include/vki/vki-x86-linux.h

   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) 2000-2017 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, see <http://www.gnu.org/licenses/>.
  25
  26    The GNU General Public License is contained in the file COPYING.
  27 */
  28
  29 #ifndef __VKI_X86_LINUX_H
  30 #define __VKI_X86_LINUX_H
  31
  32 // x86 is little-endian.
  33 #define VKI_LITTLE_ENDIAN  1
  34
  35 //----------------------------------------------------------------------
  36 // From linux-2.6.8.1/include/asm-i386/types.h
  37 //----------------------------------------------------------------------
  38
  39 typedef unsigned char __vki_u8;
  40
  41 typedef __signed__ short __vki_s16;
  42 typedef unsigned short __vki_u16;
  43
  44 typedef __signed__ int __vki_s32;
  45 typedef unsigned int __vki_u32;
  46
  47 typedef __signed__ long long __vki_s64;
  48 typedef unsigned long long __vki_u64;
  49
  50 typedef unsigned short vki_u16;
  51
  52 typedef unsigned int vki_u32;
  53
  54 //----------------------------------------------------------------------
  55 // From linux-2.6.8.1/include/asm-i386/page.h
  56 //----------------------------------------------------------------------
  57
  58 /* PAGE_SHIFT determines the page size */
  59 #define VKI_PAGE_SHIFT  12
  60 #define VKI_PAGE_SIZE   (1UL << VKI_PAGE_SHIFT)
  61 #define VKI_MAX_PAGE_SHIFT      VKI_PAGE_SHIFT
  62 #define VKI_MAX_PAGE_SIZE       VKI_PAGE_SIZE
  63
  64 //----------------------------------------------------------------------
  65 // From linux-2.6.35.4/arch/x86/include/asm/shmparam.h
  66 //----------------------------------------------------------------------
  67
  68 #define VKI_SHMLBA  VKI_PAGE_SIZE
  69
  70 //----------------------------------------------------------------------
  71 // From linux-2.6.8.1/include/asm-i386/signal.h
  72 //----------------------------------------------------------------------
  73
  74 #define VKI_MINSIGSTKSZ 2048
  75
  76 #define VKI_SIG_BLOCK          0        /* for blocking signals */
  77 #define VKI_SIG_UNBLOCK        1        /* for unblocking signals */
  78 #define VKI_SIG_SETMASK        2        /* for setting the signal mask */
  79
  80 /* Type of a signal handler.  */
  81 typedef void __vki_signalfn_t(int);
  82 typedef __vki_signalfn_t __user *__vki_sighandler_t;
  83
  84 typedef void __vki_restorefn_t(void);
  85 typedef __vki_restorefn_t __user *__vki_sigrestore_t;
  86
  87 #define VKI_SIG_DFL     ((__vki_sighandler_t)0) /* default signal handling */
  88 #define VKI_SIG_IGN     ((__vki_sighandler_t)1) /* ignore signal */
  89
  90 #define _VKI_NSIG       64
  91 #define _VKI_NSIG_BPW   32
  92 #define _VKI_NSIG_WORDS (_VKI_NSIG / _VKI_NSIG_BPW)
  93
  94 typedef unsigned long vki_old_sigset_t;         /* at least 32 bits */
  95
  96 typedef struct {
  97         unsigned long sig[_VKI_NSIG_WORDS];
  98 } vki_sigset_t;
  99
 100 #define VKI_SIGHUP               1
 101 #define VKI_SIGINT               2
 102 #define VKI_SIGQUIT              3
 103 #define VKI_SIGILL               4
 104 #define VKI_SIGTRAP              5
 105 #define VKI_SIGABRT              6
 106 //#define VKI_SIGIOT             6
 107 #define VKI_SIGBUS               7
 108 #define VKI_SIGFPE               8
 109 #define VKI_SIGKILL              9
 110 #define VKI_SIGUSR1             10
 111 #define VKI_SIGSEGV             11
 112 #define VKI_SIGUSR2             12
 113 #define VKI_SIGPIPE             13
 114 #define VKI_SIGALRM             14
 115 #define VKI_SIGTERM             15
 116 #define VKI_SIGSTKFLT           16
 117 #define VKI_SIGCHLD             17
 118 #define VKI_SIGCONT             18
 119 #define VKI_SIGSTOP             19
 120 #define VKI_SIGTSTP             20
 121 #define VKI_SIGTTIN             21
 122 #define VKI_SIGTTOU             22
 123 #define VKI_SIGURG              23
 124 #define VKI_SIGXCPU             24
 125 #define VKI_SIGXFSZ             25
 126 #define VKI_SIGVTALRM           26
 127 #define VKI_SIGPROF             27
 128 #define VKI_SIGWINCH            28
 129 #define VKI_SIGIO               29
 130 #define VKI_SIGPWR              30
 131 #define VKI_SIGSYS              31
 132 #define VKI_SIGUNUSED           31
 133
 134 /* These should not be considered constants from userland.  */
 135 #define VKI_SIGRTMIN    32
 136 // [[This was (_NSIG-1) in 2.4.X... not sure if it matters.]]
