lib/sanitizer_common/sanitizer_platform_limits_posix.h

   1 //===-- sanitizer_platform_limits_posix.h ---------------------------------===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This file is a part of Sanitizer common code.
  11 //
  12 // Sizes and layouts of platform-specific POSIX data structures.
  13 //===----------------------------------------------------------------------===//
  14
  15 #ifndef SANITIZER_PLATFORM_LIMITS_POSIX_H
  16 #define SANITIZER_PLATFORM_LIMITS_POSIX_H
  17
  18 #include "sanitizer_internal_defs.h"
  19 #include "sanitizer_platform.h"
  20
  21 namespace __sanitizer {
  22   extern unsigned struct_utsname_sz;
  23   extern unsigned struct_stat_sz;
  24 #if !SANITIZER_FREEBSD && !SANITIZER_IOS
  25   extern unsigned struct_stat64_sz;
  26 #endif
  27   extern unsigned struct_rusage_sz;
  28   extern unsigned siginfo_t_sz;
  29   extern unsigned struct_itimerval_sz;
  30   extern unsigned pthread_t_sz;
  31   extern unsigned pthread_cond_t_sz;
  32   extern unsigned pid_t_sz;
  33   extern unsigned timeval_sz;
  34   extern unsigned uid_t_sz;
  35   extern unsigned gid_t_sz;
  36   extern unsigned mbstate_t_sz;
  37   extern unsigned struct_timezone_sz;
  38   extern unsigned struct_tms_sz;
  39   extern unsigned struct_itimerspec_sz;
  40   extern unsigned struct_sigevent_sz;
  41   extern unsigned struct_sched_param_sz;
  42   extern unsigned struct_statfs64_sz;
  43
  44 #if !SANITIZER_ANDROID
  45   extern unsigned struct_statfs_sz;
  46   extern unsigned struct_sockaddr_sz;
  47   extern unsigned ucontext_t_sz;
  48 #endif // !SANITIZER_ANDROID
  49
  50 #if SANITIZER_LINUX
  51
  52 #if defined(__x86_64__)
  53   const unsigned struct_kernel_stat_sz = 144;
  54   const unsigned struct_kernel_stat64_sz = 0;
  55 #elif defined(__i386__)
  56   const unsigned struct_kernel_stat_sz = 64;
  57   const unsigned struct_kernel_stat64_sz = 96;
  58 #elif defined(__arm__)
  59   const unsigned struct_kernel_stat_sz = 64;
  60   const unsigned struct_kernel_stat64_sz = 104;
  61 #elif defined(__aarch64__)
  62   const unsigned struct_kernel_stat_sz = 128;
  63   const unsigned struct_kernel_stat64_sz = 104;
  64 #elif defined(__powerpc__) && !defined(__powerpc64__)
  65   const unsigned struct_kernel_stat_sz = 72;
  66   const unsigned struct_kernel_stat64_sz = 104;
  67 #elif defined(__powerpc64__)
  68   const unsigned struct_kernel_stat_sz = 144;
  69   const unsigned struct_kernel_stat64_sz = 104;
  70 #elif defined(__mips__)
  71   #if SANITIZER_WORDSIZE == 64
  72   const unsigned struct_kernel_stat_sz = 216;
  73   #else
  74   const unsigned struct_kernel_stat_sz = 144;
  75   #endif
  76   const unsigned struct_kernel_stat64_sz = 104;
  77 #endif
  78   struct __sanitizer_perf_event_attr {
  79     unsigned type;
  80     unsigned size;
  81     // More fields that vary with the kernel version.
  82   };
  83
  84   extern unsigned struct_epoll_event_sz;
  85   extern unsigned struct_sysinfo_sz;
  86   extern unsigned __user_cap_header_struct_sz;
  87   extern unsigned __user_cap_data_struct_sz;
  88   extern unsigned struct_new_utsname_sz;
  89   extern unsigned struct_old_utsname_sz;
  90   extern unsigned struct_oldold_utsname_sz;
  91
  92   const unsigned struct_kexec_segment_sz = 4 * sizeof(unsigned long);
  93 #endif  // SANITIZER_LINUX
  94
  95 #if SANITIZER_LINUX || SANITIZER_FREEBSD
  96
  97 #if defined(__powerpc64__)
  98   const unsigned struct___old_kernel_stat_sz = 0;
  99 #else
 100   const unsigned struct___old_kernel_stat_sz = 32;
 101 #endif
 102
 103   extern unsigned struct_rlimit_sz;
 104   extern unsigned struct_utimbuf_sz;
 105   extern unsigned struct_timespec_sz;
 106
 107   struct __sanitizer_iocb {
 108     u64   aio_data;
 109     u32   aio_key_or_aio_reserved1; // Simply crazy.
 110     u32   aio_reserved1_or_aio_key; // Luckily, we don't need these.
 111     u16   aio_lio_opcode;
 112     s16   aio_reqprio;
 113     u32   aio_fildes;
 114     u64   aio_buf;
 115     u64   aio_nbytes;
 116     s64   aio_offset;
 117     u64   aio_reserved2;
 118     u64   aio_reserved3;
 119   };
 120
 121   struct __sanitizer_io_event {
 122     u64 data;
 123     u64 obj;
 124     u64 res;
 125     u64 res2;
 126   };
 127
 128   const unsigned iocb_cmd_pread = 0;
 129   const unsigned iocb_cmd_pwrite = 1;
 130   const unsigned iocb_cmd_preadv = 7;
 131   const unsigned iocb_cmd_pwritev = 8;
 132
 133   struct __sanitizer___sysctl_args {
 134     int *name;
 135     int nlen;
 136     void *oldval;
 137     uptr *oldlenp;
 138     void *newval;
 139     uptr newlen;
 140     unsigned long ___unused[4];
 141   };
 142
 143   const unsigned old_sigset_t_sz = sizeof(unsigned long);
 144 #endif // SANITIZER_LINUX || SANITIZER_FREEBSD
 145
 146 #if SANITIZER_ANDROID
 147   struct __sanitizer_mallinfo {
 148     uptr v[10];
 149   };
 150 #endif
 151
 152 #if SANITIZER_LINUX && !SANITIZER_ANDROID
 153   struct __sanitizer_mallinfo {
 154     int v[10];
 155   };
 156
 157   extern unsigned struct_ustat_sz;
 158   extern unsigned struct_rlimit64_sz;
 159   extern unsigned struct_statvfs64_sz;
 160
 161   struct __sanitizer_ipc_perm {
 162     int __key;
 163     int uid;
 164     int gid;
 165     int cuid;
 166     int cgid;
 167 #ifdef __powerpc__
 168     unsigned mode;
 169     unsigned __seq;
 170     u64 __unused1;
 171     u64 __unused2;
 172 #elif defined(__mips__)
 173     unsigned int mode;
 174     unsigned short __seq;
 175     unsigned short __pad1;
 176     unsigned long __unused1;
 177     unsigned long __unused2;
 178 #else
 179     unsigned short mode;
 180     unsigned short __pad1;
 181     unsigned short __seq;
 182     unsigned short __pad2;
 183 #if defined(__x86_64__) && !defined(_LP64)
 184     u64 __unused1;
 185     u64 __unused2;
 186 #else
 187     unsigned long __unused1;
 188     unsigned long __unused2;
 189 #endif
 190 #endif
 191   };
 192
 193   struct __sanitizer_shmid_ds {
 194     __sanitizer_ipc_perm shm_perm;
 195   #ifndef __powerpc__
 196     uptr shm_segsz;
 197   #elif !defined(__powerpc64__)
 198     uptr __unused0;
 199   #endif
 200   #if defined(__x86_64__) && !defined(_LP64)
 201     u64 shm_atime;
 202     u64 shm_dtime;
 203     u64 shm_ctime;
 204   #else
 205     uptr shm_atime;
 206   #if !defined(_LP64) && !defined(__mips__)
 207     uptr __unused1;
 208   #endif
 209     uptr shm_dtime;
 210   #if !defined(_LP64) && !defined(__mips__)
 211     uptr __unused2;
 212   #endif
 213     uptr shm_ctime;
 214   #if !defined(_LP64) && !defined(__mips__)
 215     uptr __unused3;
 216   #endif
 217   #endif
 218   #ifdef __powerpc__
 219     uptr shm_segsz;
 220   #endif
 221     int shm_cpid;
 222     int shm_lpid;
 223   #if defined(__x86_64__) && !defined(_LP64)
 224     u64 shm_nattch;
 225     u64 __unused4;
 226     u64 __unused5;
 227   #else
 228     uptr shm_nattch;
 229     uptr __unused4;
 230     uptr __unused5;
 231   #endif
 232   };
 233 #elif SANITIZER_FREEBSD
 234   struct __sanitizer_ipc_perm {
 235     unsigned int cuid;
 236     unsigned int cgid;
 237     unsigned int uid;
 238     unsigned int gid;
 239     unsigned short mode;
 240     unsigned short seq;
 241     long key;
 242   };
 243
 244   struct __sanitizer_shmid_ds {
 245     __sanitizer_ipc_perm shm_perm;
 246     unsigned long shm_segsz;
 247     unsigned int shm_lpid;
 248     unsigned int shm_cpid;
 249     int shm_nattch;
 250     unsigned long shm_atime;
 251     unsigned long shm_dtime;
 252     unsigned long shm_ctime;
 253   };
 254 #endif
 255
 256 #if (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
 257   extern unsigned struct_msqid_ds_sz;
 258   extern unsigned struct_mq_attr_sz;
 259   extern unsigned struct_timex_sz;
 260   extern unsigned struct_statvfs_sz;
 261 #endif  // (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
 262
 263   struct __sanitizer_iovec {
 264     void *iov_base;
 265     uptr iov_len;
 266   };
 267
 268 #if !SANITIZER_ANDROID
 269   struct __sanitizer_ifaddrs {
 270     struct __sanitizer_ifaddrs *ifa_next;
 271     char *ifa_name;
 272     unsigned int ifa_flags;
 273     void *ifa_addr;    // (struct sockaddr *)
 274     void *ifa_netmask; // (struct sockaddr *)
 275     // This is a union on Linux.
