libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h

   1 //===-- sanitizer_platform_limits_posix.h ---------------------------------===//
   2 //
   3 // This file is distributed under the University of Illinois Open Source
   4 // License. See LICENSE.TXT for details.
   5 //
   6 //===----------------------------------------------------------------------===//
   7 //
   8 // This file is a part of Sanitizer common code.
   9 //
  10 // Sizes and layouts of platform-specific POSIX data structures.
  11 //===----------------------------------------------------------------------===//
  12
  13 #ifndef SANITIZER_PLATFORM_LIMITS_POSIX_H
  14 #define SANITIZER_PLATFORM_LIMITS_POSIX_H
  15
  16 #include "sanitizer_internal_defs.h"
  17 #include "sanitizer_platform.h"
  18
  19 namespace __sanitizer {
  20   extern unsigned struct_utsname_sz;
  21   extern unsigned struct_stat_sz;
  22 #if !SANITIZER_FREEBSD && !SANITIZER_IOS
  23   extern unsigned struct_stat64_sz;
  24 #endif
  25   extern unsigned struct_rusage_sz;
  26   extern unsigned siginfo_t_sz;
  27   extern unsigned struct_itimerval_sz;
  28   extern unsigned pthread_t_sz;
  29   extern unsigned pthread_cond_t_sz;
  30   extern unsigned pid_t_sz;
  31   extern unsigned timeval_sz;
  32   extern unsigned uid_t_sz;
  33   extern unsigned gid_t_sz;
  34   extern unsigned mbstate_t_sz;
  35   extern unsigned struct_timezone_sz;
  36   extern unsigned struct_tms_sz;
  37   extern unsigned struct_itimerspec_sz;
  38   extern unsigned struct_sigevent_sz;
  39   extern unsigned struct_sched_param_sz;
  40   extern unsigned struct_statfs_sz;
  41   extern unsigned struct_statfs64_sz;
  42   extern unsigned struct_sockaddr_sz;
  43
  44 #if !SANITIZER_ANDROID
  45   extern unsigned ucontext_t_sz;
  46 #endif // !SANITIZER_ANDROID
  47
  48 #if SANITIZER_LINUX
  49
  50 #if defined(__x86_64__)
  51   const unsigned struct_kernel_stat_sz = 144;
  52   const unsigned struct_kernel_stat64_sz = 0;
  53 #elif defined(__i386__)
  54   const unsigned struct_kernel_stat_sz = 64;
  55   const unsigned struct_kernel_stat64_sz = 96;
  56 #elif defined(__arm__)
  57   const unsigned struct_kernel_stat_sz = 64;
  58   const unsigned struct_kernel_stat64_sz = 104;
  59 #elif defined(__aarch64__)
  60   const unsigned struct_kernel_stat_sz = 128;
  61   const unsigned struct_kernel_stat64_sz = 104;
  62 #elif defined(__powerpc__) && !defined(__powerpc64__)
  63   const unsigned struct_kernel_stat_sz = 72;
  64   const unsigned struct_kernel_stat64_sz = 104;
  65 #elif defined(__powerpc64__)
  66   const unsigned struct_kernel_stat_sz = 144;
  67   const unsigned struct_kernel_stat64_sz = 104;
  68 #endif
  69   struct __sanitizer_perf_event_attr {
  70     unsigned type;
  71     unsigned size;
  72     // More fields that vary with the kernel version.
  73   };
  74
  75   extern unsigned struct_epoll_event_sz;
  76   extern unsigned struct_sysinfo_sz;
  77   extern unsigned __user_cap_header_struct_sz;
  78   extern unsigned __user_cap_data_struct_sz;
  79   extern unsigned struct_new_utsname_sz;
  80   extern unsigned struct_old_utsname_sz;
  81   extern unsigned struct_oldold_utsname_sz;
  82
  83   const unsigned struct_kexec_segment_sz = 4 * sizeof(unsigned long);
  84 #endif  // SANITIZER_LINUX
  85
  86 #if SANITIZER_LINUX || SANITIZER_FREEBSD
  87
  88 #if defined(__powerpc64__)
  89   const unsigned struct___old_kernel_stat_sz = 0;
  90 #else
  91   const unsigned struct___old_kernel_stat_sz = 32;
  92 #endif
  93
  94   extern unsigned struct_rlimit_sz;
  95   extern unsigned struct_utimbuf_sz;
  96   extern unsigned struct_timespec_sz;
  97
  98   struct __sanitizer_iocb {
  99     u64   aio_data;
 100     u32   aio_key_or_aio_reserved1; // Simply crazy.
 101     u32   aio_reserved1_or_aio_key; // Luckily, we don't need these.
 102     u16   aio_lio_opcode;
 103     s16   aio_reqprio;
 104     u32   aio_fildes;
 105     u64   aio_buf;
 106     u64   aio_nbytes;
 107     s64   aio_offset;
 108     u64   aio_reserved2;
 109     u64   aio_reserved3;
 110   };
 111
 112   struct __sanitizer_io_event {
 113     u64 data;
 114     u64 obj;
 115     u64 res;
 116     u64 res2;
 117   };
 118
 119   const unsigned iocb_cmd_pread = 0;
 120   const unsigned iocb_cmd_pwrite = 1;
 121   const unsigned iocb_cmd_preadv = 7;
 122   const unsigned iocb_cmd_pwritev = 8;
 123
 124   struct __sanitizer___sysctl_args {
 125     int *name;
 126     int nlen;
 127     void *oldval;
 128     uptr *oldlenp;
 129     void *newval;
 130     uptr newlen;
 131     unsigned long ___unused[4];
 132   };
 133
 134   const unsigned old_sigset_t_sz = sizeof(unsigned long);
 135 #endif // SANITIZER_LINUX || SANITIZER_FREEBSD
 136
 137 #if SANITIZER_ANDROID
 138   struct __sanitizer_mallinfo {
 139     uptr v[10];
 140   };
 141 #endif
 142
 143 #if SANITIZER_LINUX && !SANITIZER_ANDROID
 144   struct __sanitizer_mallinfo {
 145     int v[10];
 146   };
 147
 148   extern unsigned struct_ustat_sz;
 149   extern unsigned struct_rlimit64_sz;
 150   extern unsigned struct_statvfs64_sz;
 151
 152   struct __sanitizer_ipc_perm {
 153     int __key;
 154     int uid;
 155     int gid;
 156     int cuid;
 157     int cgid;
 158 #ifdef __powerpc__
 159     unsigned mode;
 160     unsigned __seq;
 161     u64 __unused1;
 162     u64 __unused2;
 163 #else
 164     unsigned short mode;
 165     unsigned short __pad1;
 166     unsigned short __seq;
 167     unsigned short __pad2;
 168 #if defined(__x86_64__) && !defined(_LP64)
 169     u64 __unused1;
 170     u64 __unused2;
 171 #else
 172     unsigned long __unused1;
 173     unsigned long __unused2;
 174 #endif
 175 #endif
 176   };
 177
 178   struct __sanitizer_shmid_ds {
 179     __sanitizer_ipc_perm shm_perm;
 180   #ifndef __powerpc__
 181     uptr shm_segsz;
 182   #elif !defined(__powerpc64__)
 183     uptr __unused0;
 184   #endif
 185   #if defined(__x86_64__) && !defined(_LP64)
 186     u64 shm_atime;
 187     u64 shm_dtime;
 188     u64 shm_ctime;
 189   #else
 190     uptr shm_atime;
 191   #ifndef _LP64
 192     uptr __unused1;
 193   #endif
 194     uptr shm_dtime;
 195   #ifndef _LP64
 196     uptr __unused2;
 197   #endif
 198     uptr shm_ctime;
 199   #ifndef _LP64
 200     uptr __unused3;
 201   #endif
 202   #endif
 203   #ifdef __powerpc__
 204     uptr shm_segsz;
 205   #endif
 206     int shm_cpid;
 207     int shm_lpid;
 208   #if defined(__x86_64__) && !defined(_LP64)
 209     u64 shm_nattch;
 210     u64 __unused4;
 211     u64 __unused5;
 212   #else
 213     uptr shm_nattch;
 214     uptr __unused4;
 215     uptr __unused5;
 216   #endif
 217   };
 218 #elif SANITIZER_FREEBSD
 219   struct __sanitizer_ipc_perm {
 220     unsigned int cuid;
 221     unsigned int cgid;
 222     unsigned int uid;
 223     unsigned int gid;
 224     unsigned short mode;
 225     unsigned short seq;
 226     long key;
 227   };
 228
 229   struct __sanitizer_shmid_ds {
 230     __sanitizer_ipc_perm shm_perm;
 231     unsigned long shm_segsz;
 232     unsigned int shm_lpid;
 233     unsigned int shm_cpid;
 234     int shm_nattch;
 235     unsigned long shm_atime;
 236     unsigned long shm_dtime;
 237     unsigned long shm_ctime;
 238   };
 239 #endif
 240
 241 #if (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
 242   extern unsigned struct_msqid_ds_sz;
 243   extern unsigned struct_mq_attr_sz;
 244   extern unsigned struct_timex_sz;
 245   extern unsigned struct_statvfs_sz;
 246 #endif  // (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
 247
 248   struct __sanitizer_iovec {
 249     void *iov_base;
 250     uptr iov_len;
 251   };
 252
 253 #if !SANITIZER_ANDROID
 254   struct __sanitizer_ifaddrs {
 255     struct __sanitizer_ifaddrs *ifa_next;
 256     char *ifa_name;
 257     unsigned int ifa_flags;
 258     void *ifa_addr;    // (struct sockaddr *)
 259     void *ifa_netmask; // (struct sockaddr *)
 260     // This is a union on Linux.
