sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1 | |
| 2 | /*--------------------------------------------------------------------*/ |
| 3 | /*--- A header file defining structures and constants which are ---*/ |
| 4 | /*--- important at the kernel boundary for this platform. ---*/ |
| 5 | /*--- vg_kerneliface.h ---*/ |
| 6 | /*--------------------------------------------------------------------*/ |
| 7 | |
| 8 | /* |
njn | c953984 | 2002-10-02 13:26:35 +0000 | [diff] [blame] | 9 | This file is part of Valgrind, an extensible x86 protected-mode |
| 10 | emulator for monitoring program execution on x86-Unixes. |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 11 | |
njn | 0e1b514 | 2003-04-15 14:58:06 +0000 | [diff] [blame] | 12 | Copyright (C) 2000-2003 Julian Seward |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 13 | jseward@acm.org |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 14 | |
| 15 | This program is free software; you can redistribute it and/or |
| 16 | modify it under the terms of the GNU General Public License as |
| 17 | published by the Free Software Foundation; either version 2 of the |
| 18 | License, or (at your option) any later version. |
| 19 | |
| 20 | This program is distributed in the hope that it will be useful, but |
| 21 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 22 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 23 | General Public License for more details. |
| 24 | |
| 25 | You should have received a copy of the GNU General Public License |
| 26 | along with this program; if not, write to the Free Software |
| 27 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 28 | 02111-1307, USA. |
| 29 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 30 | The GNU General Public License is contained in the file COPYING. |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 31 | */ |
| 32 | |
| 33 | #ifndef __VG_KERNELIFACE_H |
| 34 | #define __VG_KERNELIFACE_H |
| 35 | |
| 36 | /* This file is ONLY to be included into vg_include.h. Do not include |
| 37 | it directly into valgrind source .c files. This file defines types |
| 38 | and constants for the kernel interface, and to make that clear |
| 39 | everything is prefixed VKI. */ |
| 40 | |
| 41 | /*--- All the following stuff is correct for Linux kernels 2.2.X and |
| 42 | 2.4.X. |
| 43 | ---*/ |
| 44 | |
| 45 | /* Should really get this from an include file somewhere. */ |
| 46 | #define VKI_BYTES_PER_PAGE_BITS 12 |
| 47 | #define VKI_BYTES_PER_PAGE (1 << VKI_BYTES_PER_PAGE_BITS) |
| 48 | |
| 49 | #define VKI_BYTES_PER_WORD 4 |
| 50 | #define VKI_WORDS_PER_PAGE (VKI_BYTES_PER_PAGE / VKI_BYTES_PER_WORD) |
| 51 | |
| 52 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 53 | /* An implementation of signal sets. These are the same as the sigset |
| 54 | implementations in the relevant Linux kernels. Note carefully that |
| 55 | this has nothing to do with glibc's signal sets. We work entirely |
| 56 | at the kernel boundary, so the libc stuff is invisible and |
| 57 | irrelevant. */ |
| 58 | |
| 59 | /* The following is copied from |
| 60 | /usr/src/linux-2.4.9-13/include/asm-i386/signal.h */ |
| 61 | #define VKI_KNSIG 64 /* true for linux 2.2.X and 2.4.X */ |
| 62 | #define VKI_KNSIG_BPW 32 /* since we're using UInts */ |
| 63 | #define VKI_KNSIG_WORDS (VKI_KNSIG / VKI_KNSIG_BPW) |
| 64 | |
| 65 | typedef |
| 66 | struct { |
| 67 | UInt ws[VKI_KNSIG_WORDS]; |
| 68 | } |
| 69 | vki_ksigset_t; |
| 70 | |
