contrib/compiler-rt/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 struct MemoryMappingLayoutData {
  24   int current_image;
  25   u32 current_magic;
  26   u32 current_filetype;
  27   ModuleArch current_arch;
  28   u8 current_uuid[kModuleUUIDSize];
  29   int current_load_cmd_count;
  30   const char *current_load_cmd_addr;
  31   bool current_instrumented;
  32 };
  33
  34 enum MacosVersion {
  35   MACOS_VERSION_UNINITIALIZED = 0,
  36   MACOS_VERSION_UNKNOWN,
  37   MACOS_VERSION_LEOPARD,
  38   MACOS_VERSION_SNOW_LEOPARD,
  39   MACOS_VERSION_LION,
  40   MACOS_VERSION_MOUNTAIN_LION,
  41   MACOS_VERSION_MAVERICKS,
  42   MACOS_VERSION_YOSEMITE,
  43   MACOS_VERSION_EL_CAPITAN,
  44   MACOS_VERSION_SIERRA,
  45   MACOS_VERSION_HIGH_SIERRA,
  46   MACOS_VERSION_HIGH_SIERRA_DOT_RELEASE_4,
  47   MACOS_VERSION_MOJAVE,
  48   MACOS_VERSION_UNKNOWN_NEWER
  49 };
  50
  51 MacosVersion GetMacosVersion();
  52
  53 char **GetEnviron();
  54
  55 void RestrictMemoryToMaxAddress(uptr max_address);
  56
  57 }  // namespace __sanitizer
  58
  59 extern "C" {
  60 static char __crashreporter_info_buff__[__sanitizer::kErrorMessageBufferSize] =
  61   {};
  62 static const char *__crashreporter_info__ __attribute__((__used__)) =
  63   &__crashreporter_info_buff__[0];
  64 asm(".desc ___crashreporter_info__, 0x10");
  65 } // extern "C"
  66
  67 namespace __sanitizer {
  68 static BlockingMutex crashreporter_info_mutex(LINKER_INITIALIZED);
  69
  70 INLINE void CRAppendCrashLogMessage(const char *msg) {
  71   BlockingMutexLock l(&crashreporter_info_mutex);
  72   internal_strlcat(__crashreporter_info_buff__, msg,
  73                    sizeof(__crashreporter_info_buff__)); }
  74 }  // namespace __sanitizer
  75
  76 #endif  // SANITIZER_MAC
  77 #endif  // SANITIZER_MAC_H