NULL 0 /* End of vector */ |
| 852 | #define AT_IGNORE 1 /* Entry should be ignored */ |
| 853 | #define AT_EXECFD 2 /* File descriptor of program */ |
| 854 | #define AT_PHDR 3 /* Program headers for program */ |
| 855 | #define AT_PHENT 4 /* Size of program header entry */ |
| 856 | #define AT_PHNUM 5 /* Number of program headers */ |
| 857 | #define AT_PAGESZ 6 /* System page size */ |
| 858 | #define AT_BASE 7 /* Base address of interpreter */ |
| 859 | #define AT_FLAGS 8 /* Flags */ |
| 860 | #define AT_ENTRY 9 /* Entry point of program */ |
| 861 | #define AT_NOTELF 10 /* Program is not ELF */ |
| 862 | #define AT_UID 11 /* Real uid */ |
| 863 | #define AT_EUID 12 /* Effective uid */ |
| 864 | #define AT_GID 13 /* Real gid */ |
| 865 | #define AT_EGID 14 /* Effective gid */ |
| 866 | |
| 867 | /* Some more special a_type values describing the hardware. */ |
| 868 | #define AT_PLATFORM 15 /* String identifying platform. */ |
| 869 | #define AT_HWCAP 16 /* Machine dependent hints about |
| 870 | processor capabilities. */ |
| 871 | |
| 872 | /* This entry gives some information about the FPU initialization |
| 873 | performed by the kernel. */ |
| 874 | #define AT_FPUCW 17 /* Used FPU control word. */ |
| 875 | |
| 876 | |
| 877 | /* Note section contents. Each entry in the note section begins with |
| 878 | a header of a fixed form. */ |
| 879 | |
| 880 | typedef struct |
| 881 | { |
| 882 | Elf32_Word n_namesz; /* Length of the note's name. */ |
| 883 | Elf32_Word n_descsz; /* Length of the note's descriptor. */ |
| 884 | Elf32_Word n_type; /* Type of the note. */ |
| 885 | } Elf32_Nhdr; |
| 886 | |
| 887 | typedef struct |
| 888 | { |
| 889 | Elf64_Word n_namesz; /* Length of the note's name. */ |
| 890 | Elf64_Word n_descsz; /* Length of the note's descriptor. */ |
| 891 | Elf64_Word n_type; /* Type of the note. */ |
| 892 | } Elf64_Nhdr; |
| 893 | |
| 894 | /* Known names of notes. */ |
| 895 | |
| 896 | /* Solaris entries in the note section have this name. */ |
| 897 | #define ELF_NOTE_SOLARIS "SUNW Solaris" |
| 898 | |
| 899 | /* Note entries for GNU systems have this name. */ |
| 900 | #define ELF_NOTE_GNU "GNU" |
| 901 | |
| 902 | |
| 903 | /* Defined types of notes for Solaris. */ |
| 904 | |
| 905 | /* Value of descriptor (one word) is desired pagesize for the binary. */ |
| 906 | #define ELF_NOTE_PAGESIZE_HINT 1 |
| 907 | |
| 908 | |
| 909 | /* Defined note types for GNU systems. */ |
| 910 | |
| 911 | /* ABI information. The descriptor consists of words: |
| 912 | word 0: OS descriptor |
| 913 | word 1: major version of the ABI |
| 914 | word 2: minor version of the ABI |
| 915 | word 3: subminor version of the ABI |
| 916 | */ |
| 917 | #define ELF_NOTE_ABI 1 |
| 918 | |
| 919 | /* Known OSes. These value can appear in word 0 of an ELF_NOTE_ABI |
| 920 | note section entry. */ |
| 921 | #define ELF_NOTE_OS_LINUX 0 |
| 922 | #define ELF_NOTE_OS_GNU 1 |
| 923 | #define ELF_NOTE_OS_SOLARIS2 2 |
| 924 | |
| 925 | |
| 926 | /* Motorola 68k specific definitions. */ |
| 927 | |
| 928 | /* m68k relocs. */ |
| 929 | |
| 930 | #define R_68K_NONE 0 /* No reloc */ |
| 931 | #define R_68K_32 1 /* Direct 32 bit */ |
| 932 | #define R_68K_16 2 /* Direct 16 bit */ |
| 933 | #define R_68K_8 3 /* Direct 8 bit */ |
| 934 | #define R_68K_PC32 4 /* PC relative 32 bit */ |
| 935 | #define R_68K_PC16 5 /* PC relative 16 bit */ |
| 936 | #define R_68K_PC8 6 /* PC relative 8 bit */ |
| 937 | #define R_68K_GOT32 7 /* 32 bit PC relative GOT entry */ |
| 938 | #define R_68K_GOT16 8 /* 16 bit PC relative GOT entry */ |
| 939 | #define R_68K_GOT8 9 /* 8 bit PC relative GOT entry */ |
| 940 | #define R_68K_GOT32O 10 /* 32 bit GOT offset */ |
| 941 | #define R_68K_GOT16O 11 /* 16 bit GOT offset */ |
| 942 | #define R_68K_GOT8O 12 /* 8 bit GOT offset */ |
| 943 | #define R_68K_PLT32 13 /* 32 bit PC relative PLT address */ |
| 944 | #define R_68K_PLT16 14 /* 16 bit PC relative PLT address */ |
| 945 | #define R_68K_PLT8 15 /* 8 bit PC relative PLT address */ |
| 946 | #define R_68K_PLT32O 16 /* 32 bit PLT offset */ |
| 947 | #define R_68K_PLT16O 17 /* 16 bit PLT offset */ |
| 948 | #define R_68K_PLT8O 18 /* 8 bit PLT offset */ |
| 949 | #define R_68K_COPY 19 /* Copy symbol at runtime */ |
| 950 | #define R_68K_GLOB_DAT 20 /* Create GOT entry */ |
| 951 | #define R_68K_JMP_SLOT 21 /* Create PLT entry */ |
| 952 | #define R_68K_RELATIVE 22 /* Adjust by program base */ |
| 953 | /* Keep this the last entry. */ |
| 954 | #define R_68K_NUM 23 |
| 955 | |
| 956 | /* Intel 80386 specific definitions. */ |
| 957 | |
| 958 | /* i386 relocs. */ |
| 959 | |
| 960 | #define R_386_NONE 0 /* No reloc */ |
| 961 | #define R_386_32 1 /* Direct 32 bit */ |
| 962 | #define R_386_PC32 2 /* PC relative 32 bit */ |
| 963 | #define R_386_GOT32 3 /* 32 bit GOT entry */ |
| 964 | #define R_386_PLT32 4 /* 32 bit PLT address */ |
| 965 | #define R_386_COPY 5 /* Copy symbol at runtime */ |
| 966 | #define R_386_GLOB_DAT 6 /* Create GOT entry */ |
| 967 | #define R_386_JMP_SLOT 7 /* Create PLT entry */ |
| 968 | #define R_386_RELATIVE 8 /* Adjust by program base */ |
| 969 | #define R_386_GOTOFF 9 /* 32 bit offset to GOT */ |
| 970 | #define R_386_GOTPC 10 /* 32 bit PC relative offset to GOT */ |
| 971 | /* Keep this the last entry. */ |
| 972 | #define R_386_NUM 11 |
| 973 | |
| 974 | /* SUN SPARC specific definitions. */ |
| 975 | |
| 976 | /* Values for Elf64_Ehdr.e_flags. */ |
| 977 | |
| 978 | #define EF_SPARCV9_MM 3 |
| 979 | #define EF_SPARCV9_TSO 0 |
| 980 | #define EF_SPARCV9_PSO 1 |
| 981 | #define EF_SPARCV9_RMO 2 |
| 982 | #define EF_SPARC_EXT_MASK 0xFFFF00 |
| 983 | #define EF_SPARC_SUN_US1 0x000200 |
| 984 | #define EF_SPARC_HAL_R1 0x000400 |
| 985 | |
| 986 | /* SPARC relocs. */ |
| 987 | |
| 988 | #define R_SPARC_NONE 0 /* No reloc */ |
| 989 | #define R_SPARC_8 1 /* Direct 8 bit */ |
| 990 | #define R_SPARC_16 2 /* Direct 16 bit */ |
| 991 | #define R_SPARC_32 3 /* Direct 32 bit */ |
| 992 | #define R_SPARC_DISP8 4 /* PC relative 8 bit */ |
| 993 | #define R_SPARC_DISP16 5 /* PC relative 16 bit */ |
| 994 | #define R_SPARC_DISP32 6 /* PC relative 32 bit */ |
| 995 | #define R_SPARC_WDISP30 7 /* PC relative 30 bit shifted */ |
| 996 | #define R_SPARC_WDISP22 8 /* PC relative 22 bit shifted */ |
| 997 | #define R_SPARC_HI22 9 /* High 22 bit */ |
| 998 | #define R_SPARC_22 10 /* Direct 22 bit */ |
| 999 | #define R_SPARC_13 11 /* Direct 13 bit */ |
| 1000 | #define R_SPARC_LO10 12 /* Truncated 10 bit */ |
| 1001 | #define R_SPARC_GOT10 13 /* Truncated 10 bit GOT entry */ |
| 1002 | #define R_SPARC_GOT13 14 /* 13 bit GOT entry */ |
| 1003 | #define R_SPARC_GOT22 15 /* 22 bit GOT entry shifted */ |
| 1004 | #define R_SPARC_PC10 16 /* PC relative 10 bit truncated */ |
| 1005 | #define R_SPARC_PC22 17 /* PC relative 22 bit shifted */ |
| 1006 | #define R_SPARC_WPLT30 18 /* 30 bit PC relative PLT address */ |
| 1007 | #define R_SPARC_COPY 19 /* Copy symbol at runtime */ |
| 1008 | #define R_SPARC_GLOB_DAT 20 /* Create GOT entry */ |
| 1009 | #define R_SPARC_JMP_SLOT 21 /* Create PLT entry */ |
| 1010 | #define R_SPARC_RELATIVE 22 /* Adjust by program base */ |
| 1011 | #define R_SPARC_UA32 23 /* Direct 32 bit unaligned */ |
| 1012 | |
| 1013 | /* Additional Sparc64 relocs. */ |
| 1014 | |
| 1015 | #define R_SPARC_PLT32 24 /* Direct 32 bit ref to PLT entry */ |
| 1016 | #define R_SPARC_HIPLT22 25 /* High 22 bit PLT entry */ |
| 1017 | #define R_SPARC_LOPLT10 26 /* Truncated 10 bit PLT entry */ |
| 1018 | #define R_SPARC_PCPLT32 27 /* PC rel 32 bit ref to PLT entry */ |
| 1019 | #define R_SPARC_PCPLT22 28 /* PC rel high 22 bit PLT entry */ |
| 1020 | #define R_SPARC_PCPLT10 29 /* PC rel trunc 10 bit PLT entry */ |
| 1021 | #define R_SPARC_10 30 /* Direct 10 bit */ |
| 1022 | #define R_SPARC_11 31 /* Direct 11 bit */ |
| 1023 | #define R_SPARC_64 32 /* Direct 64 bit */ |
| 1024 | #define R_SPARC_OLO10 33 /* ?? */ |
| 1025 | #define R_SPARC_HH22 34 /* Top 22 bits of direct 64 bit */ |
| 1026 | #define R_SPARC_HM10 35 /* High middle 10 bits of ... */ |
| 1027 | #define R_SPARC_LM22 36 /* Low middle 22 bits of ... */ |
| 1028 | #define R_SPARC_PC_HH22 37 /* Top 22 bits of pc rel 64 bit */ |
| 1029 | #define R_SPARC_PC_HM10 38 /* High middle 10 bit of ... */ |
| 1030 | #define R_SPARC_PC_LM22 39 /* Low miggle 22 bits of ... */ |
| 1031 | #define R_SPARC_WDISP16 40 /* PC relative 16 bit shifted */ |
| 1032 | #define R_SPARC_WDISP19 41 /* PC relative 19 bit shifted */ |
| 1033 | #define R_SPARC_7 43 /* Direct 7 bit */ |
| 1034 | #define R_SPARC_5 44 /* Direct 5 bit */ |
| 1035 | #define R_SPARC_6 45 /* Direct 6 bit */ |
| 1036 | #define R_SPARC_DISP64 46 /* PC relative 64 bit */ |
| 1037 | #define R_SPARC_PLT64 47 /* Direct 64 bit ref to PLT entry */ |
| 1038 | #define R_SPARC_HIX22 48 /* High 22 bit complemented */ |
| 1039 | #define R_SPARC_LOX10 49 /* Truncated 11 bit complemented */ |
| 1040 | #define R_SPARC_H44 50 /* Direct high 12 of 44 bit */ |
| 1041 | #define R_SPARC_M44 51 /* Direct mid 22 of 44 bit */ |
| 1042 | #define R_SPARC_L44 52 /* Direct low 10 of 44 bit */ |
| 1043 | #define R_SPARC_REGISTER 53 /* Global register usage */ |
| 1044 | #define R_SPARC_UA64 54 /* Direct 64 bit unaligned */ |
| 1045 | #define R_SPARC_UA16 55 /* Direct 16 bit unaligned */ |
| 1046 | /* Keep this the last entry. */ |
| 1047 | #define R_SPARC_NUM 56 |
| 1048 | |
| 1049 | /* For Sparc64, legal values for d_tag of Elf64_Dyn. */ |
| 1050 | |
| 1051 | #define DT_SPARC_REGISTER 0x70000001 |
| 1052 | #define DT_SPARC_NUM 2 |
| 1053 | |
| 1054 | /* Bits present in AT_HWCAP, primarily for Sparc32. */ |
| 1055 | |
| 1056 | #define HWCAP_SPARC_FLUSH 1 /* The cpu supports flush insn. */ |
| 1057 | #define HWCAP_SPARC_STBAR 2 |
| 1058 | #define HWCAP_SPARC_SWAP 4 |
| 1059 | #define HWCAP_SPARC_MULDIV 8 |
| 1060 | #define HWCAP_SPARC_V9 16 /* The cpu is v9, so v8plus is ok. */ |
| 1061 | |
| 1062 | /* MIPS R3000 specific definitions. */ |
| 1063 | |
| 1064 | /* Legal values for e_flags field of Elf32_Ehdr. */ |
| 1065 | |
| 1066 | #define EF_MIPS_NOREORDER 1 /* A .noreorder directive was used */ |
| 1067 | #define EF_MIPS_PIC 2 /* Contains PIC code */ |
| 1068 | #define EF_MIPS_CPIC 4 /* Uses PIC calling sequence */ |
| 1069 | #define EF_MIPS_XGOT 8 |
| 1070 | #define EF_MIPS_64BIT_WHIRL 16 |
| 1071 | #define EF_MIPS_ABI2 32 |
| 1072 | #define EF_MIPS_ABI_ON32 64 |
| 1073 | #define EF_MIPS_ARCH 0xf0000000 /* MIPS architecture level */ |
| 1074 | |
| 1075 | /* Legal values for MIPS architecture level. */ |
| 1076 | |
| 1077 | #define EF_MIPS_ARCH_1 0x00000000 /* -mips1 code. */ |
| 1078 | #define EF_MIPS_ARCH_2 0x10000000 /* -mips2 code. */ |
| 1079 | #define EF_MIPS_ARCH_3 0x20000000 /* -mips3 code. */ |
| 1080 | #define EF_MIPS_ARCH_4 0x30000000 /* -mips4 code. */ |
| 1081 | #define EF_MIPS_ARCH_5 0x40000000 /* -mips5 code. */ |
| 1082 | |
| 1083 | /* The following are non-official names and should not be used. */ |
| 1084 | |
| 1085 | #define E_MIPS_ARCH_1 0x00000000 /* -mips1 code. */ |
| 1086 | #define E_MIPS_ARCH_2 0x10000000 /* -mips2 code. */ |
| 1087 | #define E_MIPS_ARCH_3 0x20000000 /* -mips3 code. */ |
| 1088 | #define E_MIPS_ARCH_4 0x30000000 /* -mips4 code. */ |
| 1089 | #define E_MIPS_ARCH_5 0x40000000 /* -mips5 code. */ |
| 1090 | |
| 1091 | /* Special section indices. */ |
| 1092 | |
| 1093 | #define SHN_MIPS_ACOMMON 0xff00 /* Allocated common symbols */ |
| 1094 | #define SHN_MIPS_TEXT 0xff01 /* Allocated test symbols. */ |
| 1095 | #define SHN_MIPS_DATA 0xff02 /* Allocated data symbols. */ |
| 1096 | #define SHN_MIPS_SCOMMON 0xff03 /* Small common symbols */ |
| 1097 | #define SHN_MIPS_SUNDEFINED 0xff04 /* Small undefined symbols */ |
| 1098 | |
| 1099 | /* Legal values for sh_type field of Elf32_Shdr. */ |
| 1100 | |
| 1101 | #define SHT_MIPS_LIBLIST 0x70000000 /* Shared objects used in link */ |
| 1102 | #define SHT_MIPS_MSYM 0x70000001 |
| 1103 | #define SHT_MIPS_CONFLICT 0x70000002 /* Conflicting symbols */ |
| 1104 | #define SHT_MIPS_GPTAB 0x70000003 /* Global data area sizes */ |
| 1105 | #define SHT_MIPS_UCODE 0x70000004 /* Reserved for SGI/MIPS compilers */ |
| 1106 | #define SHT_MIPS_DEBUG 0x70000005 /* MIPS ECOFF debugging information*/ |
| 1107 | #define SHT_MIPS_REGINFO 0x70000006 /* Register usage information */ |
| 1108 | #define SHT_MIPS_PACKAGE 0x70000007 |
| 1109 | #define SHT_MIPS_PACKSYM 0x70000008 |
| 1110 | #define SHT_MIPS_RELD 0x70000009 |
| 1111 | #define SHT_MIPS_IFACE 0x7000000b |
| 1112 | #define SHT_MIPS_CONTENT 0x7000000c |
| 1113 | #define SHT_MIPS_OPTIONS 0x7000000d /* Miscellaneous options. */ |
| 1114 | #define SHT_MIPS_SHDR 0x70000010 |
| 1115 | #define SHT_MIPS_FDESC 0x70000011 |
| 1116 | #define SHT_MIPS_EXTSYM 0x70000012 |
| 1117 | #define SHT_MIPS_DENSE 0x70000013 |
| 1118 | #define SHT_MIPS_PDESC 0x70000014 |
| 1119 | #define SHT_MIPS_LOCSYM 0x70000015 |
| 1120 | #define SHT_MIPS_AUXSYM 0x70000016 |
| 1121 | #define SHT_MIPS_OPTSYM 0x70000017 |
| 1122 | #define SHT_MIPS_LOCSTR 0x70000018 |
| 1123 | #define SHT_MIPS_LINE 0x70000019 |
| 1124 | #define SHT_MIPS_RFDESC 0x7000001a |
| 1125 | #define SHT_MIPS_DELTASYM 0x7000001b |
| 1126 | #define SHT_MIPS_DELTAINST 0x7000001c |
| 1127 | #define SHT_MIPS_DELTACLASS 0x7000001d |
| 1128 | #define SHT_MIPS_DWARF 0x7000001e /* DWARF debugging information. */ |
| 1129 | #define SHT_MIPS_DELTADECL 0x7000001f |
| 1130 | #define SHT_MIPS_SYMBOL_LIB 0x70000020 |
| 1131 | #define SHT_MIPS_EVENTS 0x70000021 /* Event section. */ |
| 1132 | #define SHT_MIPS_TRANSLATE 0x70000022 |
| 1133 | #define SHT_MIPS_PIXIE 0x70000023 |
| 1134 | #define SHT_MIPS_XLATE 0x70000024 |
| 1135 | #define SHT_MIPS_XLATE_DEBUG 0x70000025 |
| 1136 | #define SHT_MIPS_WHIRL 0x70000026 |
| 1137 | #define SHT_MIPS_EH_REGION 0x70000027 |
| 1138 | #define SHT_MIPS_XLATE_OLD 0x70000028 |
| 1139 | #define SHT_MIPS_PDR_EXCEPTION 0x70000029 |
| 1140 | |
| 1141 | /* Legal values for sh_flags field of Elf32_Shdr. */ |
| 1142 | |
| 1143 | #define SHF_MIPS_GPREL 0x10000000 /* Must be part of global data area */ |
| 1144 | #define SHF_MIPS_MERGE 0x20000000 |
| 1145 | #define SHF_MIPS_ADDR 0x40000000 |
| 1146 | #define SHF_MIPS_STRINGS 0x80000000 |
| 1147 | #define SHF_MIPS_NOSTRIP 0x08000000 |
| 1148 | #define SHF_MIPS_LOCAL 0x04000000 |
| 1149 | #define SHF_MIPS_NAMES 0x02000000 |
| 1150 | #define SHF_MIPS_NODUPE 0x01000000 |
| 1151 | |
| 1152 | |
| 1153 | /* Symbol tables. */ |
| 1154 | |
| 1155 | /* MIPS specific values for `st_other'. */ |
| 1156 | #define STO_MIPS_DEFAULT 0x0 |
| 1157 | #define STO_MIPS_INTERNAL 0x1 |
| 1158 | #define STO_MIPS_HIDDEN 0x2 |
| 1159 | #define STO_MIPS_PROTECTED 0x3 |
| 1160 | #define STO_MIPS_SC_ALIGN_UNUSED 0xff |
| 1161 | |
| 1162 | /* MIPS specific values for `st_info'. */ |
| 1163 | #define STB_MIPS_SPLIT_COMMON 13 |
| 1164 | |
| 1165 | /* Entries found in sections of type SHT_MIPS_GPTAB. */ |
| 1166 | |
| 1167 | typedef union |
| 1168 | { |
| 1169 | struct |
| 1170 | { |
| 1171 | Elf32_Word gt_current_g_value; /* -G value used for compilation */ |
| 1172 | Elf32_Word gt_unused; /* Not used */ |
| 1173 | } gt_header; /* First entry in section */ |
| 1174 | struct |
| 1175 | { |
| 1176 | Elf32_Word gt_g_value; /* If this value were used for -G */ |
| 1177 | Elf32_Word gt_bytes; /* This many bytes would be used */ |
| 1178 | } gt_entry; /* Subsequent entries in section */ |
| 1179 | } Elf32_gptab; |
| 1180 | |
| 1181 | /* Entry found in sections of type SHT_MIPS_REGINFO. */ |
| 1182 | |
| 1183 | typedef struct |
| 1184 | { |
| 1185 | Elf32_Word ri_gprmask; /* General registers used */ |
| 1186 | Elf32_Word ri_cprmask[4]; /* Coprocessor registers used */ |
| 1187 | Elf32_Sword ri_gp_value; /* $gp register value */ |
| 1188 | } Elf32_RegInfo; |
| 1189 | |
| 1190 | /* Entries found in sections of type SHT_MIPS_OPTIONS. */ |
| 1191 | |
| 1192 | typedef struct |
| 1193 | { |
| 1194 | unsigned char kind; /* Determines interpretation of the |
| 1195 | variable part of descriptor. */ |
| 1196 | unsigned char size; /* Size of descriptor, including header. */ |
| 1197 | Elf32_Section section; /* Section header index of section affected, |
| 1198 | 0 for global options. */ |
| 1199 | Elf32_Word info; /* Kind-specific information. */ |
| 1200 | } Elf_Options; |
| 1201 | |
| 1202 | /* Values for `kind' field in Elf_Options. */ |
| 1203 | |
| 1204 | #define ODK_NULL 0 /* Undefined. */ |
| 1205 | #define ODK_REGINFO 1 /* Register usage information. */ |
| 1206 | #define ODK_EXCEPTIONS 2 /* Exception processing options. */ |
| 1207 | #define ODK_PAD 3 /* Section padding options. */ |
| 1208 | #define ODK_HWPATCH 4 /* Hardware workarounds performed */ |
| 1209 | #define ODK_FILL 5 /* record the fill value used by the linker. */ |
| 1210 | #define ODK_TAGS 6 /* reserve space for desktop tools to write. */ |
| 1211 | #define ODK_HWAND 7 /* HW workarounds. 'AND' bits when merging. */ |
| 1212 | #define ODK_HWOR 8 /* HW workarounds. 'OR' bits when merging. */ |
| 1213 | |
| 1214 | /* Values for `info' in Elf_Options for ODK_EXCEPTIONS entries. */ |
| 1215 | |
| 1216 | #define OEX_FPU_MIN 0x1f /* FPE's which MUST be enabled. */ |
| 1217 | #define OEX_FPU_MAX 0x1f00 /* FPE's which MAY be enabled. */ |
| 1218 | #define OEX_PAGE0 0x10000 /* page zero must be mapped. */ |
| 1219 | #define OEX_SMM 0x20000 /* Force sequential memory mode? */ |
| 1220 | #define OEX_FPDBUG 0x40000 /* Force floating point debug mode? */ |
| 1221 | #define OEX_PRECISEFP OEX_FPDBUG |
| 1222 | #define OEX_DISMISS 0x80000 /* Dismiss invalid address faults? */ |
| 1223 | |
| 1224 | #define OEX_FPU_INVAL 0x10 |
| 1225 | #define OEX_FPU_DIV0 0x08 |
| 1226 | #define OEX_FPU_OFLO 0x04 |
| 1227 | #define OEX_FPU_UFLO 0x02 |
| 1228 | #define OEX_FPU_INEX 0x01 |
| 1229 | |
| 1230 | /* Masks for `info' in Elf_Options for an ODK_HWPATCH entry. */ |
| 1231 | |
| 1232 | #define OHW_R4KEOP 0x1 /* R4000 end-of-page patch. */ |
| 1233 | #define OHW_R8KPFETCH 0x2 /* may need R8000 prefetch patch. */ |
| 1234 | #define OHW_R5KEOP 0x4 /* R5000 end-of-page patch. */ |
| 1235 | #define OHW_R5KCVTL 0x8 /* R5000 cvt.[ds].l bug. clean=1. */ |
| 1236 | |
| 1237 | #define OPAD_PREFIX 0x1 |
| 1238 | #define OPAD_POSTFIX 0x2 |
| 1239 | #define OPAD_SYMBOL 0x4 |
| 1240 | |
| 1241 | /* Entry found in `.options' section. */ |
| 1242 | |
| 1243 | typedef struct |
| 1244 | { |
| 1245 | Elf32_Word hwp_flags1; /* Extra flags. */ |
| 1246 | Elf32_Word hwp_flags2; /* Extra flags. */ |
| 1247 | } Elf_Options_Hw; |
| 1248 | |
| 1249 | /* Masks for `info' in ElfOptions for ODK_HWAND and ODK_HWOR entries. */ |
| 1250 | |
| 1251 | #define OHWA0_R4KEOP_CHECKED 0x00000001 |
| 1252 | #define OHWA1_R4KEOP_CLEAN 0x00000002 |
| 1253 | |
| 1254 | /* MIPS relocs. */ |
| 1255 | |
| 1256 | #define R_MIPS_NONE 0 /* No reloc */ |
| 1257 | #define R_MIPS_16 1 /* Direct 16 bit */ |
| 1258 | #define R_MIPS_32 2 /* Direct 32 bit */ |
| 1259 | #define R_MIPS_REL32 3 /* PC relative 32 bit */ |
| 1260 | #define R_MIPS_26 4 /* Direct 26 bit shifted */ |
| 1261 | #define R_MIPS_HI16 5 /* High 16 bit */ |
| 1262 | #define R_MIPS_LO16 6 /* Low 16 bit */ |
| 1263 | #define R_MIPS_GPREL16 7 /* GP relative 16 bit */ |
| 1264 | #define R_MIPS_LITERAL 8 /* 16 bit literal entry */ |
| 1265 | #define R_MIPS_GOT16 9 /* 16 bit GOT entry */ |
| 1266 | #define R_MIPS_PC16 10 /* PC relative 16 bit */ |
| 1267 | #define R_MIPS_CALL16 11 /* 16 bit GOT entry for function */ |
| 1268 | #define R_MIPS_GPREL32 12 /* GP relative 32 bit */ |
| 1269 | |
| 1270 | #define R_MIPS_SHIFT5 16 |
| 1271 | #define R_MIPS_SHIFT6 17 |
| 1272 | #define R_MIPS_64 18 |
| 1273 | #define R_MIPS_GOT_DISP 19 |
| 1274 | #define R_MIPS_GOT_PAGE 20 |
| 1275 | #define R_MIPS_GOT_OFST 21 |
| 1276 | #define R_MIPS_GOT_HI16 22 |
| 1277 | #define R_MIPS_GOT_LO16 23 |
| 1278 | #define R_MIPS_SUB 24 |
| 1279 | #define R_MIPS_INSERT_A 25 |
| 1280 | #define R_MIPS_INSERT_B 26 |
| 1281 | #define R_MIPS_DELETE 27 |
| 1282 | #define R_MIPS_HIGHER 28 |
| 1283 | #define R_MIPS_HIGHEST 29 |
| 1284 | #define R_MIPS_CALL_HI16 30 |
| 1285 | #define R_MIPS_CALL_LO16 31 |
| 1286 | #define R_MIPS_SCN_DISP 32 |
| 1287 | #define R_MIPS_REL16 33 |
| 1288 | #define R_MIPS_ADD_IMMEDIATE 34 |
| 1289 | #define R_MIPS_PJUMP 35 |
| 1290 | #define R_MIPS_RELGOT 36 |
| 1291 | #define R_MIPS_JALR 37 |
| 1292 | /* Keep this the last entry. */ |
| 1293 | #define R_MIPS_NUM 38 |
| 1294 | |
| 1295 | /* Legal values for p_type field of Elf32_Phdr. */ |
| 1296 | |
| 1297 | #define PT_MIPS_REGINFO 0x70000000 /* Register usage information */ |
| 1298 | #define PT_MIPS_RTPROC 0x70000001 /* Runtime procedure table. */ |
| 1299 | #define PT_MIPS_OPTIONS 0x70000002 |
| 1300 | |
| 1301 | /* Special program header types. */ |
| 1302 | |
| 1303 | #define PF_MIPS_LOCAL 0x10000000 |
| 1304 | |
| 1305 | /* Legal values for d_tag field of Elf32_Dyn. */ |
| 1306 | |
| 1307 | #define DT_MIPS_RLD_VERSION 0x70000001 /* Runtime linker interface version */ |
| 1308 | #define DT_MIPS_TIME_STAMP 0x70000002 /* Timestamp */ |
| 1309 | #define DT_MIPS_ICHECKSUM 0x70000003 /* Checksum */ |
| 1310 | #define DT_MIPS_IVERSION 0x70000004 /* Version string (string tbl index) */ |
| 1311 | #define DT_MIPS_FLAGS 0x70000005 /* Flags */ |
| 1312 | #define DT_MIPS_BASE_ADDRESS 0x70000006 /* Base address */ |
| 1313 | #define DT_MIPS_MSYM 0x70000007 |
| 1314 | #define DT_MIPS_CONFLICT 0x70000008 /* Address of CONFLICT section */ |
| 1315 | #define DT_MIPS_LIBLIST 0x70000009 /* Address of LIBLIST section */ |
| 1316 | #define DT_MIPS_LOCAL_GOTNO 0x7000000a /* Number of local GOT entries */ |
| 1317 | #define DT_MIPS_CONFLICTNO 0x7000000b /* Number of CONFLICT entries */ |
| 1318 | #define DT_MIPS_LIBLISTNO 0x70000010 /* Number of LIBLIST entries */ |
| 1319 | #define DT_MIPS_SYMTABNO 0x70000011 /* Number of DYNSYM entries */ |
| 1320 | #define DT_MIPS_UNREFEXTNO 0x70000012 /* First external DYNSYM */ |
| 1321 | #define DT_MIPS_GOTSYM 0x70000013 /* First GOT entry in DYNSYM */ |
| 1322 | #define DT_MIPS_HIPAGENO 0x70000014 /* Number of GOT page table entries */ |
| 1323 | #define DT_MIPS_RLD_MAP 0x70000016 /* Address of run time loader map. */ |
| 1324 | #define DT_MIPS_DELTA_CLASS 0x70000017 /* Delta C++ class definition. */ |
| 1325 | #define DT_MIPS_DELTA_CLASS_NO 0x70000018 /* Number of entries in |
| 1326 | DT_MIPS_DELTA_CLASS. */ |
| 1327 | #define DT_MIPS_DELTA_INSTANCE 0x70000019 /* Delta C++ class instances. */ |
| 1328 | #define DT_MIPS_DELTA_INSTANCE_NO 0x7000001a /* Number of entries in |
| 1329 | DT_MIPS_DELTA_INSTANCE. */ |
| 1330 | #define DT_MIPS_DELTA_RELOC 0x7000001b /* Delta relocations. */ |
| 1331 | #define DT_MIPS_DELTA_RELOC_NO 0x7000001c /* Number of entries in |
| 1332 | DT_MIPS_DELTA_RELOC. */ |
| 1333 | #define DT_MIPS_DELTA_SYM 0x7000001d /* Delta symbols that Delta |
| 1334 | relocations refer to. */ |
| 1335 | #define DT_MIPS_DELTA_SYM_NO 0x7000001e /* Number of entries in |
| 1336 | DT_MIPS_DELTA_SYM. */ |
| 1337 | #define DT_MIPS_DELTA_CLASSSYM 0x70000020 /* Delta symbols that hold the |
| 1338 | class declaration. */ |
| 1339 | #define DT_MIPS_DELTA_CLASSSYM_NO 0x70000021 /* Number of entries in |
| 1340 | DT_MIPS_DELTA_CLASSSYM. */ |
| 1341 | #define DT_MIPS_CXX_FLAGS 0x70000022 /* Flags indicating for C++ flavor. */ |
| 1342 | #define DT_MIPS_PIXIE_INIT 0x70000023 |
| 1343 | #define DT_MIPS_SYMBOL_LIB 0x70000024 |
| 1344 | #define DT_MIPS_LOCALPAGE_GOTIDX 0x70000025 |
| 1345 | #define DT_MIPS_LOCAL_GOTIDX 0x70000026 |
| 1346 | #define DT_MIPS_HIDDEN_GOTIDX 0x70000027 |
| 1347 | #define DT_MIPS_PROTECTED_GOTIDX 0x70000028 |
| 1348 | #define DT_MIPS_OPTIONS 0x70000029 /* Address of .options. */ |
| 1349 | #define DT_MIPS_INTERFACE 0x7000002a /* Address of .interface. */ |
| 1350 | #define DT_MIPS_DYNSTR_ALIGN 0x7000002b |
| 1351 | #define DT_MIPS_INTERFACE_SIZE 0x7000002c /* Size of the .interface section. */ |
| 1352 | #define DT_MIPS_RLD_TEXT_RESOLVE_ADDR 0x7000002d /* Address of rld_text_rsolve |
| 1353 | function stored in GOT. */ |
| 1354 | #define DT_MIPS_PERF_SUFFIX 0x7000002e /* Default suffix of dso to be added |
| 1355 | by rld on dlopen() calls. */ |
| 1356 | #define DT_MIPS_COMPACT_SIZE 0x7000002f /* (O32)Size of compact rel section. */ |
| 1357 | #define DT_MIPS_GP_VALUE 0x70000030 /* GP value for aux GOTs. */ |
| 1358 | #define DT_MIPS_AUX_DYNAMIC 0x70000031 /* Address of aux .dynamic. */ |
| 1359 | #define DT_MIPS_NUM 0x32 |
| 1360 | |
| 1361 | /* Legal values for DT_MIPS_FLAGS Elf32_Dyn entry. */ |
| 1362 | |
| 1363 | #define RHF_NONE 0 /* No flags */ |
| 1364 | #define RHF_QUICKSTART (1 << 0) /* Use quickstart */ |
| 1365 | #define RHF_NOTPOT (1 << 1) /* Hash size not power of 2 */ |
| 1366 | #define RHF_NO_LIBRARY_REPLACEMENT (1 << 2) /* Ignore LD_LIBRARY_PATH */ |
| 1367 | #define RHF_NO_MOVE (1 << 3) |
| 1368 | #define RHF_SGI_ONLY (1 << 4) |
| 1369 | #define RHF_GUARANTEE_INIT (1 << 5) |
| 1370 | #define RHF_DELTA_C_PLUS_PLUS (1 << 6) |
| 1371 | #define RHF_GUARANTEE_START_INIT (1 << 7) |
| 1372 | #define RHF_PIXIE (1 << 8) |
| 1373 | #define RHF_DEFAULT_DELAY_LOAD (1 << 9) |
| 1374 | #define RHF_REQUICKSTART (1 << 10) |
| 1375 | #define RHF_REQUICKSTARTED (1 << 11) |
| 1376 | #define RHF_CORD (1 << 12) |
| 1377 | #define RHF_NO_UNRES_UNDEF (1 << 13) |
| 1378 | #define RHF_RLD_ORDER_SAFE (1 << 14) |
| 1379 | |
| 1380 | /* Entries found in sections of type SHT_MIPS_LIBLIST. */ |
| 1381 | |
| 1382 | typedef struct |
| 1383 | { |
| 1384 | Elf32_Word l_name; /* Name (string table index) */ |
| 1385 | Elf32_Word l_time_stamp; /* Timestamp */ |
| 1386 | Elf32_Word l_checksum; /* Checksum */ |
| 1387 | Elf32_Word l_version; /* Interface version */ |
| 1388 | Elf32_Word l_flags; /* Flags */ |
| 1389 | } Elf32_Lib; |
| 1390 | |
| 1391 | typedef struct |
| 1392 | { |
| 1393 | Elf64_Word l_name; /* Name (string table index) */ |
| 1394 | Elf64_Word l_time_stamp; /* Timestamp */ |
| 1395 | Elf64_Word l_checksum; /* Checksum */ |
| 1396 | Elf64_Word l_version; /* Interface version */ |
| 1397 | Elf64_Word l_flags; /* Flags */ |
| 1398 | } Elf64_Lib; |
| 1399 | |
| 1400 | |
| 1401 | /* Legal values for l_flags. */ |
| 1402 | |
| 1403 | #define LL_NONE 0 |
| 1404 | #define LL_EXACT_MATCH (1 << 0) /* Require exact match */ |
| 1405 | #define LL_IGNORE_INT_VER (1 << 1) /* Ignore interface version */ |
| 1406 | #define LL_REQUIRE_MINOR (1 << 2) |
| 1407 | #define LL_EXPORTS (1 << 3) |
| 1408 | #define LL_DELAY_LOAD (1 << 4) |
| 1409 | #define LL_DELTA (1 << 5) |
| 1410 | |
| 1411 | /* Entries found in sections of type SHT_MIPS_CONFLICT. */ |
| 1412 | |
| 1413 | typedef Elf32_Addr Elf32_Conflict; |
| 1414 | |
| 1415 | |
| 1416 | /* HPPA specific definitions. */ |
| 1417 | |
| 1418 | /* Legal values for e_flags field of Elf32_Ehdr. */ |
| 1419 | |
| 1420 | #define EF_PARISC_TRAPNL 1 /* Trap nil pointer dereference. */ |
| 1421 | #define EF_PARISC_EXT 2 /* Program uses arch. extensions. */ |
| 1422 | #define EF_PARISC_ARCH 0xffff0000 /* Architecture version. */ |
| 1423 | /* Defined values are: |
| 1424 | 0x020b PA-RISC 1.0 big-endian |
| 1425 | 0x0210 PA-RISC 1.1 big-endian |
| 1426 | 0x028b PA-RISC 1.0 little-endian |
| 1427 | 0x0290 PA-RISC 1.1 little-endian |
| 1428 | */ |
| 1429 | |
| 1430 | /* Legal values for sh_type field of Elf32_Shdr. */ |
| 1431 | |
| 1432 | #define SHT_PARISC_GOT 0x70000000 /* GOT for external data. */ |
| 1433 | #define SHT_PARISC_ARCH 0x70000001 /* Architecture extensions. */ |
| 1434 | #define SHT_PARISC_GLOBAL 0x70000002 /* Definition of $global$. */ |
| 1435 | #define SHT_PARISC_MILLI 0x70000003 /* Millicode routines. */ |
| 1436 | #define SHT_PARISC_UNWIND 0x70000004 /* Unwind information. */ |
| 1437 | #define SHT_PARISC_PLT 0x70000005 /* Procedure linkage table. */ |
| 1438 | #define SHT_PARISC_SDATA 0x70000006 /* Short initialized data. */ |
| 1439 | #define SHT_PARISC_SBSS 0x70000007 /* Short uninitialized data. */ |
| 1440 | #define SHT_PARISC_SYMEXTN 0x70000008 /* Argument/relocation info. */ |
| 1441 | #define SHT_PARISC_STUBS 0x70000009 /* Linker stubs. */ |
| 1442 | |
| 1443 | /* Legal values for sh_flags field of Elf32_Shdr. */ |
| 1444 | |
| 1445 | #define SHF_PARISC_GLOBAL 0x10000000 /* Section defines dp. */ |
| 1446 | #define SHF_PARISC_SHORT 0x20000000 /* Section with short addressing. */ |
| 1447 | |
| 1448 | /* Legal values for ST_TYPE subfield of st_info (symbol type). */ |
| 1449 | |
| 1450 | #define STT_PARISC_MILLICODE 13 /* Millicode function entry point. */ |
| 1451 | |
| 1452 | /* HPPA relocs. */ |
| 1453 | |
| 1454 | #define R_PARISC_NONE 0 /* No reloc. */ |
| 1455 | #define R_PARISC_DIR32 1 /* Direct 32-bit reference. */ |
| 1456 | #define R_PARISC_DIR21L 2 /* Left 21 bits of eff. address. */ |
| 1457 | #define R_PARISC_DIR17R 3 /* Right 17 bits of eff. address. */ |
| 1458 | #define R_PARISC_DIR14R 4 /* Right 14 bits of eff. address. */ |
| 1459 | #define R_PARISC_PCREL21L 5 /* PC-relative, left 21 bits. */ |
| 1460 | #define R_PARISC_PCREL14R 6 /* PC-relative, right 14 bits. */ |
| 1461 | #define R_PARISC_PCREL17C 7 /* Conditional PC-relative, ignore |
| 1462 | if displacement > 17bits. */ |
| 1463 | #define R_PARISC_PCREL17F 8 /* Conditional PC-relative, must |
| 1464 | fit in 17bits. */ |
| 1465 | #define R_PARISC_DPREL21L 9 /* DP-relative, left 21 bits. */ |
| 1466 | #define R_PARISC_DPREL14R 10 /* DP-relative, right 14 bits. */ |
| 1467 | #define R_PARISC_DPREL14F 11 /* DP-relative, must bit in 14 bits. */ |
| 1468 | #define R_PARISC_DLTREL21L 12 /* DLT-relative, left 21 bits. */ |
| 1469 | #define R_PARISC_DLTREL14R 13 /* DLT-relative, right 14 bits. */ |
| 1470 | #define R_PARISC_DLTREL14F 14 /* DLT-relative, must fit in 14 bits.*/ |
| 1471 | #define R_PARISC_DLTIND21L 15 /* DLT-relative indirect, left |
| 1472 | 21 bits. */ |
| 1473 | #define R_PARISC_DLTIND14R 16 /* DLT-relative indirect, right |
| 1474 | 14 bits. */ |
| 1475 | #define R_PARISC_DLTIND14F 17 /* DLT-relative indirect, must fit |
| 1476 | int 14 bits. */ |
| 1477 | #define R_PARISC_PLABEL32 18 /* Direct 32-bit reference to proc. */ |
| 1478 | |
| 1479 | /* Alpha specific definitions. */ |
| 1480 | |
| 1481 | /* Legal values for e_flags field of Elf64_Ehdr. */ |
| 1482 | |
| 1483 | #define EF_ALPHA_32BIT 1 /* All addresses must be < 2GB. */ |
| 1484 | #define EF_ALPHA_CANRELAX 2 /* Relocations for relaxing exist. */ |
| 1485 | |
| 1486 | /* Legal values for sh_type field of Elf64_Shdr. */ |
| 1487 | |
| 1488 | /* These two are primerily concerned with ECOFF debugging info. */ |
| 1489 | #define SHT_ALPHA_DEBUG 0x70000001 |
| 1490 | #define SHT_ALPHA_REGINFO 0x70000002 |
| 1491 | |
| 1492 | /* Legal values for sh_flags field of Elf64_Shdr. */ |
| 1493 | |
| 1494 | #define SHF_ALPHA_GPREL 0x10000000 |
| 1495 | |
| 1496 | /* Legal values for st_other field of Elf64_Sym. */ |
| 1497 | #define STO_ALPHA_NOPV 0x80 /* No PV required. */ |
| 1498 | #define STO_ALPHA_STD_GPLOAD 0x88 /* PV only used for initial ldgp. */ |
| 1499 | |
| 1500 | /* Alpha relocs. */ |
| 1501 | |
| 1502 | #define R_ALPHA_NONE 0 /* No reloc */ |
| 1503 | #define R_ALPHA_REFLONG 1 /* Direct 32 bit */ |
| 1504 | #define R_ALPHA_REFQUAD 2 /* Direct 64 bit */ |
| 1505 | #define R_ALPHA_GPREL32 3 /* GP relative 32 bit */ |
| 1506 | #define R_ALPHA_LITERAL 4 /* GP relative 16 bit w/optimization */ |
| 1507 | #define R_ALPHA_LITUSE 5 /* Optimization hint for LITERAL */ |
| 1508 | #define R_ALPHA_GPDISP 6 /* Add displacement to GP */ |
| 1509 | #define R_ALPHA_BRADDR 7 /* PC+4 relative 23 bit shifted */ |
| 1510 | #define R_ALPHA_HINT 8 /* PC+4 relative 16 bit shifted */ |
| 1511 | #define R_ALPHA_SREL16 9 /* PC relative 16 bit */ |
| 1512 | #define R_ALPHA_SREL32 10 /* PC relative 32 bit */ |
| 1513 | #define R_ALPHA_SREL64 11 /* PC relative 64 bit */ |
| 1514 | #define R_ALPHA_OP_PUSH 12 /* OP stack push */ |
| 1515 | #define R_ALPHA_OP_STORE 13 /* OP stack pop and store */ |
| 1516 | #define R_ALPHA_OP_PSUB 14 /* OP stack subtract */ |
| 1517 | #define R_ALPHA_OP_PRSHIFT 15 /* OP stack right shift */ |
| 1518 | #define R_ALPHA_GPVALUE 16 |
| 1519 | #define R_ALPHA_GPRELHIGH 17 |
| 1520 | #define R_ALPHA_GPRELLOW 18 |
| 1521 | #define R_ALPHA_IMMED_GP_16 19 |
| 1522 | #define R_ALPHA_IMMED_GP_HI32 20 |
| 1523 | #define R_ALPHA_IMMED_SCN_HI32 21 |
| 1524 | #define R_ALPHA_IMMED_BR_HI32 22 |
| 1525 | #define R_ALPHA_IMMED_LO32 23 |
| 1526 | #define R_ALPHA_COPY 24 /* Copy symbol at runtime */ |
| 1527 | #define R_ALPHA_GLOB_DAT 25 /* Create GOT entry */ |
| 1528 | #define R_ALPHA_JMP_SLOT 26 /* Create PLT entry */ |
| 1529 | #define R_ALPHA_RELATIVE 27 /* Adjust by program base */ |
| 1530 | /* Keep this the last entry. */ |
| 1531 | #define R_ALPHA_NUM 28 |
| 1532 | |
| 1533 | |
| 1534 | /* PowerPC specific declarations */ |
| 1535 | |
| 1536 | /* PowerPC relocations defined by the ABIs */ |
| 1537 | #define R_PPC_NONE 0 |
| 1538 | #define R_PPC_ADDR32 1 /* 32bit absolute address */ |
| 1539 | #define R_PPC_ADDR24 2 /* 26bit address, 2 bits ignored. */ |
| 1540 | #define R_PPC_ADDR16 3 /* 16bit absolute address */ |
| 1541 | #define R_PPC_ADDR16_LO 4 /* lower 16bit of absolute address */ |
| 1542 | #define R_PPC_ADDR16_HI 5 /* high 16bit of absolute address */ |
| 1543 | #define R_PPC_ADDR16_HA 6 /* adjusted high 16bit */ |
| 1544 | #define R_PPC_ADDR14 7 /* 16bit address, 2 bits ignored */ |
| 1545 | #define R_PPC_ADDR14_BRTAKEN 8 |
| 1546 | #define R_PPC_ADDR14_BRNTAKEN 9 |
| 1547 | #define R_PPC_REL24 10 /* PC relative 26 bit */ |
| 1548 | #define R_PPC_REL14 11 /* PC relative 16 bit */ |
| 1549 | #define R_PPC_REL14_BRTAKEN 12 |
| 1550 | #define R_PPC_REL14_BRNTAKEN 13 |
| 1551 | #define R_PPC_GOT16 14 |
| 1552 | #define R_PPC_GOT16_LO 15 |
| 1553 | #define R_PPC_GOT16_HI 16 |
| 1554 | #define R_PPC_GOT16_HA 17 |
| 1555 | #define R_PPC_PLTREL24 18 |
| 1556 | #define R_PPC_COPY 19 |
| 1557 | #define R_PPC_GLOB_DAT 20 |
| 1558 | #define R_PPC_JMP_SLOT 21 |
| 1559 | #define R_PPC_RELATIVE 22 |
| 1560 | #define R_PPC_LOCAL24PC 23 |
| 1561 | #define R_PPC_UADDR32 24 |
| 1562 | #define R_PPC_UADDR16 25 |
| 1563 | #define R_PPC_REL32 26 |
| 1564 | #define R_PPC_PLT32 27 |
| 1565 | #define R_PPC_PLTREL32 28 |
| 1566 | #define R_PPC_PLT16_LO 29 |
| 1567 | #define R_PPC_PLT16_HI 30 |
| 1568 | #define R_PPC_PLT16_HA 31 |
| 1569 | #define R_PPC_SDAREL16 32 |
| 1570 | #define R_PPC_SECTOFF 33 |
| 1571 | #define R_PPC_SECTOFF_LO 34 |
| 1572 | #define R_PPC_SECTOFF_HI 35 |
| 1573 | #define R_PPC_SECTOFF_HA 36 |
| 1574 | /* Keep this the last entry. */ |
| 1575 | #define R_PPC_NUM 37 |
| 1576 | |
| 1577 | /* The remaining relocs are from the Embedded ELF ABI, and are not |
| 1578 | in the SVR4 ELF ABI. */ |
| 1579 | #define R_PPC_EMB_NADDR32 101 |
| 1580 | #define R_PPC_EMB_NADDR16 102 |
| 1581 | #define R_PPC_EMB_NADDR16_LO 103 |
| 1582 | #define R_PPC_EMB_NADDR16_HI 104 |
| 1583 | #define R_PPC_EMB_NADDR16_HA 105 |
| 1584 | #define R_PPC_EMB_SDAI16 106 |
| 1585 | #define R_PPC_EMB_SDA2I16 107 |
| 1586 | #define R_PPC_EMB_SDA2REL 108 |
| 1587 | #define R_PPC_EMB_SDA21 109 /* 16 bit offset in SDA */ |
| 1588 | #define R_PPC_EMB_MRKREF 110 |
| 1589 | #define R_PPC_EMB_RELSEC16 111 |
| 1590 | #define R_PPC_EMB_RELST_LO 112 |
| 1591 | #define R_PPC_EMB_RELST_HI 113 |
| 1592 | #define R_PPC_EMB_RELST_HA 114 |
| 1593 | #define R_PPC_EMB_BIT_FLD 115 |
| 1594 | #define R_PPC_EMB_RELSDA 116 /* 16 bit relative offset in SDA */ |
| 1595 | |
| 1596 | /* Diab tool relocations. */ |
| 1597 | #define R_PPC_DIAB_SDA21_LO 180 /* like EMB_SDA21, but lower 16 bit */ |
| 1598 | #define R_PPC_DIAB_SDA21_HI 181 /* like EMB_SDA21, but high 16 bit */ |
| 1599 | #define R_PPC_DIAB_SDA21_HA 182 /* like EMB_SDA21, adjusted high 16 */ |
| 1600 | #define R_PPC_DIAB_RELSDA_LO 183 /* like EMB_RELSDA, but lower 16 bit */ |
| 1601 | #define R_PPC_DIAB_RELSDA_HI 184 /* like EMB_RELSDA, but high 16 bit */ |
| 1602 | #define R_PPC_DIAB_RELSDA_HA 185 /* like EMB_RELSDA, adjusted high 16 */ |
| 1603 | |
| 1604 | /* This is a phony reloc to handle any old fashioned TOC16 references |
| 1605 | that may still be in object files. */ |
| 1606 | #define R_PPC_TOC16 255 |
| 1607 | |
| 1608 | |
| 1609 | /* ARM specific declarations */ |
| 1610 | |
| 1611 | /* Processor specific flags for the ELF header e_flags field. */ |
| 1612 | #define EF_ARM_RELEXEC 0x01 |
| 1613 | #define EF_ARM_HASENTRY 0x02 |
| 1614 | #define EF_ARM_INTERWORK 0x04 |
| 1615 | #define EF_ARM_APCS_26 0x08 |
| 1616 | #define EF_ARM_APCS_FLOAT 0x10 |
| 1617 | #define EF_ARM_PIC 0x20 |
| 1618 | #define EF_ALIGN8 0x40 /* 8-bit structure alignment is in use */ |
| 1619 | #define EF_NEW_ABI 0x80 |
| 1620 | #define EF_OLD_ABI 0x100 |
| 1621 | |
| 1622 | /* Additional symbol types for Thumb */ |
| 1623 | #define STT_ARM_TFUNC 0xd |
| 1624 | |
| 1625 | /* ARM-specific values for sh_flags */ |
| 1626 | #define SHF_ARM_ENTRYSECT 0x10000000 /* Section contains an entry point */ |
| 1627 | #define SHF_ARM_COMDEF 0x80000000 /* Section may be multiply defined |
| 1628 | in the input to a link step */ |
| 1629 | |
| 1630 | /* ARM-specific program header flags */ |
| 1631 | #define PF_ARM_SB 0x10000000 /* Segment contains the location |
| 1632 | addressed by the static base */ |
| 1633 | |
| 1634 | /* ARM relocs. */ |
| 1635 | #define R_ARM_NONE 0 /* No reloc */ |
| 1636 | #define R_ARM_PC24 1 /* PC relative 26 bit branch */ |
| 1637 | #define R_ARM_ABS32 2 /* Direct 32 bit */ |
| 1638 | #define R_ARM_REL32 3 /* PC relative 32 bit */ |
| 1639 | #define R_ARM_PC13 4 |
| 1640 | #define R_ARM_ABS16 5 /* Direct 16 bit */ |
| 1641 | #define R_ARM_ABS12 6 /* Direct 12 bit */ |
| 1642 | #define R_ARM_THM_ABS5 7 |
| 1643 | #define R_ARM_ABS8 8 /* Direct 8 bit */ |
| 1644 | #define R_ARM_SBREL32 9 |
| 1645 | #define R_ARM_THM_PC22 10 |
| 1646 | #define R_ARM_THM_PC8 11 |
| 1647 | #define R_ARM_AMP_VCALL9 12 |
| 1648 | #define R_ARM_SWI24 13 |
| 1649 | #define R_ARM_THM_SWI8 14 |
| 1650 | #define R_ARM_XPC25 15 |
| 1651 | #define R_ARM_THM_XPC22 16 |
| 1652 | #define R_ARM_COPY 20 /* Copy symbol at runtime */ |
| 1653 | #define R_ARM_GLOB_DAT 21 /* Create GOT entry */ |
| 1654 | #define R_ARM_JUMP_SLOT 22 /* Create PLT entry */ |
| 1655 | #define R_ARM_RELATIVE 23 /* Adjust by program base */ |
| 1656 | #define R_ARM_GOTOFF 24 /* 32 bit offset to GOT */ |
| 1657 | #define R_ARM_GOTPC 25 /* 32 bit PC relative offset to GOT */ |
| 1658 | #define R_ARM_GOT32 26 /* 32 bit GOT entry */ |
| 1659 | #define R_ARM_PLT32 27 /* 32 bit PLT address */ |
| 1660 | #define R_ARM_GNU_VTENTRY 100 |
| 1661 | #define R_ARM_GNU_VTINHERIT 101 |
| 1662 | #define R_ARM_THM_PC11 102 /* thumb unconditional branch */ |
| 1663 | #define R_ARM_THM_PC9 103 /* thumb conditional branch */ |
| 1664 | #define R_ARM_RXPC25 249 |
| 1665 | #define R_ARM_RSBREL32 250 |
| 1666 | #define R_ARM_THM_RPC22 251 |
| 1667 | #define R_ARM_RREL32 252 |
| 1668 | #define R_ARM_RABS22 253 |
| 1669 | #define R_ARM_RPC24 254 |
| 1670 | #define R_ARM_RBASE 255 |
| 1671 | /* Keep this the last entry. */ |
| 1672 | #define R_ARM_NUM 256 |
| 1673 | |
| 1674 | /* TMS320C67xx specific declarations */ |
| 1675 | /* XXX: no ELF standard yet */ |
| 1676 | |
| 1677 | /* TMS320C67xx relocs. */ |
| 1678 | #define R_C60_32 1 |
| 1679 | #define R_C60_GOT32 3 /* 32 bit GOT entry */ |
| 1680 | #define R_C60_PLT32 4 /* 32 bit PLT address */ |
| 1681 | #define R_C60_COPY 5 /* Copy symbol at runtime */ |
| 1682 | #define R_C60_GLOB_DAT 6 /* Create GOT entry */ |
| 1683 | #define R_C60_JMP_SLOT 7 /* Create PLT entry */ |
| 1684 | #define R_C60_RELATIVE 8 /* Adjust by program base */ |
| 1685 | #define R_C60_GOTOFF 9 /* 32 bit offset to GOT */ |
| 1686 | #define R_C60_GOTPC 10 /* 32 bit PC relative offset to GOT */ |
| 1687 | |
| 1688 | #define R_C60HI16 0x55 // high 16 bit MVKH embedded |
| 1689 | #define R_C60LO16 0x54 // low 16 bit MVKL embedded |
| 1690 | |
| 1691 | #endif /* elf.h */ |
| 1692 | //--------------------------------------------------------------------------- |
| 1693 | |
| 1694 | |
| 1695 | // njn: inlined stab.h |
| 1696 | //#include "stab.h" |
| 1697 | //--------------------------------------------------------------------------- |
| 1698 | #ifndef __GNU_STAB__ |
| 1699 | |
| 1700 | /* Indicate the GNU stab.h is in use. */ |
| 1701 | |
| 1702 | #define __GNU_STAB__ |
| 1703 | |
| 1704 | #define __define_stab(NAME, CODE, STRING) NAME=CODE, |
| 1705 | |
| 1706 | enum __stab_debug_code |
| 1707 | { |
| 1708 | // njn: inlined stab.def |
| 1709 | //#include "stab.def" |
| 1710 | //--------------------------------------------------------------------------- |
| 1711 | /* Table of DBX symbol codes for the GNU system. |
| 1712 | Copyright (C) 1988, 1997 Free Software Foundation, Inc. |
| 1713 | This file is part of the GNU C Library. |
| 1714 | |
| 1715 | The GNU C Library is free software; you can redistribute it and/or |
| 1716 | modify it under the terms of the GNU Library General Public License as |
| 1717 | published by the Free Software Foundation; either version 2 of the |
| 1718 | License, or (at your option) any later version. |
| 1719 | |
| 1720 | The GNU C Library is distributed in the hope that it will be useful, |
| 1721 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 1722 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 1723 | Library General Public License for more details. |
| 1724 | |
| 1725 | You should have received a copy of the GNU Library General Public |
| 1726 | License along with the GNU C Library; see the file COPYING.LIB. If not, |
| 1727 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| 1728 | Boston, MA 02111-1307, USA. */ |
| 1729 | |
| 1730 | /* This contains contribution from Cygnus Support. */ |
| 1731 | |
| 1732 | /* Global variable. Only the name is significant. |
| 1733 | To find the address, look in the corresponding external symbol. */ |
| 1734 | __define_stab (N_GSYM, 0x20, "GSYM") |
| 1735 | |
| 1736 | /* Function name for BSD Fortran. Only the name is significant. |
| 1737 | To find the address, look in the corresponding external symbol. */ |
| 1738 | __define_stab (N_FNAME, 0x22, "FNAME") |
| 1739 | |
| 1740 | /* Function name or text-segment variable for C. Value is its address. |
| 1741 | Desc is supposedly starting line number, but GCC doesn't set it |
| 1742 | and DBX seems not to miss it. */ |
| 1743 | __define_stab (N_FUN, 0x24, "FUN") |
| 1744 | |
| 1745 | /* Data-segment variable with internal linkage. Value is its address. |
| 1746 | "Static Sym". */ |
| 1747 | __define_stab (N_STSYM, 0x26, "STSYM") |
| 1748 | |
| 1749 | /* BSS-segment variable with internal linkage. Value is its address. */ |
| 1750 | __define_stab (N_LCSYM, 0x28, "LCSYM") |
| 1751 | |
| 1752 | /* Name of main routine. Only the name is significant. |
| 1753 | This is not used in C. */ |
| 1754 | __define_stab (N_MAIN, 0x2a, "MAIN") |
| 1755 | |
| 1756 | /* Global symbol in Pascal. |
| 1757 | Supposedly the value is its line number; I'm skeptical. */ |
| 1758 | __define_stab (N_PC, 0x30, "PC") |
| 1759 | |
| 1760 | /* Number of symbols: 0, files,,funcs,lines according to Ultrix V4.0. */ |
| 1761 | __define_stab (N_NSYMS, 0x32, "NSYMS") |
| 1762 | |
| 1763 | /* "No DST map for sym: name, ,0,type,ignored" according to Ultrix V4.0. */ |
| 1764 | __define_stab (N_NOMAP, 0x34, "NOMAP") |
| 1765 | |
| 1766 | /* New stab from Solaris. I don't know what it means, but it |
| 1767 | don't seem to contain useful information. */ |
| 1768 | __define_stab (N_OBJ, 0x38, "OBJ") |
| 1769 | |
| 1770 | /* New stab from Solaris. I don't know what it means, but it |
| 1771 | don't seem to contain useful information. Possibly related to the |
| 1772 | optimization flags used in this module. */ |
| 1773 | __define_stab (N_OPT, 0x3c, "OPT") |
| 1774 | |
| 1775 | /* Register variable. Value is number of register. */ |
| 1776 | __define_stab (N_RSYM, 0x40, "RSYM") |
| 1777 | |
| 1778 | /* Modula-2 compilation unit. Can someone say what info it contains? */ |
| 1779 | __define_stab (N_M2C, 0x42, "M2C") |
| 1780 | |
| 1781 | /* Line number in text segment. Desc is the line number; |
| 1782 | value is corresponding address. */ |
| 1783 | __define_stab (N_SLINE, 0x44, "SLINE") |
| 1784 | |
| 1785 | /* Similar, for data segment. */ |
| 1786 | __define_stab (N_DSLINE, 0x46, "DSLINE") |
| 1787 | |
| 1788 | /* Similar, for bss segment. */ |
| 1789 | __define_stab (N_BSLINE, 0x48, "BSLINE") |
| 1790 | |
| 1791 | /* Sun's source-code browser stabs. ?? Don't know what the fields are. |
| 1792 | Supposedly the field is "path to associated .cb file". THIS VALUE |
| 1793 | OVERLAPS WITH N_BSLINE! */ |
| 1794 | __define_stab (N_BROWS, 0x48, "BROWS") |
| 1795 | |
| 1796 | /* GNU Modula-2 definition module dependency. Value is the modification time |
| 1797 | of the definition file. Other is non-zero if it is imported with the |
| 1798 | GNU M2 keyword %INITIALIZE. Perhaps N_M2C can be used if there |
| 1799 | are enough empty fields? */ |
| 1800 | __define_stab(N_DEFD, 0x4a, "DEFD") |
| 1801 | |
| 1802 | /* THE FOLLOWING TWO STAB VALUES CONFLICT. Happily, one is for Modula-2 |
| 1803 | and one is for C++. Still,... */ |
| 1804 | /* GNU C++ exception variable. Name is variable name. */ |
| 1805 | __define_stab (N_EHDECL, 0x50, "EHDECL") |
| 1806 | /* Modula2 info "for imc": name,,0,0,0 according to Ultrix V4.0. */ |
| 1807 | __define_stab (N_MOD2, 0x50, "MOD2") |
| 1808 | |
| 1809 | /* GNU C++ `catch' clause. Value is its address. Desc is nonzero if |
| 1810 | this entry is immediately followed by a CAUGHT stab saying what exception |
| 1811 | was caught. Multiple CAUGHT stabs means that multiple exceptions |
| 1812 | can be caught here. If Desc is 0, it means all exceptions are caught |
| 1813 | here. */ |
| 1814 | __define_stab (N_CATCH, 0x54, "CATCH") |
| 1815 | |
| 1816 | /* Structure or union element. Value is offset in the structure. */ |
| 1817 | __define_stab (N_SSYM, 0x60, "SSYM") |
| 1818 | |
| 1819 | /* Name of main source file. |
| 1820 | Value is starting text address of the compilation. */ |
| 1821 | __define_stab (N_SO, 0x64, "SO") |
| 1822 | |
| 1823 | /* Automatic variable in the stack. Value is offset from frame pointer. |
| 1824 | Also used for type descriptions. */ |
| 1825 | __define_stab (N_LSYM, 0x80, "LSYM") |
| 1826 | |
| 1827 | /* Beginning of an include file. Only Sun uses this. |
| 1828 | In an object file, only the name is significant. |
| 1829 | The Sun linker puts data into some of the other fields. */ |
| 1830 | __define_stab (N_BINCL, 0x82, "BINCL") |
| 1831 | |
| 1832 | /* Name of sub-source file (#include file). |
| 1833 | Value is starting text address of the compilation. */ |
| 1834 | __define_stab (N_SOL, 0x84, "SOL") |
| 1835 | |
| 1836 | /* Parameter variable. Value is offset from argument pointer. |
| 1837 | (On most machines the argument pointer is the same as the frame pointer. */ |
| 1838 | __define_stab (N_PSYM, 0xa0, "PSYM") |
| 1839 | |
| 1840 | /* End of an include file. No name. |
| 1841 | This and N_BINCL act as brackets around the file's output. |
| 1842 | In an object file, there is no significant data in this entry. |
| 1843 | The Sun linker puts data into some of the fields. */ |
| 1844 | __define_stab (N_EINCL, 0xa2, "EINCL") |
| 1845 | |
| 1846 | /* Alternate entry point. Value is its address. */ |
| 1847 | __define_stab (N_ENTRY, 0xa4, "ENTRY") |
| 1848 | |
| 1849 | /* Beginning of lexical block. |
| 1850 | The desc is the nesting level in lexical blocks. |
| 1851 | The value is the address of the start of the text for the block. |
| 1852 | The variables declared inside the block *precede* the N_LBRAC symbol. */ |
| 1853 | __define_stab (N_LBRAC, 0xc0, "LBRAC") |
| 1854 | |
| 1855 | /* Place holder for deleted include file. Replaces a N_BINCL and everything |
| 1856 | up to the corresponding N_EINCL. The Sun linker generates these when |
| 1857 | it finds multiple identical copies of the symbols from an include file. |
| 1858 | This appears only in output from the Sun linker. */ |
| 1859 | __define_stab (N_EXCL, 0xc2, "EXCL") |
| 1860 | |
| 1861 | /* Modula-2 scope information. Can someone say what info it contains? */ |
| 1862 | __define_stab (N_SCOPE, 0xc4, "SCOPE") |
| 1863 | |
| 1864 | /* End of a lexical block. Desc matches the N_LBRAC's desc. |
| 1865 | The value is the address of the end of the text for the block. */ |
| 1866 | __define_stab (N_RBRAC, 0xe0, "RBRAC") |
| 1867 | |
| 1868 | /* Begin named common block. Only the name is significant. */ |
| 1869 | __define_stab (N_BCOMM, 0xe2, "BCOMM") |
| 1870 | |
| 1871 | /* End named common block. Only the name is significant |
| 1872 | (and it should match the N_BCOMM). */ |
| 1873 | __define_stab (N_ECOMM, 0xe4, "ECOMM") |
| 1874 | |
| 1875 | /* End common (local name): value is address. |
| 1876 | I'm not sure how this is used. */ |
| 1877 | __define_stab (N_ECOML, 0xe8, "ECOML") |
| 1878 | |
| 1879 | /* These STAB's are used on Gould systems for Non-Base register symbols |
| 1880 | or something like that. FIXME. I have assigned the values at random |
| 1881 | since I don't have a Gould here. Fixups from Gould folk welcome... */ |
| 1882 | __define_stab (N_NBTEXT, 0xF0, "NBTEXT") |
| 1883 | __define_stab (N_NBDATA, 0xF2, "NBDATA") |
| 1884 | __define_stab (N_NBBSS, 0xF4, "NBBSS") |
| 1885 | __define_stab (N_NBSTS, 0xF6, "NBSTS") |
| 1886 | __define_stab (N_NBLCS, 0xF8, "NBLCS") |
| 1887 | |
| 1888 | /* Second symbol entry containing a length-value for the preceding entry. |
| 1889 | The value is the length. */ |
| 1890 | __define_stab (N_LENG, 0xfe, "LENG") |
| 1891 | |
| 1892 | /* The above information, in matrix format. |
| 1893 | |
| 1894 | STAB MATRIX |
| 1895 | _________________________________________________ |
| 1896 | | 00 - 1F are not dbx stab symbols | |
| 1897 | | In most cases, the low bit is the EXTernal bit| |
| 1898 | |
| 1899 | | 00 UNDEF | 02 ABS | 04 TEXT | 06 DATA | |
| 1900 | | 01 |EXT | 03 |EXT | 05 |EXT | 07 |EXT | |
| 1901 | |
| 1902 | | 08 BSS | 0A INDR | 0C FN_SEQ | 0E | |
| 1903 | | 09 |EXT | 0B | 0D | 0F | |
| 1904 | |
| 1905 | | 10 | 12 COMM | 14 SETA | 16 SETT | |
| 1906 | | 11 | 13 | 15 | 17 | |
| 1907 | |
| 1908 | | 18 SETD | 1A SETB | 1C SETV | 1E WARNING| |
| 1909 | | 19 | 1B | 1D | 1F FN | |
| 1910 | |
| 1911 | |_______________________________________________| |
| 1912 | | Debug entries with bit 01 set are unused. | |
| 1913 | | 20 GSYM | 22 FNAME | 24 FUN | 26 STSYM | |
| 1914 | | 28 LCSYM | 2A MAIN | 2C | 2E | |
| 1915 | | 30 PC | 32 NSYMS | 34 NOMAP | 36 | |
| 1916 | | 38 OBJ | 3A | 3C OPT | 3E | |
| 1917 | | 40 RSYM | 42 M2C | 44 SLINE | 46 DSLINE | |
| 1918 | | 48 BSLINE*| 4A DEFD | 4C | 4E | |
| 1919 | | 50 EHDECL*| 52 | 54 CATCH | 56 | |
| 1920 | | 58 | 5A | 5C | 5E | |
| 1921 | | 60 SSYM | 62 | 64 SO | 66 | |
| 1922 | | 68 | 6A | 6C | 6E | |
| 1923 | | 70 | 72 | 74 | 76 | |
| 1924 | | 78 | 7A | 7C | 7E | |
| 1925 | | 80 LSYM | 82 BINCL | 84 SOL | 86 | |
| 1926 | | 88 | 8A | 8C | 8E | |
| 1927 | | 90 | 92 | 94 | 96 | |
| 1928 | | 98 | 9A | 9C | 9E | |
| 1929 | | A0 PSYM | A2 EINCL | A4 ENTRY | A6 | |
| 1930 | | A8 | AA | AC | AE | |
| 1931 | | B0 | B2 | B4 | B6 | |
| 1932 | | B8 | BA | BC | BE | |
| 1933 | | C0 LBRAC | C2 EXCL | C4 SCOPE | C6 | |
| 1934 | | C8 | CA | CC | CE | |
| 1935 | | D0 | D2 | D4 | D6 | |
| 1936 | | D8 | DA | DC | DE | |
| 1937 | | E0 RBRAC | E2 BCOMM | E4 ECOMM | E6 | |
| 1938 | | E8 ECOML | EA | EC | EE | |
| 1939 | | F0 | F2 | F4 | F6 | |
| 1940 | | F8 | FA | FC | FE LENG | |
| 1941 | +-----------------------------------------------+ |
| 1942 | * 50 EHDECL is also MOD2. |
| 1943 | * 48 BSLINE is also BROWS. |
| 1944 | */ |
| 1945 | //--------------------------------------------------------------------------- |
| 1946 | LAST_UNUSED_STAB_CODE |
| 1947 | }; |
| 1948 | |
| 1949 | #undef __define_stab |
| 1950 | |
| 1951 | #endif /* __GNU_STAB_ */ |
| 1952 | //--------------------------------------------------------------------------- |
| 1953 | |
| 1954 | #ifndef O_BINARY |
| 1955 | #define O_BINARY 0 |
| 1956 | #endif |
| 1957 | |
| 1958 | // njn: inlined libtcc.h |
| 1959 | //#include "libtcc.h" |
| 1960 | //--------------------------------------------------------------------------- |
| 1961 | #ifndef LIBTCC_H |
| 1962 | #define LIBTCC_H |
| 1963 | |
| 1964 | #ifdef __cplusplus |
| 1965 | extern "C" { |
| 1966 | #endif |
| 1967 | |
| 1968 | struct TCCState; |
| 1969 | |
| 1970 | typedef struct TCCState TCCState; |
| 1971 | |
| 1972 | /* create a new TCC compilation context */ |
| 1973 | TCCState *tcc_new(void); |
| 1974 | |
| 1975 | /* free a TCC compilation context */ |
| 1976 | void tcc_delete(TCCState *s); |
| 1977 | |
| 1978 | /* add debug information in the generated code */ |
| 1979 | void tcc_enable_debug(TCCState *s); |
| 1980 | |
| 1981 | /* set error/warning display callback */ |
| 1982 | void tcc_set_error_func(TCCState *s, void *error_opaque, |
| 1983 | void (*error_func)(void *opaque, const char *msg)); |
| 1984 | |
| 1985 | /* set/reset a warning */ |
| 1986 | int tcc_set_warning(TCCState *s, const char *warning_name, int value); |
| 1987 | |
| 1988 | /*****************************/ |
| 1989 | /* preprocessor */ |
| 1990 | |
| 1991 | /* add include path */ |
| 1992 | int tcc_add_include_path(TCCState *s, const char *pathname); |
| 1993 | |
| 1994 | /* add in system include path */ |
| 1995 | int tcc_add_sysinclude_path(TCCState *s, const char *pathname); |
| 1996 | |
| 1997 | /* define preprocessor symbol 'sym'. Can put optional value */ |
| 1998 | void tcc_define_symbol(TCCState *s, const char *sym, const char *value); |
| 1999 | |
| 2000 | /* undefine preprocess symbol 'sym' */ |
| 2001 | void tcc_undefine_symbol(TCCState *s, const char *sym); |
| 2002 | |
| 2003 | /*****************************/ |
| 2004 | /* compiling */ |
| 2005 | |
| 2006 | /* add a file (either a C file, dll, an object, a library or an ld |
| 2007 | script). Return -1 if error. */ |
| 2008 | int tcc_add_file(TCCState *s, const char *filename); |
| 2009 | |
| 2010 | /* compile a string containing a C source. Return non zero if |
| 2011 | error. */ |
| 2012 | int tcc_compile_string(TCCState *s, const char *buf); |
| 2013 | |
| 2014 | /*****************************/ |
| 2015 | /* linking commands */ |
| 2016 | |
| 2017 | /* set output type. MUST BE CALLED before any compilation */ |
| 2018 | #define TCC_OUTPUT_MEMORY 0 /* output will be ran in memory (no |
| 2019 | output file) (default) */ |
| 2020 | #define TCC_OUTPUT_EXE 1 /* executable file */ |
| 2021 | #define TCC_OUTPUT_DLL 2 /* dynamic library */ |
| 2022 | #define TCC_OUTPUT_OBJ 3 /* object file */ |
| 2023 | int tcc_set_output_type(TCCState *s, int output_type); |
| 2024 | |
| 2025 | #define TCC_OUTPUT_FORMAT_ELF 0 /* default output format: ELF */ |
| 2026 | #define TCC_OUTPUT_FORMAT_BINARY 1 /* binary image output */ |
| 2027 | #define TCC_OUTPUT_FORMAT_COFF 2 /* COFF */ |
| 2028 | |
| 2029 | /* equivalent to -Lpath option */ |
| 2030 | int tcc_add_library_path(TCCState *s, const char *pathname); |
| 2031 | |
| 2032 | /* the library name is the same as the argument of the '-l' option */ |
| 2033 | int tcc_add_library(TCCState *s, const char *libraryname); |
| 2034 | |
| 2035 | /* add a symbol to the compiled program */ |
| 2036 | int tcc_add_symbol(TCCState *s, const char *name, unsigned long val); |
| 2037 | |
| 2038 | /* output an executable, library or object file. DO NOT call |
| 2039 | tcc_relocate() before. */ |
| 2040 | int tcc_output_file(TCCState *s, const char *filename); |
| 2041 | |
| 2042 | /* link and run main() function and return its value. DO NOT call |
| 2043 | tcc_relocate() before. */ |
| 2044 | int tcc_run(TCCState *s, int argc, char **argv); |
| 2045 | |
| 2046 | /* do all relocations (needed before using tcc_get_symbol()). Return |
| 2047 | non zero if link error. */ |
| 2048 | int tcc_relocate(TCCState *s); |
| 2049 | |
| 2050 | /* return symbol value. return 0 if OK, -1 if symbol not found */ |
| 2051 | int tcc_get_symbol(TCCState *s, unsigned long *pval, const char *name); |
| 2052 | |
| 2053 | #ifdef __cplusplus |
| 2054 | } |
| 2055 | #endif |
| 2056 | |
| 2057 | #endif |
| 2058 | //--------------------------------------------------------------------------- |
| 2059 | |
| 2060 | /* parser debug */ |
| 2061 | //#define PARSE_DEBUG |
| 2062 | /* preprocessor debug */ |
| 2063 | //#define PP_DEBUG |
| 2064 | /* include file debug */ |
| 2065 | //#define INC_DEBUG |
| 2066 | |
| 2067 | //#define MEM_DEBUG |
| 2068 | |
| 2069 | /* assembler debug */ |
| 2070 | //#define ASM_DEBUG |
| 2071 | |
| 2072 | /* target selection */ |
| 2073 | //#define TCC_TARGET_I386 /* i386 code generator */ |
| 2074 | //#define TCC_TARGET_ARM /* ARMv4 code generator */ |
| 2075 | //#define TCC_TARGET_C67 /* TMS320C67xx code generator */ |
| 2076 | |
| 2077 | /* default target is I386 */ |
| 2078 | #if !defined(TCC_TARGET_I386) && !defined(TCC_TARGET_ARM) && \ |
| 2079 | !defined(TCC_TARGET_C67) |
| 2080 | #define TCC_TARGET_I386 |
| 2081 | #endif |
| 2082 | |
| 2083 | #if !defined(WIN32) && !defined(TCC_UCLIBC) && !defined(TCC_TARGET_ARM) && \ |
| 2084 | !defined(TCC_TARGET_C67) |
| 2085 | #define CONFIG_TCC_BCHECK /* enable bound checking code */ |
| 2086 | #endif |
| 2087 | |
| 2088 | #if defined(WIN32) && !defined(TCC_TARGET_PE) |
| 2089 | #define CONFIG_TCC_STATIC |
| 2090 | #endif |
| 2091 | |
| 2092 | /* define it to include assembler support */ |
| 2093 | #if !defined(TCC_TARGET_ARM) && !defined(TCC_TARGET_C67) |
| 2094 | #define CONFIG_TCC_ASM |
| 2095 | #endif |
| 2096 | |
| 2097 | /* object format selection */ |
| 2098 | #if defined(TCC_TARGET_C67) |
| 2099 | #define TCC_TARGET_COFF |
| 2100 | #endif |
| 2101 | |
| 2102 | #define FALSE 0 |
| 2103 | #define false 0 |
| 2104 | #define TRUE 1 |
| 2105 | #define true 1 |
| 2106 | typedef int BOOL; |
| 2107 | |
| 2108 | /* path to find crt1.o, crti.o and crtn.o. Only needed when generating |
| 2109 | executables or dlls */ |
| 2110 | #define CONFIG_TCC_CRT_PREFIX "/usr/lib" |
| 2111 | |
| 2112 | #define INCLUDE_STACK_SIZE 32 |
| 2113 | #define IFDEF_STACK_SIZE 64 |
| 2114 | #define VSTACK_SIZE 256 |
| 2115 | #define STRING_MAX_SIZE 1024 |
| 2116 | #define PACK_STACK_SIZE 8 |
| 2117 | |
| 2118 | #define TOK_HASH_SIZE 8192 /* must be a power of two */ |
| 2119 | #define TOK_ALLOC_INCR 512 /* must be a power of two */ |
| 2120 | #define TOK_MAX_SIZE 4 /* token max size in int unit when stored in string */ |
| 2121 | |
| 2122 | /* token symbol management */ |
| 2123 | typedef struct TokenSym { |
| 2124 | struct TokenSym *hash_next; |
| 2125 | struct Sym *sym_define; /* direct pointer to define */ |
| 2126 | struct Sym *sym_label; /* direct pointer to label */ |
| 2127 | struct Sym *sym_struct; /* direct pointer to structure */ |
| 2128 | struct Sym *sym_identifier; /* direct pointer to identifier */ |
| 2129 | int tok; /* token number */ |
| 2130 | int len; |
| 2131 | char str[1]; |
| 2132 | } TokenSym; |
| 2133 | |
| 2134 | typedef struct CString { |
| 2135 | int size; /* size in bytes */ |
| 2136 | void *data; /* either 'char *' or 'int *' */ |
| 2137 | int size_allocated; |
| 2138 | void *data_allocated; /* if non NULL, data has been malloced */ |
| 2139 | } CString; |
| 2140 | |
| 2141 | /* type definition */ |
| 2142 | typedef struct CType { |
| 2143 | int t; |
| 2144 | struct Sym *ref; |
| 2145 | } CType; |
| 2146 | |
| 2147 | /* constant value */ |
| 2148 | typedef union CValue { |
| 2149 | long double ld; |
| 2150 | double d; |
| 2151 | float f; |
| 2152 | int i; |
| 2153 | unsigned int ui; |
| 2154 | unsigned int ul; /* address (should be unsigned long on 64 bit cpu) */ |
| 2155 | long long ll; |
| 2156 | unsigned long long ull; |
| 2157 | struct CString *cstr; |
| 2158 | void *ptr; |
| 2159 | int tab[1]; |
| 2160 | } CValue; |
| 2161 | |
| 2162 | /* value on stack */ |
| 2163 | typedef struct SValue { |
| 2164 | CType type; /* type */ |
| 2165 | unsigned short r; /* register + flags */ |
| 2166 | unsigned short r2; /* second register, used for 'long long' |
| 2167 | type. If not used, set to VT_CONST */ |
| 2168 | CValue c; /* constant, if VT_CONST */ |
| 2169 | struct Sym *sym; /* symbol, if (VT_SYM | VT_CONST) */ |
| 2170 | } SValue; |
| 2171 | |
| 2172 | /* symbol management */ |
| 2173 | typedef struct Sym { |
| 2174 | int v; /* symbol token */ |
| 2175 | int r; /* associated register */ |
| 2176 | int c; /* associated number */ |
| 2177 | CType type; /* associated type */ |
| 2178 | struct Sym *next; /* next related symbol */ |
| 2179 | struct Sym *prev; /* prev symbol in stack */ |
| 2180 | struct Sym *prev_tok; /* previous symbol for this token */ |
| 2181 | } Sym; |
| 2182 | |
| 2183 | /* section definition */ |
| 2184 | /* XXX: use directly ELF structure for parameters ? */ |
| 2185 | /* special flag to indicate that the section should not be linked to |
| 2186 | the other ones */ |
| 2187 | #define SHF_PRIVATE 0x80000000 |
| 2188 | |
| 2189 | typedef struct Section { |
| 2190 | unsigned long data_offset; /* current data offset */ |
| 2191 | unsigned char *data; /* section data */ |
| 2192 | unsigned long data_allocated; /* used for realloc() handling */ |
| 2193 | int sh_name; /* elf section name (only used during output) */ |
| 2194 | int sh_num; /* elf section number */ |
| 2195 | int sh_type; /* elf section type */ |
| 2196 | int sh_flags; /* elf section flags */ |
| 2197 | int sh_info; /* elf section info */ |
| 2198 | int sh_addralign; /* elf section alignment */ |
| 2199 | int sh_entsize; /* elf entry size */ |
| 2200 | unsigned long sh_size; /* section size (only used during output) */ |
| 2201 | unsigned long sh_addr; /* address at which the section is relocated */ |
| 2202 | unsigned long sh_offset; /* address at which the section is relocated */ |
| 2203 | int nb_hashed_syms; /* used to resize the hash table */ |
| 2204 | struct Section *link; /* link to another section */ |
| 2205 | struct Section *reloc; /* corresponding section for relocation, if any */ |
| 2206 | struct Section *hash; /* hash table for symbols */ |
| 2207 | struct Section *next; |
| 2208 | char name[1]; /* section name */ |
| 2209 | } Section; |
| 2210 | |
| 2211 | typedef struct DLLReference { |
| 2212 | int level; |
| 2213 | char name[1]; |
| 2214 | } DLLReference; |
| 2215 | |
| 2216 | /* GNUC attribute definition */ |
| 2217 | typedef struct AttributeDef { |
| 2218 | int aligned; |
| 2219 | int packed; |
| 2220 | Section *section; |
| 2221 | unsigned char func_call; /* FUNC_CDECL, FUNC_STDCALL, FUNC_FASTCALLx */ |
| 2222 | unsigned char dllexport; |
| 2223 | } AttributeDef; |
| 2224 | |
| 2225 | #define SYM_STRUCT 0x40000000 /* struct/union/enum symbol space */ |
| 2226 | #define SYM_FIELD 0x20000000 /* struct/union field symbol space */ |
| 2227 | #define SYM_FIRST_ANOM 0x10000000 /* first anonymous sym */ |
| 2228 | |
| 2229 | /* stored in 'Sym.c' field */ |
| 2230 | #define FUNC_NEW 1 /* ansi function prototype */ |
| 2231 | #define FUNC_OLD 2 /* old function prototype */ |
| 2232 | #define FUNC_ELLIPSIS 3 /* ansi function prototype with ... */ |
| 2233 | |
| 2234 | /* stored in 'Sym.r' field */ |
| 2235 | #define FUNC_CDECL 0 /* standard c call */ |
| 2236 | #define FUNC_STDCALL 1 /* pascal c call */ |
| 2237 | #define FUNC_FASTCALL1 2 /* first param in %eax */ |
| 2238 | #define FUNC_FASTCALL2 3 /* first parameters in %eax, %edx */ |
| 2239 | #define FUNC_FASTCALL3 4 /* first parameter in %eax, %edx, %ecx */ |
| 2240 | |
| 2241 | /* field 'Sym.t' for macros */ |
| 2242 | #define MACRO_OBJ 0 /* object like macro */ |
| 2243 | #define MACRO_FUNC 1 /* function like macro */ |
| 2244 | |
| 2245 | /* field 'Sym.r' for C labels */ |
| 2246 | #define LABEL_DEFINED 0 /* label is defined */ |
| 2247 | #define LABEL_FORWARD 1 /* label is forward defined */ |
| 2248 | #define LABEL_DECLARED 2 /* label is declared but never used */ |
| 2249 | |
| 2250 | /* type_decl() types */ |
| 2251 | #define TYPE_ABSTRACT 1 /* type without variable */ |
| 2252 | #define TYPE_DIRECT 2 /* type with variable */ |
| 2253 | |
| 2254 | #define IO_BUF_SIZE 8192 |
| 2255 | |
| 2256 | typedef struct BufferedFile { |
| 2257 | uint8_t *buf_ptr; |
| 2258 | uint8_t *buf_end; |
| 2259 | int fd; |
| 2260 | int line_num; /* current line number - here to simplify code */ |
| 2261 | int ifndef_macro; /* #ifndef macro / #endif search */ |
| 2262 | int ifndef_macro_saved; /* saved ifndef_macro */ |
| 2263 | int *ifdef_stack_ptr; /* ifdef_stack value at the start of the file */ |
| 2264 | char inc_type; /* type of include */ |
| 2265 | char inc_filename[512]; /* filename specified by the user */ |
| 2266 | char filename[1024]; /* current filename - here to simplify code */ |
| 2267 | unsigned char buffer[IO_BUF_SIZE + 1]; /* extra size for CH_EOB char */ |
| 2268 | } BufferedFile; |
| 2269 | |
| 2270 | #define CH_EOB '\\' /* end of buffer or '\0' char in file */ |
| 2271 | #define CH_EOF (-1) /* end of file */ |
| 2272 | |
| 2273 | /* parsing state (used to save parser state to reparse part of the |
| 2274 | source several times) */ |
| 2275 | typedef struct ParseState { |
| 2276 | int *macro_ptr; |
| 2277 | int line_num; |
| 2278 | int tok; |
| 2279 | CValue tokc; |
| 2280 | } ParseState; |
| 2281 | |
| 2282 | /* used to record tokens */ |
| 2283 | typedef struct TokenString { |
| 2284 | int *str; |
| 2285 | int len; |
| 2286 | int allocated_len; |
| 2287 | int last_line_num; |
| 2288 | } TokenString; |
| 2289 | |
| 2290 | /* include file cache, used to find files faster and also to eliminate |
| 2291 | inclusion if the include file is protected by #ifndef ... #endif */ |
| 2292 | typedef struct CachedInclude { |
| 2293 | int ifndef_macro; |
| 2294 | int hash_next; /* -1 if none */ |
| 2295 | char type; /* '"' or '>' to give include type */ |
| 2296 | char filename[1]; /* path specified in #include */ |
| 2297 | } CachedInclude; |
| 2298 | |
| 2299 | #define CACHED_INCLUDES_HASH_SIZE 512 |
| 2300 | |
| 2301 | /* parser */ |
| 2302 | static struct BufferedFile *file; |
| 2303 | static int ch, tok; |
| 2304 | static CValue tokc; |
| 2305 | static CString tokcstr; /* current parsed string, if any */ |
| 2306 | /* additional informations about token */ |
| 2307 | static int tok_flags; |
| 2308 | #define TOK_FLAG_BOL 0x0001 /* beginning of line before */ |
| 2309 | #define TOK_FLAG_BOF 0x0002 /* beginning of file before */ |
| 2310 | #define TOK_FLAG_ENDIF 0x0004 /* a endif was found matching starting #ifdef */ |
| 2311 | |
| 2312 | static int *macro_ptr, *macro_ptr_allocated; |
| 2313 | static int *unget_saved_macro_ptr; |
| 2314 | static int unget_saved_buffer[TOK_MAX_SIZE + 1]; |
| 2315 | static int unget_buffer_enabled; |
| 2316 | static int parse_flags; |
| 2317 | #define PARSE_FLAG_PREPROCESS 0x0001 /* activate preprocessing */ |
| 2318 | #define PARSE_FLAG_TOK_NUM 0x0002 /* return numbers instead of TOK_PPNUM */ |
| 2319 | #define PARSE_FLAG_LINEFEED 0x0004 /* line feed is returned as a |
| 2320 | token. line feed is also |
| 2321 | returned at eof */ |
| 2322 | #define PARSE_FLAG_ASM_COMMENTS 0x0008 /* '#' can be used for line comment */ |
| 2323 | |
| 2324 | static Section *text_section, *data_section, *bss_section; /* predefined sections */ |
| 2325 | static Section *cur_text_section; /* current section where function code is |
| 2326 | generated */ |
| 2327 | #ifdef CONFIG_TCC_ASM |
| 2328 | static Section *last_text_section; /* to handle .previous asm directive */ |
| 2329 | #endif |
| 2330 | /* bound check related sections */ |
| 2331 | static Section *bounds_section; /* contains global data bound description */ |
| 2332 | static Section *lbounds_section; /* contains local data bound description */ |
| 2333 | /* symbol sections */ |
| 2334 | static Section *symtab_section, *strtab_section; |
| 2335 | |
| 2336 | /* debug sections */ |
| 2337 | static Section *stab_section, *stabstr_section; |
| 2338 | |
| 2339 | /* loc : local variable index |
| 2340 | ind : output code index |
| 2341 | rsym: return symbol |
| 2342 | anon_sym: anonymous symbol index |
| 2343 | */ |
| 2344 | static int rsym, anon_sym, ind, loc; |
| 2345 | /* expression generation modifiers */ |
| 2346 | static int const_wanted; /* true if constant wanted */ |
| 2347 | static int nocode_wanted; /* true if no code generation wanted for an expression */ |
| 2348 | static int global_expr; /* true if compound literals must be allocated |
| 2349 | globally (used during initializers parsing */ |
| 2350 | static CType func_vt; /* current function return type (used by return |
| 2351 | instruction) */ |
| 2352 | static int func_vc; |
| 2353 | static int last_line_num, last_ind, func_ind; /* debug last line number and pc */ |
| 2354 | static int tok_ident; |
| 2355 | static TokenSym **table_ident; |
| 2356 | static TokenSym *hash_ident[TOK_HASH_SIZE]; |
| 2357 | static char token_buf[STRING_MAX_SIZE + 1]; |
| 2358 | static char *funcname; |
| 2359 | static Sym *global_stack, *local_stack; |
| 2360 | static Sym *define_stack; |
| 2361 | static Sym *global_label_stack, *local_label_stack; |
| 2362 | /* symbol allocator */ |
| 2363 | #define SYM_POOL_NB (8192 / sizeof(Sym)) |
| 2364 | static Sym *sym_free_first; |
| 2365 | |
| 2366 | static SValue vstack[VSTACK_SIZE], *vtop; |
| 2367 | /* some predefined types */ |
| 2368 | static CType char_pointer_type, func_old_type, int_type; |
| 2369 | /* true if isid(c) || isnum(c) */ |
| 2370 | static unsigned char isidnum_table[256]; |
| 2371 | |
| 2372 | /* compile with debug symbol (and use them if error during execution) */ |
| 2373 | static int do_debug = 0; |
| 2374 | |
| 2375 | /* compile with built-in memory and bounds checker */ |
| 2376 | static int do_bounds_check = 0; |
| 2377 | |
| 2378 | /* display benchmark infos */ |
| 2379 | #if !defined(LIBTCC) |
| 2380 | static int do_bench = 0; |
| 2381 | #endif |
| 2382 | static int total_lines; |
| 2383 | static int total_bytes; |
| 2384 | |
| 2385 | /* use GNU C extensions */ |
| 2386 | static int gnu_ext = 1; |
| 2387 | |
| 2388 | /* use Tiny C extensions */ |
| 2389 | static int tcc_ext = 1; |
| 2390 | |
| 2391 | /* max number of callers shown if error */ |
| 2392 | static int num_callers = 6; |
| 2393 | static const char **rt_bound_error_msg; |
| 2394 | |
| 2395 | /* XXX: get rid of this ASAP */ |
| 2396 | static struct TCCState *tcc_state; |
| 2397 | |
| 2398 | /* give the path of the tcc libraries */ |
| 2399 | static const char *tcc_lib_path = CONFIG_TCCDIR; |
| 2400 | |
| 2401 | struct TCCState { |
| 2402 | int output_type; |
| 2403 | |
| 2404 | BufferedFile **include_stack_ptr; |
| 2405 | int *ifdef_stack_ptr; |
| 2406 | |
| 2407 | /* include file handling */ |
| 2408 | char **include_paths; |
| 2409 | int nb_include_paths; |
| 2410 | char **sysinclude_paths; |
| 2411 | int nb_sysinclude_paths; |
| 2412 | CachedInclude **cached_includes; |
| 2413 | int nb_cached_includes; |
| 2414 | |
| 2415 | char **library_paths; |
| 2416 | int nb_library_paths; |
| 2417 | |
| 2418 | /* array of all loaded dlls (including those referenced by loaded |
| 2419 | dlls) */ |
| 2420 | DLLReference **loaded_dlls; |
| 2421 | int nb_loaded_dlls; |
| 2422 | |
| 2423 | /* sections */ |
| 2424 | Section **sections; |
| 2425 | int nb_sections; /* number of sections, including first dummy section */ |
| 2426 | |
| 2427 | /* got handling */ |
| 2428 | Section *got; |
| 2429 | Section *plt; |
| 2430 | unsigned long *got_offsets; |
| 2431 | int nb_got_offsets; |
| 2432 | /* give the correspondance from symtab indexes to dynsym indexes */ |
| 2433 | int *symtab_to_dynsym; |
| 2434 | |
| 2435 | /* temporary dynamic symbol sections (for dll loading) */ |
| 2436 | Section *dynsymtab_section; |
| 2437 | /* exported dynamic symbol section */ |
| 2438 | Section *dynsym; |
| 2439 | |
| 2440 | int nostdinc; /* if true, no standard headers are added */ |
| 2441 | int nostdlib; /* if true, no standard libraries are added */ |
| 2442 | |
| 2443 | int nocommon; /* if true, do not use common symbols for .bss data */ |
| 2444 | |
| 2445 | /* if true, static linking is performed */ |
| 2446 | int static_link; |
| 2447 | |
| 2448 | /* if true, all symbols are exported */ |
| 2449 | int rdynamic; |
| 2450 | |
| 2451 | /* if true, only link in referenced objects from archive */ |
| 2452 | int alacarte_link; |
| 2453 | |
| 2454 | /* address of text section */ |
| 2455 | unsigned long text_addr; |
| 2456 | int has_text_addr; |
| 2457 | |
| 2458 | /* output format, see TCC_OUTPUT_FORMAT_xxx */ |
| 2459 | int output_format; |
| 2460 | |
| 2461 | /* C language options */ |
| 2462 | int char_is_unsigned; |
| 2463 | int leading_underscore; |
| 2464 | |
| 2465 | /* warning switches */ |
| 2466 | int warn_write_strings; |
| 2467 | int warn_unsupported; |
| 2468 | int warn_error; |
| 2469 | int warn_none; |
| 2470 | int warn_implicit_function_declaration; |
| 2471 | |
| 2472 | /* error handling */ |
| 2473 | void *error_opaque; |
| 2474 | void (*error_func)(void *opaque, const char *msg); |
| 2475 | int error_set_jmp_enabled; |
| 2476 | jmp_buf error_jmp_buf; |
| 2477 | int nb_errors; |
| 2478 | |
| 2479 | /* tiny assembler state */ |
| 2480 | Sym *asm_labels; |
| 2481 | |
| 2482 | /* see include_stack_ptr */ |
| 2483 | BufferedFile *include_stack[INCLUDE_STACK_SIZE]; |
| 2484 | |
| 2485 | /* see ifdef_stack_ptr */ |
| 2486 | int ifdef_stack[IFDEF_STACK_SIZE]; |
| 2487 | |
| 2488 | /* see cached_includes */ |
| 2489 | int cached_includes_hash[CACHED_INCLUDES_HASH_SIZE]; |
| 2490 | |
| 2491 | /* pack stack */ |
| 2492 | int pack_stack[PACK_STACK_SIZE]; |
| 2493 | int *pack_stack_ptr; |
| 2494 | }; |
| 2495 | |
| 2496 | /* The current value can be: */ |
| 2497 | #define VT_VALMASK 0x00ff |
| 2498 | #define VT_CONST 0x00f0 /* constant in vc |
| 2499 | (must be first non register value) */ |
| 2500 | #define VT_LLOCAL 0x00f1 /* lvalue, offset on stack */ |
| 2501 | #define VT_LOCAL 0x00f2 /* offset on stack */ |
| 2502 | #define VT_CMP 0x00f3 /* the value is stored in processor flags (in vc) */ |
| 2503 | #define VT_JMP 0x00f4 /* value is the consequence of jmp true (even) */ |
| 2504 | #define VT_JMPI 0x00f5 /* value is the consequence of jmp false (odd) */ |
| 2505 | #define VT_LVAL 0x0100 /* var is an lvalue */ |
| 2506 | #define VT_SYM 0x0200 /* a symbol value is added */ |
| 2507 | #define VT_MUSTCAST 0x0400 /* value must be casted to be correct (used for |
| 2508 | char/short stored in integer registers) */ |
| 2509 | #define VT_MUSTBOUND 0x0800 /* bound checking must be done before |
| 2510 | dereferencing value */ |
| 2511 | #define VT_BOUNDED 0x8000 /* value is bounded. The address of the |
| 2512 | bounding function call point is in vc */ |
| 2513 | #define VT_LVAL_BYTE 0x1000 /* lvalue is a byte */ |
| 2514 | #define VT_LVAL_SHORT 0x2000 /* lvalue is a short */ |
| 2515 | #define VT_LVAL_UNSIGNED 0x4000 /* lvalue is unsigned */ |
| 2516 | #define VT_LVAL_TYPE (VT_LVAL_BYTE | VT_LVAL_SHORT | VT_LVAL_UNSIGNED) |
| 2517 | |
| 2518 | /* types */ |
| 2519 | #define VT_INT 0 /* integer type */ |
| 2520 | #define VT_BYTE 1 /* signed byte type */ |
| 2521 | #define VT_SHORT 2 /* short type */ |
| 2522 | #define VT_VOID 3 /* void type */ |
| 2523 | #define VT_PTR 4 /* pointer */ |
| 2524 | #define VT_ENUM 5 /* enum definition */ |
| 2525 | #define VT_FUNC 6 /* function type */ |
| 2526 | #define VT_STRUCT 7 /* struct/union definition */ |
| 2527 | #define VT_FLOAT 8 /* IEEE float */ |
| 2528 | #define VT_DOUBLE 9 /* IEEE double */ |
| 2529 | #define VT_LDOUBLE 10 /* IEEE long double */ |
| 2530 | #define VT_BOOL 11 /* ISOC99 boolean type */ |
| 2531 | #define VT_LLONG 12 /* 64 bit integer */ |
| 2532 | #define VT_LONG 13 /* long integer (NEVER USED as type, only |
| 2533 | during parsing) */ |
| 2534 | #define VT_BTYPE 0x000f /* mask for basic type */ |
| 2535 | #define VT_UNSIGNED 0x0010 /* unsigned type */ |
| 2536 | #define VT_ARRAY 0x0020 /* array type (also has VT_PTR) */ |
| 2537 | #define VT_BITFIELD 0x0040 /* bitfield modifier */ |
| 2538 | #define VT_CONSTANT 0x0800 /* const modifier */ |
| 2539 | #define VT_VOLATILE 0x1000 /* volatile modifier */ |
| 2540 | #define VT_SIGNED 0x2000 /* signed type */ |
| 2541 | |
| 2542 | /* storage */ |
| 2543 | #define VT_EXTERN 0x00000080 /* extern definition */ |
| 2544 | #define VT_STATIC 0x00000100 /* static variable */ |
| 2545 | #define VT_TYPEDEF 0x00000200 /* typedef definition */ |
| 2546 | #define VT_INLINE 0x00000400 /* inline definition */ |
| 2547 | |
| 2548 | #define VT_STRUCT_SHIFT 16 /* shift for bitfield shift values */ |
| 2549 | |
| 2550 | /* type mask (except storage) */ |
| 2551 | #define VT_STORAGE (VT_EXTERN | VT_STATIC | VT_TYPEDEF | VT_INLINE) |
| 2552 | #define VT_TYPE (~(VT_STORAGE)) |
| 2553 | |
| 2554 | /* token values */ |
| 2555 | |
| 2556 | /* warning: the following compare tokens depend on i386 asm code */ |
| 2557 | #define TOK_ULT 0x92 |
| 2558 | #define TOK_UGE 0x93 |
| 2559 | #define TOK_EQ 0x94 |
| 2560 | #define TOK_NE 0x95 |
| 2561 | #define TOK_ULE 0x96 |
| 2562 | #define TOK_UGT 0x97 |
| 2563 | #define TOK_LT 0x9c |
| 2564 | #define TOK_GE 0x9d |
| 2565 | #define TOK_LE 0x9e |
| 2566 | #define TOK_GT 0x9f |
| 2567 | |
| 2568 | #define TOK_LAND 0xa0 |
| 2569 | #define TOK_LOR 0xa1 |
| 2570 | |
| 2571 | #define TOK_DEC 0xa2 |
| 2572 | #define TOK_MID 0xa3 /* inc/dec, to void constant */ |
| 2573 | #define TOK_INC 0xa4 |
| 2574 | #define TOK_UDIV 0xb0 /* unsigned division */ |
| 2575 | #define TOK_UMOD 0xb1 /* unsigned modulo */ |
| 2576 | #define TOK_PDIV 0xb2 /* fast division with undefined rounding for pointers */ |
| 2577 | #define TOK_CINT 0xb3 /* number in tokc */ |
| 2578 | #define TOK_CCHAR 0xb4 /* char constant in tokc */ |
| 2579 | #define TOK_STR 0xb5 /* pointer to string in tokc */ |
| 2580 | #define TOK_TWOSHARPS 0xb6 /* ## preprocessing token */ |
| 2581 | #define TOK_LCHAR 0xb7 |
| 2582 | #define TOK_LSTR 0xb8 |
| 2583 | #define TOK_CFLOAT 0xb9 /* float constant */ |
| 2584 | #define TOK_LINENUM 0xba /* line number info */ |
| 2585 | #define TOK_CDOUBLE 0xc0 /* double constant */ |
| 2586 | #define TOK_CLDOUBLE 0xc1 /* long double constant */ |
| 2587 | #define TOK_UMULL 0xc2 /* unsigned 32x32 -> 64 mul */ |
| 2588 | #define TOK_ADDC1 0xc3 /* add with carry generation */ |
| 2589 | #define TOK_ADDC2 0xc4 /* add with carry use */ |
| 2590 | #define TOK_SUBC1 0xc5 /* add with carry generation */ |
| 2591 | #define TOK_SUBC2 0xc6 /* add with carry use */ |
| 2592 | #define TOK_CUINT 0xc8 /* unsigned int constant */ |
| 2593 | #define TOK_CLLONG 0xc9 /* long long constant */ |
| 2594 | #define TOK_CULLONG 0xca /* unsigned long long constant */ |
| 2595 | #define TOK_ARROW 0xcb |
| 2596 | #define TOK_DOTS 0xcc /* three dots */ |
| 2597 | #define TOK_SHR 0xcd /* unsigned shift right */ |
| 2598 | #define TOK_PPNUM 0xce /* preprocessor number */ |
| 2599 | |
| 2600 | #define TOK_SHL 0x01 /* shift left */ |
| 2601 | #define TOK_SAR 0x02 /* signed shift right */ |
| 2602 | |
| 2603 | /* assignement operators : normal operator or 0x80 */ |
| 2604 | #define TOK_A_MOD 0xa5 |
| 2605 | #define TOK_A_AND 0xa6 |
| 2606 | #define TOK_A_MUL 0xaa |
| 2607 | #define TOK_A_ADD 0xab |
| 2608 | #define TOK_A_SUB 0xad |
| 2609 | #define TOK_A_DIV 0xaf |
| 2610 | #define TOK_A_XOR 0xde |
| 2611 | #define TOK_A_OR 0xfc |
| 2612 | #define TOK_A_SHL 0x81 |
| 2613 | #define TOK_A_SAR 0x82 |
| 2614 | |
| 2615 | #ifndef offsetof |
| 2616 | #define offsetof(type, field) ((size_t) &((type *)0)->field) |
| 2617 | #endif |
| 2618 | |
| 2619 | #ifndef countof |
| 2620 | #define countof(tab) (sizeof(tab) / sizeof((tab)[0])) |
| 2621 | #endif |
| 2622 | |
| 2623 | /* WARNING: the content of this string encodes token numbers */ |
| 2624 | static char tok_two_chars[] = "<=\236>=\235!=\225&&\240||\241++\244--\242==\224<<\1>>\2+=\253-=\255*=\252/=\257%=\245&=\246^=\336|=\374->\313..\250##\266"; |
| 2625 | |
| 2626 | #define TOK_EOF (-1) /* end of file */ |
| 2627 | #define TOK_LINEFEED 10 /* line feed */ |
| 2628 | |
| 2629 | /* all identificators and strings have token above that */ |
| 2630 | #define TOK_IDENT 256 |
| 2631 | |
| 2632 | /* only used for i386 asm opcodes definitions */ |
| 2633 | #define DEF_ASM(x) DEF(TOK_ASM_ ## x, #x) |
| 2634 | |
| 2635 | #define DEF_BWL(x) \ |
| 2636 | DEF(TOK_ASM_ ## x ## b, #x "b") \ |
| 2637 | DEF(TOK_ASM_ ## x ## w, #x "w") \ |
| 2638 | DEF(TOK_ASM_ ## x ## l, #x "l") \ |
| 2639 | DEF(TOK_ASM_ ## x, #x) |
| 2640 | |
| 2641 | #define DEF_WL(x) \ |
| 2642 | DEF(TOK_ASM_ ## x ## w, #x "w") \ |
| 2643 | DEF(TOK_ASM_ ## x ## l, #x "l") \ |
| 2644 | DEF(TOK_ASM_ ## x, #x) |
| 2645 | |
| 2646 | #define DEF_FP1(x) \ |
| 2647 | DEF(TOK_ASM_ ## f ## x ## s, "f" #x "s") \ |
| 2648 | DEF(TOK_ASM_ ## fi ## x ## l, "fi" #x "l") \ |
| 2649 | DEF(TOK_ASM_ ## f ## x ## l, "f" #x "l") \ |
| 2650 | DEF(TOK_ASM_ ## fi ## x ## s, "fi" #x "s") |
| 2651 | |
| 2652 | #define DEF_FP(x) \ |
| 2653 | DEF(TOK_ASM_ ## f ## x, "f" #x ) \ |
| 2654 | DEF(TOK_ASM_ ## f ## x ## p, "f" #x "p") \ |
| 2655 | DEF_FP1(x) |
| 2656 | |
| 2657 | #define DEF_ASMTEST(x) \ |
| 2658 | DEF_ASM(x ## o) \ |
| 2659 | DEF_ASM(x ## no) \ |
| 2660 | DEF_ASM(x ## b) \ |
| 2661 | DEF_ASM(x ## c) \ |
| 2662 | DEF_ASM(x ## nae) \ |
| 2663 | DEF_ASM(x ## nb) \ |
| 2664 | DEF_ASM(x ## nc) \ |
| 2665 | DEF_ASM(x ## ae) \ |
| 2666 | DEF_ASM(x ## e) \ |
| 2667 | DEF_ASM(x ## z) \ |
| 2668 | DEF_ASM(x ## ne) \ |
| 2669 | DEF_ASM(x ## nz) \ |
| 2670 | DEF_ASM(x ## be) \ |
| 2671 | DEF_ASM(x ## na) \ |
| 2672 | DEF_ASM(x ## nbe) \ |
| 2673 | DEF_ASM(x ## a) \ |
| 2674 | DEF_ASM(x ## s) \ |
| 2675 | DEF_ASM(x ## ns) \ |
| 2676 | DEF_ASM(x ## p) \ |
| 2677 | DEF_ASM(x ## pe) \ |
| 2678 | DEF_ASM(x ## np) \ |
| 2679 | DEF_ASM(x ## po) \ |
| 2680 | DEF_ASM(x ## l) \ |
| 2681 | DEF_ASM(x ## nge) \ |
| 2682 | DEF_ASM(x ## nl) \ |
| 2683 | DEF_ASM(x ## ge) \ |
| 2684 | DEF_ASM(x ## le) \ |
| 2685 | DEF_ASM(x ## ng) \ |
| 2686 | DEF_ASM(x ## nle) \ |
| 2687 | DEF_ASM(x ## g) |
| 2688 | |
| 2689 | #define TOK_ASM_int TOK_INT |
| 2690 | |
| 2691 | enum tcc_token { |
| 2692 | TOK_LAST = TOK_IDENT - 1, |
| 2693 | #define DEF(id, str) id, |
| 2694 | // njn: inlined tcctok.h |
| 2695 | //#include "tcctok.h" |
| 2696 | //--------------------------------------------------------------------------- |
| 2697 | /* keywords */ |
| 2698 | DEF(TOK_INT, "int") |
| 2699 | DEF(TOK_VOID, "void") |
| 2700 | DEF(TOK_CHAR, "char") |
| 2701 | DEF(TOK_IF, "if") |
| 2702 | DEF(TOK_ELSE, "else") |
| 2703 | DEF(TOK_WHILE, "while") |
| 2704 | DEF(TOK_BREAK, "break") |
| 2705 | DEF(TOK_RETURN, "return") |
| 2706 | DEF(TOK_FOR, "for") |
| 2707 | DEF(TOK_EXTERN, "extern") |
| 2708 | DEF(TOK_STATIC, "static") |
| 2709 | DEF(TOK_UNSIGNED, "unsigned") |
| 2710 | DEF(TOK_GOTO, "goto") |
| 2711 | DEF(TOK_DO, "do") |
| 2712 | DEF(TOK_CONTINUE, "continue") |
| 2713 | DEF(TOK_SWITCH, "switch") |
| 2714 | DEF(TOK_CASE, "case") |
| 2715 | |
| 2716 | DEF(TOK_CONST1, "const") |
| 2717 | DEF(TOK_CONST2, "__const") /* gcc keyword */ |
| 2718 | DEF(TOK_CONST3, "__const__") /* gcc keyword */ |
| 2719 | DEF(TOK_VOLATILE1, "volatile") |
| 2720 | DEF(TOK_VOLATILE2, "__volatile") /* gcc keyword */ |
| 2721 | DEF(TOK_VOLATILE3, "__volatile__") /* gcc keyword */ |
| 2722 | DEF(TOK_LONG, "long") |
| 2723 | DEF(TOK_REGISTER, "register") |
| 2724 | DEF(TOK_SIGNED1, "signed") |
| 2725 | DEF(TOK_SIGNED2, "__signed") /* gcc keyword */ |
| 2726 | DEF(TOK_SIGNED3, "__signed__") /* gcc keyword */ |
| 2727 | DEF(TOK_AUTO, "auto") |
| 2728 | DEF(TOK_INLINE1, "inline") |
| 2729 | DEF(TOK_INLINE2, "__inline") /* gcc keyword */ |
| 2730 | DEF(TOK_INLINE3, "__inline__") /* gcc keyword */ |
| 2731 | DEF(TOK_RESTRICT1, "restrict") |
| 2732 | DEF(TOK_RESTRICT2, "__restrict") |
| 2733 | DEF(TOK_RESTRICT3, "__restrict__") |
| 2734 | DEF(TOK_EXTENSION, "__extension__") /* gcc keyword */ |
| 2735 | |
| 2736 | DEF(TOK_FLOAT, "float") |
| 2737 | DEF(TOK_DOUBLE, "double") |
| 2738 | DEF(TOK_BOOL, "_Bool") |
| 2739 | DEF(TOK_SHORT, "short") |
| 2740 | DEF(TOK_STRUCT, "struct") |
| 2741 | DEF(TOK_UNION, "union") |
| 2742 | DEF(TOK_TYPEDEF, "typedef") |
| 2743 | DEF(TOK_DEFAULT, "default") |
| 2744 | DEF(TOK_ENUM, "enum") |
| 2745 | DEF(TOK_SIZEOF, "sizeof") |
| 2746 | DEF(TOK_ATTRIBUTE1, "__attribute") |
| 2747 | DEF(TOK_ATTRIBUTE2, "__attribute__") |
| 2748 | DEF(TOK_ALIGNOF1, "__alignof") |
| 2749 | DEF(TOK_ALIGNOF2, "__alignof__") |
| 2750 | DEF(TOK_TYPEOF1, "typeof") |
| 2751 | DEF(TOK_TYPEOF2, "__typeof") |
| 2752 | DEF(TOK_TYPEOF3, "__typeof__") |
| 2753 | DEF(TOK_LABEL, "__label__") |
| 2754 | DEF(TOK_ASM1, "asm") |
| 2755 | DEF(TOK_ASM2, "__asm") |
| 2756 | DEF(TOK_ASM3, "__asm__") |
| 2757 | |
| 2758 | /*********************************************************************/ |
| 2759 | /* the following are not keywords. They are included to ease parsing */ |
| 2760 | /* preprocessor only */ |
| 2761 | DEF(TOK_DEFINE, "define") |
| 2762 | DEF(TOK_INCLUDE, "include") |
| 2763 | DEF(TOK_INCLUDE_NEXT, "include_next") |
| 2764 | DEF(TOK_IFDEF, "ifdef") |
| 2765 | DEF(TOK_IFNDEF, "ifndef") |
| 2766 | DEF(TOK_ELIF, "elif") |
| 2767 | DEF(TOK_ENDIF, "endif") |
| 2768 | DEF(TOK_DEFINED, "defined") |
| 2769 | DEF(TOK_UNDEF, "undef") |
| 2770 | DEF(TOK_ERROR, "error") |
| 2771 | DEF(TOK_WARNING, "warning") |
| 2772 | DEF(TOK_LINE, "line") |
| 2773 | DEF(TOK_PRAGMA, "pragma") |
| 2774 | DEF(TOK___LINE__, "__LINE__") |
| 2775 | DEF(TOK___FILE__, "__FILE__") |
| 2776 | DEF(TOK___DATE__, "__DATE__") |
| 2777 | DEF(TOK___TIME__, "__TIME__") |
| 2778 | DEF(TOK___FUNCTION__, "__FUNCTION__") |
| 2779 | DEF(TOK___VA_ARGS__, "__VA_ARGS__") |
| 2780 | |
| 2781 | /* special identifiers */ |
| 2782 | DEF(TOK___FUNC__, "__func__") |
| 2783 | |
| 2784 | /* attribute identifiers */ |
| 2785 | /* XXX: handle all tokens generically since speed is not critical */ |
| 2786 | DEF(TOK_SECTION1, "section") |
| 2787 | DEF(TOK_SECTION2, "__section__") |
| 2788 | DEF(TOK_ALIGNED1, "aligned") |
| 2789 | DEF(TOK_ALIGNED2, "__aligned__") |
| 2790 | DEF(TOK_PACKED1, "packed") |
| 2791 | DEF(TOK_PACKED2, "__packed__") |
| 2792 | DEF(TOK_UNUSED1, "unused") |
| 2793 | DEF(TOK_UNUSED2, "__unused__") |
| 2794 | DEF(TOK_CDECL1, "cdecl") |
| 2795 | DEF(TOK_CDECL2, "__cdecl") |
| 2796 | DEF(TOK_CDECL3, "__cdecl__") |
| 2797 | DEF(TOK_STDCALL1, "stdcall") |
| 2798 | DEF(TOK_STDCALL2, "__stdcall") |
| 2799 | DEF(TOK_STDCALL3, "__stdcall__") |
| 2800 | DEF(TOK_DLLEXPORT, "dllexport") |
| 2801 | DEF(TOK_NORETURN1, "noreturn") |
| 2802 | DEF(TOK_NORETURN2, "__noreturn__") |
| 2803 | DEF(TOK_builtin_types_compatible_p, "__builtin_types_compatible_p") |
| 2804 | DEF(TOK_builtin_constant_p, "__builtin_constant_p") |
| 2805 | DEF(TOK_REGPARM1, "regparm") |
| 2806 | DEF(TOK_REGPARM2, "__regparm__") |
| 2807 | |
| 2808 | /* pragma */ |
| 2809 | DEF(TOK_pack, "pack") |
| 2810 | #if !defined(TCC_TARGET_I386) |
| 2811 | /* already defined for assembler */ |
| 2812 | DEF(TOK_ASM_push, "push") |
| 2813 | DEF(TOK_ASM_pop, "pop") |
| 2814 | #endif |
| 2815 | |
| 2816 | /* builtin functions or variables */ |
| 2817 | DEF(TOK_memcpy, "memcpy") |
| 2818 | DEF(TOK_memset, "memset") |
| 2819 | DEF(TOK_alloca, "alloca") |
| 2820 | DEF(TOK___divdi3, "__divdi3") |
| 2821 | DEF(TOK___moddi3, "__moddi3") |
| 2822 | DEF(TOK___udivdi3, "__udivdi3") |
| 2823 | DEF(TOK___umoddi3, "__umoddi3") |
| 2824 | #if defined(TCC_TARGET_ARM) |
| 2825 | DEF(TOK___divsi3, "__divsi3") |
| 2826 | DEF(TOK___modsi3, "__modsi3") |
| 2827 | DEF(TOK___udivsi3, "__udivsi3") |
| 2828 | DEF(TOK___umodsi3, "__umodsi3") |
| 2829 | DEF(TOK___sardi3, "__ashrdi3") |
| 2830 | DEF(TOK___shrdi3, "__lshrdi3") |
| 2831 | DEF(TOK___shldi3, "__ashldi3") |
| 2832 | DEF(TOK___slltold, "__slltold") |
| 2833 | DEF(TOK___fixunssfsi, "__fixunssfsi") |
| 2834 | DEF(TOK___fixunsdfsi, "__fixunsdfsi") |
| 2835 | DEF(TOK___fixunsxfsi, "__fixunsxfsi") |
| 2836 | DEF(TOK___fixsfdi, "__fixsfdi") |
| 2837 | DEF(TOK___fixdfdi, "__fixdfdi") |
| 2838 | DEF(TOK___fixxfdi, "__fixxfdi") |
| 2839 | #elif defined(TCC_TARGET_C67) |
| 2840 | DEF(TOK__divi, "_divi") |
| 2841 | DEF(TOK__divu, "_divu") |
| 2842 | DEF(TOK__divf, "_divf") |
| 2843 | DEF(TOK__divd, "_divd") |
| 2844 | DEF(TOK__remi, "_remi") |
| 2845 | DEF(TOK__remu, "_remu") |
| 2846 | DEF(TOK___sardi3, "__sardi3") |
| 2847 | DEF(TOK___shrdi3, "__shrdi3") |
| 2848 | DEF(TOK___shldi3, "__shldi3") |
| 2849 | #else |
| 2850 | /* XXX: same names on i386 ? */ |
| 2851 | DEF(TOK___sardi3, "__sardi3") |
| 2852 | DEF(TOK___shrdi3, "__shrdi3") |
| 2853 | DEF(TOK___shldi3, "__shldi3") |
| 2854 | #endif |
| 2855 | DEF(TOK___tcc_int_fpu_control, "__tcc_int_fpu_control") |
| 2856 | DEF(TOK___tcc_fpu_control, "__tcc_fpu_control") |
| 2857 | DEF(TOK___ulltof, "__ulltof") |
| 2858 | DEF(TOK___ulltod, "__ulltod") |
| 2859 | DEF(TOK___ulltold, "__ulltold") |
| 2860 | DEF(TOK___fixunssfdi, "__fixunssfdi") |
| 2861 | DEF(TOK___fixunsdfdi, "__fixunsdfdi") |
| 2862 | DEF(TOK___fixunsxfdi, "__fixunsxfdi") |
| 2863 | DEF(TOK___chkstk, "__chkstk") |
| 2864 | |
| 2865 | /* bound checking symbols */ |
| 2866 | #ifdef CONFIG_TCC_BCHECK |
| 2867 | DEF(TOK___bound_ptr_add, "__bound_ptr_add") |
| 2868 | DEF(TOK___bound_ptr_indir1, "__bound_ptr_indir1") |
| 2869 | DEF(TOK___bound_ptr_indir2, "__bound_ptr_indir2") |
| 2870 | DEF(TOK___bound_ptr_indir4, "__bound_ptr_indir4") |
| 2871 | DEF(TOK___bound_ptr_indir8, "__bound_ptr_indir8") |
| 2872 | DEF(TOK___bound_ptr_indir12, "__bound_ptr_indir12") |
| 2873 | DEF(TOK___bound_ptr_indir16, "__bound_ptr_indir16") |
| 2874 | DEF(TOK___bound_local_new, "__bound_local_new") |
| 2875 | DEF(TOK___bound_local_delete, "__bound_local_delete") |
| 2876 | DEF(TOK_malloc, "malloc") |
| 2877 | DEF(TOK_free, "free") |
| 2878 | DEF(TOK_realloc, "realloc") |
| 2879 | DEF(TOK_memalign, "memalign") |
| 2880 | DEF(TOK_calloc, "calloc") |
| 2881 | DEF(TOK_memmove, "memmove") |
| 2882 | DEF(TOK_strlen, "strlen") |
| 2883 | DEF(TOK_strcpy, "strcpy") |
| 2884 | #endif |
| 2885 | |
| 2886 | /* Tiny Assembler */ |
| 2887 | |
| 2888 | DEF_ASM(byte) |
| 2889 | DEF_ASM(align) |
| 2890 | DEF_ASM(skip) |
| 2891 | DEF_ASM(space) |
| 2892 | DEF_ASM(string) |
| 2893 | DEF_ASM(asciz) |
| 2894 | DEF_ASM(ascii) |
| 2895 | DEF_ASM(globl) |
| 2896 | DEF_ASM(global) |
| 2897 | DEF_ASM(text) |
| 2898 | DEF_ASM(data) |
| 2899 | DEF_ASM(bss) |
| 2900 | DEF_ASM(previous) |
| 2901 | DEF_ASM(fill) |
| 2902 | DEF_ASM(org) |
| 2903 | DEF_ASM(quad) |
| 2904 | |
| 2905 | #ifdef TCC_TARGET_I386 |
| 2906 | |
| 2907 | /* WARNING: relative order of tokens is important. */ |
| 2908 | DEF_ASM(al) |
| 2909 | DEF_ASM(cl) |
| 2910 | DEF_ASM(dl) |
| 2911 | DEF_ASM(bl) |
| 2912 | DEF_ASM(ah) |
| 2913 | DEF_ASM(ch) |
| 2914 | DEF_ASM(dh) |
| 2915 | DEF_ASM(bh) |
| 2916 | DEF_ASM(ax) |
| 2917 | DEF_ASM(cx) |
| 2918 | DEF_ASM(dx) |
| 2919 | DEF_ASM(bx) |
| 2920 | DEF_ASM(sp) |
| 2921 | DEF_ASM(bp) |
| 2922 | DEF_ASM(si) |
| 2923 | DEF_ASM(di) |
| 2924 | DEF_ASM(eax) |
| 2925 | DEF_ASM(ecx) |
| 2926 | DEF_ASM(edx) |
| 2927 | DEF_ASM(ebx) |
| 2928 | DEF_ASM(esp) |
| 2929 | DEF_ASM(ebp) |
| 2930 | DEF_ASM(esi) |
| 2931 | DEF_ASM(edi) |
| 2932 | DEF_ASM(mm0) |
| 2933 | DEF_ASM(mm1) |
| 2934 | DEF_ASM(mm2) |
| 2935 | DEF_ASM(mm3) |
| 2936 | DEF_ASM(mm4) |
| 2937 | DEF_ASM(mm5) |
| 2938 | DEF_ASM(mm6) |
| 2939 | DEF_ASM(mm7) |
| 2940 | DEF_ASM(xmm0) |
| 2941 | DEF_ASM(xmm1) |
| 2942 | DEF_ASM(xmm2) |
| 2943 | DEF_ASM(xmm3) |
| 2944 | DEF_ASM(xmm4) |
| 2945 | DEF_ASM(xmm5) |
| 2946 | DEF_ASM(xmm6) |
| 2947 | DEF_ASM(xmm7) |
| 2948 | DEF_ASM(cr0) |
| 2949 | DEF_ASM(cr1) |
| 2950 | DEF_ASM(cr2) |
| 2951 | DEF_ASM(cr3) |
| 2952 | DEF_ASM(cr4) |
| 2953 | DEF_ASM(cr5) |
| 2954 | DEF_ASM(cr6) |
| 2955 | DEF_ASM(cr7) |
| 2956 | DEF_ASM(tr0) |
| 2957 | DEF_ASM(tr1) |
| 2958 | DEF_ASM(tr2) |
| 2959 | DEF_ASM(tr3) |
| 2960 | DEF_ASM(tr4) |
| 2961 | DEF_ASM(tr5) |
| 2962 | DEF_ASM(tr6) |
| 2963 | DEF_ASM(tr7) |
| 2964 | DEF_ASM(db0) |
| 2965 | DEF_ASM(db1) |
| 2966 | DEF_ASM(db2) |
| 2967 | DEF_ASM(db3) |
| 2968 | DEF_ASM(db4) |
| 2969 | DEF_ASM(db5) |
| 2970 | DEF_ASM(db6) |
| 2971 | DEF_ASM(db7) |
| 2972 | DEF_ASM(dr0) |
| 2973 | DEF_ASM(dr1) |
| 2974 | DEF_ASM(dr2) |
| 2975 | DEF_ASM(dr3) |
| 2976 | DEF_ASM(dr4) |
| 2977 | DEF_ASM(dr5) |
| 2978 | DEF_ASM(dr6) |
| 2979 | DEF_ASM(dr7) |
| 2980 | DEF_ASM(es) |
| 2981 | DEF_ASM(cs) |
| 2982 | DEF_ASM(ss) |
| 2983 | DEF_ASM(ds) |
| 2984 | DEF_ASM(fs) |
| 2985 | DEF_ASM(gs) |
| 2986 | DEF_ASM(st) |
| 2987 | |
| 2988 | DEF_BWL(mov) |
| 2989 | |
| 2990 | /* generic two operands */ |
| 2991 | DEF_BWL(add) |
| 2992 | DEF_BWL(or) |
| 2993 | DEF_BWL(adc) |
| 2994 | DEF_BWL(sbb) |
| 2995 | DEF_BWL(and) |
| 2996 | DEF_BWL(sub) |
| 2997 | DEF_BWL(xor) |
| 2998 | DEF_BWL(cmp) |
| 2999 | |
| 3000 | /* unary ops */ |
| 3001 | DEF_BWL(inc) |
| 3002 | DEF_BWL(dec) |
| 3003 | DEF_BWL(not) |
| 3004 | DEF_BWL(neg) |
| 3005 | DEF_BWL(mul) |
| 3006 | DEF_BWL(imul) |
| 3007 | DEF_BWL(div) |
| 3008 | DEF_BWL(idiv) |
| 3009 | |
| 3010 | DEF_BWL(xchg) |
| 3011 | DEF_BWL(test) |
| 3012 | |
| 3013 | /* shifts */ |
| 3014 | DEF_BWL(rol) |
| 3015 | DEF_BWL(ror) |
| 3016 | DEF_BWL(rcl) |
| 3017 | DEF_BWL(rcr) |
| 3018 | DEF_BWL(shl) |
| 3019 | DEF_BWL(shr) |
| 3020 | DEF_BWL(sar) |
| 3021 | |
| 3022 | DEF_ASM(shldw) |
| 3023 | DEF_ASM(shldl) |
| 3024 | DEF_ASM(shld) |
| 3025 | DEF_ASM(shrdw) |
| 3026 | DEF_ASM(shrdl) |
| 3027 | DEF_ASM(shrd) |
| 3028 | |
| 3029 | DEF_ASM(pushw) |
| 3030 | DEF_ASM(pushl) |
| 3031 | DEF_ASM(push) |
| 3032 | DEF_ASM(popw) |
| 3033 | DEF_ASM(popl) |
| 3034 | DEF_ASM(pop) |
| 3035 | DEF_BWL(in) |
| 3036 | DEF_BWL(out) |
| 3037 | |
| 3038 | DEF_WL(movzb) |
| 3039 | |
| 3040 | DEF_ASM(movzwl) |
| 3041 | DEF_ASM(movsbw) |
| 3042 | DEF_ASM(movsbl) |
| 3043 | DEF_ASM(movswl) |
| 3044 | |
| 3045 | DEF_WL(lea) |
| 3046 | |
| 3047 | DEF_ASM(les) |
| 3048 | DEF_ASM(lds) |
| 3049 | DEF_ASM(lss) |
| 3050 | DEF_ASM(lfs) |
| 3051 | DEF_ASM(lgs) |
| 3052 | |
| 3053 | DEF_ASM(call) |
| 3054 | DEF_ASM(jmp) |
| 3055 | DEF_ASM(lcall) |
| 3056 | DEF_ASM(ljmp) |
| 3057 | |
| 3058 | DEF_ASMTEST(j) |
| 3059 | |
| 3060 | DEF_ASMTEST(set) |
| 3061 | DEF_ASMTEST(cmov) |
| 3062 | |
| 3063 | DEF_WL(bsf) |
| 3064 | DEF_WL(bsr) |
| 3065 | DEF_WL(bt) |
| 3066 | DEF_WL(bts) |
| 3067 | DEF_WL(btr) |
| 3068 | DEF_WL(btc) |
| 3069 | |
| 3070 | DEF_WL(lsl) |
| 3071 | |
| 3072 | /* generic FP ops */ |
| 3073 | DEF_FP(add) |
| 3074 | DEF_FP(mul) |
| 3075 | |
| 3076 | DEF_ASM(fcom) |
| 3077 | DEF_ASM(fcom_1) /* non existant op, just to have a regular table */ |
| 3078 | DEF_FP1(com) |
| 3079 | |
| 3080 | DEF_FP(comp) |
| 3081 | DEF_FP(sub) |
| 3082 | DEF_FP(subr) |
| 3083 | DEF_FP(div) |
| 3084 | DEF_FP(divr) |
| 3085 | |
| 3086 | DEF_BWL(xadd) |
| 3087 | DEF_BWL(cmpxchg) |
| 3088 | |
| 3089 | /* string ops */ |
| 3090 | DEF_BWL(cmps) |
| 3091 | DEF_BWL(scmp) |
| 3092 | DEF_BWL(ins) |
| 3093 | DEF_BWL(outs) |
| 3094 | DEF_BWL(lods) |
| 3095 | DEF_BWL(slod) |
| 3096 | DEF_BWL(movs) |
| 3097 | DEF_BWL(smov) |
| 3098 | DEF_BWL(scas) |
| 3099 | DEF_BWL(ssca) |
| 3100 | DEF_BWL(stos) |
| 3101 | DEF_BWL(ssto) |
| 3102 | |
| 3103 | /* generic asm ops */ |
| 3104 | |
| 3105 | #define ALT(x) |
| 3106 | #define DEF_ASM_OP0(name, opcode) DEF_ASM(name) |
| 3107 | #define DEF_ASM_OP0L(name, opcode, group, instr_type) |
| 3108 | #define DEF_ASM_OP1(name, opcode, group, instr_type, op0) |
| 3109 | #define DEF_ASM_OP2(name, opcode, group, instr_type, op0, op1) |
| 3110 | #define DEF_ASM_OP3(name, opcode, group, instr_type, op0, op1, op2) |
| 3111 | // njn: inlined i386-asm.h |
| 3112 | //#include "i386-asm.h" |
| 3113 | //--------------------------------------------------------------------------- |
| 3114 | DEF_ASM_OP0(pusha, 0x60) /* must be first OP0 */ |
| 3115 | DEF_ASM_OP0(popa, 0x61) |
| 3116 | DEF_ASM_OP0(clc, 0xf8) |
| 3117 | DEF_ASM_OP0(cld, 0xfc) |
| 3118 | DEF_ASM_OP0(cli, 0xfa) |
| 3119 | DEF_ASM_OP0(clts, 0x0f06) |
| 3120 | DEF_ASM_OP0(cmc, 0xf5) |
| 3121 | DEF_ASM_OP0(lahf, 0x9f) |
| 3122 | DEF_ASM_OP0(sahf, 0x9e) |
| 3123 | DEF_ASM_OP0(pushfl, 0x9c) |
| 3124 | DEF_ASM_OP0(popfl, 0x9d) |
| 3125 | DEF_ASM_OP0(pushf, 0x9c) |
| 3126 | DEF_ASM_OP0(popf, 0x9d) |
| 3127 | DEF_ASM_OP0(stc, 0xf9) |
| 3128 | DEF_ASM_OP0(std, 0xfd) |
| 3129 | DEF_ASM_OP0(sti, 0xfb) |
| 3130 | DEF_ASM_OP0(aaa, 0x37) |
| 3131 | DEF_ASM_OP0(aas, 0x3f) |
| 3132 | DEF_ASM_OP0(daa, 0x27) |
| 3133 | DEF_ASM_OP0(das, 0x2f) |
| 3134 | DEF_ASM_OP0(aad, 0xd50a) |
| 3135 | DEF_ASM_OP0(aam, 0xd40a) |
| 3136 | DEF_ASM_OP0(cbw, 0x6698) |
| 3137 | DEF_ASM_OP0(cwd, 0x6699) |
| 3138 | DEF_ASM_OP0(cwde, 0x98) |
| 3139 | DEF_ASM_OP0(cdq, 0x99) |
| 3140 | DEF_ASM_OP0(cbtw, 0x6698) |
| 3141 | DEF_ASM_OP0(cwtl, 0x98) |
| 3142 | DEF_ASM_OP0(cwtd, 0x6699) |
| 3143 | DEF_ASM_OP0(cltd, 0x99) |
| 3144 | DEF_ASM_OP0(int3, 0xcc) |
| 3145 | DEF_ASM_OP0(into, 0xce) |
| 3146 | DEF_ASM_OP0(iret, 0xcf) |
| 3147 | DEF_ASM_OP0(rsm, 0x0faa) |
| 3148 | DEF_ASM_OP0(hlt, 0xf4) |
| 3149 | DEF_ASM_OP0(wait, 0x9b) |
| 3150 | DEF_ASM_OP0(nop, 0x90) |
| 3151 | DEF_ASM_OP0(xlat, 0xd7) |
| 3152 | |
| 3153 | /* strings */ |
| 3154 | ALT(DEF_ASM_OP0L(cmpsb, 0xa6, 0, OPC_BWL)) |
| 3155 | ALT(DEF_ASM_OP0L(scmpb, 0xa6, 0, OPC_BWL)) |
| 3156 | |
| 3157 | ALT(DEF_ASM_OP0L(insb, 0x6c, 0, OPC_BWL)) |
| 3158 | ALT(DEF_ASM_OP0L(outsb, 0x6e, 0, OPC_BWL)) |
| 3159 | |
| 3160 | ALT(DEF_ASM_OP0L(lodsb, 0xac, 0, OPC_BWL)) |
| 3161 | ALT(DEF_ASM_OP0L(slodb, 0xac, 0, OPC_BWL)) |
| 3162 | |
| 3163 | ALT(DEF_ASM_OP0L(movsb, 0xa4, 0, OPC_BWL)) |
