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_statfs64_sz;
  41
  42 #if !SANITIZER_ANDROID
  43   extern unsigned struct_statfs_sz;
  44   extern unsigned struct_sockaddr_sz;
  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 #elif defined(__mips__)
  69   #if SANITIZER_WORDSIZE == 64
  70   const unsigned struct_kernel_stat_sz = 216;
  71   #else
  72   const unsigned struct_kernel_stat_sz = 144;
  73   #endif
  74   const unsigned struct_kernel_stat64_sz = 104;
  75 #endif
  76   struct __sanitizer_perf_event_attr {
  77     unsigned type;
  78     unsigned size;
  79     // More fields that vary with the kernel version.
  80   };
  81
  82   extern unsigned struct_epoll_event_sz;
  83   extern unsigned struct_sysinfo_sz;
  84   extern unsigned __user_cap_header_struct_sz;
  85   extern unsigned __user_cap_data_struct_sz;
  86   extern unsigned struct_new_utsname_sz;
  87   extern unsigned struct_old_utsname_sz;
  88   extern unsigned struct_oldold_utsname_sz;
  89
  90   const unsigned struct_kexec_segment_sz = 4 * sizeof(unsigned long);
  91 #endif  // SANITIZER_LINUX
  92
  93 #if SANITIZER_LINUX || SANITIZER_FREEBSD
  94
  95 #if defined(__powerpc64__)
  96   const unsigned struct___old_kernel_stat_sz = 0;
  97 #else
  98   const unsigned struct___old_kernel_stat_sz = 32;
  99 #endif
 100
 101   extern unsigned struct_rlimit_sz;
 102   extern unsigned struct_utimbuf_sz;
 103   extern unsigned struct_timespec_sz;
 104
 105   struct __sanitizer_iocb {
 106     u64   aio_data;
 107     u32   aio_key_or_aio_reserved1; // Simply crazy.
 108     u32   aio_reserved1_or_aio_key; // Luckily, we don't need these.
 109     u16   aio_lio_opcode;
 110     s16   aio_reqprio;
 111     u32   aio_fildes;
 112     u64   aio_buf;
 113     u64   aio_nbytes;
 114     s64   aio_offset;
 115     u64   aio_reserved2;
 116     u64   aio_reserved3;
 117   };
 118
 119   struct __sanitizer_io_event {
 120     u64 data;
 121     u64 obj;
 122     u64 res;
 123     u64 res2;
 124   };
 125
 126   const unsigned iocb_cmd_pread = 0;
 127   const unsigned iocb_cmd_pwrite = 1;
 128   const unsigned iocb_cmd_preadv = 7;
 129   const unsigned iocb_cmd_pwritev = 8;
 130
 131   struct __sanitizer___sysctl_args {
 132     int *name;
 133     int nlen;
 134     void *oldval;
 135     uptr *oldlenp;
 136     void *newval;
 137     uptr newlen;
 138     unsigned long ___unused[4];
 139   };
 140
 141   const unsigned old_sigset_t_sz = sizeof(unsigned long);
 142 #endif // SANITIZER_LINUX || SANITIZER_FREEBSD
 143
 144 #if SANITIZER_ANDROID
 145   struct __sanitizer_mallinfo {
 146     uptr v[10];
 147   };
 148 #endif
 149
 150 #if SANITIZER_LINUX && !SANITIZER_ANDROID
 151   struct __sanitizer_mallinfo {
 152     int v[10];
 153   };
 154
 155   extern unsigned struct_ustat_sz;
 156   extern unsigned struct_rlimit64_sz;
 157   extern unsigned struct_statvfs64_sz;
 158
 159   struct __sanitizer_ipc_perm {
 160     int __key;
 161     int uid;
 162     int gid;
 163     int cuid;
 164     int cgid;
 165 #ifdef __powerpc__
 166     unsigned mode;
 167     unsigned __seq;
 168     u64 __unused1;
 169     u64 __unused2;
 170 #elif defined(__mips__)
 171     unsigned int mode;
 172     unsigned short __seq;
 173     unsigned short __pad1;
 174     unsigned long __unused1;
 175     unsigned long __unused2;
 176 #else
 177     unsigned short mode;
 178     unsigned short __pad1;
 179     unsigned short __seq;
 180     unsigned short __pad2;
 181 #if defined(__x86_64__) && !defined(_LP64)
 182     u64 __unused1;
 183     u64 __unused2;
 184 #else
 185     unsigned long __unused1;
 186     unsigned long __unused2;
 187 #endif
 188 #endif
 189   };
 190
 191   struct __sanitizer_shmid_ds {
 192     __sanitizer_ipc_perm shm_perm;
 193   #ifndef __powerpc__
 194     uptr shm_segsz;
 195   #elif !defined(__powerpc64__)
 196     uptr __unused0;
 197   #endif
 198   #if defined(__x86_64__) && !defined(_LP64)
 199     u64 shm_atime;
 200     u64 shm_dtime;
 201     u64 shm_ctime;
 202   #else
 203     uptr shm_atime;
 204   #if !defined(_LP64) && !defined(__mips__)
 205     uptr __unused1;
 206   #endif
 207     uptr shm_dtime;
 208   #if !defined(_LP64) && !defined(__mips__)
 209     uptr __unused2;
 210   #endif
 211     uptr shm_ctime;
 212   #if !defined(_LP64) && !defined(__mips__)
 213     uptr __unused3;
 214   #endif
 215   #endif
 216   #ifdef __powerpc__
 217     uptr shm_segsz;
 218   #endif
 219     int shm_cpid;
 220     int shm_lpid;
 221   #if defined(__x86_64__) && !defined(_LP64)
 222     u64 shm_nattch;
 223     u64 __unused4;
 224     u64 __unused5;
 225   #else
 226     uptr shm_nattch;
 227     uptr __unused4;
 228     uptr __unused5;
 229   #endif
 230   };
 231 #elif SANITIZER_FREEBSD
 232   struct __sanitizer_ipc_perm {
 233     unsigned int cuid;
 234     unsigned int cgid;
 235     unsigned int uid;
 236     unsigned int gid;
 237     unsigned short mode;
 238     unsigned short seq;
 239     long key;
 240   };
 241
 242   struct __sanitizer_shmid_ds {
 243     __sanitizer_ipc_perm shm_perm;
 244     unsigned long shm_segsz;
 245     unsigned int shm_lpid;
 246     unsigned int shm_cpid;
 247     int shm_nattch;
 248     unsigned long shm_atime;
 249     unsigned long shm_dtime;
 250     unsigned long shm_ctime;
 251   };
 252 #endif
 253
 254 #if (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
 255   extern unsigned struct_msqid_ds_sz;
 256   extern unsigned struct_mq_attr_sz;
 257   extern unsigned struct_timex_sz;
 258   extern unsigned struct_statvfs_sz;
 259 #endif  // (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
 260
 261   struct __sanitizer_iovec {
 262     void *iov_base;
 263     uptr iov_len;
 264   };
 265
 266 #if !SANITIZER_ANDROID
 267   struct __sanitizer_ifaddrs {
 268     struct __sanitizer_ifaddrs *ifa_next;
 269     char *ifa_name;
 270     unsigned int ifa_flags;
 271     void *ifa_addr;    // (struct sockaddr *)
 272     void *ifa_netmask; // (struct sockaddr *)
 273     // This is a union on Linux.
