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Brian Carlstrome130ee62014-07-01 23:54:20 -07001//===-- llvm/Support/ELF.h - ELF constants and data structures --*- C++ -*-===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This header contains common, non-processor-specific data structures and
11// constants for the ELF file format.
12//
13// The details of the ELF32 bits in this file are largely based on the Tool
14// Interface Standard (TIS) Executable and Linking Format (ELF) Specification
15// Version 1.2, May 1995. The ELF64 stuff is based on ELF-64 Object File Format
16// Version 1.5, Draft 2, May 1998 as well as OpenBSD header files.
17//
18//===----------------------------------------------------------------------===//
19
20// BEGIN android-changed
21#ifndef ART_RUNTIME_ELF_H_
22#define ART_RUNTIME_ELF_H_
23// END android-changed
24
25// BEGIN android-changed
26#include <stdint.h>
27#include <string.h>
28// END android-changed
29
30typedef uint32_t Elf32_Addr; // Program address
31typedef uint32_t Elf32_Off; // File offset
32typedef uint16_t Elf32_Half;
33typedef uint32_t Elf32_Word;
34typedef int32_t Elf32_Sword;
35
36typedef uint64_t Elf64_Addr;
37typedef uint64_t Elf64_Off;
38typedef uint16_t Elf64_Half;
39typedef uint32_t Elf64_Word;
40typedef int32_t Elf64_Sword;
41typedef uint64_t Elf64_Xword;
42typedef int64_t Elf64_Sxword;
43
44// Object file magic string.
Mathieu Chartier6e9cc392015-08-18 10:41:39 -070045static constexpr char ElfMagic[] = { 0x7f, 'E', 'L', 'F', '\0' };
Brian Carlstrome130ee62014-07-01 23:54:20 -070046
47// e_ident size and indices.
48enum {
49 EI_MAG0 = 0, // File identification index.
50 EI_MAG1 = 1, // File identification index.
51 EI_MAG2 = 2, // File identification index.
52 EI_MAG3 = 3, // File identification index.
53 EI_CLASS = 4, // File class.
54 EI_DATA = 5, // Data encoding.
55 EI_VERSION = 6, // File version.
56 EI_OSABI = 7, // OS/ABI identification.
57 EI_ABIVERSION = 8, // ABI version.
58 EI_PAD = 9, // Start of padding bytes.
59 EI_NIDENT = 16 // Number of bytes in e_ident.
60};
61
62// BEGIN android-added for <elf.h> compat
Mathieu Chartier6e9cc392015-08-18 10:41:39 -070063constexpr char ELFMAG0 = ElfMagic[EI_MAG0];
64constexpr char ELFMAG1 = ElfMagic[EI_MAG1];
65constexpr char ELFMAG2 = ElfMagic[EI_MAG2];
66constexpr char ELFMAG3 = ElfMagic[EI_MAG3];
David Srbeckye73550d2018-01-16 12:35:41 +000067constexpr char ELFMAG[] = "\177ELF";
68constexpr int SELFMAG = 4;
69constexpr int NT_PRSTATUS = 1;
Brian Carlstrome130ee62014-07-01 23:54:20 -070070// END android-added for <elf.h> compat
71
72struct Elf32_Ehdr {
73 unsigned char e_ident[EI_NIDENT]; // ELF Identification bytes
74 Elf32_Half e_type; // Type of file (see ET_* below)
75 Elf32_Half e_machine; // Required architecture for this file (see EM_*)
76 Elf32_Word e_version; // Must be equal to 1
77 Elf32_Addr e_entry; // Address to jump to in order to start program
78 Elf32_Off e_phoff; // Program header table's file offset, in bytes
79 Elf32_Off e_shoff; // Section header table's file offset, in bytes
80 Elf32_Word e_flags; // Processor-specific flags
81 Elf32_Half e_ehsize; // Size of ELF header, in bytes
82 Elf32_Half e_phentsize; // Size of an entry in the program header table
83 Elf32_Half e_phnum; // Number of entries in the program header table
84 Elf32_Half e_shentsize; // Size of an entry in the section header table
85 Elf32_Half e_shnum; // Number of entries in the section header table
86 Elf32_Half e_shstrndx; // Sect hdr table index of sect name string table
87 bool checkMagic() const {
88 return (memcmp(e_ident, ElfMagic, strlen(ElfMagic))) == 0;
89 }
90 unsigned char getFileClass() const { return e_ident[EI_CLASS]; }
91 unsigned char getDataEncoding() const { return e_ident[EI_DATA]; }
92};
93
94// 64-bit ELF header. Fields are the same as for ELF32, but with different
95// types (see above).
96struct Elf64_Ehdr {
97 unsigned char e_ident[EI_NIDENT];
98 Elf64_Half e_type;
99 Elf64_Half e_machine;
100 Elf64_Word e_version;
101 Elf64_Addr e_entry;
102 Elf64_Off e_phoff;
103 Elf64_Off e_shoff;
104 Elf64_Word e_flags;
105 Elf64_Half e_ehsize;
106 Elf64_Half e_phentsize;
107 Elf64_Half e_phnum;
108 Elf64_Half e_shentsize;
109 Elf64_Half e_shnum;
110 Elf64_Half e_shstrndx;
111 bool checkMagic() const {
112 return (memcmp(e_ident, ElfMagic, strlen(ElfMagic))) == 0;
113 }
114 unsigned char getFileClass() const { return e_ident[EI_CLASS]; }
115 unsigned char getDataEncoding() const { return e_ident[EI_DATA]; }
116};
117
118// File types
119enum {
120 ET_NONE = 0, // No file type
121 ET_REL = 1, // Relocatable file
122 ET_EXEC = 2, // Executable file
123 ET_DYN = 3, // Shared object file
124 ET_CORE = 4, // Core file
125 ET_LOPROC = 0xff00, // Beginning of processor-specific codes
126 ET_HIPROC = 0xffff // Processor-specific
127};
128
129// Versioning
130enum {
131 EV_NONE = 0,
132 EV_CURRENT = 1
133};
134
135// Machine architectures
136enum {
137 EM_NONE = 0, // No machine
138 EM_M32 = 1, // AT&T WE 32100
139 EM_SPARC = 2, // SPARC
140 EM_386 = 3, // Intel 386
141 EM_68K = 4, // Motorola 68000
142 EM_88K = 5, // Motorola 88000
143 EM_486 = 6, // Intel 486 (deprecated)
144 EM_860 = 7, // Intel 80860
145 EM_MIPS = 8, // MIPS R3000
146 EM_S370 = 9, // IBM System/370
147 EM_MIPS_RS3_LE = 10, // MIPS RS3000 Little-endian
148 EM_PARISC = 15, // Hewlett-Packard PA-RISC
149 EM_VPP500 = 17, // Fujitsu VPP500
150 EM_SPARC32PLUS = 18, // Enhanced instruction set SPARC
151 EM_960 = 19, // Intel 80960
152 EM_PPC = 20, // PowerPC
153 EM_PPC64 = 21, // PowerPC64
154 EM_S390 = 22, // IBM System/390
155 EM_SPU = 23, // IBM SPU/SPC
156 EM_V800 = 36, // NEC V800
157 EM_FR20 = 37, // Fujitsu FR20
158 EM_RH32 = 38, // TRW RH-32
159 EM_RCE = 39, // Motorola RCE
160 EM_ARM = 40, // ARM
161 EM_ALPHA = 41, // DEC Alpha
162 EM_SH = 42, // Hitachi SH
163 EM_SPARCV9 = 43, // SPARC V9
164 EM_TRICORE = 44, // Siemens TriCore
165 EM_ARC = 45, // Argonaut RISC Core
166 EM_H8_300 = 46, // Hitachi H8/300
167 EM_H8_300H = 47, // Hitachi H8/300H
168 EM_H8S = 48, // Hitachi H8S
169 EM_H8_500 = 49, // Hitachi H8/500
170 EM_IA_64 = 50, // Intel IA-64 processor architecture
171 EM_MIPS_X = 51, // Stanford MIPS-X
172 EM_COLDFIRE = 52, // Motorola ColdFire
173 EM_68HC12 = 53, // Motorola M68HC12
174 EM_MMA = 54, // Fujitsu MMA Multimedia Accelerator
175 EM_PCP = 55, // Siemens PCP
176 EM_NCPU = 56, // Sony nCPU embedded RISC processor
177 EM_NDR1 = 57, // Denso NDR1 microprocessor
178 EM_STARCORE = 58, // Motorola Star*Core processor
179 EM_ME16 = 59, // Toyota ME16 processor
180 EM_ST100 = 60, // STMicroelectronics ST100 processor
181 EM_TINYJ = 61, // Advanced Logic Corp. TinyJ embedded processor family
182 EM_X86_64 = 62, // AMD x86-64 architecture
183 EM_PDSP = 63, // Sony DSP Processor
184 EM_PDP10 = 64, // Digital Equipment Corp. PDP-10
185 EM_PDP11 = 65, // Digital Equipment Corp. PDP-11
186 EM_FX66 = 66, // Siemens FX66 microcontroller
187 EM_ST9PLUS = 67, // STMicroelectronics ST9+ 8/16 bit microcontroller
188 EM_ST7 = 68, // STMicroelectronics ST7 8-bit microcontroller
189 EM_68HC16 = 69, // Motorola MC68HC16 Microcontroller
190 EM_68HC11 = 70, // Motorola MC68HC11 Microcontroller
191 EM_68HC08 = 71, // Motorola MC68HC08 Microcontroller
192 EM_68HC05 = 72, // Motorola MC68HC05 Microcontroller
193 EM_SVX = 73, // Silicon Graphics SVx
194 EM_ST19 = 74, // STMicroelectronics ST19 8-bit microcontroller
195 EM_VAX = 75, // Digital VAX
196 EM_CRIS = 76, // Axis Communications 32-bit embedded processor
197 EM_JAVELIN = 77, // Infineon Technologies 32-bit embedded processor
198 EM_FIREPATH = 78, // Element 14 64-bit DSP Processor
199 EM_ZSP = 79, // LSI Logic 16-bit DSP Processor
200 EM_MMIX = 80, // Donald Knuth's educational 64-bit processor
201 EM_HUANY = 81, // Harvard University machine-independent object files
202 EM_PRISM = 82, // SiTera Prism
203 EM_AVR = 83, // Atmel AVR 8-bit microcontroller
204 EM_FR30 = 84, // Fujitsu FR30
205 EM_D10V = 85, // Mitsubishi D10V
206 EM_D30V = 86, // Mitsubishi D30V
207 EM_V850 = 87, // NEC v850
208 EM_M32R = 88, // Mitsubishi M32R
