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, write to the Free Software
  25    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  26    02111-1307, USA.
  27
  28    The GNU General Public License is contained in the file COPYING.
  29 */
  30
  31 #ifndef __VKI_X86_LINUX_H
  32 #define __VKI_X86_LINUX_H
  33
  34 // x86 is little-endian.
  35 #define VKI_LITTLE_ENDIAN  1
  36
  37 //----------------------------------------------------------------------
  38 // From linux-2.6.8.1/include/asm-i386/types.h
  39 //----------------------------------------------------------------------
  40
  41 typedef unsigned char __vki_u8;
  42
  43 typedef __signed__ short __vki_s16;
  44 typedef unsigned short __vki_u16;
  45
  46 typedef __signed__ int __vki_s32;
  47 typedef unsigned int __vki_u32;
  48
  49 typedef __signed__ long long __vki_s64;
  50 typedef unsigned long long __vki_u64;
  51
  52 typedef unsigned short vki_u16;
  53
  54 typedef unsigned int vki_u32;
  55
  56 //----------------------------------------------------------------------
  57 // From linux-2.6.8.1/include/asm-i386/page.h
  58 //----------------------------------------------------------------------
  59
  60 /* PAGE_SHIFT determines the page size */
  61 #define VKI_PAGE_SHIFT  12
  62 #define VKI_PAGE_SIZE   (1UL << VKI_PAGE_SHIFT)
  63 #define VKI_MAX_PAGE_SHIFT      VKI_PAGE_SHIFT
  64 #define VKI_MAX_PAGE_SIZE       VKI_PAGE_SIZE
  65
  66 //----------------------------------------------------------------------
  67 // From linux-2.6.35.4/arch/x86/include/asm/shmparam.h
  68 //----------------------------------------------------------------------
  69
  70 #define VKI_SHMLBA  VKI_PAGE_SIZE
  71
  72 //----------------------------------------------------------------------
  73 // From linux-2.6.8.1/include/asm-i386/signal.h
  74 //----------------------------------------------------------------------
  75
  76 #define VKI_MINSIGSTKSZ 2048
  77
  78 #define VKI_SIG_BLOCK          0        /* for blocking signals */
  79 #define VKI_SIG_UNBLOCK        1        /* for unblocking signals */
  80 #define VKI_SIG_SETMASK        2        /* for setting the signal mask */
  81
  82 /* Type of a signal handler.  */
  83 typedef void __vki_signalfn_t(int);
  84 typedef __vki_signalfn_t __user *__vki_sighandler_t;
  85
  86 typedef void __vki_restorefn_t(void);
  87 typedef __vki_restorefn_t __user *__vki_sigrestore_t;
  88
  89 #define VKI_SIG_DFL     ((__vki_sighandler_t)0) /* default signal handling */
  90 #define VKI_SIG_IGN     ((__vki_sighandler_t)1) /* ignore signal */
  91
  92 #define _VKI_NSIG       64
  93 #define _VKI_NSIG_BPW   32
  94 #define _VKI_NSIG_WORDS (_VKI_NSIG / _VKI_NSIG_BPW)
  95
  96 typedef unsigned long vki_old_sigset_t;         /* at least 32 bits */
  97
  98 typedef struct {
  99         unsigned long sig[_VKI_NSIG_WORDS];
 100 } vki_sigset_t;
 101
 102 #define VKI_SIGHUP               1
 103 #define VKI_SIGINT               2
 104 #define VKI_SIGQUIT              3
 105 #define VKI_SIGILL               4
 106 #define VKI_SIGTRAP              5
 107 #define VKI_SIGABRT              6
 108 //#define VKI_SIGIOT             6
 109 #define VKI_SIGBUS               7
 110 #define VKI_SIGFPE               8
 111 #define VKI_SIGKILL              9
 112 #define VKI_SIGUSR1             10
 113 #define VKI_SIGSEGV             11
 114 #define VKI_SIGUSR2             12
 115 #define VKI_SIGPIPE             13
 116 #define VKI_SIGALRM             14
 117 #define VKI_SIGTERM             15
 118 #define VKI_SIGSTKFLT           16
 119 #define VKI_SIGCHLD             17
 120 #define VKI_SIGCONT             18
 121 #define VKI_SIGSTOP             19
 122 #define VKI_SIGTSTP             20
 123 #define VKI_SIGTTIN             21
 124 #define VKI_SIGTTOU             22
 125 #define VKI_SIGURG              23
 126 #define VKI_SIGXCPU             24
 127 #define VKI_SIGXFSZ             25
 128 #define VKI_SIGVTALRM           26
 129 #define VKI_SIGPROF             27
 130 #define VKI_SIGWINCH            28
 131 #define VKI_SIGIO               29
 132 #define VKI_SIGPWR              30
 133 #define VKI_SIGSYS              31
 134 #define VKI_SIGUNUSED           31
 135
 136 /* These should not be considered constants from userland.  */
 137 #define VKI_SIGRTMIN    32
 138 // [[This was (_NSIG-1) in 2.4.X... not sure if it matters.]]