 274 # ifdef ifa_dstaddr
 275 # undef ifa_dstaddr
 276 # endif
 277     void *ifa_dstaddr; // (struct sockaddr *)
 278     void *ifa_data;
 279   };
 280 #endif  // !SANITIZER_ANDROID
 281
 282 #if SANITIZER_MAC
 283   typedef unsigned long __sanitizer_pthread_key_t;
 284 #else
 285   typedef unsigned __sanitizer_pthread_key_t;
 286 #endif
 287
 288 #if SANITIZER_LINUX && !SANITIZER_ANDROID
 289
 290   struct __sanitizer_XDR {
 291     int x_op;
 292     void *x_ops;
 293     uptr x_public;
 294     uptr x_private;
 295     uptr x_base;
 296     unsigned x_handy;
 297   };
 298
 299   const int __sanitizer_XDR_ENCODE = 0;
 300   const int __sanitizer_XDR_DECODE = 1;
 301   const int __sanitizer_XDR_FREE = 2;
 302 #endif
 303
 304   struct __sanitizer_passwd {
 305     char *pw_name;
 306     char *pw_passwd;
 307     int pw_uid;
 308     int pw_gid;
 309 #if SANITIZER_MAC || SANITIZER_FREEBSD
 310     long pw_change;
 311     char *pw_class;
 312 #endif
 313 #if !SANITIZER_ANDROID
 314     char *pw_gecos;
 315 #endif
 316     char *pw_dir;
 317     char *pw_shell;
 318 #if SANITIZER_MAC || SANITIZER_FREEBSD
 319     long pw_expire;
 320 #endif
 321 #if SANITIZER_FREEBSD
 322     int pw_fields;
 323 #endif
 324   };
 325
 326   struct __sanitizer_group {
 327     char *gr_name;
 328     char *gr_passwd;
 329     int gr_gid;
 330     char **gr_mem;
 331   };
 332
 333 #if defined(__x86_64__) && !defined(_LP64)
 334   typedef long long __sanitizer_time_t;
 335 #else
 336   typedef long __sanitizer_time_t;
 337 #endif
 338
 339   struct __sanitizer_timeb {
 340     __sanitizer_time_t time;
 341     unsigned short millitm;
 342     short timezone;
 343     short dstflag;
 344   };
 345
 346   struct __sanitizer_ether_addr {
 347     u8 octet[6];
 348   };
 349
 350   struct __sanitizer_tm {
 351     int tm_sec;
 352     int tm_min;
 353     int tm_hour;
 354     int tm_mday;
 355     int tm_mon;
 356     int tm_year;
 357     int tm_wday;
 358     int tm_yday;
 359     int tm_isdst;
 360     long int tm_gmtoff;
 361     const char *tm_zone;
 362   };
 363
 364 #if SANITIZER_LINUX
 365   struct __sanitizer_mntent {
 366     char *mnt_fsname;
 367     char *mnt_dir;
 368     char *mnt_type;
 369     char *mnt_opts;
 370     int mnt_freq;
 371     int mnt_passno;
 372   };
 373 #endif
 374
 375 #if SANITIZER_ANDROID || SANITIZER_MAC || SANITIZER_FREEBSD
 376   struct __sanitizer_msghdr {
 377     void *msg_name;
 378     unsigned msg_namelen;
 379     struct __sanitizer_iovec *msg_iov;
 380     unsigned msg_iovlen;
 381     void *msg_control;
 382     unsigned msg_controllen;
 383     int msg_flags;
 384   };
 385   struct __sanitizer_cmsghdr {
 386     unsigned cmsg_len;
 387     int cmsg_level;
 388     int cmsg_type;
 389   };
 390 #else
 391   struct __sanitizer_msghdr {
 392     void *msg_name;
 393     unsigned msg_namelen;
 394     struct __sanitizer_iovec *msg_iov;
 395     uptr msg_iovlen;
 396     void *msg_control;
 397     uptr msg_controllen;
 398     int msg_flags;
 399   };
 400   struct __sanitizer_cmsghdr {
 401     uptr cmsg_len;
 402     int cmsg_level;
 403     int cmsg_type;
 404   };
 405 #endif
 406
 407 #if SANITIZER_MAC
 408   struct __sanitizer_dirent {
 409     unsigned long long d_ino;
 410     unsigned long long d_seekoff;
 411     unsigned short d_reclen;
 412     // more fields that we don't care about
 413   };
 414 #elif SANITIZER_FREEBSD
 415   struct __sanitizer_dirent {
 416     unsigned int d_fileno;
 417     unsigned short d_reclen;
 418     // more fields that we don't care about
 419   };
 420 #elif SANITIZER_ANDROID || defined(__x86_64__)
 421   struct __sanitizer_dirent {
 422     unsigned long long d_ino;
 423     unsigned long long d_off;
 424     unsigned short d_reclen;
 425     // more fields that we don't care about
 426   };
 427 #else
 428   struct __sanitizer_dirent {
 429     uptr d_ino;
 430     uptr d_off;
 431     unsigned short d_reclen;
 432     // more fields that we don't care about
 433   };
 434 #endif
 435
 436 #if SANITIZER_LINUX && !SANITIZER_ANDROID
 437   struct __sanitizer_dirent64 {
 438     unsigned long long d_ino;
 439     unsigned long long d_off;
 440     unsigned short d_reclen;
 441     // more fields that we don't care about
 442   };
 443 #endif
 444
 445 // 'clock_t' is 32 bits wide on x64 FreeBSD
 446 #if SANITIZER_FREEBSD
 447   typedef int __sanitizer_clock_t;
 448 #elif defined(__x86_64__) && !defined(_LP64)
 449   typedef long long __sanitizer_clock_t;
 450 #else
 451   typedef long __sanitizer_clock_t;
 452 #endif
 453
 454 #if SANITIZER_LINUX
 455   typedef int __sanitizer_clockid_t;
 456 #endif
 457
 458 #if SANITIZER_LINUX || SANITIZER_FREEBSD
 459 #if defined(_LP64) || defined(__x86_64__) || defined(__powerpc__)\
 460                    || defined(__mips__)
 461   typedef unsigned __sanitizer___kernel_uid_t;
 462   typedef unsigned __sanitizer___kernel_gid_t;
 463 #else
 464   typedef unsigned short __sanitizer___kernel_uid_t;
 465   typedef unsigned short __sanitizer___kernel_gid_t;
 466 #endif
 467 #if defined(__x86_64__) && !defined(_LP64)
 468   typedef long long __sanitizer___kernel_off_t;
 469 #else
 470   typedef long __sanitizer___kernel_off_t;
 471 #endif
 472
 473 #if defined(__powerpc__) || defined(__mips__)
 474   typedef unsigned int __sanitizer___kernel_old_uid_t;
 475   typedef unsigned int __sanitizer___kernel_old_gid_t;
 476 #else
 477   typedef unsigned short __sanitizer___kernel_old_uid_t;
 478   typedef unsigned short __sanitizer___kernel_old_gid_t;
 479 #endif
 480
 481   typedef long long __sanitizer___kernel_loff_t;
 482   typedef struct {
 483     unsigned long fds_bits[1024 / (8 * sizeof(long))];
 484   } __sanitizer___kernel_fd_set;
 485 #endif
 486
 487   // This thing depends on the platform. We are only interested in the upper
 488   // limit. Verified with a compiler assert in .cc.
 489   const int pthread_attr_t_max_sz = 128;
 490   union __sanitizer_pthread_attr_t {
 491     char size[pthread_attr_t_max_sz]; // NOLINT
 492     void *align;
 493   };
 494
 495 #if SANITIZER_ANDROID
 496   typedef unsigned long __sanitizer_sigset_t;
 497 #elif SANITIZER_MAC
 498   typedef unsigned __sanitizer_sigset_t;
 499 #elif SANITIZER_LINUX
 500   struct __sanitizer_sigset_t {
 501     // The size is determined by looking at sizeof of real sigset_t on linux.
