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 && minor == other.minor; 42 } 43 bool operator>=(const VersionType &other) const { 44 return major > other.major || 45 (major == other.major && minor >= other.minor); 46 } 47 bool operator<(const VersionType &other) const { return !(*this >= other); } 48}; 49 50struct MacosVersion : VersionBase<MacosVersion> { 51 MacosVersion(u16 major, u16 minor) : VersionBase(major, minor) {} 52}; 53 54struct DarwinKernelVersion : VersionBase<DarwinKernelVersion> { 55 DarwinKernelVersion(u16 major, u16 minor) : VersionBase(major, minor) {} 56}; 57 58MacosVersion GetMacosAlignedVersion(); 59DarwinKernelVersion GetDarwinKernelVersion(); 60 61char **GetEnviron(); 62 63void RestrictMemoryToMaxAddress(uptr max_address); 64 65using ThreadEventCallback = void (*)(uptr thread); 66using ThreadCreateEventCallback = void (*)(uptr thread, bool gcd_worker); 67struct ThreadEventCallbacks { 68 ThreadCreateEventCallback create; 69 ThreadEventCallback start; 70 ThreadEventCallback terminate; 71 ThreadEventCallback destroy; 72}; 73 74void InstallPthreadIntrospectionHook(const ThreadEventCallbacks &callbacks); 75 76} // namespace __sanitizer 77 78#endif // SANITIZER_APPLE 79#endif // SANITIZER_APPLE_H 80