 276 # ifdef ifa_dstaddr
 277 # undef ifa_dstaddr
 278 # endif
 279     void *ifa_dstaddr; // (struct sockaddr *)
 280     void *ifa_data;
 281   };
 282 #endif  // !SANITIZER_ANDROID
 283
 284 #if SANITIZER_MAC
 285   typedef unsigned long __sanitizer_pthread_key_t;
 286 #else
 287   typedef unsigned __sanitizer_pthread_key_t;
 288 #endif
 289
 290 #if SANITIZER_LINUX && !SANITIZER_ANDROID
 291
 292   struct __sanitizer_XDR {
 293     int x_op;
 294     void *x_ops;
 295     uptr x_public;
 296     uptr x_private;
 297     uptr x_base;
 298     unsigned x_handy;
 299   };
 300
 301   const int __sanitizer_XDR_ENCODE = 0;
 302   const int __sanitizer_XDR_DECODE = 1;
 303   const int __sanitizer_XDR_FREE = 2;
 304 #endif
 305
 306   struct __sanitizer_passwd {
 307     char *pw_name;
 308     char *pw_passwd;
 309     int pw_uid;
 310     int pw_gid;
 311 #if SANITIZER_MAC || SANITIZER_FREEBSD
 312     long pw_change;
 313     char *pw_class;
 314 #endif
 315 #if !SANITIZER_ANDROID
 316     char *pw_gecos;
 317 #endif
 318     char *pw_dir;
 319     char *pw_shell;
 320 #if SANITIZER_MAC || SANITIZER_FREEBSD
 321     long pw_expire;
 322 #endif
 323 #if SANITIZER_FREEBSD
 324     int pw_fields;
 325 #endif
 326   };
 327
 328   struct __sanitizer_group {
 329     char *gr_name;
 330     char *gr_passwd;
 331     int gr_gid;
 332     char **gr_mem;
 333   };
 334
 335 #if defined(__x86_64__) && !defined(_LP64)
 336   typedef long long __sanitizer_time_t;
 337 #else
 338   typedef long __sanitizer_time_t;
 339 #endif
 340
 341   struct __sanitizer_timeb {
 342     __sanitizer_time_t time;
 343     unsigned short millitm;
 344     short timezone;
 345     short dstflag;
 346   };
 347
 348   struct __sanitizer_ether_addr {
 349     u8 octet[6];
 350   };
 351
 352   struct __sanitizer_tm {
 353     int tm_sec;
 354     int tm_min;
 355     int tm_hour;
 356     int tm_mday;
 357     int tm_mon;
 358     int tm_year;
 359     int tm_wday;
 360     int tm_yday;
 361     int tm_isdst;
 362     long int tm_gmtoff;
 363     const char *tm_zone;
 364   };
 365
 366 #if SANITIZER_LINUX
 367   struct __sanitizer_mntent {
 368     char *mnt_fsname;
 369     char *mnt_dir;
 370     char *mnt_type;
 371     char *mnt_opts;
 372     int mnt_freq;
 373     int mnt_passno;
 374   };
 375 #endif
 376
 377 #if SANITIZER_ANDROID || SANITIZER_MAC || SANITIZER_FREEBSD
 378   struct __sanitizer_msghdr {
 379     void *msg_name;
 380     unsigned msg_namelen;
 381     struct __sanitizer_iovec *msg_iov;
 382     unsigned msg_iovlen;
 383     void *msg_control;
 384     unsigned msg_controllen;
 385     int msg_flags;
 386   };
 387   struct __sanitizer_cmsghdr {
 388     unsigned cmsg_len;
 389     int cmsg_level;
 390     int cmsg_type;
 391   };
 392 #else
 393   struct __sanitizer_msghdr {
 394     void *msg_name;
 395     unsigned msg_namelen;
 396     struct __sanitizer_iovec *msg_iov;
 397     uptr msg_iovlen;
 398     void *msg_control;
 399     uptr msg_controllen;
 400     int msg_flags;
 401   };
 402   struct __sanitizer_cmsghdr {
 403     uptr cmsg_len;
 404     int cmsg_level;
 405     int cmsg_type;
 406   };
 407 #endif
 408
 409 #if SANITIZER_MAC
 410   struct __sanitizer_dirent {
 411     unsigned long long d_ino;
 412     unsigned long long d_seekoff;
 413     unsigned short d_reclen;
 414     // more fields that we don't care about
 415   };
 416 #elif SANITIZER_FREEBSD
 417   struct __sanitizer_dirent {
 418     unsigned int d_fileno;
 419     unsigned short d_reclen;
 420     // more fields that we don't care about
 421   };
 422 #elif SANITIZER_ANDROID || defined(__x86_64__)
 423   struct __sanitizer_dirent {
 424     unsigned long long d_ino;
 425     unsigned long long d_off;
 426     unsigned short d_reclen;
 427     // more fields that we don't care about
 428   };
 429 #else
 430   struct __sanitizer_dirent {
 431     uptr d_ino;
 432     uptr d_off;
 433     unsigned short d_reclen;
 434     // more fields that we don't care about
 435   };
 436 #endif
 437
 438 #if SANITIZER_LINUX && !SANITIZER_ANDROID
 439   struct __sanitizer_dirent64 {
 440     unsigned long long d_ino;
 441     unsigned long long d_off;
 442     unsigned short d_reclen;
 443     // more fields that we don't care about
 444   };
 445 #endif
 446
 447 // 'clock_t' is 32 bits wide on x64 FreeBSD
 448 #if SANITIZER_FREEBSD
 449   typedef int __sanitizer_clock_t;
 450 #elif defined(__x86_64__) && !defined(_LP64)
 451   typedef long long __sanitizer_clock_t;
 452 #else
 453   typedef long __sanitizer_clock_t;
 454 #endif
 455
 456 #if SANITIZER_LINUX
 457   typedef int __sanitizer_clockid_t;
 458 #endif
 459
 460 #if SANITIZER_LINUX || SANITIZER_FREEBSD
 461 #if defined(_LP64) || defined(__x86_64__) || defined(__powerpc__)\
 462                    || defined(__mips__)
 463   typedef unsigned __sanitizer___kernel_uid_t;
 464   typedef unsigned __sanitizer___kernel_gid_t;
 465 #else
 466   typedef unsigned short __sanitizer___kernel_uid_t;
 467   typedef unsigned short __sanitizer___kernel_gid_t;
 468 #endif
 469 #if defined(__x86_64__) && !defined(_LP64)
 470   typedef long long __sanitizer___kernel_off_t;
 471 #else
 472   typedef long __sanitizer___kernel_off_t;
 473 #endif
 474
 475 #if defined(__powerpc__) || defined(__aarch64__) || defined(__mips__)
 476   typedef unsigned int __sanitizer___kernel_old_uid_t;
 477   typedef unsigned int __sanitizer___kernel_old_gid_t;
 478 #else
 479   typedef unsigned short __sanitizer___kernel_old_uid_t;
 480   typedef unsigned short __sanitizer___kernel_old_gid_t;
 481 #endif
 482
 483   typedef long long __sanitizer___kernel_loff_t;
 484   typedef struct {
 485     unsigned long fds_bits[1024 / (8 * sizeof(long))];
 486   } __sanitizer___kernel_fd_set;
 487 #endif
 488
 489   // This thing depends on the platform. We are only interested in the upper
 490   // limit. Verified with a compiler assert in .cc.
