contrib/compiler-rt/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 #if SANITIZER_FREEBSD
  22 // FreeBSD's dlopen() returns a pointer to an Obj_Entry structure that
  23 // incorporates the map structure.
  24 # define GET_LINK_MAP_BY_DLOPEN_HANDLE(handle) \
  25     ((link_map*)((handle) == nullptr ? nullptr : ((char*)(handle) + 544)))
  26 #else
  27 # define GET_LINK_MAP_BY_DLOPEN_HANDLE(handle) ((link_map*)(handle))
  28 #endif  // !SANITIZER_FREEBSD
  29
  30 #ifndef __GLIBC_PREREQ
  31 #define __GLIBC_PREREQ(x, y) 0
  32 #endif
  33
  34 namespace __sanitizer {
  35   extern unsigned struct_utsname_sz;
  36   extern unsigned struct_stat_sz;
  37 #if !SANITIZER_FREEBSD && !SANITIZER_IOS
  38   extern unsigned struct_stat64_sz;
  39 #endif
  40   extern unsigned struct_rusage_sz;
  41   extern unsigned siginfo_t_sz;
  42   extern unsigned struct_itimerval_sz;
  43   extern unsigned pthread_t_sz;
  44   extern unsigned pthread_cond_t_sz;
  45   extern unsigned pid_t_sz;
  46   extern unsigned timeval_sz;
  47   extern unsigned uid_t_sz;
  48   extern unsigned gid_t_sz;
  49   extern unsigned mbstate_t_sz;
  50   extern unsigned struct_timezone_sz;
  51   extern unsigned struct_tms_sz;
  52   extern unsigned struct_itimerspec_sz;
  53   extern unsigned struct_sigevent_sz;
  54   extern unsigned struct_sched_param_sz;
  55   extern unsigned struct_statfs64_sz;
  56
  57 #if !SANITIZER_ANDROID
  58   extern unsigned struct_statfs_sz;
  59   extern unsigned struct_sockaddr_sz;
  60   extern unsigned ucontext_t_sz;
  61 #endif // !SANITIZER_ANDROID
  62
  63 #if SANITIZER_LINUX
  64
  65 #if defined(__x86_64__)
  66   const unsigned struct_kernel_stat_sz = 144;
  67   const unsigned struct_kernel_stat64_sz = 0;
  68 #elif defined(__i386__)
  69   const unsigned struct_kernel_stat_sz = 64;
  70   const unsigned struct_kernel_stat64_sz = 96;
  71 #elif defined(__arm__)
  72   const unsigned struct_kernel_stat_sz = 64;
  73   const unsigned struct_kernel_stat64_sz = 104;
  74 #elif defined(__aarch64__)
  75   const unsigned struct_kernel_stat_sz = 128;
  76   const unsigned struct_kernel_stat64_sz = 104;
  77 #elif defined(__powerpc__) && !defined(__powerpc64__)
  78   const unsigned struct_kernel_stat_sz = 72;
  79   const unsigned struct_kernel_stat64_sz = 104;
  80 #elif defined(__powerpc64__)
  81   const unsigned struct_kernel_stat_sz = 144;
  82   const unsigned struct_kernel_stat64_sz = 104;
  83 #elif defined(__riscv__)
  84   /* RISCVTODO: check that these values are correct */
  85   const unsigned struct_kernel_stat_sz = 128;
  86   const unsigned struct_kernel_stat64_sz = 128;
  87 #elif defined(__mips__)
  88   const unsigned struct_kernel_stat_sz =
  89                  SANITIZER_ANDROID ? FIRST_32_SECOND_64(104, 128) :
  90                                      FIRST_32_SECOND_64(160, 216);
  91   const unsigned struct_kernel_stat64_sz = 104;
  92 #elif defined(__s390__) && !defined(__s390x__)
  93   const unsigned struct_kernel_stat_sz = 64;
  94   const unsigned struct_kernel_stat64_sz = 104;
  95 #elif defined(__s390x__)
  96   const unsigned struct_kernel_stat_sz = 144;
  97   const unsigned struct_kernel_stat64_sz = 0;
  98 #elif defined(__sparc__) && defined(__arch64__)
  99   const unsigned struct___old_kernel_stat_sz = 0;
 100   const unsigned struct_kernel_stat_sz = 104;
 101   const unsigned struct_kernel_stat64_sz = 144;
 102 #elif defined(__sparc__) && !defined(__arch64__)
 103   const unsigned struct___old_kernel_stat_sz = 0;
 104   const unsigned struct_kernel_stat_sz = 64;
 105   const unsigned struct_kernel_stat64_sz = 104;
 106 #endif
 107   struct __sanitizer_perf_event_attr {
 108     unsigned type;
 109     unsigned size;
 110     // More fields that vary with the kernel version.
 111   };
 112
 113   extern unsigned struct_epoll_event_sz;
 114   extern unsigned struct_sysinfo_sz;
 115   extern unsigned __user_cap_header_struct_sz;
 116   extern unsigned __user_cap_data_struct_sz;
 117   extern unsigned struct_new_utsname_sz;
 118   extern unsigned struct_old_utsname_sz;
 119   extern unsigned struct_oldold_utsname_sz;
 120
 121   const unsigned struct_kexec_segment_sz = 4 * sizeof(unsigned long);
 122 #endif  // SANITIZER_LINUX
 123
 124 #if SANITIZER_LINUX || SANITIZER_FREEBSD
 125
 126 #if defined(__powerpc64__) || defined(__riscv__) || defined(__s390__)
 127   const unsigned struct___old_kernel_stat_sz = 0;
 128 #elif !defined(__sparc__)
 129   const unsigned struct___old_kernel_stat_sz = 32;
 130 #endif
 131
 132   extern unsigned struct_rlimit_sz;
 133   extern unsigned struct_utimbuf_sz;
 134   extern unsigned struct_timespec_sz;
 135
 136   struct __sanitizer_iocb {
 137     u64   aio_data;
 138     u32   aio_key_or_aio_reserved1; // Simply crazy.
 139     u32   aio_reserved1_or_aio_key; // Luckily, we don't need these.
 140     u16   aio_lio_opcode;
 141     s16   aio_reqprio;
 142     u32   aio_fildes;
 143     u64   aio_buf;
 144     u64   aio_nbytes;
 145     s64   aio_offset;
 146     u64   aio_reserved2;
 147     u64   aio_reserved3;
 148   };
 149
 150   struct __sanitizer_io_event {
 151     u64 data;
 152     u64 obj;
 153     u64 res;
 154     u64 res2;
 155   };
 156
 157   const unsigned iocb_cmd_pread = 0;
 158   const unsigned iocb_cmd_pwrite = 1;
 159   const unsigned iocb_cmd_preadv = 7;
 160   const unsigned iocb_cmd_pwritev = 8;
 161
 162   struct __sanitizer___sysctl_args {
 163     int *name;
 164     int nlen;
 165     void *oldval;
 166     uptr *oldlenp;
 167     void *newval;
 168     uptr newlen;
 169     unsigned long ___unused[4];
 170   };
 171
 172   const unsigned old_sigset_t_sz = sizeof(unsigned long);
 173
 174   struct __sanitizer_sem_t {
 175 #if SANITIZER_ANDROID && defined(_LP64)
 176     int data[4];
 177 #elif SANITIZER_ANDROID && !defined(_LP64)
 178     int data;
 179 #elif SANITIZER_LINUX
 180     uptr data[4];
 181 #elif SANITIZER_FREEBSD
 182     u32 data[4];
 183 #endif
 184   };
 185 #endif // SANITIZER_LINUX || SANITIZER_FREEBSD
 186
 187 #if SANITIZER_ANDROID
 188   struct __sanitizer_mallinfo {
 189     uptr v[10];
 190   };
 191 #endif
 192
 193 #if SANITIZER_LINUX && !SANITIZER_ANDROID
 194   struct __sanitizer_mallinfo {
 195     int v[10];
 196   };
 197
 198   extern unsigned struct_ustat_sz;
 199   extern unsigned struct_rlimit64_sz;
 200   extern unsigned struct_statvfs64_sz;
 201
 202   struct __sanitizer_ipc_perm {
 203     int __key;
 204     int uid;
 205     int gid;
 206     int cuid;
 207     int cgid;
 208 #ifdef __powerpc__
 209     unsigned mode;
 210     unsigned __seq;
 211     u64 __unused1;
 212     u64 __unused2;
 213 #elif defined(__sparc__)
 214 #if defined(__arch64__)
 215     unsigned mode;
 216     unsigned short __pad1;
 217 #else
 218     unsigned short __pad1;
 219     unsigned short mode;
 220     unsigned short __pad2;
 221 #endif
 222     unsigned short __seq;
 223     unsigned long long __unused1;
 224     unsigned long long __unused2;
 225 #elif defined(__mips__) || defined(__aarch64__) || defined(__s390x__)
 226     unsigned int mode;
 227     unsigned short __seq;
 228     unsigned short __pad1;
 229     unsigned long __unused1;
 230     unsigned long __unused2;
 231 #else
 232     unsigned short mode;
 233     unsigned short __pad1;
 234     unsigned short __seq;
 235     unsigned short __pad2;
 236 #if defined(__x86_64__) && !defined(_LP64)
 237     u64 __unused1;
 238     u64 __unused2;
 239 #else
 240     unsigned long __unused1;
 241     unsigned long __unused2;
 242 #endif
 243 #endif
 244   };
 245
 246   struct __sanitizer_shmid_ds {
 247     __sanitizer_ipc_perm shm_perm;
 248   #if defined(__sparc__)
 249   #if !defined(__arch64__)
 250     u32 __pad1;
 251   #endif
 252     long shm_atime;
 253   #if !defined(__arch64__)
 254     u32 __pad2;
 255   #endif
 256     long shm_dtime;
 257   #if !defined(__arch64__)
 258     u32 __pad3;
 259   #endif
 260     long shm_ctime;
 261     uptr shm_segsz;
 262     int shm_cpid;
 263     int shm_lpid;
 264     unsigned long shm_nattch;
 265     unsigned long __glibc_reserved1;
 266     unsigned long __glibc_reserved2;
 267   #else
 268   #ifndef __powerpc__
