vki-x86-linux.h revision 4d474d086188fd1f29fa97dbd84d8ea2e589a9b8
1 2/*--------------------------------------------------------------------*/ 3/*--- x86/Linux-specific kernel interface. vki-x86-linux.h ---*/ 4/*--------------------------------------------------------------------*/ 5 6/* 7 This file is part of Valgrind, a dynamic binary instrumentation 8 framework. 9 10 Copyright (C) 2000-2008 Julian Seward 11 jseward@acm.org 12 13 This program is free software; you can redistribute it and/or 14 modify it under the terms of the GNU General Public License as 15 published by the Free Software Foundation; either version 2 of the 16 License, or (at your option) any later version. 17 18 This program is distributed in the hope that it will be useful, but 19 WITHOUT ANY WARRANTY; without even the implied warranty of 20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 21 General Public License for more details. 22 23 You should have received a copy of the GNU General Public License 24 along with this program; if not, write to the Free Software 25 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 26 02111-1307, USA. 27 28 The GNU General Public License is contained in the file COPYING. 29*/ 30 31#ifndef __VKI_X86_LINUX_H 32#define __VKI_X86_LINUX_H 33 34// x86 is little-endian. 35#define VKI_LITTLE_ENDIAN 1 36 37//---------------------------------------------------------------------- 38// From linux-2.6.8.1/include/asm-i386/types.h 39//---------------------------------------------------------------------- 40 41typedef unsigned char __vki_u8; 42 43typedef __signed__ short __vki_s16; 44typedef unsigned short __vki_u16; 45 46typedef __signed__ int __vki_s32; 47typedef unsigned int __vki_u32; 48 49typedef __signed__ long long __vki_s64; 50typedef unsigned long long __vki_u64; 51 52typedef unsigned short vki_u16; 53 54typedef unsigned int vki_u32; 55 56//---------------------------------------------------------------------- 57// From linux-2.6.8.1/include/asm-i386/page.h 58//---------------------------------------------------------------------- 59 60/* PAGE_SHIFT determines the page size */ 61#define VKI_PAGE_SHIFT 12 62#define VKI_PAGE_SIZE (1UL << VKI_PAGE_SHIFT) 63#define VKI_MAX_PAGE_SHIFT VKI_PAGE_SHIFT 64#define VKI_MAX_PAGE_SIZE VKI_PAGE_SIZE 65 66//---------------------------------------------------------------------- 67// From linux-2.6.8.1/include/asm-i386/signal.h 68//---------------------------------------------------------------------- 69 70#define VKI_MINSIGSTKSZ 2048 71 72#define VKI_SIG_BLOCK 0 /* for blocking signals */ 73#define VKI_SIG_UNBLOCK 1 /* for unblocking signals */ 74#define VKI_SIG_SETMASK 2 /* for setting the signal mask */ 75 76/* Type of a signal handler. */ 77typedef void __vki_signalfn_t(int); 78typedef __vki_signalfn_t __user *__vki_sighandler_t; 79 80typedef void __vki_restorefn_t(void); 81typedef __vki_restorefn_t __user *__vki_sigrestore_t; 82 83#define VKI_SIG_DFL ((__vki_sighandler_t)0) /* default signal handling */ 84#define VKI_SIG_IGN ((__vki_sighandler_t)1) /* ignore signal */ 85 86#define _VKI_NSIG 64 87#define _VKI_NSIG_BPW 32 88#define _VKI_NSIG_WORDS (_VKI_NSIG / _VKI_NSIG_BPW) 89 90typedef unsigned long vki_old_sigset_t; /* at least 32 bits */ 91 92typedef struct { 93 unsigned long sig[_VKI_NSIG_WORDS]; 94} vki_sigset_t; 95 96#define VKI_SIGHUP 1 97#define VKI_SIGINT 2 98#define VKI_SIGQUIT 3 99#define VKI_SIGILL 4 100#define VKI_SIGTRAP 5 101#define VKI_SIGABRT 6 102//#define VKI_SIGIOT 6 103#define VKI_SIGBUS 7 104#define VKI_SIGFPE 8 105#define VKI_SIGKILL 9 106#define VKI_SIGUSR1 10 107#define VKI_SIGSEGV 11 108#define VKI_SIGUSR2 12 109#define VKI_SIGPIPE 13 110#define VKI_SIGALRM 14 111#define