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) 2000-2013 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 41 typedef unsigned char __vki_u8; 42 43 typedef __signed__ short __vki_s16; 44 typedef unsigned short __vki_u16; 45 46 typedef __signed__ int __vki_s32; 47 typedef unsigned int __vki_u32; 48 49 typedef __signed__ long long __vki_s64; 50 typedef unsigned long long __vki_u64; 51 52 typedef unsigned short vki_u16; 53 54 typedef 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-2.6.35.4/arch/x86/include/asm/shmparam.h 68 //---------------------------------------------------------------------- 69 70 #define VKI_SHMLBA VKI_PAGE_SIZE 71 72 //---------------------------------------------------------------------- 73 // From linux-2.6.8.1/include/asm-i386/signal.h 74 //---------------------------------------------------------------------- 75 76 #define VKI_MINSIGSTKSZ 2048 77 78 #define VKI_SIG_BLOCK 0 /* for blocking signals */ 79 #define VKI_SIG_UNBLOCK 1 /* for unblocking signals */ 80 #define VKI_SIG_SETMASK 2 /* for setting the signal mask */ 81 82 /* Type of a signal handler. */ 83 typedef void __vki_signalfn_t(int); 84 typedef __vki_signalfn_t __user *__vki_sighandler_t; 85 86 typedef void __vki_restorefn_t(void); 87 typedef __vki_restorefn_t __user *__vki_sigrestore_t; 88 89 #define VKI_SIG_DFL ((__vki_sighandler_t)0) /* default signal handling */ 90 #define VKI_SIG_IGN ((__vki_sighandler_t)1) /* ignore signal */ 91 92 #define _VKI_NSIG 64 93 #define _VKI_NSIG_BPW 32 94 #define _VKI_NSIG_WORDS (_VKI_NSIG / _VKI_NSIG_BPW) 95 96 typedef unsigned long vki_old_sigset_t; /* at least 32 bits */ 97 98 typedef struct { 99 unsigned long sig[_VKI_NSIG_WORDS]; 100 } vki_sigset_t; 101 102 #define VKI_SIGHUP 1 103 #define VKI_SIGINT 2 104 #define VKI_SIGQUIT 3 105 #define VKI_SIGILL 4 106 #define VKI_SIGTRAP 5 107 #define VKI_SIGABRT 6 108 //#define VKI_SIGIOT 6 109 #define VKI_SIGBUS 7 110 #define VKI_SIGFPE 8 111 #define VKI_SIGKILL 9 112 #define VKI_SIGUSR1 10 113 #define VKI_SIGSEGV 11 114 #define VKI_SIGUSR2 12 115 #define VKI_SIGPIPE 13 116 #define VKI_SIGALRM 14 117 #define VKI_SIGTERM 15 118 #define VKI_SIGSTKFLT 16 119 #define VKI_SIGCHLD 17 120 #define VKI_SIGCONT 18 121 #define VKI_SIGSTOP 19 122 #define VKI_SIGTSTP 20 123 #define VKI_SIGTTIN 21 124 #define VKI_SIGTTOU 22 125 #define VKI_SIGURG 23 126 #define VKI_SIGXCPU 24 127 #define VKI_SIGXFSZ 25 128 #define VKI_SIGVTALRM 26 129 #define VKI_SIGPROF 27 130 #define VKI_SIGWINCH 28 131 #define VKI_SIGIO 29 132 #define VKI_SIGPWR 30 133 #define VKI_SIGSYS 31 134 #define VKI_SIGUNUSED 31 135 136 /* These should not be considered constants from userland. */ 137 #define VKI_SIGRTMIN 32 138 // [[This was (_NSIG-1) in 2.4.X... not sure if it matters.]] 139 #define VKI_SIGRTMAX _VKI_NSIG 140 141 #define VKI_SA_NOCLDSTOP 0x00000001u 142 #define VKI_SA_NOCLDWAIT 0x00000002u 143 #define VKI_SA_SIGINFO 0x00000004u 144 #define VKI_SA_ONSTACK 0x08000000u 145 #define VKI_SA_RESTART 0x10000000u 146 #define VKI_SA_NODEFER 0x40000000u 147 #define VKI_SA_RESETHAND 0x80000000u 148 149 #define VKI_SA_NOMASK VKI_SA_NODEFER 150 #define VKI_SA_ONESHOT VKI_SA_RESETHAND 151 //#define VKI_SA_INTERRUPT 0x20000000 /* dummy -- ignored */ 152 153 #define VKI_SA_RESTORER 0x04000000 154 155 #define VKI_SS_ONSTACK 1 156 #define VKI_SS_DISABLE 2 157 158 /* These are 'legacy' sigactions in which the size of sa_mask is fixed 159 (cannot be expanded at any future point) because it is sandwiched 160 between two other fields. 