 137 #define VKI_SIGRTMAX    _VKI_NSIG
 138
 139 #define VKI_SA_NOCLDSTOP        0x00000001u
 140 #define VKI_SA_NOCLDWAIT        0x00000002u
 141 #define VKI_SA_SIGINFO          0x00000004u
 142 #define VKI_SA_ONSTACK          0x08000000u
 143 #define VKI_SA_RESTART          0x10000000u
 144 #define VKI_SA_NODEFER          0x40000000u
 145 #define VKI_SA_RESETHAND        0x80000000u
 146
 147 #define VKI_SA_NOMASK           VKI_SA_NODEFER
 148 #define VKI_SA_ONESHOT          VKI_SA_RESETHAND
 149 //#define VKI_SA_INTERRUPT      0x20000000 /* dummy -- ignored */
 150
 151 #define VKI_SA_RESTORER         0x04000000
 152
 153 #define VKI_SS_ONSTACK  1
 154 #define VKI_SS_DISABLE  2
 155
 156 /* These are 'legacy' sigactions in which the size of sa_mask is fixed
 157    (cannot be expanded at any future point) because it is sandwiched
 158    between two other fields.
 159    (there is identical kludgery in vki-ppc32-linux.h) */
 160 struct vki_old_sigaction {
 161         // [[Nb: a 'k' prefix is added to "sa_handler" because
 162         // bits/sigaction.h (which gets dragged in somehow via signal.h)
 163         // #defines it as something else.  Since that is done for glibc's
 164         // purposes, which we don't care about here, we use our own name.]]
 165         __vki_sighandler_t ksa_handler;
 166         vki_old_sigset_t sa_mask;
 167         unsigned long sa_flags;
 168         __vki_sigrestore_t sa_restorer;
 169 };
 170
 171 struct vki_sigaction_base {
 172         // [[See comment about extra 'k' above]]
 173         __vki_sighandler_t ksa_handler;
 174         unsigned long sa_flags;
 175         __vki_sigrestore_t sa_restorer;
 176         vki_sigset_t sa_mask;           /* mask last for extensibility */
 177 };
 178
 179 /* On Linux we use the same type for passing sigactions to
 180    and from the kernel.  Hence: */
 181 typedef  struct vki_sigaction_base  vki_sigaction_toK_t;
 182 typedef  struct vki_sigaction_base  vki_sigaction_fromK_t;
 183
 184
 185 typedef struct vki_sigaltstack {
 186         void __user *ss_sp;
 187         int ss_flags;
 188         vki_size_t ss_size;
 189 } vki_stack_t;
 190
 191 //----------------------------------------------------------------------
 192 // From linux-2.6.8.1/include/asm-i386/sigcontext.h
 193 //----------------------------------------------------------------------
 194
 195 struct _vki_fpreg {
 196         unsigned short significand[4];
 197         unsigned short exponent;
 198 };
 199
 200 struct _vki_fpxreg {
 201         unsigned short significand[4];
 202         unsigned short exponent;
 203         unsigned short padding[3];
 204 };
 205
 206 struct _vki_xmmreg {
 207         unsigned long element[4];
 208 };
 209
 210 struct _vki_fpstate {
 211         /* Regular FPU environment */
 212         unsigned long   cw;
 213         unsigned long   sw;
 214         unsigned long   tag;
 215         unsigned long   ipoff;
 216         unsigned long   cssel;
 217         unsigned long   dataoff;
 218         unsigned long   datasel;
 219         struct _vki_fpreg       _st[8];
 220         unsigned short  status;
 221         unsigned short  magic;          /* 0xffff = regular FPU data only */
 222
 223         /* FXSR FPU environment */
 224         unsigned long   _fxsr_env[6];   /* FXSR FPU env is ignored */
 225         unsigned long   mxcsr;
 226         unsigned long   reserved;
 227         struct _vki_fpxreg      _fxsr_st[8];    /* FXSR FPU reg data is ignored */
 228         struct _vki_xmmreg      _xmm[8];
 229         unsigned long   padding[56];
 230 };
 231
 232 struct vki_sigcontext {
 233         unsigned short gs, __gsh;
 234         unsigned short fs, __fsh;
 235         unsigned short es, __esh;
 236         unsigned short ds, __dsh;
 237         unsigned long edi;
 238         unsigned long esi;
 239         unsigned long ebp;
 240         unsigned long esp;
 241         unsigned long ebx;
 242         unsigned long edx;
 243         unsigned long ecx;
 244         unsigned long eax;
 245         unsigned long trapno;
 246         unsigned long err;
 247         unsigned long eip;
 248         unsigned short cs, __csh;
 249         unsigned long eflags;
 250         unsigned long esp_at_signal;
 251         unsigned short ss, __ssh;
 252         struct _vki_fpstate __user * fpstate;
 253         unsigned long oldmask;
 254         unsigned long cr2;
 255 };
 256
 257 //----------------------------------------------------------------------
 258 // From linux-2.6.8.1/include/asm-i386/mman.h