VKI_SIGTERM 15 112#define VKI_SIGSTKFLT 16 113#define VKI_SIGCHLD 17 114#define VKI_SIGCONT 18 115#define VKI_SIGSTOP 19 116#define VKI_SIGTSTP 20 117#define VKI_SIGTTIN 21 118#define VKI_SIGTTOU 22 119#define VKI_SIGURG 23 120#define VKI_SIGXCPU 24 121#define VKI_SIGXFSZ 25 122#define VKI_SIGVTALRM 26 123#define VKI_SIGPROF 27 124#define VKI_SIGWINCH 28 125#define VKI_SIGIO 29 126#define VKI_SIGPWR 30 127#define VKI_SIGSYS 31 128#define VKI_SIGUNUSED 31 129 130/* These should not be considered constants from userland. */ 131#define VKI_SIGRTMIN 32 132// [[This was (_NSIG-1) in 2.4.X... not sure if it matters.]] 133#define VKI_SIGRTMAX _VKI_NSIG 134 135#define VKI_SA_NOCLDSTOP 0x00000001u 136#define VKI_SA_NOCLDWAIT 0x00000002u 137#define VKI_SA_SIGINFO 0x00000004u 138#define VKI_SA_ONSTACK 0x08000000u 139#define VKI_SA_RESTART 0x10000000u 140#define VKI_SA_NODEFER 0x40000000u 141#define VKI_SA_RESETHAND 0x80000000u 142 143#define VKI_SA_NOMASK VKI_SA_NODEFER 144#define VKI_SA_ONESHOT VKI_SA_RESETHAND 145//#define VKI_SA_INTERRUPT 0x20000000 /* dummy -- ignored */ 146 147#define VKI_SA_RESTORER 0x04000000 148 149#define VKI_SS_ONSTACK 1 150#define VKI_SS_DISABLE 2 151 152struct vki_old_sigaction { 153 // [[Nb: a 'k' prefix is added to "sa_handler" because 154 // bits/sigaction.h (which gets dragged in somehow via signal.h) 155 // #defines it as something else. Since that is done for glibc's 156 // purposes, which we don't care about here, we use our own name.]] 157 __vki_sighandler_t ksa_handler; 158 vki_old_sigset_t sa_mask; 159 unsigned long sa_flags; 160 __vki_sigrestore_t sa_restorer; 161}; 162 163struct vki_sigaction { 164 // [[See comment about extra 'k' above]] 165 __vki_sighandler_t ksa_handler; 166 unsigned long sa_flags; 167 __vki_sigrestore_t sa_restorer; 168 vki_sigset_t sa_mask; /* mask last for extensibility */ 169}; 170 171typedef struct vki_sigaltstack { 172 void __user *ss_sp; 173 int ss_flags; 174 vki_size_t ss_size; 175} vki_stack_t; 176 177//---------------------------------------------------------------------- 178// From linux-2.6.8.1/include/asm-i386/sigcontext.h 179//---------------------------------------------------------------------- 180 181struct _vki_fpreg { 182 unsigned short significand[4]; 183 unsigned short exponent; 184}; 185 186struct _vki_fpxreg { 187 unsigned short significand[4]; 188 unsigned short exponent; 189 unsigned short padding[3]; 190}; 191 192struct _vki_xmmreg { 193 unsigned long element[4]; 194}; 195 196struct _vki_fpstate { 197 /* Regular FPU environment */ 198 unsigned long cw; 199 unsigned long sw; 200 unsigned long tag; 201 unsigned long ipoff; 202 unsigned long cssel; 203 unsigned long dataoff; 204 unsigned long datasel; 205 struct _vki_fpreg _st[8]; 206 unsigned short status; 207 unsigned short magic; /* 0xffff = regular FPU data only */ 208 209 /* FXSR FPU environment */ 210 unsigned long _fxsr_env[6]; /* FXSR FPU env is ignored */ 211 unsigned long mxcsr; 212 unsigned long reserved; 213 struct _vki_fpxreg _fxsr_st[8]; /* FXSR FPU reg data is ignored */ 214 struct _vki_xmmreg _xmm[8]; 215 unsigned long padding[56]; 216}; 217 218struct vki_sigcontext { 219 unsigned short gs, __gsh; 220 unsigned short fs, __fsh; 221 unsigned short es, __esh; 222 unsigned short ds, __dsh; 223 unsigned long edi; 224 unsigned long esi; 225 unsigned long ebp; 226 unsigned long esp; 227 unsigned long ebx; 228 unsigned long edx; 229 unsigned long ecx; 230 unsigned long eax; 231 unsigned long trapno; 232 unsigned long err; 233 unsigned long eip; 234 unsigned short cs, __csh; 235 unsigned long eflags; 236 unsigned long esp_at_signal; 237 unsigned short ss, __ssh; 238 struct _vki_fpstate __user * fpstate; 