sewardj | b48e500 | 2002-05-13 00:16:03 +0000 | [diff] [blame] | 71 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 72 | typedef |
| 73 | struct { |
| 74 | void* ksa_handler; |
| 75 | unsigned long ksa_flags; |
| 76 | void (*ksa_restorer)(void); |
| 77 | vki_ksigset_t ksa_mask; |
| 78 | } |
| 79 | vki_ksigaction; |
| 80 | |
| 81 | typedef |
| 82 | struct { |
| 83 | void* ss_sp; |
| 84 | Int ss_flags; |
| 85 | UInt ss_size; |
| 86 | } |
| 87 | vki_kstack_t; |
| 88 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 89 | #define SI_MAX_SIZE 128 |
| 90 | #define SI_PAD_SIZE ((SI_MAX_SIZE/sizeof(int)) - 3) |
| 91 | |
| 92 | union vki_sigval { |
| 93 | Int sival_int; |
| 94 | void *sival_ptr; |
| 95 | }; |
| 96 | |
| 97 | typedef |
| 98 | struct { |
| 99 | Int si_signo; |
| 100 | Int si_errno; |
| 101 | Int si_code; |
| 102 | |
| 103 | union { |
| 104 | Int _pad[SI_PAD_SIZE]; |
| 105 | |
| 106 | /* kill() */ |
| 107 | struct { |
| 108 | Int _pid; /* sender's pid */ |
| 109 | Short _uid; /* sender's uid */ |
| 110 | } _kill; |
| 111 | |
| 112 | /* POSIX.1b timers */ |
| 113 | struct { |
| 114 | UInt _timer1; |
| 115 | UInt _timer2; |
| 116 | } _timer; |
| 117 | |
| 118 | /* POSIX.1b signals */ |
| 119 | struct { |
| 120 | Int _pid; /* sender's pid */ |
| 121 | UShort _uid; /* sender's uid */ |
| 122 | union vki_sigval _sigval; |
| 123 | } _rt; |
| 124 | |
| 125 | /* SIGCHLD */ |
| 126 | struct { |
| 127 | Int _pid; /* which child */ |
| 128 | UShort _uid; /* sender's uid */ |
| 129 | Int _status; /* exit code */ |
| 130 | Int _utime; |
| 131 | Int _stime; |
| 132 | } _sigchld; |
| 133 | |
| 134 | /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */ |
| 135 | struct { |
| 136 | void *_addr; /* faulting insn/memory ref. */ |
| 137 | } _sigfault; |
| 138 | |
| 139 | /* SIGPOLL */ |
| 140 | struct { |
| 141 | Int _band; /* POLL_IN, POLL_OUT, POLL_MSG */ |
| 142 | Int _fd; |
| 143 | } _sigpoll; |
| 144 | } _sifields; |
| 145 | } vki_ksiginfo_t; |
| 146 | |
| 147 | /* linux-2.6/include/asm-generic/siginfo.h */ |
| 148 | |
| 149 | #define VKI_SI_USER 0 |
| 150 | #define VKI_SI_QUEUE -1 |
| 151 | #define VKI_SI_TKILL -6 |
| 152 | |
| 153 | struct vki_fpreg { |
| 154 | UShort significand[4]; |
| 155 | UShort exponent; |
| 156 | }; |
| 157 | |
| 158 | struct vki_fpxreg { |
| 159 | UShort significand[4]; |
| 160 | UShort exponent; |
| 161 | UShort padding[3]; |
| 162 | }; |
| 163 | |
| 164 | struct vki_xmmreg { |
| 165 | UInt element[4]; |
| 166 | }; |
| 167 | |
| 168 | struct vki_fpstate { |
| 169 | /* Regular FPU environment */ |
| 170 | unsigned long cw; |
| 171 | unsigned long sw; |
| 172 | unsigned long tag; |
| 173 | unsigned long ipoff; |
| 174 | unsigned long cssel; |
| 175 | unsigned long dataoff; |
| 176 | unsigned long datasel; |
| 177 | struct vki_fpreg _st[8]; |
| 178 | unsigned short status; |
| 179 | unsigned short magic; /* 0xffff = regular FPU data only */ |
| 180 | |
| 181 | /* FXSR FPU environment */ |
| 182 | unsigned long _fxsr_env[6]; /* FXSR FPU env is ignored */ |
| 183 | unsigned long mxcsr; |
| 184 | unsigned long reserved; |
| 185 | struct vki_fpxreg _fxsr_st[8]; /* FXSR FPU reg data is ignored */ |
| 186 | struct vki_xmmreg _xmm[8]; |
| 187 | unsigned long padding[56]; |
| 188 | }; |
| 189 | |
| 190 | #define X86_FXSR_MAGIC 0x0000 |
| 191 | |
| 192 | struct vki_sigcontext { |
| 193 | UShort gs, __gsh; |
| 194 | UShort fs, __fsh; |
| 195 | UShort es, __esh; |
| 196 | UShort ds, __dsh; |
| 197 | UInt edi; |
| 198 | UInt esi; |
| 199 | UInt ebp; |
| 200 | UInt esp; |
| 201 | UInt ebx; |
| 202 | UInt edx; |
| 203 | UInt ecx; |