| 3164 | ALT(DEF_ASM_OP0L(smovb, 0xa4, 0, OPC_BWL)) |
| 3165 | |
| 3166 | ALT(DEF_ASM_OP0L(scasb, 0xae, 0, OPC_BWL)) |
| 3167 | ALT(DEF_ASM_OP0L(sscab, 0xae, 0, OPC_BWL)) |
| 3168 | |
| 3169 | ALT(DEF_ASM_OP0L(stosb, 0xaa, 0, OPC_BWL)) |
| 3170 | ALT(DEF_ASM_OP0L(sstob, 0xaa, 0, OPC_BWL)) |
| 3171 | |
| 3172 | /* bits */ |
| 3173 | |
| 3174 | ALT(DEF_ASM_OP2(bsfw, 0x0fbc, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA, OPT_REGW)) |
| 3175 | ALT(DEF_ASM_OP2(bsrw, 0x0fbd, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA, OPT_REGW)) |
| 3176 | |
| 3177 | ALT(DEF_ASM_OP2(btw, 0x0fa3, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) |
| 3178 | ALT(DEF_ASM_OP2(btw, 0x0fba, 4, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) |
| 3179 | |
| 3180 | ALT(DEF_ASM_OP2(btsw, 0x0fab, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) |
| 3181 | ALT(DEF_ASM_OP2(btsw, 0x0fba, 5, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) |
| 3182 | |
| 3183 | ALT(DEF_ASM_OP2(btrw, 0x0fb3, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) |
| 3184 | ALT(DEF_ASM_OP2(btrw, 0x0fba, 6, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) |
| 3185 | |
| 3186 | ALT(DEF_ASM_OP2(btcw, 0x0fbb, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) |
| 3187 | ALT(DEF_ASM_OP2(btcw, 0x0fba, 7, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) |
| 3188 | |
| 3189 | /* prefixes */ |
| 3190 | DEF_ASM_OP0(aword, 0x67) |
| 3191 | DEF_ASM_OP0(addr16, 0x67) |
| 3192 | DEF_ASM_OP0(word, 0x66) |
| 3193 | DEF_ASM_OP0(data16, 0x66) |
| 3194 | DEF_ASM_OP0(lock, 0xf0) |
| 3195 | DEF_ASM_OP0(rep, 0xf3) |
| 3196 | DEF_ASM_OP0(repe, 0xf3) |
| 3197 | DEF_ASM_OP0(repz, 0xf3) |
| 3198 | DEF_ASM_OP0(repne, 0xf2) |
| 3199 | DEF_ASM_OP0(repnz, 0xf2) |
| 3200 | |
| 3201 | DEF_ASM_OP0(invd, 0x0f08) |
| 3202 | DEF_ASM_OP0(wbinvd, 0x0f09) |
| 3203 | DEF_ASM_OP0(cpuid, 0x0fa2) |
| 3204 | DEF_ASM_OP0(wrmsr, 0x0f30) |
| 3205 | DEF_ASM_OP0(rdtsc, 0x0f31) |
| 3206 | DEF_ASM_OP0(rdmsr, 0x0f32) |
| 3207 | DEF_ASM_OP0(rdpmc, 0x0f33) |
| 3208 | DEF_ASM_OP0(ud2, 0x0f0b) |
| 3209 | |
| 3210 | /* NOTE: we took the same order as gas opcode definition order */ |
| 3211 | ALT(DEF_ASM_OP2(movb, 0xa0, 0, OPC_BWL, OPT_ADDR, OPT_EAX)) |
| 3212 | ALT(DEF_ASM_OP2(movb, 0xa2, 0, OPC_BWL, OPT_EAX, OPT_ADDR)) |
| 3213 | ALT(DEF_ASM_OP2(movb, 0x88, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) |
| 3214 | ALT(DEF_ASM_OP2(movb, 0x8a, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) |
| 3215 | ALT(DEF_ASM_OP2(movb, 0xb0, 0, OPC_REG | OPC_BWL, OPT_IM, OPT_REG)) |
| 3216 | ALT(DEF_ASM_OP2(movb, 0xc6, 0, OPC_MODRM | OPC_BWL, OPT_IM, OPT_REG | OPT_EA)) |
| 3217 | |
| 3218 | ALT(DEF_ASM_OP2(movw, 0x8c, 0, OPC_MODRM | OPC_WL, OPT_SEG, OPT_EA | OPT_REG)) |
| 3219 | ALT(DEF_ASM_OP2(movw, 0x8e, 0, OPC_MODRM | OPC_WL, OPT_EA | OPT_REG, OPT_SEG)) |
| 3220 | |
| 3221 | ALT(DEF_ASM_OP2(movw, 0x0f20, 0, OPC_MODRM | OPC_WL, OPT_CR, OPT_REG32)) |
| 3222 | ALT(DEF_ASM_OP2(movw, 0x0f21, 0, OPC_MODRM | OPC_WL, OPT_DB, OPT_REG32)) |
| 3223 | ALT(DEF_ASM_OP2(movw, 0x0f24, 0, OPC_MODRM | OPC_WL, OPT_TR, OPT_REG32)) |
| 3224 | ALT(DEF_ASM_OP2(movw, 0x0f22, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_CR)) |
| 3225 | ALT(DEF_ASM_OP2(movw, 0x0f23, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_DB)) |
| 3226 | ALT(DEF_ASM_OP2(movw, 0x0f26, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_TR)) |
| 3227 | |
| 3228 | ALT(DEF_ASM_OP2(movsbl, 0x0fbe, 0, OPC_MODRM, OPT_REG8 | OPT_EA, OPT_REG32)) |
| 3229 | ALT(DEF_ASM_OP2(movsbw, 0x0fbe, 0, OPC_MODRM | OPC_D16, OPT_REG8 | OPT_EA, OPT_REG16)) |
| 3230 | ALT(DEF_ASM_OP2(movswl, 0x0fbf, 0, OPC_MODRM, OPT_REG16 | OPT_EA, OPT_REG32)) |
| 3231 | ALT(DEF_ASM_OP2(movzbw, 0x0fb6, 0, OPC_MODRM | OPC_WL, OPT_REG8 | OPT_EA, OPT_REGW)) |
| 3232 | ALT(DEF_ASM_OP2(movzwl, 0x0fb7, 0, OPC_MODRM, OPT_REG16 | OPT_EA, OPT_REG32)) |
| 3233 | |
| 3234 | ALT(DEF_ASM_OP1(pushw, 0x50, 0, OPC_REG | OPC_WL, OPT_REGW)) |
| 3235 | ALT(DEF_ASM_OP1(pushw, 0xff, 6, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA)) |
| 3236 | ALT(DEF_ASM_OP1(pushw, 0x6a, 0, OPC_WL, OPT_IM8S)) |
| 3237 | ALT(DEF_ASM_OP1(pushw, 0x68, 0, OPC_WL, OPT_IM32)) |
| 3238 | ALT(DEF_ASM_OP1(pushw, 0x06, 0, OPC_WL, OPT_SEG)) |
| 3239 | |
| 3240 | ALT(DEF_ASM_OP1(popw, 0x58, 0, OPC_REG | OPC_WL, OPT_REGW)) |
| 3241 | ALT(DEF_ASM_OP1(popw, 0x8f, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA)) |
| 3242 | ALT(DEF_ASM_OP1(popw, 0x07, 0, OPC_WL, OPT_SEG)) |
| 3243 | |
| 3244 | ALT(DEF_ASM_OP2(xchgw, 0x90, 0, OPC_REG | OPC_WL, OPT_REG, OPT_EAX)) |
| 3245 | ALT(DEF_ASM_OP2(xchgw, 0x90, 0, OPC_REG | OPC_WL, OPT_EAX, OPT_REG)) |
| 3246 | ALT(DEF_ASM_OP2(xchgb, 0x86, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) |
| 3247 | ALT(DEF_ASM_OP2(xchgb, 0x86, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) |
| 3248 | |
| 3249 | ALT(DEF_ASM_OP2(inb, 0xe4, 0, OPC_BWL, OPT_IM8, OPT_EAX)) |
| 3250 | ALT(DEF_ASM_OP1(inb, 0xe4, 0, OPC_BWL, OPT_IM8)) |
| 3251 | ALT(DEF_ASM_OP2(inb, 0xec, 0, OPC_BWL, OPT_DX, OPT_EAX)) |
| 3252 | ALT(DEF_ASM_OP1(inb, 0xec, 0, OPC_BWL, OPT_DX)) |
| 3253 | |
| 3254 | ALT(DEF_ASM_OP2(outb, 0xe6, 0, OPC_BWL, OPT_EAX, OPT_IM8)) |
| 3255 | ALT(DEF_ASM_OP1(outb, 0xe6, 0, OPC_BWL, OPT_IM8)) |
| 3256 | ALT(DEF_ASM_OP2(outb, 0xee, 0, OPC_BWL, OPT_EAX, OPT_DX)) |
| 3257 | ALT(DEF_ASM_OP1(outb, 0xee, 0, OPC_BWL, OPT_DX)) |
| 3258 | |
| 3259 | ALT(DEF_ASM_OP2(leaw, 0x8d, 0, OPC_MODRM | OPC_WL, OPT_EA, OPT_REG)) |
| 3260 | |
| 3261 | ALT(DEF_ASM_OP2(les, 0xc4, 0, OPC_MODRM, OPT_EA, OPT_REG32)) |
| 3262 | ALT(DEF_ASM_OP2(lds, 0xc5, 0, OPC_MODRM, OPT_EA, OPT_REG32)) |
| 3263 | ALT(DEF_ASM_OP2(lss, 0x0fb2, 0, OPC_MODRM, OPT_EA, OPT_REG32)) |
| 3264 | ALT(DEF_ASM_OP2(lfs, 0x0fb4, 0, OPC_MODRM, OPT_EA, OPT_REG32)) |
| 3265 | ALT(DEF_ASM_OP2(lgs, 0x0fb5, 0, OPC_MODRM, OPT_EA, OPT_REG32)) |
| 3266 | |
| 3267 | /* arith */ |
| 3268 | ALT(DEF_ASM_OP2(addb, 0x00, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) /* XXX: use D bit ? */ |
| 3269 | ALT(DEF_ASM_OP2(addb, 0x02, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) |
| 3270 | ALT(DEF_ASM_OP2(addb, 0x04, 0, OPC_ARITH | OPC_BWL, OPT_IM, OPT_EAX)) |
| 3271 | ALT(DEF_ASM_OP2(addb, 0x80, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_IM, OPT_EA | OPT_REG)) |
| 3272 | ALT(DEF_ASM_OP2(addw, 0x83, 0, OPC_ARITH | OPC_MODRM | OPC_WL, OPT_IM8S, OPT_EA | OPT_REG)) |
| 3273 | |
| 3274 | ALT(DEF_ASM_OP2(testb, 0x84, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) |
| 3275 | ALT(DEF_ASM_OP2(testb, 0x84, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) |
| 3276 | ALT(DEF_ASM_OP2(testb, 0xa8, 0, OPC_BWL, OPT_IM, OPT_EAX)) |
| 3277 | ALT(DEF_ASM_OP2(testb, 0xf6, 0, OPC_MODRM | OPC_BWL, OPT_IM, OPT_EA | OPT_REG)) |
| 3278 | |
| 3279 | ALT(DEF_ASM_OP1(incw, 0x40, 0, OPC_REG | OPC_WL, OPT_REGW)) |
| 3280 | ALT(DEF_ASM_OP1(incb, 0xfe, 0, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 3281 | ALT(DEF_ASM_OP1(decw, 0x48, 0, OPC_REG | OPC_WL, OPT_REGW)) |
| 3282 | ALT(DEF_ASM_OP1(decb, 0xfe, 1, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 3283 | |
| 3284 | ALT(DEF_ASM_OP1(notb, 0xf6, 2, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 3285 | ALT(DEF_ASM_OP1(negb, 0xf6, 3, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 3286 | |
| 3287 | ALT(DEF_ASM_OP1(mulb, 0xf6, 4, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 3288 | ALT(DEF_ASM_OP1(imulb, 0xf6, 5, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 3289 | |
| 3290 | ALT(DEF_ASM_OP2(imulw, 0x0faf, 0, OPC_MODRM | OPC_WL, OPT_REG | OPT_EA, OPT_REG)) |
| 3291 | ALT(DEF_ASM_OP3(imulw, 0x6b, 0, OPC_MODRM | OPC_WL, OPT_IM8S, OPT_REGW | OPT_EA, OPT_REGW)) |
| 3292 | ALT(DEF_ASM_OP2(imulw, 0x6b, 0, OPC_MODRM | OPC_WL, OPT_IM8S, OPT_REGW)) |
| 3293 | ALT(DEF_ASM_OP3(imulw, 0x69, 0, OPC_MODRM | OPC_WL, OPT_IMW, OPT_REGW | OPT_EA, OPT_REGW)) |
| 3294 | ALT(DEF_ASM_OP2(imulw, 0x69, 0, OPC_MODRM | OPC_WL, OPT_IMW, OPT_REGW)) |
| 3295 | |
| 3296 | ALT(DEF_ASM_OP1(divb, 0xf6, 6, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 3297 | ALT(DEF_ASM_OP2(divb, 0xf6, 6, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA, OPT_EAX)) |
| 3298 | ALT(DEF_ASM_OP1(idivb, 0xf6, 7, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 3299 | ALT(DEF_ASM_OP2(idivb, 0xf6, 7, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA, OPT_EAX)) |
| 3300 | |
| 3301 | /* shifts */ |
| 3302 | ALT(DEF_ASM_OP2(rolb, 0xc0, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_IM8, OPT_EA | OPT_REG)) |
| 3303 | ALT(DEF_ASM_OP2(rolb, 0xd2, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_CL, OPT_EA | OPT_REG)) |
| 3304 | ALT(DEF_ASM_OP1(rolb, 0xd0, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_EA | OPT_REG)) |
| 3305 | |
| 3306 | ALT(DEF_ASM_OP3(shldw, 0x0fa4, 0, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW, OPT_EA | OPT_REGW)) |
| 3307 | ALT(DEF_ASM_OP3(shldw, 0x0fa5, 0, OPC_MODRM | OPC_WL, OPT_CL, OPT_REGW, OPT_EA | OPT_REGW)) |
| 3308 | ALT(DEF_ASM_OP2(shldw, 0x0fa5, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_EA | OPT_REGW)) |
| 3309 | ALT(DEF_ASM_OP3(shrdw, 0x0fac, 0, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW, OPT_EA | OPT_REGW)) |
| 3310 | ALT(DEF_ASM_OP3(shrdw, 0x0fad, 0, OPC_MODRM | OPC_WL, OPT_CL, OPT_REGW, OPT_EA | OPT_REGW)) |
| 3311 | ALT(DEF_ASM_OP2(shrdw, 0x0fad, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_EA | OPT_REGW)) |
| 3312 | |
| 3313 | ALT(DEF_ASM_OP1(call, 0xff, 2, OPC_MODRM, OPT_INDIR)) |
| 3314 | ALT(DEF_ASM_OP1(call, 0xe8, 0, OPC_JMP, OPT_ADDR)) |
| 3315 | ALT(DEF_ASM_OP1(jmp, 0xff, 4, OPC_MODRM, OPT_INDIR)) |
| 3316 | ALT(DEF_ASM_OP1(jmp, 0xeb, 0, OPC_SHORTJMP | OPC_JMP, OPT_ADDR)) |
| 3317 | |
| 3318 | ALT(DEF_ASM_OP2(lcall, 0x9a, 0, 0, OPT_IM16, OPT_IM32)) |
| 3319 | ALT(DEF_ASM_OP1(lcall, 0xff, 3, 0, OPT_EA)) |
| 3320 | ALT(DEF_ASM_OP2(ljmp, 0xea, 0, 0, OPT_IM16, OPT_IM32)) |
| 3321 | ALT(DEF_ASM_OP1(ljmp, 0xff, 5, 0, OPT_EA)) |
| 3322 | |
| 3323 | ALT(DEF_ASM_OP1(int, 0xcd, 0, 0, OPT_IM8)) |
| 3324 | ALT(DEF_ASM_OP1(seto, 0x0f90, 0, OPC_MODRM | OPC_TEST, OPT_REG8 | OPT_EA)) |
| 3325 | DEF_ASM_OP2(enter, 0xc8, 0, 0, OPT_IM16, OPT_IM8) |
| 3326 | DEF_ASM_OP0(leave, 0xc9) |
| 3327 | DEF_ASM_OP0(ret, 0xc3) |
| 3328 | ALT(DEF_ASM_OP1(ret, 0xc2, 0, 0, OPT_IM16)) |
| 3329 | DEF_ASM_OP0(lret, 0xcb) |
| 3330 | ALT(DEF_ASM_OP1(lret, 0xca, 0, 0, OPT_IM16)) |
| 3331 | |
| 3332 | ALT(DEF_ASM_OP1(jo, 0x70, 0, OPC_SHORTJMP | OPC_JMP | OPC_TEST, OPT_ADDR)) |
| 3333 | DEF_ASM_OP1(loopne, 0xe0, 0, OPC_SHORTJMP, OPT_ADDR) |
| 3334 | DEF_ASM_OP1(loopnz, 0xe0, 0, OPC_SHORTJMP, OPT_ADDR) |
| 3335 | DEF_ASM_OP1(loope, 0xe1, 0, OPC_SHORTJMP, OPT_ADDR) |
| 3336 | DEF_ASM_OP1(loopz, 0xe1, 0, OPC_SHORTJMP, OPT_ADDR) |
| 3337 | DEF_ASM_OP1(loop, 0xe2, 0, OPC_SHORTJMP, OPT_ADDR) |
| 3338 | DEF_ASM_OP1(jecxz, 0xe3, 0, OPC_SHORTJMP, OPT_ADDR) |
| 3339 | |
| 3340 | /* float */ |
| 3341 | /* specific fcomp handling */ |
| 3342 | ALT(DEF_ASM_OP0L(fcomp, 0xd8d9, 0, 0)) |
| 3343 | |
| 3344 | ALT(DEF_ASM_OP1(fadd, 0xd8c0, 0, OPC_FARITH | OPC_REG, OPT_ST)) |
| 3345 | ALT(DEF_ASM_OP2(fadd, 0xd8c0, 0, OPC_FARITH | OPC_REG, OPT_ST, OPT_ST0)) |
| 3346 | ALT(DEF_ASM_OP0L(fadd, 0xdec1, 0, OPC_FARITH)) |
| 3347 | ALT(DEF_ASM_OP1(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST)) |
| 3348 | ALT(DEF_ASM_OP2(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST, OPT_ST0)) |
| 3349 | ALT(DEF_ASM_OP2(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST0, OPT_ST)) |
| 3350 | ALT(DEF_ASM_OP0L(faddp, 0xdec1, 0, OPC_FARITH)) |
| 3351 | ALT(DEF_ASM_OP1(fadds, 0xd8, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) |
| 3352 | ALT(DEF_ASM_OP1(fiaddl, 0xda, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) |
| 3353 | ALT(DEF_ASM_OP1(faddl, 0xdc, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) |
| 3354 | ALT(DEF_ASM_OP1(fiadds, 0xde, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) |
| 3355 | |
| 3356 | DEF_ASM_OP0(fucompp, 0xdae9) |
| 3357 | DEF_ASM_OP0(ftst, 0xd9e4) |
| 3358 | DEF_ASM_OP0(fxam, 0xd9e5) |
| 3359 | DEF_ASM_OP0(fld1, 0xd9e8) |
| 3360 | DEF_ASM_OP0(fldl2t, 0xd9e9) |
| 3361 | DEF_ASM_OP0(fldl2e, 0xd9ea) |
| 3362 | DEF_ASM_OP0(fldpi, 0xd9eb) |
| 3363 | DEF_ASM_OP0(fldlg2, 0xd9ec) |
| 3364 | DEF_ASM_OP0(fldln2, 0xd9ed) |
| 3365 | DEF_ASM_OP0(fldz, 0xd9ee) |
| 3366 | |
| 3367 | DEF_ASM_OP0(f2xm1, 0xd9f0) |
| 3368 | DEF_ASM_OP0(fyl2x, 0xd9f1) |
| 3369 | DEF_ASM_OP0(fptan, 0xd9f2) |
| 3370 | DEF_ASM_OP0(fpatan, 0xd9f3) |
| 3371 | DEF_ASM_OP0(fxtract, 0xd9f4) |
| 3372 | DEF_ASM_OP0(fprem1, 0xd9f5) |
| 3373 | DEF_ASM_OP0(fdecstp, 0xd9f6) |
| 3374 | DEF_ASM_OP0(fincstp, 0xd9f7) |
| 3375 | DEF_ASM_OP0(fprem, 0xd9f8) |
| 3376 | DEF_ASM_OP0(fyl2xp1, 0xd9f9) |
| 3377 | DEF_ASM_OP0(fsqrt, 0xd9fa) |
| 3378 | DEF_ASM_OP0(fsincos, 0xd9fb) |
| 3379 | DEF_ASM_OP0(frndint, 0xd9fc) |
| 3380 | DEF_ASM_OP0(fscale, 0xd9fd) |
| 3381 | DEF_ASM_OP0(fsin, 0xd9fe) |
| 3382 | DEF_ASM_OP0(fcos, 0xd9ff) |
| 3383 | DEF_ASM_OP0(fchs, 0xd9e0) |
| 3384 | DEF_ASM_OP0(fabs, 0xd9e1) |
| 3385 | DEF_ASM_OP0(fninit, 0xdbe3) |
| 3386 | DEF_ASM_OP0(fnclex, 0xdbe2) |
| 3387 | DEF_ASM_OP0(fnop, 0xd9d0) |
| 3388 | DEF_ASM_OP0(fwait, 0x9b) |
| 3389 | |
| 3390 | /* fp load */ |
| 3391 | DEF_ASM_OP1(fld, 0xd9c0, 0, OPC_REG, OPT_ST) |
| 3392 | DEF_ASM_OP1(fldl, 0xd9c0, 0, OPC_REG, OPT_ST) |
| 3393 | DEF_ASM_OP1(flds, 0xd9, 0, OPC_MODRM, OPT_EA) |
| 3394 | ALT(DEF_ASM_OP1(fldl, 0xdd, 0, OPC_MODRM, OPT_EA)) |
| 3395 | DEF_ASM_OP1(fildl, 0xdb, 0, OPC_MODRM, OPT_EA) |
| 3396 | DEF_ASM_OP1(fildq, 0xdf, 5, OPC_MODRM, OPT_EA) |
| 3397 | DEF_ASM_OP1(fildll, 0xdf, 5, OPC_MODRM,OPT_EA) |
| 3398 | DEF_ASM_OP1(fldt, 0xdb, 5, OPC_MODRM, OPT_EA) |
| 3399 | DEF_ASM_OP1(fbld, 0xdf, 4, OPC_MODRM, OPT_EA) |
| 3400 | |
| 3401 | /* fp store */ |
| 3402 | DEF_ASM_OP1(fst, 0xddd0, 0, OPC_REG, OPT_ST) |
| 3403 | DEF_ASM_OP1(fstl, 0xddd0, 0, OPC_REG, OPT_ST) |
| 3404 | DEF_ASM_OP1(fsts, 0xd9, 2, OPC_MODRM, OPT_EA) |
| 3405 | DEF_ASM_OP1(fstps, 0xd9, 3, OPC_MODRM, OPT_EA) |
| 3406 | ALT(DEF_ASM_OP1(fstl, 0xdd, 2, OPC_MODRM, OPT_EA)) |
| 3407 | DEF_ASM_OP1(fstpl, 0xdd, 3, OPC_MODRM, OPT_EA) |
| 3408 | DEF_ASM_OP1(fist, 0xdf, 2, OPC_MODRM, OPT_EA) |
| 3409 | DEF_ASM_OP1(fistp, 0xdf, 3, OPC_MODRM, OPT_EA) |
| 3410 | DEF_ASM_OP1(fistl, 0xdb, 2, OPC_MODRM, OPT_EA) |
| 3411 | DEF_ASM_OP1(fistpl, 0xdb, 3, OPC_MODRM, OPT_EA) |
| 3412 | |
| 3413 | DEF_ASM_OP1(fstp, 0xddd8, 0, OPC_REG, OPT_ST) |
| 3414 | DEF_ASM_OP1(fistpq, 0xdf, 7, OPC_MODRM, OPT_EA) |
| 3415 | DEF_ASM_OP1(fistpll, 0xdf, 7, OPC_MODRM, OPT_EA) |
| 3416 | DEF_ASM_OP1(fstpt, 0xdb, 7, OPC_MODRM, OPT_EA) |
| 3417 | DEF_ASM_OP1(fbstp, 0xdf, 6, OPC_MODRM, OPT_EA) |
| 3418 | |
| 3419 | /* exchange */ |
| 3420 | DEF_ASM_OP0(fxch, 0xd9c9) |
| 3421 | ALT(DEF_ASM_OP1(fxch, 0xd9c8, 0, OPC_REG, OPT_ST)) |
| 3422 | |
| 3423 | /* misc FPU */ |
| 3424 | DEF_ASM_OP1(fucom, 0xdde0, 0, OPC_REG, OPT_ST ) |
| 3425 | DEF_ASM_OP1(fucomp, 0xdde8, 0, OPC_REG, OPT_ST ) |
| 3426 | |
| 3427 | DEF_ASM_OP0L(finit, 0xdbe3, 0, OPC_FWAIT) |
| 3428 | DEF_ASM_OP1(fldcw, 0xd9, 5, OPC_MODRM, OPT_EA ) |
| 3429 | DEF_ASM_OP1(fnstcw, 0xd9, 7, OPC_MODRM, OPT_EA ) |
| 3430 | DEF_ASM_OP1(fstcw, 0xd9, 7, OPC_MODRM | OPC_FWAIT, OPT_EA ) |
| 3431 | DEF_ASM_OP0(fnstsw, 0xdfe0) |
| 3432 | ALT(DEF_ASM_OP1(fnstsw, 0xdfe0, 0, 0, OPT_EAX )) |
| 3433 | ALT(DEF_ASM_OP1(fnstsw, 0xdd, 7, OPC_MODRM, OPT_EA )) |
| 3434 | DEF_ASM_OP1(fstsw, 0xdfe0, 0, OPC_FWAIT, OPT_EAX ) |
| 3435 | ALT(DEF_ASM_OP0L(fstsw, 0xdfe0, 0, OPC_FWAIT)) |
| 3436 | ALT(DEF_ASM_OP1(fstsw, 0xdd, 7, OPC_MODRM | OPC_FWAIT, OPT_EA )) |
| 3437 | DEF_ASM_OP0L(fclex, 0xdbe2, 0, OPC_FWAIT) |
| 3438 | DEF_ASM_OP1(fnstenv, 0xd9, 6, OPC_MODRM, OPT_EA ) |
| 3439 | DEF_ASM_OP1(fstenv, 0xd9, 6, OPC_MODRM | OPC_FWAIT, OPT_EA ) |
| 3440 | DEF_ASM_OP1(fldenv, 0xd9, 4, OPC_MODRM, OPT_EA ) |
| 3441 | DEF_ASM_OP1(fnsave, 0xdd, 6, OPC_MODRM, OPT_EA ) |
| 3442 | DEF_ASM_OP1(fsave, 0xdd, 6, OPC_MODRM | OPC_FWAIT, OPT_EA ) |
| 3443 | DEF_ASM_OP1(frstor, 0xdd, 4, OPC_MODRM, OPT_EA ) |
| 3444 | DEF_ASM_OP1(ffree, 0xddc0, 4, OPC_REG, OPT_ST ) |
| 3445 | DEF_ASM_OP1(ffreep, 0xdfc0, 4, OPC_REG, OPT_ST ) |
| 3446 | DEF_ASM_OP1(fxsave, 0x0fae, 0, OPC_MODRM, OPT_EA ) |
| 3447 | DEF_ASM_OP1(fxrstor, 0x0fae, 1, OPC_MODRM, OPT_EA ) |
| 3448 | |
| 3449 | /* segments */ |
| 3450 | DEF_ASM_OP2(arpl, 0x63, 0, OPC_MODRM, OPT_REG16, OPT_REG16 | OPT_EA) |
| 3451 | DEF_ASM_OP2(lar, 0x0f02, 0, OPC_MODRM, OPT_REG32 | OPT_EA, OPT_REG32) |
| 3452 | DEF_ASM_OP1(lgdt, 0x0f01, 2, OPC_MODRM, OPT_EA) |
| 3453 | DEF_ASM_OP1(lidt, 0x0f01, 3, OPC_MODRM, OPT_EA) |
| 3454 | DEF_ASM_OP1(lldt, 0x0f00, 2, OPC_MODRM, OPT_EA | OPT_REG) |
| 3455 | DEF_ASM_OP1(lmsw, 0x0f01, 6, OPC_MODRM, OPT_EA | OPT_REG) |
| 3456 | ALT(DEF_ASM_OP2(lslw, 0x0f03, 0, OPC_MODRM | OPC_WL, OPT_EA | OPT_REG, OPT_REG)) |
| 3457 | DEF_ASM_OP1(ltr, 0x0f00, 3, OPC_MODRM, OPT_EA | OPT_REG) |
| 3458 | DEF_ASM_OP1(sgdt, 0x0f01, 0, OPC_MODRM, OPT_EA) |
| 3459 | DEF_ASM_OP1(sidt, 0x0f01, 1, OPC_MODRM, OPT_EA) |
| 3460 | DEF_ASM_OP1(sldt, 0x0f00, 0, OPC_MODRM, OPT_REG | OPT_EA) |
| 3461 | DEF_ASM_OP1(smsw, 0x0f01, 4, OPC_MODRM, OPT_REG | OPT_EA) |
| 3462 | DEF_ASM_OP1(str, 0x0f00, 1, OPC_MODRM, OPT_REG16| OPT_EA) |
| 3463 | DEF_ASM_OP1(verr, 0x0f00, 4, OPC_MODRM, OPT_REG | OPT_EA) |
| 3464 | DEF_ASM_OP1(verw, 0x0f00, 5, OPC_MODRM, OPT_REG | OPT_EA) |
| 3465 | |
| 3466 | /* 486 */ |
| 3467 | DEF_ASM_OP1(bswap, 0x0fc8, 0, OPC_REG, OPT_REG32 ) |
| 3468 | ALT(DEF_ASM_OP2(xaddb, 0x0fc0, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_REG | OPT_EA )) |
| 3469 | ALT(DEF_ASM_OP2(cmpxchgb, 0x0fb0, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_REG | OPT_EA )) |
| 3470 | DEF_ASM_OP1(invlpg, 0x0f01, 7, OPC_MODRM, OPT_EA ) |
| 3471 | |
| 3472 | DEF_ASM_OP2(boundl, 0x62, 0, OPC_MODRM, OPT_REG32, OPT_EA) |
| 3473 | DEF_ASM_OP2(boundw, 0x62, 0, OPC_MODRM | OPC_D16, OPT_REG16, OPT_EA) |
| 3474 | |
| 3475 | /* pentium */ |
| 3476 | DEF_ASM_OP1(cmpxchg8b, 0x0fc7, 1, OPC_MODRM, OPT_EA ) |
| 3477 | |
| 3478 | /* pentium pro */ |
| 3479 | ALT(DEF_ASM_OP2(cmovo, 0x0f40, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32)) |
| 3480 | |
| 3481 | DEF_ASM_OP2(fcmovb, 0xdac0, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 3482 | DEF_ASM_OP2(fcmove, 0xdac8, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 3483 | DEF_ASM_OP2(fcmovbe, 0xdad0, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 3484 | DEF_ASM_OP2(fcmovu, 0xdad8, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 3485 | DEF_ASM_OP2(fcmovnb, 0xdbc0, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 3486 | DEF_ASM_OP2(fcmovne, 0xdbc8, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 3487 | DEF_ASM_OP2(fcmovnbe, 0xdbd0, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 3488 | DEF_ASM_OP2(fcmovnu, 0xdbd8, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 3489 | |
| 3490 | DEF_ASM_OP2(fucomi, 0xdbe8, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 3491 | DEF_ASM_OP2(fcomi, 0xdbf0, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 3492 | DEF_ASM_OP2(fucomip, 0xdfe8, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 3493 | DEF_ASM_OP2(fcomip, 0xdff0, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 3494 | |
| 3495 | /* mmx */ |
| 3496 | DEF_ASM_OP0(emms, 0x0f77) /* must be last OP0 */ |
| 3497 | DEF_ASM_OP2(movd, 0x0f6e, 0, OPC_MODRM, OPT_EA | OPT_REG32, OPT_MMX ) |
| 3498 | ALT(DEF_ASM_OP2(movd, 0x0f7e, 0, OPC_MODRM, OPT_MMX, OPT_EA | OPT_REG32 )) |
| 3499 | DEF_ASM_OP2(movq, 0x0f6f, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3500 | ALT(DEF_ASM_OP2(movq, 0x0f7f, 0, OPC_MODRM, OPT_MMX, OPT_EA | OPT_MMX )) |
| 3501 | DEF_ASM_OP2(packssdw, 0x0f6b, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3502 | DEF_ASM_OP2(packsswb, 0x0f63, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3503 | DEF_ASM_OP2(packuswb, 0x0f67, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3504 | DEF_ASM_OP2(paddb, 0x0ffc, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3505 | DEF_ASM_OP2(paddw, 0x0ffd, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3506 | DEF_ASM_OP2(paddd, 0x0ffe, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3507 | DEF_ASM_OP2(paddsb, 0x0fec, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3508 | DEF_ASM_OP2(paddsw, 0x0fed, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3509 | DEF_ASM_OP2(paddusb, 0x0fdc, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3510 | DEF_ASM_OP2(paddusw, 0x0fdd, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3511 | DEF_ASM_OP2(pand, 0x0fdb, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3512 | DEF_ASM_OP2(pandn, 0x0fdf, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3513 | DEF_ASM_OP2(pcmpeqb, 0x0f74, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3514 | DEF_ASM_OP2(pcmpeqw, 0x0f75, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3515 | DEF_ASM_OP2(pcmpeqd, 0x0f76, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3516 | DEF_ASM_OP2(pcmpgtb, 0x0f64, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3517 | DEF_ASM_OP2(pcmpgtw, 0x0f65, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3518 | DEF_ASM_OP2(pcmpgtd, 0x0f66, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3519 | DEF_ASM_OP2(pmaddwd, 0x0ff5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3520 | DEF_ASM_OP2(pmulhw, 0x0fe5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3521 | DEF_ASM_OP2(pmullw, 0x0fd5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3522 | DEF_ASM_OP2(por, 0x0feb, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3523 | DEF_ASM_OP2(psllw, 0x0ff1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3524 | ALT(DEF_ASM_OP2(psllw, 0x0f71, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 3525 | DEF_ASM_OP2(pslld, 0x0ff2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3526 | ALT(DEF_ASM_OP2(pslld, 0x0f72, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 3527 | DEF_ASM_OP2(psllq, 0x0ff3, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3528 | ALT(DEF_ASM_OP2(psllq, 0x0f73, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 3529 | DEF_ASM_OP2(psraw, 0x0fe1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3530 | ALT(DEF_ASM_OP2(psraw, 0x0f71, 4, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 3531 | DEF_ASM_OP2(psrad, 0x0fe2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3532 | ALT(DEF_ASM_OP2(psrad, 0x0f72, 4, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 3533 | DEF_ASM_OP2(psrlw, 0x0fd1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3534 | ALT(DEF_ASM_OP2(psrlw, 0x0f71, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 3535 | DEF_ASM_OP2(psrld, 0x0fd2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3536 | ALT(DEF_ASM_OP2(psrld, 0x0f72, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 3537 | DEF_ASM_OP2(psrlq, 0x0fd3, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3538 | ALT(DEF_ASM_OP2(psrlq, 0x0f73, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 3539 | DEF_ASM_OP2(psubb, 0x0ff8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3540 | DEF_ASM_OP2(psubw, 0x0ff9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3541 | DEF_ASM_OP2(psubd, 0x0ffa, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3542 | DEF_ASM_OP2(psubsb, 0x0fe8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3543 | DEF_ASM_OP2(psubsw, 0x0fe9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3544 | DEF_ASM_OP2(psubusb, 0x0fd8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3545 | DEF_ASM_OP2(psubusw, 0x0fd9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3546 | DEF_ASM_OP2(punpckhbw, 0x0f68, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3547 | DEF_ASM_OP2(punpckhwd, 0x0f69, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3548 | DEF_ASM_OP2(punpckhdq, 0x0f6a, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3549 | DEF_ASM_OP2(punpcklbw, 0x0f60, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3550 | DEF_ASM_OP2(punpcklwd, 0x0f61, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3551 | DEF_ASM_OP2(punpckldq, 0x0f62, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3552 | DEF_ASM_OP2(pxor, 0x0fef, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3553 | |
| 3554 | #undef ALT |
| 3555 | #undef DEF_ASM_OP0 |
| 3556 | #undef DEF_ASM_OP0L |
| 3557 | #undef DEF_ASM_OP1 |
| 3558 | #undef DEF_ASM_OP2 |
| 3559 | #undef DEF_ASM_OP3 |
| 3560 | //--------------------------------------------------------------------------- |
| 3561 | |
| 3562 | #define ALT(x) |
| 3563 | #define DEF_ASM_OP0(name, opcode) |
| 3564 | #define DEF_ASM_OP0L(name, opcode, group, instr_type) DEF_ASM(name) |
| 3565 | #define DEF_ASM_OP1(name, opcode, group, instr_type, op0) DEF_ASM(name) |
| 3566 | #define DEF_ASM_OP2(name, opcode, group, instr_type, op0, op1) DEF_ASM(name) |
| 3567 | #define DEF_ASM_OP3(name, opcode, group, instr_type, op0, op1, op2) DEF_ASM(name) |
| 3568 | // njn: inlined i386-asm.h |
| 3569 | //#include "i386-asm.h" |
| 3570 | //--------------------------------------------------------------------------- |
| 3571 | DEF_ASM_OP0(pusha, 0x60) /* must be first OP0 */ |
| 3572 | DEF_ASM_OP0(popa, 0x61) |
| 3573 | DEF_ASM_OP0(clc, 0xf8) |
| 3574 | DEF_ASM_OP0(cld, 0xfc) |
| 3575 | DEF_ASM_OP0(cli, 0xfa) |
| 3576 | DEF_ASM_OP0(clts, 0x0f06) |
| 3577 | DEF_ASM_OP0(cmc, 0xf5) |
| 3578 | DEF_ASM_OP0(lahf, 0x9f) |
| 3579 | DEF_ASM_OP0(sahf, 0x9e) |
| 3580 | DEF_ASM_OP0(pushfl, 0x9c) |
| 3581 | DEF_ASM_OP0(popfl, 0x9d) |
| 3582 | DEF_ASM_OP0(pushf, 0x9c) |
| 3583 | DEF_ASM_OP0(popf, 0x9d) |
| 3584 | DEF_ASM_OP0(stc, 0xf9) |
| 3585 | DEF_ASM_OP0(std, 0xfd) |
| 3586 | DEF_ASM_OP0(sti, 0xfb) |
| 3587 | DEF_ASM_OP0(aaa, 0x37) |
| 3588 | DEF_ASM_OP0(aas, 0x3f) |
| 3589 | DEF_ASM_OP0(daa, 0x27) |
| 3590 | DEF_ASM_OP0(das, 0x2f) |
| 3591 | DEF_ASM_OP0(aad, 0xd50a) |
| 3592 | DEF_ASM_OP0(aam, 0xd40a) |
| 3593 | DEF_ASM_OP0(cbw, 0x6698) |
| 3594 | DEF_ASM_OP0(cwd, 0x6699) |
| 3595 | DEF_ASM_OP0(cwde, 0x98) |
| 3596 | DEF_ASM_OP0(cdq, 0x99) |
| 3597 | DEF_ASM_OP0(cbtw, 0x6698) |
| 3598 | DEF_ASM_OP0(cwtl, 0x98) |
| 3599 | DEF_ASM_OP0(cwtd, 0x6699) |
| 3600 | DEF_ASM_OP0(cltd, 0x99) |
| 3601 | DEF_ASM_OP0(int3, 0xcc) |
| 3602 | DEF_ASM_OP0(into, 0xce) |
| 3603 | DEF_ASM_OP0(iret, 0xcf) |
| 3604 | DEF_ASM_OP0(rsm, 0x0faa) |
| 3605 | DEF_ASM_OP0(hlt, 0xf4) |
| 3606 | DEF_ASM_OP0(wait, 0x9b) |
| 3607 | DEF_ASM_OP0(nop, 0x90) |
| 3608 | DEF_ASM_OP0(xlat, 0xd7) |
| 3609 | |
| 3610 | /* strings */ |
| 3611 | ALT(DEF_ASM_OP0L(cmpsb, 0xa6, 0, OPC_BWL)) |
| 3612 | ALT(DEF_ASM_OP0L(scmpb, 0xa6, 0, OPC_BWL)) |
| 3613 | |
| 3614 | ALT(DEF_ASM_OP0L(insb, 0x6c, 0, OPC_BWL)) |
| 3615 | ALT(DEF_ASM_OP0L(outsb, 0x6e, 0, OPC_BWL)) |
| 3616 | |
| 3617 | ALT(DEF_ASM_OP0L(lodsb, 0xac, 0, OPC_BWL)) |
| 3618 | ALT(DEF_ASM_OP0L(slodb, 0xac, 0, OPC_BWL)) |
| 3619 | |
| 3620 | ALT(DEF_ASM_OP0L(movsb, 0xa4, 0, OPC_BWL)) |
| 3621 | ALT(DEF_ASM_OP0L(smovb, 0xa4, 0, OPC_BWL)) |
| 3622 | |
| 3623 | ALT(DEF_ASM_OP0L(scasb, 0xae, 0, OPC_BWL)) |
| 3624 | ALT(DEF_ASM_OP0L(sscab, 0xae, 0, OPC_BWL)) |
| 3625 | |
| 3626 | ALT(DEF_ASM_OP0L(stosb, 0xaa, 0, OPC_BWL)) |
| 3627 | ALT(DEF_ASM_OP0L(sstob, 0xaa, 0, OPC_BWL)) |
| 3628 | |
| 3629 | /* bits */ |
| 3630 | |
| 3631 | ALT(DEF_ASM_OP2(bsfw, 0x0fbc, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA, OPT_REGW)) |
| 3632 | ALT(DEF_ASM_OP2(bsrw, 0x0fbd, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA, OPT_REGW)) |
| 3633 | |
| 3634 | ALT(DEF_ASM_OP2(btw, 0x0fa3, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) |
| 3635 | ALT(DEF_ASM_OP2(btw, 0x0fba, 4, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) |
| 3636 | |
| 3637 | ALT(DEF_ASM_OP2(btsw, 0x0fab, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) |
| 3638 | ALT(DEF_ASM_OP2(btsw, 0x0fba, 5, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) |
| 3639 | |
| 3640 | ALT(DEF_ASM_OP2(btrw, 0x0fb3, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) |
| 3641 | ALT(DEF_ASM_OP2(btrw, 0x0fba, 6, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) |
| 3642 | |
| 3643 | ALT(DEF_ASM_OP2(btcw, 0x0fbb, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) |
| 3644 | ALT(DEF_ASM_OP2(btcw, 0x0fba, 7, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) |
| 3645 | |
| 3646 | /* prefixes */ |
| 3647 | DEF_ASM_OP0(aword, 0x67) |
| 3648 | DEF_ASM_OP0(addr16, 0x67) |
| 3649 | DEF_ASM_OP0(word, 0x66) |
| 3650 | DEF_ASM_OP0(data16, 0x66) |
| 3651 | DEF_ASM_OP0(lock, 0xf0) |
| 3652 | DEF_ASM_OP0(rep, 0xf3) |
| 3653 | DEF_ASM_OP0(repe, 0xf3) |
| 3654 | DEF_ASM_OP0(repz, 0xf3) |
| 3655 | DEF_ASM_OP0(repne, 0xf2) |
| 3656 | DEF_ASM_OP0(repnz, 0xf2) |
| 3657 | |
| 3658 | DEF_ASM_OP0(invd, 0x0f08) |
| 3659 | DEF_ASM_OP0(wbinvd, 0x0f09) |
| 3660 | DEF_ASM_OP0(cpuid, 0x0fa2) |
| 3661 | DEF_ASM_OP0(wrmsr, 0x0f30) |
| 3662 | DEF_ASM_OP0(rdtsc, 0x0f31) |
| 3663 | DEF_ASM_OP0(rdmsr, 0x0f32) |
| 3664 | DEF_ASM_OP0(rdpmc, 0x0f33) |
| 3665 | DEF_ASM_OP0(ud2, 0x0f0b) |
| 3666 | |
| 3667 | /* NOTE: we took the same order as gas opcode definition order */ |
| 3668 | ALT(DEF_ASM_OP2(movb, 0xa0, 0, OPC_BWL, OPT_ADDR, OPT_EAX)) |
| 3669 | ALT(DEF_ASM_OP2(movb, 0xa2, 0, OPC_BWL, OPT_EAX, OPT_ADDR)) |
| 3670 | ALT(DEF_ASM_OP2(movb, 0x88, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) |
| 3671 | ALT(DEF_ASM_OP2(movb, 0x8a, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) |
| 3672 | ALT(DEF_ASM_OP2(movb, 0xb0, 0, OPC_REG | OPC_BWL, OPT_IM, OPT_REG)) |
| 3673 | ALT(DEF_ASM_OP2(movb, 0xc6, 0, OPC_MODRM | OPC_BWL, OPT_IM, OPT_REG | OPT_EA)) |
| 3674 | |
| 3675 | ALT(DEF_ASM_OP2(movw, 0x8c, 0, OPC_MODRM | OPC_WL, OPT_SEG, OPT_EA | OPT_REG)) |
| 3676 | ALT(DEF_ASM_OP2(movw, 0x8e, 0, OPC_MODRM | OPC_WL, OPT_EA | OPT_REG, OPT_SEG)) |
| 3677 | |
| 3678 | ALT(DEF_ASM_OP2(movw, 0x0f20, 0, OPC_MODRM | OPC_WL, OPT_CR, OPT_REG32)) |
| 3679 | ALT(DEF_ASM_OP2(movw, 0x0f21, 0, OPC_MODRM | OPC_WL, OPT_DB, OPT_REG32)) |
| 3680 | ALT(DEF_ASM_OP2(movw, 0x0f24, 0, OPC_MODRM | OPC_WL, OPT_TR, OPT_REG32)) |
| 3681 | ALT(DEF_ASM_OP2(movw, 0x0f22, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_CR)) |
| 3682 | ALT(DEF_ASM_OP2(movw, 0x0f23, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_DB)) |
| 3683 | ALT(DEF_ASM_OP2(movw, 0x0f26, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_TR)) |
| 3684 | |
| 3685 | ALT(DEF_ASM_OP2(movsbl, 0x0fbe, 0, OPC_MODRM, OPT_REG8 | OPT_EA, OPT_REG32)) |
| 3686 | ALT(DEF_ASM_OP2(movsbw, 0x0fbe, 0, OPC_MODRM | OPC_D16, OPT_REG8 | OPT_EA, OPT_REG16)) |
| 3687 | ALT(DEF_ASM_OP2(movswl, 0x0fbf, 0, OPC_MODRM, OPT_REG16 | OPT_EA, OPT_REG32)) |
| 3688 | ALT(DEF_ASM_OP2(movzbw, 0x0fb6, 0, OPC_MODRM | OPC_WL, OPT_REG8 | OPT_EA, OPT_REGW)) |
| 3689 | ALT(DEF_ASM_OP2(movzwl, 0x0fb7, 0, OPC_MODRM, OPT_REG16 | OPT_EA, OPT_REG32)) |
| 3690 | |
| 3691 | ALT(DEF_ASM_OP1(pushw, 0x50, 0, OPC_REG | OPC_WL, OPT_REGW)) |
| 3692 | ALT(DEF_ASM_OP1(pushw, 0xff, 6, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA)) |
| 3693 | ALT(DEF_ASM_OP1(pushw, 0x6a, 0, OPC_WL, OPT_IM8S)) |
| 3694 | ALT(DEF_ASM_OP1(pushw, 0x68, 0, OPC_WL, OPT_IM32)) |
| 3695 | ALT(DEF_ASM_OP1(pushw, 0x06, 0, OPC_WL, OPT_SEG)) |
| 3696 | |
| 3697 | ALT(DEF_ASM_OP1(popw, 0x58, 0, OPC_REG | OPC_WL, OPT_REGW)) |
| 3698 | ALT(DEF_ASM_OP1(popw, 0x8f, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA)) |
| 3699 | ALT(DEF_ASM_OP1(popw, 0x07, 0, OPC_WL, OPT_SEG)) |
| 3700 | |
| 3701 | ALT(DEF_ASM_OP2(xchgw, 0x90, 0, OPC_REG | OPC_WL, OPT_REG, OPT_EAX)) |
| 3702 | ALT(DEF_ASM_OP2(xchgw, 0x90, 0, OPC_REG | OPC_WL, OPT_EAX, OPT_REG)) |
| 3703 | ALT(DEF_ASM_OP2(xchgb, 0x86, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) |
| 3704 | ALT(DEF_ASM_OP2(xchgb, 0x86, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) |
| 3705 | |
| 3706 | ALT(DEF_ASM_OP2(inb, 0xe4, 0, OPC_BWL, OPT_IM8, OPT_EAX)) |
| 3707 | ALT(DEF_ASM_OP1(inb, 0xe4, 0, OPC_BWL, OPT_IM8)) |
| 3708 | ALT(DEF_ASM_OP2(inb, 0xec, 0, OPC_BWL, OPT_DX, OPT_EAX)) |
| 3709 | ALT(DEF_ASM_OP1(inb, 0xec, 0, OPC_BWL, OPT_DX)) |
| 3710 | |
| 3711 | ALT(DEF_ASM_OP2(outb, 0xe6, 0, OPC_BWL, OPT_EAX, OPT_IM8)) |
| 3712 | ALT(DEF_ASM_OP1(outb, 0xe6, 0, OPC_BWL, OPT_IM8)) |
| 3713 | ALT(DEF_ASM_OP2(outb, 0xee, 0, OPC_BWL, OPT_EAX, OPT_DX)) |
| 3714 | ALT(DEF_ASM_OP1(outb, 0xee, 0, OPC_BWL, OPT_DX)) |
| 3715 | |
| 3716 | ALT(DEF_ASM_OP2(leaw, 0x8d, 0, OPC_MODRM | OPC_WL, OPT_EA, OPT_REG)) |
| 3717 | |
| 3718 | ALT(DEF_ASM_OP2(les, 0xc4, 0, OPC_MODRM, OPT_EA, OPT_REG32)) |
| 3719 | ALT(DEF_ASM_OP2(lds, 0xc5, 0, OPC_MODRM, OPT_EA, OPT_REG32)) |
| 3720 | ALT(DEF_ASM_OP2(lss, 0x0fb2, 0, OPC_MODRM, OPT_EA, OPT_REG32)) |
| 3721 | ALT(DEF_ASM_OP2(lfs, 0x0fb4, 0, OPC_MODRM, OPT_EA, OPT_REG32)) |
| 3722 | ALT(DEF_ASM_OP2(lgs, 0x0fb5, 0, OPC_MODRM, OPT_EA, OPT_REG32)) |
| 3723 | |
| 3724 | /* arith */ |
| 3725 | ALT(DEF_ASM_OP2(addb, 0x00, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) /* XXX: use D bit ? */ |
| 3726 | ALT(DEF_ASM_OP2(addb, 0x02, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) |
| 3727 | ALT(DEF_ASM_OP2(addb, 0x04, 0, OPC_ARITH | OPC_BWL, OPT_IM, OPT_EAX)) |
| 3728 | ALT(DEF_ASM_OP2(addb, 0x80, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_IM, OPT_EA | OPT_REG)) |
| 3729 | ALT(DEF_ASM_OP2(addw, 0x83, 0, OPC_ARITH | OPC_MODRM | OPC_WL, OPT_IM8S, OPT_EA | OPT_REG)) |
| 3730 | |
| 3731 | ALT(DEF_ASM_OP2(testb, 0x84, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) |
| 3732 | ALT(DEF_ASM_OP2(testb, 0x84, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) |
| 3733 | ALT(DEF_ASM_OP2(testb, 0xa8, 0, OPC_BWL, OPT_IM, OPT_EAX)) |
| 3734 | ALT(DEF_ASM_OP2(testb, 0xf6, 0, OPC_MODRM | OPC_BWL, OPT_IM, OPT_EA | OPT_REG)) |
| 3735 | |
| 3736 | ALT(DEF_ASM_OP1(incw, 0x40, 0, OPC_REG | OPC_WL, OPT_REGW)) |
| 3737 | ALT(DEF_ASM_OP1(incb, 0xfe, 0, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 3738 | ALT(DEF_ASM_OP1(decw, 0x48, 0, OPC_REG | OPC_WL, OPT_REGW)) |
| 3739 | ALT(DEF_ASM_OP1(decb, 0xfe, 1, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 3740 | |
| 3741 | ALT(DEF_ASM_OP1(notb, 0xf6, 2, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 3742 | ALT(DEF_ASM_OP1(negb, 0xf6, 3, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 3743 | |
| 3744 | ALT(DEF_ASM_OP1(mulb, 0xf6, 4, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 3745 | ALT(DEF_ASM_OP1(imulb, 0xf6, 5, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 3746 | |
| 3747 | ALT(DEF_ASM_OP2(imulw, 0x0faf, 0, OPC_MODRM | OPC_WL, OPT_REG | OPT_EA, OPT_REG)) |
| 3748 | ALT(DEF_ASM_OP3(imulw, 0x6b, 0, OPC_MODRM | OPC_WL, OPT_IM8S, OPT_REGW | OPT_EA, OPT_REGW)) |
| 3749 | ALT(DEF_ASM_OP2(imulw, 0x6b, 0, OPC_MODRM | OPC_WL, OPT_IM8S, OPT_REGW)) |
| 3750 | ALT(DEF_ASM_OP3(imulw, 0x69, 0, OPC_MODRM | OPC_WL, OPT_IMW, OPT_REGW | OPT_EA, OPT_REGW)) |
| 3751 | ALT(DEF_ASM_OP2(imulw, 0x69, 0, OPC_MODRM | OPC_WL, OPT_IMW, OPT_REGW)) |
| 3752 | |
| 3753 | ALT(DEF_ASM_OP1(divb, 0xf6, 6, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 3754 | ALT(DEF_ASM_OP2(divb, 0xf6, 6, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA, OPT_EAX)) |
| 3755 | ALT(DEF_ASM_OP1(idivb, 0xf6, 7, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 3756 | ALT(DEF_ASM_OP2(idivb, 0xf6, 7, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA, OPT_EAX)) |
| 3757 | |
| 3758 | /* shifts */ |
| 3759 | ALT(DEF_ASM_OP2(rolb, 0xc0, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_IM8, OPT_EA | OPT_REG)) |
| 3760 | ALT(DEF_ASM_OP2(rolb, 0xd2, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_CL, OPT_EA | OPT_REG)) |
| 3761 | ALT(DEF_ASM_OP1(rolb, 0xd0, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_EA | OPT_REG)) |
| 3762 | |
| 3763 | ALT(DEF_ASM_OP3(shldw, 0x0fa4, 0, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW, OPT_EA | OPT_REGW)) |
| 3764 | ALT(DEF_ASM_OP3(shldw, 0x0fa5, 0, OPC_MODRM | OPC_WL, OPT_CL, OPT_REGW, OPT_EA | OPT_REGW)) |
| 3765 | ALT(DEF_ASM_OP2(shldw, 0x0fa5, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_EA | OPT_REGW)) |
| 3766 | ALT(DEF_ASM_OP3(shrdw, 0x0fac, 0, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW, OPT_EA | OPT_REGW)) |
| 3767 | ALT(DEF_ASM_OP3(shrdw, 0x0fad, 0, OPC_MODRM | OPC_WL, OPT_CL, OPT_REGW, OPT_EA | OPT_REGW)) |
| 3768 | ALT(DEF_ASM_OP2(shrdw, 0x0fad, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_EA | OPT_REGW)) |
| 3769 | |
| 3770 | ALT(DEF_ASM_OP1(call, 0xff, 2, OPC_MODRM, OPT_INDIR)) |
| 3771 | ALT(DEF_ASM_OP1(call, 0xe8, 0, OPC_JMP, OPT_ADDR)) |
| 3772 | ALT(DEF_ASM_OP1(jmp, 0xff, 4, OPC_MODRM, OPT_INDIR)) |
| 3773 | ALT(DEF_ASM_OP1(jmp, 0xeb, 0, OPC_SHORTJMP | OPC_JMP, OPT_ADDR)) |
| 3774 | |
| 3775 | ALT(DEF_ASM_OP2(lcall, 0x9a, 0, 0, OPT_IM16, OPT_IM32)) |
| 3776 | ALT(DEF_ASM_OP1(lcall, 0xff, 3, 0, OPT_EA)) |
| 3777 | ALT(DEF_ASM_OP2(ljmp, 0xea, 0, 0, OPT_IM16, OPT_IM32)) |
| 3778 | ALT(DEF_ASM_OP1(ljmp, 0xff, 5, 0, OPT_EA)) |
| 3779 | |
| 3780 | ALT(DEF_ASM_OP1(int, 0xcd, 0, 0, OPT_IM8)) |
| 3781 | ALT(DEF_ASM_OP1(seto, 0x0f90, 0, OPC_MODRM | OPC_TEST, OPT_REG8 | OPT_EA)) |
| 3782 | DEF_ASM_OP2(enter, 0xc8, 0, 0, OPT_IM16, OPT_IM8) |
| 3783 | DEF_ASM_OP0(leave, 0xc9) |
| 3784 | DEF_ASM_OP0(ret, 0xc3) |
| 3785 | ALT(DEF_ASM_OP1(ret, 0xc2, 0, 0, OPT_IM16)) |
| 3786 | DEF_ASM_OP0(lret, 0xcb) |
| 3787 | ALT(DEF_ASM_OP1(lret, 0xca, 0, 0, OPT_IM16)) |
| 3788 | |
| 3789 | ALT(DEF_ASM_OP1(jo, 0x70, 0, OPC_SHORTJMP | OPC_JMP | OPC_TEST, OPT_ADDR)) |
| 3790 | DEF_ASM_OP1(loopne, 0xe0, 0, OPC_SHORTJMP, OPT_ADDR) |
| 3791 | DEF_ASM_OP1(loopnz, 0xe0, 0, OPC_SHORTJMP, OPT_ADDR) |
| 3792 | DEF_ASM_OP1(loope, 0xe1, 0, OPC_SHORTJMP, OPT_ADDR) |
| 3793 | DEF_ASM_OP1(loopz, 0xe1, 0, OPC_SHORTJMP, OPT_ADDR) |
| 3794 | DEF_ASM_OP1(loop, 0xe2, 0, OPC_SHORTJMP, OPT_ADDR) |
| 3795 | DEF_ASM_OP1(jecxz, 0xe3, 0, OPC_SHORTJMP, OPT_ADDR) |
| 3796 | |
| 3797 | /* float */ |
| 3798 | /* specific fcomp handling */ |
| 3799 | ALT(DEF_ASM_OP0L(fcomp, 0xd8d9, 0, 0)) |
| 3800 | |
| 3801 | ALT(DEF_ASM_OP1(fadd, 0xd8c0, 0, OPC_FARITH | OPC_REG, OPT_ST)) |
| 3802 | ALT(DEF_ASM_OP2(fadd, 0xd8c0, 0, OPC_FARITH | OPC_REG, OPT_ST, OPT_ST0)) |
| 3803 | ALT(DEF_ASM_OP0L(fadd, 0xdec1, 0, OPC_FARITH)) |
| 3804 | ALT(DEF_ASM_OP1(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST)) |
| 3805 | ALT(DEF_ASM_OP2(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST, OPT_ST0)) |
| 3806 | ALT(DEF_ASM_OP2(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST0, OPT_ST)) |
| 3807 | ALT(DEF_ASM_OP0L(faddp, 0xdec1, 0, OPC_FARITH)) |
| 3808 | ALT(DEF_ASM_OP1(fadds, 0xd8, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) |
| 3809 | ALT(DEF_ASM_OP1(fiaddl, 0xda, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) |
| 3810 | ALT(DEF_ASM_OP1(faddl, 0xdc, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) |
| 3811 | ALT(DEF_ASM_OP1(fiadds, 0xde, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) |
| 3812 | |
| 3813 | DEF_ASM_OP0(fucompp, 0xdae9) |
| 3814 | DEF_ASM_OP0(ftst, 0xd9e4) |
| 3815 | DEF_ASM_OP0(fxam, 0xd9e5) |
| 3816 | DEF_ASM_OP0(fld1, 0xd9e8) |
| 3817 | DEF_ASM_OP0(fldl2t, 0xd9e9) |
| 3818 | DEF_ASM_OP0(fldl2e, 0xd9ea) |
| 3819 | DEF_ASM_OP0(fldpi, 0xd9eb) |
| 3820 | DEF_ASM_OP0(fldlg2, 0xd9ec) |
| 3821 | DEF_ASM_OP0(fldln2, 0xd9ed) |
| 3822 | DEF_ASM_OP0(fldz, 0xd9ee) |
| 3823 | |
| 3824 | DEF_ASM_OP0(f2xm1, 0xd9f0) |
| 3825 | DEF_ASM_OP0(fyl2x, 0xd9f1) |
| 3826 | DEF_ASM_OP0(fptan, 0xd9f2) |
| 3827 | DEF_ASM_OP0(fpatan, 0xd9f3) |
| 3828 | DEF_ASM_OP0(fxtract, 0xd9f4) |
| 3829 | DEF_ASM_OP0(fprem1, 0xd9f5) |
| 3830 | DEF_ASM_OP0(fdecstp, 0xd9f6) |
| 3831 | DEF_ASM_OP0(fincstp, 0xd9f7) |
| 3832 | DEF_ASM_OP0(fprem, 0xd9f8) |
| 3833 | DEF_ASM_OP0(fyl2xp1, 0xd9f9) |
| 3834 | DEF_ASM_OP0(fsqrt, 0xd9fa) |
| 3835 | DEF_ASM_OP0(fsincos, 0xd9fb) |
| 3836 | DEF_ASM_OP0(frndint, 0xd9fc) |
| 3837 | DEF_ASM_OP0(fscale, 0xd9fd) |
| 3838 | DEF_ASM_OP0(fsin, 0xd9fe) |
| 3839 | DEF_ASM_OP0(fcos, 0xd9ff) |
| 3840 | DEF_ASM_OP0(fchs, 0xd9e0) |
| 3841 | DEF_ASM_OP0(fabs, 0xd9e1) |
| 3842 | DEF_ASM_OP0(fninit, 0xdbe3) |
| 3843 | DEF_ASM_OP0(fnclex, 0xdbe2) |
| 3844 | DEF_ASM_OP0(fnop, 0xd9d0) |
| 3845 | DEF_ASM_OP0(fwait, 0x9b) |
| 3846 | |
| 3847 | /* fp load */ |
| 3848 | DEF_ASM_OP1(fld, 0xd9c0, 0, OPC_REG, OPT_ST) |
| 3849 | DEF_ASM_OP1(fldl, 0xd9c0, 0, OPC_REG, OPT_ST) |
| 3850 | DEF_ASM_OP1(flds, 0xd9, 0, OPC_MODRM, OPT_EA) |
| 3851 | ALT(DEF_ASM_OP1(fldl, 0xdd, 0, OPC_MODRM, OPT_EA)) |
| 3852 | DEF_ASM_OP1(fildl, 0xdb, 0, OPC_MODRM, OPT_EA) |
| 3853 | DEF_ASM_OP1(fildq, 0xdf, 5, OPC_MODRM, OPT_EA) |
| 3854 | DEF_ASM_OP1(fildll, 0xdf, 5, OPC_MODRM,OPT_EA) |
| 3855 | DEF_ASM_OP1(fldt, 0xdb, 5, OPC_MODRM, OPT_EA) |
| 3856 | DEF_ASM_OP1(fbld, 0xdf, 4, OPC_MODRM, OPT_EA) |
| 3857 | |
| 3858 | /* fp store */ |
| 3859 | DEF_ASM_OP1(fst, 0xddd0, 0, OPC_REG, OPT_ST) |
| 3860 | DEF_ASM_OP1(fstl, 0xddd0, 0, OPC_REG, OPT_ST) |
| 3861 | DEF_ASM_OP1(fsts, 0xd9, 2, OPC_MODRM, OPT_EA) |
| 3862 | DEF_ASM_OP1(fstps, 0xd9, 3, OPC_MODRM, OPT_EA) |
| 3863 | ALT(DEF_ASM_OP1(fstl, 0xdd, 2, OPC_MODRM, OPT_EA)) |
| 3864 | DEF_ASM_OP1(fstpl, 0xdd, 3, OPC_MODRM, OPT_EA) |
| 3865 | DEF_ASM_OP1(fist, 0xdf, 2, OPC_MODRM, OPT_EA) |
| 3866 | DEF_ASM_OP1(fistp, 0xdf, 3, OPC_MODRM, OPT_EA) |
| 3867 | DEF_ASM_OP1(fistl, 0xdb, 2, OPC_MODRM, OPT_EA) |
| 3868 | DEF_ASM_OP1(fistpl, 0xdb, 3, OPC_MODRM, OPT_EA) |
| 3869 | |
| 3870 | DEF_ASM_OP1(fstp, 0xddd8, 0, OPC_REG, OPT_ST) |
| 3871 | DEF_ASM_OP1(fistpq, 0xdf, 7, OPC_MODRM, OPT_EA) |
| 3872 | DEF_ASM_OP1(fistpll, 0xdf, 7, OPC_MODRM, OPT_EA) |
| 3873 | DEF_ASM_OP1(fstpt, 0xdb, 7, OPC_MODRM, OPT_EA) |
| 3874 | DEF_ASM_OP1(fbstp, 0xdf, 6, OPC_MODRM, OPT_EA) |
| 3875 | |
| 3876 | /* exchange */ |
| 3877 | DEF_ASM_OP0(fxch, 0xd9c9) |
| 3878 | ALT(DEF_ASM_OP1(fxch, 0xd9c8, 0, OPC_REG, OPT_ST)) |
| 3879 | |
| 3880 | /* misc FPU */ |
| 3881 | DEF_ASM_OP1(fucom, 0xdde0, 0, OPC_REG, OPT_ST ) |
| 3882 | DEF_ASM_OP1(fucomp, 0xdde8, 0, OPC_REG, OPT_ST ) |
| 3883 | |
| 3884 | DEF_ASM_OP0L(finit, 0xdbe3, 0, OPC_FWAIT) |
| 3885 | DEF_ASM_OP1(fldcw, 0xd9, 5, OPC_MODRM, OPT_EA ) |
| 3886 | DEF_ASM_OP1(fnstcw, 0xd9, 7, OPC_MODRM, OPT_EA ) |
| 3887 | DEF_ASM_OP1(fstcw, 0xd9, 7, OPC_MODRM | OPC_FWAIT, OPT_EA ) |
| 3888 | DEF_ASM_OP0(fnstsw, 0xdfe0) |
| 3889 | ALT(DEF_ASM_OP1(fnstsw, 0xdfe0, 0, 0, OPT_EAX )) |
| 3890 | ALT(DEF_ASM_OP1(fnstsw, 0xdd, 7, OPC_MODRM, OPT_EA )) |
| 3891 | DEF_ASM_OP1(fstsw, 0xdfe0, 0, OPC_FWAIT, OPT_EAX ) |
| 3892 | ALT(DEF_ASM_OP0L(fstsw, 0xdfe0, 0, OPC_FWAIT)) |
| 3893 | ALT(DEF_ASM_OP1(fstsw, 0xdd, 7, OPC_MODRM | OPC_FWAIT, OPT_EA )) |
| 3894 | DEF_ASM_OP0L(fclex, 0xdbe2, 0, OPC_FWAIT) |
| 3895 | DEF_ASM_OP1(fnstenv, 0xd9, 6, OPC_MODRM, OPT_EA ) |
| 3896 | DEF_ASM_OP1(fstenv, 0xd9, 6, OPC_MODRM | OPC_FWAIT, OPT_EA ) |
| 3897 | DEF_ASM_OP1(fldenv, 0xd9, 4, OPC_MODRM, OPT_EA ) |
| 3898 | DEF_ASM_OP1(fnsave, 0xdd, 6, OPC_MODRM, OPT_EA ) |
| 3899 | DEF_ASM_OP1(fsave, 0xdd, 6, OPC_MODRM | OPC_FWAIT, OPT_EA ) |
| 3900 | DEF_ASM_OP1(frstor, 0xdd, 4, OPC_MODRM, OPT_EA ) |
| 3901 | DEF_ASM_OP1(ffree, 0xddc0, 4, OPC_REG, OPT_ST ) |
| 3902 | DEF_ASM_OP1(ffreep, 0xdfc0, 4, OPC_REG, OPT_ST ) |
| 3903 | DEF_ASM_OP1(fxsave, 0x0fae, 0, OPC_MODRM, OPT_EA ) |
| 3904 | DEF_ASM_OP1(fxrstor, 0x0fae, 1, OPC_MODRM, OPT_EA ) |
| 3905 | |
| 3906 | /* segments */ |
| 3907 | DEF_ASM_OP2(arpl, 0x63, 0, OPC_MODRM, OPT_REG16, OPT_REG16 | OPT_EA) |
| 3908 | DEF_ASM_OP2(lar, 0x0f02, 0, OPC_MODRM, OPT_REG32 | OPT_EA, OPT_REG32) |
| 3909 | DEF_ASM_OP1(lgdt, 0x0f01, 2, OPC_MODRM, OPT_EA) |
| 3910 | DEF_ASM_OP1(lidt, 0x0f01, 3, OPC_MODRM, OPT_EA) |
| 3911 | DEF_ASM_OP1(lldt, 0x0f00, 2, OPC_MODRM, OPT_EA | OPT_REG) |
| 3912 | DEF_ASM_OP1(lmsw, 0x0f01, 6, OPC_MODRM, OPT_EA | OPT_REG) |
| 3913 | ALT(DEF_ASM_OP2(lslw, 0x0f03, 0, OPC_MODRM | OPC_WL, OPT_EA | OPT_REG, OPT_REG)) |
| 3914 | DEF_ASM_OP1(ltr, 0x0f00, 3, OPC_MODRM, OPT_EA | OPT_REG) |
| 3915 | DEF_ASM_OP1(sgdt, 0x0f01, 0, OPC_MODRM, OPT_EA) |
| 3916 | DEF_ASM_OP1(sidt, 0x0f01, 1, OPC_MODRM, OPT_EA) |
| 3917 | DEF_ASM_OP1(sldt, 0x0f00, 0, OPC_MODRM, OPT_REG | OPT_EA) |
| 3918 | DEF_ASM_OP1(smsw, 0x0f01, 4, OPC_MODRM, OPT_REG | OPT_EA) |
| 3919 | DEF_ASM_OP1(str, 0x0f00, 1, OPC_MODRM, OPT_REG16| OPT_EA) |
| 3920 | DEF_ASM_OP1(verr, 0x0f00, 4, OPC_MODRM, OPT_REG | OPT_EA) |
| 3921 | DEF_ASM_OP1(verw, 0x0f00, 5, OPC_MODRM, OPT_REG | OPT_EA) |
| 3922 | |
| 3923 | /* 486 */ |
| 3924 | DEF_ASM_OP1(bswap, 0x0fc8, 0, OPC_REG, OPT_REG32 ) |
| 3925 | ALT(DEF_ASM_OP2(xaddb, 0x0fc0, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_REG | OPT_EA )) |
| 3926 | ALT(DEF_ASM_OP2(cmpxchgb, 0x0fb0, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_REG | OPT_EA )) |
| 3927 | DEF_ASM_OP1(invlpg, 0x0f01, 7, OPC_MODRM, OPT_EA ) |
| 3928 | |
| 3929 | DEF_ASM_OP2(boundl, 0x62, 0, OPC_MODRM, OPT_REG32, OPT_EA) |
| 3930 | DEF_ASM_OP2(boundw, 0x62, 0, OPC_MODRM | OPC_D16, OPT_REG16, OPT_EA) |
| 3931 | |
| 3932 | /* pentium */ |
| 3933 | DEF_ASM_OP1(cmpxchg8b, 0x0fc7, 1, OPC_MODRM, OPT_EA ) |
| 3934 | |
| 3935 | /* pentium pro */ |
| 3936 | ALT(DEF_ASM_OP2(cmovo, 0x0f40, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32)) |
| 3937 | |
| 3938 | DEF_ASM_OP2(fcmovb, 0xdac0, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 3939 | DEF_ASM_OP2(fcmove, 0xdac8, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 3940 | DEF_ASM_OP2(fcmovbe, 0xdad0, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 3941 | DEF_ASM_OP2(fcmovu, 0xdad8, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 3942 | DEF_ASM_OP2(fcmovnb, 0xdbc0, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 3943 | DEF_ASM_OP2(fcmovne, 0xdbc8, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 3944 | DEF_ASM_OP2(fcmovnbe, 0xdbd0, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 3945 | DEF_ASM_OP2(fcmovnu, 0xdbd8, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 3946 | |
| 3947 | DEF_ASM_OP2(fucomi, 0xdbe8, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 3948 | DEF_ASM_OP2(fcomi, 0xdbf0, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 3949 | DEF_ASM_OP2(fucomip, 0xdfe8, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 3950 | DEF_ASM_OP2(fcomip, 0xdff0, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 3951 | |
| 3952 | /* mmx */ |
| 3953 | DEF_ASM_OP0(emms, 0x0f77) /* must be last OP0 */ |
| 3954 | DEF_ASM_OP2(movd, 0x0f6e, 0, OPC_MODRM, OPT_EA | OPT_REG32, OPT_MMX ) |
| 3955 | ALT(DEF_ASM_OP2(movd, 0x0f7e, 0, OPC_MODRM, OPT_MMX, OPT_EA | OPT_REG32 )) |
| 3956 | DEF_ASM_OP2(movq, 0x0f6f, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3957 | ALT(DEF_ASM_OP2(movq, 0x0f7f, 0, OPC_MODRM, OPT_MMX, OPT_EA | OPT_MMX )) |
| 3958 | DEF_ASM_OP2(packssdw, 0x0f6b, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3959 | DEF_ASM_OP2(packsswb, 0x0f63, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3960 | DEF_ASM_OP2(packuswb, 0x0f67, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3961 | DEF_ASM_OP2(paddb, 0x0ffc, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3962 | DEF_ASM_OP2(paddw, 0x0ffd, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3963 | DEF_ASM_OP2(paddd, 0x0ffe, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3964 | DEF_ASM_OP2(paddsb, 0x0fec, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3965 | DEF_ASM_OP2(paddsw, 0x0fed, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3966 | DEF_ASM_OP2(paddusb, 0x0fdc, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3967 | DEF_ASM_OP2(paddusw, 0x0fdd, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3968 | DEF_ASM_OP2(pand, 0x0fdb, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3969 | DEF_ASM_OP2(pandn, 0x0fdf, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3970 | DEF_ASM_OP2(pcmpeqb, 0x0f74, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3971 | DEF_ASM_OP2(pcmpeqw, 0x0f75, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3972 | DEF_ASM_OP2(pcmpeqd, 0x0f76, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3973 | DEF_ASM_OP2(pcmpgtb, 0x0f64, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3974 | DEF_ASM_OP2(pcmpgtw, 0x0f65, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3975 | DEF_ASM_OP2(pcmpgtd, 0x0f66, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3976 | DEF_ASM_OP2(pmaddwd, 0x0ff5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3977 | DEF_ASM_OP2(pmulhw, 0x0fe5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3978 | DEF_ASM_OP2(pmullw, 0x0fd5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3979 | DEF_ASM_OP2(por, 0x0feb, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3980 | DEF_ASM_OP2(psllw, 0x0ff1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3981 | ALT(DEF_ASM_OP2(psllw, 0x0f71, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 3982 | DEF_ASM_OP2(pslld, 0x0ff2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3983 | ALT(DEF_ASM_OP2(pslld, 0x0f72, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 3984 | DEF_ASM_OP2(psllq, 0x0ff3, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3985 | ALT(DEF_ASM_OP2(psllq, 0x0f73, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 3986 | DEF_ASM_OP2(psraw, 0x0fe1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3987 | ALT(DEF_ASM_OP2(psraw, 0x0f71, 4, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 3988 | DEF_ASM_OP2(psrad, 0x0fe2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3989 | ALT(DEF_ASM_OP2(psrad, 0x0f72, 4, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 3990 | DEF_ASM_OP2(psrlw, 0x0fd1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3991 | ALT(DEF_ASM_OP2(psrlw, 0x0f71, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 3992 | DEF_ASM_OP2(psrld, 0x0fd2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3993 | ALT(DEF_ASM_OP2(psrld, 0x0f72, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 3994 | DEF_ASM_OP2(psrlq, 0x0fd3, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3995 | ALT(DEF_ASM_OP2(psrlq, 0x0f73, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 3996 | DEF_ASM_OP2(psubb, 0x0ff8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3997 | DEF_ASM_OP2(psubw, 0x0ff9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3998 | DEF_ASM_OP2(psubd, 0x0ffa, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 3999 | DEF_ASM_OP2(psubsb, 0x0fe8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4000 | DEF_ASM_OP2(psubsw, 0x0fe9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4001 | DEF_ASM_OP2(psubusb, 0x0fd8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4002 | DEF_ASM_OP2(psubusw, 0x0fd9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4003 | DEF_ASM_OP2(punpckhbw, 0x0f68, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4004 | DEF_ASM_OP2(punpckhwd, 0x0f69, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4005 | DEF_ASM_OP2(punpckhdq, 0x0f6a, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4006 | DEF_ASM_OP2(punpcklbw, 0x0f60, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4007 | DEF_ASM_OP2(punpcklwd, 0x0f61, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4008 | DEF_ASM_OP2(punpckldq, 0x0f62, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4009 | DEF_ASM_OP2(pxor, 0x0fef, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4010 | |
| 4011 | #undef ALT |
| 4012 | #undef DEF_ASM_OP0 |
| 4013 | #undef DEF_ASM_OP0L |
| 4014 | #undef DEF_ASM_OP1 |
| 4015 | #undef DEF_ASM_OP2 |
| 4016 | #undef DEF_ASM_OP3 |
| 4017 | //--------------------------------------------------------------------------- |
| 4018 | |
| 4019 | #endif |
| 4020 | //--------------------------------------------------------------------------- |
| 4021 | #undef DEF |
| 4022 | }; |
| 4023 | |
| 4024 | static const char tcc_keywords[] = |
| 4025 | #define DEF(id, str) str "\0" |
| 4026 | // njn: inlined tcctok.h |
| 4027 | //#include "tcctok.h" |
| 4028 | //--------------------------------------------------------------------------- |
| 4029 | /* keywords */ |
| 4030 | DEF(TOK_INT, "int") |
| 4031 | DEF(TOK_VOID, "void") |
| 4032 | DEF(TOK_CHAR, "char") |
| 4033 | DEF(TOK_IF, "if") |
| 4034 | DEF(TOK_ELSE, "else") |
| 4035 | DEF(TOK_WHILE, "while") |
| 4036 | DEF(TOK_BREAK, "break") |
| 4037 | DEF(TOK_RETURN, "return") |
| 4038 | DEF(TOK_FOR, "for") |
| 4039 | DEF(TOK_EXTERN, "extern") |
| 4040 | DEF(TOK_STATIC, "static") |
| 4041 | DEF(TOK_UNSIGNED, "unsigned") |
| 4042 | DEF(TOK_GOTO, "goto") |
| 4043 | DEF(TOK_DO, "do") |
| 4044 | DEF(TOK_CONTINUE, "continue") |
| 4045 | DEF(TOK_SWITCH, "switch") |
| 4046 | DEF(TOK_CASE, "case") |
| 4047 | |
| 4048 | DEF(TOK_CONST1, "const") |
| 4049 | DEF(TOK_CONST2, "__const") /* gcc keyword */ |
| 4050 | DEF(TOK_CONST3, "__const__") /* gcc keyword */ |
| 4051 | DEF(TOK_VOLATILE1, "volatile") |
| 4052 | DEF(TOK_VOLATILE2, "__volatile") /* gcc keyword */ |
| 4053 | DEF(TOK_VOLATILE3, "__volatile__") /* gcc keyword */ |
| 4054 | DEF(TOK_LONG, "long") |
| 4055 | DEF(TOK_REGISTER, "register") |
| 4056 | DEF(TOK_SIGNED1, "signed") |
| 4057 | DEF(TOK_SIGNED2, "__signed") /* gcc keyword */ |
| 4058 | DEF(TOK_SIGNED3, "__signed__") /* gcc keyword */ |
| 4059 | DEF(TOK_AUTO, "auto") |
| 4060 | DEF(TOK_INLINE1, "inline") |
| 4061 | DEF(TOK_INLINE2, "__inline") /* gcc keyword */ |
| 4062 | DEF(TOK_INLINE3, "__inline__") /* gcc keyword */ |
| 4063 | DEF(TOK_RESTRICT1, "restrict") |
| 4064 | DEF(TOK_RESTRICT2, "__restrict") |
| 4065 | DEF(TOK_RESTRICT3, "__restrict__") |
| 4066 | DEF(TOK_EXTENSION, "__extension__") /* gcc keyword */ |
| 4067 | |
| 4068 | DEF(TOK_FLOAT, "float") |
| 4069 | DEF(TOK_DOUBLE, "double") |
| 4070 | DEF(TOK_BOOL, "_Bool") |
| 4071 | DEF(TOK_SHORT, "short") |
| 4072 | DEF(TOK_STRUCT, "struct") |
| 4073 | DEF(TOK_UNION, "union") |
| 4074 | DEF(TOK_TYPEDEF, "typedef") |
| 4075 | DEF(TOK_DEFAULT, "default") |
| 4076 | DEF(TOK_ENUM, "enum") |
| 4077 | DEF(TOK_SIZEOF, "sizeof") |
| 4078 | DEF(TOK_ATTRIBUTE1, "__attribute") |
| 4079 | DEF(TOK_ATTRIBUTE2, "__attribute__") |
| 4080 | DEF(TOK_ALIGNOF1, "__alignof") |
| 4081 | DEF(TOK_ALIGNOF2, "__alignof__") |
| 4082 | DEF(TOK_TYPEOF1, "typeof") |
| 4083 | DEF(TOK_TYPEOF2, "__typeof") |
| 4084 | DEF(TOK_TYPEOF3, "__typeof__") |
| 4085 | DEF(TOK_LABEL, "__label__") |
| 4086 | DEF(TOK_ASM1, "asm") |
| 4087 | DEF(TOK_ASM2, "__asm") |
| 4088 | DEF(TOK_ASM3, "__asm__") |
| 4089 | |
| 4090 | /*********************************************************************/ |
| 4091 | /* the following are not keywords. They are included to ease parsing */ |
| 4092 | /* preprocessor only */ |
| 4093 | DEF(TOK_DEFINE, "define") |
| 4094 | DEF(TOK_INCLUDE, "include") |
| 4095 | DEF(TOK_INCLUDE_NEXT, "include_next") |
| 4096 | DEF(TOK_IFDEF, "ifdef") |
| 4097 | DEF(TOK_IFNDEF, "ifndef") |
| 4098 | DEF(TOK_ELIF, "elif") |
| 4099 | DEF(TOK_ENDIF, "endif") |
| 4100 | DEF(TOK_DEFINED, "defined") |
| 4101 | DEF(TOK_UNDEF, "undef") |
| 4102 | DEF(TOK_ERROR, "error") |
| 4103 | DEF(TOK_WARNING, "warning") |
| 4104 | DEF(TOK_LINE, "line") |
| 4105 | DEF(TOK_PRAGMA, "pragma") |
| 4106 | DEF(TOK___LINE__, "__LINE__") |
| 4107 | DEF(TOK___FILE__, "__FILE__") |
| 4108 | DEF(TOK___DATE__, "__DATE__") |
| 4109 | DEF(TOK___TIME__, "__TIME__") |
| 4110 | DEF(TOK___FUNCTION__, "__FUNCTION__") |
| 4111 | DEF(TOK___VA_ARGS__, "__VA_ARGS__") |
| 4112 | |
| 4113 | /* special identifiers */ |
| 4114 | DEF(TOK___FUNC__, "__func__") |
| 4115 | |
| 4116 | /* attribute identifiers */ |
| 4117 | /* XXX: handle all tokens generically since speed is not critical */ |
| 4118 | DEF(TOK_SECTION1, "section") |
| 4119 | DEF(TOK_SECTION2, "__section__") |
| 4120 | DEF(TOK_ALIGNED1, "aligned") |
| 4121 | DEF(TOK_ALIGNED2, "__aligned__") |
| 4122 | DEF(TOK_PACKED1, "packed") |
| 4123 | DEF(TOK_PACKED2, "__packed__") |
| 4124 | DEF(TOK_UNUSED1, "unused") |
| 4125 | DEF(TOK_UNUSED2, "__unused__") |
| 4126 | DEF(TOK_CDECL1, "cdecl") |
| 4127 | DEF(TOK_CDECL2, "__cdecl") |
| 4128 | DEF(TOK_CDECL3, "__cdecl__") |
| 4129 | DEF(TOK_STDCALL1, "stdcall") |
| 4130 | DEF(TOK_STDCALL2, "__stdcall") |
| 4131 | DEF(TOK_STDCALL3, "__stdcall__") |
| 4132 | DEF(TOK_DLLEXPORT, "dllexport") |
| 4133 | DEF(TOK_NORETURN1, "noreturn") |
| 4134 | DEF(TOK_NORETURN2, "__noreturn__") |
| 4135 | DEF(TOK_builtin_types_compatible_p, "__builtin_types_compatible_p") |
| 4136 | DEF(TOK_builtin_constant_p, "__builtin_constant_p") |
| 4137 | DEF(TOK_REGPARM1, "regparm") |
| 4138 | DEF(TOK_REGPARM2, "__regparm__") |
| 4139 | |
| 4140 | /* pragma */ |
| 4141 | DEF(TOK_pack, "pack") |
| 4142 | #if !defined(TCC_TARGET_I386) |
| 4143 | /* already defined for assembler */ |
| 4144 | DEF(TOK_ASM_push, "push") |
| 4145 | DEF(TOK_ASM_pop, "pop") |
| 4146 | #endif |
| 4147 | |
| 4148 | /* builtin functions or variables */ |
| 4149 | DEF(TOK_memcpy, "memcpy") |
| 4150 | DEF(TOK_memset, "memset") |
| 4151 | DEF(TOK_alloca, "alloca") |
| 4152 | DEF(TOK___divdi3, "__divdi3") |
| 4153 | DEF(TOK___moddi3, "__moddi3") |
| 4154 | DEF(TOK___udivdi3, "__udivdi3") |
| 4155 | DEF(TOK___umoddi3, "__umoddi3") |
| 4156 | #if defined(TCC_TARGET_ARM) |
| 4157 | DEF(TOK___divsi3, "__divsi3") |
| 4158 | DEF(TOK___modsi3, "__modsi3") |
| 4159 | DEF(TOK___udivsi3, "__udivsi3") |
| 4160 | DEF(TOK___umodsi3, "__umodsi3") |
| 4161 | DEF(TOK___sardi3, "__ashrdi3") |
| 4162 | DEF(TOK___shrdi3, "__lshrdi3") |
| 4163 | DEF(TOK___shldi3, "__ashldi3") |
| 4164 | DEF(TOK___slltold, "__slltold") |
| 4165 | DEF(TOK___fixunssfsi, "__fixunssfsi") |
| 4166 | DEF(TOK___fixunsdfsi, "__fixunsdfsi") |
| 4167 | DEF(TOK___fixunsxfsi, "__fixunsxfsi") |
| 4168 | DEF(TOK___fixsfdi, "__fixsfdi") |
| 4169 | DEF(TOK___fixdfdi, "__fixdfdi") |
| 4170 | DEF(TOK___fixxfdi, "__fixxfdi") |
| 4171 | #elif defined(TCC_TARGET_C67) |
| 4172 | DEF(TOK__divi, "_divi") |
| 4173 | DEF(TOK__divu, "_divu") |
| 4174 | DEF(TOK__divf, "_divf") |
| 4175 | DEF(TOK__divd, "_divd") |
| 4176 | DEF(TOK__remi, "_remi") |
| 4177 | DEF(TOK__remu, "_remu") |
| 4178 | DEF(TOK___sardi3, "__sardi3") |
| 4179 | DEF(TOK___shrdi3, "__shrdi3") |
| 4180 | DEF(TOK___shldi3, "__shldi3") |
| 4181 | #else |
| 4182 | /* XXX: same names on i386 ? */ |
| 4183 | DEF(TOK___sardi3, "__sardi3") |
| 4184 | DEF(TOK___shrdi3, "__shrdi3") |
| 4185 | DEF(TOK___shldi3, "__shldi3") |
| 4186 | #endif |
| 4187 | DEF(TOK___tcc_int_fpu_control, "__tcc_int_fpu_control") |
| 4188 | DEF(TOK___tcc_fpu_control, "__tcc_fpu_control") |
| 4189 | DEF(TOK___ulltof, "__ulltof") |
| 4190 | DEF(TOK___ulltod, "__ulltod") |
| 4191 | DEF(TOK___ulltold, "__ulltold") |
| 4192 | DEF(TOK___fixunssfdi, "__fixunssfdi") |
| 4193 | DEF(TOK___fixunsdfdi, "__fixunsdfdi") |
| 4194 | DEF(TOK___fixunsxfdi, "__fixunsxfdi") |
| 4195 | DEF(TOK___chkstk, "__chkstk") |
| 4196 | |
| 4197 | /* bound checking symbols */ |
| 4198 | #ifdef CONFIG_TCC_BCHECK |
| 4199 | DEF(TOK___bound_ptr_add, "__bound_ptr_add") |
| 4200 | DEF(TOK___bound_ptr_indir1, "__bound_ptr_indir1") |
| 4201 | DEF(TOK___bound_ptr_indir2, "__bound_ptr_indir2") |
| 4202 | DEF(TOK___bound_ptr_indir4, "__bound_ptr_indir4") |
| 4203 | DEF(TOK___bound_ptr_indir8, "__bound_ptr_indir8") |
| 4204 | DEF(TOK___bound_ptr_indir12, "__bound_ptr_indir12") |
| 4205 | DEF(TOK___bound_ptr_indir16, "__bound_ptr_indir16") |
| 4206 | DEF(TOK___bound_local_new, "__bound_local_new") |
| 4207 | DEF(TOK___bound_local_delete, "__bound_local_delete") |
| 4208 | DEF(TOK_malloc, "malloc") |
| 4209 | DEF(TOK_free, "free") |
| 4210 | DEF(TOK_realloc, "realloc") |
| 4211 | DEF(TOK_memalign, "memalign") |
| 4212 | DEF(TOK_calloc, "calloc") |
| 4213 | DEF(TOK_memmove, "memmove") |
| 4214 | DEF(TOK_strlen, "strlen") |
| 4215 | DEF(TOK_strcpy, "strcpy") |
| 4216 | #endif |
| 4217 | |
| 4218 | /* Tiny Assembler */ |
| 4219 | |
| 4220 | DEF_ASM(byte) |
| 4221 | DEF_ASM(align) |
| 4222 | DEF_ASM(skip) |
| 4223 | DEF_ASM(space) |
| 4224 | DEF_ASM(string) |
| 4225 | DEF_ASM(asciz) |
| 4226 | DEF_ASM(ascii) |
| 4227 | DEF_ASM(globl) |
| 4228 | DEF_ASM(global) |
| 4229 | DEF_ASM(text) |
| 4230 | DEF_ASM(data) |
| 4231 | DEF_ASM(bss) |
| 4232 | DEF_ASM(previous) |
| 4233 | DEF_ASM(fill) |
| 4234 | DEF_ASM(org) |
| 4235 | DEF_ASM(quad) |
| 4236 | |
| 4237 | #ifdef TCC_TARGET_I386 |
| 4238 | |
| 4239 | /* WARNING: relative order of tokens is important. */ |
| 4240 | DEF_ASM(al) |
| 4241 | DEF_ASM(cl) |
| 4242 | DEF_ASM(dl) |
| 4243 | DEF_ASM(bl) |
| 4244 | DEF_ASM(ah) |
| 4245 | DEF_ASM(ch) |
| 4246 | DEF_ASM(dh) |
| 4247 | DEF_ASM(bh) |
| 4248 | DEF_ASM(ax) |
| 4249 | DEF_ASM(cx) |
| 4250 | DEF_ASM(dx) |
| 4251 | DEF_ASM(bx) |
| 4252 | DEF_ASM(sp) |
| 4253 | DEF_ASM(bp) |
| 4254 | DEF_ASM(si) |
| 4255 | DEF_ASM(di) |
| 4256 | DEF_ASM(eax) |
| 4257 | DEF_ASM(ecx) |
| 4258 | DEF_ASM(edx) |
| 4259 | DEF_ASM(ebx) |
| 4260 | DEF_ASM(esp) |
| 4261 | DEF_ASM(ebp) |
| 4262 | DEF_ASM(esi) |
| 4263 | DEF_ASM(edi) |
| 4264 | DEF_ASM(mm0) |
| 4265 | DEF_ASM(mm1) |
| 4266 | DEF_ASM(mm2) |
| 4267 | DEF_ASM(mm3) |
| 4268 | DEF_ASM(mm4) |
| 4269 | DEF_ASM(mm5) |
| 4270 | DEF_ASM(mm6) |
| 4271 | DEF_ASM(mm7) |
| 4272 | DEF_ASM(xmm0) |
| 4273 | DEF_ASM(xmm1) |
| 4274 | DEF_ASM(xmm2) |
| 4275 | DEF_ASM(xmm3) |
| 4276 | DEF_ASM(xmm4) |
| 4277 | DEF_ASM(xmm5) |
| 4278 | DEF_ASM(xmm6) |
| 4279 | DEF_ASM(xmm7) |
| 4280 | DEF_ASM(cr0) |
| 4281 | DEF_ASM(cr1) |
| 4282 | DEF_ASM(cr2) |
| 4283 | DEF_ASM(cr3) |
| 4284 | DEF_ASM(cr4) |
| 4285 | DEF_ASM(cr5) |
| 4286 | DEF_ASM(cr6) |
| 4287 | DEF_ASM(cr7) |
| 4288 | DEF_ASM(tr0) |
| 4289 | DEF_ASM(tr1) |
| 4290 | DEF_ASM(tr2) |
| 4291 | DEF_ASM(tr3) |
| 4292 | DEF_ASM(tr4) |
| 4293 | DEF_ASM(tr5) |
| 4294 | DEF_ASM(tr6) |
| 4295 | DEF_ASM(tr7) |
| 4296 | DEF_ASM(db0) |
| 4297 | DEF_ASM(db1) |
| 4298 | DEF_ASM(db2) |
| 4299 | DEF_ASM(db3) |
| 4300 | DEF_ASM(db4) |
| 4301 | DEF_ASM(db5) |
| 4302 | DEF_ASM(db6) |
| 4303 | DEF_ASM(db7) |
| 4304 | DEF_ASM(dr0) |
| 4305 | DEF_ASM(dr1) |
| 4306 | DEF_ASM(dr2) |
| 4307 | DEF_ASM(dr3) |
| 4308 | DEF_ASM(dr4) |
| 4309 | DEF_ASM(dr5) |
| 4310 | DEF_ASM(dr6) |
| 4311 | DEF_ASM(dr7) |
| 4312 | DEF_ASM(es) |
| 4313 | DEF_ASM(cs) |
| 4314 | DEF_ASM(ss) |
| 4315 | DEF_ASM(ds) |
| 4316 | DEF_ASM(fs) |
| 4317 | DEF_ASM(gs) |
| 4318 | DEF_ASM(st) |
| 4319 | |
| 4320 | DEF_BWL(mov) |
| 4321 | |
| 4322 | /* generic two operands */ |
| 4323 | DEF_BWL(add) |
| 4324 | DEF_BWL(or) |
| 4325 | DEF_BWL(adc) |
| 4326 | DEF_BWL(sbb) |
| 4327 | DEF_BWL(and) |
| 4328 | DEF_BWL(sub) |
| 4329 | DEF_BWL(xor) |
| 4330 | DEF_BWL(cmp) |
| 4331 | |
| 4332 | /* unary ops */ |
| 4333 | DEF_BWL(inc) |
| 4334 | DEF_BWL(dec) |
| 4335 | DEF_BWL(not) |
| 4336 | DEF_BWL(neg) |
| 4337 | DEF_BWL(mul) |
| 4338 | DEF_BWL(imul) |
| 4339 | DEF_BWL(div) |
| 4340 | DEF_BWL(idiv) |
| 4341 | |
| 4342 | DEF_BWL(xchg) |
| 4343 | DEF_BWL(test) |
| 4344 | |
| 4345 | /* shifts */ |
| 4346 | DEF_BWL(rol) |
| 4347 | DEF_BWL(ror) |
| 4348 | DEF_BWL(rcl) |
| 4349 | DEF_BWL(rcr) |
| 4350 | DEF_BWL(shl) |
| 4351 | DEF_BWL(shr) |
| 4352 | DEF_BWL(sar) |
| 4353 | |
| 4354 | DEF_ASM(shldw) |
| 4355 | DEF_ASM(shldl) |
| 4356 | DEF_ASM(shld) |
| 4357 | DEF_ASM(shrdw) |
| 4358 | DEF_ASM(shrdl) |
| 4359 | DEF_ASM(shrd) |
| 4360 | |
| 4361 | DEF_ASM(pushw) |
| 4362 | DEF_ASM(pushl) |
| 4363 | DEF_ASM(push) |
| 4364 | DEF_ASM(popw) |
| 4365 | DEF_ASM(popl) |
| 4366 | DEF_ASM(pop) |
| 4367 | DEF_BWL(in) |
| 4368 | DEF_BWL(out) |
| 4369 | |
| 4370 | DEF_WL(movzb) |
| 4371 | |
| 4372 | DEF_ASM(movzwl) |
| 4373 | DEF_ASM(movsbw) |
| 4374 | DEF_ASM(movsbl) |
| 4375 | DEF_ASM(movswl) |
| 4376 | |
| 4377 | DEF_WL(lea) |
| 4378 | |
| 4379 | DEF_ASM(les) |
| 4380 | DEF_ASM(lds) |
| 4381 | DEF_ASM(lss) |
| 4382 | DEF_ASM(lfs) |
| 4383 | DEF_ASM(lgs) |
| 4384 | |
| 4385 | DEF_ASM(call) |
| 4386 | DEF_ASM(jmp) |
| 4387 | DEF_ASM(lcall) |
| 4388 | DEF_ASM(ljmp) |
| 4389 | |
| 4390 | DEF_ASMTEST(j) |
| 4391 | |
| 4392 | DEF_ASMTEST(set) |
| 4393 | DEF_ASMTEST(cmov) |
| 4394 | |
| 4395 | DEF_WL(bsf) |
| 4396 | DEF_WL(bsr) |
| 4397 | DEF_WL(bt) |
| 4398 | DEF_WL(bts) |
| 4399 | DEF_WL(btr) |
| 4400 | DEF_WL(btc) |
| 4401 | |
| 4402 | DEF_WL(lsl) |
| 4403 | |
| 4404 | /* generic FP ops */ |
| 4405 | DEF_FP(add) |
| 4406 | DEF_FP(mul) |
| 4407 | |
| 4408 | DEF_ASM(fcom) |
| 4409 | DEF_ASM(fcom_1) /* non existant op, just to have a regular table */ |
| 4410 | DEF_FP1(com) |
| 4411 | |
| 4412 | DEF_FP(comp) |
| 4413 | DEF_FP(sub) |
| 4414 | DEF_FP(subr) |
| 4415 | DEF_FP(div) |
| 4416 | DEF_FP(divr) |
| 4417 | |
| 4418 | DEF_BWL(xadd) |
| 4419 | DEF_BWL(cmpxchg) |
| 4420 | |
| 4421 | /* string ops */ |
| 4422 | DEF_BWL(cmps) |
| 4423 | DEF_BWL(scmp) |
| 4424 | DEF_BWL(ins) |
| 4425 | DEF_BWL(outs) |
| 4426 | DEF_BWL(lods) |
| 4427 | DEF_BWL(slod) |
| 4428 | DEF_BWL(movs) |
| 4429 | DEF_BWL(smov) |
| 4430 | DEF_BWL(scas) |
| 4431 | DEF_BWL(ssca) |
| 4432 | DEF_BWL(stos) |
| 4433 | DEF_BWL(ssto) |
| 4434 | |
| 4435 | /* generic asm ops */ |
| 4436 | |
| 4437 | #define ALT(x) |
| 4438 | #define DEF_ASM_OP0(name, opcode) DEF_ASM(name) |
| 4439 | #define DEF_ASM_OP0L(name, opcode, group, instr_type) |
| 4440 | #define DEF_ASM_OP1(name, opcode, group, instr_type, op0) |
| 4441 | #define DEF_ASM_OP2(name, opcode, group, instr_type, op0, op1) |
| 4442 | #define DEF_ASM_OP3(name, opcode, group, instr_type, op0, op1, op2) |
| 4443 | // njn: inlined i386-asm.h |
| 4444 | //#include "i386-asm.h" |
| 4445 | //--------------------------------------------------------------------------- |
| 4446 | DEF_ASM_OP0(pusha, 0x60) /* must be first OP0 */ |
| 4447 | DEF_ASM_OP0(popa, 0x61) |
| 4448 | DEF_ASM_OP0(clc, 0xf8) |
| 4449 | DEF_ASM_OP0(cld, 0xfc) |
| 4450 | DEF_ASM_OP0(cli, 0xfa) |
| 4451 | DEF_ASM_OP0(clts, 0x0f06) |
| 4452 | DEF_ASM_OP0(cmc, 0xf5) |
| 4453 | DEF_ASM_OP0(lahf, 0x9f) |
| 4454 | DEF_ASM_OP0(sahf, 0x9e) |
| 4455 | DEF_ASM_OP0(pushfl, 0x9c) |
| 4456 | DEF_ASM_OP0(popfl, 0x9d) |
| 4457 | DEF_ASM_OP0(pushf, 0x9c) |
| 4458 | DEF_ASM_OP0(popf, 0x9d) |
| 4459 | DEF_ASM_OP0(stc, 0xf9) |
| 4460 | DEF_ASM_OP0(std, 0xfd) |
| 4461 | DEF_ASM_OP0(sti, 0xfb) |
| 4462 | DEF_ASM_OP0(aaa, 0x37) |
| 4463 | DEF_ASM_OP0(aas, 0x3f) |
| 4464 | DEF_ASM_OP0(daa, 0x27) |
| 4465 | DEF_ASM_OP0(das, 0x2f) |
| 4466 | DEF_ASM_OP0(aad, 0xd50a) |
| 4467 | DEF_ASM_OP0(aam, 0xd40a) |
| 4468 | DEF_ASM_OP0(cbw, 0x6698) |
| 4469 | DEF_ASM_OP0(cwd, 0x6699) |
| 4470 | DEF_ASM_OP0(cwde, 0x98) |
| 4471 | DEF_ASM_OP0(cdq, 0x99) |
| 4472 | DEF_ASM_OP0(cbtw, 0x6698) |
| 4473 | DEF_ASM_OP0(cwtl, 0x98) |
| 4474 | DEF_ASM_OP0(cwtd, 0x6699) |
| 4475 | DEF_ASM_OP0(cltd, 0x99) |
| 4476 | DEF_ASM_OP0(int3, 0xcc) |
| 4477 | DEF_ASM_OP0(into, 0xce) |
| 4478 | DEF_ASM_OP0(iret, 0xcf) |
| 4479 | DEF_ASM_OP0(rsm, 0x0faa) |
| 4480 | DEF_ASM_OP0(hlt, 0xf4) |
| 4481 | DEF_ASM_OP0(wait, 0x9b) |
| 4482 | DEF_ASM_OP0(nop, 0x90) |
| 4483 | DEF_ASM_OP0(xlat, 0xd7) |
| 4484 | |
| 4485 | /* strings */ |
| 4486 | ALT(DEF_ASM_OP0L(cmpsb, 0xa6, 0, OPC_BWL)) |
| 4487 | ALT(DEF_ASM_OP0L(scmpb, 0xa6, 0, OPC_BWL)) |
| 4488 | |
| 4489 | ALT(DEF_ASM_OP0L(insb, 0x6c, 0, OPC_BWL)) |
| 4490 | ALT(DEF_ASM_OP0L(outsb, 0x6e, 0, OPC_BWL)) |
| 4491 | |
| 4492 | ALT(DEF_ASM_OP0L(lodsb, 0xac, 0, OPC_BWL)) |
| 4493 | ALT(DEF_ASM_OP0L(slodb, 0xac, 0, OPC_BWL)) |
| 4494 | |
| 4495 | ALT(DEF_ASM_OP0L(movsb, 0xa4, 0, OPC_BWL)) |
| 4496 | ALT(DEF_ASM_OP0L(smovb, 0xa4, 0, OPC_BWL)) |
| 4497 | |
| 4498 | ALT(DEF_ASM_OP0L(scasb, 0xae, 0, OPC_BWL)) |
| 4499 | ALT(DEF_ASM_OP0L(sscab, 0xae, 0, OPC_BWL)) |
| 4500 | |
| 4501 | ALT(DEF_ASM_OP0L(stosb, 0xaa, 0, OPC_BWL)) |
| 4502 | ALT(DEF_ASM_OP0L(sstob, 0xaa, 0, OPC_BWL)) |
| 4503 | |
| 4504 | /* bits */ |
| 4505 | |
| 4506 | ALT(DEF_ASM_OP2(bsfw, 0x0fbc, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA, OPT_REGW)) |
| 4507 | ALT(DEF_ASM_OP2(bsrw, 0x0fbd, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA, OPT_REGW)) |
| 4508 | |
| 4509 | ALT(DEF_ASM_OP2(btw, 0x0fa3, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) |
| 4510 | ALT(DEF_ASM_OP2(btw, 0x0fba, 4, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) |
| 4511 | |
| 4512 | ALT(DEF_ASM_OP2(btsw, 0x0fab, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) |
| 4513 | ALT(DEF_ASM_OP2(btsw, 0x0fba, 5, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) |
| 4514 | |
| 4515 | ALT(DEF_ASM_OP2(btrw, 0x0fb3, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) |
| 4516 | ALT(DEF_ASM_OP2(btrw, 0x0fba, 6, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) |
| 4517 | |
| 4518 | ALT(DEF_ASM_OP2(btcw, 0x0fbb, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) |
| 4519 | ALT(DEF_ASM_OP2(btcw, 0x0fba, 7, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) |
| 4520 | |
| 4521 | /* prefixes */ |
| 4522 | DEF_ASM_OP0(aword, 0x67) |
| 4523 | DEF_ASM_OP0(addr16, 0x67) |
| 4524 | DEF_ASM_OP0(word, 0x66) |
| 4525 | DEF_ASM_OP0(data16, 0x66) |
| 4526 | DEF_ASM_OP0(lock, 0xf0) |
| 4527 | DEF_ASM_OP0(rep, 0xf3) |
| 4528 | DEF_ASM_OP0(repe, 0xf3) |
| 4529 | DEF_ASM_OP0(repz, 0xf3) |
| 4530 | DEF_ASM_OP0(repne, 0xf2) |
| 4531 | DEF_ASM_OP0(repnz, 0xf2) |
| 4532 | |
| 4533 | DEF_ASM_OP0(invd, 0x0f08) |
| 4534 | DEF_ASM_OP0(wbinvd, 0x0f09) |
| 4535 | DEF_ASM_OP0(cpuid, 0x0fa2) |
| 4536 | DEF_ASM_OP0(wrmsr, 0x0f30) |
| 4537 | DEF_ASM_OP0(rdtsc, 0x0f31) |
| 4538 | DEF_ASM_OP0(rdmsr, 0x0f32) |
| 4539 | DEF_ASM_OP0(rdpmc, 0x0f33) |
| 4540 | DEF_ASM_OP0(ud2, 0x0f0b) |
| 4541 | |
| 4542 | /* NOTE: we took the same order as gas opcode definition order */ |
| 4543 | ALT(DEF_ASM_OP2(movb, 0xa0, 0, OPC_BWL, OPT_ADDR, OPT_EAX)) |
| 4544 | ALT(DEF_ASM_OP2(movb, 0xa2, 0, OPC_BWL, OPT_EAX, OPT_ADDR)) |
| 4545 | ALT(DEF_ASM_OP2(movb, 0x88, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) |
| 4546 | ALT(DEF_ASM_OP2(movb, 0x8a, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) |
| 4547 | ALT(DEF_ASM_OP2(movb, 0xb0, 0, OPC_REG | OPC_BWL, OPT_IM, OPT_REG)) |
| 4548 | ALT(DEF_ASM_OP2(movb, 0xc6, 0, OPC_MODRM | OPC_BWL, OPT_IM, OPT_REG | OPT_EA)) |
| 4549 | |
| 4550 | ALT(DEF_ASM_OP2(movw, 0x8c, 0, OPC_MODRM | OPC_WL, OPT_SEG, OPT_EA | OPT_REG)) |
| 4551 | ALT(DEF_ASM_OP2(movw, 0x8e, 0, OPC_MODRM | OPC_WL, OPT_EA | OPT_REG, OPT_SEG)) |
| 4552 | |
| 4553 | ALT(DEF_ASM_OP2(movw, 0x0f20, 0, OPC_MODRM | OPC_WL, OPT_CR, OPT_REG32)) |
| 4554 | ALT(DEF_ASM_OP2(movw, 0x0f21, 0, OPC_MODRM | OPC_WL, OPT_DB, OPT_REG32)) |
| 4555 | ALT(DEF_ASM_OP2(movw, 0x0f24, 0, OPC_MODRM | OPC_WL, OPT_TR, OPT_REG32)) |
| 4556 | ALT(DEF_ASM_OP2(movw, 0x0f22, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_CR)) |
| 4557 | ALT(DEF_ASM_OP2(movw, 0x0f23, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_DB)) |
| 4558 | ALT(DEF_ASM_OP2(movw, 0x0f26, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_TR)) |
| 4559 | |
| 4560 | ALT(DEF_ASM_OP2(movsbl, 0x0fbe, 0, OPC_MODRM, OPT_REG8 | OPT_EA, OPT_REG32)) |
| 4561 | ALT(DEF_ASM_OP2(movsbw, 0x0fbe, 0, OPC_MODRM | OPC_D16, OPT_REG8 | OPT_EA, OPT_REG16)) |
| 4562 | ALT(DEF_ASM_OP2(movswl, 0x0fbf, 0, OPC_MODRM, OPT_REG16 | OPT_EA, OPT_REG32)) |
| 4563 | ALT(DEF_ASM_OP2(movzbw, 0x0fb6, 0, OPC_MODRM | OPC_WL, OPT_REG8 | OPT_EA, OPT_REGW)) |
| 4564 | ALT(DEF_ASM_OP2(movzwl, 0x0fb7, 0, OPC_MODRM, OPT_REG16 | OPT_EA, OPT_REG32)) |
| 4565 | |
| 4566 | ALT(DEF_ASM_OP1(pushw, 0x50, 0, OPC_REG | OPC_WL, OPT_REGW)) |
| 4567 | ALT(DEF_ASM_OP1(pushw, 0xff, 6, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA)) |
| 4568 | ALT(DEF_ASM_OP1(pushw, 0x6a, 0, OPC_WL, OPT_IM8S)) |
| 4569 | ALT(DEF_ASM_OP1(pushw, 0x68, 0, OPC_WL, OPT_IM32)) |
| 4570 | ALT(DEF_ASM_OP1(pushw, 0x06, 0, OPC_WL, OPT_SEG)) |
| 4571 | |
| 4572 | ALT(DEF_ASM_OP1(popw, 0x58, 0, OPC_REG | OPC_WL, OPT_REGW)) |
| 4573 | ALT(DEF_ASM_OP1(popw, 0x8f, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA)) |
| 4574 | ALT(DEF_ASM_OP1(popw, 0x07, 0, OPC_WL, OPT_SEG)) |
| 4575 | |
| 4576 | ALT(DEF_ASM_OP2(xchgw, 0x90, 0, OPC_REG | OPC_WL, OPT_REG, OPT_EAX)) |
| 4577 | ALT(DEF_ASM_OP2(xchgw, 0x90, 0, OPC_REG | OPC_WL, OPT_EAX, OPT_REG)) |
| 4578 | ALT(DEF_ASM_OP2(xchgb, 0x86, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) |
| 4579 | ALT(DEF_ASM_OP2(xchgb, 0x86, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) |
| 4580 | |
| 4581 | ALT(DEF_ASM_OP2(inb, 0xe4, 0, OPC_BWL, OPT_IM8, OPT_EAX)) |
| 4582 | ALT(DEF_ASM_OP1(inb, 0xe4, 0, OPC_BWL, OPT_IM8)) |
| 4583 | ALT(DEF_ASM_OP2(inb, 0xec, 0, OPC_BWL, OPT_DX, OPT_EAX)) |
| 4584 | ALT(DEF_ASM_OP1(inb, 0xec, 0, OPC_BWL, OPT_DX)) |
| 4585 | |
| 4586 | ALT(DEF_ASM_OP2(outb, 0xe6, 0, OPC_BWL, OPT_EAX, OPT_IM8)) |
| 4587 | ALT(DEF_ASM_OP1(outb, 0xe6, 0, OPC_BWL, OPT_IM8)) |
| 4588 | ALT(DEF_ASM_OP2(outb, 0xee, 0, OPC_BWL, OPT_EAX, OPT_DX)) |
| 4589 | ALT(DEF_ASM_OP1(outb, 0xee, 0, OPC_BWL, OPT_DX)) |
| 4590 | |
| 4591 | ALT(DEF_ASM_OP2(leaw, 0x8d, 0, OPC_MODRM | OPC_WL, OPT_EA, OPT_REG)) |
| 4592 | |
| 4593 | ALT(DEF_ASM_OP2(les, 0xc4, 0, OPC_MODRM, OPT_EA, OPT_REG32)) |
| 4594 | ALT(DEF_ASM_OP2(lds, 0xc5, 0, OPC_MODRM, OPT_EA, OPT_REG32)) |
| 4595 | ALT(DEF_ASM_OP2(lss, 0x0fb2, 0, OPC_MODRM, OPT_EA, OPT_REG32)) |
| 4596 | ALT(DEF_ASM_OP2(lfs, 0x0fb4, 0, OPC_MODRM, OPT_EA, OPT_REG32)) |
| 4597 | ALT(DEF_ASM_OP2(lgs, 0x0fb5, 0, OPC_MODRM, OPT_EA, OPT_REG32)) |
| 4598 | |
| 4599 | /* arith */ |
| 4600 | ALT(DEF_ASM_OP2(addb, 0x00, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) /* XXX: use D bit ? */ |
| 4601 | ALT(DEF_ASM_OP2(addb, 0x02, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) |
| 4602 | ALT(DEF_ASM_OP2(addb, 0x04, 0, OPC_ARITH | OPC_BWL, OPT_IM, OPT_EAX)) |
| 4603 | ALT(DEF_ASM_OP2(addb, 0x80, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_IM, OPT_EA | OPT_REG)) |
| 4604 | ALT(DEF_ASM_OP2(addw, 0x83, 0, OPC_ARITH | OPC_MODRM | OPC_WL, OPT_IM8S, OPT_EA | OPT_REG)) |
| 4605 | |
| 4606 | ALT(DEF_ASM_OP2(testb, 0x84, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) |
| 4607 | ALT(DEF_ASM_OP2(testb, 0x84, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) |
| 4608 | ALT(DEF_ASM_OP2(testb, 0xa8, 0, OPC_BWL, OPT_IM, OPT_EAX)) |
| 4609 | ALT(DEF_ASM_OP2(testb, 0xf6, 0, OPC_MODRM | OPC_BWL, OPT_IM, OPT_EA | OPT_REG)) |
| 4610 | |
| 4611 | ALT(DEF_ASM_OP1(incw, 0x40, 0, OPC_REG | OPC_WL, OPT_REGW)) |
| 4612 | ALT(DEF_ASM_OP1(incb, 0xfe, 0, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 4613 | ALT(DEF_ASM_OP1(decw, 0x48, 0, OPC_REG | OPC_WL, OPT_REGW)) |
| 4614 | ALT(DEF_ASM_OP1(decb, 0xfe, 1, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 4615 | |
| 4616 | ALT(DEF_ASM_OP1(notb, 0xf6, 2, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 4617 | ALT(DEF_ASM_OP1(negb, 0xf6, 3, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 4618 | |
| 4619 | ALT(DEF_ASM_OP1(mulb, 0xf6, 4, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 4620 | ALT(DEF_ASM_OP1(imulb, 0xf6, 5, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 4621 | |
| 4622 | ALT(DEF_ASM_OP2(imulw, 0x0faf, 0, OPC_MODRM | OPC_WL, OPT_REG | OPT_EA, OPT_REG)) |
| 4623 | ALT(DEF_ASM_OP3(imulw, 0x6b, 0, OPC_MODRM | OPC_WL, OPT_IM8S, OPT_REGW | OPT_EA, OPT_REGW)) |
| 4624 | ALT(DEF_ASM_OP2(imulw, 0x6b, 0, OPC_MODRM | OPC_WL, OPT_IM8S, OPT_REGW)) |
| 4625 | ALT(DEF_ASM_OP3(imulw, 0x69, 0, OPC_MODRM | OPC_WL, OPT_IMW, OPT_REGW | OPT_EA, OPT_REGW)) |
| 4626 | ALT(DEF_ASM_OP2(imulw, 0x69, 0, OPC_MODRM | OPC_WL, OPT_IMW, OPT_REGW)) |
| 4627 | |
| 4628 | ALT(DEF_ASM_OP1(divb, 0xf6, 6, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 4629 | ALT(DEF_ASM_OP2(divb, 0xf6, 6, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA, OPT_EAX)) |
| 4630 | ALT(DEF_ASM_OP1(idivb, 0xf6, 7, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 4631 | ALT(DEF_ASM_OP2(idivb, 0xf6, 7, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA, OPT_EAX)) |
| 4632 | |
| 4633 | /* shifts */ |
| 4634 | ALT(DEF_ASM_OP2(rolb, 0xc0, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_IM8, OPT_EA | OPT_REG)) |
| 4635 | ALT(DEF_ASM_OP2(rolb, 0xd2, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_CL, OPT_EA | OPT_REG)) |
| 4636 | ALT(DEF_ASM_OP1(rolb, 0xd0, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_EA | OPT_REG)) |
| 4637 | |
| 4638 | ALT(DEF_ASM_OP3(shldw, 0x0fa4, 0, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW, OPT_EA | OPT_REGW)) |
| 4639 | ALT(DEF_ASM_OP3(shldw, 0x0fa5, 0, OPC_MODRM | OPC_WL, OPT_CL, OPT_REGW, OPT_EA | OPT_REGW)) |
| 4640 | ALT(DEF_ASM_OP2(shldw, 0x0fa5, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_EA | OPT_REGW)) |
| 4641 | ALT(DEF_ASM_OP3(shrdw, 0x0fac, 0, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW, OPT_EA | OPT_REGW)) |
| 4642 | ALT(DEF_ASM_OP3(shrdw, 0x0fad, 0, OPC_MODRM | OPC_WL, OPT_CL, OPT_REGW, OPT_EA | OPT_REGW)) |
| 4643 | ALT(DEF_ASM_OP2(shrdw, 0x0fad, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_EA | OPT_REGW)) |
| 4644 | |
| 4645 | ALT(DEF_ASM_OP1(call, 0xff, 2, OPC_MODRM, OPT_INDIR)) |
| 4646 | ALT(DEF_ASM_OP1(call, 0xe8, 0, OPC_JMP, OPT_ADDR)) |
| 4647 | ALT(DEF_ASM_OP1(jmp, 0xff, 4, OPC_MODRM, OPT_INDIR)) |
| 4648 | ALT(DEF_ASM_OP1(jmp, 0xeb, 0, OPC_SHORTJMP | OPC_JMP, OPT_ADDR)) |
| 4649 | |
| 4650 | ALT(DEF_ASM_OP2(lcall, 0x9a, 0, 0, OPT_IM16, OPT_IM32)) |
| 4651 | ALT(DEF_ASM_OP1(lcall, 0xff, 3, 0, OPT_EA)) |
| 4652 | ALT(DEF_ASM_OP2(ljmp, 0xea, 0, 0, OPT_IM16, OPT_IM32)) |
| 4653 | ALT(DEF_ASM_OP1(ljmp, 0xff, 5, 0, OPT_EA)) |
| 4654 | |
| 4655 | ALT(DEF_ASM_OP1(int, 0xcd, 0, 0, OPT_IM8)) |
| 4656 | ALT(DEF_ASM_OP1(seto, 0x0f90, 0, OPC_MODRM | OPC_TEST, OPT_REG8 | OPT_EA)) |
| 4657 | DEF_ASM_OP2(enter, 0xc8, 0, 0, OPT_IM16, OPT_IM8) |
| 4658 | DEF_ASM_OP0(leave, 0xc9) |
| 4659 | DEF_ASM_OP0(ret, 0xc3) |
| 4660 | ALT(DEF_ASM_OP1(ret, 0xc2, 0, 0, OPT_IM16)) |
| 4661 | DEF_ASM_OP0(lret, 0xcb) |
| 4662 | ALT(DEF_ASM_OP1(lret, 0xca, 0, 0, OPT_IM16)) |
| 4663 | |
| 4664 | ALT(DEF_ASM_OP1(jo, 0x70, 0, OPC_SHORTJMP | OPC_JMP | OPC_TEST, OPT_ADDR)) |
| 4665 | DEF_ASM_OP1(loopne, 0xe0, 0, OPC_SHORTJMP, OPT_ADDR) |
| 4666 | DEF_ASM_OP1(loopnz, 0xe0, 0, OPC_SHORTJMP, OPT_ADDR) |
| 4667 | DEF_ASM_OP1(loope, 0xe1, 0, OPC_SHORTJMP, OPT_ADDR) |
| 4668 | DEF_ASM_OP1(loopz, 0xe1, 0, OPC_SHORTJMP, OPT_ADDR) |
| 4669 | DEF_ASM_OP1(loop, 0xe2, 0, OPC_SHORTJMP, OPT_ADDR) |
| 4670 | DEF_ASM_OP1(jecxz, 0xe3, 0, OPC_SHORTJMP, OPT_ADDR) |
| 4671 | |
| 4672 | /* float */ |
| 4673 | /* specific fcomp handling */ |
| 4674 | ALT(DEF_ASM_OP0L(fcomp, 0xd8d9, 0, 0)) |
| 4675 | |
| 4676 | ALT(DEF_ASM_OP1(fadd, 0xd8c0, 0, OPC_FARITH | OPC_REG, OPT_ST)) |
| 4677 | ALT(DEF_ASM_OP2(fadd, 0xd8c0, 0, OPC_FARITH | OPC_REG, OPT_ST, OPT_ST0)) |
| 4678 | ALT(DEF_ASM_OP0L(fadd, 0xdec1, 0, OPC_FARITH)) |
| 4679 | ALT(DEF_ASM_OP1(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST)) |
| 4680 | ALT(DEF_ASM_OP2(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST, OPT_ST0)) |
| 4681 | ALT(DEF_ASM_OP2(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST0, OPT_ST)) |
| 4682 | ALT(DEF_ASM_OP0L(faddp, 0xdec1, 0, OPC_FARITH)) |
| 4683 | ALT(DEF_ASM_OP1(fadds, 0xd8, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) |
| 4684 | ALT(DEF_ASM_OP1(fiaddl, 0xda, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) |
| 4685 | ALT(DEF_ASM_OP1(faddl, 0xdc, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) |
| 4686 | ALT(DEF_ASM_OP1(fiadds, 0xde, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) |
| 4687 | |
| 4688 | DEF_ASM_OP0(fucompp, 0xdae9) |
| 4689 | DEF_ASM_OP0(ftst, 0xd9e4) |
| 4690 | DEF_ASM_OP0(fxam, 0xd9e5) |
| 4691 | DEF_ASM_OP0(fld1, 0xd9e8) |
| 4692 | DEF_ASM_OP0(fldl2t, 0xd9e9) |
| 4693 | DEF_ASM_OP0(fldl2e, 0xd9ea) |
| 4694 | DEF_ASM_OP0(fldpi, 0xd9eb) |
| 4695 | DEF_ASM_OP0(fldlg2, 0xd9ec) |
| 4696 | DEF_ASM_OP0(fldln2, 0xd9ed) |
| 4697 | DEF_ASM_OP0(fldz, 0xd9ee) |
| 4698 | |
| 4699 | DEF_ASM_OP0(f2xm1, 0xd9f0) |
| 4700 | DEF_ASM_OP0(fyl2x, 0xd9f1) |
| 4701 | DEF_ASM_OP0(fptan, 0xd9f2) |
| 4702 | DEF_ASM_OP0(fpatan, 0xd9f3) |
| 4703 | DEF_ASM_OP0(fxtract, 0xd9f4) |
| 4704 | DEF_ASM_OP0(fprem1, 0xd9f5) |
| 4705 | DEF_ASM_OP0(fdecstp, 0xd9f6) |
| 4706 | DEF_ASM_OP0(fincstp, 0xd9f7) |
| 4707 | DEF_ASM_OP0(fprem, 0xd9f8) |
| 4708 | DEF_ASM_OP0(fyl2xp1, 0xd9f9) |
| 4709 | DEF_ASM_OP0(fsqrt, 0xd9fa) |
| 4710 | DEF_ASM_OP0(fsincos, 0xd9fb) |
| 4711 | DEF_ASM_OP0(frndint, 0xd9fc) |
| 4712 | DEF_ASM_OP0(fscale, 0xd9fd) |
| 4713 | DEF_ASM_OP0(fsin, 0xd9fe) |
| 4714 | DEF_ASM_OP0(fcos, 0xd9ff) |
| 4715 | DEF_ASM_OP0(fchs, 0xd9e0) |
| 4716 | DEF_ASM_OP0(fabs, 0xd9e1) |
| 4717 | DEF_ASM_OP0(fninit, 0xdbe3) |
| 4718 | DEF_ASM_OP0(fnclex, 0xdbe2) |
| 4719 | DEF_ASM_OP0(fnop, 0xd9d0) |
| 4720 | DEF_ASM_OP0(fwait, 0x9b) |
| 4721 | |
| 4722 | /* fp load */ |
| 4723 | DEF_ASM_OP1(fld, 0xd9c0, 0, OPC_REG, OPT_ST) |
| 4724 | DEF_ASM_OP1(fldl, 0xd9c0, 0, OPC_REG, OPT_ST) |
| 4725 | DEF_ASM_OP1(flds, 0xd9, 0, OPC_MODRM, OPT_EA) |
| 4726 | ALT(DEF_ASM_OP1(fldl, 0xdd, 0, OPC_MODRM, OPT_EA)) |
| 4727 | DEF_ASM_OP1(fildl, 0xdb, 0, OPC_MODRM, OPT_EA) |
| 4728 | DEF_ASM_OP1(fildq, 0xdf, 5, OPC_MODRM, OPT_EA) |
| 4729 | DEF_ASM_OP1(fildll, 0xdf, 5, OPC_MODRM,OPT_EA) |
| 4730 | DEF_ASM_OP1(fldt, 0xdb, 5, OPC_MODRM, OPT_EA) |
| 4731 | DEF_ASM_OP1(fbld, 0xdf, 4, OPC_MODRM, OPT_EA) |
| 4732 | |
| 4733 | /* fp store */ |
| 4734 | DEF_ASM_OP1(fst, 0xddd0, 0, OPC_REG, OPT_ST) |
| 4735 | DEF_ASM_OP1(fstl, 0xddd0, 0, OPC_REG, OPT_ST) |
| 4736 | DEF_ASM_OP1(fsts, 0xd9, 2, OPC_MODRM, OPT_EA) |
| 4737 | DEF_ASM_OP1(fstps, 0xd9, 3, OPC_MODRM, OPT_EA) |
| 4738 | ALT(DEF_ASM_OP1(fstl, 0xdd, 2, OPC_MODRM, OPT_EA)) |
| 4739 | DEF_ASM_OP1(fstpl, 0xdd, 3, OPC_MODRM, OPT_EA) |
| 4740 | DEF_ASM_OP1(fist, 0xdf, 2, OPC_MODRM, OPT_EA) |
| 4741 | DEF_ASM_OP1(fistp, 0xdf, 3, OPC_MODRM, OPT_EA) |
| 4742 | DEF_ASM_OP1(fistl, 0xdb, 2, OPC_MODRM, OPT_EA) |
| 4743 | DEF_ASM_OP1(fistpl, 0xdb, 3, OPC_MODRM, OPT_EA) |
| 4744 | |
| 4745 | DEF_ASM_OP1(fstp, 0xddd8, 0, OPC_REG, OPT_ST) |
| 4746 | DEF_ASM_OP1(fistpq, 0xdf, 7, OPC_MODRM, OPT_EA) |
| 4747 | DEF_ASM_OP1(fistpll, 0xdf, 7, OPC_MODRM, OPT_EA) |
| 4748 | DEF_ASM_OP1(fstpt, 0xdb, 7, OPC_MODRM, OPT_EA) |
| 4749 | DEF_ASM_OP1(fbstp, 0xdf, 6, OPC_MODRM, OPT_EA) |
| 4750 | |
| 4751 | /* exchange */ |
| 4752 | DEF_ASM_OP0(fxch, 0xd9c9) |
| 4753 | ALT(DEF_ASM_OP1(fxch, 0xd9c8, 0, OPC_REG, OPT_ST)) |
| 4754 | |
| 4755 | /* misc FPU */ |
| 4756 | DEF_ASM_OP1(fucom, 0xdde0, 0, OPC_REG, OPT_ST ) |
| 4757 | DEF_ASM_OP1(fucomp, 0xdde8, 0, OPC_REG, OPT_ST ) |
| 4758 | |
| 4759 | DEF_ASM_OP0L(finit, 0xdbe3, 0, OPC_FWAIT) |
| 4760 | DEF_ASM_OP1(fldcw, 0xd9, 5, OPC_MODRM, OPT_EA ) |
| 4761 | DEF_ASM_OP1(fnstcw, 0xd9, 7, OPC_MODRM, OPT_EA ) |
| 4762 | DEF_ASM_OP1(fstcw, 0xd9, 7, OPC_MODRM | OPC_FWAIT, OPT_EA ) |
| 4763 | DEF_ASM_OP0(fnstsw, 0xdfe0) |
| 4764 | ALT(DEF_ASM_OP1(fnstsw, 0xdfe0, 0, 0, OPT_EAX )) |
| 4765 | ALT(DEF_ASM_OP1(fnstsw, 0xdd, 7, OPC_MODRM, OPT_EA )) |
| 4766 | DEF_ASM_OP1(fstsw, 0xdfe0, 0, OPC_FWAIT, OPT_EAX ) |
| 4767 | ALT(DEF_ASM_OP0L(fstsw, 0xdfe0, 0, OPC_FWAIT)) |
| 4768 | ALT(DEF_ASM_OP1(fstsw, 0xdd, 7, OPC_MODRM | OPC_FWAIT, OPT_EA )) |
| 4769 | DEF_ASM_OP0L(fclex, 0xdbe2, 0, OPC_FWAIT) |
| 4770 | DEF_ASM_OP1(fnstenv, 0xd9, 6, OPC_MODRM, OPT_EA ) |
| 4771 | DEF_ASM_OP1(fstenv, 0xd9, 6, OPC_MODRM | OPC_FWAIT, OPT_EA ) |
| 4772 | DEF_ASM_OP1(fldenv, 0xd9, 4, OPC_MODRM, OPT_EA ) |
| 4773 | DEF_ASM_OP1(fnsave, 0xdd, 6, OPC_MODRM, OPT_EA ) |
| 4774 | DEF_ASM_OP1(fsave, 0xdd, 6, OPC_MODRM | OPC_FWAIT, OPT_EA ) |
| 4775 | DEF_ASM_OP1(frstor, 0xdd, 4, OPC_MODRM, OPT_EA ) |
| 4776 | DEF_ASM_OP1(ffree, 0xddc0, 4, OPC_REG, OPT_ST ) |
| 4777 | DEF_ASM_OP1(ffreep, 0xdfc0, 4, OPC_REG, OPT_ST ) |
| 4778 | DEF_ASM_OP1(fxsave, 0x0fae, 0, OPC_MODRM, OPT_EA ) |
| 4779 | DEF_ASM_OP1(fxrstor, 0x0fae, 1, OPC_MODRM, OPT_EA ) |
| 4780 | |
| 4781 | /* segments */ |
| 4782 | DEF_ASM_OP2(arpl, 0x63, 0, OPC_MODRM, OPT_REG16, OPT_REG16 | OPT_EA) |
| 4783 | DEF_ASM_OP2(lar, 0x0f02, 0, OPC_MODRM, OPT_REG32 | OPT_EA, OPT_REG32) |
| 4784 | DEF_ASM_OP1(lgdt, 0x0f01, 2, OPC_MODRM, OPT_EA) |
| 4785 | DEF_ASM_OP1(lidt, 0x0f01, 3, OPC_MODRM, OPT_EA) |
| 4786 | DEF_ASM_OP1(lldt, 0x0f00, 2, OPC_MODRM, OPT_EA | OPT_REG) |
| 4787 | DEF_ASM_OP1(lmsw, 0x0f01, 6, OPC_MODRM, OPT_EA | OPT_REG) |
| 4788 | ALT(DEF_ASM_OP2(lslw, 0x0f03, 0, OPC_MODRM | OPC_WL, OPT_EA | OPT_REG, OPT_REG)) |
| 4789 | DEF_ASM_OP1(ltr, 0x0f00, 3, OPC_MODRM, OPT_EA | OPT_REG) |
| 4790 | DEF_ASM_OP1(sgdt, 0x0f01, 0, OPC_MODRM, OPT_EA) |
| 4791 | DEF_ASM_OP1(sidt, 0x0f01, 1, OPC_MODRM, OPT_EA) |
| 4792 | DEF_ASM_OP1(sldt, 0x0f00, 0, OPC_MODRM, OPT_REG | OPT_EA) |
| 4793 | DEF_ASM_OP1(smsw, 0x0f01, 4, OPC_MODRM, OPT_REG | OPT_EA) |
| 4794 | DEF_ASM_OP1(str, 0x0f00, 1, OPC_MODRM, OPT_REG16| OPT_EA) |
| 4795 | DEF_ASM_OP1(verr, 0x0f00, 4, OPC_MODRM, OPT_REG | OPT_EA) |
| 4796 | DEF_ASM_OP1(verw, 0x0f00, 5, OPC_MODRM, OPT_REG | OPT_EA) |
| 4797 | |
| 4798 | /* 486 */ |
| 4799 | DEF_ASM_OP1(bswap, 0x0fc8, 0, OPC_REG, OPT_REG32 ) |
| 4800 | ALT(DEF_ASM_OP2(xaddb, 0x0fc0, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_REG | OPT_EA )) |
| 4801 | ALT(DEF_ASM_OP2(cmpxchgb, 0x0fb0, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_REG | OPT_EA )) |
| 4802 | DEF_ASM_OP1(invlpg, 0x0f01, 7, OPC_MODRM, OPT_EA ) |
| 4803 | |
| 4804 | DEF_ASM_OP2(boundl, 0x62, 0, OPC_MODRM, OPT_REG32, OPT_EA) |
| 4805 | DEF_ASM_OP2(boundw, 0x62, 0, OPC_MODRM | OPC_D16, OPT_REG16, OPT_EA) |
| 4806 | |
| 4807 | /* pentium */ |
| 4808 | DEF_ASM_OP1(cmpxchg8b, 0x0fc7, 1, OPC_MODRM, OPT_EA ) |
| 4809 | |
| 4810 | /* pentium pro */ |
| 4811 | ALT(DEF_ASM_OP2(cmovo, 0x0f40, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32)) |
| 4812 | |
| 4813 | DEF_ASM_OP2(fcmovb, 0xdac0, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 4814 | DEF_ASM_OP2(fcmove, 0xdac8, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 4815 | DEF_ASM_OP2(fcmovbe, 0xdad0, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 4816 | DEF_ASM_OP2(fcmovu, 0xdad8, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 4817 | DEF_ASM_OP2(fcmovnb, 0xdbc0, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 4818 | DEF_ASM_OP2(fcmovne, 0xdbc8, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 4819 | DEF_ASM_OP2(fcmovnbe, 0xdbd0, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 4820 | DEF_ASM_OP2(fcmovnu, 0xdbd8, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 4821 | |
| 4822 | DEF_ASM_OP2(fucomi, 0xdbe8, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 4823 | DEF_ASM_OP2(fcomi, 0xdbf0, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 4824 | DEF_ASM_OP2(fucomip, 0xdfe8, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 4825 | DEF_ASM_OP2(fcomip, 0xdff0, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 4826 | |
| 4827 | /* mmx */ |
| 4828 | DEF_ASM_OP0(emms, 0x0f77) /* must be last OP0 */ |
| 4829 | DEF_ASM_OP2(movd, 0x0f6e, 0, OPC_MODRM, OPT_EA | OPT_REG32, OPT_MMX ) |
| 4830 | ALT(DEF_ASM_OP2(movd, 0x0f7e, 0, OPC_MODRM, OPT_MMX, OPT_EA | OPT_REG32 )) |
| 4831 | DEF_ASM_OP2(movq, 0x0f6f, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4832 | ALT(DEF_ASM_OP2(movq, 0x0f7f, 0, OPC_MODRM, OPT_MMX, OPT_EA | OPT_MMX )) |
| 4833 | DEF_ASM_OP2(packssdw, 0x0f6b, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4834 | DEF_ASM_OP2(packsswb, 0x0f63, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4835 | DEF_ASM_OP2(packuswb, 0x0f67, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4836 | DEF_ASM_OP2(paddb, 0x0ffc, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4837 | DEF_ASM_OP2(paddw, 0x0ffd, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4838 | DEF_ASM_OP2(paddd, 0x0ffe, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4839 | DEF_ASM_OP2(paddsb, 0x0fec, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4840 | DEF_ASM_OP2(paddsw, 0x0fed, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4841 | DEF_ASM_OP2(paddusb, 0x0fdc, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4842 | DEF_ASM_OP2(paddusw, 0x0fdd, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4843 | DEF_ASM_OP2(pand, 0x0fdb, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4844 | DEF_ASM_OP2(pandn, 0x0fdf, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4845 | DEF_ASM_OP2(pcmpeqb, 0x0f74, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4846 | DEF_ASM_OP2(pcmpeqw, 0x0f75, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4847 | DEF_ASM_OP2(pcmpeqd, 0x0f76, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4848 | DEF_ASM_OP2(pcmpgtb, 0x0f64, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4849 | DEF_ASM_OP2(pcmpgtw, 0x0f65, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4850 | DEF_ASM_OP2(pcmpgtd, 0x0f66, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4851 | DEF_ASM_OP2(pmaddwd, 0x0ff5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4852 | DEF_ASM_OP2(pmulhw, 0x0fe5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4853 | DEF_ASM_OP2(pmullw, 0x0fd5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4854 | DEF_ASM_OP2(por, 0x0feb, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4855 | DEF_ASM_OP2(psllw, 0x0ff1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4856 | ALT(DEF_ASM_OP2(psllw, 0x0f71, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 4857 | DEF_ASM_OP2(pslld, 0x0ff2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4858 | ALT(DEF_ASM_OP2(pslld, 0x0f72, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 4859 | DEF_ASM_OP2(psllq, 0x0ff3, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4860 | ALT(DEF_ASM_OP2(psllq, 0x0f73, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 4861 | DEF_ASM_OP2(psraw, 0x0fe1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4862 | ALT(DEF_ASM_OP2(psraw, 0x0f71, 4, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 4863 | DEF_ASM_OP2(psrad, 0x0fe2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4864 | ALT(DEF_ASM_OP2(psrad, 0x0f72, 4, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 4865 | DEF_ASM_OP2(psrlw, 0x0fd1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4866 | ALT(DEF_ASM_OP2(psrlw, 0x0f71, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 4867 | DEF_ASM_OP2(psrld, 0x0fd2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4868 | ALT(DEF_ASM_OP2(psrld, 0x0f72, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 4869 | DEF_ASM_OP2(psrlq, 0x0fd3, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4870 | ALT(DEF_ASM_OP2(psrlq, 0x0f73, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 4871 | DEF_ASM_OP2(psubb, 0x0ff8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4872 | DEF_ASM_OP2(psubw, 0x0ff9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4873 | DEF_ASM_OP2(psubd, 0x0ffa, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4874 | DEF_ASM_OP2(psubsb, 0x0fe8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4875 | DEF_ASM_OP2(psubsw, 0x0fe9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4876 | DEF_ASM_OP2(psubusb, 0x0fd8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4877 | DEF_ASM_OP2(psubusw, 0x0fd9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4878 | DEF_ASM_OP2(punpckhbw, 0x0f68, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4879 | DEF_ASM_OP2(punpckhwd, 0x0f69, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4880 | DEF_ASM_OP2(punpckhdq, 0x0f6a, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4881 | DEF_ASM_OP2(punpcklbw, 0x0f60, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4882 | DEF_ASM_OP2(punpcklwd, 0x0f61, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4883 | DEF_ASM_OP2(punpckldq, 0x0f62, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4884 | DEF_ASM_OP2(pxor, 0x0fef, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 4885 | |
| 4886 | #undef ALT |
| 4887 | #undef DEF_ASM_OP0 |
| 4888 | #undef DEF_ASM_OP0L |
| 4889 | #undef DEF_ASM_OP1 |
| 4890 | #undef DEF_ASM_OP2 |
| 4891 | #undef DEF_ASM_OP3 |
| 4892 | //--------------------------------------------------------------------------- |
| 4893 | |
| 4894 | #define ALT(x) |
| 4895 | #define DEF_ASM_OP0(name, opcode) |
| 4896 | #define DEF_ASM_OP0L(name, opcode, group, instr_type) DEF_ASM(name) |
| 4897 | #define DEF_ASM_OP1(name, opcode, group, instr_type, op0) DEF_ASM(name) |
| 4898 | #define DEF_ASM_OP2(name, opcode, group, instr_type, op0, op1) DEF_ASM(name) |
| 4899 | #define DEF_ASM_OP3(name, opcode, group, instr_type, op0, op1, op2) DEF_ASM(name) |
| 4900 | // njn: inlined i386-asm.h |
| 4901 | //#include "i386-asm.h" |
| 4902 | //--------------------------------------------------------------------------- |
| 4903 | DEF_ASM_OP0(pusha, 0x60) /* must be first OP0 */ |
| 4904 | DEF_ASM_OP0(popa, 0x61) |
| 4905 | DEF_ASM_OP0(clc, 0xf8) |
| 4906 | DEF_ASM_OP0(cld, 0xfc) |
| 4907 | DEF_ASM_OP0(cli, 0xfa) |
| 4908 | DEF_ASM_OP0(clts, 0x0f06) |
| 4909 | DEF_ASM_OP0(cmc, 0xf5) |
| 4910 | DEF_ASM_OP0(lahf, 0x9f) |
| 4911 | DEF_ASM_OP0(sahf, 0x9e) |
| 4912 | DEF_ASM_OP0(pushfl, 0x9c) |
| 4913 | DEF_ASM_OP0(popfl, 0x9d) |
| 4914 | DEF_ASM_OP0(pushf, 0x9c) |
| 4915 | DEF_ASM_OP0(popf, 0x9d) |
| 4916 | DEF_ASM_OP0(stc, 0xf9) |
| 4917 | DEF_ASM_OP0(std, 0xfd) |
| 4918 | DEF_ASM_OP0(sti, 0xfb) |
| 4919 | DEF_ASM_OP0(aaa, 0x37) |
| 4920 | DEF_ASM_OP0(aas, 0x3f) |
| 4921 | DEF_ASM_OP0(daa, 0x27) |
| 4922 | DEF_ASM_OP0(das, 0x2f) |
| 4923 | DEF_ASM_OP0(aad, 0xd50a) |
| 4924 | DEF_ASM_OP0(aam, 0xd40a) |
| 4925 | DEF_ASM_OP0(cbw, 0x6698) |
| 4926 | DEF_ASM_OP0(cwd, 0x6699) |
| 4927 | DEF_ASM_OP0(cwde, 0x98) |
| 4928 | DEF_ASM_OP0(cdq, 0x99) |
| 4929 | DEF_ASM_OP0(cbtw, 0x6698) |
| 4930 | DEF_ASM_OP0(cwtl, 0x98) |
| 4931 | DEF_ASM_OP0(cwtd, 0x6699) |
| 4932 | DEF_ASM_OP0(cltd, 0x99) |
| 4933 | DEF_ASM_OP0(int3, 0xcc) |
| 4934 | DEF_ASM_OP0(into, 0xce) |
| 4935 | DEF_ASM_OP0(iret, 0xcf) |
| 4936 | DEF_ASM_OP0(rsm, 0x0faa) |
| 4937 | DEF_ASM_OP0(hlt, 0xf4) |
| 4938 | DEF_ASM_OP0(wait, 0x9b) |
| 4939 | DEF_ASM_OP0(nop, 0x90) |
| 4940 | DEF_ASM_OP0(xlat, 0xd7) |
| 4941 | |
| 4942 | /* strings */ |
| 4943 | ALT(DEF_ASM_OP0L(cmpsb, 0xa6, 0, OPC_BWL)) |
| 4944 | ALT(DEF_ASM_OP0L(scmpb, 0xa6, 0, OPC_BWL)) |
| 4945 | |
| 4946 | ALT(DEF_ASM_OP0L(insb, 0x6c, 0, OPC_BWL)) |
| 4947 | ALT(DEF_ASM_OP0L(outsb, 0x6e, 0, OPC_BWL)) |
| 4948 | |
| 4949 | ALT(DEF_ASM_OP0L(lodsb, 0xac, 0, OPC_BWL)) |
| 4950 | ALT(DEF_ASM_OP0L(slodb, 0xac, 0, OPC_BWL)) |
| 4951 | |
| 4952 | ALT(DEF_ASM_OP0L(movsb, 0xa4, 0, OPC_BWL)) |
| 4953 | ALT(DEF_ASM_OP0L(smovb, 0xa4, 0, OPC_BWL)) |
| 4954 | |
| 4955 | ALT(DEF_ASM_OP0L(scasb, 0xae, 0, OPC_BWL)) |
| 4956 | ALT(DEF_ASM_OP0L(sscab, 0xae, 0, OPC_BWL)) |
| 4957 | |
| 4958 | ALT(DEF_ASM_OP0L(stosb, 0xaa, 0, OPC_BWL)) |
| 4959 | ALT(DEF_ASM_OP0L(sstob, 0xaa, 0, OPC_BWL)) |
| 4960 | |
| 4961 | /* bits */ |
| 4962 | |
| 4963 | ALT(DEF_ASM_OP2(bsfw, 0x0fbc, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA, OPT_REGW)) |
| 4964 | ALT(DEF_ASM_OP2(bsrw, 0x0fbd, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA, OPT_REGW)) |
| 4965 | |
| 4966 | ALT(DEF_ASM_OP2(btw, 0x0fa3, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) |
| 4967 | ALT(DEF_ASM_OP2(btw, 0x0fba, 4, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) |
| 4968 | |
| 4969 | ALT(DEF_ASM_OP2(btsw, 0x0fab, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) |
| 4970 | ALT(DEF_ASM_OP2(btsw, 0x0fba, 5, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) |
| 4971 | |
| 4972 | ALT(DEF_ASM_OP2(btrw, 0x0fb3, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) |
| 4973 | ALT(DEF_ASM_OP2(btrw, 0x0fba, 6, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) |
| 4974 | |
| 4975 | ALT(DEF_ASM_OP2(btcw, 0x0fbb, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) |
| 4976 | ALT(DEF_ASM_OP2(btcw, 0x0fba, 7, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) |
| 4977 | |
| 4978 | /* prefixes */ |
| 4979 | DEF_ASM_OP0(aword, 0x67) |
| 4980 | DEF_ASM_OP0(addr16, 0x67) |
| 4981 | DEF_ASM_OP0(word, 0x66) |
| 4982 | DEF_ASM_OP0(data16, 0x66) |
| 4983 | DEF_ASM_OP0(lock, 0xf0) |
| 4984 | DEF_ASM_OP0(rep, 0xf3) |
| 4985 | DEF_ASM_OP0(repe, 0xf3) |
| 4986 | DEF_ASM_OP0(repz, 0xf3) |
| 4987 | DEF_ASM_OP0(repne, 0xf2) |
| 4988 | DEF_ASM_OP0(repnz, 0xf2) |
| 4989 | |
| 4990 | DEF_ASM_OP0(invd, 0x0f08) |
| 4991 | DEF_ASM_OP0(wbinvd, 0x0f09) |
| 4992 | DEF_ASM_OP0(cpuid, 0x0fa2) |
| 4993 | DEF_ASM_OP0(wrmsr, 0x0f30) |
| 4994 | DEF_ASM_OP0(rdtsc, 0x0f31) |
| 4995 | DEF_ASM_OP0(rdmsr, 0x0f32) |
| 4996 | DEF_ASM_OP0(rdpmc, 0x0f33) |
| 4997 | DEF_ASM_OP0(ud2, 0x0f0b) |
| 4998 | |
| 4999 | /* NOTE: we took the same order as gas opcode definition order */ |
| 5000 | ALT(DEF_ASM_OP2(movb, 0xa0, 0, OPC_BWL, OPT_ADDR, OPT_EAX)) |
| 5001 | ALT(DEF_ASM_OP2(movb, 0xa2, 0, OPC_BWL, OPT_EAX, OPT_ADDR)) |
| 5002 | ALT(DEF_ASM_OP2(movb, 0x88, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) |
| 5003 | ALT(DEF_ASM_OP2(movb, 0x8a, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) |
| 5004 | ALT(DEF_ASM_OP2(movb, 0xb0, 0, OPC_REG | OPC_BWL, OPT_IM, OPT_REG)) |
| 5005 | ALT(DEF_ASM_OP2(movb, 0xc6, 0, OPC_MODRM | OPC_BWL, OPT_IM, OPT_REG | OPT_EA)) |
| 5006 | |
| 5007 | ALT(DEF_ASM_OP2(movw, 0x8c, 0, OPC_MODRM | OPC_WL, OPT_SEG, OPT_EA | OPT_REG)) |
| 5008 | ALT(DEF_ASM_OP2(movw, 0x8e, 0, OPC_MODRM | OPC_WL, OPT_EA | OPT_REG, OPT_SEG)) |
| 5009 | |
| 5010 | ALT(DEF_ASM_OP2(movw, 0x0f20, 0, OPC_MODRM | OPC_WL, OPT_CR, OPT_REG32)) |
| 5011 | ALT(DEF_ASM_OP2(movw, 0x0f21, 0, OPC_MODRM | OPC_WL, OPT_DB, OPT_REG32)) |
| 5012 | ALT(DEF_ASM_OP2(movw, 0x0f24, 0, OPC_MODRM | OPC_WL, OPT_TR, OPT_REG32)) |
| 5013 | ALT(DEF_ASM_OP2(movw, 0x0f22, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_CR)) |
| 5014 | ALT(DEF_ASM_OP2(movw, 0x0f23, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_DB)) |
| 5015 | ALT(DEF_ASM_OP2(movw, 0x0f26, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_TR)) |
| 5016 | |
| 5017 | ALT(DEF_ASM_OP2(movsbl, 0x0fbe, 0, OPC_MODRM, OPT_REG8 | OPT_EA, OPT_REG32)) |
| 5018 | ALT(DEF_ASM_OP2(movsbw, 0x0fbe, 0, OPC_MODRM | OPC_D16, OPT_REG8 | OPT_EA, OPT_REG16)) |
| 5019 | ALT(DEF_ASM_OP2(movswl, 0x0fbf, 0, OPC_MODRM, OPT_REG16 | OPT_EA, OPT_REG32)) |
| 5020 | ALT(DEF_ASM_OP2(movzbw, 0x0fb6, 0, OPC_MODRM | OPC_WL, OPT_REG8 | OPT_EA, OPT_REGW)) |
