(root)/
gcc-13.2.0/
libsanitizer/
sanitizer_common/
sanitizer_platform_limits_posix.h
       1  //===-- sanitizer_platform_limits_posix.h ---------------------------------===//
       2  //
       3  // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
       4  // See https://llvm.org/LICENSE.txt for license information.
       5  // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
       6  //
       7  //===----------------------------------------------------------------------===//
       8  //
       9  // This file is a part of Sanitizer common code.
      10  //
      11  // Sizes and layouts of platform-specific POSIX data structures.
      12  //===----------------------------------------------------------------------===//
      13  
      14  #ifndef SANITIZER_PLATFORM_LIMITS_POSIX_H
      15  #define SANITIZER_PLATFORM_LIMITS_POSIX_H
      16  
      17  #if SANITIZER_LINUX || SANITIZER_APPLE
      18  
      19  #include "sanitizer_internal_defs.h"
      20  #include "sanitizer_platform.h"
      21  
      22  #if SANITIZER_APPLE
      23  #include <sys/cdefs.h>
      24  #if !__DARWIN_ONLY_64_BIT_INO_T
      25  #define SANITIZER_HAS_STAT64 1
      26  #define SANITIZER_HAS_STATFS64 1
      27  #else
      28  #define SANITIZER_HAS_STAT64 0
      29  #define SANITIZER_HAS_STATFS64 0
      30  #endif
      31  #else
      32  // Must be SANITIZER_LINUX then
      33  #define SANITIZER_HAS_STAT64 1
      34  #define SANITIZER_HAS_STATFS64 1
      35  #endif
      36  
      37  #if defined(__sparc__)
      38  // FIXME: This can't be included from tsan which does not support sparc yet.
      39  #include "sanitizer_glibc_version.h"
      40  #endif
      41  
      42  # define GET_LINK_MAP_BY_DLOPEN_HANDLE(handle) ((link_map*)(handle))
      43  
      44  namespace __sanitizer {
      45  extern unsigned struct_utsname_sz;
      46  extern unsigned struct_stat_sz;
      47  #if SANITIZER_HAS_STAT64
      48  extern unsigned struct_stat64_sz;
      49  #endif
      50  extern unsigned struct_rusage_sz;
      51  extern unsigned siginfo_t_sz;
      52  extern unsigned struct_itimerval_sz;
      53  extern unsigned pthread_t_sz;
      54  extern unsigned pthread_mutex_t_sz;
      55  extern unsigned pthread_cond_t_sz;
      56  extern unsigned pid_t_sz;
      57  extern unsigned timeval_sz;
      58  extern unsigned uid_t_sz;
      59  extern unsigned gid_t_sz;
      60  extern unsigned mbstate_t_sz;
      61  extern unsigned struct_timezone_sz;
      62  extern unsigned struct_tms_sz;
      63  extern unsigned struct_itimerspec_sz;
      64  extern unsigned struct_sigevent_sz;
      65  extern unsigned struct_stack_t_sz;
      66  extern unsigned struct_sched_param_sz;
      67  #if SANITIZER_HAS_STATFS64
      68  extern unsigned struct_statfs64_sz;
      69  #endif
      70  extern unsigned struct_regex_sz;
      71  extern unsigned struct_regmatch_sz;
      72  
      73  #if !SANITIZER_ANDROID
      74  extern unsigned struct_fstab_sz;
      75  extern unsigned struct_statfs_sz;
      76  extern unsigned struct_sockaddr_sz;
      77  unsigned ucontext_t_sz(void *uctx);
      78  #  endif  // !SANITIZER_ANDROID
      79  
      80  #  if SANITIZER_LINUX
      81  
      82  #    if defined(__x86_64__)
      83  const unsigned struct_kernel_stat_sz = 144;
      84  const unsigned struct_kernel_stat64_sz = 0;
      85  #elif defined(__i386__)
      86  const unsigned struct_kernel_stat_sz = 64;
      87  const unsigned struct_kernel_stat64_sz = 96;
      88  #elif defined(__arm__)
      89  const unsigned struct_kernel_stat_sz = 64;
      90  const unsigned struct_kernel_stat64_sz = 104;
      91  #elif defined(__aarch64__)
      92  const unsigned struct_kernel_stat_sz = 128;
      93  const unsigned struct_kernel_stat64_sz = 104;
      94  #elif defined(__powerpc__) && !defined(__powerpc64__)
      95  const unsigned struct_kernel_stat_sz = 72;
      96  const unsigned struct_kernel_stat64_sz = 104;
      97  #elif defined(__powerpc64__)
      98  const unsigned struct_kernel_stat_sz = 144;
      99  const unsigned struct_kernel_stat64_sz = 104;
     100  #elif defined(__mips__)
     101  const unsigned struct_kernel_stat_sz =
     102      SANITIZER_ANDROID
     103          ? FIRST_32_SECOND_64(104, 128)
     104          : FIRST_32_SECOND_64((_MIPS_SIM == _ABIN32) ? 176 : 160, 216);
     105  const unsigned struct_kernel_stat64_sz = 104;
     106  #elif defined(__s390__) && !defined(__s390x__)
     107  const unsigned struct_kernel_stat_sz = 64;
     108  const unsigned struct_kernel_stat64_sz = 104;
     109  #elif defined(__s390x__)
     110  const unsigned struct_kernel_stat_sz = 144;
     111  const unsigned struct_kernel_stat64_sz = 0;
     112  #elif defined(__sparc__) && defined(__arch64__)
     113  const unsigned struct___old_kernel_stat_sz = 0;
     114  const unsigned struct_kernel_stat_sz = 104;
     115  const unsigned struct_kernel_stat64_sz = 144;
     116  #elif defined(__sparc__) && !defined(__arch64__)
     117  const unsigned struct___old_kernel_stat_sz = 0;
     118  const unsigned struct_kernel_stat_sz = 64;
     119  const unsigned struct_kernel_stat64_sz = 104;
     120  #elif SANITIZER_RISCV64
     121  const unsigned struct_kernel_stat_sz = 128;
     122  const unsigned struct_kernel_stat64_sz = 0;  // RISCV64 does not use stat64
     123  #    elif defined(__hexagon__)
     124  const unsigned struct_kernel_stat_sz = 128;
     125  const unsigned struct_kernel_stat64_sz = 0;
     126  #    elif defined(__loongarch__)
     127  const unsigned struct_kernel_stat_sz = 128;
     128  const unsigned struct_kernel_stat64_sz = 0;
     129  #    endif
     130  struct __sanitizer_perf_event_attr {
     131    unsigned type;
     132    unsigned size;
     133    // More fields that vary with the kernel version.
     134  };
     135  
     136  extern unsigned struct_epoll_event_sz;
     137  extern unsigned struct_sysinfo_sz;
     138  extern unsigned __user_cap_header_struct_sz;
     139  extern unsigned __user_cap_data_struct_sz;
     140  extern unsigned struct_new_utsname_sz;
     141  extern unsigned struct_old_utsname_sz;
     142  extern unsigned struct_oldold_utsname_sz;
     143  
     144  const unsigned struct_kexec_segment_sz = 4 * sizeof(unsigned long);
     145  #endif  // SANITIZER_LINUX
     146  
     147  #if SANITIZER_LINUX
     148  
     149  #if defined(__powerpc64__) || defined(__s390__) || defined(__loongarch__)
     150  const unsigned struct___old_kernel_stat_sz = 0;
     151  #elif !defined(__sparc__)
     152  const unsigned struct___old_kernel_stat_sz = 32;
     153  #endif
     154  
     155  extern unsigned struct_rlimit_sz;
     156  extern unsigned struct_utimbuf_sz;
     157  extern unsigned struct_timespec_sz;
     158  
     159  struct __sanitizer_iocb {
     160    u64 aio_data;
     161    u32 aio_key_or_aio_reserved1;  // Simply crazy.
     162    u32 aio_reserved1_or_aio_key;  // Luckily, we don't need these.
