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