 139 #define VKI_SIGRTMAX    _VKI_NSIG
 140
 141 #define VKI_SA_NOCLDSTOP        0x00000001u
 142 #define VKI_SA_NOCLDWAIT        0x00000002u
 143 #define VKI_SA_SIGINFO          0x00000004u
 144 #define VKI_SA_ONSTACK          0x08000000u
 145 #define VKI_SA_RESTART          0x10000000u
 146 #define VKI_SA_NODEFER          0x40000000u
 147 #define VKI_SA_RESETHAND        0x80000000u
 148
 149 #define VKI_SA_NOMASK           VKI_SA_NODEFER
 150 #define VKI_SA_ONESHOT          VKI_SA_RESETHAND
 151 //#define VKI_SA_INTERRUPT      0x20000000 /* dummy -- ignored */
 152
 153 #define VKI_SA_RESTORER         0x04000000
 154
 155 #define VKI_SS_ONSTACK  1
 156 #define VKI_SS_DISABLE  2
 157
 158 /* These are 'legacy' sigactions in which the size of sa_mask is fixed
 159    (cannot be expanded at any future point) because it is sandwiched
 160    between two other fields.
 161    (there is identical kludgery in vki-ppc32-linux.h) */
 162 struct vki_old_sigaction {
 163         // [[Nb: a 'k' prefix is added to "sa_handler" because
 164         // bits/sigaction.h (which gets dragged in somehow via signal.h)
 165         // #defines it as something else.  Since that is done for glibc's
 166         // purposes, which we don't care about here, we use our own name.]]
 167         __vki_sighandler_t ksa_handler;
 168         vki_old_sigset_t sa_mask;
 169         unsigned long sa_flags;
 170         __vki_sigrestore_t sa_restorer;
 171 };
 172
 173 struct vki_sigaction_base {
 174         // [[See comment about extra 'k' above]]
 175         __vki_sighandler_t ksa_handler;
 176         unsigned long sa_flags;
 177         __vki_sigrestore_t sa_restorer;
 178         vki_sigset_t sa_mask;           /* mask last for extensibility */
 179 };
 180
 181 /* On Linux we use the same type for passing sigactions to
 182    and from the kernel.  Hence: */
 183 typedef  struct vki_sigaction_base  vki_sigaction_toK_t;
 184 typedef  struct vki_sigaction_base  vki_sigaction_fromK_t;
 185
 186
 187 typedef struct vki_sigaltstack {
 188         void __user *ss_sp;
 189         int ss_flags;
 190         vki_size_t ss_size;
 191 } vki_stack_t;
 192
 193 //----------------------------------------------------------------------
 194 // From linux-2.6.8.1/include/asm-i386/sigcontext.h
 195 //----------------------------------------------------------------------
 196
 197 struct _vki_fpreg {
 198         unsigned short significand[4];
 199         unsigned short exponent;
 200 };
 201
 202 struct _vki_fpxreg {
 203         unsigned short significand[4];
 204         unsigned short exponent;
 205         unsigned short padding[3];
 206 };
 207
 208 struct _vki_xmmreg {
 209         unsigned long element[4];
 210 };
 211
 212 struct _vki_fpstate {
 213         /* Regular FPU environment */
 214         unsigned long   cw;
 215         unsigned long   sw;
 216         unsigned long   tag;
 217         unsigned long   ipoff;
 218         unsigned long   cssel;
 219         unsigned long   dataoff;
 220         unsigned long   datasel;
 221         struct _vki_fpreg       _st[8];
 222         unsigned short  status;
 223         unsigned short  magic;          /* 0xffff = regular FPU data only */
 224
 225         /* FXSR FPU environment */
 226         unsigned long   _fxsr_env[6];   /* FXSR FPU env is ignored */
 227         unsigned long   mxcsr;
 228         unsigned long   reserved;
 229         struct _vki_fpxreg      _fxsr_st[8];    /* FXSR FPU reg data is ignored */
 230         struct _vki_xmmreg      _xmm[8];
 231         unsigned long   padding[56];
 232 };
 233
 234 struct vki_sigcontext {
 235         unsigned short gs, __gsh;
 236         unsigned short fs, __fsh;
 237         unsigned short es, __esh;
 238         unsigned short ds, __dsh;
 239         unsigned long edi;
 240         unsigned long esi;
 241         unsigned long ebp;
 242         unsigned long esp;
 243         unsigned long ebx;
 244         unsigned long edx;
 245         unsigned long ecx;
 246         unsigned long eax;
 247         unsigned long trapno;
 248         unsigned long err;
 249         unsigned long eip;
 250         unsigned short cs, __csh;
 251         unsigned long eflags;
 252         unsigned long esp_at_signal;
 253         unsigned short ss, __ssh;
 254         struct _vki_fpstate __user * fpstate;
 255         unsigned long oldmask;
 256         unsigned long cr2;
 257 };
 258
 259 //----------------------------------------------------------------------
 260 // From linux-2.6.8.1/include/asm-i386/mman.h