 491   const int pthread_attr_t_max_sz = 128;
 492   union __sanitizer_pthread_attr_t {
 493     char size[pthread_attr_t_max_sz]; // NOLINT
 494     void *align;
 495   };
 496
 497 #if SANITIZER_ANDROID
 498   typedef unsigned long __sanitizer_sigset_t;
 499 #elif SANITIZER_MAC
 500   typedef unsigned __sanitizer_sigset_t;
 501 #elif SANITIZER_LINUX
 502   struct __sanitizer_sigset_t {
 503     // The size is determined by looking at sizeof of real sigset_t on linux.
 504     uptr val[128 / sizeof(uptr)];
 505   };
 506 #elif SANITIZER_FREEBSD
 507   struct __sanitizer_sigset_t {
 508      // uint32_t * 4
 509      unsigned int __bits[4];
 510   };
 511 #endif
 512
 513   // Linux system headers define the 'sa_handler' and 'sa_sigaction' macros.
 514   struct __sanitizer_sigaction {
 515 #if defined(__mips__) && !SANITIZER_FREEBSD
 516     unsigned int sa_flags;
 517 #endif
 518     union {
 519       void (*sigaction)(int sig, void *siginfo, void *uctx);
 520       void (*handler)(int sig);
 521     };
 522 #if SANITIZER_FREEBSD
 523     int sa_flags;
 524     __sanitizer_sigset_t sa_mask;
 525 #else
 526     __sanitizer_sigset_t sa_mask;
 527 #ifndef __mips__
 528     int sa_flags;
 529 #endif
 530 #endif
 531 #if SANITIZER_LINUX
 532     void (*sa_restorer)();
 533 #endif
 534 #if defined(__mips__) && (SANITIZER_WORDSIZE == 32)
 535     int sa_resv[1];
 536 #endif
 537   };
 538
 539 #if SANITIZER_FREEBSD
 540   typedef __sanitizer_sigset_t __sanitizer_kernel_sigset_t;
 541 #else
 542   struct __sanitizer_kernel_sigset_t {
 543     u8 sig[8];
 544   };
 545 #endif
 546
 547   // Linux system headers define the 'sa_handler' and 'sa_sigaction' macros.
 548   struct __sanitizer_kernel_sigaction_t {
 549     union {
 550       void (*handler)(int signo);
 551       void (*sigaction)(int signo, void *info, void *ctx);
 552     };
 553     unsigned long sa_flags;
 554     void (*sa_restorer)(void);
 555     __sanitizer_kernel_sigset_t sa_mask;
 556   };
 557
 558   extern uptr sig_ign;
 559   extern uptr sig_dfl;
 560   extern uptr sa_siginfo;
 561
 562 #if SANITIZER_LINUX
 563   extern int e_tabsz;
 564 #endif
 565
 566   extern int af_inet;
 567   extern int af_inet6;
 568   uptr __sanitizer_in_addr_sz(int af);
 569
 570 #if SANITIZER_LINUX || SANITIZER_FREEBSD
 571   struct __sanitizer_dl_phdr_info {
 572     uptr dlpi_addr;
 573     const char *dlpi_name;
 574     const void *dlpi_phdr;
 575     short dlpi_phnum;
 576   };
 577 #endif
 578
 579   struct __sanitizer_addrinfo {
 580     int ai_flags;
 581     int ai_family;
 582     int ai_socktype;
 583     int ai_protocol;
 584 #if SANITIZER_ANDROID || SANITIZER_MAC || SANITIZER_FREEBSD
 585     unsigned ai_addrlen;
 586     char *ai_canonname;
 587     void *ai_addr;
 588 #else // LINUX
 589     unsigned ai_addrlen;
 590     void *ai_addr;
 591     char *ai_canonname;
 592 #endif
 593     struct __sanitizer_addrinfo *ai_next;
 594   };
 595
 596   struct __sanitizer_hostent {
 597     char *h_name;
 598     char **h_aliases;
 599     int h_addrtype;
 600     int h_length;
 601     char **h_addr_list;
 602   };
 603
 604   struct __sanitizer_pollfd {
 605     int fd;
 606     short events;
 607     short revents;
 608   };
 609
 610 #if SANITIZER_ANDROID || SANITIZER_MAC || SANITIZER_FREEBSD
 611   typedef unsigned __sanitizer_nfds_t;
 612 #else
 613   typedef unsigned long __sanitizer_nfds_t;
 614 #endif
 615
 616 #if !SANITIZER_ANDROID
 617 # if SANITIZER_LINUX
 618   struct __sanitizer_glob_t {
 619     uptr gl_pathc;
 620     char **gl_pathv;
 621     uptr gl_offs;
 622     int gl_flags;
 623
 624     void (*gl_closedir)(void *dirp);
 625     void *(*gl_readdir)(void *dirp);
 626     void *(*gl_opendir)(const char *);
 627     int (*gl_lstat)(const char *, void *);
 628     int (*gl_stat)(const char *, void *);
 629   };
 630 # elif SANITIZER_FREEBSD
 631   struct __sanitizer_glob_t {
 632     uptr gl_pathc;
 633     uptr gl_matchc;
 634     uptr gl_offs;
 635     int gl_flags;
 636     char **gl_pathv;
 637     int (*gl_errfunc)(const char*, int);
 638     void (*gl_closedir)(void *dirp);
 639     struct dirent *(*gl_readdir)(void *dirp);
 640     void *(*gl_opendir)(const char*);
 641     int (*gl_lstat)(const char*, void* /* struct stat* */);
 642     int (*gl_stat)(const char*, void* /* struct stat* */);
 643   };
 644 # endif  // SANITIZER_FREEBSD
 645
 646 # if SANITIZER_LINUX || SANITIZER_FREEBSD
 647   extern int glob_nomatch;
 648   extern int glob_altdirfunc;
 649 # endif
 650 #endif  // !SANITIZER_ANDROID
 651
 652   extern unsigned path_max;
 653
 654   struct __sanitizer_wordexp_t {
 655     uptr we_wordc;
 656     char **we_wordv;
 657     uptr we_offs;
 658 #if SANITIZER_FREEBSD
 659     char *we_strings;
 660     uptr we_nbytes;
 661 #endif
 662   };
 663
 664 #if SANITIZER_LINUX && !SANITIZER_ANDROID
 665   struct __sanitizer_FILE {
 666     int _flags;
 667     char *_IO_read_ptr;
 668     char *_IO_read_end;
 669     char *_IO_read_base;
 670     char *_IO_write_base;
 671     char *_IO_write_ptr;
 672     char *_IO_write_end;
 673     char *_IO_buf_base;
 674     char *_IO_buf_end;
 675     char *_IO_save_base;
 676     char *_IO_backup_base;
 677     char *_IO_save_end;
 678     void *_markers;
 679     __sanitizer_FILE *_chain;
 680     int _fileno;
 681   };
 682 # define SANITIZER_HAS_STRUCT_FILE 1
 683 #else
 684   typedef void __sanitizer_FILE;
 685 # define SANITIZER_HAS_STRUCT_FILE 0
 686 #endif
 687
 688 #if SANITIZER_LINUX && !SANITIZER_ANDROID && \
 689     (defined(__i386) || defined(__x86_64))
 690   extern unsigned struct_user_regs_struct_sz;
 691   extern unsigned struct_user_fpregs_struct_sz;
 692   extern unsigned struct_user_fpxregs_struct_sz;
 693
 694   extern int ptrace_peektext;
 695   extern int ptrace_peekdata;
 696   extern int ptrace_peekuser;
 697   extern int ptrace_getregs;
 698   extern int ptrace_setregs;
 699   extern int ptrace_getfpregs;
 700   extern int ptrace_setfpregs;