 259 //----------------------------------------------------------------------
 260
 261 #define VKI_PROT_NONE   0x0             /* No page permissions */
 262 #define VKI_PROT_READ   0x1             /* page can be read */
 263 #define VKI_PROT_WRITE  0x2             /* page can be written */
 264 #define VKI_PROT_EXEC   0x4             /* page can be executed */
 265 #define VKI_PROT_GROWSDOWN      0x01000000      /* mprotect flag: extend change to start of growsdown vma */
 266 #define VKI_PROT_GROWSUP        0x02000000      /* mprotect flag: extend change to end of growsup vma */
 267
 268 #define VKI_MAP_SHARED  0x01            /* Share changes */
 269 #define VKI_MAP_PRIVATE 0x02            /* Changes are private */
 270 //#define VKI_MAP_TYPE  0x0f            /* Mask for type of mapping */
 271 #define VKI_MAP_FIXED   0x10            /* Interpret addr exactly */
 272 #define VKI_MAP_ANONYMOUS       0x20    /* don't use a file */
 273 #define VKI_MAP_NORESERVE       0x4000          /* don't check for reservations */
 274
 275 //----------------------------------------------------------------------
 276 // From linux-2.6.8.1/include/asm-i386/fcntl.h
 277 //----------------------------------------------------------------------
 278
 279 #define VKI_O_ACCMODE        03
 280 #define VKI_O_RDONLY         00
 281 #define VKI_O_WRONLY         01
 282 #define VKI_O_RDWR           02
 283 #define VKI_O_CREAT        0100 /* not fcntl */
 284 #define VKI_O_EXCL         0200 /* not fcntl */
 285 #define VKI_O_TRUNC       01000 /* not fcntl */
 286 #define VKI_O_APPEND      02000
 287 #define VKI_O_NONBLOCK    04000
 288 #define VKI_O_LARGEFILE 0100000
 289
 290 #define VKI_AT_FDCWD            -100
 291
 292 #define VKI_F_DUPFD             0       /* dup */
 293 #define VKI_F_GETFD             1       /* get close_on_exec */
 294 #define VKI_F_SETFD             2       /* set/clear close_on_exec */
 295 #define VKI_F_GETFL             3       /* get file->f_flags */
 296 #define VKI_F_SETFL             4       /* set file->f_flags */
 297 #define VKI_F_GETLK             5
 298 #define VKI_F_SETLK             6
 299 #define VKI_F_SETLKW            7
 300
 301 #define VKI_F_SETOWN            8       /*  for sockets. */
 302 #define VKI_F_GETOWN            9       /*  for sockets. */
 303 #define VKI_F_SETSIG            10      /*  for sockets. */
 304 #define VKI_F_GETSIG            11      /*  for sockets. */
 305
 306 #define VKI_F_GETLK64           12      /*  using 'struct flock64' */
 307 #define VKI_F_SETLK64           13
 308 #define VKI_F_SETLKW64          14
 309
 310 #define VKI_F_SETOWN_EX         15
 311 #define VKI_F_GETOWN_EX         16
 312
 313 #define VKI_F_OFD_GETLK         36
 314 #define VKI_F_OFD_SETLK         37
 315 #define VKI_F_OFD_SETLKW        38
 316
 317 #define VKI_F_OWNER_TID         0
 318 #define VKI_F_OWNER_PID         1
 319 #define VKI_F_OWNER_PGRP        2
 320
 321 struct vki_f_owner_ex {
 322         int     type;
 323         __vki_kernel_pid_t      pid;
 324 };
 325
 326 /* for F_[GET|SET]FL */
 327 #define VKI_FD_CLOEXEC  1       /* actually anything with low bit set goes */
 328
 329 #define VKI_F_LINUX_SPECIFIC_BASE       1024
 330
 331 //----------------------------------------------------------------------
 332 // From linux-2.6.8.1/include/asm-i386/resource.h
 333 //----------------------------------------------------------------------
 334
 335 #define VKI_RLIMIT_DATA         2       /* max data size */
 336 #define VKI_RLIMIT_STACK        3       /* max stack size */
 337 #define VKI_RLIMIT_CORE         4       /* max core file size */
 338 #define VKI_RLIMIT_NOFILE       7       /* max number of open files */
 339
 340 //----------------------------------------------------------------------
 341 // From linux-2.6.8.1/include/asm-i386/socket.h
 342 //----------------------------------------------------------------------
 343
 344 #define VKI_SOL_SOCKET  1
 345
 346 #define VKI_SO_TYPE     3
 347
 348 #define VKI_SO_ATTACH_FILTER    26
 349
 350 //----------------------------------------------------------------------
 351 // From linux-2.6.8.1/include/asm-i386/sockios.h
 352 //----------------------------------------------------------------------
 353
 354 #define VKI_SIOCSPGRP           0x8902
 355 #define VKI_SIOCGPGRP           0x8904
 356 #define VKI_SIOCATMARK          0x8905
 357 #define VKI_SIOCGSTAMP          0x8906          /* Get stamp (timeval) */
 358 #define VKI_SIOCGSTAMPNS        0x8907          /* Get stamp (timespec) */
 359
