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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/macros.h"
#include "base/mutex.h"
#include "dex_instruction.h"
#include "dex_file_types.h"
#include "gc/allocator_type.h"
#include "handle.h"
#include "invoke_type.h"
#include "jvalue.h"
#include "runtime.h"
namespace art {
namespace mirror {
class Array;
class Class;
class Object;
class String;
} // namespace mirror
class ArtField;
class ArtMethod;
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 mirror::Object* AllocObjectFromCode(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 mirror::Object* AllocObjectFromCodeResolved(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 mirror::Object* AllocObjectFromCodeInitialized(
mirror::Class* klass,
Thread* self,
gc::AllocatorType allocator_type)
REQUIRES_SHARED(Locks::mutator_lock_)
REQUIRES(!Roles::uninterruptible_);
template <bool kAccessCheck>
ALWAYS_INLINE inline 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 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 mirror::Array* AllocArrayFromCodeResolved(mirror::Class* klass,
int32_t component_count,
Thread* self,
gc::AllocatorType allocator_type)
REQUIRES_SHARED(Locks::mutator_lock_)
REQUIRES(!Roles::uninterruptible_);
// Type of find field operation for fast and slow case.
enum FindFieldType {
InstanceObjectRead,
InstanceObjectWrite,
InstancePrimitiveRead,
InstancePrimitiveWrite,
StaticObjectRead,
StaticObjectWrite,
StaticPrimitiveRead,
StaticPrimitiveWrite,
};
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.
inline ArtMethod* FindMethodFast(uint32_t method_idx,
ObjPtr<mirror::Object> this_object,
ArtMethod* referrer,
bool access_check,
InvokeType type)
REQUIRES_SHARED(Locks::mutator_lock_);
inline 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_);
inline mirror::String* ResolveStringFromCode(ArtMethod* referrer, dex::StringIndex string_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,
Runtime::CalleeSaveType type,
bool do_caller_check = false)
REQUIRES_SHARED(Locks::mutator_lock_);
struct CallerAndOuterMethod {
ArtMethod* caller;
ArtMethod* outer_method;
};
CallerAndOuterMethod GetCalleeSaveMethodCallerAndOuterMethod(Thread* self,
Runtime::CalleeSaveType type)
REQUIRES_SHARED(Locks::mutator_lock_);
ArtMethod* GetCalleeSaveOuterMethod(Thread* self, Runtime::CalleeSaveType type)
REQUIRES_SHARED(Locks::mutator_lock_);
} // namespace art
#endif // ART_RUNTIME_ENTRYPOINTS_ENTRYPOINT_UTILS_H_