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Han00000000
e8389db479
Signed-off-by: Han00000000 <jianghan2@huawei.com> Change-Id: Ia058688171c00c190c74dbbc133a10ff4d5e5edc
66 lines
2.2 KiB
C++
66 lines
2.2 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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#ifndef PANDA_RUNTIME_ECMASCRIPT_MEM_MACHINE_CODE_H
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#define PANDA_RUNTIME_ECMASCRIPT_MEM_MACHINE_CODE_H
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#include "ecmascript/ecma_macros.h"
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#include "ecmascript/js_tagged_value.h"
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#include "ecmascript/mem/tagged_object.h"
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namespace panda {
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namespace ecmascript {
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class MachineCode : public TaggedObject {
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public:
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NO_COPY_SEMANTIC(MachineCode);
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NO_MOVE_SEMANTIC(MachineCode);
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static MachineCode *Cast(ObjectHeader *object)
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{
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ASSERT(JSTaggedValue(object).IsMachineCodeObject());
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return static_cast<MachineCode *>(object);
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}
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static constexpr size_t INS_SIZE_OFFSET = TaggedObjectSize();
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ACCESSORS(InstructionSizeInBytes, INS_SIZE_OFFSET, DATA_OFFSET);
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static constexpr size_t SIZE = DATA_OFFSET;
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uintptr_t GetDataOffsetAddress(void)
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{
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return reinterpret_cast<uintptr_t>(this) + DATA_OFFSET;
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}
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void SetData(const uint8_t *codeData, size_t codeLength)
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{
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if (codeData == nullptr) {
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LOG_ECMA_MEM(ERROR) << "data is null in creating new code object";
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return;
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}
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if (memcpy_s(reinterpret_cast<void *>(this->GetDataOffsetAddress()),
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this->GetInstructionSizeInBytes().GetInt(), codeData, codeLength) != EOK) {
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LOG_ECMA_MEM(ERROR) << "memcpy fail in creating new code object ";
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return;
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}
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}
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size_t GetMachineCodeObjectSize(void)
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{
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return sizeof(MachineCode) + this->GetInstructionSizeInBytes().GetInt();
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}
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};
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} // namespace ecmascript
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} // namespace panda
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#endif // PANDA_RUNTIME_ECMASCRIPT_MEM_MACHINE_CODE_H
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