| 5021 | ALT(DEF_ASM_OP2(movzwl, 0x0fb7, 0, OPC_MODRM, OPT_REG16 | OPT_EA, OPT_REG32)) |
| 5022 | |
| 5023 | ALT(DEF_ASM_OP1(pushw, 0x50, 0, OPC_REG | OPC_WL, OPT_REGW)) |
| 5024 | ALT(DEF_ASM_OP1(pushw, 0xff, 6, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA)) |
| 5025 | ALT(DEF_ASM_OP1(pushw, 0x6a, 0, OPC_WL, OPT_IM8S)) |
| 5026 | ALT(DEF_ASM_OP1(pushw, 0x68, 0, OPC_WL, OPT_IM32)) |
| 5027 | ALT(DEF_ASM_OP1(pushw, 0x06, 0, OPC_WL, OPT_SEG)) |
| 5028 | |
| 5029 | ALT(DEF_ASM_OP1(popw, 0x58, 0, OPC_REG | OPC_WL, OPT_REGW)) |
| 5030 | ALT(DEF_ASM_OP1(popw, 0x8f, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA)) |
| 5031 | ALT(DEF_ASM_OP1(popw, 0x07, 0, OPC_WL, OPT_SEG)) |
| 5032 | |
| 5033 | ALT(DEF_ASM_OP2(xchgw, 0x90, 0, OPC_REG | OPC_WL, OPT_REG, OPT_EAX)) |
| 5034 | ALT(DEF_ASM_OP2(xchgw, 0x90, 0, OPC_REG | OPC_WL, OPT_EAX, OPT_REG)) |
| 5035 | ALT(DEF_ASM_OP2(xchgb, 0x86, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) |
| 5036 | ALT(DEF_ASM_OP2(xchgb, 0x86, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) |
| 5037 | |
| 5038 | ALT(DEF_ASM_OP2(inb, 0xe4, 0, OPC_BWL, OPT_IM8, OPT_EAX)) |
| 5039 | ALT(DEF_ASM_OP1(inb, 0xe4, 0, OPC_BWL, OPT_IM8)) |
| 5040 | ALT(DEF_ASM_OP2(inb, 0xec, 0, OPC_BWL, OPT_DX, OPT_EAX)) |
| 5041 | ALT(DEF_ASM_OP1(inb, 0xec, 0, OPC_BWL, OPT_DX)) |
| 5042 | |
| 5043 | ALT(DEF_ASM_OP2(outb, 0xe6, 0, OPC_BWL, OPT_EAX, OPT_IM8)) |
| 5044 | ALT(DEF_ASM_OP1(outb, 0xe6, 0, OPC_BWL, OPT_IM8)) |
| 5045 | ALT(DEF_ASM_OP2(outb, 0xee, 0, OPC_BWL, OPT_EAX, OPT_DX)) |
| 5046 | ALT(DEF_ASM_OP1(outb, 0xee, 0, OPC_BWL, OPT_DX)) |
| 5047 | |
| 5048 | ALT(DEF_ASM_OP2(leaw, 0x8d, 0, OPC_MODRM | OPC_WL, OPT_EA, OPT_REG)) |
| 5049 | |
| 5050 | ALT(DEF_ASM_OP2(les, 0xc4, 0, OPC_MODRM, OPT_EA, OPT_REG32)) |
| 5051 | ALT(DEF_ASM_OP2(lds, 0xc5, 0, OPC_MODRM, OPT_EA, OPT_REG32)) |
| 5052 | ALT(DEF_ASM_OP2(lss, 0x0fb2, 0, OPC_MODRM, OPT_EA, OPT_REG32)) |
| 5053 | ALT(DEF_ASM_OP2(lfs, 0x0fb4, 0, OPC_MODRM, OPT_EA, OPT_REG32)) |
| 5054 | ALT(DEF_ASM_OP2(lgs, 0x0fb5, 0, OPC_MODRM, OPT_EA, OPT_REG32)) |
| 5055 | |
| 5056 | /* arith */ |
| 5057 | ALT(DEF_ASM_OP2(addb, 0x00, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) /* XXX: use D bit ? */ |
| 5058 | ALT(DEF_ASM_OP2(addb, 0x02, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) |
| 5059 | ALT(DEF_ASM_OP2(addb, 0x04, 0, OPC_ARITH | OPC_BWL, OPT_IM, OPT_EAX)) |
| 5060 | ALT(DEF_ASM_OP2(addb, 0x80, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_IM, OPT_EA | OPT_REG)) |
| 5061 | ALT(DEF_ASM_OP2(addw, 0x83, 0, OPC_ARITH | OPC_MODRM | OPC_WL, OPT_IM8S, OPT_EA | OPT_REG)) |
| 5062 | |
| 5063 | ALT(DEF_ASM_OP2(testb, 0x84, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) |
| 5064 | ALT(DEF_ASM_OP2(testb, 0x84, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) |
| 5065 | ALT(DEF_ASM_OP2(testb, 0xa8, 0, OPC_BWL, OPT_IM, OPT_EAX)) |
| 5066 | ALT(DEF_ASM_OP2(testb, 0xf6, 0, OPC_MODRM | OPC_BWL, OPT_IM, OPT_EA | OPT_REG)) |
| 5067 | |
| 5068 | ALT(DEF_ASM_OP1(incw, 0x40, 0, OPC_REG | OPC_WL, OPT_REGW)) |
| 5069 | ALT(DEF_ASM_OP1(incb, 0xfe, 0, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 5070 | ALT(DEF_ASM_OP1(decw, 0x48, 0, OPC_REG | OPC_WL, OPT_REGW)) |
| 5071 | ALT(DEF_ASM_OP1(decb, 0xfe, 1, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 5072 | |
| 5073 | ALT(DEF_ASM_OP1(notb, 0xf6, 2, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 5074 | ALT(DEF_ASM_OP1(negb, 0xf6, 3, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 5075 | |
| 5076 | ALT(DEF_ASM_OP1(mulb, 0xf6, 4, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 5077 | ALT(DEF_ASM_OP1(imulb, 0xf6, 5, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 5078 | |
| 5079 | ALT(DEF_ASM_OP2(imulw, 0x0faf, 0, OPC_MODRM | OPC_WL, OPT_REG | OPT_EA, OPT_REG)) |
| 5080 | ALT(DEF_ASM_OP3(imulw, 0x6b, 0, OPC_MODRM | OPC_WL, OPT_IM8S, OPT_REGW | OPT_EA, OPT_REGW)) |
| 5081 | ALT(DEF_ASM_OP2(imulw, 0x6b, 0, OPC_MODRM | OPC_WL, OPT_IM8S, OPT_REGW)) |
| 5082 | ALT(DEF_ASM_OP3(imulw, 0x69, 0, OPC_MODRM | OPC_WL, OPT_IMW, OPT_REGW | OPT_EA, OPT_REGW)) |
| 5083 | ALT(DEF_ASM_OP2(imulw, 0x69, 0, OPC_MODRM | OPC_WL, OPT_IMW, OPT_REGW)) |
| 5084 | |
| 5085 | ALT(DEF_ASM_OP1(divb, 0xf6, 6, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 5086 | ALT(DEF_ASM_OP2(divb, 0xf6, 6, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA, OPT_EAX)) |
| 5087 | ALT(DEF_ASM_OP1(idivb, 0xf6, 7, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 5088 | ALT(DEF_ASM_OP2(idivb, 0xf6, 7, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA, OPT_EAX)) |
| 5089 | |
| 5090 | /* shifts */ |
| 5091 | ALT(DEF_ASM_OP2(rolb, 0xc0, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_IM8, OPT_EA | OPT_REG)) |
| 5092 | ALT(DEF_ASM_OP2(rolb, 0xd2, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_CL, OPT_EA | OPT_REG)) |
| 5093 | ALT(DEF_ASM_OP1(rolb, 0xd0, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_EA | OPT_REG)) |
| 5094 | |
| 5095 | ALT(DEF_ASM_OP3(shldw, 0x0fa4, 0, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW, OPT_EA | OPT_REGW)) |
| 5096 | ALT(DEF_ASM_OP3(shldw, 0x0fa5, 0, OPC_MODRM | OPC_WL, OPT_CL, OPT_REGW, OPT_EA | OPT_REGW)) |
| 5097 | ALT(DEF_ASM_OP2(shldw, 0x0fa5, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_EA | OPT_REGW)) |
| 5098 | ALT(DEF_ASM_OP3(shrdw, 0x0fac, 0, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW, OPT_EA | OPT_REGW)) |
| 5099 | ALT(DEF_ASM_OP3(shrdw, 0x0fad, 0, OPC_MODRM | OPC_WL, OPT_CL, OPT_REGW, OPT_EA | OPT_REGW)) |
| 5100 | ALT(DEF_ASM_OP2(shrdw, 0x0fad, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_EA | OPT_REGW)) |
| 5101 | |
| 5102 | ALT(DEF_ASM_OP1(call, 0xff, 2, OPC_MODRM, OPT_INDIR)) |
| 5103 | ALT(DEF_ASM_OP1(call, 0xe8, 0, OPC_JMP, OPT_ADDR)) |
| 5104 | ALT(DEF_ASM_OP1(jmp, 0xff, 4, OPC_MODRM, OPT_INDIR)) |
| 5105 | ALT(DEF_ASM_OP1(jmp, 0xeb, 0, OPC_SHORTJMP | OPC_JMP, OPT_ADDR)) |
| 5106 | |
| 5107 | ALT(DEF_ASM_OP2(lcall, 0x9a, 0, 0, OPT_IM16, OPT_IM32)) |
| 5108 | ALT(DEF_ASM_OP1(lcall, 0xff, 3, 0, OPT_EA)) |
| 5109 | ALT(DEF_ASM_OP2(ljmp, 0xea, 0, 0, OPT_IM16, OPT_IM32)) |
| 5110 | ALT(DEF_ASM_OP1(ljmp, 0xff, 5, 0, OPT_EA)) |
| 5111 | |
| 5112 | ALT(DEF_ASM_OP1(int, 0xcd, 0, 0, OPT_IM8)) |
| 5113 | ALT(DEF_ASM_OP1(seto, 0x0f90, 0, OPC_MODRM | OPC_TEST, OPT_REG8 | OPT_EA)) |
| 5114 | DEF_ASM_OP2(enter, 0xc8, 0, 0, OPT_IM16, OPT_IM8) |
| 5115 | DEF_ASM_OP0(leave, 0xc9) |
| 5116 | DEF_ASM_OP0(ret, 0xc3) |
| 5117 | ALT(DEF_ASM_OP1(ret, 0xc2, 0, 0, OPT_IM16)) |
| 5118 | DEF_ASM_OP0(lret, 0xcb) |
| 5119 | ALT(DEF_ASM_OP1(lret, 0xca, 0, 0, OPT_IM16)) |
| 5120 | |
| 5121 | ALT(DEF_ASM_OP1(jo, 0x70, 0, OPC_SHORTJMP | OPC_JMP | OPC_TEST, OPT_ADDR)) |
| 5122 | DEF_ASM_OP1(loopne, 0xe0, 0, OPC_SHORTJMP, OPT_ADDR) |
| 5123 | DEF_ASM_OP1(loopnz, 0xe0, 0, OPC_SHORTJMP, OPT_ADDR) |
| 5124 | DEF_ASM_OP1(loope, 0xe1, 0, OPC_SHORTJMP, OPT_ADDR) |
| 5125 | DEF_ASM_OP1(loopz, 0xe1, 0, OPC_SHORTJMP, OPT_ADDR) |
| 5126 | DEF_ASM_OP1(loop, 0xe2, 0, OPC_SHORTJMP, OPT_ADDR) |
| 5127 | DEF_ASM_OP1(jecxz, 0xe3, 0, OPC_SHORTJMP, OPT_ADDR) |
| 5128 | |
| 5129 | /* float */ |
| 5130 | /* specific fcomp handling */ |
| 5131 | ALT(DEF_ASM_OP0L(fcomp, 0xd8d9, 0, 0)) |
| 5132 | |
| 5133 | ALT(DEF_ASM_OP1(fadd, 0xd8c0, 0, OPC_FARITH | OPC_REG, OPT_ST)) |
| 5134 | ALT(DEF_ASM_OP2(fadd, 0xd8c0, 0, OPC_FARITH | OPC_REG, OPT_ST, OPT_ST0)) |
| 5135 | ALT(DEF_ASM_OP0L(fadd, 0xdec1, 0, OPC_FARITH)) |
| 5136 | ALT(DEF_ASM_OP1(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST)) |
| 5137 | ALT(DEF_ASM_OP2(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST, OPT_ST0)) |
| 5138 | ALT(DEF_ASM_OP2(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST0, OPT_ST)) |
| 5139 | ALT(DEF_ASM_OP0L(faddp, 0xdec1, 0, OPC_FARITH)) |
| 5140 | ALT(DEF_ASM_OP1(fadds, 0xd8, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) |
| 5141 | ALT(DEF_ASM_OP1(fiaddl, 0xda, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) |
| 5142 | ALT(DEF_ASM_OP1(faddl, 0xdc, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) |
| 5143 | ALT(DEF_ASM_OP1(fiadds, 0xde, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) |
| 5144 | |
| 5145 | DEF_ASM_OP0(fucompp, 0xdae9) |
| 5146 | DEF_ASM_OP0(ftst, 0xd9e4) |
| 5147 | DEF_ASM_OP0(fxam, 0xd9e5) |
| 5148 | DEF_ASM_OP0(fld1, 0xd9e8) |
| 5149 | DEF_ASM_OP0(fldl2t, 0xd9e9) |
| 5150 | DEF_ASM_OP0(fldl2e, 0xd9ea) |
| 5151 | DEF_ASM_OP0(fldpi, 0xd9eb) |
| 5152 | DEF_ASM_OP0(fldlg2, 0xd9ec) |
| 5153 | DEF_ASM_OP0(fldln2, 0xd9ed) |
| 5154 | DEF_ASM_OP0(fldz, 0xd9ee) |
| 5155 | |
| 5156 | DEF_ASM_OP0(f2xm1, 0xd9f0) |
| 5157 | DEF_ASM_OP0(fyl2x, 0xd9f1) |
| 5158 | DEF_ASM_OP0(fptan, 0xd9f2) |
| 5159 | DEF_ASM_OP0(fpatan, 0xd9f3) |
| 5160 | DEF_ASM_OP0(fxtract, 0xd9f4) |
| 5161 | DEF_ASM_OP0(fprem1, 0xd9f5) |
| 5162 | DEF_ASM_OP0(fdecstp, 0xd9f6) |
| 5163 | DEF_ASM_OP0(fincstp, 0xd9f7) |
| 5164 | DEF_ASM_OP0(fprem, 0xd9f8) |
| 5165 | DEF_ASM_OP0(fyl2xp1, 0xd9f9) |
| 5166 | DEF_ASM_OP0(fsqrt, 0xd9fa) |
| 5167 | DEF_ASM_OP0(fsincos, 0xd9fb) |
| 5168 | DEF_ASM_OP0(frndint, 0xd9fc) |
| 5169 | DEF_ASM_OP0(fscale, 0xd9fd) |
| 5170 | DEF_ASM_OP0(fsin, 0xd9fe) |
| 5171 | DEF_ASM_OP0(fcos, 0xd9ff) |
| 5172 | DEF_ASM_OP0(fchs, 0xd9e0) |
| 5173 | DEF_ASM_OP0(fabs, 0xd9e1) |
| 5174 | DEF_ASM_OP0(fninit, 0xdbe3) |
| 5175 | DEF_ASM_OP0(fnclex, 0xdbe2) |
| 5176 | DEF_ASM_OP0(fnop, 0xd9d0) |
| 5177 | DEF_ASM_OP0(fwait, 0x9b) |
| 5178 | |
| 5179 | /* fp load */ |
| 5180 | DEF_ASM_OP1(fld, 0xd9c0, 0, OPC_REG, OPT_ST) |
| 5181 | DEF_ASM_OP1(fldl, 0xd9c0, 0, OPC_REG, OPT_ST) |
| 5182 | DEF_ASM_OP1(flds, 0xd9, 0, OPC_MODRM, OPT_EA) |
| 5183 | ALT(DEF_ASM_OP1(fldl, 0xdd, 0, OPC_MODRM, OPT_EA)) |
| 5184 | DEF_ASM_OP1(fildl, 0xdb, 0, OPC_MODRM, OPT_EA) |
| 5185 | DEF_ASM_OP1(fildq, 0xdf, 5, OPC_MODRM, OPT_EA) |
| 5186 | DEF_ASM_OP1(fildll, 0xdf, 5, OPC_MODRM,OPT_EA) |
| 5187 | DEF_ASM_OP1(fldt, 0xdb, 5, OPC_MODRM, OPT_EA) |
| 5188 | DEF_ASM_OP1(fbld, 0xdf, 4, OPC_MODRM, OPT_EA) |
| 5189 | |
| 5190 | /* fp store */ |
| 5191 | DEF_ASM_OP1(fst, 0xddd0, 0, OPC_REG, OPT_ST) |
| 5192 | DEF_ASM_OP1(fstl, 0xddd0, 0, OPC_REG, OPT_ST) |
| 5193 | DEF_ASM_OP1(fsts, 0xd9, 2, OPC_MODRM, OPT_EA) |
| 5194 | DEF_ASM_OP1(fstps, 0xd9, 3, OPC_MODRM, OPT_EA) |
| 5195 | ALT(DEF_ASM_OP1(fstl, 0xdd, 2, OPC_MODRM, OPT_EA)) |
| 5196 | DEF_ASM_OP1(fstpl, 0xdd, 3, OPC_MODRM, OPT_EA) |
| 5197 | DEF_ASM_OP1(fist, 0xdf, 2, OPC_MODRM, OPT_EA) |
| 5198 | DEF_ASM_OP1(fistp, 0xdf, 3, OPC_MODRM, OPT_EA) |
| 5199 | DEF_ASM_OP1(fistl, 0xdb, 2, OPC_MODRM, OPT_EA) |
| 5200 | DEF_ASM_OP1(fistpl, 0xdb, 3, OPC_MODRM, OPT_EA) |
| 5201 | |
| 5202 | DEF_ASM_OP1(fstp, 0xddd8, 0, OPC_REG, OPT_ST) |
| 5203 | DEF_ASM_OP1(fistpq, 0xdf, 7, OPC_MODRM, OPT_EA) |
| 5204 | DEF_ASM_OP1(fistpll, 0xdf, 7, OPC_MODRM, OPT_EA) |
| 5205 | DEF_ASM_OP1(fstpt, 0xdb, 7, OPC_MODRM, OPT_EA) |
| 5206 | DEF_ASM_OP1(fbstp, 0xdf, 6, OPC_MODRM, OPT_EA) |
| 5207 | |
| 5208 | /* exchange */ |
| 5209 | DEF_ASM_OP0(fxch, 0xd9c9) |
| 5210 | ALT(DEF_ASM_OP1(fxch, 0xd9c8, 0, OPC_REG, OPT_ST)) |
| 5211 | |
| 5212 | /* misc FPU */ |
| 5213 | DEF_ASM_OP1(fucom, 0xdde0, 0, OPC_REG, OPT_ST ) |
| 5214 | DEF_ASM_OP1(fucomp, 0xdde8, 0, OPC_REG, OPT_ST ) |
| 5215 | |
| 5216 | DEF_ASM_OP0L(finit, 0xdbe3, 0, OPC_FWAIT) |
| 5217 | DEF_ASM_OP1(fldcw, 0xd9, 5, OPC_MODRM, OPT_EA ) |
| 5218 | DEF_ASM_OP1(fnstcw, 0xd9, 7, OPC_MODRM, OPT_EA ) |
| 5219 | DEF_ASM_OP1(fstcw, 0xd9, 7, OPC_MODRM | OPC_FWAIT, OPT_EA ) |
| 5220 | DEF_ASM_OP0(fnstsw, 0xdfe0) |
| 5221 | ALT(DEF_ASM_OP1(fnstsw, 0xdfe0, 0, 0, OPT_EAX )) |
| 5222 | ALT(DEF_ASM_OP1(fnstsw, 0xdd, 7, OPC_MODRM, OPT_EA )) |
| 5223 | DEF_ASM_OP1(fstsw, 0xdfe0, 0, OPC_FWAIT, OPT_EAX ) |
| 5224 | ALT(DEF_ASM_OP0L(fstsw, 0xdfe0, 0, OPC_FWAIT)) |
| 5225 | ALT(DEF_ASM_OP1(fstsw, 0xdd, 7, OPC_MODRM | OPC_FWAIT, OPT_EA )) |
| 5226 | DEF_ASM_OP0L(fclex, 0xdbe2, 0, OPC_FWAIT) |
| 5227 | DEF_ASM_OP1(fnstenv, 0xd9, 6, OPC_MODRM, OPT_EA ) |
| 5228 | DEF_ASM_OP1(fstenv, 0xd9, 6, OPC_MODRM | OPC_FWAIT, OPT_EA ) |
| 5229 | DEF_ASM_OP1(fldenv, 0xd9, 4, OPC_MODRM, OPT_EA ) |
| 5230 | DEF_ASM_OP1(fnsave, 0xdd, 6, OPC_MODRM, OPT_EA ) |
| 5231 | DEF_ASM_OP1(fsave, 0xdd, 6, OPC_MODRM | OPC_FWAIT, OPT_EA ) |
| 5232 | DEF_ASM_OP1(frstor, 0xdd, 4, OPC_MODRM, OPT_EA ) |
| 5233 | DEF_ASM_OP1(ffree, 0xddc0, 4, OPC_REG, OPT_ST ) |
| 5234 | DEF_ASM_OP1(ffreep, 0xdfc0, 4, OPC_REG, OPT_ST ) |
| 5235 | DEF_ASM_OP1(fxsave, 0x0fae, 0, OPC_MODRM, OPT_EA ) |
| 5236 | DEF_ASM_OP1(fxrstor, 0x0fae, 1, OPC_MODRM, OPT_EA ) |
| 5237 | |
| 5238 | /* segments */ |
| 5239 | DEF_ASM_OP2(arpl, 0x63, 0, OPC_MODRM, OPT_REG16, OPT_REG16 | OPT_EA) |
| 5240 | DEF_ASM_OP2(lar, 0x0f02, 0, OPC_MODRM, OPT_REG32 | OPT_EA, OPT_REG32) |
| 5241 | DEF_ASM_OP1(lgdt, 0x0f01, 2, OPC_MODRM, OPT_EA) |
| 5242 | DEF_ASM_OP1(lidt, 0x0f01, 3, OPC_MODRM, OPT_EA) |
| 5243 | DEF_ASM_OP1(lldt, 0x0f00, 2, OPC_MODRM, OPT_EA | OPT_REG) |
| 5244 | DEF_ASM_OP1(lmsw, 0x0f01, 6, OPC_MODRM, OPT_EA | OPT_REG) |
| 5245 | ALT(DEF_ASM_OP2(lslw, 0x0f03, 0, OPC_MODRM | OPC_WL, OPT_EA | OPT_REG, OPT_REG)) |
| 5246 | DEF_ASM_OP1(ltr, 0x0f00, 3, OPC_MODRM, OPT_EA | OPT_REG) |
| 5247 | DEF_ASM_OP1(sgdt, 0x0f01, 0, OPC_MODRM, OPT_EA) |
| 5248 | DEF_ASM_OP1(sidt, 0x0f01, 1, OPC_MODRM, OPT_EA) |
| 5249 | DEF_ASM_OP1(sldt, 0x0f00, 0, OPC_MODRM, OPT_REG | OPT_EA) |
| 5250 | DEF_ASM_OP1(smsw, 0x0f01, 4, OPC_MODRM, OPT_REG | OPT_EA) |
| 5251 | DEF_ASM_OP1(str, 0x0f00, 1, OPC_MODRM, OPT_REG16| OPT_EA) |
| 5252 | DEF_ASM_OP1(verr, 0x0f00, 4, OPC_MODRM, OPT_REG | OPT_EA) |
| 5253 | DEF_ASM_OP1(verw, 0x0f00, 5, OPC_MODRM, OPT_REG | OPT_EA) |
| 5254 | |
| 5255 | /* 486 */ |
| 5256 | DEF_ASM_OP1(bswap, 0x0fc8, 0, OPC_REG, OPT_REG32 ) |
| 5257 | ALT(DEF_ASM_OP2(xaddb, 0x0fc0, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_REG | OPT_EA )) |
| 5258 | ALT(DEF_ASM_OP2(cmpxchgb, 0x0fb0, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_REG | OPT_EA )) |
| 5259 | DEF_ASM_OP1(invlpg, 0x0f01, 7, OPC_MODRM, OPT_EA ) |
| 5260 | |
| 5261 | DEF_ASM_OP2(boundl, 0x62, 0, OPC_MODRM, OPT_REG32, OPT_EA) |
| 5262 | DEF_ASM_OP2(boundw, 0x62, 0, OPC_MODRM | OPC_D16, OPT_REG16, OPT_EA) |
| 5263 | |
| 5264 | /* pentium */ |
| 5265 | DEF_ASM_OP1(cmpxchg8b, 0x0fc7, 1, OPC_MODRM, OPT_EA ) |
| 5266 | |
| 5267 | /* pentium pro */ |
| 5268 | ALT(DEF_ASM_OP2(cmovo, 0x0f40, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32)) |
| 5269 | |
| 5270 | DEF_ASM_OP2(fcmovb, 0xdac0, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 5271 | DEF_ASM_OP2(fcmove, 0xdac8, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 5272 | DEF_ASM_OP2(fcmovbe, 0xdad0, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 5273 | DEF_ASM_OP2(fcmovu, 0xdad8, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 5274 | DEF_ASM_OP2(fcmovnb, 0xdbc0, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 5275 | DEF_ASM_OP2(fcmovne, 0xdbc8, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 5276 | DEF_ASM_OP2(fcmovnbe, 0xdbd0, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 5277 | DEF_ASM_OP2(fcmovnu, 0xdbd8, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 5278 | |
| 5279 | DEF_ASM_OP2(fucomi, 0xdbe8, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 5280 | DEF_ASM_OP2(fcomi, 0xdbf0, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 5281 | DEF_ASM_OP2(fucomip, 0xdfe8, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 5282 | DEF_ASM_OP2(fcomip, 0xdff0, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 5283 | |
| 5284 | /* mmx */ |
| 5285 | DEF_ASM_OP0(emms, 0x0f77) /* must be last OP0 */ |
| 5286 | DEF_ASM_OP2(movd, 0x0f6e, 0, OPC_MODRM, OPT_EA | OPT_REG32, OPT_MMX ) |
| 5287 | ALT(DEF_ASM_OP2(movd, 0x0f7e, 0, OPC_MODRM, OPT_MMX, OPT_EA | OPT_REG32 )) |
| 5288 | DEF_ASM_OP2(movq, 0x0f6f, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5289 | ALT(DEF_ASM_OP2(movq, 0x0f7f, 0, OPC_MODRM, OPT_MMX, OPT_EA | OPT_MMX )) |
| 5290 | DEF_ASM_OP2(packssdw, 0x0f6b, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5291 | DEF_ASM_OP2(packsswb, 0x0f63, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5292 | DEF_ASM_OP2(packuswb, 0x0f67, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5293 | DEF_ASM_OP2(paddb, 0x0ffc, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5294 | DEF_ASM_OP2(paddw, 0x0ffd, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5295 | DEF_ASM_OP2(paddd, 0x0ffe, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5296 | DEF_ASM_OP2(paddsb, 0x0fec, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5297 | DEF_ASM_OP2(paddsw, 0x0fed, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5298 | DEF_ASM_OP2(paddusb, 0x0fdc, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5299 | DEF_ASM_OP2(paddusw, 0x0fdd, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5300 | DEF_ASM_OP2(pand, 0x0fdb, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5301 | DEF_ASM_OP2(pandn, 0x0fdf, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5302 | DEF_ASM_OP2(pcmpeqb, 0x0f74, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5303 | DEF_ASM_OP2(pcmpeqw, 0x0f75, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5304 | DEF_ASM_OP2(pcmpeqd, 0x0f76, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5305 | DEF_ASM_OP2(pcmpgtb, 0x0f64, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5306 | DEF_ASM_OP2(pcmpgtw, 0x0f65, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5307 | DEF_ASM_OP2(pcmpgtd, 0x0f66, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5308 | DEF_ASM_OP2(pmaddwd, 0x0ff5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5309 | DEF_ASM_OP2(pmulhw, 0x0fe5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5310 | DEF_ASM_OP2(pmullw, 0x0fd5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5311 | DEF_ASM_OP2(por, 0x0feb, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5312 | DEF_ASM_OP2(psllw, 0x0ff1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5313 | ALT(DEF_ASM_OP2(psllw, 0x0f71, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 5314 | DEF_ASM_OP2(pslld, 0x0ff2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5315 | ALT(DEF_ASM_OP2(pslld, 0x0f72, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 5316 | DEF_ASM_OP2(psllq, 0x0ff3, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5317 | ALT(DEF_ASM_OP2(psllq, 0x0f73, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 5318 | DEF_ASM_OP2(psraw, 0x0fe1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5319 | ALT(DEF_ASM_OP2(psraw, 0x0f71, 4, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 5320 | DEF_ASM_OP2(psrad, 0x0fe2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5321 | ALT(DEF_ASM_OP2(psrad, 0x0f72, 4, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 5322 | DEF_ASM_OP2(psrlw, 0x0fd1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5323 | ALT(DEF_ASM_OP2(psrlw, 0x0f71, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 5324 | DEF_ASM_OP2(psrld, 0x0fd2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5325 | ALT(DEF_ASM_OP2(psrld, 0x0f72, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 5326 | DEF_ASM_OP2(psrlq, 0x0fd3, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5327 | ALT(DEF_ASM_OP2(psrlq, 0x0f73, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 5328 | DEF_ASM_OP2(psubb, 0x0ff8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5329 | DEF_ASM_OP2(psubw, 0x0ff9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5330 | DEF_ASM_OP2(psubd, 0x0ffa, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5331 | DEF_ASM_OP2(psubsb, 0x0fe8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5332 | DEF_ASM_OP2(psubsw, 0x0fe9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5333 | DEF_ASM_OP2(psubusb, 0x0fd8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5334 | DEF_ASM_OP2(psubusw, 0x0fd9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5335 | DEF_ASM_OP2(punpckhbw, 0x0f68, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5336 | DEF_ASM_OP2(punpckhwd, 0x0f69, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5337 | DEF_ASM_OP2(punpckhdq, 0x0f6a, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5338 | DEF_ASM_OP2(punpcklbw, 0x0f60, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5339 | DEF_ASM_OP2(punpcklwd, 0x0f61, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5340 | DEF_ASM_OP2(punpckldq, 0x0f62, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5341 | DEF_ASM_OP2(pxor, 0x0fef, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 5342 | |
| 5343 | #undef ALT |
| 5344 | #undef DEF_ASM_OP0 |
| 5345 | #undef DEF_ASM_OP0L |
| 5346 | #undef DEF_ASM_OP1 |
| 5347 | #undef DEF_ASM_OP2 |
| 5348 | #undef DEF_ASM_OP3 |
| 5349 | //--------------------------------------------------------------------------- |
| 5350 | |
| 5351 | #endif |
| 5352 | //--------------------------------------------------------------------------- |
| 5353 | #undef DEF |
| 5354 | ; |
| 5355 | |
| 5356 | #define TOK_UIDENT TOK_DEFINE |
| 5357 | |
| 5358 | #ifdef WIN32 |
| 5359 | int __stdcall GetModuleFileNameA(void *, char *, int); |
| 5360 | void *__stdcall GetProcAddress(void *, const char *); |
| 5361 | void *__stdcall GetModuleHandleA(const char *); |
| 5362 | void *__stdcall LoadLibraryA(const char *); |
| 5363 | int __stdcall FreeConsole(void); |
| 5364 | |
| 5365 | #define snprintf _snprintf |
| 5366 | #define vsnprintf _vsnprintf |
| 5367 | #ifndef __GNUC__ |
| 5368 | #define strtold (long double)strtod |
| 5369 | #define strtof (float)strtod |
| 5370 | #define strtoll (long long)strtol |
| 5371 | #endif |
| 5372 | #elif defined(TCC_UCLIBC) || defined(__FreeBSD__) |
| 5373 | /* currently incorrect */ |
| 5374 | long double strtold(const char *nptr, char **endptr) |
| 5375 | { |
| 5376 | return (long double)strtod(nptr, endptr); |
| 5377 | } |
| 5378 | float strtof(const char *nptr, char **endptr) |
| 5379 | { |
| 5380 | return (float)strtod(nptr, endptr); |
| 5381 | } |
| 5382 | #else |
| 5383 | /* XXX: need to define this to use them in non ISOC99 context */ |
| 5384 | extern float strtof (const char *__nptr, char **__endptr); |
| 5385 | extern long double strtold (const char *__nptr, char **__endptr); |
| 5386 | #endif |
| 5387 | |
| 5388 | static char *pstrcpy(char *buf, int buf_size, const char *s); |
| 5389 | static char *pstrcat(char *buf, int buf_size, const char *s); |
| 5390 | static const char *tcc_basename(const char *name); |
| 5391 | |
| 5392 | static void next(void); |
| 5393 | static void next_nomacro(void); |
| 5394 | static void parse_expr_type(CType *type); |
| 5395 | static void expr_type(CType *type); |
| 5396 | static void unary_type(CType *type); |
| 5397 | static void block(int *bsym, int *csym, int *case_sym, int *def_sym, |
| 5398 | int case_reg, int is_expr); |
| 5399 | static int expr_const(void); |
| 5400 | static void expr_eq(void); |
| 5401 | static void gexpr(void); |
| 5402 | static void gen_inline_functions(void); |
| 5403 | static void decl(int l); |
| 5404 | static void decl_initializer(CType *type, Section *sec, unsigned long c, |
| 5405 | int first, int size_only); |
| 5406 | static void decl_initializer_alloc(CType *type, AttributeDef *ad, int r, |
| 5407 | int has_init, int v, int scope); |
| 5408 | int gv(int rc); |
| 5409 | void gv2(int rc1, int rc2); |
| 5410 | void move_reg(int r, int s); |
| 5411 | void save_regs(int n); |
| 5412 | void save_reg(int r); |
| 5413 | void vpop(void); |
| 5414 | void vswap(void); |
| 5415 | void vdup(void); |
| 5416 | int get_reg(int rc); |
| 5417 | int get_reg_ex(int rc,int rc2); |
| 5418 | |
| 5419 | struct macro_level { |
| 5420 | struct macro_level *prev; |
| 5421 | int *p; |
| 5422 | }; |
| 5423 | |
| 5424 | static void macro_subst(TokenString *tok_str, Sym **nested_list, |
| 5425 | const int *macro_str, struct macro_level **can_read_stream); |
| 5426 | void gen_op(int op); |
| 5427 | void force_charshort_cast(int t); |
| 5428 | static void gen_cast(CType *type); |
| 5429 | void vstore(void); |
| 5430 | static Sym *sym_find(int v); |
| 5431 | static Sym *sym_push(int v, CType *type, int r, int c); |
| 5432 | |
| 5433 | /* type handling */ |
| 5434 | static int type_size(CType *type, int *a); |
| 5435 | static inline CType *pointed_type(CType *type); |
| 5436 | static int pointed_size(CType *type); |
| 5437 | static int lvalue_type(int t); |
| 5438 | static int parse_btype(CType *type, AttributeDef *ad); |
| 5439 | static void type_decl(CType *type, AttributeDef *ad, int *v, int td); |
| 5440 | static int is_compatible_types(CType *type1, CType *type2); |
| 5441 | |
| 5442 | int ieee_finite(double d); |
| 5443 | void error(const char *fmt, ...); |
| 5444 | void vpushi(int v); |
| 5445 | void vrott(int n); |
| 5446 | void vnrott(int n); |
| 5447 | void lexpand_nr(void); |
| 5448 | static void vpush_global_sym(CType *type, int v); |
| 5449 | void vset(CType *type, int r, int v); |
| 5450 | void type_to_str(char *buf, int buf_size, |
| 5451 | CType *type, const char *varstr); |
| 5452 | char *get_tok_str(int v, CValue *cv); |
| 5453 | static Sym *get_sym_ref(CType *type, Section *sec, |
| 5454 | unsigned long offset, unsigned long size); |
| 5455 | static Sym *external_global_sym(int v, CType *type, int r); |
| 5456 | |
| 5457 | /* section generation */ |
| 5458 | static void section_realloc(Section *sec, unsigned long new_size); |
| 5459 | static void *section_ptr_add(Section *sec, unsigned long size); |
| 5460 | static void put_extern_sym(Sym *sym, Section *section, |
| 5461 | unsigned long value, unsigned long size); |
| 5462 | static void greloc(Section *s, Sym *sym, unsigned long addr, int type); |
| 5463 | static int put_elf_str(Section *s, const char *sym); |
| 5464 | static int put_elf_sym(Section *s, |
| 5465 | unsigned long value, unsigned long size, |
| 5466 | int info, int other, int shndx, const char *name); |
| 5467 | static int add_elf_sym(Section *s, unsigned long value, unsigned long size, |
| 5468 | int info, int other, int sh_num, const char *name); |
| 5469 | static void put_elf_reloc(Section *symtab, Section *s, unsigned long offset, |
| 5470 | int type, int symbol); |
| 5471 | static void put_stabs(const char *str, int type, int other, int desc, |
| 5472 | unsigned long value); |
| 5473 | static void put_stabs_r(const char *str, int type, int other, int desc, |
| 5474 | unsigned long value, Section *sec, int sym_index); |
| 5475 | static void put_stabn(int type, int other, int desc, int value); |
| 5476 | static void put_stabd(int type, int other, int desc); |
| 5477 | static int tcc_add_dll(TCCState *s, const char *filename, int flags); |
| 5478 | |
| 5479 | #define AFF_PRINT_ERROR 0x0001 /* print error if file not found */ |
| 5480 | #define AFF_REFERENCED_DLL 0x0002 /* load a referenced dll from another dll */ |
| 5481 | static int tcc_add_file_internal(TCCState *s, const char *filename, int flags); |
| 5482 | |
| 5483 | /* tcccoff.c */ |
| 5484 | int tcc_output_coff(TCCState *s1, FILE *f); |
| 5485 | |
| 5486 | /* tccpe.c */ |
| 5487 | void *resolve_sym(TCCState *s1, const char *sym, int type); |
| 5488 | int pe_load_def_file(struct TCCState *s1, FILE *fp); |
| 5489 | void pe_setup_paths(struct TCCState *s1, int *p_output_type, const char **p_outfile, char *first_file); |
| 5490 | unsigned long pe_add_runtime(struct TCCState *s1); |
| 5491 | int tcc_output_pe(struct TCCState *s1, const char *filename); |
| 5492 | |
| 5493 | /* tccasm.c */ |
| 5494 | |
| 5495 | #ifdef CONFIG_TCC_ASM |
| 5496 | |
| 5497 | typedef struct ExprValue { |
| 5498 | uint32_t v; |
| 5499 | Sym *sym; |
| 5500 | } ExprValue; |
| 5501 | |
| 5502 | #define MAX_ASM_OPERANDS 30 |
| 5503 | |
| 5504 | typedef struct ASMOperand { |
| 5505 | int id; /* GCC 3 optionnal identifier (0 if number only supported */ |
| 5506 | char *constraint; |
| 5507 | char asm_str[16]; /* computed asm string for operand */ |
| 5508 | SValue *vt; /* C value of the expression */ |
| 5509 | int ref_index; /* if >= 0, gives reference to a output constraint */ |
| 5510 | int input_index; /* if >= 0, gives reference to an input constraint */ |
| 5511 | int priority; /* priority, used to assign registers */ |
| 5512 | int reg; /* if >= 0, register number used for this operand */ |
| 5513 | int is_llong; /* true if double register value */ |
| 5514 | int is_memory; /* true if memory operand */ |
| 5515 | int is_rw; /* for '+' modifier */ |
| 5516 | } ASMOperand; |
| 5517 | |
| 5518 | static void asm_expr(TCCState *s1, ExprValue *pe); |
| 5519 | static int asm_int_expr(TCCState *s1); |
| 5520 | static int find_constraint(ASMOperand *operands, int nb_operands, |
| 5521 | const char *name, const char **pp); |
| 5522 | |
| 5523 | static int tcc_assemble(TCCState *s1, int do_preprocess); |
| 5524 | |
| 5525 | #endif |
| 5526 | |
| 5527 | static void asm_instr(void); |
| 5528 | static void asm_global_instr(void); |
| 5529 | |
| 5530 | /* true if float/double/long double type */ |
| 5531 | static inline int is_float(int t) |
| 5532 | { |
| 5533 | int bt; |
| 5534 | bt = t & VT_BTYPE; |
| 5535 | return bt == VT_LDOUBLE || bt == VT_DOUBLE || bt == VT_FLOAT; |
| 5536 | } |
| 5537 | |
| 5538 | #ifdef TCC_TARGET_I386 |
| 5539 | // njn: inlined i386-gen.c |
| 5540 | //#include "i386-gen.c" |
| 5541 | //--------------------------------------------------------------------------- |
| 5542 | /* |
| 5543 | * X86 code generator for TCC |
| 5544 | * |
| 5545 | * Copyright (c) 2001-2004 Fabrice Bellard |
| 5546 | * |
| 5547 | * This library is free software; you can redistribute it and/or |
| 5548 | * modify it under the terms of the GNU Lesser General Public |
| 5549 | * License as published by the Free Software Foundation; either |
| 5550 | * version 2 of the License, or (at your option) any later version. |
| 5551 | * |
| 5552 | * This library is distributed in the hope that it will be useful, |
| 5553 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 5554 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 5555 | * Lesser General Public License for more details. |
| 5556 | * |
| 5557 | * You should have received a copy of the GNU Lesser General Public |
| 5558 | * License along with this library; if not, write to the Free Software |
| 5559 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 5560 | */ |
| 5561 | |
| 5562 | /* number of available registers */ |
| 5563 | #define NB_REGS 4 |
| 5564 | |
| 5565 | /* a register can belong to several classes. The classes must be |
| 5566 | sorted from more general to more precise (see gv2() code which does |
| 5567 | assumptions on it). */ |
| 5568 | #define RC_INT 0x0001 /* generic integer register */ |
| 5569 | #define RC_FLOAT 0x0002 /* generic float register */ |
| 5570 | #define RC_EAX 0x0004 |
| 5571 | #define RC_ST0 0x0008 |
| 5572 | #define RC_ECX 0x0010 |
| 5573 | #define RC_EDX 0x0020 |
| 5574 | #define RC_IRET RC_EAX /* function return: integer register */ |
| 5575 | #define RC_LRET RC_EDX /* function return: second integer register */ |
| 5576 | #define RC_FRET RC_ST0 /* function return: float register */ |
| 5577 | |
| 5578 | /* pretty names for the registers */ |
| 5579 | enum { |
| 5580 | TREG_EAX = 0, |
| 5581 | TREG_ECX, |
| 5582 | TREG_EDX, |
| 5583 | TREG_ST0, |
| 5584 | }; |
| 5585 | |
| 5586 | int reg_classes[NB_REGS] = { |
| 5587 | /* eax */ RC_INT | RC_EAX, |
| 5588 | /* ecx */ RC_INT | RC_ECX, |
| 5589 | /* edx */ RC_INT | RC_EDX, |
| 5590 | /* st0 */ RC_FLOAT | RC_ST0, |
| 5591 | }; |
| 5592 | |
| 5593 | /* return registers for function */ |
| 5594 | #define REG_IRET TREG_EAX /* single word int return register */ |
| 5595 | #define REG_LRET TREG_EDX /* second word return register (for long long) */ |
| 5596 | #define REG_FRET TREG_ST0 /* float return register */ |
| 5597 | |
| 5598 | /* defined if function parameters must be evaluated in reverse order */ |
| 5599 | #define INVERT_FUNC_PARAMS |
| 5600 | |
| 5601 | /* defined if structures are passed as pointers. Otherwise structures |
| 5602 | are directly pushed on stack. */ |
| 5603 | //#define FUNC_STRUCT_PARAM_AS_PTR |
| 5604 | |
| 5605 | /* pointer size, in bytes */ |
| 5606 | #define PTR_SIZE 4 |
| 5607 | |
| 5608 | /* long double size and alignment, in bytes */ |
| 5609 | #define LDOUBLE_SIZE 12 |
| 5610 | #define LDOUBLE_ALIGN 4 |
| 5611 | /* maximum alignment (for aligned attribute support) */ |
| 5612 | #define MAX_ALIGN 8 |
| 5613 | |
| 5614 | /******************************************************/ |
| 5615 | /* ELF defines */ |
| 5616 | |
| 5617 | #define EM_TCC_TARGET EM_386 |
| 5618 | |
| 5619 | /* relocation type for 32 bit data relocation */ |
| 5620 | #define R_DATA_32 R_386_32 |
| 5621 | #define R_JMP_SLOT R_386_JMP_SLOT |
| 5622 | #define R_COPY R_386_COPY |
| 5623 | |
| 5624 | #define ELF_START_ADDR 0x08048000 |
| 5625 | #define ELF_PAGE_SIZE 0x1000 |
| 5626 | |
| 5627 | /******************************************************/ |
| 5628 | |
| 5629 | static unsigned long func_sub_sp_offset; |
| 5630 | static unsigned long func_bound_offset; |
| 5631 | static int func_ret_sub; |
| 5632 | |
| 5633 | /* XXX: make it faster ? */ |
| 5634 | void g(int c) |
| 5635 | { |
| 5636 | int ind1; |
| 5637 | ind1 = ind + 1; |
| 5638 | if (ind1 > cur_text_section->data_allocated) |
| 5639 | section_realloc(cur_text_section, ind1); |
| 5640 | cur_text_section->data[ind] = c; |
| 5641 | ind = ind1; |
| 5642 | } |
| 5643 | |
| 5644 | void o(unsigned int c) |
| 5645 | { |
| 5646 | while (c) { |
| 5647 | g(c); |
| 5648 | c = c >> 8; |
| 5649 | } |
| 5650 | } |
| 5651 | |
| 5652 | void gen_le32(int c) |
| 5653 | { |
| 5654 | g(c); |
| 5655 | g(c >> 8); |
| 5656 | g(c >> 16); |
| 5657 | g(c >> 24); |
| 5658 | } |
| 5659 | |
| 5660 | /* output a symbol and patch all calls to it */ |
| 5661 | void gsym_addr(int t, int a) |
| 5662 | { |
| 5663 | int n, *ptr; |
| 5664 | while (t) { |
| 5665 | ptr = (int *)(cur_text_section->data + t); |
| 5666 | n = *ptr; /* next value */ |
| 5667 | *ptr = a - t - 4; |
| 5668 | t = n; |
| 5669 | } |
| 5670 | } |
| 5671 | |
| 5672 | void gsym(int t) |
| 5673 | { |
| 5674 | gsym_addr(t, ind); |
| 5675 | } |
| 5676 | |
| 5677 | /* psym is used to put an instruction with a data field which is a |
| 5678 | reference to a symbol. It is in fact the same as oad ! */ |
| 5679 | #define psym oad |
| 5680 | |
| 5681 | /* instruction + 4 bytes data. Return the address of the data */ |
| 5682 | static int oad(int c, int s) |
| 5683 | { |
| 5684 | int ind1; |
| 5685 | |
| 5686 | o(c); |
| 5687 | ind1 = ind + 4; |
| 5688 | if (ind1 > cur_text_section->data_allocated) |
| 5689 | section_realloc(cur_text_section, ind1); |
| 5690 | *(int *)(cur_text_section->data + ind) = s; |
| 5691 | s = ind; |
| 5692 | ind = ind1; |
| 5693 | return s; |
| 5694 | } |
| 5695 | |
| 5696 | /* output constant with relocation if 'r & VT_SYM' is true */ |
| 5697 | static void gen_addr32(int r, Sym *sym, int c) |
| 5698 | { |
| 5699 | if (r & VT_SYM) |
| 5700 | greloc(cur_text_section, sym, ind, R_386_32); |
| 5701 | gen_le32(c); |
| 5702 | } |
| 5703 | |
| 5704 | /* generate a modrm reference. 'op_reg' contains the addtionnal 3 |
| 5705 | opcode bits */ |
| 5706 | static void gen_modrm(int op_reg, int r, Sym *sym, int c) |
| 5707 | { |
| 5708 | op_reg = op_reg << 3; |
| 5709 | if ((r & VT_VALMASK) == VT_CONST) { |
| 5710 | /* constant memory reference */ |
| 5711 | o(0x05 | op_reg); |
| 5712 | gen_addr32(r, sym, c); |
| 5713 | } else if ((r & VT_VALMASK) == VT_LOCAL) { |
| 5714 | /* currently, we use only ebp as base */ |
| 5715 | if (c == (char)c) { |
| 5716 | /* short reference */ |
| 5717 | o(0x45 | op_reg); |
| 5718 | g(c); |
| 5719 | } else { |
| 5720 | oad(0x85 | op_reg, c); |
| 5721 | } |
| 5722 | } else { |
| 5723 | g(0x00 | op_reg | (r & VT_VALMASK)); |
| 5724 | } |
| 5725 | } |
| 5726 | |
| 5727 | |
| 5728 | /* load 'r' from value 'sv' */ |
| 5729 | void load(int r, SValue *sv) |
| 5730 | { |
| 5731 | int v, t, ft, fc, fr; |
| 5732 | SValue v1; |
| 5733 | |
| 5734 | fr = sv->r; |
| 5735 | ft = sv->type.t; |
| 5736 | fc = sv->c.ul; |
| 5737 | |
| 5738 | v = fr & VT_VALMASK; |
| 5739 | if (fr & VT_LVAL) { |
| 5740 | if (v == VT_LLOCAL) { |
| 5741 | v1.type.t = VT_INT; |
| 5742 | v1.r = VT_LOCAL | VT_LVAL; |
| 5743 | v1.c.ul = fc; |
| 5744 | load(r, &v1); |
| 5745 | fr = r; |
| 5746 | } |
| 5747 | if ((ft & VT_BTYPE) == VT_FLOAT) { |
| 5748 | o(0xd9); /* flds */ |
| 5749 | r = 0; |
| 5750 | } else if ((ft & VT_BTYPE) == VT_DOUBLE) { |
| 5751 | o(0xdd); /* fldl */ |
| 5752 | r = 0; |
| 5753 | } else if ((ft & VT_BTYPE) == VT_LDOUBLE) { |
| 5754 | o(0xdb); /* fldt */ |
| 5755 | r = 5; |
| 5756 | } else if ((ft & VT_TYPE) == VT_BYTE) { |
| 5757 | o(0xbe0f); /* movsbl */ |
| 5758 | } else if ((ft & VT_TYPE) == (VT_BYTE | VT_UNSIGNED)) { |
| 5759 | o(0xb60f); /* movzbl */ |
| 5760 | } else if ((ft & VT_TYPE) == VT_SHORT) { |
| 5761 | o(0xbf0f); /* movswl */ |
| 5762 | } else if ((ft & VT_TYPE) == (VT_SHORT | VT_UNSIGNED)) { |
| 5763 | o(0xb70f); /* movzwl */ |
| 5764 | } else { |
| 5765 | o(0x8b); /* movl */ |
| 5766 | } |
| 5767 | gen_modrm(r, fr, sv->sym, fc); |
| 5768 | } else { |
| 5769 | if (v == VT_CONST) { |
| 5770 | o(0xb8 + r); /* mov $xx, r */ |
| 5771 | gen_addr32(fr, sv->sym, fc); |
| 5772 | } else if (v == VT_LOCAL) { |
| 5773 | o(0x8d); /* lea xxx(%ebp), r */ |
| 5774 | gen_modrm(r, VT_LOCAL, sv->sym, fc); |
| 5775 | } else if (v == VT_CMP) { |
| 5776 | oad(0xb8 + r, 0); /* mov $0, r */ |
| 5777 | o(0x0f); /* setxx %br */ |
| 5778 | o(fc); |
| 5779 | o(0xc0 + r); |
| 5780 | } else if (v == VT_JMP || v == VT_JMPI) { |
| 5781 | t = v & 1; |
| 5782 | oad(0xb8 + r, t); /* mov $1, r */ |
| 5783 | o(0x05eb); /* jmp after */ |
| 5784 | gsym(fc); |
| 5785 | oad(0xb8 + r, t ^ 1); /* mov $0, r */ |
| 5786 | } else if (v != r) { |
| 5787 | o(0x89); |
| 5788 | o(0xc0 + r + v * 8); /* mov v, r */ |
| 5789 | } |
| 5790 | } |
| 5791 | } |
| 5792 | |
| 5793 | /* store register 'r' in lvalue 'v' */ |
| 5794 | void store(int r, SValue *v) |
| 5795 | { |
| 5796 | int fr, bt, ft, fc; |
| 5797 | |
| 5798 | ft = v->type.t; |
| 5799 | fc = v->c.ul; |
| 5800 | fr = v->r & VT_VALMASK; |
| 5801 | bt = ft & VT_BTYPE; |
| 5802 | /* XXX: incorrect if float reg to reg */ |
| 5803 | if (bt == VT_FLOAT) { |
| 5804 | o(0xd9); /* fsts */ |
| 5805 | r = 2; |
| 5806 | } else if (bt == VT_DOUBLE) { |
| 5807 | o(0xdd); /* fstpl */ |
| 5808 | r = 2; |
| 5809 | } else if (bt == VT_LDOUBLE) { |
| 5810 | o(0xc0d9); /* fld %st(0) */ |
| 5811 | o(0xdb); /* fstpt */ |
| 5812 | r = 7; |
| 5813 | } else { |
| 5814 | if (bt == VT_SHORT) |
| 5815 | o(0x66); |
| 5816 | if (bt == VT_BYTE || bt == VT_BOOL) |
| 5817 | o(0x88); |
| 5818 | else |
| 5819 | o(0x89); |
| 5820 | } |
| 5821 | if (fr == VT_CONST || |
| 5822 | fr == VT_LOCAL || |
| 5823 | (v->r & VT_LVAL)) { |
| 5824 | gen_modrm(r, v->r, v->sym, fc); |
| 5825 | } else if (fr != r) { |
| 5826 | o(0xc0 + fr + r * 8); /* mov r, fr */ |
| 5827 | } |
| 5828 | } |
| 5829 | |
| 5830 | static void gadd_sp(int val) |
| 5831 | { |
| 5832 | if (val == (char)val) { |
| 5833 | o(0xc483); |
| 5834 | g(val); |
| 5835 | } else { |
| 5836 | oad(0xc481, val); /* add $xxx, %esp */ |
| 5837 | } |
| 5838 | } |
| 5839 | |
| 5840 | /* 'is_jmp' is '1' if it is a jump */ |
| 5841 | static void gcall_or_jmp(int is_jmp) |
| 5842 | { |
| 5843 | int r; |
| 5844 | if ((vtop->r & (VT_VALMASK | VT_LVAL)) == VT_CONST) { |
| 5845 | /* constant case */ |
| 5846 | if (vtop->r & VT_SYM) { |
| 5847 | /* relocation case */ |
| 5848 | greloc(cur_text_section, vtop->sym, |
| 5849 | ind + 1, R_386_PC32); |
| 5850 | } else { |
| 5851 | /* put an empty PC32 relocation */ |
| 5852 | put_elf_reloc(symtab_section, cur_text_section, |
| 5853 | ind + 1, R_386_PC32, 0); |
| 5854 | } |
| 5855 | oad(0xe8 + is_jmp, vtop->c.ul - 4); /* call/jmp im */ |
| 5856 | } else { |
| 5857 | /* otherwise, indirect call */ |
| 5858 | r = gv(RC_INT); |
| 5859 | o(0xff); /* call/jmp *r */ |
| 5860 | o(0xd0 + r + (is_jmp << 4)); |
| 5861 | } |
| 5862 | } |
| 5863 | |
| 5864 | static uint8_t fastcall_regs[3] = { TREG_EAX, TREG_EDX, TREG_ECX }; |
| 5865 | |
| 5866 | /* Generate function call. The function address is pushed first, then |
| 5867 | all the parameters in call order. This functions pops all the |
| 5868 | parameters and the function address. */ |
| 5869 | void gfunc_call(int nb_args) |
| 5870 | { |
| 5871 | int size, align, r, args_size, i, func_call; |
| 5872 | Sym *func_sym; |
| 5873 | |
| 5874 | args_size = 0; |
| 5875 | for(i = 0;i < nb_args; i++) { |
| 5876 | if ((vtop->type.t & VT_BTYPE) == VT_STRUCT) { |
| 5877 | size = type_size(&vtop->type, &align); |
| 5878 | /* align to stack align size */ |
| 5879 | size = (size + 3) & ~3; |
| 5880 | /* allocate the necessary size on stack */ |
| 5881 | oad(0xec81, size); /* sub $xxx, %esp */ |
| 5882 | /* generate structure store */ |
| 5883 | r = get_reg(RC_INT); |
| 5884 | o(0x89); /* mov %esp, r */ |
| 5885 | o(0xe0 + r); |
| 5886 | vset(&vtop->type, r | VT_LVAL, 0); |
| 5887 | vswap(); |
| 5888 | vstore(); |
| 5889 | args_size += size; |
| 5890 | } else if (is_float(vtop->type.t)) { |
| 5891 | gv(RC_FLOAT); /* only one float register */ |
| 5892 | if ((vtop->type.t & VT_BTYPE) == VT_FLOAT) |
| 5893 | size = 4; |
| 5894 | else if ((vtop->type.t & VT_BTYPE) == VT_DOUBLE) |
| 5895 | size = 8; |
| 5896 | else |
| 5897 | size = 12; |
| 5898 | oad(0xec81, size); /* sub $xxx, %esp */ |
| 5899 | if (size == 12) |
| 5900 | o(0x7cdb); |
| 5901 | else |
| 5902 | o(0x5cd9 + size - 4); /* fstp[s|l] 0(%esp) */ |
| 5903 | g(0x24); |
| 5904 | g(0x00); |
| 5905 | args_size += size; |
| 5906 | } else { |
| 5907 | /* simple type (currently always same size) */ |
| 5908 | /* XXX: implicit cast ? */ |
| 5909 | r = gv(RC_INT); |
| 5910 | if ((vtop->type.t & VT_BTYPE) == VT_LLONG) { |
| 5911 | size = 8; |
| 5912 | o(0x50 + vtop->r2); /* push r */ |
| 5913 | } else { |
| 5914 | size = 4; |
| 5915 | } |
| 5916 | o(0x50 + r); /* push r */ |
| 5917 | args_size += size; |
| 5918 | } |
| 5919 | vtop--; |
| 5920 | } |
| 5921 | save_regs(0); /* save used temporary registers */ |
| 5922 | func_sym = vtop->type.ref; |
| 5923 | func_call = func_sym->r; |
| 5924 | /* fast call case */ |
| 5925 | if (func_call >= FUNC_FASTCALL1 && func_call <= FUNC_FASTCALL3) { |
| 5926 | int fastcall_nb_regs; |
| 5927 | fastcall_nb_regs = func_call - FUNC_FASTCALL1 + 1; |
| 5928 | for(i = 0;i < fastcall_nb_regs; i++) { |
| 5929 | if (args_size <= 0) |
| 5930 | break; |
| 5931 | o(0x58 + fastcall_regs[i]); /* pop r */ |
| 5932 | /* XXX: incorrect for struct/floats */ |
| 5933 | args_size -= 4; |
| 5934 | } |
| 5935 | } |
| 5936 | gcall_or_jmp(0); |
| 5937 | if (args_size && func_sym->r != FUNC_STDCALL) |
| 5938 | gadd_sp(args_size); |
| 5939 | vtop--; |
| 5940 | } |
| 5941 | |
| 5942 | #ifdef TCC_TARGET_PE |
| 5943 | #define FUNC_PROLOG_SIZE 10 |
| 5944 | #else |
| 5945 | #define FUNC_PROLOG_SIZE 9 |
| 5946 | #endif |
| 5947 | |
| 5948 | /* generate function prolog of type 't' */ |
| 5949 | void gfunc_prolog(CType *func_type) |
| 5950 | { |
| 5951 | int addr, align, size, func_call, fastcall_nb_regs; |
| 5952 | int param_index, param_addr; |
| 5953 | Sym *sym; |
| 5954 | CType *type; |
| 5955 | |
| 5956 | sym = func_type->ref; |
| 5957 | func_call = sym->r; |
| 5958 | addr = 8; |
| 5959 | loc = 0; |
| 5960 | if (func_call >= FUNC_FASTCALL1 && func_call <= FUNC_FASTCALL3) { |
| 5961 | fastcall_nb_regs = func_call - FUNC_FASTCALL1 + 1; |
| 5962 | } else { |
| 5963 | fastcall_nb_regs = 0; |
| 5964 | } |
| 5965 | param_index = 0; |
| 5966 | |
| 5967 | ind += FUNC_PROLOG_SIZE; |
| 5968 | func_sub_sp_offset = ind; |
| 5969 | /* if the function returns a structure, then add an |
| 5970 | implicit pointer parameter */ |
| 5971 | func_vt = sym->type; |
| 5972 | if ((func_vt.t & VT_BTYPE) == VT_STRUCT) { |
| 5973 | /* XXX: fastcall case ? */ |
| 5974 | func_vc = addr; |
| 5975 | addr += 4; |
| 5976 | param_index++; |
| 5977 | } |
| 5978 | /* define parameters */ |
| 5979 | while ((sym = sym->next) != NULL) { |
| 5980 | type = &sym->type; |
| 5981 | size = type_size(type, &align); |
| 5982 | size = (size + 3) & ~3; |
| 5983 | #ifdef FUNC_STRUCT_PARAM_AS_PTR |
| 5984 | /* structs are passed as pointer */ |
| 5985 | if ((type->t & VT_BTYPE) == VT_STRUCT) { |
| 5986 | size = 4; |
| 5987 | } |
| 5988 | #endif |
| 5989 | if (param_index < fastcall_nb_regs) { |
| 5990 | /* save FASTCALL register */ |
| 5991 | loc -= 4; |
| 5992 | o(0x89); /* movl */ |
| 5993 | gen_modrm(fastcall_regs[param_index], VT_LOCAL, NULL, loc); |
| 5994 | param_addr = loc; |
| 5995 | } else { |
| 5996 | param_addr = addr; |
| 5997 | addr += size; |
| 5998 | } |
| 5999 | sym_push(sym->v & ~SYM_FIELD, type, |
| 6000 | VT_LOCAL | VT_LVAL, param_addr); |
| 6001 | param_index++; |
| 6002 | } |
| 6003 | func_ret_sub = 0; |
| 6004 | /* pascal type call ? */ |
| 6005 | if (func_call == FUNC_STDCALL) |
| 6006 | func_ret_sub = addr - 8; |
| 6007 | |
| 6008 | /* leave some room for bound checking code */ |
| 6009 | if (do_bounds_check) { |
| 6010 | oad(0xb8, 0); /* lbound section pointer */ |
| 6011 | oad(0xb8, 0); /* call to function */ |
| 6012 | func_bound_offset = lbounds_section->data_offset; |
| 6013 | } |
| 6014 | } |
| 6015 | |
| 6016 | /* generate function epilog */ |
| 6017 | void gfunc_epilog(void) |
| 6018 | { |
| 6019 | int v, saved_ind; |
| 6020 | |
| 6021 | #ifdef CONFIG_TCC_BCHECK |
| 6022 | if (do_bounds_check && func_bound_offset != lbounds_section->data_offset) { |
| 6023 | int saved_ind; |
| 6024 | int *bounds_ptr; |
| 6025 | Sym *sym, *sym_data; |
| 6026 | /* add end of table info */ |
| 6027 | bounds_ptr = section_ptr_add(lbounds_section, sizeof(int)); |
| 6028 | *bounds_ptr = 0; |
| 6029 | /* generate bound local allocation */ |
| 6030 | saved_ind = ind; |
| 6031 | ind = func_sub_sp_offset; |
| 6032 | sym_data = get_sym_ref(&char_pointer_type, lbounds_section, |
| 6033 | func_bound_offset, lbounds_section->data_offset); |
| 6034 | greloc(cur_text_section, sym_data, |
| 6035 | ind + 1, R_386_32); |
| 6036 | oad(0xb8, 0); /* mov %eax, xxx */ |
| 6037 | sym = external_global_sym(TOK___bound_local_new, &func_old_type, 0); |
| 6038 | greloc(cur_text_section, sym, |
| 6039 | ind + 1, R_386_PC32); |
| 6040 | oad(0xe8, -4); |
| 6041 | ind = saved_ind; |
| 6042 | /* generate bound check local freeing */ |
| 6043 | o(0x5250); /* save returned value, if any */ |
| 6044 | greloc(cur_text_section, sym_data, |
| 6045 | ind + 1, R_386_32); |
| 6046 | oad(0xb8, 0); /* mov %eax, xxx */ |
| 6047 | sym = external_global_sym(TOK___bound_local_delete, &func_old_type, 0); |
| 6048 | greloc(cur_text_section, sym, |
| 6049 | ind + 1, R_386_PC32); |
| 6050 | oad(0xe8, -4); |
| 6051 | o(0x585a); /* restore returned value, if any */ |
| 6052 | } |
| 6053 | #endif |
| 6054 | o(0xc9); /* leave */ |
| 6055 | if (func_ret_sub == 0) { |
| 6056 | o(0xc3); /* ret */ |
| 6057 | } else { |
| 6058 | o(0xc2); /* ret n */ |
| 6059 | g(func_ret_sub); |
| 6060 | g(func_ret_sub >> 8); |
| 6061 | } |
| 6062 | /* align local size to word & save local variables */ |
| 6063 | |
| 6064 | v = (-loc + 3) & -4; |
| 6065 | saved_ind = ind; |
| 6066 | ind = func_sub_sp_offset - FUNC_PROLOG_SIZE; |
| 6067 | #ifdef TCC_TARGET_PE |
| 6068 | if (v >= 4096) { |
| 6069 | Sym *sym = external_global_sym(TOK___chkstk, &func_old_type, 0); |
| 6070 | oad(0xb8, v); /* mov stacksize, %eax */ |
| 6071 | oad(0xe8, -4); /* call __chkstk, (does the stackframe too) */ |
| 6072 | greloc(cur_text_section, sym, ind-4, R_386_PC32); |
| 6073 | } else |
| 6074 | #endif |
| 6075 | { |
| 6076 | o(0xe58955); /* push %ebp, mov %esp, %ebp */ |
| 6077 | o(0xec81); /* sub esp, stacksize */ |
| 6078 | gen_le32(v); |
| 6079 | #if FUNC_PROLOG_SIZE == 10 |
| 6080 | o(0x90); /* adjust to FUNC_PROLOG_SIZE */ |
| 6081 | #endif |
| 6082 | } |
| 6083 | ind = saved_ind; |
| 6084 | } |
| 6085 | |
| 6086 | /* generate a jump to a label */ |
| 6087 | int gjmp(int t) |
| 6088 | { |
| 6089 | return psym(0xe9, t); |
| 6090 | } |
| 6091 | |
| 6092 | /* generate a jump to a fixed address */ |
| 6093 | void gjmp_addr(int a) |
| 6094 | { |
| 6095 | int r; |
| 6096 | r = a - ind - 2; |
| 6097 | if (r == (char)r) { |
| 6098 | g(0xeb); |
| 6099 | g(r); |
| 6100 | } else { |
| 6101 | oad(0xe9, a - ind - 5); |
| 6102 | } |
| 6103 | } |
| 6104 | |
| 6105 | /* generate a test. set 'inv' to invert test. Stack entry is popped */ |
| 6106 | int gtst(int inv, int t) |
| 6107 | { |
| 6108 | int v, *p; |
| 6109 | |
| 6110 | v = vtop->r & VT_VALMASK; |
| 6111 | if (v == VT_CMP) { |
| 6112 | /* fast case : can jump directly since flags are set */ |
| 6113 | g(0x0f); |
| 6114 | t = psym((vtop->c.i - 16) ^ inv, t); |
| 6115 | } else if (v == VT_JMP || v == VT_JMPI) { |
| 6116 | /* && or || optimization */ |
| 6117 | if ((v & 1) == inv) { |
| 6118 | /* insert vtop->c jump list in t */ |
| 6119 | p = &vtop->c.i; |
| 6120 | while (*p != 0) |
| 6121 | p = (int *)(cur_text_section->data + *p); |
| 6122 | *p = t; |
| 6123 | t = vtop->c.i; |
| 6124 | } else { |
| 6125 | t = gjmp(t); |
| 6126 | gsym(vtop->c.i); |
| 6127 | } |
| 6128 | } else { |
| 6129 | if (is_float(vtop->type.t)) { |
| 6130 | vpushi(0); |
| 6131 | gen_op(TOK_NE); |
| 6132 | } |
| 6133 | if ((vtop->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST) { |
| 6134 | /* constant jmp optimization */ |
| 6135 | if ((vtop->c.i != 0) != inv) |
| 6136 | t = gjmp(t); |
| 6137 | } else { |
| 6138 | v = gv(RC_INT); |
| 6139 | o(0x85); |
| 6140 | o(0xc0 + v * 9); |
| 6141 | g(0x0f); |
| 6142 | t = psym(0x85 ^ inv, t); |
| 6143 | } |
| 6144 | } |
| 6145 | vtop--; |
| 6146 | return t; |
| 6147 | } |
| 6148 | |
| 6149 | /* generate an integer binary operation */ |
| 6150 | void gen_opi(int op) |
| 6151 | { |
| 6152 | int r, fr, opc, c; |
| 6153 | |
| 6154 | switch(op) { |
| 6155 | case '+': |
| 6156 | case TOK_ADDC1: /* add with carry generation */ |
| 6157 | opc = 0; |
| 6158 | gen_op8: |
| 6159 | if ((vtop->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST) { |
| 6160 | /* constant case */ |
| 6161 | vswap(); |
| 6162 | r = gv(RC_INT); |
| 6163 | vswap(); |
| 6164 | c = vtop->c.i; |
| 6165 | if (c == (char)c) { |
| 6166 | /* XXX: generate inc and dec for smaller code ? */ |
| 6167 | o(0x83); |
| 6168 | o(0xc0 | (opc << 3) | r); |
| 6169 | g(c); |
| 6170 | } else { |
| 6171 | o(0x81); |
| 6172 | oad(0xc0 | (opc << 3) | r, c); |
| 6173 | } |
| 6174 | } else { |
| 6175 | gv2(RC_INT, RC_INT); |
| 6176 | r = vtop[-1].r; |
| 6177 | fr = vtop[0].r; |
| 6178 | o((opc << 3) | 0x01); |
| 6179 | o(0xc0 + r + fr * 8); |
| 6180 | } |
| 6181 | vtop--; |
| 6182 | if (op >= TOK_ULT && op <= TOK_GT) { |
| 6183 | vtop->r = VT_CMP; |
| 6184 | vtop->c.i = op; |
| 6185 | } |
| 6186 | break; |
| 6187 | case '-': |
| 6188 | case TOK_SUBC1: /* sub with carry generation */ |
| 6189 | opc = 5; |
| 6190 | goto gen_op8; |
| 6191 | case TOK_ADDC2: /* add with carry use */ |
| 6192 | opc = 2; |
| 6193 | goto gen_op8; |
| 6194 | case TOK_SUBC2: /* sub with carry use */ |
| 6195 | opc = 3; |
| 6196 | goto gen_op8; |
| 6197 | case '&': |
| 6198 | opc = 4; |
| 6199 | goto gen_op8; |
| 6200 | case '^': |
| 6201 | opc = 6; |
| 6202 | goto gen_op8; |
| 6203 | case '|': |
| 6204 | opc = 1; |
| 6205 | goto gen_op8; |
| 6206 | case '*': |
| 6207 | gv2(RC_INT, RC_INT); |
| 6208 | r = vtop[-1].r; |
| 6209 | fr = vtop[0].r; |
| 6210 | vtop--; |
| 6211 | o(0xaf0f); /* imul fr, r */ |
| 6212 | o(0xc0 + fr + r * 8); |
| 6213 | break; |
| 6214 | case TOK_SHL: |
| 6215 | opc = 4; |
| 6216 | goto gen_shift; |
| 6217 | case TOK_SHR: |
| 6218 | opc = 5; |
| 6219 | goto gen_shift; |
| 6220 | case TOK_SAR: |
| 6221 | opc = 7; |
| 6222 | gen_shift: |
| 6223 | opc = 0xc0 | (opc << 3); |
| 6224 | if ((vtop->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST) { |
| 6225 | /* constant case */ |
| 6226 | vswap(); |
| 6227 | r = gv(RC_INT); |
| 6228 | vswap(); |
| 6229 | c = vtop->c.i & 0x1f; |
| 6230 | o(0xc1); /* shl/shr/sar $xxx, r */ |
| 6231 | o(opc | r); |
| 6232 | g(c); |
| 6233 | } else { |
| 6234 | /* we generate the shift in ecx */ |
| 6235 | gv2(RC_INT, RC_ECX); |
| 6236 | r = vtop[-1].r; |
| 6237 | o(0xd3); /* shl/shr/sar %cl, r */ |
| 6238 | o(opc | r); |
| 6239 | } |
| 6240 | vtop--; |
| 6241 | break; |
| 6242 | case '/': |
| 6243 | case TOK_UDIV: |
| 6244 | case TOK_PDIV: |
| 6245 | case '%': |
| 6246 | case TOK_UMOD: |
| 6247 | case TOK_UMULL: |
| 6248 | /* first operand must be in eax */ |
| 6249 | /* XXX: need better constraint for second operand */ |
| 6250 | gv2(RC_EAX, RC_ECX); |
| 6251 | r = vtop[-1].r; |
| 6252 | fr = vtop[0].r; |
| 6253 | vtop--; |
| 6254 | save_reg(TREG_EDX); |
| 6255 | if (op == TOK_UMULL) { |
| 6256 | o(0xf7); /* mul fr */ |
| 6257 | o(0xe0 + fr); |
| 6258 | vtop->r2 = TREG_EDX; |
| 6259 | r = TREG_EAX; |
| 6260 | } else { |
| 6261 | if (op == TOK_UDIV || op == TOK_UMOD) { |
| 6262 | o(0xf7d231); /* xor %edx, %edx, div fr, %eax */ |
| 6263 | o(0xf0 + fr); |
| 6264 | } else { |
| 6265 | o(0xf799); /* cltd, idiv fr, %eax */ |
| 6266 | o(0xf8 + fr); |
| 6267 | } |
| 6268 | if (op == '%' || op == TOK_UMOD) |
| 6269 | r = TREG_EDX; |
| 6270 | else |
| 6271 | r = TREG_EAX; |
| 6272 | } |
| 6273 | vtop->r = r; |
| 6274 | break; |
| 6275 | default: |
| 6276 | opc = 7; |
| 6277 | goto gen_op8; |
| 6278 | } |
| 6279 | } |
| 6280 | |
| 6281 | /* generate a floating point operation 'v = t1 op t2' instruction. The |
| 6282 | two operands are guaranted to have the same floating point type */ |
| 6283 | /* XXX: need to use ST1 too */ |
| 6284 | void gen_opf(int op) |
| 6285 | { |
| 6286 | int a, ft, fc, swapped, r; |
| 6287 | |
| 6288 | /* convert constants to memory references */ |
| 6289 | if ((vtop[-1].r & (VT_VALMASK | VT_LVAL)) == VT_CONST) { |
| 6290 | vswap(); |
| 6291 | gv(RC_FLOAT); |
| 6292 | vswap(); |
| 6293 | } |
| 6294 | if ((vtop[0].r & (VT_VALMASK | VT_LVAL)) == VT_CONST) |
| 6295 | gv(RC_FLOAT); |
| 6296 | |
| 6297 | /* must put at least one value in the floating point register */ |
| 6298 | if ((vtop[-1].r & VT_LVAL) && |
| 6299 | (vtop[0].r & VT_LVAL)) { |
| 6300 | vswap(); |
| 6301 | gv(RC_FLOAT); |
| 6302 | vswap(); |
| 6303 | } |
| 6304 | swapped = 0; |
| 6305 | /* swap the stack if needed so that t1 is the register and t2 is |
| 6306 | the memory reference */ |
| 6307 | if (vtop[-1].r & VT_LVAL) { |
| 6308 | vswap(); |
| 6309 | swapped = 1; |
| 6310 | } |
| 6311 | if (op >= TOK_ULT && op <= TOK_GT) { |
| 6312 | /* load on stack second operand */ |
| 6313 | load(TREG_ST0, vtop); |
| 6314 | save_reg(TREG_EAX); /* eax is used by FP comparison code */ |
| 6315 | if (op == TOK_GE || op == TOK_GT) |
| 6316 | swapped = !swapped; |
| 6317 | else if (op == TOK_EQ || op == TOK_NE) |
| 6318 | swapped = 0; |
| 6319 | if (swapped) |
| 6320 | o(0xc9d9); /* fxch %st(1) */ |
| 6321 | o(0xe9da); /* fucompp */ |
| 6322 | o(0xe0df); /* fnstsw %ax */ |
| 6323 | if (op == TOK_EQ) { |
| 6324 | o(0x45e480); /* and $0x45, %ah */ |
| 6325 | o(0x40fC80); /* cmp $0x40, %ah */ |
| 6326 | } else if (op == TOK_NE) { |
| 6327 | o(0x45e480); /* and $0x45, %ah */ |
| 6328 | o(0x40f480); /* xor $0x40, %ah */ |
| 6329 | op = TOK_NE; |
| 6330 | } else if (op == TOK_GE || op == TOK_LE) { |
| 6331 | o(0x05c4f6); /* test $0x05, %ah */ |
| 6332 | op = TOK_EQ; |
| 6333 | } else { |
| 6334 | o(0x45c4f6); /* test $0x45, %ah */ |
| 6335 | op = TOK_EQ; |
| 6336 | } |
| 6337 | vtop--; |
| 6338 | vtop->r = VT_CMP; |
| 6339 | vtop->c.i = op; |
| 6340 | } else { |
| 6341 | /* no memory reference possible for long double operations */ |
| 6342 | if ((vtop->type.t & VT_BTYPE) == VT_LDOUBLE) { |
| 6343 | load(TREG_ST0, vtop); |
| 6344 | swapped = !swapped; |
| 6345 | } |
| 6346 | |
| 6347 | switch(op) { |
| 6348 | default: |
| 6349 | case '+': |
| 6350 | a = 0; |
| 6351 | break; |
| 6352 | case '-': |
| 6353 | a = 4; |
| 6354 | if (swapped) |
| 6355 | a++; |
| 6356 | break; |
| 6357 | case '*': |
| 6358 | a = 1; |
| 6359 | break; |
| 6360 | case '/': |
| 6361 | a = 6; |
| 6362 | if (swapped) |
| 6363 | a++; |
| 6364 | break; |
| 6365 | } |
| 6366 | ft = vtop->type.t; |
| 6367 | fc = vtop->c.ul; |
| 6368 | if ((ft & VT_BTYPE) == VT_LDOUBLE) { |
| 6369 | o(0xde); /* fxxxp %st, %st(1) */ |
| 6370 | o(0xc1 + (a << 3)); |
| 6371 | } else { |
| 6372 | /* if saved lvalue, then we must reload it */ |
| 6373 | r = vtop->r; |
| 6374 | if ((r & VT_VALMASK) == VT_LLOCAL) { |
| 6375 | SValue v1; |
| 6376 | r = get_reg(RC_INT); |
| 6377 | v1.type.t = VT_INT; |
| 6378 | v1.r = VT_LOCAL | VT_LVAL; |
| 6379 | v1.c.ul = fc; |
| 6380 | load(r, &v1); |
| 6381 | fc = 0; |
| 6382 | } |
| 6383 | |
| 6384 | if ((ft & VT_BTYPE) == VT_DOUBLE) |
| 6385 | o(0xdc); |
| 6386 | else |
| 6387 | o(0xd8); |
| 6388 | gen_modrm(a, r, vtop->sym, fc); |
| 6389 | } |
| 6390 | vtop--; |
| 6391 | } |
| 6392 | } |
| 6393 | |
| 6394 | /* convert integers to fp 't' type. Must handle 'int', 'unsigned int' |
| 6395 | and 'long long' cases. */ |
| 6396 | void gen_cvt_itof(int t) |
| 6397 | { |
| 6398 | save_reg(TREG_ST0); |
| 6399 | gv(RC_INT); |
| 6400 | if ((vtop->type.t & VT_BTYPE) == VT_LLONG) { |
| 6401 | /* signed long long to float/double/long double (unsigned case |
| 6402 | is handled generically) */ |
| 6403 | o(0x50 + vtop->r2); /* push r2 */ |
| 6404 | o(0x50 + (vtop->r & VT_VALMASK)); /* push r */ |
| 6405 | o(0x242cdf); /* fildll (%esp) */ |
| 6406 | o(0x08c483); /* add $8, %esp */ |
| 6407 | } else if ((vtop->type.t & (VT_BTYPE | VT_UNSIGNED)) == |
| 6408 | (VT_INT | VT_UNSIGNED)) { |
| 6409 | /* unsigned int to float/double/long double */ |
| 6410 | o(0x6a); /* push $0 */ |
| 6411 | g(0x00); |
| 6412 | o(0x50 + (vtop->r & VT_VALMASK)); /* push r */ |
| 6413 | o(0x242cdf); /* fildll (%esp) */ |
| 6414 | o(0x08c483); /* add $8, %esp */ |
| 6415 | } else { |
| 6416 | /* int to float/double/long double */ |
| 6417 | o(0x50 + (vtop->r & VT_VALMASK)); /* push r */ |
| 6418 | o(0x2404db); /* fildl (%esp) */ |
| 6419 | o(0x04c483); /* add $4, %esp */ |
| 6420 | } |
| 6421 | vtop->r = TREG_ST0; |
| 6422 | } |
| 6423 | |
| 6424 | /* convert fp to int 't' type */ |
| 6425 | /* XXX: handle long long case */ |
| 6426 | void gen_cvt_ftoi(int t) |
| 6427 | { |
| 6428 | int r, r2, size; |
| 6429 | Sym *sym; |
| 6430 | CType ushort_type; |
| 6431 | |
| 6432 | ushort_type.t = VT_SHORT | VT_UNSIGNED; |
| 6433 | |
| 6434 | gv(RC_FLOAT); |
| 6435 | if (t != VT_INT) |
| 6436 | size = 8; |
| 6437 | else |
| 6438 | size = 4; |
| 6439 | |
| 6440 | o(0x2dd9); /* ldcw xxx */ |
| 6441 | sym = external_global_sym(TOK___tcc_int_fpu_control, |
| 6442 | &ushort_type, VT_LVAL); |
| 6443 | greloc(cur_text_section, sym, |
| 6444 | ind, R_386_32); |
| 6445 | gen_le32(0); |
| 6446 | |
| 6447 | oad(0xec81, size); /* sub $xxx, %esp */ |
| 6448 | if (size == 4) |
| 6449 | o(0x1cdb); /* fistpl */ |
| 6450 | else |
| 6451 | o(0x3cdf); /* fistpll */ |
| 6452 | o(0x24); |
| 6453 | o(0x2dd9); /* ldcw xxx */ |
| 6454 | sym = external_global_sym(TOK___tcc_fpu_control, |
| 6455 | &ushort_type, VT_LVAL); |
| 6456 | greloc(cur_text_section, sym, |
| 6457 | ind, R_386_32); |
| 6458 | gen_le32(0); |
| 6459 | |
| 6460 | r = get_reg(RC_INT); |
| 6461 | o(0x58 + r); /* pop r */ |
| 6462 | if (size == 8) { |
| 6463 | if (t == VT_LLONG) { |
| 6464 | vtop->r = r; /* mark reg as used */ |
| 6465 | r2 = get_reg(RC_INT); |
| 6466 | o(0x58 + r2); /* pop r2 */ |
| 6467 | vtop->r2 = r2; |
| 6468 | } else { |
| 6469 | o(0x04c483); /* add $4, %esp */ |
| 6470 | } |
| 6471 | } |
| 6472 | vtop->r = r; |
| 6473 | } |
| 6474 | |
| 6475 | /* convert from one floating point type to another */ |
| 6476 | void gen_cvt_ftof(int t) |
| 6477 | { |
| 6478 | /* all we have to do on i386 is to put the float in a register */ |
| 6479 | gv(RC_FLOAT); |
| 6480 | } |
| 6481 | |
| 6482 | /* computed goto support */ |
| 6483 | void ggoto(void) |
| 6484 | { |
| 6485 | gcall_or_jmp(1); |
| 6486 | vtop--; |
| 6487 | } |
| 6488 | |
| 6489 | /* bound check support functions */ |
| 6490 | #ifdef CONFIG_TCC_BCHECK |
| 6491 | |
| 6492 | /* generate a bounded pointer addition */ |
| 6493 | void gen_bounded_ptr_add(void) |
| 6494 | { |
| 6495 | Sym *sym; |
| 6496 | |
| 6497 | /* prepare fast i386 function call (args in eax and edx) */ |
| 6498 | gv2(RC_EAX, RC_EDX); |
| 6499 | /* save all temporary registers */ |
| 6500 | vtop -= 2; |
| 6501 | save_regs(0); |
| 6502 | /* do a fast function call */ |
| 6503 | sym = external_global_sym(TOK___bound_ptr_add, &func_old_type, 0); |
| 6504 | greloc(cur_text_section, sym, |
| 6505 | ind + 1, R_386_PC32); |
| 6506 | oad(0xe8, -4); |
| 6507 | /* returned pointer is in eax */ |
| 6508 | vtop++; |
| 6509 | vtop->r = TREG_EAX | VT_BOUNDED; |
| 6510 | /* address of bounding function call point */ |
| 6511 | vtop->c.ul = (cur_text_section->reloc->data_offset - sizeof(Elf32_Rel)); |
| 6512 | } |
| 6513 | |
| 6514 | /* patch pointer addition in vtop so that pointer dereferencing is |
| 6515 | also tested */ |
| 6516 | void gen_bounded_ptr_deref(void) |
| 6517 | { |
| 6518 | int func; |
| 6519 | int size, align; |
| 6520 | Elf32_Rel *rel; |
| 6521 | Sym *sym; |
| 6522 | |
| 6523 | size = 0; |
| 6524 | /* XXX: put that code in generic part of tcc */ |
| 6525 | if (!is_float(vtop->type.t)) { |
| 6526 | if (vtop->r & VT_LVAL_BYTE) |
| 6527 | size = 1; |
| 6528 | else if (vtop->r & VT_LVAL_SHORT) |
| 6529 | size = 2; |
| 6530 | } |
| 6531 | if (!size) |
| 6532 | size = type_size(&vtop->type, &align); |
| 6533 | switch(size) { |
| 6534 | case 1: func = TOK___bound_ptr_indir1; break; |
| 6535 | case 2: func = TOK___bound_ptr_indir2; break; |
| 6536 | case 4: func = TOK___bound_ptr_indir4; break; |
| 6537 | case 8: func = TOK___bound_ptr_indir8; break; |
| 6538 | case 12: func = TOK___bound_ptr_indir12; break; |
| 6539 | case 16: func = TOK___bound_ptr_indir16; break; |
| 6540 | default: |
| 6541 | error("unhandled size when derefencing bounded pointer"); |
| 6542 | func = 0; |
| 6543 | break; |
| 6544 | } |
| 6545 | |
| 6546 | /* patch relocation */ |
| 6547 | /* XXX: find a better solution ? */ |
| 6548 | rel = (Elf32_Rel *)(cur_text_section->reloc->data + vtop->c.ul); |
| 6549 | sym = external_global_sym(func, &func_old_type, 0); |
| 6550 | if (!sym->c) |
| 6551 | put_extern_sym(sym, NULL, 0, 0); |
| 6552 | rel->r_info = ELF32_R_INFO(sym->c, ELF32_R_TYPE(rel->r_info)); |
| 6553 | } |
| 6554 | #endif |
| 6555 | |
| 6556 | /* end of X86 code generator */ |
| 6557 | /*************************************************************/ |
| 6558 | |
| 6559 | //--------------------------------------------------------------------------- |
| 6560 | #endif |
| 6561 | |
| 6562 | // njn: commented these out |
| 6563 | //#ifdef TCC_TARGET_ARM |
| 6564 | //#include "arm-gen.c" |
| 6565 | //#endif |
| 6566 | // |
| 6567 | //#ifdef TCC_TARGET_C67 |
| 6568 | //#include "c67-gen.c" |
| 6569 | //#endif |
| 6570 | |
| 6571 | #ifdef CONFIG_TCC_STATIC |
| 6572 | |
| 6573 | #define RTLD_LAZY 0x001 |
| 6574 | #define RTLD_NOW 0x002 |
| 6575 | #define RTLD_GLOBAL 0x100 |
| 6576 | #define RTLD_DEFAULT NULL |
| 6577 | |
| 6578 | /* dummy function for profiling */ |
| 6579 | void *dlopen(const char *filename, int flag) |
| 6580 | { |
| 6581 | return NULL; |
| 6582 | } |
| 6583 | |
| 6584 | const char *dlerror(void) |
| 6585 | { |
| 6586 | return "error"; |
| 6587 | } |
| 6588 | |
| 6589 | typedef struct TCCSyms { |
| 6590 | char *str; |
| 6591 | void *ptr; |
| 6592 | } TCCSyms; |
| 6593 | |
| 6594 | #define TCCSYM(a) { #a, &a, }, |
| 6595 | |
| 6596 | /* add the symbol you want here if no dynamic linking is done */ |
| 6597 | static TCCSyms tcc_syms[] = { |
| 6598 | #if !defined(CONFIG_TCCBOOT) |
| 6599 | TCCSYM(printf) |
| 6600 | TCCSYM(fprintf) |
| 6601 | TCCSYM(fopen) |
| 6602 | TCCSYM(fclose) |
| 6603 | #endif |
| 6604 | { NULL, NULL }, |
| 6605 | }; |
| 6606 | |
| 6607 | void *resolve_sym(TCCState *s1, const char *symbol, int type) |
| 6608 | { |
| 6609 | TCCSyms *p; |
| 6610 | p = tcc_syms; |
| 6611 | while (p->str != NULL) { |
| 6612 | if (!strcmp(p->str, symbol)) |
| 6613 | return p->ptr; |
| 6614 | p++; |
| 6615 | } |
| 6616 | return NULL; |
| 6617 | } |
| 6618 | |
| 6619 | #elif !defined(WIN32) |
| 6620 | |
| 6621 | #include <dlfcn.h> |
| 6622 | |
| 6623 | void *resolve_sym(TCCState *s1, const char *sym, int type) |
| 6624 | { |
sewardj | b1e1a7a | 2005-12-26 03:54:49 +0000 | [diff] [blame] | 6625 | assert(0); |
| 6626 | return 0; //dlsym(RTLD_DEFAULT, sym); |
| 6627 | // jrs: remove need for dlsym |
njn | 99c8558 | 2005-12-20 23:02:43 +0000 | [diff] [blame] | 6628 | } |
| 6629 | |
| 6630 | #endif |
| 6631 | |
| 6632 | /********************************************************/ |
| 6633 | |
| 6634 | /* we use our own 'finite' function to avoid potential problems with |
| 6635 | non standard math libs */ |
| 6636 | /* XXX: endianness dependent */ |
| 6637 | int ieee_finite(double d) |
| 6638 | { |
| 6639 | int *p = (int *)&d; |
| 6640 | return ((unsigned)((p[1] | 0x800fffff) + 1)) >> 31; |
| 6641 | } |
| 6642 | |
| 6643 | /* copy a string and truncate it. */ |
| 6644 | static char *pstrcpy(char *buf, int buf_size, const char *s) |
| 6645 | { |
| 6646 | char *q, *q_end; |
| 6647 | int c; |
| 6648 | |
| 6649 | if (buf_size > 0) { |
| 6650 | q = buf; |
| 6651 | q_end = buf + buf_size - 1; |
| 6652 | while (q < q_end) { |
| 6653 | c = *s++; |
| 6654 | if (c == '\0') |
| 6655 | break; |
| 6656 | *q++ = c; |
| 6657 | } |
| 6658 | *q = '\0'; |
| 6659 | } |
| 6660 | return buf; |
| 6661 | } |
| 6662 | |
| 6663 | /* strcat and truncate. */ |
| 6664 | static char *pstrcat(char *buf, int buf_size, const char *s) |
| 6665 | { |
| 6666 | int len; |
| 6667 | len = strlen(buf); |
| 6668 | if (len < buf_size) |
| 6669 | pstrcpy(buf + len, buf_size - len, s); |
| 6670 | return buf; |
| 6671 | } |
| 6672 | |
| 6673 | static int strstart(const char *str, const char *val, const char **ptr) |
| 6674 | { |
| 6675 | const char *p, *q; |
| 6676 | p = str; |
| 6677 | q = val; |
| 6678 | while (*q != '\0') { |
| 6679 | if (*p != *q) |
| 6680 | return 0; |
| 6681 | p++; |
| 6682 | q++; |
| 6683 | } |
| 6684 | if (ptr) |
| 6685 | *ptr = p; |
| 6686 | return 1; |
| 6687 | } |
| 6688 | |
| 6689 | /* memory management */ |
| 6690 | #ifdef MEM_DEBUG |
| 6691 | int mem_cur_size; |
| 6692 | int mem_max_size; |
| 6693 | #endif |
| 6694 | |
| 6695 | static inline void tcc_free(void *ptr) |
| 6696 | { |
| 6697 | #ifdef MEM_DEBUG |
| 6698 | mem_cur_size -= malloc_usable_size(ptr); |
| 6699 | #endif |
| 6700 | free(ptr); |
| 6701 | } |
| 6702 | |
| 6703 | static void *tcc_malloc(unsigned long size) |
| 6704 | { |
| 6705 | void *ptr; |
| 6706 | ptr = malloc(size); |
| 6707 | if (!ptr && size) |
| 6708 | error("memory full"); |
| 6709 | #ifdef MEM_DEBUG |
| 6710 | mem_cur_size += malloc_usable_size(ptr); |
| 6711 | if (mem_cur_size > mem_max_size) |
| 6712 | mem_max_size = mem_cur_size; |
| 6713 | #endif |
| 6714 | return ptr; |
| 6715 | } |
| 6716 | |
| 6717 | static void *tcc_mallocz(unsigned long size) |
| 6718 | { |
| 6719 | void *ptr; |
| 6720 | ptr = tcc_malloc(size); |
| 6721 | memset(ptr, 0, size); |
| 6722 | return ptr; |
| 6723 | } |
| 6724 | |
| 6725 | static inline void *tcc_realloc(void *ptr, unsigned long size) |
| 6726 | { |
| 6727 | void *ptr1; |
| 6728 | #ifdef MEM_DEBUG |
| 6729 | mem_cur_size -= malloc_usable_size(ptr); |
| 6730 | #endif |
| 6731 | ptr1 = realloc(ptr, size); |
| 6732 | #ifdef MEM_DEBUG |
| 6733 | /* NOTE: count not correct if alloc error, but not critical */ |
| 6734 | mem_cur_size += malloc_usable_size(ptr1); |
| 6735 | if (mem_cur_size > mem_max_size) |
| 6736 | mem_max_size = mem_cur_size; |
| 6737 | #endif |
| 6738 | return ptr1; |
| 6739 | } |
| 6740 | |
| 6741 | static char *tcc_strdup(const char *str) |
| 6742 | { |
| 6743 | char *ptr; |
| 6744 | ptr = tcc_malloc(strlen(str) + 1); |
| 6745 | strcpy(ptr, str); |
| 6746 | return ptr; |
| 6747 | } |
| 6748 | |
| 6749 | #define free(p) use_tcc_free(p) |
| 6750 | #define malloc(s) use_tcc_malloc(s) |
| 6751 | #define realloc(p, s) use_tcc_realloc(p, s) |
| 6752 | |
| 6753 | static void dynarray_add(void ***ptab, int *nb_ptr, void *data) |
| 6754 | { |
| 6755 | int nb, nb_alloc; |
| 6756 | void **pp; |
| 6757 | |
| 6758 | nb = *nb_ptr; |
| 6759 | pp = *ptab; |
| 6760 | /* every power of two we double array size */ |
| 6761 | if ((nb & (nb - 1)) == 0) { |
| 6762 | if (!nb) |
| 6763 | nb_alloc = 1; |
| 6764 | else |
| 6765 | nb_alloc = nb * 2; |
| 6766 | pp = tcc_realloc(pp, nb_alloc * sizeof(void *)); |
| 6767 | if (!pp) |
| 6768 | error("memory full"); |
| 6769 | *ptab = pp; |
| 6770 | } |
| 6771 | pp[nb++] = data; |
| 6772 | *nb_ptr = nb; |
| 6773 | } |
| 6774 | |
| 6775 | /* symbol allocator */ |
| 6776 | static Sym *__sym_malloc(void) |
| 6777 | { |
| 6778 | Sym *sym_pool, *sym, *last_sym; |
| 6779 | int i; |
| 6780 | |
| 6781 | sym_pool = tcc_malloc(SYM_POOL_NB * sizeof(Sym)); |
| 6782 | |
| 6783 | last_sym = sym_free_first; |
| 6784 | sym = sym_pool; |
| 6785 | for(i = 0; i < SYM_POOL_NB; i++) { |
| 6786 | sym->next = last_sym; |
| 6787 | last_sym = sym; |
| 6788 | sym++; |
| 6789 | } |
| 6790 | sym_free_first = last_sym; |
| 6791 | return last_sym; |
| 6792 | } |
| 6793 | |
| 6794 | static inline Sym *sym_malloc(void) |
| 6795 | { |
| 6796 | Sym *sym; |
| 6797 | sym = sym_free_first; |
| 6798 | if (!sym) |
| 6799 | sym = __sym_malloc(); |
| 6800 | sym_free_first = sym->next; |
| 6801 | return sym; |
| 6802 | } |
| 6803 | |
| 6804 | static inline void sym_free(Sym *sym) |
| 6805 | { |
| 6806 | sym->next = sym_free_first; |
| 6807 | sym_free_first = sym; |
| 6808 | } |
| 6809 | |
| 6810 | Section *new_section(TCCState *s1, const char *name, int sh_type, int sh_flags) |
| 6811 | { |
| 6812 | Section *sec; |
| 6813 | |
| 6814 | sec = tcc_mallocz(sizeof(Section) + strlen(name)); |
| 6815 | strcpy(sec->name, name); |
| 6816 | sec->sh_type = sh_type; |
| 6817 | sec->sh_flags = sh_flags; |
| 6818 | switch(sh_type) { |
| 6819 | case SHT_HASH: |
| 6820 | case SHT_REL: |
| 6821 | case SHT_DYNSYM: |
| 6822 | case SHT_SYMTAB: |
| 6823 | case SHT_DYNAMIC: |
| 6824 | sec->sh_addralign = 4; |
| 6825 | break; |
| 6826 | case SHT_STRTAB: |
| 6827 | sec->sh_addralign = 1; |
| 6828 | break; |
| 6829 | default: |
| 6830 | sec->sh_addralign = 32; /* default conservative alignment */ |
| 6831 | break; |
| 6832 | } |
| 6833 | |
| 6834 | /* only add section if not private */ |
| 6835 | if (!(sh_flags & SHF_PRIVATE)) { |
| 6836 | sec->sh_num = s1->nb_sections; |
| 6837 | dynarray_add((void ***)&s1->sections, &s1->nb_sections, sec); |
| 6838 | } |
| 6839 | return sec; |
| 6840 | } |
| 6841 | |
| 6842 | static void free_section(Section *s) |
| 6843 | { |
| 6844 | tcc_free(s->data); |
| 6845 | tcc_free(s); |
| 6846 | } |
| 6847 | |
| 6848 | /* realloc section and set its content to zero */ |
| 6849 | static void section_realloc(Section *sec, unsigned long new_size) |
| 6850 | { |
| 6851 | unsigned long size; |
| 6852 | unsigned char *data; |
| 6853 | |
| 6854 | size = sec->data_allocated; |
| 6855 | if (size == 0) |
| 6856 | size = 1; |
| 6857 | while (size < new_size) |
| 6858 | size = size * 2; |
| 6859 | data = tcc_realloc(sec->data, size); |
| 6860 | if (!data) |
| 6861 | error("memory full"); |
| 6862 | memset(data + sec->data_allocated, 0, size - sec->data_allocated); |
| 6863 | sec->data = data; |
| 6864 | sec->data_allocated = size; |
| 6865 | } |
| 6866 | |
| 6867 | /* reserve at least 'size' bytes in section 'sec' from |
| 6868 | sec->data_offset. */ |
| 6869 | static void *section_ptr_add(Section *sec, unsigned long size) |
| 6870 | { |
| 6871 | unsigned long offset, offset1; |
| 6872 | |
| 6873 | offset = sec->data_offset; |
| 6874 | offset1 = offset + size; |
| 6875 | if (offset1 > sec->data_allocated) |
| 6876 | section_realloc(sec, offset1); |
| 6877 | sec->data_offset = offset1; |
| 6878 | return sec->data + offset; |
| 6879 | } |
| 6880 | |
| 6881 | /* return a reference to a section, and create it if it does not |
| 6882 | exists */ |
| 6883 | Section *find_section(TCCState *s1, const char *name) |
| 6884 | { |
| 6885 | Section *sec; |
| 6886 | int i; |
| 6887 | for(i = 1; i < s1->nb_sections; i++) { |
| 6888 | sec = s1->sections[i]; |
| 6889 | if (!strcmp(name, sec->name)) |
| 6890 | return sec; |
| 6891 | } |
| 6892 | /* sections are created as PROGBITS */ |
| 6893 | return new_section(s1, name, SHT_PROGBITS, SHF_ALLOC); |
| 6894 | } |
| 6895 | |
| 6896 | #define SECTION_ABS ((void *)1) |
| 6897 | |
| 6898 | /* update sym->c so that it points to an external symbol in section |
| 6899 | 'section' with value 'value' */ |
| 6900 | static void put_extern_sym2(Sym *sym, Section *section, |
| 6901 | unsigned long value, unsigned long size, |
| 6902 | int can_add_underscore) |
| 6903 | { |
| 6904 | int sym_type, sym_bind, sh_num, info; |
| 6905 | Elf32_Sym *esym; |
| 6906 | const char *name; |
| 6907 | char buf1[256]; |
| 6908 | |
| 6909 | if (section == NULL) |
| 6910 | sh_num = SHN_UNDEF; |
| 6911 | else if (section == SECTION_ABS) |
| 6912 | sh_num = SHN_ABS; |
| 6913 | else |
| 6914 | sh_num = section->sh_num; |
| 6915 | if (!sym->c) { |
| 6916 | if ((sym->type.t & VT_BTYPE) == VT_FUNC) |
| 6917 | sym_type = STT_FUNC; |
| 6918 | else |
| 6919 | sym_type = STT_OBJECT; |
| 6920 | if (sym->type.t & VT_STATIC) |
| 6921 | sym_bind = STB_LOCAL; |
| 6922 | else |
| 6923 | sym_bind = STB_GLOBAL; |
| 6924 | |
| 6925 | name = get_tok_str(sym->v, NULL); |
| 6926 | #ifdef CONFIG_TCC_BCHECK |
| 6927 | if (do_bounds_check) { |
| 6928 | char buf[32]; |
| 6929 | |
| 6930 | /* XXX: avoid doing that for statics ? */ |
| 6931 | /* if bound checking is activated, we change some function |
| 6932 | names by adding the "__bound" prefix */ |
| 6933 | switch(sym->v) { |
| 6934 | #if 0 |
| 6935 | /* XXX: we rely only on malloc hooks */ |
| 6936 | case TOK_malloc: |
| 6937 | case TOK_free: |
| 6938 | case TOK_realloc: |
| 6939 | case TOK_memalign: |
| 6940 | case TOK_calloc: |
| 6941 | #endif |
| 6942 | case TOK_memcpy: |
| 6943 | case TOK_memmove: |
| 6944 | case TOK_memset: |
| 6945 | case TOK_strlen: |
| 6946 | case TOK_strcpy: |
| 6947 | strcpy(buf, "__bound_"); |
| 6948 | strcat(buf, name); |
| 6949 | name = buf; |
| 6950 | break; |
| 6951 | } |
| 6952 | } |
| 6953 | #endif |
| 6954 | if (tcc_state->leading_underscore && can_add_underscore) { |
| 6955 | buf1[0] = '_'; |
| 6956 | pstrcpy(buf1 + 1, sizeof(buf1) - 1, name); |
| 6957 | name = buf1; |
| 6958 | } |
| 6959 | info = ELF32_ST_INFO(sym_bind, sym_type); |
| 6960 | sym->c = add_elf_sym(symtab_section, value, size, info, 0, sh_num, name); |
| 6961 | } else { |
| 6962 | esym = &((Elf32_Sym *)symtab_section->data)[sym->c]; |
| 6963 | esym->st_value = value; |
| 6964 | esym->st_size = size; |
| 6965 | esym->st_shndx = sh_num; |
| 6966 | } |
| 6967 | } |
| 6968 | |
| 6969 | static void put_extern_sym(Sym *sym, Section *section, |
| 6970 | unsigned long value, unsigned long size) |
| 6971 | { |
| 6972 | put_extern_sym2(sym, section, value, size, 1); |
| 6973 | } |
| 6974 | |
| 6975 | /* add a new relocation entry to symbol 'sym' in section 's' */ |
| 6976 | static void greloc(Section *s, Sym *sym, unsigned long offset, int type) |
| 6977 | { |
| 6978 | if (!sym->c) |
| 6979 | put_extern_sym(sym, NULL, 0, 0); |
| 6980 | /* now we can add ELF relocation info */ |
| 6981 | put_elf_reloc(symtab_section, s, offset, type, sym->c); |
| 6982 | } |
| 6983 | |
| 6984 | static inline int isid(int c) |
| 6985 | { |
| 6986 | return (c >= 'a' && c <= 'z') || |
| 6987 | (c >= 'A' && c <= 'Z') || |
| 6988 | c == '_'; |
| 6989 | } |
| 6990 | |
| 6991 | static inline int isnum(int c) |
| 6992 | { |
| 6993 | return c >= '0' && c <= '9'; |
| 6994 | } |
| 6995 | |
| 6996 | static inline int isoct(int c) |
| 6997 | { |
| 6998 | return c >= '0' && c <= '7'; |
| 6999 | } |
| 7000 | |
| 7001 | static inline int toup(int c) |
| 7002 | { |
| 7003 | if (c >= 'a' && c <= 'z') |
| 7004 | return c - 'a' + 'A'; |
| 7005 | else |
| 7006 | return c; |
| 7007 | } |
| 7008 | |
| 7009 | static void strcat_vprintf(char *buf, int buf_size, const char *fmt, va_list ap) |
| 7010 | { |
| 7011 | int len; |
| 7012 | len = strlen(buf); |
| 7013 | vsnprintf(buf + len, buf_size - len, fmt, ap); |
| 7014 | } |
| 7015 | |
| 7016 | static void strcat_printf(char *buf, int buf_size, const char *fmt, ...) |
| 7017 | { |
| 7018 | va_list ap; |
| 7019 | va_start(ap, fmt); |
| 7020 | strcat_vprintf(buf, buf_size, fmt, ap); |
| 7021 | va_end(ap); |
| 7022 | } |
| 7023 | |
| 7024 | void error1(TCCState *s1, int is_warning, const char *fmt, va_list ap) |
| 7025 | { |
| 7026 | char buf[2048]; |
| 7027 | BufferedFile **f; |
| 7028 | |
| 7029 | buf[0] = '\0'; |
| 7030 | if (file) { |
| 7031 | for(f = s1->include_stack; f < s1->include_stack_ptr; f++) |
| 7032 | strcat_printf(buf, sizeof(buf), "In file included from %s:%d:\n", |
| 7033 | (*f)->filename, (*f)->line_num); |
| 7034 | if (file->line_num > 0) { |
| 7035 | strcat_printf(buf, sizeof(buf), |
| 7036 | "%s:%d: ", file->filename, file->line_num); |
| 7037 | } else { |
| 7038 | strcat_printf(buf, sizeof(buf), |
| 7039 | "%s: ", file->filename); |
| 7040 | } |
| 7041 | } else { |
| 7042 | strcat_printf(buf, sizeof(buf), |
| 7043 | "tcc: "); |
| 7044 | } |
| 7045 | if (is_warning) |
| 7046 | strcat_printf(buf, sizeof(buf), "warning: "); |
| 7047 | strcat_vprintf(buf, sizeof(buf), fmt, ap); |
| 7048 | |
| 7049 | if (!s1->error_func) { |
| 7050 | /* default case: stderr */ |
| 7051 | fprintf(stderr, "%s\n", buf); |
| 7052 | } else { |
| 7053 | s1->error_func(s1->error_opaque, buf); |
| 7054 | } |
| 7055 | if (!is_warning || s1->warn_error) |
| 7056 | s1->nb_errors++; |
| 7057 | } |
| 7058 | |
| 7059 | #ifdef LIBTCC |
| 7060 | void tcc_set_error_func(TCCState *s, void *error_opaque, |
| 7061 | void (*error_func)(void *opaque, const char *msg)) |
| 7062 | { |
| 7063 | s->error_opaque = error_opaque; |
| 7064 | s->error_func = error_func; |
| 7065 | } |
| 7066 | #endif |
| 7067 | |
| 7068 | /* error without aborting current compilation */ |
| 7069 | void error_noabort(const char *fmt, ...) |
| 7070 | { |
| 7071 | TCCState *s1 = tcc_state; |
| 7072 | va_list ap; |
| 7073 | |
| 7074 | va_start(ap, fmt); |
| 7075 | error1(s1, 0, fmt, ap); |
| 7076 | va_end(ap); |
| 7077 | } |
| 7078 | |
| 7079 | void error(const char *fmt, ...) |
| 7080 | { |
| 7081 | TCCState *s1 = tcc_state; |
| 7082 | va_list ap; |
| 7083 | |
| 7084 | va_start(ap, fmt); |
| 7085 | error1(s1, 0, fmt, ap); |
| 7086 | va_end(ap); |
| 7087 | /* better than nothing: in some cases, we accept to handle errors */ |
| 7088 | if (s1->error_set_jmp_enabled) { |
| 7089 | longjmp(s1->error_jmp_buf, 1); |
| 7090 | } else { |
| 7091 | /* XXX: eliminate this someday */ |
| 7092 | exit(1); |
| 7093 | } |
| 7094 | } |
| 7095 | |
| 7096 | void expect(const char *msg) |
| 7097 | { |
| 7098 | error("%s expected", msg); |
| 7099 | } |
| 7100 | |
| 7101 | void warning(const char *fmt, ...) |
| 7102 | { |
| 7103 | TCCState *s1 = tcc_state; |
| 7104 | va_list ap; |
| 7105 | |
| 7106 | if (s1->warn_none) |
| 7107 | return; |
| 7108 | |
| 7109 | va_start(ap, fmt); |
| 7110 | error1(s1, 1, fmt, ap); |
| 7111 | va_end(ap); |
| 7112 | } |
| 7113 | |
| 7114 | void skip(int c) |
| 7115 | { |
| 7116 | if (tok != c) |
| 7117 | error("'%c' expected", c); |
| 7118 | next(); |
| 7119 | } |
| 7120 | |
| 7121 | static void test_lvalue(void) |
| 7122 | { |
| 7123 | if (!(vtop->r & VT_LVAL)) |
| 7124 | expect("lvalue"); |
| 7125 | } |
| 7126 | |
| 7127 | /* allocate a new token */ |
| 7128 | static TokenSym *tok_alloc_new(TokenSym **pts, const char *str, int len) |
| 7129 | { |
| 7130 | TokenSym *ts, **ptable; |
| 7131 | int i; |
| 7132 | |
| 7133 | if (tok_ident >= SYM_FIRST_ANOM) |
| 7134 | error("memory full"); |
| 7135 | |
| 7136 | /* expand token table if needed */ |
| 7137 | i = tok_ident - TOK_IDENT; |
| 7138 | if ((i % TOK_ALLOC_INCR) == 0) { |
| 7139 | ptable = tcc_realloc(table_ident, (i + TOK_ALLOC_INCR) * sizeof(TokenSym *)); |
| 7140 | if (!ptable) |
| 7141 | error("memory full"); |
| 7142 | table_ident = ptable; |
| 7143 | } |
| 7144 | |
| 7145 | ts = tcc_malloc(sizeof(TokenSym) + len); |
| 7146 | table_ident[i] = ts; |
| 7147 | ts->tok = tok_ident++; |
| 7148 | ts->sym_define = NULL; |
| 7149 | ts->sym_label = NULL; |
| 7150 | ts->sym_struct = NULL; |
| 7151 | ts->sym_identifier = NULL; |
| 7152 | ts->len = len; |
| 7153 | ts->hash_next = NULL; |
| 7154 | memcpy(ts->str, str, len); |
| 7155 | ts->str[len] = '\0'; |
| 7156 | *pts = ts; |
| 7157 | return ts; |
| 7158 | } |
| 7159 | |
| 7160 | #define TOK_HASH_INIT 1 |
| 7161 | #define TOK_HASH_FUNC(h, c) ((h) * 263 + (c)) |
| 7162 | |
| 7163 | /* find a token and add it if not found */ |
| 7164 | static TokenSym *tok_alloc(const char *str, int len) |
| 7165 | { |
| 7166 | TokenSym *ts, **pts; |
| 7167 | int i; |
| 7168 | unsigned int h; |
| 7169 | |
| 7170 | h = TOK_HASH_INIT; |
| 7171 | for(i=0;i<len;i++) |
| 7172 | h = TOK_HASH_FUNC(h, ((unsigned char *)str)[i]); |
| 7173 | h &= (TOK_HASH_SIZE - 1); |
| 7174 | |
| 7175 | pts = &hash_ident[h]; |
| 7176 | for(;;) { |
| 7177 | ts = *pts; |
| 7178 | if (!ts) |
| 7179 | break; |
| 7180 | if (ts->len == len && !memcmp(ts->str, str, len)) |
| 7181 | return ts; |
| 7182 | pts = &(ts->hash_next); |
| 7183 | } |
| 7184 | return tok_alloc_new(pts, str, len); |
| 7185 | } |
| 7186 | |
| 7187 | /* CString handling */ |
| 7188 | |
| 7189 | static void cstr_realloc(CString *cstr, int new_size) |
| 7190 | { |
| 7191 | int size; |
| 7192 | void *data; |
| 7193 | |
| 7194 | size = cstr->size_allocated; |
| 7195 | if (size == 0) |
| 7196 | size = 8; /* no need to allocate a too small first string */ |
| 7197 | while (size < new_size) |
| 7198 | size = size * 2; |
| 7199 | data = tcc_realloc(cstr->data_allocated, size); |
| 7200 | if (!data) |
| 7201 | error("memory full"); |
| 7202 | cstr->data_allocated = data; |
| 7203 | cstr->size_allocated = size; |
| 7204 | cstr->data = data; |
| 7205 | } |
| 7206 | |
| 7207 | /* add a byte */ |
| 7208 | static inline void cstr_ccat(CString *cstr, int ch) |
| 7209 | { |
| 7210 | int size; |
| 7211 | size = cstr->size + 1; |
| 7212 | if (size > cstr->size_allocated) |
| 7213 | cstr_realloc(cstr, size); |
| 7214 | ((unsigned char *)cstr->data)[size - 1] = ch; |
| 7215 | cstr->size = size; |
| 7216 | } |
| 7217 | |
| 7218 | static void cstr_cat(CString *cstr, const char *str) |
| 7219 | { |
| 7220 | int c; |
| 7221 | for(;;) { |
| 7222 | c = *str; |
| 7223 | if (c == '\0') |
| 7224 | break; |
| 7225 | cstr_ccat(cstr, c); |
| 7226 | str++; |
| 7227 | } |
| 7228 | } |
| 7229 | |
| 7230 | /* add a wide char */ |
| 7231 | static void cstr_wccat(CString *cstr, int ch) |
| 7232 | { |
| 7233 | int size; |
| 7234 | size = cstr->size + sizeof(int); |
| 7235 | if (size > cstr->size_allocated) |
| 7236 | cstr_realloc(cstr, size); |
| 7237 | *(int *)(((unsigned char *)cstr->data) + size - sizeof(int)) = ch; |
| 7238 | cstr->size = size; |
| 7239 | } |
| 7240 | |
| 7241 | static void cstr_new(CString *cstr) |
| 7242 | { |
| 7243 | memset(cstr, 0, sizeof(CString)); |
| 7244 | } |
| 7245 | |
| 7246 | /* free string and reset it to NULL */ |
| 7247 | static void cstr_free(CString *cstr) |
| 7248 | { |
| 7249 | tcc_free(cstr->data_allocated); |
| 7250 | cstr_new(cstr); |
| 7251 | } |
| 7252 | |
| 7253 | #define cstr_reset(cstr) cstr_free(cstr) |
| 7254 | |
| 7255 | /* XXX: unicode ? */ |
| 7256 | static void add_char(CString *cstr, int c) |
| 7257 | { |
| 7258 | if (c == '\'' || c == '\"' || c == '\\') { |
| 7259 | /* XXX: could be more precise if char or string */ |
| 7260 | cstr_ccat(cstr, '\\'); |
| 7261 | } |
| 7262 | if (c >= 32 && c <= 126) { |
| 7263 | cstr_ccat(cstr, c); |
| 7264 | } else { |
| 7265 | cstr_ccat(cstr, '\\'); |
| 7266 | if (c == '\n') { |
| 7267 | cstr_ccat(cstr, 'n'); |
| 7268 | } else { |
| 7269 | cstr_ccat(cstr, '0' + ((c >> 6) & 7)); |
| 7270 | cstr_ccat(cstr, '0' + ((c >> 3) & 7)); |
| 7271 | cstr_ccat(cstr, '0' + (c & 7)); |
| 7272 | } |
| 7273 | } |
| 7274 | } |
| 7275 | |
| 7276 | /* XXX: buffer overflow */ |
| 7277 | /* XXX: float tokens */ |
| 7278 | char *get_tok_str(int v, CValue *cv) |
| 7279 | { |
| 7280 | static char buf[STRING_MAX_SIZE + 1]; |
| 7281 | static CString cstr_buf; |
| 7282 | CString *cstr; |
| 7283 | unsigned char *q; |
| 7284 | char *p; |
| 7285 | int i, len; |
| 7286 | |
| 7287 | /* NOTE: to go faster, we give a fixed buffer for small strings */ |
| 7288 | cstr_reset(&cstr_buf); |
| 7289 | cstr_buf.data = buf; |
| 7290 | cstr_buf.size_allocated = sizeof(buf); |
| 7291 | p = buf; |
| 7292 | |
| 7293 | switch(v) { |
| 7294 | case TOK_CINT: |
| 7295 | case TOK_CUINT: |
| 7296 | /* XXX: not quite exact, but only useful for testing */ |
| 7297 | sprintf(p, "%u", cv->ui); |
| 7298 | break; |
| 7299 | case TOK_CLLONG: |
| 7300 | case TOK_CULLONG: |
| 7301 | /* XXX: not quite exact, but only useful for testing */ |
| 7302 | sprintf(p, "%Lu", cv->ull); |
| 7303 | break; |
| 7304 | case TOK_CCHAR: |
| 7305 | case TOK_LCHAR: |
| 7306 | cstr_ccat(&cstr_buf, '\''); |
| 7307 | add_char(&cstr_buf, cv->i); |
| 7308 | cstr_ccat(&cstr_buf, '\''); |
| 7309 | cstr_ccat(&cstr_buf, '\0'); |
| 7310 | break; |
| 7311 | case TOK_PPNUM: |
| 7312 | cstr = cv->cstr; |
| 7313 | len = cstr->size - 1; |
| 7314 | for(i=0;i<len;i++) |
| 7315 | add_char(&cstr_buf, ((unsigned char *)cstr->data)[i]); |
| 7316 | cstr_ccat(&cstr_buf, '\0'); |
| 7317 | break; |
| 7318 | case TOK_STR: |
| 7319 | case TOK_LSTR: |
| 7320 | cstr = cv->cstr; |
| 7321 | cstr_ccat(&cstr_buf, '\"'); |
| 7322 | if (v == TOK_STR) { |
| 7323 | len = cstr->size - 1; |
| 7324 | for(i=0;i<len;i++) |
| 7325 | add_char(&cstr_buf, ((unsigned char *)cstr->data)[i]); |
| 7326 | } else { |
| 7327 | len = (cstr->size / sizeof(int)) - 1; |
| 7328 | for(i=0;i<len;i++) |
| 7329 | add_char(&cstr_buf, ((int *)cstr->data)[i]); |
| 7330 | } |
| 7331 | cstr_ccat(&cstr_buf, '\"'); |
| 7332 | cstr_ccat(&cstr_buf, '\0'); |
| 7333 | break; |
| 7334 | case TOK_LT: |
| 7335 | v = '<'; |
| 7336 | goto addv; |
| 7337 | case TOK_GT: |
| 7338 | v = '>'; |
| 7339 | goto addv; |
| 7340 | case TOK_A_SHL: |
| 7341 | return strcpy(p, "<<="); |
| 7342 | case TOK_A_SAR: |
| 7343 | return strcpy(p, ">>="); |
| 7344 | default: |
| 7345 | if (v < TOK_IDENT) { |
| 7346 | /* search in two bytes table */ |
| 7347 | q = tok_two_chars; |
| 7348 | while (*q) { |
| 7349 | if (q[2] == v) { |
| 7350 | *p++ = q[0]; |
| 7351 | *p++ = q[1]; |
| 7352 | *p = '\0'; |
| 7353 | return buf; |
| 7354 | } |
| 7355 | q += 3; |
| 7356 | } |
| 7357 | addv: |
| 7358 | *p++ = v; |
| 7359 | *p = '\0'; |
| 7360 | } else if (v < tok_ident) { |
| 7361 | return table_ident[v - TOK_IDENT]->str; |
| 7362 | } else if (v >= SYM_FIRST_ANOM) { |
| 7363 | /* special name for anonymous symbol */ |
| 7364 | sprintf(p, "L.%u", v - SYM_FIRST_ANOM); |
| 7365 | } else { |
| 7366 | /* should never happen */ |
| 7367 | return NULL; |
| 7368 | } |
| 7369 | break; |
| 7370 | } |
| 7371 | return cstr_buf.data; |
| 7372 | } |
| 7373 | |
| 7374 | /* push, without hashing */ |
| 7375 | static Sym *sym_push2(Sym **ps, int v, int t, int c) |
| 7376 | { |
| 7377 | Sym *s; |
| 7378 | s = sym_malloc(); |
| 7379 | s->v = v; |
| 7380 | s->type.t = t; |
| 7381 | s->c = c; |
| 7382 | s->next = NULL; |
| 7383 | /* add in stack */ |
| 7384 | s->prev = *ps; |
| 7385 | *ps = s; |
| 7386 | return s; |
| 7387 | } |
| 7388 | |
| 7389 | /* find a symbol and return its associated structure. 's' is the top |
| 7390 | of the symbol stack */ |
| 7391 | static Sym *sym_find2(Sym *s, int v) |
| 7392 | { |
| 7393 | while (s) { |
| 7394 | if (s->v == v) |
| 7395 | return s; |
| 7396 | s = s->prev; |
| 7397 | } |
| 7398 | return NULL; |
| 7399 | } |
| 7400 | |
| 7401 | /* structure lookup */ |
| 7402 | static inline Sym *struct_find(int v) |
| 7403 | { |
| 7404 | v -= TOK_IDENT; |
| 7405 | if ((unsigned)v >= (unsigned)(tok_ident - TOK_IDENT)) |
| 7406 | return NULL; |
| 7407 | return table_ident[v]->sym_struct; |
| 7408 | } |
| 7409 | |
| 7410 | /* find an identifier */ |
| 7411 | static inline Sym *sym_find(int v) |
| 7412 | { |
| 7413 | v -= TOK_IDENT; |
| 7414 | if ((unsigned)v >= (unsigned)(tok_ident - TOK_IDENT)) |
| 7415 | return NULL; |
| 7416 | return table_ident[v]->sym_identifier; |
| 7417 | } |
| 7418 | |
| 7419 | /* push a given symbol on the symbol stack */ |
| 7420 | static Sym *sym_push(int v, CType *type, int r, int c) |
| 7421 | { |
| 7422 | Sym *s, **ps; |
| 7423 | TokenSym *ts; |
| 7424 | |
| 7425 | if (local_stack) |
| 7426 | ps = &local_stack; |
| 7427 | else |
| 7428 | ps = &global_stack; |
| 7429 | s = sym_push2(ps, v, type->t, c); |
| 7430 | s->type.ref = type->ref; |
| 7431 | s->r = r; |
| 7432 | /* don't record fields or anonymous symbols */ |
| 7433 | /* XXX: simplify */ |
| 7434 | if (!(v & SYM_FIELD) && (v & ~SYM_STRUCT) < SYM_FIRST_ANOM) { |
| 7435 | /* record symbol in token array */ |
| 7436 | ts = table_ident[(v & ~SYM_STRUCT) - TOK_IDENT]; |
| 7437 | if (v & SYM_STRUCT) |
| 7438 | ps = &ts->sym_struct; |
| 7439 | else |
| 7440 | ps = &ts->sym_identifier; |
| 7441 | s->prev_tok = *ps; |
| 7442 | *ps = s; |
| 7443 | } |
| 7444 | return s; |
| 7445 | } |
| 7446 | |
| 7447 | /* push a global identifier */ |
| 7448 | static Sym *global_identifier_push(int v, int t, int c) |
| 7449 | { |
| 7450 | Sym *s, **ps; |
| 7451 | s = sym_push2(&global_stack, v, t, c); |
| 7452 | /* don't record anonymous symbol */ |
| 7453 | if (v < SYM_FIRST_ANOM) { |
| 7454 | ps = &table_ident[v - TOK_IDENT]->sym_identifier; |
| 7455 | /* modify the top most local identifier, so that |
| 7456 | sym_identifier will point to 's' when popped */ |
| 7457 | while (*ps != NULL) |
| 7458 | ps = &(*ps)->prev_tok; |
| 7459 | s->prev_tok = NULL; |
| 7460 | *ps = s; |
| 7461 | } |
| 7462 | return s; |
| 7463 | } |
| 7464 | |
| 7465 | /* pop symbols until top reaches 'b' */ |
| 7466 | static void sym_pop(Sym **ptop, Sym *b) |
| 7467 | { |
| 7468 | Sym *s, *ss, **ps; |
| 7469 | TokenSym *ts; |
| 7470 | int v; |
| 7471 | |
| 7472 | s = *ptop; |
| 7473 | while(s != b) { |
| 7474 | ss = s->prev; |
| 7475 | v = s->v; |
| 7476 | /* remove symbol in token array */ |
| 7477 | /* XXX: simplify */ |
| 7478 | if (!(v & SYM_FIELD) && (v & ~SYM_STRUCT) < SYM_FIRST_ANOM) { |
| 7479 | ts = table_ident[(v & ~SYM_STRUCT) - TOK_IDENT]; |
| 7480 | if (v & SYM_STRUCT) |
| 7481 | ps = &ts->sym_struct; |
| 7482 | else |
| 7483 | ps = &ts->sym_identifier; |
| 7484 | *ps = s->prev_tok; |
| 7485 | } |
| 7486 | sym_free(s); |
| 7487 | s = ss; |
| 7488 | } |
| 7489 | *ptop = b; |
| 7490 | } |
| 7491 | |
| 7492 | /* I/O layer */ |
| 7493 | |
| 7494 | BufferedFile *tcc_open(TCCState *s1, const char *filename) |
| 7495 | { |
| 7496 | int fd; |
| 7497 | BufferedFile *bf; |
| 7498 | |
| 7499 | fd = open(filename, O_RDONLY | O_BINARY); |
| 7500 | if (fd < 0) |
| 7501 | return NULL; |
| 7502 | bf = tcc_malloc(sizeof(BufferedFile)); |
| 7503 | if (!bf) { |
| 7504 | close(fd); |
| 7505 | return NULL; |
| 7506 | } |
| 7507 | bf->fd = fd; |
| 7508 | bf->buf_ptr = bf->buffer; |
| 7509 | bf->buf_end = bf->buffer; |
| 7510 | bf->buffer[0] = CH_EOB; /* put eob symbol */ |
| 7511 | pstrcpy(bf->filename, sizeof(bf->filename), filename); |
| 7512 | bf->line_num = 1; |
| 7513 | bf->ifndef_macro = 0; |
| 7514 | bf->ifdef_stack_ptr = s1->ifdef_stack_ptr; |
| 7515 | // printf("opening '%s'\n", filename); |
| 7516 | return bf; |
| 7517 | } |
| 7518 | |
| 7519 | void tcc_close(BufferedFile *bf) |
| 7520 | { |
| 7521 | total_lines += bf->line_num; |
| 7522 | close(bf->fd); |
| 7523 | tcc_free(bf); |
| 7524 | } |
| 7525 | |
| 7526 | /* fill input buffer and peek next char */ |
| 7527 | static int tcc_peekc_slow(BufferedFile *bf) |
| 7528 | { |
| 7529 | int len; |
| 7530 | /* only tries to read if really end of buffer */ |
| 7531 | if (bf->buf_ptr >= bf->buf_end) { |
| 7532 | if (bf->fd != -1) { |
| 7533 | #if defined(PARSE_DEBUG) |
| 7534 | len = 8; |
| 7535 | #else |
| 7536 | len = IO_BUF_SIZE; |
| 7537 | #endif |
| 7538 | len = read(bf->fd, bf->buffer, len); |
| 7539 | if (len < 0) |
| 7540 | len = 0; |
| 7541 | } else { |
| 7542 | len = 0; |
| 7543 | } |
| 7544 | total_bytes += len; |
| 7545 | bf->buf_ptr = bf->buffer; |
| 7546 | bf->buf_end = bf->buffer + len; |
| 7547 | *bf->buf_end = CH_EOB; |
| 7548 | } |
| 7549 | if (bf->buf_ptr < bf->buf_end) { |
| 7550 | return bf->buf_ptr[0]; |
| 7551 | } else { |
| 7552 | bf->buf_ptr = bf->buf_end; |
| 7553 | return CH_EOF; |
| 7554 | } |
| 7555 | } |
| 7556 | |
| 7557 | /* return the current character, handling end of block if necessary |
| 7558 | (but not stray) */ |
| 7559 | static int handle_eob(void) |
| 7560 | { |
| 7561 | return tcc_peekc_slow(file); |
| 7562 | } |
| 7563 | |
| 7564 | /* read next char from current input file and handle end of input buffer */ |
| 7565 | static inline void inp(void) |
| 7566 | { |
| 7567 | ch = *(++(file->buf_ptr)); |
| 7568 | /* end of buffer/file handling */ |
| 7569 | if (ch == CH_EOB) |
| 7570 | ch = handle_eob(); |
| 7571 | } |
| 7572 | |
| 7573 | /* handle '\[\r]\n' */ |
| 7574 | static void handle_stray(void) |
| 7575 | { |
| 7576 | while (ch == '\\') { |
| 7577 | inp(); |
| 7578 | if (ch == '\n') { |
| 7579 | file->line_num++; |
| 7580 | inp(); |
| 7581 | } else if (ch == '\r') { |
| 7582 | inp(); |
| 7583 | if (ch != '\n') |
| 7584 | goto fail; |
| 7585 | file->line_num++; |
| 7586 | inp(); |
| 7587 | } else { |
| 7588 | fail: |
| 7589 | error("stray '\\' in program"); |
| 7590 | } |
| 7591 | } |
| 7592 | } |
| 7593 | |
| 7594 | /* skip the stray and handle the \\n case. Output an error if |
| 7595 | incorrect char after the stray */ |
| 7596 | static int handle_stray1(uint8_t *p) |
| 7597 | { |
| 7598 | int c; |
| 7599 | |
| 7600 | if (p >= file->buf_end) { |
| 7601 | file->buf_ptr = p; |
| 7602 | c = handle_eob(); |
| 7603 | p = file->buf_ptr; |
| 7604 | if (c == '\\') |
| 7605 | goto parse_stray; |
| 7606 | } else { |
| 7607 | parse_stray: |
| 7608 | file->buf_ptr = p; |
| 7609 | ch = *p; |
| 7610 | handle_stray(); |
| 7611 | p = file->buf_ptr; |
| 7612 | c = *p; |
| 7613 | } |
| 7614 | return c; |
| 7615 | } |
| 7616 | |
| 7617 | /* handle just the EOB case, but not stray */ |
| 7618 | #define PEEKC_EOB(c, p)\ |
| 7619 | {\ |
| 7620 | p++;\ |
| 7621 | c = *p;\ |
| 7622 | if (c == '\\') {\ |
| 7623 | file->buf_ptr = p;\ |
| 7624 | c = handle_eob();\ |
| 7625 | p = file->buf_ptr;\ |
| 7626 | }\ |
| 7627 | } |
| 7628 | |
| 7629 | /* handle the complicated stray case */ |
| 7630 | #define PEEKC(c, p)\ |
| 7631 | {\ |
| 7632 | p++;\ |
| 7633 | c = *p;\ |
| 7634 | if (c == '\\') {\ |
| 7635 | c = handle_stray1(p);\ |
| 7636 | p = file->buf_ptr;\ |
| 7637 | }\ |
| 7638 | } |
| 7639 | |
| 7640 | /* input with '\[\r]\n' handling. Note that this function cannot |
| 7641 | handle other characters after '\', so you cannot call it inside |
| 7642 | strings or comments */ |
| 7643 | static void minp(void) |
| 7644 | { |
| 7645 | inp(); |
| 7646 | if (ch == '\\') |
| 7647 | handle_stray(); |
| 7648 | } |
| 7649 | |
| 7650 | |
| 7651 | /* single line C++ comments */ |
| 7652 | static uint8_t *parse_line_comment(uint8_t *p) |
| 7653 | { |
| 7654 | int c; |
| 7655 | |
| 7656 | p++; |
| 7657 | for(;;) { |
| 7658 | c = *p; |
| 7659 | redo: |
| 7660 | if (c == '\n' || c == CH_EOF) { |
| 7661 | break; |
| 7662 | } else if (c == '\\') { |
| 7663 | file->buf_ptr = p; |
| 7664 | c = handle_eob(); |
| 7665 | p = file->buf_ptr; |
| 7666 | if (c == '\\') { |
| 7667 | PEEKC_EOB(c, p); |
| 7668 | if (c == '\n') { |
| 7669 | file->line_num++; |
| 7670 | PEEKC_EOB(c, p); |
| 7671 | } else if (c == '\r') { |
| 7672 | PEEKC_EOB(c, p); |
| 7673 | if (c == '\n') { |
| 7674 | file->line_num++; |
| 7675 | PEEKC_EOB(c, p); |
| 7676 | } |
| 7677 | } |
| 7678 | } else { |
| 7679 | goto redo; |
| 7680 | } |
| 7681 | } else { |
| 7682 | p++; |
| 7683 | } |
| 7684 | } |
| 7685 | return p; |
| 7686 | } |
| 7687 | |
| 7688 | /* C comments */ |
| 7689 | static uint8_t *parse_comment(uint8_t *p) |
| 7690 | { |
| 7691 | int c; |
| 7692 | |
| 7693 | p++; |
| 7694 | for(;;) { |
| 7695 | /* fast skip loop */ |
| 7696 | for(;;) { |
| 7697 | c = *p; |
| 7698 | if (c == '\n' || c == '*' || c == '\\') |
| 7699 | break; |
| 7700 | p++; |
| 7701 | c = *p; |
| 7702 | if (c == '\n' || c == '*' || c == '\\') |
| 7703 | break; |
| 7704 | p++; |
| 7705 | } |
| 7706 | /* now we can handle all the cases */ |
| 7707 | if (c == '\n') { |
| 7708 | file->line_num++; |
| 7709 | p++; |
| 7710 | } else if (c == '*') { |
| 7711 | p++; |
| 7712 | for(;;) { |
| 7713 | c = *p; |
| 7714 | if (c == '*') { |
| 7715 | p++; |
| 7716 | } else if (c == '/') { |
| 7717 | goto end_of_comment; |
| 7718 | } else if (c == '\\') { |
| 7719 | file->buf_ptr = p; |
| 7720 | c = handle_eob(); |
| 7721 | p = file->buf_ptr; |
| 7722 | if (c == '\\') { |
| 7723 | /* skip '\[\r]\n', otherwise just skip the stray */ |
| 7724 | while (c == '\\') { |
| 7725 | PEEKC_EOB(c, p); |
| 7726 | if (c == '\n') { |
| 7727 | file->line_num++; |
| 7728 | PEEKC_EOB(c, p); |
| 7729 | } else if (c == '\r') { |
| 7730 | PEEKC_EOB(c, p); |
| 7731 | if (c == '\n') { |
| 7732 | file->line_num++; |
| 7733 | PEEKC_EOB(c, p); |
| 7734 | } |
| 7735 | } else { |
| 7736 | goto after_star; |
| 7737 | } |
| 7738 | } |
| 7739 | } |
| 7740 | } else { |
| 7741 | break; |
| 7742 | } |
| 7743 | } |
| 7744 | after_star: ; |
| 7745 | } else { |
| 7746 | /* stray, eob or eof */ |
| 7747 | file->buf_ptr = p; |
| 7748 | c = handle_eob(); |
| 7749 | p = file->buf_ptr; |
| 7750 | if (c == CH_EOF) { |
| 7751 | error("unexpected end of file in comment"); |
