compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.h

   1 //===-- sanitizer_platform_limits_posix.h ---------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This file is a part of Sanitizer common code.
  10 //
  11 // Sizes and layouts of platform-specific POSIX data structures.
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef SANITIZER_PLATFORM_LIMITS_POSIX_H
  15 #define SANITIZER_PLATFORM_LIMITS_POSIX_H
  16
  17 #if SANITIZER_LINUX || SANITIZER_APPLE
  18
  19 #include "sanitizer_internal_defs.h"
  20 #include "sanitizer_platform.h"
  21
  22 #if SANITIZER_APPLE
  23 #include <sys/cdefs.h>
  24 #if !__DARWIN_ONLY_64_BIT_INO_T
  25 #define SANITIZER_HAS_STAT64 1
  26 #define SANITIZER_HAS_STATFS64 1
  27 #else
  28 #define SANITIZER_HAS_STAT64 0
  29 #define SANITIZER_HAS_STATFS64 0
  30 #endif
  31 #elif SANITIZER_GLIBC || SANITIZER_ANDROID
  32 #define SANITIZER_HAS_STAT64 1
  33 #define SANITIZER_HAS_STATFS64 1
  34 #endif
  35
  36 #if defined(__sparc__)
  37 // FIXME: This can't be included from tsan which does not support sparc yet.
  38 #include "sanitizer_glibc_version.h"
  39 #endif
  40
  41 # define GET_LINK_MAP_BY_DLOPEN_HANDLE(handle) ((link_map*)(handle))
  42
  43 namespace __sanitizer {
  44 extern unsigned struct_utsname_sz;
  45 extern unsigned struct_stat_sz;
  46 #if SANITIZER_HAS_STAT64
  47 extern unsigned struct_stat64_sz;
  48 #endif
  49 extern unsigned struct_rusage_sz;
  50 extern unsigned siginfo_t_sz;
  51 extern unsigned struct_itimerval_sz;
  52 extern unsigned pthread_t_sz;
  53 extern unsigned pthread_mutex_t_sz;
  54 extern unsigned pthread_cond_t_sz;
  55 extern unsigned pid_t_sz;
  56 extern unsigned timeval_sz;
  57 extern unsigned uid_t_sz;
  58 extern unsigned gid_t_sz;
  59 extern unsigned mbstate_t_sz;
  60 extern unsigned struct_timezone_sz;
  61 extern unsigned struct_tms_sz;
  62 extern unsigned struct_itimerspec_sz;
  63 extern unsigned struct_sigevent_sz;
  64 extern unsigned struct_stack_t_sz;
  65 extern unsigned struct_sched_param_sz;
  66 #if SANITIZER_HAS_STATFS64
  67 extern unsigned struct_statfs64_sz;
  68 #endif
  69 extern unsigned struct_regex_sz;
  70 extern unsigned struct_regmatch_sz;
  71
  72 #if !SANITIZER_ANDROID
  73 extern unsigned struct_fstab_sz;
  74 extern unsigned struct_statfs_sz;
  75 extern unsigned struct_sockaddr_sz;
  76 unsigned ucontext_t_sz(void *uctx);
  77 #  endif  // !SANITIZER_ANDROID
  78
  79 #  if SANITIZER_LINUX
  80
  81 #    if defined(__x86_64__)
  82 const unsigned struct_kernel_stat_sz = 144;
  83 const unsigned struct_kernel_stat64_sz = 0;
  84 #elif defined(__i386__)
  85 const unsigned struct_kernel_stat_sz = 64;
  86 const unsigned struct_kernel_stat64_sz = 96;
  87 #elif defined(__arm__)
  88 const unsigned struct_kernel_stat_sz = 64;
  89 const unsigned struct_kernel_stat64_sz = 104;
  90 #elif defined(__aarch64__)
  91 const unsigned struct_kernel_stat_sz = 128;
  92 const unsigned struct_kernel_stat64_sz = 104;
  93 #elif defined(__powerpc__) && !defined(__powerpc64__)
  94 const unsigned struct_kernel_stat_sz = 72;
  95 const unsigned struct_kernel_stat64_sz = 104;
  96 #elif defined(__powerpc64__)
  97 const unsigned struct_kernel_stat_sz = 144;
  98 const unsigned struct_kernel_stat64_sz = 104;
  99 #elif defined(__mips__)
 100 const unsigned struct_kernel_stat_sz =
 101     SANITIZER_ANDROID
 102         ? FIRST_32_SECOND_64(104, 128)
 103         : FIRST_32_SECOND_64((_MIPS_SIM == _ABIN32) ? 176 : 160, 216);
 104 const unsigned struct_kernel_stat64_sz = 104;
 105 #elif defined(__s390__) && !defined(__s390x__)
 106 const unsigned struct_kernel_stat_sz = 64;
 107 const unsigned struct_kernel_stat64_sz = 104;
 108 #elif defined(__s390x__)
 109 const unsigned struct_kernel_stat_sz = 144;
 110 const unsigned struct_kernel_stat64_sz = 0;
 111 #elif defined(__sparc__) && defined(__arch64__)
 112 const unsigned struct___old_kernel_stat_sz = 0;
 113 const unsigned struct_kernel_stat_sz = 104;
 114 const unsigned struct_kernel_stat64_sz = 144;
 115 #elif defined(__sparc__) && !defined(__arch64__)
 116 const unsigned struct___old_kernel_stat_sz = 0;
 117 const unsigned struct_kernel_stat_sz = 64;
 118 const unsigned struct_kernel_stat64_sz = 104;
 119 #elif SANITIZER_RISCV64
 120 const unsigned struct_kernel_stat_sz = 128;
 121 const unsigned struct_kernel_stat64_sz = 0;  // RISCV64 does not use stat64
 122 #    elif defined(__hexagon__)
 123 const unsigned struct_kernel_stat_sz = 128;
 124 const unsigned struct_kernel_stat64_sz = 0;
 125 #    elif defined(__loongarch__)
 126 const unsigned struct_kernel_stat_sz = 128;
 127 const unsigned struct_kernel_stat64_sz = 0;
 128 #    endif
 129 struct __sanitizer_perf_event_attr {
 130   unsigned type;
 131   unsigned size;
 132   // More fields that vary with the kernel version.
 133 };
 134
 135 extern unsigned struct_epoll_event_sz;
 136 extern unsigned struct_sysinfo_sz;
 137 extern unsigned __user_cap_header_struct_sz;
 138 extern unsigned __user_cap_data_struct_sz;
 139 extern unsigned struct_new_utsname_sz;
 140 extern unsigned struct_old_utsname_sz;
 141 extern unsigned struct_oldold_utsname_sz;
 142
 143 const unsigned struct_kexec_segment_sz = 4 * sizeof(unsigned long);
 144 #endif  // SANITIZER_LINUX
 145
 146 #if SANITIZER_LINUX
 147
 148 #if defined(__powerpc64__) || defined(__s390__) || defined(__loongarch__)
 149 const unsigned struct___old_kernel_stat_sz = 0;
 150 #elif !defined(__sparc__)
 151 const unsigned struct___old_kernel_stat_sz = 32;
 152 #endif
 153
 154 extern unsigned struct_rlimit_sz;
 155 extern unsigned struct_utimbuf_sz;
 156 extern unsigned struct_timespec_sz;
 157
 158 struct __sanitizer_iocb {
 159   u64 aio_data;
 160   u32 aio_key_or_aio_reserved1;  // Simply crazy.
 161   u32 aio_reserved1_or_aio_key;  // Luckily, we don't need these.