 261 # ifdef ifa_dstaddr
 262 # undef ifa_dstaddr
 263 # endif
 264     void *ifa_dstaddr; // (struct sockaddr *)
 265     void *ifa_data;
 266   };
 267 #endif  // !SANITIZER_ANDROID
 268
 269 #if SANITIZER_MAC
 270   typedef unsigned long __sanitizer_pthread_key_t;
 271 #else
 272   typedef unsigned __sanitizer_pthread_key_t;
 273 #endif
 274
 275 #if SANITIZER_LINUX && !SANITIZER_ANDROID
 276
 277   struct __sanitizer_XDR {
 278     int x_op;
 279     void *x_ops;
 280     uptr x_public;
 281     uptr x_private;
 282     uptr x_base;
 283     unsigned x_handy;
 284   };
 285
 286   const int __sanitizer_XDR_ENCODE = 0;
 287   const int __sanitizer_XDR_DECODE = 1;
 288   const int __sanitizer_XDR_FREE = 2;
 289 #endif
 290
 291   struct __sanitizer_passwd {
 292     char *pw_name;
 293     char *pw_passwd;
 294     int pw_uid;
 295     int pw_gid;
 296 #if SANITIZER_MAC || SANITIZER_FREEBSD
 297     long pw_change;
 298     char *pw_class;
 299 #endif
 300 #if !SANITIZER_ANDROID
 301     char *pw_gecos;
 302 #endif
 303     char *pw_dir;
 304     char *pw_shell;
 305 #if SANITIZER_MAC || SANITIZER_FREEBSD
 306     long pw_expire;
 307 #endif
 308 #if SANITIZER_FREEBSD
 309     int pw_fields;
 310 #endif
 311   };
 312
 313   struct __sanitizer_group {
 314     char *gr_name;
 315     char *gr_passwd;
 316     int gr_gid;
 317     char **gr_mem;
 318   };
 319
 320 #if defined(__x86_64__) && !defined(_LP64)
 321   typedef long long __sanitizer_time_t;
 322 #else
 323   typedef long __sanitizer_time_t;
 324 #endif
 325
 326   struct __sanitizer_timeb {
 327     __sanitizer_time_t time;
 328     unsigned short millitm;
 329     short timezone;
 330     short dstflag;
 331   };
 332
 333   struct __sanitizer_ether_addr {
 334     u8 octet[6];
 335   };
 336
 337   struct __sanitizer_tm {
 338     int tm_sec;
 339     int tm_min;
 340     int tm_hour;
 341     int tm_mday;
 342     int tm_mon;
 343     int tm_year;
 344     int tm_wday;
 345     int tm_yday;
 346     int tm_isdst;
 347     long int tm_gmtoff;
 348     const char *tm_zone;
 349   };
 350
 351 #if SANITIZER_LINUX
 352   struct __sanitizer_mntent {
 353     char *mnt_fsname;
 354     char *mnt_dir;
 355     char *mnt_type;
 356     char *mnt_opts;
 357     int mnt_freq;
 358     int mnt_passno;
 359   };
 360 #endif
 361
 362 #if SANITIZER_ANDROID || SANITIZER_MAC || SANITIZER_FREEBSD
 363   struct __sanitizer_msghdr {
 364     void *msg_name;
 365     unsigned msg_namelen;
 366     struct __sanitizer_iovec *msg_iov;
 367     unsigned msg_iovlen;
 368     void *msg_control;
 369     unsigned msg_controllen;
 370     int msg_flags;
 371   };
 372   struct __sanitizer_cmsghdr {
 373     unsigned cmsg_len;
 374     int cmsg_level;
 375     int cmsg_type;
 376   };
 377 #else
 378   struct __sanitizer_msghdr {
 379     void *msg_name;
 380     unsigned msg_namelen;
 381     struct __sanitizer_iovec *msg_iov;
 382     uptr msg_iovlen;
 383     void *msg_control;
 384     uptr msg_controllen;
 385     int msg_flags;
 386   };
 387   struct __sanitizer_cmsghdr {
 388     uptr cmsg_len;
 389     int cmsg_level;
 390     int cmsg_type;
 391   };
 392 #endif
 393
 394 #if SANITIZER_MAC
 395   struct __sanitizer_dirent {
 396     unsigned long long d_ino;
 397     unsigned long long d_seekoff;
 398     unsigned short d_reclen;
 399     // more fields that we don't care about
 400   };
 401 #elif SANITIZER_FREEBSD
 402   struct __sanitizer_dirent {
 403     unsigned int d_fileno;
 404     unsigned short d_reclen;
 405     // more fields that we don't care about
 406   };
 407 #elif SANITIZER_ANDROID || defined(__x86_64__)
 408   struct __sanitizer_dirent {
 409     unsigned long long d_ino;
 410     unsigned long long d_off;
 411     unsigned short d_reclen;
 412     // more fields that we don't care about
 413   };
 414 #else
 415   struct __sanitizer_dirent {
 416     uptr d_ino;
 417     uptr d_off;
 418     unsigned short d_reclen;
 419     // more fields that we don't care about
 420   };
 421 #endif
 422
 423 #if SANITIZER_LINUX && !SANITIZER_ANDROID
 424   struct __sanitizer_dirent64 {
 425     unsigned long long d_ino;
 426     unsigned long long d_off;
 427     unsigned short d_reclen;
 428     // more fields that we don't care about
 429   };
 430 #endif
 431
 432 // 'clock_t' is 32 bits wide on x64 FreeBSD
 433 #if SANITIZER_FREEBSD
 434   typedef int __sanitizer_clock_t;
 435 #elif defined(__x86_64__) && !defined(_LP64)
 436   typedef long long __sanitizer_clock_t;
 437 #else
 438   typedef long __sanitizer_clock_t;
 439 #endif
 440
 441 #if SANITIZER_LINUX || SANITIZER_FREEBSD
 442 #if defined(_LP64) || defined(__x86_64__) || defined(__powerpc__)
 443   typedef unsigned __sanitizer___kernel_uid_t;
 444   typedef unsigned __sanitizer___kernel_gid_t;
 445 #else
 446   typedef unsigned short __sanitizer___kernel_uid_t;
 447   typedef unsigned short __sanitizer___kernel_gid_t;
 448 #endif
 449 #if defined(__x86_64__) && !defined(_LP64)
 450   typedef long long __sanitizer___kernel_off_t;
 451 #else
 452   typedef long __sanitizer___kernel_off_t;
 453 #endif
 454
 455 #if defined(__powerpc__) || defined(__aarch64__)
 456   typedef unsigned int __sanitizer___kernel_old_uid_t;
 457   typedef unsigned int __sanitizer___kernel_old_gid_t;
 458 #else
 459   typedef unsigned short __sanitizer___kernel_old_uid_t;
 460   typedef unsigned short __sanitizer___kernel_old_gid_t;
 461 #endif
 462
 463   typedef long long __sanitizer___kernel_loff_t;
 464   typedef struct {
 465     unsigned long fds_bits[1024 / (8 * sizeof(long))];
 466   } __sanitizer___kernel_fd_set;
 467 #endif
 468
 469   // This thing depends on the platform. We are only interested in the upper
 470   // limit. Verified with a compiler assert in .cc.