| 7752 | } else if (c == '\\') { |
| 7753 | p++; |
| 7754 | } |
| 7755 | } |
| 7756 | } |
| 7757 | end_of_comment: |
| 7758 | p++; |
| 7759 | return p; |
| 7760 | } |
| 7761 | |
| 7762 | #define cinp minp |
| 7763 | |
| 7764 | /* space exlcuding newline */ |
| 7765 | static inline int is_space(int ch) |
| 7766 | { |
| 7767 | return ch == ' ' || ch == '\t' || ch == '\v' || ch == '\f' || ch == '\r'; |
| 7768 | } |
| 7769 | |
| 7770 | static inline void skip_spaces(void) |
| 7771 | { |
| 7772 | while (is_space(ch)) |
| 7773 | cinp(); |
| 7774 | } |
| 7775 | |
| 7776 | /* parse a string without interpreting escapes */ |
| 7777 | static uint8_t *parse_pp_string(uint8_t *p, |
| 7778 | int sep, CString *str) |
| 7779 | { |
| 7780 | int c; |
| 7781 | p++; |
| 7782 | for(;;) { |
| 7783 | c = *p; |
| 7784 | if (c == sep) { |
| 7785 | break; |
| 7786 | } else if (c == '\\') { |
| 7787 | file->buf_ptr = p; |
| 7788 | c = handle_eob(); |
| 7789 | p = file->buf_ptr; |
| 7790 | if (c == CH_EOF) { |
| 7791 | unterminated_string: |
| 7792 | /* XXX: indicate line number of start of string */ |
| 7793 | error("missing terminating %c character", sep); |
| 7794 | } else if (c == '\\') { |
| 7795 | /* escape : just skip \[\r]\n */ |
| 7796 | PEEKC_EOB(c, p); |
| 7797 | if (c == '\n') { |
| 7798 | file->line_num++; |
| 7799 | p++; |
| 7800 | } else if (c == '\r') { |
| 7801 | PEEKC_EOB(c, p); |
| 7802 | if (c != '\n') |
| 7803 | expect("'\n' after '\r'"); |
| 7804 | file->line_num++; |
| 7805 | p++; |
| 7806 | } else if (c == CH_EOF) { |
| 7807 | goto unterminated_string; |
| 7808 | } else { |
| 7809 | if (str) { |
| 7810 | cstr_ccat(str, '\\'); |
| 7811 | cstr_ccat(str, c); |
| 7812 | } |
| 7813 | p++; |
| 7814 | } |
| 7815 | } |
| 7816 | } else if (c == '\n') { |
| 7817 | file->line_num++; |
| 7818 | goto add_char; |
| 7819 | } else if (c == '\r') { |
| 7820 | PEEKC_EOB(c, p); |
| 7821 | if (c != '\n') { |
| 7822 | if (str) |
| 7823 | cstr_ccat(str, '\r'); |
| 7824 | } else { |
| 7825 | file->line_num++; |
| 7826 | goto add_char; |
| 7827 | } |
| 7828 | } else { |
| 7829 | add_char: |
| 7830 | if (str) |
| 7831 | cstr_ccat(str, c); |
| 7832 | p++; |
| 7833 | } |
| 7834 | } |
| 7835 | p++; |
| 7836 | return p; |
| 7837 | } |
| 7838 | |
| 7839 | /* skip block of text until #else, #elif or #endif. skip also pairs of |
| 7840 | #if/#endif */ |
| 7841 | void preprocess_skip(void) |
| 7842 | { |
| 7843 | int a, start_of_line, c; |
| 7844 | uint8_t *p; |
| 7845 | |
| 7846 | p = file->buf_ptr; |
| 7847 | start_of_line = 1; |
| 7848 | a = 0; |
| 7849 | for(;;) { |
| 7850 | redo_no_start: |
| 7851 | c = *p; |
| 7852 | switch(c) { |
| 7853 | case ' ': |
| 7854 | case '\t': |
| 7855 | case '\f': |
| 7856 | case '\v': |
| 7857 | case '\r': |
| 7858 | p++; |
| 7859 | goto redo_no_start; |
| 7860 | case '\n': |
| 7861 | start_of_line = 1; |
| 7862 | file->line_num++; |
| 7863 | p++; |
| 7864 | goto redo_no_start; |
| 7865 | case '\\': |
| 7866 | file->buf_ptr = p; |
| 7867 | c = handle_eob(); |
| 7868 | if (c == CH_EOF) { |
| 7869 | expect("#endif"); |
| 7870 | } else if (c == '\\') { |
| 7871 | /* XXX: incorrect: should not give an error */ |
| 7872 | ch = file->buf_ptr[0]; |
| 7873 | handle_stray(); |
| 7874 | } |
| 7875 | p = file->buf_ptr; |
| 7876 | goto redo_no_start; |
| 7877 | /* skip strings */ |
| 7878 | case '\"': |
| 7879 | case '\'': |
| 7880 | p = parse_pp_string(p, c, NULL); |
| 7881 | break; |
| 7882 | /* skip comments */ |
| 7883 | case '/': |
| 7884 | file->buf_ptr = p; |
| 7885 | ch = *p; |
| 7886 | minp(); |
| 7887 | p = file->buf_ptr; |
| 7888 | if (ch == '*') { |
| 7889 | p = parse_comment(p); |
| 7890 | } else if (ch == '/') { |
| 7891 | p = parse_line_comment(p); |
| 7892 | } |
| 7893 | break; |
| 7894 | |
| 7895 | case '#': |
| 7896 | p++; |
| 7897 | if (start_of_line) { |
| 7898 | file->buf_ptr = p; |
| 7899 | next_nomacro(); |
| 7900 | p = file->buf_ptr; |
| 7901 | if (a == 0 && |
| 7902 | (tok == TOK_ELSE || tok == TOK_ELIF || tok == TOK_ENDIF)) |
| 7903 | goto the_end; |
| 7904 | if (tok == TOK_IF || tok == TOK_IFDEF || tok == TOK_IFNDEF) |
| 7905 | a++; |
| 7906 | else if (tok == TOK_ENDIF) |
| 7907 | a--; |
| 7908 | } |
| 7909 | break; |
| 7910 | default: |
| 7911 | p++; |
| 7912 | break; |
| 7913 | } |
| 7914 | start_of_line = 0; |
| 7915 | } |
| 7916 | the_end: ; |
| 7917 | file->buf_ptr = p; |
| 7918 | } |
| 7919 | |
| 7920 | /* ParseState handling */ |
| 7921 | |
| 7922 | /* XXX: currently, no include file info is stored. Thus, we cannot display |
| 7923 | accurate messages if the function or data definition spans multiple |
| 7924 | files */ |
| 7925 | |
| 7926 | /* save current parse state in 's' */ |
| 7927 | void save_parse_state(ParseState *s) |
| 7928 | { |
| 7929 | s->line_num = file->line_num; |
| 7930 | s->macro_ptr = macro_ptr; |
| 7931 | s->tok = tok; |
| 7932 | s->tokc = tokc; |
| 7933 | } |
| 7934 | |
| 7935 | /* restore parse state from 's' */ |
| 7936 | void restore_parse_state(ParseState *s) |
| 7937 | { |
| 7938 | file->line_num = s->line_num; |
| 7939 | macro_ptr = s->macro_ptr; |
| 7940 | tok = s->tok; |
| 7941 | tokc = s->tokc; |
| 7942 | } |
| 7943 | |
| 7944 | /* return the number of additional 'ints' necessary to store the |
| 7945 | token */ |
| 7946 | static inline int tok_ext_size(int t) |
| 7947 | { |
| 7948 | switch(t) { |
| 7949 | /* 4 bytes */ |
| 7950 | case TOK_CINT: |
| 7951 | case TOK_CUINT: |
| 7952 | case TOK_CCHAR: |
| 7953 | case TOK_LCHAR: |
| 7954 | case TOK_CFLOAT: |
| 7955 | case TOK_LINENUM: |
| 7956 | return 1; |
| 7957 | case TOK_STR: |
| 7958 | case TOK_LSTR: |
| 7959 | case TOK_PPNUM: |
| 7960 | error("unsupported token"); |
| 7961 | return 1; |
| 7962 | case TOK_CDOUBLE: |
| 7963 | case TOK_CLLONG: |
| 7964 | case TOK_CULLONG: |
| 7965 | return 2; |
| 7966 | case TOK_CLDOUBLE: |
| 7967 | return LDOUBLE_SIZE / 4; |
| 7968 | default: |
| 7969 | return 0; |
| 7970 | } |
| 7971 | } |
| 7972 | |
| 7973 | /* token string handling */ |
| 7974 | |
| 7975 | static inline void tok_str_new(TokenString *s) |
| 7976 | { |
| 7977 | s->str = NULL; |
| 7978 | s->len = 0; |
| 7979 | s->allocated_len = 0; |
| 7980 | s->last_line_num = -1; |
| 7981 | } |
| 7982 | |
| 7983 | static void tok_str_free(int *str) |
| 7984 | { |
| 7985 | tcc_free(str); |
| 7986 | } |
| 7987 | |
| 7988 | static int *tok_str_realloc(TokenString *s) |
| 7989 | { |
| 7990 | int *str, len; |
| 7991 | |
| 7992 | if (s->allocated_len == 0) { |
| 7993 | len = 8; |
| 7994 | } else { |
| 7995 | len = s->allocated_len * 2; |
| 7996 | } |
| 7997 | str = tcc_realloc(s->str, len * sizeof(int)); |
| 7998 | if (!str) |
| 7999 | error("memory full"); |
| 8000 | s->allocated_len = len; |
| 8001 | s->str = str; |
| 8002 | return str; |
| 8003 | } |
| 8004 | |
| 8005 | static void tok_str_add(TokenString *s, int t) |
| 8006 | { |
| 8007 | int len, *str; |
| 8008 | |
| 8009 | len = s->len; |
| 8010 | str = s->str; |
| 8011 | if (len >= s->allocated_len) |
| 8012 | str = tok_str_realloc(s); |
| 8013 | str[len++] = t; |
| 8014 | s->len = len; |
| 8015 | } |
| 8016 | |
| 8017 | static void tok_str_add2(TokenString *s, int t, CValue *cv) |
| 8018 | { |
| 8019 | int len, *str; |
| 8020 | |
| 8021 | len = s->len; |
| 8022 | str = s->str; |
| 8023 | |
| 8024 | /* allocate space for worst case */ |
| 8025 | if (len + TOK_MAX_SIZE > s->allocated_len) |
| 8026 | str = tok_str_realloc(s); |
| 8027 | str[len++] = t; |
| 8028 | switch(t) { |
| 8029 | case TOK_CINT: |
| 8030 | case TOK_CUINT: |
| 8031 | case TOK_CCHAR: |
| 8032 | case TOK_LCHAR: |
| 8033 | case TOK_CFLOAT: |
| 8034 | case TOK_LINENUM: |
| 8035 | str[len++] = cv->tab[0]; |
| 8036 | break; |
| 8037 | case TOK_PPNUM: |
| 8038 | case TOK_STR: |
| 8039 | case TOK_LSTR: |
| 8040 | { |
| 8041 | int nb_words; |
| 8042 | CString *cstr; |
| 8043 | |
| 8044 | nb_words = (sizeof(CString) + cv->cstr->size + 3) >> 2; |
| 8045 | while ((len + nb_words) > s->allocated_len) |
| 8046 | str = tok_str_realloc(s); |
| 8047 | cstr = (CString *)(str + len); |
| 8048 | cstr->data = NULL; |
| 8049 | cstr->size = cv->cstr->size; |
| 8050 | cstr->data_allocated = NULL; |
| 8051 | cstr->size_allocated = cstr->size; |
| 8052 | memcpy((char *)cstr + sizeof(CString), |
| 8053 | cv->cstr->data, cstr->size); |
| 8054 | len += nb_words; |
| 8055 | } |
| 8056 | break; |
| 8057 | case TOK_CDOUBLE: |
| 8058 | case TOK_CLLONG: |
| 8059 | case TOK_CULLONG: |
| 8060 | #if LDOUBLE_SIZE == 8 |
| 8061 | case TOK_CLDOUBLE: |
| 8062 | #endif |
| 8063 | str[len++] = cv->tab[0]; |
| 8064 | str[len++] = cv->tab[1]; |
| 8065 | break; |
| 8066 | #if LDOUBLE_SIZE == 12 |
| 8067 | case TOK_CLDOUBLE: |
| 8068 | str[len++] = cv->tab[0]; |
| 8069 | str[len++] = cv->tab[1]; |
| 8070 | str[len++] = cv->tab[2]; |
| 8071 | #elif LDOUBLE_SIZE != 8 |
| 8072 | #error add long double size support |
| 8073 | #endif |
| 8074 | break; |
| 8075 | default: |
| 8076 | break; |
| 8077 | } |
| 8078 | s->len = len; |
| 8079 | } |
| 8080 | |
| 8081 | /* add the current parse token in token string 's' */ |
| 8082 | static void tok_str_add_tok(TokenString *s) |
| 8083 | { |
| 8084 | CValue cval; |
| 8085 | |
| 8086 | /* save line number info */ |
| 8087 | if (file->line_num != s->last_line_num) { |
| 8088 | s->last_line_num = file->line_num; |
| 8089 | cval.i = s->last_line_num; |
| 8090 | tok_str_add2(s, TOK_LINENUM, &cval); |
| 8091 | } |
| 8092 | tok_str_add2(s, tok, &tokc); |
| 8093 | } |
| 8094 | |
| 8095 | #if LDOUBLE_SIZE == 12 |
| 8096 | #define LDOUBLE_GET(p, cv) \ |
| 8097 | cv.tab[0] = p[0]; \ |
| 8098 | cv.tab[1] = p[1]; \ |
| 8099 | cv.tab[2] = p[2]; |
| 8100 | #elif LDOUBLE_SIZE == 8 |
| 8101 | #define LDOUBLE_GET(p, cv) \ |
| 8102 | cv.tab[0] = p[0]; \ |
| 8103 | cv.tab[1] = p[1]; |
| 8104 | #else |
| 8105 | #error add long double size support |
| 8106 | #endif |
| 8107 | |
| 8108 | |
| 8109 | /* get a token from an integer array and increment pointer |
| 8110 | accordingly. we code it as a macro to avoid pointer aliasing. */ |
| 8111 | #define TOK_GET(t, p, cv) \ |
| 8112 | { \ |
| 8113 | t = *p++; \ |
| 8114 | switch(t) { \ |
| 8115 | case TOK_CINT: \ |
| 8116 | case TOK_CUINT: \ |
| 8117 | case TOK_CCHAR: \ |
| 8118 | case TOK_LCHAR: \ |
| 8119 | case TOK_CFLOAT: \ |
| 8120 | case TOK_LINENUM: \ |
| 8121 | cv.tab[0] = *p++; \ |
| 8122 | break; \ |
| 8123 | case TOK_STR: \ |
| 8124 | case TOK_LSTR: \ |
| 8125 | case TOK_PPNUM: \ |
| 8126 | cv.cstr = (CString *)p; \ |
| 8127 | cv.cstr->data = (char *)p + sizeof(CString);\ |
| 8128 | p += (sizeof(CString) + cv.cstr->size + 3) >> 2;\ |
| 8129 | break; \ |
| 8130 | case TOK_CDOUBLE: \ |
| 8131 | case TOK_CLLONG: \ |
| 8132 | case TOK_CULLONG: \ |
| 8133 | cv.tab[0] = p[0]; \ |
| 8134 | cv.tab[1] = p[1]; \ |
| 8135 | p += 2; \ |
| 8136 | break; \ |
| 8137 | case TOK_CLDOUBLE: \ |
| 8138 | LDOUBLE_GET(p, cv); \ |
| 8139 | p += LDOUBLE_SIZE / 4; \ |
| 8140 | break; \ |
| 8141 | default: \ |
| 8142 | break; \ |
| 8143 | } \ |
| 8144 | } |
| 8145 | |
| 8146 | /* defines handling */ |
| 8147 | static inline void define_push(int v, int macro_type, int *str, Sym *first_arg) |
| 8148 | { |
| 8149 | Sym *s; |
| 8150 | |
| 8151 | s = sym_push2(&define_stack, v, macro_type, (int)str); |
| 8152 | s->next = first_arg; |
| 8153 | table_ident[v - TOK_IDENT]->sym_define = s; |
| 8154 | } |
| 8155 | |
| 8156 | /* undefined a define symbol. Its name is just set to zero */ |
| 8157 | static void define_undef(Sym *s) |
| 8158 | { |
| 8159 | int v; |
| 8160 | v = s->v; |
| 8161 | if (v >= TOK_IDENT && v < tok_ident) |
| 8162 | table_ident[v - TOK_IDENT]->sym_define = NULL; |
| 8163 | s->v = 0; |
| 8164 | } |
| 8165 | |
| 8166 | static inline Sym *define_find(int v) |
| 8167 | { |
| 8168 | v -= TOK_IDENT; |
| 8169 | if ((unsigned)v >= (unsigned)(tok_ident - TOK_IDENT)) |
| 8170 | return NULL; |
| 8171 | return table_ident[v]->sym_define; |
| 8172 | } |
| 8173 | |
| 8174 | /* free define stack until top reaches 'b' */ |
| 8175 | static void free_defines(Sym *b) |
| 8176 | { |
| 8177 | Sym *top, *top1; |
| 8178 | int v; |
| 8179 | |
| 8180 | top = define_stack; |
| 8181 | while (top != b) { |
| 8182 | top1 = top->prev; |
| 8183 | /* do not free args or predefined defines */ |
| 8184 | if (top->c) |
| 8185 | tok_str_free((int *)top->c); |
| 8186 | v = top->v; |
| 8187 | if (v >= TOK_IDENT && v < tok_ident) |
| 8188 | table_ident[v - TOK_IDENT]->sym_define = NULL; |
| 8189 | sym_free(top); |
| 8190 | top = top1; |
| 8191 | } |
| 8192 | define_stack = b; |
| 8193 | } |
| 8194 | |
| 8195 | /* label lookup */ |
| 8196 | static Sym *label_find(int v) |
| 8197 | { |
| 8198 | v -= TOK_IDENT; |
| 8199 | if ((unsigned)v >= (unsigned)(tok_ident - TOK_IDENT)) |
| 8200 | return NULL; |
| 8201 | return table_ident[v]->sym_label; |
| 8202 | } |
| 8203 | |
| 8204 | static Sym *label_push(Sym **ptop, int v, int flags) |
| 8205 | { |
| 8206 | Sym *s, **ps; |
| 8207 | s = sym_push2(ptop, v, 0, 0); |
| 8208 | s->r = flags; |
| 8209 | ps = &table_ident[v - TOK_IDENT]->sym_label; |
| 8210 | if (ptop == &global_label_stack) { |
| 8211 | /* modify the top most local identifier, so that |
| 8212 | sym_identifier will point to 's' when popped */ |
| 8213 | while (*ps != NULL) |
| 8214 | ps = &(*ps)->prev_tok; |
| 8215 | } |
| 8216 | s->prev_tok = *ps; |
| 8217 | *ps = s; |
| 8218 | return s; |
| 8219 | } |
| 8220 | |
| 8221 | /* pop labels until element last is reached. Look if any labels are |
| 8222 | undefined. Define symbols if '&&label' was used. */ |
| 8223 | static void label_pop(Sym **ptop, Sym *slast) |
| 8224 | { |
| 8225 | Sym *s, *s1; |
| 8226 | for(s = *ptop; s != slast; s = s1) { |
| 8227 | s1 = s->prev; |
| 8228 | if (s->r == LABEL_DECLARED) { |
| 8229 | warning("label '%s' declared but not used", get_tok_str(s->v, NULL)); |
| 8230 | } else if (s->r == LABEL_FORWARD) { |
| 8231 | error("label '%s' used but not defined", |
| 8232 | get_tok_str(s->v, NULL)); |
| 8233 | } else { |
| 8234 | if (s->c) { |
| 8235 | /* define corresponding symbol. A size of |
| 8236 | 1 is put. */ |
| 8237 | put_extern_sym(s, cur_text_section, (long)s->next, 1); |
| 8238 | } |
| 8239 | } |
| 8240 | /* remove label */ |
| 8241 | table_ident[s->v - TOK_IDENT]->sym_label = s->prev_tok; |
| 8242 | sym_free(s); |
| 8243 | } |
| 8244 | *ptop = slast; |
| 8245 | } |
| 8246 | |
| 8247 | /* eval an expression for #if/#elif */ |
| 8248 | static int expr_preprocess(void) |
| 8249 | { |
| 8250 | int c, t; |
| 8251 | TokenString str; |
| 8252 | |
| 8253 | tok_str_new(&str); |
| 8254 | while (tok != TOK_LINEFEED && tok != TOK_EOF) { |
| 8255 | next(); /* do macro subst */ |
| 8256 | if (tok == TOK_DEFINED) { |
| 8257 | next_nomacro(); |
| 8258 | t = tok; |
| 8259 | if (t == '(') |
| 8260 | next_nomacro(); |
| 8261 | c = define_find(tok) != 0; |
| 8262 | if (t == '(') |
| 8263 | next_nomacro(); |
| 8264 | tok = TOK_CINT; |
| 8265 | tokc.i = c; |
| 8266 | } else if (tok >= TOK_IDENT) { |
| 8267 | /* if undefined macro */ |
| 8268 | tok = TOK_CINT; |
| 8269 | tokc.i = 0; |
| 8270 | } |
| 8271 | tok_str_add_tok(&str); |
| 8272 | } |
| 8273 | tok_str_add(&str, -1); /* simulate end of file */ |
| 8274 | tok_str_add(&str, 0); |
| 8275 | /* now evaluate C constant expression */ |
| 8276 | macro_ptr = str.str; |
| 8277 | next(); |
| 8278 | c = expr_const(); |
| 8279 | macro_ptr = NULL; |
| 8280 | tok_str_free(str.str); |
| 8281 | return c != 0; |
| 8282 | } |
| 8283 | |
| 8284 | #if defined(PARSE_DEBUG) || defined(PP_DEBUG) |
| 8285 | static void tok_print(int *str) |
| 8286 | { |
| 8287 | int t; |
| 8288 | CValue cval; |
| 8289 | |
| 8290 | while (1) { |
| 8291 | TOK_GET(t, str, cval); |
| 8292 | if (!t) |
| 8293 | break; |
| 8294 | printf(" %s", get_tok_str(t, &cval)); |
| 8295 | } |
| 8296 | printf("\n"); |
| 8297 | } |
| 8298 | #endif |
| 8299 | |
| 8300 | /* parse after #define */ |
| 8301 | static void parse_define(void) |
| 8302 | { |
| 8303 | Sym *s, *first, **ps; |
| 8304 | int v, t, varg, is_vaargs, c; |
| 8305 | TokenString str; |
| 8306 | |
| 8307 | v = tok; |
| 8308 | if (v < TOK_IDENT) |
| 8309 | error("invalid macro name '%s'", get_tok_str(tok, &tokc)); |
| 8310 | /* XXX: should check if same macro (ANSI) */ |
| 8311 | first = NULL; |
| 8312 | t = MACRO_OBJ; |
| 8313 | /* '(' must be just after macro definition for MACRO_FUNC */ |
| 8314 | c = file->buf_ptr[0]; |
| 8315 | if (c == '\\') |
| 8316 | c = handle_stray1(file->buf_ptr); |
| 8317 | if (c == '(') { |
| 8318 | next_nomacro(); |
| 8319 | next_nomacro(); |
| 8320 | ps = &first; |
| 8321 | while (tok != ')') { |
| 8322 | varg = tok; |
| 8323 | next_nomacro(); |
| 8324 | is_vaargs = 0; |
| 8325 | if (varg == TOK_DOTS) { |
| 8326 | varg = TOK___VA_ARGS__; |
| 8327 | is_vaargs = 1; |
| 8328 | } else if (tok == TOK_DOTS && gnu_ext) { |
| 8329 | is_vaargs = 1; |
| 8330 | next_nomacro(); |
| 8331 | } |
| 8332 | if (varg < TOK_IDENT) |
| 8333 | error("badly punctuated parameter list"); |
| 8334 | s = sym_push2(&define_stack, varg | SYM_FIELD, is_vaargs, 0); |
| 8335 | *ps = s; |
| 8336 | ps = &s->next; |
| 8337 | if (tok != ',') |
| 8338 | break; |
| 8339 | next_nomacro(); |
| 8340 | } |
| 8341 | t = MACRO_FUNC; |
| 8342 | } |
| 8343 | tok_str_new(&str); |
| 8344 | next_nomacro(); |
| 8345 | /* EOF testing necessary for '-D' handling */ |
| 8346 | while (tok != TOK_LINEFEED && tok != TOK_EOF) { |
| 8347 | tok_str_add2(&str, tok, &tokc); |
| 8348 | next_nomacro(); |
| 8349 | } |
| 8350 | tok_str_add(&str, 0); |
| 8351 | #ifdef PP_DEBUG |
| 8352 | printf("define %s %d: ", get_tok_str(v, NULL), t); |
| 8353 | tok_print(str.str); |
| 8354 | #endif |
| 8355 | define_push(v, t, str.str, first); |
| 8356 | } |
| 8357 | |
| 8358 | static inline int hash_cached_include(int type, const char *filename) |
| 8359 | { |
| 8360 | const unsigned char *s; |
| 8361 | unsigned int h; |
| 8362 | |
| 8363 | h = TOK_HASH_INIT; |
| 8364 | h = TOK_HASH_FUNC(h, type); |
| 8365 | s = filename; |
| 8366 | while (*s) { |
| 8367 | h = TOK_HASH_FUNC(h, *s); |
| 8368 | s++; |
| 8369 | } |
| 8370 | h &= (CACHED_INCLUDES_HASH_SIZE - 1); |
| 8371 | return h; |
| 8372 | } |
| 8373 | |
| 8374 | /* XXX: use a token or a hash table to accelerate matching ? */ |
| 8375 | static CachedInclude *search_cached_include(TCCState *s1, |
| 8376 | int type, const char *filename) |
| 8377 | { |
| 8378 | CachedInclude *e; |
| 8379 | int i, h; |
| 8380 | h = hash_cached_include(type, filename); |
| 8381 | i = s1->cached_includes_hash[h]; |
| 8382 | for(;;) { |
| 8383 | if (i == 0) |
| 8384 | break; |
| 8385 | e = s1->cached_includes[i - 1]; |
| 8386 | if (e->type == type && !strcmp(e->filename, filename)) |
| 8387 | return e; |
| 8388 | i = e->hash_next; |
| 8389 | } |
| 8390 | return NULL; |
| 8391 | } |
| 8392 | |
| 8393 | static inline void add_cached_include(TCCState *s1, int type, |
| 8394 | const char *filename, int ifndef_macro) |
| 8395 | { |
| 8396 | CachedInclude *e; |
| 8397 | int h; |
| 8398 | |
| 8399 | if (search_cached_include(s1, type, filename)) |
| 8400 | return; |
| 8401 | #ifdef INC_DEBUG |
| 8402 | printf("adding cached '%s' %s\n", filename, get_tok_str(ifndef_macro, NULL)); |
| 8403 | #endif |
| 8404 | e = tcc_malloc(sizeof(CachedInclude) + strlen(filename)); |
| 8405 | if (!e) |
| 8406 | return; |
| 8407 | e->type = type; |
| 8408 | strcpy(e->filename, filename); |
| 8409 | e->ifndef_macro = ifndef_macro; |
| 8410 | dynarray_add((void ***)&s1->cached_includes, &s1->nb_cached_includes, e); |
| 8411 | /* add in hash table */ |
| 8412 | h = hash_cached_include(type, filename); |
| 8413 | e->hash_next = s1->cached_includes_hash[h]; |
| 8414 | s1->cached_includes_hash[h] = s1->nb_cached_includes; |
| 8415 | } |
| 8416 | |
| 8417 | static void pragma_parse(TCCState *s1) |
| 8418 | { |
| 8419 | int val; |
| 8420 | |
| 8421 | next(); |
| 8422 | if (tok == TOK_pack) { |
| 8423 | /* |
| 8424 | This may be: |
| 8425 | #pragma pack(1) // set |
| 8426 | #pragma pack() // reset to default |
| 8427 | #pragma pack(push,1) // push & set |
| 8428 | #pragma pack(pop) // restore previous |
| 8429 | */ |
| 8430 | next(); |
| 8431 | skip('('); |
| 8432 | if (tok == TOK_ASM_pop) { |
| 8433 | next(); |
| 8434 | if (s1->pack_stack_ptr <= s1->pack_stack) { |
| 8435 | stk_error: |
| 8436 | error("out of pack stack"); |
| 8437 | } |
| 8438 | s1->pack_stack_ptr--; |
| 8439 | } else { |
| 8440 | val = 0; |
| 8441 | if (tok != ')') { |
| 8442 | if (tok == TOK_ASM_push) { |
| 8443 | next(); |
| 8444 | if (s1->pack_stack_ptr >= s1->pack_stack + PACK_STACK_SIZE - 1) |
| 8445 | goto stk_error; |
| 8446 | s1->pack_stack_ptr++; |
| 8447 | skip(','); |
| 8448 | } |
| 8449 | if (tok != TOK_CINT) { |
| 8450 | pack_error: |
| 8451 | error("invalid pack pragma"); |
| 8452 | } |
| 8453 | val = tokc.i; |
| 8454 | if (val < 1 || val > 16 || (val & (val - 1)) != 0) |
| 8455 | goto pack_error; |
| 8456 | next(); |
| 8457 | } |
| 8458 | *s1->pack_stack_ptr = val; |
| 8459 | skip(')'); |
| 8460 | } |
| 8461 | } |
| 8462 | } |
| 8463 | |
| 8464 | /* is_bof is true if first non space token at beginning of file */ |
| 8465 | static void preprocess(int is_bof) |
| 8466 | { |
| 8467 | TCCState *s1 = tcc_state; |
| 8468 | int size, i, c, n, saved_parse_flags; |
| 8469 | char buf[1024], *q, *p; |
| 8470 | char buf1[1024]; |
| 8471 | BufferedFile *f; |
| 8472 | Sym *s; |
| 8473 | CachedInclude *e; |
| 8474 | |
| 8475 | saved_parse_flags = parse_flags; |
| 8476 | parse_flags = PARSE_FLAG_PREPROCESS | PARSE_FLAG_TOK_NUM | |
| 8477 | PARSE_FLAG_LINEFEED; |
| 8478 | next_nomacro(); |
| 8479 | redo: |
| 8480 | switch(tok) { |
| 8481 | case TOK_DEFINE: |
| 8482 | next_nomacro(); |
| 8483 | parse_define(); |
| 8484 | break; |
| 8485 | case TOK_UNDEF: |
| 8486 | next_nomacro(); |
| 8487 | s = define_find(tok); |
| 8488 | /* undefine symbol by putting an invalid name */ |
| 8489 | if (s) |
| 8490 | define_undef(s); |
| 8491 | break; |
| 8492 | case TOK_INCLUDE: |
| 8493 | case TOK_INCLUDE_NEXT: |
| 8494 | ch = file->buf_ptr[0]; |
| 8495 | /* XXX: incorrect if comments : use next_nomacro with a special mode */ |
| 8496 | skip_spaces(); |
| 8497 | if (ch == '<') { |
| 8498 | c = '>'; |
| 8499 | goto read_name; |
| 8500 | } else if (ch == '\"') { |
| 8501 | c = ch; |
| 8502 | read_name: |
| 8503 | /* XXX: better stray handling */ |
| 8504 | minp(); |
| 8505 | q = buf; |
| 8506 | while (ch != c && ch != '\n' && ch != CH_EOF) { |
| 8507 | if ((q - buf) < sizeof(buf) - 1) |
| 8508 | *q++ = ch; |
| 8509 | minp(); |
| 8510 | } |
| 8511 | *q = '\0'; |
| 8512 | minp(); |
| 8513 | #if 0 |
| 8514 | /* eat all spaces and comments after include */ |
| 8515 | /* XXX: slightly incorrect */ |
| 8516 | while (ch1 != '\n' && ch1 != CH_EOF) |
| 8517 | inp(); |
| 8518 | #endif |
| 8519 | } else { |
| 8520 | /* computed #include : either we have only strings or |
| 8521 | we have anything enclosed in '<>' */ |
| 8522 | next(); |
| 8523 | buf[0] = '\0'; |
| 8524 | if (tok == TOK_STR) { |
| 8525 | while (tok != TOK_LINEFEED) { |
| 8526 | if (tok != TOK_STR) { |
| 8527 | include_syntax: |
| 8528 | error("'#include' expects \"FILENAME\" or <FILENAME>"); |
| 8529 | } |
| 8530 | pstrcat(buf, sizeof(buf), (char *)tokc.cstr->data); |
| 8531 | next(); |
| 8532 | } |
| 8533 | c = '\"'; |
| 8534 | } else { |
| 8535 | int len; |
| 8536 | while (tok != TOK_LINEFEED) { |
| 8537 | pstrcat(buf, sizeof(buf), get_tok_str(tok, &tokc)); |
| 8538 | next(); |
| 8539 | } |
| 8540 | len = strlen(buf); |
| 8541 | /* check syntax and remove '<>' */ |
| 8542 | if (len < 2 || buf[0] != '<' || buf[len - 1] != '>') |
| 8543 | goto include_syntax; |
| 8544 | memmove(buf, buf + 1, len - 2); |
| 8545 | buf[len - 2] = '\0'; |
| 8546 | c = '>'; |
| 8547 | } |
| 8548 | } |
| 8549 | |
| 8550 | e = search_cached_include(s1, c, buf); |
| 8551 | if (e && define_find(e->ifndef_macro)) { |
| 8552 | /* no need to parse the include because the 'ifndef macro' |
| 8553 | is defined */ |
| 8554 | #ifdef INC_DEBUG |
| 8555 | printf("%s: skipping %s\n", file->filename, buf); |
| 8556 | #endif |
| 8557 | } else { |
| 8558 | if (c == '\"') { |
| 8559 | /* first search in current dir if "header.h" */ |
| 8560 | size = 0; |
| 8561 | p = strrchr(file->filename, '/'); |
| 8562 | if (p) |
| 8563 | size = p + 1 - file->filename; |
| 8564 | if (size > sizeof(buf1) - 1) |
| 8565 | size = sizeof(buf1) - 1; |
| 8566 | memcpy(buf1, file->filename, size); |
| 8567 | buf1[size] = '\0'; |
| 8568 | pstrcat(buf1, sizeof(buf1), buf); |
| 8569 | f = tcc_open(s1, buf1); |
| 8570 | if (f) { |
| 8571 | if (tok == TOK_INCLUDE_NEXT) |
| 8572 | tok = TOK_INCLUDE; |
| 8573 | else |
| 8574 | goto found; |
| 8575 | } |
| 8576 | } |
| 8577 | if (s1->include_stack_ptr >= s1->include_stack + INCLUDE_STACK_SIZE) |
| 8578 | error("#include recursion too deep"); |
| 8579 | /* now search in all the include paths */ |
| 8580 | n = s1->nb_include_paths + s1->nb_sysinclude_paths; |
| 8581 | for(i = 0; i < n; i++) { |
| 8582 | const char *path; |
| 8583 | if (i < s1->nb_include_paths) |
| 8584 | path = s1->include_paths[i]; |
| 8585 | else |
| 8586 | path = s1->sysinclude_paths[i - s1->nb_include_paths]; |
| 8587 | pstrcpy(buf1, sizeof(buf1), path); |
| 8588 | pstrcat(buf1, sizeof(buf1), "/"); |
| 8589 | pstrcat(buf1, sizeof(buf1), buf); |
| 8590 | f = tcc_open(s1, buf1); |
| 8591 | if (f) { |
| 8592 | if (tok == TOK_INCLUDE_NEXT) |
| 8593 | tok = TOK_INCLUDE; |
| 8594 | else |
| 8595 | goto found; |
| 8596 | } |
| 8597 | } |
| 8598 | error("include file '%s' not found", buf); |
| 8599 | f = NULL; |
| 8600 | found: |
| 8601 | #ifdef INC_DEBUG |
| 8602 | printf("%s: including %s\n", file->filename, buf1); |
| 8603 | #endif |
| 8604 | f->inc_type = c; |
| 8605 | pstrcpy(f->inc_filename, sizeof(f->inc_filename), buf); |
| 8606 | /* push current file in stack */ |
| 8607 | /* XXX: fix current line init */ |
| 8608 | *s1->include_stack_ptr++ = file; |
| 8609 | file = f; |
| 8610 | /* add include file debug info */ |
| 8611 | if (do_debug) { |
| 8612 | put_stabs(file->filename, N_BINCL, 0, 0, 0); |
| 8613 | } |
| 8614 | tok_flags |= TOK_FLAG_BOF | TOK_FLAG_BOL; |
| 8615 | ch = file->buf_ptr[0]; |
| 8616 | goto the_end; |
| 8617 | } |
| 8618 | break; |
| 8619 | case TOK_IFNDEF: |
| 8620 | c = 1; |
| 8621 | goto do_ifdef; |
| 8622 | case TOK_IF: |
| 8623 | c = expr_preprocess(); |
| 8624 | goto do_if; |
| 8625 | case TOK_IFDEF: |
| 8626 | c = 0; |
| 8627 | do_ifdef: |
| 8628 | next_nomacro(); |
| 8629 | if (tok < TOK_IDENT) |
| 8630 | error("invalid argument for '#if%sdef'", c ? "n" : ""); |
| 8631 | if (is_bof) { |
| 8632 | if (c) { |
| 8633 | #ifdef INC_DEBUG |
| 8634 | printf("#ifndef %s\n", get_tok_str(tok, NULL)); |
| 8635 | #endif |
| 8636 | file->ifndef_macro = tok; |
| 8637 | } |
| 8638 | } |
| 8639 | c = (define_find(tok) != 0) ^ c; |
| 8640 | do_if: |
| 8641 | if (s1->ifdef_stack_ptr >= s1->ifdef_stack + IFDEF_STACK_SIZE) |
| 8642 | error("memory full"); |
| 8643 | *s1->ifdef_stack_ptr++ = c; |
| 8644 | goto test_skip; |
| 8645 | case TOK_ELSE: |
| 8646 | if (s1->ifdef_stack_ptr == s1->ifdef_stack) |
| 8647 | error("#else without matching #if"); |
| 8648 | if (s1->ifdef_stack_ptr[-1] & 2) |
| 8649 | error("#else after #else"); |
| 8650 | c = (s1->ifdef_stack_ptr[-1] ^= 3); |
| 8651 | goto test_skip; |
| 8652 | case TOK_ELIF: |
| 8653 | if (s1->ifdef_stack_ptr == s1->ifdef_stack) |
| 8654 | error("#elif without matching #if"); |
| 8655 | c = s1->ifdef_stack_ptr[-1]; |
| 8656 | if (c > 1) |
| 8657 | error("#elif after #else"); |
| 8658 | /* last #if/#elif expression was true: we skip */ |
| 8659 | if (c == 1) |
| 8660 | goto skip; |
| 8661 | c = expr_preprocess(); |
| 8662 | s1->ifdef_stack_ptr[-1] = c; |
| 8663 | test_skip: |
| 8664 | if (!(c & 1)) { |
| 8665 | skip: |
| 8666 | preprocess_skip(); |
| 8667 | is_bof = 0; |
| 8668 | goto redo; |
| 8669 | } |
| 8670 | break; |
| 8671 | case TOK_ENDIF: |
| 8672 | if (s1->ifdef_stack_ptr <= file->ifdef_stack_ptr) |
| 8673 | error("#endif without matching #if"); |
| 8674 | s1->ifdef_stack_ptr--; |
| 8675 | /* '#ifndef macro' was at the start of file. Now we check if |
| 8676 | an '#endif' is exactly at the end of file */ |
| 8677 | if (file->ifndef_macro && |
| 8678 | s1->ifdef_stack_ptr == file->ifdef_stack_ptr) { |
| 8679 | file->ifndef_macro_saved = file->ifndef_macro; |
| 8680 | /* need to set to zero to avoid false matches if another |
| 8681 | #ifndef at middle of file */ |
| 8682 | file->ifndef_macro = 0; |
| 8683 | while (tok != TOK_LINEFEED) |
| 8684 | next_nomacro(); |
| 8685 | tok_flags |= TOK_FLAG_ENDIF; |
| 8686 | goto the_end; |
| 8687 | } |
| 8688 | break; |
| 8689 | case TOK_LINE: |
| 8690 | next(); |
| 8691 | if (tok != TOK_CINT) |
| 8692 | error("#line"); |
| 8693 | file->line_num = tokc.i - 1; /* the line number will be incremented after */ |
| 8694 | next(); |
| 8695 | if (tok != TOK_LINEFEED) { |
| 8696 | if (tok != TOK_STR) |
| 8697 | error("#line"); |
| 8698 | pstrcpy(file->filename, sizeof(file->filename), |
| 8699 | (char *)tokc.cstr->data); |
| 8700 | } |
| 8701 | break; |
| 8702 | case TOK_ERROR: |
| 8703 | case TOK_WARNING: |
| 8704 | c = tok; |
| 8705 | ch = file->buf_ptr[0]; |
| 8706 | skip_spaces(); |
| 8707 | q = buf; |
| 8708 | while (ch != '\n' && ch != CH_EOF) { |
| 8709 | if ((q - buf) < sizeof(buf) - 1) |
| 8710 | *q++ = ch; |
| 8711 | minp(); |
| 8712 | } |
| 8713 | *q = '\0'; |
| 8714 | if (c == TOK_ERROR) |
| 8715 | error("#error %s", buf); |
| 8716 | else |
| 8717 | warning("#warning %s", buf); |
| 8718 | break; |
| 8719 | case TOK_PRAGMA: |
| 8720 | pragma_parse(s1); |
| 8721 | break; |
| 8722 | default: |
| 8723 | if (tok == TOK_LINEFEED || tok == '!' || tok == TOK_CINT) { |
| 8724 | /* '!' is ignored to allow C scripts. numbers are ignored |
| 8725 | to emulate cpp behaviour */ |
| 8726 | } else { |
| 8727 | if (!(saved_parse_flags & PARSE_FLAG_ASM_COMMENTS)) |
| 8728 | error("invalid preprocessing directive #%s", get_tok_str(tok, &tokc)); |
| 8729 | } |
| 8730 | break; |
| 8731 | } |
| 8732 | /* ignore other preprocess commands or #! for C scripts */ |
| 8733 | while (tok != TOK_LINEFEED) |
| 8734 | next_nomacro(); |
| 8735 | the_end: |
| 8736 | parse_flags = saved_parse_flags; |
| 8737 | } |
| 8738 | |
| 8739 | /* evaluate escape codes in a string. */ |
| 8740 | static void parse_escape_string(CString *outstr, const uint8_t *buf, int is_long) |
| 8741 | { |
| 8742 | int c, n; |
| 8743 | const uint8_t *p; |
| 8744 | |
| 8745 | p = buf; |
| 8746 | for(;;) { |
| 8747 | c = *p; |
| 8748 | if (c == '\0') |
| 8749 | break; |
| 8750 | if (c == '\\') { |
| 8751 | p++; |
| 8752 | /* escape */ |
| 8753 | c = *p; |
| 8754 | switch(c) { |
| 8755 | case '0': case '1': case '2': case '3': |
| 8756 | case '4': case '5': case '6': case '7': |
| 8757 | /* at most three octal digits */ |
| 8758 | n = c - '0'; |
| 8759 | p++; |
| 8760 | c = *p; |
| 8761 | if (isoct(c)) { |
| 8762 | n = n * 8 + c - '0'; |
| 8763 | p++; |
| 8764 | c = *p; |
| 8765 | if (isoct(c)) { |
| 8766 | n = n * 8 + c - '0'; |
| 8767 | p++; |
| 8768 | } |
| 8769 | } |
| 8770 | c = n; |
| 8771 | goto add_char_nonext; |
| 8772 | case 'x': |
| 8773 | p++; |
| 8774 | n = 0; |
| 8775 | for(;;) { |
| 8776 | c = *p; |
| 8777 | if (c >= 'a' && c <= 'f') |
| 8778 | c = c - 'a' + 10; |
| 8779 | else if (c >= 'A' && c <= 'F') |
| 8780 | c = c - 'A' + 10; |
| 8781 | else if (isnum(c)) |
| 8782 | c = c - '0'; |
| 8783 | else |
| 8784 | break; |
| 8785 | n = n * 16 + c; |
| 8786 | p++; |
| 8787 | } |
| 8788 | c = n; |
| 8789 | goto add_char_nonext; |
| 8790 | case 'a': |
| 8791 | c = '\a'; |
| 8792 | break; |
| 8793 | case 'b': |
| 8794 | c = '\b'; |
| 8795 | break; |
| 8796 | case 'f': |
| 8797 | c = '\f'; |
| 8798 | break; |
| 8799 | case 'n': |
| 8800 | c = '\n'; |
| 8801 | break; |
| 8802 | case 'r': |
| 8803 | c = '\r'; |
| 8804 | break; |
| 8805 | case 't': |
| 8806 | c = '\t'; |
| 8807 | break; |
| 8808 | case 'v': |
| 8809 | c = '\v'; |
| 8810 | break; |
| 8811 | case 'e': |
| 8812 | if (!gnu_ext) |
| 8813 | goto invalid_escape; |
| 8814 | c = 27; |
| 8815 | break; |
| 8816 | case '\'': |
| 8817 | case '\"': |
| 8818 | case '\\': |
| 8819 | case '?': |
| 8820 | break; |
| 8821 | default: |
| 8822 | invalid_escape: |
| 8823 | if (c >= '!' && c <= '~') |
| 8824 | warning("unknown escape sequence: \'\\%c\'", c); |
| 8825 | else |
| 8826 | warning("unknown escape sequence: \'\\x%x\'", c); |
| 8827 | break; |
| 8828 | } |
| 8829 | } |
| 8830 | p++; |
| 8831 | add_char_nonext: |
| 8832 | if (!is_long) |
| 8833 | cstr_ccat(outstr, c); |
| 8834 | else |
| 8835 | cstr_wccat(outstr, c); |
| 8836 | } |
| 8837 | /* add a trailing '\0' */ |
| 8838 | if (!is_long) |
| 8839 | cstr_ccat(outstr, '\0'); |
| 8840 | else |
| 8841 | cstr_wccat(outstr, '\0'); |
| 8842 | } |
| 8843 | |
| 8844 | /* we use 64 bit numbers */ |
| 8845 | #define BN_SIZE 2 |
| 8846 | |
| 8847 | /* bn = (bn << shift) | or_val */ |
| 8848 | void bn_lshift(unsigned int *bn, int shift, int or_val) |
| 8849 | { |
| 8850 | int i; |
| 8851 | unsigned int v; |
| 8852 | for(i=0;i<BN_SIZE;i++) { |
| 8853 | v = bn[i]; |
| 8854 | bn[i] = (v << shift) | or_val; |
| 8855 | or_val = v >> (32 - shift); |
| 8856 | } |
| 8857 | } |
| 8858 | |
| 8859 | void bn_zero(unsigned int *bn) |
| 8860 | { |
| 8861 | int i; |
| 8862 | for(i=0;i<BN_SIZE;i++) { |
| 8863 | bn[i] = 0; |
| 8864 | } |
| 8865 | } |
| 8866 | |
| 8867 | /* parse number in null terminated string 'p' and return it in the |
| 8868 | current token */ |
| 8869 | void parse_number(const char *p) |
| 8870 | { |
| 8871 | int b, t, shift, frac_bits, s, exp_val, ch; |
| 8872 | char *q; |
| 8873 | unsigned int bn[BN_SIZE]; |
| 8874 | double d; |
| 8875 | |
| 8876 | /* number */ |
| 8877 | q = token_buf; |
| 8878 | ch = *p++; |
| 8879 | t = ch; |
| 8880 | ch = *p++; |
| 8881 | *q++ = t; |
| 8882 | b = 10; |
| 8883 | if (t == '.') { |
| 8884 | goto float_frac_parse; |
| 8885 | } else if (t == '0') { |
| 8886 | if (ch == 'x' || ch == 'X') { |
| 8887 | q--; |
| 8888 | ch = *p++; |
| 8889 | b = 16; |
| 8890 | } else if (tcc_ext && (ch == 'b' || ch == 'B')) { |
| 8891 | q--; |
| 8892 | ch = *p++; |
| 8893 | b = 2; |
| 8894 | } |
| 8895 | } |
| 8896 | /* parse all digits. cannot check octal numbers at this stage |
| 8897 | because of floating point constants */ |
| 8898 | while (1) { |
| 8899 | if (ch >= 'a' && ch <= 'f') |
| 8900 | t = ch - 'a' + 10; |
| 8901 | else if (ch >= 'A' && ch <= 'F') |
| 8902 | t = ch - 'A' + 10; |
| 8903 | else if (isnum(ch)) |
| 8904 | t = ch - '0'; |
| 8905 | else |
| 8906 | break; |
| 8907 | if (t >= b) |
| 8908 | break; |
| 8909 | if (q >= token_buf + STRING_MAX_SIZE) { |
| 8910 | num_too_long: |
| 8911 | error("number too long"); |
| 8912 | } |
| 8913 | *q++ = ch; |
| 8914 | ch = *p++; |
| 8915 | } |
| 8916 | if (ch == '.' || |
| 8917 | ((ch == 'e' || ch == 'E') && b == 10) || |
| 8918 | ((ch == 'p' || ch == 'P') && (b == 16 || b == 2))) { |
| 8919 | if (b != 10) { |
| 8920 | /* NOTE: strtox should support that for hexa numbers, but |
| 8921 | non ISOC99 libcs do not support it, so we prefer to do |
| 8922 | it by hand */ |
| 8923 | /* hexadecimal or binary floats */ |
| 8924 | /* XXX: handle overflows */ |
| 8925 | *q = '\0'; |
| 8926 | if (b == 16) |
| 8927 | shift = 4; |
| 8928 | else |
| 8929 | shift = 2; |
| 8930 | bn_zero(bn); |
| 8931 | q = token_buf; |
| 8932 | while (1) { |
| 8933 | t = *q++; |
| 8934 | if (t == '\0') { |
| 8935 | break; |
| 8936 | } else if (t >= 'a') { |
| 8937 | t = t - 'a' + 10; |
| 8938 | } else if (t >= 'A') { |
| 8939 | t = t - 'A' + 10; |
| 8940 | } else { |
| 8941 | t = t - '0'; |
| 8942 | } |
| 8943 | bn_lshift(bn, shift, t); |
| 8944 | } |
| 8945 | frac_bits = 0; |
| 8946 | if (ch == '.') { |
| 8947 | ch = *p++; |
| 8948 | while (1) { |
| 8949 | t = ch; |
| 8950 | if (t >= 'a' && t <= 'f') { |
| 8951 | t = t - 'a' + 10; |
| 8952 | } else if (t >= 'A' && t <= 'F') { |
| 8953 | t = t - 'A' + 10; |
| 8954 | } else if (t >= '0' && t <= '9') { |
| 8955 | t = t - '0'; |
| 8956 | } else { |
| 8957 | break; |
| 8958 | } |
| 8959 | if (t >= b) |
| 8960 | error("invalid digit"); |
| 8961 | bn_lshift(bn, shift, t); |
| 8962 | frac_bits += shift; |
| 8963 | ch = *p++; |
| 8964 | } |
| 8965 | } |
| 8966 | if (ch != 'p' && ch != 'P') |
| 8967 | expect("exponent"); |
| 8968 | ch = *p++; |
| 8969 | s = 1; |
| 8970 | exp_val = 0; |
| 8971 | if (ch == '+') { |
| 8972 | ch = *p++; |
| 8973 | } else if (ch == '-') { |
| 8974 | s = -1; |
| 8975 | ch = *p++; |
| 8976 | } |
| 8977 | if (ch < '0' || ch > '9') |
| 8978 | expect("exponent digits"); |
| 8979 | while (ch >= '0' && ch <= '9') { |
| 8980 | exp_val = exp_val * 10 + ch - '0'; |
| 8981 | ch = *p++; |
| 8982 | } |
| 8983 | exp_val = exp_val * s; |
| 8984 | |
| 8985 | /* now we can generate the number */ |
| 8986 | /* XXX: should patch directly float number */ |
| 8987 | d = (double)bn[1] * 4294967296.0 + (double)bn[0]; |
| 8988 | d = ldexp(d, exp_val - frac_bits); |
| 8989 | t = toup(ch); |
| 8990 | if (t == 'F') { |
| 8991 | ch = *p++; |
| 8992 | tok = TOK_CFLOAT; |
| 8993 | /* float : should handle overflow */ |
| 8994 | tokc.f = (float)d; |
| 8995 | } else if (t == 'L') { |
| 8996 | ch = *p++; |
| 8997 | tok = TOK_CLDOUBLE; |
| 8998 | /* XXX: not large enough */ |
| 8999 | tokc.ld = (long double)d; |
| 9000 | } else { |
| 9001 | tok = TOK_CDOUBLE; |
| 9002 | tokc.d = d; |
| 9003 | } |
| 9004 | } else { |
| 9005 | /* decimal floats */ |
| 9006 | if (ch == '.') { |
| 9007 | if (q >= token_buf + STRING_MAX_SIZE) |
| 9008 | goto num_too_long; |
| 9009 | *q++ = ch; |
| 9010 | ch = *p++; |
| 9011 | float_frac_parse: |
| 9012 | while (ch >= '0' && ch <= '9') { |
| 9013 | if (q >= token_buf + STRING_MAX_SIZE) |
| 9014 | goto num_too_long; |
| 9015 | *q++ = ch; |
| 9016 | ch = *p++; |
| 9017 | } |
| 9018 | } |
| 9019 | if (ch == 'e' || ch == 'E') { |
| 9020 | if (q >= token_buf + STRING_MAX_SIZE) |
| 9021 | goto num_too_long; |
| 9022 | *q++ = ch; |
| 9023 | ch = *p++; |
| 9024 | if (ch == '-' || ch == '+') { |
| 9025 | if (q >= token_buf + STRING_MAX_SIZE) |
| 9026 | goto num_too_long; |
| 9027 | *q++ = ch; |
| 9028 | ch = *p++; |
| 9029 | } |
| 9030 | if (ch < '0' || ch > '9') |
| 9031 | expect("exponent digits"); |
| 9032 | while (ch >= '0' && ch <= '9') { |
| 9033 | if (q >= token_buf + STRING_MAX_SIZE) |
| 9034 | goto num_too_long; |
| 9035 | *q++ = ch; |
| 9036 | ch = *p++; |
| 9037 | } |
| 9038 | } |
| 9039 | *q = '\0'; |
| 9040 | t = toup(ch); |
| 9041 | errno = 0; |
| 9042 | if (t == 'F') { |
| 9043 | ch = *p++; |
| 9044 | tok = TOK_CFLOAT; |
| 9045 | tokc.f = strtof(token_buf, NULL); |
| 9046 | } else if (t == 'L') { |
| 9047 | ch = *p++; |
| 9048 | tok = TOK_CLDOUBLE; |
| 9049 | tokc.ld = strtold(token_buf, NULL); |
| 9050 | } else { |
| 9051 | tok = TOK_CDOUBLE; |
| 9052 | tokc.d = strtod(token_buf, NULL); |
| 9053 | } |
| 9054 | } |
| 9055 | } else { |
| 9056 | unsigned long long n, n1; |
| 9057 | int lcount, ucount; |
| 9058 | |
| 9059 | /* integer number */ |
| 9060 | *q = '\0'; |
| 9061 | q = token_buf; |
| 9062 | if (b == 10 && *q == '0') { |
| 9063 | b = 8; |
| 9064 | q++; |
| 9065 | } |
| 9066 | n = 0; |
| 9067 | while(1) { |
| 9068 | t = *q++; |
| 9069 | /* no need for checks except for base 10 / 8 errors */ |
| 9070 | if (t == '\0') { |
| 9071 | break; |
| 9072 | } else if (t >= 'a') { |
| 9073 | t = t - 'a' + 10; |
| 9074 | } else if (t >= 'A') { |
| 9075 | t = t - 'A' + 10; |
| 9076 | } else { |
| 9077 | t = t - '0'; |
| 9078 | if (t >= b) |
| 9079 | error("invalid digit"); |
| 9080 | } |
| 9081 | n1 = n; |
| 9082 | n = n * b + t; |
| 9083 | /* detect overflow */ |
| 9084 | /* XXX: this test is not reliable */ |
| 9085 | if (n < n1) |
| 9086 | error("integer constant overflow"); |
| 9087 | } |
| 9088 | |
| 9089 | /* XXX: not exactly ANSI compliant */ |
| 9090 | if ((n & 0xffffffff00000000LL) != 0) { |
| 9091 | if ((n >> 63) != 0) |
| 9092 | tok = TOK_CULLONG; |
| 9093 | else |
| 9094 | tok = TOK_CLLONG; |
| 9095 | } else if (n > 0x7fffffff) { |
| 9096 | tok = TOK_CUINT; |
| 9097 | } else { |
| 9098 | tok = TOK_CINT; |
| 9099 | } |
| 9100 | lcount = 0; |
| 9101 | ucount = 0; |
| 9102 | for(;;) { |
| 9103 | t = toup(ch); |
| 9104 | if (t == 'L') { |
| 9105 | if (lcount >= 2) |
| 9106 | error("three 'l's in integer constant"); |
| 9107 | lcount++; |
| 9108 | if (lcount == 2) { |
| 9109 | if (tok == TOK_CINT) |
| 9110 | tok = TOK_CLLONG; |
| 9111 | else if (tok == TOK_CUINT) |
| 9112 | tok = TOK_CULLONG; |
| 9113 | } |
| 9114 | ch = *p++; |
| 9115 | } else if (t == 'U') { |
| 9116 | if (ucount >= 1) |
| 9117 | error("two 'u's in integer constant"); |
| 9118 | ucount++; |
| 9119 | if (tok == TOK_CINT) |
| 9120 | tok = TOK_CUINT; |
| 9121 | else if (tok == TOK_CLLONG) |
| 9122 | tok = TOK_CULLONG; |
| 9123 | ch = *p++; |
| 9124 | } else { |
| 9125 | break; |
| 9126 | } |
| 9127 | } |
| 9128 | if (tok == TOK_CINT || tok == TOK_CUINT) |
| 9129 | tokc.ui = n; |
| 9130 | else |
| 9131 | tokc.ull = n; |
| 9132 | } |
| 9133 | } |
| 9134 | |
| 9135 | |
| 9136 | #define PARSE2(c1, tok1, c2, tok2) \ |
| 9137 | case c1: \ |
| 9138 | PEEKC(c, p); \ |
| 9139 | if (c == c2) { \ |
| 9140 | p++; \ |
| 9141 | tok = tok2; \ |
| 9142 | } else { \ |
| 9143 | tok = tok1; \ |
| 9144 | } \ |
| 9145 | break; |
| 9146 | |
| 9147 | /* return next token without macro substitution */ |
njn | a30bec8 | 2006-03-30 10:26:44 +0000 | [diff] [blame] | 9148 | static /*inline*/ void next_nomacro1(void) |
njn | 99c8558 | 2005-12-20 23:02:43 +0000 | [diff] [blame] | 9149 | { |
| 9150 | int t, c, is_long; |
| 9151 | TokenSym *ts; |
| 9152 | uint8_t *p, *p1; |
| 9153 | unsigned int h; |
| 9154 | |
| 9155 | p = file->buf_ptr; |
| 9156 | redo_no_start: |
| 9157 | c = *p; |
| 9158 | switch(c) { |
| 9159 | case ' ': |
| 9160 | case '\t': |
| 9161 | case '\f': |
| 9162 | case '\v': |
| 9163 | case '\r': |
| 9164 | p++; |
| 9165 | goto redo_no_start; |
| 9166 | |
| 9167 | case '\\': |
| 9168 | /* first look if it is in fact an end of buffer */ |
| 9169 | if (p >= file->buf_end) { |
| 9170 | file->buf_ptr = p; |
| 9171 | handle_eob(); |
| 9172 | p = file->buf_ptr; |
| 9173 | if (p >= file->buf_end) |
| 9174 | goto parse_eof; |
| 9175 | else |
| 9176 | goto redo_no_start; |
| 9177 | } else { |
| 9178 | file->buf_ptr = p; |
| 9179 | ch = *p; |
| 9180 | handle_stray(); |
| 9181 | p = file->buf_ptr; |
| 9182 | goto redo_no_start; |
| 9183 | } |
| 9184 | parse_eof: |
| 9185 | { |
| 9186 | TCCState *s1 = tcc_state; |
| 9187 | if (parse_flags & PARSE_FLAG_LINEFEED) { |
| 9188 | tok = TOK_LINEFEED; |
| 9189 | } else if (s1->include_stack_ptr == s1->include_stack || |
| 9190 | !(parse_flags & PARSE_FLAG_PREPROCESS)) { |
| 9191 | /* no include left : end of file. */ |
| 9192 | tok = TOK_EOF; |
| 9193 | } else { |
| 9194 | /* pop include file */ |
| 9195 | |
| 9196 | /* test if previous '#endif' was after a #ifdef at |
| 9197 | start of file */ |
| 9198 | if (tok_flags & TOK_FLAG_ENDIF) { |
| 9199 | #ifdef INC_DEBUG |
| 9200 | printf("#endif %s\n", get_tok_str(file->ifndef_macro_saved, NULL)); |
| 9201 | #endif |
| 9202 | add_cached_include(s1, file->inc_type, file->inc_filename, |
| 9203 | file->ifndef_macro_saved); |
| 9204 | } |
| 9205 | |
| 9206 | /* add end of include file debug info */ |
| 9207 | if (do_debug) { |
| 9208 | put_stabd(N_EINCL, 0, 0); |
| 9209 | } |
| 9210 | /* pop include stack */ |
| 9211 | tcc_close(file); |
| 9212 | s1->include_stack_ptr--; |
| 9213 | file = *s1->include_stack_ptr; |
| 9214 | p = file->buf_ptr; |
| 9215 | goto redo_no_start; |
| 9216 | } |
| 9217 | } |
| 9218 | break; |
| 9219 | |
| 9220 | case '\n': |
| 9221 | if (parse_flags & PARSE_FLAG_LINEFEED) { |
| 9222 | tok = TOK_LINEFEED; |
| 9223 | } else { |
| 9224 | file->line_num++; |
| 9225 | tok_flags |= TOK_FLAG_BOL; |
| 9226 | p++; |
| 9227 | goto redo_no_start; |
| 9228 | } |
| 9229 | break; |
| 9230 | |
| 9231 | case '#': |
| 9232 | /* XXX: simplify */ |
| 9233 | PEEKC(c, p); |
| 9234 | if ((tok_flags & TOK_FLAG_BOL) && |
| 9235 | (parse_flags & PARSE_FLAG_PREPROCESS)) { |
| 9236 | file->buf_ptr = p; |
| 9237 | preprocess(tok_flags & TOK_FLAG_BOF); |
| 9238 | p = file->buf_ptr; |
| 9239 | goto redo_no_start; |
| 9240 | } else { |
| 9241 | if (c == '#') { |
| 9242 | p++; |
| 9243 | tok = TOK_TWOSHARPS; |
| 9244 | } else { |
| 9245 | if (parse_flags & PARSE_FLAG_ASM_COMMENTS) { |
| 9246 | p = parse_line_comment(p - 1); |
| 9247 | goto redo_no_start; |
| 9248 | } else { |
| 9249 | tok = '#'; |
| 9250 | } |
| 9251 | } |
| 9252 | } |
| 9253 | break; |
| 9254 | |
| 9255 | case 'a': case 'b': case 'c': case 'd': |
| 9256 | case 'e': case 'f': case 'g': case 'h': |
| 9257 | case 'i': case 'j': case 'k': case 'l': |
| 9258 | case 'm': case 'n': case 'o': case 'p': |
| 9259 | case 'q': case 'r': case 's': case 't': |
| 9260 | case 'u': case 'v': case 'w': case 'x': |
| 9261 | case 'y': case 'z': |
| 9262 | case 'A': case 'B': case 'C': case 'D': |
| 9263 | case 'E': case 'F': case 'G': case 'H': |
| 9264 | case 'I': case 'J': case 'K': |
| 9265 | case 'M': case 'N': case 'O': case 'P': |
| 9266 | case 'Q': case 'R': case 'S': case 'T': |
| 9267 | case 'U': case 'V': case 'W': case 'X': |
| 9268 | case 'Y': case 'Z': |
| 9269 | case '_': |
| 9270 | parse_ident_fast: |
| 9271 | p1 = p; |
| 9272 | h = TOK_HASH_INIT; |
| 9273 | h = TOK_HASH_FUNC(h, c); |
| 9274 | p++; |
| 9275 | for(;;) { |
| 9276 | c = *p; |
| 9277 | if (!isidnum_table[c]) |
| 9278 | break; |
| 9279 | h = TOK_HASH_FUNC(h, c); |
| 9280 | p++; |
| 9281 | } |
| 9282 | if (c != '\\') { |
| 9283 | TokenSym **pts; |
| 9284 | int len; |
| 9285 | |
| 9286 | /* fast case : no stray found, so we have the full token |
| 9287 | and we have already hashed it */ |
| 9288 | len = p - p1; |
| 9289 | h &= (TOK_HASH_SIZE - 1); |
| 9290 | pts = &hash_ident[h]; |
| 9291 | for(;;) { |
| 9292 | ts = *pts; |
| 9293 | if (!ts) |
| 9294 | break; |
| 9295 | if (ts->len == len && !memcmp(ts->str, p1, len)) |
| 9296 | goto token_found; |
| 9297 | pts = &(ts->hash_next); |
| 9298 | } |
| 9299 | ts = tok_alloc_new(pts, p1, len); |
| 9300 | token_found: ; |
| 9301 | } else { |
| 9302 | /* slower case */ |
| 9303 | cstr_reset(&tokcstr); |
| 9304 | |
| 9305 | while (p1 < p) { |
| 9306 | cstr_ccat(&tokcstr, *p1); |
| 9307 | p1++; |
| 9308 | } |
| 9309 | p--; |
| 9310 | PEEKC(c, p); |
| 9311 | parse_ident_slow: |
| 9312 | while (isidnum_table[c]) { |
| 9313 | cstr_ccat(&tokcstr, c); |
| 9314 | PEEKC(c, p); |
| 9315 | } |
| 9316 | ts = tok_alloc(tokcstr.data, tokcstr.size); |
| 9317 | } |
| 9318 | tok = ts->tok; |
| 9319 | break; |
| 9320 | case 'L': |
| 9321 | t = p[1]; |
| 9322 | if (t != '\\' && t != '\'' && t != '\"') { |
| 9323 | /* fast case */ |
| 9324 | goto parse_ident_fast; |
| 9325 | } else { |
| 9326 | PEEKC(c, p); |
| 9327 | if (c == '\'' || c == '\"') { |
| 9328 | is_long = 1; |
| 9329 | goto str_const; |
| 9330 | } else { |
| 9331 | cstr_reset(&tokcstr); |
| 9332 | cstr_ccat(&tokcstr, 'L'); |
| 9333 | goto parse_ident_slow; |
| 9334 | } |
| 9335 | } |
| 9336 | break; |
| 9337 | case '0': case '1': case '2': case '3': |
| 9338 | case '4': case '5': case '6': case '7': |
| 9339 | case '8': case '9': |
| 9340 | |
| 9341 | cstr_reset(&tokcstr); |
| 9342 | /* after the first digit, accept digits, alpha, '.' or sign if |
| 9343 | prefixed by 'eEpP' */ |
| 9344 | parse_num: |
| 9345 | for(;;) { |
| 9346 | t = c; |
| 9347 | cstr_ccat(&tokcstr, c); |
| 9348 | PEEKC(c, p); |
| 9349 | if (!(isnum(c) || isid(c) || c == '.' || |
| 9350 | ((c == '+' || c == '-') && |
| 9351 | (t == 'e' || t == 'E' || t == 'p' || t == 'P')))) |
| 9352 | break; |
| 9353 | } |
| 9354 | /* We add a trailing '\0' to ease parsing */ |
| 9355 | cstr_ccat(&tokcstr, '\0'); |
| 9356 | tokc.cstr = &tokcstr; |
| 9357 | tok = TOK_PPNUM; |
| 9358 | break; |
| 9359 | case '.': |
| 9360 | /* special dot handling because it can also start a number */ |
| 9361 | PEEKC(c, p); |
| 9362 | if (isnum(c)) { |
| 9363 | cstr_reset(&tokcstr); |
| 9364 | cstr_ccat(&tokcstr, '.'); |
| 9365 | goto parse_num; |
| 9366 | } else if (c == '.') { |
| 9367 | PEEKC(c, p); |
| 9368 | if (c != '.') |
| 9369 | expect("'.'"); |
| 9370 | PEEKC(c, p); |
| 9371 | tok = TOK_DOTS; |
| 9372 | } else { |
| 9373 | tok = '.'; |
| 9374 | } |
| 9375 | break; |
| 9376 | case '\'': |
| 9377 | case '\"': |
| 9378 | is_long = 0; |
| 9379 | str_const: |
| 9380 | { |
| 9381 | CString str; |
| 9382 | int sep; |
| 9383 | |
| 9384 | sep = c; |
| 9385 | |
| 9386 | /* parse the string */ |
| 9387 | cstr_new(&str); |
| 9388 | p = parse_pp_string(p, sep, &str); |
| 9389 | cstr_ccat(&str, '\0'); |
| 9390 | |
| 9391 | /* eval the escape (should be done as TOK_PPNUM) */ |
| 9392 | cstr_reset(&tokcstr); |
| 9393 | parse_escape_string(&tokcstr, str.data, is_long); |
| 9394 | cstr_free(&str); |
| 9395 | |
| 9396 | if (sep == '\'') { |
| 9397 | int char_size; |
| 9398 | /* XXX: make it portable */ |
| 9399 | if (!is_long) |
| 9400 | char_size = 1; |
| 9401 | else |
| 9402 | char_size = sizeof(int); |
| 9403 | if (tokcstr.size <= char_size) |
| 9404 | error("empty character constant"); |
| 9405 | if (tokcstr.size > 2 * char_size) |
| 9406 | warning("multi-character character constant"); |
| 9407 | if (!is_long) { |
| 9408 | tokc.i = *(int8_t *)tokcstr.data; |
| 9409 | tok = TOK_CCHAR; |
| 9410 | } else { |
| 9411 | tokc.i = *(int *)tokcstr.data; |
| 9412 | tok = TOK_LCHAR; |
| 9413 | } |
| 9414 | } else { |
| 9415 | tokc.cstr = &tokcstr; |
| 9416 | if (!is_long) |
| 9417 | tok = TOK_STR; |
| 9418 | else |
| 9419 | tok = TOK_LSTR; |
| 9420 | } |
| 9421 | } |
| 9422 | break; |
| 9423 | |
| 9424 | case '<': |
| 9425 | PEEKC(c, p); |
| 9426 | if (c == '=') { |
| 9427 | p++; |
| 9428 | tok = TOK_LE; |
| 9429 | } else if (c == '<') { |
| 9430 | PEEKC(c, p); |
| 9431 | if (c == '=') { |
| 9432 | p++; |
| 9433 | tok = TOK_A_SHL; |
| 9434 | } else { |
| 9435 | tok = TOK_SHL; |
| 9436 | } |
| 9437 | } else { |
| 9438 | tok = TOK_LT; |
| 9439 | } |
| 9440 | break; |
| 9441 | |
| 9442 | case '>': |
| 9443 | PEEKC(c, p); |
| 9444 | if (c == '=') { |
| 9445 | p++; |
| 9446 | tok = TOK_GE; |
| 9447 | } else if (c == '>') { |
| 9448 | PEEKC(c, p); |
| 9449 | if (c == '=') { |
| 9450 | p++; |
| 9451 | tok = TOK_A_SAR; |
| 9452 | } else { |
| 9453 | tok = TOK_SAR; |
| 9454 | } |
| 9455 | } else { |
| 9456 | tok = TOK_GT; |
| 9457 | } |
| 9458 | break; |
| 9459 | |
| 9460 | case '&': |
| 9461 | PEEKC(c, p); |
| 9462 | if (c == '&') { |
| 9463 | p++; |
| 9464 | tok = TOK_LAND; |
| 9465 | } else if (c == '=') { |
| 9466 | p++; |
| 9467 | tok = TOK_A_AND; |
| 9468 | } else { |
| 9469 | tok = '&'; |
| 9470 | } |
| 9471 | break; |
| 9472 | |
| 9473 | case '|': |
| 9474 | PEEKC(c, p); |
| 9475 | if (c == '|') { |
| 9476 | p++; |
| 9477 | tok = TOK_LOR; |
| 9478 | } else if (c == '=') { |
| 9479 | p++; |
| 9480 | tok = TOK_A_OR; |
| 9481 | } else { |
| 9482 | tok = '|'; |
| 9483 | } |
| 9484 | break; |
| 9485 | |
| 9486 | case '+': |
| 9487 | PEEKC(c, p); |
| 9488 | if (c == '+') { |
| 9489 | p++; |
| 9490 | tok = TOK_INC; |
| 9491 | } else if (c == '=') { |
| 9492 | p++; |
| 9493 | tok = TOK_A_ADD; |
| 9494 | } else { |
| 9495 | tok = '+'; |
| 9496 | } |
| 9497 | break; |
| 9498 | |
| 9499 | case '-': |
| 9500 | PEEKC(c, p); |
| 9501 | if (c == '-') { |
| 9502 | p++; |
| 9503 | tok = TOK_DEC; |
| 9504 | } else if (c == '=') { |
| 9505 | p++; |
| 9506 | tok = TOK_A_SUB; |
| 9507 | } else if (c == '>') { |
| 9508 | p++; |
| 9509 | tok = TOK_ARROW; |
| 9510 | } else { |
| 9511 | tok = '-'; |
| 9512 | } |
| 9513 | break; |
| 9514 | |
| 9515 | PARSE2('!', '!', '=', TOK_NE) |
| 9516 | PARSE2('=', '=', '=', TOK_EQ) |
| 9517 | PARSE2('*', '*', '=', TOK_A_MUL) |
| 9518 | PARSE2('%', '%', '=', TOK_A_MOD) |
| 9519 | PARSE2('^', '^', '=', TOK_A_XOR) |
| 9520 | |
| 9521 | /* comments or operator */ |
| 9522 | case '/': |
| 9523 | PEEKC(c, p); |
| 9524 | if (c == '*') { |
| 9525 | p = parse_comment(p); |
| 9526 | goto redo_no_start; |
| 9527 | } else if (c == '/') { |
| 9528 | p = parse_line_comment(p); |
| 9529 | goto redo_no_start; |
| 9530 | } else if (c == '=') { |
| 9531 | p++; |
| 9532 | tok = TOK_A_DIV; |
| 9533 | } else { |
| 9534 | tok = '/'; |
| 9535 | } |
| 9536 | break; |
| 9537 | |
| 9538 | /* simple tokens */ |
| 9539 | case '(': |
| 9540 | case ')': |
| 9541 | case '[': |
| 9542 | case ']': |
| 9543 | case '{': |
| 9544 | case '}': |
| 9545 | case ',': |
| 9546 | case ';': |
| 9547 | case ':': |
| 9548 | case '?': |
| 9549 | case '~': |
| 9550 | case '$': /* only used in assembler */ |
| 9551 | case '@': /* dito */ |
| 9552 | tok = c; |
| 9553 | p++; |
| 9554 | break; |
| 9555 | default: |
| 9556 | error("unrecognized character \\x%02x", c); |
| 9557 | break; |
| 9558 | } |
| 9559 | file->buf_ptr = p; |
| 9560 | tok_flags = 0; |
| 9561 | #if defined(PARSE_DEBUG) |
| 9562 | printf("token = %s\n", get_tok_str(tok, &tokc)); |
| 9563 | #endif |
| 9564 | } |
| 9565 | |
| 9566 | /* return next token without macro substitution. Can read input from |
| 9567 | macro_ptr buffer */ |
| 9568 | static void next_nomacro(void) |
| 9569 | { |
| 9570 | if (macro_ptr) { |
| 9571 | redo: |
| 9572 | tok = *macro_ptr; |
| 9573 | if (tok) { |
| 9574 | TOK_GET(tok, macro_ptr, tokc); |
| 9575 | if (tok == TOK_LINENUM) { |
| 9576 | file->line_num = tokc.i; |
| 9577 | goto redo; |
| 9578 | } |
| 9579 | } |
| 9580 | } else { |
| 9581 | next_nomacro1(); |
| 9582 | } |
| 9583 | } |
| 9584 | |
| 9585 | /* substitute args in macro_str and return allocated string */ |
| 9586 | static int *macro_arg_subst(Sym **nested_list, int *macro_str, Sym *args) |
| 9587 | { |
| 9588 | int *st, last_tok, t, notfirst; |
| 9589 | Sym *s; |
| 9590 | CValue cval; |
| 9591 | TokenString str; |
| 9592 | CString cstr; |
| 9593 | |
| 9594 | tok_str_new(&str); |
| 9595 | last_tok = 0; |
| 9596 | while(1) { |
| 9597 | TOK_GET(t, macro_str, cval); |
| 9598 | if (!t) |
| 9599 | break; |
| 9600 | if (t == '#') { |
| 9601 | /* stringize */ |
| 9602 | TOK_GET(t, macro_str, cval); |
| 9603 | if (!t) |
| 9604 | break; |
| 9605 | s = sym_find2(args, t); |
| 9606 | if (s) { |
| 9607 | cstr_new(&cstr); |
| 9608 | st = (int *)s->c; |
| 9609 | notfirst = 0; |
| 9610 | while (*st) { |
| 9611 | if (notfirst) |
| 9612 | cstr_ccat(&cstr, ' '); |
| 9613 | TOK_GET(t, st, cval); |
| 9614 | cstr_cat(&cstr, get_tok_str(t, &cval)); |
| 9615 | notfirst = 1; |
| 9616 | } |
| 9617 | cstr_ccat(&cstr, '\0'); |
| 9618 | #ifdef PP_DEBUG |
| 9619 | printf("stringize: %s\n", (char *)cstr.data); |
| 9620 | #endif |
| 9621 | /* add string */ |
| 9622 | cval.cstr = &cstr; |
| 9623 | tok_str_add2(&str, TOK_STR, &cval); |
| 9624 | cstr_free(&cstr); |
| 9625 | } else { |
| 9626 | tok_str_add2(&str, t, &cval); |
| 9627 | } |
| 9628 | } else if (t >= TOK_IDENT) { |
| 9629 | s = sym_find2(args, t); |
| 9630 | if (s) { |
| 9631 | st = (int *)s->c; |
| 9632 | /* if '##' is present before or after, no arg substitution */ |
| 9633 | if (*macro_str == TOK_TWOSHARPS || last_tok == TOK_TWOSHARPS) { |
| 9634 | /* special case for var arg macros : ## eats the |
| 9635 | ',' if empty VA_ARGS variable. */ |
| 9636 | /* XXX: test of the ',' is not 100% |
| 9637 | reliable. should fix it to avoid security |
| 9638 | problems */ |
| 9639 | if (gnu_ext && s->type.t && |
| 9640 | last_tok == TOK_TWOSHARPS && |
| 9641 | str.len >= 2 && str.str[str.len - 2] == ',') { |
| 9642 | if (*st == 0) { |
| 9643 | /* suppress ',' '##' */ |
| 9644 | str.len -= 2; |
| 9645 | } else { |
| 9646 | /* suppress '##' and add variable */ |
| 9647 | str.len--; |
| 9648 | goto add_var; |
| 9649 | } |
| 9650 | } else { |
| 9651 | int t1; |
| 9652 | add_var: |
| 9653 | for(;;) { |
| 9654 | TOK_GET(t1, st, cval); |
| 9655 | if (!t1) |
| 9656 | break; |
| 9657 | tok_str_add2(&str, t1, &cval); |
| 9658 | } |
| 9659 | } |
| 9660 | } else { |
| 9661 | /* NOTE: the stream cannot be read when macro |
| 9662 | substituing an argument */ |
| 9663 | macro_subst(&str, nested_list, st, NULL); |
| 9664 | } |
| 9665 | } else { |
| 9666 | tok_str_add(&str, t); |
| 9667 | } |
| 9668 | } else { |
| 9669 | tok_str_add2(&str, t, &cval); |
| 9670 | } |
| 9671 | last_tok = t; |
| 9672 | } |
| 9673 | tok_str_add(&str, 0); |
| 9674 | return str.str; |
| 9675 | } |
| 9676 | |
| 9677 | static char const ab_month_name[12][4] = |
| 9678 | { |
| 9679 | "Jan", "Feb", "Mar", "Apr", "May", "Jun", |
| 9680 | "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" |
| 9681 | }; |
| 9682 | |
| 9683 | /* do macro substitution of current token with macro 's' and add |
| 9684 | result to (tok_str,tok_len). 'nested_list' is the list of all |
| 9685 | macros we got inside to avoid recursing. Return non zero if no |
| 9686 | substitution needs to be done */ |
| 9687 | static int macro_subst_tok(TokenString *tok_str, |
| 9688 | Sym **nested_list, Sym *s, struct macro_level **can_read_stream) |
| 9689 | { |
| 9690 | Sym *args, *sa, *sa1; |
| 9691 | int mstr_allocated, parlevel, *mstr, t, t1; |
| 9692 | TokenString str; |
| 9693 | char *cstrval; |
| 9694 | CValue cval; |
| 9695 | CString cstr; |
| 9696 | char buf[32]; |
| 9697 | |
| 9698 | /* if symbol is a macro, prepare substitution */ |
| 9699 | /* special macros */ |
| 9700 | if (tok == TOK___LINE__) { |
| 9701 | snprintf(buf, sizeof(buf), "%d", file->line_num); |
| 9702 | cstrval = buf; |
| 9703 | t1 = TOK_PPNUM; |
| 9704 | goto add_cstr1; |
| 9705 | } else if (tok == TOK___FILE__) { |
| 9706 | cstrval = file->filename; |
| 9707 | goto add_cstr; |
| 9708 | } else if (tok == TOK___DATE__ || tok == TOK___TIME__) { |
| 9709 | time_t ti; |
| 9710 | struct tm *tm; |
| 9711 | |
| 9712 | time(&ti); |
| 9713 | tm = localtime(&ti); |
| 9714 | if (tok == TOK___DATE__) { |
| 9715 | snprintf(buf, sizeof(buf), "%s %2d %d", |
| 9716 | ab_month_name[tm->tm_mon], tm->tm_mday, tm->tm_year + 1900); |
| 9717 | } else { |
| 9718 | snprintf(buf, sizeof(buf), "%02d:%02d:%02d", |
| 9719 | tm->tm_hour, tm->tm_min, tm->tm_sec); |
| 9720 | } |
| 9721 | cstrval = buf; |
| 9722 | add_cstr: |
| 9723 | t1 = TOK_STR; |
| 9724 | add_cstr1: |
| 9725 | cstr_new(&cstr); |
| 9726 | cstr_cat(&cstr, cstrval); |
| 9727 | cstr_ccat(&cstr, '\0'); |
| 9728 | cval.cstr = &cstr; |
| 9729 | tok_str_add2(tok_str, t1, &cval); |
| 9730 | cstr_free(&cstr); |
| 9731 | } else { |
| 9732 | mstr = (int *)s->c; |
| 9733 | mstr_allocated = 0; |
| 9734 | if (s->type.t == MACRO_FUNC) { |
| 9735 | /* NOTE: we do not use next_nomacro to avoid eating the |
| 9736 | next token. XXX: find better solution */ |
| 9737 | redo: |
| 9738 | if (macro_ptr) { |
| 9739 | t = *macro_ptr; |
| 9740 | if (t == 0 && can_read_stream) { |
| 9741 | /* end of macro stream: we must look at the token |
| 9742 | after in the file */ |
| 9743 | struct macro_level *ml = *can_read_stream; |
| 9744 | macro_ptr = NULL; |
| 9745 | if (ml) |
| 9746 | { |
| 9747 | macro_ptr = ml->p; |
| 9748 | ml->p = NULL; |
| 9749 | *can_read_stream = ml -> prev; |
| 9750 | } |
| 9751 | goto redo; |
| 9752 | } |
| 9753 | } else { |
| 9754 | /* XXX: incorrect with comments */ |
| 9755 | ch = file->buf_ptr[0]; |
| 9756 | while (is_space(ch) || ch == '\n') |
| 9757 | cinp(); |
| 9758 | t = ch; |
| 9759 | } |
| 9760 | if (t != '(') /* no macro subst */ |
| 9761 | return -1; |
| 9762 | |
| 9763 | /* argument macro */ |
| 9764 | next_nomacro(); |
| 9765 | next_nomacro(); |
| 9766 | args = NULL; |
| 9767 | sa = s->next; |
| 9768 | /* NOTE: empty args are allowed, except if no args */ |
| 9769 | for(;;) { |
| 9770 | /* handle '()' case */ |
| 9771 | if (!args && !sa && tok == ')') |
| 9772 | break; |
| 9773 | if (!sa) |
| 9774 | error("macro '%s' used with too many args", |
| 9775 | get_tok_str(s->v, 0)); |
| 9776 | tok_str_new(&str); |
| 9777 | parlevel = 0; |
| 9778 | /* NOTE: non zero sa->t indicates VA_ARGS */ |
| 9779 | while ((parlevel > 0 || |
| 9780 | (tok != ')' && |
| 9781 | (tok != ',' || sa->type.t))) && |
| 9782 | tok != -1) { |
| 9783 | if (tok == '(') |
| 9784 | parlevel++; |
| 9785 | else if (tok == ')') |
| 9786 | parlevel--; |
| 9787 | tok_str_add2(&str, tok, &tokc); |
| 9788 | next_nomacro(); |
| 9789 | } |
| 9790 | tok_str_add(&str, 0); |
| 9791 | sym_push2(&args, sa->v & ~SYM_FIELD, sa->type.t, (int)str.str); |
| 9792 | sa = sa->next; |
| 9793 | if (tok == ')') { |
| 9794 | /* special case for gcc var args: add an empty |
| 9795 | var arg argument if it is omitted */ |
| 9796 | if (sa && sa->type.t && gnu_ext) |
| 9797 | continue; |
| 9798 | else |
| 9799 | break; |
| 9800 | } |
| 9801 | if (tok != ',') |
| 9802 | expect(","); |
| 9803 | next_nomacro(); |
| 9804 | } |
| 9805 | if (sa) { |
| 9806 | error("macro '%s' used with too few args", |
| 9807 | get_tok_str(s->v, 0)); |
| 9808 | } |
| 9809 | |
| 9810 | /* now subst each arg */ |
| 9811 | mstr = macro_arg_subst(nested_list, mstr, args); |
| 9812 | /* free memory */ |
| 9813 | sa = args; |
| 9814 | while (sa) { |
| 9815 | sa1 = sa->prev; |
| 9816 | tok_str_free((int *)sa->c); |
| 9817 | sym_free(sa); |
| 9818 | sa = sa1; |
| 9819 | } |
| 9820 | mstr_allocated = 1; |
| 9821 | } |
| 9822 | sym_push2(nested_list, s->v, 0, 0); |
| 9823 | macro_subst(tok_str, nested_list, mstr, can_read_stream); |
| 9824 | /* pop nested defined symbol */ |
| 9825 | sa1 = *nested_list; |
| 9826 | *nested_list = sa1->prev; |
| 9827 | sym_free(sa1); |
| 9828 | if (mstr_allocated) |
| 9829 | tok_str_free(mstr); |
| 9830 | } |
| 9831 | return 0; |
| 9832 | } |
| 9833 | |
| 9834 | /* handle the '##' operator. Return NULL if no '##' seen. Otherwise |
| 9835 | return the resulting string (which must be freed). */ |
njn | a30bec8 | 2006-03-30 10:26:44 +0000 | [diff] [blame] | 9836 | static /*inline*/ int *macro_twosharps(const int *macro_str) |
njn | 99c8558 | 2005-12-20 23:02:43 +0000 | [diff] [blame] | 9837 | { |
| 9838 | TokenSym *ts; |
| 9839 | const int *macro_ptr1, *start_macro_ptr, *ptr, *saved_macro_ptr; |
| 9840 | int t; |
| 9841 | const char *p1, *p2; |
| 9842 | CValue cval; |
| 9843 | TokenString macro_str1; |
| 9844 | CString cstr; |
| 9845 | |
| 9846 | start_macro_ptr = macro_str; |
| 9847 | /* we search the first '##' */ |
| 9848 | for(;;) { |
| 9849 | macro_ptr1 = macro_str; |
| 9850 | TOK_GET(t, macro_str, cval); |
| 9851 | /* nothing more to do if end of string */ |
| 9852 | if (t == 0) |
| 9853 | return NULL; |
| 9854 | if (*macro_str == TOK_TWOSHARPS) |
| 9855 | break; |
| 9856 | } |
| 9857 | |
| 9858 | /* we saw '##', so we need more processing to handle it */ |
| 9859 | cstr_new(&cstr); |
| 9860 | tok_str_new(¯o_str1); |
| 9861 | tok = t; |
| 9862 | tokc = cval; |
| 9863 | |
| 9864 | /* add all tokens seen so far */ |
| 9865 | for(ptr = start_macro_ptr; ptr < macro_ptr1;) { |
| 9866 | TOK_GET(t, ptr, cval); |
| 9867 | tok_str_add2(¯o_str1, t, &cval); |
| 9868 | } |
| 9869 | saved_macro_ptr = macro_ptr; |
| 9870 | /* XXX: get rid of the use of macro_ptr here */ |
| 9871 | macro_ptr = (int *)macro_str; |
| 9872 | for(;;) { |
| 9873 | while (*macro_ptr == TOK_TWOSHARPS) { |
| 9874 | macro_ptr++; |
| 9875 | macro_ptr1 = macro_ptr; |
| 9876 | t = *macro_ptr; |
| 9877 | if (t) { |
| 9878 | TOK_GET(t, macro_ptr, cval); |
| 9879 | /* We concatenate the two tokens if we have an |
| 9880 | identifier or a preprocessing number */ |
| 9881 | cstr_reset(&cstr); |
| 9882 | p1 = get_tok_str(tok, &tokc); |
| 9883 | cstr_cat(&cstr, p1); |
| 9884 | p2 = get_tok_str(t, &cval); |
| 9885 | cstr_cat(&cstr, p2); |
| 9886 | cstr_ccat(&cstr, '\0'); |
| 9887 | |
| 9888 | if ((tok >= TOK_IDENT || tok == TOK_PPNUM) && |
| 9889 | (t >= TOK_IDENT || t == TOK_PPNUM)) { |
| 9890 | if (tok == TOK_PPNUM) { |
| 9891 | /* if number, then create a number token */ |
| 9892 | /* NOTE: no need to allocate because |
| 9893 | tok_str_add2() does it */ |
| 9894 | tokc.cstr = &cstr; |
| 9895 | } else { |
| 9896 | /* if identifier, we must do a test to |
| 9897 | validate we have a correct identifier */ |
| 9898 | if (t == TOK_PPNUM) { |
| 9899 | const char *p; |
| 9900 | int c; |
| 9901 | |
| 9902 | p = p2; |
| 9903 | for(;;) { |
| 9904 | c = *p; |
| 9905 | if (c == '\0') |
| 9906 | break; |
| 9907 | p++; |
| 9908 | if (!isnum(c) && !isid(c)) |
| 9909 | goto error_pasting; |
| 9910 | } |
| 9911 | } |
| 9912 | ts = tok_alloc(cstr.data, strlen(cstr.data)); |
| 9913 | tok = ts->tok; /* modify current token */ |
| 9914 | } |
| 9915 | } else { |
| 9916 | const char *str = cstr.data; |
| 9917 | const unsigned char *q; |
| 9918 | |
| 9919 | /* we look for a valid token */ |
| 9920 | /* XXX: do more extensive checks */ |
| 9921 | if (!strcmp(str, ">>=")) { |
| 9922 | tok = TOK_A_SAR; |
| 9923 | } else if (!strcmp(str, "<<=")) { |
| 9924 | tok = TOK_A_SHL; |
| 9925 | } else if (strlen(str) == 2) { |
| 9926 | /* search in two bytes table */ |
| 9927 | q = tok_two_chars; |
| 9928 | for(;;) { |
| 9929 | if (!*q) |
| 9930 | goto error_pasting; |
| 9931 | if (q[0] == str[0] && q[1] == str[1]) |
| 9932 | break; |
| 9933 | q += 3; |
| 9934 | } |
| 9935 | tok = q[2]; |
| 9936 | } else { |
| 9937 | error_pasting: |
| 9938 | /* NOTE: because get_tok_str use a static buffer, |
| 9939 | we must save it */ |
| 9940 | cstr_reset(&cstr); |
| 9941 | p1 = get_tok_str(tok, &tokc); |
| 9942 | cstr_cat(&cstr, p1); |
| 9943 | cstr_ccat(&cstr, '\0'); |
| 9944 | p2 = get_tok_str(t, &cval); |
| 9945 | warning("pasting \"%s\" and \"%s\" does not give a valid preprocessing token", cstr.data, p2); |
| 9946 | /* cannot merge tokens: just add them separately */ |
| 9947 | tok_str_add2(¯o_str1, tok, &tokc); |
| 9948 | /* XXX: free associated memory ? */ |
| 9949 | tok = t; |
| 9950 | tokc = cval; |
| 9951 | } |
| 9952 | } |
| 9953 | } |
| 9954 | } |
| 9955 | tok_str_add2(¯o_str1, tok, &tokc); |
| 9956 | next_nomacro(); |
| 9957 | if (tok == 0) |
| 9958 | break; |
| 9959 | } |
| 9960 | macro_ptr = (int *)saved_macro_ptr; |
| 9961 | cstr_free(&cstr); |
| 9962 | tok_str_add(¯o_str1, 0); |
| 9963 | return macro_str1.str; |
| 9964 | } |
| 9965 | |
| 9966 | |
| 9967 | /* do macro substitution of macro_str and add result to |
| 9968 | (tok_str,tok_len). 'nested_list' is the list of all macros we got |
| 9969 | inside to avoid recursing. */ |
| 9970 | static void macro_subst(TokenString *tok_str, Sym **nested_list, |
| 9971 | const int *macro_str, struct macro_level ** can_read_stream) |
| 9972 | { |
| 9973 | Sym *s; |
| 9974 | int *macro_str1; |
| 9975 | const int *ptr; |
| 9976 | int t, ret; |
| 9977 | CValue cval; |
| 9978 | struct macro_level ml; |
| 9979 | |
| 9980 | /* first scan for '##' operator handling */ |
| 9981 | ptr = macro_str; |
| 9982 | macro_str1 = macro_twosharps(ptr); |
| 9983 | if (macro_str1) |
| 9984 | ptr = macro_str1; |
| 9985 | while (1) { |
| 9986 | /* NOTE: ptr == NULL can only happen if tokens are read from |
| 9987 | file stream due to a macro function call */ |
| 9988 | if (ptr == NULL) |
| 9989 | break; |
| 9990 | TOK_GET(t, ptr, cval); |
| 9991 | if (t == 0) |
| 9992 | break; |
| 9993 | s = define_find(t); |
| 9994 | if (s != NULL) { |
| 9995 | /* if nested substitution, do nothing */ |
| 9996 | if (sym_find2(*nested_list, t)) |
| 9997 | goto no_subst; |
| 9998 | ml.p = macro_ptr; |
| 9999 | if (can_read_stream) |
| 10000 | ml.prev = *can_read_stream, *can_read_stream = &ml; |
| 10001 | macro_ptr = (int *)ptr; |
| 10002 | tok = t; |
| 10003 | ret = macro_subst_tok(tok_str, nested_list, s, can_read_stream); |
| 10004 | ptr = (int *)macro_ptr; |
| 10005 | macro_ptr = ml.p; |
| 10006 | if (can_read_stream && *can_read_stream == &ml) |
| 10007 | *can_read_stream = ml.prev; |
| 10008 | if (ret != 0) |
| 10009 | goto no_subst; |
| 10010 | } else { |
| 10011 | no_subst: |
| 10012 | tok_str_add2(tok_str, t, &cval); |
| 10013 | } |
| 10014 | } |
| 10015 | if (macro_str1) |
| 10016 | tok_str_free(macro_str1); |
| 10017 | } |
| 10018 | |
| 10019 | /* return next token with macro substitution */ |
| 10020 | static void next(void) |
| 10021 | { |
| 10022 | Sym *nested_list, *s; |
| 10023 | TokenString str; |
| 10024 | struct macro_level *ml; |
| 10025 | |
| 10026 | redo: |
| 10027 | next_nomacro(); |
| 10028 | if (!macro_ptr) { |
| 10029 | /* if not reading from macro substituted string, then try |
| 10030 | to substitute macros */ |
| 10031 | if (tok >= TOK_IDENT && |
| 10032 | (parse_flags & PARSE_FLAG_PREPROCESS)) { |
| 10033 | s = define_find(tok); |
| 10034 | if (s) { |
| 10035 | /* we have a macro: we try to substitute */ |
| 10036 | tok_str_new(&str); |
| 10037 | nested_list = NULL; |
| 10038 | ml = NULL; |
| 10039 | if (macro_subst_tok(&str, &nested_list, s, &ml) == 0) { |
| 10040 | /* substitution done, NOTE: maybe empty */ |
| 10041 | tok_str_add(&str, 0); |
| 10042 | macro_ptr = str.str; |
| 10043 | macro_ptr_allocated = str.str; |
| 10044 | goto redo; |
| 10045 | } |
| 10046 | } |
| 10047 | } |
| 10048 | } else { |
| 10049 | if (tok == 0) { |
| 10050 | /* end of macro or end of unget buffer */ |
| 10051 | if (unget_buffer_enabled) { |
| 10052 | macro_ptr = unget_saved_macro_ptr; |
| 10053 | unget_buffer_enabled = 0; |
| 10054 | } else { |
| 10055 | /* end of macro string: free it */ |
| 10056 | tok_str_free(macro_ptr_allocated); |
| 10057 | macro_ptr = NULL; |
| 10058 | } |
| 10059 | goto redo; |
| 10060 | } |
| 10061 | } |
| 10062 | |
| 10063 | /* convert preprocessor tokens into C tokens */ |
| 10064 | if (tok == TOK_PPNUM && |
| 10065 | (parse_flags & PARSE_FLAG_TOK_NUM)) { |
| 10066 | parse_number((char *)tokc.cstr->data); |
| 10067 | } |
| 10068 | } |
| 10069 | |
| 10070 | /* push back current token and set current token to 'last_tok'. Only |
| 10071 | identifier case handled for labels. */ |
| 10072 | static inline void unget_tok(int last_tok) |
| 10073 | { |
| 10074 | int i, n; |
| 10075 | int *q; |
| 10076 | unget_saved_macro_ptr = macro_ptr; |
| 10077 | unget_buffer_enabled = 1; |
| 10078 | q = unget_saved_buffer; |
| 10079 | macro_ptr = q; |
| 10080 | *q++ = tok; |
| 10081 | n = tok_ext_size(tok) - 1; |
| 10082 | for(i=0;i<n;i++) |
| 10083 | *q++ = tokc.tab[i]; |
| 10084 | *q = 0; /* end of token string */ |
| 10085 | tok = last_tok; |
| 10086 | } |
| 10087 | |
| 10088 | |
| 10089 | void swap(int *p, int *q) |
| 10090 | { |
| 10091 | int t; |
| 10092 | t = *p; |
| 10093 | *p = *q; |
| 10094 | *q = t; |
| 10095 | } |
| 10096 | |
| 10097 | void vsetc(CType *type, int r, CValue *vc) |
| 10098 | { |
| 10099 | int v; |
| 10100 | |
| 10101 | if (vtop >= vstack + (VSTACK_SIZE - 1)) |
| 10102 | error("memory full"); |
| 10103 | /* cannot let cpu flags if other instruction are generated. Also |
| 10104 | avoid leaving VT_JMP anywhere except on the top of the stack |
| 10105 | because it would complicate the code generator. */ |
| 10106 | if (vtop >= vstack) { |
| 10107 | v = vtop->r & VT_VALMASK; |
| 10108 | if (v == VT_CMP || (v & ~1) == VT_JMP) |
| 10109 | gv(RC_INT); |
| 10110 | } |
| 10111 | vtop++; |
| 10112 | vtop->type = *type; |
| 10113 | vtop->r = r; |
| 10114 | vtop->r2 = VT_CONST; |
| 10115 | vtop->c = *vc; |
| 10116 | } |
| 10117 | |
| 10118 | /* push integer constant */ |
| 10119 | void vpushi(int v) |
| 10120 | { |
| 10121 | CValue cval; |
| 10122 | cval.i = v; |
| 10123 | vsetc(&int_type, VT_CONST, &cval); |
| 10124 | } |
| 10125 | |
| 10126 | /* Return a static symbol pointing to a section */ |
| 10127 | static Sym *get_sym_ref(CType *type, Section *sec, |
| 10128 | unsigned long offset, unsigned long size) |
| 10129 | { |
| 10130 | int v; |
| 10131 | Sym *sym; |
| 10132 | |
| 10133 | v = anon_sym++; |
| 10134 | sym = global_identifier_push(v, type->t | VT_STATIC, 0); |
| 10135 | sym->type.ref = type->ref; |
| 10136 | sym->r = VT_CONST | VT_SYM; |
| 10137 | put_extern_sym(sym, sec, offset, size); |
| 10138 | return sym; |
| 10139 | } |
| 10140 | |
| 10141 | /* push a reference to a section offset by adding a dummy symbol */ |
| 10142 | static void vpush_ref(CType *type, Section *sec, unsigned long offset, unsigned long size) |
| 10143 | { |
| 10144 | CValue cval; |
| 10145 | |
| 10146 | cval.ul = 0; |
| 10147 | vsetc(type, VT_CONST | VT_SYM, &cval); |
| 10148 | vtop->sym = get_sym_ref(type, sec, offset, size); |
| 10149 | } |
| 10150 | |
| 10151 | /* define a new external reference to a symbol 'v' of type 'u' */ |
| 10152 | static Sym *external_global_sym(int v, CType *type, int r) |
| 10153 | { |
| 10154 | Sym *s; |
| 10155 | |
| 10156 | s = sym_find(v); |
| 10157 | if (!s) { |
| 10158 | /* push forward reference */ |
| 10159 | s = global_identifier_push(v, type->t | VT_EXTERN, 0); |
| 10160 | s->type.ref = type->ref; |
| 10161 | s->r = r | VT_CONST | VT_SYM; |
| 10162 | } |
| 10163 | return s; |
| 10164 | } |
| 10165 | |
| 10166 | /* define a new external reference to a symbol 'v' of type 'u' */ |
| 10167 | static Sym *external_sym(int v, CType *type, int r) |
| 10168 | { |
| 10169 | Sym *s; |
| 10170 | |
| 10171 | s = sym_find(v); |
| 10172 | if (!s) { |
| 10173 | /* push forward reference */ |
| 10174 | s = sym_push(v, type, r | VT_CONST | VT_SYM, 0); |
| 10175 | s->type.t |= VT_EXTERN; |
| 10176 | } else { |
| 10177 | if (!is_compatible_types(&s->type, type)) |
| 10178 | error("incompatible types for redefinition of '%s'", |
| 10179 | get_tok_str(v, NULL)); |
| 10180 | } |
| 10181 | return s; |
| 10182 | } |
| 10183 | |
| 10184 | /* push a reference to global symbol v */ |
| 10185 | static void vpush_global_sym(CType *type, int v) |
| 10186 | { |
| 10187 | Sym *sym; |
| 10188 | CValue cval; |
| 10189 | |
| 10190 | sym = external_global_sym(v, type, 0); |
| 10191 | cval.ul = 0; |
| 10192 | vsetc(type, VT_CONST | VT_SYM, &cval); |
| 10193 | vtop->sym = sym; |
| 10194 | } |
| 10195 | |
| 10196 | void vset(CType *type, int r, int v) |
| 10197 | { |
| 10198 | CValue cval; |
| 10199 | |
| 10200 | cval.i = v; |
| 10201 | vsetc(type, r, &cval); |
| 10202 | } |
| 10203 | |
| 10204 | void vseti(int r, int v) |
| 10205 | { |
| 10206 | CType type; |
| 10207 | type.t = VT_INT; |
| 10208 | vset(&type, r, v); |
| 10209 | } |
| 10210 | |
| 10211 | void vswap(void) |
| 10212 | { |
| 10213 | SValue tmp; |
| 10214 | |
| 10215 | tmp = vtop[0]; |
| 10216 | vtop[0] = vtop[-1]; |
| 10217 | vtop[-1] = tmp; |
| 10218 | } |
| 10219 | |
| 10220 | void vpushv(SValue *v) |
| 10221 | { |
| 10222 | if (vtop >= vstack + (VSTACK_SIZE - 1)) |
| 10223 | error("memory full"); |
| 10224 | vtop++; |
| 10225 | *vtop = *v; |
| 10226 | } |
| 10227 | |
| 10228 | void vdup(void) |
| 10229 | { |
| 10230 | vpushv(vtop); |
| 10231 | } |
| 10232 | |
| 10233 | /* save r to the memory stack, and mark it as being free */ |
| 10234 | void save_reg(int r) |
| 10235 | { |
| 10236 | int l, saved, size, align; |
| 10237 | SValue *p, sv; |
| 10238 | CType *type; |
| 10239 | |
| 10240 | /* modify all stack values */ |
| 10241 | saved = 0; |
| 10242 | l = 0; |
| 10243 | for(p=vstack;p<=vtop;p++) { |
| 10244 | if ((p->r & VT_VALMASK) == r || |
| 10245 | (p->r2 & VT_VALMASK) == r) { |
| 10246 | /* must save value on stack if not already done */ |
| 10247 | if (!saved) { |
| 10248 | /* NOTE: must reload 'r' because r might be equal to r2 */ |
| 10249 | r = p->r & VT_VALMASK; |
| 10250 | /* store register in the stack */ |
| 10251 | type = &p->type; |
| 10252 | if ((p->r & VT_LVAL) || |
| 10253 | (!is_float(type->t) && (type->t & VT_BTYPE) != VT_LLONG)) |
| 10254 | type = &int_type; |
| 10255 | size = type_size(type, &align); |
| 10256 | loc = (loc - size) & -align; |
| 10257 | sv.type.t = type->t; |
| 10258 | sv.r = VT_LOCAL | VT_LVAL; |
| 10259 | sv.c.ul = loc; |
| 10260 | store(r, &sv); |
| 10261 | #ifdef TCC_TARGET_I386 |
| 10262 | /* x86 specific: need to pop fp register ST0 if saved */ |
| 10263 | if (r == TREG_ST0) { |
| 10264 | o(0xd9dd); /* fstp %st(1) */ |
| 10265 | } |
| 10266 | #endif |
| 10267 | /* special long long case */ |
| 10268 | if ((type->t & VT_BTYPE) == VT_LLONG) { |
| 10269 | sv.c.ul += 4; |
| 10270 | store(p->r2, &sv); |
| 10271 | } |
| 10272 | l = loc; |
| 10273 | saved = 1; |
| 10274 | } |
| 10275 | /* mark that stack entry as being saved on the stack */ |
| 10276 | if (p->r & VT_LVAL) { |
| 10277 | /* also clear the bounded flag because the |
| 10278 | relocation address of the function was stored in |
| 10279 | p->c.ul */ |
| 10280 | p->r = (p->r & ~(VT_VALMASK | VT_BOUNDED)) | VT_LLOCAL; |
| 10281 | } else { |
| 10282 | p->r = lvalue_type(p->type.t) | VT_LOCAL; |
| 10283 | } |
| 10284 | p->r2 = VT_CONST; |
| 10285 | p->c.ul = l; |
| 10286 | } |
| 10287 | } |
| 10288 | } |
| 10289 | |
| 10290 | /* find a register of class 'rc2' with at most one reference on stack. |
| 10291 | * If none, call get_reg(rc) */ |
| 10292 | int get_reg_ex(int rc, int rc2) |
| 10293 | { |
| 10294 | int r; |
| 10295 | SValue *p; |
| 10296 | |
| 10297 | for(r=0;r<NB_REGS;r++) { |
| 10298 | if (reg_classes[r] & rc2) { |
| 10299 | int n; |
| 10300 | n=0; |
| 10301 | for(p = vstack; p <= vtop; p++) { |
| 10302 | if ((p->r & VT_VALMASK) == r || |
| 10303 | (p->r2 & VT_VALMASK) == r) |
| 10304 | n++; |
| 10305 | } |
| 10306 | if (n <= 1) |
| 10307 | return r; |
| 10308 | } |
| 10309 | } |
| 10310 | return get_reg(rc); |
| 10311 | } |
| 10312 | |
| 10313 | /* find a free register of class 'rc'. If none, save one register */ |
| 10314 | int get_reg(int rc) |
| 10315 | { |
| 10316 | int r; |
| 10317 | SValue *p; |
| 10318 | |
| 10319 | /* find a free register */ |
| 10320 | for(r=0;r<NB_REGS;r++) { |
| 10321 | if (reg_classes[r] & rc) { |
| 10322 | for(p=vstack;p<=vtop;p++) { |
| 10323 | if ((p->r & VT_VALMASK) == r || |
| 10324 | (p->r2 & VT_VALMASK) == r) |
| 10325 | goto notfound; |
| 10326 | } |
| 10327 | return r; |
| 10328 | } |
| 10329 | notfound: ; |
| 10330 | } |
| 10331 | |
| 10332 | /* no register left : free the first one on the stack (VERY |
| 10333 | IMPORTANT to start from the bottom to ensure that we don't |
| 10334 | spill registers used in gen_opi()) */ |
| 10335 | for(p=vstack;p<=vtop;p++) { |
| 10336 | r = p->r & VT_VALMASK; |
| 10337 | if (r < VT_CONST && (reg_classes[r] & rc)) |
| 10338 | goto save_found; |
| 10339 | /* also look at second register (if long long) */ |
| 10340 | r = p->r2 & VT_VALMASK; |
| 10341 | if (r < VT_CONST && (reg_classes[r] & rc)) { |
| 10342 | save_found: |
| 10343 | save_reg(r); |
| 10344 | return r; |
| 10345 | } |
| 10346 | } |
| 10347 | /* Should never comes here */ |
| 10348 | return -1; |
| 10349 | } |
| 10350 | |
| 10351 | /* save registers up to (vtop - n) stack entry */ |
| 10352 | void save_regs(int n) |
| 10353 | { |
| 10354 | int r; |
| 10355 | SValue *p, *p1; |
| 10356 | p1 = vtop - n; |
| 10357 | for(p = vstack;p <= p1; p++) { |
| 10358 | r = p->r & VT_VALMASK; |
| 10359 | if (r < VT_CONST) { |
| 10360 | save_reg(r); |
| 10361 | } |
| 10362 | } |
| 10363 | } |
| 10364 | |
| 10365 | /* move register 's' to 'r', and flush previous value of r to memory |
| 10366 | if needed */ |
| 10367 | void move_reg(int r, int s) |
| 10368 | { |
| 10369 | SValue sv; |
| 10370 | |
| 10371 | if (r != s) { |
| 10372 | save_reg(r); |
| 10373 | sv.type.t = VT_INT; |
| 10374 | sv.r = s; |
| 10375 | sv.c.ul = 0; |
| 10376 | load(r, &sv); |
| 10377 | } |
| 10378 | } |
| 10379 | |
| 10380 | /* get address of vtop (vtop MUST BE an lvalue) */ |
| 10381 | void gaddrof(void) |
| 10382 | { |
| 10383 | vtop->r &= ~VT_LVAL; |
| 10384 | /* tricky: if saved lvalue, then we can go back to lvalue */ |
| 10385 | if ((vtop->r & VT_VALMASK) == VT_LLOCAL) |
| 10386 | vtop->r = (vtop->r & ~(VT_VALMASK | VT_LVAL_TYPE)) | VT_LOCAL | VT_LVAL; |
| 10387 | } |
| 10388 | |
| 10389 | #ifdef CONFIG_TCC_BCHECK |
| 10390 | /* generate lvalue bound code */ |
| 10391 | void gbound(void) |
| 10392 | { |
| 10393 | int lval_type; |
| 10394 | CType type1; |
| 10395 | |
| 10396 | vtop->r &= ~VT_MUSTBOUND; |
| 10397 | /* if lvalue, then use checking code before dereferencing */ |
| 10398 | if (vtop->r & VT_LVAL) { |
| 10399 | /* if not VT_BOUNDED value, then make one */ |
| 10400 | if (!(vtop->r & VT_BOUNDED)) { |
| 10401 | lval_type = vtop->r & (VT_LVAL_TYPE | VT_LVAL); |
| 10402 | /* must save type because we must set it to int to get pointer */ |
| 10403 | type1 = vtop->type; |
| 10404 | vtop->type.t = VT_INT; |
| 10405 | gaddrof(); |
| 10406 | vpushi(0); |
| 10407 | gen_bounded_ptr_add(); |
| 10408 | vtop->r |= lval_type; |
| 10409 | vtop->type = type1; |
| 10410 | } |
| 10411 | /* then check for dereferencing */ |
| 10412 | gen_bounded_ptr_deref(); |
| 10413 | } |
| 10414 | } |
| 10415 | #endif |
| 10416 | |
| 10417 | /* store vtop a register belonging to class 'rc'. lvalues are |
| 10418 | converted to values. Cannot be used if cannot be converted to |
| 10419 | register value (such as structures). */ |
| 10420 | int gv(int rc) |
| 10421 | { |
| 10422 | int r, r2, rc2, bit_pos, bit_size, size, align, i; |
| 10423 | unsigned long long ll; |
| 10424 | |
| 10425 | /* NOTE: get_reg can modify vstack[] */ |
| 10426 | if (vtop->type.t & VT_BITFIELD) { |
| 10427 | bit_pos = (vtop->type.t >> VT_STRUCT_SHIFT) & 0x3f; |
| 10428 | bit_size = (vtop->type.t >> (VT_STRUCT_SHIFT + 6)) & 0x3f; |
| 10429 | /* remove bit field info to avoid loops */ |
| 10430 | vtop->type.t &= ~(VT_BITFIELD | (-1 << VT_STRUCT_SHIFT)); |
| 10431 | /* generate shifts */ |
| 10432 | vpushi(32 - (bit_pos + bit_size)); |
| 10433 | gen_op(TOK_SHL); |
| 10434 | vpushi(32 - bit_size); |
| 10435 | /* NOTE: transformed to SHR if unsigned */ |
| 10436 | gen_op(TOK_SAR); |
| 10437 | r = gv(rc); |
| 10438 | } else { |
| 10439 | if (is_float(vtop->type.t) && |
| 10440 | (vtop->r & (VT_VALMASK | VT_LVAL)) == VT_CONST) { |
| 10441 | Sym *sym; |
| 10442 | int *ptr; |
| 10443 | unsigned long offset; |
| 10444 | |
| 10445 | /* XXX: unify with initializers handling ? */ |
| 10446 | /* CPUs usually cannot use float constants, so we store them |
| 10447 | generically in data segment */ |
| 10448 | size = type_size(&vtop->type, &align); |
| 10449 | offset = (data_section->data_offset + align - 1) & -align; |
| 10450 | data_section->data_offset = offset; |
| 10451 | /* XXX: not portable yet */ |
| 10452 | ptr = section_ptr_add(data_section, size); |
| 10453 | size = size >> 2; |
| 10454 | for(i=0;i<size;i++) |
| 10455 | ptr[i] = vtop->c.tab[i]; |
| 10456 | sym = get_sym_ref(&vtop->type, data_section, offset, size << 2); |
| 10457 | vtop->r |= VT_LVAL | VT_SYM; |
| 10458 | vtop->sym = sym; |
| 10459 | vtop->c.ul = 0; |
| 10460 | } |
| 10461 | #ifdef CONFIG_TCC_BCHECK |
| 10462 | if (vtop->r & VT_MUSTBOUND) |
| 10463 | gbound(); |
| 10464 | #endif |
| 10465 | |
| 10466 | r = vtop->r & VT_VALMASK; |
| 10467 | /* need to reload if: |
| 10468 | - constant |
| 10469 | - lvalue (need to dereference pointer) |
| 10470 | - already a register, but not in the right class */ |
| 10471 | if (r >= VT_CONST || |
| 10472 | (vtop->r & VT_LVAL) || |
| 10473 | !(reg_classes[r] & rc) || |
| 10474 | ((vtop->type.t & VT_BTYPE) == VT_LLONG && |
| 10475 | !(reg_classes[vtop->r2] & rc))) { |
| 10476 | r = get_reg(rc); |
| 10477 | if ((vtop->type.t & VT_BTYPE) == VT_LLONG) { |
| 10478 | /* two register type load : expand to two words |
| 10479 | temporarily */ |
| 10480 | if ((vtop->r & (VT_VALMASK | VT_LVAL)) == VT_CONST) { |
| 10481 | /* load constant */ |
| 10482 | ll = vtop->c.ull; |
| 10483 | vtop->c.ui = ll; /* first word */ |
| 10484 | load(r, vtop); |
| 10485 | vtop->r = r; /* save register value */ |
| 10486 | vpushi(ll >> 32); /* second word */ |
| 10487 | } else if (r >= VT_CONST || /* XXX: test to VT_CONST incorrect ? */ |
| 10488 | (vtop->r & VT_LVAL)) { |
| 10489 | /* We do not want to modifier the long long |
| 10490 | pointer here, so the safest (and less |
| 10491 | efficient) is to save all the other registers |
| 10492 | in the stack. XXX: totally inefficient. */ |
| 10493 | save_regs(1); |
| 10494 | /* load from memory */ |
| 10495 | load(r, vtop); |
| 10496 | vdup(); |
| 10497 | vtop[-1].r = r; /* save register value */ |
| 10498 | /* increment pointer to get second word */ |
| 10499 | vtop->type.t = VT_INT; |
| 10500 | gaddrof(); |
| 10501 | vpushi(4); |
| 10502 | gen_op('+'); |
| 10503 | vtop->r |= VT_LVAL; |
| 10504 | } else { |
| 10505 | /* move registers */ |
| 10506 | load(r, vtop); |
| 10507 | vdup(); |
| 10508 | vtop[-1].r = r; /* save register value */ |
| 10509 | vtop->r = vtop[-1].r2; |
| 10510 | } |
| 10511 | /* allocate second register */ |
| 10512 | rc2 = RC_INT; |
| 10513 | if (rc == RC_IRET) |
| 10514 | rc2 = RC_LRET; |
| 10515 | r2 = get_reg(rc2); |
| 10516 | load(r2, vtop); |
| 10517 | vpop(); |
| 10518 | /* write second register */ |
| 10519 | vtop->r2 = r2; |
| 10520 | } else if ((vtop->r & VT_LVAL) && !is_float(vtop->type.t)) { |
| 10521 | int t1, t; |
| 10522 | /* lvalue of scalar type : need to use lvalue type |
| 10523 | because of possible cast */ |
| 10524 | t = vtop->type.t; |
| 10525 | t1 = t; |
| 10526 | /* compute memory access type */ |
| 10527 | if (vtop->r & VT_LVAL_BYTE) |
| 10528 | t = VT_BYTE; |
| 10529 | else if (vtop->r & VT_LVAL_SHORT) |
| 10530 | t = VT_SHORT; |
| 10531 | if (vtop->r & VT_LVAL_UNSIGNED) |
| 10532 | t |= VT_UNSIGNED; |
| 10533 | vtop->type.t = t; |
| 10534 | load(r, vtop); |
| 10535 | /* restore wanted type */ |
| 10536 | vtop->type.t = t1; |
| 10537 | } else { |
| 10538 | /* one register type load */ |
| 10539 | load(r, vtop); |
| 10540 | } |
| 10541 | } |
| 10542 | vtop->r = r; |
| 10543 | #ifdef TCC_TARGET_C67 |
| 10544 | /* uses register pairs for doubles */ |
| 10545 | if ((vtop->type.t & VT_BTYPE) == VT_DOUBLE) |
| 10546 | vtop->r2 = r+1; |
| 10547 | #endif |
| 10548 | } |
| 10549 | return r; |
| 10550 | } |
| 10551 | |
| 10552 | /* generate vtop[-1] and vtop[0] in resp. classes rc1 and rc2 */ |
| 10553 | void gv2(int rc1, int rc2) |
| 10554 | { |
| 10555 | int v; |
| 10556 | |
| 10557 | /* generate more generic register first. But VT_JMP or VT_CMP |
| 10558 | values must be generated first in all cases to avoid possible |
| 10559 | reload errors */ |
| 10560 | v = vtop[0].r & VT_VALMASK; |
| 10561 | if (v != VT_CMP && (v & ~1) != VT_JMP && rc1 <= rc2) { |
| 10562 | vswap(); |
| 10563 | gv(rc1); |
| 10564 | vswap(); |
| 10565 | gv(rc2); |
| 10566 | /* test if reload is needed for first register */ |
| 10567 | if ((vtop[-1].r & VT_VALMASK) >= VT_CONST) { |
| 10568 | vswap(); |
| 10569 | gv(rc1); |
| 10570 | vswap(); |
| 10571 | } |
| 10572 | } else { |
| 10573 | gv(rc2); |
| 10574 | vswap(); |
| 10575 | gv(rc1); |
| 10576 | vswap(); |
| 10577 | /* test if reload is needed for first register */ |
| 10578 | if ((vtop[0].r & VT_VALMASK) >= VT_CONST) { |
| 10579 | gv(rc2); |
| 10580 | } |
| 10581 | } |
| 10582 | } |
| 10583 | |
| 10584 | /* expand long long on stack in two int registers */ |
| 10585 | void lexpand(void) |
| 10586 | { |
| 10587 | int u; |
| 10588 | |
| 10589 | u = vtop->type.t & VT_UNSIGNED; |
| 10590 | gv(RC_INT); |
| 10591 | vdup(); |
| 10592 | vtop[0].r = vtop[-1].r2; |
| 10593 | vtop[0].r2 = VT_CONST; |
| 10594 | vtop[-1].r2 = VT_CONST; |
| 10595 | vtop[0].type.t = VT_INT | u; |
| 10596 | vtop[-1].type.t = VT_INT | u; |
| 10597 | } |
| 10598 | |
| 10599 | #ifdef TCC_TARGET_ARM |
| 10600 | /* expand long long on stack */ |
| 10601 | void lexpand_nr(void) |
| 10602 | { |
| 10603 | int u,v; |
| 10604 | |
| 10605 | u = vtop->type.t & VT_UNSIGNED; |
| 10606 | vdup(); |
| 10607 | vtop->r2 = VT_CONST; |
| 10608 | vtop->type.t = VT_INT | u; |
| 10609 | v=vtop[-1].r & (VT_VALMASK | VT_LVAL); |
| 10610 | if (v == VT_CONST) { |
| 10611 | vtop[-1].c.ui = vtop->c.ull; |
| 10612 | vtop->c.ui = vtop->c.ull >> 32; |
| 10613 | vtop->r = VT_CONST; |
| 10614 | } else if (v == (VT_LVAL|VT_CONST) || v == (VT_LVAL|VT_LOCAL)) { |
| 10615 | vtop->c.ui += 4; |
| 10616 | vtop->r = vtop[-1].r; |
| 10617 | } else if (v > VT_CONST) { |
| 10618 | vtop--; |
| 10619 | lexpand(); |
| 10620 | } else |
| 10621 | vtop->r = vtop[-1].r2; |
| 10622 | vtop[-1].r2 = VT_CONST; |
| 10623 | vtop[-1].type.t = VT_INT | u; |
| 10624 | } |
| 10625 | #endif |
| 10626 | |
| 10627 | /* build a long long from two ints */ |
| 10628 | void lbuild(int t) |
| 10629 | { |
| 10630 | gv2(RC_INT, RC_INT); |
| 10631 | vtop[-1].r2 = vtop[0].r; |
| 10632 | vtop[-1].type.t = t; |
| 10633 | vpop(); |
| 10634 | } |
| 10635 | |
| 10636 | /* rotate n first stack elements to the bottom |
| 10637 | I1 ... In -> I2 ... In I1 [top is right] |
| 10638 | */ |
| 10639 | void vrotb(int n) |
| 10640 | { |
| 10641 | int i; |
| 10642 | SValue tmp; |
| 10643 | |
| 10644 | tmp = vtop[-n + 1]; |
| 10645 | for(i=-n+1;i!=0;i++) |
| 10646 | vtop[i] = vtop[i+1]; |
| 10647 | vtop[0] = tmp; |
| 10648 | } |
| 10649 | |
| 10650 | /* rotate n first stack elements to the top |
| 10651 | I1 ... In -> In I1 ... I(n-1) [top is right] |
| 10652 | */ |
| 10653 | void vrott(int n) |
| 10654 | { |
| 10655 | int i; |
| 10656 | SValue tmp; |
| 10657 | |
| 10658 | tmp = vtop[0]; |
| 10659 | for(i = 0;i < n - 1; i++) |
| 10660 | vtop[-i] = vtop[-i - 1]; |
| 10661 | vtop[-n + 1] = tmp; |
| 10662 | } |
| 10663 | |
| 10664 | #ifdef TCC_TARGET_ARM |
| 10665 | /* like vrott but in other direction |
| 10666 | In ... I1 -> I(n-1) ... I1 In [top is right] |
| 10667 | */ |
| 10668 | void vnrott(int n) |
| 10669 | { |
| 10670 | int i; |
| 10671 | SValue tmp; |
| 10672 | |
| 10673 | tmp = vtop[-n + 1]; |
| 10674 | for(i = n - 1; i > 0; i--) |
| 10675 | vtop[-i] = vtop[-i + 1]; |
| 10676 | vtop[0] = tmp; |
| 10677 | } |
| 10678 | #endif |
| 10679 | |
| 10680 | /* pop stack value */ |
| 10681 | void vpop(void) |
| 10682 | { |
| 10683 | int v; |
| 10684 | v = vtop->r & VT_VALMASK; |
| 10685 | #ifdef TCC_TARGET_I386 |
| 10686 | /* for x86, we need to pop the FP stack */ |
| 10687 | if (v == TREG_ST0 && !nocode_wanted) { |
| 10688 | o(0xd9dd); /* fstp %st(1) */ |
| 10689 | } else |
| 10690 | #endif |
| 10691 | if (v == VT_JMP || v == VT_JMPI) { |
| 10692 | /* need to put correct jump if && or || without test */ |
| 10693 | gsym(vtop->c.ul); |
| 10694 | } |
| 10695 | vtop--; |
| 10696 | } |
| 10697 | |
| 10698 | /* convert stack entry to register and duplicate its value in another |
| 10699 | register */ |
| 10700 | void gv_dup(void) |
| 10701 | { |
| 10702 | int rc, t, r, r1; |
| 10703 | SValue sv; |
| 10704 | |
| 10705 | t = vtop->type.t; |
| 10706 | if ((t & VT_BTYPE) == VT_LLONG) { |
| 10707 | lexpand(); |
| 10708 | gv_dup(); |
| 10709 | vswap(); |
| 10710 | vrotb(3); |
| 10711 | gv_dup(); |
| 10712 | vrotb(4); |
| 10713 | /* stack: H L L1 H1 */ |
| 10714 | lbuild(t); |
| 10715 | vrotb(3); |
| 10716 | vrotb(3); |
| 10717 | vswap(); |
| 10718 | lbuild(t); |
| 10719 | vswap(); |
| 10720 | } else { |
| 10721 | /* duplicate value */ |
| 10722 | rc = RC_INT; |
| 10723 | sv.type.t = VT_INT; |
| 10724 | if (is_float(t)) { |
| 10725 | rc = RC_FLOAT; |
| 10726 | sv.type.t = t; |
| 10727 | } |
| 10728 | r = gv(rc); |
| 10729 | r1 = get_reg(rc); |
| 10730 | sv.r = r; |
| 10731 | sv.c.ul = 0; |
| 10732 | load(r1, &sv); /* move r to r1 */ |
| 10733 | vdup(); |
| 10734 | /* duplicates value */ |
| 10735 | vtop->r = r1; |
| 10736 | } |
| 10737 | } |
| 10738 | |
| 10739 | /* generate CPU independent (unsigned) long long operations */ |
| 10740 | void gen_opl(int op) |
| 10741 | { |
| 10742 | int t, a, b, op1, c, i; |
| 10743 | int func; |
| 10744 | SValue tmp; |
| 10745 | |
| 10746 | switch(op) { |
| 10747 | case '/': |
| 10748 | case TOK_PDIV: |
| 10749 | func = TOK___divdi3; |
| 10750 | goto gen_func; |
| 10751 | case TOK_UDIV: |
| 10752 | func = TOK___udivdi3; |
| 10753 | goto gen_func; |
| 10754 | case '%': |
| 10755 | func = TOK___moddi3; |
| 10756 | goto gen_func; |
| 10757 | case TOK_UMOD: |
| 10758 | func = TOK___umoddi3; |
| 10759 | gen_func: |
| 10760 | /* call generic long long function */ |
| 10761 | vpush_global_sym(&func_old_type, func); |
| 10762 | vrott(3); |
| 10763 | gfunc_call(2); |
| 10764 | vpushi(0); |
| 10765 | vtop->r = REG_IRET; |
| 10766 | vtop->r2 = REG_LRET; |
| 10767 | break; |
| 10768 | case '^': |
| 10769 | case '&': |
| 10770 | case '|': |
| 10771 | case '*': |
| 10772 | case '+': |
| 10773 | case '-': |
| 10774 | t = vtop->type.t; |
| 10775 | vswap(); |
| 10776 | lexpand(); |
| 10777 | vrotb(3); |
| 10778 | lexpand(); |
| 10779 | /* stack: L1 H1 L2 H2 */ |
| 10780 | tmp = vtop[0]; |
| 10781 | vtop[0] = vtop[-3]; |
| 10782 | vtop[-3] = tmp; |
| 10783 | tmp = vtop[-2]; |
| 10784 | vtop[-2] = vtop[-3]; |
| 10785 | vtop[-3] = tmp; |
| 10786 | vswap(); |
| 10787 | /* stack: H1 H2 L1 L2 */ |
| 10788 | if (op == '*') { |
| 10789 | vpushv(vtop - 1); |
| 10790 | vpushv(vtop - 1); |
| 10791 | gen_op(TOK_UMULL); |
| 10792 | lexpand(); |
| 10793 | /* stack: H1 H2 L1 L2 ML MH */ |
| 10794 | for(i=0;i<4;i++) |
| 10795 | vrotb(6); |
| 10796 | /* stack: ML MH H1 H2 L1 L2 */ |
| 10797 | tmp = vtop[0]; |
| 10798 | vtop[0] = vtop[-2]; |
| 10799 | vtop[-2] = tmp; |
| 10800 | /* stack: ML MH H1 L2 H2 L1 */ |
| 10801 | gen_op('*'); |
| 10802 | vrotb(3); |
| 10803 | vrotb(3); |
| 10804 | gen_op('*'); |
| 10805 | /* stack: ML MH M1 M2 */ |
| 10806 | gen_op('+'); |
| 10807 | gen_op('+'); |
| 10808 | } else if (op == '+' || op == '-') { |
| 10809 | /* XXX: add non carry method too (for MIPS or alpha) */ |
| 10810 | if (op == '+') |
| 10811 | op1 = TOK_ADDC1; |
| 10812 | else |
| 10813 | op1 = TOK_SUBC1; |
| 10814 | gen_op(op1); |
| 10815 | /* stack: H1 H2 (L1 op L2) */ |
| 10816 | vrotb(3); |
| 10817 | vrotb(3); |
| 10818 | gen_op(op1 + 1); /* TOK_xxxC2 */ |
| 10819 | } else { |
| 10820 | gen_op(op); |
| 10821 | /* stack: H1 H2 (L1 op L2) */ |
| 10822 | vrotb(3); |
| 10823 | vrotb(3); |
| 10824 | /* stack: (L1 op L2) H1 H2 */ |
| 10825 | gen_op(op); |
| 10826 | /* stack: (L1 op L2) (H1 op H2) */ |
| 10827 | } |
| 10828 | /* stack: L H */ |
| 10829 | lbuild(t); |
| 10830 | break; |
| 10831 | case TOK_SAR: |
| 10832 | case TOK_SHR: |
| 10833 | case TOK_SHL: |
| 10834 | if ((vtop->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST) { |
| 10835 | t = vtop[-1].type.t; |
| 10836 | vswap(); |
| 10837 | lexpand(); |
| 10838 | vrotb(3); |
| 10839 | /* stack: L H shift */ |
| 10840 | c = (int)vtop->c.i; |
| 10841 | /* constant: simpler */ |
| 10842 | /* NOTE: all comments are for SHL. the other cases are |
| 10843 | done by swaping words */ |
| 10844 | vpop(); |
| 10845 | if (op != TOK_SHL) |
| 10846 | vswap(); |
| 10847 | if (c >= 32) { |
| 10848 | /* stack: L H */ |
| 10849 | vpop(); |
| 10850 | if (c > 32) { |
| 10851 | vpushi(c - 32); |
| 10852 | gen_op(op); |
| 10853 | } |
| 10854 | if (op != TOK_SAR) { |
| 10855 | vpushi(0); |
| 10856 | } else { |
| 10857 | gv_dup(); |
| 10858 | vpushi(31); |
| 10859 | gen_op(TOK_SAR); |
| 10860 | } |
| 10861 | vswap(); |
| 10862 | } else { |
| 10863 | vswap(); |
| 10864 | gv_dup(); |
| 10865 | /* stack: H L L */ |
| 10866 | vpushi(c); |
| 10867 | gen_op(op); |
| 10868 | vswap(); |
| 10869 | vpushi(32 - c); |
| 10870 | if (op == TOK_SHL) |
| 10871 | gen_op(TOK_SHR); |
| 10872 | else |
| 10873 | gen_op(TOK_SHL); |
| 10874 | vrotb(3); |
| 10875 | /* stack: L L H */ |
| 10876 | vpushi(c); |
| 10877 | if (op == TOK_SHL) |
| 10878 | gen_op(TOK_SHL); |
| 10879 | else |
| 10880 | gen_op(TOK_SHR); |
| 10881 | gen_op('|'); |
| 10882 | } |
| 10883 | if (op != TOK_SHL) |
| 10884 | vswap(); |
| 10885 | lbuild(t); |
| 10886 | } else { |
| 10887 | /* XXX: should provide a faster fallback on x86 ? */ |
| 10888 | switch(op) { |
| 10889 | case TOK_SAR: |
| 10890 | func = TOK___sardi3; |
| 10891 | goto gen_func; |
| 10892 | case TOK_SHR: |
| 10893 | func = TOK___shrdi3; |
| 10894 | goto gen_func; |
| 10895 | case TOK_SHL: |
| 10896 | func = TOK___shldi3; |
| 10897 | goto gen_func; |
| 10898 | } |
| 10899 | } |
| 10900 | break; |
| 10901 | default: |
| 10902 | /* compare operations */ |
| 10903 | t = vtop->type.t; |
| 10904 | vswap(); |
| 10905 | lexpand(); |
| 10906 | vrotb(3); |
| 10907 | lexpand(); |
| 10908 | /* stack: L1 H1 L2 H2 */ |
| 10909 | tmp = vtop[-1]; |
| 10910 | vtop[-1] = vtop[-2]; |
| 10911 | vtop[-2] = tmp; |
| 10912 | /* stack: L1 L2 H1 H2 */ |
| 10913 | /* compare high */ |
| 10914 | op1 = op; |
| 10915 | /* when values are equal, we need to compare low words. since |
| 10916 | the jump is inverted, we invert the test too. */ |
| 10917 | if (op1 == TOK_LT) |
| 10918 | op1 = TOK_LE; |
| 10919 | else if (op1 == TOK_GT) |
| 10920 | op1 = TOK_GE; |
| 10921 | else if (op1 == TOK_ULT) |
| 10922 | op1 = TOK_ULE; |
| 10923 | else if (op1 == TOK_UGT) |
| 10924 | op1 = TOK_UGE; |
| 10925 | a = 0; |
| 10926 | b = 0; |
| 10927 | gen_op(op1); |
| 10928 | if (op1 != TOK_NE) { |
| 10929 | a = gtst(1, 0); |
| 10930 | } |
| 10931 | if (op != TOK_EQ) { |
| 10932 | /* generate non equal test */ |
| 10933 | /* XXX: NOT PORTABLE yet */ |
| 10934 | if (a == 0) { |
| 10935 | b = gtst(0, 0); |
| 10936 | } else { |
| 10937 | #if defined(TCC_TARGET_I386) |
| 10938 | b = psym(0x850f, 0); |
| 10939 | #elif defined(TCC_TARGET_ARM) |
| 10940 | b = ind; |
| 10941 | o(0x1A000000 | encbranch(ind, 0, 1)); |
| 10942 | #elif defined(TCC_TARGET_C67) |
| 10943 | error("not implemented"); |
| 10944 | #else |
| 10945 | #error not supported |
| 10946 | #endif |
| 10947 | } |
| 10948 | } |
| 10949 | /* compare low. Always unsigned */ |
| 10950 | op1 = op; |
| 10951 | if (op1 == TOK_LT) |
| 10952 | op1 = TOK_ULT; |
| 10953 | else if (op1 == TOK_LE) |
| 10954 | op1 = TOK_ULE; |
| 10955 | else if (op1 == TOK_GT) |
| 10956 | op1 = TOK_UGT; |
| 10957 | else if (op1 == TOK_GE) |
| 10958 | op1 = TOK_UGE; |
| 10959 | gen_op(op1); |
| 10960 | a = gtst(1, a); |
| 10961 | gsym(b); |
| 10962 | vseti(VT_JMPI, a); |
| 10963 | break; |
| 10964 | } |
| 10965 | } |
| 10966 | |
| 10967 | /* handle integer constant optimizations and various machine |
