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 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 template <typename VersionType> 34 struct 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 50 struct MacosVersion : VersionBase<MacosVersion> { 51 MacosVersion(u16 major, u16 minor) : VersionBase(major, minor) {} 52 }; 53 54 struct DarwinKernelVersion : VersionBase<DarwinKernelVersion> { 55 DarwinKernelVersion(u16 major, u16 minor) : VersionBase(major, minor) {} 56 }; 57 58 MacosVersion GetMacosAlignedVersion(); 59 DarwinKernelVersion GetDarwinKernelVersion(); 60 61 char **GetEnviron(); 62 63 void RestrictMemoryToMaxAddress(uptr max_address); 64 65 using ThreadEventCallback = void (*)(uptr thread); 66 using ThreadCreateEventCallback = void (*)(uptr thread, bool gcd_worker); 67 struct ThreadEventCallbacks { 68 ThreadCreateEventCallback create; 69 ThreadEventCallback start; 70 ThreadEventCallback terminate; 71 ThreadEventCallback destroy; 72 }; 73 74 void InstallPthreadIntrospectionHook(const ThreadEventCallbacks &callbacks); 75 76 } // namespace __sanitizer 77 78 #endif // SANITIZER_APPLE 79 #endif // SANITIZER_APPLE_H 80