| 204 | UInt eax; |
| 205 | UInt trapno; |
| 206 | UInt err; |
| 207 | UInt eip; |
| 208 | UShort cs, __csh; |
| 209 | UInt eflags; |
| 210 | UInt esp_at_signal; |
| 211 | UShort ss, __ssh; |
| 212 | struct vki_fpstate * fpstate; |
| 213 | UInt oldmask; |
| 214 | UInt cr2; |
| 215 | }; |
| 216 | |
| 217 | struct vki_ucontext { |
| 218 | UInt uc_flags; |
| 219 | struct vki_ucontext *uc_link; |
| 220 | vki_kstack_t uc_stack; |
| 221 | struct vki_sigcontext uc_mcontext; |
| 222 | vki_ksigset_t uc_sigmask; /* mask last for extensibility */ |
| 223 | }; |
| 224 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 225 | |
sewardj | 2342c97 | 2002-05-22 23:34:20 +0000 | [diff] [blame] | 226 | /* sigaltstack controls */ |
| 227 | #define VKI_SS_ONSTACK 1 |
| 228 | #define VKI_SS_DISABLE 2 |
| 229 | |
| 230 | #define VKI_MINSIGSTKSZ 2048 |
| 231 | #define VKI_SIGSTKSZ 8192 |
| 232 | |
sewardj | b48e500 | 2002-05-13 00:16:03 +0000 | [diff] [blame] | 233 | |
| 234 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 235 | #define VKI_SIG_BLOCK 0 /* for blocking signals */ |
| 236 | #define VKI_SIG_UNBLOCK 1 /* for unblocking signals */ |
| 237 | #define VKI_SIG_SETMASK 2 /* for setting the signal mask */ |
| 238 | |
| 239 | #define VKI_SIG_DFL ((void*)0) /* default signal handling */ |
| 240 | #define VKI_SIG_IGN ((void*)1) /* ignore signal */ |
| 241 | #define VKI_SIG_ERR ((void*)-1) /* error return from signal */ |
| 242 | |
| 243 | #define VKI_SA_ONSTACK 0x08000000 |
| 244 | #define VKI_SA_RESTART 0x10000000 |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 245 | #define VKI_SA_NOCLDSTOP 0x00000001 |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 246 | #define VKI_SA_SIGINFO 0x00000004 |
sewardj | 018f762 | 2002-05-15 21:13:39 +0000 | [diff] [blame] | 247 | #define VKI_SA_RESETHAND 0x80000000 |
| 248 | #define VKI_SA_ONESHOT VKI_SA_RESETHAND |
| 249 | #define VKI_SA_NODEFER 0x40000000 |
| 250 | #define VKI_SA_NOMASK VKI_SA_NODEFER |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 251 | #define VKI_SA_NOCLDWAIT 0x00000002 |
sewardj | 018f762 | 2002-05-15 21:13:39 +0000 | [diff] [blame] | 252 | #if 0 |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 253 | #define VKI_SA_INTERRUPT 0x20000000 /* dummy -- ignored */ |
| 254 | #define VKI_SA_RESTORER 0x04000000 |
| 255 | #endif |
| 256 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 257 | /* extra wait flags */ |
| 258 | #define VKI_WNOHANG 1 /* Don't block waiting. */ |
| 259 | #define VKI_WUNTRACED 2 /* Report status of stopped children. */ |
| 260 | #define VKI__WALL 0x40000000 /* Wait for any child. */ |
| 261 | #define VKI__WCLONE 0x80000000 /* Wait for cloned process. */ |
| 262 | |
| 263 | #define VKI_SIGHUP 1 /* Hangup (POSIX). */ |
| 264 | #define VKI_SIGINT 2 /* Interrupt (ANSI). */ |
| 265 | #define VKI_SIGQUIT 3 /* Quit (POSIX). */ |
| 266 | #define VKI_SIGILL 4 /* Illegal instruction (ANSI). */ |
| 267 | #define VKI_SIGTRAP 5 /* Trace trap (POSIX). */ |
| 268 | #define VKI_SIGABRT 6 /* Abort (ANSI). */ |
| 269 | #define VKI_SIGIOT 6 /* IOT trap (4.2 BSD). */ |
| 270 | #define VKI_SIGBUS 7 /* BUS error (4.2 BSD). */ |
| 271 | #define VKI_SIGFPE 8 /* Floating-point exception (ANSI). */ |
| 272 | #define VKI_SIGKILL 9 /* Kill, unblockable (POSIX). */ |
| 273 | #define VKI_SIGUSR1 10 /* User-defined signal 1 (POSIX). */ |
| 274 | #define VKI_SIGSEGV 11 /* Segmentation violation (ANSI). */ |
| 275 | #define VKI_SIGUSR2 12 /* User-defined signal 2 (POSIX). */ |
| 276 | #define VKI_SIGPIPE 13 /* Broken pipe (POSIX). */ |