| 10968 | independent opt */ |
| 10969 | void gen_opic(int op) |
| 10970 | { |
| 10971 | int fc, c1, c2, n; |
| 10972 | SValue *v1, *v2; |
| 10973 | |
| 10974 | v1 = vtop - 1; |
| 10975 | v2 = vtop; |
| 10976 | /* currently, we cannot do computations with forward symbols */ |
| 10977 | c1 = (v1->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST; |
| 10978 | c2 = (v2->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST; |
| 10979 | if (c1 && c2) { |
| 10980 | fc = v2->c.i; |
| 10981 | switch(op) { |
| 10982 | case '+': v1->c.i += fc; break; |
| 10983 | case '-': v1->c.i -= fc; break; |
| 10984 | case '&': v1->c.i &= fc; break; |
| 10985 | case '^': v1->c.i ^= fc; break; |
| 10986 | case '|': v1->c.i |= fc; break; |
| 10987 | case '*': v1->c.i *= fc; break; |
| 10988 | |
| 10989 | case TOK_PDIV: |
| 10990 | case '/': |
| 10991 | case '%': |
| 10992 | case TOK_UDIV: |
| 10993 | case TOK_UMOD: |
| 10994 | /* if division by zero, generate explicit division */ |
| 10995 | if (fc == 0) { |
| 10996 | if (const_wanted) |
| 10997 | error("division by zero in constant"); |
| 10998 | goto general_case; |
| 10999 | } |
| 11000 | switch(op) { |
| 11001 | default: v1->c.i /= fc; break; |
| 11002 | case '%': v1->c.i %= fc; break; |
| 11003 | case TOK_UDIV: v1->c.i = (unsigned)v1->c.i / fc; break; |
| 11004 | case TOK_UMOD: v1->c.i = (unsigned)v1->c.i % fc; break; |
| 11005 | } |
| 11006 | break; |
| 11007 | case TOK_SHL: v1->c.i <<= fc; break; |
| 11008 | case TOK_SHR: v1->c.i = (unsigned)v1->c.i >> fc; break; |
| 11009 | case TOK_SAR: v1->c.i >>= fc; break; |
| 11010 | /* tests */ |
| 11011 | case TOK_ULT: v1->c.i = (unsigned)v1->c.i < (unsigned)fc; break; |
| 11012 | case TOK_UGE: v1->c.i = (unsigned)v1->c.i >= (unsigned)fc; break; |
| 11013 | case TOK_EQ: v1->c.i = v1->c.i == fc; break; |
| 11014 | case TOK_NE: v1->c.i = v1->c.i != fc; break; |
| 11015 | case TOK_ULE: v1->c.i = (unsigned)v1->c.i <= (unsigned)fc; break; |
| 11016 | case TOK_UGT: v1->c.i = (unsigned)v1->c.i > (unsigned)fc; break; |
| 11017 | case TOK_LT: v1->c.i = v1->c.i < fc; break; |
| 11018 | case TOK_GE: v1->c.i = v1->c.i >= fc; break; |
| 11019 | case TOK_LE: v1->c.i = v1->c.i <= fc; break; |
| 11020 | case TOK_GT: v1->c.i = v1->c.i > fc; break; |
| 11021 | /* logical */ |
| 11022 | case TOK_LAND: v1->c.i = v1->c.i && fc; break; |
| 11023 | case TOK_LOR: v1->c.i = v1->c.i || fc; break; |
| 11024 | default: |
| 11025 | goto general_case; |
| 11026 | } |
| 11027 | vtop--; |
| 11028 | } else { |
| 11029 | /* if commutative ops, put c2 as constant */ |
| 11030 | if (c1 && (op == '+' || op == '&' || op == '^' || |
| 11031 | op == '|' || op == '*')) { |
| 11032 | vswap(); |
| 11033 | swap(&c1, &c2); |
| 11034 | } |
| 11035 | fc = vtop->c.i; |
| 11036 | if (c2 && (((op == '*' || op == '/' || op == TOK_UDIV || |
| 11037 | op == TOK_PDIV) && |
| 11038 | fc == 1) || |
| 11039 | ((op == '+' || op == '-' || op == '|' || op == '^' || |
| 11040 | op == TOK_SHL || op == TOK_SHR || op == TOK_SAR) && |
| 11041 | fc == 0) || |
| 11042 | (op == '&' && |
| 11043 | fc == -1))) { |
| 11044 | /* nothing to do */ |
| 11045 | vtop--; |
| 11046 | } else if (c2 && (op == '*' || op == TOK_PDIV || op == TOK_UDIV)) { |
| 11047 | /* try to use shifts instead of muls or divs */ |
| 11048 | if (fc > 0 && (fc & (fc - 1)) == 0) { |
| 11049 | n = -1; |
| 11050 | while (fc) { |
| 11051 | fc >>= 1; |
| 11052 | n++; |
| 11053 | } |
| 11054 | vtop->c.i = n; |
| 11055 | if (op == '*') |
| 11056 | op = TOK_SHL; |
| 11057 | else if (op == TOK_PDIV) |
| 11058 | op = TOK_SAR; |
| 11059 | else |
| 11060 | op = TOK_SHR; |
| 11061 | } |
| 11062 | goto general_case; |
| 11063 | } else if (c2 && (op == '+' || op == '-') && |
| 11064 | (vtop[-1].r & (VT_VALMASK | VT_LVAL | VT_SYM)) == |
| 11065 | (VT_CONST | VT_SYM)) { |
| 11066 | /* symbol + constant case */ |
| 11067 | if (op == '-') |
| 11068 | fc = -fc; |
| 11069 | vtop--; |
| 11070 | vtop->c.i += fc; |
| 11071 | } else { |
| 11072 | general_case: |
| 11073 | if (!nocode_wanted) { |
| 11074 | /* call low level op generator */ |
| 11075 | gen_opi(op); |
| 11076 | } else { |
| 11077 | vtop--; |
| 11078 | } |
| 11079 | } |
| 11080 | } |
| 11081 | } |
| 11082 | |
| 11083 | /* generate a floating point operation with constant propagation */ |
| 11084 | void gen_opif(int op) |
| 11085 | { |
| 11086 | int c1, c2; |
| 11087 | SValue *v1, *v2; |
| 11088 | long double f1, f2; |
| 11089 | |
| 11090 | v1 = vtop - 1; |
| 11091 | v2 = vtop; |
| 11092 | /* currently, we cannot do computations with forward symbols */ |
| 11093 | c1 = (v1->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST; |
| 11094 | c2 = (v2->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST; |
| 11095 | if (c1 && c2) { |
| 11096 | if (v1->type.t == VT_FLOAT) { |
| 11097 | f1 = v1->c.f; |
| 11098 | f2 = v2->c.f; |
| 11099 | } else if (v1->type.t == VT_DOUBLE) { |
| 11100 | f1 = v1->c.d; |
| 11101 | f2 = v2->c.d; |
| 11102 | } else { |
| 11103 | f1 = v1->c.ld; |
| 11104 | f2 = v2->c.ld; |
| 11105 | } |
| 11106 | |
| 11107 | /* NOTE: we only do constant propagation if finite number (not |
| 11108 | NaN or infinity) (ANSI spec) */ |
| 11109 | if (!ieee_finite(f1) || !ieee_finite(f2)) |
| 11110 | goto general_case; |
| 11111 | |
| 11112 | switch(op) { |
| 11113 | case '+': f1 += f2; break; |
| 11114 | case '-': f1 -= f2; break; |
| 11115 | case '*': f1 *= f2; break; |
| 11116 | case '/': |
| 11117 | if (f2 == 0.0) { |
| 11118 | if (const_wanted) |
| 11119 | error("division by zero in constant"); |
| 11120 | goto general_case; |
| 11121 | } |
| 11122 | f1 /= f2; |
| 11123 | break; |
| 11124 | /* XXX: also handles tests ? */ |
| 11125 | default: |
| 11126 | goto general_case; |
| 11127 | } |
| 11128 | /* XXX: overflow test ? */ |
| 11129 | if (v1->type.t == VT_FLOAT) { |
| 11130 | v1->c.f = f1; |
| 11131 | } else if (v1->type.t == VT_DOUBLE) { |
| 11132 | v1->c.d = f1; |
| 11133 | } else { |
| 11134 | v1->c.ld = f1; |
| 11135 | } |
| 11136 | vtop--; |
| 11137 | } else { |
| 11138 | general_case: |
| 11139 | if (!nocode_wanted) { |
| 11140 | gen_opf(op); |
| 11141 | } else { |
| 11142 | vtop--; |
| 11143 | } |
| 11144 | } |
| 11145 | } |
| 11146 | |
njn | a30bec8 | 2006-03-30 10:26:44 +0000 | [diff] [blame] | 11147 | /* return the pointed type of t */ |
| 11148 | static inline CType *pointed_type(CType *type) |
| 11149 | { |
| 11150 | return &type->ref->type; |
| 11151 | } |
| 11152 | |
njn | 99c8558 | 2005-12-20 23:02:43 +0000 | [diff] [blame] | 11153 | static int pointed_size(CType *type) |
| 11154 | { |
| 11155 | int align; |
| 11156 | return type_size(pointed_type(type), &align); |
| 11157 | } |
| 11158 | |
| 11159 | static inline int is_null_pointer(SValue *p) |
| 11160 | { |
| 11161 | if ((p->r & (VT_VALMASK | VT_LVAL | VT_SYM)) != VT_CONST) |
| 11162 | return 0; |
| 11163 | return ((p->type.t & VT_BTYPE) == VT_INT && p->c.i == 0) || |
| 11164 | ((p->type.t & VT_BTYPE) == VT_LLONG && p->c.ll == 0); |
| 11165 | } |
| 11166 | |
| 11167 | static inline int is_integer_btype(int bt) |
| 11168 | { |
| 11169 | return (bt == VT_BYTE || bt == VT_SHORT || |
| 11170 | bt == VT_INT || bt == VT_LLONG); |
| 11171 | } |
| 11172 | |
| 11173 | /* check types for comparison or substraction of pointers */ |
| 11174 | static void check_comparison_pointer_types(SValue *p1, SValue *p2, int op) |
| 11175 | { |
| 11176 | CType *type1, *type2, tmp_type1, tmp_type2; |
| 11177 | int bt1, bt2; |
| 11178 | |
| 11179 | /* null pointers are accepted for all comparisons as gcc */ |
| 11180 | if (is_null_pointer(p1) || is_null_pointer(p2)) |
| 11181 | return; |
| 11182 | type1 = &p1->type; |
| 11183 | type2 = &p2->type; |
| 11184 | bt1 = type1->t & VT_BTYPE; |
| 11185 | bt2 = type2->t & VT_BTYPE; |
| 11186 | /* accept comparison between pointer and integer with a warning */ |
| 11187 | if ((is_integer_btype(bt1) || is_integer_btype(bt2)) && op != '-') { |
| 11188 | warning("comparison between pointer and integer"); |
| 11189 | return; |
| 11190 | } |
| 11191 | |
| 11192 | /* both must be pointers or implicit function pointers */ |
| 11193 | if (bt1 == VT_PTR) { |
| 11194 | type1 = pointed_type(type1); |
| 11195 | } else if (bt1 != VT_FUNC) |
| 11196 | goto invalid_operands; |
| 11197 | |
| 11198 | if (bt2 == VT_PTR) { |
| 11199 | type2 = pointed_type(type2); |
| 11200 | } else if (bt2 != VT_FUNC) { |
| 11201 | invalid_operands: |
| 11202 | error("invalid operands to binary %s", get_tok_str(op, NULL)); |
| 11203 | } |
| 11204 | if ((type1->t & VT_BTYPE) == VT_VOID || |
| 11205 | (type2->t & VT_BTYPE) == VT_VOID) |
| 11206 | return; |
| 11207 | tmp_type1 = *type1; |
| 11208 | tmp_type2 = *type2; |
| 11209 | tmp_type1.t &= ~(VT_UNSIGNED | VT_CONSTANT | VT_VOLATILE); |
| 11210 | tmp_type2.t &= ~(VT_UNSIGNED | VT_CONSTANT | VT_VOLATILE); |
| 11211 | if (!is_compatible_types(&tmp_type1, &tmp_type2)) { |
| 11212 | /* gcc-like error if '-' is used */ |
| 11213 | if (op == '-') |
| 11214 | goto invalid_operands; |
| 11215 | else |
| 11216 | warning("comparison of distinct pointer types lacks a cast"); |
| 11217 | } |
| 11218 | } |
| 11219 | |
| 11220 | /* generic gen_op: handles types problems */ |
| 11221 | void gen_op(int op) |
| 11222 | { |
| 11223 | int u, t1, t2, bt1, bt2, t; |
| 11224 | CType type1; |
| 11225 | |
| 11226 | t1 = vtop[-1].type.t; |
| 11227 | t2 = vtop[0].type.t; |
| 11228 | bt1 = t1 & VT_BTYPE; |
| 11229 | bt2 = t2 & VT_BTYPE; |
| 11230 | |
| 11231 | if (bt1 == VT_PTR || bt2 == VT_PTR) { |
| 11232 | /* at least one operand is a pointer */ |
| 11233 | /* relationnal op: must be both pointers */ |
| 11234 | if (op >= TOK_ULT && op <= TOK_GT) { |
| 11235 | check_comparison_pointer_types(vtop - 1, vtop, op); |
| 11236 | /* pointers are handled are unsigned */ |
| 11237 | t = VT_INT | VT_UNSIGNED; |
| 11238 | goto std_op; |
| 11239 | } |
| 11240 | /* if both pointers, then it must be the '-' op */ |
| 11241 | if (bt1 == VT_PTR && bt2 == VT_PTR) { |
| 11242 | if (op != '-') |
| 11243 | error("cannot use pointers here"); |
| 11244 | check_comparison_pointer_types(vtop - 1, vtop, op); |
| 11245 | /* XXX: check that types are compatible */ |
| 11246 | u = pointed_size(&vtop[-1].type); |
| 11247 | gen_opic(op); |
| 11248 | /* set to integer type */ |
| 11249 | vtop->type.t = VT_INT; |
| 11250 | vpushi(u); |
| 11251 | gen_op(TOK_PDIV); |
| 11252 | } else { |
| 11253 | /* exactly one pointer : must be '+' or '-'. */ |
| 11254 | if (op != '-' && op != '+') |
| 11255 | error("cannot use pointers here"); |
| 11256 | /* Put pointer as first operand */ |
| 11257 | if (bt2 == VT_PTR) { |
| 11258 | vswap(); |
| 11259 | swap(&t1, &t2); |
| 11260 | } |
| 11261 | type1 = vtop[-1].type; |
| 11262 | /* XXX: cast to int ? (long long case) */ |
| 11263 | vpushi(pointed_size(&vtop[-1].type)); |
| 11264 | gen_op('*'); |
| 11265 | #ifdef CONFIG_TCC_BCHECK |
| 11266 | /* if evaluating constant expression, no code should be |
| 11267 | generated, so no bound check */ |
| 11268 | if (do_bounds_check && !const_wanted) { |
| 11269 | /* if bounded pointers, we generate a special code to |
| 11270 | test bounds */ |
| 11271 | if (op == '-') { |
| 11272 | vpushi(0); |
| 11273 | vswap(); |
| 11274 | gen_op('-'); |
| 11275 | } |
| 11276 | gen_bounded_ptr_add(); |
| 11277 | } else |
| 11278 | #endif |
| 11279 | { |
| 11280 | gen_opic(op); |
| 11281 | } |
| 11282 | /* put again type if gen_opic() swaped operands */ |
| 11283 | vtop->type = type1; |
| 11284 | } |
| 11285 | } else if (is_float(bt1) || is_float(bt2)) { |
| 11286 | /* compute bigger type and do implicit casts */ |
| 11287 | if (bt1 == VT_LDOUBLE || bt2 == VT_LDOUBLE) { |
| 11288 | t = VT_LDOUBLE; |
| 11289 | } else if (bt1 == VT_DOUBLE || bt2 == VT_DOUBLE) { |
| 11290 | t = VT_DOUBLE; |
| 11291 | } else { |
| 11292 | t = VT_FLOAT; |
| 11293 | } |
| 11294 | /* floats can only be used for a few operations */ |
| 11295 | if (op != '+' && op != '-' && op != '*' && op != '/' && |
| 11296 | (op < TOK_ULT || op > TOK_GT)) |
| 11297 | error("invalid operands for binary operation"); |
| 11298 | goto std_op; |
| 11299 | } else if (bt1 == VT_LLONG || bt2 == VT_LLONG) { |
| 11300 | /* cast to biggest op */ |
| 11301 | t = VT_LLONG; |
| 11302 | /* convert to unsigned if it does not fit in a long long */ |
| 11303 | if ((t1 & (VT_BTYPE | VT_UNSIGNED)) == (VT_LLONG | VT_UNSIGNED) || |
| 11304 | (t2 & (VT_BTYPE | VT_UNSIGNED)) == (VT_LLONG | VT_UNSIGNED)) |
| 11305 | t |= VT_UNSIGNED; |
| 11306 | goto std_op; |
| 11307 | } else { |
| 11308 | /* integer operations */ |
| 11309 | t = VT_INT; |
| 11310 | /* convert to unsigned if it does not fit in an integer */ |
| 11311 | if ((t1 & (VT_BTYPE | VT_UNSIGNED)) == (VT_INT | VT_UNSIGNED) || |
| 11312 | (t2 & (VT_BTYPE | VT_UNSIGNED)) == (VT_INT | VT_UNSIGNED)) |
| 11313 | t |= VT_UNSIGNED; |
| 11314 | std_op: |
| 11315 | /* XXX: currently, some unsigned operations are explicit, so |
| 11316 | we modify them here */ |
| 11317 | if (t & VT_UNSIGNED) { |
| 11318 | if (op == TOK_SAR) |
| 11319 | op = TOK_SHR; |
| 11320 | else if (op == '/') |
| 11321 | op = TOK_UDIV; |
| 11322 | else if (op == '%') |
| 11323 | op = TOK_UMOD; |
| 11324 | else if (op == TOK_LT) |
| 11325 | op = TOK_ULT; |
| 11326 | else if (op == TOK_GT) |
| 11327 | op = TOK_UGT; |
| 11328 | else if (op == TOK_LE) |
| 11329 | op = TOK_ULE; |
| 11330 | else if (op == TOK_GE) |
| 11331 | op = TOK_UGE; |
| 11332 | } |
| 11333 | vswap(); |
| 11334 | type1.t = t; |
| 11335 | gen_cast(&type1); |
| 11336 | vswap(); |
| 11337 | /* special case for shifts and long long: we keep the shift as |
| 11338 | an integer */ |
| 11339 | if (op == TOK_SHR || op == TOK_SAR || op == TOK_SHL) |
| 11340 | type1.t = VT_INT; |
| 11341 | gen_cast(&type1); |
| 11342 | if (is_float(t)) |
| 11343 | gen_opif(op); |
| 11344 | else if ((t & VT_BTYPE) == VT_LLONG) |
| 11345 | gen_opl(op); |
| 11346 | else |
| 11347 | gen_opic(op); |
| 11348 | if (op >= TOK_ULT && op <= TOK_GT) { |
| 11349 | /* relationnal op: the result is an int */ |
| 11350 | vtop->type.t = VT_INT; |
| 11351 | } else { |
| 11352 | vtop->type.t = t; |
| 11353 | } |
| 11354 | } |
| 11355 | } |
| 11356 | |
| 11357 | /* generic itof for unsigned long long case */ |
| 11358 | void gen_cvt_itof1(int t) |
| 11359 | { |
| 11360 | if ((vtop->type.t & (VT_BTYPE | VT_UNSIGNED)) == |
| 11361 | (VT_LLONG | VT_UNSIGNED)) { |
| 11362 | |
| 11363 | if (t == VT_FLOAT) |
| 11364 | vpush_global_sym(&func_old_type, TOK___ulltof); |
| 11365 | else if (t == VT_DOUBLE) |
| 11366 | vpush_global_sym(&func_old_type, TOK___ulltod); |
| 11367 | else |
| 11368 | vpush_global_sym(&func_old_type, TOK___ulltold); |
| 11369 | vrott(2); |
| 11370 | gfunc_call(1); |
| 11371 | vpushi(0); |
| 11372 | vtop->r = REG_FRET; |
| 11373 | } else { |
| 11374 | gen_cvt_itof(t); |
| 11375 | } |
| 11376 | } |
| 11377 | |
| 11378 | /* generic ftoi for unsigned long long case */ |
| 11379 | void gen_cvt_ftoi1(int t) |
| 11380 | { |
| 11381 | int st; |
| 11382 | |
| 11383 | if (t == (VT_LLONG | VT_UNSIGNED)) { |
| 11384 | /* not handled natively */ |
| 11385 | st = vtop->type.t & VT_BTYPE; |
| 11386 | if (st == VT_FLOAT) |
| 11387 | vpush_global_sym(&func_old_type, TOK___fixunssfdi); |
| 11388 | else if (st == VT_DOUBLE) |
| 11389 | vpush_global_sym(&func_old_type, TOK___fixunsdfdi); |
| 11390 | else |
| 11391 | vpush_global_sym(&func_old_type, TOK___fixunsxfdi); |
| 11392 | vrott(2); |
| 11393 | gfunc_call(1); |
| 11394 | vpushi(0); |
| 11395 | vtop->r = REG_IRET; |
| 11396 | vtop->r2 = REG_LRET; |
| 11397 | } else { |
| 11398 | gen_cvt_ftoi(t); |
| 11399 | } |
| 11400 | } |
| 11401 | |
| 11402 | /* force char or short cast */ |
| 11403 | void force_charshort_cast(int t) |
| 11404 | { |
| 11405 | int bits, dbt; |
| 11406 | dbt = t & VT_BTYPE; |
| 11407 | /* XXX: add optimization if lvalue : just change type and offset */ |
| 11408 | if (dbt == VT_BYTE) |
| 11409 | bits = 8; |
| 11410 | else |
| 11411 | bits = 16; |
| 11412 | if (t & VT_UNSIGNED) { |
| 11413 | vpushi((1 << bits) - 1); |
| 11414 | gen_op('&'); |
| 11415 | } else { |
| 11416 | bits = 32 - bits; |
| 11417 | vpushi(bits); |
| 11418 | gen_op(TOK_SHL); |
| 11419 | vpushi(bits); |
| 11420 | gen_op(TOK_SAR); |
| 11421 | } |
| 11422 | } |
| 11423 | |
| 11424 | /* cast 'vtop' to 'type'. Casting to bitfields is forbidden. */ |
| 11425 | static void gen_cast(CType *type) |
| 11426 | { |
| 11427 | int sbt, dbt, sf, df, c; |
| 11428 | |
| 11429 | /* special delayed cast for char/short */ |
| 11430 | /* XXX: in some cases (multiple cascaded casts), it may still |
| 11431 | be incorrect */ |
| 11432 | if (vtop->r & VT_MUSTCAST) { |
| 11433 | vtop->r &= ~VT_MUSTCAST; |
| 11434 | force_charshort_cast(vtop->type.t); |
| 11435 | } |
| 11436 | |
| 11437 | /* bitfields first get cast to ints */ |
| 11438 | if (vtop->type.t & VT_BITFIELD) { |
| 11439 | gv(RC_INT); |
| 11440 | } |
| 11441 | |
| 11442 | dbt = type->t & (VT_BTYPE | VT_UNSIGNED); |
| 11443 | sbt = vtop->type.t & (VT_BTYPE | VT_UNSIGNED); |
| 11444 | |
| 11445 | if (sbt != dbt && !nocode_wanted) { |
| 11446 | sf = is_float(sbt); |
| 11447 | df = is_float(dbt); |
| 11448 | c = (vtop->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST; |
| 11449 | if (sf && df) { |
| 11450 | /* convert from fp to fp */ |
| 11451 | if (c) { |
| 11452 | /* constant case: we can do it now */ |
| 11453 | /* XXX: in ISOC, cannot do it if error in convert */ |
| 11454 | if (dbt == VT_FLOAT && sbt == VT_DOUBLE) |
| 11455 | vtop->c.f = (float)vtop->c.d; |
| 11456 | else if (dbt == VT_FLOAT && sbt == VT_LDOUBLE) |
| 11457 | vtop->c.f = (float)vtop->c.ld; |
| 11458 | else if (dbt == VT_DOUBLE && sbt == VT_FLOAT) |
| 11459 | vtop->c.d = (double)vtop->c.f; |
| 11460 | else if (dbt == VT_DOUBLE && sbt == VT_LDOUBLE) |
| 11461 | vtop->c.d = (double)vtop->c.ld; |
| 11462 | else if (dbt == VT_LDOUBLE && sbt == VT_FLOAT) |
| 11463 | vtop->c.ld = (long double)vtop->c.f; |
| 11464 | else if (dbt == VT_LDOUBLE && sbt == VT_DOUBLE) |
| 11465 | vtop->c.ld = (long double)vtop->c.d; |
| 11466 | } else { |
| 11467 | /* non constant case: generate code */ |
| 11468 | gen_cvt_ftof(dbt); |
| 11469 | } |
| 11470 | } else if (df) { |
| 11471 | /* convert int to fp */ |
| 11472 | if (c) { |
| 11473 | switch(sbt) { |
| 11474 | case VT_LLONG | VT_UNSIGNED: |
| 11475 | case VT_LLONG: |
| 11476 | /* XXX: add const cases for long long */ |
| 11477 | goto do_itof; |
| 11478 | case VT_INT | VT_UNSIGNED: |
| 11479 | switch(dbt) { |
| 11480 | case VT_FLOAT: vtop->c.f = (float)vtop->c.ui; break; |
| 11481 | case VT_DOUBLE: vtop->c.d = (double)vtop->c.ui; break; |
| 11482 | case VT_LDOUBLE: vtop->c.ld = (long double)vtop->c.ui; break; |
| 11483 | } |
| 11484 | break; |
| 11485 | default: |
| 11486 | switch(dbt) { |
| 11487 | case VT_FLOAT: vtop->c.f = (float)vtop->c.i; break; |
| 11488 | case VT_DOUBLE: vtop->c.d = (double)vtop->c.i; break; |
| 11489 | case VT_LDOUBLE: vtop->c.ld = (long double)vtop->c.i; break; |
| 11490 | } |
| 11491 | break; |
| 11492 | } |
| 11493 | } else { |
| 11494 | do_itof: |
| 11495 | #if !defined(TCC_TARGET_ARM) |
| 11496 | gen_cvt_itof1(dbt); |
| 11497 | #else |
| 11498 | gen_cvt_itof(dbt); |
| 11499 | #endif |
| 11500 | } |
| 11501 | } else if (sf) { |
| 11502 | /* convert fp to int */ |
| 11503 | /* we handle char/short/etc... with generic code */ |
| 11504 | if (dbt != (VT_INT | VT_UNSIGNED) && |
| 11505 | dbt != (VT_LLONG | VT_UNSIGNED) && |
| 11506 | dbt != VT_LLONG) |
| 11507 | dbt = VT_INT; |
| 11508 | if (c) { |
| 11509 | switch(dbt) { |
| 11510 | case VT_LLONG | VT_UNSIGNED: |
| 11511 | case VT_LLONG: |
| 11512 | /* XXX: add const cases for long long */ |
| 11513 | goto do_ftoi; |
| 11514 | case VT_INT | VT_UNSIGNED: |
| 11515 | switch(sbt) { |
| 11516 | case VT_FLOAT: vtop->c.ui = (unsigned int)vtop->c.d; break; |
| 11517 | case VT_DOUBLE: vtop->c.ui = (unsigned int)vtop->c.d; break; |
| 11518 | case VT_LDOUBLE: vtop->c.ui = (unsigned int)vtop->c.d; break; |
| 11519 | } |
| 11520 | break; |
| 11521 | default: |
| 11522 | /* int case */ |
| 11523 | switch(sbt) { |
| 11524 | case VT_FLOAT: vtop->c.i = (int)vtop->c.d; break; |
| 11525 | case VT_DOUBLE: vtop->c.i = (int)vtop->c.d; break; |
| 11526 | case VT_LDOUBLE: vtop->c.i = (int)vtop->c.d; break; |
| 11527 | } |
| 11528 | break; |
| 11529 | } |
| 11530 | } else { |
| 11531 | do_ftoi: |
| 11532 | gen_cvt_ftoi1(dbt); |
| 11533 | } |
| 11534 | if (dbt == VT_INT && (type->t & (VT_BTYPE | VT_UNSIGNED)) != dbt) { |
| 11535 | /* additional cast for char/short/bool... */ |
| 11536 | vtop->type.t = dbt; |
| 11537 | gen_cast(type); |
| 11538 | } |
| 11539 | } else if ((dbt & VT_BTYPE) == VT_LLONG) { |
| 11540 | if ((sbt & VT_BTYPE) != VT_LLONG) { |
| 11541 | /* scalar to long long */ |
| 11542 | if (c) { |
| 11543 | if (sbt == (VT_INT | VT_UNSIGNED)) |
| 11544 | vtop->c.ll = vtop->c.ui; |
| 11545 | else |
| 11546 | vtop->c.ll = vtop->c.i; |
| 11547 | } else { |
| 11548 | /* machine independent conversion */ |
| 11549 | gv(RC_INT); |
| 11550 | /* generate high word */ |
| 11551 | if (sbt == (VT_INT | VT_UNSIGNED)) { |
| 11552 | vpushi(0); |
| 11553 | gv(RC_INT); |
| 11554 | } else { |
| 11555 | gv_dup(); |
| 11556 | vpushi(31); |
| 11557 | gen_op(TOK_SAR); |
| 11558 | } |
| 11559 | /* patch second register */ |
| 11560 | vtop[-1].r2 = vtop->r; |
| 11561 | vpop(); |
| 11562 | } |
| 11563 | } |
| 11564 | } else if (dbt == VT_BOOL) { |
| 11565 | /* scalar to bool */ |
| 11566 | vpushi(0); |
| 11567 | gen_op(TOK_NE); |
| 11568 | } else if ((dbt & VT_BTYPE) == VT_BYTE || |
| 11569 | (dbt & VT_BTYPE) == VT_SHORT) { |
| 11570 | force_charshort_cast(dbt); |
| 11571 | } else if ((dbt & VT_BTYPE) == VT_INT) { |
| 11572 | /* scalar to int */ |
| 11573 | if (sbt == VT_LLONG) { |
| 11574 | /* from long long: just take low order word */ |
| 11575 | lexpand(); |
| 11576 | vpop(); |
| 11577 | } |
| 11578 | /* if lvalue and single word type, nothing to do because |
| 11579 | the lvalue already contains the real type size (see |
| 11580 | VT_LVAL_xxx constants) */ |
| 11581 | } |
| 11582 | } |
| 11583 | vtop->type = *type; |
| 11584 | } |
| 11585 | |
| 11586 | /* return type size. Put alignment at 'a' */ |
| 11587 | static int type_size(CType *type, int *a) |
| 11588 | { |
| 11589 | Sym *s; |
| 11590 | int bt; |
| 11591 | |
| 11592 | bt = type->t & VT_BTYPE; |
| 11593 | if (bt == VT_STRUCT) { |
| 11594 | /* struct/union */ |
| 11595 | s = type->ref; |
| 11596 | *a = s->r; |
| 11597 | return s->c; |
| 11598 | } else if (bt == VT_PTR) { |
| 11599 | if (type->t & VT_ARRAY) { |
| 11600 | s = type->ref; |
| 11601 | return type_size(&s->type, a) * s->c; |
| 11602 | } else { |
| 11603 | *a = PTR_SIZE; |
| 11604 | return PTR_SIZE; |
| 11605 | } |
| 11606 | } else if (bt == VT_LDOUBLE) { |
| 11607 | *a = LDOUBLE_ALIGN; |
| 11608 | return LDOUBLE_SIZE; |
| 11609 | } else if (bt == VT_DOUBLE || bt == VT_LLONG) { |
| 11610 | #ifdef TCC_TARGET_I386 |
| 11611 | *a = 4; |
| 11612 | #else |
| 11613 | *a = 8; |
| 11614 | #endif |
| 11615 | return 8; |
| 11616 | } else if (bt == VT_INT || bt == VT_ENUM || bt == VT_FLOAT) { |
| 11617 | *a = 4; |
| 11618 | return 4; |
| 11619 | } else if (bt == VT_SHORT) { |
| 11620 | *a = 2; |
| 11621 | return 2; |
| 11622 | } else { |
| 11623 | /* char, void, function, _Bool */ |
| 11624 | *a = 1; |
| 11625 | return 1; |
| 11626 | } |
| 11627 | } |
| 11628 | |
njn | 99c8558 | 2005-12-20 23:02:43 +0000 | [diff] [blame] | 11629 | /* modify type so that its it is a pointer to type. */ |
| 11630 | static void mk_pointer(CType *type) |
| 11631 | { |
| 11632 | Sym *s; |
| 11633 | s = sym_push(SYM_FIELD, type, 0, -1); |
| 11634 | type->t = VT_PTR | (type->t & ~VT_TYPE); |
| 11635 | type->ref = s; |
| 11636 | } |
| 11637 | |
| 11638 | /* compare function types. OLD functions match any new functions */ |
| 11639 | static int is_compatible_func(CType *type1, CType *type2) |
| 11640 | { |
| 11641 | Sym *s1, *s2; |
| 11642 | |
| 11643 | s1 = type1->ref; |
| 11644 | s2 = type2->ref; |
| 11645 | if (!is_compatible_types(&s1->type, &s2->type)) |
| 11646 | return 0; |
| 11647 | /* check func_call */ |
| 11648 | if (s1->r != s2->r) |
| 11649 | return 0; |
| 11650 | /* XXX: not complete */ |
| 11651 | if (s1->c == FUNC_OLD || s2->c == FUNC_OLD) |
| 11652 | return 1; |
| 11653 | if (s1->c != s2->c) |
| 11654 | return 0; |
| 11655 | while (s1 != NULL) { |
| 11656 | if (s2 == NULL) |
| 11657 | return 0; |
| 11658 | if (!is_compatible_types(&s1->type, &s2->type)) |
| 11659 | return 0; |
| 11660 | s1 = s1->next; |
| 11661 | s2 = s2->next; |
| 11662 | } |
| 11663 | if (s2) |
| 11664 | return 0; |
| 11665 | return 1; |
| 11666 | } |
| 11667 | |
| 11668 | /* return true if type1 and type2 are exactly the same (including |
| 11669 | qualifiers). |
| 11670 | |
| 11671 | - enums are not checked as gcc __builtin_types_compatible_p () |
| 11672 | */ |
| 11673 | static int is_compatible_types(CType *type1, CType *type2) |
| 11674 | { |
| 11675 | int bt1, t1, t2; |
| 11676 | |
| 11677 | t1 = type1->t & VT_TYPE; |
| 11678 | t2 = type2->t & VT_TYPE; |
| 11679 | /* XXX: bitfields ? */ |
| 11680 | if (t1 != t2) |
| 11681 | return 0; |
| 11682 | /* test more complicated cases */ |
| 11683 | bt1 = t1 & VT_BTYPE; |
| 11684 | if (bt1 == VT_PTR) { |
| 11685 | type1 = pointed_type(type1); |
| 11686 | type2 = pointed_type(type2); |
| 11687 | return is_compatible_types(type1, type2); |
| 11688 | } else if (bt1 == VT_STRUCT) { |
| 11689 | return (type1->ref == type2->ref); |
| 11690 | } else if (bt1 == VT_FUNC) { |
| 11691 | return is_compatible_func(type1, type2); |
| 11692 | } else { |
| 11693 | return 1; |
| 11694 | } |
| 11695 | } |
| 11696 | |
| 11697 | /* print a type. If 'varstr' is not NULL, then the variable is also |
| 11698 | printed in the type */ |
| 11699 | /* XXX: union */ |
| 11700 | /* XXX: add array and function pointers */ |
| 11701 | void type_to_str(char *buf, int buf_size, |
| 11702 | CType *type, const char *varstr) |
| 11703 | { |
| 11704 | int bt, v, t; |
| 11705 | Sym *s, *sa; |
| 11706 | char buf1[256]; |
| 11707 | const char *tstr; |
| 11708 | |
| 11709 | t = type->t & VT_TYPE; |
| 11710 | bt = t & VT_BTYPE; |
| 11711 | buf[0] = '\0'; |
| 11712 | if (t & VT_CONSTANT) |
| 11713 | pstrcat(buf, buf_size, "const "); |
| 11714 | if (t & VT_VOLATILE) |
| 11715 | pstrcat(buf, buf_size, "volatile "); |
| 11716 | if (t & VT_UNSIGNED) |
| 11717 | pstrcat(buf, buf_size, "unsigned "); |
| 11718 | switch(bt) { |
| 11719 | case VT_VOID: |
| 11720 | tstr = "void"; |
| 11721 | goto add_tstr; |
| 11722 | case VT_BOOL: |
| 11723 | tstr = "_Bool"; |
| 11724 | goto add_tstr; |
| 11725 | case VT_BYTE: |
| 11726 | tstr = "char"; |
| 11727 | goto add_tstr; |
| 11728 | case VT_SHORT: |
| 11729 | tstr = "short"; |
| 11730 | goto add_tstr; |
| 11731 | case VT_INT: |
| 11732 | tstr = "int"; |
| 11733 | goto add_tstr; |
| 11734 | case VT_LONG: |
| 11735 | tstr = "long"; |
| 11736 | goto add_tstr; |
| 11737 | case VT_LLONG: |
| 11738 | tstr = "long long"; |
| 11739 | goto add_tstr; |
| 11740 | case VT_FLOAT: |
| 11741 | tstr = "float"; |
| 11742 | goto add_tstr; |
| 11743 | case VT_DOUBLE: |
| 11744 | tstr = "double"; |
| 11745 | goto add_tstr; |
| 11746 | case VT_LDOUBLE: |
| 11747 | tstr = "long double"; |
| 11748 | add_tstr: |
| 11749 | pstrcat(buf, buf_size, tstr); |
| 11750 | break; |
| 11751 | case VT_ENUM: |
| 11752 | case VT_STRUCT: |
| 11753 | if (bt == VT_STRUCT) |
| 11754 | tstr = "struct "; |
| 11755 | else |
| 11756 | tstr = "enum "; |
| 11757 | pstrcat(buf, buf_size, tstr); |
| 11758 | v = type->ref->v & ~SYM_STRUCT; |
| 11759 | if (v >= SYM_FIRST_ANOM) |
| 11760 | pstrcat(buf, buf_size, "<anonymous>"); |
| 11761 | else |
| 11762 | pstrcat(buf, buf_size, get_tok_str(v, NULL)); |
| 11763 | break; |
| 11764 | case VT_FUNC: |
| 11765 | s = type->ref; |
| 11766 | type_to_str(buf, buf_size, &s->type, varstr); |
| 11767 | pstrcat(buf, buf_size, "("); |
| 11768 | sa = s->next; |
| 11769 | while (sa != NULL) { |
| 11770 | type_to_str(buf1, sizeof(buf1), &sa->type, NULL); |
| 11771 | pstrcat(buf, buf_size, buf1); |
| 11772 | sa = sa->next; |
| 11773 | if (sa) |
| 11774 | pstrcat(buf, buf_size, ", "); |
| 11775 | } |
| 11776 | pstrcat(buf, buf_size, ")"); |
| 11777 | goto no_var; |
| 11778 | case VT_PTR: |
| 11779 | s = type->ref; |
| 11780 | pstrcpy(buf1, sizeof(buf1), "*"); |
| 11781 | if (varstr) |
| 11782 | pstrcat(buf1, sizeof(buf1), varstr); |
| 11783 | type_to_str(buf, buf_size, &s->type, buf1); |
| 11784 | goto no_var; |
| 11785 | } |
| 11786 | if (varstr) { |
| 11787 | pstrcat(buf, buf_size, " "); |
| 11788 | pstrcat(buf, buf_size, varstr); |
| 11789 | } |
| 11790 | no_var: ; |
| 11791 | } |
| 11792 | |
| 11793 | /* verify type compatibility to store vtop in 'dt' type, and generate |
| 11794 | casts if needed. */ |
| 11795 | static void gen_assign_cast(CType *dt) |
| 11796 | { |
| 11797 | CType *st, *type1, *type2, tmp_type1, tmp_type2; |
| 11798 | char buf1[256], buf2[256]; |
| 11799 | int dbt, sbt; |
| 11800 | |
| 11801 | st = &vtop->type; /* source type */ |
| 11802 | dbt = dt->t & VT_BTYPE; |
| 11803 | sbt = st->t & VT_BTYPE; |
| 11804 | if (dt->t & VT_CONSTANT) |
| 11805 | warning("assignment of read-only location"); |
| 11806 | switch(dbt) { |
| 11807 | case VT_PTR: |
| 11808 | /* special cases for pointers */ |
| 11809 | /* '0' can also be a pointer */ |
| 11810 | if (is_null_pointer(vtop)) |
| 11811 | goto type_ok; |
| 11812 | /* accept implicit pointer to integer cast with warning */ |
| 11813 | if (is_integer_btype(sbt)) { |
| 11814 | warning("assignment makes pointer from integer without a cast"); |
| 11815 | goto type_ok; |
| 11816 | } |
| 11817 | type1 = pointed_type(dt); |
| 11818 | /* a function is implicitely a function pointer */ |
| 11819 | if (sbt == VT_FUNC) { |
| 11820 | if ((type1->t & VT_BTYPE) != VT_VOID && |
| 11821 | !is_compatible_types(pointed_type(dt), st)) |
| 11822 | goto error; |
| 11823 | else |
| 11824 | goto type_ok; |
| 11825 | } |
| 11826 | if (sbt != VT_PTR) |
| 11827 | goto error; |
| 11828 | type2 = pointed_type(st); |
| 11829 | if ((type1->t & VT_BTYPE) == VT_VOID || |
| 11830 | (type2->t & VT_BTYPE) == VT_VOID) { |
| 11831 | /* void * can match anything */ |
| 11832 | } else { |
| 11833 | /* exact type match, except for unsigned */ |
| 11834 | tmp_type1 = *type1; |
| 11835 | tmp_type2 = *type2; |
| 11836 | tmp_type1.t &= ~(VT_UNSIGNED | VT_CONSTANT | VT_VOLATILE); |
| 11837 | tmp_type2.t &= ~(VT_UNSIGNED | VT_CONSTANT | VT_VOLATILE); |
| 11838 | if (!is_compatible_types(&tmp_type1, &tmp_type2)) |
| 11839 | goto error; |
| 11840 | } |
| 11841 | /* check const and volatile */ |
| 11842 | if ((!(type1->t & VT_CONSTANT) && (type2->t & VT_CONSTANT)) || |
| 11843 | (!(type1->t & VT_VOLATILE) && (type2->t & VT_VOLATILE))) |
| 11844 | warning("assignment discards qualifiers from pointer target type"); |
| 11845 | break; |
| 11846 | case VT_BYTE: |
| 11847 | case VT_SHORT: |
| 11848 | case VT_INT: |
| 11849 | case VT_LLONG: |
| 11850 | if (sbt == VT_PTR || sbt == VT_FUNC) { |
| 11851 | warning("assignment makes integer from pointer without a cast"); |
| 11852 | } |
| 11853 | /* XXX: more tests */ |
| 11854 | break; |
| 11855 | case VT_STRUCT: |
| 11856 | tmp_type1 = *dt; |
| 11857 | tmp_type2 = *st; |
| 11858 | tmp_type1.t &= ~(VT_CONSTANT | VT_VOLATILE); |
| 11859 | tmp_type2.t &= ~(VT_CONSTANT | VT_VOLATILE); |
| 11860 | if (!is_compatible_types(&tmp_type1, &tmp_type2)) { |
| 11861 | error: |
| 11862 | type_to_str(buf1, sizeof(buf1), st, NULL); |
| 11863 | type_to_str(buf2, sizeof(buf2), dt, NULL); |
| 11864 | error("cannot cast '%s' to '%s'", buf1, buf2); |
| 11865 | } |
| 11866 | break; |
| 11867 | } |
| 11868 | type_ok: |
| 11869 | gen_cast(dt); |
| 11870 | } |
| 11871 | |
| 11872 | /* store vtop in lvalue pushed on stack */ |
| 11873 | void vstore(void) |
| 11874 | { |
| 11875 | int sbt, dbt, ft, r, t, size, align, bit_size, bit_pos, rc, delayed_cast; |
| 11876 | |
| 11877 | ft = vtop[-1].type.t; |
| 11878 | sbt = vtop->type.t & VT_BTYPE; |
| 11879 | dbt = ft & VT_BTYPE; |
| 11880 | if (((sbt == VT_INT || sbt == VT_SHORT) && dbt == VT_BYTE) || |
| 11881 | (sbt == VT_INT && dbt == VT_SHORT)) { |
| 11882 | /* optimize char/short casts */ |
| 11883 | delayed_cast = VT_MUSTCAST; |
| 11884 | vtop->type.t = ft & VT_TYPE; |
| 11885 | /* XXX: factorize */ |
| 11886 | if (ft & VT_CONSTANT) |
| 11887 | warning("assignment of read-only location"); |
| 11888 | } else { |
| 11889 | delayed_cast = 0; |
| 11890 | if (!(ft & VT_BITFIELD)) |
| 11891 | gen_assign_cast(&vtop[-1].type); |
| 11892 | } |
| 11893 | |
| 11894 | if (sbt == VT_STRUCT) { |
| 11895 | /* if structure, only generate pointer */ |
| 11896 | /* structure assignment : generate memcpy */ |
| 11897 | /* XXX: optimize if small size */ |
| 11898 | if (!nocode_wanted) { |
| 11899 | size = type_size(&vtop->type, &align); |
| 11900 | |
| 11901 | vpush_global_sym(&func_old_type, TOK_memcpy); |
| 11902 | |
| 11903 | /* destination */ |
| 11904 | vpushv(vtop - 2); |
| 11905 | vtop->type.t = VT_INT; |
| 11906 | gaddrof(); |
| 11907 | /* source */ |
| 11908 | vpushv(vtop - 2); |
| 11909 | vtop->type.t = VT_INT; |
| 11910 | gaddrof(); |
| 11911 | /* type size */ |
| 11912 | vpushi(size); |
| 11913 | gfunc_call(3); |
| 11914 | |
| 11915 | vswap(); |
| 11916 | vpop(); |
| 11917 | } else { |
| 11918 | vswap(); |
| 11919 | vpop(); |
| 11920 | } |
| 11921 | /* leave source on stack */ |
| 11922 | } else if (ft & VT_BITFIELD) { |
| 11923 | /* bitfield store handling */ |
| 11924 | bit_pos = (ft >> VT_STRUCT_SHIFT) & 0x3f; |
| 11925 | bit_size = (ft >> (VT_STRUCT_SHIFT + 6)) & 0x3f; |
| 11926 | /* remove bit field info to avoid loops */ |
| 11927 | vtop[-1].type.t = ft & ~(VT_BITFIELD | (-1 << VT_STRUCT_SHIFT)); |
| 11928 | |
| 11929 | /* duplicate destination */ |
| 11930 | vdup(); |
| 11931 | vtop[-1] = vtop[-2]; |
| 11932 | |
| 11933 | /* mask and shift source */ |
| 11934 | vpushi((1 << bit_size) - 1); |
| 11935 | gen_op('&'); |
| 11936 | vpushi(bit_pos); |
| 11937 | gen_op(TOK_SHL); |
| 11938 | /* load destination, mask and or with source */ |
| 11939 | vswap(); |
| 11940 | vpushi(~(((1 << bit_size) - 1) << bit_pos)); |
| 11941 | gen_op('&'); |
| 11942 | gen_op('|'); |
| 11943 | /* store result */ |
| 11944 | vstore(); |
| 11945 | } else { |
| 11946 | #ifdef CONFIG_TCC_BCHECK |
| 11947 | /* bound check case */ |
| 11948 | if (vtop[-1].r & VT_MUSTBOUND) { |
| 11949 | vswap(); |
| 11950 | gbound(); |
| 11951 | vswap(); |
| 11952 | } |
| 11953 | #endif |
| 11954 | if (!nocode_wanted) { |
| 11955 | rc = RC_INT; |
| 11956 | if (is_float(ft)) |
| 11957 | rc = RC_FLOAT; |
| 11958 | r = gv(rc); /* generate value */ |
| 11959 | /* if lvalue was saved on stack, must read it */ |
| 11960 | if ((vtop[-1].r & VT_VALMASK) == VT_LLOCAL) { |
| 11961 | SValue sv; |
| 11962 | t = get_reg(RC_INT); |
| 11963 | sv.type.t = VT_INT; |
| 11964 | sv.r = VT_LOCAL | VT_LVAL; |
| 11965 | sv.c.ul = vtop[-1].c.ul; |
| 11966 | load(t, &sv); |
| 11967 | vtop[-1].r = t | VT_LVAL; |
| 11968 | } |
| 11969 | store(r, vtop - 1); |
| 11970 | /* two word case handling : store second register at word + 4 */ |
| 11971 | if ((ft & VT_BTYPE) == VT_LLONG) { |
| 11972 | vswap(); |
| 11973 | /* convert to int to increment easily */ |
| 11974 | vtop->type.t = VT_INT; |
| 11975 | gaddrof(); |
| 11976 | vpushi(4); |
| 11977 | gen_op('+'); |
| 11978 | vtop->r |= VT_LVAL; |
| 11979 | vswap(); |
| 11980 | /* XXX: it works because r2 is spilled last ! */ |
| 11981 | store(vtop->r2, vtop - 1); |
| 11982 | } |
| 11983 | } |
| 11984 | vswap(); |
| 11985 | vtop--; /* NOT vpop() because on x86 it would flush the fp stack */ |
| 11986 | vtop->r |= delayed_cast; |
| 11987 | } |
| 11988 | } |
| 11989 | |
| 11990 | /* post defines POST/PRE add. c is the token ++ or -- */ |
| 11991 | void inc(int post, int c) |
| 11992 | { |
| 11993 | test_lvalue(); |
| 11994 | vdup(); /* save lvalue */ |
| 11995 | if (post) { |
| 11996 | gv_dup(); /* duplicate value */ |
| 11997 | vrotb(3); |
| 11998 | vrotb(3); |
| 11999 | } |
| 12000 | /* add constant */ |
| 12001 | vpushi(c - TOK_MID); |
| 12002 | gen_op('+'); |
| 12003 | vstore(); /* store value */ |
| 12004 | if (post) |
| 12005 | vpop(); /* if post op, return saved value */ |
| 12006 | } |
| 12007 | |
| 12008 | /* Parse GNUC __attribute__ extension. Currently, the following |
| 12009 | extensions are recognized: |
| 12010 | - aligned(n) : set data/function alignment. |
| 12011 | - packed : force data alignment to 1 |
| 12012 | - section(x) : generate data/code in this section. |
| 12013 | - unused : currently ignored, but may be used someday. |
| 12014 | - regparm(n) : pass function parameters in registers (i386 only) |
| 12015 | */ |
| 12016 | static void parse_attribute(AttributeDef *ad) |
| 12017 | { |
| 12018 | int t, n; |
| 12019 | |
| 12020 | while (tok == TOK_ATTRIBUTE1 || tok == TOK_ATTRIBUTE2) { |
| 12021 | next(); |
| 12022 | skip('('); |
| 12023 | skip('('); |
| 12024 | while (tok != ')') { |
| 12025 | if (tok < TOK_IDENT) |
| 12026 | expect("attribute name"); |
| 12027 | t = tok; |
| 12028 | next(); |
| 12029 | switch(t) { |
| 12030 | case TOK_SECTION1: |
| 12031 | case TOK_SECTION2: |
| 12032 | skip('('); |
| 12033 | if (tok != TOK_STR) |
| 12034 | expect("section name"); |
| 12035 | ad->section = find_section(tcc_state, (char *)tokc.cstr->data); |
| 12036 | next(); |
| 12037 | skip(')'); |
| 12038 | break; |
| 12039 | case TOK_ALIGNED1: |
| 12040 | case TOK_ALIGNED2: |
| 12041 | if (tok == '(') { |
| 12042 | next(); |
| 12043 | n = expr_const(); |
| 12044 | if (n <= 0 || (n & (n - 1)) != 0) |
| 12045 | error("alignment must be a positive power of two"); |
| 12046 | skip(')'); |
| 12047 | } else { |
| 12048 | n = MAX_ALIGN; |
| 12049 | } |
| 12050 | ad->aligned = n; |
| 12051 | break; |
| 12052 | case TOK_PACKED1: |
| 12053 | case TOK_PACKED2: |
| 12054 | ad->packed = 1; |
| 12055 | break; |
| 12056 | case TOK_UNUSED1: |
| 12057 | case TOK_UNUSED2: |
| 12058 | /* currently, no need to handle it because tcc does not |
| 12059 | track unused objects */ |
| 12060 | break; |
| 12061 | case TOK_NORETURN1: |
| 12062 | case TOK_NORETURN2: |
| 12063 | /* currently, no need to handle it because tcc does not |
| 12064 | track unused objects */ |
| 12065 | break; |
| 12066 | case TOK_CDECL1: |
| 12067 | case TOK_CDECL2: |
| 12068 | case TOK_CDECL3: |
| 12069 | ad->func_call = FUNC_CDECL; |
| 12070 | break; |
| 12071 | case TOK_STDCALL1: |
| 12072 | case TOK_STDCALL2: |
| 12073 | case TOK_STDCALL3: |
| 12074 | ad->func_call = FUNC_STDCALL; |
| 12075 | break; |
| 12076 | #ifdef TCC_TARGET_I386 |
| 12077 | case TOK_REGPARM1: |
| 12078 | case TOK_REGPARM2: |
| 12079 | skip('('); |
| 12080 | n = expr_const(); |
| 12081 | if (n > 3) |
| 12082 | n = 3; |
| 12083 | else if (n < 0) |
| 12084 | n = 0; |
| 12085 | if (n > 0) |
| 12086 | ad->func_call = FUNC_FASTCALL1 + n - 1; |
| 12087 | skip(')'); |
| 12088 | break; |
| 12089 | #endif |
| 12090 | case TOK_DLLEXPORT: |
| 12091 | ad->dllexport = 1; |
| 12092 | break; |
| 12093 | default: |
| 12094 | if (tcc_state->warn_unsupported) |
| 12095 | warning("'%s' attribute ignored", get_tok_str(t, NULL)); |
| 12096 | /* skip parameters */ |
| 12097 | /* XXX: skip parenthesis too */ |
| 12098 | if (tok == '(') { |
| 12099 | next(); |
| 12100 | while (tok != ')' && tok != -1) |
| 12101 | next(); |
| 12102 | next(); |
| 12103 | } |
| 12104 | break; |
| 12105 | } |
| 12106 | if (tok != ',') |
| 12107 | break; |
| 12108 | next(); |
| 12109 | } |
| 12110 | skip(')'); |
| 12111 | skip(')'); |
| 12112 | } |
| 12113 | } |
| 12114 | |
| 12115 | /* enum/struct/union declaration. u is either VT_ENUM or VT_STRUCT */ |
| 12116 | static void struct_decl(CType *type, int u) |
| 12117 | { |
| 12118 | int a, v, size, align, maxalign, c, offset; |
| 12119 | int bit_size, bit_pos, bsize, bt, lbit_pos; |
| 12120 | Sym *s, *ss, **ps; |
| 12121 | AttributeDef ad; |
| 12122 | CType type1, btype; |
| 12123 | |
| 12124 | a = tok; /* save decl type */ |
| 12125 | next(); |
| 12126 | if (tok != '{') { |
| 12127 | v = tok; |
| 12128 | next(); |
| 12129 | /* struct already defined ? return it */ |
| 12130 | if (v < TOK_IDENT) |
| 12131 | expect("struct/union/enum name"); |
| 12132 | s = struct_find(v); |
| 12133 | if (s) { |
| 12134 | if (s->type.t != a) |
| 12135 | error("invalid type"); |
| 12136 | goto do_decl; |
| 12137 | } |
| 12138 | } else { |
| 12139 | v = anon_sym++; |
| 12140 | } |
| 12141 | type1.t = a; |
| 12142 | /* we put an undefined size for struct/union */ |
| 12143 | s = sym_push(v | SYM_STRUCT, &type1, 0, -1); |
| 12144 | s->r = 0; /* default alignment is zero as gcc */ |
| 12145 | /* put struct/union/enum name in type */ |
| 12146 | do_decl: |
| 12147 | type->t = u; |
| 12148 | type->ref = s; |
| 12149 | |
| 12150 | if (tok == '{') { |
| 12151 | next(); |
| 12152 | if (s->c != -1) |
| 12153 | error("struct/union/enum already defined"); |
| 12154 | /* cannot be empty */ |
| 12155 | c = 0; |
| 12156 | /* non empty enums are not allowed */ |
| 12157 | if (a == TOK_ENUM) { |
| 12158 | for(;;) { |
| 12159 | v = tok; |
| 12160 | if (v < TOK_UIDENT) |
| 12161 | expect("identifier"); |
| 12162 | next(); |
| 12163 | if (tok == '=') { |
| 12164 | next(); |
| 12165 | c = expr_const(); |
| 12166 | } |
| 12167 | /* enum symbols have static storage */ |
| 12168 | ss = sym_push(v, &int_type, VT_CONST, c); |
| 12169 | ss->type.t |= VT_STATIC; |
| 12170 | if (tok != ',') |
| 12171 | break; |
| 12172 | next(); |
| 12173 | c++; |
| 12174 | /* NOTE: we accept a trailing comma */ |
| 12175 | if (tok == '}') |
| 12176 | break; |
| 12177 | } |
| 12178 | skip('}'); |
| 12179 | } else { |
| 12180 | maxalign = 1; |
| 12181 | ps = &s->next; |
| 12182 | bit_pos = 0; |
| 12183 | offset = 0; |
| 12184 | while (tok != '}') { |
| 12185 | parse_btype(&btype, &ad); |
| 12186 | while (1) { |
| 12187 | bit_size = -1; |
| 12188 | v = 0; |
| 12189 | type1 = btype; |
| 12190 | if (tok != ':') { |
| 12191 | type_decl(&type1, &ad, &v, TYPE_DIRECT); |
| 12192 | if ((type1.t & VT_BTYPE) == VT_FUNC || |
| 12193 | (type1.t & (VT_TYPEDEF | VT_STATIC | VT_EXTERN | VT_INLINE))) |
| 12194 | error("invalid type for '%s'", |
| 12195 | get_tok_str(v, NULL)); |
| 12196 | } |
| 12197 | if (tok == ':') { |
| 12198 | next(); |
| 12199 | bit_size = expr_const(); |
| 12200 | /* XXX: handle v = 0 case for messages */ |
| 12201 | if (bit_size < 0) |
| 12202 | error("negative width in bit-field '%s'", |
| 12203 | get_tok_str(v, NULL)); |
| 12204 | if (v && bit_size == 0) |
| 12205 | error("zero width for bit-field '%s'", |
| 12206 | get_tok_str(v, NULL)); |
| 12207 | } |
| 12208 | size = type_size(&type1, &align); |
| 12209 | if (ad.aligned) { |
| 12210 | if (align < ad.aligned) |
| 12211 | align = ad.aligned; |
| 12212 | } else if (ad.packed) { |
| 12213 | align = 1; |
| 12214 | } else if (*tcc_state->pack_stack_ptr) { |
| 12215 | if (align > *tcc_state->pack_stack_ptr) |
| 12216 | align = *tcc_state->pack_stack_ptr; |
| 12217 | } |
| 12218 | lbit_pos = 0; |
| 12219 | if (bit_size >= 0) { |
| 12220 | bt = type1.t & VT_BTYPE; |
| 12221 | if (bt != VT_INT && |
| 12222 | bt != VT_BYTE && |
| 12223 | bt != VT_SHORT && |
| 12224 | bt != VT_BOOL && |
| 12225 | bt != VT_ENUM) |
| 12226 | error("bitfields must have scalar type"); |
| 12227 | bsize = size * 8; |
| 12228 | if (bit_size > bsize) { |
| 12229 | error("width of '%s' exceeds its type", |
| 12230 | get_tok_str(v, NULL)); |
| 12231 | } else if (bit_size == bsize) { |
| 12232 | /* no need for bit fields */ |
| 12233 | bit_pos = 0; |
| 12234 | } else if (bit_size == 0) { |
| 12235 | /* XXX: what to do if only padding in a |
| 12236 | structure ? */ |
| 12237 | /* zero size: means to pad */ |
| 12238 | if (bit_pos > 0) |
| 12239 | bit_pos = bsize; |
| 12240 | } else { |
| 12241 | /* we do not have enough room ? */ |
| 12242 | if ((bit_pos + bit_size) > bsize) |
| 12243 | bit_pos = 0; |
| 12244 | lbit_pos = bit_pos; |
| 12245 | /* XXX: handle LSB first */ |
| 12246 | type1.t |= VT_BITFIELD | |
| 12247 | (bit_pos << VT_STRUCT_SHIFT) | |
| 12248 | (bit_size << (VT_STRUCT_SHIFT + 6)); |
| 12249 | bit_pos += bit_size; |
| 12250 | } |
| 12251 | } else { |
| 12252 | bit_pos = 0; |
| 12253 | } |
| 12254 | if (v) { |
| 12255 | /* add new memory data only if starting |
| 12256 | bit field */ |
| 12257 | if (lbit_pos == 0) { |
| 12258 | if (a == TOK_STRUCT) { |
| 12259 | c = (c + align - 1) & -align; |
| 12260 | offset = c; |
| 12261 | c += size; |
| 12262 | } else { |
| 12263 | offset = 0; |
| 12264 | if (size > c) |
| 12265 | c = size; |
| 12266 | } |
| 12267 | if (align > maxalign) |
| 12268 | maxalign = align; |
| 12269 | } |
| 12270 | #if 0 |
| 12271 | printf("add field %s offset=%d", |
| 12272 | get_tok_str(v, NULL), offset); |
| 12273 | if (type1.t & VT_BITFIELD) { |
| 12274 | printf(" pos=%d size=%d", |
| 12275 | (type1.t >> VT_STRUCT_SHIFT) & 0x3f, |
| 12276 | (type1.t >> (VT_STRUCT_SHIFT + 6)) & 0x3f); |
| 12277 | } |
| 12278 | printf("\n"); |
| 12279 | #endif |
| 12280 | ss = sym_push(v | SYM_FIELD, &type1, 0, offset); |
| 12281 | *ps = ss; |
| 12282 | ps = &ss->next; |
| 12283 | } |
| 12284 | if (tok == ';' || tok == TOK_EOF) |
| 12285 | break; |
| 12286 | skip(','); |
| 12287 | } |
| 12288 | skip(';'); |
| 12289 | } |
| 12290 | skip('}'); |
| 12291 | /* store size and alignment */ |
| 12292 | s->c = (c + maxalign - 1) & -maxalign; |
| 12293 | s->r = maxalign; |
| 12294 | } |
| 12295 | } |
| 12296 | } |
| 12297 | |
| 12298 | /* return 0 if no type declaration. otherwise, return the basic type |
| 12299 | and skip it. |
| 12300 | */ |
| 12301 | static int parse_btype(CType *type, AttributeDef *ad) |
| 12302 | { |
| 12303 | int t, u, type_found, typespec_found; |
| 12304 | Sym *s; |
| 12305 | CType type1; |
| 12306 | |
| 12307 | memset(ad, 0, sizeof(AttributeDef)); |
| 12308 | type_found = 0; |
| 12309 | typespec_found = 0; |
| 12310 | t = 0; |
| 12311 | while(1) { |
| 12312 | switch(tok) { |
| 12313 | case TOK_EXTENSION: |
| 12314 | /* currently, we really ignore extension */ |
| 12315 | next(); |
| 12316 | continue; |
| 12317 | |
| 12318 | /* basic types */ |
| 12319 | case TOK_CHAR: |
| 12320 | u = VT_BYTE; |
| 12321 | basic_type: |
| 12322 | next(); |
| 12323 | basic_type1: |
| 12324 | if ((t & VT_BTYPE) != 0) |
| 12325 | error("too many basic types"); |
| 12326 | t |= u; |
| 12327 | typespec_found = 1; |
| 12328 | break; |
| 12329 | case TOK_VOID: |
| 12330 | u = VT_VOID; |
| 12331 | goto basic_type; |
| 12332 | case TOK_SHORT: |
| 12333 | u = VT_SHORT; |
| 12334 | goto basic_type; |
| 12335 | case TOK_INT: |
| 12336 | next(); |
| 12337 | typespec_found = 1; |
| 12338 | break; |
| 12339 | case TOK_LONG: |
| 12340 | next(); |
| 12341 | if ((t & VT_BTYPE) == VT_DOUBLE) { |
| 12342 | t = (t & ~VT_BTYPE) | VT_LDOUBLE; |
| 12343 | } else if ((t & VT_BTYPE) == VT_LONG) { |
| 12344 | t = (t & ~VT_BTYPE) | VT_LLONG; |
| 12345 | } else { |
| 12346 | u = VT_LONG; |
| 12347 | goto basic_type1; |
| 12348 | } |
| 12349 | break; |
| 12350 | case TOK_BOOL: |
| 12351 | u = VT_BOOL; |
| 12352 | goto basic_type; |
| 12353 | case TOK_FLOAT: |
| 12354 | u = VT_FLOAT; |
| 12355 | goto basic_type; |
| 12356 | case TOK_DOUBLE: |
| 12357 | next(); |
| 12358 | if ((t & VT_BTYPE) == VT_LONG) { |
| 12359 | t = (t & ~VT_BTYPE) | VT_LDOUBLE; |
| 12360 | } else { |
| 12361 | u = VT_DOUBLE; |
| 12362 | goto basic_type1; |
| 12363 | } |
| 12364 | break; |
| 12365 | case TOK_ENUM: |
| 12366 | struct_decl(&type1, VT_ENUM); |
| 12367 | basic_type2: |
| 12368 | u = type1.t; |
| 12369 | type->ref = type1.ref; |
| 12370 | goto basic_type1; |
| 12371 | case TOK_STRUCT: |
| 12372 | case TOK_UNION: |
| 12373 | struct_decl(&type1, VT_STRUCT); |
| 12374 | goto basic_type2; |
| 12375 | |
| 12376 | /* type modifiers */ |
| 12377 | case TOK_CONST1: |
| 12378 | case TOK_CONST2: |
| 12379 | case TOK_CONST3: |
| 12380 | t |= VT_CONSTANT; |
| 12381 | next(); |
| 12382 | break; |
| 12383 | case TOK_VOLATILE1: |
| 12384 | case TOK_VOLATILE2: |
| 12385 | case TOK_VOLATILE3: |
| 12386 | t |= VT_VOLATILE; |
| 12387 | next(); |
| 12388 | break; |
| 12389 | case TOK_SIGNED1: |
| 12390 | case TOK_SIGNED2: |
| 12391 | case TOK_SIGNED3: |
| 12392 | typespec_found = 1; |
| 12393 | t |= VT_SIGNED; |
| 12394 | next(); |
| 12395 | break; |
| 12396 | case TOK_REGISTER: |
| 12397 | case TOK_AUTO: |
| 12398 | case TOK_RESTRICT1: |
| 12399 | case TOK_RESTRICT2: |
| 12400 | case TOK_RESTRICT3: |
| 12401 | next(); |
| 12402 | break; |
| 12403 | case TOK_UNSIGNED: |
| 12404 | t |= VT_UNSIGNED; |
| 12405 | next(); |
| 12406 | typespec_found = 1; |
| 12407 | break; |
| 12408 | |
| 12409 | /* storage */ |
| 12410 | case TOK_EXTERN: |
| 12411 | t |= VT_EXTERN; |
| 12412 | next(); |
| 12413 | break; |
| 12414 | case TOK_STATIC: |
| 12415 | t |= VT_STATIC; |
| 12416 | next(); |
| 12417 | break; |
| 12418 | case TOK_TYPEDEF: |
| 12419 | t |= VT_TYPEDEF; |
| 12420 | next(); |
| 12421 | break; |
| 12422 | case TOK_INLINE1: |
| 12423 | case TOK_INLINE2: |
| 12424 | case TOK_INLINE3: |
| 12425 | t |= VT_INLINE; |
| 12426 | next(); |
| 12427 | break; |
| 12428 | |
| 12429 | /* GNUC attribute */ |
| 12430 | case TOK_ATTRIBUTE1: |
| 12431 | case TOK_ATTRIBUTE2: |
| 12432 | parse_attribute(ad); |
| 12433 | break; |
| 12434 | /* GNUC typeof */ |
| 12435 | case TOK_TYPEOF1: |
| 12436 | case TOK_TYPEOF2: |
| 12437 | case TOK_TYPEOF3: |
| 12438 | next(); |
| 12439 | parse_expr_type(&type1); |
| 12440 | goto basic_type2; |
| 12441 | default: |
| 12442 | if (typespec_found) |
| 12443 | goto the_end; |
| 12444 | s = sym_find(tok); |
| 12445 | if (!s || !(s->type.t & VT_TYPEDEF)) |
| 12446 | goto the_end; |
| 12447 | t |= (s->type.t & ~VT_TYPEDEF); |
| 12448 | type->ref = s->type.ref; |
| 12449 | next(); |
| 12450 | break; |
| 12451 | } |
| 12452 | type_found = 1; |
| 12453 | } |
| 12454 | the_end: |
| 12455 | if ((t & (VT_SIGNED|VT_UNSIGNED)) == (VT_SIGNED|VT_UNSIGNED)) |
| 12456 | error("signed and unsigned modifier"); |
| 12457 | if (tcc_state->char_is_unsigned) { |
| 12458 | if ((t & (VT_SIGNED|VT_UNSIGNED|VT_BTYPE)) == VT_BYTE) |
| 12459 | t |= VT_UNSIGNED; |
| 12460 | } |
| 12461 | t &= ~VT_SIGNED; |
| 12462 | |
| 12463 | /* long is never used as type */ |
| 12464 | if ((t & VT_BTYPE) == VT_LONG) |
| 12465 | t = (t & ~VT_BTYPE) | VT_INT; |
| 12466 | type->t = t; |
| 12467 | return type_found; |
| 12468 | } |
| 12469 | |
| 12470 | /* convert a function parameter type (array to pointer and function to |
| 12471 | function pointer) */ |
| 12472 | static inline void convert_parameter_type(CType *pt) |
| 12473 | { |
| 12474 | /* remove const and volatile qualifiers (XXX: const could be used |
| 12475 | to indicate a const function parameter */ |
| 12476 | pt->t &= ~(VT_CONSTANT | VT_VOLATILE); |
| 12477 | /* array must be transformed to pointer according to ANSI C */ |
| 12478 | pt->t &= ~VT_ARRAY; |
| 12479 | if ((pt->t & VT_BTYPE) == VT_FUNC) { |
| 12480 | mk_pointer(pt); |
| 12481 | } |
| 12482 | } |
| 12483 | |
| 12484 | static void post_type(CType *type, AttributeDef *ad) |
| 12485 | { |
| 12486 | int n, l, t1; |
| 12487 | Sym **plast, *s, *first; |
| 12488 | AttributeDef ad1; |
| 12489 | CType pt; |
| 12490 | |
| 12491 | if (tok == '(') { |
| 12492 | /* function declaration */ |
| 12493 | next(); |
| 12494 | l = 0; |
| 12495 | first = NULL; |
| 12496 | plast = &first; |
| 12497 | while (tok != ')') { |
| 12498 | /* read param name and compute offset */ |
| 12499 | if (l != FUNC_OLD) { |
| 12500 | if (!parse_btype(&pt, &ad1)) { |
| 12501 | if (l) { |
| 12502 | error("invalid type"); |
| 12503 | } else { |
| 12504 | l = FUNC_OLD; |
| 12505 | goto old_proto; |
| 12506 | } |
| 12507 | } |
| 12508 | l = FUNC_NEW; |
| 12509 | if ((pt.t & VT_BTYPE) == VT_VOID && tok == ')') |
| 12510 | break; |
| 12511 | type_decl(&pt, &ad1, &n, TYPE_DIRECT | TYPE_ABSTRACT); |
| 12512 | if ((pt.t & VT_BTYPE) == VT_VOID) |
| 12513 | error("parameter declared as void"); |
| 12514 | } else { |
| 12515 | old_proto: |
| 12516 | n = tok; |
| 12517 | pt.t = VT_INT; |
| 12518 | next(); |
| 12519 | } |
| 12520 | convert_parameter_type(&pt); |
| 12521 | s = sym_push(n | SYM_FIELD, &pt, 0, 0); |
| 12522 | *plast = s; |
| 12523 | plast = &s->next; |
| 12524 | if (tok == ',') { |
| 12525 | next(); |
| 12526 | if (l == FUNC_NEW && tok == TOK_DOTS) { |
| 12527 | l = FUNC_ELLIPSIS; |
| 12528 | next(); |
| 12529 | break; |
| 12530 | } |
| 12531 | } |
| 12532 | } |
| 12533 | /* if no parameters, then old type prototype */ |
| 12534 | if (l == 0) |
| 12535 | l = FUNC_OLD; |
| 12536 | skip(')'); |
| 12537 | t1 = type->t & VT_STORAGE; |
| 12538 | /* NOTE: const is ignored in returned type as it has a special |
| 12539 | meaning in gcc / C++ */ |
| 12540 | type->t &= ~(VT_STORAGE | VT_CONSTANT); |
| 12541 | post_type(type, ad); |
| 12542 | /* we push a anonymous symbol which will contain the function prototype */ |
| 12543 | s = sym_push(SYM_FIELD, type, ad->func_call, l); |
| 12544 | s->next = first; |
| 12545 | type->t = t1 | VT_FUNC; |
| 12546 | type->ref = s; |
| 12547 | } else if (tok == '[') { |
| 12548 | /* array definition */ |
| 12549 | next(); |
| 12550 | n = -1; |
| 12551 | if (tok != ']') { |
| 12552 | n = expr_const(); |
| 12553 | if (n < 0) |
| 12554 | error("invalid array size"); |
| 12555 | } |
| 12556 | skip(']'); |
| 12557 | /* parse next post type */ |
| 12558 | t1 = type->t & VT_STORAGE; |
| 12559 | type->t &= ~VT_STORAGE; |
| 12560 | post_type(type, ad); |
| 12561 | |
| 12562 | /* we push a anonymous symbol which will contain the array |
| 12563 | element type */ |
| 12564 | s = sym_push(SYM_FIELD, type, 0, n); |
| 12565 | type->t = t1 | VT_ARRAY | VT_PTR; |
| 12566 | type->ref = s; |
| 12567 | } |
| 12568 | } |
| 12569 | |
| 12570 | /* Parse a type declaration (except basic type), and return the type |
| 12571 | in 'type'. 'td' is a bitmask indicating which kind of type decl is |
| 12572 | expected. 'type' should contain the basic type. 'ad' is the |
| 12573 | attribute definition of the basic type. It can be modified by |
| 12574 | type_decl(). |
| 12575 | */ |
| 12576 | static void type_decl(CType *type, AttributeDef *ad, int *v, int td) |
| 12577 | { |
| 12578 | Sym *s; |
| 12579 | CType type1, *type2; |
| 12580 | int qualifiers; |
| 12581 | |
| 12582 | while (tok == '*') { |
| 12583 | qualifiers = 0; |
| 12584 | redo: |
| 12585 | next(); |
| 12586 | switch(tok) { |
| 12587 | case TOK_CONST1: |
| 12588 | case TOK_CONST2: |
| 12589 | case TOK_CONST3: |
| 12590 | qualifiers |= VT_CONSTANT; |
| 12591 | goto redo; |
| 12592 | case TOK_VOLATILE1: |
| 12593 | case TOK_VOLATILE2: |
| 12594 | case TOK_VOLATILE3: |
| 12595 | qualifiers |= VT_VOLATILE; |
| 12596 | goto redo; |
| 12597 | case TOK_RESTRICT1: |
| 12598 | case TOK_RESTRICT2: |
| 12599 | case TOK_RESTRICT3: |
| 12600 | goto redo; |
| 12601 | } |
| 12602 | mk_pointer(type); |
| 12603 | type->t |= qualifiers; |
| 12604 | } |
| 12605 | |
| 12606 | /* XXX: clarify attribute handling */ |
| 12607 | if (tok == TOK_ATTRIBUTE1 || tok == TOK_ATTRIBUTE2) |
| 12608 | parse_attribute(ad); |
| 12609 | |
| 12610 | /* recursive type */ |
| 12611 | /* XXX: incorrect if abstract type for functions (e.g. 'int ()') */ |
| 12612 | type1.t = 0; /* XXX: same as int */ |
| 12613 | if (tok == '(') { |
| 12614 | next(); |
| 12615 | /* XXX: this is not correct to modify 'ad' at this point, but |
| 12616 | the syntax is not clear */ |
| 12617 | if (tok == TOK_ATTRIBUTE1 || tok == TOK_ATTRIBUTE2) |
| 12618 | parse_attribute(ad); |
| 12619 | type_decl(&type1, ad, v, td); |
| 12620 | skip(')'); |
| 12621 | } else { |
| 12622 | /* type identifier */ |
| 12623 | if (tok >= TOK_IDENT && (td & TYPE_DIRECT)) { |
| 12624 | *v = tok; |
| 12625 | next(); |
| 12626 | } else { |
| 12627 | if (!(td & TYPE_ABSTRACT)) |
| 12628 | expect("identifier"); |
| 12629 | *v = 0; |
| 12630 | } |
| 12631 | } |
| 12632 | post_type(type, ad); |
| 12633 | if (tok == TOK_ATTRIBUTE1 || tok == TOK_ATTRIBUTE2) |
| 12634 | parse_attribute(ad); |
| 12635 | if (!type1.t) |
| 12636 | return; |
| 12637 | /* append type at the end of type1 */ |
| 12638 | type2 = &type1; |
| 12639 | for(;;) { |
| 12640 | s = type2->ref; |
| 12641 | type2 = &s->type; |
| 12642 | if (!type2->t) { |
| 12643 | *type2 = *type; |
| 12644 | break; |
| 12645 | } |
| 12646 | } |
| 12647 | *type = type1; |
| 12648 | } |
| 12649 | |
| 12650 | /* compute the lvalue VT_LVAL_xxx needed to match type t. */ |
| 12651 | static int lvalue_type(int t) |
| 12652 | { |
| 12653 | int bt, r; |
| 12654 | r = VT_LVAL; |
| 12655 | bt = t & VT_BTYPE; |
| 12656 | if (bt == VT_BYTE || bt == VT_BOOL) |
| 12657 | r |= VT_LVAL_BYTE; |
| 12658 | else if (bt == VT_SHORT) |
| 12659 | r |= VT_LVAL_SHORT; |
| 12660 | else |
| 12661 | return r; |
| 12662 | if (t & VT_UNSIGNED) |
| 12663 | r |= VT_LVAL_UNSIGNED; |
| 12664 | return r; |
| 12665 | } |
| 12666 | |
| 12667 | /* indirection with full error checking and bound check */ |
| 12668 | static void indir(void) |
| 12669 | { |
| 12670 | if ((vtop->type.t & VT_BTYPE) != VT_PTR) |
| 12671 | expect("pointer"); |
| 12672 | if ((vtop->r & VT_LVAL) && !nocode_wanted) |
| 12673 | gv(RC_INT); |
| 12674 | vtop->type = *pointed_type(&vtop->type); |
| 12675 | /* an array is never an lvalue */ |
| 12676 | if (!(vtop->type.t & VT_ARRAY)) { |
| 12677 | vtop->r |= lvalue_type(vtop->type.t); |
| 12678 | /* if bound checking, the referenced pointer must be checked */ |
| 12679 | if (do_bounds_check) |
| 12680 | vtop->r |= VT_MUSTBOUND; |
| 12681 | } |
| 12682 | } |
| 12683 | |
| 12684 | /* pass a parameter to a function and do type checking and casting */ |
| 12685 | static void gfunc_param_typed(Sym *func, Sym *arg) |
| 12686 | { |
| 12687 | int func_type; |
| 12688 | CType type; |
| 12689 | |
| 12690 | func_type = func->c; |
| 12691 | if (func_type == FUNC_OLD || |
| 12692 | (func_type == FUNC_ELLIPSIS && arg == NULL)) { |
| 12693 | /* default casting : only need to convert float to double */ |
| 12694 | if ((vtop->type.t & VT_BTYPE) == VT_FLOAT) { |
| 12695 | type.t = VT_DOUBLE; |
| 12696 | gen_cast(&type); |
| 12697 | } |
| 12698 | } else if (arg == NULL) { |
| 12699 | error("too many arguments to function"); |
| 12700 | } else { |
| 12701 | type = arg->type; |
| 12702 | type.t &= ~VT_CONSTANT; /* need to do that to avoid false warning */ |
| 12703 | gen_assign_cast(&type); |
| 12704 | } |
| 12705 | } |
| 12706 | |
| 12707 | /* parse an expression of the form '(type)' or '(expr)' and return its |
| 12708 | type */ |
| 12709 | static void parse_expr_type(CType *type) |
| 12710 | { |
| 12711 | int n; |
| 12712 | AttributeDef ad; |
| 12713 | |
| 12714 | skip('('); |
| 12715 | if (parse_btype(type, &ad)) { |
| 12716 | type_decl(type, &ad, &n, TYPE_ABSTRACT); |
| 12717 | } else { |
| 12718 | expr_type(type); |
| 12719 | } |
| 12720 | skip(')'); |
| 12721 | } |
| 12722 | |
| 12723 | static void parse_type(CType *type) |
| 12724 | { |
| 12725 | AttributeDef ad; |
| 12726 | int n; |
| 12727 | |
| 12728 | if (!parse_btype(type, &ad)) { |
| 12729 | expect("type"); |
| 12730 | } |
| 12731 | type_decl(type, &ad, &n, TYPE_ABSTRACT); |
| 12732 | } |
| 12733 | |
| 12734 | static void vpush_tokc(int t) |
| 12735 | { |
| 12736 | CType type; |
| 12737 | type.t = t; |
| 12738 | vsetc(&type, VT_CONST, &tokc); |
| 12739 | } |
| 12740 | |
| 12741 | static void unary(void) |
| 12742 | { |
| 12743 | int n, t, align, size, r; |
| 12744 | CType type; |
| 12745 | Sym *s; |
| 12746 | AttributeDef ad; |
| 12747 | |
| 12748 | /* XXX: GCC 2.95.3 does not generate a table although it should be |
| 12749 | better here */ |
| 12750 | tok_next: |
| 12751 | switch(tok) { |
| 12752 | case TOK_EXTENSION: |
| 12753 | next(); |
| 12754 | goto tok_next; |
| 12755 | case TOK_CINT: |
| 12756 | case TOK_CCHAR: |
| 12757 | case TOK_LCHAR: |
| 12758 | vpushi(tokc.i); |
| 12759 | next(); |
| 12760 | break; |
| 12761 | case TOK_CUINT: |
| 12762 | vpush_tokc(VT_INT | VT_UNSIGNED); |
| 12763 | next(); |
| 12764 | break; |
| 12765 | case TOK_CLLONG: |
| 12766 | vpush_tokc(VT_LLONG); |
| 12767 | next(); |
| 12768 | break; |
| 12769 | case TOK_CULLONG: |
| 12770 | vpush_tokc(VT_LLONG | VT_UNSIGNED); |
| 12771 | next(); |
| 12772 | break; |
| 12773 | case TOK_CFLOAT: |
| 12774 | vpush_tokc(VT_FLOAT); |
| 12775 | next(); |
| 12776 | break; |
| 12777 | case TOK_CDOUBLE: |
| 12778 | vpush_tokc(VT_DOUBLE); |
| 12779 | next(); |
| 12780 | break; |
| 12781 | case TOK_CLDOUBLE: |
| 12782 | vpush_tokc(VT_LDOUBLE); |
| 12783 | next(); |
| 12784 | break; |
| 12785 | case TOK___FUNCTION__: |
| 12786 | if (!gnu_ext) |
| 12787 | goto tok_identifier; |
| 12788 | /* fall thru */ |
| 12789 | case TOK___FUNC__: |
| 12790 | { |
| 12791 | void *ptr; |
| 12792 | int len; |
| 12793 | /* special function name identifier */ |
| 12794 | len = strlen(funcname) + 1; |
| 12795 | /* generate char[len] type */ |
| 12796 | type.t = VT_BYTE; |
| 12797 | mk_pointer(&type); |
| 12798 | type.t |= VT_ARRAY; |
| 12799 | type.ref->c = len; |
| 12800 | vpush_ref(&type, data_section, data_section->data_offset, len); |
| 12801 | ptr = section_ptr_add(data_section, len); |
| 12802 | memcpy(ptr, funcname, len); |
| 12803 | next(); |
| 12804 | } |
| 12805 | break; |
| 12806 | case TOK_LSTR: |
| 12807 | t = VT_INT; |
| 12808 | goto str_init; |
| 12809 | case TOK_STR: |
| 12810 | /* string parsing */ |
| 12811 | t = VT_BYTE; |
| 12812 | str_init: |
| 12813 | if (tcc_state->warn_write_strings) |
| 12814 | t |= VT_CONSTANT; |
| 12815 | type.t = t; |
| 12816 | mk_pointer(&type); |
| 12817 | type.t |= VT_ARRAY; |
| 12818 | memset(&ad, 0, sizeof(AttributeDef)); |
| 12819 | decl_initializer_alloc(&type, &ad, VT_CONST, 2, 0, 0); |
| 12820 | break; |
| 12821 | case '(': |
| 12822 | next(); |
| 12823 | /* cast ? */ |
| 12824 | if (parse_btype(&type, &ad)) { |
| 12825 | type_decl(&type, &ad, &n, TYPE_ABSTRACT); |
| 12826 | skip(')'); |
| 12827 | /* check ISOC99 compound literal */ |
| 12828 | if (tok == '{') { |
| 12829 | /* data is allocated locally by default */ |
| 12830 | if (global_expr) |
| 12831 | r = VT_CONST; |
| 12832 | else |
| 12833 | r = VT_LOCAL; |
| 12834 | /* all except arrays are lvalues */ |
| 12835 | if (!(type.t & VT_ARRAY)) |
| 12836 | r |= lvalue_type(type.t); |
| 12837 | memset(&ad, 0, sizeof(AttributeDef)); |
| 12838 | decl_initializer_alloc(&type, &ad, r, 1, 0, 0); |
| 12839 | } else { |
| 12840 | unary(); |
| 12841 | gen_cast(&type); |
| 12842 | } |
| 12843 | } else if (tok == '{') { |
| 12844 | /* save all registers */ |
| 12845 | save_regs(0); |
| 12846 | /* statement expression : we do not accept break/continue |
| 12847 | inside as GCC does */ |
| 12848 | block(NULL, NULL, NULL, NULL, 0, 1); |
| 12849 | skip(')'); |
| 12850 | } else { |
| 12851 | gexpr(); |
| 12852 | skip(')'); |
| 12853 | } |
| 12854 | break; |
| 12855 | case '*': |
| 12856 | next(); |
| 12857 | unary(); |
| 12858 | indir(); |
| 12859 | break; |
| 12860 | case '&': |
| 12861 | next(); |
| 12862 | unary(); |
| 12863 | /* functions names must be treated as function pointers, |
| 12864 | except for unary '&' and sizeof. Since we consider that |
| 12865 | functions are not lvalues, we only have to handle it |
| 12866 | there and in function calls. */ |
| 12867 | /* arrays can also be used although they are not lvalues */ |
| 12868 | if ((vtop->type.t & VT_BTYPE) != VT_FUNC && |
| 12869 | !(vtop->type.t & VT_ARRAY)) |
| 12870 | test_lvalue(); |
| 12871 | mk_pointer(&vtop->type); |
| 12872 | gaddrof(); |
| 12873 | break; |
| 12874 | case '!': |
| 12875 | next(); |
| 12876 | unary(); |
| 12877 | if ((vtop->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST) |
| 12878 | vtop->c.i = !vtop->c.i; |
| 12879 | else if ((vtop->r & VT_VALMASK) == VT_CMP) |
| 12880 | vtop->c.i = vtop->c.i ^ 1; |
| 12881 | else |
| 12882 | vseti(VT_JMP, gtst(1, 0)); |
| 12883 | break; |
| 12884 | case '~': |
| 12885 | next(); |
| 12886 | unary(); |
| 12887 | vpushi(-1); |
| 12888 | gen_op('^'); |
| 12889 | break; |
| 12890 | case '+': |
| 12891 | next(); |
| 12892 | /* in order to force cast, we add zero */ |
| 12893 | unary(); |
| 12894 | if ((vtop->type.t & VT_BTYPE) == VT_PTR) |
| 12895 | error("pointer not accepted for unary plus"); |
| 12896 | vpushi(0); |
| 12897 | gen_op('+'); |
| 12898 | break; |
| 12899 | case TOK_SIZEOF: |
| 12900 | case TOK_ALIGNOF1: |
| 12901 | case TOK_ALIGNOF2: |
| 12902 | t = tok; |
| 12903 | next(); |
| 12904 | if (tok == '(') { |
| 12905 | parse_expr_type(&type); |
| 12906 | } else { |
| 12907 | unary_type(&type); |
| 12908 | } |
| 12909 | size = type_size(&type, &align); |
| 12910 | if (t == TOK_SIZEOF) { |
| 12911 | if (size < 0) |
| 12912 | error("sizeof applied to an incomplete type"); |
| 12913 | vpushi(size); |
| 12914 | } else { |
| 12915 | vpushi(align); |
| 12916 | } |
| 12917 | break; |
| 12918 | |
| 12919 | case TOK_builtin_types_compatible_p: |
| 12920 | { |
| 12921 | CType type1, type2; |
| 12922 | next(); |
| 12923 | skip('('); |
| 12924 | parse_type(&type1); |
| 12925 | skip(','); |
| 12926 | parse_type(&type2); |
| 12927 | skip(')'); |
| 12928 | type1.t &= ~(VT_CONSTANT | VT_VOLATILE); |
| 12929 | type2.t &= ~(VT_CONSTANT | VT_VOLATILE); |
| 12930 | vpushi(is_compatible_types(&type1, &type2)); |
| 12931 | } |
| 12932 | break; |
| 12933 | case TOK_builtin_constant_p: |
| 12934 | { |
| 12935 | int saved_nocode_wanted, res; |
| 12936 | next(); |
| 12937 | skip('('); |
| 12938 | saved_nocode_wanted = nocode_wanted; |
| 12939 | nocode_wanted = 1; |
| 12940 | gexpr(); |
| 12941 | res = (vtop->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST; |
| 12942 | vpop(); |
| 12943 | nocode_wanted = saved_nocode_wanted; |
| 12944 | skip(')'); |
| 12945 | vpushi(res); |
| 12946 | } |
| 12947 | break; |
| 12948 | case TOK_INC: |
| 12949 | case TOK_DEC: |
| 12950 | t = tok; |
| 12951 | next(); |
| 12952 | unary(); |
| 12953 | inc(0, t); |
| 12954 | break; |
| 12955 | case '-': |
| 12956 | next(); |
| 12957 | vpushi(0); |
| 12958 | unary(); |
| 12959 | gen_op('-'); |
| 12960 | break; |
| 12961 | case TOK_LAND: |
| 12962 | if (!gnu_ext) |
| 12963 | goto tok_identifier; |
| 12964 | next(); |
| 12965 | /* allow to take the address of a label */ |
| 12966 | if (tok < TOK_UIDENT) |
| 12967 | expect("label identifier"); |
| 12968 | s = label_find(tok); |
| 12969 | if (!s) { |
| 12970 | s = label_push(&global_label_stack, tok, LABEL_FORWARD); |
| 12971 | } else { |
| 12972 | if (s->r == LABEL_DECLARED) |
| 12973 | s->r = LABEL_FORWARD; |
| 12974 | } |
| 12975 | if (!s->type.t) { |
| 12976 | s->type.t = VT_VOID; |
| 12977 | mk_pointer(&s->type); |
| 12978 | s->type.t |= VT_STATIC; |
| 12979 | } |
| 12980 | vset(&s->type, VT_CONST | VT_SYM, 0); |
| 12981 | vtop->sym = s; |
| 12982 | next(); |
| 12983 | break; |
| 12984 | default: |
| 12985 | tok_identifier: |
| 12986 | t = tok; |
| 12987 | next(); |
| 12988 | if (t < TOK_UIDENT) |
| 12989 | expect("identifier"); |
| 12990 | s = sym_find(t); |
| 12991 | if (!s) { |
| 12992 | if (tok != '(') |
| 12993 | error("'%s' undeclared", get_tok_str(t, NULL)); |
| 12994 | /* for simple function calls, we tolerate undeclared |
| 12995 | external reference to int() function */ |
| 12996 | if (tcc_state->warn_implicit_function_declaration) |
| 12997 | warning("implicit declaration of function '%s'", |
| 12998 | get_tok_str(t, NULL)); |
| 12999 | s = external_global_sym(t, &func_old_type, 0); |
| 13000 | } |
| 13001 | if ((s->type.t & (VT_STATIC | VT_INLINE | VT_BTYPE)) == |
| 13002 | (VT_STATIC | VT_INLINE | VT_FUNC)) { |
| 13003 | /* if referencing an inline function, then we generate a |
| 13004 | symbol to it if not already done. It will have the |
| 13005 | effect to generate code for it at the end of the |
| 13006 | compilation unit. Inline function as always |
| 13007 | generated in the text section. */ |
| 13008 | if (!s->c) |
| 13009 | put_extern_sym(s, text_section, 0, 0); |
| 13010 | r = VT_SYM | VT_CONST; |
| 13011 | } else { |
| 13012 | r = s->r; |
| 13013 | } |
| 13014 | vset(&s->type, r, s->c); |
| 13015 | /* if forward reference, we must point to s */ |
| 13016 | if (vtop->r & VT_SYM) { |
| 13017 | vtop->sym = s; |
| 13018 | vtop->c.ul = 0; |
| 13019 | } |
| 13020 | break; |
| 13021 | } |
| 13022 | |
| 13023 | /* post operations */ |
| 13024 | while (1) { |
| 13025 | if (tok == TOK_INC || tok == TOK_DEC) { |
| 13026 | inc(1, tok); |
| 13027 | next(); |
| 13028 | } else if (tok == '.' || tok == TOK_ARROW) { |
| 13029 | /* field */ |
| 13030 | if (tok == TOK_ARROW) |
| 13031 | indir(); |
| 13032 | test_lvalue(); |
| 13033 | gaddrof(); |
| 13034 | next(); |
| 13035 | /* expect pointer on structure */ |
| 13036 | if ((vtop->type.t & VT_BTYPE) != VT_STRUCT) |
| 13037 | expect("struct or union"); |
| 13038 | s = vtop->type.ref; |
| 13039 | /* find field */ |
| 13040 | tok |= SYM_FIELD; |
| 13041 | while ((s = s->next) != NULL) { |
| 13042 | if (s->v == tok) |
| 13043 | break; |
| 13044 | } |
| 13045 | if (!s) |
| 13046 | error("field not found"); |
| 13047 | /* add field offset to pointer */ |
| 13048 | vtop->type = char_pointer_type; /* change type to 'char *' */ |
| 13049 | vpushi(s->c); |
| 13050 | gen_op('+'); |
| 13051 | /* change type to field type, and set to lvalue */ |
| 13052 | vtop->type = s->type; |
| 13053 | /* an array is never an lvalue */ |
| 13054 | if (!(vtop->type.t & VT_ARRAY)) { |
| 13055 | vtop->r |= lvalue_type(vtop->type.t); |
| 13056 | /* if bound checking, the referenced pointer must be checked */ |
| 13057 | if (do_bounds_check) |
| 13058 | vtop->r |= VT_MUSTBOUND; |
| 13059 | } |
| 13060 | next(); |
| 13061 | } else if (tok == '[') { |
| 13062 | next(); |
| 13063 | gexpr(); |
| 13064 | gen_op('+'); |
| 13065 | indir(); |
| 13066 | skip(']'); |
| 13067 | } else if (tok == '(') { |
| 13068 | SValue ret; |
| 13069 | Sym *sa; |
| 13070 | int nb_args; |
| 13071 | |
| 13072 | /* function call */ |
| 13073 | if ((vtop->type.t & VT_BTYPE) != VT_FUNC) { |
| 13074 | /* pointer test (no array accepted) */ |
| 13075 | if ((vtop->type.t & (VT_BTYPE | VT_ARRAY)) == VT_PTR) { |
| 13076 | vtop->type = *pointed_type(&vtop->type); |
| 13077 | if ((vtop->type.t & VT_BTYPE) != VT_FUNC) |
| 13078 | goto error_func; |
| 13079 | } else { |
| 13080 | error_func: |
| 13081 | expect("function pointer"); |
| 13082 | } |
| 13083 | } else { |
| 13084 | vtop->r &= ~VT_LVAL; /* no lvalue */ |
| 13085 | } |
| 13086 | /* get return type */ |
| 13087 | s = vtop->type.ref; |
| 13088 | next(); |
| 13089 | sa = s->next; /* first parameter */ |
| 13090 | nb_args = 0; |
| 13091 | /* compute first implicit argument if a structure is returned */ |
| 13092 | if ((s->type.t & VT_BTYPE) == VT_STRUCT) { |
| 13093 | /* get some space for the returned structure */ |
| 13094 | size = type_size(&s->type, &align); |
| 13095 | loc = (loc - size) & -align; |
| 13096 | ret.type = s->type; |
| 13097 | ret.r = VT_LOCAL | VT_LVAL; |
| 13098 | /* pass it as 'int' to avoid structure arg passing |
| 13099 | problems */ |
| 13100 | vseti(VT_LOCAL, loc); |
| 13101 | ret.c = vtop->c; |
| 13102 | nb_args++; |
| 13103 | } else { |
| 13104 | ret.type = s->type; |
| 13105 | ret.r2 = VT_CONST; |
| 13106 | /* return in register */ |
| 13107 | if (is_float(ret.type.t)) { |
| 13108 | ret.r = REG_FRET; |
| 13109 | } else { |
| 13110 | if ((ret.type.t & VT_BTYPE) == VT_LLONG) |
| 13111 | ret.r2 = REG_LRET; |
| 13112 | ret.r = REG_IRET; |
| 13113 | } |
| 13114 | ret.c.i = 0; |
| 13115 | } |
| 13116 | if (tok != ')') { |
| 13117 | for(;;) { |
| 13118 | expr_eq(); |
| 13119 | gfunc_param_typed(s, sa); |
| 13120 | nb_args++; |
| 13121 | if (sa) |
| 13122 | sa = sa->next; |
| 13123 | if (tok == ')') |
| 13124 | break; |
| 13125 | skip(','); |
| 13126 | } |
| 13127 | } |
| 13128 | if (sa) |
| 13129 | error("too few arguments to function"); |
| 13130 | skip(')'); |
| 13131 | if (!nocode_wanted) { |
| 13132 | gfunc_call(nb_args); |
| 13133 | } else { |
| 13134 | vtop -= (nb_args + 1); |
| 13135 | } |
| 13136 | /* return value */ |
| 13137 | vsetc(&ret.type, ret.r, &ret.c); |
| 13138 | vtop->r2 = ret.r2; |
| 13139 | } else { |
| 13140 | break; |
| 13141 | } |
| 13142 | } |
| 13143 | } |
| 13144 | |
| 13145 | static void uneq(void) |
| 13146 | { |
| 13147 | int t; |
| 13148 | |
| 13149 | unary(); |
| 13150 | if (tok == '=' || |
| 13151 | (tok >= TOK_A_MOD && tok <= TOK_A_DIV) || |
| 13152 | tok == TOK_A_XOR || tok == TOK_A_OR || |
| 13153 | tok == TOK_A_SHL || tok == TOK_A_SAR) { |
| 13154 | test_lvalue(); |
| 13155 | t = tok; |
| 13156 | next(); |
| 13157 | if (t == '=') { |
| 13158 | expr_eq(); |
| 13159 | } else { |
| 13160 | vdup(); |
| 13161 | expr_eq(); |
| 13162 | gen_op(t & 0x7f); |
| 13163 | } |
| 13164 | vstore(); |
| 13165 | } |
| 13166 | } |
| 13167 | |
| 13168 | static void expr_prod(void) |
| 13169 | { |
| 13170 | int t; |
| 13171 | |
| 13172 | uneq(); |
| 13173 | while (tok == '*' || tok == '/' || tok == '%') { |
| 13174 | t = tok; |
| 13175 | next(); |
| 13176 | uneq(); |
| 13177 | gen_op(t); |
| 13178 | } |
| 13179 | } |
| 13180 | |
| 13181 | static void expr_sum(void) |
| 13182 | { |
| 13183 | int t; |
| 13184 | |
| 13185 | expr_prod(); |
| 13186 | while (tok == '+' || tok == '-') { |
| 13187 | t = tok; |
| 13188 | next(); |
| 13189 | expr_prod(); |
| 13190 | gen_op(t); |
| 13191 | } |
| 13192 | } |
| 13193 | |
| 13194 | static void expr_shift(void) |
| 13195 | { |
| 13196 | int t; |
| 13197 | |
| 13198 | expr_sum(); |
| 13199 | while (tok == TOK_SHL || tok == TOK_SAR) { |
| 13200 | t = tok; |
| 13201 | next(); |
| 13202 | expr_sum(); |
| 13203 | gen_op(t); |
| 13204 | } |
| 13205 | } |
| 13206 | |
| 13207 | static void expr_cmp(void) |
| 13208 | { |
| 13209 | int t; |
| 13210 | |
| 13211 | expr_shift(); |
| 13212 | while ((tok >= TOK_ULE && tok <= TOK_GT) || |
| 13213 | tok == TOK_ULT || tok == TOK_UGE) { |
| 13214 | t = tok; |
| 13215 | next(); |
| 13216 | expr_shift(); |
| 13217 | gen_op(t); |
| 13218 | } |
| 13219 | } |
| 13220 | |
| 13221 | static void expr_cmpeq(void) |
| 13222 | { |
| 13223 | int t; |
| 13224 | |
| 13225 | expr_cmp(); |
| 13226 | while (tok == TOK_EQ || tok == TOK_NE) { |
| 13227 | t = tok; |
| 13228 | next(); |
| 13229 | expr_cmp(); |
| 13230 | gen_op(t); |
| 13231 | } |
| 13232 | } |
| 13233 | |
| 13234 | static void expr_and(void) |
| 13235 | { |
| 13236 | expr_cmpeq(); |
| 13237 | while (tok == '&') { |
| 13238 | next(); |
| 13239 | expr_cmpeq(); |
| 13240 | gen_op('&'); |
| 13241 | } |
| 13242 | } |
| 13243 | |
| 13244 | static void expr_xor(void) |
| 13245 | { |
| 13246 | expr_and(); |
| 13247 | while (tok == '^') { |
| 13248 | next(); |
| 13249 | expr_and(); |
| 13250 | gen_op('^'); |
| 13251 | } |
| 13252 | } |
| 13253 | |
| 13254 | static void expr_or(void) |
| 13255 | { |
| 13256 | expr_xor(); |
| 13257 | while (tok == '|') { |
| 13258 | next(); |
| 13259 | expr_xor(); |
| 13260 | gen_op('|'); |
| 13261 | } |
| 13262 | } |
| 13263 | |
| 13264 | /* XXX: fix this mess */ |
| 13265 | static void expr_land_const(void) |
| 13266 | { |
| 13267 | expr_or(); |
| 13268 | while (tok == TOK_LAND) { |
| 13269 | next(); |
| 13270 | expr_or(); |
| 13271 | gen_op(TOK_LAND); |
| 13272 | } |
| 13273 | } |
| 13274 | |
| 13275 | /* XXX: fix this mess */ |
| 13276 | static void expr_lor_const(void) |
| 13277 | { |
| 13278 | expr_land_const(); |
| 13279 | while (tok == TOK_LOR) { |
| 13280 | next(); |
| 13281 | expr_land_const(); |
| 13282 | gen_op(TOK_LOR); |
| 13283 | } |
| 13284 | } |
| 13285 | |
| 13286 | /* only used if non constant */ |
| 13287 | static void expr_land(void) |
| 13288 | { |
| 13289 | int t; |
| 13290 | |
| 13291 | expr_or(); |
| 13292 | if (tok == TOK_LAND) { |
| 13293 | t = 0; |
| 13294 | for(;;) { |
| 13295 | t = gtst(1, t); |
| 13296 | if (tok != TOK_LAND) { |
| 13297 | vseti(VT_JMPI, t); |
| 13298 | break; |
| 13299 | } |
| 13300 | next(); |
| 13301 | expr_or(); |
| 13302 | } |
| 13303 | } |
| 13304 | } |
| 13305 | |
| 13306 | static void expr_lor(void) |
| 13307 | { |
| 13308 | int t; |
| 13309 | |
| 13310 | expr_land(); |
| 13311 | if (tok == TOK_LOR) { |
| 13312 | t = 0; |
| 13313 | for(;;) { |
| 13314 | t = gtst(0, t); |
| 13315 | if (tok != TOK_LOR) { |
| 13316 | vseti(VT_JMP, t); |
| 13317 | break; |
| 13318 | } |
| 13319 | next(); |
| 13320 | expr_land(); |
| 13321 | } |
| 13322 | } |
| 13323 | } |
| 13324 | |
| 13325 | /* XXX: better constant handling */ |
| 13326 | static void expr_eq(void) |
| 13327 | { |
| 13328 | int tt, u, r1, r2, rc, t1, t2, bt1, bt2; |
| 13329 | SValue sv; |
| 13330 | CType type, type1, type2; |
| 13331 | |
| 13332 | if (const_wanted) { |
| 13333 | int c1, c; |
| 13334 | expr_lor_const(); |
| 13335 | if (tok == '?') { |
| 13336 | c = vtop->c.i; |
| 13337 | vpop(); |
| 13338 | next(); |
| 13339 | if (tok == ':' && gnu_ext) { |
| 13340 | c1 = c; |
| 13341 | } else { |
| 13342 | gexpr(); |
| 13343 | c1 = vtop->c.i; |
| 13344 | vpop(); |
| 13345 | } |
| 13346 | skip(':'); |
| 13347 | expr_eq(); |
| 13348 | if (c) |
| 13349 | vtop->c.i = c1; |
| 13350 | } |
| 13351 | } else { |
| 13352 | expr_lor(); |
| 13353 | if (tok == '?') { |
| 13354 | next(); |
| 13355 | if (vtop != vstack) { |
| 13356 | /* needed to avoid having different registers saved in |
| 13357 | each branch */ |
| 13358 | if (is_float(vtop->type.t)) |
| 13359 | rc = RC_FLOAT; |
| 13360 | else |
| 13361 | rc = RC_INT; |
| 13362 | gv(rc); |
| 13363 | save_regs(1); |
| 13364 | } |
| 13365 | if (tok == ':' && gnu_ext) { |
| 13366 | gv_dup(); |
| 13367 | tt = gtst(1, 0); |
| 13368 | } else { |
| 13369 | tt = gtst(1, 0); |
| 13370 | gexpr(); |
| 13371 | } |
| 13372 | type1 = vtop->type; |
| 13373 | sv = *vtop; /* save value to handle it later */ |
| 13374 | vtop--; /* no vpop so that FP stack is not flushed */ |
| 13375 | skip(':'); |
| 13376 | u = gjmp(0); |
| 13377 | gsym(tt); |
| 13378 | expr_eq(); |
| 13379 | type2 = vtop->type; |
| 13380 | |
| 13381 | t1 = type1.t; |
| 13382 | bt1 = t1 & VT_BTYPE; |
| 13383 | t2 = type2.t; |
| 13384 | bt2 = t2 & VT_BTYPE; |
| 13385 | /* cast operands to correct type according to ISOC rules */ |
| 13386 | if (is_float(bt1) || is_float(bt2)) { |
| 13387 | if (bt1 == VT_LDOUBLE || bt2 == VT_LDOUBLE) { |
| 13388 | type.t = VT_LDOUBLE; |
| 13389 | } else if (bt1 == VT_DOUBLE || bt2 == VT_DOUBLE) { |
| 13390 | type.t = VT_DOUBLE; |
| 13391 | } else { |
| 13392 | type.t = VT_FLOAT; |
| 13393 | } |
| 13394 | } else if (bt1 == VT_LLONG || bt2 == VT_LLONG) { |
| 13395 | /* cast to biggest op */ |
| 13396 | type.t = VT_LLONG; |
| 13397 | /* convert to unsigned if it does not fit in a long long */ |
| 13398 | if ((t1 & (VT_BTYPE | VT_UNSIGNED)) == (VT_LLONG | VT_UNSIGNED) || |
| 13399 | (t2 & (VT_BTYPE | VT_UNSIGNED)) == (VT_LLONG | VT_UNSIGNED)) |
| 13400 | type.t |= VT_UNSIGNED; |
| 13401 | } else if (bt1 == VT_PTR || bt2 == VT_PTR) { |
| 13402 | /* XXX: test pointer compatibility */ |
| 13403 | type = type1; |
| 13404 | } else if (bt1 == VT_STRUCT || bt2 == VT_STRUCT) { |
| 13405 | /* XXX: test structure compatibility */ |
| 13406 | type = type1; |
| 13407 | } else if (bt1 == VT_VOID || bt2 == VT_VOID) { |
| 13408 | /* NOTE: as an extension, we accept void on only one side */ |
| 13409 | type.t = VT_VOID; |
| 13410 | } else { |
| 13411 | /* integer operations */ |
| 13412 | type.t = VT_INT; |
| 13413 | /* convert to unsigned if it does not fit in an integer */ |
| 13414 | if ((t1 & (VT_BTYPE | VT_UNSIGNED)) == (VT_INT | VT_UNSIGNED) || |
| 13415 | (t2 & (VT_BTYPE | VT_UNSIGNED)) == (VT_INT | VT_UNSIGNED)) |
| 13416 | type.t |= VT_UNSIGNED; |
| 13417 | } |
| 13418 | |
| 13419 | /* now we convert second operand */ |
| 13420 | gen_cast(&type); |
| 13421 | rc = RC_INT; |
| 13422 | if (is_float(type.t)) { |
| 13423 | rc = RC_FLOAT; |
| 13424 | } else if ((type.t & VT_BTYPE) == VT_LLONG) { |
| 13425 | /* for long longs, we use fixed registers to avoid having |
| 13426 | to handle a complicated move */ |
| 13427 | rc = RC_IRET; |
| 13428 | } |
| 13429 | |
| 13430 | r2 = gv(rc); |
| 13431 | /* this is horrible, but we must also convert first |
| 13432 | operand */ |
| 13433 | tt = gjmp(0); |
| 13434 | gsym(u); |
| 13435 | /* put again first value and cast it */ |
| 13436 | *vtop = sv; |
| 13437 | gen_cast(&type); |
| 13438 | r1 = gv(rc); |
| 13439 | move_reg(r2, r1); |
| 13440 | vtop->r = r2; |
| 13441 | gsym(tt); |
| 13442 | } |
| 13443 | } |
| 13444 | } |
| 13445 | |
| 13446 | static void gexpr(void) |
| 13447 | { |
| 13448 | while (1) { |
| 13449 | expr_eq(); |
| 13450 | if (tok != ',') |
| 13451 | break; |
| 13452 | vpop(); |
| 13453 | next(); |
| 13454 | } |
| 13455 | } |
| 13456 | |
| 13457 | /* parse an expression and return its type without any side effect. */ |
| 13458 | static void expr_type(CType *type) |
| 13459 | { |
| 13460 | int saved_nocode_wanted; |
| 13461 | |
| 13462 | saved_nocode_wanted = nocode_wanted; |
| 13463 | nocode_wanted = 1; |
| 13464 | gexpr(); |
| 13465 | *type = vtop->type; |
| 13466 | vpop(); |
| 13467 | nocode_wanted = saved_nocode_wanted; |
| 13468 | } |
| 13469 | |
| 13470 | /* parse a unary expression and return its type without any side |
| 13471 | effect. */ |
| 13472 | static void unary_type(CType *type) |
| 13473 | { |
| 13474 | int a; |
| 13475 | |
| 13476 | a = nocode_wanted; |
| 13477 | nocode_wanted = 1; |
| 13478 | unary(); |
| 13479 | *type = vtop->type; |
| 13480 | vpop(); |
| 13481 | nocode_wanted = a; |
| 13482 | } |
| 13483 | |
| 13484 | /* parse a constant expression and return value in vtop. */ |
| 13485 | static void expr_const1(void) |
| 13486 | { |
| 13487 | int a; |
| 13488 | a = const_wanted; |
| 13489 | const_wanted = 1; |
| 13490 | expr_eq(); |
| 13491 | const_wanted = a; |
| 13492 | } |
| 13493 | |
| 13494 | /* parse an integer constant and return its value. */ |
| 13495 | static int expr_const(void) |
| 13496 | { |
| 13497 | int c; |
| 13498 | expr_const1(); |
| 13499 | if ((vtop->r & (VT_VALMASK | VT_LVAL | VT_SYM)) != VT_CONST) |
| 13500 | expect("constant expression"); |
| 13501 | c = vtop->c.i; |
| 13502 | vpop(); |
| 13503 | return c; |
| 13504 | } |
| 13505 | |
| 13506 | /* return the label token if current token is a label, otherwise |
| 13507 | return zero */ |
| 13508 | static int is_label(void) |
| 13509 | { |
| 13510 | int last_tok; |
| 13511 | |
| 13512 | /* fast test first */ |
| 13513 | if (tok < TOK_UIDENT) |
| 13514 | return 0; |
| 13515 | /* no need to save tokc because tok is an identifier */ |
| 13516 | last_tok = tok; |
| 13517 | next(); |
| 13518 | if (tok == ':') { |
| 13519 | next(); |
| 13520 | return last_tok; |
| 13521 | } else { |
| 13522 | unget_tok(last_tok); |
| 13523 | return 0; |
| 13524 | } |
| 13525 | } |
| 13526 | |
| 13527 | static void block(int *bsym, int *csym, int *case_sym, int *def_sym, |
| 13528 | int case_reg, int is_expr) |
| 13529 | { |
| 13530 | int a, b, c, d; |
| 13531 | Sym *s; |
| 13532 | |
| 13533 | /* generate line number info */ |
| 13534 | if (do_debug && |
| 13535 | (last_line_num != file->line_num || last_ind != ind)) { |
| 13536 | put_stabn(N_SLINE, 0, file->line_num, ind - func_ind); |
| 13537 | last_ind = ind; |
| 13538 | last_line_num = file->line_num; |
| 13539 | } |
| 13540 | |
| 13541 | if (is_expr) { |
| 13542 | /* default return value is (void) */ |
| 13543 | vpushi(0); |
| 13544 | vtop->type.t = VT_VOID; |
| 13545 | } |
| 13546 | |
| 13547 | if (tok == TOK_IF) { |
| 13548 | /* if test */ |
| 13549 | next(); |
| 13550 | skip('('); |
| 13551 | gexpr(); |
| 13552 | skip(')'); |
| 13553 | a = gtst(1, 0); |
| 13554 | block(bsym, csym, case_sym, def_sym, case_reg, 0); |
| 13555 | c = tok; |
| 13556 | if (c == TOK_ELSE) { |
| 13557 | next(); |
| 13558 | d = gjmp(0); |
| 13559 | gsym(a); |
| 13560 | block(bsym, csym, case_sym, def_sym, case_reg, 0); |
| 13561 | gsym(d); /* patch else jmp */ |
| 13562 | } else |
| 13563 | gsym(a); |
| 13564 | } else if (tok == TOK_WHILE) { |
| 13565 | next(); |
| 13566 | d = ind; |
| 13567 | skip('('); |
| 13568 | gexpr(); |
| 13569 | skip(')'); |
| 13570 | a = gtst(1, 0); |
| 13571 | b = 0; |
| 13572 | block(&a, &b, case_sym, def_sym, case_reg, 0); |
| 13573 | gjmp_addr(d); |
| 13574 | gsym(a); |
| 13575 | gsym_addr(b, d); |
| 13576 | } else if (tok == '{') { |
| 13577 | Sym *llabel; |
| 13578 | |
| 13579 | next(); |
| 13580 | /* record local declaration stack position */ |
| 13581 | s = local_stack; |
| 13582 | llabel = local_label_stack; |
| 13583 | /* handle local labels declarations */ |
| 13584 | if (tok == TOK_LABEL) { |
| 13585 | next(); |
| 13586 | for(;;) { |
| 13587 | if (tok < TOK_UIDENT) |
| 13588 | expect("label identifier"); |
| 13589 | label_push(&local_label_stack, tok, LABEL_DECLARED); |
| 13590 | next(); |
| 13591 | if (tok == ',') { |
| 13592 | next(); |
| 13593 | } else { |
| 13594 | skip(';'); |
| 13595 | break; |
| 13596 | } |
| 13597 | } |
| 13598 | } |
| 13599 | while (tok != '}') { |
| 13600 | decl(VT_LOCAL); |
| 13601 | if (tok != '}') { |
| 13602 | if (is_expr) |
| 13603 | vpop(); |
| 13604 | block(bsym, csym, case_sym, def_sym, case_reg, is_expr); |
| 13605 | } |
| 13606 | } |
| 13607 | /* pop locally defined labels */ |
| 13608 | label_pop(&local_label_stack, llabel); |
| 13609 | /* pop locally defined symbols */ |
| 13610 | sym_pop(&local_stack, s); |
| 13611 | next(); |
| 13612 | } else if (tok == TOK_RETURN) { |
| 13613 | next(); |
| 13614 | if (tok != ';') { |
| 13615 | gexpr(); |
| 13616 | gen_assign_cast(&func_vt); |
| 13617 | if ((func_vt.t & VT_BTYPE) == VT_STRUCT) { |
| 13618 | CType type; |
| 13619 | /* if returning structure, must copy it to implicit |
| 13620 | first pointer arg location */ |
| 13621 | type = func_vt; |
| 13622 | mk_pointer(&type); |
| 13623 | vset(&type, VT_LOCAL | VT_LVAL, func_vc); |
| 13624 | indir(); |
| 13625 | vswap(); |
| 13626 | /* copy structure value to pointer */ |
| 13627 | vstore(); |
| 13628 | } else if (is_float(func_vt.t)) { |
| 13629 | gv(RC_FRET); |
| 13630 | } else { |
| 13631 | gv(RC_IRET); |
| 13632 | } |
| 13633 | vtop--; /* NOT vpop() because on x86 it would flush the fp stack */ |
| 13634 | } |
| 13635 | skip(';'); |
| 13636 | rsym = gjmp(rsym); /* jmp */ |
| 13637 | } else if (tok == TOK_BREAK) { |
| 13638 | /* compute jump */ |
| 13639 | if (!bsym) |
| 13640 | error("cannot break"); |
| 13641 | *bsym = gjmp(*bsym); |
| 13642 | next(); |
| 13643 | skip(';'); |
| 13644 | } else if (tok == TOK_CONTINUE) { |
| 13645 | /* compute jump */ |
| 13646 | if (!csym) |
| 13647 | error("cannot continue"); |
| 13648 | *csym = gjmp(*csym); |
| 13649 | next(); |
| 13650 | skip(';'); |
| 13651 | } else if (tok == TOK_FOR) { |
| 13652 | int e; |
| 13653 | next(); |
| 13654 | skip('('); |
| 13655 | if (tok != ';') { |
| 13656 | gexpr(); |
| 13657 | vpop(); |
| 13658 | } |
| 13659 | skip(';'); |
| 13660 | d = ind; |
| 13661 | c = ind; |
| 13662 | a = 0; |
| 13663 | b = 0; |
| 13664 | if (tok != ';') { |
| 13665 | gexpr(); |
| 13666 | a = gtst(1, 0); |
| 13667 | } |
| 13668 | skip(';'); |
| 13669 | if (tok != ')') { |
| 13670 | e = gjmp(0); |
| 13671 | c = ind; |
| 13672 | gexpr(); |
| 13673 | vpop(); |
| 13674 | gjmp_addr(d); |
| 13675 | gsym(e); |
| 13676 | } |
| 13677 | skip(')'); |
| 13678 | block(&a, &b, case_sym, def_sym, case_reg, 0); |
| 13679 | gjmp_addr(c); |
| 13680 | gsym(a); |
| 13681 | gsym_addr(b, c); |
| 13682 | } else |
| 13683 | if (tok == TOK_DO) { |
| 13684 | next(); |
| 13685 | a = 0; |
| 13686 | b = 0; |
| 13687 | d = ind; |
| 13688 | block(&a, &b, case_sym, def_sym, case_reg, 0); |
| 13689 | skip(TOK_WHILE); |
| 13690 | skip('('); |
| 13691 | gsym(b); |
| 13692 | gexpr(); |
| 13693 | c = gtst(0, 0); |
| 13694 | gsym_addr(c, d); |
| 13695 | skip(')'); |
| 13696 | gsym(a); |
| 13697 | skip(';'); |
| 13698 | } else |
| 13699 | if (tok == TOK_SWITCH) { |
| 13700 | next(); |
| 13701 | skip('('); |
| 13702 | gexpr(); |
| 13703 | /* XXX: other types than integer */ |
| 13704 | case_reg = gv(RC_INT); |
| 13705 | vpop(); |
| 13706 | skip(')'); |
| 13707 | a = 0; |
| 13708 | b = gjmp(0); /* jump to first case */ |
| 13709 | c = 0; |
| 13710 | block(&a, csym, &b, &c, case_reg, 0); |
| 13711 | /* if no default, jmp after switch */ |
| 13712 | if (c == 0) |
| 13713 | c = ind; |
| 13714 | /* default label */ |
| 13715 | gsym_addr(b, c); |
| 13716 | /* break label */ |
| 13717 | gsym(a); |
| 13718 | } else |
| 13719 | if (tok == TOK_CASE) { |
| 13720 | int v1, v2; |
| 13721 | if (!case_sym) |
| 13722 | expect("switch"); |
| 13723 | next(); |
| 13724 | v1 = expr_const(); |
| 13725 | v2 = v1; |
| 13726 | if (gnu_ext && tok == TOK_DOTS) { |
| 13727 | next(); |
| 13728 | v2 = expr_const(); |
| 13729 | if (v2 < v1) |
| 13730 | warning("empty case range"); |
| 13731 | } |
| 13732 | /* since a case is like a label, we must skip it with a jmp */ |
| 13733 | b = gjmp(0); |
| 13734 | gsym(*case_sym); |
| 13735 | vseti(case_reg, 0); |
| 13736 | vpushi(v1); |
| 13737 | if (v1 == v2) { |
| 13738 | gen_op(TOK_EQ); |
| 13739 | *case_sym = gtst(1, 0); |
| 13740 | } else { |
| 13741 | gen_op(TOK_GE); |
| 13742 | *case_sym = gtst(1, 0); |
| 13743 | vseti(case_reg, 0); |
| 13744 | vpushi(v2); |
| 13745 | gen_op(TOK_LE); |
| 13746 | *case_sym = gtst(1, *case_sym); |
| 13747 | } |
| 13748 | gsym(b); |
| 13749 | skip(':'); |
| 13750 | is_expr = 0; |
| 13751 | goto block_after_label; |
| 13752 | } else |
| 13753 | if (tok == TOK_DEFAULT) { |
| 13754 | next(); |
| 13755 | skip(':'); |
| 13756 | if (!def_sym) |
| 13757 | expect("switch"); |
| 13758 | if (*def_sym) |
| 13759 | error("too many 'default'"); |
| 13760 | *def_sym = ind; |
| 13761 | is_expr = 0; |
| 13762 | goto block_after_label; |
| 13763 | } else |
| 13764 | if (tok == TOK_GOTO) { |
| 13765 | next(); |
| 13766 | if (tok == '*' && gnu_ext) { |
| 13767 | /* computed goto */ |
| 13768 | next(); |
| 13769 | gexpr(); |
| 13770 | if ((vtop->type.t & VT_BTYPE) != VT_PTR) |
| 13771 | expect("pointer"); |
| 13772 | ggoto(); |
| 13773 | } else if (tok >= TOK_UIDENT) { |
| 13774 | s = label_find(tok); |
| 13775 | /* put forward definition if needed */ |
| 13776 | if (!s) { |
| 13777 | s = label_push(&global_label_stack, tok, LABEL_FORWARD); |
| 13778 | } else { |
| 13779 | if (s->r == LABEL_DECLARED) |
| 13780 | s->r = LABEL_FORWARD; |
| 13781 | } |
| 13782 | /* label already defined */ |
| 13783 | if (s->r & LABEL_FORWARD) |
| 13784 | s->next = (void *)gjmp((long)s->next); |
| 13785 | else |
| 13786 | gjmp_addr((long)s->next); |
| 13787 | next(); |
| 13788 | } else { |
| 13789 | expect("label identifier"); |
| 13790 | } |
| 13791 | skip(';'); |
| 13792 | } else if (tok == TOK_ASM1 || tok == TOK_ASM2 || tok == TOK_ASM3) { |
| 13793 | asm_instr(); |
| 13794 | } else { |
| 13795 | b = is_label(); |
| 13796 | if (b) { |
| 13797 | /* label case */ |
| 13798 | s = label_find(b); |
| 13799 | if (s) { |
| 13800 | if (s->r == LABEL_DEFINED) |
| 13801 | error("duplicate label '%s'", get_tok_str(s->v, NULL)); |
| 13802 | gsym((long)s->next); |
| 13803 | s->r = LABEL_DEFINED; |
| 13804 | } else { |
| 13805 | s = label_push(&global_label_stack, b, LABEL_DEFINED); |
| 13806 | } |
| 13807 | s->next = (void *)ind; |
| 13808 | /* we accept this, but it is a mistake */ |
| 13809 | block_after_label: |
| 13810 | if (tok == '}') { |
| 13811 | warning("deprecated use of label at end of compound statement"); |
| 13812 | } else { |
| 13813 | if (is_expr) |
| 13814 | vpop(); |
| 13815 | block(bsym, csym, case_sym, def_sym, case_reg, is_expr); |
| 13816 | } |
| 13817 | } else { |
| 13818 | /* expression case */ |
| 13819 | if (tok != ';') { |
| 13820 | if (is_expr) { |
| 13821 | vpop(); |
| 13822 | gexpr(); |
| 13823 | } else { |
| 13824 | gexpr(); |
| 13825 | vpop(); |
| 13826 | } |
| 13827 | } |
| 13828 | skip(';'); |
| 13829 | } |
| 13830 | } |
| 13831 | } |
| 13832 | |
| 13833 | /* t is the array or struct type. c is the array or struct |
| 13834 | address. cur_index/cur_field is the pointer to the current |
| 13835 | value. 'size_only' is true if only size info is needed (only used |
| 13836 | in arrays) */ |
| 13837 | static void decl_designator(CType *type, Section *sec, unsigned long c, |
| 13838 | int *cur_index, Sym **cur_field, |
| 13839 | int size_only) |
| 13840 | { |
| 13841 | Sym *s, *f; |
| 13842 | int notfirst, index, index_last, align, l, nb_elems, elem_size; |
| 13843 | CType type1; |
| 13844 | |
| 13845 | notfirst = 0; |
| 13846 | elem_size = 0; |
| 13847 | nb_elems = 1; |
| 13848 | if (gnu_ext && (l = is_label()) != 0) |
| 13849 | goto struct_field; |
| 13850 | while (tok == '[' || tok == '.') { |
| 13851 | if (tok == '[') { |
| 13852 | if (!(type->t & VT_ARRAY)) |
| 13853 | expect("array type"); |
| 13854 | s = type->ref; |
| 13855 | next(); |
| 13856 | index = expr_const(); |
| 13857 | if (index < 0 || (s->c >= 0 && index >= s->c)) |
| 13858 | expect("invalid index"); |
| 13859 | if (tok == TOK_DOTS && gnu_ext) { |
| 13860 | next(); |
| 13861 | index_last = expr_const(); |
| 13862 | if (index_last < 0 || |
| 13863 | (s->c >= 0 && index_last >= s->c) || |
| 13864 | index_last < index) |
| 13865 | expect("invalid index"); |
| 13866 | } else { |
| 13867 | index_last = index; |
| 13868 | } |
| 13869 | skip(']'); |
| 13870 | if (!notfirst) |
| 13871 | *cur_index = index_last; |
| 13872 | type = pointed_type(type); |
| 13873 | elem_size = type_size(type, &align); |
| 13874 | c += index * elem_size; |
| 13875 | /* NOTE: we only support ranges for last designator */ |
| 13876 | nb_elems = index_last - index + 1; |
| 13877 | if (nb_elems != 1) { |
| 13878 | notfirst = 1; |
| 13879 | break; |
| 13880 | } |
| 13881 | } else { |
| 13882 | next(); |
| 13883 | l = tok; |
| 13884 | next(); |
| 13885 | struct_field: |
| 13886 | if ((type->t & VT_BTYPE) != VT_STRUCT) |
| 13887 | expect("struct/union type"); |
| 13888 | s = type->ref; |
| 13889 | l |= SYM_FIELD; |
| 13890 | f = s->next; |
| 13891 | while (f) { |
| 13892 | if (f->v == l) |
| 13893 | break; |
| 13894 | f = f->next; |
| 13895 | } |
| 13896 | if (!f) |
| 13897 | expect("field"); |
| 13898 | if (!notfirst) |
| 13899 | *cur_field = f; |
| 13900 | /* XXX: fix this mess by using explicit storage field */ |
| 13901 | type1 = f->type; |
| 13902 | type1.t |= (type->t & ~VT_TYPE); |
| 13903 | type = &type1; |
| 13904 | c += f->c; |
| 13905 | } |
| 13906 | notfirst = 1; |
| 13907 | } |
| 13908 | if (notfirst) { |
| 13909 | if (tok == '=') { |
| 13910 | next(); |
| 13911 | } else { |
| 13912 | if (!gnu_ext) |
| 13913 | expect("="); |
| 13914 | } |
| 13915 | } else { |
| 13916 | if (type->t & VT_ARRAY) { |
| 13917 | index = *cur_index; |
| 13918 | type = pointed_type(type); |
| 13919 | c += index * type_size(type, &align); |
| 13920 | } else { |
| 13921 | f = *cur_field; |
| 13922 | if (!f) |
| 13923 | error("too many field init"); |
| 13924 | /* XXX: fix this mess by using explicit storage field */ |
| 13925 | type1 = f->type; |
| 13926 | type1.t |= (type->t & ~VT_TYPE); |
| 13927 | type = &type1; |
| 13928 | c += f->c; |
| 13929 | } |
| 13930 | } |
| 13931 | decl_initializer(type, sec, c, 0, size_only); |
| 13932 | |
| 13933 | /* XXX: make it more general */ |
| 13934 | if (!size_only && nb_elems > 1) { |
| 13935 | unsigned long c_end; |
| 13936 | uint8_t *src, *dst; |
| 13937 | int i; |
| 13938 | |
| 13939 | if (!sec) |
| 13940 | error("range init not supported yet for dynamic storage"); |
| 13941 | c_end = c + nb_elems * elem_size; |
| 13942 | if (c_end > sec->data_allocated) |
| 13943 | section_realloc(sec, c_end); |
| 13944 | src = sec->data + c; |
| 13945 | dst = src; |
| 13946 | for(i = 1; i < nb_elems; i++) { |
| 13947 | dst += elem_size; |
| 13948 | memcpy(dst, src, elem_size); |
| 13949 | } |
| 13950 | } |
| 13951 | } |
| 13952 | |
| 13953 | #define EXPR_VAL 0 |
| 13954 | #define EXPR_CONST 1 |
| 13955 | #define EXPR_ANY 2 |
| 13956 | |
| 13957 | /* store a value or an expression directly in global data or in local array */ |
| 13958 | static void init_putv(CType *type, Section *sec, unsigned long c, |
| 13959 | int v, int expr_type) |
| 13960 | { |
| 13961 | int saved_global_expr, bt, bit_pos, bit_size; |
| 13962 | void *ptr; |
| 13963 | unsigned long long bit_mask; |
| 13964 | CType dtype; |
| 13965 | |
| 13966 | switch(expr_type) { |
| 13967 | case EXPR_VAL: |
| 13968 | vpushi(v); |
| 13969 | break; |
| 13970 | case EXPR_CONST: |
| 13971 | /* compound literals must be allocated globally in this case */ |
| 13972 | saved_global_expr = global_expr; |
| 13973 | global_expr = 1; |
| 13974 | expr_const1(); |
| 13975 | global_expr = saved_global_expr; |
| 13976 | /* NOTE: symbols are accepted */ |
| 13977 | if ((vtop->r & (VT_VALMASK | VT_LVAL)) != VT_CONST) |
| 13978 | error("initializer element is not constant"); |
| 13979 | break; |
| 13980 | case EXPR_ANY: |
| 13981 | expr_eq(); |
| 13982 | break; |
| 13983 | } |
| 13984 | |
| 13985 | dtype = *type; |
| 13986 | dtype.t &= ~VT_CONSTANT; /* need to do that to avoid false warning */ |
| 13987 | |
| 13988 | if (sec) { |
| 13989 | /* XXX: not portable */ |
| 13990 | /* XXX: generate error if incorrect relocation */ |
| 13991 | gen_assign_cast(&dtype); |
| 13992 | bt = type->t & VT_BTYPE; |
| 13993 | ptr = sec->data + c; |
| 13994 | /* XXX: make code faster ? */ |
| 13995 | if (!(type->t & VT_BITFIELD)) { |
| 13996 | bit_pos = 0; |
| 13997 | bit_size = 32; |
| 13998 | bit_mask = -1LL; |
| 13999 | } else { |
| 14000 | bit_pos = (vtop->type.t >> VT_STRUCT_SHIFT) & 0x3f; |
| 14001 | bit_size = (vtop->type.t >> (VT_STRUCT_SHIFT + 6)) & 0x3f; |
| 14002 | bit_mask = (1LL << bit_size) - 1; |
