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