summaryrefslogtreecommitdiff
path: root/lib/sanitizer_common/sanitizer_mac.h
blob: 7ba394fb7939ea8ea0fc454e8e161e5503adea18 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
//===-- sanitizer_mac.h -----------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file is shared between various sanitizers' runtime libraries and
// provides definitions for OSX-specific functions.
//===----------------------------------------------------------------------===//
#ifndef SANITIZER_MAC_H
#define SANITIZER_MAC_H

#include "sanitizer_common.h"
#include "sanitizer_platform.h"
#if SANITIZER_MAC
#include "sanitizer_posix.h"

namespace __sanitizer {

struct MemoryMappingLayoutData {
  int current_image;
  u32 current_magic;
  u32 current_filetype;
  ModuleArch current_arch;
  u8 current_uuid[kModuleUUIDSize];
  int current_load_cmd_count;
  const char *current_load_cmd_addr;
  bool current_instrumented;
};

enum MacosVersion {
  MACOS_VERSION_UNINITIALIZED = 0,
  MACOS_VERSION_UNKNOWN,
  MACOS_VERSION_LEOPARD,
  MACOS_VERSION_SNOW_LEOPARD,
  MACOS_VERSION_LION,
  MACOS_VERSION_MOUNTAIN_LION,
  MACOS_VERSION_MAVERICKS,
  MACOS_VERSION_YOSEMITE,
  MACOS_VERSION_EL_CAPITAN,
  MACOS_VERSION_SIERRA,
  MACOS_VERSION_HIGH_SIERRA,
  MACOS_VERSION_HIGH_SIERRA_DOT_RELEASE_4,
  MACOS_VERSION_MOJAVE,
  MACOS_VERSION_UNKNOWN_NEWER
};

MacosVersion GetMacosVersion();

char **GetEnviron();

void RestrictMemoryToMaxAddress(uptr max_address);

}  // namespace __sanitizer

extern "C" {
static char __crashreporter_info_buff__[__sanitizer::kErrorMessageBufferSize] =
  {};
static const char *__crashreporter_info__ __attribute__((__used__)) =
  &__crashreporter_info_buff__[0];
asm(".desc ___crashreporter_info__, 0x10");
} // extern "C"

namespace __sanitizer {
static BlockingMutex crashreporter_info_mutex(LINKER_INITIALIZED);

INLINE void CRAppendCrashLogMessage(const char *msg) {
  BlockingMutexLock l(&crashreporter_info_mutex);
  internal_strlcat(__crashreporter_info_buff__, msg,
                   sizeof(__crashreporter_info_buff__)); }
}  // namespace __sanitizer

#endif  // SANITIZER_MAC
#endif  // SANITIZER_MAC_H