     163    u16 aio_lio_opcode;
     164    s16 aio_reqprio;
     165    u32 aio_fildes;
     166    u64 aio_buf;
     167    u64 aio_nbytes;
     168    s64 aio_offset;
     169    u64 aio_reserved2;
     170    u64 aio_reserved3;
     171  };
     172  
     173  struct __sanitizer_io_event {
     174    u64 data;
     175    u64 obj;
     176    u64 res;
     177    u64 res2;
     178  };
     179  
     180  const unsigned iocb_cmd_pread = 0;
     181  const unsigned iocb_cmd_pwrite = 1;
     182  const unsigned iocb_cmd_preadv = 7;
     183  const unsigned iocb_cmd_pwritev = 8;
     184  
     185  struct __sanitizer___sysctl_args {
     186    int *name;
     187    int nlen;
     188    void *oldval;
     189    uptr *oldlenp;
     190    void *newval;
     191    uptr newlen;
     192    unsigned long ___unused[4];
     193  };
     194  
     195  const unsigned old_sigset_t_sz = sizeof(unsigned long);
     196  
     197  struct __sanitizer_sem_t {
     198  #if SANITIZER_ANDROID && defined(_LP64)
     199    int data[4];
     200  #elif SANITIZER_ANDROID && !defined(_LP64)
     201    int data;
     202  #elif SANITIZER_LINUX
     203    uptr data[4];
     204  #endif
     205  };
     206  #endif // SANITIZER_LINUX
     207  
     208  #if SANITIZER_ANDROID
     209  struct __sanitizer_struct_mallinfo {
     210    uptr v[10];
     211  };
     212  #endif
     213  
     214  #if SANITIZER_LINUX && !SANITIZER_ANDROID
     215  struct __sanitizer_struct_mallinfo {
     216    int v[10];
     217  };
     218  
     219  extern unsigned struct_ustat_sz;
     220  extern unsigned struct_rlimit64_sz;
     221  extern unsigned struct_statvfs64_sz;
     222  
     223  struct __sanitizer_ipc_perm {
     224    int __key;
     225    int uid;
     226    int gid;
     227    int cuid;
     228    int cgid;
     229  #ifdef __powerpc__
     230    unsigned mode;
     231    unsigned __seq;
     232    u64 __unused1;
     233    u64 __unused2;
     234  #elif defined(__sparc__)
     235    unsigned mode;
     236    unsigned short __pad2;
     237    unsigned short __seq;
     238    unsigned long long __unused1;
     239    unsigned long long __unused2;
     240  #else
     241    unsigned int mode;
     242    unsigned short __seq;
     243    unsigned short __pad2;
     244  #if defined(__x86_64__) && !defined(_LP64)
     245    u64 __unused1;
     246    u64 __unused2;
     247  #else
     248    unsigned long __unused1;
     249    unsigned long __unused2;
     250  #endif
     251  #endif
     252  };
     253  
     254  struct __sanitizer_shmid_ds {
     255    __sanitizer_ipc_perm shm_perm;
     256  #if defined(__sparc__)
     257  #if !defined(__arch64__)
     258    u32 __pad1;
     259  #endif
     260    long shm_atime;
     261  #if !defined(__arch64__)
     262    u32 __pad2;
     263  #endif
     264    long shm_dtime;
     265  #if !defined(__arch64__)
     266    u32 __pad3;
     267  #endif
     268    long shm_ctime;
     269    uptr shm_segsz;
     270    int shm_cpid;
     271    int shm_lpid;
     272    unsigned long shm_nattch;
     273    unsigned long __glibc_reserved1;
     274    unsigned long __glibc_reserved2;
     275  #else
     276  #ifndef __powerpc__
     277    uptr shm_segsz;
     278  #elif !defined(__powerpc64__)
     279    uptr __unused0;
     280  #endif
     281  #if defined(__x86_64__) && !defined(_LP64)
     282    u64 shm_atime;
     283    u64 shm_dtime;
     284    u64 shm_ctime;
     285  #else
     286    uptr shm_atime;
     287  #if !defined(_LP64) && !defined(__mips__)
     288    uptr __unused1;
     289  #endif
     290    uptr shm_dtime;
     291  #if !defined(_LP64) && !defined(__mips__)
     292    uptr __unused2;
     293  #endif
     294    uptr shm_ctime;
     295  #if !defined(_LP64) && !defined(__mips__)
     296    uptr __unused3;
     297  #endif
     298  #endif
     299  #ifdef __powerpc__
     300    uptr shm_segsz;
     301  #endif
     302    int shm_cpid;
     303    int shm_lpid;
     304  #if defined(__x86_64__) && !defined(_LP64)
     305    u64 shm_nattch;
     306    u64 __unused4;
     307    u64 __unused5;
     308  #else
     309    uptr shm_nattch;
     310    uptr __unused4;
     311    uptr __unused5;
     312  #endif
     313  #endif
     314  };
     315  #endif
     316  
     317  #if SANITIZER_LINUX && !SANITIZER_ANDROID
     318  extern unsigned struct_msqid_ds_sz;
     319  extern unsigned struct_mq_attr_sz;
     320  extern unsigned struct_timex_sz;
     321  extern unsigned struct_statvfs_sz;
     322  extern unsigned struct_crypt_data_sz;
     323  #endif  // SANITIZER_LINUX && !SANITIZER_ANDROID
     324  
     325  struct __sanitizer_iovec {
     326    void *iov_base;
     327    uptr iov_len;
     328  };
     329  
     330  #if !SANITIZER_ANDROID
     331  struct __sanitizer_ifaddrs {
     332    struct __sanitizer_ifaddrs *ifa_next;
     333    char *ifa_name;
     334    unsigned int ifa_flags;
     335    void *ifa_addr;     // (struct sockaddr *)
     336    void *ifa_netmask;  // (struct sockaddr *)
     337    // This is a union on Linux.
     338  # ifdef ifa_dstaddr
     339  # undef ifa_dstaddr
     340  # endif
     341    void *ifa_dstaddr;  // (struct sockaddr *)
     342    void *ifa_data;
     343  };
     344  #endif  // !SANITIZER_ANDROID
     345  
     346  #if SANITIZER_APPLE
     347  typedef unsigned long __sanitizer_pthread_key_t;
     348  #else
     349  typedef unsigned __sanitizer_pthread_key_t;
     350  #endif
     351  
     352  #if SANITIZER_LINUX && !SANITIZER_ANDROID
     353  
     354  struct __sanitizer_XDR {
     355    int x_op;
     356    void *x_ops;
     357    uptr x_public;
     358    uptr x_private;
     359    uptr x_base;
     360    unsigned x_handy;
     361  };
     362  
     363  const int __sanitizer_XDR_ENCODE = 0;
     364  const int __sanitizer_XDR_DECODE = 1;
     365  const int __sanitizer_XDR_FREE = 2;
     366  #endif
     367  
     368  struct __sanitizer_passwd {
     369    char *pw_name;
     370    char *pw_passwd;
     371    int pw_uid;
     372    int pw_gid;
     373  #if SANITIZER_APPLE
     374    long pw_change;
     375    char *pw_class;
     376  #endif
     377  #if !(SANITIZER_ANDROID && (SANITIZER_WORDSIZE == 32))
     378    char *pw_gecos;
     379  #endif
     380    char *pw_dir;
     381    char *pw_shell;
     382  #if SANITIZER_APPLE
     383    long pw_expire;
     384  #endif
     385  };
     386  
     387  struct __sanitizer_group {
     388    char *gr_name;
     389    char *gr_passwd;
     390    int gr_gid;
     391    char **gr_mem;
     392  };
     393  
     394  #  if (SANITIZER_LINUX && !SANITIZER_GLIBC && !SANITIZER_ANDROID) || \
     395        (defined(__x86_64__) && !defined(_LP64)) || defined(__hexagon__)
     396  typedef long long __sanitizer_time_t;
     397  #else
     398  typedef long __sanitizer_time_t;
     399  #endif
     400  
     401  typedef long __sanitizer_suseconds_t;
     402  
     403  struct __sanitizer_timeval {
     404    __sanitizer_time_t tv_sec;
     405    __sanitizer_suseconds_t tv_usec;
     406  };
     407  
     408  struct __sanitizer_itimerval {
     409    struct __sanitizer_timeval it_interval;
     410    struct __sanitizer_timeval it_value;
     411  };
     412  
     413  struct __sanitizer_timeb {
     414    __sanitizer_time_t time;
     415    unsigned short millitm;
     416    short timezone;
     417    short dstflag;
     418  };
     419  
     420  struct __sanitizer_ether_addr {
     421    u8 octet[6];
     422  };
     423  
     424  struct __sanitizer_tm {
     425    int tm_sec;
     426    int tm_min;
     427    int tm_hour;
     428    int tm_mday;
     429    int tm_mon;
     430    int tm_year;
     431    int tm_wday;
     432    int tm_yday;
     433    int tm_isdst;
     434    long int tm_gmtoff;
     435    const char *tm_zone;
     436  };
     437  
     438  #if SANITIZER_LINUX
     439  struct __sanitizer_mntent {
     440    char *mnt_fsname;
     441    char *mnt_dir;
     442    char *mnt_type;
     443    char *mnt_opts;
     444    int mnt_freq;
     445    int mnt_passno;
     446  };
     447  
     448  struct __sanitizer_file_handle {
     449    unsigned int handle_bytes;
     450    int handle_type;
     451    unsigned char f_handle[1];  // variable sized
     452  };
     453  #endif
     454  
     455  #if SANITIZER_APPLE
     456  struct __sanitizer_msghdr {
     457    void *msg_name;
     458    unsigned msg_namelen;
     459    struct __sanitizer_iovec *msg_iov;
     460    unsigned msg_iovlen;
     461    void *msg_control;
     462    unsigned msg_controllen;
     463    int msg_flags;
     464  };
     465  struct __sanitizer_cmsghdr {
     466    unsigned cmsg_len;
     467    int cmsg_level;
     468    int cmsg_type;
     469  };
     470  #else
     471  // In POSIX, int msg_iovlen; socklen_t msg_controllen; socklen_t cmsg_len; but
     472  // many implementations don't conform to the standard.
