1 /*
2  * Copyright (C) 2017 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_CALL_SITE_H_
18 #define ART_RUNTIME_MIRROR_CALL_SITE_H_
19 
20 #include "base/macros.h"
21 #include "mirror/method_handle_impl.h"
22 #include "obj_ptr.h"
23 
24 namespace art HIDDEN {
25 
26 struct CallSiteOffsets;
27 
28 namespace mirror {
29 
30 // C++ mirror of java.lang.invoke.CallSite
31 class MANAGED CallSite : public Object {
32  public:
33   MIRROR_CLASS("Ljava/lang/invoke/CallSite;");
34 
35   ObjPtr<MethodHandle> GetTarget() REQUIRES_SHARED(Locks::mutator_lock_);
36 
37  private:
TargetOffset()38   static inline MemberOffset TargetOffset() {
39     return MemberOffset(OFFSETOF_MEMBER(CallSite, target_));
40   }
41 
42   HeapReference<mirror::MethodHandle> target_;
43 
44   friend struct art::CallSiteOffsets;  // for verifying offset information
45   DISALLOW_IMPLICIT_CONSTRUCTORS(CallSite);
46 };
47 
48 }  // namespace mirror
49 }  // namespace art
50 
51 #endif  // ART_RUNTIME_MIRROR_CALL_SITE_H_
52