 269     uptr shm_segsz;
 270   #elif !defined(__powerpc64__)
 271     uptr __unused0;
 272   #endif
 273   #if defined(__x86_64__) && !defined(_LP64)
 274     u64 shm_atime;
 275     u64 shm_dtime;
 276     u64 shm_ctime;
 277   #else
 278     uptr shm_atime;
 279   #if !defined(_LP64) && !defined(__mips__)
 280     uptr __unused1;
 281   #endif
 282     uptr shm_dtime;
 283   #if !defined(_LP64) && !defined(__mips__)
 284     uptr __unused2;
 285   #endif
 286     uptr shm_ctime;
 287   #if !defined(_LP64) && !defined(__mips__)
 288     uptr __unused3;
 289   #endif
 290   #endif
 291   #ifdef __powerpc__
 292     uptr shm_segsz;
 293   #endif
 294     int shm_cpid;
 295     int shm_lpid;
 296   #if defined(__x86_64__) && !defined(_LP64)
 297     u64 shm_nattch;
 298     u64 __unused4;
 299     u64 __unused5;
 300   #else
 301     uptr shm_nattch;
 302     uptr __unused4;
 303     uptr __unused5;
 304   #endif
 305 #endif
 306   };
 307 #elif SANITIZER_FREEBSD
 308   struct __sanitizer_ipc_perm {
 309     unsigned int cuid;
 310     unsigned int cgid;
 311     unsigned int uid;
 312     unsigned int gid;
 313     unsigned short mode;
 314     unsigned short seq;
 315     long key;
 316   };
 317
 318   struct __sanitizer_shmid_ds {
 319     __sanitizer_ipc_perm shm_perm;
 320     unsigned long shm_segsz;
 321     unsigned int shm_lpid;
 322     unsigned int shm_cpid;
 323     int shm_nattch;
 324     unsigned long shm_atime;
 325     unsigned long shm_dtime;
 326     unsigned long shm_ctime;
 327   };
 328 #endif
 329
 330 #if (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
 331   extern unsigned struct_msqid_ds_sz;
 332   extern unsigned struct_mq_attr_sz;
 333   extern unsigned struct_timex_sz;
 334   extern unsigned struct_statvfs_sz;
 335 #endif  // (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
 336
 337   struct __sanitizer_iovec {
 338     void *iov_base;
 339     uptr iov_len;
 340   };
 341
 342 #if !SANITIZER_ANDROID
 343   struct __sanitizer_ifaddrs {
 344     struct __sanitizer_ifaddrs *ifa_next;
 345     char *ifa_name;
 346     unsigned int ifa_flags;
 347     void *ifa_addr;    // (struct sockaddr *)
 348     void *ifa_netmask; // (struct sockaddr *)
 349     // This is a union on Linux.
 350 # ifdef ifa_dstaddr
 351 # undef ifa_dstaddr
 352 # endif
 353     void *ifa_dstaddr; // (struct sockaddr *)
 354     void *ifa_data;
 355   };
 356 #endif  // !SANITIZER_ANDROID
 357
 358 #if SANITIZER_MAC
 359   typedef unsigned long __sanitizer_pthread_key_t;
 360 #else
 361   typedef unsigned __sanitizer_pthread_key_t;
 362 #endif
 363
 364 #if SANITIZER_LINUX && !SANITIZER_ANDROID
 365
 366   struct __sanitizer_XDR {
 367     int x_op;
 368     void *x_ops;
 369     uptr x_public;
 370     uptr x_private;
 371     uptr x_base;
 372     unsigned x_handy;
 373   };
 374
 375   const int __sanitizer_XDR_ENCODE = 0;
 376   const int __sanitizer_XDR_DECODE = 1;
 377   const int __sanitizer_XDR_FREE = 2;
 378 #endif
 379
 380   struct __sanitizer_passwd {
 381     char *pw_name;
 382     char *pw_passwd;
 383     int pw_uid;
 384     int pw_gid;
 385 #if SANITIZER_MAC || SANITIZER_FREEBSD
 386     long pw_change;
 387     char *pw_class;
 388 #endif
 389 #if !(SANITIZER_ANDROID && (SANITIZER_WORDSIZE == 32))
 390     char *pw_gecos;
 391 #endif
 392     char *pw_dir;
 393     char *pw_shell;
 394 #if SANITIZER_MAC || SANITIZER_FREEBSD
 395     long pw_expire;
 396 #endif
 397 #if SANITIZER_FREEBSD
 398     int pw_fields;
 399 #endif
 400   };
 401
 402   struct __sanitizer_group {
 403     char *gr_name;
 404     char *gr_passwd;
 405     int gr_gid;
 406     char **gr_mem;
 407   };
 408
 409 #if defined(__x86_64__) && !defined(_LP64)
 410   typedef long long __sanitizer_time_t;
 411 #else
 412   typedef long __sanitizer_time_t;
 413 #endif
 414
 415   struct __sanitizer_timeb {
 416     __sanitizer_time_t time;
 417     unsigned short millitm;
 418     short timezone;
 419     short dstflag;
 420   };
 421
 422   struct __sanitizer_ether_addr {
 423     u8 octet[6];
 424   };
 425
 426   struct __sanitizer_tm {
 427     int tm_sec;
 428     int tm_min;
 429     int tm_hour;
 430     int tm_mday;
 431     int tm_mon;
 432     int tm_year;
 433     int tm_wday;
 434     int tm_yday;
 435     int tm_isdst;
 436     long int tm_gmtoff;
 437     const char *tm_zone;
 438   };
 439
 440 #if SANITIZER_LINUX
 441   struct __sanitizer_mntent {
 442     char *mnt_fsname;
 443     char *mnt_dir;
 444     char *mnt_type;
 445     char *mnt_opts;
 446     int mnt_freq;
 447     int mnt_passno;
 448   };
 449 #endif
 450
 451 #if SANITIZER_MAC || SANITIZER_FREEBSD
 452   struct __sanitizer_msghdr {
 453     void *msg_name;
 454     unsigned msg_namelen;
 455     struct __sanitizer_iovec *msg_iov;
 456     unsigned msg_iovlen;
 457     void *msg_control;
 458     unsigned msg_controllen;
 459     int msg_flags;
 460   };
 461   struct __sanitizer_cmsghdr {
 462     unsigned cmsg_len;
 463     int cmsg_level;
 464     int cmsg_type;
 465   };
 466 #else
 467   struct __sanitizer_msghdr {
 468     void *msg_name;
 469     unsigned msg_namelen;
 470     struct __sanitizer_iovec *msg_iov;
 471     uptr msg_iovlen;
 472     void *msg_control;
 473     uptr msg_controllen;
 474     int msg_flags;
 475   };
 476   struct __sanitizer_cmsghdr {
 477     uptr cmsg_len;
 478     int cmsg_level;
 479     int cmsg_type;
 480   };
 481 #endif
 482
 483 #if SANITIZER_MAC
 484   struct __sanitizer_dirent {
 485     unsigned long long d_ino;
 486     unsigned long long d_seekoff;
 487     unsigned short d_reclen;
 488     // more fields that we don't care about
 489   };
 490 #elif SANITIZER_FREEBSD
 491   struct __sanitizer_dirent {
 492     unsigned int d_fileno;
 493     unsigned short d_reclen;
 494     // more fields that we don't care about
 495   };
 496 #elif SANITIZER_ANDROID || defined(__x86_64__)
 497   struct __sanitizer_dirent {
 498     unsigned long long d_ino;
 499     unsigned long long d_off;
 500     unsigned short d_reclen;
 501     // more fields that we don't care about
 502   };
 503 #else
 504   struct __sanitizer_dirent {
 505     uptr d_ino;
 506     uptr d_off;
 507     unsigned short d_reclen;
 508     // more fields that we don't care about
 509   };
 510 #endif
 511
 512 #if SANITIZER_LINUX && !SANITIZER_ANDROID
 513   struct __sanitizer_dirent64 {
 514     unsigned long long d_ino;
 515     unsigned long long d_off;
 516     unsigned short d_reclen;
 517     // more fields that we don't care about
 518   };
 519 #endif
 520
 521 // 'clock_t' is 32 bits wide on x64 FreeBSD
 522 #if SANITIZER_FREEBSD
 523   typedef int __sanitizer_clock_t;
 524 #elif defined(__x86_64__) && !defined(_LP64)
 525   typedef long long __sanitizer_clock_t;
 526 #else
 527   typedef long __sanitizer_clock_t;
 528 #endif
 529
 530 #if SANITIZER_LINUX
 531   typedef int __sanitizer_clockid_t;
 532 #endif
 533
 534 #if SANITIZER_LINUX || SANITIZER_FREEBSD
 535 #if defined(_LP64) || defined(__x86_64__) || defined(__powerpc__)\
 536                    || defined(__mips__)
 537   typedef unsigned __sanitizer___kernel_uid_t;
 538   typedef unsigned __sanitizer___kernel_gid_t;
 539 #else
 540   typedef unsigned short __sanitizer___kernel_uid_t;
 541   typedef unsigned short __sanitizer___kernel_gid_t;
 542 #endif
 543 #if defined(__x86_64__) && !defined(_LP64)
 544   typedef long long __sanitizer___kernel_off_t;
 545 #else
 546   typedef long __sanitizer___kernel_off_t;
 547 #endif
 548
 549 #if defined(__powerpc__) || defined(__mips__) || defined(__riscv__)
 550   typedef unsigned int __sanitizer___kernel_old_uid_t;
 551   typedef unsigned int __sanitizer___kernel_old_gid_t;
 552 #else
 553   typedef unsigned short __sanitizer___kernel_old_uid_t;
 554   typedef unsigned short __sanitizer___kernel_old_gid_t;
 555 #endif
 556
 557   typedef long long __sanitizer___kernel_loff_t;
 558   typedef struct {
 559     unsigned long fds_bits[1024 / (8 * sizeof(long))];
 560   } __sanitizer___kernel_fd_set;
 561 #endif
 562
 563   // This thing depends on the platform. We are only interested in the upper
 564   // limit. Verified with a compiler assert in .cc.
