aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/libs/clang14-rt/lib/msan/msan_allocator.h
blob: 365af4d0c4dd0dfb1c309709b88cf7a3709a1a5b (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
//===-- 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 CommitBack();

 private:
  // These objects are allocated via mmap() and are zero-initialized.
  MsanThreadLocalMallocStorage() {}
};

} // namespace __msan
#endif // MSAN_ALLOCATOR_H