 471   const int pthread_attr_t_max_sz = 128;
 472   union __sanitizer_pthread_attr_t {
 473     char size[pthread_attr_t_max_sz]; // NOLINT
 474     void *align;
 475   };
 476
 477 #if SANITIZER_ANDROID
 478   typedef unsigned long __sanitizer_sigset_t;
 479 #elif SANITIZER_MAC
 480   typedef unsigned __sanitizer_sigset_t;
 481 #elif SANITIZER_LINUX
 482   struct __sanitizer_sigset_t {
 483     // The size is determined by looking at sizeof of real sigset_t on linux.
 484     uptr val[128 / sizeof(uptr)];
 485   };
 486 #elif SANITIZER_FREEBSD
 487   struct __sanitizer_sigset_t {
 488      // uint32_t * 4
 489      unsigned int __bits[4];
 490   };
 491 #endif
 492
 493   // Linux system headers define the 'sa_handler' and 'sa_sigaction' macros.
 494   struct __sanitizer_sigaction {
 495     union {
 496       void (*sigaction)(int sig, void *siginfo, void *uctx);
 497       void (*handler)(int sig);
 498     };
 499 #if SANITIZER_FREEBSD
 500     int sa_flags;
 501     __sanitizer_sigset_t sa_mask;
 502 #else
 503     __sanitizer_sigset_t sa_mask;
 504     int sa_flags;
 505 #endif
 506 #if SANITIZER_LINUX
 507     void (*sa_restorer)();
 508 #endif
 509   };
 510
 511 #if SANITIZER_FREEBSD
 512   typedef __sanitizer_sigset_t __sanitizer_kernel_sigset_t;
 513 #else
 514   struct __sanitizer_kernel_sigset_t {
 515     u8 sig[8];
 516   };
 517 #endif
 518
 519   // Linux system headers define the 'sa_handler' and 'sa_sigaction' macros.
 520   struct __sanitizer_kernel_sigaction_t {
 521     union {
 522       void (*handler)(int signo);
 523       void (*sigaction)(int signo, void *info, void *ctx);
 524     };
 525     unsigned long sa_flags;
 526     void (*sa_restorer)(void);
 527     __sanitizer_kernel_sigset_t sa_mask;
 528   };
 529
 530   extern uptr sig_ign;
 531   extern uptr sig_dfl;
 532   extern uptr sa_siginfo;
 533
 534 #if SANITIZER_LINUX
 535   extern int e_tabsz;
 536 #endif
 537
 538   extern int af_inet;
 539   extern int af_inet6;
 540   uptr __sanitizer_in_addr_sz(int af);
 541
 542 #if SANITIZER_LINUX || SANITIZER_FREEBSD
 543   struct __sanitizer_dl_phdr_info {
 544     uptr dlpi_addr;
 545     const char *dlpi_name;
 546     const void *dlpi_phdr;
 547     short dlpi_phnum;
 548   };
 549 #endif
 550
 551   struct __sanitizer_addrinfo {
 552     int ai_flags;
 553     int ai_family;
 554     int ai_socktype;
 555     int ai_protocol;
 556 #if SANITIZER_ANDROID || SANITIZER_MAC || SANITIZER_FREEBSD
 557     unsigned ai_addrlen;
 558     char *ai_canonname;
 559     void *ai_addr;
 560 #else // LINUX
 561     unsigned ai_addrlen;
 562     void *ai_addr;
 563     char *ai_canonname;
 564 #endif
 565     struct __sanitizer_addrinfo *ai_next;
 566   };
 567
 568   struct __sanitizer_hostent {
 569     char *h_name;
 570     char **h_aliases;
 571     int h_addrtype;
 572     int h_length;
 573     char **h_addr_list;
 574   };
 575
 576   struct __sanitizer_pollfd {
 577     int fd;
 578     short events;
 579     short revents;
 580   };
 581
 582 #if SANITIZER_ANDROID || SANITIZER_MAC || SANITIZER_FREEBSD
 583   typedef unsigned __sanitizer_nfds_t;
 584 #else
 585   typedef unsigned long __sanitizer_nfds_t;
 586 #endif
 587
 588 #if !SANITIZER_ANDROID
 589 # if SANITIZER_LINUX
 590   struct __sanitizer_glob_t {
 591     uptr gl_pathc;
 592     char **gl_pathv;
 593     uptr gl_offs;
 594     int gl_flags;
 595
 596     void (*gl_closedir)(void *dirp);
 597     void *(*gl_readdir)(void *dirp);
 598     void *(*gl_opendir)(const char *);
 599     int (*gl_lstat)(const char *, void *);
 600     int (*gl_stat)(const char *, void *);
 601   };
 602 # elif SANITIZER_FREEBSD
 603   struct __sanitizer_glob_t {
 604     uptr gl_pathc;
 605     uptr gl_matchc;
 606     uptr gl_offs;
 607     int gl_flags;
 608     char **gl_pathv;
 609     int (*gl_errfunc)(const char*, int);
 610     void (*gl_closedir)(void *dirp);
 611     struct dirent *(*gl_readdir)(void *dirp);
 612     void *(*gl_opendir)(const char*);
 613     int (*gl_lstat)(const char*, void* /* struct stat* */);
 614     int (*gl_stat)(const char*, void* /* struct stat* */);
 615   };
 616 # endif  // SANITIZER_FREEBSD
 617
 618 # if SANITIZER_LINUX || SANITIZER_FREEBSD
 619   extern int glob_nomatch;
 620   extern int glob_altdirfunc;
 621 # endif
 622 #endif  // !SANITIZER_ANDROID
 623
 624   extern unsigned path_max;
 625
 626   struct __sanitizer_wordexp_t {
 627     uptr we_wordc;
 628     char **we_wordv;
 629     uptr we_offs;
 630 #if SANITIZER_FREEBSD
 631     char *we_strings;
 632     uptr we_nbytes;
 633 #endif
 634   };
 635
 636 #if SANITIZER_LINUX && !SANITIZER_ANDROID
 637   struct __sanitizer_FILE {
 638     int _flags;
 639     char *_IO_read_ptr;
 640     char *_IO_read_end;
 641     char *_IO_read_base;
 642     char *_IO_write_base;
 643     char *_IO_write_ptr;
 644     char *_IO_write_end;
 645     char *_IO_buf_base;
 646     char *_IO_buf_end;
 647     char *_IO_save_base;
 648     char *_IO_backup_base;
 649     char *_IO_save_end;
 650     void *_markers;
 651     __sanitizer_FILE *_chain;
 652     int _fileno;
 653   };
 654 # define SANITIZER_HAS_STRUCT_FILE 1
 655 #else
 656   typedef void __sanitizer_FILE;
 657 # define SANITIZER_HAS_STRUCT_FILE 0
 658 #endif
 659
 660 #if SANITIZER_LINUX && !SANITIZER_ANDROID && \
 661     (defined(__i386) || defined(__x86_64))
 662   extern unsigned struct_user_regs_struct_sz;
 663   extern unsigned struct_user_fpregs_struct_sz;
 664   extern unsigned struct_user_fpxregs_struct_sz;
 665
 666   extern int ptrace_peektext;
 667   extern int ptrace_peekdata;
 668   extern int ptrace_peekuser;
 669   extern int ptrace_getregs;
 670   extern int ptrace_setregs;
 671   extern int ptrace_getfpregs;
 672   extern int ptrace_setfpregs;
 673   extern int ptrace_getfpxregs;
 674   extern int ptrace_setfpxregs;
