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 #include "sanitizer_mallinfo.h"
  22
  23 #if SANITIZER_APPLE
  24 #include <sys/cdefs.h>
  25 #if !__DARWIN_ONLY_64_BIT_INO_T
  26 #define SANITIZER_HAS_STAT64 1
  27 #define SANITIZER_HAS_STATFS64 1
  28 #else
  29 #define SANITIZER_HAS_STAT64 0
  30 #define SANITIZER_HAS_STATFS64 0
  31 #endif
  32 #elif SANITIZER_GLIBC || SANITIZER_ANDROID
  33 #define SANITIZER_HAS_STAT64 1
  34 #define SANITIZER_HAS_STATFS64 1
  35 #endif
  36
  37 #if defined(__sparc__)
  38 // FIXME: This can't be included from tsan which does not support sparc yet.
  39 #include "sanitizer_glibc_version.h"
  40 #endif
  41
  42 # define GET_LINK_MAP_BY_DLOPEN_HANDLE(handle) ((link_map*)(handle))
  43
  44 namespace __sanitizer {
  45 extern unsigned struct_utsname_sz;
  46 extern unsigned struct_stat_sz;
  47 #if SANITIZER_HAS_STAT64
  48 extern unsigned struct_stat64_sz;
  49 #endif
  50 extern unsigned struct_rusage_sz;
  51 extern unsigned siginfo_t_sz;
  52 extern unsigned struct_itimerval_sz;
  53 extern unsigned pthread_t_sz;
  54 extern unsigned pthread_mutex_t_sz;
  55 extern unsigned pthread_cond_t_sz;
  56 extern unsigned pid_t_sz;
  57 extern unsigned timeval_sz;
  58 extern unsigned uid_t_sz;
  59 extern unsigned gid_t_sz;
  60 extern unsigned mbstate_t_sz;
  61 extern unsigned struct_timezone_sz;
  62 extern unsigned struct_tms_sz;
  63 extern unsigned struct_itimerspec_sz;
  64 extern unsigned struct_sigevent_sz;
  65 extern unsigned struct_stack_t_sz;
  66 extern unsigned struct_sched_param_sz;
  67 #if SANITIZER_HAS_STATFS64
  68 extern unsigned struct_statfs64_sz;
  69 #endif
  70 extern unsigned struct_regex_sz;
  71 extern unsigned struct_regmatch_sz;
  72
  73 #if !SANITIZER_ANDROID
  74 extern unsigned struct_fstab_sz;
  75 extern unsigned struct_statfs_sz;
  76 extern unsigned struct_sockaddr_sz;
  77 unsigned ucontext_t_sz(void *uctx);
  78 #  endif  // !SANITIZER_ANDROID
  79
  80 #  if SANITIZER_LINUX
  81
  82 #    if defined(__x86_64__)
  83 const unsigned struct_kernel_stat_sz = 144;
  84 const unsigned struct_kernel_stat64_sz = 0;
  85 #elif defined(__i386__)
  86 const unsigned struct_kernel_stat_sz = 64;
  87 const unsigned struct_kernel_stat64_sz = 96;
  88 #elif defined(__arm__)
  89 const unsigned struct_kernel_stat_sz = 64;
  90 const unsigned struct_kernel_stat64_sz = 104;
  91 #elif defined(__aarch64__)
  92 const unsigned struct_kernel_stat_sz = 128;
  93 const unsigned struct_kernel_stat64_sz = 104;
  94 #elif defined(__powerpc__) && !defined(__powerpc64__)
  95 const unsigned struct_kernel_stat_sz = 72;
  96 const unsigned struct_kernel_stat64_sz = 104;
  97 #elif defined(__powerpc64__)
  98 const unsigned struct_kernel_stat_sz = 144;
  99 const unsigned struct_kernel_stat64_sz = 104;
 100 #elif defined(__mips__)
 101 const unsigned struct_kernel_stat_sz =
 102     SANITIZER_ANDROID
 103         ? FIRST_32_SECOND_64(104, 128)
 104         : FIRST_32_SECOND_64((_MIPS_SIM == _ABIN32) ? 176 : 160, 216);
 105 const unsigned struct_kernel_stat64_sz = 104;
 106 #elif defined(__s390__) && !defined(__s390x__)
 107 const unsigned struct_kernel_stat_sz = 64;
 108 const unsigned struct_kernel_stat64_sz = 104;
 109 #elif defined(__s390x__)
 110 const unsigned struct_kernel_stat_sz = 144;
 111 const unsigned struct_kernel_stat64_sz = 0;
 112 #elif defined(__sparc__) && defined(__arch64__)
 113 const unsigned struct___old_kernel_stat_sz = 0;
 114 const unsigned struct_kernel_stat_sz = 104;
 115 const unsigned struct_kernel_stat64_sz = 144;
 116 #elif defined(__sparc__) && !defined(__arch64__)
 117 const unsigned struct___old_kernel_stat_sz = 0;
 118 const unsigned struct_kernel_stat_sz = 64;
 119 const unsigned struct_kernel_stat64_sz = 104;
 120 #elif SANITIZER_RISCV64
 121 const unsigned struct_kernel_stat_sz = 128;
 122 const unsigned struct_kernel_stat64_sz = 0;  // RISCV64 does not use stat64
 123 #    elif defined(__hexagon__)
 124 const unsigned struct_kernel_stat_sz = 128;
 125 const unsigned struct_kernel_stat64_sz = 0;
 126 #    elif defined(__loongarch__)
 127 const unsigned struct_kernel_stat_sz = 128;
 128 const unsigned struct_kernel_stat64_sz = 0;
 129 #    endif
 130 struct __sanitizer_perf_event_attr {
 131   unsigned type;
 132   unsigned size;
 133   // More fields that vary with the kernel version.
 134 };
 135
 136 extern unsigned struct_epoll_event_sz;
 137 extern unsigned struct_sysinfo_sz;
 138 extern unsigned __user_cap_header_struct_sz;
 139 extern unsigned __user_cap_data_struct_sz(void *hdrp);
 140 extern unsigned struct_new_utsname_sz;
 141 extern unsigned struct_old_utsname_sz;
 142 extern unsigned struct_oldold_utsname_sz;
 143
 144 const unsigned struct_kexec_segment_sz = 4 * sizeof(unsigned long);
 145 #endif  // SANITIZER_LINUX
 146
 147 #if SANITIZER_LINUX
 148
 149 #if defined(__powerpc64__) || defined(__s390__) || defined(__loongarch__)
 150 const unsigned struct___old_kernel_stat_sz = 0;
 151 #elif !defined(__sparc__)
 152 const unsigned struct___old_kernel_stat_sz = 32;
 153 #endif
 154
 155 extern unsigned struct_rlimit_sz;
 156 extern unsigned struct_utimbuf_sz;
 157 extern unsigned struct_timespec_sz;
 158
 159 struct __sanitizer_iocb {
 160   u64 aio_data;
 161   u32 aio_key_or_aio_reserved1;  // Simply crazy.
 162   u32 aio_reserved1_or_aio_key;  // Luckily, we don't need these.