161 (there is identical kludgery in vki-ppc32-linux.h) */ 162 struct vki_old_sigaction { 163 // [[Nb: a 'k' prefix is added to "sa_handler" because 164 // bits/sigaction.h (which gets dragged in somehow via signal.h) 165 // #defines it as something else. Since that is done for glibc's 166 // purposes, which we don't care about here, we use our own name.]] 167 __vki_sighandler_t ksa_handler; 168 vki_old_sigset_t sa_mask; 169 unsigned long sa_flags; 170 __vki_sigrestore_t sa_restorer; 171 }; 172 173 struct vki_sigaction_base { 174 // [[See comment about extra 'k' above]] 175 __vki_sighandler_t ksa_handler; 176 unsigned long sa_flags; 177 __vki_sigrestore_t sa_restorer; 178 vki_sigset_t sa_mask; /* mask last for extensibility */ 179 }; 180 181 /* On Linux we use the same type for passing sigactions to 182 and from the kernel. Hence: */ 183 typedef struct vki_sigaction_base vki_sigaction_toK_t; 184 typedef struct vki_sigaction_base vki_sigaction_fromK_t; 185 186 187 typedef struct vki_sigaltstack { 188 void __user *ss_sp; 189 int ss_flags; 190 vki_size_t ss_size; 191 } vki_stack_t; 192 193 //---------------------------------------------------------------------- 194 // From linux-2.6.8.1/include/asm-i386/sigcontext.h 195 //---------------------------------------------------------------------- 196 197 struct _vki_fpreg { 198 unsigned short significand[4]; 199 unsigned short exponent; 200 }; 201 202 struct _vki_fpxreg { 203 unsigned short significand[4]; 204 unsigned short exponent; 205 unsigned short padding[3]; 206 }; 207 208 struct _vki_xmmreg { 209 unsigned long element[4]; 210 }; 211 212 struct _vki_fpstate { 213 /* Regular FPU environment */ 214 unsigned long cw; 215 unsigned long sw; 216 unsigned long tag; 217 unsigned long ipoff; 218 unsigned long cssel; 219 unsigned long dataoff; 220 unsigned long datasel; 221 struct _vki_fpreg _st[8]; 222 unsigned short status; 223 unsigned short magic; /* 0xffff = regular FPU data only */ 224 225 /* FXSR FPU environment */ 226 unsigned long _fxsr_env[6]; /* FXSR FPU env is ignored */ 227 unsigned long mxcsr; 228 unsigned long reserved; 229 struct _vki_fpxreg _fxsr_st[8]; /* FXSR FPU reg data is ignored */ 230 struct _vki_xmmreg _xmm[8]; 231 unsigned long padding[56]; 232 }; 233 234 struct vki_sigcontext { 235 unsigned short gs, __gsh; 236 unsigned short fs, __fsh; 237 unsigned short es, __esh; 238 unsigned short ds, __dsh; 239 unsigned long edi; 240 unsigned long esi; 241 unsigned long ebp; 242 unsigned long esp; 243 unsigned long ebx; 244 unsigned long edx; 245 unsigned long ecx; 246 unsigned long eax; 247 unsigned long trapno; 248 unsigned long err; 249 unsigned long eip; 250 unsigned short cs, __csh; 251 unsigned long eflags; 252 unsigned long esp_at_signal; 253 unsigned short ss, __ssh; 254 struct _vki_fpstate __user * fpstate; 255 unsigned long oldmask; 256 unsigned long cr2; 257 }; 258 259 //---------------------------------------------------------------------- 260 // From linux-2.6.8.1/include/asm-i386/mman.h 261 //---------------------------------------------------------------------- 262 263 #define VKI_PROT_NONE 0x0 /* No page permissions */ 264 #define VKI_PROT_READ 0x1 /* page can be read */ 265 #define VKI_PROT_WRITE 0x2 /* page can be written */ 266 #define VKI_PROT_EXEC 0x4 /* page can be executed */ 267 #define VKI_PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */ 268 #define VKI_PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */ 269 270 #define VKI_MAP_SHARED 0x01 /* Share changes */ 271 #define VKI_MAP_PRIVATE 0x02 /* Changes are private */ 272 //#define VKI_MAP_TYPE 0x0f /* Mask for type of mapping */ 273 #define VKI_MAP_FIXED 0x10 /* Interpret addr exactly */ 274 #define VKI_MAP_ANONYMOUS 0x20 /* don't use a file */ 275 #define VKI_MAP_NORESERVE 0x4000 /* don't check for reservations */ 276 277 //---------------------------------------------------------------------- 278 // From linux-2.6.8.1/include/asm-i386/fcntl.h 279 //---------------------------------------------------------------------- 280 281 #define VKI_O_ACCMODE 03 282 #define VKI_O_RDONLY 00 283 #define VKI_O_WRONLY 01 284 #define VKI_O_RDWR 02 285 #define VKI_O_CREAT 0100 /* not fcntl */ 286 #define VKI_O_EXCL 0200 /* not fcntl */ 287 #define VKI_O_TRUNC 01000 /* not fcntl */ 288 #define VKI_O_APPEND 02000 289 #define VKI_O_NONBLOCK 04000 290 #define VKI_O_LARGEFILE 0100000 291 292 #define VKI_AT_FDCWD -100 293 294 #define VKI_F_DUPFD 0 /* dup */ 295 #define VKI_F_GETFD 1 /* get close_on_exec */ 296 #define VKI_F_SETFD 2 /* set/clear close_on_exec */ 297 #define VKI_F_GETFL 3 /* get file->f_flags */ 298 #define VKI_F_SETFL 4 /* set file->f_flags */ 299 #define VKI_F_GETLK 5 300 #define VKI_F_SETLK 6 301 #define VKI_F_SETLKW 7 302 303 #define VKI_F_SETOWN 8 /* for sockets. */ 304 #define VKI_F_GETOWN 9 /* for sockets. */ 305 #define VKI_F_SETSIG 10 /* for sockets. */ 306 #define VKI_F_GETSIG 11 /* for sockets. */ 307 308 #define VKI_F_GETLK64 12 /* using 'struct flock64' */ 309 #define VKI_F_SETLK64 13 310 #define VKI_F_SETLKW64 14 311 312 #define VKI_F_SETOWN_EX 15 313 #define VKI_F_GETOWN_EX 16 314 315 #define VKI_F_OWNER_TID 0 316 #define VKI_F_OWNER_PID 1 317 #define VKI_F_OWNER_PGRP 2 318 319 struct vki_f_owner_ex { 320 int type; 321 __vki_kernel_pid_t pid; 322 }; 323 324 /* for F_[GET|SET]FL */ 325 #define VKI_FD_CLOEXEC 1 /* actually anything with low bit set goes */ 326 327 #define VKI_F_LINUX_SPECIFIC_BASE 1024 328 329 //---------------------------------------------------------------------- 330 // From linux-2.6.8.1/include/asm-i386/resource.h 331 //---------------------------------------------------------------------- 332 333 #define VKI_RLIMIT_DATA 2 /* max data size */ 334 #define VKI_RLIMIT_STACK 3 /* max stack size */ 335 #define VKI_RLIMIT_CORE 4 /* max core file size */ 336 #define VKI_RLIMIT_NOFILE 7 /* max number of open files */ 337 338 //---------------------------------------------------------------------- 339 // From linux-2.6.8.1/include/asm-i386/socket.h 340 //---------------------------------------------------------------------- 341 342 #define VKI_SOL_SOCKET 1 343 344 #define VKI_SO_TYPE 3 345 346 #define VKI_SO_ATTACH_FILTER 26 347 348 //---------------------------------------------------------------------- 349 // From linux-2.6.8.1/include/asm-i386/sockios.h 350 //---------------------------------------------------------------------- 351 352 #define VKI_SIOCSPGRP 0x8902 353 #define VKI_SIOCGPGRP 0x8904 354 #define VKI_SIOCGSTAMP 0x8906 /* Get stamp (timeval) */ 355 #define VKI_SIOCGSTAMPNS 0x8907 /* Get stamp (timespec) */ 356 357 //---------------------------------------------------------------------- 358 // From linux-2.6.8.1/include/asm-i386/stat.h 359 //---------------------------------------------------------------------- 360 361 struct vki_stat { 362 unsigned long st_dev; 363 unsigned long st_ino; 364 unsigned short st_mode; 365 unsigned short st_nlink; 366 unsigned short st_uid; 367 unsigned short st_gid; 368 unsigned long st_rdev; 369 unsigned long st_size; 370 unsigned long st_blksize; 371 unsigned long st_blocks; 372 unsigned long st_atime; 373 unsigned long st_atime_nsec; 374 unsigned long st_mtime; 375 unsigned long st_mtime_nsec; 376 unsigned long st_ctime; 377 unsigned long st_ctime_nsec; 378 unsigned long __unused4; 379 unsigned long __unused5; 380 }; 381 382 struct vki_stat64 { 383 unsigned long long st_dev; 384 unsigned char __pad0[4]; 385 386 #define STAT64_HAS_BROKEN_ST_INO 1 387 unsigned long __st_ino; 