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 41typedef unsigned char __vki_u8; 42 43typedef __signed__ short __vki_s16; 44typedef unsigned short __vki_u16; 45 46typedef __signed__ int __vki_s32; 47typedef unsigned int __vki_u32; 48 49typedef __signed__ long long __vki_s64; 50typedef unsigned long long __vki_u64; 51 52typedef unsigned short vki_u16; 53 54typedef 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. */ 83typedef void __vki_signalfn_t(int); 84typedef __vki_signalfn_t __user *__vki_sighandler_t; 85 86typedef void __vki_restorefn_t(void); 87typedef __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 96typedef unsigned long vki_old_sigset_t; /* at least 32 bits */ 97 98typedef 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) */ 162struct 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 173struct 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: */ 183typedef struct vki_sigaction_base vki_sigaction_toK_t; 184typedef struct vki_sigaction_base vki_sigaction_fromK_t; 185 186 187typedef 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 197struct _vki_fpreg { 198 unsigned short significand[4]; 199 unsigned short exponent; 200}; 201 202struct _vki_fpxreg { 203 unsigned short significand[4]; 204 unsigned short exponent; 205 unsigned short padding[3]; 206}; 207 208struct _vki_xmmreg { 209 unsigned long element[4]; 210}; 211 212struct _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 234struct 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 323struct 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 366struct 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 387struct 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]] 426struct 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 444struct 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 452struct 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 466typedef unsigned char vki_cc_t; 467typedef unsigned int vki_tcflag_t; 468 469#define VKI_NCCS 19 470struct 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 567struct 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 577struct 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 588struct 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 */ 610struct 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 624typedef unsigned long vki_elf_greg_t; 625 626#define VKI_ELF_NGREG (sizeof (struct vki_user_regs_struct) / sizeof(vki_elf_greg_t)) 627typedef vki_elf_greg_t vki_elf_gregset_t[VKI_ELF_NGREG]; 628 629typedef struct vki_user_i387_struct vki_elf_fpregset_t; 630typedef 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 638struct 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.]] */ 662struct 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]] 681typedef struct vki_user_desc vki_modify_ldt_t; 682 683//---------------------------------------------------------------------- 684// From linux-2.6.8.1/include/asm-i386/ipcbuf.h 685//---------------------------------------------------------------------- 686 687struct 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 706struct 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 721struct 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 742struct 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 765struct 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 781struct 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 840struct 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 870struct vki_revectored_struct { 871 unsigned long __map[8]; /* 256 bits */ 872}; 873 874struct 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 883struct 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 892struct 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/*--------------------------------------------------------------------*/ 925