vki-x86-linux.h revision 07b168da387c8cf6e250fa042fc93dcc80e32752
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) 2000-2010 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 2 151 152/* These are 'legacy' sigactions in which the size of sa_mask is fixed 153 (cannot be expanded at any future point) because it is sandwiched 154 between two other fields. 155 (there is identical kludgery in vki-ppc32-linux.h) */ 156struct vki_old_sigaction { 157 // [[Nb: a 'k' prefix is added to "sa_handler" because 158 // bits/sigaction.h (which gets dragged in somehow via signal.h) 159 // #defines it as something else. Since that is done for glibc's 160 // purposes, which we don't care about here, we use our own name.]] 161 __vki_sighandler_t ksa_handler; 162 vki_old_sigset_t sa_mask; 163 unsigned long sa_flags; 164 __vki_sigrestore_t sa_restorer; 165}; 166 167struct vki_sigaction_base { 168 // [[See comment about extra 'k' above]] 169 __vki_sighandler_t ksa_handler; 170 unsigned long sa_flags; 171 __vki_sigrestore_t sa_restorer; 172 vki_sigset_t sa_mask; /* mask last for extensibility */ 173}; 174 175/* On Linux we use the same type for passing sigactions to 176 and from the kernel. Hence: */ 177typedef struct vki_sigaction_base vki_sigaction_toK_t; 178typedef struct vki_sigaction_base vki_sigaction_fromK_t; 179 180 181typedef struct vki_sigaltstack { 182 void __user *ss_sp; 183 int ss_flags; 184 vki_size_t ss_size; 185} vki_stack_t; 186 187//---------------------------------------------------------------------- 188// From linux-2.6.8.1/include/asm-i386/sigcontext.h 189//---------------------------------------------------------------------- 190 191struct _vki_fpreg { 192 unsigned short significand[4]; 193 unsigned short exponent; 194}; 195 196struct _vki_fpxreg { 197 unsigned short significand[4]; 198 unsigned short exponent; 199 unsigned short padding[3]; 200}; 201 202struct _vki_xmmreg { 203 unsigned long element[4]; 204}; 205 206struct _vki_fpstate { 207 /* Regular FPU environment */ 208 unsigned long cw; 209 unsigned long sw; 210 unsigned long tag; 211 unsigned long ipoff; 212 unsigned long cssel; 213 unsigned long dataoff; 214 unsigned long datasel; 215 struct _vki_fpreg _st[8]; 216 unsigned short status; 217 unsigned short magic; /* 0xffff = regular FPU data only */ 218 219 /* FXSR FPU environment */ 220 unsigned long _fxsr_env[6]; /* FXSR FPU env is ignored */ 221 unsigned long mxcsr; 222 unsigned long reserved; 223 struct _vki_fpxreg _fxsr_st[8]; /* FXSR FPU reg data is ignored */ 224 struct _vki_xmmreg _xmm[8]; 225 unsigned long padding[56]; 226}; 227 228struct vki_sigcontext { 229 unsigned short gs, __gsh; 230 unsigned short fs, __fsh; 231 unsigned short es, __esh; 232 unsigned short ds, __dsh; 233 unsigned long edi; 234 unsigned long esi; 235 unsigned long ebp; 236 unsigned long esp; 237 unsigned long ebx; 238 unsigned long edx; 239 unsigned long ecx; 240 unsigned long eax; 241 unsigned long trapno; 242 unsigned long err; 243 unsigned long eip; 244 unsigned short cs, __csh; 245 unsigned long eflags; 246 unsigned long esp_at_signal; 247 unsigned short ss, __ssh; 248 struct _vki_fpstate __user * fpstate; 249 unsigned long oldmask; 250 unsigned long cr2; 251}; 252 253//---------------------------------------------------------------------- 254// From linux-2.6.8.1/include/asm-i386/mman.h 255//---------------------------------------------------------------------- 256 257#define VKI_PROT_NONE 0x0 /* No page permissions */ 258#define VKI_PROT_READ 0x1 /* page can be read */ 259#define VKI_PROT_WRITE 0x2 /* page can be written */ 