388 389 unsigned int st_mode; 390 unsigned int st_nlink; 391 392 unsigned long st_uid; 393 unsigned long st_gid; 394 395 unsigned long long st_rdev; 396 unsigned char __pad3[4]; 397 398 long long st_size; 399 unsigned long st_blksize; 400 401 unsigned long st_blocks; /* Number 512-byte blocks allocated. */ 402 unsigned long __pad4; /* future possible st_blocks high bits */ 403 404 unsigned long st_atime; 405 unsigned long st_atime_nsec; 406 407 unsigned long st_mtime; 408 unsigned int st_mtime_nsec; 409 410 unsigned long st_ctime; 411 unsigned long st_ctime_nsec; 412 413 unsigned long long st_ino; 414 }; 415 416 //---------------------------------------------------------------------- 417 // From linux-2.6.8.1/include/asm-i386/statfs.h 418 //---------------------------------------------------------------------- 419 420 // [[Nb: asm-i386/statfs.h just #include asm-generic/statfs.h directly]] 421 struct vki_statfs { 422 __vki_u32 f_type; 423 __vki_u32 f_bsize; 424 __vki_u32 f_blocks; 425 __vki_u32 f_bfree; 426 __vki_u32 f_bavail; 427 __vki_u32 f_files; 428 __vki_u32 f_ffree; 429 __vki_kernel_fsid_t f_fsid; 430 __vki_u32 f_namelen; 431 __vki_u32 f_frsize; 432 __vki_u32 f_spare[5]; 433 }; 434 435 //---------------------------------------------------------------------- 436 // From linux-2.6.8.1/include/asm-i386/termios.h 437 //---------------------------------------------------------------------- 438 439 struct vki_winsize { 440 unsigned short ws_row; 441 unsigned short ws_col; 442 unsigned short ws_xpixel; 443 unsigned short ws_ypixel; 444 }; 445 446 #define VKI_NCC 8 447 struct vki_termio { 448 unsigned short c_iflag; /* input mode flags */ 449 unsigned short c_oflag; /* output mode flags */ 450 unsigned short c_cflag; /* control mode flags */ 451 unsigned short c_lflag; /* local mode flags */ 452 unsigned char c_line; /* line discipline */ 453 unsigned char c_cc[VKI_NCC]; /* control characters */ 454 }; 455 456 457 //---------------------------------------------------------------------- 458 // From linux-2.6.8.1/include/asm-i386/termbits.h 459 //---------------------------------------------------------------------- 460 461 typedef unsigned char vki_cc_t; 462 typedef unsigned int vki_tcflag_t; 463 464 #define VKI_NCCS 19 465 struct vki_termios { 466 vki_tcflag_t c_iflag; /* input mode flags */ 467 vki_tcflag_t c_oflag; /* output mode flags */ 468 vki_tcflag_t c_cflag; /* control mode flags */ 469 vki_tcflag_t c_lflag; /* local mode flags */ 470 vki_cc_t c_line; /* line discipline */ 471 vki_cc_t c_cc[VKI_NCCS]; /* control characters */ 472 }; 473 474 //---------------------------------------------------------------------- 475 // From linux-2.6.8.1/include/asm-i386/ioctl.h 476 //---------------------------------------------------------------------- 477 478 #define _VKI_IOC_NRBITS 8 479 #define _VKI_IOC_TYPEBITS 8 480 #define _VKI_IOC_SIZEBITS 14 481 #define _VKI_IOC_DIRBITS 2 482 483 #define _VKI_IOC_NRMASK ((1 << _VKI_IOC_NRBITS)-1) 484 #define _VKI_IOC_TYPEMASK ((1 << _VKI_IOC_TYPEBITS)-1) 485 #define _VKI_IOC_SIZEMASK ((1 << _VKI_IOC_SIZEBITS)-1) 486 #define _VKI_IOC_DIRMASK ((1 << _VKI_IOC_DIRBITS)-1) 487 488 #define _VKI_IOC_NRSHIFT 0 489 #define _VKI_IOC_TYPESHIFT (_VKI_IOC_NRSHIFT+_VKI_IOC_NRBITS) 490 #define _VKI_IOC_SIZESHIFT (_VKI_IOC_TYPESHIFT+_VKI_IOC_TYPEBITS) 491 #define _VKI_IOC_DIRSHIFT (_VKI_IOC_SIZESHIFT+_VKI_IOC_SIZEBITS) 492 493 #define _VKI_IOC_NONE 0U 494 #define _VKI_IOC_WRITE 1U 495 #define _VKI_IOC_READ 2U 496 497 #define _VKI_IOC(dir,type,nr,size) \ 498 (((dir) << _VKI_IOC_DIRSHIFT) | \ 499 ((type) << _VKI_IOC_TYPESHIFT) | \ 500 ((nr) << _VKI_IOC_NRSHIFT) | \ 501 ((size) << _VKI_IOC_SIZESHIFT)) 