239 unsigned long oldmask; 240 unsigned long cr2; 241}; 242 243//---------------------------------------------------------------------- 244// From linux-2.6.8.1/include/asm-i386/mman.h 245//---------------------------------------------------------------------- 246 247#define VKI_PROT_NONE 0x0 /* No page permissions */ 248#define VKI_PROT_READ 0x1 /* page can be read */ 249#define VKI_PROT_WRITE 0x2 /* page can be written */ 250#define VKI_PROT_EXEC 0x4 /* page can be executed */ 251#define VKI_PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */ 252#define VKI_PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */ 253 254#define VKI_MAP_SHARED 0x01 /* Share changes */ 255#define VKI_MAP_PRIVATE 0x02 /* Changes are private */ 256//#define VKI_MAP_TYPE 0x0f /* Mask for type of mapping */ 257#define VKI_MAP_FIXED 0x10 /* Interpret addr exactly */ 258#define VKI_MAP_ANONYMOUS 0x20 /* don't use a file */ 259#define VKI_MAP_NORESERVE 0x4000 /* don't check for reservations */ 260 261//---------------------------------------------------------------------- 262// From linux-2.6.8.1/include/asm-i386/fcntl.h 263//---------------------------------------------------------------------- 264 265#define VKI_O_RDONLY 00 266#define VKI_O_WRONLY 01 267#define VKI_O_RDWR 02 268#define VKI_O_CREAT 0100 /* not fcntl */ 269#define VKI_O_EXCL 0200 /* not fcntl */ 270#define VKI_O_TRUNC 01000 /* not fcntl */ 271#define VKI_O_APPEND 02000 272#define VKI_O_NONBLOCK 04000 273#define VKI_O_LARGEFILE 0100000 274 275#define VKI_AT_FDCWD -100 276 277#define VKI_F_DUPFD 0 /* dup */ 278#define VKI_F_GETFD 1 /* get close_on_exec */ 279#define VKI_F_SETFD 2 /* set/clear close_on_exec */ 280#define VKI_F_GETFL 3 /* get file->f_flags */ 281#define VKI_F_SETFL 4 /* set file->f_flags */ 282#define VKI_F_GETLK 5 283#define VKI_F_SETLK 6 284#define VKI_F_SETLKW 7 285 286#define VKI_F_SETOWN 8 /* for sockets. */ 287#define VKI_F_GETOWN 9 /* for sockets. */ 288#define VKI_F_SETSIG 10 /* for sockets. */ 289#define VKI_F_GETSIG 11 /* for sockets. */ 290 291#define VKI_F_GETLK64 12 /* using 'struct flock64' */ 292#define VKI_F_SETLK64 13 293#define VKI_F_SETLKW64 14 294 295/* for F_[GET|SET]FL */ 296#define VKI_FD_CLOEXEC 1 /* actually anything with low bit set goes */ 297 298#define VKI_F_LINUX_SPECIFIC_BASE 1024 299 300//---------------------------------------------------------------------- 301// From linux-2.6.8.1/include/asm-i386/resource.h 302//---------------------------------------------------------------------- 303 304#define VKI_RLIMIT_DATA 2 /* max data size */ 305#define VKI_RLIMIT_STACK 3 /* max stack size */ 306#define VKI_RLIMIT_CORE 4 /* max core file size */ 307#define VKI_RLIMIT_NOFILE 7 /* max number of open files */ 308 309//---------------------------------------------------------------------- 310// From linux-2.6.8.1/include/asm-i386/socket.h 311//---------------------------------------------------------------------- 312 313#define VKI_SOL_SOCKET 1 314 315#define VKI_SO_TYPE 3 316 317//---------------------------------------------------------------------- 318// From linux-2.6.8.1/include/asm-i386/sockios.h 319//---------------------------------------------------------------------- 320 321#define VKI_SIOCSPGRP 0x8902 322#define VKI_SIOCGPGRP 0x8904 323#define VKI_SIOCGSTAMP 0x8906 /* Get stamp */ 324 325//---------------------------------------------------------------------- 326// From linux-2.6.8.1/include/asm-i386/stat.h 327//---------------------------------------------------------------------- 328 329struct vki_stat { 330 unsigned long st_dev; 331 unsigned long st_ino; 332 unsigned short st_mode; 333 unsigned short st_nlink; 334 unsigned short st_uid; 335 