 502     uptr val[128 / sizeof(uptr)];
 503   };
 504 #elif SANITIZER_FREEBSD
 505   struct __sanitizer_sigset_t {
 506      // uint32_t * 4
 507      unsigned int __bits[4];
 508   };
 509 #endif
 510
 511   // Linux system headers define the 'sa_handler' and 'sa_sigaction' macros.
 512   struct __sanitizer_sigaction {
 513 #if defined(__mips__) && !SANITIZER_FREEBSD
 514     unsigned int sa_flags;
 515 #endif
 516     union {
 517       void (*sigaction)(int sig, void *siginfo, void *uctx);
 518       void (*handler)(int sig);
 519     };
 520 #if SANITIZER_FREEBSD
 521     int sa_flags;
 522     __sanitizer_sigset_t sa_mask;
 523 #else
 524     __sanitizer_sigset_t sa_mask;
 525 #ifndef __mips__
 526     int sa_flags;
 527 #endif
 528 #endif
 529 #if SANITIZER_LINUX
 530     void (*sa_restorer)();
 531 #endif
 532 #if defined(__mips__) && (SANITIZER_WORDSIZE == 32)
 533     int sa_resv[1];
 534 #endif
 535   };
 536
 537 #if SANITIZER_FREEBSD
 538   typedef __sanitizer_sigset_t __sanitizer_kernel_sigset_t;
 539 #else
 540   struct __sanitizer_kernel_sigset_t {
 541     u8 sig[8];
 542   };
 543 #endif
 544
 545   // Linux system headers define the 'sa_handler' and 'sa_sigaction' macros.
 546   struct __sanitizer_kernel_sigaction_t {
 547     union {
 548       void (*handler)(int signo);
 549       void (*sigaction)(int signo, void *info, void *ctx);
 550     };
 551     unsigned long sa_flags;
 552     void (*sa_restorer)(void);
 553     __sanitizer_kernel_sigset_t sa_mask;
 554   };
 555
 556   extern uptr sig_ign;
 557   extern uptr sig_dfl;
 558   extern uptr sa_siginfo;
 559
 560 #if SANITIZER_LINUX
 561   extern int e_tabsz;
 562 #endif
 563
 564   extern int af_inet;
 565   extern int af_inet6;
 566   uptr __sanitizer_in_addr_sz(int af);
 567
 568 #if SANITIZER_LINUX || SANITIZER_FREEBSD
 569   struct __sanitizer_dl_phdr_info {
 570     uptr dlpi_addr;
 571     const char *dlpi_name;
 572     const void *dlpi_phdr;
 573     short dlpi_phnum;
 574   };
 575 #endif
 576
 577   struct __sanitizer_addrinfo {
 578     int ai_flags;
 579     int ai_family;
 580     int ai_socktype;
 581     int ai_protocol;
 582 #if SANITIZER_ANDROID || SANITIZER_MAC || SANITIZER_FREEBSD
 583     unsigned ai_addrlen;
 584     char *ai_canonname;
 585     void *ai_addr;
 586 #else // LINUX
 587     unsigned ai_addrlen;
 588     void *ai_addr;
 589     char *ai_canonname;
 590 #endif
 591     struct __sanitizer_addrinfo *ai_next;
 592   };
 593
 594   struct __sanitizer_hostent {
 595     char *h_name;
 596     char **h_aliases;
 597     int h_addrtype;
 598     int h_length;
 599     char **h_addr_list;
 600   };
 601
 602   struct __sanitizer_pollfd {
 603     int fd;
 604     short events;
 605     short revents;
 606   };
 607
 608 #if SANITIZER_ANDROID || SANITIZER_MAC || SANITIZER_FREEBSD
 609   typedef unsigned __sanitizer_nfds_t;
 610 #else
 611   typedef unsigned long __sanitizer_nfds_t;
 612 #endif
 613
 614 #if !SANITIZER_ANDROID
 615 # if SANITIZER_LINUX
 616   struct __sanitizer_glob_t {
 617     uptr gl_pathc;
 618     char **gl_pathv;
 619     uptr gl_offs;
 620     int gl_flags;
 621
 622     void (*gl_closedir)(void *dirp);
 623     void *(*gl_readdir)(void *dirp);
 624     void *(*gl_opendir)(const char *);
 625     int (*gl_lstat)(const char *, void *);
 626     int (*gl_stat)(const char *, void *);
 627   };
 628 # elif SANITIZER_FREEBSD
 629   struct __sanitizer_glob_t {
 630     uptr gl_pathc;
 631     uptr gl_matchc;
 632     uptr gl_offs;
 633     int gl_flags;
 634     char **gl_pathv;
 635     int (*gl_errfunc)(const char*, int);
 636     void (*gl_closedir)(void *dirp);
 637     struct dirent *(*gl_readdir)(void *dirp);
 638     void *(*gl_opendir)(const char*);
 639     int (*gl_lstat)(const char*, void* /* struct stat* */);
 640     int (*gl_stat)(const char*, void* /* struct stat* */);
 641   };
 642 # endif  // SANITIZER_FREEBSD
 643
 644 # if SANITIZER_LINUX || SANITIZER_FREEBSD
 645   extern int glob_nomatch;
 646   extern int glob_altdirfunc;
 647 # endif
 648 #endif  // !SANITIZER_ANDROID
 649
 650   extern unsigned path_max;
 651
 652   struct __sanitizer_wordexp_t {
 653     uptr we_wordc;
 654     char **we_wordv;
 655     uptr we_offs;
 656 #if SANITIZER_FREEBSD
 657     char *we_strings;
 658     uptr we_nbytes;
 659 #endif
 660   };
 661
 662 #if SANITIZER_LINUX && !SANITIZER_ANDROID
 663   struct __sanitizer_FILE {
 664     int _flags;
 665     char *_IO_read_ptr;
 666     char *_IO_read_end;
 667     char *_IO_read_base;
 668     char *_IO_write_base;
 669     char *_IO_write_ptr;
 670     char *_IO_write_end;
 671     char *_IO_buf_base;
 672     char *_IO_buf_end;
 673     char *_IO_save_base;
 674     char *_IO_backup_base;
 675     char *_IO_save_end;
 676     void *_markers;
 677     __sanitizer_FILE *_chain;
 678     int _fileno;
 679   };
 680 # define SANITIZER_HAS_STRUCT_FILE 1
 681 #else
 682   typedef void __sanitizer_FILE;
 683 # define SANITIZER_HAS_STRUCT_FILE 0
 684 #endif
 685
 686 #if SANITIZER_LINUX && !SANITIZER_ANDROID && \
 687     (defined(__i386) || defined(__x86_64))
 688   extern unsigned struct_user_regs_struct_sz;
 689   extern unsigned struct_user_fpregs_struct_sz;
 690   extern unsigned struct_user_fpxregs_struct_sz;
 691
 692   extern int ptrace_peektext;
 693   extern int ptrace_peekdata;
 694   extern int ptrace_peekuser;
 695   extern int ptrace_getregs;
 696   extern int ptrace_setregs;
 697   extern int ptrace_getfpregs;
 698   extern int ptrace_setfpregs;
 699   extern int ptrace_getfpxregs;
 700   extern int ptrace_setfpxregs;
 701   extern int ptrace_getsiginfo;
 702   extern int ptrace_setsiginfo;
 703   extern int ptrace_getregset;
 704   extern int ptrace_setregset;
 705   extern int ptrace_geteventmsg;
