arkcompiler_ets_runtime/ecmascript/js_native_pointer.h
Gymee 46cd1ebd6c Reduce size of JSNativePointer
Issue: https://gitee.com/openharmony/arkcompiler_ets_runtime/issues/IARFBJ
Signed-off-by: Gymee <yumeijie@huawei.com>
Change-Id: Id99ce459b5b378eba162308b09438ae4f220aff8
2024-09-14 16:35:21 +08:00

57 lines
2.1 KiB
C++

/*
* Copyright (c) 2021-2024 Huawei Device Co., Ltd.
* 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 ECMASCRIPT_JSNATIVEPOINTER_H
#define ECMASCRIPT_JSNATIVEPOINTER_H
#include "ecmascript/ecma_macros.h"
#include "ecmascript/mem/barriers.h"
#include "ecmascript/mem/tagged_object.h"
#include "ecmascript/mem/visitor.h"
#include "ecmascript/mem/native_area_allocator.h"
namespace panda::ecmascript {
// Used for the requirement of ACE that wants to associated a registered C++ resource with a JSObject.
class JSNativePointer : public TaggedObject {
public:
static JSNativePointer *Cast(TaggedObject *object)
{
ASSERT(JSTaggedValue(object).IsJSNativePointer());
return reinterpret_cast<JSNativePointer *>(object);
}
void ResetExternalPointer(JSThread *thread, void *externalPointer);
void Destroy(JSThread *thread);
void Detach();
static constexpr size_t POINTER_OFFSET = TaggedObjectSize();
ACCESSORS_NATIVE_FIELD(ExternalPointer, void, POINTER_OFFSET, DELETER_OFFSET);
ACCESSORS_PRIMITIVE_FIELD(Deleter, NativePointerCallback, DELETER_OFFSET, DATA_OFFSET)
ACCESSORS_NATIVE_FIELD(Data, void, DATA_OFFSET, DATA_SIZE_OFFSET);
ACCESSORS_PRIMITIVE_FIELD(BindingSize, uint32_t, DATA_SIZE_OFFSET, FLAG_OFFSET);
// native memory statistic flag
ACCESSORS_PRIMITIVE_FIELD(NativeFlag, NativeFlag, FLAG_OFFSET, LAST_OFFSET);
DEFINE_ALIGN_SIZE(LAST_OFFSET);
DECL_VISIT_NATIVE_FIELD(POINTER_OFFSET, DATA_SIZE_OFFSET)
private:
void DeleteExternalPointer(JSThread *thread);
};
} // namespace panda::ecmascript
#endif // ECMASCRIPT_JSNATIVEPOINTER_H