1 /* 2 * Copyright (C) 2018 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_WRITE_BARRIER_INL_H_ 18 #define ART_RUNTIME_WRITE_BARRIER_INL_H_ 19 20 #include "write_barrier.h" 21 22 #include "gc/accounting/card_table-inl.h" 23 #include "gc/heap.h" 24 #include "obj_ptr-inl.h" 25 #include "runtime.h" 26 27 namespace art { 28 29 template <WriteBarrier::NullCheck kNullCheck> 30 inline void WriteBarrier::ForFieldWrite(ObjPtr<mirror::Object> dst, 31 MemberOffset offset ATTRIBUTE_UNUSED, 32 ObjPtr<mirror::Object> new_value) { 33 if (kNullCheck == kWithNullCheck && new_value == nullptr) { 34 return; 35 } 36 DCHECK(new_value != nullptr); 37 GetCardTable()->MarkCard(dst.Ptr()); 38 } 39 40 inline void WriteBarrier::ForArrayWrite(ObjPtr<mirror::Object> dst, 41 int start_offset ATTRIBUTE_UNUSED, 42 size_t length ATTRIBUTE_UNUSED) { 43 GetCardTable()->MarkCard(dst.Ptr()); 44 } 45 46 inline void WriteBarrier::ForEveryFieldWrite(ObjPtr<mirror::Object> obj) { 47 GetCardTable()->MarkCard(obj.Ptr()); 48 } 49 50 inline gc::accounting::CardTable* WriteBarrier::GetCardTable() { 51 return Runtime::Current()->GetHeap()->GetCardTable(); 52 } 53 54 } // namespace art 55 56 #endif // ART_RUNTIME_WRITE_BARRIER_INL_H_ 57