 706 #endif
 707
 708 #if (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
 709   extern unsigned struct_shminfo_sz;
 710   extern unsigned struct_shm_info_sz;
 711   extern int shmctl_ipc_stat;
 712   extern int shmctl_ipc_info;
 713   extern int shmctl_shm_info;
 714   extern int shmctl_shm_stat;
 715 #endif
 716
 717   extern int map_fixed;
 718
 719   // ioctl arguments
 720   struct __sanitizer_ifconf {
 721     int ifc_len;
 722     union {
 723       void *ifcu_req;
 724     } ifc_ifcu;
 725 #if SANITIZER_MAC
 726   } __attribute__((packed));
 727 #else
 728   };
 729 #endif
 730
 731 #if SANITIZER_LINUX && !SANITIZER_ANDROID
 732 struct __sanitizer__obstack_chunk {
 733   char *limit;
 734   struct __sanitizer__obstack_chunk *prev;
 735 };
 736
 737 struct __sanitizer_obstack {
 738   long chunk_size;
 739   struct __sanitizer__obstack_chunk *chunk;
 740   char *object_base;
 741   char *next_free;
 742   uptr more_fields[7];
 743 };
 744 #endif
 745
 746 #define IOC_NRBITS 8
 747 #define IOC_TYPEBITS 8
 748 #if defined(__powerpc__) || defined(__powerpc64__) || defined(__mips__)
 749 #define IOC_SIZEBITS 13
 750 #define IOC_DIRBITS 3
 751 #define IOC_NONE 1U
 752 #define IOC_WRITE 4U
 753 #define IOC_READ 2U
 754 #else
 755 #define IOC_SIZEBITS 14
 756 #define IOC_DIRBITS 2
 757 #define IOC_NONE 0U
 758 #define IOC_WRITE 1U
 759 #define IOC_READ 2U
 760 #endif
 761 #define IOC_NRMASK ((1 << IOC_NRBITS) - 1)
 762 #define IOC_TYPEMASK ((1 << IOC_TYPEBITS) - 1)
 763 #define IOC_SIZEMASK ((1 << IOC_SIZEBITS) - 1)
 764 #if defined(IOC_DIRMASK)
 765 #undef IOC_DIRMASK
 766 #endif
 767 #define IOC_DIRMASK ((1 << IOC_DIRBITS) - 1)
 768 #define IOC_NRSHIFT 0
 769 #define IOC_TYPESHIFT (IOC_NRSHIFT + IOC_NRBITS)
 770 #define IOC_SIZESHIFT (IOC_TYPESHIFT + IOC_TYPEBITS)
 771 #define IOC_DIRSHIFT (IOC_SIZESHIFT + IOC_SIZEBITS)
 772 #define EVIOC_EV_MAX 0x1f
 773 #define EVIOC_ABS_MAX 0x3f
 774
 775 #define IOC_DIR(nr) (((nr) >> IOC_DIRSHIFT) & IOC_DIRMASK)
 776 #define IOC_TYPE(nr) (((nr) >> IOC_TYPESHIFT) & IOC_TYPEMASK)
 777 #define IOC_NR(nr) (((nr) >> IOC_NRSHIFT) & IOC_NRMASK)
 778 #define IOC_SIZE(nr) (((nr) >> IOC_SIZESHIFT) & IOC_SIZEMASK)
 779
 780   extern unsigned struct_arpreq_sz;
 781   extern unsigned struct_ifreq_sz;
 782   extern unsigned struct_termios_sz;
 783   extern unsigned struct_winsize_sz;
 784
 785 #if SANITIZER_LINUX
 786   extern unsigned struct_cdrom_msf_sz;
 787   extern unsigned struct_cdrom_multisession_sz;
 788   extern unsigned struct_cdrom_read_audio_sz;
 789   extern unsigned struct_cdrom_subchnl_sz;
 790   extern unsigned struct_cdrom_ti_sz;
 791   extern unsigned struct_cdrom_tocentry_sz;
 792   extern unsigned struct_cdrom_tochdr_sz;
 793   extern unsigned struct_cdrom_volctrl_sz;
 794   extern unsigned struct_ff_effect_sz;
 795   extern unsigned struct_floppy_drive_params_sz;
 796   extern unsigned struct_floppy_drive_struct_sz;
 797   extern unsigned struct_floppy_fdc_state_sz;
 798   extern unsigned struct_floppy_max_errors_sz;
 799   extern unsigned struct_floppy_raw_cmd_sz;
 800   extern unsigned struct_floppy_struct_sz;
 801   extern unsigned struct_floppy_write_errors_sz;
 802   extern unsigned struct_format_descr_sz;
 803   extern unsigned struct_hd_driveid_sz;
 804   extern unsigned struct_hd_geometry_sz;
 805   extern unsigned struct_input_absinfo_sz;
 806   extern unsigned struct_input_id_sz;
 807   extern unsigned struct_mtpos_sz;
 808   extern unsigned struct_termio_sz;
 809   extern unsigned struct_vt_consize_sz;
 810   extern unsigned struct_vt_sizes_sz;
 811   extern unsigned struct_vt_stat_sz;
 812 #endif  // SANITIZER_LINUX
 813
 814 #if SANITIZER_LINUX || SANITIZER_FREEBSD
 815   extern unsigned struct_copr_buffer_sz;
 816   extern unsigned struct_copr_debug_buf_sz;
 817   extern unsigned struct_copr_msg_sz;
 818   extern unsigned struct_midi_info_sz;
 819   extern unsigned struct_mtget_sz;
 820   extern unsigned struct_mtop_sz;
 821   extern unsigned struct_rtentry_sz;
 822   extern unsigned struct_sbi_instrument_sz;
 823   extern unsigned struct_seq_event_rec_sz;
 824   extern unsigned struct_synth_info_sz;
 825   extern unsigned struct_vt_mode_sz;
 826 #endif // SANITIZER_LINUX || SANITIZER_FREEBSD
 827
 828 #if SANITIZER_LINUX && !SANITIZER_ANDROID
 829   extern unsigned struct_ax25_parms_struct_sz;
 830   extern unsigned struct_cyclades_monitor_sz;
 831   extern unsigned struct_input_keymap_entry_sz;
 832   extern unsigned struct_ipx_config_data_sz;
 833   extern unsigned struct_kbdiacrs_sz;
 834   extern unsigned struct_kbentry_sz;
 835   extern unsigned struct_kbkeycode_sz;
 836   extern unsigned struct_kbsentry_sz;
 837   extern unsigned struct_mtconfiginfo_sz;
 838   extern unsigned struct_nr_parms_struct_sz;
 839   extern unsigned struct_scc_modem_sz;
 840   extern unsigned struct_scc_stat_sz;
 841   extern unsigned struct_serial_multiport_struct_sz;
 842   extern unsigned struct_serial_struct_sz;
 843   extern unsigned struct_sockaddr_ax25_sz;
 844   extern unsigned struct_unimapdesc_sz;
 845   extern unsigned struct_unimapinit_sz;
 846 #endif  // SANITIZER_LINUX && !SANITIZER_ANDROID
 847
 848 #if (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
 849   extern unsigned struct_audio_buf_info_sz;
 850   extern unsigned struct_ppp_stats_sz;
 851 #endif  // (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
 852
 853 #if !SANITIZER_ANDROID && !SANITIZER_MAC
 854   extern unsigned struct_sioc_sg_req_sz;
 855   extern unsigned struct_sioc_vif_req_sz;
 856 #endif
 857
 858   // ioctl request identifiers
 859
 860   // A special value to mark ioctls that are not present on the target platform,
 861   // when it can not be determined without including any system headers.
