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/*
* Copyright (C) 2012 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_ENTRYPOINTS_ENTRYPOINT_UTILS_H_
#define ART_RUNTIME_ENTRYPOINTS_ENTRYPOINT_UTILS_H_
#include <jni.h>
#include <stdint.h>
#include "base/callee_save_type.h"
#include "base/locks.h"
#include "base/macros.h"
#include "dex/dex_file_types.h"
#include "dex/dex_instruction.h"
#include "gc/allocator_type.h"
#include "handle.h"
#include "jvalue.h"
namespace art {
namespace mirror {
class Array;
class Class;
class MethodHandle;
class MethodType;
class Object;
class String;
} // namespace mirror
class ArtField;
class ArtMethod;
enum InvokeType : uint32_t;
class OatQuickMethodHeader;
class ScopedObjectAccessAlreadyRunnable;
class Thread;
// Given the context of a calling Method, use its DexCache to resolve a type to a Class. If it
// cannot be resolved, throw an error. If it can, use it to create an instance.
template <bool kInstrumented>
ALWAYS_INLINE inline ObjPtr<mirror::Object> AllocObjectFromCode(ObjPtr<mirror::Class> klass,
Thread* self,
gc::AllocatorType allocator_type)
REQUIRES_SHARED(Locks::mutator_lock_)
REQUIRES(!Roles::uninterruptible_);
// Given the context of a calling Method and a resolved class, create an instance.
template <bool kInstrumented>
ALWAYS_INLINE
inline ObjPtr<mirror::Object> AllocObjectFromCodeResolved(ObjPtr<mirror::Class> klass,
Thread* self,
gc::AllocatorType allocator_type)
REQUIRES_SHARED(Locks::mutator_lock_)
REQUIRES(!Roles::uninterruptible_);
// Given the context of a calling Method and an initialized class, create an instance.
template <bool kInstrumented>
ALWAYS_INLINE
inline ObjPtr<mirror::Object> AllocObjectFromCodeInitialized(ObjPtr<mirror::Class> klass,
Thread* self,
gc::AllocatorType allocator_type)
REQUIRES_SHARED(Locks::mutator_lock_)
REQUIRES(!Roles::uninterruptible_);
template <bool kAccessCheck>
ALWAYS_INLINE inline ObjPtr<mirror::Class> CheckArrayAlloc(dex::TypeIndex type_idx,
int32_t component_count,
ArtMethod* method,
bool* slow_path)
REQUIRES_SHARED(Locks::mutator_lock_)
REQUIRES(!Roles::uninterruptible_);
// Given the context of a calling Method, use its DexCache to resolve a type to an array Class. If
// it cannot be resolved, throw an error. If it can, use it to create an array.
// When verification/compiler hasn't been able to verify access, optionally perform an access
// check.
template <bool kAccessCheck, bool kInstrumented>
ALWAYS_INLINE inline ObjPtr<mirror::Array> AllocArrayFromCode(dex::TypeIndex type_idx,
int32_t component_count,
ArtMethod* method,
Thread* self,
gc::AllocatorType allocator_type)
REQUIRES_SHARED(Locks::mutator_lock_)
REQUIRES(!Roles::uninterruptible_);
template <bool kInstrumented>
ALWAYS_INLINE
inline ObjPtr<mirror::Array> AllocArrayFromCodeResolved(ObjPtr<mirror::Class> klass,
int32_t component_count,
Thread* self,
gc::AllocatorType allocator_type)
REQUIRES_SHARED(Locks::mutator_lock_)
REQUIRES(!Roles::uninterruptible_);
enum FindFieldFlags {
InstanceBit = 1 << 0,
StaticBit = 1 << 1,
ObjectBit = 1 << 2,
PrimitiveBit = 1 << 3,
ReadBit = 1 << 4,
WriteBit = 1 << 5,
};
// Type of find field operation for fast and slow case.