 162   u16 aio_lio_opcode;
 163   s16 aio_reqprio;
 164   u32 aio_fildes;
 165   u64 aio_buf;
 166   u64 aio_nbytes;
 167   s64 aio_offset;
 168   u64 aio_reserved2;
 169   u64 aio_reserved3;
 170 };
 171
 172 struct __sanitizer_io_event {
 173   u64 data;
 174   u64 obj;
 175   u64 res;
 176   u64 res2;
 177 };
 178
 179 const unsigned iocb_cmd_pread = 0;
 180 const unsigned iocb_cmd_pwrite = 1;
 181 const unsigned iocb_cmd_preadv = 7;
 182 const unsigned iocb_cmd_pwritev = 8;
 183
 184 struct __sanitizer___sysctl_args {
 185   int *name;
 186   int nlen;
 187   void *oldval;
 188   uptr *oldlenp;
 189   void *newval;
 190   uptr newlen;
 191   unsigned long ___unused[4];
 192 };
 193
 194 const unsigned old_sigset_t_sz = sizeof(unsigned long);
 195
 196 struct __sanitizer_sem_t {
 197 #if SANITIZER_ANDROID && defined(_LP64)
 198   int data[4];
 199 #elif SANITIZER_ANDROID && !defined(_LP64)
 200   int data;
 201 #elif SANITIZER_LINUX
 202   uptr data[4];
 203 #endif
 204 };
 205 #endif // SANITIZER_LINUX
 206
 207 #if SANITIZER_ANDROID
 208 struct __sanitizer_struct_mallinfo {
 209   uptr v[10];
 210 };
 211 #endif
 212
 213 #if SANITIZER_LINUX && !SANITIZER_ANDROID
 214 struct __sanitizer_struct_mallinfo {
 215   int v[10];
 216 };
 217
 218 extern unsigned struct_ustat_sz;
 219 extern unsigned struct_rlimit64_sz;
 220 extern unsigned struct_statvfs64_sz;
 221
 222 struct __sanitizer_ipc_perm {
 223   int __key;
 224   int uid;
 225   int gid;
 226   int cuid;
 227   int cgid;
 228 #ifdef __powerpc__
 229   unsigned mode;
 230   unsigned __seq;
 231   u64 __unused1;
 232   u64 __unused2;
 233 #elif defined(__sparc__)
 234   unsigned mode;
 235   unsigned short __pad2;
 236   unsigned short __seq;
 237   unsigned long long __unused1;
 238   unsigned long long __unused2;
 239 #else
 240   unsigned int mode;
 241   unsigned short __seq;
 242   unsigned short __pad2;
 243 #if defined(__x86_64__) && !defined(_LP64)
 244   u64 __unused1;
 245   u64 __unused2;
 246 #else
 247   unsigned long __unused1;
 248   unsigned long __unused2;
 249 #endif
 250 #endif
 251 };
 252
 253 struct __sanitizer_shmid_ds {
 254   __sanitizer_ipc_perm shm_perm;
 255 #if defined(__sparc__)
 256 #if !defined(__arch64__)
 257   u32 __pad1;
 258 #endif
 259   long shm_atime;
 260 #if !defined(__arch64__)
 261   u32 __pad2;
 262 #endif
 263   long shm_dtime;
 264 #if !defined(__arch64__)
 265   u32 __pad3;
 266 #endif
 267   long shm_ctime;
 268   uptr shm_segsz;
 269   int shm_cpid;
 270   int shm_lpid;
 271   unsigned long shm_nattch;
 272   unsigned long __glibc_reserved1;
 273   unsigned long __glibc_reserved2;
 274 #else
 275 #ifndef __powerpc__
 276   uptr shm_segsz;
 277 #elif !defined(__powerpc64__)
 278   uptr __unused0;
 279 #endif
 280 #if defined(__x86_64__) && !defined(_LP64)
 281   u64 shm_atime;
 282   u64 shm_dtime;
 283   u64 shm_ctime;
 284 #else
 285   uptr shm_atime;
 286 #if !defined(_LP64) && !defined(__mips__)
 287   uptr __unused1;
 288 #endif
 289   uptr shm_dtime;
 290 #if !defined(_LP64) && !defined(__mips__)
 291   uptr __unused2;
 292 #endif
 293   uptr shm_ctime;
 294 #if !defined(_LP64) && !defined(__mips__)
 295   uptr __unused3;
 296 #endif
 297 #endif
 298 #ifdef __powerpc__
 299   uptr shm_segsz;
 300 #endif
 301   int shm_cpid;
 302   int shm_lpid;
 303 #if defined(__x86_64__) && !defined(_LP64)
 304   u64 shm_nattch;
 305   u64 __unused4;
 306   u64 __unused5;
 307 #else
 308   uptr shm_nattch;
 309   uptr __unused4;
 310   uptr __unused5;
 311 #endif
 312 #endif
 313 };
 314 #endif
 315
 316 #if SANITIZER_LINUX && !SANITIZER_ANDROID
 317 extern unsigned struct_msqid_ds_sz;
 318 extern unsigned struct_mq_attr_sz;
 319 extern unsigned struct_timex_sz;
 320 extern unsigned struct_statvfs_sz;
 321 extern unsigned struct_crypt_data_sz;
 322 #endif  // SANITIZER_LINUX && !SANITIZER_ANDROID
 323
 324 struct __sanitizer_iovec {
 325   void *iov_base;
 326   uptr iov_len;
 327 };
 328
 329 #if !SANITIZER_ANDROID
 330 struct __sanitizer_ifaddrs {
 331   struct __sanitizer_ifaddrs *ifa_next;
 332   char *ifa_name;
 333   unsigned int ifa_flags;
 334   void *ifa_addr;     // (struct sockaddr *)
 335   void *ifa_netmask;  // (struct sockaddr *)
 336   // This is a union on Linux.
 337 # ifdef ifa_dstaddr
 338 # undef ifa_dstaddr
 339 # endif
 340   void *ifa_dstaddr;  // (struct sockaddr *)
 341   void *ifa_data;
 342 };
 343 #endif  // !SANITIZER_ANDROID
 344
 345 #if SANITIZER_APPLE
 346 typedef unsigned long __sanitizer_pthread_key_t;
 347 #else
 348 typedef unsigned __sanitizer_pthread_key_t;
 349 #endif
 350
 351 #if SANITIZER_LINUX && !SANITIZER_ANDROID
 352
 353 struct __sanitizer_XDR {
 354   int x_op;
 355   void *x_ops;
 356   uptr x_public;
 357   uptr x_private;
 358   uptr x_base;
 359   unsigned x_handy;
 360 };
 361
 362 const int __sanitizer_XDR_ENCODE = 0;
 363 const int __sanitizer_XDR_DECODE = 1;
 364 const int __sanitizer_XDR_FREE = 2;
 365 #endif
 366
 367 struct __sanitizer_passwd {
 368   char *pw_name;
 369   char *pw_passwd;
 370   int pw_uid;
 371   int pw_gid;
 372 #if SANITIZER_APPLE
 373   long pw_change;
 374   char *pw_class;
 375 #endif
 376 #if !(SANITIZER_ANDROID && (SANITIZER_WORDSIZE == 32))
 377   char *pw_gecos;
 378 #endif
 379   char *pw_dir;
 380   char *pw_shell;
 381 #if SANITIZER_APPLE
 382   long pw_expire;
 383 #endif
 384 };
 385
 386 struct __sanitizer_group {
 387   char *gr_name;
 388   char *gr_passwd;
 389   int gr_gid;
 390   char **gr_mem;
 391 };
 392
 393 #  if (SANITIZER_LINUX && !SANITIZER_GLIBC && !SANITIZER_ANDROID) || \
 394       (defined(__x86_64__) && !defined(_LP64)) || defined(__hexagon__)
 395 typedef long long __sanitizer_time_t;
 396 #else
 397 typedef long __sanitizer_time_t;
 398 #endif
 399
 400 typedef long __sanitizer_suseconds_t;
 401
 402 struct __sanitizer_timeval {
 403   __sanitizer_time_t tv_sec;
 404   __sanitizer_suseconds_t tv_usec;
 405 };
 406
 407 struct __sanitizer_itimerval {
 408   struct __sanitizer_timeval it_interval;
 409   struct __sanitizer_timeval it_value;
 410 };
 411
 412 struct __sanitizer_timeb {
 413   __sanitizer_time_t time;
 414   unsigned short millitm;
 415   short timezone;
 416   short dstflag;
 417 };
 418
 419 struct __sanitizer_ether_addr {
 420   u8 octet[6];
 421 };
 422
 423 struct __sanitizer_tm {
 424   int tm_sec;
 425   int tm_min;
 426   int tm_hour;
 427   int tm_mday;
 428   int tm_mon;
 429   int tm_year;
 430   int tm_wday;
 431   int tm_yday;
 432   int tm_isdst;
 433   long int tm_gmtoff;
 434   const char *tm_zone;
 435 };
 436
 437 #if SANITIZER_LINUX
 438 struct __sanitizer_mntent {
 439   char *mnt_fsname;
 440   char *mnt_dir;
 441   char *mnt_type;
 442   char *mnt_opts;
 443   int mnt_freq;
 444   int mnt_passno;
 445 };
 446
 447 struct __sanitizer_file_handle {
 448   unsigned int handle_bytes;
 449   int handle_type;
 450   unsigned char f_handle[1];  // variable sized
 451 };
 452 #endif
 453
 454 #if SANITIZER_APPLE
 455 struct __sanitizer_msghdr {
 456   void *msg_name;
 457   unsigned msg_namelen;
 458   struct __sanitizer_iovec *msg_iov;
 459   unsigned msg_iovlen;
 460   void *msg_control;
 461   unsigned msg_controllen;
 462   int msg_flags;
 463 };
 464 struct __sanitizer_cmsghdr {
 465   unsigned cmsg_len;
 466   int cmsg_level;
 467   int cmsg_type;
 468 };
 469 #else
 470 // In POSIX, int msg_iovlen; socklen_t msg_controllen; socklen_t cmsg_len; but
 471 // many implementations don't conform to the standard.
