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) 2000-2012 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 #define VKI_F_SETOWN_EX 15 312 #define VKI_F_GETOWN_EX 16 313 314 #define VKI_F_OWNER_TID 0 315 #define VKI_F_OWNER_PID 1 316 #define VKI_F_OWNER_PGRP 2 317 318 struct vki_f_owner_ex { 319 int type; 320 __vki_kernel_pid_t pid; 321 }; 322 323 /* for F_[GET|SET]FL */ 324 #define VKI_FD_CLOEXEC 1 /* actually anything with low bit set goes */ 325 326 #define VKI_F_LINUX_SPECIFIC_BASE 1024 327 328 //---------------------------------------------------------------------- 329 // From linux-2.6.8.1/include/asm-i386/resource.h 330 //---------------------------------------------------------------------- 331 332 #define VKI_RLIMIT_DATA 2 /* max data size */ 333 #define VKI_RLIMIT_STACK 3 /* max stack size */ 334 #define VKI_RLIMIT_CORE 4 /* max core file size */ 335 #define VKI_RLIMIT_NOFILE 7 /* max number of open files */ 336 337 //---------------------------------------------------------------------- 338 // From linux-2.6.8.1/include/asm-i386/socket.h 339 //---------------------------------------------------------------------- 340 341 #define VKI_SOL_SOCKET 1 342 343 #define VKI_SO_TYPE 3 344 345 //---------------------------------------------------------------------- 346 // From linux-2.6.8.1/include/asm-i386/sockios.h 347 //---------------------------------------------------------------------- 348 349 #define VKI_SIOCSPGRP 0x8902 350 #define VKI_SIOCGPGRP 0x8904 351 #define VKI_SIOCGSTAMP 0x8906 /* Get stamp (timeval) */ 352 #define VKI_SIOCGSTAMPNS 0x8907 /* Get stamp (timespec) */ 353 354 //---------------------------------------------------------------------- 355 // From linux-2.6.8.1/include/asm-i386/stat.h 356 //---------------------------------------------------------------------- 357 358 struct vki_stat { 359 unsigned long st_dev; 360 unsigned long st_ino; 361 unsigned short st_mode; 362 unsigned short st_nlink; 363 unsigned short st_uid; 364 unsigned short st_gid; 365 unsigned long st_rdev; 366 unsigned long st_size; 367 unsigned long st_blksize; 368 unsigned long st_blocks; 369 unsigned long st_atime; 370 unsigned long st_atime_nsec; 371 unsigned long st_mtime; 372 unsigned long st_mtime_nsec; 373 unsigned long st_ctime; 374 unsigned long st_ctime_nsec; 375 unsigned long __unused4; 376 unsigned long __unused5; 377 }; 378 379 struct vki_stat64 { 380 unsigned long long st_dev; 381 unsigned char __pad0[4]; 382 383 #define STAT64_HAS_BROKEN_ST_INO 1 384 unsigned long __st_ino; 385 386 unsigned int st_mode; 387 unsigned int st_nlink; 388 389 unsigned long st_uid; 390 unsigned long st_gid; 391 392 unsigned long long st_rdev; 393 unsigned char __pad3[4]; 394 395 long long st_size; 396 unsigned long st_blksize; 397 398 unsigned long st_blocks; /* Number 512-byte blocks allocated. */ 399 unsigned long __pad4; /* future possible st_blocks high bits */ 400 401 unsigned long st_atime; 402 unsigned long st_atime_nsec; 403 404 unsigned long st_mtime; 405 unsigned int st_mtime_nsec; 406 407 unsigned long st_ctime; 408 unsigned long st_ctime_nsec; 409 410 unsigned long long st_ino; 411 }; 412 413 //---------------------------------------------------------------------- 414 // From linux-2.6.8.1/include/asm-i386/statfs.h 415 //---------------------------------------------------------------------- 416 417 // [[Nb: asm-i386/statfs.h just #include asm-generic/statfs.h directly]] 418 struct vki_statfs { 419 __vki_u32 f_type; 420 __vki_u32 f_bsize; 421 __vki_u32 f_blocks; 422 __vki_u32 f_bfree; 423 __vki_u32 f_bavail; 424 __vki_u32 f_files; 425 __vki_u32 f_ffree; 426 __vki_kernel_fsid_t f_fsid; 427 __vki_u32 f_namelen; 428 __vki_u32 f_frsize; 429 __vki_u32 f_spare[5]; 430 }; 431 432 //---------------------------------------------------------------------- 433 // From linux-2.6.8.1/include/asm-i386/termios.h 434 //---------------------------------------------------------------------- 435 436 struct vki_winsize { 437 unsigned short ws_row; 438 unsigned short ws_col; 439 unsigned short ws_xpixel; 440 unsigned short ws_ypixel; 441 }; 442 443 #define VKI_NCC 8 444 struct vki_termio { 445 unsigned short c_iflag; /* input mode flags */ 446 unsigned short c_oflag; /* output mode flags */ 447 unsigned short c_cflag; /* control mode flags */ 448 unsigned short c_lflag; /* local mode flags */ 449 unsigned char c_line; /* line discipline */ 450 unsigned char c_cc[VKI_NCC]; /* control characters */ 451 }; 452 453 454 //---------------------------------------------------------------------- 455 // From linux-2.6.8.1/include/asm-i386/termbits.h 456 //---------------------------------------------------------------------- 457 458 typedef unsigned char vki_cc_t; 459 typedef unsigned int vki_tcflag_t; 460 461 #define VKI_NCCS 19 462 struct vki_termios { 463 vki_tcflag_t c_iflag; /* input mode flags */ 464 vki_tcflag_t c_oflag; /* output mode flags */ 465 vki_tcflag_t c_cflag; /* control mode flags */ 466 vki_tcflag_t c_lflag; /* local mode flags */ 467 vki_cc_t c_line; /* line discipline */ 468 vki_cc_t c_cc[VKI_NCCS]; /* control characters */ 469 }; 470 471 //---------------------------------------------------------------------- 472 // From linux-2.6.8.1/include/asm-i386/ioctl.h 473 //---------------------------------------------------------------------- 474 475 #define _VKI_IOC_NRBITS 8 476 #define _VKI_IOC_TYPEBITS 8 477 #define _VKI_IOC_SIZEBITS 14 478 #define _VKI_IOC_DIRBITS 2 479 480 #define _VKI_IOC_NRMASK ((1 << _VKI_IOC_NRBITS)-1) 481 #define _VKI_IOC_TYPEMASK ((1 << _VKI_IOC_TYPEBITS)-1) 482 #define _VKI_IOC_SIZEMASK ((1 << _VKI_IOC_SIZEBITS)-1) 483 #define _VKI_IOC_DIRMASK ((1 << _VKI_IOC_DIRBITS)-1) 484 485 #define _VKI_IOC_NRSHIFT 0 486 #define _VKI_IOC_TYPESHIFT (_VKI_IOC_NRSHIFT+_VKI_IOC_NRBITS) 487 #define _VKI_IOC_SIZESHIFT (_VKI_IOC_TYPESHIFT+_VKI_IOC_TYPEBITS) 488 #define _VKI_IOC_DIRSHIFT (_VKI_IOC_SIZESHIFT+_VKI_IOC_SIZEBITS) 489 490 #define _VKI_IOC_NONE 0U 491 #define _VKI_IOC_WRITE 1U 492 #define _VKI_IOC_READ 2U 493 494 #define _VKI_IOC(dir,type,nr,size) \ 495 (((dir) << _VKI_IOC_DIRSHIFT) | \ 496 ((type) << _VKI_IOC_TYPESHIFT) | \ 497 ((nr) << _VKI_IOC_NRSHIFT) | \ 498 ((size) << _VKI_IOC_SIZESHIFT)) 499 500 /* used to create numbers */ 501 #define _VKI_IO(type,nr) _VKI_IOC(_VKI_IOC_NONE,(type),(nr),0) 502 #define _VKI_IOR(type,nr,size) _VKI_IOC(_VKI_IOC_READ,(type),(nr),(_VKI_IOC_TYPECHECK(size))) 503 #define _VKI_IOW(type,nr,size) _VKI_IOC(_VKI_IOC_WRITE,(type),(nr),(_VKI_IOC_TYPECHECK(size))) 504 #define _VKI_IOWR(type,nr,size) _VKI_IOC(_VKI_IOC_READ|_VKI_IOC_WRITE,(type),(nr),(_VKI_IOC_TYPECHECK(size))) 505 506 /* used to decode ioctl numbers.. */ 507 #define _VKI_IOC_DIR(nr) (((nr) >> _VKI_IOC_DIRSHIFT) & _VKI_IOC_DIRMASK) 