 360 //----------------------------------------------------------------------
 361 // From linux-2.6.8.1/include/asm-i386/stat.h
 362 //----------------------------------------------------------------------
 363
 364 struct vki_stat {
 365         unsigned long  st_dev;
 366         unsigned long  st_ino;
 367         unsigned short st_mode;
 368         unsigned short st_nlink;
 369         unsigned short st_uid;
 370         unsigned short st_gid;
 371         unsigned long  st_rdev;
 372         unsigned long  st_size;
 373         unsigned long  st_blksize;
 374         unsigned long  st_blocks;
 375         unsigned long  st_atime;
 376         unsigned long  st_atime_nsec;
 377         unsigned long  st_mtime;
 378         unsigned long  st_mtime_nsec;
 379         unsigned long  st_ctime;
 380         unsigned long  st_ctime_nsec;
 381         unsigned long  __unused4;
 382         unsigned long  __unused5;
 383 };
 384
 385 struct vki_stat64 {
 386         unsigned long long      st_dev;
 387         unsigned char   __pad0[4];
 388
 389 #define STAT64_HAS_BROKEN_ST_INO        1
 390         unsigned long   __st_ino;
 391
 392         unsigned int    st_mode;
 393         unsigned int    st_nlink;
 394
 395         unsigned long   st_uid;
 396         unsigned long   st_gid;
 397
 398         unsigned long long      st_rdev;
 399         unsigned char   __pad3[4];
 400
 401         long long       st_size;
 402         unsigned long   st_blksize;
 403
 404         unsigned long   st_blocks;      /* Number 512-byte blocks allocated. */
 405         unsigned long   __pad4;         /* future possible st_blocks high bits */
 406
 407         unsigned long   st_atime;
 408         unsigned long   st_atime_nsec;
 409
 410         unsigned long   st_mtime;
 411         unsigned int    st_mtime_nsec;
 412
 413         unsigned long   st_ctime;
 414         unsigned long   st_ctime_nsec;
 415
 416         unsigned long long      st_ino;
 417 };
 418
 419 //----------------------------------------------------------------------
 420 // From linux-2.6.8.1/include/asm-i386/statfs.h
 421 //----------------------------------------------------------------------
 422
 423 // [[Nb: asm-i386/statfs.h just #include asm-generic/statfs.h directly]]
 424 struct vki_statfs {
 425         __vki_u32 f_type;
 426         __vki_u32 f_bsize;
 427         __vki_u32 f_blocks;
 428         __vki_u32 f_bfree;
 429         __vki_u32 f_bavail;
 430         __vki_u32 f_files;
 431         __vki_u32 f_ffree;
 432         __vki_kernel_fsid_t f_fsid;
 433         __vki_u32 f_namelen;
 434         __vki_u32 f_frsize;
 435         __vki_u32 f_spare[5];
 436 };
 437
 438 //----------------------------------------------------------------------
 439 // From linux-2.6.8.1/include/asm-i386/termios.h
 440 //----------------------------------------------------------------------
 441
 442 struct vki_winsize {
 443         unsigned short ws_row;
 444         unsigned short ws_col;
 445         unsigned short ws_xpixel;
 446         unsigned short ws_ypixel;
 447 };
 448
 449 #define VKI_NCC 8
 450 struct vki_termio {
 451         unsigned short c_iflag;         /* input mode flags */
 452         unsigned short c_oflag;         /* output mode flags */
 453         unsigned short c_cflag;         /* control mode flags */
 454         unsigned short c_lflag;         /* local mode flags */
 455         unsigned char c_line;           /* line discipline */
 456         unsigned char c_cc[VKI_NCC];    /* control characters */
 457 };
 458
 459
 460 //----------------------------------------------------------------------
 461 // From linux-2.6.8.1/include/asm-i386/termbits.h
 462 //----------------------------------------------------------------------
 463
 464 typedef unsigned char   vki_cc_t;
 465 typedef unsigned int    vki_tcflag_t;
 466
 467 #define VKI_NCCS 19
 468 struct vki_termios {
 469         vki_tcflag_t c_iflag;           /* input mode flags */
 470         vki_tcflag_t c_oflag;           /* output mode flags */
 471         vki_tcflag_t c_cflag;           /* control mode flags */
 472         vki_tcflag_t c_lflag;           /* local mode flags */
 473         vki_cc_t c_line;                /* line discipline */
 474         vki_cc_t c_cc[VKI_NCCS];        /* control characters */
 475 };
 476
 477 //----------------------------------------------------------------------
 478 // From linux-2.6.8.1/include/asm-i386/ioctl.h
 479 //----------------------------------------------------------------------
 480
 481 #define _VKI_IOC_NRBITS         8