 163   u16 aio_lio_opcode;
 164   s16 aio_reqprio;
 165   u32 aio_fildes;
 166   u64 aio_buf;
 167   u64 aio_nbytes;
 168   s64 aio_offset;
 169   u64 aio_reserved2;
 170   u64 aio_reserved3;
 171 };
 172
 173 struct __sanitizer_io_event {
 174   u64 data;
 175   u64 obj;
 176   u64 res;
 177   u64 res2;
 178 };
 179
 180 const unsigned iocb_cmd_pread = 0;
 181 const unsigned iocb_cmd_pwrite = 1;
 182 const unsigned iocb_cmd_preadv = 7;
 183 const unsigned iocb_cmd_pwritev = 8;
 184
 185 struct __sanitizer___sysctl_args {
 186   int *name;
 187   int nlen;
 188   void *oldval;
 189   uptr *oldlenp;
 190   void *newval;
 191   uptr newlen;
 192   unsigned long ___unused[4];
 193 };
 194
 195 const unsigned old_sigset_t_sz = sizeof(unsigned long);
 196
 197 struct __sanitizer_sem_t {
 198 #if SANITIZER_ANDROID && defined(_LP64)
 199   int data[4];
 200 #elif SANITIZER_ANDROID && !defined(_LP64)
 201   int data;
 202 #elif SANITIZER_LINUX
 203   uptr data[4];
 204 #endif
 205 };
 206 #endif // SANITIZER_LINUX
 207
 208 #if SANITIZER_LINUX && !SANITIZER_ANDROID
 209 extern unsigned struct_ustat_sz;
 210 extern unsigned struct_rlimit64_sz;
 211 extern unsigned struct_statvfs64_sz;
 212
 213 struct __sanitizer_ipc_perm {
 214   int __key;
 215   int uid;
 216   int gid;
 217   int cuid;
 218   int cgid;
 219 #ifdef __powerpc__
 220   unsigned mode;
 221   unsigned __seq;
 222   u64 __unused1;
 223   u64 __unused2;
 224 #elif defined(__sparc__)
 225   unsigned mode;
 226   unsigned short __pad2;
 227   unsigned short __seq;
 228   unsigned long long __unused1;
 229   unsigned long long __unused2;
 230 #else
 231   unsigned int mode;
 232   unsigned short __seq;
 233   unsigned short __pad2;
 234 #if defined(__x86_64__) && !defined(_LP64)
 235   u64 __unused1;
 236   u64 __unused2;
 237 #else
 238   unsigned long __unused1;
 239   unsigned long __unused2;
 240 #endif
 241 #endif
 242 };
 243
 244 struct __sanitizer_shmid_ds {
 245   __sanitizer_ipc_perm shm_perm;
 246 #if defined(__sparc__)
 247 #if !defined(__arch64__)
 248   u32 __pad1;
 249 #endif
 250   long shm_atime;
 251 #if !defined(__arch64__)
 252   u32 __pad2;
 253 #endif
 254   long shm_dtime;
 255 #if !defined(__arch64__)
 256   u32 __pad3;
 257 #endif
 258   long shm_ctime;
 259   uptr shm_segsz;
 260   int shm_cpid;
 261   int shm_lpid;
 262   unsigned long shm_nattch;
 263   unsigned long __glibc_reserved1;
 264   unsigned long __glibc_reserved2;
 265 #else
 266 #ifndef __powerpc__
 267   uptr shm_segsz;
 268 #elif !defined(__powerpc64__)
 269   uptr __unused0;
 270 #endif
 271 #if defined(__x86_64__) && !defined(_LP64)
 272   u64 shm_atime;
 273   u64 shm_dtime;
 274   u64 shm_ctime;
 275 #else
 276   uptr shm_atime;
 277 #if !defined(_LP64) && !defined(__mips__)
 278   uptr __unused1;
 279 #endif
 280   uptr shm_dtime;
 281 #if !defined(_LP64) && !defined(__mips__)
 282   uptr __unused2;
 283 #endif
 284   uptr shm_ctime;
 285 #if !defined(_LP64) && !defined(__mips__)
 286   uptr __unused3;
 287 #endif
 288 #endif
 289 #ifdef __powerpc__
 290   uptr shm_segsz;
 291 #endif
 292   int shm_cpid;
 293   int shm_lpid;
 294 #if defined(__x86_64__) && !defined(_LP64)
 295   u64 shm_nattch;
 296   u64 __unused4;
 297   u64 __unused5;
 298 #else
 299   uptr shm_nattch;
 300   uptr __unused4;
 301   uptr __unused5;
 302 #endif
 303 #endif
 304 };
 305 #endif
 306
 307 #if SANITIZER_LINUX && !SANITIZER_ANDROID
 308 extern unsigned struct_msqid_ds_sz;
 309 extern unsigned struct_mq_attr_sz;
 310 extern unsigned struct_timex_sz;
 311 extern unsigned struct_statvfs_sz;
 312 #endif  // SANITIZER_LINUX && !SANITIZER_ANDROID
 313
 314 struct __sanitizer_iovec {
 315   void *iov_base;
 316   uptr iov_len;
 317 };
 318
 319 #if !SANITIZER_ANDROID
 320 struct __sanitizer_ifaddrs {
 321   struct __sanitizer_ifaddrs *ifa_next;
 322   char *ifa_name;
 323   unsigned int ifa_flags;
 324   void *ifa_addr;     // (struct sockaddr *)
 325   void *ifa_netmask;  // (struct sockaddr *)
 326   // This is a union on Linux.
 327 # ifdef ifa_dstaddr
 328 # undef ifa_dstaddr
 329 # endif
 330   void *ifa_dstaddr;  // (struct sockaddr *)
 331   void *ifa_data;
 332 };
 333 #endif  // !SANITIZER_ANDROID
 334
 335 #if SANITIZER_APPLE
 336 typedef unsigned long __sanitizer_pthread_key_t;
 337 #else
 338 typedef unsigned __sanitizer_pthread_key_t;
 339 #endif
 340
 341 #if SANITIZER_LINUX && !SANITIZER_ANDROID
 342
 343 struct __sanitizer_XDR {
 344   int x_op;
 345   void *x_ops;
 346   uptr x_public;
 347   uptr x_private;
 348   uptr x_base;
 349   unsigned x_handy;
 350 };
 351
 352 const int __sanitizer_XDR_ENCODE = 0;
 353 const int __sanitizer_XDR_DECODE = 1;
 354 const int __sanitizer_XDR_FREE = 2;
 355 #endif
 356
 357 struct __sanitizer_passwd {
 358   char *pw_name;
 359   char *pw_passwd;
 360   int pw_uid;
 361   int pw_gid;
 362 #if SANITIZER_APPLE
 363   long pw_change;
 364   char *pw_class;
 365 #endif
 366 #if !(SANITIZER_ANDROID && (SANITIZER_WORDSIZE == 32))
 367   char *pw_gecos;
 368 #endif
 369   char *pw_dir;
 370   char *pw_shell;
 371 #if SANITIZER_APPLE
 372   long pw_expire;
 373 #endif
 374 };
 375
 376 struct __sanitizer_group {
 377   char *gr_name;
 378   char *gr_passwd;
 379   int gr_gid;
 380   char **gr_mem;
 381 };
 382
 383 #  if (SANITIZER_LINUX && !SANITIZER_GLIBC && !SANITIZER_ANDROID) || \
 384       (defined(__x86_64__) && !defined(_LP64)) || defined(__hexagon__)
 385 typedef long long __sanitizer_time_t;
 386 #else
 387 typedef long __sanitizer_time_t;
 388 #endif
 389
 390 typedef long __sanitizer_suseconds_t;
 391
 392 struct __sanitizer_timespec {
 393   __sanitizer_time_t tv_sec; /* seconds */
 394   u64 tv_nsec;               /* nanoseconds */
 395 };
 396
 397 struct __sanitizer_itimerspec {
 398   struct __sanitizer_timespec it_interval; /* timer period */
 399   struct __sanitizer_timespec it_value;    /* timer expiration */
 400 };
 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 typedef unsigned long long __sanitizer_eventfd_t;
 537 #endif
 538
 539 #if SANITIZER_LINUX
 540 #    if defined(_LP64) || defined(__x86_64__) || defined(__powerpc__) || \
 541         defined(__mips__) || defined(__hexagon__)
 542 typedef unsigned __sanitizer___kernel_uid_t;
 543 typedef unsigned __sanitizer___kernel_gid_t;
 544 #else
 545 typedef unsigned short __sanitizer___kernel_uid_t;
 546 typedef unsigned short __sanitizer___kernel_gid_t;
 547 #endif
 548 #if defined(__x86_64__) && !defined(_LP64)
 549 typedef long long __sanitizer___kernel_off_t;
 550 #else
 551 typedef long __sanitizer___kernel_off_t;
 552 #endif
 553
 554 #if defined(__powerpc__) || defined(__mips__)
 555 typedef unsigned int __sanitizer___kernel_old_uid_t;
 556 typedef unsigned int __sanitizer___kernel_old_gid_t;
 557 #else
 558 typedef unsigned short __sanitizer___kernel_old_uid_t;
 559 typedef unsigned short __sanitizer___kernel_old_gid_t;
 560 #endif
 561
 562 typedef long long __sanitizer___kernel_loff_t;
 563 typedef struct {
 564   unsigned long fds_bits[1024 / (8 * sizeof(long))];
 565 } __sanitizer___kernel_fd_set;
 566 #endif
 567
 568 // This thing depends on the platform. We are only interested in the upper
 569 // limit. Verified with a compiler assert in .cpp.
 570 union __sanitizer_pthread_attr_t {
 571   char size[128];
 572   void *align;
 573 };
 574
 575 #if SANITIZER_ANDROID
 576 # if SANITIZER_MIPS
 577 typedef unsigned long __sanitizer_sigset_t[16 / sizeof(unsigned long)];
 578 # else
 579 typedef unsigned long __sanitizer_sigset_t;
 580 # endif
 581 #elif SANITIZER_APPLE
 582 typedef unsigned __sanitizer_sigset_t;
 583 #elif SANITIZER_LINUX
 584 struct __sanitizer_sigset_t {
 585   // The size is determined by looking at sizeof of real sigset_t on linux.
