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 (at) 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_RDONLY 00 282 #define VKI_O_WRONLY 01 283 #define VKI_O_RDWR 02 284 #define VKI_O_CREAT 0100 /* not fcntl */ 285 #define VKI_O_EXCL 0200 /* not fcntl */ 286 #define VKI_O_TRUNC 01000 /* not fcntl */ 287 #define VKI_O_APPEND 02000 288 #define VKI_O_NONBLOCK 04000 289 #define VKI_O_LARGEFILE 0100000 290 291 #define VKI_AT_FDCWD -100 292 293 #define VKI_F_DUPFD 0 /* dup */ 294 #define VKI_F_GETFD 1 /* get close_on_exec */ 295 #define VKI_F_SETFD 2 /* set/clear close_on_exec */ 296 #define VKI_F_GETFL 3 /* get file->f_flags */ 297 #define VKI_F_SETFL 4 /* set file->f_flags */ 298 #define VKI_F_GETLK 5 299 #define VKI_F_SETLK 6 300 #define VKI_F_SETLKW 7 301 302 #define VKI_F_SETOWN 8 /* for sockets. */ 303 #define VKI_F_GETOWN 9 /* for sockets. */ 304 #define VKI_F_SETSIG 10 /* for sockets. */ 305 #define VKI_F_GETSIG 11 /* for sockets. */ 306 307 #define VKI_F_GETLK64 12 /* using 'struct flock64' */ 308 #define VKI_F_SETLK64 13 309 #define VKI_F_SETLKW64 14 310 311 /* for F_[GET|SET]FL */ 312 #define VKI_FD_CLOEXEC 1 /* actually anything with low bit set goes */ 313 314 #define VKI_F_LINUX_SPECIFIC_BASE 1024 315 316 //---------------------------------------------------------------------- 317 // From linux-2.6.8.1/include/asm-i386/resource.h 318 //---------------------------------------------------------------------- 319 320 #define VKI_RLIMIT_DATA 2 /* max data size */ 321 #define VKI_RLIMIT_STACK 3 /* max stack size */ 322 #define VKI_RLIMIT_CORE 4 /* max core file size */ 323 #define VKI_RLIMIT_NOFILE 7 /* max number of open files */ 324 325 //---------------------------------------------------------------------- 326 // From linux-2.6.8.1/include/asm-i386/socket.h 327 //---------------------------------------------------------------------- 328 329 #define VKI_SOL_SOCKET 1 330 331 #define VKI_SO_TYPE 3 332 333 //---------------------------------------------------------------------- 334 // From linux-2.6.8.1/include/asm-i386/sockios.h 335 //---------------------------------------------------------------------- 336 337 #define VKI_SIOCSPGRP 0x8902 338 #define VKI_SIOCGPGRP 0x8904 339 #define VKI_SIOCGSTAMP 0x8906 /* Get stamp (timeval) */ 340 #define VKI_SIOCGSTAMPNS 0x8907 /* Get stamp (timespec) */ 341 342 //---------------------------------------------------------------------- 343 // From linux-2.6.8.1/include/asm-i386/stat.h 344 //---------------------------------------------------------------------- 345 346 struct vki_stat { 347 unsigned long st_dev; 348 unsigned long st_ino; 349 unsigned short st_mode; 350 unsigned short st_nlink; 351 unsigned short st_uid; 352 unsigned short st_gid; 353 unsigned long st_rdev; 354 unsigned long st_size; 355 unsigned long st_blksize; 356 unsigned long st_blocks; 357 unsigned long st_atime; 358 unsigned long st_atime_nsec; 359 unsigned long st_mtime; 360 unsigned long st_mtime_nsec; 361 unsigned long st_ctime; 362 unsigned long st_ctime_nsec; 363 unsigned long __unused4; 364 unsigned long __unused5; 365 }; 366 367 struct vki_stat64 { 368 unsigned long long st_dev; 369 unsigned char __pad0[4]; 370 371 #define STAT64_HAS_BROKEN_ST_INO 1 372 unsigned long __st_ino; 373 374 unsigned int st_mode; 375 unsigned int st_nlink; 376 377 unsigned long st_uid; 378 unsigned long st_gid; 379 380 unsigned long long st_rdev; 381 unsigned char __pad3[4]; 382 383 long long st_size; 384 unsigned long st_blksize; 385 386 unsigned long