 472 struct __sanitizer_msghdr {
 473   void *msg_name;
 474   unsigned msg_namelen;
 475   struct __sanitizer_iovec *msg_iov;
 476   uptr msg_iovlen;
 477   void *msg_control;
 478   uptr msg_controllen;
 479   int msg_flags;
 480 };
 481 struct __sanitizer_cmsghdr {
 482   uptr cmsg_len;
 483   int cmsg_level;
 484   int cmsg_type;
 485 };
 486 #endif
 487
 488 #if SANITIZER_LINUX
 489 struct __sanitizer_mmsghdr {
 490   __sanitizer_msghdr msg_hdr;
 491   unsigned int msg_len;
 492 };
 493 #endif
 494
 495 #if SANITIZER_APPLE
 496 struct __sanitizer_dirent {
 497   unsigned long long d_ino;
 498   unsigned long long d_seekoff;
 499   unsigned short d_reclen;
 500   // more fields that we don't care about
 501 };
 502 #  elif (SANITIZER_LINUX && !SANITIZER_GLIBC) || defined(__x86_64__) || \
 503       defined(__hexagon__)
 504 struct __sanitizer_dirent {
 505   unsigned long long d_ino;
 506   unsigned long long d_off;
 507   unsigned short d_reclen;
 508   // more fields that we don't care about
 509 };
 510 #  else
 511 struct __sanitizer_dirent {
 512   uptr d_ino;
 513   uptr d_off;
 514   unsigned short d_reclen;
 515   // more fields that we don't care about
 516 };
 517 #  endif
 518
 519 #  if SANITIZER_GLIBC
 520 struct __sanitizer_dirent64 {
 521   unsigned long long d_ino;
 522   unsigned long long d_off;
 523   unsigned short d_reclen;
 524   // more fields that we don't care about
 525 };
 526 #endif
 527
 528 #if defined(__x86_64__) && !defined(_LP64)
 529 typedef long long __sanitizer_clock_t;
 530 #else
 531 typedef long __sanitizer_clock_t;
 532 #endif
 533
 534 #if SANITIZER_LINUX
 535 typedef int __sanitizer_clockid_t;
 536 #endif
 537
 538 #if SANITIZER_LINUX
 539 #    if defined(_LP64) || defined(__x86_64__) || defined(__powerpc__) || \
 540         defined(__mips__) || defined(__hexagon__)
 541 typedef unsigned __sanitizer___kernel_uid_t;
 542 typedef unsigned __sanitizer___kernel_gid_t;
 543 #else
 544 typedef unsigned short __sanitizer___kernel_uid_t;
 545 typedef unsigned short __sanitizer___kernel_gid_t;
 546 #endif
 547 #if defined(__x86_64__) && !defined(_LP64)
 548 typedef long long __sanitizer___kernel_off_t;
 549 #else
 550 typedef long __sanitizer___kernel_off_t;
 551 #endif
 552
 553 #if defined(__powerpc__) || defined(__mips__)
 554 typedef unsigned int __sanitizer___kernel_old_uid_t;
 555 typedef unsigned int __sanitizer___kernel_old_gid_t;
 556 #else
 557 typedef unsigned short __sanitizer___kernel_old_uid_t;
 558 typedef unsigned short __sanitizer___kernel_old_gid_t;
 559 #endif
 560
 561 typedef long long __sanitizer___kernel_loff_t;
 562 typedef struct {
 563   unsigned long fds_bits[1024 / (8 * sizeof(long))];
 564 } __sanitizer___kernel_fd_set;
 565 #endif
 566
 567 // This thing depends on the platform. We are only interested in the upper
 568 // limit. Verified with a compiler assert in .cpp.
 569 union __sanitizer_pthread_attr_t {
 570   char size[128];
 571   void *align;
 572 };
 573
 574 #if SANITIZER_ANDROID
 575 # if SANITIZER_MIPS
 576 typedef unsigned long __sanitizer_sigset_t[16 / sizeof(unsigned long)];
 577 # else
 578 typedef unsigned long __sanitizer_sigset_t;
 579 # endif
 580 #elif SANITIZER_APPLE
 581 typedef unsigned __sanitizer_sigset_t;
 582 #elif SANITIZER_LINUX
 583 struct __sanitizer_sigset_t {
 584   // The size is determined by looking at sizeof of real sigset_t on linux.
 585   uptr val[128 / sizeof(uptr)];
 586 };
 587 #endif
 588
 589 struct __sanitizer_siginfo_pad {
 590   // Require uptr, because siginfo_t is always pointer-size aligned on Linux.
 591   uptr pad[128 / sizeof(uptr)];
 592 };
 593
 594 #if SANITIZER_LINUX
 595 # define SANITIZER_HAS_SIGINFO 1
 596 union __sanitizer_siginfo {
 597   struct {
 598     int si_signo;
 599 # if SANITIZER_MIPS
 600     int si_code;
 601     int si_errno;
 602 # else
 603     int si_errno;
 604     int si_code;
 605 # endif
 606   };
 607   __sanitizer_siginfo_pad pad;
 608 };
 609 #else
 610 # define SANITIZER_HAS_SIGINFO 0
 611 typedef __sanitizer_siginfo_pad __sanitizer_siginfo;
 612 #endif
 613
 614 using __sanitizer_sighandler_ptr = void (*)(int sig);
 615 using __sanitizer_sigactionhandler_ptr = void (*)(int sig,
 616                                                   __sanitizer_siginfo *siginfo,
 617                                                   void *uctx);
 618
 619 // Linux system headers define the 'sa_handler' and 'sa_sigaction' macros.
 620 #if SANITIZER_ANDROID && (SANITIZER_WORDSIZE == 64)
 621 struct __sanitizer_sigaction {
 622   unsigned sa_flags;
 623   union {
 624     __sanitizer_sigactionhandler_ptr sigaction;
 625     __sanitizer_sighandler_ptr handler;
 626   };
 627   __sanitizer_sigset_t sa_mask;
 628   void (*sa_restorer)();
 629 };
 630 #elif SANITIZER_ANDROID && SANITIZER_MIPS32  // check this before WORDSIZE == 32
 631 struct __sanitizer_sigaction {
 632   unsigned sa_flags;
 633   union {
 634     __sanitizer_sigactionhandler_ptr sigaction;
 635     __sanitizer_sighandler_ptr handler;
 636   };
 637   __sanitizer_sigset_t sa_mask;
 638 };
 639 #elif SANITIZER_ANDROID && (SANITIZER_WORDSIZE == 32)
 640 struct __sanitizer_sigaction {
 641   union {
 642     __sanitizer_sigactionhandler_ptr sigaction;
 643     __sanitizer_sighandler_ptr handler;
 644   };
 645   __sanitizer_sigset_t sa_mask;
 646   uptr sa_flags;
 647   void (*sa_restorer)();
 648 };
 649 #else // !SANITIZER_ANDROID
 650 struct __sanitizer_sigaction {
 651 #if defined(__mips__) && !SANITIZER_FREEBSD
 652   unsigned int sa_flags;
 653 #endif
 654   union {
 655     __sanitizer_sigactionhandler_ptr sigaction;
 656     __sanitizer_sighandler_ptr handler;
 657   };
 658 #if SANITIZER_FREEBSD
 659   int sa_flags;
 660   __sanitizer_sigset_t sa_mask;
 661 #else
 662 #if defined(__s390x__)
 663   int sa_resv;
 664 #else
 665   __sanitizer_sigset_t sa_mask;
 666 #endif
 667 #ifndef __mips__
 668 #if defined(__sparc__)
 669 #if __GLIBC_PREREQ (2, 20)
 670   // On sparc glibc 2.19 and earlier sa_flags was unsigned long.
 671 #if defined(__arch64__)
 672   // To maintain ABI compatibility on sparc64 when switching to an int,
 673   // __glibc_reserved0 was added.
 674   int __glibc_reserved0;
 675 #endif
 676   int sa_flags;
 677 #else
 678   unsigned long sa_flags;
 679 #endif
 680 #else
 681   int sa_flags;
 682 #endif
 683 #endif
 684 #endif
 685 #if SANITIZER_LINUX
 686   void (*sa_restorer)();
 687 #endif
 688 #if defined(__mips__) && (SANITIZER_WORDSIZE == 32)
 689   int sa_resv[1];
 690 #endif
 691 #if defined(__s390x__)
 692   __sanitizer_sigset_t sa_mask;
 693 #endif
 694 };
 695 #endif // !SANITIZER_ANDROID
 696
 697 #if defined(__mips__)
 698 #define __SANITIZER_KERNEL_NSIG 128
 699 #else
 700 #define __SANITIZER_KERNEL_NSIG 64
 701 #endif
 702
 703 struct __sanitizer_kernel_sigset_t {
 704   uptr sig[__SANITIZER_KERNEL_NSIG / (sizeof(uptr) * 8)];
 705 };
 706
 707 // Linux system headers define the 'sa_handler' and 'sa_sigaction' macros.