 261 //----------------------------------------------------------------------
 262
 263 #define VKI_PROT_NONE   0x0             /* No page permissions */
 264 #define VKI_PROT_READ   0x1             /* page can be read */
 265 #define VKI_PROT_WRITE  0x2             /* page can be written */
 266 #define VKI_PROT_EXEC   0x4             /* page can be executed */
 267 #define VKI_PROT_GROWSDOWN      0x01000000      /* mprotect flag: extend change to start of growsdown vma */
 268 #define VKI_PROT_GROWSUP        0x02000000      /* mprotect flag: extend change to end of growsup vma */
 269
 270 #define VKI_MAP_SHARED  0x01            /* Share changes */
 271 #define VKI_MAP_PRIVATE 0x02            /* Changes are private */
 272 //#define VKI_MAP_TYPE  0x0f            /* Mask for type of mapping */
 273 #define VKI_MAP_FIXED   0x10            /* Interpret addr exactly */
 274 #define VKI_MAP_ANONYMOUS       0x20    /* don't use a file */
 275 #define VKI_MAP_NORESERVE       0x4000          /* don't check for reservations */
 276
 277 //----------------------------------------------------------------------
 278 // From linux-2.6.8.1/include/asm-i386/fcntl.h
 279 //----------------------------------------------------------------------
 280
 281 #define VKI_O_ACCMODE        03
 282 #define VKI_O_RDONLY         00
 283 #define VKI_O_WRONLY         01
 284 #define VKI_O_RDWR           02
 285 #define VKI_O_CREAT        0100 /* not fcntl */
 286 #define VKI_O_EXCL         0200 /* not fcntl */
 287 #define VKI_O_TRUNC       01000 /* not fcntl */
 288 #define VKI_O_APPEND      02000
 289 #define VKI_O_NONBLOCK    04000
 290 #define VKI_O_LARGEFILE 0100000
 291
 292 #define VKI_AT_FDCWD            -100
 293
 294 #define VKI_F_DUPFD             0       /* dup */
 295 #define VKI_F_GETFD             1       /* get close_on_exec */
 296 #define VKI_F_SETFD             2       /* set/clear close_on_exec */
 297 #define VKI_F_GETFL             3       /* get file->f_flags */
 298 #define VKI_F_SETFL             4       /* set file->f_flags */
 299 #define VKI_F_GETLK             5
 300 #define VKI_F_SETLK             6
 301 #define VKI_F_SETLKW            7
 302
 303 #define VKI_F_SETOWN            8       /*  for sockets. */
 304 #define VKI_F_GETOWN            9       /*  for sockets. */
 305 #define VKI_F_SETSIG            10      /*  for sockets. */
 306 #define VKI_F_GETSIG            11      /*  for sockets. */
 307
 308 #define VKI_F_GETLK64           12      /*  using 'struct flock64' */
 309 #define VKI_F_SETLK64           13
 310 #define VKI_F_SETLKW64          14
 311
 312 #define VKI_F_SETOWN_EX         15
 313 #define VKI_F_GETOWN_EX         16
 314
 315 #define VKI_F_OFD_GETLK         36
 316 #define VKI_F_OFD_SETLK         37
 317 #define VKI_F_OFD_SETLKW        38
 318
 319 #define VKI_F_OWNER_TID         0
 320 #define VKI_F_OWNER_PID         1
 321 #define VKI_F_OWNER_PGRP        2
 322
 323 struct vki_f_owner_ex {
 324         int     type;
 325         __vki_kernel_pid_t      pid;
 326 };
 327
 328 /* for F_[GET|SET]FL */
 329 #define VKI_FD_CLOEXEC  1       /* actually anything with low bit set goes */
 330
 331 #define VKI_F_LINUX_SPECIFIC_BASE       1024
 332
 333 //----------------------------------------------------------------------
 334 // From linux-2.6.8.1/include/asm-i386/resource.h
 335 //----------------------------------------------------------------------
 336
 337 #define VKI_RLIMIT_DATA         2       /* max data size */
 338 #define VKI_RLIMIT_STACK        3       /* max stack size */
 339 #define VKI_RLIMIT_CORE         4       /* max core file size */
 340 #define VKI_RLIMIT_NOFILE       7       /* max number of open files */
 341
 342 //----------------------------------------------------------------------
 343 // From linux-2.6.8.1/include/asm-i386/socket.h
 344 //----------------------------------------------------------------------
 345
 346 #define VKI_SOL_SOCKET  1
 347
 348 #define VKI_SO_TYPE     3
 349
 350 #define VKI_SO_ATTACH_FILTER    26
 351
 352 //----------------------------------------------------------------------
 353 // From linux-2.6.8.1/include/asm-i386/sockios.h
 354 //----------------------------------------------------------------------
 355
 356 #define VKI_SIOCSPGRP           0x8902
 357 #define VKI_SIOCGPGRP           0x8904
 358 #define VKI_SIOCATMARK          0x8905
 359 #define VKI_SIOCGSTAMP          0x8906          /* Get stamp (timeval) */
 360 #define VKI_SIOCGSTAMPNS        0x8907          /* Get stamp (timespec) */
 361