st_blocks; /* Number 512-byte blocks allocated. */ 387 unsigned long __pad4; /* future possible st_blocks high bits */ 388 389 unsigned long st_atime; 390 unsigned long st_atime_nsec; 391 392 unsigned long st_mtime; 393 unsigned int st_mtime_nsec; 394 395 unsigned long st_ctime; 396 unsigned long st_ctime_nsec; 397 398 unsigned long long st_ino; 399 }; 400 401 //---------------------------------------------------------------------- 402 // From linux-2.6.8.1/include/asm-i386/statfs.h 403 //---------------------------------------------------------------------- 404 405 // [[Nb: asm-i386/statfs.h just #include asm-generic/statfs.h directly]] 406 struct vki_statfs { 407 __vki_u32 f_type; 408 __vki_u32 f_bsize; 409 __vki_u32 f_blocks; 410 __vki_u32 f_bfree; 411 __vki_u32 f_bavail; 412 __vki_u32 f_files; 413 __vki_u32 f_ffree; 414 __vki_kernel_fsid_t f_fsid; 415 __vki_u32 f_namelen; 416 __vki_u32 f_frsize; 417 __vki_u32 f_spare[5]; 418 }; 419 420 //---------------------------------------------------------------------- 421 // From linux-2.6.8.1/include/asm-i386/termios.h 422 //---------------------------------------------------------------------- 423 424 struct vki_winsize { 425 unsigned short ws_row; 426 unsigned short ws_col; 427 unsigned short ws_xpixel; 428 unsigned short ws_ypixel; 429 }; 430 431 #define VKI_NCC 8 432 struct vki_termio { 433 unsigned short c_iflag; /* input mode flags */ 434 unsigned short c_oflag; /* output mode flags */ 435 unsigned short c_cflag; /* control mode flags */ 436 unsigned short c_lflag; /* local mode flags */ 437 unsigned char c_line; /* line discipline */ 438 unsigned char c_cc[VKI_NCC]; /* control characters */ 439 }; 440 441 442 //---------------------------------------------------------------------- 443 // From linux-2.6.8.1/include/asm-i386/termbits.h 444 //---------------------------------------------------------------------- 445 446 typedef unsigned char vki_cc_t; 447 typedef unsigned int vki_tcflag_t; 448 449 #define VKI_NCCS 19 450 struct vki_termios { 451 vki_tcflag_t c_iflag; /* input mode flags */ 452 vki_tcflag_t c_oflag; /* output mode flags */ 453 vki_tcflag_t c_cflag; /* control mode flags */ 454 vki_tcflag_t c_lflag; /* local mode flags */ 455 vki_cc_t c_line; /* line discipline */ 456 vki_cc_t c_cc[VKI_NCCS]; /* control characters */ 457 }; 458 459 //---------------------------------------------------------------------- 460 // From linux-2.6.8.1/include/asm-i386/ioctl.h 461 //---------------------------------------------------------------------- 462 463 #define _VKI_IOC_NRBITS 8 464 #define _VKI_IOC_TYPEBITS 8 465 #define _VKI_IOC_SIZEBITS 14 466 #define _VKI_IOC_DIRBITS 2 467 468 #define _VKI_IOC_NRMASK ((1 << _VKI_IOC_NRBITS)-1) 469 #define _VKI_IOC_TYPEMASK ((1 << _VKI_IOC_TYPEBITS)-1) 470 #define _VKI_IOC_SIZEMASK ((1 << _VKI_IOC_SIZEBITS)-1) 471 #define _VKI_IOC_DIRMASK ((1 << _VKI_IOC_DIRBITS)-1) 472 473 #define _VKI_IOC_NRSHIFT 0 474 #define _VKI_IOC_TYPESHIFT (_VKI_IOC_NRSHIFT+_VKI_IOC_NRBITS) 475 #define _VKI_IOC_SIZESHIFT (_VKI_IOC_TYPESHIFT+_VKI_IOC_TYPEBITS) 476 #define _VKI_IOC_DIRSHIFT (_VKI_IOC_SIZESHIFT+_VKI_IOC_SIZEBITS) 477 478 #define _VKI_IOC_NONE 0U 479 #define _VKI_IOC_WRITE 1U 480 #define _VKI_IOC_READ 2U 481 482 #define _VKI_IOC(dir,type,nr,size) \ 483 (((dir) << _VKI_IOC_DIRSHIFT) | \ 484 ((type) << _VKI_IOC_TYPESHIFT) | \ 485 ((nr) << _VKI_IOC_NRSHIFT) | \ 486 ((size) << _VKI_IOC_SIZESHIFT)) 487 488 /* used to create numbers */ 489 #define _VKI_IO(type,nr) _VKI_IOC(_VKI_IOC_NONE,(type),(nr),0) 490 #define _VKI_IOR(type,nr,size) _VKI_IOC(_VKI_IOC_READ,(type),(nr),(_VKI_IOC_TYPECHECK(size))) 491 #define _VKI_IOW(type,nr,size) _VKI_IOC(_VKI_IOC_WRITE,(type),(nr),(_VKI_IOC_TYPECHECK(size))) 492 #define _VKI_IOWR(type,nr,size) _VKI_IOC(_VKI_IOC_READ|_VKI_IOC_WRITE,(type),(nr),(_VKI_IOC_TYPECHECK(size))) 493 494 /* used to decode ioctl numbers.. */ 495 #define _VKI_IOC_DIR(nr) (((nr) >> _VKI_IOC_DIRSHIFT) & _VKI_IOC_DIRMASK) 496 #define _VKI_IOC_TYPE(nr) (((nr) >> _VKI_IOC_TYPESHIFT) & _VKI_IOC_TYPEMASK) 497 #define _VKI_IOC_NR(nr) (((nr) >> _VKI_IOC_NRSHIFT) & _VKI_IOC_NRMASK) 498 #define _VKI_IOC_SIZE(nr) (((nr) >> _VKI_IOC_SIZESHIFT) & _VKI_IOC_SIZEMASK) 499 500 //---------------------------------------------------------------------- 501 // From linux-2.6.8.1/include/asm-i386/ioctls.h 502 //---------------------------------------------------------------------- 503 504 #define VKI_TCGETS 0x5401 505 #define VKI_TCSETS 0x5402 /* Clashes with SNDCTL_TMR_START sound ioctl */ 506 #define VKI_TCSETSW 0x5403 507 #define VKI_TCSETSF 0x5404 508 #define VKI_TCGETA 0x5405 509 #define VKI_TCSETA 0x5406 510 #define VKI_TCSETAW 0x5407 511 #define VKI_TCSETAF 0x5408 512 #define VKI_TCSBRK 0x5409 513 #define VKI_TCXONC 0x540A 514 #define VKI_TCFLSH 0x540B 515 #define VKI_TIOCSCTTY 0x540E 516 #define VKI_TIOCGPGRP 0x540F 517 #define VKI_TIOCSPGRP 0x5410 518 #define VKI_TIOCOUTQ 0x5411 519 #define VKI_TIOCGWINSZ 0x5413 520 #define VKI_TIOCSWINSZ 0x5414 521 #define VKI_TIOCMGET 0x5415 522 #define VKI_TIOCMBIS 0x5416 523 #define VKI_TIOCMBIC 0x5417 524 #define VKI_TIOCMSET 0x5418 525 #define VKI_FIONREAD 0x541B 526 #define VKI_TIOCLINUX 0x541C 527 #define VKI_FIONBIO 0x5421 528 #define VKI_TCSBRKP 0x5425 /* Needed for POSIX tcsendbreak() */ 529 #define VKI_TIOCGPTN _VKI_IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ 530 #define VKI_TIOCSPTLCK _VKI_IOW('T',0x31, int) /* Lock/unlock Pty */ 531 532 #define VKI_FIOASYNC 0x5452 533 #define VKI_TIOCSERGETLSR 0x5459 /* Get line status register */ 534 535 #define VKI_TIOCGICOUNT 0x545D /* read serial port inline interrupt counts */ 536 537 //---------------------------------------------------------------------- 538 // From linux-2.6.8.1/include/asm-i386/poll.h 539 //---------------------------------------------------------------------- 540 541 /* These are specified by iBCS2 */ 542 #define VKI_POLLIN 0x0001 543 544 struct vki_pollfd { 545 int fd; 546 short events; 547 short revents; 548 }; 549 550 //---------------------------------------------------------------------- 551 // From linux-2.6.8.1/include/asm-i386/user.h 552 //---------------------------------------------------------------------- 553 554 struct vki_user_i387_struct { 555 long cwd; 556 long swd; 557 long twd; 558 long fip; 559 long fcs; 560 long foo; 561 long fos; 562 long st_space[20]; /* 8*10 bytes for each FP-reg = 80 bytes */ 563 }; 564 565 struct vki_user_fxsr_struct { 566 unsigned short cwd; 567 unsigned short swd; 568 unsigned short twd; 569 unsigned short fop; 570 long fip; 571 long fcs; 572 long foo; 573 long fos; 574 long mxcsr; 575 long reserved; 576 long st_space[32]; /* 8*16 bytes for each FP-reg = 128 bytes */ 577 long xmm_space[32]; /* 8*16 bytes for each XMM-reg = 128 bytes */ 578 long padding[56]; 579 }; 580 581 /* 582 * This is the old layout of "struct pt_regs", and 583 * is still the layout used by user mode (the new 584 * pt_regs doesn't have all registers as the kernel 585 * doesn't use the extra segment registers) 586 */ 587 struct vki_user_regs_struct { 588 long ebx, ecx, edx, esi, edi, ebp, eax; 589 unsigned short ds, __ds, es, __es; 590 unsigned short fs, __fs, gs, __gs; 591 long orig_eax, eip; 592 unsigned short cs, __cs; 593 long eflags, esp; 594 unsigned short ss, __ss; 595 }; 596 597 //---------------------------------------------------------------------- 598 // From linux-2.6.8.1/include/asm-i386/elf.h 599 //---------------------------------------------------------------------- 600 601 typedef unsigned long vki_elf_greg_t; 602 603 #define VKI_ELF_NGREG (sizeof (struct vki_user_regs_struct) / sizeof(vki_elf_greg_t)) 604 typedef vki_elf_greg_t vki_elf_gregset_t[VKI_ELF_NGREG]; 605 606 typedef struct vki_user_i387_struct vki_elf_fpregset_t; 607 typedef struct vki_user_fxsr_struct vki_elf_fpxregset_t; 608 609 #define VKI_AT_SYSINFO 32 610 611 //---------------------------------------------------------------------- 612 // From linux-2.6.8.1/include/asm-i386/ucontext.h 613 //---------------------------------------------------------------------- 614 615 struct vki_ucontext { 616 unsigned long uc_flags; 617 struct vki_ucontext *uc_link; 618 vki_stack_t uc_stack; 619 struct vki_sigcontext uc_mcontext; 620 vki_sigset_t uc_sigmask; /* mask last for extensibility */ 621 }; 622 623 //---------------------------------------------------------------------- 624 // From linux-2.6.8.1/include/asm-i386/segment.h 625 //---------------------------------------------------------------------- 626 627 #define VKI_GDT_ENTRY_TLS_ENTRIES 3 628 #define VKI_GDT_ENTRY_TLS_MIN 6 629 #define VKI_GDT_ENTRY_TLS_MAX (VKI_GDT_ENTRY_TLS_MIN + VKI_GDT_ENTRY_TLS_ENTRIES - 1) 630 631 //---------------------------------------------------------------------- 632 // From linux-2.6.8.1/include/asm-i386/ldt.h 633 //---------------------------------------------------------------------- 634 635 /* [[Nb: This is the structure passed to the modify_ldt syscall. Just so as 636 to confuse and annoy everyone, this is _not_ the same as an 637 VgLdtEntry and has to be translated into such. The logic for doing 638 so, in vg_ldt.c, is copied from the kernel sources.]] */ 639 struct vki_user_desc { 640 unsigned int entry_number; 641 unsigned long base_addr; 642 unsigned int limit; 643 unsigned int seg_32bit:1; 644 unsigned int contents:2; 645 unsigned int read_exec_only:1; 646 unsigned int limit_in_pages:1; 647 unsigned int seg_not_present:1; 648 unsigned int useable:1; 649 // [[Nb: this field is not in the kernel sources, but it has always 650 // been in the Valgrind sources so I will keep it there in case it's 651 // important... this is an x86-defined data structure so who 652 // knows; maybe it's important to set this field to zero at some 653 // point. --njn]] 654 unsigned int reserved:25; 655 }; 656 657 // [[Nb: for our convenience within Valgrind, use a more specific name]] 658 typedef struct vki_user_desc vki_modify_ldt_t; 659 660 //---------------------------------------------------------------------- 661 // From linux-2.6.8.1/include/asm-i386/ipcbuf.h 662 //---------------------------------------------------------------------- 663 664 struct vki_ipc64_perm 665 { 666 __vki_kernel_key_t key; 667 __vki_kernel_uid32_t uid; 668 __vki_kernel_gid32_t gid; 669 __vki_kernel_uid32_t cuid; 670 __vki_kernel_gid32_t cgid; 671 __vki_kernel_mode_t mode; 672 unsigned short __pad1; 673 unsigned short seq; 674 unsigned short __pad2; 675 unsigned long __unused1; 676 unsigned long __unused2; 677 }; 678 679 //---------------------------------------------------------------------- 