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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_QUICK_QUICK_ENTRYPOINTS_H_
#define ART_RUNTIME_ENTRYPOINTS_QUICK_QUICK_ENTRYPOINTS_H_
#include <jni.h>
#include "base/macros.h"
#include "base/mutex.h"
#include "deoptimization_kind.h"
#include "offsets.h"
#define QUICK_ENTRYPOINT_OFFSET(ptr_size, x) \
Thread::QuickEntryPointOffset<ptr_size>(OFFSETOF_MEMBER(QuickEntryPoints, x))
namespace art {
namespace mirror {
class Array;
class Class;
template<class MirrorType> class CompressedReference;
class Object;
} // namespace mirror
class ArtMethod;
template<class MirrorType> class GcRoot;
class Thread;
// Pointers to functions that are called by quick compiler generated code via thread-local storage.
struct PACKED(4) QuickEntryPoints {
#define ENTRYPOINT_ENUM(name, rettype, ...) rettype ( * p ## name )( __VA_ARGS__ );
#include "quick_entrypoints_list.h"
QUICK_ENTRYPOINT_LIST(ENTRYPOINT_ENUM)
#undef QUICK_ENTRYPOINT_LIST
#undef ENTRYPOINT_ENUM
};
// JNI entrypoints.
// TODO: NO_THREAD_SAFETY_ANALYSIS due to different control paths depending on fast JNI.
extern uint32_t JniMethodStart(Thread* self) NO_THREAD_SAFETY_ANALYSIS HOT_ATTR;
extern uint32_t JniMethodFastStart(Thread* self) NO_THREAD_SAFETY_ANALYSIS HOT_ATTR;
extern uint32_t JniMethodStartSynchronized(jobject to_lock, Thread* self)
NO_THREAD_SAFETY_ANALYSIS HOT_ATTR;
extern void JniMethodEnd(uint32_t saved_local_ref_cookie, Thread* self)
NO_THREAD_SAFETY_ANALYSIS HOT_ATTR;
extern void JniMethodFastEnd(uint32_t saved_local_ref_cookie, Thread* self)
NO_THREAD_SAFETY_ANALYSIS HOT_ATTR;
extern void JniMethodEndSynchronized(uint32_t saved_local_ref_cookie, jobject locked,
Thread* self)
NO_THREAD_SAFETY_ANALYSIS HOT_ATTR;
extern mirror::Object* JniMethodEndWithReference(jobject result, uint32_t saved_local_ref_cookie,
Thread* self)
NO_THREAD_SAFETY_ANALYSIS HOT_ATTR;
extern mirror::Object* JniMethodFastEndWithReference(jobject result,
uint32_t saved_local_ref_cookie,
Thread* self)
NO_THREAD_SAFETY_ANALYSIS HOT_ATTR;
extern mirror::Object* JniMethodEndWithReferenceSynchronized(jobject result,
uint32_t saved_local_ref_cookie,
jobject locked, Thread* self)
NO_THREAD_SAFETY_ANALYSIS HOT_ATTR;
extern void ReadBarrierJni(mirror::CompressedReference<mirror::Object>* handle_on_stack,
Thread* self)
NO_THREAD_SAFETY_ANALYSIS HOT_ATTR;
// Read barrier entrypoints.
//
// Compilers for ARM, ARM64, MIPS, MIPS64 can insert a call to these
// functions directly. For x86 and x86-64, compilers need a wrapper
// assembly function, to handle mismatch in ABI.
// Mark the heap reference `obj`. This entry point is used by read
// barrier fast path implementations generated by the compiler to mark
// an object that is referenced by a field of a gray object.
extern "C" mirror::Object* artReadBarrierMark(mirror::Object* obj)
REQUIRES_SHARED(Locks::mutator_lock_) HOT_ATTR;
// Read barrier entrypoint for heap references.
// This is the read barrier slow path for instance and static fields
// and reference type arrays.
extern "C" mirror::Object* artReadBarrierSlow(mirror::Object* ref,
mirror::Object* obj,
uint32_t offset)
REQUIRES_SHARED(Locks::mutator_lock_) HOT_ATTR;
// Read barrier entrypoint for GC roots.
extern "C" mirror::Object* artReadBarrierForRootSlow(GcRoot<mirror::Object>* root)
REQUIRES_SHARED(Locks::mutator_lock_) HOT_ATTR;
} // namespace art
#endif // ART_RUNTIME_ENTRYPOINTS_QUICK_QUICK_ENTRYPOINTS_H_