 565   const int pthread_attr_t_max_sz = 128;
 566   union __sanitizer_pthread_attr_t {
 567     char size[pthread_attr_t_max_sz]; // NOLINT
 568     void *align;
 569   };
 570
 571 #if SANITIZER_ANDROID
 572 # if SANITIZER_MIPS
 573   typedef unsigned long __sanitizer_sigset_t[16/sizeof(unsigned long)];
 574 # else
 575   typedef unsigned long __sanitizer_sigset_t;
 576 # endif
 577 #elif SANITIZER_MAC
 578   typedef unsigned __sanitizer_sigset_t;
 579 #elif SANITIZER_LINUX
 580   struct __sanitizer_sigset_t {
 581     // The size is determined by looking at sizeof of real sigset_t on linux.
 582     uptr val[128 / sizeof(uptr)];
 583   };
 584 #elif SANITIZER_FREEBSD
 585   struct __sanitizer_sigset_t {
 586      // uint32_t * 4
 587      unsigned int __bits[4];
 588   };
 589 #endif
 590
 591   // Linux system headers define the 'sa_handler' and 'sa_sigaction' macros.
 592 #if SANITIZER_ANDROID && (SANITIZER_WORDSIZE == 64)
 593   struct __sanitizer_sigaction {
 594     unsigned sa_flags;
 595     union {
 596       void (*sigaction)(int sig, void *siginfo, void *uctx);
 597       void (*handler)(int sig);
 598     };
 599     __sanitizer_sigset_t sa_mask;
 600     void (*sa_restorer)();
 601   };
 602 #elif SANITIZER_ANDROID && SANITIZER_MIPS32  // check this before WORDSIZE == 32
 603   struct __sanitizer_sigaction {
 604     unsigned sa_flags;
 605     union {
 606       void (*sigaction)(int sig, void *siginfo, void *uctx);
 607       void (*handler)(int sig);
 608     };
 609     __sanitizer_sigset_t sa_mask;
 610   };
 611 #elif SANITIZER_ANDROID && (SANITIZER_WORDSIZE == 32)
 612   struct __sanitizer_sigaction {
 613     union {
 614       void (*sigaction)(int sig, void *siginfo, void *uctx);
 615       void (*handler)(int sig);
 616     };
 617     __sanitizer_sigset_t sa_mask;
 618     uptr sa_flags;
 619     void (*sa_restorer)();
 620   };
 621 #else // !SANITIZER_ANDROID
 622   struct __sanitizer_sigaction {
 623 #if defined(__mips__) && !SANITIZER_FREEBSD
 624     unsigned int sa_flags;
 625 #endif
 626     union {
 627       void (*sigaction)(int sig, void *siginfo, void *uctx);
 628       void (*handler)(int sig);
 629     };
 630 #if SANITIZER_FREEBSD
 631     int sa_flags;
 632     __sanitizer_sigset_t sa_mask;
 633 #else
 634 #if defined(__s390x__)
 635     int sa_resv;
 636 #else
 637     __sanitizer_sigset_t sa_mask;
 638 #endif
 639 #ifndef __mips__
 640 #if defined(__sparc__)
 641 #if __GLIBC_PREREQ (2, 20)
 642     // On sparc glibc 2.19 and earlier sa_flags was unsigned long.
 643 #if defined(__arch64__)
 644     // To maintain ABI compatibility on sparc64 when switching to an int,
 645     // __glibc_reserved0 was added.
 646     int __glibc_reserved0;
 647 #endif
 648     int sa_flags;
 649 #else
 650     unsigned long sa_flags;
 651 #endif
 652 #else
 653     int sa_flags;
 654 #endif
 655 #endif
 656 #endif
 657 #if SANITIZER_LINUX
 658     void (*sa_restorer)();
 659 #endif
 660 #if defined(__mips__) && (SANITIZER_WORDSIZE == 32)
 661     int sa_resv[1];
 662 #endif
 663 #if defined(__s390x__)
 664     __sanitizer_sigset_t sa_mask;
 665 #endif
 666   };
 667 #endif // !SANITIZER_ANDROID
 668
 669 #if SANITIZER_FREEBSD
 670   typedef __sanitizer_sigset_t __sanitizer_kernel_sigset_t;
 671 #elif defined(__mips__)
 672   struct __sanitizer_kernel_sigset_t {
 673     uptr sig[2];
 674   };
 675 #else
 676   struct __sanitizer_kernel_sigset_t {
 677     u8 sig[8];
 678   };
 679 #endif
 680
 681   // Linux system headers define the 'sa_handler' and 'sa_sigaction' macros.
