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https://gitee.com/openharmony/arkcompiler_ets_runtime
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3b881fa018
Use Stub to impl handlers of bytecodes and use tail call to impl dispatch of handlers of bytecodes Signed-off-by: zhangyukun <zhangyukun8@huawei.com> Change-Id: I7afabdc40ddfa11345aa1029059514aa4f55b9f8
68 lines
2.0 KiB
C++
68 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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#ifndef ECMASCRIPT_COMPILER_STUB_AOT_COMPILER_H
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#define ECMASCRIPT_COMPILER_STUB_AOT_COMPILER_H
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#include "ecmascript/js_thread.h"
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#include "ecmascript/stub_module.h"
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namespace panda::ecmascript::kungfu {
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class Stub;
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class StubAotCompiler {
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public:
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StubAotCompiler()
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{
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for (int i = 0; i < ALL_STUB_MAXCOUNT; i++) {
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stubs_[i] = nullptr;
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}
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}
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~StubAotCompiler()
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{
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for (int i = 0; i < ALL_STUB_MAXCOUNT; i++) {
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stubs_[i] = nullptr;
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}
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}
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void BuildStubModuleAndSave(const std::string &triple, panda::ecmascript::StubModule *module,
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const std::string &filename);
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void SetStub(int index, Stub *stub)
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{
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stubs_[index] = stub;
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}
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std::vector<int> GetStubIndices()
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{
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std::vector<int> result;
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uint32_t i;
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for (i = 0; i < FAST_STUB_MAXCOUNT; i++) {
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if (stubs_[i] != nullptr) {
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result.push_back(i);
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}
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}
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// for interpreter stub
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for (; i < ALL_STUB_MAXCOUNT; i++) {
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if (stubs_[i] != nullptr) {
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result.push_back(CallStubId::NAME_BytecodeHandler);
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}
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}
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return result;
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}
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private:
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std::array<Stub *, ALL_STUB_MAXCOUNT> stubs_;
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};
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} // namespace panda::ecmascript::kungfu
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#endif // ECMASCRIPT_COMPILER_STUB_AOT_COMPILER_H
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