502 503 /* used to create numbers */ 504 #define _VKI_IO(type,nr) _VKI_IOC(_VKI_IOC_NONE,(type),(nr),0) 505 #define _VKI_IOR(type,nr,size) _VKI_IOC(_VKI_IOC_READ,(type),(nr),(_VKI_IOC_TYPECHECK(size))) 506 #define _VKI_IOW(type,nr,size) _VKI_IOC(_VKI_IOC_WRITE,(type),(nr),(_VKI_IOC_TYPECHECK(size))) 507 #define _VKI_IOWR(type,nr,size) _VKI_IOC(_VKI_IOC_READ|_VKI_IOC_WRITE,(type),(nr),(_VKI_IOC_TYPECHECK(size))) 508 509 /* used to decode ioctl numbers.. */ 510 #define _VKI_IOC_DIR(nr) (((nr) >> _VKI_IOC_DIRSHIFT) & _VKI_IOC_DIRMASK) 511 #define _VKI_IOC_TYPE(nr) (((nr) >> _VKI_IOC_TYPESHIFT) & _VKI_IOC_TYPEMASK) 512 #define _VKI_IOC_NR(nr) (((nr) >> _VKI_IOC_NRSHIFT) & _VKI_IOC_NRMASK) 513 #define _VKI_IOC_SIZE(nr) (((nr) >> _VKI_IOC_SIZESHIFT) & _VKI_IOC_SIZEMASK) 514 515 //---------------------------------------------------------------------- 516 // From linux-2.6.8.1/include/asm-i386/ioctls.h 517 //---------------------------------------------------------------------- 518 519 #define VKI_TCGETS 0x5401 520 #define VKI_TCSETS 0x5402 /* Clashes with SNDCTL_TMR_START sound ioctl */ 521 #define VKI_TCSETSW 0x5403 522 #define VKI_TCSETSF 0x5404 523 #define VKI_TCGETA 0x5405 524 #define VKI_TCSETA 0x5406 525 #define VKI_TCSETAW 0x5407 526 #define VKI_TCSETAF 0x5408 527 #define VKI_TCSBRK 0x5409 528 #define VKI_TCXONC 0x540A 529 #define VKI_TCFLSH 0x540B 530 #define VKI_TIOCSCTTY 0x540E 531 #define VKI_TIOCGPGRP 0x540F 532 #define VKI_TIOCSPGRP 0x5410 533 #define VKI_TIOCOUTQ 0x5411 534 #define VKI_TIOCGWINSZ 0x5413 535 #define VKI_TIOCSWINSZ 0x5414 536 #define VKI_TIOCMGET 0x5415 537 #define VKI_TIOCMBIS 0x5416 538 #define VKI_TIOCMBIC 0x5417 539 #define VKI_TIOCMSET 0x5418 540 #define VKI_FIONREAD 0x541B 541 #define VKI_TIOCLINUX 0x541C 542 #define VKI_FIONBIO 0x5421 543 #define VKI_TCSBRKP 0x5425 /* Needed for POSIX tcsendbreak() */ 544 #define VKI_TIOCGPTN _VKI_IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ 545 #define VKI_TIOCSPTLCK _VKI_IOW('T',0x31, int) /* Lock/unlock Pty */ 546 547 #define VKI_FIONCLEX 0x5450 548 #define VKI_FIOCLEX 0x5451 549 #define VKI_FIOASYNC 0x5452 550 #define VKI_TIOCSERGETLSR 0x5459 /* Get line status register */ 551 552 #define VKI_TIOCGICOUNT 0x545D /* read serial port inline interrupt counts */ 553 554 //---------------------------------------------------------------------- 555 // From linux-2.6.8.1/include/asm-i386/poll.h 556 //---------------------------------------------------------------------- 557 558 /* These are specified by iBCS2 */ 559 #define VKI_POLLIN 0x0001 560 561 struct vki_pollfd { 562 int fd; 563 short events; 564 short revents; 565 }; 566 567 //---------------------------------------------------------------------- 568 // From linux-2.6.8.1/include/asm-i386/user.h 569 //---------------------------------------------------------------------- 570 571 struct vki_user_i387_struct { 572 long cwd; 573 long swd; 574 long twd; 575 long fip; 576 long fcs; 577 long foo; 578 long fos; 579 long st_space[20]; /* 8*10 bytes for each FP-reg = 80 bytes */ 580 }; 581 582 struct vki_user_fxsr_struct { 583 unsigned short cwd; 584 unsigned short swd; 585 unsigned short twd; 586 unsigned short fop; 587 long fip; 588 long fcs; 589 long foo; 590 long fos; 591 long mxcsr; 592 long reserved; 593 long st_space[32]; /* 8*16 bytes for each FP-reg = 128 bytes */ 594 long xmm_space[32]; /* 8*16 bytes for each XMM-reg = 128 bytes */ 595 long padding[56]; 596 }; 597 598 /* 599 * This is the old layout of "struct pt_regs", and 600 * is still the layout used by user mode (the new 601 * pt_regs doesn't have all registers as the kernel 602 * doesn't use the extra segment registers) 603 */ 604 