112 lines
3.8 KiB
C++
112 lines
3.8 KiB
C++
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ART_RUNTIME_MIRROR_EXECUTABLE_H_
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#define ART_RUNTIME_MIRROR_EXECUTABLE_H_
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#include "accessible_object.h"
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#include "object.h"
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#include "read_barrier_option.h"
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namespace art {
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struct ExecutableOffsets;
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class ArtMethod;
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class ReflectiveValueVisitor;
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namespace mirror {
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// C++ mirror of java.lang.reflect.Executable.
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class MANAGED Executable : public AccessibleObject {
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public:
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MIRROR_CLASS("Ljava/lang/reflect/Executable;");
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template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags>
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ArtMethod* GetArtMethod() REQUIRES_SHARED(Locks::mutator_lock_) {
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return reinterpret_cast64<ArtMethod*>(GetField64<kVerifyFlags>(ArtMethodOffset()));
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}
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template <VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags>
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inline void VisitTarget(ReflectiveValueVisitor* v) REQUIRES(Locks::mutator_lock_);
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template <bool kTransactionActive = false,
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bool kCheckTransaction = true,
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VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags>
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void SetArtMethod(ArtMethod* method) REQUIRES_SHARED(Locks::mutator_lock_);
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ObjPtr<mirror::Class> GetDeclaringClass() REQUIRES_SHARED(Locks::mutator_lock_);
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static MemberOffset ArtMethodOffset() {
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return MemberOffset(OFFSETOF_MEMBER(Executable, art_method_));
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}
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protected:
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// Called from Constructor::CreateFromArtMethod, Method::CreateFromArtMethod.
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template <PointerSize kPointerSize>
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void InitializeFromArtMethod(ArtMethod* method) REQUIRES_SHARED(Locks::mutator_lock_)
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REQUIRES(!Roles::uninterruptible_);
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private:
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uint8_t has_real_parameter_data_;
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// Padding required for matching alignment with the Java peer.
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uint8_t padding_[2] ATTRIBUTE_UNUSED;
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HeapReference<mirror::Class> declaring_class_;
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HeapReference<mirror::Class> declaring_class_of_overridden_method_;
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HeapReference<mirror::Array> parameters_;
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uint64_t art_method_;
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uint32_t access_flags_;
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uint32_t dex_method_index_;
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template<bool kTransactionActive = false>
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void SetDeclaringClass(ObjPtr<mirror::Class> klass) REQUIRES_SHARED(Locks::mutator_lock_) {
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SetFieldObject<kTransactionActive>(DeclaringClassOffset(), klass);
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}
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template<bool kTransactionActive = false>
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void SetAccessFlags(uint32_t flags) REQUIRES_SHARED(Locks::mutator_lock_) {
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SetField32<kTransactionActive>(AccessFlagsOffset(), flags);
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}
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template<bool kTransactionActive = false>
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void SetDexMethodIndex(uint32_t idx) REQUIRES_SHARED(Locks::mutator_lock_) {
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SetField32<kTransactionActive>(DexMethodIndexOffset(), idx);
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}
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static MemberOffset DeclaringClassOffset() {
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return MemberOffset(OFFSETOF_MEMBER(Executable, declaring_class_));
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}
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static MemberOffset DeclaringClassOfOverriddenMethodOffset() {
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return MemberOffset(OFFSETOF_MEMBER(Executable, declaring_class_of_overridden_method_));
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}
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static MemberOffset AccessFlagsOffset() {
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return MemberOffset(OFFSETOF_MEMBER(Executable, access_flags_));
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}
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static MemberOffset DexMethodIndexOffset() {
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return MemberOffset(OFFSETOF_MEMBER(Executable, dex_method_index_));
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}
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friend struct art::ExecutableOffsets; // for verifying offset information
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DISALLOW_IMPLICIT_CONSTRUCTORS(Executable);
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};
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} // namespace mirror
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} // namespace art
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#endif // ART_RUNTIME_MIRROR_EXECUTABLE_H_
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