 701   extern int ptrace_getfpxregs;
 702   extern int ptrace_setfpxregs;
 703   extern int ptrace_getsiginfo;
 704   extern int ptrace_setsiginfo;
 705   extern int ptrace_getregset;
 706   extern int ptrace_setregset;
 707   extern int ptrace_geteventmsg;
 708 #endif
 709
 710 #if (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
 711   extern unsigned struct_shminfo_sz;
 712   extern unsigned struct_shm_info_sz;
 713   extern int shmctl_ipc_stat;
 714   extern int shmctl_ipc_info;
 715   extern int shmctl_shm_info;
 716   extern int shmctl_shm_stat;
 717 #endif
 718
 719   extern int map_fixed;
 720
 721   // ioctl arguments
 722   struct __sanitizer_ifconf {
 723     int ifc_len;
 724     union {
 725       void *ifcu_req;
 726     } ifc_ifcu;
 727 #if SANITIZER_MAC
 728   } __attribute__((packed));
 729 #else
 730   };
 731 #endif
 732
 733 #if SANITIZER_LINUX && !SANITIZER_ANDROID
 734 struct __sanitizer__obstack_chunk {
 735   char *limit;
 736   struct __sanitizer__obstack_chunk *prev;
 737 };
 738
 739 struct __sanitizer_obstack {
 740   long chunk_size;
 741   struct __sanitizer__obstack_chunk *chunk;
 742   char *object_base;
 743   char *next_free;
 744   uptr more_fields[7];
 745 };
 746 #endif
 747
 748 #define IOC_NRBITS 8
 749 #define IOC_TYPEBITS 8
 750 #if defined(__powerpc__) || defined(__powerpc64__) || defined(__mips__)
 751 #define IOC_SIZEBITS 13
 752 #define IOC_DIRBITS 3
 753 #define IOC_NONE 1U
 754 #define IOC_WRITE 4U
 755 #define IOC_READ 2U
 756 #else
 757 #define IOC_SIZEBITS 14
 758 #define IOC_DIRBITS 2
 759 #define IOC_NONE 0U
 760 #define IOC_WRITE 1U
 761 #define IOC_READ 2U
 762 #endif
 763 #define IOC_NRMASK ((1 << IOC_NRBITS) - 1)
 764 #define IOC_TYPEMASK ((1 << IOC_TYPEBITS) - 1)
 765 #define IOC_SIZEMASK ((1 << IOC_SIZEBITS) - 1)
 766 #if defined(IOC_DIRMASK)
 767 #undef IOC_DIRMASK
 768 #endif
 769 #define IOC_DIRMASK ((1 << IOC_DIRBITS) - 1)
 770 #define IOC_NRSHIFT 0
 771 #define IOC_TYPESHIFT (IOC_NRSHIFT + IOC_NRBITS)
 772 #define IOC_SIZESHIFT (IOC_TYPESHIFT + IOC_TYPEBITS)
 773 #define IOC_DIRSHIFT (IOC_SIZESHIFT + IOC_SIZEBITS)
 774 #define EVIOC_EV_MAX 0x1f
 775 #define EVIOC_ABS_MAX 0x3f
 776
 777 #define IOC_DIR(nr) (((nr) >> IOC_DIRSHIFT) & IOC_DIRMASK)
 778 #define IOC_TYPE(nr) (((nr) >> IOC_TYPESHIFT) & IOC_TYPEMASK)
 779 #define IOC_NR(nr) (((nr) >> IOC_NRSHIFT) & IOC_NRMASK)
 780 #define IOC_SIZE(nr) (((nr) >> IOC_SIZESHIFT) & IOC_SIZEMASK)
 781
 782   extern unsigned struct_arpreq_sz;
 783   extern unsigned struct_ifreq_sz;
 784   extern unsigned struct_termios_sz;
 785   extern unsigned struct_winsize_sz;
 786
 787 #if SANITIZER_LINUX
 788   extern unsigned struct_cdrom_msf_sz;
 789   extern unsigned struct_cdrom_multisession_sz;
 790   extern unsigned struct_cdrom_read_audio_sz;
 791   extern unsigned struct_cdrom_subchnl_sz;
 792   extern unsigned struct_cdrom_ti_sz;
 793   extern unsigned struct_cdrom_tocentry_sz;
 794   extern unsigned struct_cdrom_tochdr_sz;
 795   extern unsigned struct_cdrom_volctrl_sz;
 796   extern unsigned struct_ff_effect_sz;
 797   extern unsigned struct_floppy_drive_params_sz;
 798   extern unsigned struct_floppy_drive_struct_sz;
 799   extern unsigned struct_floppy_fdc_state_sz;
 800   extern unsigned struct_floppy_max_errors_sz;
 801   extern unsigned struct_floppy_raw_cmd_sz;
 802   extern unsigned struct_floppy_struct_sz;
 803   extern unsigned struct_floppy_write_errors_sz;
 804   extern unsigned struct_format_descr_sz;
 805   extern unsigned struct_hd_driveid_sz;
 806   extern unsigned struct_hd_geometry_sz;
 807   extern unsigned struct_input_absinfo_sz;
 808   extern unsigned struct_input_id_sz;
 809   extern unsigned struct_mtpos_sz;
 810   extern unsigned struct_termio_sz;
 811   extern unsigned struct_vt_consize_sz;
 812   extern unsigned struct_vt_sizes_sz;
 813   extern unsigned struct_vt_stat_sz;
 814 #endif  // SANITIZER_LINUX
 815
 816 #if SANITIZER_LINUX || SANITIZER_FREEBSD
 817   extern unsigned struct_copr_buffer_sz;
 818   extern unsigned struct_copr_debug_buf_sz;
 819   extern unsigned struct_copr_msg_sz;
 820   extern unsigned struct_midi_info_sz;
 821   extern unsigned struct_mtget_sz;
 822   extern unsigned struct_mtop_sz;
 823   extern unsigned struct_rtentry_sz;
 824   extern unsigned struct_sbi_instrument_sz;
 825   extern unsigned struct_seq_event_rec_sz;
 826   extern unsigned struct_synth_info_sz;
 827   extern unsigned struct_vt_mode_sz;
 828 #endif // SANITIZER_LINUX || SANITIZER_FREEBSD
 829
 830 #if SANITIZER_LINUX && !SANITIZER_ANDROID
 831   extern unsigned struct_ax25_parms_struct_sz;
 832   extern unsigned struct_cyclades_monitor_sz;
 833   extern unsigned struct_input_keymap_entry_sz;
 834   extern unsigned struct_ipx_config_data_sz;
 835   extern unsigned struct_kbdiacrs_sz;
 836   extern unsigned struct_kbentry_sz;
 837   extern unsigned struct_kbkeycode_sz;
 838   extern unsigned struct_kbsentry_sz;
 839   extern unsigned struct_mtconfiginfo_sz;
 840   extern unsigned struct_nr_parms_struct_sz;
 841   extern unsigned struct_scc_modem_sz;
 842   extern unsigned struct_scc_stat_sz;
 843   extern unsigned struct_serial_multiport_struct_sz;
 844   extern unsigned struct_serial_struct_sz;
 845   extern unsigned struct_sockaddr_ax25_sz;
 846   extern unsigned struct_unimapdesc_sz;
 847   extern unsigned struct_unimapinit_sz;
 848 #endif  // SANITIZER_LINUX && !SANITIZER_ANDROID
 849
 850 #if (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
 851   extern unsigned struct_audio_buf_info_sz;
 852   extern unsigned struct_ppp_stats_sz;
 853 #endif  // (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
 854
 855 #if !SANITIZER_ANDROID && !SANITIZER_MAC
 856   extern unsigned struct_sioc_sg_req_sz;
 857   extern unsigned struct_sioc_vif_req_sz;
 858 #endif
 859
 860   // ioctl request identifiers
 861
 862   // A special value to mark ioctls that are not present on the target platform,
 863   // when it can not be determined without including any system headers.