260#define VKI_PROT_EXEC 0x4 /* page can be executed */ 261#define VKI_PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */ 262#define VKI_PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */ 263 264#define VKI_MAP_SHARED 0x01 /* Share changes */ 265#define VKI_MAP_PRIVATE 0x02 /* Changes are private */ 266//#define VKI_MAP_TYPE 0x0f /* Mask for type of mapping */ 267#define VKI_MAP_FIXED 0x10 /* Interpret addr exactly */ 268#define VKI_MAP_ANONYMOUS 0x20 /* don't use a file */ 269#define VKI_MAP_NORESERVE 0x4000 /* don't check for reservations */ 270 271//---------------------------------------------------------------------- 272// From linux-2.6.8.1/include/asm-i386/fcntl.h 273//---------------------------------------------------------------------- 274 275#define VKI_O_RDONLY 00 276#define VKI_O_WRONLY 01 277#define VKI_O_RDWR 02 278#define VKI_O_CREAT 0100 /* not fcntl */ 279#define VKI_O_EXCL 0200 /* not fcntl */ 280#define VKI_O_TRUNC 01000 /* not fcntl */ 281#define VKI_O_APPEND 02000 282#define VKI_O_NONBLOCK 04000 283#define VKI_O_LARGEFILE 0100000 284 285#define VKI_AT_FDCWD -100 286 287#define VKI_F_DUPFD 0 /* dup */ 288#define VKI_F_GETFD 1 /* get close_on_exec */ 289#define VKI_F_SETFD 2 /* set/clear close_on_exec */ 290#define VKI_F_GETFL 3 /* get file->f_flags */ 291#define VKI_F_SETFL 4 /* set file->f_flags */ 292#define VKI_F_GETLK 5 293#define VKI_F_SETLK 6 294#define VKI_F_SETLKW 7 295 296#define VKI_F_SETOWN 8 /* for sockets. */ 297#define VKI_F_GETOWN 9 /* for sockets. */ 298#define VKI_F_SETSIG 10 /* for sockets. */ 299#define VKI_F_GETSIG 11 /* for sockets. */ 300 301#define VKI_F_GETLK64 12 /* using 'struct flock64' */ 302#define VKI_F_SETLK64 13 303#define VKI_F_SETLKW64 14 304 305/* for F_[GET|SET]FL */ 306#define VKI_FD_CLOEXEC 1 /* actually anything with low bit set goes */ 307 308#define VKI_F_LINUX_SPECIFIC_BASE 1024 309 310//---------------------------------------------------------------------- 311// From linux-2.6.8.1/include/asm-i386/resource.h 312//---------------------------------------------------------------------- 313 314#define VKI_RLIMIT_DATA 2 /* max data size */ 315#define VKI_RLIMIT_STACK 3 /* max stack size */ 316#define VKI_RLIMIT_CORE 4 /* max core file size */ 317#define VKI_RLIMIT_NOFILE 7 /* max number of open files */ 318 319//---------------------------------------------------------------------- 320// From linux-2.6.8.1/include/asm-i386/socket.h 321//---------------------------------------------------------------------- 322 323#define VKI_SOL_SOCKET 1 324 325#define VKI_SO_TYPE 3 326 327//---------------------------------------------------------------------- 328// From linux-2.6.8.1/include/asm-i386/sockios.h 329//---------------------------------------------------------------------- 330 331#define VKI_SIOCSPGRP 0x8902 332#define VKI_SIOCGPGRP 0x8904 333#define VKI_SIOCGSTAMP 0x8906 /* Get stamp (timeval) */ 334#define VKI_SIOCGSTAMPNS 0x8907 /* Get stamp (timespec) */ 335 336//---------------------------------------------------------------------- 337// From linux-2.6.8.1/include/asm-i386/stat.h 338//---------------------------------------------------------------------- 339 340struct vki_stat { 341 unsigned long st_dev; 342 unsigned long st_ino; 343 unsigned short st_mode; 344 unsigned short st_nlink; 345 unsigned short st_uid; 346 unsigned short st_gid; 347 unsigned long st_rdev; 348 unsigned long st_size; 349 unsigned long st_blksize; 350 unsigned long st_blocks; 351 unsigned long st_atime; 352 unsigned long st_atime_nsec; 353 unsigned long st_mtime; 354 unsigned long