/*
* 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 "gc/allocator_type.h"
#include "invoke_type.h"
#include "jvalue.h"
namespace art {
namespace mirror {
class Class;
class Array;
class ArtField;
class ArtMethod;
class Object;
class String;
} // namespace mirror
class ScopedObjectAccessAlreadyRunnable;
class Thread;
template <const bool kAccessCheck>
ALWAYS_INLINE static inline mirror::Class* CheckObjectAlloc(uint32_t type_idx,
mirror::ArtMethod* method,
Thread* self, bool* slow_path)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
// TODO: Fix no thread safety analysis when annotalysis is smarter.
ALWAYS_INLINE static inline mirror::Class* CheckClassInitializedForObjectAlloc(mirror::Class* klass,
Thread* self, bool* slow_path)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
// 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.
// When verification/compiler hasn't been able to verify access, optionally perform an access
// check.
template <bool kAccessCheck, bool kInstrumented>
ALWAYS_INLINE static inline mirror::Object* AllocObjectFromCode(uint32_t type_idx,
mirror::ArtMethod* method,
Thread* self,
gc::AllocatorType allocator_type)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
// Given the context of a calling Method and a resolved class, create an instance.
template <bool kInstrumented>
ALWAYS_INLINE static inline mirror::Object* AllocObjectFromCodeResolved(mirror::Class* klass,
mirror::ArtMethod* method,
Thread* self,
gc::AllocatorType allocator_type)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
// Given the context of a calling Method and an initialized class, create an instance.
template <bool kInstrumented>
ALWAYS_INLINE static inline mirror::Object* AllocObjectFromCodeInitialized(mirror::Class* klass,
mirror::ArtMethod* method,
Thread* self,
gc::AllocatorType allocator_type)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
template <bool kAccessCheck>
ALWAYS_INLINE static inline mirror::Class* CheckArrayAlloc(uint32_t type_idx,
mirror::ArtMethod* method,
int32_t component_count,
bool* slow_path)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
// 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 static inline mirror::Array* AllocArrayFromCode(uint32_t type_idx,
mirror::ArtMethod* method,
int32_t component_count,
Thread* self,
gc::AllocatorType allocator_type)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
template <bool kAccessCheck, bool kInstrumented>
ALWAYS_INLINE static inline mirror::Array* AllocArrayFromCodeResolved(mirror::Class* klass,
mirror::ArtMethod* method,
int32_t component_count,
Thread* self,
gc::AllocatorType allocator_type)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
extern mirror::Array* CheckAndAllocArrayFromCode(uint32_t type_idx, mirror::ArtMethod* method,
int32_t component_count, Thread* self,
bool access_check,
gc::AllocatorType allocator_type)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
extern mirror::Array* CheckAndAllocArrayFromCodeInstrumented(uint32_t type_idx,
mirror::ArtMethod* method,
int32_t component_count, Thread* self,
bool access_check,
gc::AllocatorType allocator_type)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
// 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>
static inline mirror::ArtField* FindFieldFromCode(uint32_t field_idx, mirror::ArtMethod* referrer,
Thread* self, size_t expected_size)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
template<InvokeType type, bool access_check>
static inline mirror::ArtMethod* FindMethodFromCode(uint32_t method_idx,
mirror::Object** this_object,
mirror::ArtMethod** referrer, Thread* self)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
// Fast path field resolution that can't initialize classes or throw exceptions.
static inline mirror::ArtField* FindFieldFast(uint32_t field_idx,
mirror::ArtMethod* referrer,
FindFieldType type, size_t expected_size)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
// Fast path method resolution that can't throw exceptions.
static inline mirror::ArtMethod* FindMethodFast(uint32_t method_idx,
mirror::Object* this_object,
mirror::ArtMethod* referrer,
bool access_check, InvokeType type)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
static inline mirror::Class* ResolveVerifyAndClinit(uint32_t type_idx,
mirror::ArtMethod* referrer,
Thread* self, bool can_run_clinit,
bool verify_access)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
extern void ThrowStackOverflowError(Thread* self) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
static inline mirror::String* ResolveStringFromCode(mirror::ArtMethod* referrer,
uint32_t string_idx)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
// TODO: annotalysis disabled as monitor semantics are maintained in Java code.
static inline void UnlockJniSynchronizedMethod(jobject locked, Thread* self)
NO_THREAD_SAFETY_ANALYSIS;
void CheckReferenceResult(mirror::Object* o, Thread* self)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
static inline void CheckSuspend(Thread* thread) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
JValue InvokeProxyInvocationHandler(ScopedObjectAccessAlreadyRunnable& soa, const char* shorty,
jobject rcvr_jobj, jobject interface_art_method_jobj,
std::vector<jvalue>& args)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
// Entry point for deoptimization.
extern "C" void art_quick_deoptimize();
static inline uintptr_t GetQuickDeoptimizationEntryPoint() {
return reinterpret_cast<uintptr_t>(art_quick_deoptimize);
}
// Return address of instrumentation stub.
extern "C" void art_quick_instrumentation_entry(void*);
static inline void* GetQuickInstrumentationEntryPoint() {
return reinterpret_cast<void*>(art_quick_instrumentation_entry);
}
// The return_pc of instrumentation exit stub.
extern "C" void art_quick_instrumentation_exit();
static inline uintptr_t GetQuickInstrumentationExitPc() {
return reinterpret_cast<uintptr_t>(art_quick_instrumentation_exit);
}
#if defined(ART_USE_PORTABLE_COMPILER)
extern "C" void art_portable_to_interpreter_bridge(mirror::ArtMethod*);
static inline const void* GetPortableToInterpreterBridge() {
return reinterpret_cast<void*>(art_portable_to_interpreter_bridge);
}
static inline const void* GetPortableToQuickBridge() {
// TODO: portable to quick bridge. Bug: 8196384
return GetPortableToInterpreterBridge();
}
#endif
extern "C" void art_quick_to_interpreter_bridge(mirror::ArtMethod*);
static inline const void* GetQuickToInterpreterBridge() {
return reinterpret_cast<void*>(art_quick_to_interpreter_bridge);
}
#if defined(ART_USE_PORTABLE_COMPILER)
static inline const void* GetQuickToPortableBridge() {
// TODO: quick to portable bridge. Bug: 8196384
return GetQuickToInterpreterBridge();
}
extern "C" void art_portable_proxy_invoke_handler();
static inline const void* GetPortableProxyInvokeHandler() {
return reinterpret_cast<void*>(art_portable_proxy_invoke_handler);
}
#endif
extern "C" void art_quick_proxy_invoke_handler();
static inline const void* GetQuickProxyInvokeHandler() {
return reinterpret_cast<void*>(art_quick_proxy_invoke_handler);
}
extern "C" void* art_jni_dlsym_lookup_stub(JNIEnv*, jobject);
static inline void* GetJniDlsymLookupStub() {
return reinterpret_cast<void*>(art_jni_dlsym_lookup_stub);
}
template <typename INT_TYPE, typename FLOAT_TYPE>
static inline INT_TYPE art_float_to_integral(FLOAT_TYPE f);
} // namespace art
#endif // ART_RUNTIME_ENTRYPOINTS_ENTRYPOINT_UTILS_H_