 675   extern int ptrace_getsiginfo;
 676   extern int ptrace_setsiginfo;
 677   extern int ptrace_getregset;
 678   extern int ptrace_setregset;
 679 #endif
 680
 681 #if (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
 682   extern unsigned struct_shminfo_sz;
 683   extern unsigned struct_shm_info_sz;
 684   extern int shmctl_ipc_stat;
 685   extern int shmctl_ipc_info;
 686   extern int shmctl_shm_info;
 687   extern int shmctl_shm_stat;
 688 #endif
 689
 690   extern int map_fixed;
 691
 692   // ioctl arguments
 693   struct __sanitizer_ifconf {
 694     int ifc_len;
 695     union {
 696       void *ifcu_req;
 697     } ifc_ifcu;
 698 #if SANITIZER_MAC
 699   } __attribute__((packed));
 700 #else
 701   };
 702 #endif
 703
 704 #if SANITIZER_LINUX && !SANITIZER_ANDROID
 705 struct __sanitizer__obstack_chunk {
 706   char *limit;
 707   struct __sanitizer__obstack_chunk *prev;
 708 };
 709
 710 struct __sanitizer_obstack {
 711   long chunk_size;
 712   struct __sanitizer__obstack_chunk *chunk;
 713   char *object_base;
 714   char *next_free;
 715   uptr more_fields[7];
 716 };
 717 #endif
 718
 719 #define IOC_NRBITS 8
 720 #define IOC_TYPEBITS 8
 721 #if defined(__powerpc__) || defined(__powerpc64__)
 722 #define IOC_SIZEBITS 13
 723 #define IOC_DIRBITS 3
 724 #define IOC_NONE 1U
 725 #define IOC_WRITE 4U
 726 #define IOC_READ 2U
 727 #else
 728 #define IOC_SIZEBITS 14
 729 #define IOC_DIRBITS 2
 730 #define IOC_NONE 0U
 731 #define IOC_WRITE 1U
 732 #define IOC_READ 2U
 733 #endif
 734 #define IOC_NRMASK ((1 << IOC_NRBITS) - 1)
 735 #define IOC_TYPEMASK ((1 << IOC_TYPEBITS) - 1)
 736 #define IOC_SIZEMASK ((1 << IOC_SIZEBITS) - 1)
 737 #if defined(IOC_DIRMASK)
 738 #undef IOC_DIRMASK
 739 #endif
 740 #define IOC_DIRMASK ((1 << IOC_DIRBITS) - 1)
 741 #define IOC_NRSHIFT 0
 742 #define IOC_TYPESHIFT (IOC_NRSHIFT + IOC_NRBITS)
 743 #define IOC_SIZESHIFT (IOC_TYPESHIFT + IOC_TYPEBITS)
 744 #define IOC_DIRSHIFT (IOC_SIZESHIFT + IOC_SIZEBITS)
 745 #define EVIOC_EV_MAX 0x1f
 746 #define EVIOC_ABS_MAX 0x3f
 747
 748 #define IOC_DIR(nr) (((nr) >> IOC_DIRSHIFT) & IOC_DIRMASK)
 749 #define IOC_TYPE(nr) (((nr) >> IOC_TYPESHIFT) & IOC_TYPEMASK)
 750 #define IOC_NR(nr) (((nr) >> IOC_NRSHIFT) & IOC_NRMASK)
 751 #define IOC_SIZE(nr) (((nr) >> IOC_SIZESHIFT) & IOC_SIZEMASK)
 752
 753   extern unsigned struct_arpreq_sz;
 754   extern unsigned struct_ifreq_sz;
 755   extern unsigned struct_termios_sz;
 756   extern unsigned struct_winsize_sz;
 757
 758 #if SANITIZER_LINUX
 759   extern unsigned struct_cdrom_msf_sz;
 760   extern unsigned struct_cdrom_multisession_sz;
 761   extern unsigned struct_cdrom_read_audio_sz;
 762   extern unsigned struct_cdrom_subchnl_sz;
 763   extern unsigned struct_cdrom_ti_sz;
 764   extern unsigned struct_cdrom_tocentry_sz;
 765   extern unsigned struct_cdrom_tochdr_sz;
 766   extern unsigned struct_cdrom_volctrl_sz;
 767   extern unsigned struct_ff_effect_sz;
 768   extern unsigned struct_floppy_drive_params_sz;
 769   extern unsigned struct_floppy_drive_struct_sz;
 770   extern unsigned struct_floppy_fdc_state_sz;
 771   extern unsigned struct_floppy_max_errors_sz;
 772   extern unsigned struct_floppy_raw_cmd_sz;
 773   extern unsigned struct_floppy_struct_sz;
 774   extern unsigned struct_floppy_write_errors_sz;
 775   extern unsigned struct_format_descr_sz;
 776   extern unsigned struct_hd_driveid_sz;
 777   extern unsigned struct_hd_geometry_sz;
 778   extern unsigned struct_input_absinfo_sz;
 779   extern unsigned struct_input_id_sz;
 780   extern unsigned struct_mtpos_sz;
 781   extern unsigned struct_termio_sz;
 782   extern unsigned struct_vt_consize_sz;
 783   extern unsigned struct_vt_sizes_sz;
 784   extern unsigned struct_vt_stat_sz;
 785 #endif  // SANITIZER_LINUX
 786
 787 #if SANITIZER_LINUX || SANITIZER_FREEBSD
 788   extern unsigned struct_copr_buffer_sz;
 789   extern unsigned struct_copr_debug_buf_sz;
 790   extern unsigned struct_copr_msg_sz;
 791   extern unsigned struct_midi_info_sz;
 792   extern unsigned struct_mtget_sz;
 793   extern unsigned struct_mtop_sz;
 794   extern unsigned struct_rtentry_sz;
 795   extern unsigned struct_sbi_instrument_sz;
 796   extern unsigned struct_seq_event_rec_sz;
 797   extern unsigned struct_synth_info_sz;
 798   extern unsigned struct_vt_mode_sz;
 799 #endif // SANITIZER_LINUX || SANITIZER_FREEBSD
 800
 801 #if SANITIZER_LINUX && !SANITIZER_ANDROID
 802   extern unsigned struct_ax25_parms_struct_sz;
 803   extern unsigned struct_cyclades_monitor_sz;
 804   extern unsigned struct_input_keymap_entry_sz;
 805   extern unsigned struct_ipx_config_data_sz;
 806   extern unsigned struct_kbdiacrs_sz;
 807   extern unsigned struct_kbentry_sz;
 808   extern unsigned struct_kbkeycode_sz;
 809   extern unsigned struct_kbsentry_sz;
 810   extern unsigned struct_mtconfiginfo_sz;
 811   extern unsigned struct_nr_parms_struct_sz;
 812   extern unsigned struct_scc_modem_sz;
 813   extern unsigned struct_scc_stat_sz;
 814   extern unsigned struct_serial_multiport_struct_sz;
 815   extern unsigned struct_serial_struct_sz;
 816   extern unsigned struct_sockaddr_ax25_sz;
 817   extern unsigned struct_unimapdesc_sz;
 818   extern unsigned struct_unimapinit_sz;
 819 #endif  // SANITIZER_LINUX && !SANITIZER_ANDROID
 820
 821 #if (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
 822   extern unsigned struct_audio_buf_info_sz;
 823   extern unsigned struct_ppp_stats_sz;
 824 #endif  // (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
 825
 826 #if !SANITIZER_ANDROID && !SANITIZER_MAC
 827   extern unsigned struct_sioc_sg_req_sz;
 828   extern unsigned struct_sioc_vif_req_sz;
 829 #endif
 830
 831   // ioctl request identifiers
 832
 833   // A special value to mark ioctls that are not present on the target platform,
 834   // when it can not be determined without including any system headers.
