mirror of
https://gitee.com/openharmony/arkcompiler_ets_runtime
synced 2024-11-27 12:10:47 +00:00
d8cf9a50f7
Issue: https://gitee.com/open_harmony/dashboard?issue_id=IACDZP Change-Id: I729c3a2741cb2571d6f7184b2726e5f06eca802a Signed-off-by: Andrey Efremov <efremov.andrey@huawei-partners.com>
95 lines
3.3 KiB
C++
95 lines
3.3 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.
|
|
*/
|
|
|
|
#include "ecmascript/free_object.h"
|
|
|
|
#include "ecmascript/mem/heap.h"
|
|
#include "ecmascript/mem/tagged_object-inl.h"
|
|
#include "ecmascript/global_env_constants-inl.h"
|
|
|
|
namespace panda::ecmascript {
|
|
FreeObject *FreeObject::FillFreeObject(BaseHeap *heap, uintptr_t address, size_t size)
|
|
{
|
|
ASAN_UNPOISON_MEMORY_REGION(reinterpret_cast<void *>(address), size);
|
|
auto globalConst = heap->GetGlobalConst();
|
|
FreeObject *object = nullptr;
|
|
if (size >= FreeObject::SIZE_OFFSET && size < FreeObject::SIZE) {
|
|
object = reinterpret_cast<FreeObject *>(address);
|
|
object->SetClassWithoutBarrier(
|
|
JSHClass::Cast(globalConst->GetFreeObjectWithOneFieldClass().GetTaggedObject()));
|
|
object->SetNext(INVALID_OBJECT);
|
|
} else if (size >= FreeObject::SIZE) {
|
|
object = reinterpret_cast<FreeObject *>(address);
|
|
object->SetClassWithoutBarrier(
|
|
JSHClass::Cast(globalConst->GetFreeObjectWithTwoFieldClass().GetTaggedObject()));
|
|
object->SetAvailable(size);
|
|
object->SetNext(INVALID_OBJECT);
|
|
} else if (size == FreeObject::NEXT_OFFSET) {
|
|
object = reinterpret_cast<FreeObject *>(address);
|
|
object->SetClassWithoutBarrier(
|
|
JSHClass::Cast(globalConst->GetFreeObjectWithNoneFieldClass().GetTaggedObject()));
|
|
} else {
|
|
LOG_ECMA(DEBUG) << "Fill free object size is smaller";
|
|
}
|
|
#ifdef ARK_ASAN_ON
|
|
ASAN_POISON_MEMORY_REGION(reinterpret_cast<void *>(address), size);
|
|
#endif
|
|
return object;
|
|
}
|
|
|
|
uint32_t FreeObject::Available() const
|
|
{
|
|
auto hclass = GetClass();
|
|
if (hclass->IsFreeObjectWithShortField()) {
|
|
return hclass->GetObjectSize();
|
|
}
|
|
ASSERT(GetSize().IsInt());
|
|
return GetSize().GetInt();
|
|
}
|
|
|
|
bool FreeObject::IsFreeObject() const
|
|
{
|
|
return GetClass()->IsFreeObject();
|
|
}
|
|
|
|
// Before operating any freeobject, need to mark unpoison when is_asan is true.
|
|
void FreeObject::AsanUnPoisonFreeObject() const
|
|
{
|
|
#ifdef ARK_ASAN_ON
|
|
ASAN_UNPOISON_MEMORY_REGION(this, NEXT_OFFSET);
|
|
if (GetClass()->IsFreeObjectWithOneField()) {
|
|
ASAN_UNPOISON_MEMORY_REGION(this, SIZE_OFFSET);
|
|
} else if (GetClass()->IsFreeObjectWithTwoField()) {
|
|
ASAN_UNPOISON_MEMORY_REGION(this, SIZE);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
// After operating any freeobject, need to marked poison again when is_asan is true
|
|
void FreeObject::AsanPoisonFreeObject() const
|
|
{
|
|
#ifdef ARK_ASAN_ON
|
|
if (GetClass()->IsFreeObjectWithNoneField()) {
|
|
ASAN_POISON_MEMORY_REGION(this, NEXT_OFFSET);
|
|
} else if (GetClass()->IsFreeObjectWithOneField()) {
|
|
ASAN_POISON_MEMORY_REGION(this, SIZE_OFFSET);
|
|
} else if (GetClass()->IsFreeObjectWithTwoField()) {
|
|
ASAN_POISON_MEMORY_REGION(this, SIZE);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
} // namespace panda::ecmascript
|