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