 682 #if SANITIZER_MIPS
 683   struct __sanitizer_kernel_sigaction_t {
 684     unsigned int sa_flags;
 685     union {
 686       void (*handler)(int signo);
 687       void (*sigaction)(int signo, void *info, void *ctx);
 688     };
 689     __sanitizer_kernel_sigset_t sa_mask;
 690     void (*sa_restorer)(void);
 691   };
 692 #else
 693   struct __sanitizer_kernel_sigaction_t {
 694     union {
 695       void (*handler)(int signo);
 696       void (*sigaction)(int signo, void *info, void *ctx);
 697     };
 698     unsigned long sa_flags;
 699     void (*sa_restorer)(void);
 700     __sanitizer_kernel_sigset_t sa_mask;
 701   };
 702 #endif
 703
 704   extern uptr sig_ign;
 705   extern uptr sig_dfl;
 706   extern uptr sa_siginfo;
 707
 708 #if SANITIZER_LINUX
 709   extern int e_tabsz;
 710 #endif
 711
 712   extern int af_inet;
 713   extern int af_inet6;
 714   uptr __sanitizer_in_addr_sz(int af);
 715
 716 #if SANITIZER_LINUX || SANITIZER_FREEBSD
 717   struct __sanitizer_dl_phdr_info {
 718     uptr dlpi_addr;
 719     const char *dlpi_name;
 720     const void *dlpi_phdr;
 721     short dlpi_phnum;
 722   };
 723
 724   extern unsigned struct_ElfW_Phdr_sz;
 725 #endif
 726
 727   struct __sanitizer_addrinfo {
 728     int ai_flags;
 729     int ai_family;
 730     int ai_socktype;
 731     int ai_protocol;
 732 #if SANITIZER_ANDROID || SANITIZER_MAC || SANITIZER_FREEBSD
 733     unsigned ai_addrlen;
 734     char *ai_canonname;
 735     void *ai_addr;
 736 #else // LINUX
 737     unsigned ai_addrlen;
 738     void *ai_addr;
 739     char *ai_canonname;
 740 #endif
 741     struct __sanitizer_addrinfo *ai_next;
 742   };
 743
 744   struct __sanitizer_hostent {
 745     char *h_name;
 746     char **h_aliases;
 747     int h_addrtype;
 748     int h_length;
 749     char **h_addr_list;
 750   };
 751
 752   struct __sanitizer_pollfd {
 753     int fd;
 754     short events;
 755     short revents;
 756   };
 757
 758 #if SANITIZER_ANDROID || SANITIZER_MAC || SANITIZER_FREEBSD
 759   typedef unsigned __sanitizer_nfds_t;
 760 #else
 761   typedef unsigned long __sanitizer_nfds_t;
 762 #endif
 763
 764 #if !SANITIZER_ANDROID
 765 # if SANITIZER_LINUX
 766   struct __sanitizer_glob_t {
 767     uptr gl_pathc;
 768     char **gl_pathv;
 769     uptr gl_offs;
 770     int gl_flags;
 771
 772     void (*gl_closedir)(void *dirp);
 773     void *(*gl_readdir)(void *dirp);
 774     void *(*gl_opendir)(const char *);
 775     int (*gl_lstat)(const char *, void *);
 776     int (*gl_stat)(const char *, void *);
 777   };
 778 # elif SANITIZER_FREEBSD
 779   struct __sanitizer_glob_t {
 780     uptr gl_pathc;
 781     uptr gl_matchc;
 782     uptr gl_offs;
 783     int gl_flags;
 784     char **gl_pathv;
 785     int (*gl_errfunc)(const char*, int);
 786     void (*gl_closedir)(void *dirp);
 787     struct dirent *(*gl_readdir)(void *dirp);
 788     void *(*gl_opendir)(const char*);
 789     int (*gl_lstat)(const char*, void* /* struct stat* */);
 790     int (*gl_stat)(const char*, void* /* struct stat* */);
 791   };
 792 # endif  // SANITIZER_FREEBSD
 793
 794 # if SANITIZER_LINUX || SANITIZER_FREEBSD
 795   extern int glob_nomatch;
 796   extern int glob_altdirfunc;
 797 # endif
 798 #endif  // !SANITIZER_ANDROID
 799
 800   extern unsigned path_max;
 801
 802   struct __sanitizer_wordexp_t {
 803     uptr we_wordc;
 804     char **we_wordv;
 805     uptr we_offs;
 806 #if SANITIZER_FREEBSD
 807     char *we_strings;
 808     uptr we_nbytes;
 809 #endif
 810   };
 811
 812 #if SANITIZER_LINUX && !SANITIZER_ANDROID
 813   struct __sanitizer_FILE {
 814     int _flags;
 815     char *_IO_read_ptr;
 816     char *_IO_read_end;
 817     char *_IO_read_base;
 818     char *_IO_write_base;
 819     char *_IO_write_ptr;
 820     char *_IO_write_end;
 821     char *_IO_buf_base;
 822     char *_IO_buf_end;
 823     char *_IO_save_base;
 824     char *_IO_backup_base;
 825     char *_IO_save_end;
 826     void *_markers;
 827     __sanitizer_FILE *_chain;
 828     int _fileno;
 829   };
 830 # define SANITIZER_HAS_STRUCT_FILE 1
 831 #else
 832   typedef void __sanitizer_FILE;
 833 # define SANITIZER_HAS_STRUCT_FILE 0
 834 #endif
 835
 836 #if SANITIZER_LINUX && !SANITIZER_ANDROID && \
 837   (defined(__i386) || defined(__x86_64) || defined(__mips64) || \
 838     defined(__powerpc64__) || defined(__aarch64__) || defined(__arm__) || \
 839     defined(__s390__))
 840   extern unsigned struct_user_regs_struct_sz;
 841   extern unsigned struct_user_fpregs_struct_sz;
 842   extern unsigned struct_user_fpxregs_struct_sz;
 843   extern unsigned struct_user_vfpregs_struct_sz;
 844
 845   extern int ptrace_peektext;
 846   extern int ptrace_peekdata;
 847   extern int ptrace_peekuser;
 848   extern int ptrace_getregs;
 849   extern int ptrace_setregs;
 850   extern int ptrace_getfpregs;
 851   extern int ptrace_setfpregs;
 852   extern int ptrace_getfpxregs;
 853   extern int ptrace_setfpxregs;
 854   extern int ptrace_getvfpregs;
 855   extern int ptrace_setvfpregs;
 856   extern int ptrace_getsiginfo;
 857   extern int ptrace_setsiginfo;
 858   extern int ptrace_getregset;
 859   extern int ptrace_setregset;
 860   extern int ptrace_geteventmsg;
 861 #endif
 862
 863 #if (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
 864   extern unsigned struct_shminfo_sz;
 865   extern unsigned struct_shm_info_sz;
 866   extern int shmctl_ipc_stat;
 867   extern int shmctl_ipc_info;
 868   extern int shmctl_shm_info;
 869   extern int shmctl_shm_stat;
 870 #endif
 871
 872 #if !SANITIZER_MAC && !SANITIZER_FREEBSD
 873   extern unsigned struct_utmp_sz;
 874 #endif
 875 #if !SANITIZER_ANDROID
 876   extern unsigned struct_utmpx_sz;
 877 #endif
 878
 879   extern int map_fixed;
 880
 881   // ioctl arguments
 882   struct __sanitizer_ifconf {
 883     int ifc_len;
 884     union {
 885       void *ifcu_req;
 886     } ifc_ifcu;
 887 #if SANITIZER_MAC
 888   } __attribute__((packed));
 889 #else
 890   };
 891 #endif
 892
 893 #if SANITIZER_LINUX && !SANITIZER_ANDROID
 894 struct __sanitizer__obstack_chunk {
 895   char *limit;
 896   struct __sanitizer__obstack_chunk *prev;
 897 };
 898
 899 struct __sanitizer_obstack {
 900   long chunk_size;
 901   struct __sanitizer__obstack_chunk *chunk;
 902   char *object_base;
 903   char *next_free;
 904   uptr more_fields[7];
 905 };
 906
 907 typedef uptr (*__sanitizer_cookie_io_read)(void *cookie, char *buf, uptr size);
 908 typedef uptr (*__sanitizer_cookie_io_write)(void *cookie, const char *buf,
 909                                             uptr size);
 910 typedef int (*__sanitizer_cookie_io_seek)(void *cookie, u64 *offset,
 911                                           int whence);
 912 typedef int (*__sanitizer_cookie_io_close)(void *cookie);
 913
 914 struct __sanitizer_cookie_io_functions_t {
 915   __sanitizer_cookie_io_read read;
 916   __sanitizer_cookie_io_write write;
 917   __sanitizer_cookie_io_seek seek;
 918   __sanitizer_cookie_io_close close;
 919 };
 920 #endif
 921
 922 #define IOC_NRBITS 8
 923 #define IOC_TYPEBITS 8
 924 #if defined(__powerpc__) || defined(__powerpc64__) || defined(__mips__) || \
 925     defined(__sparc__)
 926 #define IOC_SIZEBITS 13
 927 #define IOC_DIRBITS 3
 928 #define IOC_NONE 1U
 929 #define IOC_WRITE 4U
 930 #define IOC_READ 2U
 931 #else
 932 #define IOC_SIZEBITS 14
 933 #define IOC_DIRBITS 2
 934 #define IOC_NONE 0U
 935 #define IOC_WRITE 1U
 936 #define IOC_READ 2U
 937 #endif
 938 #define IOC_NRMASK ((1 << IOC_NRBITS) - 1)
 939 #define IOC_TYPEMASK ((1 << IOC_TYPEBITS) - 1)
 940 #define IOC_SIZEMASK ((1 << IOC_SIZEBITS) - 1)
 941 #if defined(IOC_DIRMASK)
 942 #undef IOC_DIRMASK
 943 #endif
 944 #define IOC_DIRMASK ((1 << IOC_DIRBITS) - 1)
 945 #define IOC_NRSHIFT 0
 946 #define IOC_TYPESHIFT (IOC_NRSHIFT + IOC_NRBITS)
 947 #define IOC_SIZESHIFT (IOC_TYPESHIFT + IOC_TYPEBITS)
 948 #define IOC_DIRSHIFT (IOC_SIZESHIFT + IOC_SIZEBITS)
 949 #define EVIOC_EV_MAX 0x1f
 950 #define EVIOC_ABS_MAX 0x3f
 951
 952 #define IOC_DIR(nr) (((nr) >> IOC_DIRSHIFT) & IOC_DIRMASK)
 953 #define IOC_TYPE(nr) (((nr) >> IOC_TYPESHIFT) & IOC_TYPEMASK)
 954 #define IOC_NR(nr) (((nr) >> IOC_NRSHIFT) & IOC_NRMASK)
 955
 956 #if defined(__sparc__)
 957 // In sparc the 14 bits SIZE field overlaps with the
 958 // least significant bit of DIR, so either IOC_READ or
 959 // IOC_WRITE shall be 1 in order to get a non-zero SIZE.