unsigned short st_gid; 336 unsigned long st_rdev; 337 unsigned long st_size; 338 unsigned long st_blksize; 339 unsigned long st_blocks; 340 unsigned long st_atime; 341 unsigned long st_atime_nsec; 342 unsigned long st_mtime; 343 unsigned long st_mtime_nsec; 344 unsigned long st_ctime; 345 unsigned long st_ctime_nsec; 346 unsigned long __unused4; 347 unsigned long __unused5; 348}; 349 350struct vki_stat64 { 351 unsigned long long st_dev; 352 unsigned char __pad0[4]; 353 354#define STAT64_HAS_BROKEN_ST_INO 1 355 unsigned long __st_ino; 356 357 unsigned int st_mode; 358 unsigned int st_nlink; 359 360 unsigned long st_uid; 361 unsigned long st_gid; 362 363 unsigned long long st_rdev; 364 unsigned char __pad3[4]; 365 366 long long st_size; 367 unsigned long st_blksize; 368 369 unsigned long st_blocks; /* Number 512-byte blocks allocated. */ 370 unsigned long __pad4; /* future possible st_blocks high bits */ 371 372 unsigned long st_atime; 373 unsigned long st_atime_nsec; 374 375 unsigned long st_mtime; 376 unsigned int st_mtime_nsec; 377 378 unsigned long st_ctime; 379 unsigned long st_ctime_nsec; 380 381 unsigned long long st_ino; 382}; 383 384//---------------------------------------------------------------------- 385// From linux-2.6.8.1/include/asm-i386/statfs.h 386//---------------------------------------------------------------------- 387 388// [[Nb: asm-i386/statfs.h just #include asm-generic/statfs.h directly]] 389struct vki_statfs { 390 __vki_u32 f_type; 391 __vki_u32 f_bsize; 392 __vki_u32 f_blocks; 393 __vki_u32 f_bfree; 394 __vki_u32 f_bavail; 395 __vki_u32 f_files; 396 __vki_u32 f_ffree; 397 __vki_kernel_fsid_t f_fsid; 398 __vki_u32 f_namelen; 399 __vki_u32 f_frsize; 400 __vki_u32 f_spare[5]; 401}; 402 403//---------------------------------------------------------------------- 404// From linux-2.6.8.1/include/asm-i386/termios.h 405//---------------------------------------------------------------------- 406 407struct vki_winsize { 408 unsigned short ws_row; 409 unsigned short ws_col; 410 unsigned short ws_xpixel; 411 unsigned short ws_ypixel; 412}; 413 414#define VKI_NCC 8 415struct vki_termio { 416 unsigned short c_iflag; /* input mode flags */ 417 unsigned short c_oflag; /* output mode flags */ 418 unsigned short c_cflag; /* control mode flags */ 419 unsigned short c_lflag; /* local mode flags */ 420 unsigned char c_line; /* line discipline */ 421 unsigned char c_cc[VKI_NCC]; /* control characters */ 422}; 423 424 425//---------------------------------------------------------------------- 426// From linux-2.6.8.1/include/asm-i386/termbits.h 427//---------------------------------------------------------------------- 428 429typedef unsigned char vki_cc_t; 430typedef unsigned int vki_tcflag_t; 431 432#define VKI_NCCS 19 433struct vki_termios { 434 vki_tcflag_t c_iflag; /* input mode flags */ 435 vki_tcflag_t c_oflag; /* output mode flags */ 436 vki_tcflag_t c_cflag; /* control mode flags */ 437 vki_tcflag_t c_lflag; /* local mode flags */ 438 vki_cc_t c_line; /* line discipline */ 439 vki_cc_t c_cc[VKI_NCCS]; /* control characters */ 440}; 441 442//---------------------------------------------------------------------- 443// From linux-2.6.8.1/include/asm-i386/ioctl.h 444//---------------------------------------------------------------------- 445 446#define _VKI_IOC_NRBITS 8 447#define _VKI_IOC_TYPEBITS 8 448#define _VKI_IOC_SIZEBITS 14 449#define _VKI_IOC_DIRBITS 2 450 451#define _VKI_IOC_NRMASK ((1 << _VKI_IOC_NRBITS)-1) 452#define _VKI_IOC_TYPEMASK ((1 << _VKI_IOC_TYPEBITS)-1) 453#define _VKI_IOC_SIZEMASK ((1 << _VKI_IOC_SIZEBITS)-1) 454#define _VKI_IOC_DIRMASK ((1 << _VKI_IOC_DIRBITS)-1) 455 456#define _VKI_IOC_NRSHIFT 0 457#define _VKI_IOC_TYPESHIFT (_VKI_IOC_NRSHIFT+_VKI_IOC_NRBITS) 458#define _VKI_IOC_SIZESHIFT (_VKI_IOC_TYPESHIFT+_VKI_IOC_TYPEBITS) 459#define _VKI_IOC_DIRSHIFT (_VKI_IOC_SIZESHIFT+_VKI_IOC_SIZEBITS) 460 461#define _VKI_IOC_NONE 0U 462#define _VKI_IOC_WRITE 1U 463#define _VKI_IOC_READ 2U 464 465#define _VKI_IOC(dir,type,nr,size) \ 466 (((dir) << _VKI_IOC_DIRSHIFT) | \ 467 ((type) << _VKI_IOC_TYPESHIFT) | \ 468 ((nr) << _VKI_IOC_NRSHIFT) | \ 469 ((size) << _VKI_IOC_SIZESHIFT)) 470 471/* provoke compile error for invalid uses of size argument */ 472extern unsigned int __vki_invalid_size_argument_for_IOC; 473#define _VKI_IOC_TYPECHECK(t) \ 474 ((sizeof(t) == sizeof(t[1]) && \ 475 sizeof(t) < (1 << _VKI_IOC_SIZEBITS)) ? \ 476 sizeof(t) : __vki_invalid_size_argument_for_IOC) 477 478/* used to create numbers */ 479#define _VKI_IO(type,nr) _VKI_IOC(_VKI_IOC_NONE,(type),(nr),0) 480#define _VKI_IOR(type,nr,size) _VKI_IOC(_VKI_IOC_READ,(type),(nr),(_VKI_IOC_TYPECHECK(size))) 481#define _VKI_IOW(type,nr,size) _VKI_IOC(_VKI_IOC_WRITE,(type),(nr),(_VKI_IOC_TYPECHECK(size))) 482#define _VKI_IOWR(type,nr,size) _VKI_IOC(_VKI_IOC_READ|_VKI_IOC_WRITE,(type),(nr),(_VKI_IOC_TYPECHECK(size))) 483 484/* used to decode ioctl numbers.. */ 485#define _VKI_IOC_DIR(nr) (((nr) >> _VKI_IOC_DIRSHIFT) & _VKI_IOC_DIRMASK) 486#define _VKI_IOC_TYPE(nr) (((nr) >> _VKI_IOC_TYPESHIFT) & _VKI_IOC_TYPEMASK) 487#define _VKI_IOC_NR(nr) (((nr) >> _VKI_IOC_NRSHIFT) & _VKI_IOC_NRMASK) 488#define _VKI_IOC_SIZE(nr) (((nr) >> _VKI_IOC_SIZESHIFT) & _VKI_IOC_SIZEMASK) 489 490//---------------------------------------------------------------------- 491// From linux-2.6.8.1/include/asm-i386/ioctls.h 492//---------------------------------------------------------------------- 493 494#define VKI_TCGETS 0x5401 495#define VKI_TCSETS 0x5402 /* Clashes with SNDCTL_TMR_START sound ioctl */ 496#define VKI_TCSETSW 0x5403 497#define VKI_TCSETSF 0x5404 498#define VKI_TCGETA 0x5405 499#define VKI_TCSETA 0x5406 500#define VKI_TCSETAW 0x5407 501#define VKI_TCSETAF 0x5408 502#define VKI_TCSBRK 0x5409 503#define VKI_TCXONC 0x540A 504#define VKI_TCFLSH 0x540B 505#define VKI_TIOCSCTTY 0x540E 506#define VKI_TIOCGPGRP 0x540F 507#define VKI_TIOCSPGRP 0x5410 508#define VKI_TIOCOUTQ 0x5411 509#define VKI_TIOCGWINSZ 0x5413 510#define VKI_TIOCSWINSZ 0x5414 511#define VKI_TIOCMGET 0x5415 512#define VKI_TIOCMBIS 0x5416 513#define VKI_TIOCMBIC 0x5417 514#define VKI_TIOCMSET 0x5418 515#define VKI_FIONREAD 0x541B 516#define VKI_TIOCLINUX 0x541C 517#define VKI_FIONBIO 0x5421 518#define VKI_TCSBRKP 0x5425 /* Needed for POSIX tcsendbreak() */ 519#define VKI_TIOCGPTN _VKI_IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ 520#define VKI_TIOCSPTLCK _VKI_IOW('T',0x31, int) /* Lock/unlock Pty */ 521 522#define VKI_FIOASYNC 0x5452 523#define VKI_TIOCSERGETLSR 0x5459 /* Get line status register */ 524 525#define VKI_TIOCGICOUNT 0x545D /* read serial port inline interrupt counts */ 526 527//---------------------------------------------------------------------- 528// From linux-2.6.8.1/include/asm-i386/poll.h 529//---------------------------------------------------------------------- 530 531/* These are specified by iBCS2 */ 532#define VKI_POLLIN 0x0001 533 534struct vki_pollfd { 535 int fd; 536 short events; 537 short revents; 538}; 539 540//---------------------------------------------------------------------- 541// From linux-2.6.8.1/include/asm-i386/user.h 542//---------------------------------------------------------------------- 543 544struct vki_user_i387_struct { 545 long cwd; 546 long swd; 547 long twd; 548 long fip; 549 long fcs; 550 long foo; 551 long fos; 552 long st_space[20]; /* 8*10 bytes for each FP-reg = 80 bytes */ 