| 1 | //===-- sanitizer_mac.h -----------------------------------------*- C++ -*-===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | // |
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| 9 | // This file is shared between various sanitizers' runtime libraries and |
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| 10 | // provides definitions for OSX-specific functions. |
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| 11 | //===----------------------------------------------------------------------===// |
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| 12 | #ifndef SANITIZER_APPLE_H |
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| 13 | #define SANITIZER_APPLE_H |
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| 14 | |
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| 15 | #include "sanitizer_common.h" |
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| 16 | #include "sanitizer_platform.h" |
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| 17 | #if SANITIZER_APPLE |
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| 18 | #include "sanitizer_posix.h" |
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| 19 | |
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| 20 | namespace __sanitizer { |
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| 21 | |
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| 22 | struct MemoryMappingLayoutData { |
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| 23 | int current_image; |
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| 24 | u32 current_magic; |
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| 25 | u32 current_filetype; |
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| 26 | ModuleArch current_arch; |
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| 27 | u8 current_uuid[kModuleUUIDSize]; |
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| 28 | int current_load_cmd_count; |
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| 29 | const char *current_load_cmd_addr; |
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| 30 | bool current_instrumented; |
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| 31 | }; |
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| 32 | |
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| 33 | template <typename VersionType> |
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| 34 | struct VersionBase { |
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| 35 | u16 major; |
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| 36 | u16 minor; |
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| 37 | |
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| 38 | VersionBase(u16 major, u16 minor) : major(major), minor(minor) {} |
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| 39 | |
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| 40 | bool operator==(const VersionType &other) const { |
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| 41 | return major == other.major && minor == other.minor; |
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| 42 | } |
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| 43 | bool operator>=(const VersionType &other) const { |
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| 44 | return major > other.major || |
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| 45 | (major == other.major && minor >= other.minor); |
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| 46 | } |
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| 47 | bool operator<(const VersionType &other) const { return !(*this >= other); } |
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| 48 | }; |
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| 49 | |
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| 50 | struct MacosVersion : VersionBase<MacosVersion> { |
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| 51 | MacosVersion(u16 major, u16 minor) : VersionBase(major, minor) {} |
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| 52 | }; |
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| 53 | |
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| 54 | struct DarwinKernelVersion : VersionBase<DarwinKernelVersion> { |
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| 55 | DarwinKernelVersion(u16 major, u16 minor) : VersionBase(major, minor) {} |
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| 56 | }; |
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| 57 | |
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| 58 | MacosVersion GetMacosAlignedVersion(); |
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| 59 | DarwinKernelVersion GetDarwinKernelVersion(); |
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| 60 | |
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| 61 | char **GetEnviron(); |
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| 62 | |
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| 63 | void RestrictMemoryToMaxAddress(uptr max_address); |
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| 64 | |
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| 65 | using ThreadEventCallback = void (*)(uptr thread); |
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| 66 | using ThreadCreateEventCallback = void (*)(uptr thread, bool gcd_worker); |
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| 67 | struct ThreadEventCallbacks { |
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| 68 | ThreadCreateEventCallback create; |
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| 69 | ThreadEventCallback start; |
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| 70 | ThreadEventCallback terminate; |
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| 71 | ThreadEventCallback destroy; |
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| 72 | }; |
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| 73 | |
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| 74 | void InstallPthreadIntrospectionHook(const ThreadEventCallbacks &callbacks); |
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| 75 | |
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| 76 | } // namespace __sanitizer |
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| 77 | |
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| 78 | #endif // SANITIZER_APPLE |
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| 79 | #endif // SANITIZER_APPLE_H |
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| 80 | |
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