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
78