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_READ_BARRIER_INL_H_ 18 #define ART_RUNTIME_READ_BARRIER_INL_H_ 19 20 #include "read_barrier.h" 21 22 #include "mirror/object_reference.h" 23 24 namespace art { 25 26 template <typename MirrorType, ReadBarrierOption kReadBarrierOption> 27 inline MirrorType* ReadBarrier::Barrier( 28 mirror::Object* obj, MemberOffset offset, mirror::HeapReference<MirrorType>* ref_addr) { 29 // Unused for now. 30 UNUSED(obj); 31 UNUSED(offset); 32 UNUSED(ref_addr); 33 const bool with_read_barrier = kReadBarrierOption == kWithReadBarrier; 34 if (with_read_barrier && kUseBakerReadBarrier) { 35 // To be implemented. 36 return ref_addr->AsMirrorPtr(); 37 } else if (with_read_barrier && kUseBrooksReadBarrier) { 38 // To be implemented. 39 return ref_addr->AsMirrorPtr(); 40 } else { 41 // No read barrier. 42 return ref_addr->AsMirrorPtr(); 43 } 44 } 45 46 template <typename MirrorType, ReadBarrierOption kReadBarrierOption> 47 inline MirrorType* ReadBarrier::BarrierForRoot(MirrorType** root) { 48 MirrorType* ref = *root; 49 const bool with_read_barrier = kReadBarrierOption == kWithReadBarrier; 50 if (with_read_barrier && kUseBakerReadBarrier) { 51 // To be implemented. 52 return ref; 53 } else if (with_read_barrier && kUseBrooksReadBarrier) { 54 // To be implemented. 55 return ref; 56 } else { 57 return ref; 58 } 59 } 60 61 } // namespace art 62 63 #endif // ART_RUNTIME_READ_BARRIER_INL_H_ 64