209 EM_MN10300 = 89, // Matsushita MN10300
210 EM_MN10200 = 90, // Matsushita MN10200
211 EM_PJ = 91, // picoJava
212 EM_OPENRISC = 92, // OpenRISC 32-bit embedded processor
213 EM_ARC_COMPACT = 93, // ARC International ARCompact processor (old
214 // spelling/synonym: EM_ARC_A5)
215 EM_XTENSA = 94, // Tensilica Xtensa Architecture
216 EM_VIDEOCORE = 95, // Alphamosaic VideoCore processor
217 EM_TMM_GPP = 96, // Thompson Multimedia General Purpose Processor
218 EM_NS32K = 97, // National Semiconductor 32000 series
219 EM_TPC = 98, // Tenor Network TPC processor
220 EM_SNP1K = 99, // Trebia SNP 1000 processor
221 EM_ST200 = 100, // STMicroelectronics (www.st.com) ST200
222 EM_IP2K = 101, // Ubicom IP2xxx microcontroller family
223 EM_MAX = 102, // MAX Processor
224 EM_CR = 103, // National Semiconductor CompactRISC microprocessor
225 EM_F2MC16 = 104, // Fujitsu F2MC16
226 EM_MSP430 = 105, // Texas Instruments embedded microcontroller msp430
227 EM_BLACKFIN = 106, // Analog Devices Blackfin (DSP) processor
228 EM_SE_C33 = 107, // S1C33 Family of Seiko Epson processors
229 EM_SEP = 108, // Sharp embedded microprocessor
230 EM_ARCA = 109, // Arca RISC Microprocessor
231 EM_UNICORE = 110, // Microprocessor series from PKU-Unity Ltd. and MPRC
232 // of Peking University
233 EM_EXCESS = 111, // eXcess: 16/32/64-bit configurable embedded CPU
234 EM_DXP = 112, // Icera Semiconductor Inc. Deep Execution Processor
235 EM_ALTERA_NIOS2 = 113, // Altera Nios II soft-core processor
236 EM_CRX = 114, // National Semiconductor CompactRISC CRX
237 EM_XGATE = 115, // Motorola XGATE embedded processor
238 EM_C166 = 116, // Infineon C16x/XC16x processor
239 EM_M16C = 117, // Renesas M16C series microprocessors
240 EM_DSPIC30F = 118, // Microchip Technology dsPIC30F Digital Signal
241 // Controller
242 EM_CE = 119, // Freescale Communication Engine RISC core
243 EM_M32C = 120, // Renesas M32C series microprocessors
244 EM_TSK3000 = 131, // Altium TSK3000 core
245 EM_RS08 = 132, // Freescale RS08 embedded processor
246 EM_SHARC = 133, // Analog Devices SHARC family of 32-bit DSP
247 // processors
248 EM_ECOG2 = 134, // Cyan Technology eCOG2 microprocessor
249 EM_SCORE7 = 135, // Sunplus S+core7 RISC processor
250 EM_DSP24 = 136, // New Japan Radio (NJR) 24-bit DSP Processor
251 EM_VIDEOCORE3 = 137, // Broadcom VideoCore III processor
252 EM_LATTICEMICO32 = 138, // RISC processor for Lattice FPGA architecture
253 EM_SE_C17 = 139, // Seiko Epson C17 family
254 EM_TI_C6000 = 140, // The Texas Instruments TMS320C6000 DSP family
255 EM_TI_C2000 = 141, // The Texas Instruments TMS320C2000 DSP family
256 EM_TI_C5500 = 142, // The Texas Instruments TMS320C55x DSP family
257 EM_MMDSP_PLUS = 160, // STMicroelectronics 64bit VLIW Data Signal Processor
258 EM_CYPRESS_M8C = 161, // Cypress M8C microprocessor
259 EM_R32C = 162, // Renesas R32C series microprocessors
260 EM_TRIMEDIA = 163, // NXP Semiconductors TriMedia architecture family
261 EM_HEXAGON = 164, // Qualcomm Hexagon processor
262 EM_8051 = 165, // Intel 8051 and variants
263 EM_STXP7X = 166, // STMicroelectronics STxP7x family of configurable
264 // and extensible RISC processors
265 EM_NDS32 = 167, // Andes Technology compact code size embedded RISC
266 // processor family
267 EM_ECOG1 = 168, // Cyan Technology eCOG1X family
268 EM_ECOG1X = 168, // Cyan Technology eCOG1X family
269 EM_MAXQ30 = 169, // Dallas Semiconductor MAXQ30 Core Micro-controllers
270 EM_XIMO16 = 170, // New Japan Radio (NJR) 16-bit DSP Processor
271 EM_MANIK = 171, // M2000 Reconfigurable RISC Microprocessor
272 EM_CRAYNV2 = 172, // Cray Inc. NV2 vector architecture
273 EM_RX = 173, // Renesas RX family
274 EM_METAG = 174, // Imagination Technologies META processor
275 // architecture
276 EM_MCST_ELBRUS = 175, // MCST Elbrus general purpose hardware architecture
277 EM_ECOG16 = 176, // Cyan Technology eCOG16 family
278 EM_CR16 = 177, // National Semiconductor CompactRISC CR16 16-bit
279 // microprocessor
280 EM_ETPU = 178, // Freescale Extended Time Processing Unit
281 EM_SLE9X = 179, // Infineon Technologies SLE9X core
282 EM_L10M = 180, // Intel L10M
283 EM_K10M = 181, // Intel K10M
284 EM_AARCH64 = 183, // ARM AArch64
285 EM_AVR32 = 185, // Atmel Corporation 32-bit microprocessor family
286 EM_STM8 = 186, // STMicroeletronics STM8 8-bit microcontroller
287 EM_TILE64 = 187, // Tilera TILE64 multicore architecture family
288 EM_TILEPRO = 188, // Tilera TILEPro multicore architecture family
289 EM_CUDA = 190, // NVIDIA CUDA architecture
290 EM_TILEGX = 191, // Tilera TILE-Gx multicore architecture family
291 EM_CLOUDSHIELD = 192, // CloudShield architecture family
292 EM_COREA_1ST = 193, // KIPO-KAIST Core-A 1st generation processor family
293 EM_COREA_2ND = 194, // KIPO-KAIST Core-A 2nd generation processor family
294 EM_ARC_COMPACT2 = 195, // Synopsys ARCompact V2
295 EM_OPEN8 = 196, // Open8 8-bit RISC soft processor core
296 EM_RL78 = 197, // Renesas RL78 family
297 EM_VIDEOCORE5 = 198, // Broadcom VideoCore V processor
298 EM_78KOR = 199, // Renesas 78KOR family
299 EM_56800EX = 200 // Freescale 56800EX Digital Signal Controller (DSC)
300};
301
302// Object file classes.
303enum {
304 ELFCLASSNONE = 0,
305 ELFCLASS32 = 1, // 32-bit object file
306 ELFCLASS64 = 2 // 64-bit object file
307};
308
309// Object file byte orderings.
310enum {
311 ELFDATANONE = 0, // Invalid data encoding.
312 ELFDATA2LSB = 1, // Little-endian object file
313 ELFDATA2MSB = 2 // Big-endian object file
314};
315
316// OS ABI identification.
317enum {
318 ELFOSABI_NONE = 0, // UNIX System V ABI
319 ELFOSABI_HPUX = 1, // HP-UX operating system
320 ELFOSABI_NETBSD = 2, // NetBSD
321 ELFOSABI_GNU = 3, // GNU/Linux
322 ELFOSABI_LINUX = 3, // Historical alias for ELFOSABI_GNU.
323 ELFOSABI_HURD = 4, // GNU/Hurd
324 ELFOSABI_SOLARIS = 6, // Solaris
325 ELFOSABI_AIX = 7, // AIX
326 ELFOSABI_IRIX = 8, // IRIX
327 ELFOSABI_FREEBSD = 9, // FreeBSD
328 ELFOSABI_TRU64 = 10, // TRU64 UNIX
329 ELFOSABI_MODESTO = 11, // Novell Modesto
330 ELFOSABI_OPENBSD = 12, // OpenBSD
331 ELFOSABI_OPENVMS = 13, // OpenVMS
332 ELFOSABI_NSK = 14, // Hewlett-Packard Non-Stop Kernel
333 ELFOSABI_AROS = 15, // AROS
334 ELFOSABI_FENIXOS = 16, // FenixOS
335 ELFOSABI_C6000_ELFABI = 64, // Bare-metal TMS320C6000
336 ELFOSABI_C6000_LINUX = 65, // Linux TMS320C6000
337 ELFOSABI_ARM = 97, // ARM
338 ELFOSABI_STANDALONE = 255 // Standalone (embedded) application
339};
340
341// X86_64 relocations.
342enum {
343 R_X86_64_NONE = 0,
344 R_X86_64_64 = 1,
345 R_X86_64_PC32 = 2,
346 R_X86_64_GOT32 = 3,
347 R_X86_64_PLT32 = 4,
348 R_X86_64_COPY = 5,
349 R_X86_64_GLOB_DAT = 6,
350 R_X86_64_JUMP_SLOT = 7,
351 R_X86_64_RELATIVE = 8,
352 R_X86_64_GOTPCREL = 9,
353 R_X86_64_32 = 10,
354 R_X86_64_32S = 11,
355 R_X86_64_16 = 12,
356 R_X86_64_PC16 = 13,
357 R_X86_64_8 = 14,
358 R_X86_64_PC8 = 15,
359 R_X86_64_DTPMOD64 = 16,
360 R_X86_64_DTPOFF64 = 17,
361 R_X86_64_TPOFF64 = 18,
362 R_X86_64_TLSGD = 19,
363 R_X86_64_TLSLD = 20,
364 R_X86_64_DTPOFF32 = 21,
365 R_X86_64_GOTTPOFF = 22,
366 R_X86_64_TPOFF32 = 23,
367 R_X86_64_PC64 = 24,
368 R_X86_64_GOTOFF64 = 25,
369 R_X86_64_GOTPC32 = 26,
370 R_X86_64_GOT64 = 27,
371 R_X86_64_GOTPCREL64 = 28,
372 R_X86_64_GOTPC64 = 29,
373 R_X86_64_GOTPLT64 = 30,
374 R_X86_64_PLTOFF64 = 31,
375 R_X86_64_SIZE32 = 32,
376 R_X86_64_SIZE64 = 33,
377 R_X86_64_GOTPC32_TLSDESC = 34,
378 R_X86_64_TLSDESC_CALL = 35,
379 R_X86_64_TLSDESC = 36,
380 R_X86_64_IRELATIVE = 37
381};
382
383// i386 relocations.
384// TODO: this is just a subset
385enum {
386 R_386_NONE = 0,
387 R_386_32 = 1,
388 R_386_PC32 = 2,
389 R_386_GOT32 = 3,
390 R_386_PLT32 = 4,
391 R_386_COPY = 5,
392 R_386_GLOB_DAT = 6,
393 R_386_JUMP_SLOT = 7,
394 R_386_RELATIVE = 8,
395 R_386_GOTOFF = 9,
396 R_386_GOTPC = 10,
397 R_386_32PLT = 11,
398 R_386_TLS_TPOFF = 14,
399 R_386_TLS_IE = 15,
400 R_386_TLS_GOTIE = 16,
401 R_386_TLS_LE = 17,
402 R_386_TLS_GD = 18,
403 R_386_TLS_LDM = 19,
404 R_386_16 = 20,
405 R_386_PC16 = 21,
406 R_386_8 = 22,
407 R_386_PC8 = 23,
408 R_386_TLS_GD_32 = 24,
409 R_386_TLS_GD_PUSH = 25,
410 R_386_TLS_GD_CALL = 26,