 960 #define IOC_SIZE(nr) \
 961   ((((((nr) >> 29) & 0x7) & (4U | 2U)) == 0) ? 0 : (((nr) >> 16) & 0x3fff))
 962 #else
 963 #define IOC_SIZE(nr) (((nr) >> IOC_SIZESHIFT) & IOC_SIZEMASK)
 964 #endif
 965
 966   extern unsigned struct_ifreq_sz;
 967   extern unsigned struct_termios_sz;
 968   extern unsigned struct_winsize_sz;
 969
 970 #if SANITIZER_LINUX
 971   extern unsigned struct_arpreq_sz;
 972   extern unsigned struct_cdrom_msf_sz;
 973   extern unsigned struct_cdrom_multisession_sz;
 974   extern unsigned struct_cdrom_read_audio_sz;
 975   extern unsigned struct_cdrom_subchnl_sz;
 976   extern unsigned struct_cdrom_ti_sz;
 977   extern unsigned struct_cdrom_tocentry_sz;
 978   extern unsigned struct_cdrom_tochdr_sz;
 979   extern unsigned struct_cdrom_volctrl_sz;
 980   extern unsigned struct_ff_effect_sz;
 981   extern unsigned struct_floppy_drive_params_sz;
 982   extern unsigned struct_floppy_drive_struct_sz;
 983   extern unsigned struct_floppy_fdc_state_sz;
 984   extern unsigned struct_floppy_max_errors_sz;
 985   extern unsigned struct_floppy_raw_cmd_sz;
 986   extern unsigned struct_floppy_struct_sz;
 987   extern unsigned struct_floppy_write_errors_sz;
 988   extern unsigned struct_format_descr_sz;
 989   extern unsigned struct_hd_driveid_sz;
 990   extern unsigned struct_hd_geometry_sz;
 991   extern unsigned struct_input_absinfo_sz;
 992   extern unsigned struct_input_id_sz;
 993   extern unsigned struct_mtpos_sz;
 994   extern unsigned struct_termio_sz;
 995   extern unsigned struct_vt_consize_sz;
 996   extern unsigned struct_vt_sizes_sz;
 997   extern unsigned struct_vt_stat_sz;
 998 #endif  // SANITIZER_LINUX
 999
1000 #if SANITIZER_LINUX || SANITIZER_FREEBSD
1001   extern unsigned struct_copr_buffer_sz;
1002   extern unsigned struct_copr_debug_buf_sz;
1003   extern unsigned struct_copr_msg_sz;
1004   extern unsigned struct_midi_info_sz;
1005   extern unsigned struct_mtget_sz;
1006   extern unsigned struct_mtop_sz;
1007   extern unsigned struct_rtentry_sz;
1008   extern unsigned struct_sbi_instrument_sz;
1009   extern unsigned struct_seq_event_rec_sz;
1010   extern unsigned struct_synth_info_sz;
1011   extern unsigned struct_vt_mode_sz;
1012 #endif // SANITIZER_LINUX || SANITIZER_FREEBSD
1013
1014 #if SANITIZER_LINUX && !SANITIZER_ANDROID
1015   extern unsigned struct_ax25_parms_struct_sz;
1016   extern unsigned struct_cyclades_monitor_sz;
1017   extern unsigned struct_input_keymap_entry_sz;
1018   extern unsigned struct_ipx_config_data_sz;
1019   extern unsigned struct_kbdiacrs_sz;
1020   extern unsigned struct_kbentry_sz;
1021   extern unsigned struct_kbkeycode_sz;
1022   extern unsigned struct_kbsentry_sz;
1023   extern unsigned struct_mtconfiginfo_sz;
1024   extern unsigned struct_nr_parms_struct_sz;
1025   extern unsigned struct_scc_modem_sz;
1026   extern unsigned struct_scc_stat_sz;
1027   extern unsigned struct_serial_multiport_struct_sz;
1028   extern unsigned struct_serial_struct_sz;
1029   extern unsigned struct_sockaddr_ax25_sz;
1030   extern unsigned struct_unimapdesc_sz;
1031   extern unsigned struct_unimapinit_sz;
1032 #endif  // SANITIZER_LINUX && !SANITIZER_ANDROID
1033
1034 #if (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
1035   extern unsigned struct_audio_buf_info_sz;
1036   extern unsigned struct_ppp_stats_sz;
1037 #endif  // (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
1038
1039 #if !SANITIZER_ANDROID && !SANITIZER_MAC
1040   extern unsigned struct_sioc_sg_req_sz;
1041   extern unsigned struct_sioc_vif_req_sz;
1042 #endif
1043
1044   // ioctl request identifiers
1045
1046   // A special value to mark ioctls that are not present on the target platform,
1047   // when it can not be determined without including any system headers.
1048   extern const unsigned IOCTL_NOT_PRESENT;
1049
1050   extern unsigned IOCTL_FIOASYNC;
1051   extern unsigned IOCTL_FIOCLEX;
1052   extern unsigned IOCTL_FIOGETOWN;
1053   extern unsigned IOCTL_FIONBIO;
1054   extern unsigned IOCTL_FIONCLEX;
1055   extern unsigned IOCTL_FIOSETOWN;
1056   extern unsigned IOCTL_SIOCADDMULTI;
1057   extern unsigned IOCTL_SIOCATMARK;
1058   extern unsigned IOCTL_SIOCDELMULTI;
1059   extern unsigned IOCTL_SIOCGIFADDR;
1060   extern unsigned IOCTL_SIOCGIFBRDADDR;
1061   extern unsigned IOCTL_SIOCGIFCONF;
1062   extern unsigned IOCTL_SIOCGIFDSTADDR;
1063   extern unsigned IOCTL_SIOCGIFFLAGS;
1064   extern unsigned IOCTL_SIOCGIFMETRIC;
1065   extern unsigned IOCTL_SIOCGIFMTU;
1066   extern unsigned IOCTL_SIOCGIFNETMASK;
1067   extern unsigned IOCTL_SIOCGPGRP;
1068   extern unsigned IOCTL_SIOCSIFADDR;
1069   extern unsigned IOCTL_SIOCSIFBRDADDR;
1070   extern unsigned IOCTL_SIOCSIFDSTADDR;
1071   extern unsigned IOCTL_SIOCSIFFLAGS;
1072   extern unsigned IOCTL_SIOCSIFMETRIC;
1073   extern unsigned IOCTL_SIOCSIFMTU;
1074   extern unsigned IOCTL_SIOCSIFNETMASK;
1075   extern unsigned IOCTL_SIOCSPGRP;
1076   extern unsigned IOCTL_TIOCCONS;
1077   extern unsigned IOCTL_TIOCEXCL;
1078   extern unsigned IOCTL_TIOCGETD;
1079   extern unsigned IOCTL_TIOCGPGRP;
1080   extern unsigned IOCTL_TIOCGWINSZ;
1081   extern unsigned IOCTL_TIOCMBIC;
1082   extern unsigned IOCTL_TIOCMBIS;
1083   extern unsigned IOCTL_TIOCMGET;
1084   extern unsigned IOCTL_TIOCMSET;
1085   extern unsigned IOCTL_TIOCNOTTY;
1086   extern unsigned IOCTL_TIOCNXCL;
1087   extern unsigned IOCTL_TIOCOUTQ;
1088   extern unsigned IOCTL_TIOCPKT;
1089   extern unsigned IOCTL_TIOCSCTTY;
1090   extern unsigned IOCTL_TIOCSETD;
1091   extern unsigned IOCTL_TIOCSPGRP;
1092   extern unsigned IOCTL_TIOCSTI;
1093   extern unsigned IOCTL_TIOCSWINSZ;
1094 #if (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
1095   extern unsigned IOCTL_SIOCGETSGCNT;
1096   extern unsigned IOCTL_SIOCGETVIFCNT;
1097 #endif
1098 #if SANITIZER_LINUX
