1 /* 2 * Copyright (c) 2021-2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef PANDA_RUNTIME_MEM_FREE_OBJECT 17 #define PANDA_RUNTIME_MEM_FREE_OBJECT 18 19 #include "runtime/include/coretypes/tagged_value.h" 20 #include "runtime/include/object_header.h" 21 #include "runtime/include/object_accessor.h" 22 #include "libpandabase/macros.h" 23 24 namespace panda::mem { 25 class FreeObject : public ObjectHeader { 26 public: GetSize()27 uint32_t GetSize() const 28 { 29 return size_.GetInt(); 30 } 31 GetNext()32 FreeObject *GetNext() const 33 { 34 return next_; 35 } 36 GetNextOffset()37 static constexpr size_t GetNextOffset() 38 { 39 return MEMBER_OFFSET(FreeObject, next_); 40 } 41 GetSizeOffset()42 static constexpr size_t GetSizeOffset() 43 { 44 return MEMBER_OFFSET(FreeObject, size_); 45 } 46 47 private: 48 FreeObject *next_; 49 coretypes::TaggedValue size_; 50 }; 51 } // namespace panda::mem 52 53 #endif // PANDA_RUNTIME_MEM_FREE_OBJECT 54