411 R_386_TLS_GD_POP = 27,
412 R_386_TLS_LDM_32 = 28,
413 R_386_TLS_LDM_PUSH = 29,
414 R_386_TLS_LDM_CALL = 30,
415 R_386_TLS_LDM_POP = 31,
416 R_386_TLS_LDO_32 = 32,
417 R_386_TLS_IE_32 = 33,
418 R_386_TLS_LE_32 = 34,
419 R_386_TLS_DTPMOD32 = 35,
420 R_386_TLS_DTPOFF32 = 36,
421 R_386_TLS_TPOFF32 = 37,
422 R_386_TLS_GOTDESC = 39,
423 R_386_TLS_DESC_CALL = 40,
424 R_386_TLS_DESC = 41,
425 R_386_IRELATIVE = 42,
426 R_386_NUM = 43
427};
428
429// ELF Relocation types for PPC32
430enum {
431 R_PPC_NONE = 0, /* No relocation. */
432 R_PPC_ADDR32 = 1,
433 R_PPC_ADDR24 = 2,
434 R_PPC_ADDR16 = 3,
435 R_PPC_ADDR16_LO = 4,
436 R_PPC_ADDR16_HI = 5,
437 R_PPC_ADDR16_HA = 6,
438 R_PPC_ADDR14 = 7,
439 R_PPC_ADDR14_BRTAKEN = 8,
440 R_PPC_ADDR14_BRNTAKEN = 9,
441 R_PPC_REL24 = 10,
442 R_PPC_REL14 = 11,
443 R_PPC_REL14_BRTAKEN = 12,
444 R_PPC_REL14_BRNTAKEN = 13,
445 R_PPC_GOT16 = 14,
446 R_PPC_GOT16_LO = 15,
447 R_PPC_GOT16_HI = 16,
448 R_PPC_GOT16_HA = 17,
449 R_PPC_REL32 = 26,
450 R_PPC_TLS = 67,
451 R_PPC_DTPMOD32 = 68,
452 R_PPC_TPREL16 = 69,
453 R_PPC_TPREL16_LO = 70,
454 R_PPC_TPREL16_HI = 71,
455 R_PPC_TPREL16_HA = 72,
456 R_PPC_TPREL32 = 73,
457 R_PPC_DTPREL16 = 74,
458 R_PPC_DTPREL16_LO = 75,
459 R_PPC_DTPREL16_HI = 76,
460 R_PPC_DTPREL16_HA = 77,
461 R_PPC_DTPREL32 = 78,
462 R_PPC_GOT_TLSGD16 = 79,
463 R_PPC_GOT_TLSGD16_LO = 80,
464 R_PPC_GOT_TLSGD16_HI = 81,
465 R_PPC_GOT_TLSGD16_HA = 82,
466 R_PPC_GOT_TLSLD16 = 83,
467 R_PPC_GOT_TLSLD16_LO = 84,
468 R_PPC_GOT_TLSLD16_HI = 85,
469 R_PPC_GOT_TLSLD16_HA = 86,
470 R_PPC_GOT_TPREL16 = 87,
471 R_PPC_GOT_TPREL16_LO = 88,
472 R_PPC_GOT_TPREL16_HI = 89,
473 R_PPC_GOT_TPREL16_HA = 90,
474 R_PPC_GOT_DTPREL16 = 91,
475 R_PPC_GOT_DTPREL16_LO = 92,
476 R_PPC_GOT_DTPREL16_HI = 93,
477 R_PPC_GOT_DTPREL16_HA = 94,
478 R_PPC_TLSGD = 95,
479 R_PPC_TLSLD = 96,
480 R_PPC_REL16 = 249,
481 R_PPC_REL16_LO = 250,
482 R_PPC_REL16_HI = 251,
483 R_PPC_REL16_HA = 252
484};
485
486// ELF Relocation types for PPC64
487enum {
488 R_PPC64_NONE = 0,
489 R_PPC64_ADDR32 = 1,
490 R_PPC64_ADDR24 = 2,
491 R_PPC64_ADDR16 = 3,
492 R_PPC64_ADDR16_LO = 4,
493 R_PPC64_ADDR16_HI = 5,
494 R_PPC64_ADDR16_HA = 6,
495 R_PPC64_ADDR14 = 7,
496 R_PPC64_ADDR14_BRTAKEN = 8,
497 R_PPC64_ADDR14_BRNTAKEN = 9,
498 R_PPC64_REL24 = 10,
499 R_PPC64_REL14 = 11,
500 R_PPC64_REL14_BRTAKEN = 12,
501 R_PPC64_REL14_BRNTAKEN = 13,
502 R_PPC64_GOT16 = 14,
503 R_PPC64_GOT16_LO = 15,
504 R_PPC64_GOT16_HI = 16,
505 R_PPC64_GOT16_HA = 17,
506 R_PPC64_REL32 = 26,
507 R_PPC64_ADDR64 = 38,
508 R_PPC64_ADDR16_HIGHER = 39,
509 R_PPC64_ADDR16_HIGHERA = 40,
510 R_PPC64_ADDR16_HIGHEST = 41,
511 R_PPC64_ADDR16_HIGHESTA = 42,
512 R_PPC64_REL64 = 44,
513 R_PPC64_TOC16 = 47,
514 R_PPC64_TOC16_LO = 48,
515 R_PPC64_TOC16_HI = 49,
516 R_PPC64_TOC16_HA = 50,
517 R_PPC64_TOC = 51,
518 R_PPC64_ADDR16_DS = 56,
519 R_PPC64_ADDR16_LO_DS = 57,
520 R_PPC64_GOT16_DS = 58,
521 R_PPC64_GOT16_LO_DS = 59,
522 R_PPC64_TOC16_DS = 63,
523 R_PPC64_TOC16_LO_DS = 64,
524 R_PPC64_TLS = 67,
525 R_PPC64_DTPMOD64 = 68,
526 R_PPC64_TPREL16 = 69,
527 R_PPC64_TPREL16_LO = 70,
528 R_PPC64_TPREL16_HI = 71,
529 R_PPC64_TPREL16_HA = 72,
530 R_PPC64_TPREL64 = 73,
531 R_PPC64_DTPREL16 = 74,
532 R_PPC64_DTPREL16_LO = 75,
533 R_PPC64_DTPREL16_HI = 76,
534 R_PPC64_DTPREL16_HA = 77,
535 R_PPC64_DTPREL64 = 78,
536 R_PPC64_GOT_TLSGD16 = 79,
537 R_PPC64_GOT_TLSGD16_LO = 80,
538 R_PPC64_GOT_TLSGD16_HI = 81,
539 R_PPC64_GOT_TLSGD16_HA = 82,
540 R_PPC64_GOT_TLSLD16 = 83,
541 R_PPC64_GOT_TLSLD16_LO = 84,
542 R_PPC64_GOT_TLSLD16_HI = 85,
543 R_PPC64_GOT_TLSLD16_HA = 86,
544 R_PPC64_GOT_TPREL16_DS = 87,
545 R_PPC64_GOT_TPREL16_LO_DS = 88,
546 R_PPC64_GOT_TPREL16_HI = 89,
547 R_PPC64_GOT_TPREL16_HA = 90,
548 R_PPC64_GOT_DTPREL16_DS = 91,
549 R_PPC64_GOT_DTPREL16_LO_DS = 92,
550 R_PPC64_GOT_DTPREL16_HI = 93,
551 R_PPC64_GOT_DTPREL16_HA = 94,
552 R_PPC64_TPREL16_DS = 95,
553 R_PPC64_TPREL16_LO_DS = 96,
554 R_PPC64_TPREL16_HIGHER = 97,
555 R_PPC64_TPREL16_HIGHERA = 98,
556 R_PPC64_TPREL16_HIGHEST = 99,
557 R_PPC64_TPREL16_HIGHESTA = 100,
558 R_PPC64_DTPREL16_DS = 101,
559 R_PPC64_DTPREL16_LO_DS = 102,
560 R_PPC64_DTPREL16_HIGHER = 103,
561 R_PPC64_DTPREL16_HIGHERA = 104,
562 R_PPC64_DTPREL16_HIGHEST = 105,
563 R_PPC64_DTPREL16_HIGHESTA = 106,
564 R_PPC64_TLSGD = 107,
565 R_PPC64_TLSLD = 108,
566 R_PPC64_REL16 = 249,
567 R_PPC64_REL16_LO = 250,
568 R_PPC64_REL16_HI = 251,
569 R_PPC64_REL16_HA = 252
570};
571
572// ELF Relocation types for AArch64
573
574enum {
575 R_AARCH64_NONE = 0x100,
576
577 R_AARCH64_ABS64 = 0x101,
578 R_AARCH64_ABS32 = 0x102,
579 R_AARCH64_ABS16 = 0x103,
580 R_AARCH64_PREL64 = 0x104,
581 R_AARCH64_PREL32 = 0x105,
582 R_AARCH64_PREL16 = 0x106,
583
584 R_AARCH64_MOVW_UABS_G0 = 0x107,
585 R_AARCH64_MOVW_UABS_G0_NC = 0x108,
586 R_AARCH64_MOVW_UABS_G1 = 0x109,
587 R_AARCH64_MOVW_UABS_G1_NC = 0x10a,
588 R_AARCH64_MOVW_UABS_G2 = 0x10b,
589 R_AARCH64_MOVW_UABS_G2_NC = 0x10c,
590 R_AARCH64_MOVW_UABS_G3 = 0x10d,
591 R_AARCH64_MOVW_SABS_G0 = 0x10e,
592 R_AARCH64_MOVW_SABS_G1 = 0x10f,
593 R_AARCH64_MOVW_SABS_G2 = 0x110,
594
595 R_AARCH64_LD_PREL_LO19 = 0x111,
596 R_AARCH64_ADR_PREL_LO21 = 0x112,
597 R_AARCH64_ADR_PREL_PG_HI21 = 0x113,
598 R_AARCH64_ADD_ABS_LO12_NC = 0x115,
599 R_AARCH64_LDST8_ABS_LO12_NC = 0x116,
600
601 R_AARCH64_TSTBR14 = 0x117,
602 R_AARCH64_CONDBR19 = 0x118,
603 R_AARCH64_JUMP26 = 0x11a,
604 R_AARCH64_CALL26 = 0x11b,
605
606 R_AARCH64_LDST16_ABS_LO12_NC = 0x11c,
607 R_AARCH64_LDST32_ABS_LO12_NC = 0x11d,
608 R_AARCH64_LDST64_ABS_LO12_NC = 0x11e,
609
610 R_AARCH64_LDST128_ABS_LO12_NC = 0x12b,
611
612 R_AARCH64_ADR_GOT_PAGE = 0x137,
613 R_AARCH64_LD64_GOT_LO12_NC = 0x138,
614
615 R_AARCH64_TLSLD_MOVW_DTPREL_G2 = 0x20b,
616 R_AARCH64_TLSLD_MOVW_DTPREL_G1 = 0x20c,
617 R_AARCH64_TLSLD_MOVW_DTPREL_G1_NC = 0x20d,
618 R_AARCH64_TLSLD_MOVW_DTPREL_G0 = 0x20e,
619 R_AARCH64_TLSLD_MOVW_DTPREL_G0_NC = 0x20f,
620 R_AARCH64_TLSLD_ADD_DTPREL_HI12 = 0x210,
621 R_AARCH64_TLSLD_ADD_DTPREL_LO12 = 0x211,
622 R_AARCH64_TLSLD_ADD_DTPREL_LO12_NC = 0x212,
623 R_AARCH64_TLSLD_LDST8_DTPREL_LO12 = 0x213,
624 R_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC = 0x214,
625 R_AARCH64_TLSLD_LDST16_DTPREL_LO12 = 0x215,
626 R_AARCH64_TLSLD_LDST16_DTPREL_LO12_NC = 0x216,
627 R_AARCH64_TLSLD_LDST32_DTPREL_LO12 = 0x217,
628 R_AARCH64_TLSLD_LDST32_DTPREL_LO12_NC = 0x218,
629 R_AARCH64_TLSLD_LDST64_DTPREL_LO12 = 0x219,
630 R_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC = 0x21a,
631
632 R_AARCH64_TLSIE_MOVW_GOTTPREL_G1 = 0x21b,
633 R_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC = 0x21c,
634 R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21 = 0x21d,
635 R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC = 0x21e,
636 R_AARCH64_TLSIE_LD_GOTTPREL_PREL19 = 0x21f,
637
638 R_AARCH64_TLSLE_MOVW_TPREL_G2 = 0x220,
639 R_AARCH64_TLSLE_MOVW_TPREL_G1 = 0x221,
640 R_AARCH64_TLSLE_MOVW_TPREL_G1_NC = 0x222,
641 R_AARCH64_TLSLE_MOVW_TPREL_G0 = 0x223,
642 R_AARCH64_TLSLE_MOVW_TPREL_G0_NC = 0x224,
643 R_AARCH64_TLSLE_ADD_TPREL_HI12 = 0x225,
644 R_AARCH64_TLSLE_ADD_TPREL_LO12 = 0x226,
645 R_AARCH64_TLSLE_ADD_TPREL_LO12_NC = 0x227,
646 R_AARCH64_TLSLE_LDST8_TPREL_LO12 = 0x228,
647 R_AARCH64_TLSLE_LDST8_TPREL_LO12_NC = 0x229,
648 R_AARCH64_TLSLE_LDST16_TPREL_LO12 = 0x22a,
649 R_AARCH64_TLSLE_LDST16_TPREL_LO12_NC = 0x22b,
650 R_AARCH64_TLSLE_LDST32_TPREL_LO12 = 0x22c,
651 R_AARCH64_TLSLE_LDST32_TPREL_LO12_NC = 0x22d,
652 R_AARCH64_TLSLE_LDST64_TPREL_LO12 = 0x22e,
653 R_AARCH64_TLSLE_LDST64_TPREL_LO12_NC = 0x22f,
654
655 R_AARCH64_TLSDESC_ADR_PAGE = 0x232,
656 R_AARCH64_TLSDESC_LD64_LO12_NC = 0x233,
657 R_AARCH64_TLSDESC_ADD_LO12_NC = 0x234,
658
659 R_AARCH64_TLSDESC_CALL = 0x239
660};
661
662// ARM Specific e_flags
663enum : unsigned {
664 EF_ARM_SOFT_FLOAT = 0x00000200U,
665 EF_ARM_VFP_FLOAT = 0x00000400U,
666 EF_ARM_EABI_UNKNOWN = 0x00000000U,
667 EF_ARM_EABI_VER1 = 0x01000000U,
668 EF_ARM_EABI_VER2 = 0x02000000U,
669 EF_ARM_EABI_VER3 = 0x03000000U,
670 EF_ARM_EABI_VER4 = 0x04000000U,
671 EF_ARM_EABI_VER5 = 0x05000000U,
672 EF_ARM_EABIMASK = 0xFF000000U
673};
674
675// ELF Relocation types for ARM
676// Meets 2.08 ABI Specs.