| 277 | #define VKI_SIGALRM 14 /* Alarm clock (POSIX). */ |
| 278 | #define VKI_SIGTERM 15 /* Termination (ANSI). */ |
| 279 | #define VKI_SIGSTKFLT 16 /* Stack fault. */ |
| 280 | #define VKI_SIGCLD SIGCHLD /* Same as SIGCHLD (System V). */ |
| 281 | #define VKI_SIGCHLD 17 /* Child status has changed (POSIX). */ |
| 282 | #define VKI_SIGCONT 18 /* Continue (POSIX). */ |
| 283 | #define VKI_SIGSTOP 19 /* Stop, unblockable (POSIX). */ |
| 284 | #define VKI_SIGTSTP 20 /* Keyboard stop (POSIX). */ |
| 285 | #define VKI_SIGTTIN 21 /* Background read from tty (POSIX). */ |
| 286 | #define VKI_SIGTTOU 22 /* Background write to tty (POSIX). */ |
| 287 | #define VKI_SIGURG 23 /* Urgent condition on socket (4.2 BSD). */ |
| 288 | #define VKI_SIGXCPU 24 /* CPU limit exceeded (4.2 BSD). */ |
| 289 | #define VKI_SIGXFSZ 25 /* File size limit exceeded (4.2 BSD). */ |
| 290 | #define VKI_SIGVTALRM 26 /* Virtual alarm clock (4.2 BSD). */ |
| 291 | #define VKI_SIGPROF 27 /* Profiling alarm clock (4.2 BSD). */ |
| 292 | #define VKI_SIGWINCH 28 /* Window size change (4.3 BSD, Sun). */ |
| 293 | #define VKI_SIGPOLL SIGIO /* Pollable event occurred (System V). */ |
| 294 | #define VKI_SIGIO 29 /* I/O now possible (4.2 BSD). */ |
| 295 | #define VKI_SIGPWR 30 /* Power failure restart (System V). */ |
| 296 | #define VKI_SIGSYS 31 /* Bad system call. */ |
| 297 | #define VKI_SIGUNUSED 31 |
| 298 | |
| 299 | #define VKI_SIGRTMIN 32 |
| 300 | #define VKI_SIGRTMAX 63 |
| 301 | |
| 302 | #define VKI_SIGVGINT (VKI_SIGRTMIN+0) /* signal for internal use - interrupt */ |
| 303 | #define VKI_SIGVGKILL (VKI_SIGRTMIN+1) /* signal for internal use - kill */ |
| 304 | #define VKI_SIGRTUSERMIN (VKI_SIGRTMIN+2) /* first user-usable RT signal */ |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 305 | |
sewardj | 64039bb | 2002-06-03 00:58:18 +0000 | [diff] [blame] | 306 | /* The following are copied from include/asm-i386/mman.h .*/ |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 307 | |
| 308 | #define VKI_PROT_READ 0x1 /* Page can be read. */ |
| 309 | #define VKI_PROT_WRITE 0x2 /* Page can be written. */ |
| 310 | #define VKI_PROT_EXEC 0x4 /* Page can be executed. */ |
| 311 | #define VKI_MAP_ANONYMOUS 0x20 /* Don't use a file. */ |
| 312 | #define VKI_MAP_PRIVATE 0x02 /* Changes are private. */ |
sewardj | 64039bb | 2002-06-03 00:58:18 +0000 | [diff] [blame] | 313 | #define VKI_MAP_FIXED 0x10 /* Interpret addr exactly */ |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 314 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 315 | /* Copied from linux-2.4.19/include/asm-i386/fcntl.h */ |
| 316 | |
sewardj | f912dfc | 2002-11-13 21:51:10 +0000 | [diff] [blame] | 317 | #define VKI_O_ACCMODE 0003 |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 318 | #define VKI_O_RDONLY 00 |
| 319 | #define VKI_O_WRONLY 01 |
| 320 | #define VKI_O_RDWR 02 |
| 321 | #define VKI_O_CREAT 0100 /* not fcntl */ |
| 322 | #define VKI_O_EXCL 0200 /* not fcntl */ |
| 323 | #define VKI_O_TRUNC 01000 /* not fcntl */ |
| 324 | #define VKI_O_APPEND 02000 |
| 325 | #define VKI_O_NONBLOCK 04000 |
| 326 | #define VKI_O_SYNC 010000 |
| 327 | #define VKI_FASYNC 020000 /* fcntl, for BSD compatibility */ |
| 328 | #define VKI_O_DIRECT 040000 /* direct disk access hint */ |
| 329 | #define VKI_O_LARGEFILE 0100000 |
| 330 | #define VKI_O_DIRECTORY 0200000 /* must be a directory */ |
| 331 | #define VKI_O_NOFOLLOW 0400000 /* don't follow links */ |
| 332 | |
| 333 | /* Copied from linux-2.4.19/include/linux/stat.h */ |
| 334 | |