 708 #if SANITIZER_MIPS
 709 struct __sanitizer_kernel_sigaction_t {
 710   unsigned int sa_flags;
 711   union {
 712     void (*handler)(int signo);
 713     void (*sigaction)(int signo, __sanitizer_siginfo *info, void *ctx);
 714   };
 715   __sanitizer_kernel_sigset_t sa_mask;
 716   void (*sa_restorer)(void);
 717 };
 718 #else
 719 struct __sanitizer_kernel_sigaction_t {
 720   union {
 721     void (*handler)(int signo);
 722     void (*sigaction)(int signo, __sanitizer_siginfo *info, void *ctx);
 723   };
 724   unsigned long sa_flags;
 725   void (*sa_restorer)(void);
 726   __sanitizer_kernel_sigset_t sa_mask;
 727 };
 728 #endif
 729
 730 extern const uptr sig_ign;
 731 extern const uptr sig_dfl;
 732 extern const uptr sig_err;
 733 extern const uptr sa_siginfo;
 734
 735 #if SANITIZER_LINUX
 736 extern int e_tabsz;
 737 #endif
 738
 739 extern int af_inet;
 740 extern int af_inet6;
 741 uptr __sanitizer_in_addr_sz(int af);
 742
 743 #if SANITIZER_LINUX
 744 struct __sanitizer_dl_phdr_info {
 745   uptr dlpi_addr;
 746   const char *dlpi_name;
 747   const void *dlpi_phdr;
 748   short dlpi_phnum;
 749 };
 750
 751 extern unsigned struct_ElfW_Phdr_sz;
 752 #endif
 753
 754 struct __sanitizer_protoent {
 755   char *p_name;
 756   char **p_aliases;
 757   int p_proto;
 758 };
 759
 760 struct __sanitizer_netent {
 761   char *n_name;
 762   char **n_aliases;
 763   int n_addrtype;
 764   u32 n_net;
 765 };
 766
 767 struct __sanitizer_addrinfo {
 768   int ai_flags;
 769   int ai_family;
 770   int ai_socktype;
 771   int ai_protocol;
 772 #if SANITIZER_ANDROID || SANITIZER_APPLE
 773   unsigned ai_addrlen;
 774   char *ai_canonname;
 775   void *ai_addr;
 776 #else // LINUX
 777   unsigned ai_addrlen;
 778   void *ai_addr;
 779   char *ai_canonname;
 780 #endif
 781   struct __sanitizer_addrinfo *ai_next;
 782 };
 783
 784 struct __sanitizer_hostent {
 785   char *h_name;
 786   char **h_aliases;
 787   int h_addrtype;
 788   int h_length;
 789   char **h_addr_list;
 790 };
 791
 792 struct __sanitizer_pollfd {
 793   int fd;
 794   short events;
 795   short revents;
 796 };
 797
 798 #if SANITIZER_ANDROID || SANITIZER_APPLE
 799 typedef unsigned __sanitizer_nfds_t;
 800 #else
 801 typedef unsigned long __sanitizer_nfds_t;
 802 #endif
 803
 804 #if !SANITIZER_ANDROID
 805 # if SANITIZER_LINUX
 806 struct __sanitizer_glob_t {
 807   uptr gl_pathc;
 808   char **gl_pathv;
 809   uptr gl_offs;
 810   int gl_flags;
 811
 812   void (*gl_closedir)(void *dirp);
 813   void *(*gl_readdir)(void *dirp);
 814   void *(*gl_opendir)(const char *);
 815   int (*gl_lstat)(const char *, void *);
 816   int (*gl_stat)(const char *, void *);
 817 };
 818 # endif  // SANITIZER_LINUX
 819
 820 # if SANITIZER_LINUX
 821 extern int glob_nomatch;
 822 extern int glob_altdirfunc;
 823 # endif
 824 #endif  // !SANITIZER_ANDROID
 825
 826 extern unsigned path_max;
 827
 828 #  if !SANITIZER_ANDROID
 829 extern const int wordexp_wrde_dooffs;
 830 #  endif  // !SANITIZER_ANDROID
 831
 832 struct __sanitizer_wordexp_t {
 833   uptr we_wordc;
 834   char **we_wordv;
 835   uptr we_offs;
 836 };
 837
 838 #if SANITIZER_LINUX && !SANITIZER_ANDROID
 839 struct __sanitizer_FILE {
 840   int _flags;
 841   char *_IO_read_ptr;
 842   char *_IO_read_end;
 843   char *_IO_read_base;
 844   char *_IO_write_base;
 845   char *_IO_write_ptr;
 846   char *_IO_write_end;
 847   char *_IO_buf_base;
 848   char *_IO_buf_end;
 849   char *_IO_save_base;
 850   char *_IO_backup_base;
 851   char *_IO_save_end;
 852   void *_markers;
 853   __sanitizer_FILE *_chain;
 854   int _fileno;
 855 };
 856 # define SANITIZER_HAS_STRUCT_FILE 1
 857 #else
 858 typedef void __sanitizer_FILE;
 859 # define SANITIZER_HAS_STRUCT_FILE 0
 860 #endif
 861
 862 #if SANITIZER_LINUX && !SANITIZER_ANDROID &&                               \
 863     (defined(__i386) || defined(__x86_64) || defined(__mips64) ||          \
 864      defined(__powerpc64__) || defined(__aarch64__) || defined(__arm__) || \
 865      defined(__s390__) || defined(__loongarch__) || SANITIZER_RISCV64)
 866 extern unsigned struct_user_regs_struct_sz;
 867 extern unsigned struct_user_fpregs_struct_sz;
 868 extern unsigned struct_user_fpxregs_struct_sz;
 869 extern unsigned struct_user_vfpregs_struct_sz;
 870
 871 extern int ptrace_peektext;
 872 extern int ptrace_peekdata;
 873 extern int ptrace_peekuser;
 874 extern int ptrace_getregs;
 875 extern int ptrace_setregs;
 876 extern int ptrace_getfpregs;
 877 extern int ptrace_setfpregs;
 878 extern int ptrace_getfpxregs;
 879 extern int ptrace_setfpxregs;
 880 extern int ptrace_getvfpregs;
 881 extern int ptrace_setvfpregs;
 882 extern int ptrace_getsiginfo;
 883 extern int ptrace_setsiginfo;
 884 extern int ptrace_getregset;
 885 extern int ptrace_setregset;
 886 extern int ptrace_geteventmsg;
 887 #endif
 888
 889 #if SANITIZER_LINUX  && !SANITIZER_ANDROID
 890 extern unsigned struct_shminfo_sz;
 891 extern unsigned struct_shm_info_sz;
 892 extern int shmctl_ipc_stat;
 893 extern int shmctl_ipc_info;
 894 extern int shmctl_shm_info;
 895 extern int shmctl_shm_stat;
 896 #endif
 897
 898 #if !SANITIZER_APPLE && !SANITIZER_FREEBSD
 899 extern unsigned struct_utmp_sz;
 900 #endif
 901 #if !SANITIZER_ANDROID
 902 extern unsigned struct_utmpx_sz;
 903 #endif
 904
 905 extern int map_fixed;
 906
 907 // ioctl arguments
 908 struct __sanitizer_ifconf {
 909   int ifc_len;
 910   union {
 911     void *ifcu_req;
 912   } ifc_ifcu;
 913 #if SANITIZER_APPLE
 914 } __attribute__((packed));
 915 #else
 916 };
 917 #endif
 918
 919 #if SANITIZER_LINUX && !SANITIZER_ANDROID
 920 struct __sanitizer__obstack_chunk {
 921   char *limit;
 922   struct __sanitizer__obstack_chunk *prev;
 923 };
 924
 925 struct __sanitizer_obstack {
 926   long chunk_size;
 927   struct __sanitizer__obstack_chunk *chunk;
 928   char *object_base;
 929   char *next_free;
 930   uptr more_fields[7];
 931 };
 932
 933 typedef uptr (*__sanitizer_cookie_io_read)(void *cookie, char *buf, uptr size);
 934 typedef uptr (*__sanitizer_cookie_io_write)(void *cookie, const char *buf,
 935                                             uptr size);
 936 typedef int (*__sanitizer_cookie_io_seek)(void *cookie, u64 *offset,
 937                                           int whence);
 938 typedef int (*__sanitizer_cookie_io_close)(void *cookie);
 939
 940 struct __sanitizer_cookie_io_functions_t {
 941   __sanitizer_cookie_io_read read;
 942   __sanitizer_cookie_io_write write;
 943   __sanitizer_cookie_io_seek seek;
 944   __sanitizer_cookie_io_close close;
 945 };
 946 #endif
 947
 948 #define IOC_NRBITS 8
 949 #define IOC_TYPEBITS 8
 950 #if defined(__powerpc__) || defined(__powerpc64__) || defined(__mips__) || \
 951     defined(__sparc__)
 952 #define IOC_SIZEBITS 13
 953 #define IOC_DIRBITS 3
 954 #define IOC_NONE 1U
 955 #define IOC_WRITE 4U
 956 #define IOC_READ 2U
 957 #else
 958 #define IOC_SIZEBITS 14
 959 #define IOC_DIRBITS 2
 960 #define IOC_NONE 0U
 961 #define IOC_WRITE 1U
 962 #define IOC_READ 2U
 963 #endif
 964 #define IOC_NRMASK ((1 << IOC_NRBITS) - 1)
 965 #define IOC_TYPEMASK ((1 << IOC_TYPEBITS) - 1)
 966 #define IOC_SIZEMASK ((1 << IOC_SIZEBITS) - 1)
 967 #if defined(IOC_DIRMASK)
 968 #undef IOC_DIRMASK
 969 #endif
 970 #define IOC_DIRMASK ((1 << IOC_DIRBITS) - 1)
 971 #define IOC_NRSHIFT 0
 972 #define IOC_TYPESHIFT (IOC_NRSHIFT + IOC_NRBITS)
 973 #define IOC_SIZESHIFT (IOC_TYPESHIFT + IOC_TYPEBITS)
 974 #define IOC_DIRSHIFT (IOC_SIZESHIFT + IOC_SIZEBITS)
 975 #define EVIOC_EV_MAX 0x1f
 976 #define EVIOC_ABS_MAX 0x3f
 977
 978 #define IOC_DIR(nr) (((nr) >> IOC_DIRSHIFT) & IOC_DIRMASK)
 979 #define IOC_TYPE(nr) (((nr) >> IOC_TYPESHIFT) & IOC_TYPEMASK)
 980 #define IOC_NR(nr) (((nr) >> IOC_NRSHIFT) & IOC_NRMASK)
 981
 982 #if defined(__sparc__)
 983 // In sparc the 14 bits SIZE field overlaps with the
 984 // least significant bit of DIR, so either IOC_READ or
 985 // IOC_WRITE shall be 1 in order to get a non-zero SIZE.
