36 lines
1.0 KiB
C++
36 lines
1.0 KiB
C++
//===-- msan_allocator.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 a part of MemorySanitizer.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef MSAN_ALLOCATOR_H
|
|
#define MSAN_ALLOCATOR_H
|
|
|
|
#include "sanitizer_common/sanitizer_common.h"
|
|
|
|
namespace __msan {
|
|
|
|
struct MsanThreadLocalMallocStorage {
|
|
// Allocator cache contains atomic_uint64_t which must be 8-byte aligned.
|
|
ALIGNED(8) uptr allocator_cache[96 * (512 * 8 + 16)]; // Opaque.
|
|
void Init();
|
|
void CommitBack();
|
|
|
|
private:
|
|
// These objects are allocated via mmap() and are zero-initialized.
|
|
MsanThreadLocalMallocStorage() {}
|
|
};
|
|
|
|
void LockAllocator();
|
|
void UnlockAllocator();
|
|
|
|
} // namespace __msan
|
|
#endif // MSAN_ALLOCATOR_H
|