| 14003 | } |
| 14004 | if ((vtop->r & VT_SYM) && |
| 14005 | (bt == VT_BYTE || |
| 14006 | bt == VT_SHORT || |
| 14007 | bt == VT_DOUBLE || |
| 14008 | bt == VT_LDOUBLE || |
| 14009 | bt == VT_LLONG || |
| 14010 | (bt == VT_INT && bit_size != 32))) |
| 14011 | error("initializer element is not computable at load time"); |
| 14012 | switch(bt) { |
| 14013 | case VT_BYTE: |
| 14014 | *(char *)ptr |= (vtop->c.i & bit_mask) << bit_pos; |
| 14015 | break; |
| 14016 | case VT_SHORT: |
| 14017 | *(short *)ptr |= (vtop->c.i & bit_mask) << bit_pos; |
| 14018 | break; |
| 14019 | case VT_DOUBLE: |
| 14020 | *(double *)ptr = vtop->c.d; |
| 14021 | break; |
| 14022 | case VT_LDOUBLE: |
| 14023 | *(long double *)ptr = vtop->c.ld; |
| 14024 | break; |
| 14025 | case VT_LLONG: |
| 14026 | *(long long *)ptr |= (vtop->c.ll & bit_mask) << bit_pos; |
| 14027 | break; |
| 14028 | default: |
| 14029 | if (vtop->r & VT_SYM) { |
| 14030 | greloc(sec, vtop->sym, c, R_DATA_32); |
| 14031 | } |
| 14032 | *(int *)ptr |= (vtop->c.i & bit_mask) << bit_pos; |
| 14033 | break; |
| 14034 | } |
| 14035 | vtop--; |
| 14036 | } else { |
| 14037 | vset(&dtype, VT_LOCAL, c); |
| 14038 | vswap(); |
| 14039 | vstore(); |
| 14040 | vpop(); |
| 14041 | } |
| 14042 | } |
| 14043 | |
| 14044 | /* put zeros for variable based init */ |
| 14045 | static void init_putz(CType *t, Section *sec, unsigned long c, int size) |
| 14046 | { |
| 14047 | if (sec) { |
| 14048 | /* nothing to do because globals are already set to zero */ |
| 14049 | } else { |
| 14050 | vpush_global_sym(&func_old_type, TOK_memset); |
| 14051 | vseti(VT_LOCAL, c); |
| 14052 | vpushi(0); |
| 14053 | vpushi(size); |
| 14054 | gfunc_call(3); |
| 14055 | } |
| 14056 | } |
| 14057 | |
| 14058 | /* 't' contains the type and storage info. 'c' is the offset of the |
| 14059 | object in section 'sec'. If 'sec' is NULL, it means stack based |
| 14060 | allocation. 'first' is true if array '{' must be read (multi |
| 14061 | dimension implicit array init handling). 'size_only' is true if |
| 14062 | size only evaluation is wanted (only for arrays). */ |
| 14063 | static void decl_initializer(CType *type, Section *sec, unsigned long c, |
| 14064 | int first, int size_only) |
| 14065 | { |
| 14066 | int index, array_length, n, no_oblock, nb, parlevel, i; |
| 14067 | int size1, align1, expr_type; |
| 14068 | Sym *s, *f; |
| 14069 | CType *t1; |
| 14070 | |
| 14071 | if (type->t & VT_ARRAY) { |
| 14072 | s = type->ref; |
| 14073 | n = s->c; |
| 14074 | array_length = 0; |
| 14075 | t1 = pointed_type(type); |
| 14076 | size1 = type_size(t1, &align1); |
| 14077 | |
| 14078 | no_oblock = 1; |
| 14079 | if ((first && tok != TOK_LSTR && tok != TOK_STR) || |
| 14080 | tok == '{') { |
| 14081 | skip('{'); |
| 14082 | no_oblock = 0; |
| 14083 | } |
| 14084 | |
| 14085 | /* only parse strings here if correct type (otherwise: handle |
| 14086 | them as ((w)char *) expressions */ |
| 14087 | if ((tok == TOK_LSTR && |
| 14088 | (t1->t & VT_BTYPE) == VT_INT) || |
| 14089 | (tok == TOK_STR && |
| 14090 | (t1->t & VT_BTYPE) == VT_BYTE)) { |
| 14091 | while (tok == TOK_STR || tok == TOK_LSTR) { |
| 14092 | int cstr_len, ch; |
| 14093 | CString *cstr; |
| 14094 | |
| 14095 | cstr = tokc.cstr; |
| 14096 | /* compute maximum number of chars wanted */ |
| 14097 | if (tok == TOK_STR) |
| 14098 | cstr_len = cstr->size; |
| 14099 | else |
| 14100 | cstr_len = cstr->size / sizeof(int); |
| 14101 | cstr_len--; |
| 14102 | nb = cstr_len; |
| 14103 | if (n >= 0 && nb > (n - array_length)) |
| 14104 | nb = n - array_length; |
| 14105 | if (!size_only) { |
| 14106 | if (cstr_len > nb) |
| 14107 | warning("initializer-string for array is too long"); |
| 14108 | /* in order to go faster for common case (char |
| 14109 | string in global variable, we handle it |
| 14110 | specifically */ |
| 14111 | if (sec && tok == TOK_STR && size1 == 1) { |
| 14112 | memcpy(sec->data + c + array_length, cstr->data, nb); |
| 14113 | } else { |
| 14114 | for(i=0;i<nb;i++) { |
| 14115 | if (tok == TOK_STR) |
| 14116 | ch = ((unsigned char *)cstr->data)[i]; |
| 14117 | else |
| 14118 | ch = ((int *)cstr->data)[i]; |
| 14119 | init_putv(t1, sec, c + (array_length + i) * size1, |
| 14120 | ch, EXPR_VAL); |
| 14121 | } |
| 14122 | } |
| 14123 | } |
| 14124 | array_length += nb; |
| 14125 | next(); |
| 14126 | } |
| 14127 | /* only add trailing zero if enough storage (no |
| 14128 | warning in this case since it is standard) */ |
| 14129 | if (n < 0 || array_length < n) { |
| 14130 | if (!size_only) { |
| 14131 | init_putv(t1, sec, c + (array_length * size1), 0, EXPR_VAL); |
| 14132 | } |
| 14133 | array_length++; |
| 14134 | } |
| 14135 | } else { |
| 14136 | index = 0; |
| 14137 | while (tok != '}') { |
| 14138 | decl_designator(type, sec, c, &index, NULL, size_only); |
| 14139 | if (n >= 0 && index >= n) |
| 14140 | error("index too large"); |
| 14141 | /* must put zero in holes (note that doing it that way |
| 14142 | ensures that it even works with designators) */ |
| 14143 | if (!size_only && array_length < index) { |
| 14144 | init_putz(t1, sec, c + array_length * size1, |
| 14145 | (index - array_length) * size1); |
| 14146 | } |
| 14147 | index++; |
| 14148 | if (index > array_length) |
| 14149 | array_length = index; |
| 14150 | /* special test for multi dimensional arrays (may not |
| 14151 | be strictly correct if designators are used at the |
| 14152 | same time) */ |
| 14153 | if (index >= n && no_oblock) |
| 14154 | break; |
| 14155 | if (tok == '}') |
| 14156 | break; |
| 14157 | skip(','); |
| 14158 | } |
| 14159 | } |
| 14160 | if (!no_oblock) |
| 14161 | skip('}'); |
| 14162 | /* put zeros at the end */ |
| 14163 | if (!size_only && n >= 0 && array_length < n) { |
| 14164 | init_putz(t1, sec, c + array_length * size1, |
| 14165 | (n - array_length) * size1); |
| 14166 | } |
| 14167 | /* patch type size if needed */ |
| 14168 | if (n < 0) |
| 14169 | s->c = array_length; |
| 14170 | } else if ((type->t & VT_BTYPE) == VT_STRUCT && |
| 14171 | (sec || !first || tok == '{')) { |
| 14172 | int par_count; |
| 14173 | |
| 14174 | /* NOTE: the previous test is a specific case for automatic |
| 14175 | struct/union init */ |
| 14176 | /* XXX: union needs only one init */ |
| 14177 | |
| 14178 | /* XXX: this test is incorrect for local initializers |
| 14179 | beginning with ( without {. It would be much more difficult |
| 14180 | to do it correctly (ideally, the expression parser should |
| 14181 | be used in all cases) */ |
| 14182 | par_count = 0; |
| 14183 | if (tok == '(') { |
| 14184 | AttributeDef ad1; |
| 14185 | CType type1; |
| 14186 | next(); |
| 14187 | while (tok == '(') { |
| 14188 | par_count++; |
| 14189 | next(); |
| 14190 | } |
| 14191 | if (!parse_btype(&type1, &ad1)) |
| 14192 | expect("cast"); |
| 14193 | type_decl(&type1, &ad1, &n, TYPE_ABSTRACT); |
| 14194 | #if 0 |
| 14195 | if (!is_assignable_types(type, &type1)) |
| 14196 | error("invalid type for cast"); |
| 14197 | #endif |
| 14198 | skip(')'); |
| 14199 | } |
| 14200 | no_oblock = 1; |
| 14201 | if (first || tok == '{') { |
| 14202 | skip('{'); |
| 14203 | no_oblock = 0; |
| 14204 | } |
| 14205 | s = type->ref; |
| 14206 | f = s->next; |
| 14207 | array_length = 0; |
| 14208 | index = 0; |
| 14209 | n = s->c; |
| 14210 | while (tok != '}') { |
| 14211 | decl_designator(type, sec, c, NULL, &f, size_only); |
| 14212 | index = f->c; |
| 14213 | if (!size_only && array_length < index) { |
| 14214 | init_putz(type, sec, c + array_length, |
| 14215 | index - array_length); |
| 14216 | } |
| 14217 | index = index + type_size(&f->type, &align1); |
| 14218 | if (index > array_length) |
| 14219 | array_length = index; |
| 14220 | f = f->next; |
| 14221 | if (no_oblock && f == NULL) |
| 14222 | break; |
| 14223 | if (tok == '}') |
| 14224 | break; |
| 14225 | skip(','); |
| 14226 | } |
| 14227 | /* put zeros at the end */ |
| 14228 | if (!size_only && array_length < n) { |
| 14229 | init_putz(type, sec, c + array_length, |
| 14230 | n - array_length); |
| 14231 | } |
| 14232 | if (!no_oblock) |
| 14233 | skip('}'); |
| 14234 | while (par_count) { |
| 14235 | skip(')'); |
| 14236 | par_count--; |
| 14237 | } |
| 14238 | } else if (tok == '{') { |
| 14239 | next(); |
| 14240 | decl_initializer(type, sec, c, first, size_only); |
| 14241 | skip('}'); |
| 14242 | } else if (size_only) { |
| 14243 | /* just skip expression */ |
| 14244 | parlevel = 0; |
| 14245 | while ((parlevel > 0 || (tok != '}' && tok != ',')) && |
| 14246 | tok != -1) { |
| 14247 | if (tok == '(') |
| 14248 | parlevel++; |
| 14249 | else if (tok == ')') |
| 14250 | parlevel--; |
| 14251 | next(); |
| 14252 | } |
| 14253 | } else { |
| 14254 | /* currently, we always use constant expression for globals |
| 14255 | (may change for scripting case) */ |
| 14256 | expr_type = EXPR_CONST; |
| 14257 | if (!sec) |
| 14258 | expr_type = EXPR_ANY; |
| 14259 | init_putv(type, sec, c, 0, expr_type); |
| 14260 | } |
| 14261 | } |
| 14262 | |
| 14263 | /* parse an initializer for type 't' if 'has_init' is non zero, and |
| 14264 | allocate space in local or global data space ('r' is either |
| 14265 | VT_LOCAL or VT_CONST). If 'v' is non zero, then an associated |
| 14266 | variable 'v' of scope 'scope' is declared before initializers are |
| 14267 | parsed. If 'v' is zero, then a reference to the new object is put |
| 14268 | in the value stack. If 'has_init' is 2, a special parsing is done |
| 14269 | to handle string constants. */ |
| 14270 | static void decl_initializer_alloc(CType *type, AttributeDef *ad, int r, |
| 14271 | int has_init, int v, int scope) |
| 14272 | { |
| 14273 | int size, align, addr, data_offset; |
| 14274 | int level; |
| 14275 | ParseState saved_parse_state; |
| 14276 | TokenString init_str; |
| 14277 | Section *sec; |
| 14278 | |
| 14279 | size = type_size(type, &align); |
| 14280 | /* If unknown size, we must evaluate it before |
| 14281 | evaluating initializers because |
| 14282 | initializers can generate global data too |
| 14283 | (e.g. string pointers or ISOC99 compound |
| 14284 | literals). It also simplifies local |
| 14285 | initializers handling */ |
| 14286 | tok_str_new(&init_str); |
| 14287 | if (size < 0) { |
| 14288 | if (!has_init) |
| 14289 | error("unknown type size"); |
| 14290 | /* get all init string */ |
| 14291 | if (has_init == 2) { |
| 14292 | /* only get strings */ |
| 14293 | while (tok == TOK_STR || tok == TOK_LSTR) { |
| 14294 | tok_str_add_tok(&init_str); |
| 14295 | next(); |
| 14296 | } |
| 14297 | } else { |
| 14298 | level = 0; |
| 14299 | while (level > 0 || (tok != ',' && tok != ';')) { |
| 14300 | if (tok < 0) |
| 14301 | error("unexpected end of file in initializer"); |
| 14302 | tok_str_add_tok(&init_str); |
| 14303 | if (tok == '{') |
| 14304 | level++; |
| 14305 | else if (tok == '}') { |
| 14306 | if (level == 0) |
| 14307 | break; |
| 14308 | level--; |
| 14309 | } |
| 14310 | next(); |
| 14311 | } |
| 14312 | } |
| 14313 | tok_str_add(&init_str, -1); |
| 14314 | tok_str_add(&init_str, 0); |
| 14315 | |
| 14316 | /* compute size */ |
| 14317 | save_parse_state(&saved_parse_state); |
| 14318 | |
| 14319 | macro_ptr = init_str.str; |
| 14320 | next(); |
| 14321 | decl_initializer(type, NULL, 0, 1, 1); |
| 14322 | /* prepare second initializer parsing */ |
| 14323 | macro_ptr = init_str.str; |
| 14324 | next(); |
| 14325 | |
| 14326 | /* if still unknown size, error */ |
| 14327 | size = type_size(type, &align); |
| 14328 | if (size < 0) |
| 14329 | error("unknown type size"); |
| 14330 | } |
| 14331 | /* take into account specified alignment if bigger */ |
| 14332 | if (ad->aligned) { |
| 14333 | if (ad->aligned > align) |
| 14334 | align = ad->aligned; |
| 14335 | } else if (ad->packed) { |
| 14336 | align = 1; |
| 14337 | } |
| 14338 | if ((r & VT_VALMASK) == VT_LOCAL) { |
| 14339 | sec = NULL; |
| 14340 | if (do_bounds_check && (type->t & VT_ARRAY)) |
| 14341 | loc--; |
| 14342 | loc = (loc - size) & -align; |
| 14343 | addr = loc; |
| 14344 | /* handles bounds */ |
| 14345 | /* XXX: currently, since we do only one pass, we cannot track |
| 14346 | '&' operators, so we add only arrays */ |
| 14347 | if (do_bounds_check && (type->t & VT_ARRAY)) { |
| 14348 | unsigned long *bounds_ptr; |
| 14349 | /* add padding between regions */ |
| 14350 | loc--; |
| 14351 | /* then add local bound info */ |
| 14352 | bounds_ptr = section_ptr_add(lbounds_section, 2 * sizeof(unsigned long)); |
| 14353 | bounds_ptr[0] = addr; |
| 14354 | bounds_ptr[1] = size; |
| 14355 | } |
| 14356 | if (v) { |
| 14357 | /* local variable */ |
| 14358 | sym_push(v, type, r, addr); |
| 14359 | } else { |
| 14360 | /* push local reference */ |
| 14361 | vset(type, r, addr); |
| 14362 | } |
| 14363 | } else { |
| 14364 | Sym *sym; |
| 14365 | |
| 14366 | sym = NULL; |
| 14367 | if (v && scope == VT_CONST) { |
| 14368 | /* see if the symbol was already defined */ |
| 14369 | sym = sym_find(v); |
| 14370 | if (sym) { |
| 14371 | if (!is_compatible_types(&sym->type, type)) |
| 14372 | error("incompatible types for redefinition of '%s'", |
| 14373 | get_tok_str(v, NULL)); |
| 14374 | if (sym->type.t & VT_EXTERN) { |
| 14375 | /* if the variable is extern, it was not allocated */ |
| 14376 | sym->type.t &= ~VT_EXTERN; |
| 14377 | /* set array size if it was ommited in extern |
| 14378 | declaration */ |
| 14379 | if ((sym->type.t & VT_ARRAY) && |
| 14380 | sym->type.ref->c < 0 && |
| 14381 | type->ref->c >= 0) |
| 14382 | sym->type.ref->c = type->ref->c; |
| 14383 | } else { |
| 14384 | /* we accept several definitions of the same |
| 14385 | global variable. this is tricky, because we |
| 14386 | must play with the SHN_COMMON type of the symbol */ |
| 14387 | /* XXX: should check if the variable was already |
| 14388 | initialized. It is incorrect to initialized it |
| 14389 | twice */ |
| 14390 | /* no init data, we won't add more to the symbol */ |
| 14391 | if (!has_init) |
| 14392 | goto no_alloc; |
| 14393 | } |
| 14394 | } |
| 14395 | } |
| 14396 | |
| 14397 | /* allocate symbol in corresponding section */ |
| 14398 | sec = ad->section; |
| 14399 | if (!sec) { |
| 14400 | if (has_init) |
| 14401 | sec = data_section; |
| 14402 | else if (tcc_state->nocommon) |
| 14403 | sec = bss_section; |
| 14404 | } |
| 14405 | if (sec) { |
| 14406 | data_offset = sec->data_offset; |
| 14407 | data_offset = (data_offset + align - 1) & -align; |
| 14408 | addr = data_offset; |
| 14409 | /* very important to increment global pointer at this time |
| 14410 | because initializers themselves can create new initializers */ |
| 14411 | data_offset += size; |
| 14412 | /* add padding if bound check */ |
| 14413 | if (do_bounds_check) |
| 14414 | data_offset++; |
| 14415 | sec->data_offset = data_offset; |
| 14416 | /* allocate section space to put the data */ |
| 14417 | if (sec->sh_type != SHT_NOBITS && |
| 14418 | data_offset > sec->data_allocated) |
| 14419 | section_realloc(sec, data_offset); |
| 14420 | /* align section if needed */ |
| 14421 | if (align > sec->sh_addralign) |
| 14422 | sec->sh_addralign = align; |
| 14423 | } else { |
| 14424 | addr = 0; /* avoid warning */ |
| 14425 | } |
| 14426 | |
| 14427 | if (v) { |
| 14428 | if (scope == VT_CONST) { |
| 14429 | if (!sym) |
| 14430 | goto do_def; |
| 14431 | } else { |
| 14432 | do_def: |
| 14433 | sym = sym_push(v, type, r | VT_SYM, 0); |
| 14434 | } |
| 14435 | /* update symbol definition */ |
| 14436 | if (sec) { |
| 14437 | put_extern_sym(sym, sec, addr, size); |
| 14438 | } else { |
| 14439 | Elf32_Sym *esym; |
| 14440 | /* put a common area */ |
| 14441 | put_extern_sym(sym, NULL, align, size); |
| 14442 | /* XXX: find a nicer way */ |
| 14443 | esym = &((Elf32_Sym *)symtab_section->data)[sym->c]; |
| 14444 | esym->st_shndx = SHN_COMMON; |
| 14445 | } |
| 14446 | } else { |
| 14447 | CValue cval; |
| 14448 | |
| 14449 | /* push global reference */ |
| 14450 | sym = get_sym_ref(type, sec, addr, size); |
| 14451 | cval.ul = 0; |
| 14452 | vsetc(type, VT_CONST | VT_SYM, &cval); |
| 14453 | vtop->sym = sym; |
| 14454 | } |
| 14455 | |
| 14456 | /* handles bounds now because the symbol must be defined |
| 14457 | before for the relocation */ |
| 14458 | if (do_bounds_check) { |
| 14459 | unsigned long *bounds_ptr; |
| 14460 | |
| 14461 | greloc(bounds_section, sym, bounds_section->data_offset, R_DATA_32); |
| 14462 | /* then add global bound info */ |
| 14463 | bounds_ptr = section_ptr_add(bounds_section, 2 * sizeof(long)); |
| 14464 | bounds_ptr[0] = 0; /* relocated */ |
| 14465 | bounds_ptr[1] = size; |
| 14466 | } |
| 14467 | } |
| 14468 | if (has_init) { |
| 14469 | decl_initializer(type, sec, addr, 1, 0); |
| 14470 | /* restore parse state if needed */ |
| 14471 | if (init_str.str) { |
| 14472 | tok_str_free(init_str.str); |
| 14473 | restore_parse_state(&saved_parse_state); |
| 14474 | } |
| 14475 | } |
| 14476 | no_alloc: ; |
| 14477 | } |
| 14478 | |
| 14479 | void put_func_debug(Sym *sym) |
| 14480 | { |
| 14481 | char buf[512]; |
| 14482 | |
| 14483 | /* stabs info */ |
| 14484 | /* XXX: we put here a dummy type */ |
| 14485 | snprintf(buf, sizeof(buf), "%s:%c1", |
| 14486 | funcname, sym->type.t & VT_STATIC ? 'f' : 'F'); |
| 14487 | put_stabs_r(buf, N_FUN, 0, file->line_num, 0, |
| 14488 | cur_text_section, sym->c); |
| 14489 | last_ind = 0; |
| 14490 | last_line_num = 0; |
| 14491 | } |
| 14492 | |
| 14493 | /* parse an old style function declaration list */ |
| 14494 | /* XXX: check multiple parameter */ |
| 14495 | static void func_decl_list(Sym *func_sym) |
| 14496 | { |
| 14497 | AttributeDef ad; |
| 14498 | int v; |
| 14499 | Sym *s; |
| 14500 | CType btype, type; |
| 14501 | |
| 14502 | /* parse each declaration */ |
| 14503 | while (tok != '{' && tok != ';' && tok != ',' && tok != TOK_EOF) { |
| 14504 | if (!parse_btype(&btype, &ad)) |
| 14505 | expect("declaration list"); |
| 14506 | if (((btype.t & VT_BTYPE) == VT_ENUM || |
| 14507 | (btype.t & VT_BTYPE) == VT_STRUCT) && |
| 14508 | tok == ';') { |
| 14509 | /* we accept no variable after */ |
| 14510 | } else { |
| 14511 | for(;;) { |
| 14512 | type = btype; |
| 14513 | type_decl(&type, &ad, &v, TYPE_DIRECT); |
| 14514 | /* find parameter in function parameter list */ |
| 14515 | s = func_sym->next; |
| 14516 | while (s != NULL) { |
| 14517 | if ((s->v & ~SYM_FIELD) == v) |
| 14518 | goto found; |
| 14519 | s = s->next; |
| 14520 | } |
| 14521 | error("declaration for parameter '%s' but no such parameter", |
| 14522 | get_tok_str(v, NULL)); |
| 14523 | found: |
| 14524 | /* check that no storage specifier except 'register' was given */ |
| 14525 | if (type.t & VT_STORAGE) |
| 14526 | error("storage class specified for '%s'", get_tok_str(v, NULL)); |
| 14527 | convert_parameter_type(&type); |
| 14528 | /* we can add the type (NOTE: it could be local to the function) */ |
| 14529 | s->type = type; |
| 14530 | /* accept other parameters */ |
| 14531 | if (tok == ',') |
| 14532 | next(); |
| 14533 | else |
| 14534 | break; |
| 14535 | } |
| 14536 | } |
| 14537 | skip(';'); |
| 14538 | } |
| 14539 | } |
| 14540 | |
| 14541 | /* parse a function defined by symbol 'sym' and generate its code in |
| 14542 | 'cur_text_section' */ |
| 14543 | static void gen_function(Sym *sym) |
| 14544 | { |
| 14545 | ind = cur_text_section->data_offset; |
| 14546 | /* NOTE: we patch the symbol size later */ |
| 14547 | put_extern_sym(sym, cur_text_section, ind, 0); |
| 14548 | funcname = get_tok_str(sym->v, NULL); |
| 14549 | func_ind = ind; |
| 14550 | /* put debug symbol */ |
| 14551 | if (do_debug) |
| 14552 | put_func_debug(sym); |
| 14553 | /* push a dummy symbol to enable local sym storage */ |
| 14554 | sym_push2(&local_stack, SYM_FIELD, 0, 0); |
| 14555 | gfunc_prolog(&sym->type); |
| 14556 | rsym = 0; |
| 14557 | block(NULL, NULL, NULL, NULL, 0, 0); |
| 14558 | gsym(rsym); |
| 14559 | gfunc_epilog(); |
| 14560 | cur_text_section->data_offset = ind; |
| 14561 | label_pop(&global_label_stack, NULL); |
| 14562 | sym_pop(&local_stack, NULL); /* reset local stack */ |
| 14563 | /* end of function */ |
| 14564 | /* patch symbol size */ |
| 14565 | ((Elf32_Sym *)symtab_section->data)[sym->c].st_size = |
| 14566 | ind - func_ind; |
| 14567 | if (do_debug) { |
| 14568 | put_stabn(N_FUN, 0, 0, ind - func_ind); |
| 14569 | } |
| 14570 | funcname = ""; /* for safety */ |
| 14571 | func_vt.t = VT_VOID; /* for safety */ |
| 14572 | ind = 0; /* for safety */ |
| 14573 | } |
| 14574 | |
| 14575 | static void gen_inline_functions(void) |
| 14576 | { |
| 14577 | Sym *sym; |
| 14578 | CType *type; |
| 14579 | int *str, inline_generated; |
| 14580 | |
| 14581 | /* iterate while inline function are referenced */ |
| 14582 | for(;;) { |
| 14583 | inline_generated = 0; |
| 14584 | for(sym = global_stack; sym != NULL; sym = sym->prev) { |
| 14585 | type = &sym->type; |
| 14586 | if (((type->t & VT_BTYPE) == VT_FUNC) && |
| 14587 | (type->t & (VT_STATIC | VT_INLINE)) == |
| 14588 | (VT_STATIC | VT_INLINE) && |
| 14589 | sym->c != 0) { |
| 14590 | /* the function was used: generate its code and |
| 14591 | convert it to a normal function */ |
| 14592 | str = (int *)sym->r; |
| 14593 | sym->r = VT_SYM | VT_CONST; |
| 14594 | type->t &= ~VT_INLINE; |
| 14595 | |
| 14596 | macro_ptr = str; |
| 14597 | next(); |
| 14598 | cur_text_section = text_section; |
| 14599 | gen_function(sym); |
| 14600 | macro_ptr = NULL; /* fail safe */ |
| 14601 | |
| 14602 | tok_str_free(str); |
| 14603 | inline_generated = 1; |
| 14604 | } |
| 14605 | } |
| 14606 | if (!inline_generated) |
| 14607 | break; |
| 14608 | } |
| 14609 | |
| 14610 | /* free all remaining inline function tokens */ |
| 14611 | for(sym = global_stack; sym != NULL; sym = sym->prev) { |
| 14612 | type = &sym->type; |
| 14613 | if (((type->t & VT_BTYPE) == VT_FUNC) && |
| 14614 | (type->t & (VT_STATIC | VT_INLINE)) == |
| 14615 | (VT_STATIC | VT_INLINE)) { |
| 14616 | str = (int *)sym->r; |
| 14617 | tok_str_free(str); |
| 14618 | sym->r = 0; /* fail safe */ |
| 14619 | } |
| 14620 | } |
| 14621 | } |
| 14622 | |
| 14623 | /* 'l' is VT_LOCAL or VT_CONST to define default storage type */ |
| 14624 | static void decl(int l) |
| 14625 | { |
| 14626 | int v, has_init, r; |
| 14627 | CType type, btype; |
| 14628 | Sym *sym; |
| 14629 | AttributeDef ad; |
| 14630 | |
| 14631 | while (1) { |
| 14632 | if (!parse_btype(&btype, &ad)) { |
| 14633 | /* skip redundant ';' */ |
| 14634 | /* XXX: find more elegant solution */ |
| 14635 | if (tok == ';') { |
| 14636 | next(); |
| 14637 | continue; |
| 14638 | } |
| 14639 | if (l == VT_CONST && |
| 14640 | (tok == TOK_ASM1 || tok == TOK_ASM2 || tok == TOK_ASM3)) { |
| 14641 | /* global asm block */ |
| 14642 | asm_global_instr(); |
| 14643 | continue; |
| 14644 | } |
| 14645 | /* special test for old K&R protos without explicit int |
| 14646 | type. Only accepted when defining global data */ |
| 14647 | if (l == VT_LOCAL || tok < TOK_DEFINE) |
| 14648 | break; |
| 14649 | btype.t = VT_INT; |
| 14650 | } |
| 14651 | if (((btype.t & VT_BTYPE) == VT_ENUM || |
| 14652 | (btype.t & VT_BTYPE) == VT_STRUCT) && |
| 14653 | tok == ';') { |
| 14654 | /* we accept no variable after */ |
| 14655 | next(); |
| 14656 | continue; |
| 14657 | } |
| 14658 | while (1) { /* iterate thru each declaration */ |
| 14659 | type = btype; |
| 14660 | type_decl(&type, &ad, &v, TYPE_DIRECT); |
| 14661 | #if 0 |
| 14662 | { |
| 14663 | char buf[500]; |
| 14664 | type_to_str(buf, sizeof(buf), t, get_tok_str(v, NULL)); |
| 14665 | printf("type = '%s'\n", buf); |
| 14666 | } |
| 14667 | #endif |
| 14668 | if ((type.t & VT_BTYPE) == VT_FUNC) { |
| 14669 | /* if old style function prototype, we accept a |
| 14670 | declaration list */ |
| 14671 | sym = type.ref; |
| 14672 | if (sym->c == FUNC_OLD) |
| 14673 | func_decl_list(sym); |
| 14674 | } |
| 14675 | |
| 14676 | if (tok == '{') { |
| 14677 | if (l == VT_LOCAL) |
| 14678 | error("cannot use local functions"); |
| 14679 | if (!(type.t & VT_FUNC)) |
| 14680 | expect("function definition"); |
| 14681 | |
| 14682 | /* reject abstract declarators in function definition */ |
| 14683 | sym = type.ref; |
| 14684 | while ((sym = sym->next) != NULL) |
| 14685 | if (!(sym->v & ~SYM_FIELD)) |
| 14686 | expect("identifier"); |
| 14687 | |
| 14688 | /* XXX: cannot do better now: convert extern line to static inline */ |
| 14689 | if ((type.t & (VT_EXTERN | VT_INLINE)) == (VT_EXTERN | VT_INLINE)) |
| 14690 | type.t = (type.t & ~VT_EXTERN) | VT_STATIC; |
| 14691 | |
| 14692 | sym = sym_find(v); |
| 14693 | if (sym) { |
| 14694 | if ((sym->type.t & VT_BTYPE) != VT_FUNC) |
| 14695 | goto func_error1; |
| 14696 | /* specific case: if not func_call defined, we put |
| 14697 | the one of the prototype */ |
| 14698 | /* XXX: should have default value */ |
| 14699 | if (sym->type.ref->r != FUNC_CDECL && |
| 14700 | type.ref->r == FUNC_CDECL) |
| 14701 | type.ref->r = sym->type.ref->r; |
| 14702 | if (!is_compatible_types(&sym->type, &type)) { |
| 14703 | func_error1: |
| 14704 | error("incompatible types for redefinition of '%s'", |
| 14705 | get_tok_str(v, NULL)); |
| 14706 | } |
| 14707 | /* if symbol is already defined, then put complete type */ |
| 14708 | sym->type = type; |
| 14709 | } else { |
| 14710 | /* put function symbol */ |
| 14711 | sym = global_identifier_push(v, type.t, 0); |
| 14712 | sym->type.ref = type.ref; |
| 14713 | } |
| 14714 | |
| 14715 | /* static inline functions are just recorded as a kind |
| 14716 | of macro. Their code will be emitted at the end of |
| 14717 | the compilation unit only if they are used */ |
| 14718 | if ((type.t & (VT_INLINE | VT_STATIC)) == |
| 14719 | (VT_INLINE | VT_STATIC)) { |
| 14720 | TokenString func_str; |
| 14721 | int block_level; |
| 14722 | |
| 14723 | tok_str_new(&func_str); |
| 14724 | |
| 14725 | block_level = 0; |
| 14726 | for(;;) { |
| 14727 | int t; |
| 14728 | if (tok == TOK_EOF) |
| 14729 | error("unexpected end of file"); |
| 14730 | tok_str_add_tok(&func_str); |
| 14731 | t = tok; |
| 14732 | next(); |
| 14733 | if (t == '{') { |
| 14734 | block_level++; |
| 14735 | } else if (t == '}') { |
| 14736 | block_level--; |
| 14737 | if (block_level == 0) |
| 14738 | break; |
| 14739 | } |
| 14740 | } |
| 14741 | tok_str_add(&func_str, -1); |
| 14742 | tok_str_add(&func_str, 0); |
| 14743 | sym->r = (int)func_str.str; |
| 14744 | } else { |
| 14745 | /* compute text section */ |
| 14746 | cur_text_section = ad.section; |
| 14747 | if (!cur_text_section) |
| 14748 | cur_text_section = text_section; |
| 14749 | sym->r = VT_SYM | VT_CONST; |
| 14750 | gen_function(sym); |
| 14751 | #ifdef TCC_TARGET_PE |
| 14752 | if (ad.dllexport) { |
| 14753 | ((Elf32_Sym *)symtab_section->data)[sym->c].st_other |= 1; |
| 14754 | } |
| 14755 | #endif |
| 14756 | } |
| 14757 | break; |
| 14758 | } else { |
| 14759 | if (btype.t & VT_TYPEDEF) { |
| 14760 | /* save typedefed type */ |
| 14761 | /* XXX: test storage specifiers ? */ |
| 14762 | sym = sym_push(v, &type, 0, 0); |
| 14763 | sym->type.t |= VT_TYPEDEF; |
| 14764 | } else if ((type.t & VT_BTYPE) == VT_FUNC) { |
| 14765 | /* external function definition */ |
| 14766 | /* specific case for func_call attribute */ |
| 14767 | if (ad.func_call) |
| 14768 | type.ref->r = ad.func_call; |
| 14769 | external_sym(v, &type, 0); |
| 14770 | } else { |
| 14771 | /* not lvalue if array */ |
| 14772 | r = 0; |
| 14773 | if (!(type.t & VT_ARRAY)) |
| 14774 | r |= lvalue_type(type.t); |
| 14775 | has_init = (tok == '='); |
| 14776 | if ((btype.t & VT_EXTERN) || |
| 14777 | ((type.t & VT_ARRAY) && (type.t & VT_STATIC) && |
| 14778 | !has_init && l == VT_CONST && type.ref->c < 0)) { |
| 14779 | /* external variable */ |
| 14780 | /* NOTE: as GCC, uninitialized global static |
| 14781 | arrays of null size are considered as |
| 14782 | extern */ |
| 14783 | external_sym(v, &type, r); |
| 14784 | } else { |
| 14785 | if (type.t & VT_STATIC) |
| 14786 | r |= VT_CONST; |
| 14787 | else |
| 14788 | r |= l; |
| 14789 | if (has_init) |
| 14790 | next(); |
| 14791 | decl_initializer_alloc(&type, &ad, r, |
| 14792 | has_init, v, l); |
| 14793 | } |
| 14794 | } |
| 14795 | if (tok != ',') { |
| 14796 | skip(';'); |
| 14797 | break; |
| 14798 | } |
| 14799 | next(); |
| 14800 | } |
| 14801 | } |
| 14802 | } |
| 14803 | } |
| 14804 | |
| 14805 | /* better than nothing, but needs extension to handle '-E' option |
| 14806 | correctly too */ |
| 14807 | static void preprocess_init(TCCState *s1) |
| 14808 | { |
| 14809 | s1->include_stack_ptr = s1->include_stack; |
| 14810 | /* XXX: move that before to avoid having to initialize |
| 14811 | file->ifdef_stack_ptr ? */ |
| 14812 | s1->ifdef_stack_ptr = s1->ifdef_stack; |
| 14813 | file->ifdef_stack_ptr = s1->ifdef_stack_ptr; |
| 14814 | |
| 14815 | /* XXX: not ANSI compliant: bound checking says error */ |
| 14816 | vtop = vstack - 1; |
| 14817 | s1->pack_stack[0] = 0; |
| 14818 | s1->pack_stack_ptr = s1->pack_stack; |
| 14819 | } |
| 14820 | |
| 14821 | /* compile the C file opened in 'file'. Return non zero if errors. */ |
| 14822 | static int tcc_compile(TCCState *s1) |
| 14823 | { |
| 14824 | Sym *define_start; |
| 14825 | char buf[512]; |
| 14826 | volatile int section_sym; |
| 14827 | |
| 14828 | #ifdef INC_DEBUG |
| 14829 | printf("%s: **** new file\n", file->filename); |
| 14830 | #endif |
| 14831 | preprocess_init(s1); |
| 14832 | |
| 14833 | funcname = ""; |
| 14834 | anon_sym = SYM_FIRST_ANOM; |
| 14835 | |
| 14836 | /* file info: full path + filename */ |
| 14837 | section_sym = 0; /* avoid warning */ |
| 14838 | if (do_debug) { |
| 14839 | section_sym = put_elf_sym(symtab_section, 0, 0, |
| 14840 | ELF32_ST_INFO(STB_LOCAL, STT_SECTION), 0, |
| 14841 | text_section->sh_num, NULL); |
| 14842 | getcwd(buf, sizeof(buf)); |
| 14843 | pstrcat(buf, sizeof(buf), "/"); |
| 14844 | put_stabs_r(buf, N_SO, 0, 0, |
| 14845 | text_section->data_offset, text_section, section_sym); |
| 14846 | put_stabs_r(file->filename, N_SO, 0, 0, |
| 14847 | text_section->data_offset, text_section, section_sym); |
| 14848 | } |
| 14849 | /* an elf symbol of type STT_FILE must be put so that STB_LOCAL |
| 14850 | symbols can be safely used */ |
| 14851 | put_elf_sym(symtab_section, 0, 0, |
| 14852 | ELF32_ST_INFO(STB_LOCAL, STT_FILE), 0, |
| 14853 | SHN_ABS, file->filename); |
| 14854 | |
| 14855 | /* define some often used types */ |
| 14856 | int_type.t = VT_INT; |
| 14857 | |
| 14858 | char_pointer_type.t = VT_BYTE; |
| 14859 | mk_pointer(&char_pointer_type); |
| 14860 | |
| 14861 | func_old_type.t = VT_FUNC; |
| 14862 | func_old_type.ref = sym_push(SYM_FIELD, &int_type, FUNC_CDECL, FUNC_OLD); |
| 14863 | |
| 14864 | #if 0 |
| 14865 | /* define 'void *alloca(unsigned int)' builtin function */ |
| 14866 | { |
| 14867 | Sym *s1; |
| 14868 | |
| 14869 | p = anon_sym++; |
| 14870 | sym = sym_push(p, mk_pointer(VT_VOID), FUNC_CDECL, FUNC_NEW); |
| 14871 | s1 = sym_push(SYM_FIELD, VT_UNSIGNED | VT_INT, 0, 0); |
| 14872 | s1->next = NULL; |
| 14873 | sym->next = s1; |
| 14874 | sym_push(TOK_alloca, VT_FUNC | (p << VT_STRUCT_SHIFT), VT_CONST, 0); |
| 14875 | } |
| 14876 | #endif |
| 14877 | |
| 14878 | define_start = define_stack; |
| 14879 | |
| 14880 | if (setjmp(s1->error_jmp_buf) == 0) { |
| 14881 | s1->nb_errors = 0; |
| 14882 | s1->error_set_jmp_enabled = 1; |
| 14883 | |
| 14884 | ch = file->buf_ptr[0]; |
| 14885 | tok_flags = TOK_FLAG_BOL | TOK_FLAG_BOF; |
| 14886 | parse_flags = PARSE_FLAG_PREPROCESS | PARSE_FLAG_TOK_NUM; |
| 14887 | next(); |
| 14888 | decl(VT_CONST); |
| 14889 | if (tok != TOK_EOF) |
| 14890 | expect("declaration"); |
| 14891 | |
| 14892 | /* end of translation unit info */ |
| 14893 | if (do_debug) { |
| 14894 | put_stabs_r(NULL, N_SO, 0, 0, |
| 14895 | text_section->data_offset, text_section, section_sym); |
| 14896 | } |
| 14897 | } |
| 14898 | s1->error_set_jmp_enabled = 0; |
| 14899 | |
| 14900 | /* reset define stack, but leave -Dsymbols (may be incorrect if |
| 14901 | they are undefined) */ |
| 14902 | free_defines(define_start); |
| 14903 | |
| 14904 | gen_inline_functions(); |
| 14905 | |
| 14906 | sym_pop(&global_stack, NULL); |
| 14907 | |
| 14908 | return s1->nb_errors != 0 ? -1 : 0; |
| 14909 | } |
| 14910 | |
| 14911 | #ifdef LIBTCC |
| 14912 | int tcc_compile_string(TCCState *s, const char *str) |
| 14913 | { |
| 14914 | BufferedFile bf1, *bf = &bf1; |
| 14915 | int ret, len; |
| 14916 | char *buf; |
| 14917 | |
| 14918 | /* init file structure */ |
| 14919 | bf->fd = -1; |
| 14920 | /* XXX: avoid copying */ |
| 14921 | len = strlen(str); |
| 14922 | buf = tcc_malloc(len + 1); |
| 14923 | if (!buf) |
| 14924 | return -1; |
| 14925 | memcpy(buf, str, len); |
| 14926 | buf[len] = CH_EOB; |
| 14927 | bf->buf_ptr = buf; |
| 14928 | bf->buf_end = buf + len; |
| 14929 | pstrcpy(bf->filename, sizeof(bf->filename), "<string>"); |
| 14930 | bf->line_num = 1; |
| 14931 | file = bf; |
| 14932 | |
| 14933 | ret = tcc_compile(s); |
| 14934 | |
| 14935 | tcc_free(buf); |
| 14936 | |
| 14937 | /* currently, no need to close */ |
| 14938 | return ret; |
| 14939 | } |
| 14940 | #endif |
| 14941 | |
| 14942 | /* define a preprocessor symbol. A value can also be provided with the '=' operator */ |
| 14943 | void tcc_define_symbol(TCCState *s1, const char *sym, const char *value) |
| 14944 | { |
| 14945 | BufferedFile bf1, *bf = &bf1; |
| 14946 | |
| 14947 | pstrcpy(bf->buffer, IO_BUF_SIZE, sym); |
| 14948 | pstrcat(bf->buffer, IO_BUF_SIZE, " "); |
| 14949 | /* default value */ |
| 14950 | if (!value) |
| 14951 | value = "1"; |
| 14952 | pstrcat(bf->buffer, IO_BUF_SIZE, value); |
| 14953 | |
| 14954 | /* init file structure */ |
| 14955 | bf->fd = -1; |
| 14956 | bf->buf_ptr = bf->buffer; |
| 14957 | bf->buf_end = bf->buffer + strlen(bf->buffer); |
| 14958 | *bf->buf_end = CH_EOB; |
| 14959 | bf->filename[0] = '\0'; |
| 14960 | bf->line_num = 1; |
| 14961 | file = bf; |
| 14962 | |
| 14963 | s1->include_stack_ptr = s1->include_stack; |
| 14964 | |
| 14965 | /* parse with define parser */ |
| 14966 | ch = file->buf_ptr[0]; |
| 14967 | next_nomacro(); |
| 14968 | parse_define(); |
| 14969 | file = NULL; |
| 14970 | } |
| 14971 | |
| 14972 | /* undefine a preprocessor symbol */ |
| 14973 | void tcc_undefine_symbol(TCCState *s1, const char *sym) |
| 14974 | { |
| 14975 | TokenSym *ts; |
| 14976 | Sym *s; |
| 14977 | ts = tok_alloc(sym, strlen(sym)); |
| 14978 | s = define_find(ts->tok); |
| 14979 | /* undefine symbol by putting an invalid name */ |
| 14980 | if (s) |
| 14981 | define_undef(s); |
| 14982 | } |
| 14983 | |
| 14984 | #ifdef CONFIG_TCC_ASM |
| 14985 | |
| 14986 | #ifdef TCC_TARGET_I386 |
| 14987 | // njn: inlined i386-asm.c |
| 14988 | //#include "i386-asm.c" |
| 14989 | //--------------------------------------------------------------------------- |
| 14990 | /* |
| 14991 | * i386 specific functions for TCC assembler |
| 14992 | * |
| 14993 | * Copyright (c) 2001, 2002 Fabrice Bellard |
| 14994 | * |
| 14995 | * This library is free software; you can redistribute it and/or |
| 14996 | * modify it under the terms of the GNU Lesser General Public |
| 14997 | * License as published by the Free Software Foundation; either |
| 14998 | * version 2 of the License, or (at your option) any later version. |
| 14999 | * |
| 15000 | * This library is distributed in the hope that it will be useful, |
| 15001 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15002 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15003 | * Lesser General Public License for more details. |
| 15004 | * |
| 15005 | * You should have received a copy of the GNU Lesser General Public |
| 15006 | * License along with this library; if not, write to the Free Software |
| 15007 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 15008 | */ |
| 15009 | |
| 15010 | #define MAX_OPERANDS 3 |
| 15011 | |
| 15012 | typedef struct ASMInstr { |
| 15013 | uint16_t sym; |
| 15014 | uint16_t opcode; |
| 15015 | uint16_t instr_type; |
| 15016 | #define OPC_JMP 0x01 /* jmp operand */ |
| 15017 | #define OPC_B 0x02 /* only used zith OPC_WL */ |
| 15018 | #define OPC_WL 0x04 /* accepts w, l or no suffix */ |
| 15019 | #define OPC_BWL (OPC_B | OPC_WL) /* accepts b, w, l or no suffix */ |
| 15020 | #define OPC_REG 0x08 /* register is added to opcode */ |
| 15021 | #define OPC_MODRM 0x10 /* modrm encoding */ |
| 15022 | #define OPC_FWAIT 0x20 /* add fwait opcode */ |
| 15023 | #define OPC_TEST 0x40 /* test opcodes */ |
| 15024 | #define OPC_SHIFT 0x80 /* shift opcodes */ |
| 15025 | #define OPC_D16 0x0100 /* generate data16 prefix */ |
| 15026 | #define OPC_ARITH 0x0200 /* arithmetic opcodes */ |
| 15027 | #define OPC_SHORTJMP 0x0400 /* short jmp operand */ |
| 15028 | #define OPC_FARITH 0x0800 /* FPU arithmetic opcodes */ |
| 15029 | #define OPC_GROUP_SHIFT 13 |
| 15030 | |
| 15031 | /* in order to compress the operand type, we use specific operands and |
| 15032 | we or only with EA */ |
| 15033 | #define OPT_REG8 0 /* warning: value is hardcoded from TOK_ASM_xxx */ |
| 15034 | #define OPT_REG16 1 /* warning: value is hardcoded from TOK_ASM_xxx */ |
| 15035 | #define OPT_REG32 2 /* warning: value is hardcoded from TOK_ASM_xxx */ |
| 15036 | #define OPT_MMX 3 /* warning: value is hardcoded from TOK_ASM_xxx */ |
| 15037 | #define OPT_SSE 4 /* warning: value is hardcoded from TOK_ASM_xxx */ |
| 15038 | #define OPT_CR 5 /* warning: value is hardcoded from TOK_ASM_xxx */ |
| 15039 | #define OPT_TR 6 /* warning: value is hardcoded from TOK_ASM_xxx */ |
| 15040 | #define OPT_DB 7 /* warning: value is hardcoded from TOK_ASM_xxx */ |
| 15041 | #define OPT_SEG 8 |
| 15042 | #define OPT_ST 9 |
| 15043 | #define OPT_IM8 10 |
| 15044 | #define OPT_IM8S 11 |
| 15045 | #define OPT_IM16 12 |
| 15046 | #define OPT_IM32 13 |
| 15047 | #define OPT_EAX 14 /* %al, %ax or %eax register */ |
| 15048 | #define OPT_ST0 15 /* %st(0) register */ |
| 15049 | #define OPT_CL 16 /* %cl register */ |
| 15050 | #define OPT_DX 17 /* %dx register */ |
| 15051 | #define OPT_ADDR 18 /* OP_EA with only offset */ |
| 15052 | #define OPT_INDIR 19 /* *(expr) */ |
| 15053 | |
| 15054 | /* composite types */ |
| 15055 | #define OPT_COMPOSITE_FIRST 20 |
| 15056 | #define OPT_IM 20 /* IM8 | IM16 | IM32 */ |
| 15057 | #define OPT_REG 21 /* REG8 | REG16 | REG32 */ |
| 15058 | #define OPT_REGW 22 /* REG16 | REG32 */ |
| 15059 | #define OPT_IMW 23 /* IM16 | IM32 */ |
| 15060 | |
| 15061 | /* can be ored with any OPT_xxx */ |
| 15062 | #define OPT_EA 0x80 |
| 15063 | |
| 15064 | uint8_t nb_ops; |
| 15065 | uint8_t op_type[MAX_OPERANDS]; /* see OP_xxx */ |
| 15066 | } ASMInstr; |
| 15067 | |
| 15068 | typedef struct Operand { |
| 15069 | uint32_t type; |
| 15070 | #define OP_REG8 (1 << OPT_REG8) |
| 15071 | #define OP_REG16 (1 << OPT_REG16) |
| 15072 | #define OP_REG32 (1 << OPT_REG32) |
| 15073 | #define OP_MMX (1 << OPT_MMX) |
| 15074 | #define OP_SSE (1 << OPT_SSE) |
| 15075 | #define OP_CR (1 << OPT_CR) |
| 15076 | #define OP_TR (1 << OPT_TR) |
| 15077 | #define OP_DB (1 << OPT_DB) |
| 15078 | #define OP_SEG (1 << OPT_SEG) |
| 15079 | #define OP_ST (1 << OPT_ST) |
| 15080 | #define OP_IM8 (1 << OPT_IM8) |
| 15081 | #define OP_IM8S (1 << OPT_IM8S) |
| 15082 | #define OP_IM16 (1 << OPT_IM16) |
| 15083 | #define OP_IM32 (1 << OPT_IM32) |
| 15084 | #define OP_EAX (1 << OPT_EAX) |
| 15085 | #define OP_ST0 (1 << OPT_ST0) |
| 15086 | #define OP_CL (1 << OPT_CL) |
| 15087 | #define OP_DX (1 << OPT_DX) |
| 15088 | #define OP_ADDR (1 << OPT_ADDR) |
| 15089 | #define OP_INDIR (1 << OPT_INDIR) |
| 15090 | |
| 15091 | #define OP_EA 0x40000000 |
| 15092 | #define OP_REG (OP_REG8 | OP_REG16 | OP_REG32) |
| 15093 | #define OP_IM OP_IM32 |
| 15094 | int8_t reg; /* register, -1 if none */ |
| 15095 | int8_t reg2; /* second register, -1 if none */ |
| 15096 | uint8_t shift; |
| 15097 | ExprValue e; |
| 15098 | } Operand; |
| 15099 | |
| 15100 | static const uint8_t reg_to_size[5] = { |
| 15101 | [OP_REG8] = 0, |
| 15102 | [OP_REG16] = 1, |
| 15103 | [OP_REG32] = 2, |
| 15104 | }; |
| 15105 | |
| 15106 | #define WORD_PREFIX_OPCODE 0x66 |
| 15107 | |
| 15108 | #define NB_TEST_OPCODES 30 |
| 15109 | |
| 15110 | static const uint8_t test_bits[NB_TEST_OPCODES] = { |
| 15111 | 0x00, /* o */ |
| 15112 | 0x01, /* no */ |
| 15113 | 0x02, /* b */ |
| 15114 | 0x02, /* c */ |
| 15115 | 0x02, /* nae */ |
| 15116 | 0x03, /* nb */ |
| 15117 | 0x03, /* nc */ |
| 15118 | 0x03, /* ae */ |
| 15119 | 0x04, /* e */ |
| 15120 | 0x04, /* z */ |
| 15121 | 0x05, /* ne */ |
| 15122 | 0x05, /* nz */ |
| 15123 | 0x06, /* be */ |
| 15124 | 0x06, /* na */ |
| 15125 | 0x07, /* nbe */ |
| 15126 | 0x07, /* a */ |
| 15127 | 0x08, /* s */ |
| 15128 | 0x09, /* ns */ |
| 15129 | 0x0a, /* p */ |
| 15130 | 0x0a, /* pe */ |
| 15131 | 0x0b, /* np */ |
| 15132 | 0x0b, /* po */ |
| 15133 | 0x0c, /* l */ |
| 15134 | 0x0c, /* nge */ |
| 15135 | 0x0d, /* nl */ |
| 15136 | 0x0d, /* ge */ |
| 15137 | 0x0e, /* le */ |
| 15138 | 0x0e, /* ng */ |
| 15139 | 0x0f, /* nle */ |
| 15140 | 0x0f, /* g */ |
| 15141 | }; |
| 15142 | |
| 15143 | static const ASMInstr asm_instrs[] = { |
| 15144 | #define ALT(x) x |
| 15145 | #define DEF_ASM_OP0(name, opcode) |
| 15146 | #define DEF_ASM_OP0L(name, opcode, group, instr_type) { TOK_ASM_ ## name, opcode, (instr_type | group << OPC_GROUP_SHIFT), 0 }, |
| 15147 | #define DEF_ASM_OP1(name, opcode, group, instr_type, op0) { TOK_ASM_ ## name, opcode, (instr_type | group << OPC_GROUP_SHIFT), 1, { op0 }}, |
| 15148 | #define DEF_ASM_OP2(name, opcode, group, instr_type, op0, op1) { TOK_ASM_ ## name, opcode, (instr_type | group << OPC_GROUP_SHIFT), 2, { op0, op1 }}, |
| 15149 | #define DEF_ASM_OP3(name, opcode, group, instr_type, op0, op1, op2) { TOK_ASM_ ## name, opcode, (instr_type | group << OPC_GROUP_SHIFT), 3, { op0, op1, op2 }}, |
| 15150 | // njn: inlined i386-asm.h |
| 15151 | //#include "i386-asm.h" |
| 15152 | //--------------------------------------------------------------------------- |
| 15153 | DEF_ASM_OP0(pusha, 0x60) /* must be first OP0 */ |
| 15154 | DEF_ASM_OP0(popa, 0x61) |
| 15155 | DEF_ASM_OP0(clc, 0xf8) |
| 15156 | DEF_ASM_OP0(cld, 0xfc) |
| 15157 | DEF_ASM_OP0(cli, 0xfa) |
| 15158 | DEF_ASM_OP0(clts, 0x0f06) |
| 15159 | DEF_ASM_OP0(cmc, 0xf5) |
| 15160 | DEF_ASM_OP0(lahf, 0x9f) |
| 15161 | DEF_ASM_OP0(sahf, 0x9e) |
| 15162 | DEF_ASM_OP0(pushfl, 0x9c) |
| 15163 | DEF_ASM_OP0(popfl, 0x9d) |
| 15164 | DEF_ASM_OP0(pushf, 0x9c) |
| 15165 | DEF_ASM_OP0(popf, 0x9d) |
| 15166 | DEF_ASM_OP0(stc, 0xf9) |
| 15167 | DEF_ASM_OP0(std, 0xfd) |
| 15168 | DEF_ASM_OP0(sti, 0xfb) |
| 15169 | DEF_ASM_OP0(aaa, 0x37) |
| 15170 | DEF_ASM_OP0(aas, 0x3f) |
| 15171 | DEF_ASM_OP0(daa, 0x27) |
| 15172 | DEF_ASM_OP0(das, 0x2f) |
| 15173 | DEF_ASM_OP0(aad, 0xd50a) |
| 15174 | DEF_ASM_OP0(aam, 0xd40a) |
| 15175 | DEF_ASM_OP0(cbw, 0x6698) |
| 15176 | DEF_ASM_OP0(cwd, 0x6699) |
| 15177 | DEF_ASM_OP0(cwde, 0x98) |
| 15178 | DEF_ASM_OP0(cdq, 0x99) |
| 15179 | DEF_ASM_OP0(cbtw, 0x6698) |
| 15180 | DEF_ASM_OP0(cwtl, 0x98) |
| 15181 | DEF_ASM_OP0(cwtd, 0x6699) |
| 15182 | DEF_ASM_OP0(cltd, 0x99) |
| 15183 | DEF_ASM_OP0(int3, 0xcc) |
| 15184 | DEF_ASM_OP0(into, 0xce) |
| 15185 | DEF_ASM_OP0(iret, 0xcf) |
| 15186 | DEF_ASM_OP0(rsm, 0x0faa) |
| 15187 | DEF_ASM_OP0(hlt, 0xf4) |
| 15188 | DEF_ASM_OP0(wait, 0x9b) |
| 15189 | DEF_ASM_OP0(nop, 0x90) |
| 15190 | DEF_ASM_OP0(xlat, 0xd7) |
| 15191 | |
| 15192 | /* strings */ |
| 15193 | ALT(DEF_ASM_OP0L(cmpsb, 0xa6, 0, OPC_BWL)) |
| 15194 | ALT(DEF_ASM_OP0L(scmpb, 0xa6, 0, OPC_BWL)) |
| 15195 | |
| 15196 | ALT(DEF_ASM_OP0L(insb, 0x6c, 0, OPC_BWL)) |
| 15197 | ALT(DEF_ASM_OP0L(outsb, 0x6e, 0, OPC_BWL)) |
| 15198 | |
| 15199 | ALT(DEF_ASM_OP0L(lodsb, 0xac, 0, OPC_BWL)) |
| 15200 | ALT(DEF_ASM_OP0L(slodb, 0xac, 0, OPC_BWL)) |
| 15201 | |
| 15202 | ALT(DEF_ASM_OP0L(movsb, 0xa4, 0, OPC_BWL)) |
| 15203 | ALT(DEF_ASM_OP0L(smovb, 0xa4, 0, OPC_BWL)) |
| 15204 | |
| 15205 | ALT(DEF_ASM_OP0L(scasb, 0xae, 0, OPC_BWL)) |
| 15206 | ALT(DEF_ASM_OP0L(sscab, 0xae, 0, OPC_BWL)) |
| 15207 | |
| 15208 | ALT(DEF_ASM_OP0L(stosb, 0xaa, 0, OPC_BWL)) |
| 15209 | ALT(DEF_ASM_OP0L(sstob, 0xaa, 0, OPC_BWL)) |
| 15210 | |
| 15211 | /* bits */ |
| 15212 | |
| 15213 | ALT(DEF_ASM_OP2(bsfw, 0x0fbc, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA, OPT_REGW)) |
| 15214 | ALT(DEF_ASM_OP2(bsrw, 0x0fbd, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA, OPT_REGW)) |
| 15215 | |
| 15216 | ALT(DEF_ASM_OP2(btw, 0x0fa3, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) |
| 15217 | ALT(DEF_ASM_OP2(btw, 0x0fba, 4, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) |
| 15218 | |
| 15219 | ALT(DEF_ASM_OP2(btsw, 0x0fab, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) |
| 15220 | ALT(DEF_ASM_OP2(btsw, 0x0fba, 5, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) |
| 15221 | |
| 15222 | ALT(DEF_ASM_OP2(btrw, 0x0fb3, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) |
| 15223 | ALT(DEF_ASM_OP2(btrw, 0x0fba, 6, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) |
| 15224 | |
| 15225 | ALT(DEF_ASM_OP2(btcw, 0x0fbb, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) |
| 15226 | ALT(DEF_ASM_OP2(btcw, 0x0fba, 7, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) |
| 15227 | |
| 15228 | /* prefixes */ |
| 15229 | DEF_ASM_OP0(aword, 0x67) |
| 15230 | DEF_ASM_OP0(addr16, 0x67) |
| 15231 | DEF_ASM_OP0(word, 0x66) |
| 15232 | DEF_ASM_OP0(data16, 0x66) |
| 15233 | DEF_ASM_OP0(lock, 0xf0) |
| 15234 | DEF_ASM_OP0(rep, 0xf3) |
| 15235 | DEF_ASM_OP0(repe, 0xf3) |
| 15236 | DEF_ASM_OP0(repz, 0xf3) |
| 15237 | DEF_ASM_OP0(repne, 0xf2) |
| 15238 | DEF_ASM_OP0(repnz, 0xf2) |
| 15239 | |
| 15240 | DEF_ASM_OP0(invd, 0x0f08) |
| 15241 | DEF_ASM_OP0(wbinvd, 0x0f09) |
| 15242 | DEF_ASM_OP0(cpuid, 0x0fa2) |
| 15243 | DEF_ASM_OP0(wrmsr, 0x0f30) |
| 15244 | DEF_ASM_OP0(rdtsc, 0x0f31) |
| 15245 | DEF_ASM_OP0(rdmsr, 0x0f32) |
| 15246 | DEF_ASM_OP0(rdpmc, 0x0f33) |
| 15247 | DEF_ASM_OP0(ud2, 0x0f0b) |
| 15248 | |
| 15249 | /* NOTE: we took the same order as gas opcode definition order */ |
| 15250 | ALT(DEF_ASM_OP2(movb, 0xa0, 0, OPC_BWL, OPT_ADDR, OPT_EAX)) |
| 15251 | ALT(DEF_ASM_OP2(movb, 0xa2, 0, OPC_BWL, OPT_EAX, OPT_ADDR)) |
| 15252 | ALT(DEF_ASM_OP2(movb, 0x88, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) |
| 15253 | ALT(DEF_ASM_OP2(movb, 0x8a, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) |
| 15254 | ALT(DEF_ASM_OP2(movb, 0xb0, 0, OPC_REG | OPC_BWL, OPT_IM, OPT_REG)) |
| 15255 | ALT(DEF_ASM_OP2(movb, 0xc6, 0, OPC_MODRM | OPC_BWL, OPT_IM, OPT_REG | OPT_EA)) |
| 15256 | |
| 15257 | ALT(DEF_ASM_OP2(movw, 0x8c, 0, OPC_MODRM | OPC_WL, OPT_SEG, OPT_EA | OPT_REG)) |
| 15258 | ALT(DEF_ASM_OP2(movw, 0x8e, 0, OPC_MODRM | OPC_WL, OPT_EA | OPT_REG, OPT_SEG)) |
| 15259 | |
| 15260 | ALT(DEF_ASM_OP2(movw, 0x0f20, 0, OPC_MODRM | OPC_WL, OPT_CR, OPT_REG32)) |
| 15261 | ALT(DEF_ASM_OP2(movw, 0x0f21, 0, OPC_MODRM | OPC_WL, OPT_DB, OPT_REG32)) |
| 15262 | ALT(DEF_ASM_OP2(movw, 0x0f24, 0, OPC_MODRM | OPC_WL, OPT_TR, OPT_REG32)) |
| 15263 | ALT(DEF_ASM_OP2(movw, 0x0f22, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_CR)) |
| 15264 | ALT(DEF_ASM_OP2(movw, 0x0f23, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_DB)) |
| 15265 | ALT(DEF_ASM_OP2(movw, 0x0f26, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_TR)) |
| 15266 | |
| 15267 | ALT(DEF_ASM_OP2(movsbl, 0x0fbe, 0, OPC_MODRM, OPT_REG8 | OPT_EA, OPT_REG32)) |
| 15268 | ALT(DEF_ASM_OP2(movsbw, 0x0fbe, 0, OPC_MODRM | OPC_D16, OPT_REG8 | OPT_EA, OPT_REG16)) |
| 15269 | ALT(DEF_ASM_OP2(movswl, 0x0fbf, 0, OPC_MODRM, OPT_REG16 | OPT_EA, OPT_REG32)) |
| 15270 | ALT(DEF_ASM_OP2(movzbw, 0x0fb6, 0, OPC_MODRM | OPC_WL, OPT_REG8 | OPT_EA, OPT_REGW)) |
| 15271 | ALT(DEF_ASM_OP2(movzwl, 0x0fb7, 0, OPC_MODRM, OPT_REG16 | OPT_EA, OPT_REG32)) |
| 15272 | |
| 15273 | ALT(DEF_ASM_OP1(pushw, 0x50, 0, OPC_REG | OPC_WL, OPT_REGW)) |
| 15274 | ALT(DEF_ASM_OP1(pushw, 0xff, 6, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA)) |
| 15275 | ALT(DEF_ASM_OP1(pushw, 0x6a, 0, OPC_WL, OPT_IM8S)) |
| 15276 | ALT(DEF_ASM_OP1(pushw, 0x68, 0, OPC_WL, OPT_IM32)) |
| 15277 | ALT(DEF_ASM_OP1(pushw, 0x06, 0, OPC_WL, OPT_SEG)) |
| 15278 | |
| 15279 | ALT(DEF_ASM_OP1(popw, 0x58, 0, OPC_REG | OPC_WL, OPT_REGW)) |
| 15280 | ALT(DEF_ASM_OP1(popw, 0x8f, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA)) |
| 15281 | ALT(DEF_ASM_OP1(popw, 0x07, 0, OPC_WL, OPT_SEG)) |
| 15282 | |
| 15283 | ALT(DEF_ASM_OP2(xchgw, 0x90, 0, OPC_REG | OPC_WL, OPT_REG, OPT_EAX)) |
| 15284 | ALT(DEF_ASM_OP2(xchgw, 0x90, 0, OPC_REG | OPC_WL, OPT_EAX, OPT_REG)) |
| 15285 | ALT(DEF_ASM_OP2(xchgb, 0x86, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) |
| 15286 | ALT(DEF_ASM_OP2(xchgb, 0x86, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) |
| 15287 | |
| 15288 | ALT(DEF_ASM_OP2(inb, 0xe4, 0, OPC_BWL, OPT_IM8, OPT_EAX)) |
| 15289 | ALT(DEF_ASM_OP1(inb, 0xe4, 0, OPC_BWL, OPT_IM8)) |
| 15290 | ALT(DEF_ASM_OP2(inb, 0xec, 0, OPC_BWL, OPT_DX, OPT_EAX)) |
| 15291 | ALT(DEF_ASM_OP1(inb, 0xec, 0, OPC_BWL, OPT_DX)) |
| 15292 | |
| 15293 | ALT(DEF_ASM_OP2(outb, 0xe6, 0, OPC_BWL, OPT_EAX, OPT_IM8)) |
| 15294 | ALT(DEF_ASM_OP1(outb, 0xe6, 0, OPC_BWL, OPT_IM8)) |
| 15295 | ALT(DEF_ASM_OP2(outb, 0xee, 0, OPC_BWL, OPT_EAX, OPT_DX)) |
| 15296 | ALT(DEF_ASM_OP1(outb, 0xee, 0, OPC_BWL, OPT_DX)) |
| 15297 | |
| 15298 | ALT(DEF_ASM_OP2(leaw, 0x8d, 0, OPC_MODRM | OPC_WL, OPT_EA, OPT_REG)) |
| 15299 | |
| 15300 | ALT(DEF_ASM_OP2(les, 0xc4, 0, OPC_MODRM, OPT_EA, OPT_REG32)) |
| 15301 | ALT(DEF_ASM_OP2(lds, 0xc5, 0, OPC_MODRM, OPT_EA, OPT_REG32)) |
| 15302 | ALT(DEF_ASM_OP2(lss, 0x0fb2, 0, OPC_MODRM, OPT_EA, OPT_REG32)) |
| 15303 | ALT(DEF_ASM_OP2(lfs, 0x0fb4, 0, OPC_MODRM, OPT_EA, OPT_REG32)) |
| 15304 | ALT(DEF_ASM_OP2(lgs, 0x0fb5, 0, OPC_MODRM, OPT_EA, OPT_REG32)) |
| 15305 | |
| 15306 | /* arith */ |
| 15307 | ALT(DEF_ASM_OP2(addb, 0x00, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) /* XXX: use D bit ? */ |
| 15308 | ALT(DEF_ASM_OP2(addb, 0x02, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) |
| 15309 | ALT(DEF_ASM_OP2(addb, 0x04, 0, OPC_ARITH | OPC_BWL, OPT_IM, OPT_EAX)) |
| 15310 | ALT(DEF_ASM_OP2(addb, 0x80, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_IM, OPT_EA | OPT_REG)) |
| 15311 | ALT(DEF_ASM_OP2(addw, 0x83, 0, OPC_ARITH | OPC_MODRM | OPC_WL, OPT_IM8S, OPT_EA | OPT_REG)) |
| 15312 | |
| 15313 | ALT(DEF_ASM_OP2(testb, 0x84, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) |
| 15314 | ALT(DEF_ASM_OP2(testb, 0x84, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) |
| 15315 | ALT(DEF_ASM_OP2(testb, 0xa8, 0, OPC_BWL, OPT_IM, OPT_EAX)) |
| 15316 | ALT(DEF_ASM_OP2(testb, 0xf6, 0, OPC_MODRM | OPC_BWL, OPT_IM, OPT_EA | OPT_REG)) |
| 15317 | |
| 15318 | ALT(DEF_ASM_OP1(incw, 0x40, 0, OPC_REG | OPC_WL, OPT_REGW)) |
| 15319 | ALT(DEF_ASM_OP1(incb, 0xfe, 0, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 15320 | ALT(DEF_ASM_OP1(decw, 0x48, 0, OPC_REG | OPC_WL, OPT_REGW)) |
| 15321 | ALT(DEF_ASM_OP1(decb, 0xfe, 1, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 15322 | |
| 15323 | ALT(DEF_ASM_OP1(notb, 0xf6, 2, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 15324 | ALT(DEF_ASM_OP1(negb, 0xf6, 3, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 15325 | |
| 15326 | ALT(DEF_ASM_OP1(mulb, 0xf6, 4, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 15327 | ALT(DEF_ASM_OP1(imulb, 0xf6, 5, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 15328 | |
| 15329 | ALT(DEF_ASM_OP2(imulw, 0x0faf, 0, OPC_MODRM | OPC_WL, OPT_REG | OPT_EA, OPT_REG)) |
| 15330 | ALT(DEF_ASM_OP3(imulw, 0x6b, 0, OPC_MODRM | OPC_WL, OPT_IM8S, OPT_REGW | OPT_EA, OPT_REGW)) |
| 15331 | ALT(DEF_ASM_OP2(imulw, 0x6b, 0, OPC_MODRM | OPC_WL, OPT_IM8S, OPT_REGW)) |
| 15332 | ALT(DEF_ASM_OP3(imulw, 0x69, 0, OPC_MODRM | OPC_WL, OPT_IMW, OPT_REGW | OPT_EA, OPT_REGW)) |
| 15333 | ALT(DEF_ASM_OP2(imulw, 0x69, 0, OPC_MODRM | OPC_WL, OPT_IMW, OPT_REGW)) |
| 15334 | |
| 15335 | ALT(DEF_ASM_OP1(divb, 0xf6, 6, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 15336 | ALT(DEF_ASM_OP2(divb, 0xf6, 6, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA, OPT_EAX)) |
| 15337 | ALT(DEF_ASM_OP1(idivb, 0xf6, 7, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 15338 | ALT(DEF_ASM_OP2(idivb, 0xf6, 7, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA, OPT_EAX)) |
| 15339 | |
| 15340 | /* shifts */ |
| 15341 | ALT(DEF_ASM_OP2(rolb, 0xc0, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_IM8, OPT_EA | OPT_REG)) |
| 15342 | ALT(DEF_ASM_OP2(rolb, 0xd2, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_CL, OPT_EA | OPT_REG)) |
| 15343 | ALT(DEF_ASM_OP1(rolb, 0xd0, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_EA | OPT_REG)) |
| 15344 | |
| 15345 | ALT(DEF_ASM_OP3(shldw, 0x0fa4, 0, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW, OPT_EA | OPT_REGW)) |
| 15346 | ALT(DEF_ASM_OP3(shldw, 0x0fa5, 0, OPC_MODRM | OPC_WL, OPT_CL, OPT_REGW, OPT_EA | OPT_REGW)) |
| 15347 | ALT(DEF_ASM_OP2(shldw, 0x0fa5, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_EA | OPT_REGW)) |
| 15348 | ALT(DEF_ASM_OP3(shrdw, 0x0fac, 0, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW, OPT_EA | OPT_REGW)) |
| 15349 | ALT(DEF_ASM_OP3(shrdw, 0x0fad, 0, OPC_MODRM | OPC_WL, OPT_CL, OPT_REGW, OPT_EA | OPT_REGW)) |
| 15350 | ALT(DEF_ASM_OP2(shrdw, 0x0fad, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_EA | OPT_REGW)) |
| 15351 | |
| 15352 | ALT(DEF_ASM_OP1(call, 0xff, 2, OPC_MODRM, OPT_INDIR)) |
| 15353 | ALT(DEF_ASM_OP1(call, 0xe8, 0, OPC_JMP, OPT_ADDR)) |
| 15354 | ALT(DEF_ASM_OP1(jmp, 0xff, 4, OPC_MODRM, OPT_INDIR)) |
| 15355 | ALT(DEF_ASM_OP1(jmp, 0xeb, 0, OPC_SHORTJMP | OPC_JMP, OPT_ADDR)) |
| 15356 | |
| 15357 | ALT(DEF_ASM_OP2(lcall, 0x9a, 0, 0, OPT_IM16, OPT_IM32)) |
| 15358 | ALT(DEF_ASM_OP1(lcall, 0xff, 3, 0, OPT_EA)) |
| 15359 | ALT(DEF_ASM_OP2(ljmp, 0xea, 0, 0, OPT_IM16, OPT_IM32)) |
| 15360 | ALT(DEF_ASM_OP1(ljmp, 0xff, 5, 0, OPT_EA)) |
| 15361 | |
| 15362 | ALT(DEF_ASM_OP1(int, 0xcd, 0, 0, OPT_IM8)) |
| 15363 | ALT(DEF_ASM_OP1(seto, 0x0f90, 0, OPC_MODRM | OPC_TEST, OPT_REG8 | OPT_EA)) |
| 15364 | DEF_ASM_OP2(enter, 0xc8, 0, 0, OPT_IM16, OPT_IM8) |
| 15365 | DEF_ASM_OP0(leave, 0xc9) |
| 15366 | DEF_ASM_OP0(ret, 0xc3) |
| 15367 | ALT(DEF_ASM_OP1(ret, 0xc2, 0, 0, OPT_IM16)) |
| 15368 | DEF_ASM_OP0(lret, 0xcb) |
| 15369 | ALT(DEF_ASM_OP1(lret, 0xca, 0, 0, OPT_IM16)) |
| 15370 | |
| 15371 | ALT(DEF_ASM_OP1(jo, 0x70, 0, OPC_SHORTJMP | OPC_JMP | OPC_TEST, OPT_ADDR)) |
| 15372 | DEF_ASM_OP1(loopne, 0xe0, 0, OPC_SHORTJMP, OPT_ADDR) |
| 15373 | DEF_ASM_OP1(loopnz, 0xe0, 0, OPC_SHORTJMP, OPT_ADDR) |
| 15374 | DEF_ASM_OP1(loope, 0xe1, 0, OPC_SHORTJMP, OPT_ADDR) |
| 15375 | DEF_ASM_OP1(loopz, 0xe1, 0, OPC_SHORTJMP, OPT_ADDR) |
| 15376 | DEF_ASM_OP1(loop, 0xe2, 0, OPC_SHORTJMP, OPT_ADDR) |
| 15377 | DEF_ASM_OP1(jecxz, 0xe3, 0, OPC_SHORTJMP, OPT_ADDR) |
| 15378 | |
| 15379 | /* float */ |
| 15380 | /* specific fcomp handling */ |
| 15381 | ALT(DEF_ASM_OP0L(fcomp, 0xd8d9, 0, 0)) |
| 15382 | |
| 15383 | ALT(DEF_ASM_OP1(fadd, 0xd8c0, 0, OPC_FARITH | OPC_REG, OPT_ST)) |
| 15384 | ALT(DEF_ASM_OP2(fadd, 0xd8c0, 0, OPC_FARITH | OPC_REG, OPT_ST, OPT_ST0)) |
| 15385 | ALT(DEF_ASM_OP0L(fadd, 0xdec1, 0, OPC_FARITH)) |
| 15386 | ALT(DEF_ASM_OP1(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST)) |
| 15387 | ALT(DEF_ASM_OP2(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST, OPT_ST0)) |
| 15388 | ALT(DEF_ASM_OP2(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST0, OPT_ST)) |
| 15389 | ALT(DEF_ASM_OP0L(faddp, 0xdec1, 0, OPC_FARITH)) |
| 15390 | ALT(DEF_ASM_OP1(fadds, 0xd8, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) |
| 15391 | ALT(DEF_ASM_OP1(fiaddl, 0xda, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) |
| 15392 | ALT(DEF_ASM_OP1(faddl, 0xdc, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) |
| 15393 | ALT(DEF_ASM_OP1(fiadds, 0xde, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) |
| 15394 | |
| 15395 | DEF_ASM_OP0(fucompp, 0xdae9) |
| 15396 | DEF_ASM_OP0(ftst, 0xd9e4) |
| 15397 | DEF_ASM_OP0(fxam, 0xd9e5) |
| 15398 | DEF_ASM_OP0(fld1, 0xd9e8) |
| 15399 | DEF_ASM_OP0(fldl2t, 0xd9e9) |
| 15400 | DEF_ASM_OP0(fldl2e, 0xd9ea) |
| 15401 | DEF_ASM_OP0(fldpi, 0xd9eb) |
| 15402 | DEF_ASM_OP0(fldlg2, 0xd9ec) |
| 15403 | DEF_ASM_OP0(fldln2, 0xd9ed) |
| 15404 | DEF_ASM_OP0(fldz, 0xd9ee) |
| 15405 | |
| 15406 | DEF_ASM_OP0(f2xm1, 0xd9f0) |
| 15407 | DEF_ASM_OP0(fyl2x, 0xd9f1) |
| 15408 | DEF_ASM_OP0(fptan, 0xd9f2) |
| 15409 | DEF_ASM_OP0(fpatan, 0xd9f3) |
| 15410 | DEF_ASM_OP0(fxtract, 0xd9f4) |
| 15411 | DEF_ASM_OP0(fprem1, 0xd9f5) |
| 15412 | DEF_ASM_OP0(fdecstp, 0xd9f6) |
| 15413 | DEF_ASM_OP0(fincstp, 0xd9f7) |
| 15414 | DEF_ASM_OP0(fprem, 0xd9f8) |
| 15415 | DEF_ASM_OP0(fyl2xp1, 0xd9f9) |
| 15416 | DEF_ASM_OP0(fsqrt, 0xd9fa) |
| 15417 | DEF_ASM_OP0(fsincos, 0xd9fb) |
| 15418 | DEF_ASM_OP0(frndint, 0xd9fc) |
| 15419 | DEF_ASM_OP0(fscale, 0xd9fd) |
| 15420 | DEF_ASM_OP0(fsin, 0xd9fe) |
| 15421 | DEF_ASM_OP0(fcos, 0xd9ff) |
| 15422 | DEF_ASM_OP0(fchs, 0xd9e0) |
| 15423 | DEF_ASM_OP0(fabs, 0xd9e1) |
| 15424 | DEF_ASM_OP0(fninit, 0xdbe3) |
| 15425 | DEF_ASM_OP0(fnclex, 0xdbe2) |
| 15426 | DEF_ASM_OP0(fnop, 0xd9d0) |
| 15427 | DEF_ASM_OP0(fwait, 0x9b) |
| 15428 | |
| 15429 | /* fp load */ |
| 15430 | DEF_ASM_OP1(fld, 0xd9c0, 0, OPC_REG, OPT_ST) |
| 15431 | DEF_ASM_OP1(fldl, 0xd9c0, 0, OPC_REG, OPT_ST) |
| 15432 | DEF_ASM_OP1(flds, 0xd9, 0, OPC_MODRM, OPT_EA) |
| 15433 | ALT(DEF_ASM_OP1(fldl, 0xdd, 0, OPC_MODRM, OPT_EA)) |
| 15434 | DEF_ASM_OP1(fildl, 0xdb, 0, OPC_MODRM, OPT_EA) |
| 15435 | DEF_ASM_OP1(fildq, 0xdf, 5, OPC_MODRM, OPT_EA) |
| 15436 | DEF_ASM_OP1(fildll, 0xdf, 5, OPC_MODRM,OPT_EA) |
| 15437 | DEF_ASM_OP1(fldt, 0xdb, 5, OPC_MODRM, OPT_EA) |
| 15438 | DEF_ASM_OP1(fbld, 0xdf, 4, OPC_MODRM, OPT_EA) |
| 15439 | |
| 15440 | /* fp store */ |
| 15441 | DEF_ASM_OP1(fst, 0xddd0, 0, OPC_REG, OPT_ST) |
| 15442 | DEF_ASM_OP1(fstl, 0xddd0, 0, OPC_REG, OPT_ST) |
| 15443 | DEF_ASM_OP1(fsts, 0xd9, 2, OPC_MODRM, OPT_EA) |
| 15444 | DEF_ASM_OP1(fstps, 0xd9, 3, OPC_MODRM, OPT_EA) |
| 15445 | ALT(DEF_ASM_OP1(fstl, 0xdd, 2, OPC_MODRM, OPT_EA)) |
| 15446 | DEF_ASM_OP1(fstpl, 0xdd, 3, OPC_MODRM, OPT_EA) |
| 15447 | DEF_ASM_OP1(fist, 0xdf, 2, OPC_MODRM, OPT_EA) |
| 15448 | DEF_ASM_OP1(fistp, 0xdf, 3, OPC_MODRM, OPT_EA) |
| 15449 | DEF_ASM_OP1(fistl, 0xdb, 2, OPC_MODRM, OPT_EA) |
| 15450 | DEF_ASM_OP1(fistpl, 0xdb, 3, OPC_MODRM, OPT_EA) |
| 15451 | |
| 15452 | DEF_ASM_OP1(fstp, 0xddd8, 0, OPC_REG, OPT_ST) |
| 15453 | DEF_ASM_OP1(fistpq, 0xdf, 7, OPC_MODRM, OPT_EA) |
| 15454 | DEF_ASM_OP1(fistpll, 0xdf, 7, OPC_MODRM, OPT_EA) |
| 15455 | DEF_ASM_OP1(fstpt, 0xdb, 7, OPC_MODRM, OPT_EA) |
| 15456 | DEF_ASM_OP1(fbstp, 0xdf, 6, OPC_MODRM, OPT_EA) |
| 15457 | |
| 15458 | /* exchange */ |
| 15459 | DEF_ASM_OP0(fxch, 0xd9c9) |
| 15460 | ALT(DEF_ASM_OP1(fxch, 0xd9c8, 0, OPC_REG, OPT_ST)) |
| 15461 | |
| 15462 | /* misc FPU */ |
| 15463 | DEF_ASM_OP1(fucom, 0xdde0, 0, OPC_REG, OPT_ST ) |
| 15464 | DEF_ASM_OP1(fucomp, 0xdde8, 0, OPC_REG, OPT_ST ) |
| 15465 | |
| 15466 | DEF_ASM_OP0L(finit, 0xdbe3, 0, OPC_FWAIT) |
| 15467 | DEF_ASM_OP1(fldcw, 0xd9, 5, OPC_MODRM, OPT_EA ) |
| 15468 | DEF_ASM_OP1(fnstcw, 0xd9, 7, OPC_MODRM, OPT_EA ) |
| 15469 | DEF_ASM_OP1(fstcw, 0xd9, 7, OPC_MODRM | OPC_FWAIT, OPT_EA ) |
| 15470 | DEF_ASM_OP0(fnstsw, 0xdfe0) |
| 15471 | ALT(DEF_ASM_OP1(fnstsw, 0xdfe0, 0, 0, OPT_EAX )) |
| 15472 | ALT(DEF_ASM_OP1(fnstsw, 0xdd, 7, OPC_MODRM, OPT_EA )) |
| 15473 | DEF_ASM_OP1(fstsw, 0xdfe0, 0, OPC_FWAIT, OPT_EAX ) |
| 15474 | ALT(DEF_ASM_OP0L(fstsw, 0xdfe0, 0, OPC_FWAIT)) |
| 15475 | ALT(DEF_ASM_OP1(fstsw, 0xdd, 7, OPC_MODRM | OPC_FWAIT, OPT_EA )) |
| 15476 | DEF_ASM_OP0L(fclex, 0xdbe2, 0, OPC_FWAIT) |
| 15477 | DEF_ASM_OP1(fnstenv, 0xd9, 6, OPC_MODRM, OPT_EA ) |
| 15478 | DEF_ASM_OP1(fstenv, 0xd9, 6, OPC_MODRM | OPC_FWAIT, OPT_EA ) |
| 15479 | DEF_ASM_OP1(fldenv, 0xd9, 4, OPC_MODRM, OPT_EA ) |
| 15480 | DEF_ASM_OP1(fnsave, 0xdd, 6, OPC_MODRM, OPT_EA ) |
| 15481 | DEF_ASM_OP1(fsave, 0xdd, 6, OPC_MODRM | OPC_FWAIT, OPT_EA ) |
| 15482 | DEF_ASM_OP1(frstor, 0xdd, 4, OPC_MODRM, OPT_EA ) |
| 15483 | DEF_ASM_OP1(ffree, 0xddc0, 4, OPC_REG, OPT_ST ) |
| 15484 | DEF_ASM_OP1(ffreep, 0xdfc0, 4, OPC_REG, OPT_ST ) |
| 15485 | DEF_ASM_OP1(fxsave, 0x0fae, 0, OPC_MODRM, OPT_EA ) |
| 15486 | DEF_ASM_OP1(fxrstor, 0x0fae, 1, OPC_MODRM, OPT_EA ) |
| 15487 | |
| 15488 | /* segments */ |
| 15489 | DEF_ASM_OP2(arpl, 0x63, 0, OPC_MODRM, OPT_REG16, OPT_REG16 | OPT_EA) |
| 15490 | DEF_ASM_OP2(lar, 0x0f02, 0, OPC_MODRM, OPT_REG32 | OPT_EA, OPT_REG32) |
| 15491 | DEF_ASM_OP1(lgdt, 0x0f01, 2, OPC_MODRM, OPT_EA) |
| 15492 | DEF_ASM_OP1(lidt, 0x0f01, 3, OPC_MODRM, OPT_EA) |
| 15493 | DEF_ASM_OP1(lldt, 0x0f00, 2, OPC_MODRM, OPT_EA | OPT_REG) |
| 15494 | DEF_ASM_OP1(lmsw, 0x0f01, 6, OPC_MODRM, OPT_EA | OPT_REG) |
| 15495 | ALT(DEF_ASM_OP2(lslw, 0x0f03, 0, OPC_MODRM | OPC_WL, OPT_EA | OPT_REG, OPT_REG)) |
| 15496 | DEF_ASM_OP1(ltr, 0x0f00, 3, OPC_MODRM, OPT_EA | OPT_REG) |
| 15497 | DEF_ASM_OP1(sgdt, 0x0f01, 0, OPC_MODRM, OPT_EA) |
| 15498 | DEF_ASM_OP1(sidt, 0x0f01, 1, OPC_MODRM, OPT_EA) |
| 15499 | DEF_ASM_OP1(sldt, 0x0f00, 0, OPC_MODRM, OPT_REG | OPT_EA) |
| 15500 | DEF_ASM_OP1(smsw, 0x0f01, 4, OPC_MODRM, OPT_REG | OPT_EA) |
| 15501 | DEF_ASM_OP1(str, 0x0f00, 1, OPC_MODRM, OPT_REG16| OPT_EA) |
| 15502 | DEF_ASM_OP1(verr, 0x0f00, 4, OPC_MODRM, OPT_REG | OPT_EA) |
| 15503 | DEF_ASM_OP1(verw, 0x0f00, 5, OPC_MODRM, OPT_REG | OPT_EA) |
| 15504 | |
| 15505 | /* 486 */ |
| 15506 | DEF_ASM_OP1(bswap, 0x0fc8, 0, OPC_REG, OPT_REG32 ) |
| 15507 | ALT(DEF_ASM_OP2(xaddb, 0x0fc0, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_REG | OPT_EA )) |
| 15508 | ALT(DEF_ASM_OP2(cmpxchgb, 0x0fb0, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_REG | OPT_EA )) |
| 15509 | DEF_ASM_OP1(invlpg, 0x0f01, 7, OPC_MODRM, OPT_EA ) |
| 15510 | |
| 15511 | DEF_ASM_OP2(boundl, 0x62, 0, OPC_MODRM, OPT_REG32, OPT_EA) |
| 15512 | DEF_ASM_OP2(boundw, 0x62, 0, OPC_MODRM | OPC_D16, OPT_REG16, OPT_EA) |
| 15513 | |
| 15514 | /* pentium */ |
| 15515 | DEF_ASM_OP1(cmpxchg8b, 0x0fc7, 1, OPC_MODRM, OPT_EA ) |
| 15516 | |
| 15517 | /* pentium pro */ |
| 15518 | ALT(DEF_ASM_OP2(cmovo, 0x0f40, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32)) |
| 15519 | |
| 15520 | DEF_ASM_OP2(fcmovb, 0xdac0, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 15521 | DEF_ASM_OP2(fcmove, 0xdac8, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 15522 | DEF_ASM_OP2(fcmovbe, 0xdad0, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 15523 | DEF_ASM_OP2(fcmovu, 0xdad8, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 15524 | DEF_ASM_OP2(fcmovnb, 0xdbc0, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 15525 | DEF_ASM_OP2(fcmovne, 0xdbc8, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 15526 | DEF_ASM_OP2(fcmovnbe, 0xdbd0, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 15527 | DEF_ASM_OP2(fcmovnu, 0xdbd8, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 15528 | |
| 15529 | DEF_ASM_OP2(fucomi, 0xdbe8, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 15530 | DEF_ASM_OP2(fcomi, 0xdbf0, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 15531 | DEF_ASM_OP2(fucomip, 0xdfe8, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 15532 | DEF_ASM_OP2(fcomip, 0xdff0, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 15533 | |
| 15534 | /* mmx */ |
| 15535 | DEF_ASM_OP0(emms, 0x0f77) /* must be last OP0 */ |
| 15536 | DEF_ASM_OP2(movd, 0x0f6e, 0, OPC_MODRM, OPT_EA | OPT_REG32, OPT_MMX ) |
| 15537 | ALT(DEF_ASM_OP2(movd, 0x0f7e, 0, OPC_MODRM, OPT_MMX, OPT_EA | OPT_REG32 )) |
| 15538 | DEF_ASM_OP2(movq, 0x0f6f, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15539 | ALT(DEF_ASM_OP2(movq, 0x0f7f, 0, OPC_MODRM, OPT_MMX, OPT_EA | OPT_MMX )) |
| 15540 | DEF_ASM_OP2(packssdw, 0x0f6b, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15541 | DEF_ASM_OP2(packsswb, 0x0f63, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15542 | DEF_ASM_OP2(packuswb, 0x0f67, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15543 | DEF_ASM_OP2(paddb, 0x0ffc, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15544 | DEF_ASM_OP2(paddw, 0x0ffd, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15545 | DEF_ASM_OP2(paddd, 0x0ffe, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15546 | DEF_ASM_OP2(paddsb, 0x0fec, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15547 | DEF_ASM_OP2(paddsw, 0x0fed, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15548 | DEF_ASM_OP2(paddusb, 0x0fdc, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15549 | DEF_ASM_OP2(paddusw, 0x0fdd, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15550 | DEF_ASM_OP2(pand, 0x0fdb, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15551 | DEF_ASM_OP2(pandn, 0x0fdf, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15552 | DEF_ASM_OP2(pcmpeqb, 0x0f74, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15553 | DEF_ASM_OP2(pcmpeqw, 0x0f75, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15554 | DEF_ASM_OP2(pcmpeqd, 0x0f76, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15555 | DEF_ASM_OP2(pcmpgtb, 0x0f64, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15556 | DEF_ASM_OP2(pcmpgtw, 0x0f65, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15557 | DEF_ASM_OP2(pcmpgtd, 0x0f66, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15558 | DEF_ASM_OP2(pmaddwd, 0x0ff5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15559 | DEF_ASM_OP2(pmulhw, 0x0fe5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15560 | DEF_ASM_OP2(pmullw, 0x0fd5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15561 | DEF_ASM_OP2(por, 0x0feb, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15562 | DEF_ASM_OP2(psllw, 0x0ff1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15563 | ALT(DEF_ASM_OP2(psllw, 0x0f71, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 15564 | DEF_ASM_OP2(pslld, 0x0ff2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15565 | ALT(DEF_ASM_OP2(pslld, 0x0f72, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 15566 | DEF_ASM_OP2(psllq, 0x0ff3, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15567 | ALT(DEF_ASM_OP2(psllq, 0x0f73, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 15568 | DEF_ASM_OP2(psraw, 0x0fe1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15569 | ALT(DEF_ASM_OP2(psraw, 0x0f71, 4, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 15570 | DEF_ASM_OP2(psrad, 0x0fe2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15571 | ALT(DEF_ASM_OP2(psrad, 0x0f72, 4, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 15572 | DEF_ASM_OP2(psrlw, 0x0fd1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15573 | ALT(DEF_ASM_OP2(psrlw, 0x0f71, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 15574 | DEF_ASM_OP2(psrld, 0x0fd2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15575 | ALT(DEF_ASM_OP2(psrld, 0x0f72, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 15576 | DEF_ASM_OP2(psrlq, 0x0fd3, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15577 | ALT(DEF_ASM_OP2(psrlq, 0x0f73, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 15578 | DEF_ASM_OP2(psubb, 0x0ff8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15579 | DEF_ASM_OP2(psubw, 0x0ff9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15580 | DEF_ASM_OP2(psubd, 0x0ffa, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15581 | DEF_ASM_OP2(psubsb, 0x0fe8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15582 | DEF_ASM_OP2(psubsw, 0x0fe9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15583 | DEF_ASM_OP2(psubusb, 0x0fd8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15584 | DEF_ASM_OP2(psubusw, 0x0fd9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15585 | DEF_ASM_OP2(punpckhbw, 0x0f68, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15586 | DEF_ASM_OP2(punpckhwd, 0x0f69, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15587 | DEF_ASM_OP2(punpckhdq, 0x0f6a, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15588 | DEF_ASM_OP2(punpcklbw, 0x0f60, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15589 | DEF_ASM_OP2(punpcklwd, 0x0f61, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15590 | DEF_ASM_OP2(punpckldq, 0x0f62, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15591 | DEF_ASM_OP2(pxor, 0x0fef, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 15592 | |
| 15593 | #undef ALT |
| 15594 | #undef DEF_ASM_OP0 |
| 15595 | #undef DEF_ASM_OP0L |
| 15596 | #undef DEF_ASM_OP1 |
| 15597 | #undef DEF_ASM_OP2 |
| 15598 | #undef DEF_ASM_OP3 |
| 15599 | //--------------------------------------------------------------------------- |
| 15600 | |
| 15601 | /* last operation */ |
| 15602 | { 0, }, |
| 15603 | }; |
| 15604 | |
| 15605 | static const uint16_t op0_codes[] = { |
| 15606 | #define ALT(x) |
| 15607 | #define DEF_ASM_OP0(x, opcode) opcode, |
| 15608 | #define DEF_ASM_OP0L(name, opcode, group, instr_type) |
| 15609 | #define DEF_ASM_OP1(name, opcode, group, instr_type, op0) |
| 15610 | #define DEF_ASM_OP2(name, opcode, group, instr_type, op0, op1) |
| 15611 | #define DEF_ASM_OP3(name, opcode, group, instr_type, op0, op1, op2) |
| 15612 | // njn: inlined i386-asm.h |
| 15613 | //#include "i386-asm.h" |
| 15614 | //--------------------------------------------------------------------------- |
| 15615 | DEF_ASM_OP0(pusha, 0x60) /* must be first OP0 */ |
| 15616 | DEF_ASM_OP0(popa, 0x61) |
| 15617 | DEF_ASM_OP0(clc, 0xf8) |
| 15618 | DEF_ASM_OP0(cld, 0xfc) |
| 15619 | DEF_ASM_OP0(cli, 0xfa) |
| 15620 | DEF_ASM_OP0(clts, 0x0f06) |
| 15621 | DEF_ASM_OP0(cmc, 0xf5) |
| 15622 | DEF_ASM_OP0(lahf, 0x9f) |
| 15623 | DEF_ASM_OP0(sahf, 0x9e) |
| 15624 | DEF_ASM_OP0(pushfl, 0x9c) |
| 15625 | DEF_ASM_OP0(popfl, 0x9d) |
| 15626 | DEF_ASM_OP0(pushf, 0x9c) |
| 15627 | DEF_ASM_OP0(popf, 0x9d) |
| 15628 | DEF_ASM_OP0(stc, 0xf9) |
| 15629 | DEF_ASM_OP0(std, 0xfd) |
| 15630 | DEF_ASM_OP0(sti, 0xfb) |
| 15631 | DEF_ASM_OP0(aaa, 0x37) |
| 15632 | DEF_ASM_OP0(aas, 0x3f) |
| 15633 | DEF_ASM_OP0(daa, 0x27) |
| 15634 | DEF_ASM_OP0(das, 0x2f) |
| 15635 | DEF_ASM_OP0(aad, 0xd50a) |
| 15636 | DEF_ASM_OP0(aam, 0xd40a) |
| 15637 | DEF_ASM_OP0(cbw, 0x6698) |
| 15638 | DEF_ASM_OP0(cwd, 0x6699) |
| 15639 | DEF_ASM_OP0(cwde, 0x98) |
| 15640 | DEF_ASM_OP0(cdq, 0x99) |
| 15641 | DEF_ASM_OP0(cbtw, 0x6698) |
| 15642 | DEF_ASM_OP0(cwtl, 0x98) |
| 15643 | DEF_ASM_OP0(cwtd, 0x6699) |
| 15644 | DEF_ASM_OP0(cltd, 0x99) |
| 15645 | DEF_ASM_OP0(int3, 0xcc) |
| 15646 | DEF_ASM_OP0(into, 0xce) |
| 15647 | DEF_ASM_OP0(iret, 0xcf) |
| 15648 | DEF_ASM_OP0(rsm, 0x0faa) |
| 15649 | DEF_ASM_OP0(hlt, 0xf4) |
| 15650 | DEF_ASM_OP0(wait, 0x9b) |
| 15651 | DEF_ASM_OP0(nop, 0x90) |
| 15652 | DEF_ASM_OP0(xlat, 0xd7) |
| 15653 | |
| 15654 | /* strings */ |
| 15655 | ALT(DEF_ASM_OP0L(cmpsb, 0xa6, 0, OPC_BWL)) |
| 15656 | ALT(DEF_ASM_OP0L(scmpb, 0xa6, 0, OPC_BWL)) |
| 15657 | |
| 15658 | ALT(DEF_ASM_OP0L(insb, 0x6c, 0, OPC_BWL)) |
| 15659 | ALT(DEF_ASM_OP0L(outsb, 0x6e, 0, OPC_BWL)) |
| 15660 | |
| 15661 | ALT(DEF_ASM_OP0L(lodsb, 0xac, 0, OPC_BWL)) |
| 15662 | ALT(DEF_ASM_OP0L(slodb, 0xac, 0, OPC_BWL)) |
| 15663 | |
| 15664 | ALT(DEF_ASM_OP0L(movsb, 0xa4, 0, OPC_BWL)) |
| 15665 | ALT(DEF_ASM_OP0L(smovb, 0xa4, 0, OPC_BWL)) |
| 15666 | |
| 15667 | ALT(DEF_ASM_OP0L(scasb, 0xae, 0, OPC_BWL)) |
| 15668 | ALT(DEF_ASM_OP0L(sscab, 0xae, 0, OPC_BWL)) |
| 15669 | |
| 15670 | ALT(DEF_ASM_OP0L(stosb, 0xaa, 0, OPC_BWL)) |
| 15671 | ALT(DEF_ASM_OP0L(sstob, 0xaa, 0, OPC_BWL)) |
| 15672 | |
| 15673 | /* bits */ |
| 15674 | |
| 15675 | ALT(DEF_ASM_OP2(bsfw, 0x0fbc, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA, OPT_REGW)) |
| 15676 | ALT(DEF_ASM_OP2(bsrw, 0x0fbd, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA, OPT_REGW)) |
| 15677 | |
| 15678 | ALT(DEF_ASM_OP2(btw, 0x0fa3, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) |
| 15679 | ALT(DEF_ASM_OP2(btw, 0x0fba, 4, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) |
| 15680 | |
| 15681 | ALT(DEF_ASM_OP2(btsw, 0x0fab, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) |
| 15682 | ALT(DEF_ASM_OP2(btsw, 0x0fba, 5, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) |
| 15683 | |
| 15684 | ALT(DEF_ASM_OP2(btrw, 0x0fb3, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) |
| 15685 | ALT(DEF_ASM_OP2(btrw, 0x0fba, 6, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) |
| 15686 | |
| 15687 | ALT(DEF_ASM_OP2(btcw, 0x0fbb, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) |
| 15688 | ALT(DEF_ASM_OP2(btcw, 0x0fba, 7, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) |
| 15689 | |
| 15690 | /* prefixes */ |
| 15691 | DEF_ASM_OP0(aword, 0x67) |
| 15692 | DEF_ASM_OP0(addr16, 0x67) |
| 15693 | DEF_ASM_OP0(word, 0x66) |
| 15694 | DEF_ASM_OP0(data16, 0x66) |
| 15695 | DEF_ASM_OP0(lock, 0xf0) |
| 15696 | DEF_ASM_OP0(rep, 0xf3) |
| 15697 | DEF_ASM_OP0(repe, 0xf3) |
| 15698 | DEF_ASM_OP0(repz, 0xf3) |
| 15699 | DEF_ASM_OP0(repne, 0xf2) |
| 15700 | DEF_ASM_OP0(repnz, 0xf2) |
| 15701 | |
| 15702 | DEF_ASM_OP0(invd, 0x0f08) |
| 15703 | DEF_ASM_OP0(wbinvd, 0x0f09) |
| 15704 | DEF_ASM_OP0(cpuid, 0x0fa2) |
| 15705 | DEF_ASM_OP0(wrmsr, 0x0f30) |
| 15706 | DEF_ASM_OP0(rdtsc, 0x0f31) |
| 15707 | DEF_ASM_OP0(rdmsr, 0x0f32) |
| 15708 | DEF_ASM_OP0(rdpmc, 0x0f33) |
| 15709 | DEF_ASM_OP0(ud2, 0x0f0b) |
| 15710 | |
| 15711 | /* NOTE: we took the same order as gas opcode definition order */ |
| 15712 | ALT(DEF_ASM_OP2(movb, 0xa0, 0, OPC_BWL, OPT_ADDR, OPT_EAX)) |
| 15713 | ALT(DEF_ASM_OP2(movb, 0xa2, 0, OPC_BWL, OPT_EAX, OPT_ADDR)) |
| 15714 | ALT(DEF_ASM_OP2(movb, 0x88, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) |
| 15715 | ALT(DEF_ASM_OP2(movb, 0x8a, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) |
| 15716 | ALT(DEF_ASM_OP2(movb, 0xb0, 0, OPC_REG | OPC_BWL, OPT_IM, OPT_REG)) |
| 15717 | ALT(DEF_ASM_OP2(movb, 0xc6, 0, OPC_MODRM | OPC_BWL, OPT_IM, OPT_REG | OPT_EA)) |
| 15718 | |
| 15719 | ALT(DEF_ASM_OP2(movw, 0x8c, 0, OPC_MODRM | OPC_WL, OPT_SEG, OPT_EA | OPT_REG)) |
| 15720 | ALT(DEF_ASM_OP2(movw, 0x8e, 0, OPC_MODRM | OPC_WL, OPT_EA | OPT_REG, OPT_SEG)) |
| 15721 | |
| 15722 | ALT(DEF_ASM_OP2(movw, 0x0f20, 0, OPC_MODRM | OPC_WL, OPT_CR, OPT_REG32)) |
| 15723 | ALT(DEF_ASM_OP2(movw, 0x0f21, 0, OPC_MODRM | OPC_WL, OPT_DB, OPT_REG32)) |
| 15724 | ALT(DEF_ASM_OP2(movw, 0x0f24, 0, OPC_MODRM | OPC_WL, OPT_TR, OPT_REG32)) |
| 15725 | ALT(DEF_ASM_OP2(movw, 0x0f22, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_CR)) |
| 15726 | ALT(DEF_ASM_OP2(movw, 0x0f23, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_DB)) |
| 15727 | ALT(DEF_ASM_OP2(movw, 0x0f26, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_TR)) |
| 15728 | |
| 15729 | ALT(DEF_ASM_OP2(movsbl, 0x0fbe, 0, OPC_MODRM, OPT_REG8 | OPT_EA, OPT_REG32)) |
| 15730 | ALT(DEF_ASM_OP2(movsbw, 0x0fbe, 0, OPC_MODRM | OPC_D16, OPT_REG8 | OPT_EA, OPT_REG16)) |
| 15731 | ALT(DEF_ASM_OP2(movswl, 0x0fbf, 0, OPC_MODRM, OPT_REG16 | OPT_EA, OPT_REG32)) |
| 15732 | ALT(DEF_ASM_OP2(movzbw, 0x0fb6, 0, OPC_MODRM | OPC_WL, OPT_REG8 | OPT_EA, OPT_REGW)) |
| 15733 | ALT(DEF_ASM_OP2(movzwl, 0x0fb7, 0, OPC_MODRM, OPT_REG16 | OPT_EA, OPT_REG32)) |
| 15734 | |
| 15735 | ALT(DEF_ASM_OP1(pushw, 0x50, 0, OPC_REG | OPC_WL, OPT_REGW)) |
| 15736 | ALT(DEF_ASM_OP1(pushw, 0xff, 6, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA)) |
| 15737 | ALT(DEF_ASM_OP1(pushw, 0x6a, 0, OPC_WL, OPT_IM8S)) |
| 15738 | ALT(DEF_ASM_OP1(pushw, 0x68, 0, OPC_WL, OPT_IM32)) |
| 15739 | ALT(DEF_ASM_OP1(pushw, 0x06, 0, OPC_WL, OPT_SEG)) |
| 15740 | |
| 15741 | ALT(DEF_ASM_OP1(popw, 0x58, 0, OPC_REG | OPC_WL, OPT_REGW)) |
| 15742 | ALT(DEF_ASM_OP1(popw, 0x8f, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA)) |
| 15743 | ALT(DEF_ASM_OP1(popw, 0x07, 0, OPC_WL, OPT_SEG)) |
| 15744 | |
| 15745 | ALT(DEF_ASM_OP2(xchgw, 0x90, 0, OPC_REG | OPC_WL, OPT_REG, OPT_EAX)) |
| 15746 | ALT(DEF_ASM_OP2(xchgw, 0x90, 0, OPC_REG | OPC_WL, OPT_EAX, OPT_REG)) |
| 15747 | ALT(DEF_ASM_OP2(xchgb, 0x86, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) |
| 15748 | ALT(DEF_ASM_OP2(xchgb, 0x86, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) |
| 15749 | |
| 15750 | ALT(DEF_ASM_OP2(inb, 0xe4, 0, OPC_BWL, OPT_IM8, OPT_EAX)) |
| 15751 | ALT(DEF_ASM_OP1(inb, 0xe4, 0, OPC_BWL, OPT_IM8)) |
| 15752 | ALT(DEF_ASM_OP2(inb, 0xec, 0, OPC_BWL, OPT_DX, OPT_EAX)) |
| 15753 | ALT(DEF_ASM_OP1(inb, 0xec, 0, OPC_BWL, OPT_DX)) |
| 15754 | |
| 15755 | ALT(DEF_ASM_OP2(outb, 0xe6, 0, OPC_BWL, OPT_EAX, OPT_IM8)) |
| 15756 | ALT(DEF_ASM_OP1(outb, 0xe6, 0, OPC_BWL, OPT_IM8)) |
| 15757 | ALT(DEF_ASM_OP2(outb, 0xee, 0, OPC_BWL, OPT_EAX, OPT_DX)) |
| 15758 | ALT(DEF_ASM_OP1(outb, 0xee, 0, OPC_BWL, OPT_DX)) |
| 15759 | |
| 15760 | ALT(DEF_ASM_OP2(leaw, 0x8d, 0, OPC_MODRM | OPC_WL, OPT_EA, OPT_REG)) |
| 15761 | |
| 15762 | ALT(DEF_ASM_OP2(les, 0xc4, 0, OPC_MODRM, OPT_EA, OPT_REG32)) |
| 15763 | ALT(DEF_ASM_OP2(lds, 0xc5, 0, OPC_MODRM, OPT_EA, OPT_REG32)) |
| 15764 | ALT(DEF_ASM_OP2(lss, 0x0fb2, 0, OPC_MODRM, OPT_EA, OPT_REG32)) |
| 15765 | ALT(DEF_ASM_OP2(lfs, 0x0fb4, 0, OPC_MODRM, OPT_EA, OPT_REG32)) |
| 15766 | ALT(DEF_ASM_OP2(lgs, 0x0fb5, 0, OPC_MODRM, OPT_EA, OPT_REG32)) |
| 15767 | |
| 15768 | /* arith */ |
| 15769 | ALT(DEF_ASM_OP2(addb, 0x00, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) /* XXX: use D bit ? */ |
| 15770 | ALT(DEF_ASM_OP2(addb, 0x02, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) |
| 15771 | ALT(DEF_ASM_OP2(addb, 0x04, 0, OPC_ARITH | OPC_BWL, OPT_IM, OPT_EAX)) |
| 15772 | ALT(DEF_ASM_OP2(addb, 0x80, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_IM, OPT_EA | OPT_REG)) |
| 15773 | ALT(DEF_ASM_OP2(addw, 0x83, 0, OPC_ARITH | OPC_MODRM | OPC_WL, OPT_IM8S, OPT_EA | OPT_REG)) |
| 15774 | |
| 15775 | ALT(DEF_ASM_OP2(testb, 0x84, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) |
| 15776 | ALT(DEF_ASM_OP2(testb, 0x84, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) |
| 15777 | ALT(DEF_ASM_OP2(testb, 0xa8, 0, OPC_BWL, OPT_IM, OPT_EAX)) |
| 15778 | ALT(DEF_ASM_OP2(testb, 0xf6, 0, OPC_MODRM | OPC_BWL, OPT_IM, OPT_EA | OPT_REG)) |
| 15779 | |
| 15780 | ALT(DEF_ASM_OP1(incw, 0x40, 0, OPC_REG | OPC_WL, OPT_REGW)) |
| 15781 | ALT(DEF_ASM_OP1(incb, 0xfe, 0, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 15782 | ALT(DEF_ASM_OP1(decw, 0x48, 0, OPC_REG | OPC_WL, OPT_REGW)) |
| 15783 | ALT(DEF_ASM_OP1(decb, 0xfe, 1, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 15784 | |
| 15785 | ALT(DEF_ASM_OP1(notb, 0xf6, 2, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 15786 | ALT(DEF_ASM_OP1(negb, 0xf6, 3, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 15787 | |
| 15788 | ALT(DEF_ASM_OP1(mulb, 0xf6, 4, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 15789 | ALT(DEF_ASM_OP1(imulb, 0xf6, 5, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 15790 | |
| 15791 | ALT(DEF_ASM_OP2(imulw, 0x0faf, 0, OPC_MODRM | OPC_WL, OPT_REG | OPT_EA, OPT_REG)) |
| 15792 | ALT(DEF_ASM_OP3(imulw, 0x6b, 0, OPC_MODRM | OPC_WL, OPT_IM8S, OPT_REGW | OPT_EA, OPT_REGW)) |
| 15793 | ALT(DEF_ASM_OP2(imulw, 0x6b, 0, OPC_MODRM | OPC_WL, OPT_IM8S, OPT_REGW)) |
| 15794 | ALT(DEF_ASM_OP3(imulw, 0x69, 0, OPC_MODRM | OPC_WL, OPT_IMW, OPT_REGW | OPT_EA, OPT_REGW)) |
| 15795 | ALT(DEF_ASM_OP2(imulw, 0x69, 0, OPC_MODRM | OPC_WL, OPT_IMW, OPT_REGW)) |
| 15796 | |
| 15797 | ALT(DEF_ASM_OP1(divb, 0xf6, 6, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 15798 | ALT(DEF_ASM_OP2(divb, 0xf6, 6, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA, OPT_EAX)) |
| 15799 | ALT(DEF_ASM_OP1(idivb, 0xf6, 7, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) |
| 15800 | ALT(DEF_ASM_OP2(idivb, 0xf6, 7, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA, OPT_EAX)) |
| 15801 | |
| 15802 | /* shifts */ |
| 15803 | ALT(DEF_ASM_OP2(rolb, 0xc0, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_IM8, OPT_EA | OPT_REG)) |
| 15804 | ALT(DEF_ASM_OP2(rolb, 0xd2, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_CL, OPT_EA | OPT_REG)) |
| 15805 | ALT(DEF_ASM_OP1(rolb, 0xd0, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_EA | OPT_REG)) |
| 15806 | |
| 15807 | ALT(DEF_ASM_OP3(shldw, 0x0fa4, 0, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW, OPT_EA | OPT_REGW)) |
| 15808 | ALT(DEF_ASM_OP3(shldw, 0x0fa5, 0, OPC_MODRM | OPC_WL, OPT_CL, OPT_REGW, OPT_EA | OPT_REGW)) |
| 15809 | ALT(DEF_ASM_OP2(shldw, 0x0fa5, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_EA | OPT_REGW)) |
| 15810 | ALT(DEF_ASM_OP3(shrdw, 0x0fac, 0, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW, OPT_EA | OPT_REGW)) |
| 15811 | ALT(DEF_ASM_OP3(shrdw, 0x0fad, 0, OPC_MODRM | OPC_WL, OPT_CL, OPT_REGW, OPT_EA | OPT_REGW)) |
| 15812 | ALT(DEF_ASM_OP2(shrdw, 0x0fad, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_EA | OPT_REGW)) |
| 15813 | |
| 15814 | ALT(DEF_ASM_OP1(call, 0xff, 2, OPC_MODRM, OPT_INDIR)) |
| 15815 | ALT(DEF_ASM_OP1(call, 0xe8, 0, OPC_JMP, OPT_ADDR)) |
| 15816 | ALT(DEF_ASM_OP1(jmp, 0xff, 4, OPC_MODRM, OPT_INDIR)) |
| 15817 | ALT(DEF_ASM_OP1(jmp, 0xeb, 0, OPC_SHORTJMP | OPC_JMP, OPT_ADDR)) |
| 15818 | |
| 15819 | ALT(DEF_ASM_OP2(lcall, 0x9a, 0, 0, OPT_IM16, OPT_IM32)) |
| 15820 | ALT(DEF_ASM_OP1(lcall, 0xff, 3, 0, OPT_EA)) |
| 15821 | ALT(DEF_ASM_OP2(ljmp, 0xea, 0, 0, OPT_IM16, OPT_IM32)) |
| 15822 | ALT(DEF_ASM_OP1(ljmp, 0xff, 5, 0, OPT_EA)) |
| 15823 | |
| 15824 | ALT(DEF_ASM_OP1(int, 0xcd, 0, 0, OPT_IM8)) |
| 15825 | ALT(DEF_ASM_OP1(seto, 0x0f90, 0, OPC_MODRM | OPC_TEST, OPT_REG8 | OPT_EA)) |
| 15826 | DEF_ASM_OP2(enter, 0xc8, 0, 0, OPT_IM16, OPT_IM8) |
| 15827 | DEF_ASM_OP0(leave, 0xc9) |
| 15828 | DEF_ASM_OP0(ret, 0xc3) |
| 15829 | ALT(DEF_ASM_OP1(ret, 0xc2, 0, 0, OPT_IM16)) |
| 15830 | DEF_ASM_OP0(lret, 0xcb) |
| 15831 | ALT(DEF_ASM_OP1(lret, 0xca, 0, 0, OPT_IM16)) |
| 15832 | |
| 15833 | ALT(DEF_ASM_OP1(jo, 0x70, 0, OPC_SHORTJMP | OPC_JMP | OPC_TEST, OPT_ADDR)) |
| 15834 | DEF_ASM_OP1(loopne, 0xe0, 0, OPC_SHORTJMP, OPT_ADDR) |
| 15835 | DEF_ASM_OP1(loopnz, 0xe0, 0, OPC_SHORTJMP, OPT_ADDR) |
| 15836 | DEF_ASM_OP1(loope, 0xe1, 0, OPC_SHORTJMP, OPT_ADDR) |
| 15837 | DEF_ASM_OP1(loopz, 0xe1, 0, OPC_SHORTJMP, OPT_ADDR) |
| 15838 | DEF_ASM_OP1(loop, 0xe2, 0, OPC_SHORTJMP, OPT_ADDR) |
| 15839 | DEF_ASM_OP1(jecxz, 0xe3, 0, OPC_SHORTJMP, OPT_ADDR) |
| 15840 | |
| 15841 | /* float */ |
| 15842 | /* specific fcomp handling */ |
| 15843 | ALT(DEF_ASM_OP0L(fcomp, 0xd8d9, 0, 0)) |
| 15844 | |
| 15845 | ALT(DEF_ASM_OP1(fadd, 0xd8c0, 0, OPC_FARITH | OPC_REG, OPT_ST)) |
| 15846 | ALT(DEF_ASM_OP2(fadd, 0xd8c0, 0, OPC_FARITH | OPC_REG, OPT_ST, OPT_ST0)) |
| 15847 | ALT(DEF_ASM_OP0L(fadd, 0xdec1, 0, OPC_FARITH)) |
| 15848 | ALT(DEF_ASM_OP1(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST)) |
| 15849 | ALT(DEF_ASM_OP2(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST, OPT_ST0)) |
| 15850 | ALT(DEF_ASM_OP2(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST0, OPT_ST)) |
| 15851 | ALT(DEF_ASM_OP0L(faddp, 0xdec1, 0, OPC_FARITH)) |
| 15852 | ALT(DEF_ASM_OP1(fadds, 0xd8, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) |
| 15853 | ALT(DEF_ASM_OP1(fiaddl, 0xda, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) |
| 15854 | ALT(DEF_ASM_OP1(faddl, 0xdc, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) |
| 15855 | ALT(DEF_ASM_OP1(fiadds, 0xde, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) |
| 15856 | |
| 15857 | DEF_ASM_OP0(fucompp, 0xdae9) |
| 15858 | DEF_ASM_OP0(ftst, 0xd9e4) |
| 15859 | DEF_ASM_OP0(fxam, 0xd9e5) |
| 15860 | DEF_ASM_OP0(fld1, 0xd9e8) |
| 15861 | DEF_ASM_OP0(fldl2t, 0xd9e9) |
| 15862 | DEF_ASM_OP0(fldl2e, 0xd9ea) |
| 15863 | DEF_ASM_OP0(fldpi, 0xd9eb) |
| 15864 | DEF_ASM_OP0(fldlg2, 0xd9ec) |
| 15865 | DEF_ASM_OP0(fldln2, 0xd9ed) |
| 15866 | DEF_ASM_OP0(fldz, 0xd9ee) |
| 15867 | |
| 15868 | DEF_ASM_OP0(f2xm1, 0xd9f0) |
| 15869 | DEF_ASM_OP0(fyl2x, 0xd9f1) |
| 15870 | DEF_ASM_OP0(fptan, 0xd9f2) |
| 15871 | DEF_ASM_OP0(fpatan, 0xd9f3) |
| 15872 | DEF_ASM_OP0(fxtract, 0xd9f4) |
| 15873 | DEF_ASM_OP0(fprem1, 0xd9f5) |
| 15874 | DEF_ASM_OP0(fdecstp, 0xd9f6) |
| 15875 | DEF_ASM_OP0(fincstp, 0xd9f7) |
| 15876 | DEF_ASM_OP0(fprem, 0xd9f8) |
| 15877 | DEF_ASM_OP0(fyl2xp1, 0xd9f9) |
| 15878 | DEF_ASM_OP0(fsqrt, 0xd9fa) |
| 15879 | DEF_ASM_OP0(fsincos, 0xd9fb) |
| 15880 | DEF_ASM_OP0(frndint, 0xd9fc) |
| 15881 | DEF_ASM_OP0(fscale, 0xd9fd) |
| 15882 | DEF_ASM_OP0(fsin, 0xd9fe) |
| 15883 | DEF_ASM_OP0(fcos, 0xd9ff) |
| 15884 | DEF_ASM_OP0(fchs, 0xd9e0) |
| 15885 | DEF_ASM_OP0(fabs, 0xd9e1) |
| 15886 | DEF_ASM_OP0(fninit, 0xdbe3) |
| 15887 | DEF_ASM_OP0(fnclex, 0xdbe2) |
| 15888 | DEF_ASM_OP0(fnop, 0xd9d0) |
| 15889 | DEF_ASM_OP0(fwait, 0x9b) |
| 15890 | |
| 15891 | /* fp load */ |
| 15892 | DEF_ASM_OP1(fld, 0xd9c0, 0, OPC_REG, OPT_ST) |
| 15893 | DEF_ASM_OP1(fldl, 0xd9c0, 0, OPC_REG, OPT_ST) |
| 15894 | DEF_ASM_OP1(flds, 0xd9, 0, OPC_MODRM, OPT_EA) |
| 15895 | ALT(DEF_ASM_OP1(fldl, 0xdd, 0, OPC_MODRM, OPT_EA)) |
| 15896 | DEF_ASM_OP1(fildl, 0xdb, 0, OPC_MODRM, OPT_EA) |
| 15897 | DEF_ASM_OP1(fildq, 0xdf, 5, OPC_MODRM, OPT_EA) |
| 15898 | DEF_ASM_OP1(fildll, 0xdf, 5, OPC_MODRM,OPT_EA) |
| 15899 | DEF_ASM_OP1(fldt, 0xdb, 5, OPC_MODRM, OPT_EA) |
| 15900 | DEF_ASM_OP1(fbld, 0xdf, 4, OPC_MODRM, OPT_EA) |
| 15901 | |
| 15902 | /* fp store */ |
| 15903 | DEF_ASM_OP1(fst, 0xddd0, 0, OPC_REG, OPT_ST) |
| 15904 | DEF_ASM_OP1(fstl, 0xddd0, 0, OPC_REG, OPT_ST) |
| 15905 | DEF_ASM_OP1(fsts, 0xd9, 2, OPC_MODRM, OPT_EA) |
| 15906 | DEF_ASM_OP1(fstps, 0xd9, 3, OPC_MODRM, OPT_EA) |
| 15907 | ALT(DEF_ASM_OP1(fstl, 0xdd, 2, OPC_MODRM, OPT_EA)) |
| 15908 | DEF_ASM_OP1(fstpl, 0xdd, 3, OPC_MODRM, OPT_EA) |
| 15909 | DEF_ASM_OP1(fist, 0xdf, 2, OPC_MODRM, OPT_EA) |
| 15910 | DEF_ASM_OP1(fistp, 0xdf, 3, OPC_MODRM, OPT_EA) |
| 15911 | DEF_ASM_OP1(fistl, 0xdb, 2, OPC_MODRM, OPT_EA) |
| 15912 | DEF_ASM_OP1(fistpl, 0xdb, 3, OPC_MODRM, OPT_EA) |
| 15913 | |
| 15914 | DEF_ASM_OP1(fstp, 0xddd8, 0, OPC_REG, OPT_ST) |
| 15915 | DEF_ASM_OP1(fistpq, 0xdf, 7, OPC_MODRM, OPT_EA) |
| 15916 | DEF_ASM_OP1(fistpll, 0xdf, 7, OPC_MODRM, OPT_EA) |
| 15917 | DEF_ASM_OP1(fstpt, 0xdb, 7, OPC_MODRM, OPT_EA) |
| 15918 | DEF_ASM_OP1(fbstp, 0xdf, 6, OPC_MODRM, OPT_EA) |
| 15919 | |
| 15920 | /* exchange */ |
| 15921 | DEF_ASM_OP0(fxch, 0xd9c9) |
| 15922 | ALT(DEF_ASM_OP1(fxch, 0xd9c8, 0, OPC_REG, OPT_ST)) |
| 15923 | |
| 15924 | /* misc FPU */ |
| 15925 | DEF_ASM_OP1(fucom, 0xdde0, 0, OPC_REG, OPT_ST ) |
| 15926 | DEF_ASM_OP1(fucomp, 0xdde8, 0, OPC_REG, OPT_ST ) |
| 15927 | |
| 15928 | DEF_ASM_OP0L(finit, 0xdbe3, 0, OPC_FWAIT) |
| 15929 | DEF_ASM_OP1(fldcw, 0xd9, 5, OPC_MODRM, OPT_EA ) |
| 15930 | DEF_ASM_OP1(fnstcw, 0xd9, 7, OPC_MODRM, OPT_EA ) |
| 15931 | DEF_ASM_OP1(fstcw, 0xd9, 7, OPC_MODRM | OPC_FWAIT, OPT_EA ) |
| 15932 | DEF_ASM_OP0(fnstsw, 0xdfe0) |
| 15933 | ALT(DEF_ASM_OP1(fnstsw, 0xdfe0, 0, 0, OPT_EAX )) |
| 15934 | ALT(DEF_ASM_OP1(fnstsw, 0xdd, 7, OPC_MODRM, OPT_EA )) |
| 15935 | DEF_ASM_OP1(fstsw, 0xdfe0, 0, OPC_FWAIT, OPT_EAX ) |
| 15936 | ALT(DEF_ASM_OP0L(fstsw, 0xdfe0, 0, OPC_FWAIT)) |
| 15937 | ALT(DEF_ASM_OP1(fstsw, 0xdd, 7, OPC_MODRM | OPC_FWAIT, OPT_EA )) |
| 15938 | DEF_ASM_OP0L(fclex, 0xdbe2, 0, OPC_FWAIT) |
| 15939 | DEF_ASM_OP1(fnstenv, 0xd9, 6, OPC_MODRM, OPT_EA ) |
| 15940 | DEF_ASM_OP1(fstenv, 0xd9, 6, OPC_MODRM | OPC_FWAIT, OPT_EA ) |
| 15941 | DEF_ASM_OP1(fldenv, 0xd9, 4, OPC_MODRM, OPT_EA ) |
| 15942 | DEF_ASM_OP1(fnsave, 0xdd, 6, OPC_MODRM, OPT_EA ) |
| 15943 | DEF_ASM_OP1(fsave, 0xdd, 6, OPC_MODRM | OPC_FWAIT, OPT_EA ) |
| 15944 | DEF_ASM_OP1(frstor, 0xdd, 4, OPC_MODRM, OPT_EA ) |
| 15945 | DEF_ASM_OP1(ffree, 0xddc0, 4, OPC_REG, OPT_ST ) |
| 15946 | DEF_ASM_OP1(ffreep, 0xdfc0, 4, OPC_REG, OPT_ST ) |
| 15947 | DEF_ASM_OP1(fxsave, 0x0fae, 0, OPC_MODRM, OPT_EA ) |
| 15948 | DEF_ASM_OP1(fxrstor, 0x0fae, 1, OPC_MODRM, OPT_EA ) |
| 15949 | |
| 15950 | /* segments */ |
| 15951 | DEF_ASM_OP2(arpl, 0x63, 0, OPC_MODRM, OPT_REG16, OPT_REG16 | OPT_EA) |
| 15952 | DEF_ASM_OP2(lar, 0x0f02, 0, OPC_MODRM, OPT_REG32 | OPT_EA, OPT_REG32) |
| 15953 | DEF_ASM_OP1(lgdt, 0x0f01, 2, OPC_MODRM, OPT_EA) |
| 15954 | DEF_ASM_OP1(lidt, 0x0f01, 3, OPC_MODRM, OPT_EA) |
| 15955 | DEF_ASM_OP1(lldt, 0x0f00, 2, OPC_MODRM, OPT_EA | OPT_REG) |
| 15956 | DEF_ASM_OP1(lmsw, 0x0f01, 6, OPC_MODRM, OPT_EA | OPT_REG) |
| 15957 | ALT(DEF_ASM_OP2(lslw, 0x0f03, 0, OPC_MODRM | OPC_WL, OPT_EA | OPT_REG, OPT_REG)) |
| 15958 | DEF_ASM_OP1(ltr, 0x0f00, 3, OPC_MODRM, OPT_EA | OPT_REG) |
| 15959 | DEF_ASM_OP1(sgdt, 0x0f01, 0, OPC_MODRM, OPT_EA) |
| 15960 | DEF_ASM_OP1(sidt, 0x0f01, 1, OPC_MODRM, OPT_EA) |
| 15961 | DEF_ASM_OP1(sldt, 0x0f00, 0, OPC_MODRM, OPT_REG | OPT_EA) |
| 15962 | DEF_ASM_OP1(smsw, 0x0f01, 4, OPC_MODRM, OPT_REG | OPT_EA) |
| 15963 | DEF_ASM_OP1(str, 0x0f00, 1, OPC_MODRM, OPT_REG16| OPT_EA) |
| 15964 | DEF_ASM_OP1(verr, 0x0f00, 4, OPC_MODRM, OPT_REG | OPT_EA) |
| 15965 | DEF_ASM_OP1(verw, 0x0f00, 5, OPC_MODRM, OPT_REG | OPT_EA) |
| 15966 | |
| 15967 | /* 486 */ |
| 15968 | DEF_ASM_OP1(bswap, 0x0fc8, 0, OPC_REG, OPT_REG32 ) |
| 15969 | ALT(DEF_ASM_OP2(xaddb, 0x0fc0, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_REG | OPT_EA )) |
| 15970 | ALT(DEF_ASM_OP2(cmpxchgb, 0x0fb0, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_REG | OPT_EA )) |
| 15971 | DEF_ASM_OP1(invlpg, 0x0f01, 7, OPC_MODRM, OPT_EA ) |
| 15972 | |
| 15973 | DEF_ASM_OP2(boundl, 0x62, 0, OPC_MODRM, OPT_REG32, OPT_EA) |
| 15974 | DEF_ASM_OP2(boundw, 0x62, 0, OPC_MODRM | OPC_D16, OPT_REG16, OPT_EA) |
| 15975 | |
| 15976 | /* pentium */ |
| 15977 | DEF_ASM_OP1(cmpxchg8b, 0x0fc7, 1, OPC_MODRM, OPT_EA ) |
| 15978 | |
| 15979 | /* pentium pro */ |
| 15980 | ALT(DEF_ASM_OP2(cmovo, 0x0f40, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32)) |
| 15981 | |
| 15982 | DEF_ASM_OP2(fcmovb, 0xdac0, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 15983 | DEF_ASM_OP2(fcmove, 0xdac8, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 15984 | DEF_ASM_OP2(fcmovbe, 0xdad0, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 15985 | DEF_ASM_OP2(fcmovu, 0xdad8, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 15986 | DEF_ASM_OP2(fcmovnb, 0xdbc0, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 15987 | DEF_ASM_OP2(fcmovne, 0xdbc8, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 15988 | DEF_ASM_OP2(fcmovnbe, 0xdbd0, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 15989 | DEF_ASM_OP2(fcmovnu, 0xdbd8, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 15990 | |
| 15991 | DEF_ASM_OP2(fucomi, 0xdbe8, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 15992 | DEF_ASM_OP2(fcomi, 0xdbf0, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 15993 | DEF_ASM_OP2(fucomip, 0xdfe8, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 15994 | DEF_ASM_OP2(fcomip, 0xdff0, 0, OPC_REG, OPT_ST, OPT_ST0 ) |
| 15995 | |
| 15996 | /* mmx */ |
| 15997 | DEF_ASM_OP0(emms, 0x0f77) /* must be last OP0 */ |
| 15998 | DEF_ASM_OP2(movd, 0x0f6e, 0, OPC_MODRM, OPT_EA | OPT_REG32, OPT_MMX ) |
| 15999 | ALT(DEF_ASM_OP2(movd, 0x0f7e, 0, OPC_MODRM, OPT_MMX, OPT_EA | OPT_REG32 )) |
| 16000 | DEF_ASM_OP2(movq, 0x0f6f, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16001 | ALT(DEF_ASM_OP2(movq, 0x0f7f, 0, OPC_MODRM, OPT_MMX, OPT_EA | OPT_MMX )) |
| 16002 | DEF_ASM_OP2(packssdw, 0x0f6b, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16003 | DEF_ASM_OP2(packsswb, 0x0f63, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16004 | DEF_ASM_OP2(packuswb, 0x0f67, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16005 | DEF_ASM_OP2(paddb, 0x0ffc, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16006 | DEF_ASM_OP2(paddw, 0x0ffd, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16007 | DEF_ASM_OP2(paddd, 0x0ffe, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16008 | DEF_ASM_OP2(paddsb, 0x0fec, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16009 | DEF_ASM_OP2(paddsw, 0x0fed, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16010 | DEF_ASM_OP2(paddusb, 0x0fdc, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16011 | DEF_ASM_OP2(paddusw, 0x0fdd, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16012 | DEF_ASM_OP2(pand, 0x0fdb, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16013 | DEF_ASM_OP2(pandn, 0x0fdf, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16014 | DEF_ASM_OP2(pcmpeqb, 0x0f74, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16015 | DEF_ASM_OP2(pcmpeqw, 0x0f75, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16016 | DEF_ASM_OP2(pcmpeqd, 0x0f76, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16017 | DEF_ASM_OP2(pcmpgtb, 0x0f64, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16018 | DEF_ASM_OP2(pcmpgtw, 0x0f65, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16019 | DEF_ASM_OP2(pcmpgtd, 0x0f66, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16020 | DEF_ASM_OP2(pmaddwd, 0x0ff5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16021 | DEF_ASM_OP2(pmulhw, 0x0fe5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16022 | DEF_ASM_OP2(pmullw, 0x0fd5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16023 | DEF_ASM_OP2(por, 0x0feb, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16024 | DEF_ASM_OP2(psllw, 0x0ff1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16025 | ALT(DEF_ASM_OP2(psllw, 0x0f71, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 16026 | DEF_ASM_OP2(pslld, 0x0ff2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16027 | ALT(DEF_ASM_OP2(pslld, 0x0f72, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 16028 | DEF_ASM_OP2(psllq, 0x0ff3, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16029 | ALT(DEF_ASM_OP2(psllq, 0x0f73, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 16030 | DEF_ASM_OP2(psraw, 0x0fe1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16031 | ALT(DEF_ASM_OP2(psraw, 0x0f71, 4, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 16032 | DEF_ASM_OP2(psrad, 0x0fe2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16033 | ALT(DEF_ASM_OP2(psrad, 0x0f72, 4, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 16034 | DEF_ASM_OP2(psrlw, 0x0fd1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16035 | ALT(DEF_ASM_OP2(psrlw, 0x0f71, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 16036 | DEF_ASM_OP2(psrld, 0x0fd2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16037 | ALT(DEF_ASM_OP2(psrld, 0x0f72, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 16038 | DEF_ASM_OP2(psrlq, 0x0fd3, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16039 | ALT(DEF_ASM_OP2(psrlq, 0x0f73, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) |
| 16040 | DEF_ASM_OP2(psubb, 0x0ff8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16041 | DEF_ASM_OP2(psubw, 0x0ff9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16042 | DEF_ASM_OP2(psubd, 0x0ffa, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16043 | DEF_ASM_OP2(psubsb, 0x0fe8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16044 | DEF_ASM_OP2(psubsw, 0x0fe9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16045 | DEF_ASM_OP2(psubusb, 0x0fd8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16046 | DEF_ASM_OP2(psubusw, 0x0fd9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16047 | DEF_ASM_OP2(punpckhbw, 0x0f68, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16048 | DEF_ASM_OP2(punpckhwd, 0x0f69, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16049 | DEF_ASM_OP2(punpckhdq, 0x0f6a, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16050 | DEF_ASM_OP2(punpcklbw, 0x0f60, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16051 | DEF_ASM_OP2(punpcklwd, 0x0f61, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16052 | DEF_ASM_OP2(punpckldq, 0x0f62, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16053 | DEF_ASM_OP2(pxor, 0x0fef, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) |
| 16054 | |
| 16055 | #undef ALT |
| 16056 | #undef DEF_ASM_OP0 |
| 16057 | #undef DEF_ASM_OP0L |
| 16058 | #undef DEF_ASM_OP1 |
| 16059 | #undef DEF_ASM_OP2 |
| 16060 | #undef DEF_ASM_OP3 |
| 16061 | //--------------------------------------------------------------------------- |
| 16062 | }; |
| 16063 | |
| 16064 | static inline int get_reg_shift(TCCState *s1) |
| 16065 | { |
| 16066 | int shift, v; |
| 16067 | |
| 16068 | v = asm_int_expr(s1); |
| 16069 | switch(v) { |
| 16070 | case 1: |
| 16071 | shift = 0; |
| 16072 | break; |
| 16073 | case 2: |
| 16074 | shift = 1; |
| 16075 | break; |
| 16076 | case 4: |
| 16077 | shift = 2; |
| 16078 | break; |
| 16079 | case 8: |
| 16080 | shift = 3; |
| 16081 | break; |
| 16082 | default: |
| 16083 | expect("1, 2, 4 or 8 constant"); |
| 16084 | shift = 0; |
| 16085 | break; |
| 16086 | } |
| 16087 | return shift; |
| 16088 | } |
| 16089 | |
| 16090 | static int asm_parse_reg(void) |
| 16091 | { |
| 16092 | int reg; |
| 16093 | if (tok != '%') |
| 16094 | goto error_32; |
| 16095 | next(); |
| 16096 | if (tok >= TOK_ASM_eax && tok <= TOK_ASM_edi) { |
| 16097 | reg = tok - TOK_ASM_eax; |
| 16098 | next(); |
| 16099 | return reg; |
| 16100 | } else { |
| 16101 | error_32: |
| 16102 | expect("32 bit register"); |
| 16103 | return 0; |
| 16104 | } |
| 16105 | } |
| 16106 | |
| 16107 | static void parse_operand(TCCState *s1, Operand *op) |
| 16108 | { |
| 16109 | ExprValue e; |
| 16110 | int reg, indir; |
| 16111 | const char *p; |
| 16112 | |
| 16113 | indir = 0; |
| 16114 | if (tok == '*') { |
| 16115 | next(); |
| 16116 | indir = OP_INDIR; |
| 16117 | } |
| 16118 | |
| 16119 | if (tok == '%') { |
| 16120 | next(); |