 986 #define IOC_SIZE(nr) \
 987   ((((((nr) >> 29) & 0x7) & (4U | 2U)) == 0) ? 0 : (((nr) >> 16) & 0x3fff))
 988 #else
 989 #define IOC_SIZE(nr) (((nr) >> IOC_SIZESHIFT) & IOC_SIZEMASK)
 990 #endif
 991
 992 extern unsigned struct_ifreq_sz;
 993 extern unsigned struct_termios_sz;
 994 extern unsigned struct_winsize_sz;
 995
 996 #if SANITIZER_LINUX
 997 extern unsigned struct_arpreq_sz;
 998 extern unsigned struct_cdrom_msf_sz;
 999 extern unsigned struct_cdrom_multisession_sz;
1000 extern unsigned struct_cdrom_read_audio_sz;
1001 extern unsigned struct_cdrom_subchnl_sz;
1002 extern unsigned struct_cdrom_ti_sz;
1003 extern unsigned struct_cdrom_tocentry_sz;
1004 extern unsigned struct_cdrom_tochdr_sz;
1005 extern unsigned struct_cdrom_volctrl_sz;
1006 extern unsigned struct_ff_effect_sz;
1007 extern unsigned struct_floppy_drive_params_sz;
1008 extern unsigned struct_floppy_drive_struct_sz;
1009 extern unsigned struct_floppy_fdc_state_sz;
1010 extern unsigned struct_floppy_max_errors_sz;
1011 extern unsigned struct_floppy_raw_cmd_sz;
1012 extern unsigned struct_floppy_struct_sz;
1013 extern unsigned struct_floppy_write_errors_sz;
1014 extern unsigned struct_format_descr_sz;
1015 extern unsigned struct_hd_driveid_sz;
1016 extern unsigned struct_hd_geometry_sz;
1017 extern unsigned struct_input_absinfo_sz;
1018 extern unsigned struct_input_id_sz;
1019 extern unsigned struct_mtpos_sz;
1020 extern unsigned struct_termio_sz;
1021 extern unsigned struct_vt_consize_sz;
1022 extern unsigned struct_vt_sizes_sz;
1023 extern unsigned struct_vt_stat_sz;
1024 #endif  // SANITIZER_LINUX
1025
1026 #if SANITIZER_LINUX
1027 extern unsigned struct_copr_buffer_sz;
1028 extern unsigned struct_copr_debug_buf_sz;
1029 extern unsigned struct_copr_msg_sz;
1030 extern unsigned struct_midi_info_sz;
1031 extern unsigned struct_mtget_sz;
1032 extern unsigned struct_mtop_sz;
1033 extern unsigned struct_rtentry_sz;
1034 extern unsigned struct_sbi_instrument_sz;
1035 extern unsigned struct_seq_event_rec_sz;
1036 extern unsigned struct_synth_info_sz;
1037 extern unsigned struct_vt_mode_sz;
1038 #endif // SANITIZER_LINUX
1039
1040 #if SANITIZER_LINUX && !SANITIZER_ANDROID
1041 extern unsigned struct_ax25_parms_struct_sz;
1042 extern unsigned struct_input_keymap_entry_sz;
1043 extern unsigned struct_ipx_config_data_sz;
1044 extern unsigned struct_kbdiacrs_sz;
1045 extern unsigned struct_kbentry_sz;
1046 extern unsigned struct_kbkeycode_sz;
1047 extern unsigned struct_kbsentry_sz;
1048 extern unsigned struct_mtconfiginfo_sz;
1049 extern unsigned struct_nr_parms_struct_sz;
1050 extern unsigned struct_scc_modem_sz;
1051 extern unsigned struct_scc_stat_sz;
1052 extern unsigned struct_serial_multiport_struct_sz;
1053 extern unsigned struct_serial_struct_sz;
1054 extern unsigned struct_sockaddr_ax25_sz;
1055 extern unsigned struct_unimapdesc_sz;
1056 extern unsigned struct_unimapinit_sz;
1057 #endif  // SANITIZER_LINUX && !SANITIZER_ANDROID
1058
1059 extern const unsigned long __sanitizer_bufsiz;
1060
1061 #if SANITIZER_LINUX && !SANITIZER_ANDROID
1062 extern unsigned struct_audio_buf_info_sz;
1063 extern unsigned struct_ppp_stats_sz;
1064 #endif  // (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
1065
1066 #if !SANITIZER_ANDROID && !SANITIZER_APPLE
1067 extern unsigned struct_sioc_sg_req_sz;
1068 extern unsigned struct_sioc_vif_req_sz;
1069 #endif
1070
1071 // ioctl request identifiers
1072
1073 // A special value to mark ioctls that are not present on the target platform,
1074 // when it can not be determined without including any system headers.
1075 extern const unsigned IOCTL_NOT_PRESENT;
1076
1077 extern unsigned IOCTL_FIOASYNC;
1078 extern unsigned IOCTL_FIOCLEX;
1079 extern unsigned IOCTL_FIOGETOWN;
1080 extern unsigned IOCTL_FIONBIO;
1081 extern unsigned IOCTL_FIONCLEX;
1082 extern unsigned IOCTL_FIOSETOWN;
1083 extern unsigned IOCTL_SIOCADDMULTI;
1084 extern unsigned IOCTL_SIOCATMARK;
1085 extern unsigned IOCTL_SIOCDELMULTI;
1086 extern unsigned IOCTL_SIOCGIFADDR;
1087 extern unsigned IOCTL_SIOCGIFBRDADDR;
1088 extern unsigned IOCTL_SIOCGIFCONF;
1089 extern unsigned IOCTL_SIOCGIFDSTADDR;
1090 extern unsigned IOCTL_SIOCGIFFLAGS;
1091 extern unsigned IOCTL_SIOCGIFMETRIC;
1092 extern unsigned IOCTL_SIOCGIFMTU;
1093 extern unsigned IOCTL_SIOCGIFNETMASK;
1094 extern unsigned IOCTL_SIOCGPGRP;
1095 extern unsigned IOCTL_SIOCSIFADDR;
1096 extern unsigned IOCTL_SIOCSIFBRDADDR;
1097 extern unsigned IOCTL_SIOCSIFDSTADDR;
1098 extern unsigned IOCTL_SIOCSIFFLAGS;
1099 extern unsigned IOCTL_SIOCSIFMETRIC;
1100 extern unsigned IOCTL_SIOCSIFMTU;
1101 extern unsigned IOCTL_SIOCSIFNETMASK;
1102 extern unsigned IOCTL_SIOCSPGRP;
1103 extern unsigned IOCTL_TIOCCONS;
1104 extern unsigned IOCTL_TIOCEXCL;
1105 extern unsigned IOCTL_TIOCGETD;
1106 extern unsigned IOCTL_TIOCGPGRP;
1107 extern unsigned IOCTL_TIOCGWINSZ;
1108 extern unsigned IOCTL_TIOCMBIC;
1109 extern unsigned IOCTL_TIOCMBIS;
1110 extern unsigned IOCTL_TIOCMGET;
1111 extern unsigned IOCTL_TIOCMSET;
1112 extern unsigned IOCTL_TIOCNOTTY;
1113 extern unsigned IOCTL_TIOCNXCL;
1114 extern unsigned IOCTL_TIOCOUTQ;
1115 extern unsigned IOCTL_TIOCPKT;
1116 extern unsigned IOCTL_TIOCSCTTY;
1117 extern unsigned IOCTL_TIOCSETD;
1118 extern unsigned IOCTL_TIOCSPGRP;
1119 extern unsigned IOCTL_TIOCSTI;
1120 extern unsigned IOCTL_TIOCSWINSZ;
1121 #if SANITIZER_LINUX && !SANITIZER_ANDROID
1122 extern unsigned IOCTL_SIOCGETSGCNT;
1123 extern unsigned IOCTL_SIOCGETVIFCNT;