| 335 | #define VKI_S_IRWXU 00700 |
| 336 | #define VKI_S_IRUSR 00400 |
| 337 | #define VKI_S_IWUSR 00200 |
| 338 | #define VKI_S_IXUSR 00100 |
| 339 | |
| 340 | #define VKI_S_IRWXG 00070 |
| 341 | #define VKI_S_IRGRP 00040 |
| 342 | #define VKI_S_IWGRP 00020 |
| 343 | #define VKI_S_IXGRP 00010 |
| 344 | |
| 345 | #define VKI_S_IRWXO 00007 |
| 346 | #define VKI_S_IROTH 00004 |
| 347 | #define VKI_S_IWOTH 00002 |
| 348 | #define VKI_S_IXOTH 00001 |
| 349 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 350 | |
sewardj | 0ca2a6b | 2002-03-29 14:02:34 +0000 | [diff] [blame] | 351 | /* Copied from /usr/src/linux-2.4.9-13/include/asm/errno.h */ |
| 352 | |
sewardj | 2342c97 | 2002-05-22 23:34:20 +0000 | [diff] [blame] | 353 | #define VKI_EPERM 1 /* Operation not permitted */ |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 354 | #define VKI_ENOENT 2 /* No such file or directory */ |
sewardj | 018f762 | 2002-05-15 21:13:39 +0000 | [diff] [blame] | 355 | #define VKI_ESRCH 3 /* No such process */ |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 356 | #define VKI_EINTR 4 /* Interrupted system call */ |
| 357 | #define VKI_EBADF 9 /* Bad file number */ |
| 358 | #define VKI_ENOMEM 12 /* Out of memory */ |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 359 | #define VKI_EWOULDBLOCK VKI_EAGAIN /* Operation would block */ |
| 360 | #define VKI_EAGAIN 11 /* Try again */ |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 361 | #define VKI_EFAULT 14 /* Bad address */ |
| 362 | #define VKI_EINVAL 22 /* Invalid argument */ |
| 363 | #define VKI_EMFILE 24 /* Too many open files */ |
| 364 | #define VKI_ENOSYS 38 /* Function not implemented */ |
| 365 | |
| 366 | #define VKI_ERESTARTSYS 512 |
| 367 | #define VKI_ERESTARTNOINTR 513 |
| 368 | #define VKI_ERESTARTNOHAND 514 |
sewardj | 0ca2a6b | 2002-03-29 14:02:34 +0000 | [diff] [blame] | 369 | |
| 370 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 371 | /* Gawd ... hack ... */ |
| 372 | |
| 373 | typedef struct vki__user_cap_header_struct { |
| 374 | UInt version; |
| 375 | int pid; |
| 376 | } vki_cap_user_header_t; |
| 377 | |
| 378 | typedef struct vki__user_cap_data_struct { |
| 379 | UInt effective; |
| 380 | UInt permitted; |
| 381 | UInt inheritable; |
| 382 | } vki_cap_user_data_t; |
| 383 | |
| 384 | |
| 385 | /* "Byrial Jensen" <byrial@image.dk> says: |
| 386 | [various] ioctls take a pointer to a "struct |
| 387 | termios" but this is another and shorter "struct |
| 388 | termios" than the one defined in <termios.h> and used |
| 389 | by tcgetattr(3) and tcsetattr(3) and other library |
| 390 | functions. GNU libc translate between its library |
| 391 | termios and the kernel termios. |
| 392 | */ |
| 393 | |
| 394 | #define VKI_SIZEOF_STRUCT_TERMIOS 36 |
| 395 | |
sewardj | 2f0de32 | 2002-03-24 10:17:25 +0000 | [diff] [blame] | 396 | /* Adam Gundy <arg@cyberscience.com>, 20 Mar 2002, says: */ |
| 397 | #define VKI_SIZEOF_STRUCT_TERMIO 17 |
| 398 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 399 | |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 400 | /* File descriptor sets, for doing select(). Copied from |
| 401 | /usr/src/linux-2.4.9-31/include/linux/posix_types.h |
| 402 | */ |
| 403 | /* |
| 404 | * This allows for 1024 file descriptors: if NR_OPEN is ever grown |
| 405 | * beyond that you'll have to change this too. But 1024 fd's seem to be |
| 406 | * enough even for such "real" unices like OSF/1, so hopefully this is |
| 407 | * one limit that doesn't have to be changed [again]. |
| 408 | * |