| 16121 | if (tok >= TOK_ASM_al && tok <= TOK_ASM_db7) { |
| 16122 | reg = tok - TOK_ASM_al; |
| 16123 | op->type = 1 << (reg >> 3); /* WARNING: do not change constant order */ |
| 16124 | op->reg = reg & 7; |
| 16125 | if ((op->type & OP_REG) && op->reg == TREG_EAX) |
| 16126 | op->type |= OP_EAX; |
| 16127 | else if (op->type == OP_REG8 && op->reg == TREG_ECX) |
| 16128 | op->type |= OP_CL; |
| 16129 | else if (op->type == OP_REG16 && op->reg == TREG_EDX) |
| 16130 | op->type |= OP_DX; |
| 16131 | } else if (tok >= TOK_ASM_dr0 && tok <= TOK_ASM_dr7) { |
| 16132 | op->type = OP_DB; |
| 16133 | op->reg = tok - TOK_ASM_dr0; |
| 16134 | } else if (tok >= TOK_ASM_es && tok <= TOK_ASM_gs) { |
| 16135 | op->type = OP_SEG; |
| 16136 | op->reg = tok - TOK_ASM_es; |
| 16137 | } else if (tok == TOK_ASM_st) { |
| 16138 | op->type = OP_ST; |
| 16139 | op->reg = 0; |
| 16140 | next(); |
| 16141 | if (tok == '(') { |
| 16142 | next(); |
| 16143 | if (tok != TOK_PPNUM) |
| 16144 | goto reg_error; |
| 16145 | p = tokc.cstr->data; |
| 16146 | reg = p[0] - '0'; |
| 16147 | if ((unsigned)reg >= 8 || p[1] != '\0') |
| 16148 | goto reg_error; |
| 16149 | op->reg = reg; |
| 16150 | next(); |
| 16151 | skip(')'); |
| 16152 | } |
| 16153 | if (op->reg == 0) |
| 16154 | op->type |= OP_ST0; |
| 16155 | goto no_skip; |
| 16156 | } else { |
| 16157 | reg_error: |
| 16158 | error("unknown register"); |
| 16159 | } |
| 16160 | next(); |
| 16161 | no_skip: ; |
| 16162 | } else if (tok == '$') { |
| 16163 | /* constant value */ |
| 16164 | next(); |
| 16165 | asm_expr(s1, &e); |
| 16166 | op->type = OP_IM32; |
| 16167 | op->e.v = e.v; |
| 16168 | op->e.sym = e.sym; |
| 16169 | if (!op->e.sym) { |
| 16170 | if (op->e.v == (uint8_t)op->e.v) |
| 16171 | op->type |= OP_IM8; |
| 16172 | if (op->e.v == (int8_t)op->e.v) |
| 16173 | op->type |= OP_IM8S; |
| 16174 | if (op->e.v == (uint16_t)op->e.v) |
| 16175 | op->type |= OP_IM16; |
| 16176 | } |
| 16177 | } else { |
| 16178 | /* address(reg,reg2,shift) with all variants */ |
| 16179 | op->type = OP_EA; |
| 16180 | op->reg = -1; |
| 16181 | op->reg2 = -1; |
| 16182 | op->shift = 0; |
| 16183 | if (tok != '(') { |
| 16184 | asm_expr(s1, &e); |
| 16185 | op->e.v = e.v; |
| 16186 | op->e.sym = e.sym; |
| 16187 | } else { |
| 16188 | op->e.v = 0; |
| 16189 | op->e.sym = NULL; |
| 16190 | } |
| 16191 | if (tok == '(') { |
| 16192 | next(); |
| 16193 | if (tok != ',') { |
| 16194 | op->reg = asm_parse_reg(); |
| 16195 | } |
| 16196 | if (tok == ',') { |
| 16197 | next(); |
| 16198 | if (tok != ',') { |
| 16199 | op->reg2 = asm_parse_reg(); |
| 16200 | } |
| 16201 | skip(','); |
| 16202 | op->shift = get_reg_shift(s1); |
| 16203 | } |
| 16204 | skip(')'); |
| 16205 | } |
| 16206 | if (op->reg == -1 && op->reg2 == -1) |
| 16207 | op->type |= OP_ADDR; |
| 16208 | } |
| 16209 | op->type |= indir; |
| 16210 | } |
| 16211 | |
| 16212 | /* XXX: unify with C code output ? */ |
| 16213 | static void gen_expr32(ExprValue *pe) |
| 16214 | { |
| 16215 | if (pe->sym) |
| 16216 | greloc(cur_text_section, pe->sym, ind, R_386_32); |
| 16217 | gen_le32(pe->v); |
| 16218 | } |
| 16219 | |
| 16220 | /* XXX: unify with C code output ? */ |
| 16221 | static void gen_disp32(ExprValue *pe) |
| 16222 | { |
| 16223 | Sym *sym; |
| 16224 | sym = pe->sym; |
| 16225 | if (sym) { |
| 16226 | if (sym->r == cur_text_section->sh_num) { |
| 16227 | /* same section: we can output an absolute value. Note |
| 16228 | that the TCC compiler behaves differently here because |
| 16229 | it always outputs a relocation to ease (future) code |
| 16230 | elimination in the linker */ |
| 16231 | gen_le32(pe->v + (long)sym->next - ind - 4); |
| 16232 | } else { |
| 16233 | greloc(cur_text_section, sym, ind, R_386_PC32); |
| 16234 | gen_le32(pe->v - 4); |
| 16235 | } |
| 16236 | } else { |
| 16237 | /* put an empty PC32 relocation */ |
| 16238 | put_elf_reloc(symtab_section, cur_text_section, |
| 16239 | ind, R_386_PC32, 0); |
| 16240 | gen_le32(pe->v - 4); |
| 16241 | } |
| 16242 | } |
| 16243 | |
| 16244 | |
| 16245 | static void gen_le16(int v) |
| 16246 | { |
| 16247 | g(v); |
| 16248 | g(v >> 8); |
| 16249 | } |
| 16250 | |
| 16251 | /* generate the modrm operand */ |
| 16252 | static inline void asm_modrm(int reg, Operand *op) |
| 16253 | { |
| 16254 | int mod, reg1, reg2, sib_reg1; |
| 16255 | |
| 16256 | if (op->type & (OP_REG | OP_MMX | OP_SSE)) { |
| 16257 | g(0xc0 + (reg << 3) + op->reg); |
| 16258 | } else if (op->reg == -1 && op->reg2 == -1) { |
| 16259 | /* displacement only */ |
| 16260 | g(0x05 + (reg << 3)); |
| 16261 | gen_expr32(&op->e); |
| 16262 | } else { |
| 16263 | sib_reg1 = op->reg; |
| 16264 | /* fist compute displacement encoding */ |
| 16265 | if (sib_reg1 == -1) { |
| 16266 | sib_reg1 = 5; |
| 16267 | mod = 0x00; |
| 16268 | } else if (op->e.v == 0 && !op->e.sym && op->reg != 5) { |
| 16269 | mod = 0x00; |
| 16270 | } else if (op->e.v == (int8_t)op->e.v && !op->e.sym) { |
| 16271 | mod = 0x40; |
| 16272 | } else { |
| 16273 | mod = 0x80; |
| 16274 | } |
| 16275 | /* compute if sib byte needed */ |
| 16276 | reg1 = op->reg; |
| 16277 | if (op->reg2 != -1) |
| 16278 | reg1 = 4; |
| 16279 | g(mod + (reg << 3) + reg1); |
| 16280 | if (reg1 == 4) { |
| 16281 | /* add sib byte */ |
| 16282 | reg2 = op->reg2; |
| 16283 | if (reg2 == -1) |
| 16284 | reg2 = 4; /* indicate no index */ |
| 16285 | g((op->shift << 6) + (reg2 << 3) + sib_reg1); |
| 16286 | } |
| 16287 | |
| 16288 | /* add offset */ |
| 16289 | if (mod == 0x40) { |
| 16290 | g(op->e.v); |
| 16291 | } else if (mod == 0x80 || op->reg == -1) { |
| 16292 | gen_expr32(&op->e); |
| 16293 | } |
| 16294 | } |
| 16295 | } |
| 16296 | |
| 16297 | static void asm_opcode(TCCState *s1, int opcode) |
| 16298 | { |
| 16299 | const ASMInstr *pa; |
| 16300 | int i, modrm_index, reg, v, op1, is_short_jmp; |
| 16301 | int nb_ops, s, ss; |
| 16302 | Operand ops[MAX_OPERANDS], *pop; |
| 16303 | int op_type[3]; /* decoded op type */ |
| 16304 | |
| 16305 | /* get operands */ |
| 16306 | pop = ops; |
| 16307 | nb_ops = 0; |
| 16308 | for(;;) { |
| 16309 | if (tok == ';' || tok == TOK_LINEFEED) |
| 16310 | break; |
| 16311 | if (nb_ops >= MAX_OPERANDS) { |
| 16312 | error("incorrect number of operands"); |
| 16313 | } |
| 16314 | parse_operand(s1, pop); |
| 16315 | pop++; |
| 16316 | nb_ops++; |
| 16317 | if (tok != ',') |
| 16318 | break; |
| 16319 | next(); |
| 16320 | } |
| 16321 | |
| 16322 | is_short_jmp = 0; |
| 16323 | s = 0; /* avoid warning */ |
| 16324 | |
| 16325 | /* optimize matching by using a lookup table (no hashing is needed |
| 16326 | !) */ |
| 16327 | for(pa = asm_instrs; pa->sym != 0; pa++) { |
| 16328 | s = 0; |
| 16329 | if (pa->instr_type & OPC_FARITH) { |
| 16330 | v = opcode - pa->sym; |
| 16331 | if (!((unsigned)v < 8 * 6 && (v % 6) == 0)) |
| 16332 | continue; |
| 16333 | } else if (pa->instr_type & OPC_ARITH) { |
| 16334 | if (!(opcode >= pa->sym && opcode < pa->sym + 8 * 4)) |
| 16335 | continue; |
| 16336 | goto compute_size; |
| 16337 | } else if (pa->instr_type & OPC_SHIFT) { |
| 16338 | if (!(opcode >= pa->sym && opcode < pa->sym + 7 * 4)) |
| 16339 | continue; |
| 16340 | goto compute_size; |
| 16341 | } else if (pa->instr_type & OPC_TEST) { |
| 16342 | if (!(opcode >= pa->sym && opcode < pa->sym + NB_TEST_OPCODES)) |
| 16343 | continue; |
| 16344 | } else if (pa->instr_type & OPC_B) { |
| 16345 | if (!(opcode >= pa->sym && opcode <= pa->sym + 3)) |
| 16346 | continue; |
| 16347 | compute_size: |
| 16348 | s = (opcode - pa->sym) & 3; |
| 16349 | } else if (pa->instr_type & OPC_WL) { |
| 16350 | if (!(opcode >= pa->sym && opcode <= pa->sym + 2)) |
| 16351 | continue; |
| 16352 | s = opcode - pa->sym + 1; |
| 16353 | } else { |
| 16354 | if (pa->sym != opcode) |
| 16355 | continue; |
| 16356 | } |
| 16357 | if (pa->nb_ops != nb_ops) |
| 16358 | continue; |
| 16359 | /* now decode and check each operand */ |
| 16360 | for(i = 0; i < nb_ops; i++) { |
| 16361 | int op1, op2; |
| 16362 | op1 = pa->op_type[i]; |
| 16363 | op2 = op1 & 0x1f; |
| 16364 | switch(op2) { |
| 16365 | case OPT_IM: |
| 16366 | v = OP_IM8 | OP_IM16 | OP_IM32; |
| 16367 | break; |
| 16368 | case OPT_REG: |
| 16369 | v = OP_REG8 | OP_REG16 | OP_REG32; |
| 16370 | break; |
| 16371 | case OPT_REGW: |
| 16372 | v = OP_REG16 | OP_REG32; |
| 16373 | break; |
| 16374 | case OPT_IMW: |
| 16375 | v = OP_IM16 | OP_IM32; |
| 16376 | break; |
| 16377 | default: |
| 16378 | v = 1 << op2; |
| 16379 | break; |
| 16380 | } |
| 16381 | if (op1 & OPT_EA) |
| 16382 | v |= OP_EA; |
| 16383 | op_type[i] = v; |
| 16384 | if ((ops[i].type & v) == 0) |
| 16385 | goto next; |
| 16386 | } |
| 16387 | /* all is matching ! */ |
| 16388 | break; |
| 16389 | next: ; |
| 16390 | } |
| 16391 | if (pa->sym == 0) { |
| 16392 | if (opcode >= TOK_ASM_pusha && opcode <= TOK_ASM_emms) { |
| 16393 | int b; |
| 16394 | b = op0_codes[opcode - TOK_ASM_pusha]; |
| 16395 | if (b & 0xff00) |
| 16396 | g(b >> 8); |
| 16397 | g(b); |
| 16398 | return; |
| 16399 | } else { |
| 16400 | error("unknown opcode '%s'", |
| 16401 | get_tok_str(opcode, NULL)); |
| 16402 | } |
| 16403 | } |
| 16404 | /* if the size is unknown, then evaluate it (OPC_B or OPC_WL case) */ |
| 16405 | if (s == 3) { |
| 16406 | for(i = 0; s == 3 && i < nb_ops; i++) { |
| 16407 | if ((ops[i].type & OP_REG) && !(op_type[i] & (OP_CL | OP_DX))) |
| 16408 | s = reg_to_size[ops[i].type & OP_REG]; |
| 16409 | } |
| 16410 | if (s == 3) { |
| 16411 | if ((opcode == TOK_ASM_push || opcode == TOK_ASM_pop) && |
| 16412 | (ops[0].type & (OP_SEG | OP_IM8S | OP_IM32))) |
| 16413 | s = 2; |
| 16414 | else |
| 16415 | error("cannot infer opcode suffix"); |
| 16416 | } |
| 16417 | } |
| 16418 | |
| 16419 | /* generate data16 prefix if needed */ |
| 16420 | ss = s; |
| 16421 | if (s == 1 || (pa->instr_type & OPC_D16)) |
| 16422 | g(WORD_PREFIX_OPCODE); |
| 16423 | else if (s == 2) |
| 16424 | s = 1; |
| 16425 | /* now generates the operation */ |
| 16426 | if (pa->instr_type & OPC_FWAIT) |
| 16427 | g(0x9b); |
| 16428 | |
| 16429 | v = pa->opcode; |
| 16430 | if (v == 0x69 || v == 0x69) { |
| 16431 | /* kludge for imul $im, %reg */ |
| 16432 | nb_ops = 3; |
| 16433 | ops[2] = ops[1]; |
| 16434 | } else if (v == 0xcd && ops[0].e.v == 3 && !ops[0].e.sym) { |
| 16435 | v--; /* int $3 case */ |
| 16436 | nb_ops = 0; |
| 16437 | } else if ((v == 0x06 || v == 0x07)) { |
| 16438 | if (ops[0].reg >= 4) { |
| 16439 | /* push/pop %fs or %gs */ |
| 16440 | v = 0x0fa0 + (v - 0x06) + ((ops[0].reg - 4) << 3); |
| 16441 | } else { |
| 16442 | v += ops[0].reg << 3; |
| 16443 | } |
| 16444 | nb_ops = 0; |
| 16445 | } else if (v <= 0x05) { |
| 16446 | /* arith case */ |
| 16447 | v += ((opcode - TOK_ASM_addb) >> 2) << 3; |
| 16448 | } else if ((pa->instr_type & (OPC_FARITH | OPC_MODRM)) == OPC_FARITH) { |
| 16449 | /* fpu arith case */ |
| 16450 | v += ((opcode - pa->sym) / 6) << 3; |
| 16451 | } |
| 16452 | if (pa->instr_type & OPC_REG) { |
| 16453 | for(i = 0; i < nb_ops; i++) { |
| 16454 | if (op_type[i] & (OP_REG | OP_ST)) { |
| 16455 | v += ops[i].reg; |
| 16456 | break; |
| 16457 | } |
| 16458 | } |
| 16459 | /* mov $im, %reg case */ |
| 16460 | if (pa->opcode == 0xb0 && s >= 1) |
| 16461 | v += 7; |
| 16462 | } |
| 16463 | if (pa->instr_type & OPC_B) |
| 16464 | v += s; |
| 16465 | if (pa->instr_type & OPC_TEST) |
| 16466 | v += test_bits[opcode - pa->sym]; |
| 16467 | if (pa->instr_type & OPC_SHORTJMP) { |
| 16468 | Sym *sym; |
| 16469 | int jmp_disp; |
| 16470 | |
| 16471 | /* see if we can really generate the jump with a byte offset */ |
| 16472 | sym = ops[0].e.sym; |
| 16473 | if (!sym) |
| 16474 | goto no_short_jump; |
| 16475 | if (sym->r != cur_text_section->sh_num) |
| 16476 | goto no_short_jump; |
| 16477 | jmp_disp = ops[0].e.v + (long)sym->next - ind - 2; |
| 16478 | if (jmp_disp == (int8_t)jmp_disp) { |
| 16479 | /* OK to generate jump */ |
| 16480 | is_short_jmp = 1; |
| 16481 | ops[0].e.v = jmp_disp; |
| 16482 | } else { |
| 16483 | no_short_jump: |
| 16484 | if (pa->instr_type & OPC_JMP) { |
| 16485 | /* long jump will be allowed. need to modify the |
| 16486 | opcode slightly */ |
| 16487 | if (v == 0xeb) |
| 16488 | v = 0xe9; |
| 16489 | else |
| 16490 | v += 0x0f10; |
| 16491 | } else { |
| 16492 | error("invalid displacement"); |
| 16493 | } |
| 16494 | } |
| 16495 | } |
| 16496 | op1 = v >> 8; |
| 16497 | if (op1) |
| 16498 | g(op1); |
| 16499 | g(v); |
| 16500 | |
| 16501 | /* search which operand will used for modrm */ |
| 16502 | modrm_index = 0; |
| 16503 | if (pa->instr_type & OPC_SHIFT) { |
| 16504 | reg = (opcode - pa->sym) >> 2; |
| 16505 | if (reg == 6) |
| 16506 | reg = 7; |
| 16507 | } else if (pa->instr_type & OPC_ARITH) { |
| 16508 | reg = (opcode - pa->sym) >> 2; |
| 16509 | } else if (pa->instr_type & OPC_FARITH) { |
| 16510 | reg = (opcode - pa->sym) / 6; |
| 16511 | } else { |
| 16512 | reg = (pa->instr_type >> OPC_GROUP_SHIFT) & 7; |
| 16513 | } |
| 16514 | if (pa->instr_type & OPC_MODRM) { |
| 16515 | /* first look for an ea operand */ |
| 16516 | for(i = 0;i < nb_ops; i++) { |
| 16517 | if (op_type[i] & OP_EA) |
| 16518 | goto modrm_found; |
| 16519 | } |
| 16520 | /* then if not found, a register or indirection (shift instructions) */ |
| 16521 | for(i = 0;i < nb_ops; i++) { |
| 16522 | if (op_type[i] & (OP_REG | OP_MMX | OP_SSE | OP_INDIR)) |
| 16523 | goto modrm_found; |
| 16524 | } |
| 16525 | #ifdef ASM_DEBUG |
| 16526 | error("bad op table"); |
| 16527 | #endif |
| 16528 | modrm_found: |
| 16529 | modrm_index = i; |
| 16530 | /* if a register is used in another operand then it is |
| 16531 | used instead of group */ |
| 16532 | for(i = 0;i < nb_ops; i++) { |
| 16533 | v = op_type[i]; |
| 16534 | if (i != modrm_index && |
| 16535 | (v & (OP_REG | OP_MMX | OP_SSE | OP_CR | OP_TR | OP_DB | OP_SEG))) { |
| 16536 | reg = ops[i].reg; |
| 16537 | break; |
| 16538 | } |
| 16539 | } |
| 16540 | |
| 16541 | asm_modrm(reg, &ops[modrm_index]); |
| 16542 | } |
| 16543 | |
| 16544 | /* emit constants */ |
| 16545 | if (pa->opcode == 0x9a || pa->opcode == 0xea) { |
| 16546 | /* ljmp or lcall kludge */ |
| 16547 | gen_expr32(&ops[1].e); |
| 16548 | if (ops[0].e.sym) |
| 16549 | error("cannot relocate"); |
| 16550 | gen_le16(ops[0].e.v); |
| 16551 | } else { |
| 16552 | for(i = 0;i < nb_ops; i++) { |
| 16553 | v = op_type[i]; |
| 16554 | if (v & (OP_IM8 | OP_IM16 | OP_IM32 | OP_IM8S | OP_ADDR)) { |
| 16555 | /* if multiple sizes are given it means we must look |
| 16556 | at the op size */ |
| 16557 | if (v == (OP_IM8 | OP_IM16 | OP_IM32) || |
| 16558 | v == (OP_IM16 | OP_IM32)) { |
| 16559 | if (ss == 0) |
| 16560 | v = OP_IM8; |
| 16561 | else if (ss == 1) |
| 16562 | v = OP_IM16; |
| 16563 | else |
| 16564 | v = OP_IM32; |
| 16565 | } |
| 16566 | if (v & (OP_IM8 | OP_IM8S)) { |
| 16567 | if (ops[i].e.sym) |
| 16568 | goto error_relocate; |
| 16569 | g(ops[i].e.v); |
| 16570 | } else if (v & OP_IM16) { |
| 16571 | if (ops[i].e.sym) { |
| 16572 | error_relocate: |
| 16573 | error("cannot relocate"); |
| 16574 | } |
| 16575 | gen_le16(ops[i].e.v); |
| 16576 | } else { |
| 16577 | if (pa->instr_type & (OPC_JMP | OPC_SHORTJMP)) { |
| 16578 | if (is_short_jmp) |
| 16579 | g(ops[i].e.v); |
| 16580 | else |
| 16581 | gen_disp32(&ops[i].e); |
| 16582 | } else { |
| 16583 | gen_expr32(&ops[i].e); |
| 16584 | } |
| 16585 | } |
| 16586 | } |
| 16587 | } |
| 16588 | } |
| 16589 | } |
| 16590 | |
| 16591 | #define NB_SAVED_REGS 3 |
| 16592 | #define NB_ASM_REGS 8 |
| 16593 | |
| 16594 | /* return the constraint priority (we allocate first the lowest |
| 16595 | numbered constraints) */ |
| 16596 | static inline int constraint_priority(const char *str) |
| 16597 | { |
| 16598 | int priority, c, pr; |
| 16599 | |
| 16600 | /* we take the lowest priority */ |
| 16601 | priority = 0; |
| 16602 | for(;;) { |
| 16603 | c = *str; |
| 16604 | if (c == '\0') |
| 16605 | break; |
| 16606 | str++; |
| 16607 | switch(c) { |
| 16608 | case 'A': |
| 16609 | pr = 0; |
| 16610 | break; |
| 16611 | case 'a': |
| 16612 | case 'b': |
| 16613 | case 'c': |
| 16614 | case 'd': |
| 16615 | case 'S': |
| 16616 | case 'D': |
| 16617 | pr = 1; |
| 16618 | break; |
| 16619 | case 'q': |
| 16620 | pr = 2; |
| 16621 | break; |
| 16622 | case 'r': |
| 16623 | pr = 3; |
| 16624 | break; |
| 16625 | case 'N': |
| 16626 | case 'M': |
| 16627 | case 'I': |
| 16628 | case 'i': |
| 16629 | case 'm': |
| 16630 | case 'g': |
| 16631 | pr = 4; |
| 16632 | break; |
| 16633 | default: |
| 16634 | error("unknown constraint '%c'", c); |
| 16635 | pr = 0; |
| 16636 | } |
| 16637 | if (pr > priority) |
| 16638 | priority = pr; |
| 16639 | } |
| 16640 | return priority; |
| 16641 | } |
| 16642 | |
| 16643 | static const char *skip_constraint_modifiers(const char *p) |
| 16644 | { |
| 16645 | while (*p == '=' || *p == '&' || *p == '+' || *p == '%') |
| 16646 | p++; |
| 16647 | return p; |
| 16648 | } |
| 16649 | |
| 16650 | #define REG_OUT_MASK 0x01 |
| 16651 | #define REG_IN_MASK 0x02 |
| 16652 | |
| 16653 | #define is_reg_allocated(reg) (regs_allocated[reg] & reg_mask) |
| 16654 | |
| 16655 | static void asm_compute_constraints(ASMOperand *operands, |
| 16656 | int nb_operands, int nb_outputs, |
| 16657 | const uint8_t *clobber_regs, |
| 16658 | int *pout_reg) |
| 16659 | { |
| 16660 | ASMOperand *op; |
| 16661 | int sorted_op[MAX_ASM_OPERANDS]; |
| 16662 | int i, j, k, p1, p2, tmp, reg, c, reg_mask; |
| 16663 | const char *str; |
| 16664 | uint8_t regs_allocated[NB_ASM_REGS]; |
| 16665 | |
| 16666 | /* init fields */ |
| 16667 | for(i=0;i<nb_operands;i++) { |
| 16668 | op = &operands[i]; |
| 16669 | op->input_index = -1; |
| 16670 | op->ref_index = -1; |
| 16671 | op->reg = -1; |
| 16672 | op->is_memory = 0; |
| 16673 | op->is_rw = 0; |
| 16674 | } |
| 16675 | /* compute constraint priority and evaluate references to output |
| 16676 | constraints if input constraints */ |
| 16677 | for(i=0;i<nb_operands;i++) { |
| 16678 | op = &operands[i]; |
| 16679 | str = op->constraint; |
| 16680 | str = skip_constraint_modifiers(str); |
| 16681 | if (isnum(*str) || *str == '[') { |
| 16682 | /* this is a reference to another constraint */ |
| 16683 | k = find_constraint(operands, nb_operands, str, NULL); |
| 16684 | if ((unsigned)k >= i || i < nb_outputs) |
| 16685 | error("invalid reference in constraint %d ('%s')", |
| 16686 | i, str); |
| 16687 | op->ref_index = k; |
| 16688 | if (operands[k].input_index >= 0) |
| 16689 | error("cannot reference twice the same operand"); |
| 16690 | operands[k].input_index = i; |
| 16691 | op->priority = 5; |
| 16692 | } else { |
| 16693 | op->priority = constraint_priority(str); |
| 16694 | } |
| 16695 | } |
| 16696 | |
| 16697 | /* sort operands according to their priority */ |
| 16698 | for(i=0;i<nb_operands;i++) |
| 16699 | sorted_op[i] = i; |
| 16700 | for(i=0;i<nb_operands - 1;i++) { |
| 16701 | for(j=i+1;j<nb_operands;j++) { |
| 16702 | p1 = operands[sorted_op[i]].priority; |
| 16703 | p2 = operands[sorted_op[j]].priority; |
| 16704 | if (p2 < p1) { |
| 16705 | tmp = sorted_op[i]; |
| 16706 | sorted_op[i] = sorted_op[j]; |
| 16707 | sorted_op[j] = tmp; |
| 16708 | } |
| 16709 | } |
| 16710 | } |
| 16711 | |
| 16712 | for(i = 0;i < NB_ASM_REGS; i++) { |
| 16713 | if (clobber_regs[i]) |
| 16714 | regs_allocated[i] = REG_IN_MASK | REG_OUT_MASK; |
| 16715 | else |
| 16716 | regs_allocated[i] = 0; |
| 16717 | } |
| 16718 | /* esp cannot be used */ |
| 16719 | regs_allocated[4] = REG_IN_MASK | REG_OUT_MASK; |
| 16720 | /* ebp cannot be used yet */ |
| 16721 | regs_allocated[5] = REG_IN_MASK | REG_OUT_MASK; |
| 16722 | |
| 16723 | /* allocate registers and generate corresponding asm moves */ |
| 16724 | for(i=0;i<nb_operands;i++) { |
| 16725 | j = sorted_op[i]; |
| 16726 | op = &operands[j]; |
| 16727 | str = op->constraint; |
| 16728 | /* no need to allocate references */ |
| 16729 | if (op->ref_index >= 0) |
| 16730 | continue; |
| 16731 | /* select if register is used for output, input or both */ |
| 16732 | if (op->input_index >= 0) { |
| 16733 | reg_mask = REG_IN_MASK | REG_OUT_MASK; |
| 16734 | } else if (j < nb_outputs) { |
| 16735 | reg_mask = REG_OUT_MASK; |
| 16736 | } else { |
| 16737 | reg_mask = REG_IN_MASK; |
| 16738 | } |
| 16739 | try_next: |
| 16740 | c = *str++; |
| 16741 | switch(c) { |
| 16742 | case '=': |
| 16743 | goto try_next; |
| 16744 | case '+': |
| 16745 | op->is_rw = 1; |
| 16746 | /* FALL THRU */ |
| 16747 | case '&': |
| 16748 | if (j >= nb_outputs) |
| 16749 | error("'%c' modifier can only be applied to outputs", c); |
| 16750 | reg_mask = REG_IN_MASK | REG_OUT_MASK; |
| 16751 | goto try_next; |
| 16752 | case 'A': |
| 16753 | /* allocate both eax and edx */ |
| 16754 | if (is_reg_allocated(TREG_EAX) || |
| 16755 | is_reg_allocated(TREG_EDX)) |
| 16756 | goto try_next; |
| 16757 | op->is_llong = 1; |
| 16758 | op->reg = TREG_EAX; |
| 16759 | regs_allocated[TREG_EAX] |= reg_mask; |
| 16760 | regs_allocated[TREG_EDX] |= reg_mask; |
| 16761 | break; |
| 16762 | case 'a': |
| 16763 | reg = TREG_EAX; |
| 16764 | goto alloc_reg; |
| 16765 | case 'b': |
| 16766 | reg = 3; |
| 16767 | goto alloc_reg; |
| 16768 | case 'c': |
| 16769 | reg = TREG_ECX; |
| 16770 | goto alloc_reg; |
| 16771 | case 'd': |
| 16772 | reg = TREG_EDX; |
| 16773 | goto alloc_reg; |
| 16774 | case 'S': |
| 16775 | reg = 6; |
| 16776 | goto alloc_reg; |
| 16777 | case 'D': |
| 16778 | reg = 7; |
| 16779 | alloc_reg: |
| 16780 | if (is_reg_allocated(reg)) |
| 16781 | goto try_next; |
| 16782 | goto reg_found; |
| 16783 | case 'q': |
| 16784 | /* eax, ebx, ecx or edx */ |
| 16785 | for(reg = 0; reg < 4; reg++) { |
| 16786 | if (!is_reg_allocated(reg)) |
| 16787 | goto reg_found; |
| 16788 | } |
| 16789 | goto try_next; |
| 16790 | case 'r': |
| 16791 | /* any general register */ |
| 16792 | for(reg = 0; reg < 8; reg++) { |
| 16793 | if (!is_reg_allocated(reg)) |
| 16794 | goto reg_found; |
| 16795 | } |
| 16796 | goto try_next; |
| 16797 | reg_found: |
| 16798 | /* now we can reload in the register */ |
| 16799 | op->is_llong = 0; |
| 16800 | op->reg = reg; |
| 16801 | regs_allocated[reg] |= reg_mask; |
| 16802 | break; |
| 16803 | case 'i': |
| 16804 | if (!((op->vt->r & (VT_VALMASK | VT_LVAL)) == VT_CONST)) |
| 16805 | goto try_next; |
| 16806 | break; |
| 16807 | case 'I': |
| 16808 | case 'N': |
| 16809 | case 'M': |
| 16810 | if (!((op->vt->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST)) |
| 16811 | goto try_next; |
| 16812 | break; |
| 16813 | case 'm': |
| 16814 | case 'g': |
| 16815 | /* nothing special to do because the operand is already in |
| 16816 | memory, except if the pointer itself is stored in a |
| 16817 | memory variable (VT_LLOCAL case) */ |
| 16818 | /* XXX: fix constant case */ |
| 16819 | /* if it is a reference to a memory zone, it must lie |
| 16820 | in a register, so we reserve the register in the |
| 16821 | input registers and a load will be generated |
| 16822 | later */ |
| 16823 | if (j < nb_outputs || c == 'm') { |
| 16824 | if ((op->vt->r & VT_VALMASK) == VT_LLOCAL) { |
| 16825 | /* any general register */ |
| 16826 | for(reg = 0; reg < 8; reg++) { |
| 16827 | if (!(regs_allocated[reg] & REG_IN_MASK)) |
| 16828 | goto reg_found1; |
| 16829 | } |
| 16830 | goto try_next; |
| 16831 | reg_found1: |
| 16832 | /* now we can reload in the register */ |
| 16833 | regs_allocated[reg] |= REG_IN_MASK; |
| 16834 | op->reg = reg; |
| 16835 | op->is_memory = 1; |
| 16836 | } |
| 16837 | } |
| 16838 | break; |
| 16839 | default: |
| 16840 | error("asm constraint %d ('%s') could not be satisfied", |
| 16841 | j, op->constraint); |
| 16842 | break; |
| 16843 | } |
| 16844 | /* if a reference is present for that operand, we assign it too */ |
| 16845 | if (op->input_index >= 0) { |
| 16846 | operands[op->input_index].reg = op->reg; |
| 16847 | operands[op->input_index].is_llong = op->is_llong; |
| 16848 | } |
| 16849 | } |
| 16850 | |
| 16851 | /* compute out_reg. It is used to store outputs registers to memory |
| 16852 | locations references by pointers (VT_LLOCAL case) */ |
| 16853 | *pout_reg = -1; |
| 16854 | for(i=0;i<nb_operands;i++) { |
| 16855 | op = &operands[i]; |
| 16856 | if (op->reg >= 0 && |
| 16857 | (op->vt->r & VT_VALMASK) == VT_LLOCAL && |
| 16858 | !op->is_memory) { |
| 16859 | for(reg = 0; reg < 8; reg++) { |
| 16860 | if (!(regs_allocated[reg] & REG_OUT_MASK)) |
| 16861 | goto reg_found2; |
| 16862 | } |
| 16863 | error("could not find free output register for reloading"); |
| 16864 | reg_found2: |
| 16865 | *pout_reg = reg; |
| 16866 | break; |
| 16867 | } |
| 16868 | } |
| 16869 | |
| 16870 | /* print sorted constraints */ |
| 16871 | #ifdef ASM_DEBUG |
| 16872 | for(i=0;i<nb_operands;i++) { |
| 16873 | j = sorted_op[i]; |
| 16874 | op = &operands[j]; |
| 16875 | printf("%%%d [%s]: \"%s\" r=0x%04x reg=%d\n", |
| 16876 | j, |
| 16877 | op->id ? get_tok_str(op->id, NULL) : "", |
| 16878 | op->constraint, |
| 16879 | op->vt->r, |
| 16880 | op->reg); |
| 16881 | } |
| 16882 | if (*pout_reg >= 0) |
| 16883 | printf("out_reg=%d\n", *pout_reg); |
| 16884 | #endif |
| 16885 | } |
| 16886 | |
| 16887 | static void subst_asm_operand(CString *add_str, |
| 16888 | SValue *sv, int modifier) |
| 16889 | { |
| 16890 | int r, reg, size, val; |
| 16891 | char buf[64]; |
| 16892 | |
| 16893 | r = sv->r; |
| 16894 | if ((r & VT_VALMASK) == VT_CONST) { |
| 16895 | if (!(r & VT_LVAL) && modifier != 'c' && modifier != 'n') |
| 16896 | cstr_ccat(add_str, '$'); |
| 16897 | if (r & VT_SYM) { |
| 16898 | cstr_cat(add_str, get_tok_str(sv->sym->v, NULL)); |
| 16899 | if (sv->c.i != 0) { |
| 16900 | cstr_ccat(add_str, '+'); |
| 16901 | } else { |
| 16902 | return; |
| 16903 | } |
| 16904 | } |
| 16905 | val = sv->c.i; |
| 16906 | if (modifier == 'n') |
| 16907 | val = -val; |
| 16908 | snprintf(buf, sizeof(buf), "%d", sv->c.i); |
| 16909 | cstr_cat(add_str, buf); |
| 16910 | } else if ((r & VT_VALMASK) == VT_LOCAL) { |
| 16911 | snprintf(buf, sizeof(buf), "%d(%%ebp)", sv->c.i); |
| 16912 | cstr_cat(add_str, buf); |
| 16913 | } else if (r & VT_LVAL) { |
| 16914 | reg = r & VT_VALMASK; |
| 16915 | if (reg >= VT_CONST) |
| 16916 | error("internal compiler error"); |
| 16917 | snprintf(buf, sizeof(buf), "(%%%s)", |
| 16918 | get_tok_str(TOK_ASM_eax + reg, NULL)); |
| 16919 | cstr_cat(add_str, buf); |
| 16920 | } else { |
| 16921 | /* register case */ |
| 16922 | reg = r & VT_VALMASK; |
| 16923 | if (reg >= VT_CONST) |
| 16924 | error("internal compiler error"); |
| 16925 | |
| 16926 | /* choose register operand size */ |
| 16927 | if ((sv->type.t & VT_BTYPE) == VT_BYTE) |
| 16928 | size = 1; |
| 16929 | else if ((sv->type.t & VT_BTYPE) == VT_SHORT) |
| 16930 | size = 2; |
| 16931 | else |
| 16932 | size = 4; |
| 16933 | if (size == 1 && reg >= 4) |
| 16934 | size = 4; |
| 16935 | |
| 16936 | if (modifier == 'b') { |
| 16937 | if (reg >= 4) |
| 16938 | error("cannot use byte register"); |
| 16939 | size = 1; |
| 16940 | } else if (modifier == 'h') { |
| 16941 | if (reg >= 4) |
| 16942 | error("cannot use byte register"); |
| 16943 | size = -1; |
| 16944 | } else if (modifier == 'w') { |
| 16945 | size = 2; |
| 16946 | } |
| 16947 | |
| 16948 | switch(size) { |
| 16949 | case -1: |
| 16950 | reg = TOK_ASM_ah + reg; |
| 16951 | break; |
| 16952 | case 1: |
| 16953 | reg = TOK_ASM_al + reg; |
| 16954 | break; |
| 16955 | case 2: |
| 16956 | reg = TOK_ASM_ax + reg; |
| 16957 | break; |
| 16958 | default: |
| 16959 | reg = TOK_ASM_eax + reg; |
| 16960 | break; |
| 16961 | } |
| 16962 | snprintf(buf, sizeof(buf), "%%%s", get_tok_str(reg, NULL)); |
| 16963 | cstr_cat(add_str, buf); |
| 16964 | } |
| 16965 | } |
| 16966 | |
| 16967 | /* generate prolog and epilog code for asm statment */ |
| 16968 | static void asm_gen_code(ASMOperand *operands, int nb_operands, |
| 16969 | int nb_outputs, int is_output, |
| 16970 | uint8_t *clobber_regs, |
| 16971 | int out_reg) |
| 16972 | { |
| 16973 | uint8_t regs_allocated[NB_ASM_REGS]; |
| 16974 | ASMOperand *op; |
| 16975 | int i, reg; |
| 16976 | static uint8_t reg_saved[NB_SAVED_REGS] = { 3, 6, 7 }; |
| 16977 | |
| 16978 | /* mark all used registers */ |
| 16979 | memcpy(regs_allocated, clobber_regs, sizeof(regs_allocated)); |
| 16980 | for(i = 0; i < nb_operands;i++) { |
| 16981 | op = &operands[i]; |
| 16982 | if (op->reg >= 0) |
| 16983 | regs_allocated[op->reg] = 1; |
| 16984 | } |
| 16985 | if (!is_output) { |
| 16986 | /* generate reg save code */ |
| 16987 | for(i = 0; i < NB_SAVED_REGS; i++) { |
| 16988 | reg = reg_saved[i]; |
| 16989 | if (regs_allocated[reg]) |
| 16990 | g(0x50 + reg); |
| 16991 | } |
| 16992 | |
| 16993 | /* generate load code */ |
| 16994 | for(i = 0; i < nb_operands; i++) { |
| 16995 | op = &operands[i]; |
| 16996 | if (op->reg >= 0) { |
| 16997 | if ((op->vt->r & VT_VALMASK) == VT_LLOCAL && |
| 16998 | op->is_memory) { |
| 16999 | /* memory reference case (for both input and |
| 17000 | output cases) */ |
| 17001 | SValue sv; |
| 17002 | sv = *op->vt; |
| 17003 | sv.r = (sv.r & ~VT_VALMASK) | VT_LOCAL; |
| 17004 | load(op->reg, &sv); |
| 17005 | } else if (i >= nb_outputs || op->is_rw) { |
| 17006 | /* load value in register */ |
| 17007 | load(op->reg, op->vt); |
| 17008 | if (op->is_llong) { |
| 17009 | SValue sv; |
| 17010 | sv = *op->vt; |
| 17011 | sv.c.ul += 4; |
| 17012 | load(TREG_EDX, &sv); |
| 17013 | } |
| 17014 | } |
| 17015 | } |
| 17016 | } |
| 17017 | } else { |
| 17018 | /* generate save code */ |
| 17019 | for(i = 0 ; i < nb_outputs; i++) { |
| 17020 | op = &operands[i]; |
| 17021 | if (op->reg >= 0) { |
| 17022 | if ((op->vt->r & VT_VALMASK) == VT_LLOCAL) { |
| 17023 | if (!op->is_memory) { |
| 17024 | SValue sv; |
| 17025 | sv = *op->vt; |
| 17026 | sv.r = (sv.r & ~VT_VALMASK) | VT_LOCAL; |
| 17027 | load(out_reg, &sv); |
| 17028 | |
| 17029 | sv.r = (sv.r & ~VT_VALMASK) | out_reg; |
| 17030 | store(op->reg, &sv); |
| 17031 | } |
| 17032 | } else { |
| 17033 | store(op->reg, op->vt); |
| 17034 | if (op->is_llong) { |
| 17035 | SValue sv; |
| 17036 | sv = *op->vt; |
| 17037 | sv.c.ul += 4; |
| 17038 | store(TREG_EDX, &sv); |
| 17039 | } |
| 17040 | } |
| 17041 | } |
| 17042 | } |
| 17043 | /* generate reg restore code */ |
| 17044 | for(i = NB_SAVED_REGS - 1; i >= 0; i--) { |
| 17045 | reg = reg_saved[i]; |
| 17046 | if (regs_allocated[reg]) |
| 17047 | g(0x58 + reg); |
| 17048 | } |
| 17049 | } |
| 17050 | } |
| 17051 | |
| 17052 | static void asm_clobber(uint8_t *clobber_regs, const char *str) |
| 17053 | { |
| 17054 | int reg; |
| 17055 | TokenSym *ts; |
| 17056 | |
| 17057 | if (!strcmp(str, "memory") || |
| 17058 | !strcmp(str, "cc")) |
| 17059 | return; |
| 17060 | ts = tok_alloc(str, strlen(str)); |
| 17061 | reg = ts->tok; |
| 17062 | if (reg >= TOK_ASM_eax && reg <= TOK_ASM_edi) { |
| 17063 | reg -= TOK_ASM_eax; |
| 17064 | } else if (reg >= TOK_ASM_ax && reg <= TOK_ASM_di) { |
| 17065 | reg -= TOK_ASM_ax; |
| 17066 | } else { |
| 17067 | error("invalid clobber register '%s'", str); |
| 17068 | } |
| 17069 | clobber_regs[reg] = 1; |
| 17070 | } |
| 17071 | //--------------------------------------------------------------------------- |
| 17072 | #endif |
| 17073 | // njn: inlined tccasm.c |
| 17074 | //#include "tccasm.c" |
| 17075 | //--------------------------------------------------------------------------- |
| 17076 | /* |
| 17077 | * GAS like assembler for TCC |
| 17078 | * |
| 17079 | * Copyright (c) 2001-2004 Fabrice Bellard |
| 17080 | * |
| 17081 | * This library is free software; you can redistribute it and/or |
| 17082 | * modify it under the terms of the GNU Lesser General Public |
| 17083 | * License as published by the Free Software Foundation; either |
| 17084 | * version 2 of the License, or (at your option) any later version. |
| 17085 | * |
| 17086 | * This library is distributed in the hope that it will be useful, |
| 17087 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17088 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 17089 | * Lesser General Public License for more details. |
| 17090 | * |
| 17091 | * You should have received a copy of the GNU Lesser General Public |
| 17092 | * License along with this library; if not, write to the Free Software |
| 17093 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 17094 | */ |
| 17095 | |
| 17096 | static int asm_get_local_label_name(TCCState *s1, unsigned int n) |
| 17097 | { |
| 17098 | char buf[64]; |
| 17099 | TokenSym *ts; |
| 17100 | |
| 17101 | snprintf(buf, sizeof(buf), "L..%u", n); |
| 17102 | ts = tok_alloc(buf, strlen(buf)); |
| 17103 | return ts->tok; |
| 17104 | } |
| 17105 | |
| 17106 | static void asm_expr(TCCState *s1, ExprValue *pe); |
| 17107 | |
| 17108 | /* We do not use the C expression parser to handle symbols. Maybe the |
| 17109 | C expression parser could be tweaked to do so. */ |
| 17110 | |
| 17111 | static void asm_expr_unary(TCCState *s1, ExprValue *pe) |
| 17112 | { |
| 17113 | Sym *sym; |
| 17114 | int op, n, label; |
| 17115 | const char *p; |
| 17116 | |
| 17117 | switch(tok) { |
| 17118 | case TOK_PPNUM: |
| 17119 | p = tokc.cstr->data; |
| 17120 | n = strtoul(p, (char **)&p, 0); |
| 17121 | if (*p == 'b' || *p == 'f') { |
| 17122 | /* backward or forward label */ |
| 17123 | label = asm_get_local_label_name(s1, n); |
| 17124 | sym = label_find(label); |
| 17125 | if (*p == 'b') { |
| 17126 | /* backward : find the last corresponding defined label */ |
| 17127 | if (sym && sym->r == 0) |
| 17128 | sym = sym->prev_tok; |
| 17129 | if (!sym) |
| 17130 | error("local label '%d' not found backward", n); |
| 17131 | } else { |
| 17132 | /* forward */ |
| 17133 | if (!sym || sym->r) { |
| 17134 | /* if the last label is defined, then define a new one */ |
| 17135 | sym = label_push(&s1->asm_labels, label, 0); |
| 17136 | sym->type.t = VT_STATIC | VT_VOID; |
| 17137 | } |
| 17138 | } |
| 17139 | pe->v = 0; |
| 17140 | pe->sym = sym; |
| 17141 | } else if (*p == '\0') { |
| 17142 | pe->v = n; |
| 17143 | pe->sym = NULL; |
| 17144 | } else { |
| 17145 | error("invalid number syntax"); |
| 17146 | } |
| 17147 | next(); |
| 17148 | break; |
| 17149 | case '+': |
| 17150 | next(); |
| 17151 | asm_expr_unary(s1, pe); |
| 17152 | break; |
| 17153 | case '-': |
| 17154 | case '~': |
| 17155 | op = tok; |
| 17156 | next(); |
| 17157 | asm_expr_unary(s1, pe); |
| 17158 | if (pe->sym) |
| 17159 | error("invalid operation with label"); |
| 17160 | if (op == '-') |
| 17161 | pe->v = -pe->v; |
| 17162 | else |
| 17163 | pe->v = ~pe->v; |
| 17164 | break; |
| 17165 | case TOK_CCHAR: |
| 17166 | case TOK_LCHAR: |
| 17167 | pe->v = tokc.i; |
| 17168 | pe->sym = NULL; |
| 17169 | next(); |
| 17170 | break; |
| 17171 | case '(': |
| 17172 | next(); |
| 17173 | asm_expr(s1, pe); |
| 17174 | skip(')'); |
| 17175 | break; |
| 17176 | default: |
| 17177 | if (tok >= TOK_IDENT) { |
| 17178 | /* label case : if the label was not found, add one */ |
| 17179 | sym = label_find(tok); |
| 17180 | if (!sym) { |
| 17181 | sym = label_push(&s1->asm_labels, tok, 0); |
| 17182 | /* NOTE: by default, the symbol is global */ |
| 17183 | sym->type.t = VT_VOID; |
| 17184 | } |
| 17185 | if (sym->r == SHN_ABS) { |
| 17186 | /* if absolute symbol, no need to put a symbol value */ |
| 17187 | pe->v = (long)sym->next; |
| 17188 | pe->sym = NULL; |
| 17189 | } else { |
| 17190 | pe->v = 0; |
| 17191 | pe->sym = sym; |
| 17192 | } |
| 17193 | next(); |
| 17194 | } else { |
| 17195 | error("bad expression syntax [%s]", get_tok_str(tok, &tokc)); |
| 17196 | } |
| 17197 | break; |
| 17198 | } |
| 17199 | } |
| 17200 | |
| 17201 | static void asm_expr_prod(TCCState *s1, ExprValue *pe) |
| 17202 | { |
| 17203 | int op; |
| 17204 | ExprValue e2; |
| 17205 | |
| 17206 | asm_expr_unary(s1, pe); |
| 17207 | for(;;) { |
| 17208 | op = tok; |
| 17209 | if (op != '*' && op != '/' && op != '%' && |
| 17210 | op != TOK_SHL && op != TOK_SAR) |
| 17211 | break; |
| 17212 | next(); |
| 17213 | asm_expr_unary(s1, &e2); |
| 17214 | if (pe->sym || e2.sym) |
| 17215 | error("invalid operation with label"); |
| 17216 | switch(op) { |
| 17217 | case '*': |
| 17218 | pe->v *= e2.v; |
| 17219 | break; |
| 17220 | case '/': |
| 17221 | if (e2.v == 0) { |
| 17222 | div_error: |
| 17223 | error("division by zero"); |
| 17224 | } |
| 17225 | pe->v /= e2.v; |
| 17226 | break; |
| 17227 | case '%': |
| 17228 | if (e2.v == 0) |
| 17229 | goto div_error; |
| 17230 | pe->v %= e2.v; |
| 17231 | break; |
| 17232 | case TOK_SHL: |
| 17233 | pe->v <<= e2.v; |
| 17234 | break; |
| 17235 | default: |
| 17236 | case TOK_SAR: |
| 17237 | pe->v >>= e2.v; |
| 17238 | break; |
| 17239 | } |
| 17240 | } |
| 17241 | } |
| 17242 | |
| 17243 | static void asm_expr_logic(TCCState *s1, ExprValue *pe) |
| 17244 | { |
| 17245 | int op; |
| 17246 | ExprValue e2; |
| 17247 | |
| 17248 | asm_expr_prod(s1, pe); |
| 17249 | for(;;) { |
| 17250 | op = tok; |
| 17251 | if (op != '&' && op != '|' && op != '^') |
| 17252 | break; |
| 17253 | next(); |
| 17254 | asm_expr_prod(s1, &e2); |
| 17255 | if (pe->sym || e2.sym) |
| 17256 | error("invalid operation with label"); |
| 17257 | switch(op) { |
| 17258 | case '&': |
| 17259 | pe->v &= e2.v; |
| 17260 | break; |
| 17261 | case '|': |
| 17262 | pe->v |= e2.v; |
| 17263 | break; |
| 17264 | default: |
| 17265 | case '^': |
| 17266 | pe->v ^= e2.v; |
| 17267 | break; |
| 17268 | } |
| 17269 | } |
| 17270 | } |
| 17271 | |
| 17272 | static inline void asm_expr_sum(TCCState *s1, ExprValue *pe) |
| 17273 | { |
| 17274 | int op; |
| 17275 | ExprValue e2; |
| 17276 | |
| 17277 | asm_expr_logic(s1, pe); |
| 17278 | for(;;) { |
| 17279 | op = tok; |
| 17280 | if (op != '+' && op != '-') |
| 17281 | break; |
| 17282 | next(); |
| 17283 | asm_expr_logic(s1, &e2); |
| 17284 | if (op == '+') { |
| 17285 | if (pe->sym != NULL && e2.sym != NULL) |
| 17286 | goto cannot_relocate; |
| 17287 | pe->v += e2.v; |
| 17288 | if (pe->sym == NULL && e2.sym != NULL) |
| 17289 | pe->sym = e2.sym; |
| 17290 | } else { |
| 17291 | pe->v -= e2.v; |
| 17292 | /* NOTE: we are less powerful than gas in that case |
| 17293 | because we store only one symbol in the expression */ |
| 17294 | if (!pe->sym && !e2.sym) { |
| 17295 | /* OK */ |
| 17296 | } else if (pe->sym && !e2.sym) { |
| 17297 | /* OK */ |
| 17298 | } else if (pe->sym && e2.sym) { |
| 17299 | if (pe->sym == e2.sym) { |
| 17300 | /* OK */ |
| 17301 | } else if (pe->sym->r == e2.sym->r && pe->sym->r != 0) { |
| 17302 | /* we also accept defined symbols in the same section */ |
| 17303 | pe->v += (long)pe->sym->next - (long)e2.sym->next; |
| 17304 | } else { |
| 17305 | goto cannot_relocate; |
| 17306 | } |
| 17307 | pe->sym = NULL; /* same symbols can be substracted to NULL */ |
| 17308 | } else { |
| 17309 | cannot_relocate: |
| 17310 | error("invalid operation with label"); |
| 17311 | } |
| 17312 | } |
| 17313 | } |
| 17314 | } |
| 17315 | |
| 17316 | static void asm_expr(TCCState *s1, ExprValue *pe) |
| 17317 | { |
| 17318 | asm_expr_sum(s1, pe); |
| 17319 | } |
| 17320 | |
| 17321 | static int asm_int_expr(TCCState *s1) |
| 17322 | { |
| 17323 | ExprValue e; |
| 17324 | asm_expr(s1, &e); |
| 17325 | if (e.sym) |
| 17326 | expect("constant"); |
| 17327 | return e.v; |
| 17328 | } |
| 17329 | |
| 17330 | /* NOTE: the same name space as C labels is used to avoid using too |
| 17331 | much memory when storing labels in TokenStrings */ |
| 17332 | static void asm_new_label1(TCCState *s1, int label, int is_local, |
| 17333 | int sh_num, int value) |
| 17334 | { |
| 17335 | Sym *sym; |
| 17336 | |
| 17337 | sym = label_find(label); |
| 17338 | if (sym) { |
| 17339 | if (sym->r) { |
| 17340 | /* the label is already defined */ |
| 17341 | if (!is_local) { |
| 17342 | error("assembler label '%s' already defined", |
| 17343 | get_tok_str(label, NULL)); |
| 17344 | } else { |
| 17345 | /* redefinition of local labels is possible */ |
| 17346 | goto new_label; |
| 17347 | } |
| 17348 | } |
| 17349 | } else { |
| 17350 | new_label: |
| 17351 | sym = label_push(&s1->asm_labels, label, 0); |
| 17352 | sym->type.t = VT_STATIC | VT_VOID; |
| 17353 | } |
| 17354 | sym->r = sh_num; |
| 17355 | sym->next = (void *)value; |
| 17356 | } |
| 17357 | |
| 17358 | static void asm_new_label(TCCState *s1, int label, int is_local) |
| 17359 | { |
| 17360 | asm_new_label1(s1, label, is_local, cur_text_section->sh_num, ind); |
| 17361 | } |
| 17362 | |
| 17363 | static void asm_free_labels(TCCState *st) |
| 17364 | { |
| 17365 | Sym *s, *s1; |
| 17366 | Section *sec; |
| 17367 | |
| 17368 | for(s = st->asm_labels; s != NULL; s = s1) { |
| 17369 | s1 = s->prev; |
| 17370 | /* define symbol value in object file */ |
| 17371 | if (s->r) { |
| 17372 | if (s->r == SHN_ABS) |
| 17373 | sec = SECTION_ABS; |
| 17374 | else |
| 17375 | sec = st->sections[s->r]; |
| 17376 | put_extern_sym2(s, sec, (long)s->next, 0, 0); |
| 17377 | } |
| 17378 | /* remove label */ |
| 17379 | table_ident[s->v - TOK_IDENT]->sym_label = NULL; |
| 17380 | sym_free(s); |
| 17381 | } |
| 17382 | st->asm_labels = NULL; |
| 17383 | } |
| 17384 | |
| 17385 | static void use_section1(TCCState *s1, Section *sec) |
| 17386 | { |
| 17387 | cur_text_section->data_offset = ind; |
| 17388 | cur_text_section = sec; |
| 17389 | ind = cur_text_section->data_offset; |
| 17390 | } |
| 17391 | |
| 17392 | static void use_section(TCCState *s1, const char *name) |
| 17393 | { |
| 17394 | Section *sec; |
| 17395 | sec = find_section(s1, name); |
| 17396 | use_section1(s1, sec); |
| 17397 | } |
| 17398 | |
| 17399 | static void asm_parse_directive(TCCState *s1) |
| 17400 | { |
| 17401 | int n, offset, v, size, tok1; |
| 17402 | Section *sec; |
| 17403 | uint8_t *ptr; |
| 17404 | |
| 17405 | /* assembler directive */ |
| 17406 | next(); |
| 17407 | sec = cur_text_section; |
| 17408 | switch(tok) { |
| 17409 | case TOK_ASM_align: |
| 17410 | case TOK_ASM_skip: |
| 17411 | case TOK_ASM_space: |
| 17412 | tok1 = tok; |
| 17413 | next(); |
| 17414 | n = asm_int_expr(s1); |
| 17415 | if (tok1 == TOK_ASM_align) { |
| 17416 | if (n < 0 || (n & (n-1)) != 0) |
| 17417 | error("alignment must be a positive power of two"); |
| 17418 | offset = (ind + n - 1) & -n; |
| 17419 | size = offset - ind; |
| 17420 | /* the section must have a compatible alignment */ |
| 17421 | if (sec->sh_addralign < n) |
| 17422 | sec->sh_addralign = n; |
| 17423 | } else { |
| 17424 | size = n; |
| 17425 | } |
| 17426 | v = 0; |
| 17427 | if (tok == ',') { |
| 17428 | next(); |
| 17429 | v = asm_int_expr(s1); |
| 17430 | } |
| 17431 | zero_pad: |
| 17432 | if (sec->sh_type != SHT_NOBITS) { |
| 17433 | sec->data_offset = ind; |
| 17434 | ptr = section_ptr_add(sec, size); |
| 17435 | memset(ptr, v, size); |
| 17436 | } |
| 17437 | ind += size; |
| 17438 | break; |
| 17439 | case TOK_ASM_quad: |
| 17440 | next(); |
| 17441 | for(;;) { |
| 17442 | uint64_t vl; |
| 17443 | const char *p; |
| 17444 | |
| 17445 | p = tokc.cstr->data; |
| 17446 | if (tok != TOK_PPNUM) { |
| 17447 | error_constant: |
| 17448 | error("64 bit constant"); |
| 17449 | } |
| 17450 | vl = strtoll(p, (char **)&p, 0); |
| 17451 | if (*p != '\0') |
| 17452 | goto error_constant; |
| 17453 | next(); |
| 17454 | if (sec->sh_type != SHT_NOBITS) { |
| 17455 | /* XXX: endianness */ |
| 17456 | gen_le32(vl); |
| 17457 | gen_le32(vl >> 32); |
| 17458 | } else { |
| 17459 | ind += 8; |
| 17460 | } |
| 17461 | if (tok != ',') |
| 17462 | break; |
| 17463 | next(); |
| 17464 | } |
| 17465 | break; |
| 17466 | case TOK_ASM_byte: |
| 17467 | size = 1; |
| 17468 | goto asm_data; |
| 17469 | case TOK_ASM_word: |
| 17470 | case TOK_SHORT: |
| 17471 | size = 2; |
| 17472 | goto asm_data; |
| 17473 | case TOK_LONG: |
| 17474 | case TOK_INT: |
| 17475 | size = 4; |
| 17476 | asm_data: |
| 17477 | next(); |
| 17478 | for(;;) { |
| 17479 | ExprValue e; |
| 17480 | asm_expr(s1, &e); |
| 17481 | if (sec->sh_type != SHT_NOBITS) { |
| 17482 | if (size == 4) { |
| 17483 | gen_expr32(&e); |
| 17484 | } else { |
| 17485 | if (e.sym) |
| 17486 | expect("constant"); |
| 17487 | if (size == 1) |
| 17488 | g(e.v); |
| 17489 | else |
| 17490 | gen_le16(e.v); |
| 17491 | } |
| 17492 | } else { |
| 17493 | ind += size; |
| 17494 | } |
| 17495 | if (tok != ',') |
| 17496 | break; |
| 17497 | next(); |
| 17498 | } |
| 17499 | break; |
| 17500 | case TOK_ASM_fill: |
| 17501 | { |
| 17502 | int repeat, size, val, i, j; |
| 17503 | uint8_t repeat_buf[8]; |
| 17504 | next(); |
| 17505 | repeat = asm_int_expr(s1); |
| 17506 | if (repeat < 0) { |
| 17507 | error("repeat < 0; .fill ignored"); |
| 17508 | break; |
| 17509 | } |
| 17510 | size = 1; |
| 17511 | val = 0; |
| 17512 | if (tok == ',') { |
| 17513 | next(); |
| 17514 | size = asm_int_expr(s1); |
| 17515 | if (size < 0) { |
| 17516 | error("size < 0; .fill ignored"); |
| 17517 | break; |
| 17518 | } |
| 17519 | if (size > 8) |
| 17520 | size = 8; |
| 17521 | if (tok == ',') { |
| 17522 | next(); |
| 17523 | val = asm_int_expr(s1); |
| 17524 | } |
| 17525 | } |
| 17526 | /* XXX: endianness */ |
| 17527 | repeat_buf[0] = val; |
| 17528 | repeat_buf[1] = val >> 8; |
| 17529 | repeat_buf[2] = val >> 16; |
| 17530 | repeat_buf[3] = val >> 24; |
| 17531 | repeat_buf[4] = 0; |
| 17532 | repeat_buf[5] = 0; |
| 17533 | repeat_buf[6] = 0; |
| 17534 | repeat_buf[7] = 0; |
| 17535 | for(i = 0; i < repeat; i++) { |
| 17536 | for(j = 0; j < size; j++) { |
| 17537 | g(repeat_buf[j]); |
| 17538 | } |
| 17539 | } |
| 17540 | } |
| 17541 | break; |
| 17542 | case TOK_ASM_org: |
| 17543 | { |
| 17544 | unsigned long n; |
| 17545 | next(); |
| 17546 | /* XXX: handle section symbols too */ |
| 17547 | n = asm_int_expr(s1); |
| 17548 | if (n < ind) |
| 17549 | error("attempt to .org backwards"); |
| 17550 | v = 0; |
| 17551 | size = n - ind; |
| 17552 | goto zero_pad; |
| 17553 | } |
| 17554 | break; |
| 17555 | case TOK_ASM_globl: |
| 17556 | case TOK_ASM_global: |
| 17557 | { |
| 17558 | Sym *sym; |
| 17559 | |
| 17560 | next(); |
| 17561 | sym = label_find(tok); |
| 17562 | if (!sym) { |
| 17563 | sym = label_push(&s1->asm_labels, tok, 0); |
| 17564 | sym->type.t = VT_VOID; |
| 17565 | } |
| 17566 | sym->type.t &= ~VT_STATIC; |
| 17567 | next(); |
| 17568 | } |
| 17569 | break; |
| 17570 | case TOK_ASM_string: |
| 17571 | case TOK_ASM_ascii: |
| 17572 | case TOK_ASM_asciz: |
| 17573 | { |
| 17574 | const uint8_t *p; |
| 17575 | int i, size, t; |
| 17576 | |
| 17577 | t = tok; |
| 17578 | next(); |
| 17579 | for(;;) { |
| 17580 | if (tok != TOK_STR) |
| 17581 | expect("string constant"); |
| 17582 | p = tokc.cstr->data; |
| 17583 | size = tokc.cstr->size; |
| 17584 | if (t == TOK_ASM_ascii && size > 0) |
| 17585 | size--; |
| 17586 | for(i = 0; i < size; i++) |
| 17587 | g(p[i]); |
| 17588 | next(); |
| 17589 | if (tok == ',') { |
| 17590 | next(); |
| 17591 | } else if (tok != TOK_STR) { |
| 17592 | break; |
| 17593 | } |
| 17594 | } |
| 17595 | } |
| 17596 | break; |
| 17597 | case TOK_ASM_text: |
| 17598 | case TOK_ASM_data: |
| 17599 | case TOK_ASM_bss: |
| 17600 | { |
| 17601 | char sname[64]; |
| 17602 | tok1 = tok; |
| 17603 | n = 0; |
| 17604 | next(); |
| 17605 | if (tok != ';' && tok != TOK_LINEFEED) { |
| 17606 | n = asm_int_expr(s1); |
| 17607 | next(); |
| 17608 | } |
| 17609 | sprintf(sname, (n?".%s%d":".%s"), get_tok_str(tok1, NULL), n); |
| 17610 | use_section(s1, sname); |
| 17611 | } |
| 17612 | break; |
| 17613 | case TOK_SECTION1: |
| 17614 | { |
| 17615 | char sname[256]; |
| 17616 | |
| 17617 | /* XXX: support more options */ |
| 17618 | next(); |
| 17619 | sname[0] = '\0'; |
| 17620 | while (tok != ';' && tok != TOK_LINEFEED && tok != ',') { |
| 17621 | if (tok == TOK_STR) |
| 17622 | pstrcat(sname, sizeof(sname), tokc.cstr->data); |
| 17623 | else |
| 17624 | pstrcat(sname, sizeof(sname), get_tok_str(tok, NULL)); |
| 17625 | next(); |
| 17626 | } |
| 17627 | if (tok == ',') { |
| 17628 | /* skip section options */ |
| 17629 | next(); |
| 17630 | if (tok != TOK_STR) |
| 17631 | expect("string constant"); |
| 17632 | next(); |
| 17633 | } |
| 17634 | last_text_section = cur_text_section; |
| 17635 | use_section(s1, sname); |
| 17636 | } |
| 17637 | break; |
| 17638 | case TOK_ASM_previous: |
| 17639 | { |
| 17640 | Section *sec; |
| 17641 | next(); |
| 17642 | if (!last_text_section) |
| 17643 | error("no previous section referenced"); |
| 17644 | sec = cur_text_section; |
| 17645 | use_section1(s1, last_text_section); |
| 17646 | last_text_section = sec; |
| 17647 | } |
| 17648 | break; |
| 17649 | default: |
| 17650 | error("unknown assembler directive '.%s'", get_tok_str(tok, NULL)); |
| 17651 | break; |
| 17652 | } |
| 17653 | } |
| 17654 | |
| 17655 | |
| 17656 | /* assemble a file */ |
| 17657 | static int tcc_assemble_internal(TCCState *s1, int do_preprocess) |
| 17658 | { |
| 17659 | int opcode; |
| 17660 | |
| 17661 | #if 0 |
| 17662 | /* print stats about opcodes */ |
| 17663 | { |
| 17664 | const ASMInstr *pa; |
| 17665 | int freq[4]; |
| 17666 | int op_vals[500]; |
| 17667 | int nb_op_vals, i, j; |
| 17668 | |
| 17669 | nb_op_vals = 0; |
| 17670 | memset(freq, 0, sizeof(freq)); |
| 17671 | for(pa = asm_instrs; pa->sym != 0; pa++) { |
| 17672 | freq[pa->nb_ops]++; |
| 17673 | for(i=0;i<pa->nb_ops;i++) { |
| 17674 | for(j=0;j<nb_op_vals;j++) { |
| 17675 | if (pa->op_type[i] == op_vals[j]) |
| 17676 | goto found; |
| 17677 | } |
| 17678 | op_vals[nb_op_vals++] = pa->op_type[i]; |
| 17679 | found: ; |
| 17680 | } |
| 17681 | } |
| 17682 | for(i=0;i<nb_op_vals;i++) { |
| 17683 | int v = op_vals[i]; |
| 17684 | if ((v & (v - 1)) != 0) |
| 17685 | printf("%3d: %08x\n", i, v); |
| 17686 | } |
| 17687 | printf("size=%d nb=%d f0=%d f1=%d f2=%d f3=%d\n", |
| 17688 | sizeof(asm_instrs), sizeof(asm_instrs) / sizeof(ASMInstr), |
| 17689 | freq[0], freq[1], freq[2], freq[3]); |
| 17690 | } |
| 17691 | #endif |
| 17692 | |
| 17693 | /* XXX: undefine C labels */ |
| 17694 | |
| 17695 | ch = file->buf_ptr[0]; |
| 17696 | tok_flags = TOK_FLAG_BOL | TOK_FLAG_BOF; |
| 17697 | parse_flags = PARSE_FLAG_ASM_COMMENTS; |
| 17698 | if (do_preprocess) |
| 17699 | parse_flags |= PARSE_FLAG_PREPROCESS; |
| 17700 | next(); |
| 17701 | for(;;) { |
| 17702 | if (tok == TOK_EOF) |
| 17703 | break; |
| 17704 | parse_flags |= PARSE_FLAG_LINEFEED; /* XXX: suppress that hack */ |
| 17705 | redo: |
| 17706 | if (tok == '#') { |
| 17707 | /* horrible gas comment */ |
| 17708 | while (tok != TOK_LINEFEED) |
| 17709 | next(); |
| 17710 | } else if (tok == '.') { |
| 17711 | asm_parse_directive(s1); |
| 17712 | } else if (tok == TOK_PPNUM) { |
| 17713 | const char *p; |
| 17714 | int n; |
| 17715 | p = tokc.cstr->data; |
| 17716 | n = strtoul(p, (char **)&p, 10); |
| 17717 | if (*p != '\0') |
| 17718 | expect("':'"); |
| 17719 | /* new local label */ |
| 17720 | asm_new_label(s1, asm_get_local_label_name(s1, n), 1); |
| 17721 | next(); |
| 17722 | skip(':'); |
| 17723 | goto redo; |
| 17724 | } else if (tok >= TOK_IDENT) { |
| 17725 | /* instruction or label */ |
| 17726 | opcode = tok; |
| 17727 | next(); |
| 17728 | if (tok == ':') { |
| 17729 | /* new label */ |
| 17730 | asm_new_label(s1, opcode, 0); |
| 17731 | next(); |
| 17732 | goto redo; |
| 17733 | } else if (tok == '=') { |
| 17734 | int n; |
| 17735 | next(); |
| 17736 | n = asm_int_expr(s1); |
| 17737 | asm_new_label1(s1, opcode, 0, SHN_ABS, n); |
| 17738 | goto redo; |
| 17739 | } else { |
| 17740 | asm_opcode(s1, opcode); |
| 17741 | } |
| 17742 | } |
| 17743 | /* end of line */ |
| 17744 | if (tok != ';' && tok != TOK_LINEFEED){ |
| 17745 | expect("end of line"); |
| 17746 | } |
| 17747 | parse_flags &= ~PARSE_FLAG_LINEFEED; /* XXX: suppress that hack */ |
| 17748 | next(); |
| 17749 | } |
| 17750 | |
| 17751 | asm_free_labels(s1); |
| 17752 | |
| 17753 | return 0; |
| 17754 | } |
| 17755 | |
| 17756 | /* Assemble the current file */ |
| 17757 | static int tcc_assemble(TCCState *s1, int do_preprocess) |
| 17758 | { |
| 17759 | Sym *define_start; |
| 17760 | int ret; |
| 17761 | |
| 17762 | preprocess_init(s1); |
| 17763 | |
| 17764 | /* default section is text */ |
| 17765 | cur_text_section = text_section; |
| 17766 | ind = cur_text_section->data_offset; |
| 17767 | |
| 17768 | define_start = define_stack; |
| 17769 | |
| 17770 | ret = tcc_assemble_internal(s1, do_preprocess); |
| 17771 | |
| 17772 | cur_text_section->data_offset = ind; |
| 17773 | |
| 17774 | free_defines(define_start); |
| 17775 | |
| 17776 | return ret; |
| 17777 | } |
| 17778 | |
| 17779 | /********************************************************************/ |
| 17780 | /* GCC inline asm support */ |
| 17781 | |
| 17782 | /* assemble the string 'str' in the current C compilation unit without |
| 17783 | C preprocessing. NOTE: str is modified by modifying the '\0' at the |
| 17784 | end */ |
| 17785 | static void tcc_assemble_inline(TCCState *s1, char *str, int len) |
| 17786 | { |
| 17787 | BufferedFile *bf, *saved_file; |
| 17788 | int saved_parse_flags, *saved_macro_ptr; |
| 17789 | |
| 17790 | bf = tcc_malloc(sizeof(BufferedFile)); |
| 17791 | memset(bf, 0, sizeof(BufferedFile)); |
| 17792 | bf->fd = -1; |
| 17793 | bf->buf_ptr = str; |
| 17794 | bf->buf_end = str + len; |
| 17795 | str[len] = CH_EOB; |
| 17796 | /* same name as current file so that errors are correctly |
| 17797 | reported */ |
| 17798 | pstrcpy(bf->filename, sizeof(bf->filename), file->filename); |
| 17799 | bf->line_num = file->line_num; |
| 17800 | saved_file = file; |
| 17801 | file = bf; |
| 17802 | saved_parse_flags = parse_flags; |
| 17803 | saved_macro_ptr = macro_ptr; |
| 17804 | macro_ptr = NULL; |
| 17805 | |
| 17806 | tcc_assemble_internal(s1, 0); |
| 17807 | |
| 17808 | parse_flags = saved_parse_flags; |
| 17809 | macro_ptr = saved_macro_ptr; |
| 17810 | file = saved_file; |
| 17811 | tcc_free(bf); |
| 17812 | } |
| 17813 | |
| 17814 | /* find a constraint by its number or id (gcc 3 extended |
| 17815 | syntax). return -1 if not found. Return in *pp in char after the |
| 17816 | constraint */ |
| 17817 | static int find_constraint(ASMOperand *operands, int nb_operands, |
| 17818 | const char *name, const char **pp) |
| 17819 | { |
| 17820 | int index; |
| 17821 | TokenSym *ts; |
| 17822 | const char *p; |
| 17823 | |
| 17824 | if (isnum(*name)) { |
| 17825 | index = 0; |
| 17826 | while (isnum(*name)) { |
| 17827 | index = (index * 10) + (*name) - '0'; |
| 17828 | name++; |
| 17829 | } |
| 17830 | if ((unsigned)index >= nb_operands) |
| 17831 | index = -1; |
| 17832 | } else if (*name == '[') { |
| 17833 | name++; |
| 17834 | p = strchr(name, ']'); |
| 17835 | if (p) { |
| 17836 | ts = tok_alloc(name, p - name); |
| 17837 | for(index = 0; index < nb_operands; index++) { |
| 17838 | if (operands[index].id == ts->tok) |
| 17839 | goto found; |
| 17840 | } |
| 17841 | index = -1; |
| 17842 | found: |
| 17843 | name = p + 1; |
| 17844 | } else { |
| 17845 | index = -1; |
| 17846 | } |
| 17847 | } else { |
| 17848 | index = -1; |
| 17849 | } |
| 17850 | if (pp) |
| 17851 | *pp = name; |
| 17852 | return index; |
| 17853 | } |
| 17854 | |
| 17855 | static void subst_asm_operands(ASMOperand *operands, int nb_operands, |
| 17856 | int nb_outputs, |
| 17857 | CString *out_str, CString *in_str) |
| 17858 | { |
| 17859 | int c, index, modifier; |
| 17860 | const char *str; |
| 17861 | ASMOperand *op; |
| 17862 | SValue sv; |
| 17863 | |
| 17864 | cstr_new(out_str); |
| 17865 | str = in_str->data; |
| 17866 | for(;;) { |
| 17867 | c = *str++; |
| 17868 | if (c == '%') { |
| 17869 | if (*str == '%') { |
| 17870 | str++; |
| 17871 | goto add_char; |
| 17872 | } |
| 17873 | modifier = 0; |
| 17874 | if (*str == 'c' || *str == 'n' || |
| 17875 | *str == 'b' || *str == 'w' || *str == 'h') |
| 17876 | modifier = *str++; |
| 17877 | index = find_constraint(operands, nb_operands, str, &str); |
| 17878 | if (index < 0) |
| 17879 | error("invalid operand reference after %%"); |
| 17880 | op = &operands[index]; |
| 17881 | sv = *op->vt; |
| 17882 | if (op->reg >= 0) { |
| 17883 | sv.r = op->reg; |
| 17884 | if ((op->vt->r & VT_VALMASK) == VT_LLOCAL) |
| 17885 | sv.r |= VT_LVAL; |
| 17886 | } |
| 17887 | subst_asm_operand(out_str, &sv, modifier); |
| 17888 | } else { |
| 17889 | add_char: |
| 17890 | cstr_ccat(out_str, c); |
| 17891 | if (c == '\0') |
| 17892 | break; |
| 17893 | } |
| 17894 | } |
| 17895 | } |
| 17896 | |
| 17897 | |
| 17898 | static void parse_asm_operands(ASMOperand *operands, int *nb_operands_ptr, |
| 17899 | int is_output) |
| 17900 | { |
| 17901 | ASMOperand *op; |
| 17902 | int nb_operands; |
| 17903 | |
| 17904 | if (tok != ':') { |
| 17905 | nb_operands = *nb_operands_ptr; |
| 17906 | for(;;) { |
| 17907 | if (nb_operands >= MAX_ASM_OPERANDS) |
| 17908 | error("too many asm operands"); |
| 17909 | op = &operands[nb_operands++]; |
| 17910 | op->id = 0; |
| 17911 | if (tok == '[') { |
| 17912 | next(); |
| 17913 | if (tok < TOK_IDENT) |
| 17914 | expect("identifier"); |
| 17915 | op->id = tok; |
| 17916 | next(); |
| 17917 | skip(']'); |
| 17918 | } |
| 17919 | if (tok != TOK_STR) |
| 17920 | expect("string constant"); |
| 17921 | op->constraint = tcc_malloc(tokc.cstr->size); |
| 17922 | strcpy(op->constraint, tokc.cstr->data); |
| 17923 | next(); |
| 17924 | skip('('); |
| 17925 | gexpr(); |
| 17926 | if (is_output) { |
| 17927 | test_lvalue(); |
| 17928 | } else { |
| 17929 | /* we want to avoid LLOCAL case, except when the 'm' |
| 17930 | constraint is used. Note that it may come from |
| 17931 | register storage, so we need to convert (reg) |
| 17932 | case */ |
| 17933 | if ((vtop->r & VT_LVAL) && |
| 17934 | ((vtop->r & VT_VALMASK) == VT_LLOCAL || |
| 17935 | (vtop->r & VT_VALMASK) < VT_CONST) && |
| 17936 | !strchr(op->constraint, 'm')) { |
| 17937 | gv(RC_INT); |
| 17938 | } |
| 17939 | } |
| 17940 | op->vt = vtop; |
| 17941 | skip(')'); |
| 17942 | if (tok == ',') { |
| 17943 | next(); |
| 17944 | } else { |
| 17945 | break; |
| 17946 | } |
| 17947 | } |
| 17948 | *nb_operands_ptr = nb_operands; |
| 17949 | } |
| 17950 | } |
| 17951 | |
| 17952 | static void parse_asm_str(CString *astr) |
| 17953 | { |
| 17954 | skip('('); |
| 17955 | /* read the string */ |
| 17956 | if (tok != TOK_STR) |
| 17957 | expect("string constant"); |
| 17958 | cstr_new(astr); |
| 17959 | while (tok == TOK_STR) { |
| 17960 | /* XXX: add \0 handling too ? */ |
| 17961 | cstr_cat(astr, tokc.cstr->data); |
| 17962 | next(); |
| 17963 | } |
| 17964 | cstr_ccat(astr, '\0'); |
| 17965 | } |
| 17966 | |
| 17967 | /* parse the GCC asm() instruction */ |
| 17968 | static void asm_instr(void) |
| 17969 | { |
| 17970 | CString astr, astr1; |
| 17971 | ASMOperand operands[MAX_ASM_OPERANDS]; |
| 17972 | int nb_inputs, nb_outputs, nb_operands, i, must_subst, out_reg; |
| 17973 | uint8_t clobber_regs[NB_ASM_REGS]; |
| 17974 | |
| 17975 | next(); |
| 17976 | /* since we always generate the asm() instruction, we can ignore |
| 17977 | volatile */ |
| 17978 | if (tok == TOK_VOLATILE1 || tok == TOK_VOLATILE2 || tok == TOK_VOLATILE3) { |
| 17979 | next(); |
| 17980 | } |
| 17981 | parse_asm_str(&astr); |
| 17982 | nb_operands = 0; |
| 17983 | nb_outputs = 0; |
| 17984 | must_subst = 0; |
| 17985 | memset(clobber_regs, 0, sizeof(clobber_regs)); |
| 17986 | if (tok == ':') { |
| 17987 | next(); |
| 17988 | must_subst = 1; |
| 17989 | /* output args */ |
| 17990 | parse_asm_operands(operands, &nb_operands, 1); |
| 17991 | nb_outputs = nb_operands; |
| 17992 | if (tok == ':') { |
| 17993 | next(); |
| 17994 | /* input args */ |
| 17995 | parse_asm_operands(operands, &nb_operands, 0); |
| 17996 | if (tok == ':') { |
| 17997 | /* clobber list */ |
| 17998 | /* XXX: handle registers */ |
| 17999 | next(); |
| 18000 | for(;;) { |
| 18001 | if (tok != TOK_STR) |
| 18002 | expect("string constant"); |
| 18003 | asm_clobber(clobber_regs, tokc.cstr->data); |
| 18004 | next(); |
| 18005 | if (tok == ',') { |
| 18006 | next(); |
| 18007 | } else { |
| 18008 | break; |
| 18009 | } |
| 18010 | } |
| 18011 | } |
| 18012 | } |
| 18013 | } |
| 18014 | skip(')'); |
| 18015 | /* NOTE: we do not eat the ';' so that we can restore the current |
| 18016 | token after the assembler parsing */ |
| 18017 | if (tok != ';') |
| 18018 | expect("';'"); |
| 18019 | nb_inputs = nb_operands - nb_outputs; |
| 18020 | |
| 18021 | /* save all values in the memory */ |
| 18022 | save_regs(0); |
| 18023 | |
| 18024 | /* compute constraints */ |
| 18025 | asm_compute_constraints(operands, nb_operands, nb_outputs, |
| 18026 | clobber_regs, &out_reg); |
| 18027 | |
| 18028 | /* substitute the operands in the asm string. No substitution is |
| 18029 | done if no operands (GCC behaviour) */ |
| 18030 | #ifdef ASM_DEBUG |
| 18031 | printf("asm: \"%s\"\n", (char *)astr.data); |
| 18032 | #endif |
| 18033 | if (must_subst) { |
| 18034 | subst_asm_operands(operands, nb_operands, nb_outputs, &astr1, &astr); |
| 18035 | cstr_free(&astr); |
| 18036 | } else { |
| 18037 | astr1 = astr; |
| 18038 | } |
| 18039 | #ifdef ASM_DEBUG |
| 18040 | printf("subst_asm: \"%s\"\n", (char *)astr1.data); |
| 18041 | #endif |
| 18042 | |
| 18043 | /* generate loads */ |
| 18044 | asm_gen_code(operands, nb_operands, nb_outputs, 0, |
| 18045 | clobber_regs, out_reg); |
| 18046 | |
| 18047 | /* assemble the string with tcc internal assembler */ |
| 18048 | tcc_assemble_inline(tcc_state, astr1.data, astr1.size - 1); |
| 18049 | |
| 18050 | /* restore the current C token */ |
| 18051 | next(); |
| 18052 | |
| 18053 | /* store the output values if needed */ |
| 18054 | asm_gen_code(operands, nb_operands, nb_outputs, 1, |
| 18055 | clobber_regs, out_reg); |
| 18056 | |
| 18057 | /* free everything */ |
| 18058 | for(i=0;i<nb_operands;i++) { |
| 18059 | ASMOperand *op; |
| 18060 | op = &operands[i]; |
| 18061 | tcc_free(op->constraint); |
| 18062 | vpop(); |
| 18063 | } |
| 18064 | cstr_free(&astr1); |
| 18065 | } |
| 18066 | |
| 18067 | static void asm_global_instr(void) |
| 18068 | { |
| 18069 | CString astr; |
| 18070 | |
| 18071 | next(); |
| 18072 | parse_asm_str(&astr); |
| 18073 | skip(')'); |
| 18074 | /* NOTE: we do not eat the ';' so that we can restore the current |
| 18075 | token after the assembler parsing */ |
| 18076 | if (tok != ';') |
| 18077 | expect("';'"); |
| 18078 | |
| 18079 | #ifdef ASM_DEBUG |
| 18080 | printf("asm_global: \"%s\"\n", (char *)astr.data); |
| 18081 | #endif |
| 18082 | cur_text_section = text_section; |
| 18083 | ind = cur_text_section->data_offset; |
| 18084 | |
| 18085 | /* assemble the string with tcc internal assembler */ |
| 18086 | tcc_assemble_inline(tcc_state, astr.data, astr.size - 1); |
| 18087 | |
| 18088 | cur_text_section->data_offset = ind; |
| 18089 | |
| 18090 | /* restore the current C token */ |
| 18091 | next(); |
| 18092 | |
| 18093 | cstr_free(&astr); |
| 18094 | } |
| 18095 | //--------------------------------------------------------------------------- |
| 18096 | |
| 18097 | #else |
| 18098 | static void asm_instr(void) |
| 18099 | { |
| 18100 | error("inline asm() not supported"); |
| 18101 | } |
| 18102 | static void asm_global_instr(void) |
| 18103 | { |
| 18104 | error("inline asm() not supported"); |
| 18105 | } |
| 18106 | #endif |
| 18107 | |
| 18108 | // njn: inlined tccelf.c |
| 18109 | //#include "tccelf.c" |
| 18110 | //--------------------------------------------------------------------------- |
| 18111 | /* |
| 18112 | * ELF file handling for TCC |
| 18113 | * |
| 18114 | * Copyright (c) 2001-2004 Fabrice Bellard |
| 18115 | * |
| 18116 | * This library is free software; you can redistribute it and/or |
| 18117 | * modify it under the terms of the GNU Lesser General Public |
| 18118 | * License as published by the Free Software Foundation; either |
| 18119 | * version 2 of the License, or (at your option) any later version. |
| 18120 | * |
| 18121 | * This library is distributed in the hope that it will be useful, |
| 18122 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18123 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 18124 | * Lesser General Public License for more details. |
| 18125 | * |
| 18126 | * You should have received a copy of the GNU Lesser General Public |
| 18127 | * License along with this library; if not, write to the Free Software |
| 18128 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 18129 | */ |
| 18130 | |
| 18131 | static int put_elf_str(Section *s, const char *sym) |
| 18132 | { |
| 18133 | int offset, len; |
| 18134 | char *ptr; |
| 18135 | |
| 18136 | len = strlen(sym) + 1; |
| 18137 | offset = s->data_offset; |
| 18138 | ptr = section_ptr_add(s, len); |
| 18139 | memcpy(ptr, sym, len); |
| 18140 | return offset; |
| 18141 | } |
| 18142 | |
| 18143 | /* elf symbol hashing function */ |
| 18144 | static unsigned long elf_hash(const unsigned char *name) |
| 18145 | { |
| 18146 | unsigned long h = 0, g; |
| 18147 | |
| 18148 | while (*name) { |
| 18149 | h = (h << 4) + *name++; |
| 18150 | g = h & 0xf0000000; |
| 18151 | if (g) |
| 18152 | h ^= g >> 24; |
| 18153 | h &= ~g; |
| 18154 | } |
| 18155 | return h; |
| 18156 | } |
| 18157 | |
| 18158 | /* rebuild hash table of section s */ |
| 18159 | /* NOTE: we do factorize the hash table code to go faster */ |
| 18160 | static void rebuild_hash(Section *s, unsigned int nb_buckets) |
| 18161 | { |
| 18162 | Elf32_Sym *sym; |
| 18163 | int *ptr, *hash, nb_syms, sym_index, h; |
| 18164 | char *strtab; |
| 18165 | |
| 18166 | strtab = s->link->data; |
| 18167 | nb_syms = s->data_offset / sizeof(Elf32_Sym); |
| 18168 | |
| 18169 | s->hash->data_offset = 0; |
| 18170 | ptr = section_ptr_add(s->hash, (2 + nb_buckets + nb_syms) * sizeof(int)); |
| 18171 | ptr[0] = nb_buckets; |
| 18172 | ptr[1] = nb_syms; |
| 18173 | ptr += 2; |
| 18174 | hash = ptr; |
| 18175 | memset(hash, 0, (nb_buckets + 1) * sizeof(int)); |
| 18176 | ptr += nb_buckets + 1; |
| 18177 | |
| 18178 | sym = (Elf32_Sym *)s->data + 1; |
| 18179 | for(sym_index = 1; sym_index < nb_syms; sym_index++) { |
| 18180 | if (ELF32_ST_BIND(sym->st_info) != STB_LOCAL) { |
| 18181 | h = elf_hash(strtab + sym->st_name) % nb_buckets; |
| 18182 | *ptr = hash[h]; |
| 18183 | hash[h] = sym_index; |
| 18184 | } else { |
| 18185 | *ptr = 0; |
| 18186 | } |
| 18187 | ptr++; |
| 18188 | sym++; |
| 18189 | } |
| 18190 | } |
| 18191 | |
| 18192 | /* return the symbol number */ |
| 18193 | static int put_elf_sym(Section *s, |
| 18194 | unsigned long value, unsigned long size, |
| 18195 | int info, int other, int shndx, const char *name) |
| 18196 | { |
| 18197 | int name_offset, sym_index; |
| 18198 | int nbuckets, h; |
| 18199 | Elf32_Sym *sym; |
| 18200 | Section *hs; |
| 18201 | |
| 18202 | sym = section_ptr_add(s, sizeof(Elf32_Sym)); |
| 18203 | if (name) |
| 18204 | name_offset = put_elf_str(s->link, name); |
| 18205 | else |
| 18206 | name_offset = 0; |
| 18207 | /* XXX: endianness */ |
| 18208 | sym->st_name = name_offset; |
| 18209 | sym->st_value = value; |
| 18210 | sym->st_size = size; |
| 18211 | sym->st_info = info; |
| 18212 | sym->st_other = other; |
| 18213 | sym->st_shndx = shndx; |
| 18214 | sym_index = sym - (Elf32_Sym *)s->data; |
| 18215 | hs = s->hash; |
| 18216 | if (hs) { |
| 18217 | int *ptr, *base; |
| 18218 | ptr = section_ptr_add(hs, sizeof(int)); |
| 18219 | base = (int *)hs->data; |
| 18220 | /* only add global or weak symbols */ |
| 18221 | if (ELF32_ST_BIND(info) != STB_LOCAL) { |
| 18222 | /* add another hashing entry */ |
| 18223 | nbuckets = base[0]; |
| 18224 | h = elf_hash(name) % nbuckets; |
| 18225 | *ptr = base[2 + h]; |
| 18226 | base[2 + h] = sym_index; |
| 18227 | base[1]++; |
| 18228 | /* we resize the hash table */ |
| 18229 | hs->nb_hashed_syms++; |
| 18230 | if (hs->nb_hashed_syms > 2 * nbuckets) { |
| 18231 | rebuild_hash(s, 2 * nbuckets); |
| 18232 | } |
| 18233 | } else { |
| 18234 | *ptr = 0; |
| 18235 | base[1]++; |
| 18236 | } |
| 18237 | } |
| 18238 | return sym_index; |
| 18239 | } |
| 18240 | |
| 18241 | /* find global ELF symbol 'name' and return its index. Return 0 if not |
| 18242 | found. */ |
| 18243 | static int find_elf_sym(Section *s, const char *name) |
| 18244 | { |
| 18245 | Elf32_Sym *sym; |
| 18246 | Section *hs; |
| 18247 | int nbuckets, sym_index, h; |
| 18248 | const char *name1; |
| 18249 | |
| 18250 | hs = s->hash; |
| 18251 | if (!hs) |
| 18252 | return 0; |
| 18253 | nbuckets = ((int *)hs->data)[0]; |
| 18254 | h = elf_hash(name) % nbuckets; |
| 18255 | sym_index = ((int *)hs->data)[2 + h]; |
| 18256 | while (sym_index != 0) { |
| 18257 | sym = &((Elf32_Sym *)s->data)[sym_index]; |
| 18258 | name1 = s->link->data + sym->st_name; |
| 18259 | if (!strcmp(name, name1)) |
| 18260 | return sym_index; |
| 18261 | sym_index = ((int *)hs->data)[2 + nbuckets + sym_index]; |
| 18262 | } |
| 18263 | return 0; |
| 18264 | } |
| 18265 | |
| 18266 | /* return elf symbol value or error */ |
| 18267 | int tcc_get_symbol(TCCState *s, unsigned long *pval, const char *name) |
| 18268 | { |
| 18269 | int sym_index; |
| 18270 | Elf32_Sym *sym; |
| 18271 | |
| 18272 | sym_index = find_elf_sym(symtab_section, name); |
| 18273 | if (!sym_index) |
| 18274 | return -1; |
| 18275 | sym = &((Elf32_Sym *)symtab_section->data)[sym_index]; |
| 18276 | *pval = sym->st_value; |
| 18277 | return 0; |
| 18278 | } |
| 18279 | |
| 18280 | void *tcc_get_symbol_err(TCCState *s, const char *name) |
| 18281 | { |
| 18282 | unsigned long val; |
| 18283 | if (tcc_get_symbol(s, &val, name) < 0) |
| 18284 | error("%s not defined", name); |
| 18285 | return (void *)val; |
| 18286 | } |
| 18287 | |
| 18288 | /* add an elf symbol : check if it is already defined and patch |
| 18289 | it. Return symbol index. NOTE that sh_num can be SHN_UNDEF. */ |
| 18290 | static int add_elf_sym(Section *s, unsigned long value, unsigned long size, |
| 18291 | int info, int other, int sh_num, const char *name) |
| 18292 | { |
| 18293 | Elf32_Sym *esym; |
| 18294 | int sym_bind, sym_index, sym_type, esym_bind; |
| 18295 | |
| 18296 | sym_bind = ELF32_ST_BIND(info); |
| 18297 | sym_type = ELF32_ST_TYPE(info); |
| 18298 | |
| 18299 | if (sym_bind != STB_LOCAL) { |
| 18300 | /* we search global or weak symbols */ |
| 18301 | sym_index = find_elf_sym(s, name); |
| 18302 | if (!sym_index) |
| 18303 | goto do_def; |
| 18304 | esym = &((Elf32_Sym *)s->data)[sym_index]; |
| 18305 | if (esym->st_shndx != SHN_UNDEF) { |
| 18306 | esym_bind = ELF32_ST_BIND(esym->st_info); |
| 18307 | if (sh_num == SHN_UNDEF) { |
| 18308 | /* ignore adding of undefined symbol if the |
| 18309 | corresponding symbol is already defined */ |
| 18310 | } else if (sym_bind == STB_GLOBAL && esym_bind == STB_WEAK) { |
| 18311 | /* global overrides weak, so patch */ |
| 18312 | goto do_patch; |
| 18313 | } else if (sym_bind == STB_WEAK && esym_bind == STB_GLOBAL) { |
| 18314 | /* weak is ignored if already global */ |
| 18315 | } else { |
| 18316 | #if 0 |
| 18317 | printf("new_bind=%d new_shndx=%d last_bind=%d old_shndx=%d\n", |
| 18318 | sym_bind, sh_num, esym_bind, esym->st_shndx); |
| 18319 | #endif |
| 18320 | /* NOTE: we accept that two DLL define the same symbol */ |
| 18321 | if (s != tcc_state->dynsymtab_section) |
| 18322 | error_noabort("'%s' defined twice", name); |
| 18323 | } |
| 18324 | } else { |
| 18325 | do_patch: |
| 18326 | esym->st_info = ELF32_ST_INFO(sym_bind, sym_type); |
| 18327 | esym->st_shndx = sh_num; |
| 18328 | esym->st_value = value; |
| 18329 | esym->st_size = size; |
| 18330 | esym->st_other = other; |
| 18331 | } |
| 18332 | } else { |
| 18333 | do_def: |
| 18334 | sym_index = put_elf_sym(s, value, size, |
| 18335 | ELF32_ST_INFO(sym_bind, sym_type), other, |
| 18336 | sh_num, name); |
| 18337 | } |
| 18338 | return sym_index; |
| 18339 | } |
| 18340 | |
| 18341 | /* put relocation */ |
| 18342 | static void put_elf_reloc(Section *symtab, Section *s, unsigned long offset, |
| 18343 | int type, int symbol) |
| 18344 | { |
| 18345 | char buf[256]; |
| 18346 | Section *sr; |
| 18347 | Elf32_Rel *rel; |
| 18348 | |
| 18349 | sr = s->reloc; |
| 18350 | if (!sr) { |
| 18351 | /* if no relocation section, create it */ |
| 18352 | snprintf(buf, sizeof(buf), ".rel%s", s->name); |
| 18353 | /* if the symtab is allocated, then we consider the relocation |
| 18354 | are also */ |
| 18355 | sr = new_section(tcc_state, buf, SHT_REL, symtab->sh_flags); |
| 18356 | sr->sh_entsize = sizeof(Elf32_Rel); |
| 18357 | sr->link = symtab; |
| 18358 | sr->sh_info = s->sh_num; |
| 18359 | s->reloc = sr; |
| 18360 | } |
| 18361 | rel = section_ptr_add(sr, sizeof(Elf32_Rel)); |
| 18362 | rel->r_offset = offset; |
| 18363 | rel->r_info = ELF32_R_INFO(symbol, type); |
| 18364 | } |
| 18365 | |
| 18366 | /* put stab debug information */ |
| 18367 | |
| 18368 | typedef struct { |
| 18369 | unsigned long n_strx; /* index into string table of name */ |
| 18370 | unsigned char n_type; /* type of symbol */ |
| 18371 | unsigned char n_other; /* misc info (usually empty) */ |
| 18372 | unsigned short n_desc; /* description field */ |
| 18373 | unsigned long n_value; /* value of symbol */ |
| 18374 | } Stab_Sym; |
| 18375 | |
| 18376 | static void put_stabs(const char *str, int type, int other, int desc, |
| 18377 | unsigned long value) |
| 18378 | { |
| 18379 | Stab_Sym *sym; |
| 18380 | |
| 18381 | sym = section_ptr_add(stab_section, sizeof(Stab_Sym)); |
| 18382 | if (str) { |
| 18383 | sym->n_strx = put_elf_str(stabstr_section, str); |
| 18384 | } else { |
| 18385 | sym->n_strx = 0; |
| 18386 | } |
| 18387 | sym->n_type = type; |
| 18388 | sym->n_other = other; |
| 18389 | sym->n_desc = desc; |
| 18390 | sym->n_value = value; |
| 18391 | } |
| 18392 | |
| 18393 | static void put_stabs_r(const char *str, int type, int other, int desc, |
| 18394 | unsigned long value, Section *sec, int sym_index) |
| 18395 | { |
| 18396 | put_stabs(str, type, other, desc, value); |
| 18397 | put_elf_reloc(symtab_section, stab_section, |
| 18398 | stab_section->data_offset - sizeof(unsigned long), |
| 18399 | R_DATA_32, sym_index); |
| 18400 | } |
| 18401 | |
| 18402 | static void put_stabn(int type, int other, int desc, int value) |
| 18403 | { |
| 18404 | put_stabs(NULL, type, other, desc, value); |
| 18405 | } |
| 18406 | |
| 18407 | static void put_stabd(int type, int other, int desc) |
| 18408 | { |
| 18409 | put_stabs(NULL, type, other, desc, 0); |
| 18410 | } |
| 18411 | |
| 18412 | /* In an ELF file symbol table, the local symbols must appear below |
| 18413 | the global and weak ones. Since TCC cannot sort it while generating |
| 18414 | the code, we must do it after. All the relocation tables are also |
| 18415 | modified to take into account the symbol table sorting */ |
| 18416 | static void sort_syms(TCCState *s1, Section *s) |
| 18417 | { |
| 18418 | int *old_to_new_syms; |
| 18419 | Elf32_Sym *new_syms; |
| 18420 | int nb_syms, i; |
| 18421 | Elf32_Sym *p, *q; |
| 18422 | Elf32_Rel *rel, *rel_end; |
| 18423 | Section *sr; |
| 18424 | int type, sym_index; |
| 18425 | |
| 18426 | nb_syms = s->data_offset / sizeof(Elf32_Sym); |
| 18427 | new_syms = tcc_malloc(nb_syms * sizeof(Elf32_Sym)); |
| 18428 | old_to_new_syms = tcc_malloc(nb_syms * sizeof(int)); |
| 18429 | |
| 18430 | /* first pass for local symbols */ |
| 18431 | p = (Elf32_Sym *)s->data; |
| 18432 | q = new_syms; |
| 18433 | for(i = 0; i < nb_syms; i++) { |
| 18434 | if (ELF32_ST_BIND(p->st_info) == STB_LOCAL) { |
| 18435 | old_to_new_syms[i] = q - new_syms; |
| 18436 | *q++ = *p; |
| 18437 | } |
| 18438 | p++; |
| 18439 | } |
| 18440 | /* save the number of local symbols in section header */ |
| 18441 | s->sh_info = q - new_syms; |
| 18442 | |
| 18443 | /* then second pass for non local symbols */ |
| 18444 | p = (Elf32_Sym *)s->data; |
| 18445 | for(i = 0; i < nb_syms; i++) { |
| 18446 | if (ELF32_ST_BIND(p->st_info) != STB_LOCAL) { |
| 18447 | old_to_new_syms[i] = q - new_syms; |
| 18448 | *q++ = *p; |
| 18449 | } |
| 18450 | p++; |
| 18451 | } |
| 18452 | |
| 18453 | /* we copy the new symbols to the old */ |
| 18454 | memcpy(s->data, new_syms, nb_syms * sizeof(Elf32_Sym)); |
| 18455 | tcc_free(new_syms); |
| 18456 | |
| 18457 | /* now we modify all the relocations */ |
| 18458 | for(i = 1; i < s1->nb_sections; i++) { |
| 18459 | sr = s1->sections[i]; |
| 18460 | if (sr->sh_type == SHT_REL && sr->link == s) { |
| 18461 | rel_end = (Elf32_Rel *)(sr->data + sr->data_offset); |
| 18462 | for(rel = (Elf32_Rel *)sr->data; |
| 18463 | rel < rel_end; |
| 18464 | rel++) { |
| 18465 | sym_index = ELF32_R_SYM(rel->r_info); |
| 18466 | type = ELF32_R_TYPE(rel->r_info); |
| 18467 | sym_index = old_to_new_syms[sym_index]; |
| 18468 | rel->r_info = ELF32_R_INFO(sym_index, type); |
| 18469 | } |
| 18470 | } |
| 18471 | } |
| 18472 | |
| 18473 | tcc_free(old_to_new_syms); |
| 18474 | } |
| 18475 | |
| 18476 | /* relocate common symbols in the .bss section */ |
| 18477 | static void relocate_common_syms(void) |
| 18478 | { |
| 18479 | Elf32_Sym *sym, *sym_end; |
| 18480 | unsigned long offset, align; |
| 18481 | |
| 18482 | sym_end = (Elf32_Sym *)(symtab_section->data + symtab_section->data_offset); |
| 18483 | for(sym = (Elf32_Sym *)symtab_section->data + 1; |
| 18484 | sym < sym_end; |
| 18485 | sym++) { |
| 18486 | if (sym->st_shndx == SHN_COMMON) { |
| 18487 | /* align symbol */ |
| 18488 | align = sym->st_value; |
| 18489 | offset = bss_section->data_offset; |
| 18490 | offset = (offset + align - 1) & -align; |
| 18491 | sym->st_value = offset; |
| 18492 | sym->st_shndx = bss_section->sh_num; |
| 18493 | offset += sym->st_size; |
| 18494 | bss_section->data_offset = offset; |
| 18495 | } |
| 18496 | } |
| 18497 | } |
| 18498 | |
| 18499 | /* relocate symbol table, resolve undefined symbols if do_resolve is |
| 18500 | true and output error if undefined symbol. */ |
| 18501 | static void relocate_syms(TCCState *s1, int do_resolve) |
| 18502 | { |
| 18503 | Elf32_Sym *sym, *esym, *sym_end; |
| 18504 | int sym_bind, sh_num, sym_index; |
| 18505 | const char *name; |
| 18506 | unsigned long addr; |
| 18507 | |
| 18508 | sym_end = (Elf32_Sym *)(symtab_section->data + symtab_section->data_offset); |
| 18509 | for(sym = (Elf32_Sym *)symtab_section->data + 1; |
| 18510 | sym < sym_end; |
| 18511 | sym++) { |
| 18512 | sh_num = sym->st_shndx; |
| 18513 | if (sh_num == SHN_UNDEF) { |
| 18514 | name = strtab_section->data + sym->st_name; |
| 18515 | if (do_resolve) { |
| 18516 | name = symtab_section->link->data + sym->st_name; |
| 18517 | addr = (unsigned long)resolve_sym(s1, name, ELF32_ST_TYPE(sym->st_info)); |
| 18518 | if (addr) { |
| 18519 | sym->st_value = addr; |
| 18520 | goto found; |
| 18521 | } |
| 18522 | } else if (s1->dynsym) { |
| 18523 | /* if dynamic symbol exist, then use it */ |
| 18524 | sym_index = find_elf_sym(s1->dynsym, name); |
| 18525 | if (sym_index) { |
| 18526 | esym = &((Elf32_Sym *)s1->dynsym->data)[sym_index]; |
| 18527 | sym->st_value = esym->st_value; |
| 18528 | goto found; |
| 18529 | } |
| 18530 | } |
| 18531 | /* XXX: _fp_hw seems to be part of the ABI, so we ignore |
| 18532 | it */ |
| 18533 | if (!strcmp(name, "_fp_hw")) |
| 18534 | goto found; |
| 18535 | /* only weak symbols are accepted to be undefined. Their |
| 18536 | value is zero */ |
| 18537 | sym_bind = ELF32_ST_BIND(sym->st_info); |
| 18538 | if (sym_bind == STB_WEAK) { |
| 18539 | sym->st_value = 0; |
| 18540 | } else { |
| 18541 | error_noabort("undefined symbol '%s'", name); |
| 18542 | } |
| 18543 | } else if (sh_num < SHN_LORESERVE) { |
| 18544 | /* add section base */ |
| 18545 | sym->st_value += s1->sections[sym->st_shndx]->sh_addr; |
| 18546 | } |
| 18547 | found: ; |
| 18548 | } |
| 18549 | } |
| 18550 | |
| 18551 | /* relocate a given section (CPU dependent) */ |
| 18552 | static void relocate_section(TCCState *s1, Section *s) |
| 18553 | { |
| 18554 | Section *sr; |
| 18555 | Elf32_Rel *rel, *rel_end, *qrel; |
| 18556 | Elf32_Sym *sym; |
| 18557 | int type, sym_index; |
| 18558 | unsigned char *ptr; |
| 18559 | unsigned long val, addr; |
| 18560 | #if defined(TCC_TARGET_I386) |
| 18561 | int esym_index; |
| 18562 | #endif |
| 18563 | |
| 18564 | sr = s->reloc; |
| 18565 | rel_end = (Elf32_Rel *)(sr->data + sr->data_offset); |
| 18566 | qrel = (Elf32_Rel *)sr->data; |
| 18567 | for(rel = qrel; |
| 18568 | rel < rel_end; |
| 18569 | rel++) { |
| 18570 | ptr = s->data + rel->r_offset; |
| 18571 | |
| 18572 | sym_index = ELF32_R_SYM(rel->r_info); |
| 18573 | sym = &((Elf32_Sym *)symtab_section->data)[sym_index]; |
| 18574 | val = sym->st_value; |
| 18575 | type = ELF32_R_TYPE(rel->r_info); |
| 18576 | addr = s->sh_addr + rel->r_offset; |
| 18577 | |
| 18578 | /* CPU specific */ |
| 18579 | switch(type) { |
| 18580 | #if defined(TCC_TARGET_I386) |
| 18581 | case R_386_32: |
| 18582 | if (s1->output_type == TCC_OUTPUT_DLL) { |
| 18583 | esym_index = s1->symtab_to_dynsym[sym_index]; |
| 18584 | qrel->r_offset = rel->r_offset; |
| 18585 | if (esym_index) { |
| 18586 | qrel->r_info = ELF32_R_INFO(esym_index, R_386_32); |
| 18587 | qrel++; |
| 18588 | break; |
| 18589 | } else { |
| 18590 | qrel->r_info = ELF32_R_INFO(0, R_386_RELATIVE); |
| 18591 | qrel++; |
| 18592 | } |
| 18593 | } |
| 18594 | *(int *)ptr += val; |
| 18595 | break; |
| 18596 | case R_386_PC32: |
| 18597 | if (s1->output_type == TCC_OUTPUT_DLL) { |
| 18598 | /* DLL relocation */ |
| 18599 | esym_index = s1->symtab_to_dynsym[sym_index]; |
| 18600 | if (esym_index) { |
| 18601 | qrel->r_offset = rel->r_offset; |
| 18602 | qrel->r_info = ELF32_R_INFO(esym_index, R_386_PC32); |
| 18603 | qrel++; |
| 18604 | break; |
| 18605 | } |
| 18606 | } |
| 18607 | *(int *)ptr += val - addr; |
| 18608 | break; |
| 18609 | case R_386_PLT32: |
| 18610 | *(int *)ptr += val - addr; |
| 18611 | break; |
| 18612 | case R_386_GLOB_DAT: |
| 18613 | case R_386_JMP_SLOT: |
| 18614 | *(int *)ptr = val; |
| 18615 | break; |
| 18616 | case R_386_GOTPC: |
| 18617 | *(int *)ptr += s1->got->sh_addr - addr; |
| 18618 | break; |
| 18619 | case R_386_GOTOFF: |
| 18620 | *(int *)ptr += val - s1->got->sh_addr; |
| 18621 | break; |
| 18622 | case R_386_GOT32: |
| 18623 | /* we load the got offset */ |
| 18624 | *(int *)ptr += s1->got_offsets[sym_index]; |
| 18625 | break; |
| 18626 | #elif defined(TCC_TARGET_ARM) |
| 18627 | case R_ARM_PC24: |
| 18628 | case R_ARM_PLT32: |
| 18629 | { |
| 18630 | int x; |
| 18631 | x = (*(int *)ptr)&0xffffff; |
| 18632 | (*(int *)ptr) &= 0xff000000; |
| 18633 | if (x & 0x800000) |
| 18634 | x -= 0x1000000; |
| 18635 | x *= 4; |
| 18636 | x += val - addr; |
| 18637 | if((x & 3) != 0 || x >= 0x4000000 || x < -0x4000000) |
| 18638 | error("can't relocate value at %x",addr); |
| 18639 | x >>= 2; |
| 18640 | x &= 0xffffff; |
| 18641 | (*(int *)ptr) |= x; |
| 18642 | } |
| 18643 | break; |
| 18644 | case R_ARM_ABS32: |
| 18645 | *(int *)ptr += val; |
| 18646 | break; |
| 18647 | case R_ARM_GOTPC: |
| 18648 | *(int *)ptr += s1->got->sh_addr - addr; |
| 18649 | break; |
| 18650 | case R_ARM_GOT32: |
| 18651 | /* we load the got offset */ |
| 18652 | *(int *)ptr += s1->got_offsets[sym_index]; |
| 18653 | break; |
| 18654 | case R_ARM_COPY: |
| 18655 | break; |
| 18656 | default: |
| 18657 | fprintf(stderr,"FIXME: handle reloc type %x at %lx [%.8x] to %lx\n", |
| 18658 | type,addr,(unsigned int )ptr,val); |
| 18659 | break; |
| 18660 | #elif defined(TCC_TARGET_C67) |
| 18661 | case R_C60_32: |
| 18662 | *(int *)ptr += val; |
| 18663 | break; |
| 18664 | case R_C60LO16: |
| 18665 | { |
| 18666 | uint32_t orig; |
| 18667 | |
| 18668 | /* put the low 16 bits of the absolute address */ |
| 18669 | // add to what is already there |
| 18670 | |
| 18671 | orig = ((*(int *)(ptr )) >> 7) & 0xffff; |
| 18672 | orig |= (((*(int *)(ptr+4)) >> 7) & 0xffff) << 16; |
| 18673 | |
| 18674 | //patch both at once - assumes always in pairs Low - High |
| 18675 | |
| 18676 | *(int *) ptr = (*(int *) ptr & (~(0xffff << 7)) ) | (((val+orig) & 0xffff) << 7); |
| 18677 | *(int *)(ptr+4) = (*(int *)(ptr+4) & (~(0xffff << 7)) ) | ((((val+orig)>>16) & 0xffff) << 7); |
| 18678 | } |
| 18679 | break; |
| 18680 | case R_C60HI16: |
| 18681 | break; |
| 18682 | default: |
| 18683 | fprintf(stderr,"FIXME: handle reloc type %x at %lx [%.8x] to %lx\n", |
| 18684 | type,addr,(unsigned int )ptr,val); |
| 18685 | break; |
| 18686 | #else |
| 18687 | #error unsupported processor |
| 18688 | #endif |
| 18689 | } |
| 18690 | } |
| 18691 | /* if the relocation is allocated, we change its symbol table */ |
| 18692 | if (sr->sh_flags & SHF_ALLOC) |
| 18693 | sr->link = s1->dynsym; |
| 18694 | } |
| 18695 | |
| 18696 | /* relocate relocation table in 'sr' */ |
| 18697 | static void relocate_rel(TCCState *s1, Section *sr) |
| 18698 | { |
| 18699 | Section *s; |
| 18700 | Elf32_Rel *rel, *rel_end; |
| 18701 | |
| 18702 | s = s1->sections[sr->sh_info]; |
| 18703 | rel_end = (Elf32_Rel *)(sr->data + sr->data_offset); |
| 18704 | for(rel = (Elf32_Rel *)sr->data; |
| 18705 | rel < rel_end; |
| 18706 | rel++) { |
| 18707 | rel->r_offset += s->sh_addr; |
| 18708 | } |
| 18709 | } |
| 18710 | |
| 18711 | /* count the number of dynamic relocations so that we can reserve |
| 18712 | their space */ |
| 18713 | static int prepare_dynamic_rel(TCCState *s1, Section *sr) |
| 18714 | { |
| 18715 | Elf32_Rel *rel, *rel_end; |
| 18716 | int sym_index, esym_index, type, count; |
| 18717 | |
| 18718 | count = 0; |
| 18719 | rel_end = (Elf32_Rel *)(sr->data + sr->data_offset); |
| 18720 | for(rel = (Elf32_Rel *)sr->data; rel < rel_end; rel++) { |
| 18721 | sym_index = ELF32_R_SYM(rel->r_info); |
| 18722 | type = ELF32_R_TYPE(rel->r_info); |
| 18723 | switch(type) { |
| 18724 | case R_386_32: |
| 18725 | count++; |
| 18726 | break; |
| 18727 | case R_386_PC32: |
| 18728 | esym_index = s1->symtab_to_dynsym[sym_index]; |
| 18729 | if (esym_index) |
| 18730 | count++; |
| 18731 | break; |
| 18732 | default: |
| 18733 | break; |
| 18734 | } |
| 18735 | } |
| 18736 | if (count) { |
| 18737 | /* allocate the section */ |
| 18738 | sr->sh_flags |= SHF_ALLOC; |
| 18739 | sr->sh_size = count * sizeof(Elf32_Rel); |
| 18740 | } |
| 18741 | return count; |
| 18742 | } |
| 18743 | |
| 18744 | static void put_got_offset(TCCState *s1, int index, unsigned long val) |
| 18745 | { |
| 18746 | int n; |
| 18747 | unsigned long *tab; |
| 18748 | |
| 18749 | if (index >= s1->nb_got_offsets) { |
| 18750 | /* find immediately bigger power of 2 and reallocate array */ |
| 18751 | n = 1; |
| 18752 | while (index >= n) |
| 18753 | n *= 2; |
| 18754 | tab = tcc_realloc(s1->got_offsets, n * sizeof(unsigned long)); |
| 18755 | if (!tab) |
| 18756 | error("memory full"); |
| 18757 | s1->got_offsets = tab; |
| 18758 | memset(s1->got_offsets + s1->nb_got_offsets, 0, |
| 18759 | (n - s1->nb_got_offsets) * sizeof(unsigned long)); |
| 18760 | s1->nb_got_offsets = n; |
| 18761 | } |
| 18762 | s1->got_offsets[index] = val; |
| 18763 | } |
| 18764 | |
| 18765 | /* XXX: suppress that */ |
| 18766 | static void put32(unsigned char *p, uint32_t val) |
| 18767 | { |
| 18768 | p[0] = val; |
| 18769 | p[1] = val >> 8; |
| 18770 | p[2] = val >> 16; |
| 18771 | p[3] = val >> 24; |
| 18772 | } |
| 18773 | |
| 18774 | #if defined(TCC_TARGET_I386) || defined(TCC_TARGET_ARM) |
| 18775 | static uint32_t get32(unsigned char *p) |
| 18776 | { |
| 18777 | return p[0] | (p[1] << 8) | (p[2] << 16) | (p[3] << 24); |
| 18778 | } |
| 18779 | #endif |
| 18780 | |
| 18781 | static void build_got(TCCState *s1) |
| 18782 | { |
| 18783 | unsigned char *ptr; |
| 18784 | |
| 18785 | /* if no got, then create it */ |
| 18786 | s1->got = new_section(s1, ".got", SHT_PROGBITS, SHF_ALLOC | SHF_WRITE); |
| 18787 | s1->got->sh_entsize = 4; |
| 18788 | add_elf_sym(symtab_section, 0, 4, ELF32_ST_INFO(STB_GLOBAL, STT_OBJECT), |
| 18789 | 0, s1->got->sh_num, "_GLOBAL_OFFSET_TABLE_"); |
| 18790 | ptr = section_ptr_add(s1->got, 3 * sizeof(int)); |
| 18791 | /* keep space for _DYNAMIC pointer, if present */ |
| 18792 | put32(ptr, 0); |
| 18793 | /* two dummy got entries */ |
| 18794 | put32(ptr + 4, 0); |
| 18795 | put32(ptr + 8, 0); |
| 18796 | } |
| 18797 | |
| 18798 | /* put a got entry corresponding to a symbol in symtab_section. 'size' |
| 18799 | and 'info' can be modifed if more precise info comes from the DLL */ |
| 18800 | static void put_got_entry(TCCState *s1, |
| 18801 | int reloc_type, unsigned long size, int info, |
| 18802 | int sym_index) |
| 18803 | { |
| 18804 | int index; |
| 18805 | const char *name; |
| 18806 | Elf32_Sym *sym; |
| 18807 | unsigned long offset; |
| 18808 | int *ptr; |
| 18809 | |
| 18810 | if (!s1->got) |
| 18811 | build_got(s1); |
| 18812 | |
| 18813 | /* if a got entry already exists for that symbol, no need to add one */ |
| 18814 | if (sym_index < s1->nb_got_offsets && |
| 18815 | s1->got_offsets[sym_index] != 0) |
| 18816 | return; |
| 18817 | |
| 18818 | put_got_offset(s1, sym_index, s1->got->data_offset); |
| 18819 | |
| 18820 | if (s1->dynsym) { |
| 18821 | sym = &((Elf32_Sym *)symtab_section->data)[sym_index]; |
| 18822 | name = symtab_section->link->data + sym->st_name; |
| 18823 | offset = sym->st_value; |
| 18824 | #ifdef TCC_TARGET_I386 |
| 18825 | if (reloc_type == R_386_JMP_SLOT) { |
| 18826 | Section *plt; |
| 18827 | uint8_t *p; |
| 18828 | int modrm; |
| 18829 | |
| 18830 | /* if we build a DLL, we add a %ebx offset */ |
| 18831 | if (s1->output_type == TCC_OUTPUT_DLL) |
| 18832 | modrm = 0xa3; |
| 18833 | else |
| 18834 | modrm = 0x25; |
| 18835 | |
| 18836 | /* add a PLT entry */ |
| 18837 | plt = s1->plt; |
| 18838 | if (plt->data_offset == 0) { |
| 18839 | /* first plt entry */ |
| 18840 | p = section_ptr_add(plt, 16); |
| 18841 | p[0] = 0xff; /* pushl got + 4 */ |
| 18842 | p[1] = modrm + 0x10; |
| 18843 | put32(p + 2, 4); |
| 18844 | p[6] = 0xff; /* jmp *(got + 8) */ |
| 18845 | p[7] = modrm; |
| 18846 | put32(p + 8, 8); |
| 18847 | } |
| 18848 | |
| 18849 | p = section_ptr_add(plt, 16); |
| 18850 | p[0] = 0xff; /* jmp *(got + x) */ |
| 18851 | p[1] = modrm; |
| 18852 | put32(p + 2, s1->got->data_offset); |
| 18853 | p[6] = 0x68; /* push $xxx */ |
| 18854 | put32(p + 7, (plt->data_offset - 32) >> 1); |
| 18855 | p[11] = 0xe9; /* jmp plt_start */ |
| 18856 | put32(p + 12, -(plt->data_offset)); |
| 18857 | |
| 18858 | /* the symbol is modified so that it will be relocated to |
| 18859 | the PLT */ |
| 18860 | if (s1->output_type == TCC_OUTPUT_EXE) |
| 18861 | offset = plt->data_offset - 16; |
| 18862 | } |
| 18863 | #elif defined(TCC_TARGET_ARM) |
| 18864 | if (reloc_type == R_ARM_JUMP_SLOT) { |
| 18865 | Section *plt; |
| 18866 | uint8_t *p; |
| 18867 | |
| 18868 | /* if we build a DLL, we add a %ebx offset */ |
| 18869 | if (s1->output_type == TCC_OUTPUT_DLL) |
| 18870 | error("DLLs unimplemented!"); |
| 18871 | |
| 18872 | /* add a PLT entry */ |
| 18873 | plt = s1->plt; |
| 18874 | if (plt->data_offset == 0) { |
| 18875 | /* first plt entry */ |
| 18876 | p = section_ptr_add(plt, 16); |
| 18877 | put32(p , 0xe52de004); |
| 18878 | put32(p + 4, 0xe59fe010); |
| 18879 | put32(p + 8, 0xe08fe00e); |
| 18880 | put32(p + 12, 0xe5bef008); |
| 18881 | } |
| 18882 | |
| 18883 | p = section_ptr_add(plt, 16); |
| 18884 | put32(p , 0xe59fc004); |
| 18885 | put32(p+4, 0xe08fc00c); |
| 18886 | put32(p+8, 0xe59cf000); |
| 18887 | put32(p+12, s1->got->data_offset); |
| 18888 | |
| 18889 | /* the symbol is modified so that it will be relocated to |
| 18890 | the PLT */ |
| 18891 | if (s1->output_type == TCC_OUTPUT_EXE) |
| 18892 | offset = plt->data_offset - 16; |
| 18893 | } |
| 18894 | #elif defined(TCC_TARGET_C67) |
| 18895 | error("C67 got not implemented"); |
| 18896 | #else |
| 18897 | #error unsupported CPU |
| 18898 | #endif |
| 18899 | index = put_elf_sym(s1->dynsym, offset, |
| 18900 | size, info, 0, sym->st_shndx, name); |
| 18901 | /* put a got entry */ |
| 18902 | put_elf_reloc(s1->dynsym, s1->got, |
| 18903 | s1->got->data_offset, |
| 18904 | reloc_type, index); |
| 18905 | } |
| 18906 | ptr = section_ptr_add(s1->got, sizeof(int)); |
| 18907 | *ptr = 0; |
| 18908 | } |
| 18909 | |
| 18910 | /* build GOT and PLT entries */ |
| 18911 | static void build_got_entries(TCCState *s1) |
| 18912 | { |
| 18913 | Section *s, *symtab; |
| 18914 | Elf32_Rel *rel, *rel_end; |
| 18915 | Elf32_Sym *sym; |
| 18916 | int i, type, reloc_type, sym_index; |
| 18917 | |
| 18918 | for(i = 1; i < s1->nb_sections; i++) { |
| 18919 | s = s1->sections[i]; |
| 18920 | if (s->sh_type != SHT_REL) |
| 18921 | continue; |
| 18922 | /* no need to handle got relocations */ |
| 18923 | if (s->link != symtab_section) |
| 18924 | continue; |
| 18925 | symtab = s->link; |
| 18926 | rel_end = (Elf32_Rel *)(s->data + s->data_offset); |
| 18927 | for(rel = (Elf32_Rel *)s->data; |
| 18928 | rel < rel_end; |
| 18929 | rel++) { |
| 18930 | type = ELF32_R_TYPE(rel->r_info); |
| 18931 | switch(type) { |
| 18932 | #if defined(TCC_TARGET_I386) |
| 18933 | case R_386_GOT32: |
| 18934 | case R_386_GOTOFF: |
| 18935 | case R_386_GOTPC: |
| 18936 | case R_386_PLT32: |
| 18937 | if (!s1->got) |
| 18938 | build_got(s1); |
| 18939 | if (type == R_386_GOT32 || type == R_386_PLT32) { |
| 18940 | sym_index = ELF32_R_SYM(rel->r_info); |
| 18941 | sym = &((Elf32_Sym *)symtab_section->data)[sym_index]; |
| 18942 | /* look at the symbol got offset. If none, then add one */ |
| 18943 | if (type == R_386_GOT32) |
| 18944 | reloc_type = R_386_GLOB_DAT; |
| 18945 | else |
| 18946 | reloc_type = R_386_JMP_SLOT; |
| 18947 | put_got_entry(s1, reloc_type, sym->st_size, sym->st_info, |
| 18948 | sym_index); |
| 18949 | } |
| 18950 | break; |
| 18951 | #elif defined(TCC_TARGET_ARM) |
| 18952 | case R_ARM_GOT32: |
| 18953 | case R_ARM_GOTOFF: |
| 18954 | case R_ARM_GOTPC: |
| 18955 | case R_ARM_PLT32: |
| 18956 | if (!s1->got) |
| 18957 | build_got(s1); |
| 18958 | if (type == R_ARM_GOT32 || type == R_ARM_PLT32) { |
| 18959 | sym_index = ELF32_R_SYM(rel->r_info); |
| 18960 | sym = &((Elf32_Sym *)symtab_section->data)[sym_index]; |
| 18961 | /* look at the symbol got offset. If none, then add one */ |
| 18962 | if (type == R_ARM_GOT32) |
| 18963 | reloc_type = R_ARM_GLOB_DAT; |
| 18964 | else |
| 18965 | reloc_type = R_ARM_JUMP_SLOT; |
| 18966 | put_got_entry(s1, reloc_type, sym->st_size, sym->st_info, |
| 18967 | sym_index); |
| 18968 | } |
| 18969 | break; |
| 18970 | #elif defined(TCC_TARGET_C67) |
| 18971 | case R_C60_GOT32: |
| 18972 | case R_C60_GOTOFF: |
| 18973 | case R_C60_GOTPC: |
| 18974 | case R_C60_PLT32: |
| 18975 | if (!s1->got) |
| 18976 | build_got(s1); |
| 18977 | if (type == R_C60_GOT32 || type == R_C60_PLT32) { |
| 18978 | sym_index = ELF32_R_SYM(rel->r_info); |
| 18979 | sym = &((Elf32_Sym *)symtab_section->data)[sym_index]; |
| 18980 | /* look at the symbol got offset. If none, then add one */ |
| 18981 | if (type == R_C60_GOT32) |
| 18982 | reloc_type = R_C60_GLOB_DAT; |
| 18983 | else |
| 18984 | reloc_type = R_C60_JMP_SLOT; |
| 18985 | put_got_entry(s1, reloc_type, sym->st_size, sym->st_info, |
| 18986 | sym_index); |
| 18987 | } |
| 18988 | break; |
| 18989 | #else |
| 18990 | #error unsupported CPU |
| 18991 | #endif |
| 18992 | default: |
| 18993 | break; |
| 18994 | } |
| 18995 | } |
| 18996 | } |
| 18997 | } |
| 18998 | |
| 18999 | static Section *new_symtab(TCCState *s1, |
| 19000 | const char *symtab_name, int sh_type, int sh_flags, |
| 19001 | const char *strtab_name, |
| 19002 | const char *hash_name, int hash_sh_flags) |
| 19003 | { |
| 19004 | Section *symtab, *strtab, *hash; |
| 19005 | int *ptr, nb_buckets; |
| 19006 | |
| 19007 | symtab = new_section(s1, symtab_name, sh_type, sh_flags); |
| 19008 | symtab->sh_entsize = sizeof(Elf32_Sym); |
| 19009 | strtab = new_section(s1, strtab_name, SHT_STRTAB, sh_flags); |
| 19010 | put_elf_str(strtab, ""); |
| 19011 | symtab->link = strtab; |
| 19012 | put_elf_sym(symtab, 0, 0, 0, 0, 0, NULL); |
| 19013 | |
| 19014 | nb_buckets = 1; |
| 19015 | |
| 19016 | hash = new_section(s1, hash_name, SHT_HASH, hash_sh_flags); |
| 19017 | hash->sh_entsize = sizeof(int); |
| 19018 | symtab->hash = hash; |
| 19019 | hash->link = symtab; |
| 19020 | |
| 19021 | ptr = section_ptr_add(hash, (2 + nb_buckets + 1) * sizeof(int)); |
| 19022 | ptr[0] = nb_buckets; |
| 19023 | ptr[1] = 1; |
| 19024 | memset(ptr + 2, 0, (nb_buckets + 1) * sizeof(int)); |
| 19025 | return symtab; |
| 19026 | } |
| 19027 | |
| 19028 | /* put dynamic tag */ |
| 19029 | static void put_dt(Section *dynamic, int dt, unsigned long val) |
| 19030 | { |
| 19031 | Elf32_Dyn *dyn; |
| 19032 | dyn = section_ptr_add(dynamic, sizeof(Elf32_Dyn)); |
| 19033 | dyn->d_tag = dt; |
| 19034 | dyn->d_un.d_val = val; |
| 19035 | } |
| 19036 | |
| 19037 | static void add_init_array_defines(TCCState *s1, const char *section_name) |
| 19038 | { |
| 19039 | Section *s; |
| 19040 | long end_offset; |
| 19041 | char sym_start[1024]; |
| 19042 | char sym_end[1024]; |
| 19043 | |
| 19044 | snprintf(sym_start, sizeof(sym_start), "__%s_start", section_name + 1); |
| 19045 | snprintf(sym_end, sizeof(sym_end), "__%s_end", section_name + 1); |
| 19046 | |
| 19047 | s = find_section(s1, section_name); |
| 19048 | if (!s) { |
| 19049 | end_offset = 0; |
| 19050 | s = data_section; |
| 19051 | } else { |
| 19052 | end_offset = s->data_offset; |
| 19053 | } |
| 19054 | |
| 19055 | add_elf_sym(symtab_section, |
| 19056 | 0, 0, |
| 19057 | ELF32_ST_INFO(STB_GLOBAL, STT_NOTYPE), 0, |
| 19058 | s->sh_num, sym_start); |
| 19059 | add_elf_sym(symtab_section, |
| 19060 | end_offset, 0, |
