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https://gitee.com/openharmony/arkcompiler_ets_runtime
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f026a5a6c9
为ASAN_POISON_MEMORY_REGION在添加一层宏,以保证ARK_ASAN_ON未定义时不会编入 Issue: #I9D8CI Signed-off-by: lichenshuai <lichenshuai@huawei.com> Change-Id: I4728275dad534f66f7635f50c24c6e775c9628ce
49 lines
2.0 KiB
C++
49 lines
2.0 KiB
C++
/*
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* Copyright (c) 2021 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "ecmascript/free_object.h"
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#include "ecmascript/global_env_constants-inl.h"
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namespace panda::ecmascript {
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FreeObject *FreeObject::FillFreeObject(BaseHeap *heap, uintptr_t address, size_t size)
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{
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ASAN_UNPOISON_MEMORY_REGION(reinterpret_cast<void *>(address), size);
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auto globalConst = heap->GetGlobalConst();
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FreeObject *object = nullptr;
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if (size >= FreeObject::SIZE_OFFSET && size < FreeObject::SIZE) {
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object = reinterpret_cast<FreeObject *>(address);
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object->SetClassWithoutBarrier(
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JSHClass::Cast(globalConst->GetFreeObjectWithOneFieldClass().GetTaggedObject()));
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object->SetNext(INVALID_OBJECT);
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} else if (size >= FreeObject::SIZE) {
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object = reinterpret_cast<FreeObject *>(address);
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object->SetClassWithoutBarrier(
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JSHClass::Cast(globalConst->GetFreeObjectWithTwoFieldClass().GetTaggedObject()));
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object->SetAvailable(size);
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object->SetNext(INVALID_OBJECT);
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} else if (size == FreeObject::NEXT_OFFSET) {
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object = reinterpret_cast<FreeObject *>(address);
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object->SetClassWithoutBarrier(
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JSHClass::Cast(globalConst->GetFreeObjectWithNoneFieldClass().GetTaggedObject()));
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} else {
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LOG_ECMA(DEBUG) << "Fill free object size is smaller";
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}
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#ifdef ARK_ASAN_ON
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ASAN_POISON_MEMORY_REGION(reinterpret_cast<void *>(address), size);
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#endif
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return object;
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}
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} // namespace panda::ecmascript
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