 586   uptr val[128 / sizeof(uptr)];
 587 };
 588 #endif
 589
 590 struct __sanitizer_siginfo_pad {
 591 #if SANITIZER_X32
 592   // x32 siginfo_t is aligned to 8 bytes.
 593   u64 pad[128 / sizeof(u64)];
 594 #else
 595   // Require uptr, because siginfo_t is always pointer-size aligned on Linux.
 596   uptr pad[128 / sizeof(uptr)];
 597 #endif
 598 };
 599
 600 #if SANITIZER_LINUX
 601 # define SANITIZER_HAS_SIGINFO 1
 602 union __sanitizer_siginfo {
 603   struct {
 604     int si_signo;
 605 # if SANITIZER_MIPS
 606     int si_code;
 607     int si_errno;
 608 # else
 609     int si_errno;
 610     int si_code;
 611 # endif
 612   };
 613   __sanitizer_siginfo_pad pad;
 614 };
 615 #else
 616 # define SANITIZER_HAS_SIGINFO 0
 617 typedef __sanitizer_siginfo_pad __sanitizer_siginfo;
 618 #endif
 619
 620 using __sanitizer_sighandler_ptr = void (*)(int sig);
 621 using __sanitizer_sigactionhandler_ptr = void (*)(int sig,
 622                                                   __sanitizer_siginfo *siginfo,
 623                                                   void *uctx);
 624
 625 // Linux system headers define the 'sa_handler' and 'sa_sigaction' macros.
 626 #if SANITIZER_ANDROID && (SANITIZER_WORDSIZE == 64)
 627 struct __sanitizer_sigaction {
 628   unsigned sa_flags;
 629   union {
 630     __sanitizer_sigactionhandler_ptr sigaction;
 631     __sanitizer_sighandler_ptr handler;
 632   };
 633   __sanitizer_sigset_t sa_mask;
 634   void (*sa_restorer)();
 635 };
 636 #elif SANITIZER_ANDROID && SANITIZER_MIPS32  // check this before WORDSIZE == 32
 637 struct __sanitizer_sigaction {
 638   unsigned sa_flags;
 639   union {
 640     __sanitizer_sigactionhandler_ptr sigaction;
 641     __sanitizer_sighandler_ptr handler;
 642   };
 643   __sanitizer_sigset_t sa_mask;
 644 };
 645 #elif SANITIZER_ANDROID && (SANITIZER_WORDSIZE == 32)
 646 struct __sanitizer_sigaction {
 647   union {
 648     __sanitizer_sigactionhandler_ptr sigaction;
 649     __sanitizer_sighandler_ptr handler;
 650   };
 651   __sanitizer_sigset_t sa_mask;
 652   uptr sa_flags;
 653   void (*sa_restorer)();
 654 };
 655 #else // !SANITIZER_ANDROID
 656 struct __sanitizer_sigaction {
 657 #if defined(__mips__) && !SANITIZER_FREEBSD
 658   unsigned int sa_flags;
 659 #endif
 660   union {
 661     __sanitizer_sigactionhandler_ptr sigaction;
 662     __sanitizer_sighandler_ptr handler;
 663   };
 664 #if SANITIZER_FREEBSD
 665   int sa_flags;
 666   __sanitizer_sigset_t sa_mask;
 667 #else
 668 #if defined(__s390x__)
 669   int sa_resv;
 670 #else
 671   __sanitizer_sigset_t sa_mask;
 672 #endif
 673 #ifndef __mips__
 674 #if defined(__sparc__)
 675 #if __GLIBC_PREREQ (2, 20)
 676   // On sparc glibc 2.19 and earlier sa_flags was unsigned long.
 677 #if defined(__arch64__)
 678   // To maintain ABI compatibility on sparc64 when switching to an int,
 679   // __glibc_reserved0 was added.
 680   int __glibc_reserved0;
 681 #endif
 682   int sa_flags;
 683 #else
 684   unsigned long sa_flags;
 685 #endif
 686 #else
 687   int sa_flags;
 688 #endif
 689 #endif
 690 #endif
 691 #if SANITIZER_LINUX
 692   void (*sa_restorer)();
 693 #endif
 694 #if defined(__mips__) && (SANITIZER_WORDSIZE == 32)
 695   int sa_resv[1];
 696 #endif
 697 #if defined(__s390x__)
 698   __sanitizer_sigset_t sa_mask;
 699 #endif
 700 };
 701 #endif // !SANITIZER_ANDROID
 702
 703 #if defined(__mips__)
 704 #define __SANITIZER_KERNEL_NSIG 128
 705 #else
 706 #define __SANITIZER_KERNEL_NSIG 64
 707 #endif
 708
 709 struct __sanitizer_kernel_sigset_t {
 710   uptr sig[__SANITIZER_KERNEL_NSIG / (sizeof(uptr) * 8)];
 711 };
 712
 713 // Linux system headers define the 'sa_handler' and 'sa_sigaction' macros.
 714 #if SANITIZER_MIPS
 715 struct __sanitizer_kernel_sigaction_t {
 716   unsigned int sa_flags;
 717   union {
 718     void (*handler)(int signo);
 719     void (*sigaction)(int signo, __sanitizer_siginfo *info, void *ctx);
 720   };
 721   __sanitizer_kernel_sigset_t sa_mask;
 722   void (*sa_restorer)(void);
 723 };
 724 #else
 725 struct __sanitizer_kernel_sigaction_t {
 726   union {
 727     void (*handler)(int signo);
 728     void (*sigaction)(int signo, __sanitizer_siginfo *info, void *ctx);
 729   };
 730   unsigned long sa_flags;
 731   void (*sa_restorer)(void);
 732   __sanitizer_kernel_sigset_t sa_mask;
 733 };
 734 #endif
 735
 736 extern const uptr sig_ign;
 737 extern const uptr sig_dfl;
 738 extern const uptr sig_err;
 739 extern const uptr sa_siginfo;
 740
 741 #if SANITIZER_LINUX
 742 extern int e_tabsz;
 743 #endif
 744
 745 extern int af_inet;
 746 extern int af_inet6;
 747 uptr __sanitizer_in_addr_sz(int af);
 748
 749 #if SANITIZER_LINUX
 750 struct __sanitizer_dl_phdr_info {
 751   uptr dlpi_addr;
 752   const char *dlpi_name;
 753   const void *dlpi_phdr;
 754   short dlpi_phnum;
 755 };
 756
 757 extern unsigned struct_ElfW_Phdr_sz;
 758 #endif
 759
 760 struct __sanitizer_protoent {
 761   char *p_name;
 762   char **p_aliases;
 763   int p_proto;
 764 };
 765
 766 struct __sanitizer_netent {
 767   char *n_name;
 768   char **n_aliases;
 769   int n_addrtype;
 770   u32 n_net;
 771 };
 772
 773 struct __sanitizer_addrinfo {
 774   int ai_flags;
 775   int ai_family;
 776   int ai_socktype;
 777   int ai_protocol;
 778 #if SANITIZER_ANDROID || SANITIZER_APPLE
 779   unsigned ai_addrlen;
 780   char *ai_canonname;
 781   void *ai_addr;
 782 #else // LINUX
 783   unsigned ai_addrlen;
 784   void *ai_addr;
 785   char *ai_canonname;
 786 #endif
 787   struct __sanitizer_addrinfo *ai_next;
 788 };
 789
 790 struct __sanitizer_hostent {
 791   char *h_name;
 792   char **h_aliases;
 793   int h_addrtype;
 794   int h_length;
 795   char **h_addr_list;
 796 };
 797
 798 struct __sanitizer_pollfd {
 799   int fd;
 800   short events;
 801   short revents;
 802 };
 803
 804 #if SANITIZER_ANDROID || SANITIZER_APPLE
 805 typedef unsigned __sanitizer_nfds_t;
 806 #else
 807 typedef unsigned long __sanitizer_nfds_t;
 808 #endif
 809
 810 #if !SANITIZER_ANDROID
 811 # if SANITIZER_LINUX
 812 struct __sanitizer_glob_t {
 813   uptr gl_pathc;
 814   char **gl_pathv;
 815   uptr gl_offs;
 816   int gl_flags;
 817