 835   extern unsigned IOCTL_NOT_PRESENT;
 836
 837   extern unsigned IOCTL_FIOASYNC;
 838   extern unsigned IOCTL_FIOCLEX;
 839   extern unsigned IOCTL_FIOGETOWN;
 840   extern unsigned IOCTL_FIONBIO;
 841   extern unsigned IOCTL_FIONCLEX;
 842   extern unsigned IOCTL_FIOSETOWN;
 843   extern unsigned IOCTL_SIOCADDMULTI;
 844   extern unsigned IOCTL_SIOCATMARK;
 845   extern unsigned IOCTL_SIOCDELMULTI;
 846   extern unsigned IOCTL_SIOCGIFADDR;
 847   extern unsigned IOCTL_SIOCGIFBRDADDR;
 848   extern unsigned IOCTL_SIOCGIFCONF;
 849   extern unsigned IOCTL_SIOCGIFDSTADDR;
 850   extern unsigned IOCTL_SIOCGIFFLAGS;
 851   extern unsigned IOCTL_SIOCGIFMETRIC;
 852   extern unsigned IOCTL_SIOCGIFMTU;
 853   extern unsigned IOCTL_SIOCGIFNETMASK;
 854   extern unsigned IOCTL_SIOCGPGRP;
 855   extern unsigned IOCTL_SIOCSIFADDR;
 856   extern unsigned IOCTL_SIOCSIFBRDADDR;
 857   extern unsigned IOCTL_SIOCSIFDSTADDR;
 858   extern unsigned IOCTL_SIOCSIFFLAGS;
 859   extern unsigned IOCTL_SIOCSIFMETRIC;
 860   extern unsigned IOCTL_SIOCSIFMTU;
 861   extern unsigned IOCTL_SIOCSIFNETMASK;
 862   extern unsigned IOCTL_SIOCSPGRP;
 863   extern unsigned IOCTL_TIOCCONS;
 864   extern unsigned IOCTL_TIOCEXCL;
 865   extern unsigned IOCTL_TIOCGETD;
 866   extern unsigned IOCTL_TIOCGPGRP;
 867   extern unsigned IOCTL_TIOCGWINSZ;
 868   extern unsigned IOCTL_TIOCMBIC;
 869   extern unsigned IOCTL_TIOCMBIS;
 870   extern unsigned IOCTL_TIOCMGET;
 871   extern unsigned IOCTL_TIOCMSET;
 872   extern unsigned IOCTL_TIOCNOTTY;
 873   extern unsigned IOCTL_TIOCNXCL;
 874   extern unsigned IOCTL_TIOCOUTQ;
 875   extern unsigned IOCTL_TIOCPKT;
 876   extern unsigned IOCTL_TIOCSCTTY;
 877   extern unsigned IOCTL_TIOCSETD;
 878   extern unsigned IOCTL_TIOCSPGRP;
 879   extern unsigned IOCTL_TIOCSTI;
 880   extern unsigned IOCTL_TIOCSWINSZ;
 881 #if (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
 882   extern unsigned IOCTL_SIOCGETSGCNT;
 883   extern unsigned IOCTL_SIOCGETVIFCNT;
 884 #endif
 885 #if SANITIZER_LINUX
 886   extern unsigned IOCTL_EVIOCGABS;
 887   extern unsigned IOCTL_EVIOCGBIT;
 888   extern unsigned IOCTL_EVIOCGEFFECTS;
 889   extern unsigned IOCTL_EVIOCGID;
 890   extern unsigned IOCTL_EVIOCGKEY;
 891   extern unsigned IOCTL_EVIOCGKEYCODE;
 892   extern unsigned IOCTL_EVIOCGLED;
 893   extern unsigned IOCTL_EVIOCGNAME;
 894   extern unsigned IOCTL_EVIOCGPHYS;
 895   extern unsigned IOCTL_EVIOCGRAB;
 896   extern unsigned IOCTL_EVIOCGREP;
 897   extern unsigned IOCTL_EVIOCGSND;
 898   extern unsigned IOCTL_EVIOCGSW;
 899   extern unsigned IOCTL_EVIOCGUNIQ;
 900   extern unsigned IOCTL_EVIOCGVERSION;
 901   extern unsigned IOCTL_EVIOCRMFF;
 902   extern unsigned IOCTL_EVIOCSABS;
 903   extern unsigned IOCTL_EVIOCSFF;
 904   extern unsigned IOCTL_EVIOCSKEYCODE;
 905   extern unsigned IOCTL_EVIOCSREP;
 906   extern unsigned IOCTL_BLKFLSBUF;
 907   extern unsigned IOCTL_BLKGETSIZE;
 908   extern unsigned IOCTL_BLKRAGET;
 909   extern unsigned IOCTL_BLKRASET;
 910   extern unsigned IOCTL_BLKROGET;
 911   extern unsigned IOCTL_BLKROSET;
 912   extern unsigned IOCTL_BLKRRPART;
 913   extern unsigned IOCTL_CDROMAUDIOBUFSIZ;
 914   extern unsigned IOCTL_CDROMEJECT;
 915   extern unsigned IOCTL_CDROMEJECT_SW;
 916   extern unsigned IOCTL_CDROMMULTISESSION;
 917   extern unsigned IOCTL_CDROMPAUSE;
 918   extern unsigned IOCTL_CDROMPLAYMSF;
 919   extern unsigned IOCTL_CDROMPLAYTRKIND;
 920   extern unsigned IOCTL_CDROMREADAUDIO;
 921   extern unsigned IOCTL_CDROMREADCOOKED;
 922   extern unsigned IOCTL_CDROMREADMODE1;
 923   extern unsigned IOCTL_CDROMREADMODE2;
 924   extern unsigned IOCTL_CDROMREADRAW;
 925   extern unsigned IOCTL_CDROMREADTOCENTRY;
 926   extern unsigned IOCTL_CDROMREADTOCHDR;
 927   extern unsigned IOCTL_CDROMRESET;
 928   extern unsigned IOCTL_CDROMRESUME;
 929   extern unsigned IOCTL_CDROMSEEK;
 930   extern unsigned IOCTL_CDROMSTART;
 931   extern unsigned IOCTL_CDROMSTOP;
 932   extern unsigned IOCTL_CDROMSUBCHNL;
 933   extern unsigned IOCTL_CDROMVOLCTRL;
 934   extern unsigned IOCTL_CDROMVOLREAD;
 935   extern unsigned IOCTL_CDROM_GET_UPC;
 936   extern unsigned IOCTL_FDCLRPRM;
 937   extern unsigned IOCTL_FDDEFPRM;
 938   extern unsigned IOCTL_FDFLUSH;
 939   extern unsigned IOCTL_FDFMTBEG;
 940   extern unsigned IOCTL_FDFMTEND;
 941   extern unsigned IOCTL_FDFMTTRK;
 942   extern unsigned IOCTL_FDGETDRVPRM;
 943   extern unsigned IOCTL_FDGETDRVSTAT;
 944   extern unsigned IOCTL_FDGETDRVTYP;
 945   extern unsigned IOCTL_FDGETFDCSTAT;
 946   extern unsigned IOCTL_FDGETMAXERRS;
 947   extern unsigned IOCTL_FDGETPRM;
 948   extern unsigned IOCTL_FDMSGOFF;
 949   extern unsigned IOCTL_FDMSGON;
 950   extern unsigned IOCTL_FDPOLLDRVSTAT;
 951   extern unsigned IOCTL_FDRAWCMD;
 952   extern unsigned IOCTL_FDRESET;
 953   extern unsigned IOCTL_FDSETDRVPRM;