1124 #endif
1125 #if SANITIZER_LINUX
1126 extern unsigned IOCTL_EVIOCGABS;
1127 extern unsigned IOCTL_EVIOCGBIT;
1128 extern unsigned IOCTL_EVIOCGEFFECTS;
1129 extern unsigned IOCTL_EVIOCGID;
1130 extern unsigned IOCTL_EVIOCGKEY;
1131 extern unsigned IOCTL_EVIOCGKEYCODE;
1132 extern unsigned IOCTL_EVIOCGLED;
1133 extern unsigned IOCTL_EVIOCGNAME;
1134 extern unsigned IOCTL_EVIOCGPHYS;
1135 extern unsigned IOCTL_EVIOCGRAB;
1136 extern unsigned IOCTL_EVIOCGREP;
1137 extern unsigned IOCTL_EVIOCGSND;
1138 extern unsigned IOCTL_EVIOCGSW;
1139 extern unsigned IOCTL_EVIOCGUNIQ;
1140 extern unsigned IOCTL_EVIOCGVERSION;
1141 extern unsigned IOCTL_EVIOCRMFF;
1142 extern unsigned IOCTL_EVIOCSABS;
1143 extern unsigned IOCTL_EVIOCSFF;
1144 extern unsigned IOCTL_EVIOCSKEYCODE;
1145 extern unsigned IOCTL_EVIOCSREP;
1146 extern unsigned IOCTL_BLKFLSBUF;
1147 extern unsigned IOCTL_BLKGETSIZE;
1148 extern unsigned IOCTL_BLKRAGET;
1149 extern unsigned IOCTL_BLKRASET;
1150 extern unsigned IOCTL_BLKROGET;
1151 extern unsigned IOCTL_BLKROSET;
1152 extern unsigned IOCTL_BLKRRPART;
1153 extern unsigned IOCTL_BLKFRASET;
1154 extern unsigned IOCTL_BLKFRAGET;
1155 extern unsigned IOCTL_BLKSECTSET;
1156 extern unsigned IOCTL_BLKSECTGET;
1157 extern unsigned IOCTL_BLKSSZGET;
1158 extern unsigned IOCTL_BLKBSZGET;
1159 extern unsigned IOCTL_BLKBSZSET;
1160 extern unsigned IOCTL_BLKGETSIZE64;
1161 extern unsigned IOCTL_CDROMAUDIOBUFSIZ;
1162 extern unsigned IOCTL_CDROMEJECT;
1163 extern unsigned IOCTL_CDROMEJECT_SW;
1164 extern unsigned IOCTL_CDROMMULTISESSION;
1165 extern unsigned IOCTL_CDROMPAUSE;
1166 extern unsigned IOCTL_CDROMPLAYMSF;
1167 extern unsigned IOCTL_CDROMPLAYTRKIND;
1168 extern unsigned IOCTL_CDROMREADAUDIO;
1169 extern unsigned IOCTL_CDROMREADCOOKED;
1170 extern unsigned IOCTL_CDROMREADMODE1;
1171 extern unsigned IOCTL_CDROMREADMODE2;
1172 extern unsigned IOCTL_CDROMREADRAW;
1173 extern unsigned IOCTL_CDROMREADTOCENTRY;
1174 extern unsigned IOCTL_CDROMREADTOCHDR;
1175 extern unsigned IOCTL_CDROMRESET;
1176 extern unsigned IOCTL_CDROMRESUME;
1177 extern unsigned IOCTL_CDROMSEEK;
1178 extern unsigned IOCTL_CDROMSTART;
1179 extern unsigned IOCTL_CDROMSTOP;
1180 extern unsigned IOCTL_CDROMSUBCHNL;
1181 extern unsigned IOCTL_CDROMVOLCTRL;
1182 extern unsigned IOCTL_CDROMVOLREAD;
1183 extern unsigned IOCTL_CDROM_GET_UPC;
1184 extern unsigned IOCTL_FDCLRPRM;
1185 extern unsigned IOCTL_FDDEFPRM;
1186 extern unsigned IOCTL_FDFLUSH;
1187 extern unsigned IOCTL_FDFMTBEG;
1188 extern unsigned IOCTL_FDFMTEND;
1189 extern unsigned IOCTL_FDFMTTRK;
1190 extern unsigned IOCTL_FDGETDRVPRM;
1191 extern unsigned IOCTL_FDGETDRVSTAT;
1192 extern unsigned IOCTL_FDGETDRVTYP;
1193 extern unsigned IOCTL_FDGETFDCSTAT;
1194 extern unsigned IOCTL_FDGETMAXERRS;
1195 extern unsigned IOCTL_FDGETPRM;
1196 extern unsigned IOCTL_FDMSGOFF;
1197 extern unsigned IOCTL_FDMSGON;
1198 extern unsigned IOCTL_FDPOLLDRVSTAT;
1199 extern unsigned IOCTL_FDRAWCMD;
1200 extern unsigned IOCTL_FDRESET;
1201 extern unsigned IOCTL_FDSETDRVPRM;
1202 extern unsigned IOCTL_FDSETEMSGTRESH;
1203 extern unsigned IOCTL_FDSETMAXERRS;
1204 extern unsigned IOCTL_FDSETPRM;
1205 extern unsigned IOCTL_FDTWADDLE;
1206 extern unsigned IOCTL_FDWERRORCLR;
1207 extern unsigned IOCTL_FDWERRORGET;
1208 extern unsigned IOCTL_HDIO_DRIVE_CMD;
1209 extern unsigned IOCTL_HDIO_GETGEO;
1210 extern unsigned IOCTL_HDIO_GET_32BIT;
1211 extern unsigned IOCTL_HDIO_GET_DMA;
1212 extern unsigned IOCTL_HDIO_GET_IDENTITY;
1213 extern unsigned IOCTL_HDIO_GET_KEEPSETTINGS;
1214 extern unsigned IOCTL_HDIO_GET_MULTCOUNT;
1215 extern unsigned IOCTL_HDIO_GET_NOWERR;
1216 extern unsigned IOCTL_HDIO_GET_UNMASKINTR;
1217 extern unsigned IOCTL_HDIO_SET_32BIT;
1218 extern unsigned IOCTL_HDIO_SET_DMA;
1219 extern unsigned IOCTL_HDIO_SET_KEEPSETTINGS;
1220 extern unsigned IOCTL_HDIO_SET_MULTCOUNT;
1221 extern unsigned IOCTL_HDIO_SET_NOWERR;
1222 extern unsigned IOCTL_HDIO_SET_UNMASKINTR;
1223 extern unsigned IOCTL_MTIOCPOS;
1224 extern unsigned IOCTL_PPPIOCGASYNCMAP;
1225 extern unsigned IOCTL_PPPIOCGDEBUG;
1226 extern unsigned IOCTL_PPPIOCGFLAGS;
1227 extern unsigned IOCTL_PPPIOCGUNIT;
1228 extern unsigned IOCTL_PPPIOCGXASYNCMAP;
1229 extern unsigned IOCTL_PPPIOCSASYNCMAP;
1230 extern unsigned IOCTL_PPPIOCSDEBUG;
1231 extern unsigned IOCTL_PPPIOCSFLAGS;
1232 extern unsigned IOCTL_PPPIOCSMAXCID;
1233 extern unsigned IOCTL_PPPIOCSMRU;
1234 extern unsigned IOCTL_PPPIOCSXASYNCMAP;
1235 extern unsigned IOCTL_SIOCDARP;
1236 extern unsigned IOCTL_SIOCDRARP;
1237 extern unsigned IOCTL_SIOCGARP;
1238 extern unsigned IOCTL_SIOCGIFENCAP;
1239 extern unsigned IOCTL_SIOCGIFHWADDR;
1240 extern unsigned IOCTL_SIOCGIFMAP;
1241 extern unsigned IOCTL_SIOCGIFMEM;
1242 extern unsigned IOCTL_SIOCGIFNAME;
1243 extern unsigned IOCTL_SIOCGIFSLAVE;
1244 extern unsigned IOCTL_SIOCGRARP;
1245 extern unsigned IOCTL_SIOCGSTAMP;
1246 extern unsigned IOCTL_SIOCSARP;
1247 extern unsigned IOCTL_SIOCSIFENCAP;
1248 extern unsigned IOCTL_SIOCSIFHWADDR;
1249 extern unsigned IOCTL_SIOCSIFLINK;
1250 extern unsigned IOCTL_SIOCSIFMAP;
1251 extern unsigned IOCTL_SIOCSIFMEM;
1252 extern unsigned IOCTL_SIOCSIFSLAVE;
1253 extern unsigned IOCTL_SIOCSRARP;
1254 extern unsigned IOCTL_SNDCTL_COPR_HALT;
1255 extern unsigned IOCTL_SNDCTL_COPR_LOAD;
1256 extern unsigned IOCTL_SNDCTL_COPR_RCODE;
1257 extern unsigned IOCTL_SNDCTL_COPR_RCVMSG;
1258 extern unsigned IOCTL_SNDCTL_COPR_RDATA;
1259 extern unsigned IOCTL_SNDCTL_COPR_RESET;