 864   extern unsigned IOCTL_NOT_PRESENT;
 865
 866   extern unsigned IOCTL_FIOASYNC;
 867   extern unsigned IOCTL_FIOCLEX;
 868   extern unsigned IOCTL_FIOGETOWN;
 869   extern unsigned IOCTL_FIONBIO;
 870   extern unsigned IOCTL_FIONCLEX;
 871   extern unsigned IOCTL_FIOSETOWN;
 872   extern unsigned IOCTL_SIOCADDMULTI;
 873   extern unsigned IOCTL_SIOCATMARK;
 874   extern unsigned IOCTL_SIOCDELMULTI;
 875   extern unsigned IOCTL_SIOCGIFADDR;
 876   extern unsigned IOCTL_SIOCGIFBRDADDR;
 877   extern unsigned IOCTL_SIOCGIFCONF;
 878   extern unsigned IOCTL_SIOCGIFDSTADDR;
 879   extern unsigned IOCTL_SIOCGIFFLAGS;
 880   extern unsigned IOCTL_SIOCGIFMETRIC;
 881   extern unsigned IOCTL_SIOCGIFMTU;
 882   extern unsigned IOCTL_SIOCGIFNETMASK;
 883   extern unsigned IOCTL_SIOCGPGRP;
 884   extern unsigned IOCTL_SIOCSIFADDR;
 885   extern unsigned IOCTL_SIOCSIFBRDADDR;
 886   extern unsigned IOCTL_SIOCSIFDSTADDR;
 887   extern unsigned IOCTL_SIOCSIFFLAGS;
 888   extern unsigned IOCTL_SIOCSIFMETRIC;
 889   extern unsigned IOCTL_SIOCSIFMTU;
 890   extern unsigned IOCTL_SIOCSIFNETMASK;
 891   extern unsigned IOCTL_SIOCSPGRP;
 892   extern unsigned IOCTL_TIOCCONS;
 893   extern unsigned IOCTL_TIOCEXCL;
 894   extern unsigned IOCTL_TIOCGETD;
 895   extern unsigned IOCTL_TIOCGPGRP;
 896   extern unsigned IOCTL_TIOCGWINSZ;
 897   extern unsigned IOCTL_TIOCMBIC;
 898   extern unsigned IOCTL_TIOCMBIS;
 899   extern unsigned IOCTL_TIOCMGET;
 900   extern unsigned IOCTL_TIOCMSET;
 901   extern unsigned IOCTL_TIOCNOTTY;
 902   extern unsigned IOCTL_TIOCNXCL;
 903   extern unsigned IOCTL_TIOCOUTQ;
 904   extern unsigned IOCTL_TIOCPKT;
 905   extern unsigned IOCTL_TIOCSCTTY;
 906   extern unsigned IOCTL_TIOCSETD;
 907   extern unsigned IOCTL_TIOCSPGRP;
 908   extern unsigned IOCTL_TIOCSTI;
 909   extern unsigned IOCTL_TIOCSWINSZ;
 910 #if (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
 911   extern unsigned IOCTL_SIOCGETSGCNT;
 912   extern unsigned IOCTL_SIOCGETVIFCNT;
 913 #endif
 914 #if SANITIZER_LINUX
 915   extern unsigned IOCTL_EVIOCGABS;
 916   extern unsigned IOCTL_EVIOCGBIT;
 917   extern unsigned IOCTL_EVIOCGEFFECTS;
 918   extern unsigned IOCTL_EVIOCGID;
 919   extern unsigned IOCTL_EVIOCGKEY;
 920   extern unsigned IOCTL_EVIOCGKEYCODE;
 921   extern unsigned IOCTL_EVIOCGLED;
 922   extern unsigned IOCTL_EVIOCGNAME;
 923   extern unsigned IOCTL_EVIOCGPHYS;
 924   extern unsigned IOCTL_EVIOCGRAB;
 925   extern unsigned IOCTL_EVIOCGREP;
 926   extern unsigned IOCTL_EVIOCGSND;
 927   extern unsigned IOCTL_EVIOCGSW;
 928   extern unsigned IOCTL_EVIOCGUNIQ;
 929   extern unsigned IOCTL_EVIOCGVERSION;
 930   extern unsigned IOCTL_EVIOCRMFF;
 931   extern unsigned IOCTL_EVIOCSABS;
 932   extern unsigned IOCTL_EVIOCSFF;
 933   extern unsigned IOCTL_EVIOCSKEYCODE;
 934   extern unsigned IOCTL_EVIOCSREP;
 935   extern unsigned IOCTL_BLKFLSBUF;
 936   extern unsigned IOCTL_BLKGETSIZE;
 937   extern unsigned IOCTL_BLKRAGET;
 938   extern unsigned IOCTL_BLKRASET;
 939   extern unsigned IOCTL_BLKROGET;
 940   extern unsigned IOCTL_BLKROSET;
 941   extern unsigned IOCTL_BLKRRPART;
 942   extern unsigned IOCTL_CDROMAUDIOBUFSIZ;
 943   extern unsigned IOCTL_CDROMEJECT;
 944   extern unsigned IOCTL_CDROMEJECT_SW;
 945   extern unsigned IOCTL_CDROMMULTISESSION;
 946   extern unsigned IOCTL_CDROMPAUSE;
 947   extern unsigned IOCTL_CDROMPLAYMSF;
 948   extern unsigned IOCTL_CDROMPLAYTRKIND;
 949   extern unsigned IOCTL_CDROMREADAUDIO;
 950   extern unsigned IOCTL_CDROMREADCOOKED;
 951   extern unsigned IOCTL_CDROMREADMODE1;
 952   extern unsigned IOCTL_CDROMREADMODE2;
 953   extern unsigned IOCTL_CDROMREADRAW;
 954   extern unsigned IOCTL_CDROMREADTOCENTRY;
 955   extern unsigned IOCTL_CDROMREADTOCHDR;
 956   extern unsigned IOCTL_CDROMRESET;
 957   extern unsigned IOCTL_CDROMRESUME;
 958   extern unsigned IOCTL_CDROMSEEK;
 959   extern unsigned IOCTL_CDROMSTART;
 960   extern unsigned IOCTL_CDROMSTOP;
 961   extern unsigned IOCTL_CDROMSUBCHNL;
 962   extern unsigned IOCTL_CDROMVOLCTRL;
 963   extern unsigned IOCTL_CDROMVOLREAD;
 964   extern unsigned IOCTL_CDROM_GET_UPC;
 965   extern unsigned IOCTL_FDCLRPRM;
 966   extern unsigned IOCTL_FDDEFPRM;
 967   extern unsigned IOCTL_FDFLUSH;
 968   extern unsigned IOCTL_FDFMTBEG;
 969   extern unsigned IOCTL_FDFMTEND;
 970   extern unsigned IOCTL_FDFMTTRK;
 971   extern unsigned IOCTL_FDGETDRVPRM;
 972   extern unsigned IOCTL_FDGETDRVSTAT;
 973   extern unsigned IOCTL_FDGETDRVTYP;
 974   extern unsigned IOCTL_FDGETFDCSTAT;
 975   extern unsigned IOCTL_FDGETMAXERRS;
 976   extern unsigned IOCTL_FDGETPRM;
 977   extern unsigned IOCTL_FDMSGOFF;
 978   extern unsigned IOCTL_FDMSGON;
 979   extern unsigned IOCTL_FDPOLLDRVSTAT;
 980   extern unsigned IOCTL_FDRAWCMD;
 981   extern unsigned IOCTL_FDRESET;
 982   extern unsigned IOCTL_FDSETDRVPRM;