1099   extern unsigned IOCTL_EVIOCGABS;
1100   extern unsigned IOCTL_EVIOCGBIT;
1101   extern unsigned IOCTL_EVIOCGEFFECTS;
1102   extern unsigned IOCTL_EVIOCGID;
1103   extern unsigned IOCTL_EVIOCGKEY;
1104   extern unsigned IOCTL_EVIOCGKEYCODE;
1105   extern unsigned IOCTL_EVIOCGLED;
1106   extern unsigned IOCTL_EVIOCGNAME;
1107   extern unsigned IOCTL_EVIOCGPHYS;
1108   extern unsigned IOCTL_EVIOCGRAB;
1109   extern unsigned IOCTL_EVIOCGREP;
1110   extern unsigned IOCTL_EVIOCGSND;
1111   extern unsigned IOCTL_EVIOCGSW;
1112   extern unsigned IOCTL_EVIOCGUNIQ;
1113   extern unsigned IOCTL_EVIOCGVERSION;
1114   extern unsigned IOCTL_EVIOCRMFF;
1115   extern unsigned IOCTL_EVIOCSABS;
1116   extern unsigned IOCTL_EVIOCSFF;
1117   extern unsigned IOCTL_EVIOCSKEYCODE;
1118   extern unsigned IOCTL_EVIOCSREP;
1119   extern unsigned IOCTL_BLKFLSBUF;
1120   extern unsigned IOCTL_BLKGETSIZE;
1121   extern unsigned IOCTL_BLKRAGET;
1122   extern unsigned IOCTL_BLKRASET;
1123   extern unsigned IOCTL_BLKROGET;
1124   extern unsigned IOCTL_BLKROSET;
1125   extern unsigned IOCTL_BLKRRPART;
1126   extern unsigned IOCTL_CDROMAUDIOBUFSIZ;
1127   extern unsigned IOCTL_CDROMEJECT;
1128   extern unsigned IOCTL_CDROMEJECT_SW;
1129   extern unsigned IOCTL_CDROMMULTISESSION;
1130   extern unsigned IOCTL_CDROMPAUSE;
1131   extern unsigned IOCTL_CDROMPLAYMSF;
1132   extern unsigned IOCTL_CDROMPLAYTRKIND;
1133   extern unsigned IOCTL_CDROMREADAUDIO;
1134   extern unsigned IOCTL_CDROMREADCOOKED;
1135   extern unsigned IOCTL_CDROMREADMODE1;
1136   extern unsigned IOCTL_CDROMREADMODE2;
1137   extern unsigned IOCTL_CDROMREADRAW;
1138   extern unsigned IOCTL_CDROMREADTOCENTRY;
1139   extern unsigned IOCTL_CDROMREADTOCHDR;
1140   extern unsigned IOCTL_CDROMRESET;
1141   extern unsigned IOCTL_CDROMRESUME;
1142   extern unsigned IOCTL_CDROMSEEK;
1143   extern unsigned IOCTL_CDROMSTART;
1144   extern unsigned IOCTL_CDROMSTOP;
1145   extern unsigned IOCTL_CDROMSUBCHNL;
1146   extern unsigned IOCTL_CDROMVOLCTRL;
1147   extern unsigned IOCTL_CDROMVOLREAD;
1148   extern unsigned IOCTL_CDROM_GET_UPC;
1149   extern unsigned IOCTL_FDCLRPRM;
1150   extern unsigned IOCTL_FDDEFPRM;
1151   extern unsigned IOCTL_FDFLUSH;
1152   extern unsigned IOCTL_FDFMTBEG;
1153   extern unsigned IOCTL_FDFMTEND;
1154   extern unsigned IOCTL_FDFMTTRK;
1155   extern unsigned IOCTL_FDGETDRVPRM;
1156   extern unsigned IOCTL_FDGETDRVSTAT;
1157   extern unsigned IOCTL_FDGETDRVTYP;
1158   extern unsigned IOCTL_FDGETFDCSTAT;
1159   extern unsigned IOCTL_FDGETMAXERRS;
1160   extern unsigned IOCTL_FDGETPRM;
1161   extern unsigned IOCTL_FDMSGOFF;
1162   extern unsigned IOCTL_FDMSGON;
1163   extern unsigned IOCTL_FDPOLLDRVSTAT;
1164   extern unsigned IOCTL_FDRAWCMD;
1165   extern unsigned IOCTL_FDRESET;
1166   extern unsigned IOCTL_FDSETDRVPRM;
1167   extern unsigned IOCTL_FDSETEMSGTRESH;
1168   extern unsigned IOCTL_FDSETMAXERRS;
1169   extern unsigned IOCTL_FDSETPRM;
1170   extern unsigned IOCTL_FDTWADDLE;
1171   extern unsigned IOCTL_FDWERRORCLR;
1172   extern unsigned IOCTL_FDWERRORGET;
1173   extern unsigned IOCTL_HDIO_DRIVE_CMD;
1174   extern unsigned IOCTL_HDIO_GETGEO;
1175   extern unsigned IOCTL_HDIO_GET_32BIT;
1176   extern unsigned IOCTL_HDIO_GET_DMA;
1177   extern unsigned IOCTL_HDIO_GET_IDENTITY;
1178   extern unsigned IOCTL_HDIO_GET_KEEPSETTINGS;
1179   extern unsigned IOCTL_HDIO_GET_MULTCOUNT;
1180   extern unsigned IOCTL_HDIO_GET_NOWERR;
1181   extern unsigned IOCTL_HDIO_GET_UNMASKINTR;
1182   extern unsigned IOCTL_HDIO_SET_32BIT;
1183   extern unsigned IOCTL_HDIO_SET_DMA;
1184   extern unsigned IOCTL_HDIO_SET_KEEPSETTINGS;
1185   extern unsigned IOCTL_HDIO_SET_MULTCOUNT;
1186   extern unsigned IOCTL_HDIO_SET_NOWERR;
1187   extern unsigned IOCTL_HDIO_SET_UNMASKINTR;
1188   extern unsigned IOCTL_MTIOCPOS;
1189   extern unsigned IOCTL_PPPIOCGASYNCMAP;
1190   extern unsigned IOCTL_PPPIOCGDEBUG;
1191   extern unsigned IOCTL_PPPIOCGFLAGS;
1192   extern unsigned IOCTL_PPPIOCGUNIT;
1193   extern unsigned IOCTL_PPPIOCGXASYNCMAP;
1194   extern unsigned IOCTL_PPPIOCSASYNCMAP;
1195   extern unsigned IOCTL_PPPIOCSDEBUG;
1196   extern unsigned IOCTL_PPPIOCSFLAGS;
1197   extern unsigned IOCTL_PPPIOCSMAXCID;
1198   extern unsigned IOCTL_PPPIOCSMRU;
1199   extern unsigned IOCTL_PPPIOCSXASYNCMAP;
1200   extern unsigned IOCTL_SIOCDARP;
1201   extern unsigned IOCTL_SIOCDRARP;
1202   extern unsigned IOCTL_SIOCGARP;
1203   extern unsigned IOCTL_SIOCGIFENCAP;
1204   extern unsigned IOCTL_SIOCGIFHWADDR;
1205   extern unsigned IOCTL_SIOCGIFMAP;
1206   extern unsigned IOCTL_SIOCGIFMEM;
1207   extern unsigned IOCTL_SIOCGIFNAME;
1208   extern unsigned IOCTL_SIOCGIFSLAVE;
1209   extern unsigned IOCTL_SIOCGRARP;
1210   extern unsigned IOCTL_SIOCGSTAMP;
1211   extern unsigned IOCTL_SIOCSARP;
1212   extern unsigned IOCTL_SIOCSIFENCAP;
1213   extern unsigned IOCTL_SIOCSIFHWADDR;
1214   extern unsigned IOCTL_SIOCSIFLINK;
1215   extern unsigned IOCTL_SIOCSIFMAP;
1216   extern unsigned IOCTL_SIOCSIFMEM;
1217   extern unsigned IOCTL_SIOCSIFSLAVE;
1218   extern unsigned IOCTL_SIOCSRARP;
1219   extern unsigned IOCTL_SNDCTL_COPR_HALT;
1220   extern unsigned IOCTL_SNDCTL_COPR_LOAD;
1221   extern unsigned IOCTL_SNDCTL_COPR_RCODE;
1222   extern unsigned IOCTL_SNDCTL_COPR_RCVMSG;
1223   extern unsigned IOCTL_SNDCTL_COPR_RDATA;
1224   extern unsigned IOCTL_SNDCTL_COPR_RESET;
1225   extern unsigned IOCTL_SNDCTL_COPR_RUN;
1226   extern unsigned IOCTL_SNDCTL_COPR_SENDMSG;
1227   extern unsigned IOCTL_SNDCTL_COPR_WCODE;
1228   extern unsigned IOCTL_SNDCTL_COPR_WDATA;
1229   extern unsigned IOCTL_TCFLSH;
1230   extern unsigned IOCTL_TCGETA;
1231   extern unsigned IOCTL_TCGETS;
1232   extern unsigned IOCTL_TCSBRK;
1233   extern unsigned IOCTL_TCSBRKP;
1234   extern unsigned IOCTL_TCSETA;