| 19061 | ELF32_ST_INFO(STB_GLOBAL, STT_NOTYPE), 0, |
| 19062 | s->sh_num, sym_end); |
| 19063 | } |
| 19064 | |
| 19065 | /* add tcc runtime libraries */ |
| 19066 | static void tcc_add_runtime(TCCState *s1) |
| 19067 | { |
| 19068 | char buf[1024]; |
| 19069 | |
| 19070 | #ifdef CONFIG_TCC_BCHECK |
| 19071 | if (do_bounds_check) { |
| 19072 | unsigned long *ptr; |
| 19073 | Section *init_section; |
| 19074 | unsigned char *pinit; |
| 19075 | int sym_index; |
| 19076 | |
| 19077 | /* XXX: add an object file to do that */ |
| 19078 | ptr = section_ptr_add(bounds_section, sizeof(unsigned long)); |
| 19079 | *ptr = 0; |
| 19080 | add_elf_sym(symtab_section, 0, 0, |
| 19081 | ELF32_ST_INFO(STB_GLOBAL, STT_NOTYPE), 0, |
| 19082 | bounds_section->sh_num, "__bounds_start"); |
| 19083 | /* add bound check code */ |
| 19084 | snprintf(buf, sizeof(buf), "%s/%s", tcc_lib_path, "bcheck.o"); |
| 19085 | tcc_add_file(s1, buf); |
| 19086 | #ifdef TCC_TARGET_I386 |
| 19087 | if (s1->output_type != TCC_OUTPUT_MEMORY) { |
| 19088 | /* add 'call __bound_init()' in .init section */ |
| 19089 | init_section = find_section(s1, ".init"); |
| 19090 | pinit = section_ptr_add(init_section, 5); |
| 19091 | pinit[0] = 0xe8; |
| 19092 | put32(pinit + 1, -4); |
| 19093 | sym_index = find_elf_sym(symtab_section, "__bound_init"); |
| 19094 | put_elf_reloc(symtab_section, init_section, |
| 19095 | init_section->data_offset - 4, R_386_PC32, sym_index); |
| 19096 | } |
| 19097 | #endif |
| 19098 | } |
| 19099 | #endif |
| 19100 | /* add libc */ |
| 19101 | if (!s1->nostdlib) { |
| 19102 | tcc_add_library(s1, "c"); |
| 19103 | |
| 19104 | snprintf(buf, sizeof(buf), "%s/%s", tcc_lib_path, "libtcc1.a"); |
| 19105 | tcc_add_file(s1, buf); |
| 19106 | } |
| 19107 | /* add crt end if not memory output */ |
| 19108 | if (s1->output_type != TCC_OUTPUT_MEMORY && !s1->nostdlib) { |
| 19109 | tcc_add_file(s1, CONFIG_TCC_CRT_PREFIX "/crtn.o"); |
| 19110 | } |
| 19111 | } |
| 19112 | |
| 19113 | /* add various standard linker symbols (must be done after the |
| 19114 | sections are filled (for example after allocating common |
| 19115 | symbols)) */ |
| 19116 | static void tcc_add_linker_symbols(TCCState *s1) |
| 19117 | { |
| 19118 | char buf[1024]; |
| 19119 | int i; |
| 19120 | Section *s; |
| 19121 | |
| 19122 | add_elf_sym(symtab_section, |
| 19123 | text_section->data_offset, 0, |
| 19124 | ELF32_ST_INFO(STB_GLOBAL, STT_NOTYPE), 0, |
| 19125 | text_section->sh_num, "_etext"); |
| 19126 | add_elf_sym(symtab_section, |
| 19127 | data_section->data_offset, 0, |
| 19128 | ELF32_ST_INFO(STB_GLOBAL, STT_NOTYPE), 0, |
| 19129 | data_section->sh_num, "_edata"); |
| 19130 | add_elf_sym(symtab_section, |
| 19131 | bss_section->data_offset, 0, |
| 19132 | ELF32_ST_INFO(STB_GLOBAL, STT_NOTYPE), 0, |
| 19133 | bss_section->sh_num, "_end"); |
| 19134 | /* horrible new standard ldscript defines */ |
| 19135 | add_init_array_defines(s1, ".preinit_array"); |
| 19136 | add_init_array_defines(s1, ".init_array"); |
| 19137 | add_init_array_defines(s1, ".fini_array"); |
| 19138 | |
| 19139 | /* add start and stop symbols for sections whose name can be |
| 19140 | expressed in C */ |
| 19141 | for(i = 1; i < s1->nb_sections; i++) { |
| 19142 | s = s1->sections[i]; |
| 19143 | if (s->sh_type == SHT_PROGBITS && |
| 19144 | (s->sh_flags & SHF_ALLOC)) { |
| 19145 | const char *p; |
| 19146 | int ch; |
| 19147 | |
| 19148 | /* check if section name can be expressed in C */ |
| 19149 | p = s->name; |
| 19150 | for(;;) { |
| 19151 | ch = *p; |
| 19152 | if (!ch) |
| 19153 | break; |
| 19154 | if (!isid(ch) && !isnum(ch)) |
| 19155 | goto next_sec; |
| 19156 | p++; |
| 19157 | } |
| 19158 | snprintf(buf, sizeof(buf), "__start_%s", s->name); |
| 19159 | add_elf_sym(symtab_section, |
| 19160 | 0, 0, |
| 19161 | ELF32_ST_INFO(STB_GLOBAL, STT_NOTYPE), 0, |
| 19162 | s->sh_num, buf); |
| 19163 | snprintf(buf, sizeof(buf), "__stop_%s", s->name); |
| 19164 | add_elf_sym(symtab_section, |
| 19165 | s->data_offset, 0, |
| 19166 | ELF32_ST_INFO(STB_GLOBAL, STT_NOTYPE), 0, |
| 19167 | s->sh_num, buf); |
| 19168 | } |
| 19169 | next_sec: ; |
| 19170 | } |
| 19171 | } |
| 19172 | |
| 19173 | /* name of ELF interpreter */ |
| 19174 | #ifdef __FreeBSD__ |
| 19175 | static char elf_interp[] = "/usr/libexec/ld-elf.so.1"; |
| 19176 | #else |
| 19177 | static char elf_interp[] = "/lib/ld-linux.so.2"; |
| 19178 | #endif |
| 19179 | |
| 19180 | static void tcc_output_binary(TCCState *s1, FILE *f, |
| 19181 | const int *section_order) |
| 19182 | { |
| 19183 | Section *s; |
| 19184 | int i, offset, size; |
| 19185 | |
| 19186 | offset = 0; |
| 19187 | for(i=1;i<s1->nb_sections;i++) { |
| 19188 | s = s1->sections[section_order[i]]; |
| 19189 | if (s->sh_type != SHT_NOBITS && |
| 19190 | (s->sh_flags & SHF_ALLOC)) { |
| 19191 | while (offset < s->sh_offset) { |
| 19192 | fputc(0, f); |
| 19193 | offset++; |
| 19194 | } |
| 19195 | size = s->sh_size; |
| 19196 | fwrite(s->data, 1, size, f); |
| 19197 | offset += size; |
| 19198 | } |
| 19199 | } |
| 19200 | } |
| 19201 | |
| 19202 | /* output an ELF file */ |
| 19203 | /* XXX: suppress unneeded sections */ |
| 19204 | int tcc_output_file(TCCState *s1, const char *filename) |
| 19205 | { |
| 19206 | Elf32_Ehdr ehdr; |
| 19207 | FILE *f; |
| 19208 | int fd, mode, ret; |
| 19209 | int *section_order; |
| 19210 | int shnum, i, phnum, file_offset, offset, size, j, tmp, sh_order_index, k; |
| 19211 | unsigned long addr; |
| 19212 | Section *strsec, *s; |
| 19213 | Elf32_Shdr shdr, *sh; |
| 19214 | Elf32_Phdr *phdr, *ph; |
| 19215 | Section *interp, *dynamic, *dynstr; |
| 19216 | unsigned long saved_dynamic_data_offset; |
| 19217 | Elf32_Sym *sym; |
| 19218 | int type, file_type; |
| 19219 | unsigned long rel_addr, rel_size; |
| 19220 | |
| 19221 | file_type = s1->output_type; |
| 19222 | s1->nb_errors = 0; |
| 19223 | |
| 19224 | if (file_type != TCC_OUTPUT_OBJ) { |
| 19225 | tcc_add_runtime(s1); |
| 19226 | } |
| 19227 | |
| 19228 | phdr = NULL; |
| 19229 | section_order = NULL; |
| 19230 | interp = NULL; |
| 19231 | dynamic = NULL; |
| 19232 | dynstr = NULL; /* avoid warning */ |
| 19233 | saved_dynamic_data_offset = 0; /* avoid warning */ |
| 19234 | |
| 19235 | if (file_type != TCC_OUTPUT_OBJ) { |
| 19236 | relocate_common_syms(); |
| 19237 | |
| 19238 | tcc_add_linker_symbols(s1); |
| 19239 | |
| 19240 | if (!s1->static_link) { |
| 19241 | const char *name; |
| 19242 | int sym_index, index; |
| 19243 | Elf32_Sym *esym, *sym_end; |
| 19244 | |
| 19245 | if (file_type == TCC_OUTPUT_EXE) { |
| 19246 | char *ptr; |
| 19247 | /* add interpreter section only if executable */ |
| 19248 | interp = new_section(s1, ".interp", SHT_PROGBITS, SHF_ALLOC); |
| 19249 | interp->sh_addralign = 1; |
| 19250 | ptr = section_ptr_add(interp, sizeof(elf_interp)); |
| 19251 | strcpy(ptr, elf_interp); |
| 19252 | } |
| 19253 | |
| 19254 | /* add dynamic symbol table */ |
| 19255 | s1->dynsym = new_symtab(s1, ".dynsym", SHT_DYNSYM, SHF_ALLOC, |
| 19256 | ".dynstr", |
| 19257 | ".hash", SHF_ALLOC); |
| 19258 | dynstr = s1->dynsym->link; |
| 19259 | |
| 19260 | /* add dynamic section */ |
| 19261 | dynamic = new_section(s1, ".dynamic", SHT_DYNAMIC, |
| 19262 | SHF_ALLOC | SHF_WRITE); |
| 19263 | dynamic->link = dynstr; |
| 19264 | dynamic->sh_entsize = sizeof(Elf32_Dyn); |
| 19265 | |
| 19266 | /* add PLT */ |
| 19267 | s1->plt = new_section(s1, ".plt", SHT_PROGBITS, |
| 19268 | SHF_ALLOC | SHF_EXECINSTR); |
| 19269 | s1->plt->sh_entsize = 4; |
| 19270 | |
| 19271 | build_got(s1); |
| 19272 | |
| 19273 | /* scan for undefined symbols and see if they are in the |
| 19274 | dynamic symbols. If a symbol STT_FUNC is found, then we |
| 19275 | add it in the PLT. If a symbol STT_OBJECT is found, we |
| 19276 | add it in the .bss section with a suitable relocation */ |
| 19277 | sym_end = (Elf32_Sym *)(symtab_section->data + |
| 19278 | symtab_section->data_offset); |
| 19279 | if (file_type == TCC_OUTPUT_EXE) { |
| 19280 | for(sym = (Elf32_Sym *)symtab_section->data + 1; |
| 19281 | sym < sym_end; |
| 19282 | sym++) { |
| 19283 | if (sym->st_shndx == SHN_UNDEF) { |
| 19284 | name = symtab_section->link->data + sym->st_name; |
| 19285 | sym_index = find_elf_sym(s1->dynsymtab_section, name); |
| 19286 | if (sym_index) { |
| 19287 | esym = &((Elf32_Sym *)s1->dynsymtab_section->data)[sym_index]; |
| 19288 | type = ELF32_ST_TYPE(esym->st_info); |
| 19289 | if (type == STT_FUNC) { |
| 19290 | put_got_entry(s1, R_JMP_SLOT, esym->st_size, |
| 19291 | esym->st_info, |
| 19292 | sym - (Elf32_Sym *)symtab_section->data); |
| 19293 | } else if (type == STT_OBJECT) { |
| 19294 | unsigned long offset; |
| 19295 | offset = bss_section->data_offset; |
| 19296 | /* XXX: which alignment ? */ |
| 19297 | offset = (offset + 16 - 1) & -16; |
| 19298 | index = put_elf_sym(s1->dynsym, offset, esym->st_size, |
| 19299 | esym->st_info, 0, |
| 19300 | bss_section->sh_num, name); |
| 19301 | put_elf_reloc(s1->dynsym, bss_section, |
| 19302 | offset, R_COPY, index); |
| 19303 | offset += esym->st_size; |
| 19304 | bss_section->data_offset = offset; |
| 19305 | } |
| 19306 | } else { |
| 19307 | /* STB_WEAK undefined symbols are accepted */ |
| 19308 | /* XXX: _fp_hw seems to be part of the ABI, so we ignore |
| 19309 | it */ |
| 19310 | if (ELF32_ST_BIND(sym->st_info) == STB_WEAK || |
| 19311 | !strcmp(name, "_fp_hw")) { |
| 19312 | } else { |
| 19313 | error_noabort("undefined symbol '%s'", name); |
| 19314 | } |
| 19315 | } |
| 19316 | } else if (s1->rdynamic && |
| 19317 | ELF32_ST_BIND(sym->st_info) != STB_LOCAL) { |
| 19318 | /* if -rdynamic option, then export all non |
| 19319 | local symbols */ |
| 19320 | name = symtab_section->link->data + sym->st_name; |
| 19321 | put_elf_sym(s1->dynsym, sym->st_value, sym->st_size, |
| 19322 | sym->st_info, 0, |
| 19323 | sym->st_shndx, name); |
| 19324 | } |
| 19325 | } |
| 19326 | |
| 19327 | if (s1->nb_errors) |
| 19328 | goto fail; |
| 19329 | |
| 19330 | /* now look at unresolved dynamic symbols and export |
| 19331 | corresponding symbol */ |
| 19332 | sym_end = (Elf32_Sym *)(s1->dynsymtab_section->data + |
| 19333 | s1->dynsymtab_section->data_offset); |
| 19334 | for(esym = (Elf32_Sym *)s1->dynsymtab_section->data + 1; |
| 19335 | esym < sym_end; |
| 19336 | esym++) { |
| 19337 | if (esym->st_shndx == SHN_UNDEF) { |
| 19338 | name = s1->dynsymtab_section->link->data + esym->st_name; |
| 19339 | sym_index = find_elf_sym(symtab_section, name); |
| 19340 | if (sym_index) { |
| 19341 | /* XXX: avoid adding a symbol if already |
| 19342 | present because of -rdynamic ? */ |
| 19343 | sym = &((Elf32_Sym *)symtab_section->data)[sym_index]; |
| 19344 | put_elf_sym(s1->dynsym, sym->st_value, sym->st_size, |
| 19345 | sym->st_info, 0, |
| 19346 | sym->st_shndx, name); |
| 19347 | } else { |
| 19348 | if (ELF32_ST_BIND(esym->st_info) == STB_WEAK) { |
| 19349 | /* weak symbols can stay undefined */ |
| 19350 | } else { |
| 19351 | warning("undefined dynamic symbol '%s'", name); |
| 19352 | } |
| 19353 | } |
| 19354 | } |
| 19355 | } |
| 19356 | } else { |
| 19357 | int nb_syms; |
| 19358 | /* shared library case : we simply export all the global symbols */ |
| 19359 | nb_syms = symtab_section->data_offset / sizeof(Elf32_Sym); |
| 19360 | s1->symtab_to_dynsym = tcc_mallocz(sizeof(int) * nb_syms); |
| 19361 | for(sym = (Elf32_Sym *)symtab_section->data + 1; |
| 19362 | sym < sym_end; |
| 19363 | sym++) { |
| 19364 | if (ELF32_ST_BIND(sym->st_info) != STB_LOCAL) { |
| 19365 | name = symtab_section->link->data + sym->st_name; |
| 19366 | index = put_elf_sym(s1->dynsym, sym->st_value, sym->st_size, |
| 19367 | sym->st_info, 0, |
| 19368 | sym->st_shndx, name); |
| 19369 | s1->symtab_to_dynsym[sym - |
| 19370 | (Elf32_Sym *)symtab_section->data] = |
| 19371 | index; |
| 19372 | } |
| 19373 | } |
| 19374 | } |
| 19375 | |
| 19376 | build_got_entries(s1); |
| 19377 | |
| 19378 | /* add a list of needed dlls */ |
| 19379 | for(i = 0; i < s1->nb_loaded_dlls; i++) { |
| 19380 | DLLReference *dllref = s1->loaded_dlls[i]; |
| 19381 | if (dllref->level == 0) |
| 19382 | put_dt(dynamic, DT_NEEDED, put_elf_str(dynstr, dllref->name)); |
| 19383 | } |
| 19384 | /* XXX: currently, since we do not handle PIC code, we |
| 19385 | must relocate the readonly segments */ |
| 19386 | if (file_type == TCC_OUTPUT_DLL) |
| 19387 | put_dt(dynamic, DT_TEXTREL, 0); |
| 19388 | |
| 19389 | /* add necessary space for other entries */ |
| 19390 | saved_dynamic_data_offset = dynamic->data_offset; |
| 19391 | dynamic->data_offset += 8 * 9; |
| 19392 | } else { |
| 19393 | /* still need to build got entries in case of static link */ |
| 19394 | build_got_entries(s1); |
| 19395 | } |
| 19396 | } |
| 19397 | |
| 19398 | memset(&ehdr, 0, sizeof(ehdr)); |
| 19399 | |
| 19400 | /* we add a section for symbols */ |
| 19401 | strsec = new_section(s1, ".shstrtab", SHT_STRTAB, 0); |
| 19402 | put_elf_str(strsec, ""); |
| 19403 | |
| 19404 | /* compute number of sections */ |
| 19405 | shnum = s1->nb_sections; |
| 19406 | |
| 19407 | /* this array is used to reorder sections in the output file */ |
| 19408 | section_order = tcc_malloc(sizeof(int) * shnum); |
| 19409 | section_order[0] = 0; |
| 19410 | sh_order_index = 1; |
| 19411 | |
| 19412 | /* compute number of program headers */ |
| 19413 | switch(file_type) { |
| 19414 | default: |
| 19415 | case TCC_OUTPUT_OBJ: |
| 19416 | phnum = 0; |
| 19417 | break; |
| 19418 | case TCC_OUTPUT_EXE: |
| 19419 | if (!s1->static_link) |
| 19420 | phnum = 4; |
| 19421 | else |
| 19422 | phnum = 2; |
| 19423 | break; |
| 19424 | case TCC_OUTPUT_DLL: |
| 19425 | phnum = 3; |
| 19426 | break; |
| 19427 | } |
| 19428 | |
| 19429 | /* allocate strings for section names and decide if an unallocated |
| 19430 | section should be output */ |
| 19431 | /* NOTE: the strsec section comes last, so its size is also |
| 19432 | correct ! */ |
| 19433 | for(i = 1; i < s1->nb_sections; i++) { |
| 19434 | s = s1->sections[i]; |
| 19435 | s->sh_name = put_elf_str(strsec, s->name); |
| 19436 | /* when generating a DLL, we include relocations but we may |
| 19437 | patch them */ |
| 19438 | if (file_type == TCC_OUTPUT_DLL && |
| 19439 | s->sh_type == SHT_REL && |
| 19440 | !(s->sh_flags & SHF_ALLOC)) { |
| 19441 | prepare_dynamic_rel(s1, s); |
| 19442 | } else if (do_debug || |
| 19443 | file_type == TCC_OUTPUT_OBJ || |
| 19444 | (s->sh_flags & SHF_ALLOC) || |
| 19445 | i == (s1->nb_sections - 1)) { |
| 19446 | /* we output all sections if debug or object file */ |
| 19447 | s->sh_size = s->data_offset; |
| 19448 | } |
| 19449 | } |
| 19450 | |
| 19451 | /* allocate program segment headers */ |
| 19452 | phdr = tcc_mallocz(phnum * sizeof(Elf32_Phdr)); |
| 19453 | |
| 19454 | if (s1->output_format == TCC_OUTPUT_FORMAT_ELF) { |
| 19455 | file_offset = sizeof(Elf32_Ehdr) + phnum * sizeof(Elf32_Phdr); |
| 19456 | } else { |
| 19457 | file_offset = 0; |
| 19458 | } |
| 19459 | if (phnum > 0) { |
| 19460 | /* compute section to program header mapping */ |
| 19461 | if (s1->has_text_addr) { |
| 19462 | int a_offset, p_offset; |
| 19463 | addr = s1->text_addr; |
| 19464 | /* we ensure that (addr % ELF_PAGE_SIZE) == file_offset % |
| 19465 | ELF_PAGE_SIZE */ |
| 19466 | a_offset = addr & (ELF_PAGE_SIZE - 1); |
| 19467 | p_offset = file_offset & (ELF_PAGE_SIZE - 1); |
| 19468 | if (a_offset < p_offset) |
| 19469 | a_offset += ELF_PAGE_SIZE; |
| 19470 | file_offset += (a_offset - p_offset); |
| 19471 | } else { |
| 19472 | if (file_type == TCC_OUTPUT_DLL) |
| 19473 | addr = 0; |
| 19474 | else |
| 19475 | addr = ELF_START_ADDR; |
| 19476 | /* compute address after headers */ |
| 19477 | addr += (file_offset & (ELF_PAGE_SIZE - 1)); |
| 19478 | } |
| 19479 | |
| 19480 | /* dynamic relocation table information, for .dynamic section */ |
| 19481 | rel_size = 0; |
| 19482 | rel_addr = 0; |
| 19483 | |
| 19484 | /* leave one program header for the program interpreter */ |
| 19485 | ph = &phdr[0]; |
| 19486 | if (interp) |
| 19487 | ph++; |
| 19488 | |
| 19489 | for(j = 0; j < 2; j++) { |
| 19490 | ph->p_type = PT_LOAD; |
| 19491 | if (j == 0) |
| 19492 | ph->p_flags = PF_R | PF_X; |
| 19493 | else |
| 19494 | ph->p_flags = PF_R | PF_W; |
| 19495 | ph->p_align = ELF_PAGE_SIZE; |
| 19496 | |
| 19497 | /* we do the following ordering: interp, symbol tables, |
| 19498 | relocations, progbits, nobits */ |
| 19499 | /* XXX: do faster and simpler sorting */ |
| 19500 | for(k = 0; k < 5; k++) { |
| 19501 | for(i = 1; i < s1->nb_sections; i++) { |
| 19502 | s = s1->sections[i]; |
| 19503 | /* compute if section should be included */ |
| 19504 | if (j == 0) { |
| 19505 | if ((s->sh_flags & (SHF_ALLOC | SHF_WRITE)) != |
| 19506 | SHF_ALLOC) |
| 19507 | continue; |
| 19508 | } else { |
| 19509 | if ((s->sh_flags & (SHF_ALLOC | SHF_WRITE)) != |
| 19510 | (SHF_ALLOC | SHF_WRITE)) |
| 19511 | continue; |
| 19512 | } |
| 19513 | if (s == interp) { |
| 19514 | if (k != 0) |
| 19515 | continue; |
| 19516 | } else if (s->sh_type == SHT_DYNSYM || |
| 19517 | s->sh_type == SHT_STRTAB || |
| 19518 | s->sh_type == SHT_HASH) { |
| 19519 | if (k != 1) |
| 19520 | continue; |
| 19521 | } else if (s->sh_type == SHT_REL) { |
| 19522 | if (k != 2) |
| 19523 | continue; |
| 19524 | } else if (s->sh_type == SHT_NOBITS) { |
| 19525 | if (k != 4) |
| 19526 | continue; |
| 19527 | } else { |
| 19528 | if (k != 3) |
| 19529 | continue; |
| 19530 | } |
| 19531 | section_order[sh_order_index++] = i; |
| 19532 | |
| 19533 | /* section matches: we align it and add its size */ |
| 19534 | tmp = addr; |
| 19535 | addr = (addr + s->sh_addralign - 1) & |
| 19536 | ~(s->sh_addralign - 1); |
| 19537 | file_offset += addr - tmp; |
| 19538 | s->sh_offset = file_offset; |
| 19539 | s->sh_addr = addr; |
| 19540 | |
| 19541 | /* update program header infos */ |
| 19542 | if (ph->p_offset == 0) { |
| 19543 | ph->p_offset = file_offset; |
| 19544 | ph->p_vaddr = addr; |
| 19545 | ph->p_paddr = ph->p_vaddr; |
| 19546 | } |
| 19547 | /* update dynamic relocation infos */ |
| 19548 | if (s->sh_type == SHT_REL) { |
| 19549 | if (rel_size == 0) |
| 19550 | rel_addr = addr; |
| 19551 | rel_size += s->sh_size; |
| 19552 | } |
| 19553 | addr += s->sh_size; |
| 19554 | if (s->sh_type != SHT_NOBITS) |
| 19555 | file_offset += s->sh_size; |
| 19556 | } |
| 19557 | } |
| 19558 | ph->p_filesz = file_offset - ph->p_offset; |
| 19559 | ph->p_memsz = addr - ph->p_vaddr; |
| 19560 | ph++; |
| 19561 | if (j == 0) { |
| 19562 | if (s1->output_format == TCC_OUTPUT_FORMAT_ELF) { |
| 19563 | /* if in the middle of a page, we duplicate the page in |
| 19564 | memory so that one copy is RX and the other is RW */ |
| 19565 | if ((addr & (ELF_PAGE_SIZE - 1)) != 0) |
| 19566 | addr += ELF_PAGE_SIZE; |
| 19567 | } else { |
| 19568 | addr = (addr + ELF_PAGE_SIZE - 1) & ~(ELF_PAGE_SIZE - 1); |
| 19569 | file_offset = (file_offset + ELF_PAGE_SIZE - 1) & |
| 19570 | ~(ELF_PAGE_SIZE - 1); |
| 19571 | } |
| 19572 | } |
| 19573 | } |
| 19574 | |
| 19575 | /* if interpreter, then add corresponing program header */ |
| 19576 | if (interp) { |
| 19577 | ph = &phdr[0]; |
| 19578 | |
| 19579 | ph->p_type = PT_INTERP; |
| 19580 | ph->p_offset = interp->sh_offset; |
| 19581 | ph->p_vaddr = interp->sh_addr; |
| 19582 | ph->p_paddr = ph->p_vaddr; |
| 19583 | ph->p_filesz = interp->sh_size; |
| 19584 | ph->p_memsz = interp->sh_size; |
| 19585 | ph->p_flags = PF_R; |
| 19586 | ph->p_align = interp->sh_addralign; |
| 19587 | } |
| 19588 | |
| 19589 | /* if dynamic section, then add corresponing program header */ |
| 19590 | if (dynamic) { |
| 19591 | Elf32_Sym *sym_end; |
| 19592 | |
| 19593 | ph = &phdr[phnum - 1]; |
| 19594 | |
| 19595 | ph->p_type = PT_DYNAMIC; |
| 19596 | ph->p_offset = dynamic->sh_offset; |
| 19597 | ph->p_vaddr = dynamic->sh_addr; |
| 19598 | ph->p_paddr = ph->p_vaddr; |
| 19599 | ph->p_filesz = dynamic->sh_size; |
| 19600 | ph->p_memsz = dynamic->sh_size; |
| 19601 | ph->p_flags = PF_R | PF_W; |
| 19602 | ph->p_align = dynamic->sh_addralign; |
| 19603 | |
| 19604 | /* put GOT dynamic section address */ |
| 19605 | put32(s1->got->data, dynamic->sh_addr); |
| 19606 | |
| 19607 | /* relocate the PLT */ |
| 19608 | if (file_type == TCC_OUTPUT_EXE) { |
| 19609 | uint8_t *p, *p_end; |
| 19610 | |
| 19611 | p = s1->plt->data; |
| 19612 | p_end = p + s1->plt->data_offset; |
| 19613 | if (p < p_end) { |
| 19614 | #if defined(TCC_TARGET_I386) |
| 19615 | put32(p + 2, get32(p + 2) + s1->got->sh_addr); |
| 19616 | put32(p + 8, get32(p + 8) + s1->got->sh_addr); |
| 19617 | p += 16; |
| 19618 | while (p < p_end) { |
| 19619 | put32(p + 2, get32(p + 2) + s1->got->sh_addr); |
| 19620 | p += 16; |
| 19621 | } |
| 19622 | #elif defined(TCC_TARGET_ARM) |
| 19623 | int x; |
| 19624 | x=s1->got->sh_addr - s1->plt->sh_addr - 12; |
| 19625 | p +=16; |
| 19626 | while (p < p_end) { |
| 19627 | put32(p + 12, x + get32(p + 12) + s1->plt->data - p); |
| 19628 | p += 16; |
| 19629 | } |
| 19630 | #elif defined(TCC_TARGET_C67) |
| 19631 | /* XXX: TODO */ |
| 19632 | #else |
| 19633 | #error unsupported CPU |
| 19634 | #endif |
| 19635 | } |
| 19636 | } |
| 19637 | |
| 19638 | /* relocate symbols in .dynsym */ |
| 19639 | sym_end = (Elf32_Sym *)(s1->dynsym->data + s1->dynsym->data_offset); |
| 19640 | for(sym = (Elf32_Sym *)s1->dynsym->data + 1; |
| 19641 | sym < sym_end; |
| 19642 | sym++) { |
| 19643 | if (sym->st_shndx == SHN_UNDEF) { |
| 19644 | /* relocate to the PLT if the symbol corresponds |
| 19645 | to a PLT entry */ |
| 19646 | if (sym->st_value) |
| 19647 | sym->st_value += s1->plt->sh_addr; |
| 19648 | } else if (sym->st_shndx < SHN_LORESERVE) { |
| 19649 | /* do symbol relocation */ |
| 19650 | sym->st_value += s1->sections[sym->st_shndx]->sh_addr; |
| 19651 | } |
| 19652 | } |
| 19653 | |
| 19654 | /* put dynamic section entries */ |
| 19655 | dynamic->data_offset = saved_dynamic_data_offset; |
| 19656 | put_dt(dynamic, DT_HASH, s1->dynsym->hash->sh_addr); |
| 19657 | put_dt(dynamic, DT_STRTAB, dynstr->sh_addr); |
| 19658 | put_dt(dynamic, DT_SYMTAB, s1->dynsym->sh_addr); |
| 19659 | put_dt(dynamic, DT_STRSZ, dynstr->data_offset); |
| 19660 | put_dt(dynamic, DT_SYMENT, sizeof(Elf32_Sym)); |
| 19661 | put_dt(dynamic, DT_REL, rel_addr); |
| 19662 | put_dt(dynamic, DT_RELSZ, rel_size); |
| 19663 | put_dt(dynamic, DT_RELENT, sizeof(Elf32_Rel)); |
| 19664 | put_dt(dynamic, DT_NULL, 0); |
| 19665 | } |
| 19666 | |
| 19667 | ehdr.e_phentsize = sizeof(Elf32_Phdr); |
| 19668 | ehdr.e_phnum = phnum; |
| 19669 | ehdr.e_phoff = sizeof(Elf32_Ehdr); |
| 19670 | } |
| 19671 | |
| 19672 | /* all other sections come after */ |
| 19673 | for(i = 1; i < s1->nb_sections; i++) { |
| 19674 | s = s1->sections[i]; |
| 19675 | if (phnum > 0 && (s->sh_flags & SHF_ALLOC)) |
| 19676 | continue; |
| 19677 | section_order[sh_order_index++] = i; |
| 19678 | |
| 19679 | file_offset = (file_offset + s->sh_addralign - 1) & |
| 19680 | ~(s->sh_addralign - 1); |
| 19681 | s->sh_offset = file_offset; |
| 19682 | if (s->sh_type != SHT_NOBITS) |
| 19683 | file_offset += s->sh_size; |
| 19684 | } |
| 19685 | |
| 19686 | /* if building executable or DLL, then relocate each section |
| 19687 | except the GOT which is already relocated */ |
| 19688 | if (file_type != TCC_OUTPUT_OBJ) { |
| 19689 | relocate_syms(s1, 0); |
| 19690 | |
| 19691 | if (s1->nb_errors != 0) { |
| 19692 | fail: |
| 19693 | ret = -1; |
| 19694 | goto the_end; |
| 19695 | } |
| 19696 | |
| 19697 | /* relocate sections */ |
| 19698 | /* XXX: ignore sections with allocated relocations ? */ |
| 19699 | for(i = 1; i < s1->nb_sections; i++) { |
| 19700 | s = s1->sections[i]; |
| 19701 | if (s->reloc && s != s1->got) |
| 19702 | relocate_section(s1, s); |
| 19703 | } |
| 19704 | |
| 19705 | /* relocate relocation entries if the relocation tables are |
| 19706 | allocated in the executable */ |
| 19707 | for(i = 1; i < s1->nb_sections; i++) { |
| 19708 | s = s1->sections[i]; |
| 19709 | if ((s->sh_flags & SHF_ALLOC) && |
| 19710 | s->sh_type == SHT_REL) { |
| 19711 | relocate_rel(s1, s); |
| 19712 | } |
| 19713 | } |
| 19714 | |
| 19715 | /* get entry point address */ |
| 19716 | if (file_type == TCC_OUTPUT_EXE) |
| 19717 | ehdr.e_entry = (unsigned long)tcc_get_symbol_err(s1, "_start"); |
| 19718 | else |
| 19719 | ehdr.e_entry = text_section->sh_addr; /* XXX: is it correct ? */ |
| 19720 | } |
| 19721 | |
| 19722 | /* write elf file */ |
| 19723 | if (file_type == TCC_OUTPUT_OBJ) |
| 19724 | mode = 0666; |
| 19725 | else |
| 19726 | mode = 0777; |
| 19727 | fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, mode); |
| 19728 | if (fd < 0) { |
| 19729 | error_noabort("could not write '%s'", filename); |
| 19730 | goto fail; |
| 19731 | } |
| 19732 | f = fdopen(fd, "wb"); |
| 19733 | |
| 19734 | #ifdef TCC_TARGET_COFF |
| 19735 | if (s1->output_format == TCC_OUTPUT_FORMAT_COFF) { |
| 19736 | tcc_output_coff(s1, f); |
| 19737 | } else |
| 19738 | #endif |
| 19739 | if (s1->output_format == TCC_OUTPUT_FORMAT_ELF) { |
| 19740 | sort_syms(s1, symtab_section); |
| 19741 | |
| 19742 | /* align to 4 */ |
| 19743 | file_offset = (file_offset + 3) & -4; |
| 19744 | |
| 19745 | /* fill header */ |
| 19746 | ehdr.e_ident[0] = ELFMAG0; |
| 19747 | ehdr.e_ident[1] = ELFMAG1; |
| 19748 | ehdr.e_ident[2] = ELFMAG2; |
| 19749 | ehdr.e_ident[3] = ELFMAG3; |
| 19750 | ehdr.e_ident[4] = ELFCLASS32; |
| 19751 | ehdr.e_ident[5] = ELFDATA2LSB; |
| 19752 | ehdr.e_ident[6] = EV_CURRENT; |
| 19753 | #ifdef __FreeBSD__ |
| 19754 | ehdr.e_ident[EI_OSABI] = ELFOSABI_FREEBSD; |
| 19755 | #endif |
| 19756 | #ifdef TCC_TARGET_ARM |
| 19757 | ehdr.e_ident[EI_OSABI] = ELFOSABI_ARM; |
| 19758 | #endif |
| 19759 | switch(file_type) { |
| 19760 | default: |
| 19761 | case TCC_OUTPUT_EXE: |
| 19762 | ehdr.e_type = ET_EXEC; |
| 19763 | break; |
| 19764 | case TCC_OUTPUT_DLL: |
| 19765 | ehdr.e_type = ET_DYN; |
| 19766 | break; |
| 19767 | case TCC_OUTPUT_OBJ: |
| 19768 | ehdr.e_type = ET_REL; |
| 19769 | break; |
| 19770 | } |
| 19771 | ehdr.e_machine = EM_TCC_TARGET; |
| 19772 | ehdr.e_version = EV_CURRENT; |
| 19773 | ehdr.e_shoff = file_offset; |
| 19774 | ehdr.e_ehsize = sizeof(Elf32_Ehdr); |
| 19775 | ehdr.e_shentsize = sizeof(Elf32_Shdr); |
| 19776 | ehdr.e_shnum = shnum; |
| 19777 | ehdr.e_shstrndx = shnum - 1; |
| 19778 | |
| 19779 | fwrite(&ehdr, 1, sizeof(Elf32_Ehdr), f); |
| 19780 | fwrite(phdr, 1, phnum * sizeof(Elf32_Phdr), f); |
| 19781 | offset = sizeof(Elf32_Ehdr) + phnum * sizeof(Elf32_Phdr); |
| 19782 | |
| 19783 | for(i=1;i<s1->nb_sections;i++) { |
| 19784 | s = s1->sections[section_order[i]]; |
| 19785 | if (s->sh_type != SHT_NOBITS) { |
| 19786 | while (offset < s->sh_offset) { |
| 19787 | fputc(0, f); |
| 19788 | offset++; |
| 19789 | } |
| 19790 | size = s->sh_size; |
| 19791 | fwrite(s->data, 1, size, f); |
| 19792 | offset += size; |
| 19793 | } |
| 19794 | } |
| 19795 | |
| 19796 | /* output section headers */ |
| 19797 | while (offset < ehdr.e_shoff) { |
| 19798 | fputc(0, f); |
| 19799 | offset++; |
| 19800 | } |
| 19801 | |
| 19802 | for(i=0;i<s1->nb_sections;i++) { |
| 19803 | sh = &shdr; |
| 19804 | memset(sh, 0, sizeof(Elf32_Shdr)); |
| 19805 | s = s1->sections[i]; |
| 19806 | if (s) { |
| 19807 | sh->sh_name = s->sh_name; |
| 19808 | sh->sh_type = s->sh_type; |
| 19809 | sh->sh_flags = s->sh_flags; |
| 19810 | sh->sh_entsize = s->sh_entsize; |
| 19811 | sh->sh_info = s->sh_info; |
| 19812 | if (s->link) |
| 19813 | sh->sh_link = s->link->sh_num; |
| 19814 | sh->sh_addralign = s->sh_addralign; |
| 19815 | sh->sh_addr = s->sh_addr; |
| 19816 | sh->sh_offset = s->sh_offset; |
| 19817 | sh->sh_size = s->sh_size; |
| 19818 | } |
| 19819 | fwrite(sh, 1, sizeof(Elf32_Shdr), f); |
| 19820 | } |
| 19821 | } else { |
| 19822 | tcc_output_binary(s1, f, section_order); |
| 19823 | } |
| 19824 | fclose(f); |
| 19825 | |
| 19826 | ret = 0; |
| 19827 | the_end: |
| 19828 | tcc_free(s1->symtab_to_dynsym); |
| 19829 | tcc_free(section_order); |
| 19830 | tcc_free(phdr); |
| 19831 | tcc_free(s1->got_offsets); |
| 19832 | return ret; |
| 19833 | } |
| 19834 | |
| 19835 | static void *load_data(int fd, unsigned long file_offset, unsigned long size) |
| 19836 | { |
| 19837 | void *data; |
| 19838 | |
| 19839 | data = tcc_malloc(size); |
| 19840 | lseek(fd, file_offset, SEEK_SET); |
| 19841 | read(fd, data, size); |
| 19842 | return data; |
| 19843 | } |
| 19844 | |
| 19845 | typedef struct SectionMergeInfo { |
| 19846 | Section *s; /* corresponding existing section */ |
| 19847 | unsigned long offset; /* offset of the new section in the existing section */ |
| 19848 | uint8_t new_section; /* true if section 's' was added */ |
| 19849 | uint8_t link_once; /* true if link once section */ |
| 19850 | } SectionMergeInfo; |
| 19851 | |
| 19852 | /* load an object file and merge it with current files */ |
| 19853 | /* XXX: handle correctly stab (debug) info */ |
| 19854 | static int tcc_load_object_file(TCCState *s1, |
| 19855 | int fd, unsigned long file_offset) |
| 19856 | { |
| 19857 | Elf32_Ehdr ehdr; |
| 19858 | Elf32_Shdr *shdr, *sh; |
| 19859 | int size, i, j, offset, offseti, nb_syms, sym_index, ret; |
| 19860 | unsigned char *strsec, *strtab; |
| 19861 | int *old_to_new_syms; |
| 19862 | char *sh_name, *name; |
| 19863 | SectionMergeInfo *sm_table, *sm; |
| 19864 | Elf32_Sym *sym, *symtab; |
| 19865 | Elf32_Rel *rel, *rel_end; |
| 19866 | Section *s; |
| 19867 | |
| 19868 | if (read(fd, &ehdr, sizeof(ehdr)) != sizeof(ehdr)) |
| 19869 | goto fail1; |
| 19870 | if (ehdr.e_ident[0] != ELFMAG0 || |
| 19871 | ehdr.e_ident[1] != ELFMAG1 || |
| 19872 | ehdr.e_ident[2] != ELFMAG2 || |
| 19873 | ehdr.e_ident[3] != ELFMAG3) |
| 19874 | goto fail1; |
| 19875 | /* test if object file */ |
| 19876 | if (ehdr.e_type != ET_REL) |
| 19877 | goto fail1; |
| 19878 | /* test CPU specific stuff */ |
| 19879 | if (ehdr.e_ident[5] != ELFDATA2LSB || |
| 19880 | ehdr.e_machine != EM_TCC_TARGET) { |
| 19881 | fail1: |
| 19882 | error_noabort("invalid object file"); |
| 19883 | return -1; |
| 19884 | } |
| 19885 | /* read sections */ |
| 19886 | shdr = load_data(fd, file_offset + ehdr.e_shoff, |
| 19887 | sizeof(Elf32_Shdr) * ehdr.e_shnum); |
| 19888 | sm_table = tcc_mallocz(sizeof(SectionMergeInfo) * ehdr.e_shnum); |
| 19889 | |
| 19890 | /* load section names */ |
| 19891 | sh = &shdr[ehdr.e_shstrndx]; |
| 19892 | strsec = load_data(fd, file_offset + sh->sh_offset, sh->sh_size); |
| 19893 | |
| 19894 | /* load symtab and strtab */ |
| 19895 | old_to_new_syms = NULL; |
| 19896 | symtab = NULL; |
| 19897 | strtab = NULL; |
| 19898 | nb_syms = 0; |
| 19899 | for(i = 1; i < ehdr.e_shnum; i++) { |
| 19900 | sh = &shdr[i]; |
| 19901 | if (sh->sh_type == SHT_SYMTAB) { |
| 19902 | if (symtab) { |
| 19903 | error_noabort("object must contain only one symtab"); |
| 19904 | fail: |
| 19905 | ret = -1; |
| 19906 | goto the_end; |
| 19907 | } |
| 19908 | nb_syms = sh->sh_size / sizeof(Elf32_Sym); |
| 19909 | symtab = load_data(fd, file_offset + sh->sh_offset, sh->sh_size); |
| 19910 | sm_table[i].s = symtab_section; |
| 19911 | |
| 19912 | /* now load strtab */ |
| 19913 | sh = &shdr[sh->sh_link]; |
| 19914 | strtab = load_data(fd, file_offset + sh->sh_offset, sh->sh_size); |
| 19915 | } |
| 19916 | } |
| 19917 | |
| 19918 | /* now examine each section and try to merge its content with the |
| 19919 | ones in memory */ |
| 19920 | for(i = 1; i < ehdr.e_shnum; i++) { |
| 19921 | /* no need to examine section name strtab */ |
| 19922 | if (i == ehdr.e_shstrndx) |
| 19923 | continue; |
| 19924 | sh = &shdr[i]; |
| 19925 | sh_name = strsec + sh->sh_name; |
| 19926 | /* ignore sections types we do not handle */ |
| 19927 | if (sh->sh_type != SHT_PROGBITS && |
| 19928 | sh->sh_type != SHT_REL && |
| 19929 | sh->sh_type != SHT_NOBITS) |
| 19930 | continue; |
| 19931 | if (sh->sh_addralign < 1) |
| 19932 | sh->sh_addralign = 1; |
| 19933 | /* find corresponding section, if any */ |
| 19934 | for(j = 1; j < s1->nb_sections;j++) { |
| 19935 | s = s1->sections[j]; |
| 19936 | if (!strcmp(s->name, sh_name)) { |
| 19937 | if (!strncmp(sh_name, ".gnu.linkonce", |
| 19938 | sizeof(".gnu.linkonce") - 1)) { |
| 19939 | /* if a 'linkonce' section is already present, we |
| 19940 | do not add it again. It is a little tricky as |
| 19941 | symbols can still be defined in |
| 19942 | it. */ |
| 19943 | sm_table[i].link_once = 1; |
| 19944 | goto next; |
| 19945 | } else { |
| 19946 | goto found; |
| 19947 | } |
| 19948 | } |
| 19949 | } |
| 19950 | /* not found: create new section */ |
| 19951 | s = new_section(s1, sh_name, sh->sh_type, sh->sh_flags); |
| 19952 | /* take as much info as possible from the section. sh_link and |
| 19953 | sh_info will be updated later */ |
| 19954 | s->sh_addralign = sh->sh_addralign; |
| 19955 | s->sh_entsize = sh->sh_entsize; |
| 19956 | sm_table[i].new_section = 1; |
| 19957 | found: |
| 19958 | if (sh->sh_type != s->sh_type) { |
| 19959 | error_noabort("invalid section type"); |
| 19960 | goto fail; |
| 19961 | } |
| 19962 | |
| 19963 | /* align start of section */ |
| 19964 | offset = s->data_offset; |
| 19965 | size = sh->sh_addralign - 1; |
| 19966 | offset = (offset + size) & ~size; |
| 19967 | if (sh->sh_addralign > s->sh_addralign) |
| 19968 | s->sh_addralign = sh->sh_addralign; |
| 19969 | s->data_offset = offset; |
| 19970 | sm_table[i].offset = offset; |
| 19971 | sm_table[i].s = s; |
| 19972 | /* concatenate sections */ |
| 19973 | size = sh->sh_size; |
| 19974 | if (sh->sh_type != SHT_NOBITS) { |
| 19975 | unsigned char *ptr; |
| 19976 | lseek(fd, file_offset + sh->sh_offset, SEEK_SET); |
| 19977 | ptr = section_ptr_add(s, size); |
| 19978 | read(fd, ptr, size); |
| 19979 | } else { |
| 19980 | s->data_offset += size; |
| 19981 | } |
| 19982 | next: ; |
| 19983 | } |
| 19984 | |
| 19985 | /* second short pass to update sh_link and sh_info fields of new |
| 19986 | sections */ |
| 19987 | sm = sm_table; |
| 19988 | for(i = 1; i < ehdr.e_shnum; i++) { |
| 19989 | s = sm_table[i].s; |
| 19990 | if (!s || !sm_table[i].new_section) |
| 19991 | continue; |
| 19992 | sh = &shdr[i]; |
| 19993 | if (sh->sh_link > 0) |
| 19994 | s->link = sm_table[sh->sh_link].s; |
| 19995 | if (sh->sh_type == SHT_REL) { |
| 19996 | s->sh_info = sm_table[sh->sh_info].s->sh_num; |
| 19997 | /* update backward link */ |
| 19998 | s1->sections[s->sh_info]->reloc = s; |
| 19999 | } |
| 20000 | } |
| 20001 | |
| 20002 | /* resolve symbols */ |
| 20003 | old_to_new_syms = tcc_mallocz(nb_syms * sizeof(int)); |
| 20004 | |
| 20005 | sym = symtab + 1; |
| 20006 | for(i = 1; i < nb_syms; i++, sym++) { |
| 20007 | if (sym->st_shndx != SHN_UNDEF && |
| 20008 | sym->st_shndx < SHN_LORESERVE) { |
| 20009 | sm = &sm_table[sym->st_shndx]; |
| 20010 | if (sm->link_once) { |
| 20011 | /* if a symbol is in a link once section, we use the |
| 20012 | already defined symbol. It is very important to get |
| 20013 | correct relocations */ |
| 20014 | if (ELF32_ST_BIND(sym->st_info) != STB_LOCAL) { |
| 20015 | name = strtab + sym->st_name; |
| 20016 | sym_index = find_elf_sym(symtab_section, name); |
| 20017 | if (sym_index) |
| 20018 | old_to_new_syms[i] = sym_index; |
| 20019 | } |
| 20020 | continue; |
| 20021 | } |
| 20022 | /* if no corresponding section added, no need to add symbol */ |
| 20023 | if (!sm->s) |
| 20024 | continue; |
| 20025 | /* convert section number */ |
| 20026 | sym->st_shndx = sm->s->sh_num; |
| 20027 | /* offset value */ |
| 20028 | sym->st_value += sm->offset; |
| 20029 | } |
| 20030 | /* add symbol */ |
| 20031 | name = strtab + sym->st_name; |
| 20032 | sym_index = add_elf_sym(symtab_section, sym->st_value, sym->st_size, |
| 20033 | sym->st_info, sym->st_other, |
| 20034 | sym->st_shndx, name); |
| 20035 | old_to_new_syms[i] = sym_index; |
| 20036 | } |
| 20037 | |
| 20038 | /* third pass to patch relocation entries */ |
| 20039 | for(i = 1; i < ehdr.e_shnum; i++) { |
| 20040 | s = sm_table[i].s; |
| 20041 | if (!s) |
| 20042 | continue; |
| 20043 | sh = &shdr[i]; |
| 20044 | offset = sm_table[i].offset; |
| 20045 | switch(s->sh_type) { |
| 20046 | case SHT_REL: |
| 20047 | /* take relocation offset information */ |
| 20048 | offseti = sm_table[sh->sh_info].offset; |
| 20049 | rel_end = (Elf32_Rel *)(s->data + s->data_offset); |
| 20050 | for(rel = (Elf32_Rel *)(s->data + offset); |
| 20051 | rel < rel_end; |
| 20052 | rel++) { |
| 20053 | int type; |
| 20054 | unsigned sym_index; |
| 20055 | /* convert symbol index */ |
| 20056 | type = ELF32_R_TYPE(rel->r_info); |
| 20057 | sym_index = ELF32_R_SYM(rel->r_info); |
| 20058 | /* NOTE: only one symtab assumed */ |
| 20059 | if (sym_index >= nb_syms) |
| 20060 | goto invalid_reloc; |
| 20061 | sym_index = old_to_new_syms[sym_index]; |
| 20062 | if (!sym_index) { |
| 20063 | invalid_reloc: |
| 20064 | error_noabort("Invalid relocation entry"); |
| 20065 | goto fail; |
| 20066 | } |
| 20067 | rel->r_info = ELF32_R_INFO(sym_index, type); |
| 20068 | /* offset the relocation offset */ |
| 20069 | rel->r_offset += offseti; |
| 20070 | } |
| 20071 | break; |
| 20072 | default: |
| 20073 | break; |
| 20074 | } |
| 20075 | } |
| 20076 | |
| 20077 | ret = 0; |
| 20078 | the_end: |
| 20079 | tcc_free(symtab); |
| 20080 | tcc_free(strtab); |
| 20081 | tcc_free(old_to_new_syms); |
| 20082 | tcc_free(sm_table); |
| 20083 | tcc_free(strsec); |
| 20084 | tcc_free(shdr); |
| 20085 | return ret; |
| 20086 | } |
| 20087 | |
| 20088 | #define ARMAG "!<arch>\012" /* For COFF and a.out archives */ |
| 20089 | |
| 20090 | typedef struct ArchiveHeader { |
| 20091 | char ar_name[16]; /* name of this member */ |
| 20092 | char ar_date[12]; /* file mtime */ |
| 20093 | char ar_uid[6]; /* owner uid; printed as decimal */ |
| 20094 | char ar_gid[6]; /* owner gid; printed as decimal */ |
| 20095 | char ar_mode[8]; /* file mode, printed as octal */ |
| 20096 | char ar_size[10]; /* file size, printed as decimal */ |
| 20097 | char ar_fmag[2]; /* should contain ARFMAG */ |
| 20098 | } ArchiveHeader; |
| 20099 | |
| 20100 | static int get_be32(const uint8_t *b) |
| 20101 | { |
| 20102 | return b[3] | (b[2] << 8) | (b[1] << 16) | (b[0] << 24); |
| 20103 | } |
| 20104 | |
| 20105 | /* load only the objects which resolve undefined symbols */ |
| 20106 | static int tcc_load_alacarte(TCCState *s1, int fd, int size) |
| 20107 | { |
| 20108 | int i, bound, nsyms, sym_index, off, ret; |
| 20109 | uint8_t *data; |
| 20110 | const char *ar_names, *p; |
| 20111 | const uint8_t *ar_index; |
| 20112 | Elf32_Sym *sym; |
| 20113 | |
| 20114 | data = tcc_malloc(size); |
| 20115 | if (read(fd, data, size) != size) |
| 20116 | goto fail; |
| 20117 | nsyms = get_be32(data); |
| 20118 | ar_index = data + 4; |
| 20119 | ar_names = ar_index + nsyms * 4; |
| 20120 | |
| 20121 | do { |
| 20122 | bound = 0; |
| 20123 | for(p = ar_names, i = 0; i < nsyms; i++, p += strlen(p)+1) { |
| 20124 | sym_index = find_elf_sym(symtab_section, p); |
| 20125 | if(sym_index) { |
| 20126 | sym = &((Elf32_Sym *)symtab_section->data)[sym_index]; |
| 20127 | if(sym->st_shndx == SHN_UNDEF) { |
| 20128 | off = get_be32(ar_index + i * 4) + sizeof(ArchiveHeader); |
| 20129 | #if 0 |
| 20130 | printf("%5d\t%s\t%08x\n", i, p, sym->st_shndx); |
| 20131 | #endif |
| 20132 | ++bound; |
| 20133 | lseek(fd, off, SEEK_SET); |
| 20134 | if(tcc_load_object_file(s1, fd, off) < 0) { |
| 20135 | fail: |
| 20136 | ret = -1; |
| 20137 | goto the_end; |
| 20138 | } |
| 20139 | } |
| 20140 | } |
| 20141 | } |
| 20142 | } while(bound); |
| 20143 | ret = 0; |
| 20144 | the_end: |
| 20145 | tcc_free(data); |
| 20146 | return ret; |
| 20147 | } |
| 20148 | |
| 20149 | /* load a '.a' file */ |
| 20150 | static int tcc_load_archive(TCCState *s1, int fd) |
| 20151 | { |
| 20152 | ArchiveHeader hdr; |
| 20153 | char ar_size[11]; |
| 20154 | char ar_name[17]; |
| 20155 | char magic[8]; |
| 20156 | int size, len, i; |
| 20157 | unsigned long file_offset; |
| 20158 | |
| 20159 | /* skip magic which was already checked */ |
| 20160 | read(fd, magic, sizeof(magic)); |
| 20161 | |
| 20162 | for(;;) { |
| 20163 | len = read(fd, &hdr, sizeof(hdr)); |
| 20164 | if (len == 0) |
| 20165 | break; |
| 20166 | if (len != sizeof(hdr)) { |
| 20167 | error_noabort("invalid archive"); |
| 20168 | return -1; |
| 20169 | } |
| 20170 | memcpy(ar_size, hdr.ar_size, sizeof(hdr.ar_size)); |
| 20171 | ar_size[sizeof(hdr.ar_size)] = '\0'; |
| 20172 | size = strtol(ar_size, NULL, 0); |
| 20173 | memcpy(ar_name, hdr.ar_name, sizeof(hdr.ar_name)); |
| 20174 | for(i = sizeof(hdr.ar_name) - 1; i >= 0; i--) { |
| 20175 | if (ar_name[i] != ' ') |
| 20176 | break; |
| 20177 | } |
| 20178 | ar_name[i + 1] = '\0'; |
| 20179 | // printf("name='%s' size=%d %s\n", ar_name, size, ar_size); |
| 20180 | file_offset = lseek(fd, 0, SEEK_CUR); |
| 20181 | /* align to even */ |
| 20182 | size = (size + 1) & ~1; |
| 20183 | if (!strcmp(ar_name, "/")) { |
| 20184 | /* coff symbol table : we handle it */ |
| 20185 | if(s1->alacarte_link) |
| 20186 | return tcc_load_alacarte(s1, fd, size); |
| 20187 | } else if (!strcmp(ar_name, "//") || |
| 20188 | !strcmp(ar_name, "__.SYMDEF") || |
| 20189 | !strcmp(ar_name, "__.SYMDEF/") || |
| 20190 | !strcmp(ar_name, "ARFILENAMES/")) { |
| 20191 | /* skip symbol table or archive names */ |
| 20192 | } else { |
| 20193 | if (tcc_load_object_file(s1, fd, file_offset) < 0) |
| 20194 | return -1; |
| 20195 | } |
| 20196 | lseek(fd, file_offset + size, SEEK_SET); |
| 20197 | } |
| 20198 | return 0; |
| 20199 | } |
| 20200 | |
| 20201 | /* load a DLL and all referenced DLLs. 'level = 0' means that the DLL |
| 20202 | is referenced by the user (so it should be added as DT_NEEDED in |
| 20203 | the generated ELF file) */ |
| 20204 | static int tcc_load_dll(TCCState *s1, int fd, const char *filename, int level) |
| 20205 | { |
| 20206 | Elf32_Ehdr ehdr; |
| 20207 | Elf32_Shdr *shdr, *sh, *sh1; |
| 20208 | int i, nb_syms, nb_dts, sym_bind, ret; |
| 20209 | Elf32_Sym *sym, *dynsym; |
| 20210 | Elf32_Dyn *dt, *dynamic; |
| 20211 | unsigned char *dynstr; |
| 20212 | const char *name, *soname, *p; |
| 20213 | DLLReference *dllref; |
| 20214 | |
| 20215 | read(fd, &ehdr, sizeof(ehdr)); |
| 20216 | |
| 20217 | /* test CPU specific stuff */ |
| 20218 | if (ehdr.e_ident[5] != ELFDATA2LSB || |
| 20219 | ehdr.e_machine != EM_TCC_TARGET) { |
| 20220 | error_noabort("bad architecture"); |
| 20221 | return -1; |
| 20222 | } |
| 20223 | |
| 20224 | /* read sections */ |
| 20225 | shdr = load_data(fd, ehdr.e_shoff, sizeof(Elf32_Shdr) * ehdr.e_shnum); |
| 20226 | |
| 20227 | /* load dynamic section and dynamic symbols */ |
| 20228 | nb_syms = 0; |
| 20229 | nb_dts = 0; |
| 20230 | dynamic = NULL; |
| 20231 | dynsym = NULL; /* avoid warning */ |
| 20232 | dynstr = NULL; /* avoid warning */ |
| 20233 | for(i = 0, sh = shdr; i < ehdr.e_shnum; i++, sh++) { |
| 20234 | switch(sh->sh_type) { |
| 20235 | case SHT_DYNAMIC: |
| 20236 | nb_dts = sh->sh_size / sizeof(Elf32_Dyn); |
| 20237 | dynamic = load_data(fd, sh->sh_offset, sh->sh_size); |
| 20238 | break; |
| 20239 | case SHT_DYNSYM: |
| 20240 | nb_syms = sh->sh_size / sizeof(Elf32_Sym); |
| 20241 | dynsym = load_data(fd, sh->sh_offset, sh->sh_size); |
| 20242 | sh1 = &shdr[sh->sh_link]; |
| 20243 | dynstr = load_data(fd, sh1->sh_offset, sh1->sh_size); |
| 20244 | break; |
| 20245 | default: |
| 20246 | break; |
| 20247 | } |
| 20248 | } |
| 20249 | |
| 20250 | /* compute the real library name */ |
| 20251 | soname = filename; |
| 20252 | p = strrchr(soname, '/'); |
| 20253 | if (p) |
| 20254 | soname = p + 1; |
| 20255 | |
| 20256 | for(i = 0, dt = dynamic; i < nb_dts; i++, dt++) { |
| 20257 | if (dt->d_tag == DT_SONAME) { |
| 20258 | soname = dynstr + dt->d_un.d_val; |
| 20259 | } |
| 20260 | } |
| 20261 | |
| 20262 | /* if the dll is already loaded, do not load it */ |
| 20263 | for(i = 0; i < s1->nb_loaded_dlls; i++) { |
| 20264 | dllref = s1->loaded_dlls[i]; |
| 20265 | if (!strcmp(soname, dllref->name)) { |
| 20266 | /* but update level if needed */ |
| 20267 | if (level < dllref->level) |
| 20268 | dllref->level = level; |
| 20269 | ret = 0; |
| 20270 | goto the_end; |
| 20271 | } |
| 20272 | } |
| 20273 | |
| 20274 | // printf("loading dll '%s'\n", soname); |
| 20275 | |
| 20276 | /* add the dll and its level */ |
| 20277 | dllref = tcc_malloc(sizeof(DLLReference) + strlen(soname)); |
| 20278 | dllref->level = level; |
| 20279 | strcpy(dllref->name, soname); |
| 20280 | dynarray_add((void ***)&s1->loaded_dlls, &s1->nb_loaded_dlls, dllref); |
| 20281 | |
| 20282 | /* add dynamic symbols in dynsym_section */ |
| 20283 | for(i = 1, sym = dynsym + 1; i < nb_syms; i++, sym++) { |
| 20284 | sym_bind = ELF32_ST_BIND(sym->st_info); |
| 20285 | if (sym_bind == STB_LOCAL) |
| 20286 | continue; |
| 20287 | name = dynstr + sym->st_name; |
| 20288 | add_elf_sym(s1->dynsymtab_section, sym->st_value, sym->st_size, |
| 20289 | sym->st_info, sym->st_other, sym->st_shndx, name); |
| 20290 | } |
| 20291 | |
| 20292 | /* load all referenced DLLs */ |
| 20293 | for(i = 0, dt = dynamic; i < nb_dts; i++, dt++) { |
| 20294 | switch(dt->d_tag) { |
| 20295 | case DT_NEEDED: |
| 20296 | name = dynstr + dt->d_un.d_val; |
| 20297 | for(i = 0; i < s1->nb_loaded_dlls; i++) { |
| 20298 | dllref = s1->loaded_dlls[i]; |
| 20299 | if (!strcmp(name, dllref->name)) |
| 20300 | goto already_loaded; |
| 20301 | } |
| 20302 | if (tcc_add_dll(s1, name, AFF_REFERENCED_DLL) < 0) { |
| 20303 | error_noabort("referenced dll '%s' not found", name); |
| 20304 | ret = -1; |
| 20305 | goto the_end; |
| 20306 | } |
| 20307 | already_loaded: |
| 20308 | break; |
| 20309 | } |
| 20310 | } |
| 20311 | ret = 0; |
| 20312 | the_end: |
| 20313 | tcc_free(dynstr); |
| 20314 | tcc_free(dynsym); |
| 20315 | tcc_free(dynamic); |
| 20316 | tcc_free(shdr); |
| 20317 | return ret; |
| 20318 | } |
| 20319 | |
| 20320 | #define LD_TOK_NAME 256 |
| 20321 | #define LD_TOK_EOF (-1) |
| 20322 | |
| 20323 | /* return next ld script token */ |
| 20324 | static int ld_next(TCCState *s1, char *name, int name_size) |
| 20325 | { |
| 20326 | int c; |
| 20327 | char *q; |
| 20328 | |
| 20329 | redo: |
| 20330 | switch(ch) { |
| 20331 | case ' ': |
| 20332 | case '\t': |
| 20333 | case '\f': |
| 20334 | case '\v': |
| 20335 | case '\r': |
| 20336 | case '\n': |
| 20337 | inp(); |
| 20338 | goto redo; |
| 20339 | case '/': |
| 20340 | minp(); |
| 20341 | if (ch == '*') { |
| 20342 | file->buf_ptr = parse_comment(file->buf_ptr); |
| 20343 | ch = file->buf_ptr[0]; |
| 20344 | goto redo; |
| 20345 | } else { |
| 20346 | q = name; |
| 20347 | *q++ = '/'; |
| 20348 | goto parse_name; |
| 20349 | } |
| 20350 | break; |
| 20351 | case 'a' ... 'z': |
| 20352 | case 'A' ... 'Z': |
| 20353 | case '_': |
| 20354 | case '\\': |
| 20355 | case '.': |
| 20356 | case '$': |
| 20357 | case '~': |
| 20358 | q = name; |
| 20359 | parse_name: |
| 20360 | for(;;) { |
| 20361 | if (!((ch >= 'a' && ch <= 'z') || |
| 20362 | (ch >= 'A' && ch <= 'Z') || |
| 20363 | (ch >= '0' && ch <= '9') || |
| 20364 | strchr("/.-_+=$:\\,~", ch))) |
| 20365 | break; |
| 20366 | if ((q - name) < name_size - 1) { |
| 20367 | *q++ = ch; |
| 20368 | } |
| 20369 | minp(); |
| 20370 | } |
| 20371 | *q = '\0'; |
| 20372 | c = LD_TOK_NAME; |
| 20373 | break; |
| 20374 | case CH_EOF: |
| 20375 | c = LD_TOK_EOF; |
| 20376 | break; |
| 20377 | default: |
| 20378 | c = ch; |
| 20379 | inp(); |
| 20380 | break; |
| 20381 | } |
| 20382 | #if 0 |
| 20383 | printf("tok=%c %d\n", c, c); |
| 20384 | if (c == LD_TOK_NAME) |
| 20385 | printf(" name=%s\n", name); |
| 20386 | #endif |
| 20387 | return c; |
| 20388 | } |
| 20389 | |
| 20390 | /* interpret a subset of GNU ldscripts to handle the dummy libc.so |
| 20391 | files */ |
| 20392 | static int tcc_load_ldscript(TCCState *s1) |
| 20393 | { |
| 20394 | char cmd[64]; |
| 20395 | char filename[1024]; |
| 20396 | int t; |
| 20397 | |
| 20398 | ch = file->buf_ptr[0]; |
| 20399 | ch = handle_eob(); |
| 20400 | for(;;) { |
| 20401 | t = ld_next(s1, cmd, sizeof(cmd)); |
| 20402 | if (t == LD_TOK_EOF) |
| 20403 | return 0; |
| 20404 | else if (t != LD_TOK_NAME) |
| 20405 | return -1; |
| 20406 | if (!strcmp(cmd, "INPUT") || |
| 20407 | !strcmp(cmd, "GROUP")) { |
| 20408 | t = ld_next(s1, cmd, sizeof(cmd)); |
| 20409 | if (t != '(') |
| 20410 | expect("("); |
| 20411 | t = ld_next(s1, filename, sizeof(filename)); |
| 20412 | for(;;) { |
| 20413 | if (t == LD_TOK_EOF) { |
| 20414 | error_noabort("unexpected end of file"); |
| 20415 | return -1; |
| 20416 | } else if (t == ')') { |
| 20417 | break; |
| 20418 | } else if (t != LD_TOK_NAME) { |
| 20419 | error_noabort("filename expected"); |
| 20420 | return -1; |
| 20421 | } |
| 20422 | tcc_add_file(s1, filename); |
| 20423 | t = ld_next(s1, filename, sizeof(filename)); |
| 20424 | if (t == ',') { |
| 20425 | t = ld_next(s1, filename, sizeof(filename)); |
| 20426 | } |
| 20427 | } |
| 20428 | } else if (!strcmp(cmd, "OUTPUT_FORMAT") || |
| 20429 | !strcmp(cmd, "TARGET")) { |
| 20430 | /* ignore some commands */ |
| 20431 | t = ld_next(s1, cmd, sizeof(cmd)); |
| 20432 | if (t != '(') |
| 20433 | expect("("); |
| 20434 | for(;;) { |
| 20435 | t = ld_next(s1, filename, sizeof(filename)); |
| 20436 | if (t == LD_TOK_EOF) { |
| 20437 | error_noabort("unexpected end of file"); |
| 20438 | return -1; |
| 20439 | } else if (t == ')') { |
| 20440 | break; |
| 20441 | } |
| 20442 | } |
| 20443 | } else { |
| 20444 | return -1; |
| 20445 | } |
| 20446 | } |
| 20447 | return 0; |
| 20448 | } |
| 20449 | //--------------------------------------------------------------------------- |
| 20450 | |
| 20451 | #ifdef TCC_TARGET_COFF |
| 20452 | #include "tcccoff.c" |
| 20453 | #endif |
| 20454 | |
| 20455 | #ifdef TCC_TARGET_PE |
| 20456 | #include "tccpe.c" |
| 20457 | #endif |
| 20458 | |
| 20459 | /* print the position in the source file of PC value 'pc' by reading |
| 20460 | the stabs debug information */ |
| 20461 | static void rt_printline(unsigned long wanted_pc) |
| 20462 | { |
| 20463 | Stab_Sym *sym, *sym_end; |
| 20464 | char func_name[128], last_func_name[128]; |
| 20465 | unsigned long func_addr, last_pc, pc; |
| 20466 | const char *incl_files[INCLUDE_STACK_SIZE]; |
| 20467 | int incl_index, len, last_line_num, i; |
| 20468 | const char *str, *p; |
| 20469 | |
| 20470 | fprintf(stderr, "0x%08lx:", wanted_pc); |
| 20471 | |
| 20472 | func_name[0] = '\0'; |
| 20473 | func_addr = 0; |
| 20474 | incl_index = 0; |
| 20475 | last_func_name[0] = '\0'; |
| 20476 | last_pc = 0xffffffff; |
| 20477 | last_line_num = 1; |
| 20478 | sym = (Stab_Sym *)stab_section->data + 1; |
| 20479 | sym_end = (Stab_Sym *)(stab_section->data + stab_section->data_offset); |
| 20480 | while (sym < sym_end) { |
| 20481 | switch(sym->n_type) { |
| 20482 | /* function start or end */ |
| 20483 | case N_FUN: |
| 20484 | if (sym->n_strx == 0) { |
| 20485 | /* we test if between last line and end of function */ |
| 20486 | pc = sym->n_value + func_addr; |
| 20487 | if (wanted_pc >= last_pc && wanted_pc < pc) |
| 20488 | goto found; |
| 20489 | func_name[0] = '\0'; |
| 20490 | func_addr = 0; |
| 20491 | } else { |
| 20492 | str = stabstr_section->data + sym->n_strx; |
| 20493 | p = strchr(str, ':'); |
| 20494 | if (!p) { |
| 20495 | pstrcpy(func_name, sizeof(func_name), str); |
| 20496 | } else { |
| 20497 | len = p - str; |
| 20498 | if (len > sizeof(func_name) - 1) |
| 20499 | len = sizeof(func_name) - 1; |
| 20500 | memcpy(func_name, str, len); |
| 20501 | func_name[len] = '\0'; |
| 20502 | } |
| 20503 | func_addr = sym->n_value; |
| 20504 | } |
| 20505 | break; |
| 20506 | /* line number info */ |
| 20507 | case N_SLINE: |
| 20508 | pc = sym->n_value + func_addr; |
| 20509 | if (wanted_pc >= last_pc && wanted_pc < pc) |
| 20510 | goto found; |
| 20511 | last_pc = pc; |
| 20512 | last_line_num = sym->n_desc; |
| 20513 | /* XXX: slow! */ |
| 20514 | strcpy(last_func_name, func_name); |
| 20515 | break; |
| 20516 | /* include files */ |
| 20517 | case N_BINCL: |
| 20518 | str = stabstr_section->data + sym->n_strx; |
| 20519 | add_incl: |
| 20520 | if (incl_index < INCLUDE_STACK_SIZE) { |
| 20521 | incl_files[incl_index++] = str; |
| 20522 | } |
| 20523 | break; |
| 20524 | case N_EINCL: |
| 20525 | if (incl_index > 1) |
| 20526 | incl_index--; |
| 20527 | break; |
| 20528 | case N_SO: |
| 20529 | if (sym->n_strx == 0) { |
| 20530 | incl_index = 0; /* end of translation unit */ |
| 20531 | } else { |
| 20532 | str = stabstr_section->data + sym->n_strx; |
| 20533 | /* do not add path */ |
| 20534 | len = strlen(str); |
| 20535 | if (len > 0 && str[len - 1] != '/') |
| 20536 | goto add_incl; |
| 20537 | } |
| 20538 | break; |
| 20539 | } |
| 20540 | sym++; |
| 20541 | } |
| 20542 | |
| 20543 | /* second pass: we try symtab symbols (no line number info) */ |
| 20544 | incl_index = 0; |
| 20545 | { |
| 20546 | Elf32_Sym *sym, *sym_end; |
| 20547 | int type; |
| 20548 | |
| 20549 | sym_end = (Elf32_Sym *)(symtab_section->data + symtab_section->data_offset); |
| 20550 | for(sym = (Elf32_Sym *)symtab_section->data + 1; |
| 20551 | sym < sym_end; |
| 20552 | sym++) { |
| 20553 | type = ELF32_ST_TYPE(sym->st_info); |
| 20554 | if (type == STT_FUNC) { |
| 20555 | if (wanted_pc >= sym->st_value && |
| 20556 | wanted_pc < sym->st_value + sym->st_size) { |
| 20557 | pstrcpy(last_func_name, sizeof(last_func_name), |
| 20558 | strtab_section->data + sym->st_name); |
| 20559 | goto found; |
| 20560 | } |
| 20561 | } |
| 20562 | } |
| 20563 | } |
| 20564 | /* did not find any info: */ |
| 20565 | fprintf(stderr, " ???\n"); |
| 20566 | return; |
| 20567 | found: |
| 20568 | if (last_func_name[0] != '\0') { |
| 20569 | fprintf(stderr, " %s()", last_func_name); |
| 20570 | } |
| 20571 | if (incl_index > 0) { |
| 20572 | fprintf(stderr, " (%s:%d", |
| 20573 | incl_files[incl_index - 1], last_line_num); |
| 20574 | for(i = incl_index - 2; i >= 0; i--) |
| 20575 | fprintf(stderr, ", included from %s", incl_files[i]); |
| 20576 | fprintf(stderr, ")"); |
| 20577 | } |
| 20578 | fprintf(stderr, "\n"); |
| 20579 | } |
| 20580 | |
| 20581 | #if !defined(WIN32) && !defined(CONFIG_TCCBOOT) |
| 20582 | |
njn | 99c8558 | 2005-12-20 23:02:43 +0000 | [diff] [blame] | 20583 | /* return the PC at frame level 'level'. Return non zero if not found */ |
| 20584 | static int rt_get_caller_pc(unsigned long *paddr, |
| 20585 | ucontext_t *uc, int level) |
| 20586 | { |
| 20587 | unsigned long fp; |
njn | a30bec8 | 2006-03-30 10:26:44 +0000 | [diff] [blame] | 20588 | //int i; |
njn | 99c8558 | 2005-12-20 23:02:43 +0000 | [diff] [blame] | 20589 | |
| 20590 | if (level == 0) { |
sewardj | b1e1a7a | 2005-12-26 03:54:49 +0000 | [diff] [blame] | 20591 | *paddr = 12345; //uc->uc_mcontext.gregs[REG_EIP]; |
njn | 99c8558 | 2005-12-20 23:02:43 +0000 | [diff] [blame] | 20592 | return 0; |
| 20593 | } else { |
sewardj | b1e1a7a | 2005-12-26 03:54:49 +0000 | [diff] [blame] | 20594 | fp = 23456; //uc->uc_mcontext.gregs[REG_EBP]; |
njn | 99c8558 | 2005-12-20 23:02:43 +0000 | [diff] [blame] | 20595 | return 0; |
| 20596 | } |
| 20597 | } |
njn | 99c8558 | 2005-12-20 23:02:43 +0000 | [diff] [blame] | 20598 | |
| 20599 | /* emit a run time error at position 'pc' */ |
| 20600 | void rt_error(ucontext_t *uc, const char *fmt, ...) |
| 20601 | { |
| 20602 | va_list ap; |
| 20603 | unsigned long pc; |
| 20604 | int i; |
| 20605 | |
| 20606 | va_start(ap, fmt); |
| 20607 | fprintf(stderr, "Runtime error: "); |
| 20608 | vfprintf(stderr, fmt, ap); |
| 20609 | fprintf(stderr, "\n"); |
| 20610 | for(i=0;i<num_callers;i++) { |
| 20611 | if (rt_get_caller_pc(&pc, uc, i) < 0) |
| 20612 | break; |
| 20613 | if (i == 0) |
| 20614 | fprintf(stderr, "at "); |
| 20615 | else |
| 20616 | fprintf(stderr, "by "); |
| 20617 | rt_printline(pc); |
| 20618 | } |
| 20619 | exit(255); |
| 20620 | va_end(ap); |
| 20621 | } |
| 20622 | |
| 20623 | /* signal handler for fatal errors */ |
| 20624 | static void sig_error(int signum, siginfo_t *siginf, void *puc) |
| 20625 | { |
| 20626 | ucontext_t *uc = puc; |
| 20627 | |
| 20628 | switch(signum) { |
| 20629 | case SIGFPE: |
| 20630 | switch(siginf->si_code) { |
| 20631 | case FPE_INTDIV: |
| 20632 | case FPE_FLTDIV: |
| 20633 | rt_error(uc, "division by zero"); |
| 20634 | break; |
| 20635 | default: |
| 20636 | rt_error(uc, "floating point exception"); |
| 20637 | break; |
| 20638 | } |
| 20639 | break; |
| 20640 | case SIGBUS: |
| 20641 | case SIGSEGV: |
| 20642 | if (rt_bound_error_msg && *rt_bound_error_msg) |
| 20643 | rt_error(uc, *rt_bound_error_msg); |
| 20644 | else |
| 20645 | rt_error(uc, "dereferencing invalid pointer"); |
| 20646 | break; |
| 20647 | case SIGILL: |
| 20648 | rt_error(uc, "illegal instruction"); |
| 20649 | break; |
| 20650 | case SIGABRT: |
| 20651 | rt_error(uc, "abort() called"); |
| 20652 | break; |
| 20653 | default: |
| 20654 | rt_error(uc, "caught signal %d", signum); |
| 20655 | break; |
| 20656 | } |
| 20657 | exit(255); |
| 20658 | } |
| 20659 | #endif |
| 20660 | |
| 20661 | /* do all relocations (needed before using tcc_get_symbol()) */ |
| 20662 | int tcc_relocate(TCCState *s1) |
| 20663 | { |
| 20664 | Section *s; |
| 20665 | int i; |
| 20666 | |
| 20667 | s1->nb_errors = 0; |
| 20668 | |
| 20669 | #ifdef TCC_TARGET_PE |
| 20670 | pe_add_runtime(s1); |
| 20671 | #else |
| 20672 | tcc_add_runtime(s1); |
| 20673 | #endif |
| 20674 | |
| 20675 | relocate_common_syms(); |
| 20676 | |
| 20677 | tcc_add_linker_symbols(s1); |
| 20678 | |
| 20679 | build_got_entries(s1); |
| 20680 | |
| 20681 | /* compute relocation address : section are relocated in place. We |
| 20682 | also alloc the bss space */ |
| 20683 | for(i = 1; i < s1->nb_sections; i++) { |
| 20684 | s = s1->sections[i]; |
| 20685 | if (s->sh_flags & SHF_ALLOC) { |
| 20686 | if (s->sh_type == SHT_NOBITS) |
| 20687 | s->data = tcc_mallocz(s->data_offset); |
| 20688 | s->sh_addr = (unsigned long)s->data; |
| 20689 | } |
| 20690 | } |
| 20691 | |
| 20692 | relocate_syms(s1, 1); |
| 20693 | |
| 20694 | if (s1->nb_errors != 0) |
| 20695 | return -1; |
| 20696 | |
| 20697 | /* relocate each section */ |
| 20698 | for(i = 1; i < s1->nb_sections; i++) { |
| 20699 | s = s1->sections[i]; |
| 20700 | if (s->reloc) |
| 20701 | relocate_section(s1, s); |
| 20702 | } |
| 20703 | return 0; |
| 20704 | } |
| 20705 | |
| 20706 | /* launch the compiled program with the given arguments */ |
| 20707 | int tcc_run(TCCState *s1, int argc, char **argv) |
| 20708 | { |
| 20709 | int (*prog_main)(int, char **); |
| 20710 | |
| 20711 | if (tcc_relocate(s1) < 0) |
| 20712 | return -1; |
| 20713 | |
| 20714 | prog_main = tcc_get_symbol_err(s1, "main"); |
| 20715 | |
| 20716 | if (do_debug) { |
| 20717 | #if defined(WIN32) || defined(CONFIG_TCCBOOT) |
| 20718 | error("debug mode currently not available for Windows"); |
| 20719 | #else |
| 20720 | struct sigaction sigact; |
| 20721 | /* install TCC signal handlers to print debug info on fatal |
| 20722 | runtime errors */ |
| 20723 | sigact.sa_flags = SA_SIGINFO | SA_RESETHAND; |
| 20724 | sigact.sa_sigaction = sig_error; |
| 20725 | sigemptyset(&sigact.sa_mask); |
| 20726 | sigaction(SIGFPE, &sigact, NULL); |
| 20727 | sigaction(SIGILL, &sigact, NULL); |
| 20728 | sigaction(SIGSEGV, &sigact, NULL); |
| 20729 | sigaction(SIGBUS, &sigact, NULL); |
| 20730 | sigaction(SIGABRT, &sigact, NULL); |
| 20731 | #endif |
| 20732 | } |
| 20733 | |
| 20734 | #ifdef CONFIG_TCC_BCHECK |
| 20735 | if (do_bounds_check) { |
| 20736 | void (*bound_init)(void); |
| 20737 | |
| 20738 | /* set error function */ |
| 20739 | rt_bound_error_msg = (void *)tcc_get_symbol_err(s1, |
| 20740 | "__bound_error_msg"); |
| 20741 | |
| 20742 | /* XXX: use .init section so that it also work in binary ? */ |
| 20743 | bound_init = (void *)tcc_get_symbol_err(s1, "__bound_init"); |
| 20744 | bound_init(); |
| 20745 | } |
| 20746 | #endif |
| 20747 | return (*prog_main)(argc, argv); |
| 20748 | } |
| 20749 | |
| 20750 | TCCState *tcc_new(void) |
| 20751 | { |
| 20752 | const char *p, *r; |
| 20753 | TCCState *s; |
| 20754 | TokenSym *ts; |
| 20755 | int i, c; |
| 20756 | |
| 20757 | s = tcc_mallocz(sizeof(TCCState)); |
| 20758 | if (!s) |
| 20759 | return NULL; |
| 20760 | tcc_state = s; |
| 20761 | s->output_type = TCC_OUTPUT_MEMORY; |
| 20762 | |
| 20763 | /* init isid table */ |
| 20764 | for(i=0;i<256;i++) |
| 20765 | isidnum_table[i] = isid(i) || isnum(i); |
| 20766 | |
| 20767 | /* add all tokens */ |
| 20768 | table_ident = NULL; |
| 20769 | memset(hash_ident, 0, TOK_HASH_SIZE * sizeof(TokenSym *)); |
| 20770 | |
| 20771 | tok_ident = TOK_IDENT; |
| 20772 | p = tcc_keywords; |
| 20773 | while (*p) { |
| 20774 | r = p; |
| 20775 | for(;;) { |
| 20776 | c = *r++; |
| 20777 | if (c == '\0') |
| 20778 | break; |
| 20779 | } |
| 20780 | ts = tok_alloc(p, r - p - 1); |
| 20781 | p = r; |
| 20782 | } |
| 20783 | |
| 20784 | /* we add dummy defines for some special macros to speed up tests |
| 20785 | and to have working defined() */ |
| 20786 | define_push(TOK___LINE__, MACRO_OBJ, NULL, NULL); |
| 20787 | define_push(TOK___FILE__, MACRO_OBJ, NULL, NULL); |
| 20788 | define_push(TOK___DATE__, MACRO_OBJ, NULL, NULL); |
| 20789 | define_push(TOK___TIME__, MACRO_OBJ, NULL, NULL); |
| 20790 | |
| 20791 | /* standard defines */ |
| 20792 | tcc_define_symbol(s, "__STDC__", NULL); |
| 20793 | #if defined(TCC_TARGET_I386) |
| 20794 | tcc_define_symbol(s, "__i386__", NULL); |
| 20795 | #endif |
| 20796 | #if defined(TCC_TARGET_ARM) |
| 20797 | tcc_define_symbol(s, "__ARM_ARCH_4__", NULL); |
| 20798 | tcc_define_symbol(s, "__arm_elf__", NULL); |
| 20799 | tcc_define_symbol(s, "__arm_elf", NULL); |
| 20800 | tcc_define_symbol(s, "arm_elf", NULL); |
| 20801 | tcc_define_symbol(s, "__arm__", NULL); |
| 20802 | tcc_define_symbol(s, "__arm", NULL); |
| 20803 | tcc_define_symbol(s, "arm", NULL); |
| 20804 | tcc_define_symbol(s, "__APCS_32__", NULL); |
| 20805 | #endif |
| 20806 | #if defined(linux) |
| 20807 | tcc_define_symbol(s, "__linux__", NULL); |
| 20808 | tcc_define_symbol(s, "linux", NULL); |
| 20809 | #endif |
| 20810 | /* tiny C specific defines */ |
| 20811 | tcc_define_symbol(s, "__TINYC__", NULL); |
| 20812 | |
| 20813 | /* tiny C & gcc defines */ |
| 20814 | tcc_define_symbol(s, "__SIZE_TYPE__", "unsigned int"); |
| 20815 | tcc_define_symbol(s, "__PTRDIFF_TYPE__", "int"); |
| 20816 | tcc_define_symbol(s, "__WCHAR_TYPE__", "int"); |
| 20817 | |
| 20818 | /* default library paths */ |
| 20819 | #ifdef TCC_TARGET_PE |
| 20820 | { |
| 20821 | char buf[1024]; |
| 20822 | snprintf(buf, sizeof(buf), "%s/lib", tcc_lib_path); |
| 20823 | tcc_add_library_path(s, buf); |
| 20824 | } |
| 20825 | #else |
| 20826 | tcc_add_library_path(s, "/usr/local/lib"); |
| 20827 | tcc_add_library_path(s, "/usr/lib"); |
| 20828 | tcc_add_library_path(s, "/lib"); |
| 20829 | #endif |
| 20830 | |
| 20831 | /* no section zero */ |
| 20832 | dynarray_add((void ***)&s->sections, &s->nb_sections, NULL); |
| 20833 | |
| 20834 | /* create standard sections */ |
| 20835 | text_section = new_section(s, ".text", SHT_PROGBITS, SHF_ALLOC | SHF_EXECINSTR); |
| 20836 | data_section = new_section(s, ".data", SHT_PROGBITS, SHF_ALLOC | SHF_WRITE); |
| 20837 | bss_section = new_section(s, ".bss", SHT_NOBITS, SHF_ALLOC | SHF_WRITE); |
| 20838 | |
| 20839 | /* symbols are always generated for linking stage */ |
| 20840 | symtab_section = new_symtab(s, ".symtab", SHT_SYMTAB, 0, |
| 20841 | ".strtab", |
| 20842 | ".hashtab", SHF_PRIVATE); |
| 20843 | strtab_section = symtab_section->link; |
| 20844 | |
| 20845 | /* private symbol table for dynamic symbols */ |
| 20846 | s->dynsymtab_section = new_symtab(s, ".dynsymtab", SHT_SYMTAB, SHF_PRIVATE, |
| 20847 | ".dynstrtab", |
| 20848 | ".dynhashtab", SHF_PRIVATE); |
| 20849 | s->alacarte_link = 1; |
| 20850 | |
| 20851 | #ifdef CHAR_IS_UNSIGNED |
| 20852 | s->char_is_unsigned = 1; |
| 20853 | #endif |
| 20854 | #if defined(TCC_TARGET_PE) && 0 |
| 20855 | /* XXX: currently the PE linker is not ready to support that */ |
| 20856 | s->leading_underscore = 1; |
| 20857 | #endif |
| 20858 | return s; |
| 20859 | } |
| 20860 | |
| 20861 | void tcc_delete(TCCState *s1) |
| 20862 | { |
| 20863 | int i, n; |
| 20864 | |
| 20865 | /* free -D defines */ |
| 20866 | free_defines(NULL); |
| 20867 | |
| 20868 | /* free tokens */ |
| 20869 | n = tok_ident - TOK_IDENT; |
| 20870 | for(i = 0; i < n; i++) |
| 20871 | tcc_free(table_ident[i]); |
| 20872 | tcc_free(table_ident); |
| 20873 | |
| 20874 | /* free all sections */ |
| 20875 | |
| 20876 | free_section(symtab_section->hash); |
| 20877 | |
| 20878 | free_section(s1->dynsymtab_section->hash); |
| 20879 | free_section(s1->dynsymtab_section->link); |
| 20880 | free_section(s1->dynsymtab_section); |
| 20881 | |
| 20882 | for(i = 1; i < s1->nb_sections; i++) |
| 20883 | free_section(s1->sections[i]); |
| 20884 | tcc_free(s1->sections); |
| 20885 | |
| 20886 | /* free loaded dlls array */ |
| 20887 | for(i = 0; i < s1->nb_loaded_dlls; i++) |
| 20888 | tcc_free(s1->loaded_dlls[i]); |
| 20889 | tcc_free(s1->loaded_dlls); |
| 20890 | |
| 20891 | /* library paths */ |
| 20892 | for(i = 0; i < s1->nb_library_paths; i++) |
| 20893 | tcc_free(s1->library_paths[i]); |
| 20894 | tcc_free(s1->library_paths); |
| 20895 | |
| 20896 | /* cached includes */ |
| 20897 | for(i = 0; i < s1->nb_cached_includes; i++) |
| 20898 | tcc_free(s1->cached_includes[i]); |
| 20899 | tcc_free(s1->cached_includes); |
| 20900 | |
| 20901 | for(i = 0; i < s1->nb_include_paths; i++) |
| 20902 | tcc_free(s1->include_paths[i]); |
| 20903 | tcc_free(s1->include_paths); |
| 20904 | |
| 20905 | for(i = 0; i < s1->nb_sysinclude_paths; i++) |
| 20906 | tcc_free(s1->sysinclude_paths[i]); |
| 20907 | tcc_free(s1->sysinclude_paths); |
| 20908 | |
| 20909 | tcc_free(s1); |
| 20910 | } |
| 20911 | |
| 20912 | int tcc_add_include_path(TCCState *s1, const char *pathname) |
| 20913 | { |
| 20914 | char *pathname1; |
| 20915 | |
| 20916 | pathname1 = tcc_strdup(pathname); |
| 20917 | dynarray_add((void ***)&s1->include_paths, &s1->nb_include_paths, pathname1); |
| 20918 | return 0; |
| 20919 | } |
| 20920 | |
| 20921 | int tcc_add_sysinclude_path(TCCState *s1, const char *pathname) |
| 20922 | { |
| 20923 | char *pathname1; |
| 20924 | |
| 20925 | pathname1 = tcc_strdup(pathname); |
| 20926 | dynarray_add((void ***)&s1->sysinclude_paths, &s1->nb_sysinclude_paths, pathname1); |
| 20927 | return 0; |
| 20928 | } |
| 20929 | |
| 20930 | static int tcc_add_file_internal(TCCState *s1, const char *filename, int flags) |
| 20931 | { |
| 20932 | const char *ext, *filename1; |
| 20933 | Elf32_Ehdr ehdr; |
| 20934 | int fd, ret; |
| 20935 | BufferedFile *saved_file; |
| 20936 | |
| 20937 | /* find source file type with extension */ |
| 20938 | filename1 = strrchr(filename, '/'); |
| 20939 | if (filename1) |
| 20940 | filename1++; |
| 20941 | else |
| 20942 | filename1 = filename; |
| 20943 | ext = strrchr(filename1, '.'); |
| 20944 | if (ext) |
| 20945 | ext++; |
| 20946 | |
| 20947 | /* open the file */ |
| 20948 | saved_file = file; |
| 20949 | file = tcc_open(s1, filename); |
| 20950 | if (!file) { |
| 20951 | if (flags & AFF_PRINT_ERROR) { |
| 20952 | error_noabort("file '%s' not found", filename); |
| 20953 | } |
| 20954 | ret = -1; |
| 20955 | goto fail1; |
| 20956 | } |
| 20957 | |
| 20958 | if (!ext || !strcmp(ext, "c")) { |
| 20959 | /* C file assumed */ |
| 20960 | ret = tcc_compile(s1); |
| 20961 | } else |
| 20962 | #ifdef CONFIG_TCC_ASM |
| 20963 | if (!strcmp(ext, "S")) { |
| 20964 | /* preprocessed assembler */ |
| 20965 | ret = tcc_assemble(s1, 1); |
| 20966 | } else if (!strcmp(ext, "s")) { |
| 20967 | /* non preprocessed assembler */ |
| 20968 | ret = tcc_assemble(s1, 0); |
| 20969 | } else |
| 20970 | #endif |
| 20971 | #ifdef TCC_TARGET_PE |
| 20972 | if (!strcmp(ext, "def")) { |
| 20973 | ret = pe_load_def_file(s1, fdopen(file->fd, "rb")); |
| 20974 | } else |
| 20975 | #endif |
| 20976 | { |
| 20977 | fd = file->fd; |
| 20978 | /* assume executable format: auto guess file type */ |
| 20979 | ret = read(fd, &ehdr, sizeof(ehdr)); |
| 20980 | lseek(fd, 0, SEEK_SET); |
| 20981 | if (ret <= 0) { |
| 20982 | error_noabort("could not read header"); |
| 20983 | goto fail; |
| 20984 | } else if (ret != sizeof(ehdr)) { |
| 20985 | goto try_load_script; |
| 20986 | } |
| 20987 | |
| 20988 | if (ehdr.e_ident[0] == ELFMAG0 && |
| 20989 | ehdr.e_ident[1] == ELFMAG1 && |
| 20990 | ehdr.e_ident[2] == ELFMAG2 && |
| 20991 | ehdr.e_ident[3] == ELFMAG3) { |
| 20992 | file->line_num = 0; /* do not display line number if error */ |
| 20993 | if (ehdr.e_type == ET_REL) { |
| 20994 | ret = tcc_load_object_file(s1, fd, 0); |
| 20995 | } else if (ehdr.e_type == ET_DYN) { |
| 20996 | if (s1->output_type == TCC_OUTPUT_MEMORY) { |
| 20997 | #ifdef TCC_TARGET_PE |
| 20998 | ret = -1; |
| 20999 | #else |
| 21000 | void *h; |
sewardj | b1e1a7a | 2005-12-26 03:54:49 +0000 | [diff] [blame] | 21001 | assert(0); |
| 21002 | h = 0; |
| 21003 | //h = dlopen(filename, RTLD_GLOBAL | RTLD_LAZY); |
| 21004 | // jrs: remove need for dlopen |
njn | 99c8558 | 2005-12-20 23:02:43 +0000 | [diff] [blame] | 21005 | if (h) |
| 21006 | ret = 0; |
| 21007 | else |
| 21008 | ret = -1; |
| 21009 | #endif |
| 21010 | } else { |
| 21011 | ret = tcc_load_dll(s1, fd, filename, |
| 21012 | (flags & AFF_REFERENCED_DLL) != 0); |
| 21013 | } |
| 21014 | } else { |
| 21015 | error_noabort("unrecognized ELF file"); |
| 21016 | goto fail; |
| 21017 | } |
| 21018 | } else if (memcmp((char *)&ehdr, ARMAG, 8) == 0) { |
| 21019 | file->line_num = 0; /* do not display line number if error */ |
| 21020 | ret = tcc_load_archive(s1, fd); |
| 21021 | } else |
| 21022 | #ifdef TCC_TARGET_COFF |
| 21023 | if (*(uint16_t *)(&ehdr) == COFF_C67_MAGIC) { |
| 21024 | ret = tcc_load_coff(s1, fd); |
| 21025 | } else |
| 21026 | #endif |
| 21027 | { |
| 21028 | /* as GNU ld, consider it is an ld script if not recognized */ |
| 21029 | try_load_script: |
| 21030 | ret = tcc_load_ldscript(s1); |
| 21031 | if (ret < 0) { |
| 21032 | error_noabort("unrecognized file type"); |
| 21033 | goto fail; |
| 21034 | } |
| 21035 | } |
| 21036 | } |
| 21037 | the_end: |
| 21038 | tcc_close(file); |
| 21039 | fail1: |
| 21040 | file = saved_file; |
| 21041 | return ret; |
| 21042 | fail: |
| 21043 | ret = -1; |
| 21044 | goto the_end; |
| 21045 | } |
| 21046 | |
| 21047 | int tcc_add_file(TCCState *s, const char *filename) |
| 21048 | { |
| 21049 | return tcc_add_file_internal(s, filename, AFF_PRINT_ERROR); |
| 21050 | } |
| 21051 | |
| 21052 | int tcc_add_library_path(TCCState *s, const char *pathname) |
| 21053 | { |
| 21054 | char *pathname1; |
| 21055 | |
| 21056 | pathname1 = tcc_strdup(pathname); |
| 21057 | dynarray_add((void ***)&s->library_paths, &s->nb_library_paths, pathname1); |
| 21058 | return 0; |
| 21059 | } |
| 21060 | |
| 21061 | /* find and load a dll. Return non zero if not found */ |
| 21062 | /* XXX: add '-rpath' option support ? */ |
| 21063 | static int tcc_add_dll(TCCState *s, const char *filename, int flags) |
| 21064 | { |
| 21065 | char buf[1024]; |
| 21066 | int i; |
| 21067 | |
| 21068 | for(i = 0; i < s->nb_library_paths; i++) { |
| 21069 | snprintf(buf, sizeof(buf), "%s/%s", |
| 21070 | s->library_paths[i], filename); |
| 21071 | if (tcc_add_file_internal(s, buf, flags) == 0) |
| 21072 | return 0; |
| 21073 | } |
| 21074 | return -1; |
| 21075 | } |
| 21076 | |
| 21077 | /* the library name is the same as the argument of the '-l' option */ |
| 21078 | int tcc_add_library(TCCState *s, const char *libraryname) |
| 21079 | { |
| 21080 | char buf[1024]; |
| 21081 | int i; |
| 21082 | |
| 21083 | /* first we look for the dynamic library if not static linking */ |
| 21084 | if (!s->static_link) { |
| 21085 | #ifdef TCC_TARGET_PE |
| 21086 | snprintf(buf, sizeof(buf), "%s.def", libraryname); |
| 21087 | #else |
| 21088 | snprintf(buf, sizeof(buf), "lib%s.so", libraryname); |
| 21089 | #endif |
| 21090 | if (tcc_add_dll(s, buf, 0) == 0) |
| 21091 | return 0; |
| 21092 | } |
| 21093 | |
| 21094 | /* then we look for the static library */ |
| 21095 | for(i = 0; i < s->nb_library_paths; i++) { |
| 21096 | snprintf(buf, sizeof(buf), "%s/lib%s.a", |
| 21097 | s->library_paths[i], libraryname); |
| 21098 | if (tcc_add_file_internal(s, buf, 0) == 0) |
| 21099 | return 0; |
| 21100 | } |
| 21101 | return -1; |
| 21102 | } |
| 21103 | |
| 21104 | int tcc_add_symbol(TCCState *s, const char *name, unsigned long val) |
| 21105 | { |
| 21106 | add_elf_sym(symtab_section, val, 0, |
| 21107 | ELF32_ST_INFO(STB_GLOBAL, STT_NOTYPE), 0, |
| 21108 | SHN_ABS, name); |
| 21109 | return 0; |
| 21110 | } |
| 21111 | |
| 21112 | int tcc_set_output_type(TCCState *s, int output_type) |
| 21113 | { |
| 21114 | s->output_type = output_type; |
| 21115 | |
| 21116 | if (!s->nostdinc) { |
| 21117 | char buf[1024]; |
| 21118 | |
| 21119 | /* default include paths */ |
| 21120 | /* XXX: reverse order needed if -isystem support */ |
| 21121 | #ifndef TCC_TARGET_PE |
| 21122 | tcc_add_sysinclude_path(s, "/usr/local/include"); |
| 21123 | tcc_add_sysinclude_path(s, "/usr/include"); |
| 21124 | #endif |
| 21125 | snprintf(buf, sizeof(buf), "%s/include", tcc_lib_path); |
| 21126 | tcc_add_sysinclude_path(s, buf); |
| 21127 | #ifdef TCC_TARGET_PE |
| 21128 | snprintf(buf, sizeof(buf), "%s/include/winapi", tcc_lib_path); |
| 21129 | tcc_add_sysinclude_path(s, buf); |
| 21130 | #endif |
| 21131 | } |
| 21132 | |
| 21133 | /* if bound checking, then add corresponding sections */ |
| 21134 | #ifdef CONFIG_TCC_BCHECK |
| 21135 | if (do_bounds_check) { |
| 21136 | /* define symbol */ |
| 21137 | tcc_define_symbol(s, "__BOUNDS_CHECKING_ON", NULL); |
| 21138 | /* create bounds sections */ |
| 21139 | bounds_section = new_section(s, ".bounds", |
| 21140 | SHT_PROGBITS, SHF_ALLOC); |
| 21141 | lbounds_section = new_section(s, ".lbounds", |
| 21142 | SHT_PROGBITS, SHF_ALLOC); |
| 21143 | } |
| 21144 | #endif |
| 21145 | |
| 21146 | if (s->char_is_unsigned) { |
| 21147 | tcc_define_symbol(s, "__CHAR_UNSIGNED__", NULL); |
| 21148 | } |
| 21149 | |
| 21150 | /* add debug sections */ |
| 21151 | if (do_debug) { |
| 21152 | /* stab symbols */ |
| 21153 | stab_section = new_section(s, ".stab", SHT_PROGBITS, 0); |
| 21154 | stab_section->sh_entsize = sizeof(Stab_Sym); |
| 21155 | stabstr_section = new_section(s, ".stabstr", SHT_STRTAB, 0); |
| 21156 | put_elf_str(stabstr_section, ""); |
| 21157 | stab_section->link = stabstr_section; |
| 21158 | /* put first entry */ |
| 21159 | put_stabs("", 0, 0, 0, 0); |
| 21160 | } |
| 21161 | |
| 21162 | /* add libc crt1/crti objects */ |
| 21163 | #ifndef TCC_TARGET_PE |
| 21164 | if ((output_type == TCC_OUTPUT_EXE || output_type == TCC_OUTPUT_DLL) && |
| 21165 | !s->nostdlib) { |
| 21166 | if (output_type != TCC_OUTPUT_DLL) |
| 21167 | tcc_add_file(s, CONFIG_TCC_CRT_PREFIX "/crt1.o"); |
| 21168 | tcc_add_file(s, CONFIG_TCC_CRT_PREFIX "/crti.o"); |
| 21169 | } |
| 21170 | #endif |
| 21171 | return 0; |
| 21172 | } |
| 21173 | |
| 21174 | #define WD_ALL 0x0001 /* warning is activated when using -Wall */ |
| 21175 | #define FD_INVERT 0x0002 /* invert value before storing */ |
| 21176 | |
| 21177 | typedef struct FlagDef { |
| 21178 | uint16_t offset; |
| 21179 | uint16_t flags; |
| 21180 | const char *name; |
| 21181 | } FlagDef; |
| 21182 | |
| 21183 | static const FlagDef warning_defs[] = { |
| 21184 | { offsetof(TCCState, warn_unsupported), 0, "unsupported" }, |
| 21185 | { offsetof(TCCState, warn_write_strings), 0, "write-strings" }, |
| 21186 | { offsetof(TCCState, warn_error), 0, "error" }, |
| 21187 | { offsetof(TCCState, warn_implicit_function_declaration), WD_ALL, |
| 21188 | "implicit-function-declaration" }, |
| 21189 | }; |
| 21190 | |
| 21191 | static int set_flag(TCCState *s, const FlagDef *flags, int nb_flags, |
| 21192 | const char *name, int value) |
| 21193 | { |
| 21194 | int i; |
| 21195 | const FlagDef *p; |
| 21196 | const char *r; |
| 21197 | |
| 21198 | r = name; |
| 21199 | if (r[0] == 'n' && r[1] == 'o' && r[2] == '-') { |
| 21200 | r += 3; |
| 21201 | value = !value; |
| 21202 | } |
| 21203 | for(i = 0, p = flags; i < nb_flags; i++, p++) { |
| 21204 | if (!strcmp(r, p->name)) |
| 21205 | goto found; |
| 21206 | } |
| 21207 | return -1; |
| 21208 | found: |
| 21209 | if (p->flags & FD_INVERT) |
| 21210 | value = !value; |
| 21211 | *(int *)((uint8_t *)s + p->offset) = value; |
| 21212 | return 0; |
| 21213 | } |
| 21214 | |
| 21215 | |
| 21216 | /* set/reset a warning */ |
| 21217 | int tcc_set_warning(TCCState *s, const char *warning_name, int value) |
| 21218 | { |
| 21219 | int i; |
| 21220 | const FlagDef *p; |
| 21221 | |
| 21222 | if (!strcmp(warning_name, "all")) { |
| 21223 | for(i = 0, p = warning_defs; i < countof(warning_defs); i++, p++) { |
| 21224 | if (p->flags & WD_ALL) |
| 21225 | *(int *)((uint8_t *)s + p->offset) = 1; |
| 21226 | } |
| 21227 | return 0; |
| 21228 | } else { |
| 21229 | return set_flag(s, warning_defs, countof(warning_defs), |
| 21230 | warning_name, value); |
| 21231 | } |
| 21232 | } |
| 21233 | |
| 21234 | static const FlagDef flag_defs[] = { |
| 21235 | { offsetof(TCCState, char_is_unsigned), 0, "unsigned-char" }, |
| 21236 | { offsetof(TCCState, char_is_unsigned), FD_INVERT, "signed-char" }, |
| 21237 | { offsetof(TCCState, nocommon), FD_INVERT, "common" }, |
| 21238 | { offsetof(TCCState, leading_underscore), 0, "leading-underscore" }, |
| 21239 | }; |
| 21240 | |
| 21241 | /* set/reset a flag */ |
| 21242 | int tcc_set_flag(TCCState *s, const char *flag_name, int value) |
| 21243 | { |
| 21244 | return set_flag(s, flag_defs, countof(flag_defs), |
| 21245 | flag_name, value); |
| 21246 | } |
| 21247 | |
| 21248 | #if !defined(LIBTCC) |
| 21249 | |
| 21250 | /* extract the basename of a file */ |
| 21251 | static const char *tcc_basename(const char *name) |
| 21252 | { |
| 21253 | const char *p; |
| 21254 | p = strrchr(name, '/'); |
| 21255 | #ifdef WIN32 |
| 21256 | if (!p) |
| 21257 | p = strrchr(name, '\\'); |
| 21258 | #endif |
| 21259 | if (!p) |
| 21260 | p = name; |
| 21261 | else |
| 21262 | p++; |
| 21263 | return p; |
| 21264 | } |
| 21265 | |
| 21266 | static int64_t getclock_us(void) |
| 21267 | { |
| 21268 | #ifdef WIN32 |
| 21269 | struct _timeb tb; |
| 21270 | _ftime(&tb); |
| 21271 | return (tb.time * 1000LL + tb.millitm) * 1000LL; |
| 21272 | #else |
| 21273 | struct timeval tv; |
| 21274 | gettimeofday(&tv, NULL); |
| 21275 | return tv.tv_sec * 1000000LL + tv.tv_usec; |
| 21276 | #endif |
| 21277 | } |
| 21278 | |
| 21279 | void help(void) |
| 21280 | { |
sewardj | e4b0bf0 | 2006-06-05 23:21:15 +0000 | [diff] [blame] | 21281 | printf("tcc version " TCC_VERSION " - Tiny C Compiler - Copyright (C) 2001-2006 Fabrice Bellard\n" |
njn | 99c8558 | 2005-12-20 23:02:43 +0000 | [diff] [blame] | 21282 | "usage: tcc [-v] [-c] [-o outfile] [-Bdir] [-bench] [-Idir] [-Dsym[=val]] [-Usym]\n" |
| 21283 | " [-Wwarn] [-g] [-b] [-bt N] [-Ldir] [-llib] [-shared] [-static]\n" |
| 21284 | " [infile1 infile2...] [-run infile args...]\n" |
| 21285 | "\n" |
| 21286 | "General options:\n" |
| 21287 | " -v display current version\n" |
| 21288 | " -c compile only - generate an object file\n" |
| 21289 | " -o outfile set output filename\n" |
| 21290 | " -Bdir set tcc internal library path\n" |
| 21291 | " -bench output compilation statistics\n" |
| 21292 | " -run run compiled source\n" |
| 21293 | " -fflag set or reset (with 'no-' prefix) 'flag' (see man page)\n" |
| 21294 | " -Wwarning set or reset (with 'no-' prefix) 'warning' (see man page)\n" |
| 21295 | " -w disable all warnings\n" |
| 21296 | "Preprocessor options:\n" |
| 21297 | " -Idir add include path 'dir'\n" |
| 21298 | " -Dsym[=val] define 'sym' with value 'val'\n" |
| 21299 | " -Usym undefine 'sym'\n" |
| 21300 | "Linker options:\n" |
| 21301 | " -Ldir add library path 'dir'\n" |
| 21302 | " -llib link with dynamic or static library 'lib'\n" |
| 21303 | " -shared generate a shared library\n" |
| 21304 | " -static static linking\n" |
| 21305 | " -rdynamic export all global symbols to dynamic linker\n" |
| 21306 | " -r relocatable output\n" |
| 21307 | "Debugger options:\n" |
| 21308 | " -g generate runtime debug info\n" |
| 21309 | #ifdef CONFIG_TCC_BCHECK |
| 21310 | " -b compile with built-in memory and bounds checker (implies -g)\n" |
| 21311 | #endif |
| 21312 | " -bt N show N callers in stack traces\n" |
| 21313 | ); |
| 21314 | } |
| 21315 | |
| 21316 | #define TCC_OPTION_HAS_ARG 0x0001 |
| 21317 | #define TCC_OPTION_NOSEP 0x0002 /* cannot have space before option and arg */ |
| 21318 | |
| 21319 | typedef struct TCCOption { |
| 21320 | const char *name; |
| 21321 | uint16_t index; |
| 21322 | uint16_t flags; |
| 21323 | } TCCOption; |
| 21324 | |
| 21325 | enum { |
| 21326 | TCC_OPTION_HELP, |
| 21327 | TCC_OPTION_I, |
| 21328 | TCC_OPTION_D, |
| 21329 | TCC_OPTION_U, |
| 21330 | TCC_OPTION_L, |
| 21331 | TCC_OPTION_B, |
| 21332 | TCC_OPTION_l, |
| 21333 | TCC_OPTION_bench, |
| 21334 | TCC_OPTION_bt, |
| 21335 | TCC_OPTION_b, |
| 21336 | TCC_OPTION_g, |
| 21337 | TCC_OPTION_c, |
| 21338 | TCC_OPTION_static, |
| 21339 | TCC_OPTION_shared, |
| 21340 | TCC_OPTION_o, |
| 21341 | TCC_OPTION_r, |
| 21342 | TCC_OPTION_Wl, |
| 21343 | TCC_OPTION_W, |
| 21344 | TCC_OPTION_O, |
| 21345 | TCC_OPTION_m, |
| 21346 | TCC_OPTION_f, |
| 21347 | TCC_OPTION_nostdinc, |
| 21348 | TCC_OPTION_nostdlib, |
| 21349 | TCC_OPTION_print_search_dirs, |
| 21350 | TCC_OPTION_rdynamic, |
| 21351 | TCC_OPTION_run, |
| 21352 | TCC_OPTION_v, |
| 21353 | TCC_OPTION_w, |
| 21354 | TCC_OPTION_pipe, |
| 21355 | }; |
| 21356 | |
| 21357 | static const TCCOption tcc_options[] = { |
| 21358 | { "h", TCC_OPTION_HELP, 0 }, |
| 21359 | { "?", TCC_OPTION_HELP, 0 }, |
| 21360 | { "I", TCC_OPTION_I, TCC_OPTION_HAS_ARG }, |
| 21361 | { "D", TCC_OPTION_D, TCC_OPTION_HAS_ARG }, |
| 21362 | { "U", TCC_OPTION_U, TCC_OPTION_HAS_ARG }, |
| 21363 | { "L", TCC_OPTION_L, TCC_OPTION_HAS_ARG }, |
| 21364 | { "B", TCC_OPTION_B, TCC_OPTION_HAS_ARG }, |
| 21365 | { "l", TCC_OPTION_l, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, |
| 21366 | { "bench", TCC_OPTION_bench, 0 }, |
| 21367 | { "bt", TCC_OPTION_bt, TCC_OPTION_HAS_ARG }, |
| 21368 | #ifdef CONFIG_TCC_BCHECK |
| 21369 | { "b", TCC_OPTION_b, 0 }, |
| 21370 | #endif |
| 21371 | { "g", TCC_OPTION_g, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, |
| 21372 | { "c", TCC_OPTION_c, 0 }, |
| 21373 | { "static", TCC_OPTION_static, 0 }, |
| 21374 | { "shared", TCC_OPTION_shared, 0 }, |
| 21375 | { "o", TCC_OPTION_o, TCC_OPTION_HAS_ARG }, |
| 21376 | { "run", TCC_OPTION_run, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, |
| 21377 | { "rdynamic", TCC_OPTION_rdynamic, 0 }, |
| 21378 | { "r", TCC_OPTION_r, 0 }, |
| 21379 | { "Wl,", TCC_OPTION_Wl, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, |
| 21380 | { "W", TCC_OPTION_W, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, |
| 21381 | { "O", TCC_OPTION_O, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, |
| 21382 | { "m", TCC_OPTION_m, TCC_OPTION_HAS_ARG }, |
| 21383 | { "f", TCC_OPTION_f, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, |
| 21384 | { "nostdinc", TCC_OPTION_nostdinc, 0 }, |
| 21385 | { "nostdlib", TCC_OPTION_nostdlib, 0 }, |
| 21386 | { "print-search-dirs", TCC_OPTION_print_search_dirs, 0 }, |
| 21387 | { "v", TCC_OPTION_v, 0 }, |
| 21388 | { "w", TCC_OPTION_w, 0 }, |
| 21389 | { "pipe", TCC_OPTION_pipe, 0}, |
| 21390 | { NULL }, |
| 21391 | }; |
| 21392 | |
| 21393 | /* convert 'str' into an array of space separated strings */ |
| 21394 | static int expand_args(char ***pargv, const char *str) |
| 21395 | { |
| 21396 | const char *s1; |
| 21397 | char **argv, *arg; |
| 21398 | int argc, len; |
| 21399 | |
| 21400 | argc = 0; |
| 21401 | argv = NULL; |
| 21402 | for(;;) { |
| 21403 | while (is_space(*str)) |
| 21404 | str++; |
| 21405 | if (*str == '\0') |
| 21406 | break; |
| 21407 | s1 = str; |
| 21408 | while (*str != '\0' && !is_space(*str)) |
| 21409 | str++; |
| 21410 | len = str - s1; |
| 21411 | arg = tcc_malloc(len + 1); |
| 21412 | memcpy(arg, s1, len); |
| 21413 | arg[len] = '\0'; |
| 21414 | dynarray_add((void ***)&argv, &argc, arg); |
| 21415 | } |
| 21416 | *pargv = argv; |
| 21417 | return argc; |
| 21418 | } |
| 21419 | |
| 21420 | static char **files; |
| 21421 | static int nb_files, nb_libraries; |
| 21422 | static int multiple_files; |
| 21423 | static int print_search_dirs; |
| 21424 | static int output_type; |
| 21425 | static int reloc_output; |
| 21426 | static const char *outfile; |
| 21427 | |
| 21428 | int parse_args(TCCState *s, int argc, char **argv) |
| 21429 | { |
| 21430 | int optind; |
| 21431 | const TCCOption *popt; |
| 21432 | const char *optarg, *p1, *r1; |
| 21433 | char *r; |
| 21434 | |
| 21435 | optind = 0; |
| 21436 | while (1) { |
| 21437 | if (optind >= argc) { |
| 21438 | if (nb_files == 0 && !print_search_dirs) |
| 21439 | goto show_help; |
| 21440 | else |
| 21441 | break; |
| 21442 | } |
| 21443 | r = argv[optind++]; |
| 21444 | if (r[0] != '-') { |
| 21445 | /* add a new file */ |
| 21446 | dynarray_add((void ***)&files, &nb_files, r); |
| 21447 | if (!multiple_files) { |
| 21448 | optind--; |
| 21449 | /* argv[0] will be this file */ |
| 21450 | break; |
| 21451 | } |
| 21452 | } else { |
| 21453 | /* find option in table (match only the first chars */ |
| 21454 | popt = tcc_options; |
| 21455 | for(;;) { |
| 21456 | p1 = popt->name; |
| 21457 | if (p1 == NULL) |
| 21458 | error("invalid option -- '%s'", r); |
| 21459 | r1 = r + 1; |
| 21460 | for(;;) { |
| 21461 | if (*p1 == '\0') |
| 21462 | goto option_found; |
| 21463 | if (*r1 != *p1) |
| 21464 | break; |
| 21465 | p1++; |
| 21466 | r1++; |
| 21467 | } |
| 21468 | popt++; |
| 21469 | } |
| 21470 | option_found: |
| 21471 | if (popt->flags & TCC_OPTION_HAS_ARG) { |
| 21472 | if (*r1 != '\0' || (popt->flags & TCC_OPTION_NOSEP)) { |
| 21473 | optarg = r1; |
| 21474 | } else { |
| 21475 | if (optind >= argc) |
| 21476 | error("argument to '%s' is missing", r); |
| 21477 | optarg = argv[optind++]; |
| 21478 | } |
| 21479 | } else { |
| 21480 | if (*r1 != '\0') |
| 21481 | goto show_help; |
| 21482 | optarg = NULL; |
| 21483 | } |
| 21484 | |
| 21485 | switch(popt->index) { |
| 21486 | case TCC_OPTION_HELP: |
| 21487 | show_help: |
| 21488 | help(); |
| 21489 | exit(1); |
| 21490 | case TCC_OPTION_I: |
| 21491 | if (tcc_add_include_path(s, optarg) < 0) |
| 21492 | error("too many include paths"); |
| 21493 | break; |
| 21494 | case TCC_OPTION_D: |
| 21495 | { |
| 21496 | char *sym, *value; |
| 21497 | sym = (char *)optarg; |
| 21498 | value = strchr(sym, '='); |
| 21499 | if (value) { |
| 21500 | *value = '\0'; |
| 21501 | value++; |
| 21502 | } |
| 21503 | tcc_define_symbol(s, sym, value); |
| 21504 | } |
| 21505 | break; |
| 21506 | case TCC_OPTION_U: |
| 21507 | tcc_undefine_symbol(s, optarg); |
| 21508 | break; |
| 21509 | case TCC_OPTION_L: |
| 21510 | tcc_add_library_path(s, optarg); |
| 21511 | break; |
| 21512 | case TCC_OPTION_B: |
| 21513 | /* set tcc utilities path (mainly for tcc development) */ |
| 21514 | tcc_lib_path = optarg; |
| 21515 | break; |
| 21516 | case TCC_OPTION_l: |
| 21517 | dynarray_add((void ***)&files, &nb_files, r); |
| 21518 | nb_libraries++; |
| 21519 | break; |
| 21520 | case TCC_OPTION_bench: |
| 21521 | do_bench = 1; |
| 21522 | break; |
| 21523 | case TCC_OPTION_bt: |
| 21524 | num_callers = atoi(optarg); |
| 21525 | break; |
| 21526 | #ifdef CONFIG_TCC_BCHECK |
| 21527 | case TCC_OPTION_b: |
| 21528 | do_bounds_check = 1; |
| 21529 | do_debug = 1; |
| 21530 | break; |
| 21531 | #endif |
| 21532 | case TCC_OPTION_g: |
| 21533 | do_debug = 1; |
| 21534 | break; |
| 21535 | case TCC_OPTION_c: |
| 21536 | multiple_files = 1; |
| 21537 | output_type = TCC_OUTPUT_OBJ; |
| 21538 | break; |
| 21539 | case TCC_OPTION_static: |
| 21540 | s->static_link = 1; |
| 21541 | break; |
| 21542 | case TCC_OPTION_shared: |
| 21543 | output_type = TCC_OUTPUT_DLL; |
| 21544 | break; |
| 21545 | case TCC_OPTION_o: |
| 21546 | multiple_files = 1; |
| 21547 | outfile = optarg; |
| 21548 | break; |
| 21549 | case TCC_OPTION_r: |
| 21550 | /* generate a .o merging several output files */ |
| 21551 | reloc_output = 1; |
| 21552 | output_type = TCC_OUTPUT_OBJ; |
| 21553 | break; |
| 21554 | case TCC_OPTION_nostdinc: |
| 21555 | s->nostdinc = 1; |
| 21556 | break; |
| 21557 | case TCC_OPTION_nostdlib: |
| 21558 | s->nostdlib = 1; |
| 21559 | break; |
| 21560 | case TCC_OPTION_print_search_dirs: |
| 21561 | print_search_dirs = 1; |
| 21562 | break; |
| 21563 | case TCC_OPTION_run: |
| 21564 | { |
| 21565 | int argc1; |
| 21566 | char **argv1; |
| 21567 | argc1 = expand_args(&argv1, optarg); |
| 21568 | if (argc1 > 0) { |
| 21569 | parse_args(s, argc1, argv1); |
| 21570 | } |
| 21571 | multiple_files = 0; |
| 21572 | output_type = TCC_OUTPUT_MEMORY; |
| 21573 | } |
| 21574 | break; |
| 21575 | case TCC_OPTION_v: |
| 21576 | printf("tcc version %s\n", TCC_VERSION); |
| 21577 | exit(0); |
| 21578 | case TCC_OPTION_f: |
| 21579 | if (tcc_set_flag(s, optarg, 1) < 0 && s->warn_unsupported) |
| 21580 | goto unsupported_option; |
| 21581 | break; |
| 21582 | case TCC_OPTION_W: |
| 21583 | if (tcc_set_warning(s, optarg, 1) < 0 && |
| 21584 | s->warn_unsupported) |
| 21585 | goto unsupported_option; |
| 21586 | break; |
| 21587 | case TCC_OPTION_w: |
| 21588 | s->warn_none = 1; |
| 21589 | break; |
| 21590 | case TCC_OPTION_rdynamic: |
| 21591 | s->rdynamic = 1; |
| 21592 | break; |
| 21593 | case TCC_OPTION_Wl: |
| 21594 | { |
| 21595 | const char *p; |
| 21596 | if (strstart(optarg, "-Ttext,", &p)) { |
| 21597 | s->text_addr = strtoul(p, NULL, 16); |
| 21598 | s->has_text_addr = 1; |
| 21599 | } else if (strstart(optarg, "--oformat,", &p)) { |
| 21600 | if (strstart(p, "elf32-", NULL)) { |
| 21601 | s->output_format = TCC_OUTPUT_FORMAT_ELF; |
| 21602 | } else if (!strcmp(p, "binary")) { |
| 21603 | s->output_format = TCC_OUTPUT_FORMAT_BINARY; |
| 21604 | } else |
| 21605 | #ifdef TCC_TARGET_COFF |
| 21606 | if (!strcmp(p, "coff")) { |
| 21607 | s->output_format = TCC_OUTPUT_FORMAT_COFF; |
| 21608 | } else |
| 21609 | #endif |
| 21610 | { |
| 21611 | error("target %s not found", p); |
| 21612 | } |
| 21613 | } else { |
| 21614 | error("unsupported linker option '%s'", optarg); |
| 21615 | } |
| 21616 | } |
| 21617 | break; |
| 21618 | default: |
| 21619 | if (s->warn_unsupported) { |
| 21620 | unsupported_option: |
| 21621 | warning("unsupported option '%s'", r); |
| 21622 | } |
| 21623 | break; |
| 21624 | } |
| 21625 | } |
| 21626 | } |
| 21627 | return optind; |
| 21628 | } |
| 21629 | |
| 21630 | // njn: renamed main() as main2() in order to repeat it multiple times. |
| 21631 | int main2(int argc, char **argv) |
| 21632 | { |
| 21633 | int i; |
| 21634 | TCCState *s; |
| 21635 | int nb_objfiles, ret, optind; |
| 21636 | char objfilename[1024]; |
| 21637 | int64_t start_time = 0; |
| 21638 | |
| 21639 | #ifdef WIN32 |
| 21640 | /* on win32, we suppose the lib and includes are at the location |
| 21641 | of 'tcc.exe' */ |
| 21642 | { |
| 21643 | static char path[1024]; |
| 21644 | char *p, *d; |
| 21645 | |
| 21646 | GetModuleFileNameA(NULL, path, sizeof path); |
| 21647 | p = d = strlwr(path); |
| 21648 | while (*d) |
| 21649 | { |
| 21650 | if (*d == '\\') *d = '/', p = d; |
| 21651 | ++d; |
| 21652 | } |
| 21653 | *p = '\0'; |
| 21654 | tcc_lib_path = path; |
| 21655 | } |
| 21656 | #endif |
| 21657 | |
| 21658 | s = tcc_new(); |
| 21659 | output_type = TCC_OUTPUT_EXE; |
| 21660 | outfile = NULL; |
| 21661 | multiple_files = 1; |
| 21662 | files = NULL; |
| 21663 | nb_files = 0; |
| 21664 | nb_libraries = 0; |
| 21665 | reloc_output = 0; |
| 21666 | print_search_dirs = 0; |
| 21667 | |
| 21668 | optind = parse_args(s, argc - 1, argv + 1) + 1; |
| 21669 | |
| 21670 | if (print_search_dirs) { |
| 21671 | /* enough for Linux kernel */ |
| 21672 | printf("install: %s/\n", tcc_lib_path); |
| 21673 | return 0; |
| 21674 | } |
| 21675 | |
| 21676 | nb_objfiles = nb_files - nb_libraries; |
| 21677 | |
| 21678 | /* if outfile provided without other options, we output an |
| 21679 | executable */ |
| 21680 | if (outfile && output_type == TCC_OUTPUT_MEMORY) |
| 21681 | output_type = TCC_OUTPUT_EXE; |
| 21682 | |
| 21683 | /* check -c consistency : only single file handled. XXX: checks file type */ |
| 21684 | if (output_type == TCC_OUTPUT_OBJ && !reloc_output) { |
| 21685 | /* accepts only a single input file */ |
| 21686 | if (nb_objfiles != 1) |
| 21687 | error("cannot specify multiple files with -c"); |
| 21688 | if (nb_libraries != 0) |
| 21689 | error("cannot specify libraries with -c"); |
| 21690 | } |
| 21691 | |
| 21692 | if (output_type != TCC_OUTPUT_MEMORY) { |
| 21693 | if (!outfile) { |
| 21694 | /* compute default outfile name */ |
| 21695 | pstrcpy(objfilename, sizeof(objfilename) - 1, |
| 21696 | /* strip path */ |
| 21697 | tcc_basename(files[0])); |
| 21698 | #ifdef TCC_TARGET_PE |
| 21699 | pe_guess_outfile(objfilename, output_type); |
| 21700 | #else |
| 21701 | if (output_type == TCC_OUTPUT_OBJ && !reloc_output) { |
| 21702 | char *ext = strrchr(objfilename, '.'); |
| 21703 | if (!ext) |
| 21704 | goto default_outfile; |
| 21705 | /* add .o extension */ |
| 21706 | strcpy(ext + 1, "o"); |
| 21707 | } else { |
| 21708 | default_outfile: |
| 21709 | pstrcpy(objfilename, sizeof(objfilename), "a.out"); |
| 21710 | } |
| 21711 | #endif |
| 21712 | outfile = objfilename; |
| 21713 | } |
| 21714 | } |
| 21715 | |
| 21716 | if (do_bench) { |
| 21717 | start_time = getclock_us(); |
| 21718 | } |
| 21719 | |
| 21720 | tcc_set_output_type(s, output_type); |
| 21721 | |
| 21722 | /* compile or add each files or library */ |
| 21723 | for(i = 0;i < nb_files; i++) { |
| 21724 | const char *filename; |
| 21725 | |
| 21726 | filename = files[i]; |
| 21727 | if (filename[0] == '-') { |
| 21728 | if (tcc_add_library(s, filename + 2) < 0) |
| 21729 | error("cannot find %s", filename); |
| 21730 | } else { |
| 21731 | if (tcc_add_file(s, filename) < 0) { |
| 21732 | ret = 1; |
| 21733 | goto the_end; |
| 21734 | } |
| 21735 | } |
| 21736 | } |
| 21737 | |
| 21738 | /* free all files */ |
| 21739 | tcc_free(files); |
| 21740 | |
| 21741 | if (do_bench) { |
| 21742 | double total_time; |
| 21743 | total_time = (double)(getclock_us() - start_time) / 1000000.0; |
| 21744 | if (total_time < 0.001) |
| 21745 | total_time = 0.001; |
| 21746 | if (total_bytes < 1) |
| 21747 | total_bytes = 1; |
| 21748 | printf("%d idents, %d lines, %d bytes, %0.3f s, %d lines/s, %0.1f MB/s\n", |
| 21749 | tok_ident - TOK_IDENT, total_lines, total_bytes, |
| 21750 | total_time, (int)(total_lines / total_time), |
| 21751 | total_bytes / total_time / 1000000.0); |
| 21752 | } |
| 21753 | |
| 21754 | if (s->output_type == TCC_OUTPUT_MEMORY) { |
| 21755 | ret = tcc_run(s, argc - optind, argv + optind); |
| 21756 | } else |
| 21757 | #ifdef TCC_TARGET_PE |
| 21758 | if (s->output_type != TCC_OUTPUT_OBJ) { |
| 21759 | ret = tcc_output_pe(s, outfile); |
| 21760 | } else |
| 21761 | #endif |
| 21762 | { |
| 21763 | tcc_output_file(s, outfile); |
| 21764 | ret = 0; |
| 21765 | } |
| 21766 | the_end: |
| 21767 | /* XXX: cannot do it with bound checking because of the malloc hooks */ |
| 21768 | if (!do_bounds_check) |
| 21769 | tcc_delete(s); |
| 21770 | |
| 21771 | #ifdef MEM_DEBUG |
| 21772 | if (do_bench) { |
| 21773 | printf("memory: %d bytes, max = %d bytes\n", mem_cur_size, mem_max_size); |
| 21774 | } |
| 21775 | #endif |
| 21776 | return ret; |
| 21777 | } |
| 21778 | |
| 21779 | // njn: created this wrapper main() function to execute compilation multiple |
| 21780 | // times. TinyCC is fast! |
| 21781 | // Nb: we get a link error, and TinyCC would normally return non-zero. But |
| 21782 | // the link error is not a problem for benchmarking purposes, so we return |
| 21783 | // zero here (as required by vg_perf). |
| 21784 | int main(int argc, char **argv) |
| 21785 | { |
sewardj | b1e1a7a | 2005-12-26 03:54:49 +0000 | [diff] [blame] | 21786 | #define REPS 30 |
njn | 99c8558 | 2005-12-20 23:02:43 +0000 | [diff] [blame] | 21787 | int i; |
| 21788 | for (i = 0; i < REPS; i++) { |
| 21789 | main2(argc, argv); |
| 21790 | } |
| 21791 | return 0; |
| 21792 | } |
| 21793 | |
| 21794 | #endif |
| 21795 | |
| 21796 | // njn: copied these in from libtcc1.c to avoid link errors when libtcc1.a |
| 21797 | // is not present. |
| 21798 | unsigned short __tcc_fpu_control = 0x137f; |
| 21799 | unsigned short __tcc_int_fpu_control = 0x137f | 0x0c00; |
sewardj | b1e1a7a | 2005-12-26 03:54:49 +0000 | [diff] [blame] | 21800 | |
| 21801 | #if 0 |
njn | 99c8558 | 2005-12-20 23:02:43 +0000 | [diff] [blame] | 21802 | long long __shldi3(long long a, int b) |
| 21803 | { |
| 21804 | #ifdef __TINYC__ |
| 21805 | DWunion u; |
| 21806 | u.ll = a; |
| 21807 | if (b >= 32) { |
| 21808 | u.s.high = (unsigned)u.s.low << (b - 32); |
| 21809 | u.s.low = 0; |
| 21810 | } else if (b != 0) { |
| 21811 | u.s.high = ((unsigned)u.s.high << b) | (u.s.low >> (32 - b)); |
| 21812 | u.s.low = (unsigned)u.s.low << b; |
| 21813 | } |
| 21814 | return u.ll; |
| 21815 | #else |
| 21816 | return a << b; |
| 21817 | #endif |
| 21818 | } |
sewardj | b1e1a7a | 2005-12-26 03:54:49 +0000 | [diff] [blame] | 21819 | #endif |