508 #define _VKI_IOC_TYPE(nr) (((nr) >> _VKI_IOC_TYPESHIFT) & _VKI_IOC_TYPEMASK) 509 #define _VKI_IOC_NR(nr) (((nr) >> _VKI_IOC_NRSHIFT) & _VKI_IOC_NRMASK) 510 #define _VKI_IOC_SIZE(nr) (((nr) >> _VKI_IOC_SIZESHIFT) & _VKI_IOC_SIZEMASK) 511 512 //---------------------------------------------------------------------- 513 // From linux-2.6.8.1/include/asm-i386/ioctls.h 514 //---------------------------------------------------------------------- 515 516 #define VKI_TCGETS 0x5401 517 #define VKI_TCSETS 0x5402 /* Clashes with SNDCTL_TMR_START sound ioctl */ 518 #define VKI_TCSETSW 0x5403 519 #define VKI_TCSETSF 0x5404 520 #define VKI_TCGETA 0x5405 521 #define VKI_TCSETA 0x5406 522 #define VKI_TCSETAW 0x5407 523 #define VKI_TCSETAF 0x5408 524 #define VKI_TCSBRK 0x5409 525 #define VKI_TCXONC 0x540A 526 #define VKI_TCFLSH 0x540B 527 #define VKI_TIOCSCTTY 0x540E 528 #define VKI_TIOCGPGRP 0x540F 529 #define VKI_TIOCSPGRP 0x5410 530 #define VKI_TIOCOUTQ 0x5411 531 #define VKI_TIOCGWINSZ 0x5413 532 #define VKI_TIOCSWINSZ 0x5414 533 #define VKI_TIOCMGET 0x5415 534 #define VKI_TIOCMBIS 0x5416 535 #define VKI_TIOCMBIC 0x5417 536 #define VKI_TIOCMSET 0x5418 537 #define VKI_FIONREAD 0x541B 538 #define VKI_TIOCLINUX 0x541C 539 #define VKI_FIONBIO 0x5421 540 #define VKI_TCSBRKP 0x5425 /* Needed for POSIX tcsendbreak() */ 541 #define VKI_TIOCGPTN _VKI_IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ 542 #define VKI_TIOCSPTLCK _VKI_IOW('T',0x31, int) /* Lock/unlock Pty */ 543 544 #define VKI_FIOASYNC 0x5452 545 #define VKI_TIOCSERGETLSR 0x5459 /* Get line status register */ 546 547 #define VKI_TIOCGICOUNT 0x545D /* read serial port inline interrupt counts */ 548 549 //---------------------------------------------------------------------- 550 // From linux-2.6.8.1/include/asm-i386/poll.h 551 //---------------------------------------------------------------------- 552 553 /* These are specified by iBCS2 */ 554 #define VKI_POLLIN 0x0001 555 556 struct vki_pollfd { 557 int fd; 558 short events; 559 short revents; 560 }; 561 562 //---------------------------------------------------------------------- 563 // From linux-2.6.8.1/include/asm-i386/user.h 564 //---------------------------------------------------------------------- 565 566 struct vki_user_i387_struct { 567 long cwd; 568 long swd; 569 long twd; 570 long fip; 571 long fcs; 572 long foo; 573 long fos; 574 long st_space[20]; /* 8*10 bytes for each FP-reg = 80 bytes */ 575 }; 576 577 struct vki_user_fxsr_struct { 578 unsigned short cwd; 579 unsigned short swd; 580 unsigned short twd; 581 unsigned short fop; 582 long fip; 583 long fcs; 584 long foo; 585 long fos; 586 long mxcsr; 587 long reserved; 588 long st_space[32]; /* 8*16 bytes for each FP-reg = 128 bytes */ 589 long xmm_space[32]; /* 8*16 bytes for each XMM-reg = 128 bytes */ 590 long padding[56]; 591 }; 592 593 /* 594 * This is the old layout of "struct pt_regs", and 595 * is still the layout used by user mode (the new 596 * pt_regs doesn't have all registers as the kernel 597 * doesn't use the extra segment registers) 598 */ 599 struct vki_user_regs_struct { 600 long ebx, ecx, edx, esi, edi, ebp, eax; 601 unsigned short ds, __ds, es, __es; 602 unsigned short fs, __fs, gs, __gs; 603 long orig_eax, eip; 604 unsigned short cs, __cs; 605 long eflags, esp; 606 unsigned short ss, __ss; 607 }; 608 609 //---------------------------------------------------------------------- 610 // From linux-2.6.8.1/include/asm-i386/elf.h 611 //---------------------------------------------------------------------- 612 613 typedef unsigned long vki_elf_greg_t; 614 615 #define VKI_ELF_NGREG (sizeof (struct vki_user_regs_struct) / sizeof(vki_elf_greg_t)) 616 typedef vki_elf_greg_t vki_elf_gregset_t[VKI_ELF_NGREG]; 617 618 typedef struct vki_user_i387_struct vki_elf_fpregset_t; 619 typedef struct vki_user_fxsr_struct vki_elf_fpxregset_t; 620 621 #define VKI_AT_SYSINFO 32 622 623 //---------------------------------------------------------------------- 624 // From linux-2.6.8.1/include/asm-i386/ucontext.h 625 //---------------------------------------------------------------------- 626 627 struct vki_ucontext { 628 unsigned long uc_flags; 629 struct vki_ucontext *uc_link; 630 vki_stack_t uc_stack; 631 struct vki_sigcontext uc_mcontext; 632 vki_sigset_t uc_sigmask; /* mask last for extensibility */ 633 }; 634 635 //---------------------------------------------------------------------- 636 // From linux-2.6.8.1/include/asm-i386/segment.h 637 //---------------------------------------------------------------------- 638 639 #define VKI_GDT_ENTRY_TLS_ENTRIES 3 640 #define VKI_GDT_ENTRY_TLS_MIN 6 641 #define VKI_GDT_ENTRY_TLS_MAX (VKI_GDT_ENTRY_TLS_MIN + VKI_GDT_ENTRY_TLS_ENTRIES - 1) 642 643 //---------------------------------------------------------------------- 644 // From linux-2.6.8.1/include/asm-i386/ldt.h 645 //---------------------------------------------------------------------- 646 647 /* [[Nb: This is the structure passed to the modify_ldt syscall. Just so as 648 to confuse and annoy everyone, this is _not_ the same as an 649 VgLdtEntry and has to be translated into such. The logic for doing 650 so, in vg_ldt.c, is copied from the kernel sources.]] */ 651 struct vki_user_desc { 652 unsigned int entry_number; 653 unsigned long base_addr; 654 unsigned int limit; 655 unsigned int seg_32bit:1; 656 unsigned int contents:2; 657 unsigned int read_exec_only:1; 658 unsigned int limit_in_pages:1; 659 unsigned int seg_not_present:1; 660 unsigned int useable:1; 661 // [[Nb: this field is not in the kernel sources, but it has always 662 // been in the Valgrind sources so I will keep it there in case it's 663 // important... this is an x86-defined data structure so who 664 // knows; maybe it's important to set this field to zero at some 665 // point. --njn]] 666 unsigned int reserved:25; 667 }; 668 669 // [[Nb: for our convenience within Valgrind, use a more specific name]] 670 typedef struct vki_user_desc vki_modify_ldt_t; 671 672 //---------------------------------------------------------------------- 673 // From linux-2.6.8.1/include/asm-i386/ipcbuf.h 674 //---------------------------------------------------------------------- 675 676 struct vki_ipc64_perm 677 { 678 __vki_kernel_key_t key; 679 __vki_kernel_uid32_t uid; 680 __vki_kernel_gid32_t gid; 681 __vki_kernel_uid32_t cuid; 682 __vki_kernel_gid32_t cgid; 683 __vki_kernel_mode_t mode; 684 unsigned short __pad1; 685 unsigned short seq; 686 unsigned short __pad2; 687 unsigned long __unused1; 688 unsigned long __unused2; 689 }; 690 691 //---------------------------------------------------------------------- 692 // From linux-2.6.8.1/include/asm-i386/sembuf.h 693 //---------------------------------------------------------------------- 