 862   extern const unsigned IOCTL_NOT_PRESENT;
 863
 864   extern unsigned IOCTL_FIOASYNC;
 865   extern unsigned IOCTL_FIOCLEX;
 866   extern unsigned IOCTL_FIOGETOWN;
 867   extern unsigned IOCTL_FIONBIO;
 868   extern unsigned IOCTL_FIONCLEX;
 869   extern unsigned IOCTL_FIOSETOWN;
 870   extern unsigned IOCTL_SIOCADDMULTI;
 871   extern unsigned IOCTL_SIOCATMARK;
 872   extern unsigned IOCTL_SIOCDELMULTI;
 873   extern unsigned IOCTL_SIOCGIFADDR;
 874   extern unsigned IOCTL_SIOCGIFBRDADDR;
 875   extern unsigned IOCTL_SIOCGIFCONF;
 876   extern unsigned IOCTL_SIOCGIFDSTADDR;
 877   extern unsigned IOCTL_SIOCGIFFLAGS;
 878   extern unsigned IOCTL_SIOCGIFMETRIC;
 879   extern unsigned IOCTL_SIOCGIFMTU;
 880   extern unsigned IOCTL_SIOCGIFNETMASK;
 881   extern unsigned IOCTL_SIOCGPGRP;
 882   extern unsigned IOCTL_SIOCSIFADDR;
 883   extern unsigned IOCTL_SIOCSIFBRDADDR;
 884   extern unsigned IOCTL_SIOCSIFDSTADDR;
 885   extern unsigned IOCTL_SIOCSIFFLAGS;
 886   extern unsigned IOCTL_SIOCSIFMETRIC;
 887   extern unsigned IOCTL_SIOCSIFMTU;
 888   extern unsigned IOCTL_SIOCSIFNETMASK;
 889   extern unsigned IOCTL_SIOCSPGRP;
 890   extern unsigned IOCTL_TIOCCONS;
 891   extern unsigned IOCTL_TIOCEXCL;
 892   extern unsigned IOCTL_TIOCGETD;
 893   extern unsigned IOCTL_TIOCGPGRP;
 894   extern unsigned IOCTL_TIOCGWINSZ;
 895   extern unsigned IOCTL_TIOCMBIC;
 896   extern unsigned IOCTL_TIOCMBIS;
 897   extern unsigned IOCTL_TIOCMGET;
 898   extern unsigned IOCTL_TIOCMSET;
 899   extern unsigned IOCTL_TIOCNOTTY;
 900   extern unsigned IOCTL_TIOCNXCL;
 901   extern unsigned IOCTL_TIOCOUTQ;
 902   extern unsigned IOCTL_TIOCPKT;
 903   extern unsigned IOCTL_TIOCSCTTY;
 904   extern unsigned IOCTL_TIOCSETD;
 905   extern unsigned IOCTL_TIOCSPGRP;
 906   extern unsigned IOCTL_TIOCSTI;
 907   extern unsigned IOCTL_TIOCSWINSZ;
 908 #if (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
 909   extern unsigned IOCTL_SIOCGETSGCNT;
 910   extern unsigned IOCTL_SIOCGETVIFCNT;
 911 #endif
 912 #if SANITIZER_LINUX
 913   extern unsigned IOCTL_EVIOCGABS;
 914   extern unsigned IOCTL_EVIOCGBIT;
 915   extern unsigned IOCTL_EVIOCGEFFECTS;
 916   extern unsigned IOCTL_EVIOCGID;
 917   extern unsigned IOCTL_EVIOCGKEY;
 918   extern unsigned IOCTL_EVIOCGKEYCODE;
 919   extern unsigned IOCTL_EVIOCGLED;
 920   extern unsigned IOCTL_EVIOCGNAME;
 921   extern unsigned IOCTL_EVIOCGPHYS;
 922   extern unsigned IOCTL_EVIOCGRAB;
 923   extern unsigned IOCTL_EVIOCGREP;
 924   extern unsigned IOCTL_EVIOCGSND;
 925   extern unsigned IOCTL_EVIOCGSW;
 926   extern unsigned IOCTL_EVIOCGUNIQ;
 927   extern unsigned IOCTL_EVIOCGVERSION;
 928   extern unsigned IOCTL_EVIOCRMFF;
 929   extern unsigned IOCTL_EVIOCSABS;
 930   extern unsigned IOCTL_EVIOCSFF;
 931   extern unsigned IOCTL_EVIOCSKEYCODE;
 932   extern unsigned IOCTL_EVIOCSREP;
 933   extern unsigned IOCTL_BLKFLSBUF;
 934   extern unsigned IOCTL_BLKGETSIZE;
 935   extern unsigned IOCTL_BLKRAGET;
 936   extern unsigned IOCTL_BLKRASET;
 937   extern unsigned IOCTL_BLKROGET;
 938   extern unsigned IOCTL_BLKROSET;
 939   extern unsigned IOCTL_BLKRRPART;
 940   extern unsigned IOCTL_CDROMAUDIOBUFSIZ;
 941   extern unsigned IOCTL_CDROMEJECT;
 942   extern unsigned IOCTL_CDROMEJECT_SW;
 943   extern unsigned IOCTL_CDROMMULTISESSION;
 944   extern unsigned IOCTL_CDROMPAUSE;
 945   extern unsigned IOCTL_CDROMPLAYMSF;
 946   extern unsigned IOCTL_CDROMPLAYTRKIND;
 947   extern unsigned IOCTL_CDROMREADAUDIO;
 948   extern unsigned IOCTL_CDROMREADCOOKED;
 949   extern unsigned IOCTL_CDROMREADMODE1;
 950   extern unsigned IOCTL_CDROMREADMODE2;
 951   extern unsigned IOCTL_CDROMREADRAW;
 952   extern unsigned IOCTL_CDROMREADTOCENTRY;
 953   extern unsigned IOCTL_CDROMREADTOCHDR;
 954   extern unsigned IOCTL_CDROMRESET;
 955   extern unsigned IOCTL_CDROMRESUME;
 956   extern unsigned IOCTL_CDROMSEEK;
 957   extern unsigned IOCTL_CDROMSTART;
 958   extern unsigned IOCTL_CDROMSTOP;
 959   extern unsigned IOCTL_CDROMSUBCHNL;
 960   extern unsigned IOCTL_CDROMVOLCTRL;
 961   extern unsigned IOCTL_CDROMVOLREAD;
 962   extern unsigned IOCTL_CDROM_GET_UPC;
 963   extern unsigned IOCTL_FDCLRPRM;
 964   extern unsigned IOCTL_FDDEFPRM;
 965   extern unsigned IOCTL_FDFLUSH;
 966   extern unsigned IOCTL_FDFMTBEG;
 967   extern unsigned IOCTL_FDFMTEND;
 968   extern unsigned IOCTL_FDFMTTRK;
 969   extern unsigned IOCTL_FDGETDRVPRM;
 970   extern unsigned IOCTL_FDGETDRVSTAT;
 971   extern unsigned IOCTL_FDGETDRVTYP;
 972   extern unsigned IOCTL_FDGETFDCSTAT;
 973   extern unsigned IOCTL_FDGETMAXERRS;
 974   extern unsigned IOCTL_FDGETPRM;
 975   extern unsigned IOCTL_FDMSGOFF;
 976   extern unsigned IOCTL_FDMSGON;
 977   extern unsigned IOCTL_FDPOLLDRVSTAT;
 978   extern unsigned IOCTL_FDRAWCMD;
 979   extern unsigned IOCTL_FDRESET;
 980   extern unsigned IOCTL_FDSETDRVPRM;
