ba66d60b1c
C++11 `alignas` is already used extensively. `alignas` must precede
`static`, so adjust the ordering accordingly.
msan.cpp: Clang 15 doesn't allow `__attribute__((visibility("default"))) alignas(16)`.
Use the order `alignas(16) SANITIZER_INTERFACE_ATTRIBUTE`. Tested with Clang 7.
Pull Request: https://github.com/llvm/llvm-project/pull/98958
36 lines
1.0 KiB
C++
36 lines
1.0 KiB
C++
//===-- msan_allocator.h ----------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file is a part of MemorySanitizer.
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//
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//===----------------------------------------------------------------------===//
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#ifndef MSAN_ALLOCATOR_H
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#define MSAN_ALLOCATOR_H
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#include "sanitizer_common/sanitizer_common.h"
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namespace __msan {
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struct MsanThreadLocalMallocStorage {
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// Allocator cache contains atomic_uint64_t which must be 8-byte aligned.
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alignas(8) uptr allocator_cache[96 * (512 * 8 + 16)]; // Opaque.
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void Init();
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void CommitBack();
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private:
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// These objects are allocated via mmap() and are zero-initialized.
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MsanThreadLocalMallocStorage() {}
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};
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void LockAllocator();
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void UnlockAllocator();
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} // namespace __msan
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#endif // MSAN_ALLOCATOR_H
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