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      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 
     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);
     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