| 409 | * Note that POSIX wants the FD_CLEAR(fd,fdsetp) defines to be in |
| 410 | * <sys/time.h> (and thus <linux/time.h>) - but this is a more logical |
| 411 | * place for them. Solved by having dummy defines in <sys/time.h>. |
| 412 | */ |
| 413 | |
| 414 | /* |
| 415 | * Those macros may have been defined in <gnu/types.h>. But we always |
| 416 | * use the ones here. |
| 417 | */ |
| 418 | #undef VKI_NFDBITS |
| 419 | #define VKI_NFDBITS (8 * sizeof(unsigned long)) |
| 420 | |
| 421 | #undef VKI_FD_SETSIZE |
| 422 | #define VKI_FD_SETSIZE 1024 |
| 423 | |
| 424 | #undef VKI_FDSET_LONGS |
| 425 | #define VKI_FDSET_LONGS (VKI_FD_SETSIZE/VKI_NFDBITS) |
| 426 | |
| 427 | #undef VKI_FDELT |
| 428 | #define VKI_FDELT(d) ((d) / VKI_NFDBITS) |
| 429 | |
| 430 | #undef VKI_FDMASK |
| 431 | #define VKI_FDMASK(d) (1UL << ((d) % VKI_NFDBITS)) |
| 432 | |
| 433 | typedef struct { |
| 434 | unsigned long vki_fds_bits [VKI_FDSET_LONGS]; |
| 435 | } vki_fd_set; |
| 436 | |
| 437 | |
| 438 | /* Gawd ... |
| 439 | Copied from /usr/src/linux-2.4.9-31/./include/asm-i386/posix_types.h |
| 440 | */ |
| 441 | #undef VKI_FD_SET |
| 442 | #define VKI_FD_SET(fd,fdsetp) \ |
| 443 | __asm__ __volatile__("btsl %1,%0": \ |
| 444 | "=m" (*(vki_fd_set *) (fdsetp)):"r" ((int) (fd))) |
| 445 | |
| 446 | #undef VKI_FD_CLR |
| 447 | #define VKI_FD_CLR(fd,fdsetp) \ |
| 448 | __asm__ __volatile__("btrl %1,%0": \ |
| 449 | "=m" (*(vki_fd_set *) (fdsetp)):"r" ((int) (fd))) |
| 450 | |
| 451 | #undef VKI_FD_ISSET |
| 452 | #define VKI_FD_ISSET(fd,fdsetp) (__extension__ ({ \ |
| 453 | unsigned char __result; \ |
| 454 | __asm__ __volatile__("btl %1,%2 ; setb %0" \ |
| 455 | :"=q" (__result) :"r" ((int) (fd)), \ |
| 456 | "m" (*(vki_fd_set *) (fdsetp))); \ |
| 457 | __result; })) |
| 458 | |
| 459 | #undef VKI_FD_ZERO |
| 460 | #define VKI_FD_ZERO(fdsetp) \ |
| 461 | do { \ |
| 462 | int __d0, __d1; \ |
| 463 | __asm__ __volatile__("cld ; rep ; stosl" \ |
| 464 | :"=m" (*(vki_fd_set *) (fdsetp)), \ |
| 465 | "=&c" (__d0), "=&D" (__d1) \ |
| 466 | :"a" (0), "1" (VKI_FDSET_LONGS), \ |
| 467 | "2" ((vki_fd_set *) (fdsetp)) : "memory"); \ |
| 468 | } while (0) |
| 469 | |
| 470 | |
| 471 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 472 | struct vki_pollfd { |
| 473 | Int fd; |
| 474 | Short events; |
| 475 | Short revents; |
| 476 | }; |
| 477 | |
| 478 | /* asm/poll.h */ |
| 479 | #define VKI_POLLIN 0x0001 |
| 480 | #define VKI_POLLPRI 0x0002 |
| 481 | #define VKI_POLLOUT 0x0004 |
| 482 | #define VKI_POLLERR 0x0008 |
| 483 | #define VKI_POLLHUP 0x0010 |
| 484 | #define VKI_POLLNVAL 0x0020 |
| 485 | |
| 486 | |
| 487 | |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 488 | /* |
| 489 | ./include/asm-i386/posix_types.h:typedef long __kernel_suseconds_t; |
| 490 | ./include/linux/types.h:typedef __kernel_suseconds_t suseconds_t; |
| 491 | |
| 492 | ./include/asm-i386/posix_types.h:typedef long __kernel_time_t; |
| 493 | ./include/linux/types.h:typedef __kernel_time_t time_t; |
| 494 | */ |
| 495 | |
| 496 | struct vki_timeval { |
| 497 | /* time_t */ long tv_sec; /* seconds */ |
| 498 | /* suseconds_t */ long tv_usec; /* microseconds */ |
| 499 | }; |
| 500 | |
| 501 | |
| 502 | |
| 503 | /* For fcntl on fds .. |
| 504 | from ./include/asm-i386/fcntl.h */ |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 505 | #define VKI_F_DUPFD 0 /* dup */ |
| 506 | #define VKI_F_GETFD 1 /* get close_on_exec */ |
| 507 | #define VKI_F_SETFD 2 /* set/clear close_on_exec */ |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 508 | #define VKI_F_GETFL 3 /* get file->f_flags */ |