st_mtime_nsec; 355 unsigned long st_ctime; 356 unsigned long st_ctime_nsec; 357 unsigned long __unused4; 358 unsigned long __unused5; 359}; 360 361struct vki_stat64 { 362 unsigned long long st_dev; 363 unsigned char __pad0[4]; 364 365#define STAT64_HAS_BROKEN_ST_INO 1 366 unsigned long __st_ino; 367 368 unsigned int st_mode; 369 unsigned int st_nlink; 370 371 unsigned long st_uid; 372 unsigned long st_gid; 373 374 unsigned long long st_rdev; 375 unsigned char __pad3[4]; 376 377 long long st_size; 378 unsigned long st_blksize; 379 380 unsigned long st_blocks; /* Number 512-byte blocks allocated. */ 381 unsigned long __pad4; /* future possible st_blocks high bits */ 382 383 unsigned long st_atime; 384 unsigned long st_atime_nsec; 385 386 unsigned long st_mtime; 387 unsigned int st_mtime_nsec; 388 389 unsigned long st_ctime; 390 unsigned long st_ctime_nsec; 391 392 unsigned long long st_ino; 393}; 394 395//---------------------------------------------------------------------- 396// From linux-2.6.8.1/include/asm-i386/statfs.h 397//---------------------------------------------------------------------- 398 399// [[Nb: asm-i386/statfs.h just #include asm-generic/statfs.h directly]] 400struct vki_statfs { 401 __vki_u32 f_type; 402 __vki_u32 f_bsize; 403 __vki_u32 f_blocks; 404 __vki_u32 f_bfree; 405 __vki_u32 f_bavail; 406 __vki_u32 f_files; 407 __vki_u32 f_ffree; 408 __vki_kernel_fsid_t f_fsid; 409 __vki_u32 f_namelen; 410 __vki_u32 f_frsize; 411 __vki_u32 f_spare[5]; 412}; 413 414//---------------------------------------------------------------------- 415// From linux-2.6.8.1/include/asm-i386/termios.h 416//---------------------------------------------------------------------- 417 418struct vki_winsize { 419 unsigned short ws_row; 420 unsigned short ws_col; 421 unsigned short ws_xpixel; 422 unsigned short ws_ypixel; 423}; 424 425#define VKI_NCC 8 426struct vki_termio { 427 unsigned short c_iflag; /* input mode flags */ 428 unsigned short c_oflag; /* output mode flags */ 429 unsigned short c_cflag; /* control mode flags */ 430 unsigned short c_lflag; /* local mode flags */ 431 unsigned char c_line; /* line discipline */ 432 unsigned char c_cc[VKI_NCC]; /* control characters */ 433}; 434 435 436//---------------------------------------------------------------------- 437// From linux-2.6.8.1/include/asm-i386/termbits.h 438//---------------------------------------------------------------------- 439 440typedef unsigned char vki_cc_t; 441typedef unsigned int vki_tcflag_t; 442 443#define VKI_NCCS 19 444struct vki_termios { 445 vki_tcflag_t c_iflag; /* input mode flags */ 446 vki_tcflag_t c_oflag; /* output mode flags */ 447 vki_tcflag_t c_cflag; /* control mode flags */ 448 vki_tcflag_t c_lflag; /* local mode flags */ 449 vki_cc_t c_line; /* line discipline */ 450 vki_cc_t c_cc[VKI_NCCS]; /* control characters */ 451}; 452 453//---------------------------------------------------------------------- 454// From linux-2.6.8.1/include/asm-i386/ioctl.h 455//---------------------------------------------------------------------- 456 457#define _VKI_IOC_NRBITS 8 458#define _VKI_IOC_TYPEBITS 8 459#define _VKI_IOC_SIZEBITS 14 460#define _VKI_IOC_DIRBITS 2 461 462#define _VKI_IOC_NRMASK ((1 << _VKI_IOC_NRBITS)-1) 463#define _VKI_IOC_TYPEMASK ((1 << _VKI_IOC_TYPEBITS)-1) 464#define _VKI_IOC_SIZEMASK ((1 << _VKI_IOC_SIZEBITS)-1) 465#define _VKI_IOC_DIRMASK ((1 << _VKI_IOC_DIRBITS)-1) 466 467#define _VKI_IOC_NRSHIFT 0 468#define _VKI_IOC_TYPESHIFT (_VKI_IOC_NRSHIFT+_VKI_IOC_NRBITS) 469#define _VKI_IOC_SIZESHIFT (_VKI_IOC_TYPESHIFT+_VKI_IOC_TYPEBITS) 470#define _VKI_IOC_DIRSHIFT (_VKI_IOC_SIZESHIFT+_VKI_IOC_SIZEBITS) 471 472#define _VKI_IOC_NONE 0U 473#define _VKI_IOC_WRITE 1U 474#define _VKI_IOC_READ 2U 475 476#define _VKI_IOC(dir,type,nr,size) \ 477 (((dir) << _VKI_IOC_DIRSHIFT) | \ 478 ((type) << _VKI_IOC_TYPESHIFT) | \ 479 ((nr) << _VKI_IOC_NRSHIFT) | \ 480 ((size) << _VKI_IOC_SIZESHIFT)) 481 482/* used to create numbers */ 483#define _VKI_IO(type,nr) _VKI_IOC(_VKI_IOC_NONE,(type),(nr),0) 484#define _VKI_IOR(type,nr,size) _VKI_IOC(_VKI_IOC_READ,(type),(nr),(_VKI_IOC_TYPECHECK(size))) 485#define _VKI_IOW(type,nr,size) _VKI_IOC(_VKI_IOC_WRITE,(type),(nr),(_VKI_IOC_TYPECHECK(size))) 486#define _VKI_IOWR(type,nr,size) _VKI_IOC(_VKI_IOC_READ|_VKI_IOC_WRITE,(type),(nr),(_VKI_IOC_TYPECHECK(size))) 487 488/* used to decode ioctl numbers.. */ 489#define _VKI_IOC_DIR(nr) (((nr) >> _VKI_IOC_DIRSHIFT) & _VKI_IOC_DIRMASK) 490#define _VKI_IOC_TYPE(nr) (((nr) >> _VKI_IOC_TYPESHIFT) & _VKI_IOC_TYPEMASK) 491#define _VKI_IOC_NR(nr) (((nr) >> _VKI_IOC_NRSHIFT) & _VKI_IOC_NRMASK) 492#define _VKI_IOC_SIZE(nr) (((nr) >> _VKI_IOC_SIZESHIFT) & _VKI_IOC_SIZEMASK) 493 494//---------------------------------------------------------------------- 495// From linux-2.6.8.1/include/asm-i386/ioctls.h 496//---------------------------------------------------------------------- 497 498#define VKI_TCGETS 0x5401 499#define VKI_TCSETS 0x5402 /* Clashes with SNDCTL_TMR_START sound ioctl */ 500#define VKI_TCSETSW 0x5403 501#define VKI_TCSETSF 0x5404 502#define VKI_TCGETA 0x5405 503#define VKI_TCSETA 0x5406 504#define VKI_TCSETAW 0x5407 505#define VKI_TCSETAF 0x5408 506#define VKI_TCSBRK 0x5409 507#define VKI_TCXONC 0x540A 508#define VKI_TCFLSH 0x540B 509#define VKI_TIOCSCTTY 0x540E 510#define VKI_TIOCGPGRP 0x540F 511#define VKI_TIOCSPGRP 0x5410 512#define VKI_TIOCOUTQ 0x5411 513#define VKI_TIOCGWINSZ 0x5413 514#define VKI_TIOCSWINSZ 0x5414 515#define VKI_TIOCMGET 0x5415 516#define VKI_TIOCMBIS 0x5416 517#define VKI_TIOCMBIC 0x5417 518#define VKI_TIOCMSET 0x5418 519#define VKI_FIONREAD 0x541B 520#define VKI_TIOCLINUX 0x541C 521#define VKI_FIONBIO 0x5421 522#define VKI_TCSBRKP 0x5425 /* Needed for POSIX tcsendbreak() */ 523#define VKI_TIOCGPTN _VKI_IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ 524#define VKI_TIOCSPTLCK _VKI_IOW('T',0x31, int) /* Lock/unlock Pty */ 525 526#define VKI_FIOASYNC 0x5452 527#define VKI_TIOCSERGETLSR 0x5459 /* Get line status register */ 528 529#define VKI_TIOCGICOUNT 0x545D /* read serial port inline interrupt counts */ 530 531//---------------------------------------------------------------------- 532// From linux-2.6.8.1/include/asm-i386/poll.h 533//---------------------------------------------------------------------- 534 535/* These are specified by iBCS2 */ 536#define VKI_POLLIN 0x0001 537 538struct vki_pollfd { 539 int fd; 540 short events; 541 short revents; 542}; 543 544//---------------------------------------------------------------------- 545// From linux-2.6.8.1/include/asm-i386/user.h 546//---------------------------------------------------------------------- 547 548struct vki_user_i387_struct { 549 long cwd; 550 long swd; 551 long twd; 552 long fip; 553 long fcs; 554 long foo; 555 long fos; 556 long st_space[20]; /* 8*10 bytes for each FP-reg = 80 bytes */ 557}; 558 559struct vki_user_fxsr_struct { 560 unsigned short cwd; 561 unsigned short swd; 562 unsigned short twd; 563 unsigned short fop; 564 long fip; 565 long fcs; 566 long foo; 567 long fos; 568 long mxcsr; 569 long reserved; 570 long st_space[32]; /* 8*16 bytes for each FP-reg = 128 bytes */ 571 long xmm_space[32]; /* 8*16 