680 // From linux-2.6.8.1/include/asm-i386/sembuf.h 681 //---------------------------------------------------------------------- 682 683 struct vki_semid64_ds { 684 struct vki_ipc64_perm sem_perm; /* permissions .. see ipc.h */ 685 __vki_kernel_time_t sem_otime; /* last semop time */ 686 unsigned long __unused1; 687 __vki_kernel_time_t sem_ctime; /* last change time */ 688 unsigned long __unused2; 689 unsigned long sem_nsems; /* no. of semaphores in array */ 690 unsigned long __unused3; 691 unsigned long __unused4; 692 }; 693 694 //---------------------------------------------------------------------- 695 // From linux-2.6.8.1/include/asm-i386/msgbuf.h 696 //---------------------------------------------------------------------- 697 698 struct vki_msqid64_ds { 699 struct vki_ipc64_perm msg_perm; 700 __vki_kernel_time_t msg_stime; /* last msgsnd time */ 701 unsigned long __unused1; 702 __vki_kernel_time_t msg_rtime; /* last msgrcv time */ 703 unsigned long __unused2; 704 __vki_kernel_time_t msg_ctime; /* last change time */ 705 unsigned long __unused3; 706 unsigned long msg_cbytes; /* current number of bytes on queue */ 707 unsigned long msg_qnum; /* number of messages in queue */ 708 unsigned long msg_qbytes; /* max number of bytes on queue */ 709 __vki_kernel_pid_t msg_lspid; /* pid of last msgsnd */ 710 __vki_kernel_pid_t msg_lrpid; /* last receive pid */ 711 unsigned long __unused4; 712 unsigned long __unused5; 713 }; 714 715 //---------------------------------------------------------------------- 716 // From linux-2.6.8.1/include/asm-i386/ipc.h 717 //---------------------------------------------------------------------- 718 719 struct vki_ipc_kludge { 720 struct vki_msgbuf __user *msgp; 721 long msgtyp; 722 }; 723 724 #define VKI_SEMOP 1 725 #define VKI_SEMGET 2 726 #define VKI_SEMCTL 3 727 #define VKI_SEMTIMEDOP 4 728 #define VKI_MSGSND 11 729 #define VKI_MSGRCV 12 730 #define VKI_MSGGET 13 731 #define VKI_MSGCTL 14 732 #define VKI_SHMAT 21 733 #define VKI_SHMDT 22 734 #define VKI_SHMGET 23 735 #define VKI_SHMCTL 24 736 737 738 //---------------------------------------------------------------------- 739 // From linux-2.6.8.1/include/asm-i386/shmbuf.h 740 //---------------------------------------------------------------------- 741 742 struct vki_shmid64_ds { 743 struct vki_ipc64_perm shm_perm; /* operation perms */ 744 vki_size_t shm_segsz; /* size of segment (bytes) */ 745 __vki_kernel_time_t shm_atime; /* last attach time */ 746 unsigned long __unused1; 747 __vki_kernel_time_t shm_dtime; /* last detach time */ 748 unsigned long __unused2; 749 __vki_kernel_time_t shm_ctime; /* last change time */ 750 unsigned long __unused3; 751 __vki_kernel_pid_t shm_cpid; /* pid of creator */ 752 __vki_kernel_pid_t shm_lpid; /* pid of last operator */ 753 unsigned long shm_nattch; /* no. of current attaches */ 754 unsigned long __unused4; 755 unsigned long __unused5; 756 }; 757 758 struct vki_shminfo64 { 759 unsigned long shmmax; 760 unsigned long shmmin; 761 unsigned long shmmni; 762 unsigned long shmseg; 763 unsigned long shmall; 764 unsigned long __unused1; 765 unsigned long __unused2; 766 unsigned long __unused3; 767 unsigned long __unused4; 768 }; 769 770 //---------------------------------------------------------------------- 771 // DRM ioctls 772 //---------------------------------------------------------------------- 773 774 // jrs 20050207: where did all this stuff come from? Is it really 775 // i386 specific, or should it go into the linux-generic category? 