694 695 struct vki_semid64_ds { 696 struct vki_ipc64_perm sem_perm; /* permissions .. see ipc.h */ 697 __vki_kernel_time_t sem_otime; /* last semop time */ 698 unsigned long __unused1; 699 __vki_kernel_time_t sem_ctime; /* last change time */ 700 unsigned long __unused2; 701 unsigned long sem_nsems; /* no. of semaphores in array */ 702 unsigned long __unused3; 703 unsigned long __unused4; 704 }; 705 706 //---------------------------------------------------------------------- 707 // From linux-2.6.8.1/include/asm-i386/msgbuf.h 708 //---------------------------------------------------------------------- 709 710 struct vki_msqid64_ds { 711 struct vki_ipc64_perm msg_perm; 712 __vki_kernel_time_t msg_stime; /* last msgsnd time */ 713 unsigned long __unused1; 714 __vki_kernel_time_t msg_rtime; /* last msgrcv time */ 715 unsigned long __unused2; 716 __vki_kernel_time_t msg_ctime; /* last change time */ 717 unsigned long __unused3; 718 unsigned long msg_cbytes; /* current number of bytes on queue */ 719 unsigned long msg_qnum; /* number of messages in queue */ 720 unsigned long msg_qbytes; /* max number of bytes on queue */ 721 __vki_kernel_pid_t msg_lspid; /* pid of last msgsnd */ 722 __vki_kernel_pid_t msg_lrpid; /* last receive pid */ 723 unsigned long __unused4; 724 unsigned long __unused5; 725 }; 726 727 //---------------------------------------------------------------------- 728 // From linux-2.6.8.1/include/asm-i386/ipc.h 729 //---------------------------------------------------------------------- 730 731 struct vki_ipc_kludge { 732 struct vki_msgbuf __user *msgp; 733 long msgtyp; 734 }; 735 736 #define VKI_SEMOP 1 737 #define VKI_SEMGET 2 738 #define VKI_SEMCTL 3 739 #define VKI_SEMTIMEDOP 4 740 #define VKI_MSGSND 11 741 #define VKI_MSGRCV 12 742 #define VKI_MSGGET 13 743 #define VKI_MSGCTL 14 744 #define VKI_SHMAT 21 745 #define VKI_SHMDT 22 746 #define VKI_SHMGET 23 747 #define VKI_SHMCTL 24 748 749 750 //---------------------------------------------------------------------- 751 // From linux-2.6.8.1/include/asm-i386/shmbuf.h 752 //---------------------------------------------------------------------- 753 754 struct vki_shmid64_ds { 755 struct vki_ipc64_perm shm_perm; /* operation perms */ 756 vki_size_t shm_segsz; /* size of segment (bytes) */ 757 __vki_kernel_time_t shm_atime; /* last attach time */ 758 unsigned long __unused1; 759 __vki_kernel_time_t shm_dtime; /* last detach time */ 760 unsigned long __unused2; 761 __vki_kernel_time_t shm_ctime; /* last change time */ 762 unsigned long __unused3; 763 __vki_kernel_pid_t shm_cpid; /* pid of creator */ 764 __vki_kernel_pid_t shm_lpid; /* pid of last operator */ 765 unsigned long shm_nattch; /* no. of current attaches */ 766 unsigned long __unused4; 767 unsigned long __unused5; 768 }; 769 770 struct vki_shminfo64 { 771 unsigned long shmmax; 772 unsigned long shmmin; 773 unsigned long shmmni; 774 unsigned long shmseg; 775 unsigned long shmall; 776 unsigned long __unused1; 777 unsigned long __unused2; 778 unsigned long __unused3; 779 unsigned long __unused4; 780 }; 781 782 //---------------------------------------------------------------------- 783 // DRM ioctls 784 //---------------------------------------------------------------------- 785 786 // jrs 20050207: where did all this stuff come from? Is it really 787 // i386 specific, or should it go into the linux-generic category? 