 983   extern unsigned IOCTL_FDSETEMSGTRESH;
 984   extern unsigned IOCTL_FDSETMAXERRS;
 985   extern unsigned IOCTL_FDSETPRM;
 986   extern unsigned IOCTL_FDTWADDLE;
 987   extern unsigned IOCTL_FDWERRORCLR;
 988   extern unsigned IOCTL_FDWERRORGET;
 989   extern unsigned IOCTL_HDIO_DRIVE_CMD;
 990   extern unsigned IOCTL_HDIO_GETGEO;
 991   extern unsigned IOCTL_HDIO_GET_32BIT;
 992   extern unsigned IOCTL_HDIO_GET_DMA;
 993   extern unsigned IOCTL_HDIO_GET_IDENTITY;
 994   extern unsigned IOCTL_HDIO_GET_KEEPSETTINGS;
 995   extern unsigned IOCTL_HDIO_GET_MULTCOUNT;
 996   extern unsigned IOCTL_HDIO_GET_NOWERR;
 997   extern unsigned IOCTL_HDIO_GET_UNMASKINTR;
 998   extern unsigned IOCTL_HDIO_SET_32BIT;
 999   extern unsigned IOCTL_HDIO_SET_DMA;
1000   extern unsigned IOCTL_HDIO_SET_KEEPSETTINGS;
1001   extern unsigned IOCTL_HDIO_SET_MULTCOUNT;
1002   extern unsigned IOCTL_HDIO_SET_NOWERR;
1003   extern unsigned IOCTL_HDIO_SET_UNMASKINTR;
1004   extern unsigned IOCTL_MTIOCPOS;
1005   extern unsigned IOCTL_PPPIOCGASYNCMAP;
1006   extern unsigned IOCTL_PPPIOCGDEBUG;
1007   extern unsigned IOCTL_PPPIOCGFLAGS;
1008   extern unsigned IOCTL_PPPIOCGUNIT;
1009   extern unsigned IOCTL_PPPIOCGXASYNCMAP;
1010   extern unsigned IOCTL_PPPIOCSASYNCMAP;
1011   extern unsigned IOCTL_PPPIOCSDEBUG;
1012   extern unsigned IOCTL_PPPIOCSFLAGS;
1013   extern unsigned IOCTL_PPPIOCSMAXCID;
1014   extern unsigned IOCTL_PPPIOCSMRU;
1015   extern unsigned IOCTL_PPPIOCSXASYNCMAP;
1016   extern unsigned IOCTL_SIOCDARP;
1017   extern unsigned IOCTL_SIOCDRARP;
1018   extern unsigned IOCTL_SIOCGARP;
1019   extern unsigned IOCTL_SIOCGIFENCAP;
1020   extern unsigned IOCTL_SIOCGIFHWADDR;
1021   extern unsigned IOCTL_SIOCGIFMAP;
1022   extern unsigned IOCTL_SIOCGIFMEM;
1023   extern unsigned IOCTL_SIOCGIFNAME;
1024   extern unsigned IOCTL_SIOCGIFSLAVE;
1025   extern unsigned IOCTL_SIOCGRARP;
1026   extern unsigned IOCTL_SIOCGSTAMP;
1027   extern unsigned IOCTL_SIOCSARP;
1028   extern unsigned IOCTL_SIOCSIFENCAP;
1029   extern unsigned IOCTL_SIOCSIFHWADDR;
1030   extern unsigned IOCTL_SIOCSIFLINK;
1031   extern unsigned IOCTL_SIOCSIFMAP;
1032   extern unsigned IOCTL_SIOCSIFMEM;
1033   extern unsigned IOCTL_SIOCSIFSLAVE;
1034   extern unsigned IOCTL_SIOCSRARP;
1035   extern unsigned IOCTL_SNDCTL_COPR_HALT;
1036   extern unsigned IOCTL_SNDCTL_COPR_LOAD;
1037   extern unsigned IOCTL_SNDCTL_COPR_RCODE;
1038   extern unsigned IOCTL_SNDCTL_COPR_RCVMSG;
1039   extern unsigned IOCTL_SNDCTL_COPR_RDATA;
1040   extern unsigned IOCTL_SNDCTL_COPR_RESET;
1041   extern unsigned IOCTL_SNDCTL_COPR_RUN;
1042   extern unsigned IOCTL_SNDCTL_COPR_SENDMSG;
1043   extern unsigned IOCTL_SNDCTL_COPR_WCODE;
1044   extern unsigned IOCTL_SNDCTL_COPR_WDATA;
1045   extern unsigned IOCTL_TCFLSH;
1046   extern unsigned IOCTL_TCGETA;
1047   extern unsigned IOCTL_TCGETS;
1048   extern unsigned IOCTL_TCSBRK;
1049   extern unsigned IOCTL_TCSBRKP;
1050   extern unsigned IOCTL_TCSETA;
1051   extern unsigned IOCTL_TCSETAF;
1052   extern unsigned IOCTL_TCSETAW;
1053   extern unsigned IOCTL_TCSETS;
1054   extern unsigned IOCTL_TCSETSF;
1055   extern unsigned IOCTL_TCSETSW;
1056   extern unsigned IOCTL_TCXONC;
1057   extern unsigned IOCTL_TIOCGLCKTRMIOS;
1058   extern unsigned IOCTL_TIOCGSOFTCAR;
1059   extern unsigned IOCTL_TIOCINQ;
1060   extern unsigned IOCTL_TIOCLINUX;
1061   extern unsigned IOCTL_TIOCSERCONFIG;
1062   extern unsigned IOCTL_TIOCSERGETLSR;
1063   extern unsigned IOCTL_TIOCSERGWILD;
1064   extern unsigned IOCTL_TIOCSERSWILD;
1065   extern unsigned IOCTL_TIOCSLCKTRMIOS;
1066   extern unsigned IOCTL_TIOCSSOFTCAR;
1067   extern unsigned IOCTL_VT_DISALLOCATE;
1068   extern unsigned IOCTL_VT_GETSTATE;
1069   extern unsigned IOCTL_VT_RESIZE;
1070   extern unsigned IOCTL_VT_RESIZEX;
1071   extern unsigned IOCTL_VT_SENDSIG;
1072 #endif  // SANITIZER_LINUX
1073 #if SANITIZER_LINUX || SANITIZER_FREEBSD
1074   extern unsigned IOCTL_MTIOCGET;
1075   extern unsigned IOCTL_MTIOCTOP;
1076   extern unsigned IOCTL_SIOCADDRT;
1077   extern unsigned IOCTL_SIOCDELRT;
1078   extern unsigned IOCTL_SNDCTL_DSP_GETBLKSIZE;
1079   extern unsigned IOCTL_SNDCTL_DSP_GETFMTS;
1080   extern unsigned IOCTL_SNDCTL_DSP_NONBLOCK;
1081   extern unsigned IOCTL_SNDCTL_DSP_POST;
1082   extern unsigned IOCTL_SNDCTL_DSP_RESET;
1083   extern unsigned IOCTL_SNDCTL_DSP_SETFMT;
1084   extern unsigned IOCTL_SNDCTL_DSP_SETFRAGMENT;
1085   extern unsigned IOCTL_SNDCTL_DSP_SPEED;
1086   extern unsigned IOCTL_SNDCTL_DSP_STEREO;
1087   extern unsigned IOCTL_SNDCTL_DSP_SUBDIVIDE;
1088   extern unsigned IOCTL_SNDCTL_DSP_SYNC;
1089   extern unsigned IOCTL_SNDCTL_FM_4OP_ENABLE;
1090   extern unsigned IOCTL_SNDCTL_FM_LOAD_INSTR;
1091   extern unsigned IOCTL_SNDCTL_MIDI_INFO;
1092   extern unsigned IOCTL_SNDCTL_MIDI_PRETIME;
1093   extern unsigned IOCTL_SNDCTL_SEQ_CTRLRATE;