     473  struct __sanitizer_msghdr {
     474    void *msg_name;
     475    unsigned msg_namelen;
     476    struct __sanitizer_iovec *msg_iov;
     477    uptr msg_iovlen;
     478    void *msg_control;
     479    uptr msg_controllen;
     480    int msg_flags;
     481  };
     482  struct __sanitizer_cmsghdr {
     483    uptr cmsg_len;
     484    int cmsg_level;
     485    int cmsg_type;
     486  };
     487  #endif
     488  
     489  #if SANITIZER_LINUX
     490  struct __sanitizer_mmsghdr {
     491    __sanitizer_msghdr msg_hdr;
     492    unsigned int msg_len;
     493  };
     494  #endif
     495  
     496  #if SANITIZER_APPLE
     497  struct __sanitizer_dirent {
     498    unsigned long long d_ino;
     499    unsigned long long d_seekoff;
     500    unsigned short d_reclen;
     501    // more fields that we don't care about
     502  };
     503  #  elif (SANITIZER_LINUX && !SANITIZER_GLIBC) || defined(__x86_64__) || \
     504        defined(__hexagon__)
     505  struct __sanitizer_dirent {
     506    unsigned long long d_ino;
     507    unsigned long long d_off;
     508    unsigned short d_reclen;
     509    // more fields that we don't care about
     510  };
     511  #  else
     512  struct __sanitizer_dirent {
     513    uptr d_ino;
     514    uptr d_off;
     515    unsigned short d_reclen;
     516    // more fields that we don't care about
     517  };
     518  #  endif
     519  
     520  #  if SANITIZER_LINUX && !SANITIZER_ANDROID
     521  struct __sanitizer_dirent64 {
     522    unsigned long long d_ino;
     523    unsigned long long d_off;
     524    unsigned short d_reclen;
     525    // more fields that we don't care about
     526  };
     527  #endif
     528  
     529  #if defined(__x86_64__) && !defined(_LP64)
     530  typedef long long __sanitizer_clock_t;
     531  #else
     532  typedef long __sanitizer_clock_t;
     533  #endif
     534  
     535  #if SANITIZER_LINUX
     536  typedef int __sanitizer_clockid_t;
     537  #endif
     538  
     539  #if SANITIZER_LINUX
     540  #    if defined(_LP64) || defined(__x86_64__) || defined(__powerpc__) || \
     541          defined(__mips__) || defined(__hexagon__)
     542  typedef unsigned __sanitizer___kernel_uid_t;
     543  typedef unsigned __sanitizer___kernel_gid_t;
     544  #else
     545  typedef unsigned short __sanitizer___kernel_uid_t;
     546  typedef unsigned short __sanitizer___kernel_gid_t;
     547  #endif
     548  #if defined(__x86_64__) && !defined(_LP64)
     549  typedef long long __sanitizer___kernel_off_t;
     550  #else
     551  typedef long __sanitizer___kernel_off_t;
     552  #endif
     553  
     554  #if defined(__powerpc__) || defined(__mips__)
     555  typedef unsigned int __sanitizer___kernel_old_uid_t;
     556  typedef unsigned int __sanitizer___kernel_old_gid_t;
     557  #else
     558  typedef unsigned short __sanitizer___kernel_old_uid_t;
     559  typedef unsigned short __sanitizer___kernel_old_gid_t;
     560  #endif
     561  
     562  typedef long long __sanitizer___kernel_loff_t;
     563  typedef struct {
     564    unsigned long fds_bits[1024 / (8 * sizeof(long))];
     565  } __sanitizer___kernel_fd_set;
     566  #endif
     567  
     568  // This thing depends on the platform. We are only interested in the upper
     569  // limit. Verified with a compiler assert in .cpp.
     570  union __sanitizer_pthread_attr_t {
     571    char size[128];
     572    void *align;
     573  };
     574  
     575  #if SANITIZER_ANDROID
     576  # if SANITIZER_MIPS
     577  typedef unsigned long __sanitizer_sigset_t[16 / sizeof(unsigned long)];
     578  # else
     579  typedef unsigned long __sanitizer_sigset_t;
     580  # endif
     581  #elif SANITIZER_APPLE
     582  typedef unsigned __sanitizer_sigset_t;
     583  #elif SANITIZER_LINUX
     584  struct __sanitizer_sigset_t {
     585    // The size is determined by looking at sizeof of real sigset_t on linux.
     586    uptr val[128 / sizeof(uptr)];
     587  };
     588  #endif
     589  
     590  struct __sanitizer_siginfo {
     591    // The size is determined by looking at sizeof of real siginfo_t on linux.
     592    u64 opaque[128 / sizeof(u64)];
     593  };
     594  
     595  using __sanitizer_sighandler_ptr = void (*)(int sig);
     596  using __sanitizer_sigactionhandler_ptr = void (*)(int sig,
     597                                                    __sanitizer_siginfo *siginfo,
     598                                                    void *uctx);
     599  
     600  // Linux system headers define the 'sa_handler' and 'sa_sigaction' macros.
     601  #if SANITIZER_ANDROID && (SANITIZER_WORDSIZE == 64)
     602  struct __sanitizer_sigaction {
     603    unsigned sa_flags;
     604    union {
     605      __sanitizer_sigactionhandler_ptr sigaction;
     606      __sanitizer_sighandler_ptr handler;
     607    };
     608    __sanitizer_sigset_t sa_mask;
     609    void (*sa_restorer)();
     610  };
     611  #elif SANITIZER_ANDROID && SANITIZER_MIPS32  // check this before WORDSIZE == 32
     612  struct __sanitizer_sigaction {
     613    unsigned sa_flags;
     614    union {
     615      __sanitizer_sigactionhandler_ptr sigaction;
     616      __sanitizer_sighandler_ptr handler;
     617    };
     618    __sanitizer_sigset_t sa_mask;
     619  };
     620  #elif SANITIZER_ANDROID && (SANITIZER_WORDSIZE == 32)
     621  struct __sanitizer_sigaction {
     622    union {
     623      __sanitizer_sigactionhandler_ptr sigaction;
     624      __sanitizer_sighandler_ptr handler;
     625    };
     626    __sanitizer_sigset_t sa_mask;
     627    uptr sa_flags;
     628    void (*sa_restorer)();
     629  };
     630  #else // !SANITIZER_ANDROID
     631  struct __sanitizer_sigaction {
     632  #if defined(__mips__) && !SANITIZER_FREEBSD
     633    unsigned int sa_flags;
     634  #endif
     635    union {
     636      __sanitizer_sigactionhandler_ptr sigaction;
     637      __sanitizer_sighandler_ptr handler;
     638    };
     639  #if SANITIZER_FREEBSD
     640    int sa_flags;
     641    __sanitizer_sigset_t sa_mask;
     642  #else
     643  #if defined(__s390x__)
     644    int sa_resv;
     645  #else
     646    __sanitizer_sigset_t sa_mask;
     647  #endif
     648  #ifndef __mips__
     649  #if defined(__sparc__)
     650  #if __GLIBC_PREREQ (2, 20)
     651    // On sparc glibc 2.19 and earlier sa_flags was unsigned long.
     652  #if defined(__arch64__)
     653    // To maintain ABI compatibility on sparc64 when switching to an int,
     654    // __glibc_reserved0 was added.
     655    int __glibc_reserved0;
     656  #endif
     657    int sa_flags;
     658  #else
     659    unsigned long sa_flags;
     660  #endif
     661  #else
     662    int sa_flags;
     663  #endif
     664  #endif
     665  #endif
     666  #if SANITIZER_LINUX
     667    void (*sa_restorer)();
     668  #endif
     669  #if defined(__mips__) && (SANITIZER_WORDSIZE == 32)
     670    int sa_resv[1];
     671  #endif
     672  #if defined(__s390x__)
     673    __sanitizer_sigset_t sa_mask;
     674  #endif
     675  };
     676  #endif // !SANITIZER_ANDROID
     677  
     678  #if defined(__mips__)
     679  #define __SANITIZER_KERNEL_NSIG 128
     680  #else
     681  #define __SANITIZER_KERNEL_NSIG 64
     682  #endif
     683  
     684  struct __sanitizer_kernel_sigset_t {
     685    uptr sig[__SANITIZER_KERNEL_NSIG / (sizeof(uptr) * 8)];
     686  };
     687  
     688  // Linux system headers define the 'sa_handler' and 'sa_sigaction' macros.