 818   void (*gl_closedir)(void *dirp);
 819   void *(*gl_readdir)(void *dirp);
 820   void *(*gl_opendir)(const char *);
 821   int (*gl_lstat)(const char *, void *);
 822   int (*gl_stat)(const char *, void *);
 823 };
 824 # endif  // SANITIZER_LINUX
 825
 826 # if SANITIZER_LINUX
 827 extern int glob_nomatch;
 828 extern int glob_altdirfunc;
 829 # endif
 830 #endif  // !SANITIZER_ANDROID
 831
 832 extern unsigned path_max;
 833
 834 #  if !SANITIZER_ANDROID
 835 extern const int wordexp_wrde_dooffs;
 836 #  endif  // !SANITIZER_ANDROID
 837
 838 struct __sanitizer_wordexp_t {
 839   uptr we_wordc;
 840   char **we_wordv;
 841   uptr we_offs;
 842 };
 843
 844 #if SANITIZER_LINUX && !SANITIZER_ANDROID
 845 struct __sanitizer_FILE {
 846   int _flags;
 847   char *_IO_read_ptr;
 848   char *_IO_read_end;
 849   char *_IO_read_base;
 850   char *_IO_write_base;
 851   char *_IO_write_ptr;
 852   char *_IO_write_end;
 853   char *_IO_buf_base;
 854   char *_IO_buf_end;
 855   char *_IO_save_base;
 856   char *_IO_backup_base;
 857   char *_IO_save_end;
 858   void *_markers;
 859   __sanitizer_FILE *_chain;
 860   int _fileno;
 861 };
 862 # define SANITIZER_HAS_STRUCT_FILE 1
 863 #else
 864 typedef void __sanitizer_FILE;
 865 # define SANITIZER_HAS_STRUCT_FILE 0
 866 #endif
 867
 868 #  if SANITIZER_LINUX && !SANITIZER_ANDROID &&                               \
 869       (defined(__i386) || defined(__x86_64) || defined(__mips64) ||          \
 870        defined(__powerpc64__) || defined(__aarch64__) || defined(__arm__) || \
 871        defined(__s390__) || defined(__loongarch__) || SANITIZER_RISCV64 ||   \
 872        defined(__sparc__))
 873 extern unsigned struct_user_regs_struct_sz;
 874 extern unsigned struct_user_fpregs_struct_sz;
 875 extern unsigned struct_user_fpxregs_struct_sz;
 876 extern unsigned struct_user_vfpregs_struct_sz;
 877
 878 extern int ptrace_peektext;
 879 extern int ptrace_peekdata;
 880 extern int ptrace_peekuser;
 881 extern int ptrace_getregs;
 882 extern int ptrace_setregs;
 883 extern int ptrace_getfpregs;
 884 extern int ptrace_setfpregs;
 885 extern int ptrace_getfpxregs;
 886 extern int ptrace_setfpxregs;
 887 extern int ptrace_getvfpregs;
 888 extern int ptrace_setvfpregs;
 889 extern int ptrace_getsiginfo;
 890 extern int ptrace_setsiginfo;
 891 extern int ptrace_getregset;
 892 extern int ptrace_setregset;
 893 extern int ptrace_geteventmsg;
 894
 895 // Helper for the ptrace interceptor.
 896 template <class T>
 897 inline T ptrace_data_arg(int request, T addr, T data) {
 898 #    if SANITIZER_LINUX && SANITIZER_SPARC
 899   // As described in ptrace(2), the meanings of addr and data are reversed
 900   // for the PTRACE_GETREGS, PTRACE_GETFPREGS, PTRACE_GETREGS, and
 901   // PTRACE_GETFPREGS requests on Linux/sparc64.
 902   if (request == ptrace_getregs || request == ptrace_getfpregs ||
 903       request == ptrace_setregs || request == ptrace_setfpregs)
 904     return addr;
 905   else
 906 #    endif
 907     return data;
 908 }
 909 #  endif
 910
 911 #  if SANITIZER_LINUX && !SANITIZER_ANDROID
 912 extern unsigned struct_shminfo_sz;
 913 extern unsigned struct_shm_info_sz;
 914 extern int shmctl_ipc_stat;
 915 extern int shmctl_ipc_info;
 916 extern int shmctl_shm_info;
 917 extern int shmctl_shm_stat;
 918 #endif
 919
 920 #if !SANITIZER_APPLE && !SANITIZER_FREEBSD
 921 extern unsigned struct_utmp_sz;
 922 #endif
 923 #if !SANITIZER_ANDROID
 924 extern unsigned struct_utmpx_sz;
 925 #endif
 926
 927 extern int map_fixed;
 928
 929 // ioctl arguments
 930 struct __sanitizer_ifconf {
 931   int ifc_len;
 932   union {
 933     void *ifcu_req;
 934   } ifc_ifcu;
 935 #if SANITIZER_APPLE
 936 } __attribute__((packed));
 937 #else
 938 };
 939 #endif
 940
 941 #if SANITIZER_LINUX && !SANITIZER_ANDROID
 942 struct __sanitizer__obstack_chunk {
 943   char *limit;
 944   struct __sanitizer__obstack_chunk *prev;
 945 };
 946
 947 struct __sanitizer_obstack {
 948   long chunk_size;
 949   struct __sanitizer__obstack_chunk *chunk;
 950   char *object_base;
 951   char *next_free;
 952   uptr more_fields[7];
 953 };
 954
 955 typedef uptr (*__sanitizer_cookie_io_read)(void *cookie, char *buf, uptr size);
 956 typedef uptr (*__sanitizer_cookie_io_write)(void *cookie, const char *buf,
 957                                             uptr size);
 958 typedef int (*__sanitizer_cookie_io_seek)(void *cookie, u64 *offset,
 959                                           int whence);
 960 typedef int (*__sanitizer_cookie_io_close)(void *cookie);
 961
 962 struct __sanitizer_cookie_io_functions_t {
 963   __sanitizer_cookie_io_read read;
 964   __sanitizer_cookie_io_write write;
 965   __sanitizer_cookie_io_seek seek;
 966   __sanitizer_cookie_io_close close;
 967 };
 968 #endif
 969
 970 #define IOC_NRBITS 8
 971 #define IOC_TYPEBITS 8
 972 #if defined(__powerpc__) || defined(__powerpc64__) || defined(__mips__) || \
 973     defined(__sparc__)
 974 #define IOC_SIZEBITS 13
 975 #define IOC_DIRBITS 3
 976 #define IOC_NONE 1U
 977 #define IOC_WRITE 4U
 978 #define IOC_READ 2U
 979 #else
 980 #define IOC_SIZEBITS 14
 981 #define IOC_DIRBITS 2
 982 #define IOC_NONE 0U
 983 #define IOC_WRITE 1U
 984 #define IOC_READ 2U
 985 #endif
 986 #define IOC_NRMASK ((1 << IOC_NRBITS) - 1)
 987 #define IOC_TYPEMASK ((1 << IOC_TYPEBITS) - 1)
 988 #define IOC_SIZEMASK ((1 << IOC_SIZEBITS) - 1)
 989 #if defined(IOC_DIRMASK)
 990 #undef IOC_DIRMASK
 991 #endif
 992 #define IOC_DIRMASK ((1 << IOC_DIRBITS) - 1)
 993 #define IOC_NRSHIFT 0
 994 #define IOC_TYPESHIFT (IOC_NRSHIFT + IOC_NRBITS)
 995 #define IOC_SIZESHIFT (IOC_TYPESHIFT + IOC_TYPEBITS)
 996 #define IOC_DIRSHIFT (IOC_SIZESHIFT + IOC_SIZEBITS)
 997 #define EVIOC_EV_MAX 0x1f
 998 #define EVIOC_ABS_MAX 0x3f
 999
1000 #define IOC_DIR(nr) (((nr) >> IOC_DIRSHIFT) & IOC_DIRMASK)
1001 #define IOC_TYPE(nr) (((nr) >> IOC_TYPESHIFT) & IOC_TYPEMASK)
1002 #define IOC_NR(nr) (((nr) >> IOC_NRSHIFT) & IOC_NRMASK)
1003
1004 #if defined(__sparc__)
1005 // In sparc the 14 bits SIZE field overlaps with the
1006 // least significant bit of DIR, so either IOC_READ or
1007 // IOC_WRITE shall be 1 in order to get a non-zero SIZE.