 482 #define _VKI_IOC_TYPEBITS       8
 483 #define _VKI_IOC_SIZEBITS       14
 484 #define _VKI_IOC_DIRBITS        2
 485
 486 #define _VKI_IOC_NRMASK         ((1 << _VKI_IOC_NRBITS)-1)
 487 #define _VKI_IOC_TYPEMASK       ((1 << _VKI_IOC_TYPEBITS)-1)
 488 #define _VKI_IOC_SIZEMASK       ((1 << _VKI_IOC_SIZEBITS)-1)
 489 #define _VKI_IOC_DIRMASK        ((1 << _VKI_IOC_DIRBITS)-1)
 490
 491 #define _VKI_IOC_NRSHIFT        0
 492 #define _VKI_IOC_TYPESHIFT      (_VKI_IOC_NRSHIFT+_VKI_IOC_NRBITS)
 493 #define _VKI_IOC_SIZESHIFT      (_VKI_IOC_TYPESHIFT+_VKI_IOC_TYPEBITS)
 494 #define _VKI_IOC_DIRSHIFT       (_VKI_IOC_SIZESHIFT+_VKI_IOC_SIZEBITS)
 495
 496 #define _VKI_IOC_NONE   0U
 497 #define _VKI_IOC_WRITE  1U
 498 #define _VKI_IOC_READ   2U
 499
 500 #define _VKI_IOC(dir,type,nr,size) \
 501         (((dir)  << _VKI_IOC_DIRSHIFT) | \
 502          ((type) << _VKI_IOC_TYPESHIFT) | \
 503          ((nr)   << _VKI_IOC_NRSHIFT) | \
 504          ((size) << _VKI_IOC_SIZESHIFT))
 505
 506 /* used to create numbers */
 507 #define _VKI_IO(type,nr)        _VKI_IOC(_VKI_IOC_NONE,(type),(nr),0)
 508 #define _VKI_IOR(type,nr,size)  _VKI_IOC(_VKI_IOC_READ,(type),(nr),(_VKI_IOC_TYPECHECK(size)))
 509 #define _VKI_IOW(type,nr,size)  _VKI_IOC(_VKI_IOC_WRITE,(type),(nr),(_VKI_IOC_TYPECHECK(size)))
 510 #define _VKI_IOWR(type,nr,size) _VKI_IOC(_VKI_IOC_READ|_VKI_IOC_WRITE,(type),(nr),(_VKI_IOC_TYPECHECK(size)))
 511
 512 /* used to decode ioctl numbers.. */
 513 #define _VKI_IOC_DIR(nr)        (((nr) >> _VKI_IOC_DIRSHIFT) & _VKI_IOC_DIRMASK)
 514 #define _VKI_IOC_TYPE(nr)       (((nr) >> _VKI_IOC_TYPESHIFT) & _VKI_IOC_TYPEMASK)
 515 #define _VKI_IOC_NR(nr)         (((nr) >> _VKI_IOC_NRSHIFT) & _VKI_IOC_NRMASK)
 516 #define _VKI_IOC_SIZE(nr)       (((nr) >> _VKI_IOC_SIZESHIFT) & _VKI_IOC_SIZEMASK)
 517
 518 //----------------------------------------------------------------------
 519 // From linux-2.6.8.1/include/asm-i386/ioctls.h
 520 //----------------------------------------------------------------------
 521
 522 #define VKI_TCGETS      0x5401
 523 #define VKI_TCSETS      0x5402 /* Clashes with SNDCTL_TMR_START sound ioctl */
 524 #define VKI_TCSETSW     0x5403
 525 #define VKI_TCSETSF     0x5404
 526 #define VKI_TCGETA      0x5405
 527 #define VKI_TCSETA      0x5406
 528 #define VKI_TCSETAW     0x5407
 529 #define VKI_TCSETAF     0x5408
 530 #define VKI_TCSBRK      0x5409
 531 #define VKI_TCXONC      0x540A
 532 #define VKI_TCFLSH      0x540B
 533 #define VKI_TIOCSCTTY   0x540E
 534 #define VKI_TIOCGPGRP   0x540F
 535 #define VKI_TIOCSPGRP   0x5410
 536 #define VKI_TIOCOUTQ    0x5411
 537 #define VKI_TIOCGWINSZ  0x5413
 538 #define VKI_TIOCSWINSZ  0x5414
 539 #define VKI_TIOCMGET    0x5415
 540 #define VKI_TIOCMBIS    0x5416
 541 #define VKI_TIOCMBIC    0x5417
 542 #define VKI_TIOCMSET    0x5418
 543 #define VKI_FIONREAD    0x541B
 544 #define VKI_TIOCLINUX   0x541C
 545 #define VKI_FIONBIO     0x5421
 546 #define VKI_TIOCNOTTY   0x5422
 547 #define VKI_TCSBRKP     0x5425  /* Needed for POSIX tcsendbreak() */
 548 #define VKI_TIOCGPTN    _VKI_IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */
 549 #define VKI_TIOCSPTLCK  _VKI_IOW('T',0x31, int)  /* Lock/unlock Pty */
 550
 551 #define VKI_FIONCLEX    0x5450
 552 #define VKI_FIOCLEX     0x5451
 553 #define VKI_FIOASYNC    0x5452
 554 #define VKI_TIOCSERGETLSR   0x5459 /* Get line status register */
 555
 556 #define VKI_TIOCGICOUNT 0x545D  /* read serial port inline interrupt counts */
 557
 558 //----------------------------------------------------------------------
 559 // From linux-2.6.8.1/include/asm-i386/poll.h
 560 //----------------------------------------------------------------------
 561
 562 /* These are specified by iBCS2 */
 563 #define VKI_POLLIN              0x0001
 564
 565 struct vki_pollfd {
 566         int fd;
 567         short events;
 568         short revents;
 569 };
 570
 571 //----------------------------------------------------------------------
 572 // From linux-2.6.8.1/include/asm-i386/user.h
 573 //----------------------------------------------------------------------
 574
 575 struct vki_user_i387_struct {
 576         long    cwd;
 577         long    swd;
 578         long    twd;
 579         long    fip;
 580         long    fcs;
 581         long    foo;
 582         long    fos;
 583         long    st_space[20];   /* 8*10 bytes for each FP-reg = 80 bytes */
 584 };
 585
 586 struct vki_user_fxsr_struct {
 587         unsigned short  cwd;
 588         unsigned short  swd;
 589         unsigned short  twd;
