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
20namespace __sanitizer {
21
22struct 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
33enum 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
51MacosVersion GetMacosVersion();
52
53char **GetEnviron();
54
55void RestrictMemoryToMaxAddress(uptr max_address);
56
57}  // namespace __sanitizer
58
59extern "C" {
60static char __crashreporter_info_buff__[__sanitizer::kErrorMessageBufferSize] =
61  {};
62static const char *__crashreporter_info__ __attribute__((__used__)) =
63  &__crashreporter_info_buff__[0];
64asm(".desc ___crashreporter_info__, 0x10");
65} // extern "C"
66
67namespace __sanitizer {
68static BlockingMutex crashreporter_info_mutex(LINKER_INITIALIZED);
69
70INLINE 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
78