| 1 | //===-- dfsan_allocator.h ---------------------------------------*- C++ -*-===// |
|---|
| 2 | // |
|---|
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
|---|
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
|---|
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
|---|
| 6 | // |
|---|
| 7 | //===----------------------------------------------------------------------===// |
|---|
| 8 | // |
|---|
| 9 | // This file is a part of DataflowSanitizer. |
|---|
| 10 | // |
|---|
| 11 | //===----------------------------------------------------------------------===// |
|---|
| 12 | |
|---|
| 13 | #ifndef DFSAN_ALLOCATOR_H |
|---|
| 14 | #define DFSAN_ALLOCATOR_H |
|---|
| 15 | |
|---|
| 16 | #include "sanitizer_common/sanitizer_common.h" |
|---|
| 17 | |
|---|
| 18 | namespace __dfsan { |
|---|
| 19 | |
|---|
| 20 | struct DFsanThreadLocalMallocStorage { |
|---|
| 21 | ALIGNED(8) uptr allocator_cache[96 * (512 * 8 + 16)]; // Opaque. |
|---|
| 22 | void CommitBack(); |
|---|
| 23 | |
|---|
| 24 | private: |
|---|
| 25 | // These objects are allocated via mmap() and are zero-initialized. |
|---|
| 26 | DFsanThreadLocalMallocStorage() {} |
|---|
| 27 | }; |
|---|
| 28 | |
|---|
| 29 | } // namespace __dfsan |
|---|
| 30 | #endif // DFSAN_ALLOCATOR_H |
|---|
| 31 | |
|---|