1008 #define IOC_SIZE(nr) \
1009   ((((((nr) >> 29) & 0x7) & (4U | 2U)) == 0) ? 0 : (((nr) >> 16) & 0x3fff))
1010 #else
1011 #define IOC_SIZE(nr) (((nr) >> IOC_SIZESHIFT) & IOC_SIZEMASK)
1012 #endif
1013
1014 extern unsigned struct_ifreq_sz;
1015 extern unsigned struct_termios_sz;
1016 extern unsigned struct_winsize_sz;
1017
1018 #if SANITIZER_LINUX
1019 extern unsigned struct_arpreq_sz;
1020 extern unsigned struct_cdrom_msf_sz;
1021 extern unsigned struct_cdrom_multisession_sz;
1022 extern unsigned struct_cdrom_read_audio_sz;
1023 extern unsigned struct_cdrom_subchnl_sz;
1024 extern unsigned struct_cdrom_ti_sz;
1025 extern unsigned struct_cdrom_tocentry_sz;
1026 extern unsigned struct_cdrom_tochdr_sz;
1027 extern unsigned struct_cdrom_volctrl_sz;
1028 extern unsigned struct_ff_effect_sz;
1029 extern unsigned struct_floppy_drive_params_sz;
1030 extern unsigned struct_floppy_drive_struct_sz;
1031 extern unsigned struct_floppy_fdc_state_sz;
1032 extern unsigned struct_floppy_max_errors_sz;
1033 extern unsigned struct_floppy_raw_cmd_sz;
1034 extern unsigned struct_floppy_struct_sz;
1035 extern unsigned struct_floppy_write_errors_sz;
1036 extern unsigned struct_format_descr_sz;
1037 extern unsigned struct_hd_driveid_sz;
1038 extern unsigned struct_hd_geometry_sz;
1039 extern unsigned struct_input_absinfo_sz;
1040 extern unsigned struct_input_id_sz;
1041 extern unsigned struct_mtpos_sz;
1042 extern unsigned struct_termio_sz;
1043 extern unsigned struct_vt_consize_sz;
1044 extern unsigned struct_vt_sizes_sz;
1045 extern unsigned struct_vt_stat_sz;
1046 #endif  // SANITIZER_LINUX
1047
1048 #if SANITIZER_LINUX
1049 extern unsigned struct_copr_buffer_sz;
1050 extern unsigned struct_copr_debug_buf_sz;
1051 extern unsigned struct_copr_msg_sz;
1052 extern unsigned struct_midi_info_sz;
1053 extern unsigned struct_mtget_sz;
1054 extern unsigned struct_mtop_sz;
1055 extern unsigned struct_rtentry_sz;
1056 extern unsigned struct_sbi_instrument_sz;
1057 extern unsigned struct_seq_event_rec_sz;
1058 extern unsigned struct_synth_info_sz;
1059 extern unsigned struct_vt_mode_sz;
1060 #endif // SANITIZER_LINUX
1061
1062 #if SANITIZER_LINUX && !SANITIZER_ANDROID
1063 extern unsigned struct_ax25_parms_struct_sz;
1064 extern unsigned struct_input_keymap_entry_sz;
1065 extern unsigned struct_ipx_config_data_sz;
1066 extern unsigned struct_kbdiacrs_sz;
1067 extern unsigned struct_kbentry_sz;
1068 extern unsigned struct_kbkeycode_sz;
1069 extern unsigned struct_kbsentry_sz;
1070 extern unsigned struct_mtconfiginfo_sz;
1071 extern unsigned struct_nr_parms_struct_sz;
1072 extern unsigned struct_scc_modem_sz;
1073 extern unsigned struct_scc_stat_sz;
1074 extern unsigned struct_serial_multiport_struct_sz;
1075 extern unsigned struct_serial_struct_sz;
1076 extern unsigned struct_sockaddr_ax25_sz;
1077 extern unsigned struct_unimapdesc_sz;
1078 extern unsigned struct_unimapinit_sz;
1079 extern unsigned struct_sock_fprog_sz;
1080 #  endif  // SANITIZER_LINUX && !SANITIZER_ANDROID
1081
1082 extern const unsigned long __sanitizer_bufsiz;
1083
1084 #if SANITIZER_LINUX && !SANITIZER_ANDROID
1085 extern unsigned struct_audio_buf_info_sz;
1086 extern unsigned struct_ppp_stats_sz;
1087 #endif  // (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
1088
1089 #if !SANITIZER_ANDROID && !SANITIZER_APPLE
1090 extern unsigned struct_sioc_sg_req_sz;
1091 extern unsigned struct_sioc_vif_req_sz;
1092 #endif
1093
1094 // ioctl request identifiers
1095
1096 // A special value to mark ioctls that are not present on the target platform,
1097 // when it can not be determined without including any system headers.
1098 extern const unsigned IOCTL_NOT_PRESENT;
1099
1100 extern unsigned IOCTL_FIOASYNC;
1101 extern unsigned IOCTL_FIOCLEX;
1102 extern unsigned IOCTL_FIOGETOWN;
1103 extern unsigned IOCTL_FIONBIO;
1104 extern unsigned IOCTL_FIONCLEX;
1105 extern unsigned IOCTL_FIOSETOWN;
1106 extern unsigned IOCTL_SIOCADDMULTI;
1107 extern unsigned IOCTL_SIOCATMARK;
1108 extern unsigned IOCTL_SIOCDELMULTI;
1109 extern unsigned IOCTL_SIOCGIFADDR;
1110 extern unsigned IOCTL_SIOCGIFBRDADDR;
1111 extern unsigned IOCTL_SIOCGIFCONF;
1112 extern unsigned IOCTL_SIOCGIFDSTADDR;
1113 extern unsigned IOCTL_SIOCGIFFLAGS;
1114 extern unsigned IOCTL_SIOCGIFMETRIC;
1115 extern unsigned IOCTL_SIOCGIFMTU;
1116 extern unsigned IOCTL_SIOCGIFNETMASK;
1117 extern unsigned IOCTL_SIOCGPGRP;
1118 extern unsigned IOCTL_SIOCSIFADDR;
1119 extern unsigned IOCTL_SIOCSIFBRDADDR;
1120 extern unsigned IOCTL_SIOCSIFDSTADDR;
1121 extern unsigned IOCTL_SIOCSIFFLAGS;
1122 extern unsigned IOCTL_SIOCSIFMETRIC;
1123 extern unsigned IOCTL_SIOCSIFMTU;
1124 extern unsigned IOCTL_SIOCSIFNETMASK;
1125 extern unsigned IOCTL_SIOCSPGRP;
1126 extern unsigned IOCTL_TIOCCONS;
1127 extern unsigned IOCTL_TIOCEXCL;
1128 extern unsigned IOCTL_TIOCGETD;
1129 extern unsigned IOCTL_TIOCGPGRP;
1130 extern unsigned IOCTL_TIOCGWINSZ;
1131 extern unsigned IOCTL_TIOCMBIC;
1132 extern unsigned IOCTL_TIOCMBIS;
1133 extern unsigned IOCTL_TIOCMGET;
1134 extern unsigned IOCTL_TIOCMSET;
1135 extern unsigned IOCTL_TIOCNOTTY;
1136 extern unsigned IOCTL_TIOCNXCL;
1137 extern unsigned IOCTL_TIOCOUTQ;
1138 extern unsigned IOCTL_TIOCPKT;
1139 extern unsigned IOCTL_TIOCSCTTY;
1140 extern unsigned IOCTL_TIOCSETD;
1141 extern unsigned IOCTL_TIOCSPGRP;
1142 extern unsigned IOCTL_TIOCSTI;
1143 extern unsigned IOCTL_TIOCSWINSZ;
1144 #if SANITIZER_LINUX && !SANITIZER_ANDROID
1145 extern unsigned IOCTL_SIOCGETSGCNT;
1146 extern unsigned IOCTL_SIOCGETVIFCNT;
