libsanitizer/sanitizer_common/sanitizer_mac.h

   1 //===-- sanitizer_mac.h -----------------------------------------*- C++ -*-===//
   2 //
   3 // This file is distributed under the University of Illinois Open Source
   4 // License. See LICENSE.TXT for details.
   5 //
   6 //===----------------------------------------------------------------------===//
   7 //
   8 // This file is shared between various sanitizers' runtime libraries and
   9 // provides definitions for OSX-specific functions.
  10 //===----------------------------------------------------------------------===//
  11 #ifndef SANITIZER_MAC_H
  12 #define SANITIZER_MAC_H
  13
  14 #include "sanitizer_common.h"
  15 #include "sanitizer_platform.h"
  16 #if SANITIZER_MAC
  17 #include "sanitizer_posix.h"
  18
  19 namespace __sanitizer {
  20
  21 struct MemoryMappingLayoutData {
  22   int current_image;
  23   u32 current_magic;
  24   u32 current_filetype;
  25   ModuleArch current_arch;
  26   u8 current_uuid[kModuleUUIDSize];
  27   int current_load_cmd_count;
  28   const char *current_load_cmd_addr;
  29   bool current_instrumented;
  30 };
  31
  32 enum MacosVersion {
  33   MACOS_VERSION_UNINITIALIZED = 0,
  34   MACOS_VERSION_UNKNOWN,
  35   MACOS_VERSION_LEOPARD,
  36   MACOS_VERSION_SNOW_LEOPARD,
  37   MACOS_VERSION_LION,
  38   MACOS_VERSION_MOUNTAIN_LION,
  39   MACOS_VERSION_MAVERICKS,
  40   MACOS_VERSION_YOSEMITE,
  41   MACOS_VERSION_EL_CAPITAN,
  42   MACOS_VERSION_SIERRA,
  43   MACOS_VERSION_HIGH_SIERRA,
  44   MACOS_VERSION_MOJAVE,
  45   MACOS_VERSION_UNKNOWN_NEWER
  46 };
  47
  48 MacosVersion GetMacosVersion();
  49
  50 char **GetEnviron();
  51
  52 void RestrictMemoryToMaxAddress(uptr max_address);
  53
  54 }  // namespace __sanitizer
  55
  56 extern "C" {
  57 static char __crashreporter_info_buff__[__sanitizer::kErrorMessageBufferSize] =
  58   {};
  59 static const char *__crashreporter_info__ __attribute__((__used__)) =
  60   &__crashreporter_info_buff__[0];
  61 asm(".desc ___crashreporter_info__, 0x10");
  62 } // extern "C"
  63
  64 namespace __sanitizer {
  65 static BlockingMutex crashreporter_info_mutex(LINKER_INITIALIZED);
  66
  67 INLINE void CRAppendCrashLogMessage(const char *msg) {
  68   BlockingMutexLock l(&crashreporter_info_mutex);
  69   internal_strlcat(__crashreporter_info_buff__, msg,
  70                    sizeof(__crashreporter_info_buff__)); }
  71 }  // namespace __sanitizer
  72
  73 #endif  // SANITIZER_MAC
  74 #endif  // SANITIZER_MAC_H