bytes for each XMM-reg = 128 bytes */ 572 long padding[56]; 573}; 574 575/* 576 * This is the old layout of "struct pt_regs", and 577 * is still the layout used by user mode (the new 578 * pt_regs doesn't have all registers as the kernel 579 * doesn't use the extra segment registers) 580 */ 581struct vki_user_regs_struct { 582 long ebx, ecx, edx, esi, edi, ebp, eax; 583 unsigned short ds, __ds, es, __es; 584 unsigned short fs, __fs, gs, __gs; 585 long orig_eax, eip; 586 unsigned short cs, __cs; 587 long eflags, esp; 588 unsigned short ss, __ss; 589}; 590 591//---------------------------------------------------------------------- 592// From linux-2.6.8.1/include/asm-i386/elf.h 593//---------------------------------------------------------------------- 594 595typedef unsigned long vki_elf_greg_t; 596 597#define VKI_ELF_NGREG (sizeof (struct vki_user_regs_struct) / sizeof(vki_elf_greg_t)) 598typedef vki_elf_greg_t vki_elf_gregset_t[VKI_ELF_NGREG]; 599 600typedef struct vki_user_i387_struct vki_elf_fpregset_t; 601typedef struct vki_user_fxsr_struct vki_elf_fpxregset_t; 602 603#define VKI_AT_SYSINFO 32 604 605//---------------------------------------------------------------------- 606// From linux-2.6.8.1/include/asm-i386/ucontext.h 607//---------------------------------------------------------------------- 608 609struct vki_ucontext { 610 unsigned long uc_flags; 611 struct vki_ucontext *uc_link; 612 vki_stack_t uc_stack; 613 struct vki_sigcontext uc_mcontext; 614 vki_sigset_t uc_sigmask; /* mask last for extensibility */ 615}; 616 617//---------------------------------------------------------------------- 618// From linux-2.6.8.1/include/asm-i386/segment.h 619//---------------------------------------------------------------------- 620 621#define VKI_GDT_ENTRY_TLS_ENTRIES 3 622#define VKI_GDT_ENTRY_TLS_MIN 6 623#define VKI_GDT_ENTRY_TLS_MAX (VKI_GDT_ENTRY_TLS_MIN + VKI_GDT_ENTRY_TLS_ENTRIES - 1) 624 625//---------------------------------------------------------------------- 626// From linux-2.6.8.1/include/asm-i386/ldt.h 627//---------------------------------------------------------------------- 628 629/* [[Nb: This is the structure passed to the modify_ldt syscall. Just so as 630 to confuse and annoy everyone, this is _not_ the same as an 631 VgLdtEntry and has to be translated into such. The logic for doing 632 so, in vg_ldt.c, is copied from the kernel sources.]] */ 633struct vki_user_desc { 634 unsigned int entry_number; 635 unsigned long base_addr; 636 unsigned int limit; 637 unsigned int seg_32bit:1; 638 unsigned int contents:2; 639 unsigned int read_exec_only:1; 640 unsigned int limit_in_pages:1; 641 unsigned int seg_not_present:1; 642 unsigned int useable:1; 643 // [[Nb: this field is not in the kernel sources, but it has always 644 // been in the Valgrind sources so I will keep it there in case it's 645 // important... this is an x86-defined data structure so who 646 // knows; maybe it's important to set this field to zero at some 647 // point. --njn]] 648 unsigned int reserved:25; 649}; 650 651// [[Nb: for our convenience within Valgrind, use a more specific name]] 652typedef struct vki_user_desc vki_modify_ldt_t; 653 654//---------------------------------------------------------------------- 655// From linux-2.6.8.1/include/asm-i386/ipcbuf.h 656//---------------------------------------------------------------------- 657 658struct vki_ipc64_perm 659{ 660 __vki_kernel_key_t key; 661 __vki_kernel_uid32_t uid; 662 __vki_kernel_gid32_t gid; 663 __vki_kernel_uid32_t cuid; 664 __vki_kernel_gid32_t cgid; 665 __vki_kernel_mode_t