1260 extern unsigned IOCTL_SNDCTL_COPR_RUN;
1261 extern unsigned IOCTL_SNDCTL_COPR_SENDMSG;
1262 extern unsigned IOCTL_SNDCTL_COPR_WCODE;
1263 extern unsigned IOCTL_SNDCTL_COPR_WDATA;
1264 extern unsigned IOCTL_TCFLSH;
1265 extern unsigned IOCTL_TCGETA;
1266 extern unsigned IOCTL_TCGETS;
1267 extern unsigned IOCTL_TCSBRK;
1268 extern unsigned IOCTL_TCSBRKP;
1269 extern unsigned IOCTL_TCSETA;
1270 extern unsigned IOCTL_TCSETAF;
1271 extern unsigned IOCTL_TCSETAW;
1272 extern unsigned IOCTL_TCSETS;
1273 extern unsigned IOCTL_TCSETSF;
1274 extern unsigned IOCTL_TCSETSW;
1275 extern unsigned IOCTL_TCXONC;
1276 extern unsigned IOCTL_TIOCGLCKTRMIOS;
1277 extern unsigned IOCTL_TIOCGSOFTCAR;
1278 extern unsigned IOCTL_TIOCINQ;
1279 extern unsigned IOCTL_TIOCLINUX;
1280 extern unsigned IOCTL_TIOCSERCONFIG;
1281 extern unsigned IOCTL_TIOCSERGETLSR;
1282 extern unsigned IOCTL_TIOCSERGWILD;
1283 extern unsigned IOCTL_TIOCSERSWILD;
1284 extern unsigned IOCTL_TIOCSLCKTRMIOS;
1285 extern unsigned IOCTL_TIOCSSOFTCAR;
1286 extern unsigned IOCTL_VT_DISALLOCATE;
1287 extern unsigned IOCTL_VT_GETSTATE;
1288 extern unsigned IOCTL_VT_RESIZE;
1289 extern unsigned IOCTL_VT_RESIZEX;
1290 extern unsigned IOCTL_VT_SENDSIG;
1291 extern unsigned IOCTL_MTIOCGET;
1292 extern unsigned IOCTL_MTIOCTOP;
1293 extern unsigned IOCTL_SIOCADDRT;
1294 extern unsigned IOCTL_SIOCDELRT;
1295 extern unsigned IOCTL_SNDCTL_DSP_GETBLKSIZE;
1296 extern unsigned IOCTL_SNDCTL_DSP_GETFMTS;
1297 extern unsigned IOCTL_SNDCTL_DSP_NONBLOCK;
1298 extern unsigned IOCTL_SNDCTL_DSP_POST;
1299 extern unsigned IOCTL_SNDCTL_DSP_RESET;
1300 extern unsigned IOCTL_SNDCTL_DSP_SETFMT;
1301 extern unsigned IOCTL_SNDCTL_DSP_SETFRAGMENT;
1302 extern unsigned IOCTL_SNDCTL_DSP_SPEED;
1303 extern unsigned IOCTL_SNDCTL_DSP_STEREO;
1304 extern unsigned IOCTL_SNDCTL_DSP_SUBDIVIDE;
1305 extern unsigned IOCTL_SNDCTL_DSP_SYNC;
1306 extern unsigned IOCTL_SNDCTL_FM_4OP_ENABLE;
1307 extern unsigned IOCTL_SNDCTL_FM_LOAD_INSTR;
1308 extern unsigned IOCTL_SNDCTL_MIDI_INFO;
1309 extern unsigned IOCTL_SNDCTL_MIDI_PRETIME;
1310 extern unsigned IOCTL_SNDCTL_SEQ_CTRLRATE;
1311 extern unsigned IOCTL_SNDCTL_SEQ_GETINCOUNT;
1312 extern unsigned IOCTL_SNDCTL_SEQ_GETOUTCOUNT;
1313 extern unsigned IOCTL_SNDCTL_SEQ_NRMIDIS;
1314 extern unsigned IOCTL_SNDCTL_SEQ_NRSYNTHS;
1315 extern unsigned IOCTL_SNDCTL_SEQ_OUTOFBAND;
1316 extern unsigned IOCTL_SNDCTL_SEQ_PANIC;
1317 extern unsigned IOCTL_SNDCTL_SEQ_PERCMODE;
1318 extern unsigned IOCTL_SNDCTL_SEQ_RESET;
1319 extern unsigned IOCTL_SNDCTL_SEQ_RESETSAMPLES;
1320 extern unsigned IOCTL_SNDCTL_SEQ_SYNC;
1321 extern unsigned IOCTL_SNDCTL_SEQ_TESTMIDI;
1322 extern unsigned IOCTL_SNDCTL_SEQ_THRESHOLD;
1323 extern unsigned IOCTL_SNDCTL_SYNTH_INFO;
1324 extern unsigned IOCTL_SNDCTL_SYNTH_MEMAVL;
1325 extern unsigned IOCTL_SNDCTL_TMR_CONTINUE;
1326 extern unsigned IOCTL_SNDCTL_TMR_METRONOME;
1327 extern unsigned IOCTL_SNDCTL_TMR_SELECT;
1328 extern unsigned IOCTL_SNDCTL_TMR_SOURCE;
1329 extern unsigned IOCTL_SNDCTL_TMR_START;
1330 extern unsigned IOCTL_SNDCTL_TMR_STOP;
1331 extern unsigned IOCTL_SNDCTL_TMR_TEMPO;
1332 extern unsigned IOCTL_SNDCTL_TMR_TIMEBASE;
1333 extern unsigned IOCTL_SOUND_MIXER_READ_ALTPCM;
1334 extern unsigned IOCTL_SOUND_MIXER_READ_BASS;
1335 extern unsigned IOCTL_SOUND_MIXER_READ_CAPS;
1336 extern unsigned IOCTL_SOUND_MIXER_READ_CD;
1337 extern unsigned IOCTL_SOUND_MIXER_READ_DEVMASK;
1338 extern unsigned IOCTL_SOUND_MIXER_READ_ENHANCE;
1339 extern unsigned IOCTL_SOUND_MIXER_READ_IGAIN;
1340 extern unsigned IOCTL_SOUND_MIXER_READ_IMIX;
1341 extern unsigned IOCTL_SOUND_MIXER_READ_LINE1;
1342 extern unsigned IOCTL_SOUND_MIXER_READ_LINE2;
1343 extern unsigned IOCTL_SOUND_MIXER_READ_LINE3;
1344 extern unsigned IOCTL_SOUND_MIXER_READ_LINE;
1345 extern unsigned IOCTL_SOUND_MIXER_READ_LOUD;
1346 extern unsigned IOCTL_SOUND_MIXER_READ_MIC;
1347 extern unsigned IOCTL_SOUND_MIXER_READ_MUTE;
1348 extern unsigned IOCTL_SOUND_MIXER_READ_OGAIN;
1349 extern unsigned IOCTL_SOUND_MIXER_READ_PCM;
1350 extern unsigned IOCTL_SOUND_MIXER_READ_RECLEV;
1351 extern unsigned IOCTL_SOUND_MIXER_READ_RECMASK;
1352 extern unsigned IOCTL_SOUND_MIXER_READ_RECSRC;
1353 extern unsigned IOCTL_SOUND_MIXER_READ_SPEAKER;
1354 extern unsigned IOCTL_SOUND_MIXER_READ_STEREODEVS;
1355 extern unsigned IOCTL_SOUND_MIXER_READ_SYNTH;
1356 extern unsigned IOCTL_SOUND_MIXER_READ_TREBLE;
1357 extern unsigned IOCTL_SOUND_MIXER_READ_VOLUME;
1358 extern unsigned IOCTL_SOUND_MIXER_WRITE_ALTPCM;
1359 extern unsigned IOCTL_SOUND_MIXER_WRITE_BASS;
1360 extern unsigned IOCTL_SOUND_MIXER_WRITE_CD;
1361 extern unsigned IOCTL_SOUND_MIXER_WRITE_ENHANCE;
1362 extern unsigned IOCTL_SOUND_MIXER_WRITE_IGAIN;
1363 extern unsigned IOCTL_SOUND_MIXER_WRITE_IMIX;
1364 extern unsigned IOCTL_SOUND_MIXER_WRITE_LINE1;
1365 extern unsigned IOCTL_SOUND_MIXER_WRITE_LINE2;
1366 extern unsigned IOCTL_SOUND_MIXER_WRITE_LINE3;
1367 extern unsigned IOCTL_SOUND_MIXER_WRITE_LINE;
1368 extern unsigned IOCTL_SOUND_MIXER_WRITE_LOUD;
1369 extern unsigned IOCTL_SOUND_MIXER_WRITE_MIC;
1370 extern unsigned IOCTL_SOUND_MIXER_WRITE_MUTE;
1371 extern unsigned IOCTL_SOUND_MIXER_WRITE_OGAIN;
1372 extern unsigned IOCTL_SOUND_MIXER_WRITE_PCM;
1373 extern unsigned IOCTL_SOUND_MIXER_WRITE_RECLEV;
1374 extern unsigned IOCTL_SOUND_MIXER_WRITE_RECSRC;
1375 extern unsigned IOCTL_SOUND_MIXER_WRITE_SPEAKER;
1376 extern unsigned IOCTL_SOUND_MIXER_WRITE_SYNTH;
1377 extern unsigned IOCTL_SOUND_MIXER_WRITE_TREBLE;