1235   extern unsigned IOCTL_TCSETAF;
1236   extern unsigned IOCTL_TCSETAW;
1237   extern unsigned IOCTL_TCSETS;
1238   extern unsigned IOCTL_TCSETSF;
1239   extern unsigned IOCTL_TCSETSW;
1240   extern unsigned IOCTL_TCXONC;
1241   extern unsigned IOCTL_TIOCGLCKTRMIOS;
1242   extern unsigned IOCTL_TIOCGSOFTCAR;
1243   extern unsigned IOCTL_TIOCINQ;
1244   extern unsigned IOCTL_TIOCLINUX;
1245   extern unsigned IOCTL_TIOCSERCONFIG;
1246   extern unsigned IOCTL_TIOCSERGETLSR;
1247   extern unsigned IOCTL_TIOCSERGWILD;
1248   extern unsigned IOCTL_TIOCSERSWILD;
1249   extern unsigned IOCTL_TIOCSLCKTRMIOS;
1250   extern unsigned IOCTL_TIOCSSOFTCAR;
1251   extern unsigned IOCTL_VT_DISALLOCATE;
1252   extern unsigned IOCTL_VT_GETSTATE;
1253   extern unsigned IOCTL_VT_RESIZE;
1254   extern unsigned IOCTL_VT_RESIZEX;
1255   extern unsigned IOCTL_VT_SENDSIG;
1256 #endif  // SANITIZER_LINUX
1257 #if SANITIZER_LINUX || SANITIZER_FREEBSD
1258   extern unsigned IOCTL_MTIOCGET;
1259   extern unsigned IOCTL_MTIOCTOP;
1260   extern unsigned IOCTL_SIOCADDRT;
1261   extern unsigned IOCTL_SIOCDELRT;
1262   extern unsigned IOCTL_SNDCTL_DSP_GETBLKSIZE;
1263   extern unsigned IOCTL_SNDCTL_DSP_GETFMTS;
1264   extern unsigned IOCTL_SNDCTL_DSP_NONBLOCK;
1265   extern unsigned IOCTL_SNDCTL_DSP_POST;
1266   extern unsigned IOCTL_SNDCTL_DSP_RESET;
1267   extern unsigned IOCTL_SNDCTL_DSP_SETFMT;
1268   extern unsigned IOCTL_SNDCTL_DSP_SETFRAGMENT;
1269   extern unsigned IOCTL_SNDCTL_DSP_SPEED;
1270   extern unsigned IOCTL_SNDCTL_DSP_STEREO;
1271   extern unsigned IOCTL_SNDCTL_DSP_SUBDIVIDE;
1272   extern unsigned IOCTL_SNDCTL_DSP_SYNC;
1273   extern unsigned IOCTL_SNDCTL_FM_4OP_ENABLE;
1274   extern unsigned IOCTL_SNDCTL_FM_LOAD_INSTR;
1275   extern unsigned IOCTL_SNDCTL_MIDI_INFO;
1276   extern unsigned IOCTL_SNDCTL_MIDI_PRETIME;
1277   extern unsigned IOCTL_SNDCTL_SEQ_CTRLRATE;
1278   extern unsigned IOCTL_SNDCTL_SEQ_GETINCOUNT;
1279   extern unsigned IOCTL_SNDCTL_SEQ_GETOUTCOUNT;
1280   extern unsigned IOCTL_SNDCTL_SEQ_NRMIDIS;
1281   extern unsigned IOCTL_SNDCTL_SEQ_NRSYNTHS;
1282   extern unsigned IOCTL_SNDCTL_SEQ_OUTOFBAND;
1283   extern unsigned IOCTL_SNDCTL_SEQ_PANIC;
1284   extern unsigned IOCTL_SNDCTL_SEQ_PERCMODE;
1285   extern unsigned IOCTL_SNDCTL_SEQ_RESET;
1286   extern unsigned IOCTL_SNDCTL_SEQ_RESETSAMPLES;
1287   extern unsigned IOCTL_SNDCTL_SEQ_SYNC;
1288   extern unsigned IOCTL_SNDCTL_SEQ_TESTMIDI;
1289   extern unsigned IOCTL_SNDCTL_SEQ_THRESHOLD;
1290   extern unsigned IOCTL_SNDCTL_SYNTH_INFO;
1291   extern unsigned IOCTL_SNDCTL_SYNTH_MEMAVL;
1292   extern unsigned IOCTL_SNDCTL_TMR_CONTINUE;
1293   extern unsigned IOCTL_SNDCTL_TMR_METRONOME;
1294   extern unsigned IOCTL_SNDCTL_TMR_SELECT;
1295   extern unsigned IOCTL_SNDCTL_TMR_SOURCE;
1296   extern unsigned IOCTL_SNDCTL_TMR_START;
1297   extern unsigned IOCTL_SNDCTL_TMR_STOP;
1298   extern unsigned IOCTL_SNDCTL_TMR_TEMPO;
1299   extern unsigned IOCTL_SNDCTL_TMR_TIMEBASE;
1300   extern unsigned IOCTL_SOUND_MIXER_READ_ALTPCM;
1301   extern unsigned IOCTL_SOUND_MIXER_READ_BASS;
1302   extern unsigned IOCTL_SOUND_MIXER_READ_CAPS;
1303   extern unsigned IOCTL_SOUND_MIXER_READ_CD;
1304   extern unsigned IOCTL_SOUND_MIXER_READ_DEVMASK;
1305   extern unsigned IOCTL_SOUND_MIXER_READ_ENHANCE;
1306   extern unsigned IOCTL_SOUND_MIXER_READ_IGAIN;
1307   extern unsigned IOCTL_SOUND_MIXER_READ_IMIX;
1308   extern unsigned IOCTL_SOUND_MIXER_READ_LINE1;
1309   extern unsigned IOCTL_SOUND_MIXER_READ_LINE2;
1310   extern unsigned IOCTL_SOUND_MIXER_READ_LINE3;
1311   extern unsigned IOCTL_SOUND_MIXER_READ_LINE;
1312   extern unsigned IOCTL_SOUND_MIXER_READ_LOUD;
1313   extern unsigned IOCTL_SOUND_MIXER_READ_MIC;
1314   extern unsigned IOCTL_SOUND_MIXER_READ_MUTE;
1315   extern unsigned IOCTL_SOUND_MIXER_READ_OGAIN;
1316   extern unsigned IOCTL_SOUND_MIXER_READ_PCM;
1317   extern unsigned IOCTL_SOUND_MIXER_READ_RECLEV;
1318   extern unsigned IOCTL_SOUND_MIXER_READ_RECMASK;
1319   extern unsigned IOCTL_SOUND_MIXER_READ_RECSRC;
1320   extern unsigned IOCTL_SOUND_MIXER_READ_SPEAKER;
1321   extern unsigned IOCTL_SOUND_MIXER_READ_STEREODEVS;
1322   extern unsigned IOCTL_SOUND_MIXER_READ_SYNTH;
1323   extern unsigned IOCTL_SOUND_MIXER_READ_TREBLE;
1324   extern unsigned IOCTL_SOUND_MIXER_READ_VOLUME;
1325   extern unsigned IOCTL_SOUND_MIXER_WRITE_ALTPCM;
1326   extern unsigned IOCTL_SOUND_MIXER_WRITE_BASS;
1327   extern unsigned IOCTL_SOUND_MIXER_WRITE_CD;
1328   extern unsigned IOCTL_SOUND_MIXER_WRITE_ENHANCE;
1329   extern unsigned IOCTL_SOUND_MIXER_WRITE_IGAIN;
1330   extern unsigned IOCTL_SOUND_MIXER_WRITE_IMIX;
1331   extern unsigned IOCTL_SOUND_MIXER_WRITE_LINE1;
1332   extern unsigned IOCTL_SOUND_MIXER_WRITE_LINE2;
1333   extern unsigned IOCTL_SOUND_MIXER_WRITE_LINE3;
1334   extern unsigned IOCTL_SOUND_MIXER_WRITE_LINE;
1335   extern unsigned IOCTL_SOUND_MIXER_WRITE_LOUD;
1336   extern unsigned IOCTL_SOUND_MIXER_WRITE_MIC;
1337   extern unsigned IOCTL_SOUND_MIXER_WRITE_MUTE;
1338   extern unsigned IOCTL_SOUND_MIXER_WRITE_OGAIN;
1339   extern unsigned IOCTL_SOUND_MIXER_WRITE_PCM;
1340   extern unsigned IOCTL_SOUND_MIXER_WRITE_RECLEV;
1341   extern unsigned IOCTL_SOUND_MIXER_WRITE_RECSRC;
1342   extern unsigned IOCTL_SOUND_MIXER_WRITE_SPEAKER;
1343   extern unsigned IOCTL_SOUND_MIXER_WRITE_SYNTH;
1344   extern unsigned IOCTL_SOUND_MIXER_WRITE_TREBLE;
1345   extern unsigned IOCTL_SOUND_MIXER_WRITE_VOLUME;
1346   extern unsigned IOCTL_SOUND_PCM_READ_BITS;
1347   extern unsigned IOCTL_SOUND_PCM_READ_CHANNELS;
1348   extern unsigned IOCTL_SOUND_PCM_READ_FILTER;
1349   extern unsigned IOCTL_SOUND_PCM_READ_RATE;
1350   extern unsigned IOCTL_SOUND_PCM_WRITE_CHANNELS;
1351   extern unsigned IOCTL_SOUND_PCM_WRITE_FILTER;
1352   extern unsigned IOCTL_VT_ACTIVATE;