1147 #endif
1148 #if SANITIZER_LINUX
1149 extern unsigned IOCTL_EVIOCGABS;
1150 extern unsigned IOCTL_EVIOCGBIT;
1151 extern unsigned IOCTL_EVIOCGEFFECTS;
1152 extern unsigned IOCTL_EVIOCGID;
1153 extern unsigned IOCTL_EVIOCGKEY;
1154 extern unsigned IOCTL_EVIOCGKEYCODE;
1155 extern unsigned IOCTL_EVIOCGLED;
1156 extern unsigned IOCTL_EVIOCGNAME;
1157 extern unsigned IOCTL_EVIOCGPHYS;
1158 extern unsigned IOCTL_EVIOCGRAB;
1159 extern unsigned IOCTL_EVIOCGREP;
1160 extern unsigned IOCTL_EVIOCGSND;
1161 extern unsigned IOCTL_EVIOCGSW;
1162 extern unsigned IOCTL_EVIOCGUNIQ;
1163 extern unsigned IOCTL_EVIOCGVERSION;
1164 extern unsigned IOCTL_EVIOCRMFF;
1165 extern unsigned IOCTL_EVIOCSABS;
1166 extern unsigned IOCTL_EVIOCSFF;
1167 extern unsigned IOCTL_EVIOCSKEYCODE;
1168 extern unsigned IOCTL_EVIOCSREP;
1169 extern unsigned IOCTL_BLKFLSBUF;
1170 extern unsigned IOCTL_BLKGETSIZE;
1171 extern unsigned IOCTL_BLKRAGET;
1172 extern unsigned IOCTL_BLKRASET;
1173 extern unsigned IOCTL_BLKROGET;
1174 extern unsigned IOCTL_BLKROSET;
1175 extern unsigned IOCTL_BLKRRPART;
1176 extern unsigned IOCTL_BLKFRASET;
1177 extern unsigned IOCTL_BLKFRAGET;
1178 extern unsigned IOCTL_BLKSECTSET;
1179 extern unsigned IOCTL_BLKSECTGET;
1180 extern unsigned IOCTL_BLKSSZGET;
1181 extern unsigned IOCTL_BLKBSZGET;
1182 extern unsigned IOCTL_BLKBSZSET;
1183 extern unsigned IOCTL_BLKGETSIZE64;
1184 extern unsigned IOCTL_CDROMAUDIOBUFSIZ;
1185 extern unsigned IOCTL_CDROMEJECT;
1186 extern unsigned IOCTL_CDROMEJECT_SW;
1187 extern unsigned IOCTL_CDROMMULTISESSION;
1188 extern unsigned IOCTL_CDROMPAUSE;
1189 extern unsigned IOCTL_CDROMPLAYMSF;
1190 extern unsigned IOCTL_CDROMPLAYTRKIND;
1191 extern unsigned IOCTL_CDROMREADAUDIO;
1192 extern unsigned IOCTL_CDROMREADCOOKED;
1193 extern unsigned IOCTL_CDROMREADMODE1;
1194 extern unsigned IOCTL_CDROMREADMODE2;
1195 extern unsigned IOCTL_CDROMREADRAW;
1196 extern unsigned IOCTL_CDROMREADTOCENTRY;
1197 extern unsigned IOCTL_CDROMREADTOCHDR;
1198 extern unsigned IOCTL_CDROMRESET;
1199 extern unsigned IOCTL_CDROMRESUME;
1200 extern unsigned IOCTL_CDROMSEEK;
1201 extern unsigned IOCTL_CDROMSTART;
1202 extern unsigned IOCTL_CDROMSTOP;
1203 extern unsigned IOCTL_CDROMSUBCHNL;
1204 extern unsigned IOCTL_CDROMVOLCTRL;
1205 extern unsigned IOCTL_CDROMVOLREAD;
1206 extern unsigned IOCTL_CDROM_GET_UPC;
1207 extern unsigned IOCTL_FDCLRPRM;
1208 extern unsigned IOCTL_FDDEFPRM;
1209 extern unsigned IOCTL_FDFLUSH;
1210 extern unsigned IOCTL_FDFMTBEG;
1211 extern unsigned IOCTL_FDFMTEND;
1212 extern unsigned IOCTL_FDFMTTRK;
1213 extern unsigned IOCTL_FDGETDRVPRM;
1214 extern unsigned IOCTL_FDGETDRVSTAT;
1215 extern unsigned IOCTL_FDGETDRVTYP;
1216 extern unsigned IOCTL_FDGETFDCSTAT;
1217 extern unsigned IOCTL_FDGETMAXERRS;
1218 extern unsigned IOCTL_FDGETPRM;
1219 extern unsigned IOCTL_FDMSGOFF;
1220 extern unsigned IOCTL_FDMSGON;
1221 extern unsigned IOCTL_FDPOLLDRVSTAT;
1222 extern unsigned IOCTL_FDRAWCMD;
1223 extern unsigned IOCTL_FDRESET;
1224 extern unsigned IOCTL_FDSETDRVPRM;
1225 extern unsigned IOCTL_FDSETEMSGTRESH;
1226 extern unsigned IOCTL_FDSETMAXERRS;
1227 extern unsigned IOCTL_FDSETPRM;
1228 extern unsigned IOCTL_FDTWADDLE;
1229 extern unsigned IOCTL_FDWERRORCLR;
1230 extern unsigned IOCTL_FDWERRORGET;
1231 extern unsigned IOCTL_HDIO_DRIVE_CMD;
1232 extern unsigned IOCTL_HDIO_GETGEO;
1233 extern unsigned IOCTL_HDIO_GET_32BIT;
1234 extern unsigned IOCTL_HDIO_GET_DMA;
1235 extern unsigned IOCTL_HDIO_GET_IDENTITY;
1236 extern unsigned IOCTL_HDIO_GET_KEEPSETTINGS;
1237 extern unsigned IOCTL_HDIO_GET_MULTCOUNT;
1238 extern unsigned IOCTL_HDIO_GET_NOWERR;
1239 extern unsigned IOCTL_HDIO_GET_UNMASKINTR;
1240 extern unsigned IOCTL_HDIO_SET_32BIT;
1241 extern unsigned IOCTL_HDIO_SET_DMA;
1242 extern unsigned IOCTL_HDIO_SET_KEEPSETTINGS;
1243 extern unsigned IOCTL_HDIO_SET_MULTCOUNT;
1244 extern unsigned IOCTL_HDIO_SET_NOWERR;
1245 extern unsigned IOCTL_HDIO_SET_UNMASKINTR;
1246 extern unsigned IOCTL_MTIOCPOS;
1247 extern unsigned IOCTL_PPPIOCGASYNCMAP;
1248 extern unsigned IOCTL_PPPIOCGDEBUG;
1249 extern unsigned IOCTL_PPPIOCGFLAGS;
1250 extern unsigned IOCTL_PPPIOCGUNIT;
1251 extern unsigned IOCTL_PPPIOCGXASYNCMAP;
1252 extern unsigned IOCTL_PPPIOCSASYNCMAP;
1253 extern unsigned IOCTL_PPPIOCSDEBUG;
1254 extern unsigned IOCTL_PPPIOCSFLAGS;
1255 extern unsigned IOCTL_PPPIOCSMAXCID;
1256 extern unsigned IOCTL_PPPIOCSMRU;
1257 extern unsigned IOCTL_PPPIOCSXASYNCMAP;
1258 extern unsigned IOCTL_SIOCDARP;
1259 extern unsigned IOCTL_SIOCDRARP;
1260 extern unsigned IOCTL_SIOCGARP;
1261 extern unsigned IOCTL_SIOCGIFENCAP;
1262 extern unsigned IOCTL_SIOCGIFHWADDR;
1263 extern unsigned IOCTL_SIOCGIFMAP;
1264 extern unsigned IOCTL_SIOCGIFMEM;
1265 extern unsigned IOCTL_SIOCGIFNAME;
1266 extern unsigned IOCTL_SIOCGIFSLAVE;
1267 extern unsigned IOCTL_SIOCGRARP;
1268 extern unsigned IOCTL_SIOCGSTAMP;
1269 extern unsigned IOCTL_SIOCSARP;
1270 extern unsigned IOCTL_SIOCSIFENCAP;
1271 extern unsigned IOCTL_SIOCSIFHWADDR;
1272 extern unsigned IOCTL_SIOCSIFLINK;
1273 extern unsigned IOCTL_SIOCSIFMAP;
1274 extern unsigned IOCTL_SIOCSIFMEM;
1275 extern unsigned IOCTL_SIOCSIFSLAVE;
1276 extern unsigned IOCTL_SIOCSRARP;
1277 extern unsigned IOCTL_SNDCTL_COPR_HALT;
1278 extern unsigned IOCTL_SNDCTL_COPR_LOAD;
1279 extern unsigned IOCTL_SNDCTL_COPR_RCODE;
1280 extern unsigned IOCTL_SNDCTL_COPR_RCVMSG;
1281 extern unsigned IOCTL_SNDCTL_COPR_RDATA;
1282 extern unsigned IOCTL_SNDCTL_COPR_RESET;
1283 extern unsigned IOCTL_SNDCTL_COPR_RUN;