struct vki_user_regs_struct { 605 long ebx, ecx, edx, esi, edi, ebp, eax; 606 unsigned short ds, __ds, es, __es; 607 unsigned short fs, __fs, gs, __gs; 608 long orig_eax, eip; 609 unsigned short cs, __cs; 610 long eflags, esp; 611 unsigned short ss, __ss; 612 }; 613 614 //---------------------------------------------------------------------- 615 // From linux-2.6.8.1/include/asm-i386/elf.h 616 //---------------------------------------------------------------------- 617 618 typedef unsigned long vki_elf_greg_t; 619 620 #define VKI_ELF_NGREG (sizeof (struct vki_user_regs_struct) / sizeof(vki_elf_greg_t)) 621 typedef vki_elf_greg_t vki_elf_gregset_t[VKI_ELF_NGREG]; 622 623 typedef struct vki_user_i387_struct vki_elf_fpregset_t; 624 typedef struct vki_user_fxsr_struct vki_elf_fpxregset_t; 625 626 #define VKI_AT_SYSINFO 32 627 628 //---------------------------------------------------------------------- 629 // From linux-2.6.8.1/include/asm-i386/ucontext.h 630 //---------------------------------------------------------------------- 631 632 struct vki_ucontext { 633 unsigned long uc_flags; 634 struct vki_ucontext *uc_link; 635 vki_stack_t uc_stack; 636 struct vki_sigcontext uc_mcontext; 637 vki_sigset_t uc_sigmask; /* mask last for extensibility */ 638 }; 639 640 //---------------------------------------------------------------------- 641 // From linux-2.6.8.1/include/asm-i386/segment.h 642 //---------------------------------------------------------------------- 643 644 #define VKI_GDT_ENTRY_TLS_ENTRIES 3 645 #define VKI_GDT_ENTRY_TLS_MIN 6 646 #define VKI_GDT_ENTRY_TLS_MAX (VKI_GDT_ENTRY_TLS_MIN + VKI_GDT_ENTRY_TLS_ENTRIES - 1) 647 648 //---------------------------------------------------------------------- 649 // From linux-2.6.8.1/include/asm-i386/ldt.h 650 //---------------------------------------------------------------------- 651 652 /* [[Nb: This is the structure passed to the modify_ldt syscall. Just so as 653 to confuse and annoy everyone, this is _not_ the same as an 654 VgLdtEntry and has to be translated into such. The logic for doing 655 so, in vg_ldt.c, is copied from the kernel sources.]] */ 656 struct vki_user_desc { 657 unsigned int entry_number; 658 unsigned long base_addr; 659 unsigned int limit; 660 unsigned int seg_32bit:1; 661 unsigned int contents:2; 662 unsigned int read_exec_only:1; 663 unsigned int limit_in_pages:1; 664 unsigned int seg_not_present:1; 665 unsigned int useable:1; 666 // [[Nb: this field is not in the kernel sources, but it has always 667 // been in the Valgrind sources so I will keep it there in case it's 668 // important... this is an x86-defined data structure so who 669 // knows; maybe it's important to set this field to zero at some 670 // point. --njn]] 671 unsigned int reserved:25; 672 }; 673 674 // [[Nb: for our convenience within Valgrind, use a more specific name]] 675 typedef struct vki_user_desc vki_modify_ldt_t; 676 677 //---------------------------------------------------------------------- 678 // From linux-2.6.8.1/include/asm-i386/ipcbuf.h 679 //---------------------------------------------------------------------- 680 681 struct vki_ipc64_perm 682 { 683 __vki_kernel_key_t key; 684 __vki_kernel_uid32_t uid; 685 __vki_kernel_gid32_t gid; 686 __vki_kernel_uid32_t cuid; 687 __vki_kernel_gid32_t cgid; 688 __vki_kernel_mode_t mode; 689 unsigned short __pad1; 690 unsigned short seq; 691 unsigned short __pad2; 692 unsigned long __unused1; 693 unsigned long __unused2; 694 }; 695 696 //---------------------------------------------------------------------- 697 // From linux-2.6.8.1/include/asm-i386/sembuf.h 698 //---------------------------------------------------------------------- 