lib/sanitizer_common/sanitizer_platform_limits_posix.cc

   1 //===-- sanitizer_platform_limits_posix.cc --------------------------------===//
   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
  16 #include "sanitizer_platform.h"
  17 #if SANITIZER_LINUX || SANITIZER_MAC
  18
  19 #include "sanitizer_internal_defs.h"
  20 #include "sanitizer_platform_limits_posix.h"
  21
  22 #include <dirent.h>
  23 #include <pthread.h>
  24 #include <pwd.h>
  25 #include <signal.h>
  26 #include <sys/utsname.h>
  27 #include <sys/types.h>
  28 #include <sys/stat.h>
  29 #include <sys/time.h>
  30 #include <sys/resource.h>
  31 #include <sys/socket.h>
  32 #include <time.h>
  33
  34 #if SANITIZER_LINUX
  35 #include <sys/vfs.h>
  36 #include <sys/epoll.h>
  37 #endif // SANITIZER_LINUX
  38
  39 namespace __sanitizer {
  40   unsigned struct_utsname_sz = sizeof(struct utsname);
  41   unsigned struct_stat_sz = sizeof(struct stat);
  42   unsigned struct_stat64_sz = sizeof(struct stat64);
  43   unsigned struct_rusage_sz = sizeof(struct rusage);
  44   unsigned struct_tm_sz = sizeof(struct tm);
  45   unsigned struct_passwd_sz = sizeof(struct passwd);
  46   unsigned struct_sigaction_sz = sizeof(struct sigaction);
  47   unsigned struct_itimerval_sz = sizeof(struct itimerval);
  48   unsigned pthread_t_sz = sizeof(pthread_t);
  49
  50 #if SANITIZER_LINUX
  51   unsigned struct_rlimit_sz = sizeof(struct rlimit);
  52   unsigned struct_dirent_sz = sizeof(struct dirent);
  53   unsigned struct_statfs_sz = sizeof(struct statfs);
  54   unsigned struct_epoll_event_sz = sizeof(struct epoll_event);
  55   unsigned struct_timespec_sz = sizeof(struct timespec);
  56 #endif // SANITIZER_LINUX
  57
  58 #if SANITIZER_LINUX && !SANITIZER_ANDROID
  59   unsigned struct_dirent64_sz = sizeof(struct dirent64);
  60   unsigned struct_rlimit64_sz = sizeof(struct rlimit64);
  61   unsigned struct_statfs64_sz = sizeof(struct statfs64);
  62 #endif // SANITIZER_LINUX && !SANITIZER_ANDROID
  63
  64   void* __sanitizer_get_msghdr_iov_iov_base(void* msg, int idx) {
  65     return ((struct msghdr *)msg)->msg_iov[idx].iov_base;
  66   }
  67
  68   uptr __sanitizer_get_msghdr_iov_iov_len(void* msg, int idx) {
  69     return ((struct msghdr *)msg)->msg_iov[idx].iov_len;
  70   }
  71
  72   uptr __sanitizer_get_msghdr_iovlen(void* msg) {
  73     return ((struct msghdr *)msg)->msg_iovlen;
  74   }
  75
  76   uptr __sanitizer_get_socklen_t(void* socklen_ptr) {
  77     return *(socklen_t*)socklen_ptr;
  78   }
  79 }  // namespace __sanitizer
  80
  81 COMPILER_CHECK(sizeof(__sanitizer_pthread_attr_t) >= sizeof(pthread_attr_t));
  82
  83 #endif  // SANITIZER_LINUX || SANITIZER_MAC