1353   extern unsigned IOCTL_VT_GETMODE;
1354   extern unsigned IOCTL_VT_OPENQRY;
1355   extern unsigned IOCTL_VT_RELDISP;
1356   extern unsigned IOCTL_VT_SETMODE;
1357   extern unsigned IOCTL_VT_WAITACTIVE;
1358 #endif  // SANITIZER_LINUX || SANITIZER_FREEBSD
1359
1360 #if SANITIZER_LINUX && !SANITIZER_ANDROID
1361   extern unsigned IOCTL_CYGETDEFTHRESH;
1362   extern unsigned IOCTL_CYGETDEFTIMEOUT;
1363   extern unsigned IOCTL_CYGETMON;
1364   extern unsigned IOCTL_CYGETTHRESH;
1365   extern unsigned IOCTL_CYGETTIMEOUT;
1366   extern unsigned IOCTL_CYSETDEFTHRESH;
1367   extern unsigned IOCTL_CYSETDEFTIMEOUT;
1368   extern unsigned IOCTL_CYSETTHRESH;
1369   extern unsigned IOCTL_CYSETTIMEOUT;
1370   extern unsigned IOCTL_EQL_EMANCIPATE;
1371   extern unsigned IOCTL_EQL_ENSLAVE;
1372   extern unsigned IOCTL_EQL_GETMASTRCFG;
1373   extern unsigned IOCTL_EQL_GETSLAVECFG;
1374   extern unsigned IOCTL_EQL_SETMASTRCFG;
1375   extern unsigned IOCTL_EQL_SETSLAVECFG;
1376   extern unsigned IOCTL_EVIOCGKEYCODE_V2;
1377   extern unsigned IOCTL_EVIOCGPROP;
1378   extern unsigned IOCTL_EVIOCSKEYCODE_V2;
1379   extern unsigned IOCTL_FS_IOC_GETFLAGS;
1380   extern unsigned IOCTL_FS_IOC_GETVERSION;
1381   extern unsigned IOCTL_FS_IOC_SETFLAGS;
1382   extern unsigned IOCTL_FS_IOC_SETVERSION;
1383   extern unsigned IOCTL_GIO_CMAP;
1384   extern unsigned IOCTL_GIO_FONT;
1385   extern unsigned IOCTL_GIO_UNIMAP;
1386   extern unsigned IOCTL_GIO_UNISCRNMAP;
1387   extern unsigned IOCTL_KDADDIO;
1388   extern unsigned IOCTL_KDDELIO;
1389   extern unsigned IOCTL_KDGETKEYCODE;
1390   extern unsigned IOCTL_KDGKBDIACR;
1391   extern unsigned IOCTL_KDGKBENT;
1392   extern unsigned IOCTL_KDGKBLED;
1393   extern unsigned IOCTL_KDGKBMETA;
1394   extern unsigned IOCTL_KDGKBSENT;
1395   extern unsigned IOCTL_KDMAPDISP;
1396   extern unsigned IOCTL_KDSETKEYCODE;
1397   extern unsigned IOCTL_KDSIGACCEPT;
1398   extern unsigned IOCTL_KDSKBDIACR;
1399   extern unsigned IOCTL_KDSKBENT;
1400   extern unsigned IOCTL_KDSKBLED;
1401   extern unsigned IOCTL_KDSKBMETA;
1402   extern unsigned IOCTL_KDSKBSENT;
1403   extern unsigned IOCTL_KDUNMAPDISP;
1404   extern unsigned IOCTL_LPABORT;
1405   extern unsigned IOCTL_LPABORTOPEN;
1406   extern unsigned IOCTL_LPCAREFUL;
1407   extern unsigned IOCTL_LPCHAR;
1408   extern unsigned IOCTL_LPGETIRQ;
1409   extern unsigned IOCTL_LPGETSTATUS;
1410   extern unsigned IOCTL_LPRESET;
1411   extern unsigned IOCTL_LPSETIRQ;
1412   extern unsigned IOCTL_LPTIME;
1413   extern unsigned IOCTL_LPWAIT;
1414   extern unsigned IOCTL_MTIOCGETCONFIG;
1415   extern unsigned IOCTL_MTIOCSETCONFIG;
1416   extern unsigned IOCTL_PIO_CMAP;
1417   extern unsigned IOCTL_PIO_FONT;
1418   extern unsigned IOCTL_PIO_UNIMAP;
1419   extern unsigned IOCTL_PIO_UNIMAPCLR;
1420   extern unsigned IOCTL_PIO_UNISCRNMAP;
1421   extern unsigned IOCTL_SCSI_IOCTL_GET_IDLUN;
1422   extern unsigned IOCTL_SCSI_IOCTL_PROBE_HOST;
1423   extern unsigned IOCTL_SCSI_IOCTL_TAGGED_DISABLE;
1424   extern unsigned IOCTL_SCSI_IOCTL_TAGGED_ENABLE;
1425   extern unsigned IOCTL_SIOCAIPXITFCRT;
1426   extern unsigned IOCTL_SIOCAIPXPRISLT;
1427   extern unsigned IOCTL_SIOCAX25ADDUID;
1428   extern unsigned IOCTL_SIOCAX25DELUID;
1429   extern unsigned IOCTL_SIOCAX25GETPARMS;
1430   extern unsigned IOCTL_SIOCAX25GETUID;
1431   extern unsigned IOCTL_SIOCAX25NOUID;
1432   extern unsigned IOCTL_SIOCAX25SETPARMS;
1433   extern unsigned IOCTL_SIOCDEVPLIP;
1434   extern unsigned IOCTL_SIOCIPXCFGDATA;
1435   extern unsigned IOCTL_SIOCNRDECOBS;
1436   extern unsigned IOCTL_SIOCNRGETPARMS;
1437   extern unsigned IOCTL_SIOCNRRTCTL;
1438   extern unsigned IOCTL_SIOCNRSETPARMS;
1439   extern unsigned IOCTL_SNDCTL_DSP_GETISPACE;
1440   extern unsigned IOCTL_SNDCTL_DSP_GETOSPACE;
1441   extern unsigned IOCTL_TIOCGSERIAL;
1442   extern unsigned IOCTL_TIOCSERGETMULTI;
1443   extern unsigned IOCTL_TIOCSERSETMULTI;
1444   extern unsigned IOCTL_TIOCSSERIAL;
1445 #endif  // SANITIZER_LINUX && !SANITIZER_ANDROID
1446
1447 #if (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
1448   extern unsigned IOCTL_GIO_SCRNMAP;
1449   extern unsigned IOCTL_KDDISABIO;
1450   extern unsigned IOCTL_KDENABIO;
1451   extern unsigned IOCTL_KDGETLED;
1452   extern unsigned IOCTL_KDGETMODE;
1453   extern unsigned IOCTL_KDGKBMODE;
1454   extern unsigned IOCTL_KDGKBTYPE;
1455   extern unsigned IOCTL_KDMKTONE;
1456   extern unsigned IOCTL_KDSETLED;
1457   extern unsigned IOCTL_KDSETMODE;
1458   extern unsigned IOCTL_KDSKBMODE;
1459   extern unsigned IOCTL_KIOCSOUND;
1460   extern unsigned IOCTL_PIO_SCRNMAP;
1461 #endif
1462
1463   extern const int errno_EINVAL;
1464   extern const int errno_EOWNERDEAD;
1465
1466   extern const int si_SEGV_MAPERR;
1467   extern const int si_SEGV_ACCERR;
1468 }  // namespace __sanitizer
1469
1470 #define CHECK_TYPE_SIZE(TYPE) \
1471   COMPILER_CHECK(sizeof(__sanitizer_##TYPE) == sizeof(TYPE))
1472
1473 #define CHECK_SIZE_AND_OFFSET(CLASS, MEMBER)                       \
1474   COMPILER_CHECK(sizeof(((__sanitizer_##CLASS *) NULL)->MEMBER) == \
1475                  sizeof(((CLASS *) NULL)->MEMBER));                \
1476   COMPILER_CHECK(offsetof(__sanitizer_##CLASS, MEMBER) ==          \
1477                  offsetof(CLASS, MEMBER))
1478
1479 // For sigaction, which is a function and struct at the same time,
1480 // and thus requires explicit "struct" in sizeof() expression.
1481 #define CHECK_STRUCT_SIZE_AND_OFFSET(CLASS, MEMBER)                       \
1482   COMPILER_CHECK(sizeof(((struct __sanitizer_##CLASS *) NULL)->MEMBER) == \
1483                  sizeof(((struct CLASS *) NULL)->MEMBER));                \
1484   COMPILER_CHECK(offsetof(struct __sanitizer_##CLASS, MEMBER) ==          \
1485                  offsetof(struct CLASS, MEMBER))
1486
1487 #endif