1284 extern unsigned IOCTL_SNDCTL_COPR_SENDMSG;
1285 extern unsigned IOCTL_SNDCTL_COPR_WCODE;
1286 extern unsigned IOCTL_SNDCTL_COPR_WDATA;
1287 extern unsigned IOCTL_TCFLSH;
1288 extern unsigned IOCTL_TCGETA;
1289 extern unsigned IOCTL_TCGETS;
1290 extern unsigned IOCTL_TCSBRK;
1291 extern unsigned IOCTL_TCSBRKP;
1292 extern unsigned IOCTL_TCSETA;
1293 extern unsigned IOCTL_TCSETAF;
1294 extern unsigned IOCTL_TCSETAW;
1295 extern unsigned IOCTL_TCSETS;
1296 extern unsigned IOCTL_TCSETSF;
1297 extern unsigned IOCTL_TCSETSW;
1298 extern unsigned IOCTL_TCXONC;
1299 extern unsigned IOCTL_TIOCGLCKTRMIOS;
1300 extern unsigned IOCTL_TIOCGSOFTCAR;
1301 extern unsigned IOCTL_TIOCINQ;
1302 extern unsigned IOCTL_TIOCLINUX;
1303 extern unsigned IOCTL_TIOCSERCONFIG;
1304 extern unsigned IOCTL_TIOCSERGETLSR;
1305 extern unsigned IOCTL_TIOCSERGWILD;
1306 extern unsigned IOCTL_TIOCSERSWILD;
1307 extern unsigned IOCTL_TIOCSLCKTRMIOS;
1308 extern unsigned IOCTL_TIOCSSOFTCAR;
1309 extern unsigned IOCTL_VT_DISALLOCATE;
1310 extern unsigned IOCTL_VT_GETSTATE;
1311 extern unsigned IOCTL_VT_RESIZE;
1312 extern unsigned IOCTL_VT_RESIZEX;
1313 extern unsigned IOCTL_VT_SENDSIG;
1314 extern unsigned IOCTL_MTIOCGET;
1315 extern unsigned IOCTL_MTIOCTOP;
1316 extern unsigned IOCTL_SIOCADDRT;
1317 extern unsigned IOCTL_SIOCDELRT;
1318 extern unsigned IOCTL_SNDCTL_DSP_GETBLKSIZE;
1319 extern unsigned IOCTL_SNDCTL_DSP_GETFMTS;
1320 extern unsigned IOCTL_SNDCTL_DSP_NONBLOCK;
1321 extern unsigned IOCTL_SNDCTL_DSP_POST;
1322 extern unsigned IOCTL_SNDCTL_DSP_RESET;
1323 extern unsigned IOCTL_SNDCTL_DSP_SETFMT;
1324 extern unsigned IOCTL_SNDCTL_DSP_SETFRAGMENT;
1325 extern unsigned IOCTL_SNDCTL_DSP_SPEED;
1326 extern unsigned IOCTL_SNDCTL_DSP_STEREO;
1327 extern unsigned IOCTL_SNDCTL_DSP_SUBDIVIDE;
1328 extern unsigned IOCTL_SNDCTL_DSP_SYNC;
1329 extern unsigned IOCTL_SNDCTL_FM_4OP_ENABLE;
1330 extern unsigned IOCTL_SNDCTL_FM_LOAD_INSTR;
1331 extern unsigned IOCTL_SNDCTL_MIDI_INFO;
1332 extern unsigned IOCTL_SNDCTL_MIDI_PRETIME;
1333 extern unsigned IOCTL_SNDCTL_SEQ_CTRLRATE;
1334 extern unsigned IOCTL_SNDCTL_SEQ_GETINCOUNT;
1335 extern unsigned IOCTL_SNDCTL_SEQ_GETOUTCOUNT;
1336 extern unsigned IOCTL_SNDCTL_SEQ_NRMIDIS;
1337 extern unsigned IOCTL_SNDCTL_SEQ_NRSYNTHS;
1338 extern unsigned IOCTL_SNDCTL_SEQ_OUTOFBAND;
1339 extern unsigned IOCTL_SNDCTL_SEQ_PANIC;
1340 extern unsigned IOCTL_SNDCTL_SEQ_PERCMODE;
1341 extern unsigned IOCTL_SNDCTL_SEQ_RESET;
1342 extern unsigned IOCTL_SNDCTL_SEQ_RESETSAMPLES;
1343 extern unsigned IOCTL_SNDCTL_SEQ_SYNC;
1344 extern unsigned IOCTL_SNDCTL_SEQ_TESTMIDI;
1345 extern unsigned IOCTL_SNDCTL_SEQ_THRESHOLD;
1346 extern unsigned IOCTL_SNDCTL_SYNTH_INFO;
1347 extern unsigned IOCTL_SNDCTL_SYNTH_MEMAVL;
1348 extern unsigned IOCTL_SNDCTL_TMR_CONTINUE;
1349 extern unsigned IOCTL_SNDCTL_TMR_METRONOME;
1350 extern unsigned IOCTL_SNDCTL_TMR_SELECT;
1351 extern unsigned IOCTL_SNDCTL_TMR_SOURCE;
1352 extern unsigned IOCTL_SNDCTL_TMR_START;
1353 extern unsigned IOCTL_SNDCTL_TMR_STOP;
1354 extern unsigned IOCTL_SNDCTL_TMR_TEMPO;
1355 extern unsigned IOCTL_SNDCTL_TMR_TIMEBASE;
1356 extern unsigned IOCTL_SOUND_MIXER_READ_ALTPCM;
1357 extern unsigned IOCTL_SOUND_MIXER_READ_BASS;
1358 extern unsigned IOCTL_SOUND_MIXER_READ_CAPS;
1359 extern unsigned IOCTL_SOUND_MIXER_READ_CD;
1360 extern unsigned IOCTL_SOUND_MIXER_READ_DEVMASK;
1361 extern unsigned IOCTL_SOUND_MIXER_READ_ENHANCE;
1362 extern unsigned IOCTL_SOUND_MIXER_READ_IGAIN;
1363 extern unsigned IOCTL_SOUND_MIXER_READ_IMIX;
1364 extern unsigned IOCTL_SOUND_MIXER_READ_LINE1;
1365 extern unsigned IOCTL_SOUND_MIXER_READ_LINE2;
1366 extern unsigned IOCTL_SOUND_MIXER_READ_LINE3;
1367 extern unsigned IOCTL_SOUND_MIXER_READ_LINE;
1368 extern unsigned IOCTL_SOUND_MIXER_READ_LOUD;
1369 extern unsigned IOCTL_SOUND_MIXER_READ_MIC;
1370 extern unsigned IOCTL_SOUND_MIXER_READ_MUTE;
1371 extern unsigned IOCTL_SOUND_MIXER_READ_OGAIN;
1372 extern unsigned IOCTL_SOUND_MIXER_READ_PCM;
1373 extern unsigned IOCTL_SOUND_MIXER_READ_RECLEV;
1374 extern unsigned IOCTL_SOUND_MIXER_READ_RECMASK;
1375 extern unsigned IOCTL_SOUND_MIXER_READ_RECSRC;
1376 extern unsigned IOCTL_SOUND_MIXER_READ_SPEAKER;
1377 extern unsigned IOCTL_SOUND_MIXER_READ_STEREODEVS;
1378 extern unsigned IOCTL_SOUND_MIXER_READ_SYNTH;
1379 extern unsigned IOCTL_SOUND_MIXER_READ_TREBLE;
1380 extern unsigned IOCTL_SOUND_MIXER_READ_VOLUME;
1381 extern unsigned IOCTL_SOUND_MIXER_WRITE_ALTPCM;
1382 extern unsigned IOCTL_SOUND_MIXER_WRITE_BASS;
1383 extern unsigned IOCTL_SOUND_MIXER_WRITE_CD;
1384 extern unsigned IOCTL_SOUND_MIXER_WRITE_ENHANCE;
1385 extern unsigned IOCTL_SOUND_MIXER_WRITE_IGAIN;
1386 extern unsigned IOCTL_SOUND_MIXER_WRITE_IMIX;
1387 extern unsigned IOCTL_SOUND_MIXER_WRITE_LINE1;
1388 extern unsigned IOCTL_SOUND_MIXER_WRITE_LINE2;
1389 extern unsigned IOCTL_SOUND_MIXER_WRITE_LINE3;
1390 extern unsigned IOCTL_SOUND_MIXER_WRITE_LINE;
1391 extern unsigned IOCTL_SOUND_MIXER_WRITE_LOUD;
1392 extern unsigned IOCTL_SOUND_MIXER_WRITE_MIC;
1393 extern unsigned IOCTL_SOUND_MIXER_WRITE_MUTE;
1394 extern unsigned IOCTL_SOUND_MIXER_WRITE_OGAIN;
1395 extern unsigned IOCTL_SOUND_MIXER_WRITE_PCM;
1396 extern unsigned IOCTL_SOUND_MIXER_WRITE_RECLEV;
1397 extern unsigned IOCTL_SOUND_MIXER_WRITE_RECSRC;
1398 extern unsigned IOCTL_SOUND_MIXER_WRITE_SPEAKER;
1399 extern unsigned IOCTL_SOUND_MIXER_WRITE_SYNTH;
1400 extern unsigned IOCTL_SOUND_MIXER_WRITE_TREBLE;
1401 extern unsigned IOCTL_SOUND_MIXER_WRITE_VOLUME;
