1 /*
2  * Copyright (C) 2016 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_MIRROR_OBJECT_REFERENCE_INL_H_
18 #define ART_RUNTIME_MIRROR_OBJECT_REFERENCE_INL_H_
19 
20 #include "object_reference.h"
21 
22 #include "obj_ptr-inl.h"
23 
24 namespace art {
25 namespace mirror {
26 
27 template<bool kPoisonReferences, class MirrorType>
Assign(ObjPtr<MirrorType> ptr)28 void ObjectReference<kPoisonReferences, MirrorType>::Assign(ObjPtr<MirrorType> ptr) {
29   Assign(ptr.Ptr());
30 }
31 
32 template<class MirrorType>
FromObjPtr(ObjPtr<MirrorType> ptr)33 HeapReference<MirrorType> HeapReference<MirrorType>::FromObjPtr(ObjPtr<MirrorType> ptr) {
34   return HeapReference<MirrorType>(ptr.Ptr());
35 }
36 
37 template<class MirrorType>
CasWeakRelaxed(MirrorType * expected_ptr,MirrorType * new_ptr)38 bool HeapReference<MirrorType>::CasWeakRelaxed(MirrorType* expected_ptr, MirrorType* new_ptr) {
39   HeapReference<Object> expected_ref(HeapReference<Object>::FromMirrorPtr(expected_ptr));
40   HeapReference<Object> new_ref(HeapReference<Object>::FromMirrorPtr(new_ptr));
41   Atomic<uint32_t>* atomic_reference = reinterpret_cast<Atomic<uint32_t>*>(&this->reference_);
42   return atomic_reference->CompareExchangeWeakRelaxed(expected_ref.reference_,
43                                                       new_ref.reference_);
44 }
45 
46 }  // namespace mirror
47 }  // namespace art
48 
49 #endif  // ART_RUNTIME_MIRROR_OBJECT_REFERENCE_INL_H_
50