677
678enum {
679 R_ARM_NONE = 0x00,
680 R_ARM_PC24 = 0x01,
681 R_ARM_ABS32 = 0x02,
682 R_ARM_REL32 = 0x03,
683 R_ARM_LDR_PC_G0 = 0x04,
684 R_ARM_ABS16 = 0x05,
685 R_ARM_ABS12 = 0x06,
686 R_ARM_THM_ABS5 = 0x07,
687 R_ARM_ABS8 = 0x08,
688 R_ARM_SBREL32 = 0x09,
689 R_ARM_THM_CALL = 0x0a,
690 R_ARM_THM_PC8 = 0x0b,
691 R_ARM_BREL_ADJ = 0x0c,
692 R_ARM_TLS_DESC = 0x0d,
693 R_ARM_THM_SWI8 = 0x0e,
694 R_ARM_XPC25 = 0x0f,
695 R_ARM_THM_XPC22 = 0x10,
696 R_ARM_TLS_DTPMOD32 = 0x11,
697 R_ARM_TLS_DTPOFF32 = 0x12,
698 R_ARM_TLS_TPOFF32 = 0x13,
699 R_ARM_COPY = 0x14,
700 R_ARM_GLOB_DAT = 0x15,
701 R_ARM_JUMP_SLOT = 0x16,
702 R_ARM_RELATIVE = 0x17,
703 R_ARM_GOTOFF32 = 0x18,
704 R_ARM_BASE_PREL = 0x19,
705 R_ARM_GOT_BREL = 0x1a,
706 R_ARM_PLT32 = 0x1b,
707 R_ARM_CALL = 0x1c,
708 R_ARM_JUMP24 = 0x1d,
709 R_ARM_THM_JUMP24 = 0x1e,
710 R_ARM_BASE_ABS = 0x1f,
711 R_ARM_ALU_PCREL_7_0 = 0x20,
712 R_ARM_ALU_PCREL_15_8 = 0x21,
713 R_ARM_ALU_PCREL_23_15 = 0x22,
714 R_ARM_LDR_SBREL_11_0_NC = 0x23,
715 R_ARM_ALU_SBREL_19_12_NC = 0x24,
716 R_ARM_ALU_SBREL_27_20_CK = 0x25,
717 R_ARM_TARGET1 = 0x26,
718 R_ARM_SBREL31 = 0x27,
719 R_ARM_V4BX = 0x28,
720 R_ARM_TARGET2 = 0x29,
721 R_ARM_PREL31 = 0x2a,
722 R_ARM_MOVW_ABS_NC = 0x2b,
723 R_ARM_MOVT_ABS = 0x2c,
724 R_ARM_MOVW_PREL_NC = 0x2d,
725 R_ARM_MOVT_PREL = 0x2e,
726 R_ARM_THM_MOVW_ABS_NC = 0x2f,
727 R_ARM_THM_MOVT_ABS = 0x30,
728 R_ARM_THM_MOVW_PREL_NC = 0x31,
729 R_ARM_THM_MOVT_PREL = 0x32,
730 R_ARM_THM_JUMP19 = 0x33,
731 R_ARM_THM_JUMP6 = 0x34,
732 R_ARM_THM_ALU_PREL_11_0 = 0x35,
733 R_ARM_THM_PC12 = 0x36,
734 R_ARM_ABS32_NOI = 0x37,
735 R_ARM_REL32_NOI = 0x38,
736 R_ARM_ALU_PC_G0_NC = 0x39,
737 R_ARM_ALU_PC_G0 = 0x3a,
738 R_ARM_ALU_PC_G1_NC = 0x3b,
739 R_ARM_ALU_PC_G1 = 0x3c,
740 R_ARM_ALU_PC_G2 = 0x3d,
741 R_ARM_LDR_PC_G1 = 0x3e,
742 R_ARM_LDR_PC_G2 = 0x3f,
743 R_ARM_LDRS_PC_G0 = 0x40,
744 R_ARM_LDRS_PC_G1 = 0x41,
745 R_ARM_LDRS_PC_G2 = 0x42,
746 R_ARM_LDC_PC_G0 = 0x43,
747 R_ARM_LDC_PC_G1 = 0x44,
748 R_ARM_LDC_PC_G2 = 0x45,
749 R_ARM_ALU_SB_G0_NC = 0x46,
750 R_ARM_ALU_SB_G0 = 0x47,
751 R_ARM_ALU_SB_G1_NC = 0x48,
752 R_ARM_ALU_SB_G1 = 0x49,
753 R_ARM_ALU_SB_G2 = 0x4a,
754 R_ARM_LDR_SB_G0 = 0x4b,
755 R_ARM_LDR_SB_G1 = 0x4c,
756 R_ARM_LDR_SB_G2 = 0x4d,
757 R_ARM_LDRS_SB_G0 = 0x4e,
758 R_ARM_LDRS_SB_G1 = 0x4f,
759 R_ARM_LDRS_SB_G2 = 0x50,
760 R_ARM_LDC_SB_G0 = 0x51,
761 R_ARM_LDC_SB_G1 = 0x52,
762 R_ARM_LDC_SB_G2 = 0x53,
763 R_ARM_MOVW_BREL_NC = 0x54,
764 R_ARM_MOVT_BREL = 0x55,
765 R_ARM_MOVW_BREL = 0x56,
766 R_ARM_THM_MOVW_BREL_NC = 0x57,
767 R_ARM_THM_MOVT_BREL = 0x58,
768 R_ARM_THM_MOVW_BREL = 0x59,
769 R_ARM_TLS_GOTDESC = 0x5a,
770 R_ARM_TLS_CALL = 0x5b,
771 R_ARM_TLS_DESCSEQ = 0x5c,
772 R_ARM_THM_TLS_CALL = 0x5d,
773 R_ARM_PLT32_ABS = 0x5e,
774 R_ARM_GOT_ABS = 0x5f,
775 R_ARM_GOT_PREL = 0x60,
776 R_ARM_GOT_BREL12 = 0x61,
777 R_ARM_GOTOFF12 = 0x62,
778 R_ARM_GOTRELAX = 0x63,
779 R_ARM_GNU_VTENTRY = 0x64,
780 R_ARM_GNU_VTINHERIT = 0x65,
781 R_ARM_THM_JUMP11 = 0x66,
782 R_ARM_THM_JUMP8 = 0x67,
783 R_ARM_TLS_GD32 = 0x68,
784 R_ARM_TLS_LDM32 = 0x69,
785 R_ARM_TLS_LDO32 = 0x6a,
786 R_ARM_TLS_IE32 = 0x6b,
787 R_ARM_TLS_LE32 = 0x6c,
788 R_ARM_TLS_LDO12 = 0x6d,
789 R_ARM_TLS_LE12 = 0x6e,
790 R_ARM_TLS_IE12GP = 0x6f,
791 R_ARM_PRIVATE_0 = 0x70,
792 R_ARM_PRIVATE_1 = 0x71,
793 R_ARM_PRIVATE_2 = 0x72,
794 R_ARM_PRIVATE_3 = 0x73,
795 R_ARM_PRIVATE_4 = 0x74,
796 R_ARM_PRIVATE_5 = 0x75,
797 R_ARM_PRIVATE_6 = 0x76,
798 R_ARM_PRIVATE_7 = 0x77,
799 R_ARM_PRIVATE_8 = 0x78,
800 R_ARM_PRIVATE_9 = 0x79,
801 R_ARM_PRIVATE_10 = 0x7a,
802 R_ARM_PRIVATE_11 = 0x7b,
803 R_ARM_PRIVATE_12 = 0x7c,
804 R_ARM_PRIVATE_13 = 0x7d,
805 R_ARM_PRIVATE_14 = 0x7e,
806 R_ARM_PRIVATE_15 = 0x7f,
807 R_ARM_ME_TOO = 0x80,
808 R_ARM_THM_TLS_DESCSEQ16 = 0x81,
809 R_ARM_THM_TLS_DESCSEQ32 = 0x82
810};
811
812// Mips Specific e_flags
813enum : unsigned {
814 EF_MIPS_NOREORDER = 0x00000001, // Don't reorder instructions
815 EF_MIPS_PIC = 0x00000002, // Position independent code
816 EF_MIPS_CPIC = 0x00000004, // Call object with Position independent code
817 EF_MIPS_ABI2 = 0x00000020,
818 EF_MIPS_32BITMODE = 0x00000100,
819 EF_MIPS_NAN2008 = 0x00000400, // Uses IEE 754-2008 NaN encoding
820 EF_MIPS_ABI_O32 = 0x00001000, // This file follows the first MIPS 32 bit ABI
821
822 //ARCH_ASE
823 EF_MIPS_MICROMIPS = 0x02000000, // microMIPS
824 EF_MIPS_ARCH_ASE_M16 =
825 0x04000000, // Has Mips-16 ISA extensions
826 //ARCH
827 EF_MIPS_ARCH_1 = 0x00000000, // MIPS1 instruction set
828 EF_MIPS_ARCH_2 = 0x10000000, // MIPS2 instruction set
829 EF_MIPS_ARCH_3 = 0x20000000, // MIPS3 instruction set
830 EF_MIPS_ARCH_4 = 0x30000000, // MIPS4 instruction set
831 EF_MIPS_ARCH_5 = 0x40000000, // MIPS5 instruction set
832 EF_MIPS_ARCH_32 = 0x50000000, // MIPS32 instruction set per linux not elf.h
833 EF_MIPS_ARCH_64 = 0x60000000, // MIPS64 instruction set per linux not elf.h
834 EF_MIPS_ARCH_32R2 = 0x70000000, // mips32r2
835 EF_MIPS_ARCH_64R2 = 0x80000000, // mips64r2
836 EF_MIPS_ARCH_32R6 = 0x90000000, // mips32r6
837 EF_MIPS_ARCH_64R6 = 0xa0000000, // mips64r6
838 EF_MIPS_ARCH = 0xf0000000 // Mask for applying EF_MIPS_ARCH_ variant
839};
840
841// ELF Relocation types for Mips
842enum {
843 R_MIPS_NONE = 0,
844 R_MIPS_16 = 1,
845 R_MIPS_32 = 2,
846 R_MIPS_REL32 = 3,
847 R_MIPS_26 = 4,
848 R_MIPS_HI16 = 5,
849 R_MIPS_LO16 = 6,
850 R_MIPS_GPREL16 = 7,
851 R_MIPS_LITERAL = 8,
852 R_MIPS_GOT16 = 9,
853 R_MIPS_PC16 = 10,
854 R_MIPS_CALL16 = 11,
855 R_MIPS_GPREL32 = 12,
856 R_MIPS_UNUSED1 = 13,
857 R_MIPS_UNUSED2 = 14,
858 R_MIPS_SHIFT5 = 16,
859 R_MIPS_SHIFT6 = 17,
860 R_MIPS_64 = 18,
861 R_MIPS_GOT_DISP = 19,
862 R_MIPS_GOT_PAGE = 20,
863 R_MIPS_GOT_OFST = 21,
864 R_MIPS_GOT_HI16 = 22,
865 R_MIPS_GOT_LO16 = 23,
866 R_MIPS_SUB = 24,
867 R_MIPS_INSERT_A = 25,
868 R_MIPS_INSERT_B = 26,
869 R_MIPS_DELETE = 27,
870 R_MIPS_HIGHER = 28,
871 R_MIPS_HIGHEST = 29,
872 R_MIPS_CALL_HI16 = 30,
873 R_MIPS_CALL_LO16 = 31,
874 R_MIPS_SCN_DISP = 32,
875 R_MIPS_REL16 = 33,
876 R_MIPS_ADD_IMMEDIATE = 34,
877 R_MIPS_PJUMP = 35,
878 R_MIPS_RELGOT = 36,
879 R_MIPS_JALR = 37,
880 R_MIPS_TLS_DTPMOD32 = 38,
881 R_MIPS_TLS_DTPREL32 = 39,
882 R_MIPS_TLS_DTPMOD64 = 40,
883 R_MIPS_TLS_DTPREL64 = 41,
884 R_MIPS_TLS_GD = 42,
885 R_MIPS_TLS_LDM = 43,
886 R_MIPS_TLS_DTPREL_HI16 = 44,
887 R_MIPS_TLS_DTPREL_LO16 = 45,
888 R_MIPS_TLS_GOTTPREL = 46,
889 R_MIPS_TLS_TPREL32 = 47,
890 R_MIPS_TLS_TPREL64 = 48,
891 R_MIPS_TLS_TPREL_HI16 = 49,
892 R_MIPS_TLS_TPREL_LO16 = 50,
893 R_MIPS_GLOB_DAT = 51,
894 R_MIPS_PC21_S2 = 60,
895 R_MIPS_PC26_S2 = 61,
896 R_MIPS_PC18_S3 = 62,
897 R_MIPS_PC19_S2 = 63,
898 R_MIPS_PCHI16 = 64,
899 R_MIPS_PCLO16 = 65,
900 R_MIPS16_GOT16 = 102,
901 R_MIPS16_HI16 = 104,
902 R_MIPS16_LO16 = 105,
903 R_MIPS_COPY = 126,
904 R_MIPS_JUMP_SLOT = 127,
905 R_MICROMIPS_26_S1 = 133,
906 R_MICROMIPS_HI16 = 134,
907 R_MICROMIPS_LO16 = 135,
908 R_MICROMIPS_GOT16 = 138,
909 R_MICROMIPS_PC16_S1 = 141,
910 R_MICROMIPS_CALL16 = 142,
911 R_MICROMIPS_GOT_DISP = 145,
912 R_MICROMIPS_GOT_PAGE = 146,
913 R_MICROMIPS_GOT_OFST = 147,
914 R_MICROMIPS_TLS_GD = 162,
915 R_MICROMIPS_TLS_LDM = 163,
916 R_MICROMIPS_TLS_DTPREL_HI16 = 164,
917 R_MICROMIPS_TLS_DTPREL_LO16 = 165,
918 R_MICROMIPS_TLS_TPREL_HI16 = 169,
919 R_MICROMIPS_TLS_TPREL_LO16 = 170,
920 R_MIPS_NUM = 218,
921 R_MIPS_PC32 = 248
922};
923
924// Special values for the st_other field in the symbol table entry for MIPS.