699 700 struct vki_semid64_ds { 701 struct vki_ipc64_perm sem_perm; /* permissions .. see ipc.h */ 702 __vki_kernel_time_t sem_otime; /* last semop time */ 703 unsigned long __unused1; 704 __vki_kernel_time_t sem_ctime; /* last change time */ 705 unsigned long __unused2; 706 unsigned long sem_nsems; /* no. of semaphores in array */ 707 unsigned long __unused3; 708 unsigned long __unused4; 709 }; 710 711 //---------------------------------------------------------------------- 712 // From linux-2.6.8.1/include/asm-i386/msgbuf.h 713 //---------------------------------------------------------------------- 714 715 struct vki_msqid64_ds { 716 struct vki_ipc64_perm msg_perm; 717 __vki_kernel_time_t msg_stime; /* last msgsnd time */ 718 unsigned long __unused1; 719 __vki_kernel_time_t msg_rtime; /* last msgrcv time */ 720 unsigned long __unused2; 721 __vki_kernel_time_t msg_ctime; /* last change time */ 722 unsigned long __unused3; 723 unsigned long msg_cbytes; /* current number of bytes on queue */ 724 unsigned long msg_qnum; /* number of messages in queue */ 725 unsigned long msg_qbytes; /* max number of bytes on queue */ 726 __vki_kernel_pid_t msg_lspid; /* pid of last msgsnd */ 727 __vki_kernel_pid_t msg_lrpid; /* last receive pid */ 728 unsigned long __unused4; 729 unsigned long __unused5; 730 }; 731 732 //---------------------------------------------------------------------- 733 // From linux-2.6.8.1/include/asm-i386/ipc.h 734 //---------------------------------------------------------------------- 735 736 struct vki_ipc_kludge { 737 struct vki_msgbuf __user *msgp; 738 long msgtyp; 739 }; 740 741 #define VKI_SEMOP 1 742 #define VKI_SEMGET 2 743 #define VKI_SEMCTL 3 744 #define VKI_SEMTIMEDOP 4 745 #define VKI_MSGSND 11 746 #define VKI_MSGRCV 12 747 #define VKI_MSGGET 13 748 #define VKI_MSGCTL 14 749 #define VKI_SHMAT 21 750 #define VKI_SHMDT 22 751 #define VKI_SHMGET 23 752 #define VKI_SHMCTL 24 753 754 755 //---------------------------------------------------------------------- 756 // From linux-2.6.8.1/include/asm-i386/shmbuf.h 757 //---------------------------------------------------------------------- 758 759 struct vki_shmid64_ds { 760 struct vki_ipc64_perm shm_perm; /* operation perms */ 761 vki_size_t shm_segsz; /* size of segment (bytes) */ 762 __vki_kernel_time_t shm_atime; /* last attach time */ 763 unsigned long __unused1; 764 __vki_kernel_time_t shm_dtime; /* last detach time */ 765 unsigned long __unused2; 766 __vki_kernel_time_t shm_ctime; /* last change time */ 767 unsigned long __unused3; 768 __vki_kernel_pid_t shm_cpid; /* pid of creator */ 769 __vki_kernel_pid_t shm_lpid; /* pid of last operator */ 770 unsigned long shm_nattch; /* no. of current attaches */ 771 unsigned long __unused4; 772 unsigned long __unused5; 773 }; 774 775 struct vki_shminfo64 { 776 unsigned long shmmax; 777 unsigned long shmmin; 778 unsigned long shmmni; 779 unsigned long shmseg; 780 unsigned long shmall; 781 unsigned long __unused1; 782 unsigned long __unused2; 783 unsigned long __unused3; 784 unsigned long __unused4; 785 }; 786 787 //---------------------------------------------------------------------- 788 // DRM ioctls 789 //---------------------------------------------------------------------- 790 791 // jrs 20050207: where did all this stuff come from? Is it really 792 // i386 specific, or should it go into the linux-generic category? 