 981   extern unsigned IOCTL_FDSETEMSGTRESH;
 982   extern unsigned IOCTL_FDSETMAXERRS;
 983   extern unsigned IOCTL_FDSETPRM;
 984   extern unsigned IOCTL_FDTWADDLE;
 985   extern unsigned IOCTL_FDWERRORCLR;
 986   extern unsigned IOCTL_FDWERRORGET;
 987   extern unsigned IOCTL_HDIO_DRIVE_CMD;
 988   extern unsigned IOCTL_HDIO_GETGEO;
 989   extern unsigned IOCTL_HDIO_GET_32BIT;
 990   extern unsigned IOCTL_HDIO_GET_DMA;
 991   extern unsigned IOCTL_HDIO_GET_IDENTITY;
 992   extern unsigned IOCTL_HDIO_GET_KEEPSETTINGS;
 993   extern unsigned IOCTL_HDIO_GET_MULTCOUNT;
 994   extern unsigned IOCTL_HDIO_GET_NOWERR;
 995   extern unsigned IOCTL_HDIO_GET_UNMASKINTR;
 996   extern unsigned IOCTL_HDIO_SET_32BIT;
 997   extern unsigned IOCTL_HDIO_SET_DMA;
 998   extern unsigned IOCTL_HDIO_SET_KEEPSETTINGS;
 999   extern unsigned IOCTL_HDIO_SET_MULTCOUNT;
1000   extern unsigned IOCTL_HDIO_SET_NOWERR;
1001   extern unsigned IOCTL_HDIO_SET_UNMASKINTR;
1002   extern unsigned IOCTL_MTIOCPOS;
1003   extern unsigned IOCTL_PPPIOCGASYNCMAP;
1004   extern unsigned IOCTL_PPPIOCGDEBUG;
1005   extern unsigned IOCTL_PPPIOCGFLAGS;
1006   extern unsigned IOCTL_PPPIOCGUNIT;
1007   extern unsigned IOCTL_PPPIOCGXASYNCMAP;
1008   extern unsigned IOCTL_PPPIOCSASYNCMAP;
1009   extern unsigned IOCTL_PPPIOCSDEBUG;
1010   extern unsigned IOCTL_PPPIOCSFLAGS;
1011   extern unsigned IOCTL_PPPIOCSMAXCID;
1012   extern unsigned IOCTL_PPPIOCSMRU;
1013   extern unsigned IOCTL_PPPIOCSXASYNCMAP;
1014   extern unsigned IOCTL_SIOCDARP;
1015   extern unsigned IOCTL_SIOCDRARP;
1016   extern unsigned IOCTL_SIOCGARP;
1017   extern unsigned IOCTL_SIOCGIFENCAP;
1018   extern unsigned IOCTL_SIOCGIFHWADDR;
1019   extern unsigned IOCTL_SIOCGIFMAP;
1020   extern unsigned IOCTL_SIOCGIFMEM;
1021   extern unsigned IOCTL_SIOCGIFNAME;
1022   extern unsigned IOCTL_SIOCGIFSLAVE;
1023   extern unsigned IOCTL_SIOCGRARP;
1024   extern unsigned IOCTL_SIOCGSTAMP;
1025   extern unsigned IOCTL_SIOCSARP;
1026   extern unsigned IOCTL_SIOCSIFENCAP;
1027   extern unsigned IOCTL_SIOCSIFHWADDR;
1028   extern unsigned IOCTL_SIOCSIFLINK;
1029   extern unsigned IOCTL_SIOCSIFMAP;
1030   extern unsigned IOCTL_SIOCSIFMEM;
1031   extern unsigned IOCTL_SIOCSIFSLAVE;
1032   extern unsigned IOCTL_SIOCSRARP;
1033   extern unsigned IOCTL_SNDCTL_COPR_HALT;
1034   extern unsigned IOCTL_SNDCTL_COPR_LOAD;
1035   extern unsigned IOCTL_SNDCTL_COPR_RCODE;
1036   extern unsigned IOCTL_SNDCTL_COPR_RCVMSG;
1037   extern unsigned IOCTL_SNDCTL_COPR_RDATA;
1038   extern unsigned IOCTL_SNDCTL_COPR_RESET;
1039   extern unsigned IOCTL_SNDCTL_COPR_RUN;
1040   extern unsigned IOCTL_SNDCTL_COPR_SENDMSG;
1041   extern unsigned IOCTL_SNDCTL_COPR_WCODE;
1042   extern unsigned IOCTL_SNDCTL_COPR_WDATA;
1043   extern unsigned IOCTL_TCFLSH;
1044   extern unsigned IOCTL_TCGETA;
1045   extern unsigned IOCTL_TCGETS;
1046   extern unsigned IOCTL_TCSBRK;
1047   extern unsigned IOCTL_TCSBRKP;
1048   extern unsigned IOCTL_TCSETA;
1049   extern unsigned IOCTL_TCSETAF;
1050   extern unsigned IOCTL_TCSETAW;
1051   extern unsigned IOCTL_TCSETS;
1052   extern unsigned IOCTL_TCSETSF;
1053   extern unsigned IOCTL_TCSETSW;
1054   extern unsigned IOCTL_TCXONC;
1055   extern unsigned IOCTL_TIOCGLCKTRMIOS;
1056   extern unsigned IOCTL_TIOCGSOFTCAR;
1057   extern unsigned IOCTL_TIOCINQ;
1058   extern unsigned IOCTL_TIOCLINUX;
1059   extern unsigned IOCTL_TIOCSERCONFIG;
1060   extern unsigned IOCTL_TIOCSERGETLSR;
1061   extern unsigned IOCTL_TIOCSERGWILD;
1062   extern unsigned IOCTL_TIOCSERSWILD;
1063   extern unsigned IOCTL_TIOCSLCKTRMIOS;
1064   extern unsigned IOCTL_TIOCSSOFTCAR;
1065   extern unsigned IOCTL_VT_DISALLOCATE;
1066   extern unsigned IOCTL_VT_GETSTATE;
1067   extern unsigned IOCTL_VT_RESIZE;
1068   extern unsigned IOCTL_VT_RESIZEX;
1069   extern unsigned IOCTL_VT_SENDSIG;
1070 #endif  // SANITIZER_LINUX
1071 #if SANITIZER_LINUX || SANITIZER_FREEBSD
1072   extern unsigned IOCTL_MTIOCGET;
1073   extern unsigned IOCTL_MTIOCTOP;
1074   extern unsigned IOCTL_SIOCADDRT;
1075   extern unsigned IOCTL_SIOCDELRT;
1076   extern unsigned IOCTL_SNDCTL_DSP_GETBLKSIZE;
1077   extern unsigned IOCTL_SNDCTL_DSP_GETFMTS;
1078   extern unsigned IOCTL_SNDCTL_DSP_NONBLOCK;
1079   extern unsigned IOCTL_SNDCTL_DSP_POST;
1080   extern unsigned IOCTL_SNDCTL_DSP_RESET;
1081   extern unsigned IOCTL_SNDCTL_DSP_SETFMT;
1082   extern unsigned IOCTL_SNDCTL_DSP_SETFRAGMENT;
1083   extern unsigned IOCTL_SNDCTL_DSP_SPEED;
1084   extern unsigned IOCTL_SNDCTL_DSP_STEREO;
1085   extern unsigned IOCTL_SNDCTL_DSP_SUBDIVIDE;
1086   extern unsigned IOCTL_SNDCTL_DSP_SYNC;
1087   extern unsigned IOCTL_SNDCTL_FM_4OP_ENABLE;
1088   extern unsigned IOCTL_SNDCTL_FM_LOAD_INSTR;
1089   extern unsigned IOCTL_SNDCTL_MIDI_INFO;
1090   extern unsigned IOCTL_SNDCTL_MIDI_PRETIME;
1091   extern unsigned IOCTL_SNDCTL_SEQ_CTRLRATE;