 590         unsigned short  fop;
 591         long    fip;
 592         long    fcs;
 593         long    foo;
 594         long    fos;
 595         long    mxcsr;
 596         long    reserved;
 597         long    st_space[32];   /* 8*16 bytes for each FP-reg = 128 bytes */
 598         long    xmm_space[32];  /* 8*16 bytes for each XMM-reg = 128 bytes */
 599         long    padding[56];
 600 };
 601
 602 /*
 603  * This is the old layout of "struct pt_regs", and
 604  * is still the layout used by user mode (the new
 605  * pt_regs doesn't have all registers as the kernel
 606  * doesn't use the extra segment registers)
 607  */
 608 struct vki_user_regs_struct {
 609         long ebx, ecx, edx, esi, edi, ebp, eax;
 610         unsigned short ds, __ds, es, __es;
 611         unsigned short fs, __fs, gs, __gs;
 612         long orig_eax, eip;
 613         unsigned short cs, __cs;
 614         long eflags, esp;
 615         unsigned short ss, __ss;
 616 };
 617
 618 //----------------------------------------------------------------------
 619 // From linux-2.6.8.1/include/asm-i386/elf.h
 620 //----------------------------------------------------------------------
 621
 622 typedef unsigned long vki_elf_greg_t;
 623
 624 #define VKI_ELF_NGREG (sizeof (struct vki_user_regs_struct) / sizeof(vki_elf_greg_t))
 625 typedef vki_elf_greg_t vki_elf_gregset_t[VKI_ELF_NGREG];
 626
 627 typedef struct vki_user_i387_struct vki_elf_fpregset_t;
 628 typedef struct vki_user_fxsr_struct vki_elf_fpxregset_t;
 629
 630 #define VKI_AT_SYSINFO          32
 631
 632 //----------------------------------------------------------------------
 633 // From linux-2.6.8.1/include/asm-i386/ucontext.h
 634 //----------------------------------------------------------------------
 635
 636 struct vki_ucontext {
 637         unsigned long           uc_flags;
 638         struct vki_ucontext    *uc_link;
 639         vki_stack_t             uc_stack;
 640         struct vki_sigcontext   uc_mcontext;
 641         vki_sigset_t            uc_sigmask;     /* mask last for extensibility */
 642 };
 643
 644 //----------------------------------------------------------------------
 645 // From linux-2.6.8.1/include/asm-i386/segment.h
 646 //----------------------------------------------------------------------
 647
 648 #define VKI_GDT_ENTRY_TLS_ENTRIES       3
 649 #define VKI_GDT_ENTRY_TLS_MIN   6
 650 #define VKI_GDT_ENTRY_TLS_MAX   (VKI_GDT_ENTRY_TLS_MIN + VKI_GDT_ENTRY_TLS_ENTRIES - 1)
 651
 652 //----------------------------------------------------------------------
 653 // From linux-2.6.8.1/include/asm-i386/ldt.h
 654 //----------------------------------------------------------------------
 655
 656 /* [[Nb: This is the structure passed to the modify_ldt syscall.  Just so as
 657    to confuse and annoy everyone, this is _not_ the same as an
 658    VgLdtEntry and has to be translated into such.  The logic for doing
 659    so, in vg_ldt.c, is copied from the kernel sources.]] */
 660 struct vki_user_desc {
 661         unsigned int  entry_number;
 662         unsigned long base_addr;
 663         unsigned int  limit;
 664         unsigned int  seg_32bit:1;
 665         unsigned int  contents:2;
 666         unsigned int  read_exec_only:1;
 667         unsigned int  limit_in_pages:1;
 668         unsigned int  seg_not_present:1;
 669         unsigned int  useable:1;
 670         // [[Nb: this field is not in the kernel sources, but it has always
 671         // been in the Valgrind sources so I will keep it there in case it's
 672         // important... this is an x86-defined data structure so who
 673         // knows;  maybe it's important to set this field to zero at some
 674         // point.  --njn]]
 675         unsigned int  reserved:25;
 676 };
 677
 678 // [[Nb: for our convenience within Valgrind, use a more specific name]]
 679 typedef struct vki_user_desc vki_modify_ldt_t;
 680
 681 //----------------------------------------------------------------------
 682 // From linux-2.6.8.1/include/asm-i386/ipcbuf.h
 683 //----------------------------------------------------------------------
 684
 685 struct vki_ipc64_perm
 686 {
 687         __vki_kernel_key_t      key;
 688         __vki_kernel_uid32_t    uid;
 689         __vki_kernel_gid32_t    gid;
 690         __vki_kernel_uid32_t    cuid;
 691         __vki_kernel_gid32_t    cgid;
 692         __vki_kernel_mode_t     mode;
 693         unsigned short          __pad1;
 694         unsigned short          seq;
 695         unsigned short          __pad2;
