zig/lib/tsan/sanitizer_common/sanitizer_mac.h
2020-12-24 01:18:47 -07:00

85 lines
2.5 KiB
C++

//===-- 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;
};
template <typename VersionType>
struct VersionBase {
u16 major;
u16 minor;
VersionBase(u16 major, u16 minor) : major(major), minor(minor) {}
bool operator==(const VersionType &other) const {
return major == other.major && minor == other.minor;
}
bool operator>=(const VersionType &other) const {
return major > other.major ||
(major == other.major && minor >= other.minor);
}
};
struct MacosVersion : VersionBase<MacosVersion> {
MacosVersion(u16 major, u16 minor) : VersionBase(major, minor) {}
};
struct DarwinKernelVersion : VersionBase<DarwinKernelVersion> {
DarwinKernelVersion(u16 major, u16 minor) : VersionBase(major, minor) {}
};
MacosVersion GetMacosAlignedVersion();
DarwinKernelVersion GetDarwinKernelVersion();
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