     689  #if SANITIZER_MIPS
     690  struct __sanitizer_kernel_sigaction_t {
     691    unsigned int sa_flags;
     692    union {
     693      void (*handler)(int signo);
     694      void (*sigaction)(int signo, __sanitizer_siginfo *info, void *ctx);
     695    };
     696    __sanitizer_kernel_sigset_t sa_mask;
     697    void (*sa_restorer)(void);
     698  };
     699  #else
     700  struct __sanitizer_kernel_sigaction_t {
     701    union {
     702      void (*handler)(int signo);
     703      void (*sigaction)(int signo, __sanitizer_siginfo *info, void *ctx);
     704    };
     705    unsigned long sa_flags;
     706    void (*sa_restorer)(void);
     707    __sanitizer_kernel_sigset_t sa_mask;
     708  };
     709  #endif
     710  
     711  extern const uptr sig_ign;
     712  extern const uptr sig_dfl;
     713  extern const uptr sig_err;
     714  extern const uptr sa_siginfo;
     715  
     716  #if SANITIZER_LINUX
     717  extern int e_tabsz;
     718  #endif
     719  
     720  extern int af_inet;
     721  extern int af_inet6;
     722  uptr __sanitizer_in_addr_sz(int af);
     723  
     724  #if SANITIZER_LINUX
     725  struct __sanitizer_dl_phdr_info {
     726    uptr dlpi_addr;
     727    const char *dlpi_name;
     728    const void *dlpi_phdr;
     729    short dlpi_phnum;
     730  };
     731  
     732  extern unsigned struct_ElfW_Phdr_sz;
     733  #endif
     734  
     735  struct __sanitizer_protoent {
     736    char *p_name;
     737    char **p_aliases;
     738    int p_proto;
     739  };
     740  
     741  struct __sanitizer_netent {
     742    char *n_name;
     743    char **n_aliases;
     744    int n_addrtype;
     745    u32 n_net;
     746  };
     747  
     748  struct __sanitizer_addrinfo {
     749    int ai_flags;
     750    int ai_family;
     751    int ai_socktype;
     752    int ai_protocol;
     753  #if SANITIZER_ANDROID || SANITIZER_APPLE
     754    unsigned ai_addrlen;
     755    char *ai_canonname;
     756    void *ai_addr;
     757  #else // LINUX
     758    unsigned ai_addrlen;
     759    void *ai_addr;
     760    char *ai_canonname;
     761  #endif
     762    struct __sanitizer_addrinfo *ai_next;
     763  };
     764  
     765  struct __sanitizer_hostent {
     766    char *h_name;
     767    char **h_aliases;
     768    int h_addrtype;
     769    int h_length;
     770    char **h_addr_list;
     771  };
     772  
     773  struct __sanitizer_pollfd {
     774    int fd;
     775    short events;
     776    short revents;
     777  };
     778  
     779  #if SANITIZER_ANDROID || SANITIZER_APPLE
     780  typedef unsigned __sanitizer_nfds_t;
     781  #else
     782  typedef unsigned long __sanitizer_nfds_t;
     783  #endif
     784  
     785  #if !SANITIZER_ANDROID
     786  # if SANITIZER_LINUX
     787  struct __sanitizer_glob_t {
     788    uptr gl_pathc;
     789    char **gl_pathv;
     790    uptr gl_offs;
     791    int gl_flags;
     792  
     793    void (*gl_closedir)(void *dirp);
     794    void *(*gl_readdir)(void *dirp);
     795    void *(*gl_opendir)(const char *);
     796    int (*gl_lstat)(const char *, void *);
     797    int (*gl_stat)(const char *, void *);
     798  };
     799  # endif  // SANITIZER_LINUX
     800  
     801  # if SANITIZER_LINUX
     802  extern int glob_nomatch;
     803  extern int glob_altdirfunc;
     804  # endif
     805  #endif  // !SANITIZER_ANDROID
     806  
     807  extern unsigned path_max;
     808  
     809  #  if !SANITIZER_ANDROID
     810  extern const int wordexp_wrde_dooffs;
     811  #  endif  // !SANITIZER_ANDROID
     812  
     813  struct __sanitizer_wordexp_t {
     814    uptr we_wordc;
     815    char **we_wordv;
     816    uptr we_offs;
     817  };
     818  
     819  #if SANITIZER_LINUX && !SANITIZER_ANDROID
     820  struct __sanitizer_FILE {
     821    int _flags;
     822    char *_IO_read_ptr;
     823    char *_IO_read_end;
     824    char *_IO_read_base;
     825    char *_IO_write_base;
     826    char *_IO_write_ptr;
     827    char *_IO_write_end;
     828    char *_IO_buf_base;
     829    char *_IO_buf_end;
     830    char *_IO_save_base;
     831    char *_IO_backup_base;
     832    char *_IO_save_end;
     833    void *_markers;
     834    __sanitizer_FILE *_chain;
     835    int _fileno;
     836  };
     837  # define SANITIZER_HAS_STRUCT_FILE 1
     838  #else
     839  typedef void __sanitizer_FILE;
     840  # define SANITIZER_HAS_STRUCT_FILE 0
     841  #endif
     842  
     843  #if SANITIZER_LINUX && !SANITIZER_ANDROID &&                               \
     844      (defined(__i386) || defined(__x86_64) || defined(__mips64) ||          \
     845       defined(__powerpc64__) || defined(__aarch64__) || defined(__arm__) || \
     846       defined(__s390__) || SANITIZER_RISCV64)
     847  extern unsigned struct_user_regs_struct_sz;
     848  extern unsigned struct_user_fpregs_struct_sz;
     849  extern unsigned struct_user_fpxregs_struct_sz;
     850  extern unsigned struct_user_vfpregs_struct_sz;
     851  
     852  extern int ptrace_peektext;
     853  extern int ptrace_peekdata;
     854  extern int ptrace_peekuser;
     855  extern int ptrace_getregs;
     856  extern int ptrace_setregs;
     857  extern int ptrace_getfpregs;
     858  extern int ptrace_setfpregs;
     859  extern int ptrace_getfpxregs;
     860  extern int ptrace_setfpxregs;
     861  extern int ptrace_getvfpregs;
     862  extern int ptrace_setvfpregs;
     863  extern int ptrace_getsiginfo;
     864  extern int ptrace_setsiginfo;
     865  extern int ptrace_getregset;
     866  extern int ptrace_setregset;
     867  extern int ptrace_geteventmsg;
     868  #endif
     869  
     870  #if SANITIZER_LINUX  && !SANITIZER_ANDROID
     871  extern unsigned struct_shminfo_sz;
     872  extern unsigned struct_shm_info_sz;
     873  extern int shmctl_ipc_stat;
     874  extern int shmctl_ipc_info;
     875  extern int shmctl_shm_info;
     876  extern int shmctl_shm_stat;
     877  #endif
     878  
     879  #if !SANITIZER_APPLE && !SANITIZER_FREEBSD
     880  extern unsigned struct_utmp_sz;
     881  #endif
     882  #if !SANITIZER_ANDROID
     883  extern unsigned struct_utmpx_sz;
     884  #endif
     885  
     886  extern int map_fixed;
     887  
     888  // ioctl arguments
     889  struct __sanitizer_ifconf {
     890    int ifc_len;
     891    union {
     892      void *ifcu_req;
     893    } ifc_ifcu;
     894  #if SANITIZER_APPLE
     895  } __attribute__((packed));
     896  #else
     897  };
     898  #endif
     899  
     900  #if SANITIZER_LINUX && !SANITIZER_ANDROID
     901  struct __sanitizer__obstack_chunk {
     902    char *limit;
     903    struct __sanitizer__obstack_chunk *prev;
     904  };
     905  
     906  struct __sanitizer_obstack {
     907    long chunk_size;
     908    struct __sanitizer__obstack_chunk *chunk;
     909    char *object_base;
     910    char *next_free;
     911    uptr more_fields[7];
     912  };
     913  
     914  typedef uptr (*__sanitizer_cookie_io_read)(void *cookie, char *buf, uptr size);
     915  typedef uptr (*__sanitizer_cookie_io_write)(void *cookie, const char *buf,
     916                                              uptr size);
     917  typedef int (*__sanitizer_cookie_io_seek)(void *cookie, u64 *offset,
     918                                            int whence);
     919  typedef int (*__sanitizer_cookie_io_close)(void *cookie);
     920  
     921  struct __sanitizer_cookie_io_functions_t {
     922    __sanitizer_cookie_io_read read;
     923    __sanitizer_cookie_io_write write;
     924    __sanitizer_cookie_io_seek seek;
     925    __sanitizer_cookie_io_close close;
     926  };
     927  #endif
     928  
     929  #define IOC_NRBITS 8
     930  #define IOC_TYPEBITS 8
     931  #if defined(__powerpc__) || defined(__powerpc64__) || defined(__mips__) || \
     932      defined(__sparc__)
     933  #define IOC_SIZEBITS 13
     934  #define IOC_DIRBITS 3
     935  #define IOC_NONE 1U
     936  #define IOC_WRITE 4U
     937  #define IOC_READ 2U
     938  #else
     939  #define IOC_SIZEBITS 14
     940  #define IOC_DIRBITS 2
     941  #define IOC_NONE 0U
     942  #define IOC_WRITE 1U
     943  #define IOC_READ 2U
     944  #endif
     945  #define IOC_NRMASK ((1 << IOC_NRBITS) - 1)
     946  #define IOC_TYPEMASK ((1 << IOC_TYPEBITS) - 1)
     947  #define IOC_SIZEMASK ((1 << IOC_SIZEBITS) - 1)
     948  #if defined(IOC_DIRMASK)
     949  #undef IOC_DIRMASK
     950  #endif
     951  #define IOC_DIRMASK ((1 << IOC_DIRBITS) - 1)
     952  #define IOC_NRSHIFT 0
     953  #define IOC_TYPESHIFT (IOC_NRSHIFT + IOC_NRBITS)
     954  #define IOC_SIZESHIFT (IOC_TYPESHIFT + IOC_TYPEBITS)
     955  #define IOC_DIRSHIFT (IOC_SIZESHIFT + IOC_SIZEBITS)
     956  #define EVIOC_EV_MAX 0x1f
     957  #define EVIOC_ABS_MAX 0x3f
     958  
     959  #define IOC_DIR(nr) (((nr) >> IOC_DIRSHIFT) & IOC_DIRMASK)
     960  #define IOC_TYPE(nr) (((nr) >> IOC_TYPESHIFT) & IOC_TYPEMASK)
     961  #define IOC_NR(nr) (((nr) >> IOC_NRSHIFT) & IOC_NRMASK)
     962  
     963  #if defined(__sparc__)
     964  // In sparc the 14 bits SIZE field overlaps with the
     965  // least significant bit of DIR, so either IOC_READ or
     966  // IOC_WRITE shall be 1 in order to get a non-zero SIZE.