 954   extern unsigned IOCTL_FDSETEMSGTRESH;
 955   extern unsigned IOCTL_FDSETMAXERRS;
 956   extern unsigned IOCTL_FDSETPRM;
 957   extern unsigned IOCTL_FDTWADDLE;
 958   extern unsigned IOCTL_FDWERRORCLR;
 959   extern unsigned IOCTL_FDWERRORGET;
 960   extern unsigned IOCTL_HDIO_DRIVE_CMD;
 961   extern unsigned IOCTL_HDIO_GETGEO;
 962   extern unsigned IOCTL_HDIO_GET_32BIT;
 963   extern unsigned IOCTL_HDIO_GET_DMA;
 964   extern unsigned IOCTL_HDIO_GET_IDENTITY;
 965   extern unsigned IOCTL_HDIO_GET_KEEPSETTINGS;
 966   extern unsigned IOCTL_HDIO_GET_MULTCOUNT;
 967   extern unsigned IOCTL_HDIO_GET_NOWERR;
 968   extern unsigned IOCTL_HDIO_GET_UNMASKINTR;
 969   extern unsigned IOCTL_HDIO_SET_32BIT;
 970   extern unsigned IOCTL_HDIO_SET_DMA;
 971   extern unsigned IOCTL_HDIO_SET_KEEPSETTINGS;
 972   extern unsigned IOCTL_HDIO_SET_MULTCOUNT;
 973   extern unsigned IOCTL_HDIO_SET_NOWERR;
 974   extern unsigned IOCTL_HDIO_SET_UNMASKINTR;
 975   extern unsigned IOCTL_MTIOCPOS;
 976   extern unsigned IOCTL_PPPIOCGASYNCMAP;
 977   extern unsigned IOCTL_PPPIOCGDEBUG;
 978   extern unsigned IOCTL_PPPIOCGFLAGS;
 979   extern unsigned IOCTL_PPPIOCGUNIT;
 980   extern unsigned IOCTL_PPPIOCGXASYNCMAP;
 981   extern unsigned IOCTL_PPPIOCSASYNCMAP;
 982   extern unsigned IOCTL_PPPIOCSDEBUG;
 983   extern unsigned IOCTL_PPPIOCSFLAGS;
 984   extern unsigned IOCTL_PPPIOCSMAXCID;
 985   extern unsigned IOCTL_PPPIOCSMRU;
 986   extern unsigned IOCTL_PPPIOCSXASYNCMAP;
 987   extern unsigned IOCTL_SIOCDARP;
 988   extern unsigned IOCTL_SIOCDRARP;
 989   extern unsigned IOCTL_SIOCGARP;
 990   extern unsigned IOCTL_SIOCGIFENCAP;
 991   extern unsigned IOCTL_SIOCGIFHWADDR;
 992   extern unsigned IOCTL_SIOCGIFMAP;
 993   extern unsigned IOCTL_SIOCGIFMEM;
 994   extern unsigned IOCTL_SIOCGIFNAME;
 995   extern unsigned IOCTL_SIOCGIFSLAVE;
 996   extern unsigned IOCTL_SIOCGRARP;
 997   extern unsigned IOCTL_SIOCGSTAMP;
 998   extern unsigned IOCTL_SIOCSARP;
 999   extern unsigned IOCTL_SIOCSIFENCAP;
1000   extern unsigned IOCTL_SIOCSIFHWADDR;
1001   extern unsigned IOCTL_SIOCSIFLINK;
1002   extern unsigned IOCTL_SIOCSIFMAP;
1003   extern unsigned IOCTL_SIOCSIFMEM;
1004   extern unsigned IOCTL_SIOCSIFSLAVE;
1005   extern unsigned IOCTL_SIOCSRARP;
1006   extern unsigned IOCTL_SNDCTL_COPR_HALT;
1007   extern unsigned IOCTL_SNDCTL_COPR_LOAD;
1008   extern unsigned IOCTL_SNDCTL_COPR_RCODE;
1009   extern unsigned IOCTL_SNDCTL_COPR_RCVMSG;
1010   extern unsigned IOCTL_SNDCTL_COPR_RDATA;
1011   extern unsigned IOCTL_SNDCTL_COPR_RESET;
1012   extern unsigned IOCTL_SNDCTL_COPR_RUN;
1013   extern unsigned IOCTL_SNDCTL_COPR_SENDMSG;
1014   extern unsigned IOCTL_SNDCTL_COPR_WCODE;
1015   extern unsigned IOCTL_SNDCTL_COPR_WDATA;
1016   extern unsigned IOCTL_TCFLSH;
1017   extern unsigned IOCTL_TCGETA;
1018   extern unsigned IOCTL_TCGETS;
1019   extern unsigned IOCTL_TCSBRK;
1020   extern unsigned IOCTL_TCSBRKP;
1021   extern unsigned IOCTL_TCSETA;
1022   extern unsigned IOCTL_TCSETAF;
1023   extern unsigned IOCTL_TCSETAW;
1024   extern unsigned IOCTL_TCSETS;
1025   extern unsigned IOCTL_TCSETSF;
1026   extern unsigned IOCTL_TCSETSW;
1027   extern unsigned IOCTL_TCXONC;
1028   extern unsigned IOCTL_TIOCGLCKTRMIOS;
1029   extern unsigned IOCTL_TIOCGSOFTCAR;
1030   extern unsigned IOCTL_TIOCINQ;
1031   extern unsigned IOCTL_TIOCLINUX;
1032   extern unsigned IOCTL_TIOCSERCONFIG;
1033   extern unsigned IOCTL_TIOCSERGETLSR;
1034   extern unsigned IOCTL_TIOCSERGWILD;
1035   extern unsigned IOCTL_TIOCSERSWILD;
1036   extern unsigned IOCTL_TIOCSLCKTRMIOS;
1037   extern unsigned IOCTL_TIOCSSOFTCAR;
1038   extern unsigned IOCTL_VT_DISALLOCATE;
1039   extern unsigned IOCTL_VT_GETSTATE;
1040   extern unsigned IOCTL_VT_RESIZE;
1041   extern unsigned IOCTL_VT_RESIZEX;
1042   extern unsigned IOCTL_VT_SENDSIG;
1043 #endif  // SANITIZER_LINUX
1044 #if SANITIZER_LINUX || SANITIZER_FREEBSD
1045   extern unsigned IOCTL_MTIOCGET;
1046   extern unsigned IOCTL_MTIOCTOP;
1047   extern unsigned IOCTL_SIOCADDRT;
1048   extern unsigned IOCTL_SIOCDELRT;
1049   extern unsigned IOCTL_SNDCTL_DSP_GETBLKSIZE;
1050   extern unsigned IOCTL_SNDCTL_DSP_GETFMTS;
1051   extern unsigned IOCTL_SNDCTL_DSP_NONBLOCK;
1052   extern unsigned IOCTL_SNDCTL_DSP_POST;
1053   extern unsigned IOCTL_SNDCTL_DSP_RESET;
1054   extern unsigned IOCTL_SNDCTL_DSP_SETFMT;
1055   extern unsigned IOCTL_SNDCTL_DSP_SETFRAGMENT;
1056   extern unsigned IOCTL_SNDCTL_DSP_SPEED;
1057   extern unsigned IOCTL_SNDCTL_DSP_STEREO;
1058   extern unsigned IOCTL_SNDCTL_DSP_SUBDIVIDE;
1059   extern unsigned IOCTL_SNDCTL_DSP_SYNC;
1060   extern unsigned IOCTL_SNDCTL_FM_4OP_ENABLE;
1061   extern unsigned IOCTL_SNDCTL_FM_LOAD_INSTR;
1062   extern unsigned IOCTL_SNDCTL_MIDI_INFO;
1063   extern unsigned IOCTL_SNDCTL_MIDI_PRETIME;
1064   extern unsigned IOCTL_SNDCTL_SEQ_CTRLRATE;