553}; 554 555struct vki_user_fxsr_struct { 556 unsigned short cwd; 557 unsigned short swd; 558 unsigned short twd; 559 unsigned short fop; 560 long fip; 561 long fcs; 562 long foo; 563 long fos; 564 long mxcsr; 565 long reserved; 566 long st_space[32]; /* 8*16 bytes for each FP-reg = 128 bytes */ 567 long xmm_space[32]; /* 8*16 bytes for each XMM-reg = 128 bytes */ 568 long padding[56]; 569}; 570 571/* 572 * This is the old layout of "struct pt_regs", and 573 * is still the layout used by user mode (the new 574 * pt_regs doesn't have all registers as the kernel 575 * doesn't use the extra segment registers) 576 */ 577struct vki_user_regs_struct { 578 long ebx, ecx, edx, esi, edi, ebp, eax; 579 unsigned short ds, __ds, es, __es; 580 unsigned short fs, __fs, gs, __gs; 581 long orig_eax, eip; 582 unsigned short cs, __cs; 583 long eflags, esp; 584 unsigned short ss, __ss; 585}; 586 587//---------------------------------------------------------------------- 588// From linux-2.6.8.1/include/asm-i386/elf.h 589//---------------------------------------------------------------------- 590 591typedef unsigned long vki_elf_greg_t; 592 593#define VKI_ELF_NGREG (sizeof (struct vki_user_regs_struct) / sizeof(vki_elf_greg_t)) 594typedef vki_elf_greg_t vki_elf_gregset_t[VKI_ELF_NGREG]; 595 596typedef struct vki_user_i387_struct vki_elf_fpregset_t; 597typedef struct vki_user_fxsr_struct vki_elf_fpxregset_t; 598 599#define VKI_AT_SYSINFO 32 600 601//---------------------------------------------------------------------- 602// From linux-2.6.8.1/include/asm-i386/ucontext.h 603//---------------------------------------------------------------------- 604 605struct vki_ucontext { 606 unsigned long uc_flags; 607 struct vki_ucontext *uc_link; 608 vki_stack_t uc_stack; 609 struct vki_sigcontext uc_mcontext; 610 vki_sigset_t uc_sigmask; /* mask last for extensibility */ 611}; 612 613//---------------------------------------------------------------------- 614// From linux-2.6.8.1/include/asm-i386/segment.h 615//---------------------------------------------------------------------- 616 617#define VKI_GDT_ENTRY_TLS_ENTRIES 3 618#define VKI_GDT_ENTRY_TLS_MIN 6 619#define VKI_GDT_ENTRY_TLS_MAX (VKI_GDT_ENTRY_TLS_MIN + VKI_GDT_ENTRY_TLS_ENTRIES - 1) 620 621//---------------------------------------------------------------------- 622// From linux-2.6.8.1/include/asm-i386/ldt.h 623//---------------------------------------------------------------------- 624 625/* [[Nb: This is the structure passed to the modify_ldt syscall. Just so as 626 to confuse and annoy everyone, this is _not_ the same as an 627 VgLdtEntry and has to be translated into such. The logic for doing 628 so, in vg_ldt.c, is copied from the kernel sources.]] */ 629struct vki_user_desc { 630 unsigned int entry_number; 631 unsigned long base_addr; 632 unsigned int limit; 633 unsigned int seg_32bit:1; 634 unsigned int contents:2; 635 unsigned int read_exec_only:1; 636 unsigned int limit_in_pages:1; 637 unsigned int seg_not_present:1; 638 unsigned int useable:1; 639 // [[Nb: this field is not in the kernel sources, but it has always 640 // been in the Valgrind sources so I will keep it there in case it's 641 // important... this is an x86-defined data structure so who 642 // knows; maybe it's important to set this field to zero at some 643 // point. --njn]] 644 unsigned int reserved:25; 645}; 646 647// [[Nb: for our convenience within Valgrind, use a more specific name]] 648typedef struct vki_user_desc vki_modify_ldt_t; 649 650//---------------------------------------------------------------------- 651// From linux-2.6.8.1/include/asm-i386/ipcbuf.h 652//---------------------------------------------------------------------- 