     967  #define IOC_SIZE(nr) \
     968    ((((((nr) >> 29) & 0x7) & (4U | 2U)) == 0) ? 0 : (((nr) >> 16) & 0x3fff))
     969  #else
     970  #define IOC_SIZE(nr) (((nr) >> IOC_SIZESHIFT) & IOC_SIZEMASK)
     971  #endif
     972  
     973  extern unsigned struct_ifreq_sz;
     974  extern unsigned struct_termios_sz;
     975  extern unsigned struct_winsize_sz;
     976  
     977  #if SANITIZER_LINUX
     978  extern unsigned struct_arpreq_sz;
     979  extern unsigned struct_cdrom_msf_sz;
     980  extern unsigned struct_cdrom_multisession_sz;
     981  extern unsigned struct_cdrom_read_audio_sz;
     982  extern unsigned struct_cdrom_subchnl_sz;
     983  extern unsigned struct_cdrom_ti_sz;
     984  extern unsigned struct_cdrom_tocentry_sz;
     985  extern unsigned struct_cdrom_tochdr_sz;
     986  extern unsigned struct_cdrom_volctrl_sz;
     987  extern unsigned struct_ff_effect_sz;
     988  extern unsigned struct_floppy_drive_params_sz;
     989  extern unsigned struct_floppy_drive_struct_sz;
     990  extern unsigned struct_floppy_fdc_state_sz;
     991  extern unsigned struct_floppy_max_errors_sz;
     992  extern unsigned struct_floppy_raw_cmd_sz;
     993  extern unsigned struct_floppy_struct_sz;
     994  extern unsigned struct_floppy_write_errors_sz;
     995  extern unsigned struct_format_descr_sz;
     996  extern unsigned struct_hd_driveid_sz;
     997  extern unsigned struct_hd_geometry_sz;
     998  extern unsigned struct_input_absinfo_sz;
     999  extern unsigned struct_input_id_sz;
    1000  extern unsigned struct_mtpos_sz;
    1001  extern unsigned struct_termio_sz;
    1002  extern unsigned struct_vt_consize_sz;
    1003  extern unsigned struct_vt_sizes_sz;
    1004  extern unsigned struct_vt_stat_sz;
    1005  #endif  // SANITIZER_LINUX
    1006  
    1007  #if SANITIZER_LINUX
    1008  extern unsigned struct_copr_buffer_sz;
    1009  extern unsigned struct_copr_debug_buf_sz;
    1010  extern unsigned struct_copr_msg_sz;
    1011  extern unsigned struct_midi_info_sz;
    1012  extern unsigned struct_mtget_sz;
    1013  extern unsigned struct_mtop_sz;
    1014  extern unsigned struct_rtentry_sz;
    1015  extern unsigned struct_sbi_instrument_sz;
    1016  extern unsigned struct_seq_event_rec_sz;
    1017  extern unsigned struct_synth_info_sz;
    1018  extern unsigned struct_vt_mode_sz;
    1019  #endif // SANITIZER_LINUX
    1020  
    1021  #if SANITIZER_LINUX && !SANITIZER_ANDROID
    1022  extern unsigned struct_ax25_parms_struct_sz;
    1023  extern unsigned struct_input_keymap_entry_sz;
    1024  extern unsigned struct_ipx_config_data_sz;
    1025  extern unsigned struct_kbdiacrs_sz;
    1026  extern unsigned struct_kbentry_sz;
    1027  extern unsigned struct_kbkeycode_sz;
    1028  extern unsigned struct_kbsentry_sz;
    1029  extern unsigned struct_mtconfiginfo_sz;
    1030  extern unsigned struct_nr_parms_struct_sz;
    1031  extern unsigned struct_scc_modem_sz;
    1032  extern unsigned struct_scc_stat_sz;
    1033  extern unsigned struct_serial_multiport_struct_sz;
    1034  extern unsigned struct_serial_struct_sz;
    1035  extern unsigned struct_sockaddr_ax25_sz;
    1036  extern unsigned struct_unimapdesc_sz;
    1037  extern unsigned struct_unimapinit_sz;
    1038  #endif  // SANITIZER_LINUX && !SANITIZER_ANDROID
    1039  
    1040  extern const unsigned long __sanitizer_bufsiz;
    1041  
    1042  #if SANITIZER_LINUX && !SANITIZER_ANDROID
    1043  extern unsigned struct_audio_buf_info_sz;
    1044  extern unsigned struct_ppp_stats_sz;
    1045  #endif  // (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
    1046  
    1047  #if !SANITIZER_ANDROID && !SANITIZER_APPLE
    1048  extern unsigned struct_sioc_sg_req_sz;
    1049  extern unsigned struct_sioc_vif_req_sz;
    1050  #endif
    1051  
    1052  // ioctl request identifiers
    1053  
    1054  // A special value to mark ioctls that are not present on the target platform,
    1055  // when it can not be determined without including any system headers.
    1056  extern const unsigned IOCTL_NOT_PRESENT;
    1057  
    1058  extern unsigned IOCTL_FIOASYNC;
    1059  extern unsigned IOCTL_FIOCLEX;
    1060  extern unsigned IOCTL_FIOGETOWN;
    1061  extern unsigned IOCTL_FIONBIO;
    1062  extern unsigned IOCTL_FIONCLEX;
    1063  extern unsigned IOCTL_FIOSETOWN;
    1064  extern unsigned IOCTL_SIOCADDMULTI;
    1065  extern unsigned IOCTL_SIOCATMARK;
    1066  extern unsigned IOCTL_SIOCDELMULTI;
    1067  extern unsigned IOCTL_SIOCGIFADDR;
    1068  extern unsigned IOCTL_SIOCGIFBRDADDR;
    1069  extern unsigned IOCTL_SIOCGIFCONF;
    1070  extern unsigned IOCTL_SIOCGIFDSTADDR;
    1071  extern unsigned IOCTL_SIOCGIFFLAGS;
    1072  extern unsigned IOCTL_SIOCGIFMETRIC;
    1073  extern unsigned IOCTL_SIOCGIFMTU;
    1074  extern unsigned IOCTL_SIOCGIFNETMASK;
    1075  extern unsigned IOCTL_SIOCGPGRP;
    1076  extern unsigned IOCTL_SIOCSIFADDR;
    1077  extern unsigned IOCTL_SIOCSIFBRDADDR;
    1078  extern unsigned IOCTL_SIOCSIFDSTADDR;
    1079  extern unsigned IOCTL_SIOCSIFFLAGS;
    1080  extern unsigned IOCTL_SIOCSIFMETRIC;
    1081  extern unsigned IOCTL_SIOCSIFMTU;
    1082  extern unsigned IOCTL_SIOCSIFNETMASK;
    1083  extern unsigned IOCTL_SIOCSPGRP;
    1084  extern unsigned IOCTL_TIOCCONS;
    1085  extern unsigned IOCTL_TIOCEXCL;
    1086  extern unsigned IOCTL_TIOCGETD;
    1087  extern unsigned IOCTL_TIOCGPGRP;
    1088  extern unsigned IOCTL_TIOCGWINSZ;
    1089  extern unsigned IOCTL_TIOCMBIC;
    1090  extern unsigned IOCTL_TIOCMBIS;
    1091  extern unsigned IOCTL_TIOCMGET;
    1092  extern unsigned IOCTL_TIOCMSET;
    1093  extern unsigned IOCTL_TIOCNOTTY;
    1094  extern unsigned IOCTL_TIOCNXCL;
    1095  extern unsigned IOCTL_TIOCOUTQ;
    1096  extern unsigned IOCTL_TIOCPKT;
    1097  extern unsigned IOCTL_TIOCSCTTY;
    1098  extern unsigned IOCTL_TIOCSETD;
    1099  extern unsigned IOCTL_TIOCSPGRP;
    1100  extern unsigned IOCTL_TIOCSTI;
    1101  extern unsigned IOCTL_TIOCSWINSZ;
    1102  #if SANITIZER_LINUX && !SANITIZER_ANDROID
    1103  extern unsigned IOCTL_SIOCGETSGCNT;