788 //struct vki_drm_buf_pub { 789 // Int idx; /**< Index into the master buffer list */ 790 // Int total; /**< Buffer size */ 791 // Int used; /**< Amount of buffer in use (for DMA) */ 792 // void __user *address; /**< Address of buffer */ 793 //}; 794 // 795 //struct vki_drm_buf_map { 796 // Int count; /**< Length of the buffer list */ 797 // void __user *virtual; /**< Mmap'd area in user-virtual */ 798 // struct vki_drm_buf_pub __user *list; /**< Buffer information */ 799 //}; 800 // 801 ///* We need to pay attention to this, because it mmaps memory */ 802 //#define VKI_DRM_IOCTL_MAP_BUFS _VKI_IOWR('d', 0x19, struct vki_drm_buf_map) 803 804 //---------------------------------------------------------------------- 805 // From linux-2.6.9/include/asm-i386/ptrace.h 806 //---------------------------------------------------------------------- 807 808 #define VKI_PTRACE_GETREGS 12 809 #define VKI_PTRACE_SETREGS 13 810 #define VKI_PTRACE_GETFPREGS 14 811 #define VKI_PTRACE_SETFPREGS 15 812 #define VKI_PTRACE_GETFPXREGS 18 813 #define VKI_PTRACE_SETFPXREGS 19 814 815 //---------------------------------------------------------------------- 816 // From linux-2.6.15.4/include/asm-i386/vm86.h 817 //---------------------------------------------------------------------- 818 819 #define VKI_VM86_PLUS_INSTALL_CHECK 0 820 #define VKI_VM86_ENTER 1 821 #define VKI_VM86_ENTER_NO_BYPASS 2 822 #define VKI_VM86_REQUEST_IRQ 3 823 #define VKI_VM86_FREE_IRQ 4 824 #define VKI_VM86_GET_IRQ_BITS 5 825 #define VKI_VM86_GET_AND_RESET_IRQ 6 826 827 struct vki_vm86_regs { 828 /* 829 * normal regs, with special meaning for the segment descriptors.. 830 */ 831 long ebx; 832 long ecx; 833 long edx; 834 long esi; 835 long edi; 836 long ebp; 837 long eax; 838 long __null_ds; 839 long __null_es; 840 long __null_fs; 841 long __null_gs; 842 long orig_eax; 843 long eip; 844 unsigned short cs, __csh; 845 long eflags; 846 long esp; 847 unsigned short ss, __ssh; 848 /* 849 * these are specific to v86 mode: 850 */ 851 unsigned short es, __esh; 852 unsigned short ds, __dsh; 853 unsigned short fs, __fsh; 854 unsigned short gs, __gsh; 855 }; 856 857 struct vki_revectored_struct { 858 unsigned long __map[8]; /* 256 bits */ 859 }; 860 861 struct vki_vm86_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 }; 869 870 struct vki_vm86plus_info_struct { 871 unsigned long force_return_for_pic:1; 872 unsigned long vm86dbg_active:1; /* for debugger */ 873 unsigned long vm86dbg_TFpendig:1; /* for debugger */ 874 unsigned long unused:28; 875 unsigned long is_vm86pus:1; /* for vm86 internal use */ 876 unsigned char vm86dbg_intxxtab[32]; /* for debugger */ 877 }; 878 879 struct vki_vm86plus_struct { 880 struct vki_vm86_regs regs; 881 unsigned long flags; 882 unsigned long screen_bitmap; 883 unsigned long cpu_type; 884 struct vki_revectored_struct int_revectored; 885 struct vki_revectored_struct int21_revectored; 886 struct vki_vm86plus_info_struct vm86plus; 887 }; 888 889 //---------------------------------------------------------------------- 890 // And that's it! 891 //---------------------------------------------------------------------- 892 893 #endif // __VKI_X86_LINUX_H 894 895 /*--------------------------------------------------------------------*/ 896 /*--- end ---*/ 897 /*--------------------------------------------------------------------*/ 898
