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