    1104  extern unsigned IOCTL_SIOCGETVIFCNT;
    1105  #endif
    1106  #if SANITIZER_LINUX
    1107  extern unsigned IOCTL_EVIOCGABS;
    1108  extern unsigned IOCTL_EVIOCGBIT;
    1109  extern unsigned IOCTL_EVIOCGEFFECTS;
    1110  extern unsigned IOCTL_EVIOCGID;
    1111  extern unsigned IOCTL_EVIOCGKEY;
    1112  extern unsigned IOCTL_EVIOCGKEYCODE;
    1113  extern unsigned IOCTL_EVIOCGLED;
    1114  extern unsigned IOCTL_EVIOCGNAME;
    1115  extern unsigned IOCTL_EVIOCGPHYS;
    1116  extern unsigned IOCTL_EVIOCGRAB;
    1117  extern unsigned IOCTL_EVIOCGREP;
    1118  extern unsigned IOCTL_EVIOCGSND;
    1119  extern unsigned IOCTL_EVIOCGSW;
    1120  extern unsigned IOCTL_EVIOCGUNIQ;
    1121  extern unsigned IOCTL_EVIOCGVERSION;
    1122  extern unsigned IOCTL_EVIOCRMFF;
    1123  extern unsigned IOCTL_EVIOCSABS;
    1124  extern unsigned IOCTL_EVIOCSFF;
    1125  extern unsigned IOCTL_EVIOCSKEYCODE;
    1126  extern unsigned IOCTL_EVIOCSREP;
    1127  extern unsigned IOCTL_BLKFLSBUF;
    1128  extern unsigned IOCTL_BLKGETSIZE;
    1129  extern unsigned IOCTL_BLKRAGET;
    1130  extern unsigned IOCTL_BLKRASET;
    1131  extern unsigned IOCTL_BLKROGET;
    1132  extern unsigned IOCTL_BLKROSET;
    1133  extern unsigned IOCTL_BLKRRPART;
    1134  extern unsigned IOCTL_BLKFRASET;
    1135  extern unsigned IOCTL_BLKFRAGET;
    1136  extern unsigned IOCTL_BLKSECTSET;
    1137  extern unsigned IOCTL_BLKSECTGET;
    1138  extern unsigned IOCTL_BLKSSZGET;
    1139  extern unsigned IOCTL_BLKBSZGET;
    1140  extern unsigned IOCTL_BLKBSZSET;
    1141  extern unsigned IOCTL_BLKGETSIZE64;
    1142  extern unsigned IOCTL_CDROMAUDIOBUFSIZ;
    1143  extern unsigned IOCTL_CDROMEJECT;
    1144  extern unsigned IOCTL_CDROMEJECT_SW;
    1145  extern unsigned IOCTL_CDROMMULTISESSION;
    1146  extern unsigned IOCTL_CDROMPAUSE;
    1147  extern unsigned IOCTL_CDROMPLAYMSF;
    1148  extern unsigned IOCTL_CDROMPLAYTRKIND;
    1149  extern unsigned IOCTL_CDROMREADAUDIO;
    1150  extern unsigned IOCTL_CDROMREADCOOKED;
    1151  extern unsigned IOCTL_CDROMREADMODE1;
    1152  extern unsigned IOCTL_CDROMREADMODE2;
    1153  extern unsigned IOCTL_CDROMREADRAW;
    1154  extern unsigned IOCTL_CDROMREADTOCENTRY;
    1155  extern unsigned IOCTL_CDROMREADTOCHDR;
    1156  extern unsigned IOCTL_CDROMRESET;
    1157  extern unsigned IOCTL_CDROMRESUME;
    1158  extern unsigned IOCTL_CDROMSEEK;
    1159  extern unsigned IOCTL_CDROMSTART;
    1160  extern unsigned IOCTL_CDROMSTOP;
    1161  extern unsigned IOCTL_CDROMSUBCHNL;
    1162  extern unsigned IOCTL_CDROMVOLCTRL;
    1163  extern unsigned IOCTL_CDROMVOLREAD;
    1164  extern unsigned IOCTL_CDROM_GET_UPC;
    1165  extern unsigned IOCTL_FDCLRPRM;
    1166  extern unsigned IOCTL_FDDEFPRM;
    1167  extern unsigned IOCTL_FDFLUSH;
    1168  extern unsigned IOCTL_FDFMTBEG;
    1169  extern unsigned IOCTL_FDFMTEND;
    1170  extern unsigned IOCTL_FDFMTTRK;
    1171  extern unsigned IOCTL_FDGETDRVPRM;
    1172  extern unsigned IOCTL_FDGETDRVSTAT;
    1173  extern unsigned IOCTL_FDGETDRVTYP;
    1174  extern unsigned IOCTL_FDGETFDCSTAT;
    1175  extern unsigned IOCTL_FDGETMAXERRS;
    1176  extern unsigned IOCTL_FDGETPRM;
    1177  extern unsigned IOCTL_FDMSGOFF;
    1178  extern unsigned IOCTL_FDMSGON;
    1179  extern unsigned IOCTL_FDPOLLDRVSTAT;
    1180  extern unsigned IOCTL_FDRAWCMD;
    1181  extern unsigned IOCTL_FDRESET;
    1182  extern unsigned IOCTL_FDSETDRVPRM;
    1183  extern unsigned IOCTL_FDSETEMSGTRESH;
    1184  extern unsigned IOCTL_FDSETMAXERRS;
    1185  extern unsigned IOCTL_FDSETPRM;
    1186  extern unsigned IOCTL_FDTWADDLE;
    1187  extern unsigned IOCTL_FDWERRORCLR;
    1188  extern unsigned IOCTL_FDWERRORGET;
    1189  extern unsigned IOCTL_HDIO_DRIVE_CMD;
    1190  extern unsigned IOCTL_HDIO_GETGEO;
    1191  extern unsigned IOCTL_HDIO_GET_32BIT;
    1192  extern unsigned IOCTL_HDIO_GET_DMA;
    1193  extern unsigned IOCTL_HDIO_GET_IDENTITY;
    1194  extern unsigned IOCTL_HDIO_GET_KEEPSETTINGS;
    1195  extern unsigned IOCTL_HDIO_GET_MULTCOUNT;
    1196  extern unsigned IOCTL_HDIO_GET_NOWERR;
    1197  extern unsigned IOCTL_HDIO_GET_UNMASKINTR;
    1198  extern unsigned IOCTL_HDIO_SET_32BIT;
    1199  extern unsigned IOCTL_HDIO_SET_DMA;
    1200  extern unsigned IOCTL_HDIO_SET_KEEPSETTINGS;
    1201  extern unsigned IOCTL_HDIO_SET_MULTCOUNT;
    1202  extern unsigned IOCTL_HDIO_SET_NOWERR;
    1203  extern unsigned IOCTL_HDIO_SET_UNMASKINTR;
    1204  extern unsigned IOCTL_MTIOCPOS;
    1205  extern unsigned IOCTL_PPPIOCGASYNCMAP;
    1206  extern unsigned IOCTL_PPPIOCGDEBUG;
    1207  extern unsigned IOCTL_PPPIOCGFLAGS;
    1208  extern unsigned IOCTL_PPPIOCGUNIT;
    1209  extern unsigned IOCTL_PPPIOCGXASYNCMAP;
    1210  extern unsigned IOCTL_PPPIOCSASYNCMAP;
    1211  extern unsigned IOCTL_PPPIOCSDEBUG;
    1212  extern unsigned IOCTL_PPPIOCSFLAGS;
    1213  extern unsigned IOCTL_PPPIOCSMAXCID;
    1214  extern unsigned IOCTL_PPPIOCSMRU;
    1215  extern unsigned IOCTL_PPPIOCSXASYNCMAP;
    1216  extern unsigned IOCTL_SIOCDARP;
    1217  extern unsigned IOCTL_SIOCDRARP;
    1218  extern unsigned IOCTL_SIOCGARP;
    1219  extern unsigned IOCTL_SIOCGIFENCAP;
    1220  extern unsigned IOCTL_SIOCGIFHWADDR;
    1221  extern unsigned IOCTL_SIOCGIFMAP;
    1222  extern unsigned IOCTL_SIOCGIFMEM;
    1223  extern unsigned IOCTL_SIOCGIFNAME;
    1224  extern unsigned IOCTL_SIOCGIFSLAVE;
    1225  extern unsigned IOCTL_SIOCGRARP;
    1226  extern unsigned IOCTL_SIOCGSTAMP;
    1227  extern unsigned IOCTL_SIOCSARP;
    1228  extern unsigned IOCTL_SIOCSIFENCAP;
    1229  extern unsigned IOCTL_SIOCSIFHWADDR;
    1230  extern unsigned IOCTL_SIOCSIFLINK;
    1231  extern unsigned IOCTL_SIOCSIFMAP;
    1232  extern unsigned IOCTL_SIOCSIFMEM;
    1233  extern unsigned IOCTL_SIOCSIFSLAVE;
    1234  extern unsigned IOCTL_SIOCSRARP;
    1235  extern unsigned IOCTL_SNDCTL_COPR_HALT;
    1236  extern unsigned IOCTL_SNDCTL_COPR_LOAD;
    1237  extern unsigned IOCTL_SNDCTL_COPR_RCODE;
    1238  extern unsigned IOCTL_SNDCTL_COPR_RCVMSG;
    1239  extern unsigned IOCTL_SNDCTL_COPR_RDATA;