| 509 | #define VKI_F_SETFL 4 /* set file->f_flags */ |
| 510 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 511 | /* for F_[GET|SET]FL */ |
| 512 | #define VKI_FD_CLOEXEC 1 /* actually anything with low bit set goes */ |
| 513 | |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 514 | #define VKI_O_NONBLOCK 04000 |
| 515 | |
| 516 | /* For nanosleep ... |
| 517 | from ./include/linux/time.h */ |
| 518 | struct vki_timespec { |
| 519 | /* time_t */ long tv_sec; /* seconds */ |
| 520 | long tv_nsec; /* nanoseconds */ |
| 521 | }; |
| 522 | |
| 523 | |
sewardj | b358620 | 2002-05-09 17:38:13 +0000 | [diff] [blame] | 524 | /* STAT stuff |
| 525 | from /usr/src/linux-2.4.9-31/include/asm-i386/stat.h */ |
| 526 | struct vki_stat { |
| 527 | unsigned short st_dev; |
| 528 | unsigned short __pad1; |
| 529 | unsigned long st_ino; |
| 530 | unsigned short st_mode; |
| 531 | unsigned short st_nlink; |
| 532 | unsigned short st_uid; |
| 533 | unsigned short st_gid; |
| 534 | unsigned short st_rdev; |
| 535 | unsigned short __pad2; |
| 536 | unsigned long st_size; |
| 537 | unsigned long st_blksize; |
| 538 | unsigned long st_blocks; |
| 539 | unsigned long st_atime; |
| 540 | unsigned long __unused1; |
| 541 | unsigned long st_mtime; |
| 542 | unsigned long __unused2; |
| 543 | unsigned long st_ctime; |
| 544 | unsigned long __unused3; |
| 545 | unsigned long __unused4; |
| 546 | unsigned long __unused5; |
| 547 | }; |
| 548 | |
| 549 | |
sewardj | b48e500 | 2002-05-13 00:16:03 +0000 | [diff] [blame] | 550 | /* To do with the ELF frame constructed by the kernel on a process' |
| 551 | stack just before it transfers control to the program's interpreter |
| 552 | (to use the ELF parlance). |
sewardj | a1679dd | 2002-05-10 22:31:40 +0000 | [diff] [blame] | 553 | Constants from /usr/src/linux-2.4.9-31/include/linux/elf.h |
| 554 | Logic from /usr/src/linux-2.4.9-31/fs/binfmt_elf.c |
| 555 | and its counterpart in the 2.2.14 kernel sources |
sewardj | b48e500 | 2002-05-13 00:16:03 +0000 | [diff] [blame] | 556 | in Red Hat 6.2. */ |
sewardj | d5815ec | 2003-04-06 12:23:27 +0000 | [diff] [blame] | 557 | #define VKI_AT_SYSINFO 32 /* address of system info page */ |
sewardj | a1679dd | 2002-05-10 22:31:40 +0000 | [diff] [blame] | 558 | #define VKI_AT_CLKTCK 17 /* frequency at which times() increments */ |
| 559 | #define VKI_AT_HWCAP 16 /* arch dependent hints at CPU capabilities */ |
| 560 | #define VKI_AT_BASE 7 /* base address of interpreter */ |
| 561 | #define VKI_AT_PAGESZ 6 /* system page size */ |
| 562 | #define VKI_AT_PHNUM 5 /* number of program headers */ |
| 563 | #define VKI_AT_PHENT 4 /* size of program header entry */ |
| 564 | #define VKI_AT_PHDR 3 /* program headers for program */ |
sewardj | ce61d05 | 2002-07-25 00:49:51 +0000 | [diff] [blame] | 565 | #define VKI_AT_USER_AUX_SEGMENT 23 /* tell glibc what address segment |
| 566 | 0x3B points to. (Needed for |
| 567 | Red Hat Limbo, 7.3.92) */ |
sewardj | a1679dd | 2002-05-10 22:31:40 +0000 | [diff] [blame] | 568 | |
sewardj | a83005f | 2002-06-13 16:07:51 +0000 | [diff] [blame] | 569 | /* Including <linux/module.h> leads to loads of hassle because then we |
| 570 | need <asm/atomic.h> sometimes (RedHat 7.3) and that is a |
| 571 | kernel-only header which deliberately #errors on gcc-3.1. Mucho |
| 572 | hassle considering that we only want to know sizeof(struct module). |
| 573 | Hence ... |
| 574 | |
| 575 | #include <stdio.h> |
| 576 | #include <asm/atomic.h> |
