lib/sanitizer_common/sanitizer_mac.h

   1 //===-- sanitizer_mac.h -----------------------------------------*- C++ -*-===//
   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 shared between various sanitizers' runtime libraries and
  11 // provides definitions for OSX-specific functions.
  12 //===----------------------------------------------------------------------===//
  13 #ifndef SANITIZER_MAC_H
  14 #define SANITIZER_MAC_H
  15
  16 #include "sanitizer_common.h"
  17 #include "sanitizer_platform.h"
  18 #if SANITIZER_MAC
  19 #include "sanitizer_posix.h"
  20
  21 namespace __sanitizer {
  22
  23 enum MacosVersion {
  24   MACOS_VERSION_UNINITIALIZED = 0,
  25   MACOS_VERSION_UNKNOWN,
  26   MACOS_VERSION_LEOPARD,
  27   MACOS_VERSION_SNOW_LEOPARD,
  28   MACOS_VERSION_LION,
  29   MACOS_VERSION_MOUNTAIN_LION,
  30   MACOS_VERSION_MAVERICKS,
  31   MACOS_VERSION_YOSEMITE,
  32   MACOS_VERSION_UNKNOWN_NEWER
  33 };
  34
  35 MacosVersion GetMacosVersion();
  36
  37 char **GetEnviron();
  38
  39 void RestrictMemoryToMaxAddress(uptr max_address);
  40
  41 }  // namespace __sanitizer
  42
  43 extern "C" {
  44 static char __crashreporter_info_buff__[__sanitizer::kErrorMessageBufferSize] =
  45   {};
  46 static const char *__crashreporter_info__ __attribute__((__used__)) =
  47   &__crashreporter_info_buff__[0];
  48 asm(".desc ___crashreporter_info__, 0x10");
  49 } // extern "C"
  50
  51 namespace __sanitizer {
  52 static BlockingMutex crashreporter_info_mutex(LINKER_INITIALIZED);
  53
  54 INLINE void CRAppendCrashLogMessage(const char *msg) {
  55   BlockingMutexLock l(&crashreporter_info_mutex);
  56   internal_strlcat(__crashreporter_info_buff__, msg,
  57                    sizeof(__crashreporter_info_buff__)); }
  58 }  // namespace __sanitizer
  59
  60 #endif  // SANITIZER_MAC
  61 #endif  // SANITIZER_MAC_H