776 //struct vki_drm_buf_pub { 777 // Int idx; /**< Index into the master buffer list */ 778 // Int total; /**< Buffer size */ 779 // Int used; /**< Amount of buffer in use (for DMA) */ 780 // void __user *address; /**< Address of buffer */ 781 //}; 782 // 783 //struct vki_drm_buf_map { 784 // Int count; /**< Length of the buffer list */ 785 // void __user *virtual; /**< Mmap'd area in user-virtual */ 786 // struct vki_drm_buf_pub __user *list; /**< Buffer information */ 787 //}; 788 // 789 ///* We need to pay attention to this, because it mmaps memory */ 790 //#define VKI_DRM_IOCTL_MAP_BUFS _VKI_IOWR('d', 0x19, struct vki_drm_buf_map) 791 792 //---------------------------------------------------------------------- 793 // From linux-2.6.9/include/asm-i386/ptrace.h 794 //---------------------------------------------------------------------- 795 796 #define VKI_PTRACE_GETREGS 12 797 #define VKI_PTRACE_SETREGS 13 798 #define VKI_PTRACE_GETFPREGS 14 799 #define VKI_PTRACE_SETFPREGS 15 800 #define VKI_PTRACE_GETFPXREGS 18 801 #define VKI_PTRACE_SETFPXREGS 19 802 803 //---------------------------------------------------------------------- 804 // From linux-2.6.15.4/include/asm-i386/vm86.h 805 //---------------------------------------------------------------------- 806 807 #define VKI_VM86_PLUS_INSTALL_CHECK 0 808 #define VKI_VM86_ENTER 1 809 #define VKI_VM86_ENTER_NO_BYPASS 2 810 #define VKI_VM86_REQUEST_IRQ 3 811 #define VKI_VM86_FREE_IRQ 4 812 #define VKI_VM86_GET_IRQ_BITS 5 813 #define VKI_VM86_GET_AND_RESET_IRQ 6 814 815 struct vki_vm86_regs { 816 /* 817 * normal regs, with special meaning for the segment descriptors.. 818 */ 819 long ebx; 820 long ecx; 821 long edx; 822 long esi; 823 long edi; 824 long ebp; 825 long eax; 826 long __null_ds; 827 long __null_es; 828 long __null_fs; 829 long __null_gs; 830 long orig_eax; 831 long eip; 832 unsigned short cs, __csh; 833 long eflags; 834 long esp; 835 unsigned short ss, __ssh; 836 /* 837 * these are specific to v86 mode: 838 */ 839 unsigned short es, __esh; 840 unsigned short ds, __dsh; 841 unsigned short fs, __fsh; 842 unsigned short gs, __gsh; 843 }; 844 845 struct vki_revectored_struct { 846 unsigned long __map[8]; /* 256 bits */ 847 }; 848 849 struct vki_vm86_struct { 850 struct vki_vm86_regs regs; 851 unsigned long flags; 852 unsigned long screen_bitmap; 853 unsigned long cpu_type; 854 struct vki_revectored_struct int_revectored; 855 struct vki_revectored_struct int21_revectored; 856 }; 857 858 struct vki_vm86plus_info_struct { 859 unsigned long force_return_for_pic:1; 860 unsigned long vm86dbg_active:1; /* for debugger */ 861 unsigned long vm86dbg_TFpendig:1; /* for debugger */ 862 unsigned long unused:28; 863 unsigned long is_vm86pus:1; /* for vm86 internal use */ 864 unsigned char vm86dbg_intxxtab[32]; /* for debugger */ 865 }; 866 867 struct vki_vm86plus_struct { 868 struct vki_vm86_regs regs; 869 unsigned long flags; 870 unsigned long screen_bitmap; 871 unsigned long cpu_type; 872 struct vki_revectored_struct int_revectored; 873 struct vki_revectored_struct int21_revectored; 874 struct vki_vm86plus_info_struct vm86plus; 875 }; 876 877 //---------------------------------------------------------------------- 878 // And that's it! 879 //---------------------------------------------------------------------- 880 881 #endif // __VKI_X86_LINUX_H 882 883 /*--------------------------------------------------------------------*/ 884 /*--- end ---*/ 885 /*--------------------------------------------------------------------*/ 886