mode; 666 unsigned short __pad1; 667 unsigned short seq; 668 unsigned short __pad2; 669 unsigned long __unused1; 670 unsigned long __unused2; 671}; 672 673//---------------------------------------------------------------------- 674// From linux-2.6.8.1/include/asm-i386/sembuf.h 675//---------------------------------------------------------------------- 676 677struct vki_semid64_ds { 678 struct vki_ipc64_perm sem_perm; /* permissions .. see ipc.h */ 679 __vki_kernel_time_t sem_otime; /* last semop time */ 680 unsigned long __unused1; 681 __vki_kernel_time_t sem_ctime; /* last change time */ 682 unsigned long __unused2; 683 unsigned long sem_nsems; /* no. of semaphores in array */ 684 unsigned long __unused3; 685 unsigned long __unused4; 686}; 687 688//---------------------------------------------------------------------- 689// From linux-2.6.8.1/include/asm-i386/msgbuf.h 690//---------------------------------------------------------------------- 691 692struct vki_msqid64_ds { 693 struct vki_ipc64_perm msg_perm; 694 __vki_kernel_time_t msg_stime; /* last msgsnd time */ 695 unsigned long __unused1; 696 __vki_kernel_time_t msg_rtime; /* last msgrcv time */ 697 unsigned long __unused2; 698 __vki_kernel_time_t msg_ctime; /* last change time */ 699 unsigned long __unused3; 700 unsigned long msg_cbytes; /* current number of bytes on queue */ 701 unsigned long msg_qnum; /* number of messages in queue */ 702 unsigned long msg_qbytes; /* max number of bytes on queue */ 703 __vki_kernel_pid_t msg_lspid; /* pid of last msgsnd */ 704 __vki_kernel_pid_t msg_lrpid; /* last receive pid */ 705 unsigned long __unused4; 706 unsigned long __unused5; 707}; 708 709//---------------------------------------------------------------------- 710// From linux-2.6.8.1/include/asm-i386/ipc.h 711//---------------------------------------------------------------------- 712 713struct vki_ipc_kludge { 714 struct vki_msgbuf __user *msgp; 715 long msgtyp; 716}; 717 718#define VKI_SEMOP 1 719#define VKI_SEMGET 2 720#define VKI_SEMCTL 3 721#define VKI_SEMTIMEDOP 4 722#define VKI_MSGSND 11 723#define VKI_MSGRCV 12 724#define VKI_MSGGET 13 725#define VKI_MSGCTL 14 726#define VKI_SHMAT 21 727#define VKI_SHMDT 22 728#define VKI_SHMGET 23 729#define VKI_SHMCTL 24 730 731 732//---------------------------------------------------------------------- 733// From linux-2.6.8.1/include/asm-i386/shmbuf.h 734//---------------------------------------------------------------------- 735 736struct vki_shmid64_ds { 737 struct vki_ipc64_perm shm_perm; /* operation perms */ 738 vki_size_t shm_segsz; /* size of segment (bytes) */ 739 __vki_kernel_time_t shm_atime; /* last attach time */ 740 unsigned long __unused1; 741 __vki_kernel_time_t shm_dtime; /* last detach time */ 742 unsigned long __unused2; 743 __vki_kernel_time_t shm_ctime; /* last change time */ 744 unsigned long __unused3; 745 __vki_kernel_pid_t shm_cpid; /* pid of creator */ 746 __vki_kernel_pid_t shm_lpid; /* pid of last operator */ 747 unsigned long shm_nattch; /* no. of current attaches */ 748 unsigned long __unused4; 749 unsigned long __unused5; 750}; 751 752struct vki_shminfo64 { 753 unsigned long shmmax; 754 unsigned long shmmin; 755 unsigned long shmmni; 756 unsigned long shmseg; 757 unsigned long shmall; 758 unsigned long __unused1; 759 unsigned long __unused2; 760 unsigned long __unused3; 761 unsigned long __unused4; 762}; 763 764//---------------------------------------------------------------------- 765// DRM ioctls 766//---------------------------------------------------------------------- 767 768// jrs 20050207: where did all this stuff come from? Is it really 769// i386 specific, or should it go into the linux-generic category? 