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, 31 size_t kValgrindRedZoneBytes, 32 bool kAdjustForRedzoneInAllocSize, 33 bool kUseObjSizeForUsable> 34 class 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, size_t* bytes_tl_bulk_allocated) 38 OVERRIDE; 39 mirror::Object* Alloc(Thread* self, size_t num_bytes, size_t* bytes_allocated, 40 size_t* usable_size, size_t* bytes_tl_bulk_allocated) OVERRIDE; 41 mirror::Object* AllocThreadUnsafe(Thread* self, size_t num_bytes, size_t* bytes_allocated, 42 size_t* usable_size, size_t* bytes_tl_bulk_allocated) 43 OVERRIDE EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_); 44 45 size_t AllocationSize(mirror::Object* obj, size_t* usable_size) OVERRIDE; 46 47 size_t Free(Thread* self, mirror::Object* ptr) OVERRIDE 48 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 49 50 size_t FreeList(Thread* self, size_t num_ptrs, mirror::Object** ptrs) OVERRIDE 51 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 52 RegisterRecentFree(mirror::Object * ptr)53 void RegisterRecentFree(mirror::Object* ptr) OVERRIDE { 54 UNUSED(ptr); 55 } 56 57 size_t MaxBytesBulkAllocatedFor(size_t num_bytes) OVERRIDE; 58 59 template <typename... Params> 60 explicit ValgrindMallocSpace(MemMap* mem_map, size_t initial_size, Params... params); ~ValgrindMallocSpace()61 virtual ~ValgrindMallocSpace() {} 62 63 private: 64 DISALLOW_COPY_AND_ASSIGN(ValgrindMallocSpace); 65 }; 66 67 } // namespace space 68 } // namespace gc 69 } // namespace art 70 71 #endif // ART_RUNTIME_GC_SPACE_VALGRIND_MALLOC_SPACE_H_ 72