1402 extern unsigned IOCTL_SOUND_PCM_READ_BITS;
1403 extern unsigned IOCTL_SOUND_PCM_READ_CHANNELS;
1404 extern unsigned IOCTL_SOUND_PCM_READ_FILTER;
1405 extern unsigned IOCTL_SOUND_PCM_READ_RATE;
1406 extern unsigned IOCTL_SOUND_PCM_WRITE_CHANNELS;
1407 extern unsigned IOCTL_SOUND_PCM_WRITE_FILTER;
1408 extern unsigned IOCTL_VT_ACTIVATE;
1409 extern unsigned IOCTL_VT_GETMODE;
1410 extern unsigned IOCTL_VT_OPENQRY;
1411 extern unsigned IOCTL_VT_RELDISP;
1412 extern unsigned IOCTL_VT_SETMODE;
1413 extern unsigned IOCTL_VT_WAITACTIVE;
1414 #endif  // SANITIZER_LINUX
1415
1416 #if SANITIZER_LINUX && !SANITIZER_ANDROID
1417 extern unsigned IOCTL_EQL_EMANCIPATE;
1418 extern unsigned IOCTL_EQL_ENSLAVE;
1419 extern unsigned IOCTL_EQL_GETMASTRCFG;
1420 extern unsigned IOCTL_EQL_GETSLAVECFG;
1421 extern unsigned IOCTL_EQL_SETMASTRCFG;
1422 extern unsigned IOCTL_EQL_SETSLAVECFG;
1423 extern unsigned IOCTL_EVIOCGKEYCODE_V2;
1424 extern unsigned IOCTL_EVIOCGPROP;
1425 extern unsigned IOCTL_EVIOCSKEYCODE_V2;
1426 extern unsigned IOCTL_FS_IOC_GETFLAGS;
1427 extern unsigned IOCTL_FS_IOC_GETVERSION;
1428 extern unsigned IOCTL_FS_IOC_SETFLAGS;
1429 extern unsigned IOCTL_FS_IOC_SETVERSION;
1430 extern unsigned IOCTL_GIO_CMAP;
1431 extern unsigned IOCTL_GIO_FONT;
1432 extern unsigned IOCTL_GIO_UNIMAP;
1433 extern unsigned IOCTL_GIO_UNISCRNMAP;
1434 extern unsigned IOCTL_KDADDIO;
1435 extern unsigned IOCTL_KDDELIO;
1436 extern unsigned IOCTL_KDGETKEYCODE;
1437 extern unsigned IOCTL_KDGKBDIACR;
1438 extern unsigned IOCTL_KDGKBENT;
1439 extern unsigned IOCTL_KDGKBLED;
1440 extern unsigned IOCTL_KDGKBMETA;
1441 extern unsigned IOCTL_KDGKBSENT;
1442 extern unsigned IOCTL_KDMAPDISP;
1443 extern unsigned IOCTL_KDSETKEYCODE;
1444 extern unsigned IOCTL_KDSIGACCEPT;
1445 extern unsigned IOCTL_KDSKBDIACR;
1446 extern unsigned IOCTL_KDSKBENT;
1447 extern unsigned IOCTL_KDSKBLED;
1448 extern unsigned IOCTL_KDSKBMETA;
1449 extern unsigned IOCTL_KDSKBSENT;
1450 extern unsigned IOCTL_KDUNMAPDISP;
1451 extern unsigned IOCTL_LPABORT;
1452 extern unsigned IOCTL_LPABORTOPEN;
1453 extern unsigned IOCTL_LPCAREFUL;
1454 extern unsigned IOCTL_LPCHAR;
1455 extern unsigned IOCTL_LPGETIRQ;
1456 extern unsigned IOCTL_LPGETSTATUS;
1457 extern unsigned IOCTL_LPRESET;
1458 extern unsigned IOCTL_LPSETIRQ;
1459 extern unsigned IOCTL_LPTIME;
1460 extern unsigned IOCTL_LPWAIT;
1461 extern unsigned IOCTL_MTIOCGETCONFIG;
1462 extern unsigned IOCTL_MTIOCSETCONFIG;
1463 extern unsigned IOCTL_PIO_CMAP;
1464 extern unsigned IOCTL_PIO_FONT;
1465 extern unsigned IOCTL_PIO_UNIMAP;
1466 extern unsigned IOCTL_PIO_UNIMAPCLR;
1467 extern unsigned IOCTL_PIO_UNISCRNMAP;
1468 extern unsigned IOCTL_SCSI_IOCTL_GET_IDLUN;
1469 extern unsigned IOCTL_SCSI_IOCTL_PROBE_HOST;
1470 extern unsigned IOCTL_SCSI_IOCTL_TAGGED_DISABLE;
1471 extern unsigned IOCTL_SCSI_IOCTL_TAGGED_ENABLE;
1472 extern unsigned IOCTL_SIOCAIPXITFCRT;
1473 extern unsigned IOCTL_SIOCAIPXPRISLT;
1474 extern unsigned IOCTL_SIOCAX25ADDUID;
1475 extern unsigned IOCTL_SIOCAX25DELUID;
1476 extern unsigned IOCTL_SIOCAX25GETPARMS;
1477 extern unsigned IOCTL_SIOCAX25GETUID;
1478 extern unsigned IOCTL_SIOCAX25NOUID;
1479 extern unsigned IOCTL_SIOCAX25SETPARMS;
1480 extern unsigned IOCTL_SIOCDEVPLIP;
1481 extern unsigned IOCTL_SIOCIPXCFGDATA;
1482 extern unsigned IOCTL_SIOCNRDECOBS;
1483 extern unsigned IOCTL_SIOCNRGETPARMS;
1484 extern unsigned IOCTL_SIOCNRRTCTL;
1485 extern unsigned IOCTL_SIOCNRSETPARMS;
1486 extern unsigned IOCTL_SNDCTL_DSP_GETISPACE;
1487 extern unsigned IOCTL_SNDCTL_DSP_GETOSPACE;
1488 extern unsigned IOCTL_TIOCGSERIAL;
1489 extern unsigned IOCTL_TIOCSERGETMULTI;
1490 extern unsigned IOCTL_TIOCSERSETMULTI;
1491 extern unsigned IOCTL_TIOCSSERIAL;
1492 extern unsigned IOCTL_GIO_SCRNMAP;
1493 extern unsigned IOCTL_KDDISABIO;
1494 extern unsigned IOCTL_KDENABIO;
1495 extern unsigned IOCTL_KDGETLED;
1496 extern unsigned IOCTL_KDGETMODE;
1497 extern unsigned IOCTL_KDGKBMODE;
1498 extern unsigned IOCTL_KDGKBTYPE;
1499 extern unsigned IOCTL_KDMKTONE;
1500 extern unsigned IOCTL_KDSETLED;
1501 extern unsigned IOCTL_KDSETMODE;
1502 extern unsigned IOCTL_KDSKBMODE;
1503 extern unsigned IOCTL_KIOCSOUND;
1504 extern unsigned IOCTL_PIO_SCRNMAP;
1505 #endif
1506
1507 extern const int si_SEGV_MAPERR;
1508 extern const int si_SEGV_ACCERR;
1509 }  // namespace __sanitizer
1510
1511 #define CHECK_TYPE_SIZE(TYPE) \
1512   COMPILER_CHECK(sizeof(__sanitizer_##TYPE) == sizeof(TYPE))
1513
1514 #define CHECK_SIZE_AND_OFFSET(CLASS, MEMBER)                      \
1515   COMPILER_CHECK(sizeof(((__sanitizer_##CLASS *)NULL)->MEMBER) == \
1516                  sizeof(((CLASS *)NULL)->MEMBER));                \
1517   COMPILER_CHECK(offsetof(__sanitizer_##CLASS, MEMBER) ==         \
1518                  offsetof(CLASS, MEMBER))
1519
1520 // For sigaction, which is a function and struct at the same time,
1521 // and thus requires explicit "struct" in sizeof() expression.
1522 #define CHECK_STRUCT_SIZE_AND_OFFSET(CLASS, MEMBER)                      \
1523   COMPILER_CHECK(sizeof(((struct __sanitizer_##CLASS *)NULL)->MEMBER) == \
1524                  sizeof(((struct CLASS *)NULL)->MEMBER));                \
1525   COMPILER_CHECK(offsetof(struct __sanitizer_##CLASS, MEMBER) ==         \
1526                  offsetof(struct CLASS, MEMBER))
1527
1528 #define SIGACTION_SYMNAME sigaction
1529
1530 #  if SANITIZER_LINUX
1531 typedef void *__sanitizer_timer_t;
1532 #  endif
1533
1534 #endif  // SANITIZER_LINUX || SANITIZER_APPLE
1535
1536 #endif