 362 //----------------------------------------------------------------------
 363 // From linux-2.6.8.1/include/asm-i386/stat.h
 364 //----------------------------------------------------------------------
 365
 366 struct vki_stat {
 367         unsigned long  st_dev;
 368         unsigned long  st_ino;
 369         unsigned short st_mode;
 370         unsigned short st_nlink;
 371         unsigned short st_uid;
 372         unsigned short st_gid;
 373         unsigned long  st_rdev;
 374         unsigned long  st_size;
 375         unsigned long  st_blksize;
 376         unsigned long  st_blocks;
 377         unsigned long  st_atime;
 378         unsigned long  st_atime_nsec;
 379         unsigned long  st_mtime;
 380         unsigned long  st_mtime_nsec;
 381         unsigned long  st_ctime;
 382         unsigned long  st_ctime_nsec;
 383         unsigned long  __unused4;
 384         unsigned long  __unused5;
 385 };
 386
 387 struct vki_stat64 {
 388         unsigned long long      st_dev;
 389         unsigned char   __pad0[4];
 390
 391 #define STAT64_HAS_BROKEN_ST_INO        1
 392         unsigned long   __st_ino;
 393
 394         unsigned int    st_mode;
 395         unsigned int    st_nlink;
 396
 397         unsigned long   st_uid;
 398         unsigned long   st_gid;
 399
 400         unsigned long long      st_rdev;
 401         unsigned char   __pad3[4];
 402
 403         long long       st_size;
 404         unsigned long   st_blksize;
 405
 406         unsigned long   st_blocks;      /* Number 512-byte blocks allocated. */
 407         unsigned long   __pad4;         /* future possible st_blocks high bits */
 408
 409         unsigned long   st_atime;
 410         unsigned long   st_atime_nsec;
 411
 412         unsigned long   st_mtime;
 413         unsigned int    st_mtime_nsec;
 414
 415         unsigned long   st_ctime;
 416         unsigned long   st_ctime_nsec;
 417
 418         unsigned long long      st_ino;
 419 };
 420
 421 //----------------------------------------------------------------------
 422 // From linux-2.6.8.1/include/asm-i386/statfs.h
 423 //----------------------------------------------------------------------
 424
 425 // [[Nb: asm-i386/statfs.h just #include asm-generic/statfs.h directly]]
 426 struct vki_statfs {
 427         __vki_u32 f_type;
 428         __vki_u32 f_bsize;
 429         __vki_u32 f_blocks;
 430         __vki_u32 f_bfree;
 431         __vki_u32 f_bavail;
 432         __vki_u32 f_files;
 433         __vki_u32 f_ffree;
 434         __vki_kernel_fsid_t f_fsid;
 435         __vki_u32 f_namelen;
 436         __vki_u32 f_frsize;
 437         __vki_u32 f_spare[5];
 438 };
 439
 440 //----------------------------------------------------------------------
 441 // From linux-2.6.8.1/include/asm-i386/termios.h
 442 //----------------------------------------------------------------------
 443
 444 struct vki_winsize {
 445         unsigned short ws_row;
 446         unsigned short ws_col;
 447         unsigned short ws_xpixel;
 448         unsigned short ws_ypixel;
 449 };
 450
 451 #define VKI_NCC 8
 452 struct vki_termio {
 453         unsigned short c_iflag;         /* input mode flags */
 454         unsigned short c_oflag;         /* output mode flags */
 455         unsigned short c_cflag;         /* control mode flags */
 456         unsigned short c_lflag;         /* local mode flags */
 457         unsigned char c_line;           /* line discipline */
 458         unsigned char c_cc[VKI_NCC];    /* control characters */
 459 };
 460
 461
 462 //----------------------------------------------------------------------
 463 // From linux-2.6.8.1/include/asm-i386/termbits.h
 464 //----------------------------------------------------------------------
 465
 466 typedef unsigned char   vki_cc_t;
 467 typedef unsigned int    vki_tcflag_t;
 468
 469 #define VKI_NCCS 19
 470 struct vki_termios {
 471         vki_tcflag_t c_iflag;           /* input mode flags */
 472         vki_tcflag_t c_oflag;           /* output mode flags */
 473         vki_tcflag_t c_cflag;           /* control mode flags */
 474         vki_tcflag_t c_lflag;           /* local mode flags */
 475         vki_cc_t c_line;                /* line discipline */
 476         vki_cc_t c_cc[VKI_NCCS];        /* control characters */
 477 };
 478
 479 //----------------------------------------------------------------------
 480 // From linux-2.6.8.1/include/asm-i386/ioctl.h
 481 //----------------------------------------------------------------------
 482
 483 #define _VKI_IOC_NRBITS         8