    1240  extern unsigned IOCTL_SNDCTL_COPR_RESET;
    1241  extern unsigned IOCTL_SNDCTL_COPR_RUN;
    1242  extern unsigned IOCTL_SNDCTL_COPR_SENDMSG;
    1243  extern unsigned IOCTL_SNDCTL_COPR_WCODE;
    1244  extern unsigned IOCTL_SNDCTL_COPR_WDATA;
    1245  extern unsigned IOCTL_TCFLSH;
    1246  extern unsigned IOCTL_TCGETA;
    1247  extern unsigned IOCTL_TCGETS;
    1248  extern unsigned IOCTL_TCSBRK;
    1249  extern unsigned IOCTL_TCSBRKP;
    1250  extern unsigned IOCTL_TCSETA;
    1251  extern unsigned IOCTL_TCSETAF;
    1252  extern unsigned IOCTL_TCSETAW;
    1253  extern unsigned IOCTL_TCSETS;
    1254  extern unsigned IOCTL_TCSETSF;
    1255  extern unsigned IOCTL_TCSETSW;
    1256  extern unsigned IOCTL_TCXONC;
    1257  extern unsigned IOCTL_TIOCGLCKTRMIOS;
    1258  extern unsigned IOCTL_TIOCGSOFTCAR;
    1259  extern unsigned IOCTL_TIOCINQ;
    1260  extern unsigned IOCTL_TIOCLINUX;
    1261  extern unsigned IOCTL_TIOCSERCONFIG;
    1262  extern unsigned IOCTL_TIOCSERGETLSR;
    1263  extern unsigned IOCTL_TIOCSERGWILD;
    1264  extern unsigned IOCTL_TIOCSERSWILD;
    1265  extern unsigned IOCTL_TIOCSLCKTRMIOS;
    1266  extern unsigned IOCTL_TIOCSSOFTCAR;
    1267  extern unsigned IOCTL_VT_DISALLOCATE;
    1268  extern unsigned IOCTL_VT_GETSTATE;
    1269  extern unsigned IOCTL_VT_RESIZE;
    1270  extern unsigned IOCTL_VT_RESIZEX;
    1271  extern unsigned IOCTL_VT_SENDSIG;
    1272  extern unsigned IOCTL_MTIOCGET;
    1273  extern unsigned IOCTL_MTIOCTOP;
    1274  extern unsigned IOCTL_SIOCADDRT;
    1275  extern unsigned IOCTL_SIOCDELRT;
    1276  extern unsigned IOCTL_SNDCTL_DSP_GETBLKSIZE;
    1277  extern unsigned IOCTL_SNDCTL_DSP_GETFMTS;
    1278  extern unsigned IOCTL_SNDCTL_DSP_NONBLOCK;
    1279  extern unsigned IOCTL_SNDCTL_DSP_POST;
    1280  extern unsigned IOCTL_SNDCTL_DSP_RESET;
    1281  extern unsigned IOCTL_SNDCTL_DSP_SETFMT;
    1282  extern unsigned IOCTL_SNDCTL_DSP_SETFRAGMENT;
    1283  extern unsigned IOCTL_SNDCTL_DSP_SPEED;
    1284  extern unsigned IOCTL_SNDCTL_DSP_STEREO;
    1285  extern unsigned IOCTL_SNDCTL_DSP_SUBDIVIDE;
    1286  extern unsigned IOCTL_SNDCTL_DSP_SYNC;
    1287  extern unsigned IOCTL_SNDCTL_FM_4OP_ENABLE;
    1288  extern unsigned IOCTL_SNDCTL_FM_LOAD_INSTR;
    1289  extern unsigned IOCTL_SNDCTL_MIDI_INFO;
    1290  extern unsigned IOCTL_SNDCTL_MIDI_PRETIME;
    1291  extern unsigned IOCTL_SNDCTL_SEQ_CTRLRATE;
    1292  extern unsigned IOCTL_SNDCTL_SEQ_GETINCOUNT;
    1293  extern unsigned IOCTL_SNDCTL_SEQ_GETOUTCOUNT;
    1294  extern unsigned IOCTL_SNDCTL_SEQ_NRMIDIS;
    1295  extern unsigned IOCTL_SNDCTL_SEQ_NRSYNTHS;
    1296  extern unsigned IOCTL_SNDCTL_SEQ_OUTOFBAND;
    1297  extern unsigned IOCTL_SNDCTL_SEQ_PANIC;
    1298  extern unsigned IOCTL_SNDCTL_SEQ_PERCMODE;
    1299  extern unsigned IOCTL_SNDCTL_SEQ_RESET;
    1300  extern unsigned IOCTL_SNDCTL_SEQ_RESETSAMPLES;
    1301  extern unsigned IOCTL_SNDCTL_SEQ_SYNC;
    1302  extern unsigned IOCTL_SNDCTL_SEQ_TESTMIDI;
    1303  extern unsigned IOCTL_SNDCTL_SEQ_THRESHOLD;
    1304  extern unsigned IOCTL_SNDCTL_SYNTH_INFO;
    1305  extern unsigned IOCTL_SNDCTL_SYNTH_MEMAVL;
    1306  extern unsigned IOCTL_SNDCTL_TMR_CONTINUE;
    1307  extern unsigned IOCTL_SNDCTL_TMR_METRONOME;
    1308  extern unsigned IOCTL_SNDCTL_TMR_SELECT;
    1309  extern unsigned IOCTL_SNDCTL_TMR_SOURCE;
    1310  extern unsigned IOCTL_SNDCTL_TMR_START;
    1311  extern unsigned IOCTL_SNDCTL_TMR_STOP;
    1312  extern unsigned IOCTL_SNDCTL_TMR_TEMPO;
    1313  extern unsigned IOCTL_SNDCTL_TMR_TIMEBASE;
    1314  extern unsigned IOCTL_SOUND_MIXER_READ_ALTPCM;
    1315  extern unsigned IOCTL_SOUND_MIXER_READ_BASS;
    1316  extern unsigned IOCTL_SOUND_MIXER_READ_CAPS;
    1317  extern unsigned IOCTL_SOUND_MIXER_READ_CD;
    1318  extern unsigned IOCTL_SOUND_MIXER_READ_DEVMASK;
    1319  extern unsigned IOCTL_SOUND_MIXER_READ_ENHANCE;
    1320  extern unsigned IOCTL_SOUND_MIXER_READ_IGAIN;
    1321  extern unsigned IOCTL_SOUND_MIXER_READ_IMIX;
    1322  extern unsigned IOCTL_SOUND_MIXER_READ_LINE1;
    1323  extern unsigned IOCTL_SOUND_MIXER_READ_LINE2;
    1324  extern unsigned IOCTL_SOUND_MIXER_READ_LINE3;
    1325  extern unsigned IOCTL_SOUND_MIXER_READ_LINE;
    1326  extern unsigned IOCTL_SOUND_MIXER_READ_LOUD;
    1327  extern unsigned IOCTL_SOUND_MIXER_READ_MIC;
    1328  extern unsigned IOCTL_SOUND_MIXER_READ_MUTE;
    1329  extern unsigned IOCTL_SOUND_MIXER_READ_OGAIN;
    1330  extern unsigned IOCTL_SOUND_MIXER_READ_PCM;
    1331  extern unsigned IOCTL_SOUND_MIXER_READ_RECLEV;
    1332  extern unsigned IOCTL_SOUND_MIXER_READ_RECMASK;
    1333  extern unsigned IOCTL_SOUND_MIXER_READ_RECSRC;
    1334  extern unsigned IOCTL_SOUND_MIXER_READ_SPEAKER;
    1335  extern unsigned IOCTL_SOUND_MIXER_READ_STEREODEVS;
    1336  extern unsigned IOCTL_SOUND_MIXER_READ_SYNTH;
    1337  extern unsigned IOCTL_SOUND_MIXER_READ_TREBLE;
    1338  extern unsigned IOCTL_SOUND_MIXER_READ_VOLUME;
    1339  extern unsigned IOCTL_SOUND_MIXER_WRITE_ALTPCM;
    1340  extern unsigned IOCTL_SOUND_MIXER_WRITE_BASS;
    1341  extern unsigned IOCTL_SOUND_MIXER_WRITE_CD;
    1342  extern unsigned IOCTL_SOUND_MIXER_WRITE_ENHANCE;
    1343  extern unsigned IOCTL_SOUND_MIXER_WRITE_IGAIN;
    1344  extern unsigned IOCTL_SOUND_MIXER_WRITE_IMIX;
    1345  extern unsigned IOCTL_SOUND_MIXER_WRITE_LINE1;
    1346  extern unsigned IOCTL_SOUND_MIXER_WRITE_LINE2;
    1347  extern unsigned IOCTL_SOUND_MIXER_WRITE_LINE3;
    1348  extern unsigned IOCTL_SOUND_MIXER_WRITE_LINE;
    1349  extern unsigned IOCTL_SOUND_MIXER_WRITE_LOUD;
    1350  extern unsigned IOCTL_SOUND_MIXER_WRITE_MIC;
    1351  extern unsigned IOCTL_SOUND_MIXER_WRITE_MUTE;
    1352  extern unsigned IOCTL_SOUND_MIXER_WRITE_OGAIN;
    1353  extern unsigned IOCTL_SOUND_MIXER_WRITE_PCM;
    1354  extern unsigned IOCTL_SOUND_MIXER_WRITE_RECLEV;
    1355  extern unsigned IOCTL_SOUND_MIXER_WRITE_RECSRC;
    1356  extern unsigned IOCTL_SOUND_MIXER_WRITE_SPEAKER;
    1357  extern unsigned IOCTL_SOUND_MIXER_WRITE_SYNTH;
    1358  extern unsigned IOCTL_SOUND_MIXER_WRITE_TREBLE;
