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_EXECUTABLE_H_ 18 #define ART_RUNTIME_MIRROR_EXECUTABLE_H_ 19 20 #include "accessible_object.h" 21 #include "gc_root.h" 22 #include "object.h" 23 #include "read_barrier_option.h" 24 25 namespace art { 26 27 struct ExecutableOffsets; 28 class ArtMethod; 29 30 namespace mirror { 31 32 // C++ mirror of java.lang.reflect.Executable. 33 class MANAGED Executable : public AccessibleObject { 34 public: 35 // Called from Constructor::CreateFromArtMethod, Method::CreateFromArtMethod. 36 template <PointerSize kPointerSize, bool kTransactionActive> 37 bool CreateFromArtMethod(ArtMethod* method) REQUIRES_SHARED(Locks::mutator_lock_) 38 REQUIRES(!Roles::uninterruptible_); 39 40 ArtMethod* GetArtMethod() REQUIRES_SHARED(Locks::mutator_lock_); 41 // Only used by the image writer. 42 template <bool kTransactionActive = false> 43 void SetArtMethod(ArtMethod* method) REQUIRES_SHARED(Locks::mutator_lock_); 44 mirror::Class* GetDeclaringClass() REQUIRES_SHARED(Locks::mutator_lock_); 45 46 private: 47 uint16_t has_real_parameter_data_; 48 HeapReference<mirror::Class> declaring_class_; 49 HeapReference<mirror::Class> declaring_class_of_overridden_method_; 50 HeapReference<mirror::Array> parameters_; 51 uint64_t art_method_; 52 uint32_t access_flags_; 53 uint32_t dex_method_index_; 54 55 static MemberOffset ArtMethodOffset() { 56 return MemberOffset(OFFSETOF_MEMBER(Executable, art_method_)); 57 } 58 static MemberOffset DeclaringClassOffset() { 59 return MemberOffset(OFFSETOF_MEMBER(Executable, declaring_class_)); 60 } 61 static MemberOffset DeclaringClassOfOverriddenMethodOffset() { 62 return MemberOffset(OFFSETOF_MEMBER(Executable, declaring_class_of_overridden_method_)); 63 } 64 static MemberOffset AccessFlagsOffset() { 65 return MemberOffset(OFFSETOF_MEMBER(Executable, access_flags_)); 66 } 67 static MemberOffset DexMethodIndexOffset() { 68 return MemberOffset(OFFSETOF_MEMBER(Executable, dex_method_index_)); 69 } 70 71 friend struct art::ExecutableOffsets; // for verifying offset information 72 DISALLOW_IMPLICIT_CONSTRUCTORS(Executable); 73 }; 74 75 } // namespace mirror 76 } // namespace art 77 78 #endif // ART_RUNTIME_MIRROR_EXECUTABLE_H_ 79