 696         unsigned long           __unused1;
 697         unsigned long           __unused2;
 698 };
 699
 700 //----------------------------------------------------------------------
 701 // From linux-2.6.8.1/include/asm-i386/sembuf.h
 702 //----------------------------------------------------------------------
 703
 704 struct vki_semid64_ds {
 705         struct vki_ipc64_perm sem_perm;         /* permissions .. see ipc.h */
 706         __vki_kernel_time_t     sem_otime;              /* last semop time */
 707         unsigned long   __unused1;
 708         __vki_kernel_time_t     sem_ctime;              /* last change time */
 709         unsigned long   __unused2;
 710         unsigned long   sem_nsems;              /* no. of semaphores in array */
 711         unsigned long   __unused3;
 712         unsigned long   __unused4;
 713 };
 714
 715 //----------------------------------------------------------------------
 716 // From linux-2.6.8.1/include/asm-i386/msgbuf.h
 717 //----------------------------------------------------------------------
 718
 719 struct vki_msqid64_ds {
 720         struct vki_ipc64_perm msg_perm;
 721         __vki_kernel_time_t msg_stime;  /* last msgsnd time */
 722         unsigned long   __unused1;
 723         __vki_kernel_time_t msg_rtime;  /* last msgrcv time */
 724         unsigned long   __unused2;
 725         __vki_kernel_time_t msg_ctime;  /* last change time */
 726         unsigned long   __unused3;
 727         unsigned long  msg_cbytes;      /* current number of bytes on queue */
 728         unsigned long  msg_qnum;        /* number of messages in queue */
 729         unsigned long  msg_qbytes;      /* max number of bytes on queue */
 730         __vki_kernel_pid_t msg_lspid;   /* pid of last msgsnd */
 731         __vki_kernel_pid_t msg_lrpid;   /* last receive pid */
 732         unsigned long  __unused4;
 733         unsigned long  __unused5;
 734 };
 735
 736 //----------------------------------------------------------------------
 737 // From linux-2.6.8.1/include/asm-i386/ipc.h
 738 //----------------------------------------------------------------------
 739
 740 struct vki_ipc_kludge {
 741         struct vki_msgbuf __user *msgp;
 742         long msgtyp;
 743 };
 744
 745 #define VKI_SEMOP                1
 746 #define VKI_SEMGET               2
 747 #define VKI_SEMCTL               3
 748 #define VKI_SEMTIMEDOP           4
 749 #define VKI_MSGSND              11
 750 #define VKI_MSGRCV              12
 751 #define VKI_MSGGET              13
 752 #define VKI_MSGCTL              14
 753 #define VKI_SHMAT               21
 754 #define VKI_SHMDT               22
 755 #define VKI_SHMGET              23
 756 #define VKI_SHMCTL              24
 757
 758
 759 //----------------------------------------------------------------------
 760 // From linux-2.6.8.1/include/asm-i386/shmbuf.h
 761 //----------------------------------------------------------------------
 762
 763 struct vki_shmid64_ds {
 764         struct vki_ipc64_perm   shm_perm;       /* operation perms */
 765         vki_size_t              shm_segsz;      /* size of segment (bytes) */
 766         __vki_kernel_time_t     shm_atime;      /* last attach time */
 767         unsigned long           __unused1;
 768         __vki_kernel_time_t     shm_dtime;      /* last detach time */
 769         unsigned long           __unused2;
 770         __vki_kernel_time_t     shm_ctime;      /* last change time */
 771         unsigned long           __unused3;
 772         __vki_kernel_pid_t      shm_cpid;       /* pid of creator */
 773         __vki_kernel_pid_t      shm_lpid;       /* pid of last operator */
 774         unsigned long           shm_nattch;     /* no. of current attaches */
 775         unsigned long           __unused4;
 776         unsigned long           __unused5;
 777 };
 778
 779 struct vki_shminfo64 {
 780         unsigned long   shmmax;
 781         unsigned long   shmmin;
 782         unsigned long   shmmni;
 783         unsigned long   shmseg;
 784         unsigned long   shmall;
 785         unsigned long   __unused1;
 786         unsigned long   __unused2;
 787         unsigned long   __unused3;
 788         unsigned long   __unused4;
 789 };
 790
 791 //----------------------------------------------------------------------
 792 // DRM ioctls
 793 //----------------------------------------------------------------------
 794
 795 // jrs 20050207: where did all this stuff come from?  Is it really
 796 // i386 specific, or should it go into the linux-generic category?
