libsanitizer/sanitizer_common/sanitizer_mac.h

   1 //===-- sanitizer_mac.h -----------------------------------------*- C++ -*-===//
   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 shared between various sanitizers' runtime libraries and
  10 // provides definitions for OSX-specific functions.
  11 //===----------------------------------------------------------------------===//
  12 #ifndef SANITIZER_MAC_H
  13 #define SANITIZER_MAC_H
  14
  15 #include "sanitizer_common.h"
  16 #include "sanitizer_platform.h"
  17 #if SANITIZER_MAC
  18 #include "sanitizer_posix.h"
  19
  20 namespace __sanitizer {
  21
  22 struct MemoryMappingLayoutData {
  23   int current_image;
  24   u32 current_magic;
  25   u32 current_filetype;
  26   ModuleArch current_arch;
  27   u8 current_uuid[kModuleUUIDSize];
  28   int current_load_cmd_count;
  29   const char *current_load_cmd_addr;
  30   bool current_instrumented;
  31 };
  32
  33 enum MacosVersion {
  34   MACOS_VERSION_UNINITIALIZED = 0,
  35   MACOS_VERSION_UNKNOWN,
  36   MACOS_VERSION_LEOPARD,
  37   MACOS_VERSION_SNOW_LEOPARD,
  38   MACOS_VERSION_LION,
  39   MACOS_VERSION_MOUNTAIN_LION,
  40   MACOS_VERSION_MAVERICKS,
  41   MACOS_VERSION_YOSEMITE,
  42   MACOS_VERSION_EL_CAPITAN,
  43   MACOS_VERSION_SIERRA,
  44   MACOS_VERSION_HIGH_SIERRA,
  45   MACOS_VERSION_HIGH_SIERRA_DOT_RELEASE_4,
  46   MACOS_VERSION_MOJAVE,
  47   MACOS_VERSION_CATALINA,
  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