1094   extern unsigned IOCTL_SNDCTL_SEQ_GETINCOUNT;
1095   extern unsigned IOCTL_SNDCTL_SEQ_GETOUTCOUNT;
1096   extern unsigned IOCTL_SNDCTL_SEQ_NRMIDIS;
1097   extern unsigned IOCTL_SNDCTL_SEQ_NRSYNTHS;
1098   extern unsigned IOCTL_SNDCTL_SEQ_OUTOFBAND;
1099   extern unsigned IOCTL_SNDCTL_SEQ_PANIC;
1100   extern unsigned IOCTL_SNDCTL_SEQ_PERCMODE;
1101   extern unsigned IOCTL_SNDCTL_SEQ_RESET;
1102   extern unsigned IOCTL_SNDCTL_SEQ_RESETSAMPLES;
1103   extern unsigned IOCTL_SNDCTL_SEQ_SYNC;
1104   extern unsigned IOCTL_SNDCTL_SEQ_TESTMIDI;
1105   extern unsigned IOCTL_SNDCTL_SEQ_THRESHOLD;
1106   extern unsigned IOCTL_SNDCTL_SYNTH_INFO;
1107   extern unsigned IOCTL_SNDCTL_SYNTH_MEMAVL;
1108   extern unsigned IOCTL_SNDCTL_TMR_CONTINUE;
1109   extern unsigned IOCTL_SNDCTL_TMR_METRONOME;
1110   extern unsigned IOCTL_SNDCTL_TMR_SELECT;
1111   extern unsigned IOCTL_SNDCTL_TMR_SOURCE;
1112   extern unsigned IOCTL_SNDCTL_TMR_START;
1113   extern unsigned IOCTL_SNDCTL_TMR_STOP;
1114   extern unsigned IOCTL_SNDCTL_TMR_TEMPO;
1115   extern unsigned IOCTL_SNDCTL_TMR_TIMEBASE;
1116   extern unsigned IOCTL_SOUND_MIXER_READ_ALTPCM;
1117   extern unsigned IOCTL_SOUND_MIXER_READ_BASS;
1118   extern unsigned IOCTL_SOUND_MIXER_READ_CAPS;
1119   extern unsigned IOCTL_SOUND_MIXER_READ_CD;
1120   extern unsigned IOCTL_SOUND_MIXER_READ_DEVMASK;
1121   extern unsigned IOCTL_SOUND_MIXER_READ_ENHANCE;
1122   extern unsigned IOCTL_SOUND_MIXER_READ_IGAIN;
1123   extern unsigned IOCTL_SOUND_MIXER_READ_IMIX;
1124   extern unsigned IOCTL_SOUND_MIXER_READ_LINE1;
1125   extern unsigned IOCTL_SOUND_MIXER_READ_LINE2;
1126   extern unsigned IOCTL_SOUND_MIXER_READ_LINE3;
1127   extern unsigned IOCTL_SOUND_MIXER_READ_LINE;
1128   extern unsigned IOCTL_SOUND_MIXER_READ_LOUD;
1129   extern unsigned IOCTL_SOUND_MIXER_READ_MIC;
1130   extern unsigned IOCTL_SOUND_MIXER_READ_MUTE;
1131   extern unsigned IOCTL_SOUND_MIXER_READ_OGAIN;
1132   extern unsigned IOCTL_SOUND_MIXER_READ_PCM;
1133   extern unsigned IOCTL_SOUND_MIXER_READ_RECLEV;
1134   extern unsigned IOCTL_SOUND_MIXER_READ_RECMASK;
1135   extern unsigned IOCTL_SOUND_MIXER_READ_RECSRC;
1136   extern unsigned IOCTL_SOUND_MIXER_READ_SPEAKER;
1137   extern unsigned IOCTL_SOUND_MIXER_READ_STEREODEVS;
1138   extern unsigned IOCTL_SOUND_MIXER_READ_SYNTH;
1139   extern unsigned IOCTL_SOUND_MIXER_READ_TREBLE;
1140   extern unsigned IOCTL_SOUND_MIXER_READ_VOLUME;
1141   extern unsigned IOCTL_SOUND_MIXER_WRITE_ALTPCM;
1142   extern unsigned IOCTL_SOUND_MIXER_WRITE_BASS;
1143   extern unsigned IOCTL_SOUND_MIXER_WRITE_CD;
1144   extern unsigned IOCTL_SOUND_MIXER_WRITE_ENHANCE;
1145   extern unsigned IOCTL_SOUND_MIXER_WRITE_IGAIN;
1146   extern unsigned IOCTL_SOUND_MIXER_WRITE_IMIX;
1147   extern unsigned IOCTL_SOUND_MIXER_WRITE_LINE1;
1148   extern unsigned IOCTL_SOUND_MIXER_WRITE_LINE2;
1149   extern unsigned IOCTL_SOUND_MIXER_WRITE_LINE3;
1150   extern unsigned IOCTL_SOUND_MIXER_WRITE_LINE;
1151   extern unsigned IOCTL_SOUND_MIXER_WRITE_LOUD;
1152   extern unsigned IOCTL_SOUND_MIXER_WRITE_MIC;
1153   extern unsigned IOCTL_SOUND_MIXER_WRITE_MUTE;
1154   extern unsigned IOCTL_SOUND_MIXER_WRITE_OGAIN;
1155   extern unsigned IOCTL_SOUND_MIXER_WRITE_PCM;
1156   extern unsigned IOCTL_SOUND_MIXER_WRITE_RECLEV;
1157   extern unsigned IOCTL_SOUND_MIXER_WRITE_RECSRC;
1158   extern unsigned IOCTL_SOUND_MIXER_WRITE_SPEAKER;
1159   extern unsigned IOCTL_SOUND_MIXER_WRITE_SYNTH;
1160   extern unsigned IOCTL_SOUND_MIXER_WRITE_TREBLE;
1161   extern unsigned IOCTL_SOUND_MIXER_WRITE_VOLUME;
1162   extern unsigned IOCTL_SOUND_PCM_READ_BITS;
1163   extern unsigned IOCTL_SOUND_PCM_READ_CHANNELS;
1164   extern unsigned IOCTL_SOUND_PCM_READ_FILTER;
1165   extern unsigned IOCTL_SOUND_PCM_READ_RATE;
1166   extern unsigned IOCTL_SOUND_PCM_WRITE_CHANNELS;
1167   extern unsigned IOCTL_SOUND_PCM_WRITE_FILTER;
1168   extern unsigned IOCTL_VT_ACTIVATE;
1169   extern unsigned IOCTL_VT_GETMODE;
1170   extern unsigned IOCTL_VT_OPENQRY;
1171   extern unsigned IOCTL_VT_RELDISP;
1172   extern unsigned IOCTL_VT_SETMODE;
1173   extern unsigned IOCTL_VT_WAITACTIVE;
1174 #endif  // SANITIZER_LINUX || SANITIZER_FREEBSD
1175
1176 #if SANITIZER_LINUX && !SANITIZER_ANDROID
1177   extern unsigned IOCTL_CYGETDEFTHRESH;
1178   extern unsigned IOCTL_CYGETDEFTIMEOUT;
1179   extern unsigned IOCTL_CYGETMON;
1180   extern unsigned IOCTL_CYGETTHRESH;
1181   extern unsigned IOCTL_CYGETTIMEOUT;
1182   extern unsigned IOCTL_CYSETDEFTHRESH;
1183   extern unsigned IOCTL_CYSETDEFTIMEOUT;
1184   extern unsigned IOCTL_CYSETTHRESH;
1185   extern unsigned IOCTL_CYSETTIMEOUT;
1186   extern unsigned IOCTL_EQL_EMANCIPATE;
1187   extern unsigned IOCTL_EQL_ENSLAVE;
1188   extern unsigned IOCTL_EQL_GETMASTRCFG;
1189   extern unsigned IOCTL_EQL_GETSLAVECFG;
1190   extern unsigned IOCTL_EQL_SETMASTRCFG;