 797 //struct vki_drm_buf_pub {
 798 //      Int               idx;         /**< Index into the master buffer list */
 799 //      Int               total;       /**< Buffer size */
 800 //      Int               used;        /**< Amount of buffer in use (for DMA) */
 801 //      void      __user *address;     /**< Address of buffer */
 802 //};
 803 //
 804 //struct vki_drm_buf_map {
 805 //      Int           count;            /**< Length of the buffer list */
 806 //      void          __user *virtual;  /**< Mmap'd area in user-virtual */
 807 //      struct vki_drm_buf_pub __user *list;    /**< Buffer information */
 808 //};
 809 //
 810 ///* We need to pay attention to this, because it mmaps memory */
 811 //#define VKI_DRM_IOCTL_MAP_BUFS                _VKI_IOWR('d', 0x19, struct vki_drm_buf_map)
 812
 813 //----------------------------------------------------------------------
 814 // From linux-2.6.9/include/asm-i386/ptrace.h
 815 //----------------------------------------------------------------------
 816
 817 #define VKI_PTRACE_GETREGS            12
 818 #define VKI_PTRACE_SETREGS            13
 819 #define VKI_PTRACE_GETFPREGS          14
 820 #define VKI_PTRACE_SETFPREGS          15
 821 #define VKI_PTRACE_GETFPXREGS         18
 822 #define VKI_PTRACE_SETFPXREGS         19
 823 #define VKI_PTRACE_GET_THREAD_AREA    25
 824 #define VKI_PTRACE_SET_THREAD_AREA    26
 825
 826 //----------------------------------------------------------------------
 827 // From linux-2.6.15.4/include/asm-i386/vm86.h
 828 //----------------------------------------------------------------------
 829
 830 #define VKI_VM86_PLUS_INSTALL_CHECK     0
 831 #define VKI_VM86_ENTER                  1
 832 #define VKI_VM86_ENTER_NO_BYPASS        2
 833 #define VKI_VM86_REQUEST_IRQ            3
 834 #define VKI_VM86_FREE_IRQ               4
 835 #define VKI_VM86_GET_IRQ_BITS           5
 836 #define VKI_VM86_GET_AND_RESET_IRQ      6
 837
 838 struct vki_vm86_regs {
 839 /*
 840  * normal regs, with special meaning for the segment descriptors..
 841  */
 842         long ebx;
 843         long ecx;
 844         long edx;
 845         long esi;
 846         long edi;
 847         long ebp;
 848         long eax;
 849         long __null_ds;
 850         long __null_es;
 851         long __null_fs;
 852         long __null_gs;
 853         long orig_eax;
 854         long eip;
 855         unsigned short cs, __csh;
 856         long eflags;
 857         long esp;
 858         unsigned short ss, __ssh;
 859 /*
 860  * these are specific to v86 mode:
 861  */
 862         unsigned short es, __esh;
 863         unsigned short ds, __dsh;
 864         unsigned short fs, __fsh;
 865         unsigned short gs, __gsh;
 866 };
 867
 868 struct vki_revectored_struct {
 869         unsigned long __map[8];                 /* 256 bits */
 870 };
 871
 872 struct vki_vm86_struct {
 873         struct vki_vm86_regs regs;
 874         unsigned long flags;
 875         unsigned long screen_bitmap;
 876         unsigned long cpu_type;
 877         struct vki_revectored_struct int_revectored;
 878         struct vki_revectored_struct int21_revectored;
 879 };
 880
 881 struct vki_vm86plus_info_struct {
 882         unsigned long force_return_for_pic:1;
 883         unsigned long vm86dbg_active:1;       /* for debugger */
 884         unsigned long vm86dbg_TFpendig:1;     /* for debugger */
 885         unsigned long unused:28;
 886         unsigned long is_vm86pus:1;           /* for vm86 internal use */
 887         unsigned char vm86dbg_intxxtab[32];   /* for debugger */
 888 };
 889
 890 struct vki_vm86plus_struct {
 891         struct vki_vm86_regs regs;
 892         unsigned long flags;
 893         unsigned long screen_bitmap;
 894         unsigned long cpu_type;
 895         struct vki_revectored_struct int_revectored;
 896         struct vki_revectored_struct int21_revectored;
 897         struct vki_vm86plus_info_struct vm86plus;
 898 };
 899
 900 //----------------------------------------------------------------------
 901 // From linux-2.6.8.1/include/asm-generic/errno.h
 902 //----------------------------------------------------------------------
 903
 904 #define VKI_ENOSYS       38  /* Function not implemented */
 905 #define VKI_EOVERFLOW    75  /* Value too large for defined data type */
 906
 907 //----------------------------------------------------------------------
 908 // From linux-3.19.0/include/uapi/asm-generic/ioctls.h
 909 //----------------------------------------------------------------------
 910
 911 #define VKI_TIOCGSERIAL     0x541E
 912 #define VKI_TIOCSSERIAL     0x541F
 913
 914 //----------------------------------------------------------------------
 915 // And that's it!
 916 //----------------------------------------------------------------------
 917
 918 #endif // __VKI_X86_LINUX_H
 919
 920 /*--------------------------------------------------------------------*/
 921 /*--- end                                                          ---*/
 922 /*--------------------------------------------------------------------*/