1065   extern unsigned IOCTL_SNDCTL_SEQ_GETINCOUNT;
1066   extern unsigned IOCTL_SNDCTL_SEQ_GETOUTCOUNT;
1067   extern unsigned IOCTL_SNDCTL_SEQ_NRMIDIS;
1068   extern unsigned IOCTL_SNDCTL_SEQ_NRSYNTHS;
1069   extern unsigned IOCTL_SNDCTL_SEQ_OUTOFBAND;
1070   extern unsigned IOCTL_SNDCTL_SEQ_PANIC;
1071   extern unsigned IOCTL_SNDCTL_SEQ_PERCMODE;
1072   extern unsigned IOCTL_SNDCTL_SEQ_RESET;
1073   extern unsigned IOCTL_SNDCTL_SEQ_RESETSAMPLES;
1074   extern unsigned IOCTL_SNDCTL_SEQ_SYNC;
1075   extern unsigned IOCTL_SNDCTL_SEQ_TESTMIDI;
1076   extern unsigned IOCTL_SNDCTL_SEQ_THRESHOLD;
1077   extern unsigned IOCTL_SNDCTL_SYNTH_INFO;
1078   extern unsigned IOCTL_SNDCTL_SYNTH_MEMAVL;
1079   extern unsigned IOCTL_SNDCTL_TMR_CONTINUE;
1080   extern unsigned IOCTL_SNDCTL_TMR_METRONOME;
1081   extern unsigned IOCTL_SNDCTL_TMR_SELECT;
1082   extern unsigned IOCTL_SNDCTL_TMR_SOURCE;
1083   extern unsigned IOCTL_SNDCTL_TMR_START;
1084   extern unsigned IOCTL_SNDCTL_TMR_STOP;
1085   extern unsigned IOCTL_SNDCTL_TMR_TEMPO;
1086   extern unsigned IOCTL_SNDCTL_TMR_TIMEBASE;
1087   extern unsigned IOCTL_SOUND_MIXER_READ_ALTPCM;
1088   extern unsigned IOCTL_SOUND_MIXER_READ_BASS;
1089   extern unsigned IOCTL_SOUND_MIXER_READ_CAPS;
1090   extern unsigned IOCTL_SOUND_MIXER_READ_CD;
1091   extern unsigned IOCTL_SOUND_MIXER_READ_DEVMASK;
1092   extern unsigned IOCTL_SOUND_MIXER_READ_ENHANCE;
1093   extern unsigned IOCTL_SOUND_MIXER_READ_IGAIN;
1094   extern unsigned IOCTL_SOUND_MIXER_READ_IMIX;
1095   extern unsigned IOCTL_SOUND_MIXER_READ_LINE1;
1096   extern unsigned IOCTL_SOUND_MIXER_READ_LINE2;
1097   extern unsigned IOCTL_SOUND_MIXER_READ_LINE3;
1098   extern unsigned IOCTL_SOUND_MIXER_READ_LINE;
1099   extern unsigned IOCTL_SOUND_MIXER_READ_LOUD;
1100   extern unsigned IOCTL_SOUND_MIXER_READ_MIC;
1101   extern unsigned IOCTL_SOUND_MIXER_READ_MUTE;
1102   extern unsigned IOCTL_SOUND_MIXER_READ_OGAIN;
1103   extern unsigned IOCTL_SOUND_MIXER_READ_PCM;
1104   extern unsigned IOCTL_SOUND_MIXER_READ_RECLEV;
1105   extern unsigned IOCTL_SOUND_MIXER_READ_RECMASK;
1106   extern unsigned IOCTL_SOUND_MIXER_READ_RECSRC;
1107   extern unsigned IOCTL_SOUND_MIXER_READ_SPEAKER;
1108   extern unsigned IOCTL_SOUND_MIXER_READ_STEREODEVS;
1109   extern unsigned IOCTL_SOUND_MIXER_READ_SYNTH;
1110   extern unsigned IOCTL_SOUND_MIXER_READ_TREBLE;
1111   extern unsigned IOCTL_SOUND_MIXER_READ_VOLUME;
1112   extern unsigned IOCTL_SOUND_MIXER_WRITE_ALTPCM;
1113   extern unsigned IOCTL_SOUND_MIXER_WRITE_BASS;
1114   extern unsigned IOCTL_SOUND_MIXER_WRITE_CD;
1115   extern unsigned IOCTL_SOUND_MIXER_WRITE_ENHANCE;
1116   extern unsigned IOCTL_SOUND_MIXER_WRITE_IGAIN;
1117   extern unsigned IOCTL_SOUND_MIXER_WRITE_IMIX;
1118   extern unsigned IOCTL_SOUND_MIXER_WRITE_LINE1;
1119   extern unsigned IOCTL_SOUND_MIXER_WRITE_LINE2;
1120   extern unsigned IOCTL_SOUND_MIXER_WRITE_LINE3;
1121   extern unsigned IOCTL_SOUND_MIXER_WRITE_LINE;
1122   extern unsigned IOCTL_SOUND_MIXER_WRITE_LOUD;
1123   extern unsigned IOCTL_SOUND_MIXER_WRITE_MIC;
1124   extern unsigned IOCTL_SOUND_MIXER_WRITE_MUTE;
1125   extern unsigned IOCTL_SOUND_MIXER_WRITE_OGAIN;
1126   extern unsigned IOCTL_SOUND_MIXER_WRITE_PCM;
1127   extern unsigned IOCTL_SOUND_MIXER_WRITE_RECLEV;
1128   extern unsigned IOCTL_SOUND_MIXER_WRITE_RECSRC;
1129   extern unsigned IOCTL_SOUND_MIXER_WRITE_SPEAKER;
1130   extern unsigned IOCTL_SOUND_MIXER_WRITE_SYNTH;
1131   extern unsigned IOCTL_SOUND_MIXER_WRITE_TREBLE;
1132   extern unsigned IOCTL_SOUND_MIXER_WRITE_VOLUME;
1133   extern unsigned IOCTL_SOUND_PCM_READ_BITS;
1134   extern unsigned IOCTL_SOUND_PCM_READ_CHANNELS;
1135   extern unsigned IOCTL_SOUND_PCM_READ_FILTER;
1136   extern unsigned IOCTL_SOUND_PCM_READ_RATE;
1137   extern unsigned IOCTL_SOUND_PCM_WRITE_CHANNELS;
1138   extern unsigned IOCTL_SOUND_PCM_WRITE_FILTER;
1139   extern unsigned IOCTL_VT_ACTIVATE;
1140   extern unsigned IOCTL_VT_GETMODE;
1141   extern unsigned IOCTL_VT_OPENQRY;
1142   extern unsigned IOCTL_VT_RELDISP;
1143   extern unsigned IOCTL_VT_SETMODE;
1144   extern unsigned IOCTL_VT_WAITACTIVE;
1145 #endif  // SANITIZER_LINUX || SANITIZER_FREEBSD
1146
1147 #if SANITIZER_LINUX && !SANITIZER_ANDROID
1148   extern unsigned IOCTL_CYGETDEFTHRESH;
1149   extern unsigned IOCTL_CYGETDEFTIMEOUT;
1150   extern unsigned IOCTL_CYGETMON;
1151   extern unsigned IOCTL_CYGETTHRESH;
1152   extern unsigned IOCTL_CYGETTIMEOUT;
1153   extern unsigned IOCTL_CYSETDEFTHRESH;
1154   extern unsigned IOCTL_CYSETDEFTIMEOUT;
1155   extern unsigned IOCTL_CYSETTHRESH;
1156   extern unsigned IOCTL_CYSETTIMEOUT;
1157   extern unsigned IOCTL_EQL_EMANCIPATE;
1158   extern unsigned IOCTL_EQL_ENSLAVE;
1159   extern unsigned IOCTL_EQL_GETMASTRCFG;
1160   extern unsigned IOCTL_EQL_GETSLAVECFG;
1161   extern unsigned IOCTL_EQL_SETMASTRCFG;