 484 #define _VKI_IOC_TYPEBITS       8
 485 #define _VKI_IOC_SIZEBITS       14
 486 #define _VKI_IOC_DIRBITS        2
 487
 488 #define _VKI_IOC_NRMASK         ((1 << _VKI_IOC_NRBITS)-1)
 489 #define _VKI_IOC_TYPEMASK       ((1 << _VKI_IOC_TYPEBITS)-1)
 490 #define _VKI_IOC_SIZEMASK       ((1 << _VKI_IOC_SIZEBITS)-1)
 491 #define _VKI_IOC_DIRMASK        ((1 << _VKI_IOC_DIRBITS)-1)
 492
 493 #define _VKI_IOC_NRSHIFT        0
 494 #define _VKI_IOC_TYPESHIFT      (_VKI_IOC_NRSHIFT+_VKI_IOC_NRBITS)
 495 #define _VKI_IOC_SIZESHIFT      (_VKI_IOC_TYPESHIFT+_VKI_IOC_TYPEBITS)
 496 #define _VKI_IOC_DIRSHIFT       (_VKI_IOC_SIZESHIFT+_VKI_IOC_SIZEBITS)
 497
 498 #define _VKI_IOC_NONE   0U
 499 #define _VKI_IOC_WRITE  1U
 500 #define _VKI_IOC_READ   2U
 501
 502 #define _VKI_IOC(dir,type,nr,size) \
 503         (((dir)  << _VKI_IOC_DIRSHIFT) | \
 504          ((type) << _VKI_IOC_TYPESHIFT) | \
 505          ((nr)   << _VKI_IOC_NRSHIFT) | \
 506          ((size) << _VKI_IOC_SIZESHIFT))
 507
 508 /* used to create numbers */
 509 #define _VKI_IO(type,nr)        _VKI_IOC(_VKI_IOC_NONE,(type),(nr),0)
 510 #define _VKI_IOR(type,nr,size)  _VKI_IOC(_VKI_IOC_READ,(type),(nr),(_VKI_IOC_TYPECHECK(size)))
 511 #define _VKI_IOW(type,nr,size)  _VKI_IOC(_VKI_IOC_WRITE,(type),(nr),(_VKI_IOC_TYPECHECK(size)))
 512 #define _VKI_IOWR(type,nr,size) _VKI_IOC(_VKI_IOC_READ|_VKI_IOC_WRITE,(type),(nr),(_VKI_IOC_TYPECHECK(size)))
 513
 514 /* used to decode ioctl numbers.. */
 515 #define _VKI_IOC_DIR(nr)        (((nr) >> _VKI_IOC_DIRSHIFT) & _VKI_IOC_DIRMASK)
 516 #define _VKI_IOC_TYPE(nr)       (((nr) >> _VKI_IOC_TYPESHIFT) & _VKI_IOC_TYPEMASK)
 517 #define _VKI_IOC_NR(nr)         (((nr) >> _VKI_IOC_NRSHIFT) & _VKI_IOC_NRMASK)
 518 #define _VKI_IOC_SIZE(nr)       (((nr) >> _VKI_IOC_SIZESHIFT) & _VKI_IOC_SIZEMASK)
 519
 520 //----------------------------------------------------------------------
 521 // From linux-2.6.8.1/include/asm-i386/ioctls.h
 522 //----------------------------------------------------------------------
 523
 524 #define VKI_TCGETS      0x5401
 525 #define VKI_TCSETS      0x5402 /* Clashes with SNDCTL_TMR_START sound ioctl */
 526 #define VKI_TCSETSW     0x5403
 527 #define VKI_TCSETSF     0x5404
 528 #define VKI_TCGETA      0x5405
 529 #define VKI_TCSETA      0x5406
 530 #define VKI_TCSETAW     0x5407
 531 #define VKI_TCSETAF     0x5408
 532 #define VKI_TCSBRK      0x5409
 533 #define VKI_TCXONC      0x540A
 534 #define VKI_TCFLSH      0x540B
 535 #define VKI_TIOCSCTTY   0x540E
 536 #define VKI_TIOCGPGRP   0x540F
 537 #define VKI_TIOCSPGRP   0x5410
 538 #define VKI_TIOCOUTQ    0x5411
 539 #define VKI_TIOCGWINSZ  0x5413
 540 #define VKI_TIOCSWINSZ  0x5414
 541 #define VKI_TIOCMGET    0x5415
 542 #define VKI_TIOCMBIS    0x5416
 543 #define VKI_TIOCMBIC    0x5417
 544 #define VKI_TIOCMSET    0x5418
 545 #define VKI_FIONREAD    0x541B
 546 #define VKI_TIOCLINUX   0x541C
 547 #define VKI_FIONBIO     0x5421
 548 #define VKI_TIOCNOTTY   0x5422
 549 #define VKI_TCSBRKP     0x5425  /* Needed for POSIX tcsendbreak() */
 550 #define VKI_TIOCGPTN    _VKI_IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */
 551 #define VKI_TIOCSPTLCK  _VKI_IOW('T',0x31, int)  /* Lock/unlock Pty */
 552
 553 #define VKI_FIONCLEX    0x5450
 554 #define VKI_FIOCLEX     0x5451
 555 #define VKI_FIOASYNC    0x5452
 556 #define VKI_TIOCSERGETLSR   0x5459 /* Get line status register */
 557
 558 #define VKI_TIOCGICOUNT 0x545D  /* read serial port inline interrupt counts */
 559
 560 //----------------------------------------------------------------------
 561 // From linux-2.6.8.1/include/asm-i386/poll.h
 562 //----------------------------------------------------------------------
 563
 564 /* These are specified by iBCS2 */
 565 #define VKI_POLLIN              0x0001
 566
 567 struct vki_pollfd {
 568         int fd;
 569         short events;
 570         short revents;
 571 };
 572
 573 //----------------------------------------------------------------------
 574 // From linux-2.6.8.1/include/asm-i386/user.h
 575 //----------------------------------------------------------------------
 576
 577 struct vki_user_i387_struct {
 578         long    cwd;
 579         long    swd;
 580         long    twd;
 581         long    fip;
 582         long    fcs;
 583         long    foo;
 584         long    fos;
 585         long    st_space[20];   /* 8*10 bytes for each FP-reg = 80 bytes */
 586 };
 587
 588 struct vki_user_fxsr_struct {
 589         unsigned short  cwd;
 590         unsigned short  swd;
 591         unsigned short  twd;
