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/*
* Copyright (C) 2011 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_REFLECTION_H_
#define ART_RUNTIME_REFLECTION_H_
#include "base/enums.h"
#include "base/locks.h"
#include "dex/primitive.h"
#include "jni.h"
#include "obj_ptr.h"
namespace art {
namespace mirror {
class Class;
class Object;
} // namespace mirror
class ArtField;
class ArtMethod;
union JValue;
class ScopedObjectAccessAlreadyRunnable;
class ShadowFrame;
ObjPtr<mirror::Object> BoxPrimitive(Primitive::Type src_class, const JValue& value)
REQUIRES_SHARED(Locks::mutator_lock_);
bool UnboxPrimitiveForField(ObjPtr<mirror::Object> o,
ObjPtr<mirror::Class> dst_class,
ArtField* f,
JValue* unboxed_value)
REQUIRES_SHARED(Locks::mutator_lock_);
bool UnboxPrimitiveForResult(ObjPtr<mirror::Object> o,
ObjPtr<mirror::Class> dst_class,
JValue* unboxed_value)
REQUIRES_SHARED(Locks::mutator_lock_);
ALWAYS_INLINE bool ConvertPrimitiveValueNoThrow(Primitive::Type src_class,
Primitive::Type dst_class,
const JValue& src,
JValue* dst)
REQUIRES_SHARED(Locks::mutator_lock_);
ALWAYS_INLINE bool ConvertPrimitiveValue(bool unbox_for_result,
Primitive::Type src_class,
Primitive::Type dst_class,
const JValue& src,
JValue* dst)
REQUIRES_SHARED(Locks::mutator_lock_);
// Invokes the given method (either an ArtMethod or a jmethodID) with direct/static semantics.
template<typename MethodType>
JValue InvokeWithVarArgs(const ScopedObjectAccessAlreadyRunnable& soa,
jobject obj,
MethodType mid,
va_list args)
REQUIRES_SHARED(Locks::mutator_lock_);
// Invokes the given method (either an ArtMethod or a jmethodID) with reflection semantics.
template<typename MethodType>
JValue InvokeWithJValues(const ScopedObjectAccessAlreadyRunnable& soa,
jobject obj,
MethodType mid,
const jvalue* args)
REQUIRES_SHARED(Locks::mutator_lock_);
// Invokes the given method (either an ArtMethod or a jmethodID) with virtual/interface semantics.
// Note this will perform lookup based on the 'obj' to determine which implementation of the given
// method should be invoked.
template<typename MethodType>
JValue InvokeVirtualOrInterfaceWithJValues(const ScopedObjectAccessAlreadyRunnable& soa,
jobject obj,
MethodType mid,
const jvalue* args)
REQUIRES_SHARED(Locks::mutator_lock_);
// Invokes the given method (either an ArtMethod or a jmethodID) with virtual/interface semantics.
// Note this will perform lookup based on the 'obj' to determine which implementation of the given
// method should be invoked.
template<typename MethodType>
JValue InvokeVirtualOrInterfaceWithVarArgs(const ScopedObjectAccessAlreadyRunnable& soa,
jobject obj,
MethodType mid,
va_list args)
REQUIRES_SHARED(Locks::mutator_lock_);
// num_frames is number of frames we look up for access check.
template<PointerSize pointer_size>
jobject InvokeMethod(const ScopedObjectAccessAlreadyRunnable& soa,
jobject method,
jobject receiver,
jobject args,
size_t num_frames = 1)
REQUIRES_SHARED(Locks::mutator_lock_);
// Special-casing of the above. Assumes that the method is the correct constructor, the class is
// initialized, and that the receiver is an instance of the class.
void InvokeConstructor(const ScopedObjectAccessAlreadyRunnable& soa,
ArtMethod* constructor,
ObjPtr<mirror::Object> receiver,
jobject args)
REQUIRES_SHARED(Locks::mutator_lock_);
ALWAYS_INLINE bool VerifyObjectIsClass(ObjPtr<mirror::Object> o, ObjPtr<mirror::Class> c)
REQUIRES_SHARED(Locks::mutator_lock_);
bool VerifyAccess(Thread* self,
ObjPtr<mirror::Object> obj,
ObjPtr<mirror::Class> declaring_class,
uint32_t access_flags,
ObjPtr<mirror::Class>* calling_class,
size_t num_frames)
REQUIRES_SHARED(Locks::mutator_lock_);
// This version takes a known calling class.
bool VerifyAccess(ObjPtr<mirror::Object> obj,
ObjPtr<mirror::Class> declaring_class,
uint32_t access_flags,
ObjPtr<mirror::Class> calling_class)
REQUIRES_SHARED(Locks::mutator_lock_);
// Get the calling class by using a stack visitor, may return null for unattached native threads.
ObjPtr<mirror::Class> GetCallingClass(Thread* self, size_t num_frames)
REQUIRES_SHARED(Locks::mutator_lock_);
void InvalidReceiverError(ObjPtr<mirror::Object> o, ObjPtr<mirror::Class> c)
REQUIRES_SHARED(Locks::mutator_lock_);
void UpdateReference(Thread* self, jobject obj, ObjPtr<mirror::Object> result)
REQUIRES_SHARED(Locks::mutator_lock_);
} // namespace art
#endif // ART_RUNTIME_REFLECTION_H_