1378 extern unsigned IOCTL_SOUND_MIXER_WRITE_VOLUME;
1379 extern unsigned IOCTL_SOUND_PCM_READ_BITS;
1380 extern unsigned IOCTL_SOUND_PCM_READ_CHANNELS;
1381 extern unsigned IOCTL_SOUND_PCM_READ_FILTER;
1382 extern unsigned IOCTL_SOUND_PCM_READ_RATE;
1383 extern unsigned IOCTL_SOUND_PCM_WRITE_CHANNELS;
1384 extern unsigned IOCTL_SOUND_PCM_WRITE_FILTER;
1385 extern unsigned IOCTL_VT_ACTIVATE;
1386 extern unsigned IOCTL_VT_GETMODE;
1387 extern unsigned IOCTL_VT_OPENQRY;
1388 extern unsigned IOCTL_VT_RELDISP;
1389 extern unsigned IOCTL_VT_SETMODE;
1390 extern unsigned IOCTL_VT_WAITACTIVE;
1391 #endif  // SANITIZER_LINUX
1392
1393 #if SANITIZER_LINUX && !SANITIZER_ANDROID
1394 extern unsigned IOCTL_EQL_EMANCIPATE;
1395 extern unsigned IOCTL_EQL_ENSLAVE;
1396 extern unsigned IOCTL_EQL_GETMASTRCFG;
1397 extern unsigned IOCTL_EQL_GETSLAVECFG;
1398 extern unsigned IOCTL_EQL_SETMASTRCFG;
1399 extern unsigned IOCTL_EQL_SETSLAVECFG;
1400 extern unsigned IOCTL_EVIOCGKEYCODE_V2;
1401 extern unsigned IOCTL_EVIOCGPROP;
1402 extern unsigned IOCTL_EVIOCSKEYCODE_V2;
1403 extern unsigned IOCTL_FS_IOC_GETFLAGS;
1404 extern unsigned IOCTL_FS_IOC_GETVERSION;
1405 extern unsigned IOCTL_FS_IOC_SETFLAGS;
1406 extern unsigned IOCTL_FS_IOC_SETVERSION;
1407 extern unsigned IOCTL_GIO_CMAP;
1408 extern unsigned IOCTL_GIO_FONT;
1409 extern unsigned IOCTL_GIO_UNIMAP;
1410 extern unsigned IOCTL_GIO_UNISCRNMAP;
1411 extern unsigned IOCTL_KDADDIO;
1412 extern unsigned IOCTL_KDDELIO;
1413 extern unsigned IOCTL_KDGETKEYCODE;
1414 extern unsigned IOCTL_KDGKBDIACR;
1415 extern unsigned IOCTL_KDGKBENT;
1416 extern unsigned IOCTL_KDGKBLED;
1417 extern unsigned IOCTL_KDGKBMETA;
1418 extern unsigned IOCTL_KDGKBSENT;
1419 extern unsigned IOCTL_KDMAPDISP;
1420 extern unsigned IOCTL_KDSETKEYCODE;
1421 extern unsigned IOCTL_KDSIGACCEPT;
1422 extern unsigned IOCTL_KDSKBDIACR;
1423 extern unsigned IOCTL_KDSKBENT;
1424 extern unsigned IOCTL_KDSKBLED;
1425 extern unsigned IOCTL_KDSKBMETA;
1426 extern unsigned IOCTL_KDSKBSENT;
1427 extern unsigned IOCTL_KDUNMAPDISP;
1428 extern unsigned IOCTL_LPABORT;
1429 extern unsigned IOCTL_LPABORTOPEN;
1430 extern unsigned IOCTL_LPCAREFUL;
1431 extern unsigned IOCTL_LPCHAR;
1432 extern unsigned IOCTL_LPGETIRQ;
1433 extern unsigned IOCTL_LPGETSTATUS;
1434 extern unsigned IOCTL_LPRESET;
1435 extern unsigned IOCTL_LPSETIRQ;
1436 extern unsigned IOCTL_LPTIME;
1437 extern unsigned IOCTL_LPWAIT;
1438 extern unsigned IOCTL_MTIOCGETCONFIG;
1439 extern unsigned IOCTL_MTIOCSETCONFIG;
1440 extern unsigned IOCTL_PIO_CMAP;
1441 extern unsigned IOCTL_PIO_FONT;
1442 extern unsigned IOCTL_PIO_UNIMAP;
1443 extern unsigned IOCTL_PIO_UNIMAPCLR;
1444 extern unsigned IOCTL_PIO_UNISCRNMAP;
1445 extern unsigned IOCTL_SCSI_IOCTL_GET_IDLUN;
1446 extern unsigned IOCTL_SCSI_IOCTL_PROBE_HOST;
1447 extern unsigned IOCTL_SCSI_IOCTL_TAGGED_DISABLE;
1448 extern unsigned IOCTL_SCSI_IOCTL_TAGGED_ENABLE;
1449 extern unsigned IOCTL_SIOCAIPXITFCRT;
1450 extern unsigned IOCTL_SIOCAIPXPRISLT;
1451 extern unsigned IOCTL_SIOCAX25ADDUID;
1452 extern unsigned IOCTL_SIOCAX25DELUID;
1453 extern unsigned IOCTL_SIOCAX25GETPARMS;
1454 extern unsigned IOCTL_SIOCAX25GETUID;
1455 extern unsigned IOCTL_SIOCAX25NOUID;
1456 extern unsigned IOCTL_SIOCAX25SETPARMS;
1457 extern unsigned IOCTL_SIOCDEVPLIP;
1458 extern unsigned IOCTL_SIOCIPXCFGDATA;
1459 extern unsigned IOCTL_SIOCNRDECOBS;
1460 extern unsigned IOCTL_SIOCNRGETPARMS;
1461 extern unsigned IOCTL_SIOCNRRTCTL;
1462 extern unsigned IOCTL_SIOCNRSETPARMS;
1463 extern unsigned IOCTL_SNDCTL_DSP_GETISPACE;
1464 extern unsigned IOCTL_SNDCTL_DSP_GETOSPACE;
1465 extern unsigned IOCTL_TIOCGSERIAL;
1466 extern unsigned IOCTL_TIOCSERGETMULTI;
1467 extern unsigned IOCTL_TIOCSERSETMULTI;
1468 extern unsigned IOCTL_TIOCSSERIAL;
1469 extern unsigned IOCTL_GIO_SCRNMAP;
1470 extern unsigned IOCTL_KDDISABIO;
1471 extern unsigned IOCTL_KDENABIO;
1472 extern unsigned IOCTL_KDGETLED;
1473 extern unsigned IOCTL_KDGETMODE;
1474 extern unsigned IOCTL_KDGKBMODE;
1475 extern unsigned IOCTL_KDGKBTYPE;
1476 extern unsigned IOCTL_KDMKTONE;
1477 extern unsigned IOCTL_KDSETLED;
1478 extern unsigned IOCTL_KDSETMODE;
1479 extern unsigned IOCTL_KDSKBMODE;
1480 extern unsigned IOCTL_KIOCSOUND;
1481 extern unsigned IOCTL_PIO_SCRNMAP;
1482 #endif
1483
1484 extern const int si_SEGV_MAPERR;
1485 extern const int si_SEGV_ACCERR;
1486 }  // namespace __sanitizer
1487
1488 #define CHECK_TYPE_SIZE(TYPE) \
1489   COMPILER_CHECK(sizeof(__sanitizer_##TYPE) == sizeof(TYPE))
1490
1491 #define CHECK_SIZE_AND_OFFSET(CLASS, MEMBER)                      \
1492   COMPILER_CHECK(sizeof(((__sanitizer_##CLASS *)NULL)->MEMBER) == \
1493                  sizeof(((CLASS *)NULL)->MEMBER));                \
1494   COMPILER_CHECK(offsetof(__sanitizer_##CLASS, MEMBER) ==         \
1495                  offsetof(CLASS, MEMBER))
1496
1497 // For sigaction, which is a function and struct at the same time,
1498 // and thus requires explicit "struct" in sizeof() expression.
1499 #define CHECK_STRUCT_SIZE_AND_OFFSET(CLASS, MEMBER)                      \
1500   COMPILER_CHECK(sizeof(((struct __sanitizer_##CLASS *)NULL)->MEMBER) == \
1501                  sizeof(((struct CLASS *)NULL)->MEMBER));                \
1502   COMPILER_CHECK(offsetof(struct __sanitizer_##CLASS, MEMBER) ==         \
1503                  offsetof(struct CLASS, MEMBER))
1504
1505 #define SIGACTION_SYMNAME sigaction
1506
1507 #endif  // SANITIZER_LINUX || SANITIZER_APPLE
1508
1509 #endif