1162   extern unsigned IOCTL_EQL_SETSLAVECFG;
1163   extern unsigned IOCTL_EVIOCGKEYCODE_V2;
1164   extern unsigned IOCTL_EVIOCGPROP;
1165   extern unsigned IOCTL_EVIOCSKEYCODE_V2;
1166   extern unsigned IOCTL_FS_IOC_GETFLAGS;
1167   extern unsigned IOCTL_FS_IOC_GETVERSION;
1168   extern unsigned IOCTL_FS_IOC_SETFLAGS;
1169   extern unsigned IOCTL_FS_IOC_SETVERSION;
1170   extern unsigned IOCTL_GIO_CMAP;
1171   extern unsigned IOCTL_GIO_FONT;
1172   extern unsigned IOCTL_GIO_UNIMAP;
1173   extern unsigned IOCTL_GIO_UNISCRNMAP;
1174   extern unsigned IOCTL_KDADDIO;
1175   extern unsigned IOCTL_KDDELIO;
1176   extern unsigned IOCTL_KDGETKEYCODE;
1177   extern unsigned IOCTL_KDGKBDIACR;
1178   extern unsigned IOCTL_KDGKBENT;
1179   extern unsigned IOCTL_KDGKBLED;
1180   extern unsigned IOCTL_KDGKBMETA;
1181   extern unsigned IOCTL_KDGKBSENT;
1182   extern unsigned IOCTL_KDMAPDISP;
1183   extern unsigned IOCTL_KDSETKEYCODE;
1184   extern unsigned IOCTL_KDSIGACCEPT;
1185   extern unsigned IOCTL_KDSKBDIACR;
1186   extern unsigned IOCTL_KDSKBENT;
1187   extern unsigned IOCTL_KDSKBLED;
1188   extern unsigned IOCTL_KDSKBMETA;
1189   extern unsigned IOCTL_KDSKBSENT;
1190   extern unsigned IOCTL_KDUNMAPDISP;
1191   extern unsigned IOCTL_LPABORT;
1192   extern unsigned IOCTL_LPABORTOPEN;
1193   extern unsigned IOCTL_LPCAREFUL;
1194   extern unsigned IOCTL_LPCHAR;
1195   extern unsigned IOCTL_LPGETIRQ;
1196   extern unsigned IOCTL_LPGETSTATUS;
1197   extern unsigned IOCTL_LPRESET;
1198   extern unsigned IOCTL_LPSETIRQ;
1199   extern unsigned IOCTL_LPTIME;
1200   extern unsigned IOCTL_LPWAIT;
1201   extern unsigned IOCTL_MTIOCGETCONFIG;
1202   extern unsigned IOCTL_MTIOCSETCONFIG;
1203   extern unsigned IOCTL_PIO_CMAP;
1204   extern unsigned IOCTL_PIO_FONT;
1205   extern unsigned IOCTL_PIO_UNIMAP;
1206   extern unsigned IOCTL_PIO_UNIMAPCLR;
1207   extern unsigned IOCTL_PIO_UNISCRNMAP;
1208   extern unsigned IOCTL_SCSI_IOCTL_GET_IDLUN;
1209   extern unsigned IOCTL_SCSI_IOCTL_PROBE_HOST;
1210   extern unsigned IOCTL_SCSI_IOCTL_TAGGED_DISABLE;
1211   extern unsigned IOCTL_SCSI_IOCTL_TAGGED_ENABLE;
1212   extern unsigned IOCTL_SIOCAIPXITFCRT;
1213   extern unsigned IOCTL_SIOCAIPXPRISLT;
1214   extern unsigned IOCTL_SIOCAX25ADDUID;
1215   extern unsigned IOCTL_SIOCAX25DELUID;
1216   extern unsigned IOCTL_SIOCAX25GETPARMS;
1217   extern unsigned IOCTL_SIOCAX25GETUID;
1218   extern unsigned IOCTL_SIOCAX25NOUID;
1219   extern unsigned IOCTL_SIOCAX25SETPARMS;
1220   extern unsigned IOCTL_SIOCDEVPLIP;
1221   extern unsigned IOCTL_SIOCIPXCFGDATA;
1222   extern unsigned IOCTL_SIOCNRDECOBS;
1223   extern unsigned IOCTL_SIOCNRGETPARMS;
1224   extern unsigned IOCTL_SIOCNRRTCTL;
1225   extern unsigned IOCTL_SIOCNRSETPARMS;
1226   extern unsigned IOCTL_SNDCTL_DSP_GETISPACE;
1227   extern unsigned IOCTL_SNDCTL_DSP_GETOSPACE;
1228   extern unsigned IOCTL_TIOCGSERIAL;
1229   extern unsigned IOCTL_TIOCSERGETMULTI;
1230   extern unsigned IOCTL_TIOCSERSETMULTI;
1231   extern unsigned IOCTL_TIOCSSERIAL;
1232 #endif  // SANITIZER_LINUX && !SANITIZER_ANDROID
1233
1234 #if (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
1235   extern unsigned IOCTL_GIO_SCRNMAP;
1236   extern unsigned IOCTL_KDDISABIO;
1237   extern unsigned IOCTL_KDENABIO;
1238   extern unsigned IOCTL_KDGETLED;
1239   extern unsigned IOCTL_KDGETMODE;
1240   extern unsigned IOCTL_KDGKBMODE;
1241   extern unsigned IOCTL_KDGKBTYPE;
1242   extern unsigned IOCTL_KDMKTONE;
1243   extern unsigned IOCTL_KDSETLED;
1244   extern unsigned IOCTL_KDSETMODE;
1245   extern unsigned IOCTL_KDSKBMODE;
1246   extern unsigned IOCTL_KIOCSOUND;
1247   extern unsigned IOCTL_PIO_SCRNMAP;
1248 #endif
1249
1250   extern const int errno_EINVAL;
1251   extern const int errno_EOWNERDEAD;
1252
1253   extern const int si_SEGV_MAPERR;
1254   extern const int si_SEGV_ACCERR;
1255 }  // namespace __sanitizer
1256
1257 #define CHECK_TYPE_SIZE(TYPE) \
1258   COMPILER_CHECK(sizeof(__sanitizer_##TYPE) == sizeof(TYPE))
1259
1260 #define CHECK_SIZE_AND_OFFSET(CLASS, MEMBER)                       \
1261   COMPILER_CHECK(sizeof(((__sanitizer_##CLASS *) NULL)->MEMBER) == \
1262                  sizeof(((CLASS *) NULL)->MEMBER));                \
1263   COMPILER_CHECK(offsetof(__sanitizer_##CLASS, MEMBER) ==          \
1264                  offsetof(CLASS, MEMBER))
1265
1266 // For sigaction, which is a function and struct at the same time,
1267 // and thus requires explicit "struct" in sizeof() expression.
1268 #define CHECK_STRUCT_SIZE_AND_OFFSET(CLASS, MEMBER)                       \
1269   COMPILER_CHECK(sizeof(((struct __sanitizer_##CLASS *) NULL)->MEMBER) == \
1270                  sizeof(((struct CLASS *) NULL)->MEMBER));                \
1271   COMPILER_CHECK(offsetof(struct __sanitizer_##CLASS, MEMBER) ==          \
1272                  offsetof(struct CLASS, MEMBER))
1273
1274 #endif