770//struct vki_drm_buf_pub { 771// Int idx; /**< Index into the master buffer list */ 772// Int total; /**< Buffer size */ 773// Int used; /**< Amount of buffer in use (for DMA) */ 774// void __user *address; /**< Address of buffer */ 775//}; 776// 777//struct vki_drm_buf_map { 778// Int count; /**< Length of the buffer list */ 779// void __user *virtual; /**< Mmap'd area in user-virtual */ 780// struct vki_drm_buf_pub __user *list; /**< Buffer information */ 781//}; 782// 783///* We need to pay attention to this, because it mmaps memory */ 784//#define VKI_DRM_IOCTL_MAP_BUFS _VKI_IOWR('d', 0x19, struct vki_drm_buf_map) 785 786//---------------------------------------------------------------------- 787// From linux-2.6.9/include/asm-i386/ptrace.h 788//---------------------------------------------------------------------- 789 790#define VKI_PTRACE_GETREGS 12 791#define VKI_PTRACE_SETREGS 13 792#define VKI_PTRACE_GETFPREGS 14 793#define VKI_PTRACE_SETFPREGS 15 794#define VKI_PTRACE_GETFPXREGS 18 795#define VKI_PTRACE_SETFPXREGS 19 796 797//---------------------------------------------------------------------- 798// From linux-2.6.15.4/include/asm-i386/vm86.h 799//---------------------------------------------------------------------- 800 801#define VKI_VM86_PLUS_INSTALL_CHECK 0 802#define VKI_VM86_ENTER 1 803#define VKI_VM86_ENTER_NO_BYPASS 2 804#define VKI_VM86_REQUEST_IRQ 3 805#define VKI_VM86_FREE_IRQ 4 806#define VKI_VM86_GET_IRQ_BITS 5 807#define VKI_VM86_GET_AND_RESET_IRQ 6 808 809struct vki_vm86_regs { 810/* 811 * normal regs, with special meaning for the segment descriptors.. 812 */ 813 long ebx; 814 long ecx; 815 long edx; 816 long esi; 817 long edi; 818 long ebp; 819 long eax; 820 long __null_ds; 821 long __null_es; 822 long __null_fs; 823 long __null_gs; 824 long orig_eax; 825 long eip; 826 unsigned short cs, __csh; 827 long eflags; 828 long esp; 829 unsigned short ss, __ssh; 830/* 831 * these are specific to v86 mode: 832 */ 833 unsigned short es, __esh; 834 unsigned short ds, __dsh; 835 unsigned short fs, __fsh; 836 unsigned short gs, __gsh; 837}; 838 839struct vki_revectored_struct { 840 unsigned long __map[8]; /* 256 bits */ 841}; 842 843struct vki_vm86_struct { 844 struct vki_vm86_regs regs; 845 unsigned long flags; 846 unsigned long screen_bitmap; 847 unsigned long cpu_type; 848 struct vki_revectored_struct int_revectored; 849 struct vki_revectored_struct int21_revectored; 850}; 851 852struct vki_vm86plus_info_struct { 853 unsigned long force_return_for_pic:1; 854 unsigned long vm86dbg_active:1; /* for debugger */ 855 unsigned long vm86dbg_TFpendig:1; /* for debugger */ 856 unsigned long unused:28; 857 unsigned long is_vm86pus:1; /* for vm86 internal use */ 858 unsigned char vm86dbg_intxxtab[32]; /* for debugger */ 859}; 860 861struct vki_vm86plus_struct { 862 struct vki_vm86_regs regs; 863 unsigned long flags; 864 unsigned long screen_bitmap; 865 unsigned long cpu_type; 866 struct vki_revectored_struct int_revectored; 867 struct vki_revectored_struct int21_revectored; 868 struct vki_vm86plus_info_struct vm86plus; 869}; 870 871//---------------------------------------------------------------------- 872// And that's it! 873//---------------------------------------------------------------------- 874 875#endif // __VKI_X86_LINUX_H 876 877/*--------------------------------------------------------------------*/ 878/*--- end ---*/ 879/*--------------------------------------------------------------------*/ 880