925enum {
926 STO_MIPS_OPTIONAL = 0x04, // Symbol whose definition is optional
927 STO_MIPS_PLT = 0x08, // PLT entry related dynamic table record
928 STO_MIPS_PIC = 0x20, // PIC func in an object mixes PIC/non-PIC
929 STO_MIPS_MICROMIPS = 0x80, // MIPS Specific ISA for MicroMips
930 STO_MIPS_MIPS16 = 0xf0 // MIPS Specific ISA for Mips16
931};
932
933// Hexagon Specific e_flags
934// Release 5 ABI
935enum {
936 // Object processor version flags, bits[3:0]
937 EF_HEXAGON_MACH_V2 = 0x00000001, // Hexagon V2
938 EF_HEXAGON_MACH_V3 = 0x00000002, // Hexagon V3
939 EF_HEXAGON_MACH_V4 = 0x00000003, // Hexagon V4
940 EF_HEXAGON_MACH_V5 = 0x00000004, // Hexagon V5
941
942 // Highest ISA version flags
943 EF_HEXAGON_ISA_MACH = 0x00000000, // Same as specified in bits[3:0]
944 // of e_flags
945 EF_HEXAGON_ISA_V2 = 0x00000010, // Hexagon V2 ISA
946 EF_HEXAGON_ISA_V3 = 0x00000020, // Hexagon V3 ISA
947 EF_HEXAGON_ISA_V4 = 0x00000030, // Hexagon V4 ISA
948 EF_HEXAGON_ISA_V5 = 0x00000040 // Hexagon V5 ISA
949};
950
951// Hexagon specific Section indexes for common small data
952// Release 5 ABI
953enum {
954 SHN_HEXAGON_SCOMMON = 0xff00, // Other access sizes
955 SHN_HEXAGON_SCOMMON_1 = 0xff01, // Byte-sized access
956 SHN_HEXAGON_SCOMMON_2 = 0xff02, // Half-word-sized access
957 SHN_HEXAGON_SCOMMON_4 = 0xff03, // Word-sized access
958 SHN_HEXAGON_SCOMMON_8 = 0xff04 // Double-word-size access
959};
960
961// ELF Relocation types for Hexagon
962// Release 5 ABI
963enum {
964 R_HEX_NONE = 0,
965 R_HEX_B22_PCREL = 1,
966 R_HEX_B15_PCREL = 2,
967 R_HEX_B7_PCREL = 3,
968 R_HEX_LO16 = 4,
969 R_HEX_HI16 = 5,
970 R_HEX_32 = 6,
971 R_HEX_16 = 7,
972 R_HEX_8 = 8,
973 R_HEX_GPREL16_0 = 9,
974 R_HEX_GPREL16_1 = 10,
975 R_HEX_GPREL16_2 = 11,
976 R_HEX_GPREL16_3 = 12,
977 R_HEX_HL16 = 13,
978 R_HEX_B13_PCREL = 14,
979 R_HEX_B9_PCREL = 15,
980 R_HEX_B32_PCREL_X = 16,
981 R_HEX_32_6_X = 17,
982 R_HEX_B22_PCREL_X = 18,
983 R_HEX_B15_PCREL_X = 19,
984 R_HEX_B13_PCREL_X = 20,
985 R_HEX_B9_PCREL_X = 21,
986 R_HEX_B7_PCREL_X = 22,
987 R_HEX_16_X = 23,
988 R_HEX_12_X = 24,
989 R_HEX_11_X = 25,
990 R_HEX_10_X = 26,
991 R_HEX_9_X = 27,
992 R_HEX_8_X = 28,
993 R_HEX_7_X = 29,
994 R_HEX_6_X = 30,
995 R_HEX_32_PCREL = 31,
996 R_HEX_COPY = 32,
997 R_HEX_GLOB_DAT = 33,
998 R_HEX_JMP_SLOT = 34,
999 R_HEX_RELATIVE = 35,
1000 R_HEX_PLT_B22_PCREL = 36,
1001 R_HEX_GOTREL_LO16 = 37,
1002 R_HEX_GOTREL_HI16 = 38,
1003 R_HEX_GOTREL_32 = 39,
1004 R_HEX_GOT_LO16 = 40,
1005 R_HEX_GOT_HI16 = 41,
1006 R_HEX_GOT_32 = 42,
1007 R_HEX_GOT_16 = 43,
1008 R_HEX_DTPMOD_32 = 44,
1009 R_HEX_DTPREL_LO16 = 45,
1010 R_HEX_DTPREL_HI16 = 46,
1011 R_HEX_DTPREL_32 = 47,
1012 R_HEX_DTPREL_16 = 48,
1013 R_HEX_GD_PLT_B22_PCREL = 49,
1014 R_HEX_GD_GOT_LO16 = 50,
1015 R_HEX_GD_GOT_HI16 = 51,
1016 R_HEX_GD_GOT_32 = 52,
1017 R_HEX_GD_GOT_16 = 53,
1018 R_HEX_IE_LO16 = 54,
1019 R_HEX_IE_HI16 = 55,
1020 R_HEX_IE_32 = 56,
1021 R_HEX_IE_GOT_LO16 = 57,
1022 R_HEX_IE_GOT_HI16 = 58,
1023 R_HEX_IE_GOT_32 = 59,
1024 R_HEX_IE_GOT_16 = 60,
1025 R_HEX_TPREL_LO16 = 61,
1026 R_HEX_TPREL_HI16 = 62,
1027 R_HEX_TPREL_32 = 63,
1028 R_HEX_TPREL_16 = 64,
1029 R_HEX_6_PCREL_X = 65,
1030 R_HEX_GOTREL_32_6_X = 66,
1031 R_HEX_GOTREL_16_X = 67,
1032 R_HEX_GOTREL_11_X = 68,
1033 R_HEX_GOT_32_6_X = 69,
1034 R_HEX_GOT_16_X = 70,
1035 R_HEX_GOT_11_X = 71,
1036 R_HEX_DTPREL_32_6_X = 72,
1037 R_HEX_DTPREL_16_X = 73,
1038 R_HEX_DTPREL_11_X = 74,
1039 R_HEX_GD_GOT_32_6_X = 75,
1040 R_HEX_GD_GOT_16_X = 76,
1041 R_HEX_GD_GOT_11_X = 77,
1042 R_HEX_IE_32_6_X = 78,
1043 R_HEX_IE_16_X = 79,
1044 R_HEX_IE_GOT_32_6_X = 80,
1045 R_HEX_IE_GOT_16_X = 81,
1046 R_HEX_IE_GOT_11_X = 82,
1047 R_HEX_TPREL_32_6_X = 83,
1048 R_HEX_TPREL_16_X = 84,
1049 R_HEX_TPREL_11_X = 85
1050};
1051
1052// ELF Relocation types for S390/zSeries
1053enum {
1054 R_390_NONE = 0,
1055 R_390_8 = 1,
1056 R_390_12 = 2,
1057 R_390_16 = 3,
1058 R_390_32 = 4,
1059 R_390_PC32 = 5,
1060 R_390_GOT12 = 6,
1061 R_390_GOT32 = 7,
1062 R_390_PLT32 = 8,
1063 R_390_COPY = 9,
1064 R_390_GLOB_DAT = 10,
1065 R_390_JMP_SLOT = 11,
1066 R_390_RELATIVE = 12,
1067 R_390_GOTOFF = 13,
1068 R_390_GOTPC = 14,
1069 R_390_GOT16 = 15,
1070 R_390_PC16 = 16,
1071 R_390_PC16DBL = 17,
1072 R_390_PLT16DBL = 18,
1073 R_390_PC32DBL = 19,
1074 R_390_PLT32DBL = 20,
1075 R_390_GOTPCDBL = 21,
1076 R_390_64 = 22,
1077 R_390_PC64 = 23,
1078 R_390_GOT64 = 24,
1079 R_390_PLT64 = 25,
1080 R_390_GOTENT = 26,
1081 R_390_GOTOFF16 = 27,
1082 R_390_GOTOFF64 = 28,
1083 R_390_GOTPLT12 = 29,
1084 R_390_GOTPLT16 = 30,
1085 R_390_GOTPLT32 = 31,
1086 R_390_GOTPLT64 = 32,
1087 R_390_GOTPLTENT = 33,
1088 R_390_PLTOFF16 = 34,
1089 R_390_PLTOFF32 = 35,
1090 R_390_PLTOFF64 = 36,
1091 R_390_TLS_LOAD = 37,
1092 R_390_TLS_GDCALL = 38,
1093 R_390_TLS_LDCALL = 39,
1094 R_390_TLS_GD32 = 40,
1095 R_390_TLS_GD64 = 41,
1096 R_390_TLS_GOTIE12 = 42,
1097 R_390_TLS_GOTIE32 = 43,
1098 R_390_TLS_GOTIE64 = 44,
1099 R_390_TLS_LDM32 = 45,
1100 R_390_TLS_LDM64 = 46,
1101 R_390_TLS_IE32 = 47,
1102 R_390_TLS_IE64 = 48,
1103 R_390_TLS_IEENT = 49,
1104 R_390_TLS_LE32 = 50,
1105 R_390_TLS_LE64 = 51,
1106 R_390_TLS_LDO32 = 52,
1107 R_390_TLS_LDO64 = 53,
1108 R_390_TLS_DTPMOD = 54,
1109 R_390_TLS_DTPOFF = 55,
1110 R_390_TLS_TPOFF = 56,
1111 R_390_20 = 57,
1112 R_390_GOT20 = 58,
1113 R_390_GOTPLT20 = 59,
1114 R_390_TLS_GOTIE20 = 60,
1115 R_390_IRELATIVE = 61
1116};
1117
1118// ELF Relocation type for Sparc.
1119enum {
1120 R_SPARC_NONE = 0,
1121 R_SPARC_8 = 1,
1122 R_SPARC_16 = 2,
1123 R_SPARC_32 = 3,
1124 R_SPARC_DISP8 = 4,
1125 R_SPARC_DISP16 = 5,
1126 R_SPARC_DISP32 = 6,
1127 R_SPARC_WDISP30 = 7,
1128 R_SPARC_WDISP22 = 8,
1129 R_SPARC_HI22 = 9,
1130 R_SPARC_22 = 10,
1131 R_SPARC_13 = 11,
1132 R_SPARC_LO10 = 12,
1133 R_SPARC_GOT10 = 13,
1134 R_SPARC_GOT13 = 14,
1135 R_SPARC_GOT22 = 15,
1136 R_SPARC_PC10 = 16,
1137 R_SPARC_PC22 = 17,
1138 R_SPARC_WPLT30 = 18,
1139 R_SPARC_COPY = 19,
1140 R_SPARC_GLOB_DAT = 20,
1141 R_SPARC_JMP_SLOT = 21,
1142 R_SPARC_RELATIVE = 22,
1143 R_SPARC_UA32 = 23,
1144 R_SPARC_PLT32 = 24,
1145 R_SPARC_HIPLT22 = 25,
1146 R_SPARC_LOPLT10 = 26,
1147 R_SPARC_PCPLT32 = 27,
1148 R_SPARC_PCPLT22 = 28,
1149 R_SPARC_PCPLT10 = 29,
1150 R_SPARC_10 = 30,
1151 R_SPARC_11 = 31,
1152 R_SPARC_64 = 32,
1153 R_SPARC_OLO10 = 33,
1154 R_SPARC_HH22 = 34,
1155 R_SPARC_HM10 = 35,
1156 R_SPARC_LM22 = 36,
1157 R_SPARC_PC_HH22 = 37,
1158 R_SPARC_PC_HM10 = 38,
1159 R_SPARC_PC_LM22 = 39,
1160 R_SPARC_WDISP16 = 40,
1161 R_SPARC_WDISP19 = 41,
1162 R_SPARC_7 = 43,
1163 R_SPARC_5 = 44,
1164 R_SPARC_6 = 45,
1165 R_SPARC_DISP64 = 46,
1166 R_SPARC_PLT64 = 47,
1167 R_SPARC_HIX22 = 48,
1168 R_SPARC_LOX10 = 49,
1169 R_SPARC_H44 = 50,
1170 R_SPARC_M44 = 51,
1171 R_SPARC_L44 = 52,
1172 R_SPARC_REGISTER = 53,
1173 R_SPARC_UA64 = 54,
1174 R_SPARC_UA16 = 55,
1175 R_SPARC_TLS_GD_HI22 = 56,
1176 R_SPARC_TLS_GD_LO10 = 57,
1177 R_SPARC_TLS_GD_ADD = 58,
1178 R_SPARC_TLS_GD_CALL = 59,
1179 R_SPARC_TLS_LDM_HI22 = 60,
1180 R_SPARC_TLS_LDM_LO10 = 61,
1181 R_SPARC_TLS_LDM_ADD = 62,
1182 R_SPARC_TLS_LDM_CALL = 63,
1183 R_SPARC_TLS_LDO_HIX22 = 64,
1184 R_SPARC_TLS_LDO_LOX10 = 65,
1185 R_SPARC_TLS_LDO_ADD = 66,
1186 R_SPARC_TLS_IE_HI22 = 67,
1187 R_SPARC_TLS_IE_LO10 = 68,
1188 R_SPARC_TLS_IE_LD = 69,
1189 R_SPARC_TLS_IE_LDX = 70,
1190 R_SPARC_TLS_IE_ADD = 71,
1191 R_SPARC_TLS_LE_HIX22 = 72,
1192 R_SPARC_TLS_LE_LOX10 = 73,
1193 R_SPARC_TLS_DTPMOD32 = 74,
1194 R_SPARC_TLS_DTPMOD64 = 75,
1195 R_SPARC_TLS_DTPOFF32 = 76,
1196 R_SPARC_TLS_DTPOFF64 = 77,
1197 R_SPARC_TLS_TPOFF32 = 78,
1198 R_SPARC_TLS_TPOFF64 = 79,
1199 R_SPARC_GOTDATA_HIX22 = 80,
1200 R_SPARC_GOTDATA_LOX22 = 81,
1201 R_SPARC_GOTDATA_OP_HIX22 = 82,
1202 R_SPARC_GOTDATA_OP_LOX22 = 83,
1203 R_SPARC_GOTDATA_OP = 84
1204};
1205
1206// Section header.