1191   extern unsigned IOCTL_EQL_SETSLAVECFG;
1192   extern unsigned IOCTL_EVIOCGKEYCODE_V2;
1193   extern unsigned IOCTL_EVIOCGPROP;
1194   extern unsigned IOCTL_EVIOCSKEYCODE_V2;
1195   extern unsigned IOCTL_FS_IOC_GETFLAGS;
1196   extern unsigned IOCTL_FS_IOC_GETVERSION;
1197   extern unsigned IOCTL_FS_IOC_SETFLAGS;
1198   extern unsigned IOCTL_FS_IOC_SETVERSION;
1199   extern unsigned IOCTL_GIO_CMAP;
1200   extern unsigned IOCTL_GIO_FONT;
1201   extern unsigned IOCTL_GIO_UNIMAP;
1202   extern unsigned IOCTL_GIO_UNISCRNMAP;
1203   extern unsigned IOCTL_KDADDIO;
1204   extern unsigned IOCTL_KDDELIO;
1205   extern unsigned IOCTL_KDGETKEYCODE;
1206   extern unsigned IOCTL_KDGKBDIACR;
1207   extern unsigned IOCTL_KDGKBENT;
1208   extern unsigned IOCTL_KDGKBLED;
1209   extern unsigned IOCTL_KDGKBMETA;
1210   extern unsigned IOCTL_KDGKBSENT;
1211   extern unsigned IOCTL_KDMAPDISP;
1212   extern unsigned IOCTL_KDSETKEYCODE;
1213   extern unsigned IOCTL_KDSIGACCEPT;
1214   extern unsigned IOCTL_KDSKBDIACR;
1215   extern unsigned IOCTL_KDSKBENT;
1216   extern unsigned IOCTL_KDSKBLED;
1217   extern unsigned IOCTL_KDSKBMETA;
1218   extern unsigned IOCTL_KDSKBSENT;
1219   extern unsigned IOCTL_KDUNMAPDISP;
1220   extern unsigned IOCTL_LPABORT;
1221   extern unsigned IOCTL_LPABORTOPEN;
1222   extern unsigned IOCTL_LPCAREFUL;
1223   extern unsigned IOCTL_LPCHAR;
1224   extern unsigned IOCTL_LPGETIRQ;
1225   extern unsigned IOCTL_LPGETSTATUS;
1226   extern unsigned IOCTL_LPRESET;
1227   extern unsigned IOCTL_LPSETIRQ;
1228   extern unsigned IOCTL_LPTIME;
1229   extern unsigned IOCTL_LPWAIT;
1230   extern unsigned IOCTL_MTIOCGETCONFIG;
1231   extern unsigned IOCTL_MTIOCSETCONFIG;
1232   extern unsigned IOCTL_PIO_CMAP;
1233   extern unsigned IOCTL_PIO_FONT;
1234   extern unsigned IOCTL_PIO_UNIMAP;
1235   extern unsigned IOCTL_PIO_UNIMAPCLR;
1236   extern unsigned IOCTL_PIO_UNISCRNMAP;
1237   extern unsigned IOCTL_SCSI_IOCTL_GET_IDLUN;
1238   extern unsigned IOCTL_SCSI_IOCTL_PROBE_HOST;
1239   extern unsigned IOCTL_SCSI_IOCTL_TAGGED_DISABLE;
1240   extern unsigned IOCTL_SCSI_IOCTL_TAGGED_ENABLE;
1241   extern unsigned IOCTL_SIOCAIPXITFCRT;
1242   extern unsigned IOCTL_SIOCAIPXPRISLT;
1243   extern unsigned IOCTL_SIOCAX25ADDUID;
1244   extern unsigned IOCTL_SIOCAX25DELUID;
1245   extern unsigned IOCTL_SIOCAX25GETPARMS;
1246   extern unsigned IOCTL_SIOCAX25GETUID;
1247   extern unsigned IOCTL_SIOCAX25NOUID;
1248   extern unsigned IOCTL_SIOCAX25SETPARMS;
1249   extern unsigned IOCTL_SIOCDEVPLIP;
1250   extern unsigned IOCTL_SIOCIPXCFGDATA;
1251   extern unsigned IOCTL_SIOCNRDECOBS;
1252   extern unsigned IOCTL_SIOCNRGETPARMS;
1253   extern unsigned IOCTL_SIOCNRRTCTL;
1254   extern unsigned IOCTL_SIOCNRSETPARMS;
1255   extern unsigned IOCTL_SNDCTL_DSP_GETISPACE;
1256   extern unsigned IOCTL_SNDCTL_DSP_GETOSPACE;
1257   extern unsigned IOCTL_TIOCGSERIAL;
1258   extern unsigned IOCTL_TIOCSERGETMULTI;
1259   extern unsigned IOCTL_TIOCSERSETMULTI;
1260   extern unsigned IOCTL_TIOCSSERIAL;
1261 #endif  // SANITIZER_LINUX && !SANITIZER_ANDROID
1262
1263 #if (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
1264   extern unsigned IOCTL_GIO_SCRNMAP;
1265   extern unsigned IOCTL_KDDISABIO;
1266   extern unsigned IOCTL_KDENABIO;
1267   extern unsigned IOCTL_KDGETLED;
1268   extern unsigned IOCTL_KDGETMODE;
1269   extern unsigned IOCTL_KDGKBMODE;
1270   extern unsigned IOCTL_KDGKBTYPE;
1271   extern unsigned IOCTL_KDMKTONE;
1272   extern unsigned IOCTL_KDSETLED;
1273   extern unsigned IOCTL_KDSETMODE;
1274   extern unsigned IOCTL_KDSKBMODE;
1275   extern unsigned IOCTL_KIOCSOUND;
1276   extern unsigned IOCTL_PIO_SCRNMAP;
1277 #endif
1278
1279   extern const int errno_EINVAL;
1280   extern const int errno_EOWNERDEAD;
1281
1282   extern const int si_SEGV_MAPERR;
1283   extern const int si_SEGV_ACCERR;
1284 }  // namespace __sanitizer
1285
1286 #define CHECK_TYPE_SIZE(TYPE) \
1287   COMPILER_CHECK(sizeof(__sanitizer_##TYPE) == sizeof(TYPE))
1288
1289 #define CHECK_SIZE_AND_OFFSET(CLASS, MEMBER)                       \
1290   COMPILER_CHECK(sizeof(((__sanitizer_##CLASS *) NULL)->MEMBER) == \
1291                  sizeof(((CLASS *) NULL)->MEMBER));                \
1292   COMPILER_CHECK(offsetof(__sanitizer_##CLASS, MEMBER) ==          \
1293                  offsetof(CLASS, MEMBER))
1294
1295 // For sigaction, which is a function and struct at the same time,
1296 // and thus requires explicit "struct" in sizeof() expression.
1297 #define CHECK_STRUCT_SIZE_AND_OFFSET(CLASS, MEMBER)                       \
1298   COMPILER_CHECK(sizeof(((struct __sanitizer_##CLASS *) NULL)->MEMBER) == \
1299                  sizeof(((struct CLASS *) NULL)->MEMBER));                \
1300   COMPILER_CHECK(offsetof(struct __sanitizer_##CLASS, MEMBER) ==          \
1301                  offsetof(struct CLASS, MEMBER))
1302
1303 #endif