Ryan Macnak
f1ba8ceacf
Fix GCC TSAN build. Cleanup sanitizer includes. TEST=ci Change-Id: Ib68bbfa701b4309c03514ed689391051094208e4 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/452226 Commit-Queue: Ryan Macnak <rmacnak@google.com> Reviewed-by: Alexander Aprelev <aam@google.com>
53 lines
1.9 KiB
C++
53 lines
1.9 KiB
C++
// Copyright (c) 2024, the Dart project authors. Please see the AUTHORS file
|
|
// for details. All rights reserved. Use of this source code is governed by a
|
|
// BSD-style license that can be found in the LICENSE file.
|
|
|
|
#ifndef RUNTIME_PLATFORM_NO_TSAN_H_
|
|
#define RUNTIME_PLATFORM_NO_TSAN_H_
|
|
|
|
#include <stdint.h>
|
|
|
|
#include <atomic>
|
|
|
|
#include "platform/thread_sanitizer.h"
|
|
|
|
namespace dart {
|
|
|
|
#if defined(__GNUC__)
|
|
// GCC will do what we want with no_sanitize("thread") and std::atomic, but for
|
|
// Clang will need to use disable_sanitizer_instrumentation and the atomic
|
|
// builtins.
|
|
NO_SANITIZE_THREAD DISABLE_SANITIZER_INSTRUMENTATION inline uintptr_t
|
|
FetchAndRelaxedIgnoreRace(std::atomic<uintptr_t>* ptr, uintptr_t value) {
|
|
return __atomic_fetch_and(reinterpret_cast<uintptr_t*>(ptr), value,
|
|
__ATOMIC_RELAXED);
|
|
}
|
|
NO_SANITIZE_THREAD DISABLE_SANITIZER_INSTRUMENTATION inline uintptr_t
|
|
FetchOrRelaxedIgnoreRace(std::atomic<uintptr_t>* ptr, uintptr_t value) {
|
|
return __atomic_fetch_or(reinterpret_cast<uintptr_t*>(ptr), value,
|
|
__ATOMIC_RELAXED);
|
|
}
|
|
NO_SANITIZE_THREAD DISABLE_SANITIZER_INSTRUMENTATION inline uintptr_t
|
|
LoadRelaxedIgnoreRace(const std::atomic<uintptr_t>* ptr) {
|
|
return __atomic_load_n(reinterpret_cast<const uintptr_t*>(ptr),
|
|
__ATOMIC_RELAXED);
|
|
}
|
|
#else
|
|
// MSVC doesn't support TSAN.
|
|
inline uintptr_t FetchAndRelaxedIgnoreRace(std::atomic<uintptr_t>* ptr,
|
|
uintptr_t value) {
|
|
return ptr->fetch_and(value, std::memory_order_relaxed);
|
|
}
|
|
inline uintptr_t FetchOrRelaxedIgnoreRace(std::atomic<uintptr_t>* ptr,
|
|
uintptr_t value) {
|
|
return ptr->fetch_or(value, std::memory_order_relaxed);
|
|
}
|
|
inline uintptr_t LoadRelaxedIgnoreRace(const std::atomic<uintptr_t>* ptr) {
|
|
return ptr->load(std::memory_order_relaxed);
|
|
}
|
|
#endif
|
|
|
|
} // namespace dart
|
|
|
|
#endif // RUNTIME_PLATFORM_NO_TSAN_H_
|