 592         unsigned short  fop;
 593         long    fip;
 594         long    fcs;
 595         long    foo;
 596         long    fos;
 597         long    mxcsr;
 598         long    reserved;
 599         long    st_space[32];   /* 8*16 bytes for each FP-reg = 128 bytes */
 600         long    xmm_space[32];  /* 8*16 bytes for each XMM-reg = 128 bytes */
 601         long    padding[56];
 602 };
 603
 604 /*
 605  * This is the old layout of "struct pt_regs", and
 606  * is still the layout used by user mode (the new
 607  * pt_regs doesn't have all registers as the kernel
 608  * doesn't use the extra segment registers)
 609  */
 610 struct vki_user_regs_struct {
 611         long ebx, ecx, edx, esi, edi, ebp, eax;
 612         unsigned short ds, __ds, es, __es;
 613         unsigned short fs, __fs, gs, __gs;
 614         long orig_eax, eip;
 615         unsigned short cs, __cs;
 616         long eflags, esp;
 617         unsigned short ss, __ss;
 618 };
 619
 620 //----------------------------------------------------------------------
 621 // From linux-2.6.8.1/include/asm-i386/elf.h
 622 //----------------------------------------------------------------------
 623
 624 typedef unsigned long vki_elf_greg_t;
 625
 626 #define VKI_ELF_NGREG (sizeof (struct vki_user_regs_struct) / sizeof(vki_elf_greg_t))
 627 typedef vki_elf_greg_t vki_elf_gregset_t[VKI_ELF_NGREG];
 628
 629 typedef struct vki_user_i387_struct vki_elf_fpregset_t;
 630 typedef struct vki_user_fxsr_struct vki_elf_fpxregset_t;
 631
 632 #define VKI_AT_SYSINFO          32
 633
 634 //----------------------------------------------------------------------
 635 // From linux-2.6.8.1/include/asm-i386/ucontext.h
 636 //----------------------------------------------------------------------
 637
 638 struct vki_ucontext {
 639         unsigned long           uc_flags;
 640         struct vki_ucontext    *uc_link;
 641         vki_stack_t             uc_stack;
 642         struct vki_sigcontext   uc_mcontext;
 643         vki_sigset_t            uc_sigmask;     /* mask last for extensibility */
 644 };
 645
 646 //----------------------------------------------------------------------
 647 // From linux-2.6.8.1/include/asm-i386/segment.h
 648 //----------------------------------------------------------------------
 649
 650 #define VKI_GDT_ENTRY_TLS_ENTRIES       3
 651 #define VKI_GDT_ENTRY_TLS_MIN   6
 652 #define VKI_GDT_ENTRY_TLS_MAX   (VKI_GDT_ENTRY_TLS_MIN + VKI_GDT_ENTRY_TLS_ENTRIES - 1)
 653
 654 //----------------------------------------------------------------------
 655 // From linux-2.6.8.1/include/asm-i386/ldt.h
 656 //----------------------------------------------------------------------
 657
 658 /* [[Nb: This is the structure passed to the modify_ldt syscall.  Just so as
 659    to confuse and annoy everyone, this is _not_ the same as an
 660    VgLdtEntry and has to be translated into such.  The logic for doing
 661    so, in vg_ldt.c, is copied from the kernel sources.]] */
 662 struct vki_user_desc {
 663         unsigned int  entry_number;
 664         unsigned long base_addr;
 665         unsigned int  limit;
 666         unsigned int  seg_32bit:1;
 667         unsigned int  contents:2;
 668         unsigned int  read_exec_only:1;
 669         unsigned int  limit_in_pages:1;
 670         unsigned int  seg_not_present:1;
 671         unsigned int  useable:1;
 672         // [[Nb: this field is not in the kernel sources, but it has always
 673         // been in the Valgrind sources so I will keep it there in case it's
 674         // important... this is an x86-defined data structure so who
 675         // knows;  maybe it's important to set this field to zero at some
 676         // point.  --njn]]
 677         unsigned int  reserved:25;
 678 };
 679
 680 // [[Nb: for our convenience within Valgrind, use a more specific name]]
 681 typedef struct vki_user_desc vki_modify_ldt_t;
 682
 683 //----------------------------------------------------------------------
 684 // From linux-2.6.8.1/include/asm-i386/ipcbuf.h
 685 //----------------------------------------------------------------------
 686
 687 struct vki_ipc64_perm
 688 {
 689         __vki_kernel_key_t      key;
 690         __vki_kernel_uid32_t    uid;
 691         __vki_kernel_gid32_t    gid;
 692         __vki_kernel_uid32_t    cuid;
 693         __vki_kernel_gid32_t    cgid;
 694         __vki_kernel_mode_t     mode;
 695         unsigned short          __pad1;
 696         unsigned short          seq;
 697         unsigned short          __pad2;