1092   extern unsigned IOCTL_SNDCTL_SEQ_GETINCOUNT;
1093   extern unsigned IOCTL_SNDCTL_SEQ_GETOUTCOUNT;
1094   extern unsigned IOCTL_SNDCTL_SEQ_NRMIDIS;
1095   extern unsigned IOCTL_SNDCTL_SEQ_NRSYNTHS;
1096   extern unsigned IOCTL_SNDCTL_SEQ_OUTOFBAND;
1097   extern unsigned IOCTL_SNDCTL_SEQ_PANIC;
1098   extern unsigned IOCTL_SNDCTL_SEQ_PERCMODE;
1099   extern unsigned IOCTL_SNDCTL_SEQ_RESET;
1100   extern unsigned IOCTL_SNDCTL_SEQ_RESETSAMPLES;
1101   extern unsigned IOCTL_SNDCTL_SEQ_SYNC;
1102   extern unsigned IOCTL_SNDCTL_SEQ_TESTMIDI;
1103   extern unsigned IOCTL_SNDCTL_SEQ_THRESHOLD;
1104   extern unsigned IOCTL_SNDCTL_SYNTH_INFO;
1105   extern unsigned IOCTL_SNDCTL_SYNTH_MEMAVL;
1106   extern unsigned IOCTL_SNDCTL_TMR_CONTINUE;
1107   extern unsigned IOCTL_SNDCTL_TMR_METRONOME;
1108   extern unsigned IOCTL_SNDCTL_TMR_SELECT;
1109   extern unsigned IOCTL_SNDCTL_TMR_SOURCE;
1110   extern unsigned IOCTL_SNDCTL_TMR_START;
1111   extern unsigned IOCTL_SNDCTL_TMR_STOP;
1112   extern unsigned IOCTL_SNDCTL_TMR_TEMPO;
1113   extern unsigned IOCTL_SNDCTL_TMR_TIMEBASE;
1114   extern unsigned IOCTL_SOUND_MIXER_READ_ALTPCM;
1115   extern unsigned IOCTL_SOUND_MIXER_READ_BASS;
1116   extern unsigned IOCTL_SOUND_MIXER_READ_CAPS;
1117   extern unsigned IOCTL_SOUND_MIXER_READ_CD;
1118   extern unsigned IOCTL_SOUND_MIXER_READ_DEVMASK;
1119   extern unsigned IOCTL_SOUND_MIXER_READ_ENHANCE;
1120   extern unsigned IOCTL_SOUND_MIXER_READ_IGAIN;
1121   extern unsigned IOCTL_SOUND_MIXER_READ_IMIX;
1122   extern unsigned IOCTL_SOUND_MIXER_READ_LINE1;
1123   extern unsigned IOCTL_SOUND_MIXER_READ_LINE2;
1124   extern unsigned IOCTL_SOUND_MIXER_READ_LINE3;
1125   extern unsigned IOCTL_SOUND_MIXER_READ_LINE;
1126   extern unsigned IOCTL_SOUND_MIXER_READ_LOUD;
1127   extern unsigned IOCTL_SOUND_MIXER_READ_MIC;
1128   extern unsigned IOCTL_SOUND_MIXER_READ_MUTE;
1129   extern unsigned IOCTL_SOUND_MIXER_READ_OGAIN;
1130   extern unsigned IOCTL_SOUND_MIXER_READ_PCM;
1131   extern unsigned IOCTL_SOUND_MIXER_READ_RECLEV;
1132   extern unsigned IOCTL_SOUND_MIXER_READ_RECMASK;
1133   extern unsigned IOCTL_SOUND_MIXER_READ_RECSRC;
1134   extern unsigned IOCTL_SOUND_MIXER_READ_SPEAKER;
1135   extern unsigned IOCTL_SOUND_MIXER_READ_STEREODEVS;
1136   extern unsigned IOCTL_SOUND_MIXER_READ_SYNTH;
1137   extern unsigned IOCTL_SOUND_MIXER_READ_TREBLE;
1138   extern unsigned IOCTL_SOUND_MIXER_READ_VOLUME;
1139   extern unsigned IOCTL_SOUND_MIXER_WRITE_ALTPCM;
1140   extern unsigned IOCTL_SOUND_MIXER_WRITE_BASS;
1141   extern unsigned IOCTL_SOUND_MIXER_WRITE_CD;
1142   extern unsigned IOCTL_SOUND_MIXER_WRITE_ENHANCE;
1143   extern unsigned IOCTL_SOUND_MIXER_WRITE_IGAIN;
1144   extern unsigned IOCTL_SOUND_MIXER_WRITE_IMIX;
1145   extern unsigned IOCTL_SOUND_MIXER_WRITE_LINE1;
1146   extern unsigned IOCTL_SOUND_MIXER_WRITE_LINE2;
1147   extern unsigned IOCTL_SOUND_MIXER_WRITE_LINE3;
1148   extern unsigned IOCTL_SOUND_MIXER_WRITE_LINE;
1149   extern unsigned IOCTL_SOUND_MIXER_WRITE_LOUD;
1150   extern unsigned IOCTL_SOUND_MIXER_WRITE_MIC;
1151   extern unsigned IOCTL_SOUND_MIXER_WRITE_MUTE;
1152   extern unsigned IOCTL_SOUND_MIXER_WRITE_OGAIN;
1153   extern unsigned IOCTL_SOUND_MIXER_WRITE_PCM;
1154   extern unsigned IOCTL_SOUND_MIXER_WRITE_RECLEV;
1155   extern unsigned IOCTL_SOUND_MIXER_WRITE_RECSRC;
1156   extern unsigned IOCTL_SOUND_MIXER_WRITE_SPEAKER;
1157   extern unsigned IOCTL_SOUND_MIXER_WRITE_SYNTH;
1158   extern unsigned IOCTL_SOUND_MIXER_WRITE_TREBLE;
1159   extern unsigned IOCTL_SOUND_MIXER_WRITE_VOLUME;
1160   extern unsigned IOCTL_SOUND_PCM_READ_BITS;
1161   extern unsigned IOCTL_SOUND_PCM_READ_CHANNELS;
1162   extern unsigned IOCTL_SOUND_PCM_READ_FILTER;
1163   extern unsigned IOCTL_SOUND_PCM_READ_RATE;
1164   extern unsigned IOCTL_SOUND_PCM_WRITE_CHANNELS;
1165   extern unsigned IOCTL_SOUND_PCM_WRITE_FILTER;
1166   extern unsigned IOCTL_VT_ACTIVATE;
1167   extern unsigned IOCTL_VT_GETMODE;
1168   extern unsigned IOCTL_VT_OPENQRY;
1169   extern unsigned IOCTL_VT_RELDISP;
1170   extern unsigned IOCTL_VT_SETMODE;
1171   extern unsigned IOCTL_VT_WAITACTIVE;
1172 #endif  // SANITIZER_LINUX || SANITIZER_FREEBSD
1173
1174 #if SANITIZER_LINUX && !SANITIZER_ANDROID
1175   extern unsigned IOCTL_CYGETDEFTHRESH;
1176   extern unsigned IOCTL_CYGETDEFTIMEOUT;
1177   extern unsigned IOCTL_CYGETMON;
1178   extern unsigned IOCTL_CYGETTHRESH;
1179   extern unsigned IOCTL_CYGETTIMEOUT;
1180   extern unsigned IOCTL_CYSETDEFTHRESH;
1181   extern unsigned IOCTL_CYSETDEFTIMEOUT;
1182   extern unsigned IOCTL_CYSETTHRESH;
1183   extern unsigned IOCTL_CYSETTIMEOUT;
1184   extern unsigned IOCTL_EQL_EMANCIPATE;
1185   extern unsigned IOCTL_EQL_ENSLAVE;
1186   extern unsigned IOCTL_EQL_GETMASTRCFG;
1187   extern unsigned IOCTL_EQL_GETSLAVECFG;
1188   extern unsigned IOCTL_EQL_SETMASTRCFG;