1207struct Elf32_Shdr {
1208 Elf32_Word sh_name; // Section name (index into string table)
1209 Elf32_Word sh_type; // Section type (SHT_*)
1210 Elf32_Word sh_flags; // Section flags (SHF_*)
1211 Elf32_Addr sh_addr; // Address where section is to be loaded
1212 Elf32_Off sh_offset; // File offset of section data, in bytes
1213 Elf32_Word sh_size; // Size of section, in bytes
1214 Elf32_Word sh_link; // Section type-specific header table index link
1215 Elf32_Word sh_info; // Section type-specific extra information
1216 Elf32_Word sh_addralign; // Section address alignment
1217 Elf32_Word sh_entsize; // Size of records contained within the section
1218};
1219
1220// Section header for ELF64 - same fields as ELF32, different types.
1221struct Elf64_Shdr {
1222 Elf64_Word sh_name;
1223 Elf64_Word sh_type;
1224 Elf64_Xword sh_flags;
1225 Elf64_Addr sh_addr;
1226 Elf64_Off sh_offset;
1227 Elf64_Xword sh_size;
1228 Elf64_Word sh_link;
1229 Elf64_Word sh_info;
1230 Elf64_Xword sh_addralign;
1231 Elf64_Xword sh_entsize;
1232};
1233
1234// Special section indices.
1235enum {
1236 SHN_UNDEF = 0, // Undefined, missing, irrelevant, or meaningless
1237 SHN_LORESERVE = 0xff00, // Lowest reserved index
1238 SHN_LOPROC = 0xff00, // Lowest processor-specific index
1239 SHN_HIPROC = 0xff1f, // Highest processor-specific index
1240 SHN_LOOS = 0xff20, // Lowest operating system-specific index
1241 SHN_HIOS = 0xff3f, // Highest operating system-specific index
1242 SHN_ABS = 0xfff1, // Symbol has absolute value; does not need relocation
1243 SHN_COMMON = 0xfff2, // FORTRAN COMMON or C external global variables
1244 SHN_XINDEX = 0xffff, // Mark that the index is >= SHN_LORESERVE
1245 SHN_HIRESERVE = 0xffff // Highest reserved index
1246};
1247
1248// Section types.
1249enum : unsigned {
1250 SHT_NULL = 0, // No associated section (inactive entry).
1251 SHT_PROGBITS = 1, // Program-defined contents.
1252 SHT_SYMTAB = 2, // Symbol table.
1253 SHT_STRTAB = 3, // String table.
1254 SHT_RELA = 4, // Relocation entries; explicit addends.
1255 SHT_HASH = 5, // Symbol hash table.
1256 SHT_DYNAMIC = 6, // Information for dynamic linking.
1257 SHT_NOTE = 7, // Information about the file.
1258 SHT_NOBITS = 8, // Data occupies no space in the file.
1259 SHT_REL = 9, // Relocation entries; no explicit addends.
1260 SHT_SHLIB = 10, // Reserved.
1261 SHT_DYNSYM = 11, // Symbol table.
1262 SHT_INIT_ARRAY = 14, // Pointers to initialization functions.
1263 SHT_FINI_ARRAY = 15, // Pointers to termination functions.
1264 SHT_PREINIT_ARRAY = 16, // Pointers to pre-init functions.
1265 SHT_GROUP = 17, // Section group.
1266 SHT_SYMTAB_SHNDX = 18, // Indices for SHN_XINDEX entries.
1267 SHT_LOOS = 0x60000000, // Lowest operating system-specific type.
1268 SHT_GNU_ATTRIBUTES= 0x6ffffff5, // Object attributes.
1269 SHT_GNU_HASH = 0x6ffffff6, // GNU-style hash table.
1270 SHT_GNU_verdef = 0x6ffffffd, // GNU version definitions.
1271 SHT_GNU_verneed = 0x6ffffffe, // GNU version references.
1272 SHT_GNU_versym = 0x6fffffff, // GNU symbol versions table.
1273 SHT_HIOS = 0x6fffffff, // Highest operating system-specific type.
1274 SHT_LOPROC = 0x70000000, // Lowest processor arch-specific type.
1275 // Fixme: All this is duplicated in MCSectionELF. Why??
1276 // Exception Index table
1277 SHT_ARM_EXIDX = 0x70000001U,
1278 // BPABI DLL dynamic linking pre-emption map
1279 SHT_ARM_PREEMPTMAP = 0x70000002U,
1280 // Object file compatibility attributes
1281 SHT_ARM_ATTRIBUTES = 0x70000003U,
1282 SHT_ARM_DEBUGOVERLAY = 0x70000004U,
1283 SHT_ARM_OVERLAYSECTION = 0x70000005U,
1284 SHT_HEX_ORDERED = 0x70000000, // Link editor is to sort the entries in
1285 // this section based on their sizes
1286 SHT_X86_64_UNWIND = 0x70000001, // Unwind information
1287
1288 SHT_MIPS_REGINFO = 0x70000006, // Register usage information
1289 SHT_MIPS_OPTIONS = 0x7000000d, // General options
Douglas Leung316a2182015-09-17 15:26:25 -07001290 SHT_MIPS_ABIFLAGS = 0x7000002a, // Abiflags options
Brian Carlstrome130ee62014-07-01 23:54:20 -07001291
1292 SHT_HIPROC = 0x7fffffff, // Highest processor arch-specific type.
1293 SHT_LOUSER = 0x80000000, // Lowest type reserved for applications.
1294 SHT_HIUSER = 0xffffffff // Highest type reserved for applications.
1295};
1296
1297// Section flags.
1298enum : unsigned {
1299 // Section data should be writable during execution.
1300 SHF_WRITE = 0x1,
1301
1302 // Section occupies memory during program execution.
1303 SHF_ALLOC = 0x2,
1304
1305 // Section contains executable machine instructions.
1306 SHF_EXECINSTR = 0x4,
1307
1308 // The data in this section may be merged.
1309 SHF_MERGE = 0x10,
1310
1311 // The data in this section is null-terminated strings.
1312 SHF_STRINGS = 0x20,
1313
1314 // A field in this section holds a section header table index.
1315 SHF_INFO_LINK = 0x40U,
1316
1317 // Adds special ordering requirements for link editors.
1318 SHF_LINK_ORDER = 0x80U,
1319
1320 // This section requires special OS-specific processing to avoid incorrect
1321 // behavior.
1322 SHF_OS_NONCONFORMING = 0x100U,
1323
1324 // This section is a member of a section group.
1325 SHF_GROUP = 0x200U,
1326
1327 // This section holds Thread-Local Storage.
1328 SHF_TLS = 0x400U,
1329
1330 // This section is excluded from the final executable or shared library.
1331 SHF_EXCLUDE = 0x80000000U,
1332
1333 // Start of target-specific flags.
1334
1335 /// XCORE_SHF_CP_SECTION - All sections with the "c" flag are grouped
1336 /// together by the linker to form the constant pool and the cp register is
1337 /// set to the start of the constant pool by the boot code.
1338 XCORE_SHF_CP_SECTION = 0x800U,
1339
1340 /// XCORE_SHF_DP_SECTION - All sections with the "d" flag are grouped
1341 /// together by the linker to form the data section and the dp register is
1342 /// set to the start of the section by the boot code.
1343 XCORE_SHF_DP_SECTION = 0x1000U,
1344
1345 SHF_MASKOS = 0x0ff00000,
1346
1347 // Bits indicating processor-specific flags.
1348 SHF_MASKPROC = 0xf0000000,
1349
1350 // If an object file section does not have this flag set, then it may not hold
1351 // more than 2GB and can be freely referred to in objects using smaller code
1352 // models. Otherwise, only objects using larger code models can refer to them.
1353 // For example, a medium code model object can refer to data in a section that
1354 // sets this flag besides being able to refer to data in a section that does
1355 // not set it; likewise, a small code model object can refer only to code in a
1356 // section that does not set this flag.
1357 SHF_X86_64_LARGE = 0x10000000,
1358
1359 // All sections with the GPREL flag are grouped into a global data area
1360 // for faster accesses
1361 SHF_HEX_GPREL = 0x10000000,
1362
1363 // Section contains text/data which may be replicated in other sections.
1364 // Linker must retain only one copy.
1365 SHF_MIPS_NODUPES = 0x01000000,
1366
1367 // Linker must generate implicit hidden weak names.
1368 SHF_MIPS_NAMES = 0x02000000,
1369
1370 // Section data local to process.
1371 SHF_MIPS_LOCAL = 0x04000000,
1372
1373 // Do not strip this section.
1374 SHF_MIPS_NOSTRIP = 0x08000000,
1375
1376 // Section must be part of global data area.
1377 SHF_MIPS_GPREL = 0x10000000,
1378
1379 // This section should be merged.
1380 SHF_MIPS_MERGE = 0x20000000,
1381
1382 // Address size to be inferred from section entry size.
1383 SHF_MIPS_ADDR = 0x40000000,
1384
1385 // Section data is string data by default.
1386 SHF_MIPS_STRING = 0x80000000
1387};
1388
1389// Section Group Flags
1390enum : unsigned {
1391 GRP_COMDAT = 0x1,
1392 GRP_MASKOS = 0x0ff00000,
1393 GRP_MASKPROC = 0xf0000000
1394};
1395
1396// Symbol table entries for ELF32.
1397struct Elf32_Sym {
1398 Elf32_Word st_name; // Symbol name (index into string table)
1399 Elf32_Addr st_value; // Value or address associated with the symbol
1400 Elf32_Word st_size; // Size of the symbol
1401 unsigned char st_info; // Symbol's type and binding attributes
1402 unsigned char st_other; // Must be zero; reserved
1403 Elf32_Half st_shndx; // Which section (header table index) it's defined in
1404
1405 // These accessors and mutators correspond to the ELF32_ST_BIND,
1406 // ELF32_ST_TYPE, and ELF32_ST_INFO macros defined in the ELF specification:
1407 unsigned char getBinding() const { return st_info >> 4; }
1408 unsigned char getType() const { return st_info & 0x0f; }
1409 void setBinding(unsigned char b) { setBindingAndType(b, getType()); }
1410 void setType(unsigned char t) { setBindingAndType(getBinding(), t); }
1411 void setBindingAndType(unsigned char b, unsigned char t) {
1412 st_info = (b << 4) + (t & 0x0f);
1413 }
1414};
1415
1416// BEGIN android-added for <elf.h> compat
David Srbeckye73550d2018-01-16 12:35:41 +00001417static inline unsigned char ELF32_ST_BIND(unsigned char st_info) { return st_info >> 4; }
Brian Carlstrome130ee62014-07-01 23:54:20 -07001418static inline unsigned char ELF32_ST_TYPE(unsigned char st_info) { return st_info & 0x0f; }
David Srbeckye73550d2018-01-16 12:35:41 +00001419static inline unsigned char ELF64_ST_BIND(unsigned char st_info) { return st_info >> 4; }
Tong Shen62d1ca32014-09-03 17:24:56 -07001420static inline unsigned char ELF64_ST_TYPE(unsigned char st_info) { return st_info & 0x0f; }
Brian Carlstrome130ee62014-07-01 23:54:20 -07001421// END android-added for <elf.h> compat
1422
1423// Symbol table entries for ELF64.
1424struct Elf64_Sym {
1425 Elf64_Word st_name; // Symbol name (index into string table)
1426 unsigned char st_info; // Symbol's type and binding attributes
1427 unsigned char st_other; // Must be zero; reserved
1428 Elf64_Half st_shndx; // Which section (header tbl index) it's defined in
1429 Elf64_Addr st_value; // Value or address associated with the symbol
1430 Elf64_Xword st_size; // Size of the symbol
1431
1432 // These accessors and mutators are identical to those defined for ELF32
1433 // symbol table entries.
1434 unsigned char getBinding() const { return st_info >> 4; }
1435 unsigned char getType() const { return st_info & 0x0f; }
1436 void setBinding(unsigned char b) { setBindingAndType(b, getType()); }
1437 void setType(unsigned char t) { setBindingAndType(getBinding(), t); }
1438 void setBindingAndType(unsigned char b, unsigned char t) {
1439 st_info = (b << 4) + (t & 0x0f);
1440 }
1441};
1442
1443// The size (in bytes) of symbol table entries.
1444enum {
1445 SYMENTRY_SIZE32 = 16, // 32-bit symbol entry size
1446 SYMENTRY_SIZE64 = 24 // 64-bit symbol entry size.
1447};
1448
1449// Symbol bindings.
