1 /* 2 * Copyright (C) 2015 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_ABSTRACT_METHOD_H_ 18 #define ART_RUNTIME_MIRROR_ABSTRACT_METHOD_H_ 19 20 #include "accessible_object.h" 21 #include "gc_root.h" 22 #include "object.h" 23 #include "object_callbacks.h" 24 #include "read_barrier_option.h" 25 26 namespace art { 27 28 struct AbstractMethodOffsets; 29 class ArtMethod; 30 31 namespace mirror { 32 33 // C++ mirror of java.lang.reflect.AbstractMethod. 34 class MANAGED AbstractMethod : public AccessibleObject { 35 public: 36 // Called from Constructor::CreateFromArtMethod, Method::CreateFromArtMethod. 37 bool CreateFromArtMethod(ArtMethod* method) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 38 39 ArtMethod* GetArtMethod() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 40 // Only used by the image writer. 41 void SetArtMethod(ArtMethod* method) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 42 mirror::Class* GetDeclaringClass() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 43 44 private: ArtMethodOffset()45 static MemberOffset ArtMethodOffset() { 46 return MemberOffset(OFFSETOF_MEMBER(AbstractMethod, art_method_)); 47 } DeclaringClassOffset()48 static MemberOffset DeclaringClassOffset() { 49 return MemberOffset(OFFSETOF_MEMBER(AbstractMethod, declaring_class_)); 50 } DeclaringClassOfOverriddenMethodOffset()51 static MemberOffset DeclaringClassOfOverriddenMethodOffset() { 52 return MemberOffset(OFFSETOF_MEMBER(AbstractMethod, declaring_class_of_overridden_method_)); 53 } AccessFlagsOffset()54 static MemberOffset AccessFlagsOffset() { 55 return MemberOffset(OFFSETOF_MEMBER(AbstractMethod, access_flags_)); 56 } DexMethodIndexOffset()57 static MemberOffset DexMethodIndexOffset() { 58 return MemberOffset(OFFSETOF_MEMBER(AbstractMethod, dex_method_index_)); 59 } 60 61 HeapReference<mirror::Class> declaring_class_; 62 HeapReference<mirror::Class> declaring_class_of_overridden_method_; 63 uint32_t padding_; 64 uint64_t art_method_; 65 uint32_t access_flags_; 66 uint32_t dex_method_index_; 67 68 friend struct art::AbstractMethodOffsets; // for verifying offset information 69 DISALLOW_IMPLICIT_CONSTRUCTORS(AbstractMethod); 70 }; 71 72 } // namespace mirror 73 } // namespace art 74 75 #endif // ART_RUNTIME_MIRROR_ABSTRACT_METHOD_H_ 76