 698         unsigned long           __unused1;
 699         unsigned long           __unused2;
 700 };
 701
 702 //----------------------------------------------------------------------
 703 // From linux-2.6.8.1/include/asm-i386/sembuf.h
 704 //----------------------------------------------------------------------
 705
 706 struct vki_semid64_ds {
 707         struct vki_ipc64_perm sem_perm;         /* permissions .. see ipc.h */
 708         __vki_kernel_time_t     sem_otime;              /* last semop time */
 709         unsigned long   __unused1;
 710         __vki_kernel_time_t     sem_ctime;              /* last change time */
 711         unsigned long   __unused2;
 712         unsigned long   sem_nsems;              /* no. of semaphores in array */
 713         unsigned long   __unused3;
 714         unsigned long   __unused4;
 715 };
 716
 717 //----------------------------------------------------------------------
 718 // From linux-2.6.8.1/include/asm-i386/msgbuf.h
 719 //----------------------------------------------------------------------
 720
 721 struct vki_msqid64_ds {
 722         struct vki_ipc64_perm msg_perm;
 723         __vki_kernel_time_t msg_stime;  /* last msgsnd time */
 724         unsigned long   __unused1;
 725         __vki_kernel_time_t msg_rtime;  /* last msgrcv time */
 726         unsigned long   __unused2;
 727         __vki_kernel_time_t msg_ctime;  /* last change time */
 728         unsigned long   __unused3;
 729         unsigned long  msg_cbytes;      /* current number of bytes on queue */
 730         unsigned long  msg_qnum;        /* number of messages in queue */
 731         unsigned long  msg_qbytes;      /* max number of bytes on queue */
 732         __vki_kernel_pid_t msg_lspid;   /* pid of last msgsnd */
 733         __vki_kernel_pid_t msg_lrpid;   /* last receive pid */
 734         unsigned long  __unused4;
 735         unsigned long  __unused5;
 736 };
 737
 738 //----------------------------------------------------------------------
 739 // From linux-2.6.8.1/include/asm-i386/ipc.h
 740 //----------------------------------------------------------------------
 741
 742 struct vki_ipc_kludge {
 743         struct vki_msgbuf __user *msgp;
 744         long msgtyp;
 745 };
 746
 747 #define VKI_SEMOP                1
 748 #define VKI_SEMGET               2
 749 #define VKI_SEMCTL               3
 750 #define VKI_SEMTIMEDOP           4
 751 #define VKI_MSGSND              11
 752 #define VKI_MSGRCV              12
 753 #define VKI_MSGGET              13
 754 #define VKI_MSGCTL              14
 755 #define VKI_SHMAT               21
 756 #define VKI_SHMDT               22
 757 #define VKI_SHMGET              23
 758 #define VKI_SHMCTL              24
 759
 760
 761 //----------------------------------------------------------------------
 762 // From linux-2.6.8.1/include/asm-i386/shmbuf.h
 763 //----------------------------------------------------------------------
 764
 765 struct vki_shmid64_ds {
 766         struct vki_ipc64_perm   shm_perm;       /* operation perms */
 767         vki_size_t              shm_segsz;      /* size of segment (bytes) */
 768         __vki_kernel_time_t     shm_atime;      /* last attach time */
 769         unsigned long           __unused1;
 770         __vki_kernel_time_t     shm_dtime;      /* last detach time */
 771         unsigned long           __unused2;
 772         __vki_kernel_time_t     shm_ctime;      /* last change time */
 773         unsigned long           __unused3;
 774         __vki_kernel_pid_t      shm_cpid;       /* pid of creator */
 775         __vki_kernel_pid_t      shm_lpid;       /* pid of last operator */
 776         unsigned long           shm_nattch;     /* no. of current attaches */
 777         unsigned long           __unused4;
 778         unsigned long           __unused5;
 779 };
 780
 781 struct vki_shminfo64 {
 782         unsigned long   shmmax;
 783         unsigned long   shmmin;
 784         unsigned long   shmmni;
 785         unsigned long   shmseg;
 786         unsigned long   shmall;
 787         unsigned long   __unused1;
 788         unsigned long   __unused2;
 789         unsigned long   __unused3;
 790         unsigned long   __unused4;
 791 };
 792
 793 //----------------------------------------------------------------------
 794 // DRM ioctls
 795 //----------------------------------------------------------------------
 796
 797 // jrs 20050207: where did all this stuff come from?  Is it really
 798 // i386 specific, or should it go into the linux-generic category?