1450enum {
1451 STB_LOCAL = 0, // Local symbol, not visible outside obj file containing def
1452 STB_GLOBAL = 1, // Global symbol, visible to all object files being combined
1453 STB_WEAK = 2, // Weak symbol, like global but lower-precedence
1454 STB_LOOS = 10, // Lowest operating system-specific binding type
1455 STB_HIOS = 12, // Highest operating system-specific binding type
1456 STB_LOPROC = 13, // Lowest processor-specific binding type
1457 STB_HIPROC = 15 // Highest processor-specific binding type
1458};
1459
1460// Symbol types.
1461enum {
1462 STT_NOTYPE = 0, // Symbol's type is not specified
1463 STT_OBJECT = 1, // Symbol is a data object (variable, array, etc.)
1464 STT_FUNC = 2, // Symbol is executable code (function, etc.)
1465 STT_SECTION = 3, // Symbol refers to a section
1466 STT_FILE = 4, // Local, absolute symbol that refers to a file
1467 STT_COMMON = 5, // An uninitialized common block
1468 STT_TLS = 6, // Thread local data object
1469 STT_LOOS = 7, // Lowest operating system-specific symbol type
1470 STT_HIOS = 8, // Highest operating system-specific symbol type
1471 STT_GNU_IFUNC = 10, // GNU indirect function
1472 STT_LOPROC = 13, // Lowest processor-specific symbol type
1473 STT_HIPROC = 15 // Highest processor-specific symbol type
1474};
1475
1476enum {
1477 STV_DEFAULT = 0, // Visibility is specified by binding type
1478 STV_INTERNAL = 1, // Defined by processor supplements
1479 STV_HIDDEN = 2, // Not visible to other components
1480 STV_PROTECTED = 3 // Visible in other components but not preemptable
1481};
1482
1483// Symbol number.
1484enum {
1485 STN_UNDEF = 0
1486};
1487
1488// Relocation entry, without explicit addend.
1489struct Elf32_Rel {
1490 Elf32_Addr r_offset; // Location (file byte offset, or program virtual addr)
1491 Elf32_Word r_info; // Symbol table index and type of relocation to apply
1492
1493 // These accessors and mutators correspond to the ELF32_R_SYM, ELF32_R_TYPE,
1494 // and ELF32_R_INFO macros defined in the ELF specification:
1495 Elf32_Word getSymbol() const { return (r_info >> 8); }
1496 unsigned char getType() const { return (unsigned char) (r_info & 0x0ff); }
1497 void setSymbol(Elf32_Word s) { setSymbolAndType(s, getType()); }
1498 void setType(unsigned char t) { setSymbolAndType(getSymbol(), t); }
1499 void setSymbolAndType(Elf32_Word s, unsigned char t) {
1500 r_info = (s << 8) + t;
1501 }
1502};
1503
1504// Relocation entry with explicit addend.
1505struct Elf32_Rela {
1506 Elf32_Addr r_offset; // Location (file byte offset, or program virtual addr)
1507 Elf32_Word r_info; // Symbol table index and type of relocation to apply
1508 Elf32_Sword r_addend; // Compute value for relocatable field by adding this
1509
1510 // These accessors and mutators correspond to the ELF32_R_SYM, ELF32_R_TYPE,
1511 // and ELF32_R_INFO macros defined in the ELF specification:
1512 Elf32_Word getSymbol() const { return (r_info >> 8); }
1513 unsigned char getType() const { return (unsigned char) (r_info & 0x0ff); }
1514 void setSymbol(Elf32_Word s) { setSymbolAndType(s, getType()); }
1515 void setType(unsigned char t) { setSymbolAndType(getSymbol(), t); }
1516 void setSymbolAndType(Elf32_Word s, unsigned char t) {
1517 r_info = (s << 8) + t;
1518 }
1519};
1520
1521// Relocation entry, without explicit addend.
1522struct Elf64_Rel {
1523 Elf64_Addr r_offset; // Location (file byte offset, or program virtual addr).
1524 Elf64_Xword r_info; // Symbol table index and type of relocation to apply.
1525
1526 // These accessors and mutators correspond to the ELF64_R_SYM, ELF64_R_TYPE,
1527 // and ELF64_R_INFO macros defined in the ELF specification:
1528 Elf64_Word getSymbol() const { return (r_info >> 32); }
1529 Elf64_Word getType() const {
1530 return (Elf64_Word) (r_info & 0xffffffffL);
1531 }
1532 void setSymbol(Elf64_Word s) { setSymbolAndType(s, getType()); }
1533 void setType(Elf64_Word t) { setSymbolAndType(getSymbol(), t); }
1534 void setSymbolAndType(Elf64_Word s, Elf64_Word t) {
1535 r_info = ((Elf64_Xword)s << 32) + (t&0xffffffffL);
1536 }
1537};
1538
1539// Relocation entry with explicit addend.
1540struct Elf64_Rela {
1541 Elf64_Addr r_offset; // Location (file byte offset, or program virtual addr).
1542 Elf64_Xword r_info; // Symbol table index and type of relocation to apply.
1543 Elf64_Sxword r_addend; // Compute value for relocatable field by adding this.
1544
1545 // These accessors and mutators correspond to the ELF64_R_SYM, ELF64_R_TYPE,
1546 // and ELF64_R_INFO macros defined in the ELF specification:
1547 Elf64_Word getSymbol() const { return (r_info >> 32); }
1548 Elf64_Word getType() const {
1549 return (Elf64_Word) (r_info & 0xffffffffL);
1550 }
1551 void setSymbol(Elf64_Word s) { setSymbolAndType(s, getType()); }
1552 void setType(Elf64_Word t) { setSymbolAndType(getSymbol(), t); }
1553 void setSymbolAndType(Elf64_Word s, Elf64_Word t) {
1554 r_info = ((Elf64_Xword)s << 32) + (t&0xffffffffL);
1555 }
1556};
1557
1558// Program header for ELF32.
1559struct Elf32_Phdr {
1560 Elf32_Word p_type; // Type of segment
1561 Elf32_Off p_offset; // File offset where segment is located, in bytes
1562 Elf32_Addr p_vaddr; // Virtual address of beginning of segment
1563 Elf32_Addr p_paddr; // Physical address of beginning of segment (OS-specific)
1564 Elf32_Word p_filesz; // Num. of bytes in file image of segment (may be zero)
1565 Elf32_Word p_memsz; // Num. of bytes in mem image of segment (may be zero)
1566 Elf32_Word p_flags; // Segment flags
1567 Elf32_Word p_align; // Segment alignment constraint
1568};
1569
1570// Program header for ELF64.
1571struct Elf64_Phdr {
1572 Elf64_Word p_type; // Type of segment
1573 Elf64_Word p_flags; // Segment flags
1574 Elf64_Off p_offset; // File offset where segment is located, in bytes
1575 Elf64_Addr p_vaddr; // Virtual address of beginning of segment
1576 Elf64_Addr p_paddr; // Physical addr of beginning of segment (OS-specific)
1577 Elf64_Xword p_filesz; // Num. of bytes in file image of segment (may be zero)
1578 Elf64_Xword p_memsz; // Num. of bytes in mem image of segment (may be zero)
1579 Elf64_Xword p_align; // Segment alignment constraint
1580};
1581
1582// Segment types.
1583enum {
1584 PT_NULL = 0, // Unused segment.
1585 PT_LOAD = 1, // Loadable segment.
1586 PT_DYNAMIC = 2, // Dynamic linking information.
1587 PT_INTERP = 3, // Interpreter pathname.
1588 PT_NOTE = 4, // Auxiliary information.
1589 PT_SHLIB = 5, // Reserved.
1590 PT_PHDR = 6, // The program header table itself.
1591 PT_TLS = 7, // The thread-local storage template.
1592 PT_LOOS = 0x60000000, // Lowest operating system-specific pt entry type.
1593 PT_HIOS = 0x6fffffff, // Highest operating system-specific pt entry type.
1594 PT_LOPROC = 0x70000000, // Lowest processor-specific program hdr entry type.
1595 PT_HIPROC = 0x7fffffff, // Highest processor-specific program hdr entry type.
1596
1597 // x86-64 program header types.
1598 // These all contain stack unwind tables.
1599 PT_GNU_EH_FRAME = 0x6474e550,
1600 PT_SUNW_EH_FRAME = 0x6474e550,
1601 PT_SUNW_UNWIND = 0x6464e550,
1602
1603 PT_GNU_STACK = 0x6474e551, // Indicates stack executability.
1604 PT_GNU_RELRO = 0x6474e552, // Read-only after relocation.
1605
1606 // ARM program header types.
1607 PT_ARM_ARCHEXT = 0x70000000, // Platform architecture compatibility info
1608 // These all contain stack unwind tables.
1609 PT_ARM_EXIDX = 0x70000001,
1610 PT_ARM_UNWIND = 0x70000001,
1611
1612 // MIPS program header types.
1613 PT_MIPS_REGINFO = 0x70000000, // Register usage information.
1614 PT_MIPS_RTPROC = 0x70000001, // Runtime procedure table.
Douglas Leung316a2182015-09-17 15:26:25 -07001615 PT_MIPS_OPTIONS = 0x70000002, // Options segment.
1616 PT_MIPS_ABIFLAGS = 0x70000003 // Abiflags segment.
Brian Carlstrome130ee62014-07-01 23:54:20 -07001617};
1618
1619// Segment flag bits.
1620enum : unsigned {
1621 PF_X = 1, // Execute
1622 PF_W = 2, // Write
1623 PF_R = 4, // Read
1624 PF_MASKOS = 0x0ff00000,// Bits for operating system-specific semantics.
1625 PF_MASKPROC = 0xf0000000 // Bits for processor-specific semantics.
1626};
1627
1628// Dynamic table entry for ELF32.
1629struct Elf32_Dyn
1630{
1631 Elf32_Sword d_tag; // Type of dynamic table entry.
1632 union
1633 {
1634 Elf32_Word d_val; // Integer value of entry.
1635 Elf32_Addr d_ptr; // Pointer value of entry.
1636 } d_un;
1637};
1638
1639// Dynamic table entry for ELF64.
1640struct Elf64_Dyn
1641{
1642 Elf64_Sxword d_tag; // Type of dynamic table entry.
1643 union
1644 {
1645 Elf64_Xword d_val; // Integer value of entry.
1646 Elf64_Addr d_ptr; // Pointer value of entry.
1647 } d_un;
1648};
1649
1650// Dynamic table entry tags.
1651enum {
1652 DT_NULL = 0, // Marks end of dynamic array.
1653 DT_NEEDED = 1, // String table offset of needed library.
1654 DT_PLTRELSZ = 2, // Size of relocation entries in PLT.
1655 DT_PLTGOT = 3, // Address associated with linkage table.
1656 DT_HASH = 4, // Address of symbolic hash table.
1657 DT_STRTAB = 5, // Address of dynamic string table.
1658 DT_SYMTAB = 6, // Address of dynamic symbol table.
1659 DT_RELA = 7, // Address of relocation table (Rela entries).
1660 DT_RELASZ = 8, // Size of Rela relocation table.
1661 DT_RELAENT = 9, // Size of a Rela relocation entry.
1662 DT_STRSZ = 10, // Total size of the string table.
1663 DT_SYMENT = 11, // Size of a symbol table entry.
1664 DT_INIT = 12, // Address of initialization function.
1665 DT_FINI = 13, // Address of termination function.
1666 DT_SONAME = 14, // String table offset of a shared objects name.
1667 DT_RPATH = 15, // String table offset of library search path.
1668 DT_SYMBOLIC = 16, // Changes symbol resolution algorithm.
1669 DT_REL = 17, // Address of relocation table (Rel entries).
1670 DT_RELSZ = 18, // Size of Rel relocation table.
1671 DT_RELENT = 19, // Size of a Rel relocation entry.
1672 DT_PLTREL = 20, // Type of relocation entry used for linking.
1673 DT_DEBUG = 21, // Reserved for debugger.
1674 DT_TEXTREL = 22, // Relocations exist for non-writable segments.
1675 DT_JMPREL = 23, // Address of relocations associated with PLT.
1676 DT_BIND_NOW = 24, // Process all relocations before execution.
1677 DT_INIT_ARRAY = 25, // Pointer to array of initialization functions.
1678 DT_FINI_ARRAY = 26, // Pointer to array of termination functions.
1679 DT_INIT_ARRAYSZ = 27, // Size of DT_INIT_ARRAY.
1680 DT_FINI_ARRAYSZ = 28, // Size of DT_FINI_ARRAY.
1681 DT_RUNPATH = 29, // String table offset of lib search path.
1682 DT_FLAGS = 30, // Flags.
1683 DT_ENCODING = 32, // Values from here to DT_LOOS follow the rules
1684 // for the interpretation of the d_un union.