    1359  extern unsigned IOCTL_SOUND_MIXER_WRITE_VOLUME;
    1360  extern unsigned IOCTL_SOUND_PCM_READ_BITS;
    1361  extern unsigned IOCTL_SOUND_PCM_READ_CHANNELS;
    1362  extern unsigned IOCTL_SOUND_PCM_READ_FILTER;
    1363  extern unsigned IOCTL_SOUND_PCM_READ_RATE;
    1364  extern unsigned IOCTL_SOUND_PCM_WRITE_CHANNELS;
    1365  extern unsigned IOCTL_SOUND_PCM_WRITE_FILTER;
    1366  extern unsigned IOCTL_VT_ACTIVATE;
    1367  extern unsigned IOCTL_VT_GETMODE;
    1368  extern unsigned IOCTL_VT_OPENQRY;
    1369  extern unsigned IOCTL_VT_RELDISP;
    1370  extern unsigned IOCTL_VT_SETMODE;
    1371  extern unsigned IOCTL_VT_WAITACTIVE;
    1372  #endif  // SANITIZER_LINUX
    1373  
    1374  #if SANITIZER_LINUX && !SANITIZER_ANDROID
    1375  extern unsigned IOCTL_EQL_EMANCIPATE;
    1376  extern unsigned IOCTL_EQL_ENSLAVE;
    1377  extern unsigned IOCTL_EQL_GETMASTRCFG;
    1378  extern unsigned IOCTL_EQL_GETSLAVECFG;
    1379  extern unsigned IOCTL_EQL_SETMASTRCFG;
    1380  extern unsigned IOCTL_EQL_SETSLAVECFG;
    1381  extern unsigned IOCTL_EVIOCGKEYCODE_V2;
    1382  extern unsigned IOCTL_EVIOCGPROP;
    1383  extern unsigned IOCTL_EVIOCSKEYCODE_V2;
    1384  extern unsigned IOCTL_FS_IOC_GETFLAGS;
    1385  extern unsigned IOCTL_FS_IOC_GETVERSION;
    1386  extern unsigned IOCTL_FS_IOC_SETFLAGS;
    1387  extern unsigned IOCTL_FS_IOC_SETVERSION;
    1388  extern unsigned IOCTL_GIO_CMAP;
    1389  extern unsigned IOCTL_GIO_FONT;
    1390  extern unsigned IOCTL_GIO_UNIMAP;
    1391  extern unsigned IOCTL_GIO_UNISCRNMAP;
    1392  extern unsigned IOCTL_KDADDIO;
    1393  extern unsigned IOCTL_KDDELIO;
    1394  extern unsigned IOCTL_KDGETKEYCODE;
    1395  extern unsigned IOCTL_KDGKBDIACR;
    1396  extern unsigned IOCTL_KDGKBENT;
    1397  extern unsigned IOCTL_KDGKBLED;
    1398  extern unsigned IOCTL_KDGKBMETA;
    1399  extern unsigned IOCTL_KDGKBSENT;
    1400  extern unsigned IOCTL_KDMAPDISP;
    1401  extern unsigned IOCTL_KDSETKEYCODE;
    1402  extern unsigned IOCTL_KDSIGACCEPT;
    1403  extern unsigned IOCTL_KDSKBDIACR;
    1404  extern unsigned IOCTL_KDSKBENT;
    1405  extern unsigned IOCTL_KDSKBLED;
    1406  extern unsigned IOCTL_KDSKBMETA;
    1407  extern unsigned IOCTL_KDSKBSENT;
    1408  extern unsigned IOCTL_KDUNMAPDISP;
    1409  extern unsigned IOCTL_LPABORT;
    1410  extern unsigned IOCTL_LPABORTOPEN;
    1411  extern unsigned IOCTL_LPCAREFUL;
    1412  extern unsigned IOCTL_LPCHAR;
    1413  extern unsigned IOCTL_LPGETIRQ;
    1414  extern unsigned IOCTL_LPGETSTATUS;
    1415  extern unsigned IOCTL_LPRESET;
    1416  extern unsigned IOCTL_LPSETIRQ;
    1417  extern unsigned IOCTL_LPTIME;
    1418  extern unsigned IOCTL_LPWAIT;
    1419  extern unsigned IOCTL_MTIOCGETCONFIG;
    1420  extern unsigned IOCTL_MTIOCSETCONFIG;
    1421  extern unsigned IOCTL_PIO_CMAP;
    1422  extern unsigned IOCTL_PIO_FONT;
    1423  extern unsigned IOCTL_PIO_UNIMAP;
    1424  extern unsigned IOCTL_PIO_UNIMAPCLR;
    1425  extern unsigned IOCTL_PIO_UNISCRNMAP;
    1426  extern unsigned IOCTL_SCSI_IOCTL_GET_IDLUN;
    1427  extern unsigned IOCTL_SCSI_IOCTL_PROBE_HOST;
    1428  extern unsigned IOCTL_SCSI_IOCTL_TAGGED_DISABLE;
    1429  extern unsigned IOCTL_SCSI_IOCTL_TAGGED_ENABLE;
    1430  extern unsigned IOCTL_SIOCAIPXITFCRT;
    1431  extern unsigned IOCTL_SIOCAIPXPRISLT;
    1432  extern unsigned IOCTL_SIOCAX25ADDUID;
    1433  extern unsigned IOCTL_SIOCAX25DELUID;
    1434  extern unsigned IOCTL_SIOCAX25GETPARMS;
    1435  extern unsigned IOCTL_SIOCAX25GETUID;
    1436  extern unsigned IOCTL_SIOCAX25NOUID;
    1437  extern unsigned IOCTL_SIOCAX25SETPARMS;
    1438  extern unsigned IOCTL_SIOCDEVPLIP;
    1439  extern unsigned IOCTL_SIOCIPXCFGDATA;
    1440  extern unsigned IOCTL_SIOCNRDECOBS;
    1441  extern unsigned IOCTL_SIOCNRGETPARMS;
    1442  extern unsigned IOCTL_SIOCNRRTCTL;
    1443  extern unsigned IOCTL_SIOCNRSETPARMS;
    1444  extern unsigned IOCTL_SNDCTL_DSP_GETISPACE;
    1445  extern unsigned IOCTL_SNDCTL_DSP_GETOSPACE;
    1446  extern unsigned IOCTL_TIOCGSERIAL;
    1447  extern unsigned IOCTL_TIOCSERGETMULTI;
    1448  extern unsigned IOCTL_TIOCSERSETMULTI;
    1449  extern unsigned IOCTL_TIOCSSERIAL;
    1450  extern unsigned IOCTL_GIO_SCRNMAP;
    1451  extern unsigned IOCTL_KDDISABIO;
    1452  extern unsigned IOCTL_KDENABIO;
    1453  extern unsigned IOCTL_KDGETLED;
    1454  extern unsigned IOCTL_KDGETMODE;
    1455  extern unsigned IOCTL_KDGKBMODE;
    1456  extern unsigned IOCTL_KDGKBTYPE;
    1457  extern unsigned IOCTL_KDMKTONE;
    1458  extern unsigned IOCTL_KDSETLED;
    1459  extern unsigned IOCTL_KDSETMODE;
    1460  extern unsigned IOCTL_KDSKBMODE;
    1461  extern unsigned IOCTL_KIOCSOUND;
    1462  extern unsigned IOCTL_PIO_SCRNMAP;
    1463  #endif
    1464  
    1465  extern const int si_SEGV_MAPERR;
    1466  extern const int si_SEGV_ACCERR;
    1467  }  // namespace __sanitizer
    1468  
    1469  #define CHECK_TYPE_SIZE(TYPE) \
    1470    COMPILER_CHECK(sizeof(__sanitizer_##TYPE) == sizeof(TYPE))
    1471  
    1472  #define CHECK_SIZE_AND_OFFSET(CLASS, MEMBER)                      \
    1473    COMPILER_CHECK(sizeof(((__sanitizer_##CLASS *)NULL)->MEMBER) == \
    1474                   sizeof(((CLASS *)NULL)->MEMBER));                \
    1475    COMPILER_CHECK(offsetof(__sanitizer_##CLASS, MEMBER) ==         \
    1476                   offsetof(CLASS, MEMBER))
    1477  
    1478  // For sigaction, which is a function and struct at the same time,
    1479  // and thus requires explicit "struct" in sizeof() expression.
    1480  #define CHECK_STRUCT_SIZE_AND_OFFSET(CLASS, MEMBER)                      \
    1481    COMPILER_CHECK(sizeof(((struct __sanitizer_##CLASS *)NULL)->MEMBER) == \
    1482                   sizeof(((struct CLASS *)NULL)->MEMBER));                \
    1483    COMPILER_CHECK(offsetof(struct __sanitizer_##CLASS, MEMBER) ==         \
    1484                   offsetof(struct CLASS, MEMBER))
    1485  
    1486  #define SIGACTION_SYMNAME sigaction
    1487  
    1488  #endif  // SANITIZER_LINUX || SANITIZER_APPLE
    1489  
    1490  #endif