793 //struct vki_drm_buf_pub { 794 // Int idx; /**< Index into the master buffer list */ 795 // Int total; /**< Buffer size */ 796 // Int used; /**< Amount of buffer in use (for DMA) */ 797 // void __user *address; /**< Address of buffer */ 798 //}; 799 // 800 //struct vki_drm_buf_map { 801 // Int count; /**< Length of the buffer list */ 802 // void __user *virtual; /**< Mmap'd area in user-virtual */ 803 // struct vki_drm_buf_pub __user *list; /**< Buffer information */ 804 //}; 805 // 806 ///* We need to pay attention to this, because it mmaps memory */ 807 //#define VKI_DRM_IOCTL_MAP_BUFS _VKI_IOWR('d', 0x19, struct vki_drm_buf_map) 808 809 //---------------------------------------------------------------------- 810 // From linux-2.6.9/include/asm-i386/ptrace.h 811 //---------------------------------------------------------------------- 812 813 #define VKI_PTRACE_GETREGS 12 814 #define VKI_PTRACE_SETREGS 13 815 #define VKI_PTRACE_GETFPREGS 14 816 #define VKI_PTRACE_SETFPREGS 15 817 #define VKI_PTRACE_GETFPXREGS 18 818 #define VKI_PTRACE_SETFPXREGS 19 819 #define VKI_PTRACE_GET_THREAD_AREA 25 820 #define VKI_PTRACE_SET_THREAD_AREA 26 821 822 //---------------------------------------------------------------------- 823 // From linux-2.6.15.4/include/asm-i386/vm86.h 824 //---------------------------------------------------------------------- 825 826 #define VKI_VM86_PLUS_INSTALL_CHECK 0 827 #define VKI_VM86_ENTER 1 828 #define VKI_VM86_ENTER_NO_BYPASS 2 829 #define VKI_VM86_REQUEST_IRQ 3 830 #define VKI_VM86_FREE_IRQ 4 831 #define VKI_VM86_GET_IRQ_BITS 5 832 #define VKI_VM86_GET_AND_RESET_IRQ 6 833 834 struct vki_vm86_regs { 835 /* 836 * normal regs, with special meaning for the segment descriptors.. 837 */ 838 long ebx; 839 long ecx; 840 long edx; 841 long esi; 842 long edi; 843 long ebp; 844 long eax; 845 long __null_ds; 846 long __null_es; 847 long __null_fs; 848 long __null_gs; 849 long orig_eax; 850 long eip; 851 unsigned short cs, __csh; 852 long eflags; 853 long esp; 854 unsigned short ss, __ssh; 855 /* 856 * these are specific to v86 mode: 857 */ 858 unsigned short es, __esh; 859 unsigned short ds, __dsh; 860 unsigned short fs, __fsh; 861 unsigned short gs, __gsh; 862 }; 863 864 struct vki_revectored_struct { 865 unsigned long __map[8]; /* 256 bits */ 866 }; 867 868 struct vki_vm86_struct { 869 struct vki_vm86_regs regs; 870 unsigned long flags; 871 unsigned long screen_bitmap; 872 unsigned long cpu_type; 873 struct vki_revectored_struct int_revectored; 874 struct vki_revectored_struct int21_revectored; 875 }; 876 877 struct vki_vm86plus_info_struct { 878 unsigned long force_return_for_pic:1; 879 unsigned long vm86dbg_active:1; /* for debugger */ 880 unsigned long vm86dbg_TFpendig:1; /* for debugger */ 881 unsigned long unused:28; 882 unsigned long is_vm86pus:1; /* for vm86 internal use */ 883 unsigned char vm86dbg_intxxtab[32]; /* for debugger */ 884 }; 885 886 struct vki_vm86plus_struct { 887 struct vki_vm86_regs regs; 888 unsigned long flags; 889 unsigned long screen_bitmap; 890 unsigned long cpu_type; 891 struct vki_revectored_struct int_revectored; 892 struct vki_revectored_struct int21_revectored; 893 struct vki_vm86plus_info_struct vm86plus; 894 }; 895 896 //---------------------------------------------------------------------- 897 // From linux-2.6.8.1/include/asm-generic/errno.h 898 //---------------------------------------------------------------------- 899 900 #define VKI_ENOSYS 38 /* Function not implemented */ 901 #define VKI_EOVERFLOW 75 /* Value too large for defined data type */ 902 903 //---------------------------------------------------------------------- 904 // And that's it! 905 //---------------------------------------------------------------------- 906 907 #endif // __VKI_X86_LINUX_H 908 909 /*--------------------------------------------------------------------*/ 910 /*--- end ---*/ 911 /*--------------------------------------------------------------------*/ 912