 799 //struct vki_drm_buf_pub {
 800 //      Int               idx;         /**< Index into the master buffer list */
 801 //      Int               total;       /**< Buffer size */
 802 //      Int               used;        /**< Amount of buffer in use (for DMA) */
 803 //      void      __user *address;     /**< Address of buffer */
 804 //};
 805 //
 806 //struct vki_drm_buf_map {
 807 //      Int           count;            /**< Length of the buffer list */
 808 //      void          __user *virtual;  /**< Mmap'd area in user-virtual */
 809 //      struct vki_drm_buf_pub __user *list;    /**< Buffer information */
 810 //};
 811 //
 812 ///* We need to pay attention to this, because it mmaps memory */
 813 //#define VKI_DRM_IOCTL_MAP_BUFS                _VKI_IOWR('d', 0x19, struct vki_drm_buf_map)
 814
 815 //----------------------------------------------------------------------
 816 // From linux-2.6.9/include/asm-i386/ptrace.h
 817 //----------------------------------------------------------------------
 818
 819 #define VKI_PTRACE_GETREGS            12
 820 #define VKI_PTRACE_SETREGS            13
 821 #define VKI_PTRACE_GETFPREGS          14
 822 #define VKI_PTRACE_SETFPREGS          15
 823 #define VKI_PTRACE_GETFPXREGS         18
 824 #define VKI_PTRACE_SETFPXREGS         19
 825 #define VKI_PTRACE_GET_THREAD_AREA    25
 826 #define VKI_PTRACE_SET_THREAD_AREA    26
 827
 828 //----------------------------------------------------------------------
 829 // From linux-2.6.15.4/include/asm-i386/vm86.h
 830 //----------------------------------------------------------------------
 831
 832 #define VKI_VM86_PLUS_INSTALL_CHECK     0
 833 #define VKI_VM86_ENTER                  1
 834 #define VKI_VM86_ENTER_NO_BYPASS        2
 835 #define VKI_VM86_REQUEST_IRQ            3
 836 #define VKI_VM86_FREE_IRQ               4
 837 #define VKI_VM86_GET_IRQ_BITS           5
 838 #define VKI_VM86_GET_AND_RESET_IRQ      6
 839
 840 struct vki_vm86_regs {
 841 /*
 842  * normal regs, with special meaning for the segment descriptors..
 843  */
 844         long ebx;
 845         long ecx;
 846         long edx;
 847         long esi;
 848         long edi;
 849         long ebp;
 850         long eax;
 851         long __null_ds;
 852         long __null_es;
 853         long __null_fs;
 854         long __null_gs;
 855         long orig_eax;
 856         long eip;
 857         unsigned short cs, __csh;
 858         long eflags;
 859         long esp;
 860         unsigned short ss, __ssh;
 861 /*
 862  * these are specific to v86 mode:
 863  */
 864         unsigned short es, __esh;
 865         unsigned short ds, __dsh;
 866         unsigned short fs, __fsh;
 867         unsigned short gs, __gsh;
 868 };
 869
 870 struct vki_revectored_struct {
 871         unsigned long __map[8];                 /* 256 bits */
 872 };
 873
 874 struct vki_vm86_struct {
 875         struct vki_vm86_regs regs;
 876         unsigned long flags;
 877         unsigned long screen_bitmap;
 878         unsigned long cpu_type;
 879         struct vki_revectored_struct int_revectored;
 880         struct vki_revectored_struct int21_revectored;
 881 };
 882
 883 struct vki_vm86plus_info_struct {
 884         unsigned long force_return_for_pic:1;
 885         unsigned long vm86dbg_active:1;       /* for debugger */
 886         unsigned long vm86dbg_TFpendig:1;     /* for debugger */
 887         unsigned long unused:28;
 888         unsigned long is_vm86pus:1;           /* for vm86 internal use */
 889         unsigned char vm86dbg_intxxtab[32];   /* for debugger */
 890 };
 891
 892 struct vki_vm86plus_struct {
 893         struct vki_vm86_regs regs;
 894         unsigned long flags;
 895         unsigned long screen_bitmap;
 896         unsigned long cpu_type;
 897         struct vki_revectored_struct int_revectored;
 898         struct vki_revectored_struct int21_revectored;
 899         struct vki_vm86plus_info_struct vm86plus;
 900 };
 901
 902 //----------------------------------------------------------------------
 903 // From linux-2.6.8.1/include/asm-generic/errno.h
 904 //----------------------------------------------------------------------
 905
 906 #define VKI_ENOSYS       38  /* Function not implemented */
 907 #define VKI_EOVERFLOW    75  /* Value too large for defined data type */
 908
 909 //----------------------------------------------------------------------
 910 // From linux-3.19.0/include/uapi/asm-generic/ioctls.h
 911 //----------------------------------------------------------------------
 912
 913 #define VKI_TIOCGSERIAL     0x541E
 914 #define VKI_TIOCSSERIAL     0x541F
 915
 916 //----------------------------------------------------------------------
 917 // And that's it!
 918 //----------------------------------------------------------------------
 919
 920 #endif // __VKI_X86_LINUX_H
 921
 922 /*--------------------------------------------------------------------*/
 923 /*--- end                                                          ---*/
 924 /*--------------------------------------------------------------------*/