653 654struct vki_ipc64_perm 655{ 656 __vki_kernel_key_t key; 657 __vki_kernel_uid32_t uid; 658 __vki_kernel_gid32_t gid; 659 __vki_kernel_uid32_t cuid; 660 __vki_kernel_gid32_t cgid; 661 __vki_kernel_mode_t mode; 662 unsigned short __pad1; 663 unsigned short seq; 664 unsigned short __pad2; 665 unsigned long __unused1; 666 unsigned long __unused2; 667}; 668 669//---------------------------------------------------------------------- 670// From linux-2.6.8.1/include/asm-i386/sembuf.h 671//---------------------------------------------------------------------- 672 673struct vki_semid64_ds { 674 struct vki_ipc64_perm sem_perm; /* permissions .. see ipc.h */ 675 __vki_kernel_time_t sem_otime; /* last semop time */ 676 unsigned long __unused1; 677 __vki_kernel_time_t sem_ctime; /* last change time */ 678 unsigned long __unused2; 679 unsigned long sem_nsems; /* no. of semaphores in array */ 680 unsigned long __unused3; 681 unsigned long __unused4; 682}; 683 684//---------------------------------------------------------------------- 685// From linux-2.6.8.1/include/asm-i386/msgbuf.h 686//---------------------------------------------------------------------- 687 688struct vki_msqid64_ds { 689 struct vki_ipc64_perm msg_perm; 690 __vki_kernel_time_t msg_stime; /* last msgsnd time */ 691 unsigned long __unused1; 692 __vki_kernel_time_t msg_rtime; /* last msgrcv time */ 693 unsigned long __unused2; 694 __vki_kernel_time_t msg_ctime; /* last change time */ 695 unsigned long __unused3; 696 unsigned long msg_cbytes; /* current number of bytes on queue */ 697 unsigned long msg_qnum; /* number of messages in queue */ 698 unsigned long msg_qbytes; /* max number of bytes on queue */ 699 __vki_kernel_pid_t msg_lspid; /* pid of last msgsnd */ 700 __vki_kernel_pid_t msg_lrpid; /* last receive pid */ 701 unsigned long __unused4; 702 unsigned long __unused5; 703}; 704 705//---------------------------------------------------------------------- 706// From linux-2.6.8.1/include/asm-i386/ipc.h 707//---------------------------------------------------------------------- 708 709struct vki_ipc_kludge { 710 struct vki_msgbuf __user *msgp; 711 long msgtyp; 712}; 713 714#define VKI_SEMOP 1 715#define VKI_SEMGET 2 716#define VKI_SEMCTL 3 717#define VKI_SEMTIMEDOP 4 718#define VKI_MSGSND 11 719#define VKI_MSGRCV 12 720#define VKI_MSGGET 13 721#define VKI_MSGCTL 14 722#define VKI_SHMAT 21 723#define VKI_SHMDT 22 724#define VKI_SHMGET 23 725#define VKI_SHMCTL 24 726 727 728//---------------------------------------------------------------------- 729// From linux-2.6.8.1/include/asm-i386/shmbuf.h 730//---------------------------------------------------------------------- 731 732struct vki_shmid64_ds { 733 struct vki_ipc64_perm shm_perm; /* operation perms */ 734 vki_size_t shm_segsz; /* size of segment (bytes) */ 735 __vki_kernel_time_t shm_atime; /* last attach time */ 736 unsigned long __unused1; 737 __vki_kernel_time_t shm_dtime; /* last detach time */ 738 unsigned long __unused2; 739 __vki_kernel_time_t shm_ctime; /* last change time */ 740 unsigned long __unused3; 741 __vki_kernel_pid_t shm_cpid; /* pid of creator */ 742 __vki_kernel_pid_t shm_lpid; /* pid of last operator */ 743 unsigned long shm_nattch; /* no. of current attaches */ 744 unsigned long __unused4; 745 unsigned long __unused5; 746}; 747 748struct vki_shminfo64 { 749 unsigned long shmmax; 750 unsigned long shmmin; 751 unsigned long shmmni; 752 unsigned long shmseg; 753 unsigned long shmall; 754 unsigned long __unused1; 755 unsigned long __unused2; 756 unsigned long __unused3; 757 unsigned long __unused4; 758}; 759 760//---------------------------------------------------------------------- 761// DRM ioctls 762//---------------------------------------------------------------------- 763 764// jrs 20050207: where did all this stuff come from? Is it really 765// i386 specific, or should it go into the linux-generic category? 