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_APPLE_H
13#define SANITIZER_APPLE_H
14
15#include "sanitizer_common.h"
16#include "sanitizer_platform.h"
17#if SANITIZER_APPLE
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
33template <typename VersionType>
34struct VersionBase {
35 u16 major;
36 u16 minor;
37
38 VersionBase(u16 major, u16 minor) : major(major), minor(minor) {}
39
40 bool operator>=(const VersionType &other) const {
41 return major > other.major ||
42 (major == other.major && minor >= other.minor);
43 }
44 bool operator<(const VersionType &other) const { return !(*this >= other); }
45};
46
47template <typename VersionType>
48bool operator==(const VersionBase<VersionType> &self,
49 const VersionBase<VersionType> &other) {
50 return self.major == other.major && self.minor == other.minor;
51}
52
53struct MacosVersion : VersionBase<MacosVersion> {
54 MacosVersion(u16 major, u16 minor) : VersionBase(major, minor) {}
55};
56
57struct DarwinKernelVersion : VersionBase<DarwinKernelVersion> {
58 DarwinKernelVersion(u16 major, u16 minor) : VersionBase(major, minor) {}
59};
60
61MacosVersion GetMacosAlignedVersion();
62DarwinKernelVersion GetDarwinKernelVersion();
63
64char **GetEnviron();
65
66void RestrictMemoryToMaxAddress(uptr max_address);
67
68using ThreadEventCallback = void (*)(uptr thread);
69using ThreadCreateEventCallback = void (*)(uptr thread, bool gcd_worker);
70struct ThreadEventCallbacks {
71 ThreadCreateEventCallback create;
72 ThreadEventCallback start;
73 ThreadEventCallback terminate;
74 ThreadEventCallback destroy;
75};
76
77void InstallPthreadIntrospectionHook(const ThreadEventCallbacks &callbacks);
78
79} // namespace __sanitizer
80
81#endif // SANITIZER_APPLE
82#endif // SANITIZER_APPLE_H
83

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source code of compiler-rt/lib/sanitizer_common/sanitizer_mac.h