1189   extern unsigned IOCTL_EQL_SETSLAVECFG;
1190   extern unsigned IOCTL_EVIOCGKEYCODE_V2;
1191   extern unsigned IOCTL_EVIOCGPROP;
1192   extern unsigned IOCTL_EVIOCSKEYCODE_V2;
1193   extern unsigned IOCTL_FS_IOC_GETFLAGS;
1194   extern unsigned IOCTL_FS_IOC_GETVERSION;
1195   extern unsigned IOCTL_FS_IOC_SETFLAGS;
1196   extern unsigned IOCTL_FS_IOC_SETVERSION;
1197   extern unsigned IOCTL_GIO_CMAP;
1198   extern unsigned IOCTL_GIO_FONT;
1199   extern unsigned IOCTL_GIO_UNIMAP;
1200   extern unsigned IOCTL_GIO_UNISCRNMAP;
1201   extern unsigned IOCTL_KDADDIO;
1202   extern unsigned IOCTL_KDDELIO;
1203   extern unsigned IOCTL_KDGETKEYCODE;
1204   extern unsigned IOCTL_KDGKBDIACR;
1205   extern unsigned IOCTL_KDGKBENT;
1206   extern unsigned IOCTL_KDGKBLED;
1207   extern unsigned IOCTL_KDGKBMETA;
1208   extern unsigned IOCTL_KDGKBSENT;
1209   extern unsigned IOCTL_KDMAPDISP;
1210   extern unsigned IOCTL_KDSETKEYCODE;
1211   extern unsigned IOCTL_KDSIGACCEPT;
1212   extern unsigned IOCTL_KDSKBDIACR;
1213   extern unsigned IOCTL_KDSKBENT;
1214   extern unsigned IOCTL_KDSKBLED;
1215   extern unsigned IOCTL_KDSKBMETA;
1216   extern unsigned IOCTL_KDSKBSENT;
1217   extern unsigned IOCTL_KDUNMAPDISP;
1218   extern unsigned IOCTL_LPABORT;
1219   extern unsigned IOCTL_LPABORTOPEN;
1220   extern unsigned IOCTL_LPCAREFUL;
1221   extern unsigned IOCTL_LPCHAR;
1222   extern unsigned IOCTL_LPGETIRQ;
1223   extern unsigned IOCTL_LPGETSTATUS;
1224   extern unsigned IOCTL_LPRESET;
1225   extern unsigned IOCTL_LPSETIRQ;
1226   extern unsigned IOCTL_LPTIME;
1227   extern unsigned IOCTL_LPWAIT;
1228   extern unsigned IOCTL_MTIOCGETCONFIG;
1229   extern unsigned IOCTL_MTIOCSETCONFIG;
1230   extern unsigned IOCTL_PIO_CMAP;
1231   extern unsigned IOCTL_PIO_FONT;
1232   extern unsigned IOCTL_PIO_UNIMAP;
1233   extern unsigned IOCTL_PIO_UNIMAPCLR;
1234   extern unsigned IOCTL_PIO_UNISCRNMAP;
1235   extern unsigned IOCTL_SCSI_IOCTL_GET_IDLUN;
1236   extern unsigned IOCTL_SCSI_IOCTL_PROBE_HOST;
1237   extern unsigned IOCTL_SCSI_IOCTL_TAGGED_DISABLE;
1238   extern unsigned IOCTL_SCSI_IOCTL_TAGGED_ENABLE;
1239   extern unsigned IOCTL_SIOCAIPXITFCRT;
1240   extern unsigned IOCTL_SIOCAIPXPRISLT;
1241   extern unsigned IOCTL_SIOCAX25ADDUID;
1242   extern unsigned IOCTL_SIOCAX25DELUID;
1243   extern unsigned IOCTL_SIOCAX25GETPARMS;
1244   extern unsigned IOCTL_SIOCAX25GETUID;
1245   extern unsigned IOCTL_SIOCAX25NOUID;
1246   extern unsigned IOCTL_SIOCAX25SETPARMS;
1247   extern unsigned IOCTL_SIOCDEVPLIP;
1248   extern unsigned IOCTL_SIOCIPXCFGDATA;
1249   extern unsigned IOCTL_SIOCNRDECOBS;
1250   extern unsigned IOCTL_SIOCNRGETPARMS;
1251   extern unsigned IOCTL_SIOCNRRTCTL;
1252   extern unsigned IOCTL_SIOCNRSETPARMS;
1253   extern unsigned IOCTL_SNDCTL_DSP_GETISPACE;
1254   extern unsigned IOCTL_SNDCTL_DSP_GETOSPACE;
1255   extern unsigned IOCTL_TIOCGSERIAL;
1256   extern unsigned IOCTL_TIOCSERGETMULTI;
1257   extern unsigned IOCTL_TIOCSERSETMULTI;
1258   extern unsigned IOCTL_TIOCSSERIAL;
1259 #endif  // SANITIZER_LINUX && !SANITIZER_ANDROID
1260
1261 #if (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
1262   extern unsigned IOCTL_GIO_SCRNMAP;
1263   extern unsigned IOCTL_KDDISABIO;
1264   extern unsigned IOCTL_KDENABIO;
1265   extern unsigned IOCTL_KDGETLED;
1266   extern unsigned IOCTL_KDGETMODE;
1267   extern unsigned IOCTL_KDGKBMODE;
1268   extern unsigned IOCTL_KDGKBTYPE;
1269   extern unsigned IOCTL_KDMKTONE;
1270   extern unsigned IOCTL_KDSETLED;
1271   extern unsigned IOCTL_KDSETMODE;
1272   extern unsigned IOCTL_KDSKBMODE;
1273   extern unsigned IOCTL_KIOCSOUND;
1274   extern unsigned IOCTL_PIO_SCRNMAP;
1275 #endif
1276
1277   extern const int errno_EINVAL;
1278   extern const int errno_EOWNERDEAD;
1279
1280   extern const int si_SEGV_MAPERR;
1281   extern const int si_SEGV_ACCERR;
1282 }  // namespace __sanitizer
1283
1284 #define CHECK_TYPE_SIZE(TYPE) \
1285   COMPILER_CHECK(sizeof(__sanitizer_##TYPE) == sizeof(TYPE))
1286
1287 #define CHECK_SIZE_AND_OFFSET(CLASS, MEMBER)                       \
1288   COMPILER_CHECK(sizeof(((__sanitizer_##CLASS *) NULL)->MEMBER) == \
1289                  sizeof(((CLASS *) NULL)->MEMBER));                \
1290   COMPILER_CHECK(offsetof(__sanitizer_##CLASS, MEMBER) ==          \
1291                  offsetof(CLASS, MEMBER))
1292
1293 // For sigaction, which is a function and struct at the same time,
1294 // and thus requires explicit "struct" in sizeof() expression.
1295 #define CHECK_STRUCT_SIZE_AND_OFFSET(CLASS, MEMBER)                       \
1296   COMPILER_CHECK(sizeof(((struct __sanitizer_##CLASS *) NULL)->MEMBER) == \
1297                  sizeof(((struct CLASS *) NULL)->MEMBER));                \
1298   COMPILER_CHECK(offsetof(struct __sanitizer_##CLASS, MEMBER) ==          \
1299                  offsetof(struct CLASS, MEMBER))
1300
1301 #endif