| 577 | #include <linux/module.h> |
| 578 | |
| 579 | int main ( void ) |
| 580 | { |
| 581 | printf ("sizeof(struct module) = %d\n", sizeof(struct module) ); |
| 582 | return 0; |
| 583 | } |
| 584 | */ |
| 585 | |
| 586 | #define VKI_SIZEOF_STRUCT_MODULE 96 |
sewardj | a1679dd | 2002-05-10 22:31:40 +0000 | [diff] [blame] | 587 | |
sewardj | 92a5956 | 2002-09-30 00:53:10 +0000 | [diff] [blame] | 588 | |
| 589 | /* This is the structure passed to the modify_ldt syscall. Just so as |
| 590 | to confuse and annoy everyone, this is _not_ the same as an |
| 591 | VgLdtEntry and has to be translated into such. The logic for doing |
| 592 | so, in vg_ldt.c, is copied from the kernel sources. */ |
| 593 | /* |
| 594 | * ldt.h |
| 595 | * |
| 596 | * Definitions of structures used with the modify_ldt system call. |
| 597 | */ |
| 598 | typedef struct vki_modify_ldt_ldt_s { |
| 599 | unsigned int entry_number; |
| 600 | unsigned long base_addr; |
| 601 | unsigned int limit; |
| 602 | unsigned int seg_32bit:1; |
| 603 | unsigned int contents:2; |
| 604 | unsigned int read_exec_only:1; |
| 605 | unsigned int limit_in_pages:1; |
| 606 | unsigned int seg_not_present:1; |
| 607 | unsigned int useable:1; |
| 608 | } vki_modify_ldt_t; |
| 609 | |
| 610 | #define VKI_MODIFY_LDT_CONTENTS_DATA 0 |
| 611 | #define VKI_MODIFY_LDT_CONTENTS_STACK 1 |
| 612 | #define VKI_MODIFY_LDT_CONTENTS_CODE 2 |
| 613 | |
| 614 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 615 | /* Flags for clone() */ |
| 616 | /* linux/sched.h */ |
| 617 | #define VKI_CSIGNAL 0x000000ff /* signal mask to be sent at exit */ |
| 618 | #define VKI_CLONE_VM 0x00000100 /* set if VM shared between processes */ |
| 619 | #define VKI_CLONE_FS 0x00000200 /* set if fs info shared between processes */ |
| 620 | #define VKI_CLONE_FILES 0x00000400 /* set if open files shared between processes */ |
| 621 | #define VKI_CLONE_SIGHAND 0x00000800 /* set if signal handlers and blocked signals shared */ |
| 622 | #define VKI_CLONE_IDLETASK 0x00001000 /* set if new pid should be 0 (kernel only)*/ |
| 623 | #define VKI_CLONE_PTRACE 0x00002000 /* set if we want to let tracing continue on the child too */ |
| 624 | #define VKI_CLONE_VFORK 0x00004000 /* set if the parent wants the child to wake it up on mm_release */ |
| 625 | #define VKI_CLONE_PARENT 0x00008000 /* set if we want to have the same parent as the cloner */ |
| 626 | #define VKI_CLONE_THREAD 0x00010000 /* Same thread group? */ |
| 627 | #define VKI_CLONE_NEWNS 0x00020000 /* New namespace group? */ |
| 628 | #define VKI_CLONE_SYSVSEM 0x00040000 /* share system V SEM_UNDO semantics */ |
| 629 | #define VKI_CLONE_SETTLS 0x00080000 /* create a new TLS for the child */ |
| 630 | #define VKI_CLONE_PARENT_SETTID 0x00100000 /* set the TID in the parent */ |
| 631 | #define VKI_CLONE_CHILD_CLEARTID 0x00200000 /* clear the TID in the child */ |
| 632 | #define VKI_CLONE_DETACHED 0x00400000 /* parent wants no child-exit signal */ |
| 633 | #define VKI_CLONE_UNTRACED 0x00800000 /* set if the tracing process can't force VKI_CLONE_PTRACE on this clone */ |
| 634 | #define VKI_CLONE_CHILD_SETTID 0x01000000 /* set the TID in the child */ |
sewardj | 92a5956 | 2002-09-30 00:53:10 +0000 | [diff] [blame] | 635 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 636 | #endif /* ndef __VG_KERNELIFACE_H */ |
| 637 | |
| 638 | /*--------------------------------------------------------------------*/ |
| 639 | /*--- end vg_kerneliface.h ---*/ |
| 640 | /*--------------------------------------------------------------------*/ |