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 
24 namespace art {
25 namespace gc {
26 namespace space {
27 
28 // A specialization of DlMallocSpace/RosAllocSpace that places valgrind red zones around
29 // allocations.
30 template <typename BaseMallocSpaceType, typename AllocatorType>
31 class ValgrindMallocSpace FINAL : public BaseMallocSpaceType {
32  public:
33   mirror::Object* AllocWithGrowth(Thread* self, size_t num_bytes, size_t* bytes_allocated,
34                                   size_t* usable_size) OVERRIDE;
35   mirror::Object* Alloc(Thread* self, size_t num_bytes, size_t* bytes_allocated,
36                         size_t* usable_size) OVERRIDE;
37 
38   size_t AllocationSize(mirror::Object* obj, size_t* usable_size) OVERRIDE;
39 
40   size_t Free(Thread* self, mirror::Object* ptr) OVERRIDE
41       SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
42 
43   size_t FreeList(Thread* self, size_t num_ptrs, mirror::Object** ptrs) OVERRIDE
44       SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
45 
RegisterRecentFree(mirror::Object * ptr)46   void RegisterRecentFree(mirror::Object* ptr) OVERRIDE {
47   }
48 
49   ValgrindMallocSpace(const std::string& name, MemMap* mem_map, AllocatorType allocator,
50                       byte* begin, byte* end, byte* limit, size_t growth_limit,
51                       size_t initial_size, bool can_move_objects, size_t starting_size);
~ValgrindMallocSpace()52   virtual ~ValgrindMallocSpace() {}
53 
54  private:
55   DISALLOW_COPY_AND_ASSIGN(ValgrindMallocSpace);
56 };
57 
58 }  // namespace space
59 }  // namespace gc
60 }  // namespace art
61 
62 #endif  // ART_RUNTIME_GC_SPACE_VALGRIND_MALLOC_SPACE_H_
63