1685
1686 DT_PREINIT_ARRAY = 32, // Pointer to array of preinit functions.
1687 DT_PREINIT_ARRAYSZ = 33, // Size of the DT_PREINIT_ARRAY array.
1688
1689 DT_LOOS = 0x60000000, // Start of environment specific tags.
1690 DT_HIOS = 0x6FFFFFFF, // End of environment specific tags.
1691 DT_LOPROC = 0x70000000, // Start of processor specific tags.
1692 DT_HIPROC = 0x7FFFFFFF, // End of processor specific tags.
1693
1694 DT_GNU_HASH = 0x6FFFFEF5, // Reference to the GNU hash table.
1695 DT_RELACOUNT = 0x6FFFFFF9, // ELF32_Rela count.
1696 DT_RELCOUNT = 0x6FFFFFFA, // ELF32_Rel count.
1697
1698 DT_FLAGS_1 = 0X6FFFFFFB, // Flags_1.
1699 DT_VERSYM = 0x6FFFFFF0, // The address of .gnu.version section.
1700 DT_VERDEF = 0X6FFFFFFC, // The address of the version definition table.
1701 DT_VERDEFNUM = 0X6FFFFFFD, // The number of entries in DT_VERDEF.
1702 DT_VERNEED = 0X6FFFFFFE, // The address of the version Dependency table.
1703 DT_VERNEEDNUM = 0X6FFFFFFF, // The number of entries in DT_VERNEED.
1704
1705 // Mips specific dynamic table entry tags.
1706 DT_MIPS_RLD_VERSION = 0x70000001, // 32 bit version number for runtime
1707 // linker interface.
1708 DT_MIPS_TIME_STAMP = 0x70000002, // Time stamp.
1709 DT_MIPS_ICHECKSUM = 0x70000003, // Checksum of external strings
1710 // and common sizes.
1711 DT_MIPS_IVERSION = 0x70000004, // Index of version string
1712 // in string table.
1713 DT_MIPS_FLAGS = 0x70000005, // 32 bits of flags.
1714 DT_MIPS_BASE_ADDRESS = 0x70000006, // Base address of the segment.
1715 DT_MIPS_MSYM = 0x70000007, // Address of .msym section.
1716 DT_MIPS_CONFLICT = 0x70000008, // Address of .conflict section.
1717 DT_MIPS_LIBLIST = 0x70000009, // Address of .liblist section.
1718 DT_MIPS_LOCAL_GOTNO = 0x7000000a, // Number of local global offset
1719 // table entries.
1720 DT_MIPS_CONFLICTNO = 0x7000000b, // Number of entries
1721 // in the .conflict section.
1722 DT_MIPS_LIBLISTNO = 0x70000010, // Number of entries
1723 // in the .liblist section.
1724 DT_MIPS_SYMTABNO = 0x70000011, // Number of entries
1725 // in the .dynsym section.
1726 DT_MIPS_UNREFEXTNO = 0x70000012, // Index of first external dynamic symbol
1727 // not referenced locally.
1728 DT_MIPS_GOTSYM = 0x70000013, // Index of first dynamic symbol
1729 // in global offset table.
1730 DT_MIPS_HIPAGENO = 0x70000014, // Number of page table entries
1731 // in global offset table.
1732 DT_MIPS_RLD_MAP = 0x70000016, // Address of run time loader map,
1733 // used for debugging.
1734 DT_MIPS_DELTA_CLASS = 0x70000017, // Delta C++ class definition.
1735 DT_MIPS_DELTA_CLASS_NO = 0x70000018, // Number of entries
1736 // in DT_MIPS_DELTA_CLASS.
1737 DT_MIPS_DELTA_INSTANCE = 0x70000019, // Delta C++ class instances.
1738 DT_MIPS_DELTA_INSTANCE_NO = 0x7000001A, // Number of entries
1739 // in DT_MIPS_DELTA_INSTANCE.
1740 DT_MIPS_DELTA_RELOC = 0x7000001B, // Delta relocations.
1741 DT_MIPS_DELTA_RELOC_NO = 0x7000001C, // Number of entries
1742 // in DT_MIPS_DELTA_RELOC.
1743 DT_MIPS_DELTA_SYM = 0x7000001D, // Delta symbols that Delta
1744 // relocations refer to.
1745 DT_MIPS_DELTA_SYM_NO = 0x7000001E, // Number of entries
1746 // in DT_MIPS_DELTA_SYM.
1747 DT_MIPS_DELTA_CLASSSYM = 0x70000020, // Delta symbols that hold
1748 // class declarations.
1749 DT_MIPS_DELTA_CLASSSYM_NO = 0x70000021, // Number of entries
1750 // in DT_MIPS_DELTA_CLASSSYM.
1751 DT_MIPS_CXX_FLAGS = 0x70000022, // Flags indicating information
1752 // about C++ flavor.
1753 DT_MIPS_PIXIE_INIT = 0x70000023, // Pixie information.
1754 DT_MIPS_SYMBOL_LIB = 0x70000024, // Address of .MIPS.symlib
1755 DT_MIPS_LOCALPAGE_GOTIDX = 0x70000025, // The GOT index of the first PTE
1756 // for a segment
1757 DT_MIPS_LOCAL_GOTIDX = 0x70000026, // The GOT index of the first PTE
1758 // for a local symbol
1759 DT_MIPS_HIDDEN_GOTIDX = 0x70000027, // The GOT index of the first PTE
1760 // for a hidden symbol
1761 DT_MIPS_PROTECTED_GOTIDX = 0x70000028, // The GOT index of the first PTE
1762 // for a protected symbol
1763 DT_MIPS_OPTIONS = 0x70000029, // Address of `.MIPS.options'.
1764 DT_MIPS_INTERFACE = 0x7000002A, // Address of `.interface'.
1765 DT_MIPS_DYNSTR_ALIGN = 0x7000002B, // Unknown.
1766 DT_MIPS_INTERFACE_SIZE = 0x7000002C, // Size of the .interface section.
1767 DT_MIPS_RLD_TEXT_RESOLVE_ADDR = 0x7000002D, // Size of rld_text_resolve
1768 // function stored in the GOT.
1769 DT_MIPS_PERF_SUFFIX = 0x7000002E, // Default suffix of DSO to be added
1770 // by rld on dlopen() calls.
1771 DT_MIPS_COMPACT_SIZE = 0x7000002F, // Size of compact relocation
1772 // section (O32).
1773 DT_MIPS_GP_VALUE = 0x70000030, // GP value for auxiliary GOTs.
1774 DT_MIPS_AUX_DYNAMIC = 0x70000031, // Address of auxiliary .dynamic.
1775 DT_MIPS_PLTGOT = 0x70000032, // Address of the base of the PLTGOT.
1776 DT_MIPS_RWPLT = 0x70000034 // Points to the base
1777 // of a writable PLT.
1778};
1779
1780// DT_FLAGS values.
1781enum {
1782 DF_ORIGIN = 0x01, // The object may reference $ORIGIN.
1783 DF_SYMBOLIC = 0x02, // Search the shared lib before searching the exe.
1784 DF_TEXTREL = 0x04, // Relocations may modify a non-writable segment.
1785 DF_BIND_NOW = 0x08, // Process all relocations on load.
1786 DF_STATIC_TLS = 0x10 // Reject attempts to load dynamically.
1787};
1788
1789// State flags selectable in the `d_un.d_val' element of the DT_FLAGS_1 entry.
1790enum {
1791 DF_1_NOW = 0x00000001, // Set RTLD_NOW for this object.
1792 DF_1_GLOBAL = 0x00000002, // Set RTLD_GLOBAL for this object.
1793 DF_1_GROUP = 0x00000004, // Set RTLD_GROUP for this object.
1794 DF_1_NODELETE = 0x00000008, // Set RTLD_NODELETE for this object.
1795 DF_1_LOADFLTR = 0x00000010, // Trigger filtee loading at runtime.
1796 DF_1_INITFIRST = 0x00000020, // Set RTLD_INITFIRST for this object.
1797 DF_1_NOOPEN = 0x00000040, // Set RTLD_NOOPEN for this object.
1798 DF_1_ORIGIN = 0x00000080, // $ORIGIN must be handled.
1799 DF_1_DIRECT = 0x00000100, // Direct binding enabled.
1800 DF_1_TRANS = 0x00000200,
1801 DF_1_INTERPOSE = 0x00000400, // Object is used to interpose.
1802 DF_1_NODEFLIB = 0x00000800, // Ignore default lib search path.
1803 DF_1_NODUMP = 0x00001000, // Object can't be dldump'ed.
1804 DF_1_CONFALT = 0x00002000, // Configuration alternative created.
1805 DF_1_ENDFILTEE = 0x00004000, // Filtee terminates filters search.
1806 DF_1_DISPRELDNE = 0x00008000, // Disp reloc applied at build time.
1807 DF_1_DISPRELPND = 0x00010000 // Disp reloc applied at run-time.
1808};
1809
1810// DT_MIPS_FLAGS values.
1811enum {
1812 RHF_NONE = 0x00000000, // No flags.
1813 RHF_QUICKSTART = 0x00000001, // Uses shortcut pointers.
1814 RHF_NOTPOT = 0x00000002, // Hash size is not a power of two.
1815 RHS_NO_LIBRARY_REPLACEMENT = 0x00000004, // Ignore LD_LIBRARY_PATH.
1816 RHF_NO_MOVE = 0x00000008, // DSO address may not be relocated.
1817 RHF_SGI_ONLY = 0x00000010, // SGI specific features.
1818 RHF_GUARANTEE_INIT = 0x00000020, // Guarantee that .init will finish
1819 // executing before any non-init
1820 // code in DSO is called.
1821 RHF_DELTA_C_PLUS_PLUS = 0x00000040, // Contains Delta C++ code.
1822 RHF_GUARANTEE_START_INIT = 0x00000080, // Guarantee that .init will start
1823 // executing before any non-init
1824 // code in DSO is called.
1825 RHF_PIXIE = 0x00000100, // Generated by pixie.
1826 RHF_DEFAULT_DELAY_LOAD = 0x00000200, // Delay-load DSO by default.
1827 RHF_REQUICKSTART = 0x00000400, // Object may be requickstarted
1828 RHF_REQUICKSTARTED = 0x00000800, // Object has been requickstarted
1829 RHF_CORD = 0x00001000, // Generated by cord.
1830 RHF_NO_UNRES_UNDEF = 0x00002000, // Object contains no unresolved
1831 // undef symbols.
1832 RHF_RLD_ORDER_SAFE = 0x00004000 // Symbol table is in a safe order.
1833};
1834
1835// ElfXX_VerDef structure version (GNU versioning)
1836enum {
1837 VER_DEF_NONE = 0,
1838 VER_DEF_CURRENT = 1
1839};
1840
1841// VerDef Flags (ElfXX_VerDef::vd_flags)
1842enum {
1843 VER_FLG_BASE = 0x1,
1844 VER_FLG_WEAK = 0x2,
1845 VER_FLG_INFO = 0x4
1846};
1847
1848// Special constants for the version table. (SHT_GNU_versym/.gnu.version)
1849enum {
1850 VER_NDX_LOCAL = 0, // Unversioned local symbol
1851 VER_NDX_GLOBAL = 1, // Unversioned global symbol
1852 VERSYM_VERSION = 0x7fff, // Version Index mask
1853 VERSYM_HIDDEN = 0x8000 // Hidden bit (non-default version)
1854};
1855
1856// ElfXX_VerNeed structure version (GNU versioning)
1857enum {
1858 VER_NEED_NONE = 0,
1859 VER_NEED_CURRENT = 1
1860};
1861
David Srbecky533c2072015-04-22 12:20:22 +01001862struct ElfTypes32 {
1863 typedef Elf32_Addr Addr;
1864 typedef Elf32_Off Off;
1865 typedef Elf32_Half Half;
1866 typedef Elf32_Word Word;
1867 typedef Elf32_Sword Sword;
1868 typedef Elf32_Ehdr Ehdr;
1869 typedef Elf32_Shdr Shdr;
1870 typedef Elf32_Sym Sym;
1871 typedef Elf32_Rel Rel;
1872 typedef Elf32_Rela Rela;
1873 typedef Elf32_Phdr Phdr;
1874 typedef Elf32_Dyn Dyn;
1875};
1876
1877struct ElfTypes64 {
1878 typedef Elf64_Addr Addr;
1879 typedef Elf64_Off Off;
1880 typedef Elf64_Half Half;
1881 typedef Elf64_Word Word;
1882 typedef Elf64_Sword Sword;
1883 typedef Elf64_Xword Xword;
1884 typedef Elf64_Sxword Sxword;
1885 typedef Elf64_Ehdr Ehdr;
1886 typedef Elf64_Shdr Shdr;
1887 typedef Elf64_Sym Sym;
1888 typedef Elf64_Rel Rel;
1889 typedef Elf64_Rela Rela;
1890 typedef Elf64_Phdr Phdr;
1891 typedef Elf64_Dyn Dyn;
1892};
1893
Brian Carlstrome130ee62014-07-01 23:54:20 -07001894// BEGIN android-changed
1895#endif // ART_RUNTIME_ELF_H_
1896// END android-changed