valgrind_malloc_space.h revision 24a5a3003aa7dbc29db698ac86bfa18ef64b2593 
1/*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef ART_RUNTIME_GC_SPACE_VALGRIND_MALLOC_SPACE_H_
18#define ART_RUNTIME_GC_SPACE_VALGRIND_MALLOC_SPACE_H_
19
20#include "malloc_space.h"
21
22#include <valgrind.h>
23
24namespace art {
25namespace gc {
26namespace space {
27
28// A specialization of DlMallocSpace/RosAllocSpace that places valgrind red zones around
29// allocations.
30template <typename BaseMallocSpaceType,
31          size_t kValgrindRedZoneBytes,
32          bool kAdjustForRedzoneInAllocSize,
33          bool kUseObjSizeForUsable>
34class ValgrindMallocSpace FINAL : public BaseMallocSpaceType {
35 public:
36  mirror::Object* AllocWithGrowth(Thread* self, size_t num_bytes, size_t* bytes_allocated,
37                                  size_t* usable_size) OVERRIDE;
38  mirror::Object* Alloc(Thread* self, size_t num_bytes, size_t* bytes_allocated,
39                        size_t* usable_size) OVERRIDE;
40  mirror::Object* AllocThreadUnsafe(Thread* self, size_t num_bytes, size_t* bytes_allocated,
41                                    size_t* usable_size) OVERRIDE
42      EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_);
43
44  size_t AllocationSize(mirror::Object* obj, size_t* usable_size) OVERRIDE;
45
46  size_t Free(Thread* self, mirror::Object* ptr) OVERRIDE
47      SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
48
49  size_t FreeList(Thread* self, size_t num_ptrs, mirror::Object** ptrs) OVERRIDE
50      SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
51
52  void RegisterRecentFree(mirror::Object* ptr) OVERRIDE {
53    UNUSED(ptr);
54  }
55
56  template <typename... Params>
57  explicit ValgrindMallocSpace(MemMap* mem_map, size_t initial_size, Params... params);
58  virtual ~ValgrindMallocSpace() {}
59
60 private:
61  DISALLOW_COPY_AND_ASSIGN(ValgrindMallocSpace);
62};
63
64}  // namespace space
65}  // namespace gc
66}  // namespace art
67
68#endif  // ART_RUNTIME_GC_SPACE_VALGRIND_MALLOC_SPACE_H_
69