enum FindFieldType {
InstanceObjectRead = InstanceBit | ObjectBit | ReadBit,
InstanceObjectWrite = InstanceBit | ObjectBit | WriteBit,
InstancePrimitiveRead = InstanceBit | PrimitiveBit | ReadBit,
InstancePrimitiveWrite = InstanceBit | PrimitiveBit | WriteBit,
StaticObjectRead = StaticBit | ObjectBit | ReadBit,
StaticObjectWrite = StaticBit | ObjectBit | WriteBit,
StaticPrimitiveRead = StaticBit | PrimitiveBit | ReadBit,
StaticPrimitiveWrite = StaticBit | PrimitiveBit | WriteBit,
};
template<FindFieldType type, bool access_check>
inline ArtField* FindFieldFromCode(uint32_t field_idx,
ArtMethod* referrer,
Thread* self,
size_t expected_size)
REQUIRES_SHARED(Locks::mutator_lock_)
REQUIRES(!Roles::uninterruptible_);
template<InvokeType type, bool access_check>
inline ArtMethod* FindMethodFromCode(uint32_t method_idx,
ObjPtr<mirror::Object>* this_object,
ArtMethod* referrer,
Thread* self)
REQUIRES_SHARED(Locks::mutator_lock_)
REQUIRES(!Roles::uninterruptible_);
// Fast path field resolution that can't initialize classes or throw exceptions.
inline ArtField* FindFieldFast(uint32_t field_idx,
ArtMethod* referrer,
FindFieldType type,
size_t expected_size)
REQUIRES_SHARED(Locks::mutator_lock_);
// Fast path method resolution that can't throw exceptions.
template <InvokeType type, bool access_check>
inline ArtMethod* FindMethodFast(uint32_t method_idx,
ObjPtr<mirror::Object> this_object,
ArtMethod* referrer)
REQUIRES_SHARED(Locks::mutator_lock_);
inline ObjPtr<mirror::Class> ResolveVerifyAndClinit(dex::TypeIndex type_idx,
ArtMethod* referrer,
Thread* self,
bool can_run_clinit,
bool verify_access)
REQUIRES_SHARED(Locks::mutator_lock_)
REQUIRES(!Roles::uninterruptible_);
ObjPtr<mirror::MethodHandle> ResolveMethodHandleFromCode(ArtMethod* referrer,
uint32_t method_handle_idx)
REQUIRES_SHARED(Locks::mutator_lock_)
REQUIRES(!Roles::uninterruptible_);
ObjPtr<mirror::MethodType> ResolveMethodTypeFromCode(ArtMethod* referrer, dex::ProtoIndex proto_idx)
REQUIRES_SHARED(Locks::mutator_lock_)
REQUIRES(!Roles::uninterruptible_);
// TODO: annotalysis disabled as monitor semantics are maintained in Java code.
inline void UnlockJniSynchronizedMethod(jobject locked, Thread* self)
NO_THREAD_SAFETY_ANALYSIS REQUIRES(!Roles::uninterruptible_);
void CheckReferenceResult(Handle<mirror::Object> o, Thread* self)
REQUIRES_SHARED(Locks::mutator_lock_)
REQUIRES(!Roles::uninterruptible_);
JValue InvokeProxyInvocationHandler(ScopedObjectAccessAlreadyRunnable& soa,
const char* shorty,
jobject rcvr_jobj,
jobject interface_art_method_jobj,
std::vector<jvalue>& args)
REQUIRES_SHARED(Locks::mutator_lock_)
REQUIRES(!Roles::uninterruptible_);
bool FillArrayData(ObjPtr<mirror::Object> obj, const Instruction::ArrayDataPayload* payload)
REQUIRES_SHARED(Locks::mutator_lock_)
REQUIRES(!Roles::uninterruptible_);
template <typename INT_TYPE, typename FLOAT_TYPE>
inline INT_TYPE art_float_to_integral(FLOAT_TYPE f);
ArtMethod* GetCalleeSaveMethodCaller(ArtMethod** sp,
CalleeSaveType type,
bool do_caller_check = false)
REQUIRES_SHARED(Locks::mutator_lock_);
struct CallerAndOuterMethod {
ArtMethod* caller;
ArtMethod* outer_method;
};
CallerAndOuterMethod GetCalleeSaveMethodCallerAndOuterMethod(Thread* self, CalleeSaveType type)
REQUIRES_SHARED(Locks::mutator_lock_);
ArtMethod* GetCalleeSaveOuterMethod(Thread* self, CalleeSaveType type)
REQUIRES_SHARED(Locks::mutator_lock_);
} // namespace art
#endif // ART_RUNTIME_ENTRYPOINTS_ENTRYPOINT_UTILS_H_
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