766//struct vki_drm_buf_pub { 767// Int idx; /**< Index into the master buffer list */ 768// Int total; /**< Buffer size */ 769// Int used; /**< Amount of buffer in use (for DMA) */ 770// void __user *address; /**< Address of buffer */ 771//}; 772// 773//struct vki_drm_buf_map { 774// Int count; /**< Length of the buffer list */ 775// void __user *virtual; /**< Mmap'd area in user-virtual */ 776// struct vki_drm_buf_pub __user *list; /**< Buffer information */ 777//}; 778// 779///* We need to pay attention to this, because it mmaps memory */ 780//#define VKI_DRM_IOCTL_MAP_BUFS _VKI_IOWR('d', 0x19, struct vki_drm_buf_map) 781 782//---------------------------------------------------------------------- 783// From linux-2.6.9/include/asm-i386/ptrace.h 784//---------------------------------------------------------------------- 785 786#define VKI_PTRACE_GETREGS 12 787#define VKI_PTRACE_SETREGS 13 788#define VKI_PTRACE_GETFPREGS 14 789#define VKI_PTRACE_SETFPREGS 15 790#define VKI_PTRACE_GETFPXREGS 18 791#define VKI_PTRACE_SETFPXREGS 19 792 793//---------------------------------------------------------------------- 794// From linux-2.6.15.4/include/asm-i386/vm86.h 795//---------------------------------------------------------------------- 796 797#define VKI_VM86_PLUS_INSTALL_CHECK 0 798#define VKI_VM86_ENTER 1 799#define VKI_VM86_ENTER_NO_BYPASS 2 800#define VKI_VM86_REQUEST_IRQ 3 801#define VKI_VM86_FREE_IRQ 4 802#define VKI_VM86_GET_IRQ_BITS 5 803#define VKI_VM86_GET_AND_RESET_IRQ 6 804 805struct vki_vm86_regs { 806/* 807 * normal regs, with special meaning for the segment descriptors.. 808 */ 809 long ebx; 810 long ecx; 811 long edx; 812 long esi; 813 long edi; 814 long ebp; 815 long eax; 816 long __null_ds; 817 long __null_es; 818 long __null_fs; 819 long __null_gs; 820 long orig_eax; 821 long eip; 822 unsigned short cs, __csh; 823 long eflags; 824 long esp; 825 unsigned short ss, __ssh; 826/* 827 * these are specific to v86 mode: 828 */ 829 unsigned short es, __esh; 830 unsigned short ds, __dsh; 831 unsigned short fs, __fsh; 832 unsigned short gs, __gsh; 833}; 834 835struct vki_revectored_struct { 836 unsigned long __map[8]; /* 256 bits */ 837}; 838 839struct vki_vm86_struct { 840 struct vki_vm86_regs regs; 841 unsigned long flags; 842 unsigned long screen_bitmap; 843 unsigned long cpu_type; 844 struct vki_revectored_struct int_revectored; 845 struct vki_revectored_struct int21_revectored; 846}; 847 848struct vki_vm86plus_info_struct { 849 unsigned long force_return_for_pic:1; 850 unsigned long vm86dbg_active:1; /* for debugger */ 851 unsigned long vm86dbg_TFpendig:1; /* for debugger */ 852 unsigned long unused:28; 853 unsigned long is_vm86pus:1; /* for vm86 internal use */ 854 unsigned char vm86dbg_intxxtab[32]; /* for debugger */ 855}; 856 857struct vki_vm86plus_struct { 858 struct vki_vm86_regs regs; 859 unsigned long flags; 860 unsigned long screen_bitmap; 861 unsigned long cpu_type; 862 struct vki_revectored_struct int_revectored; 863 struct vki_revectored_struct int21_revectored; 864 struct vki_vm86plus_info_struct vm86plus; 865}; 866 867//---------------------------------------------------------------------- 868// And that's it! 869//---------------------------------------------------------------------- 870 871#endif // __VKI_X86_LINUX_H 872 873/*--------------------------------------------------------------------*/ 874/*--- end ---*/ 875/*--------------------------------------------------------------------*/ 876