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https://github.com/openharmony/ark_js_runtime.git
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lichenshuai
a724508c73
Rsp is used in future work, therefore .S file should be deleted. Issue: #I5AGW3 Signed-off-by: lichenshuai <lichenshuai@huawei.com> Change-Id: Ib1fb140d40d259bc4519fbf547857e5f80e9ee0c
73 lines
3.0 KiB
C++
73 lines
3.0 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/interpreter/interpreter.h"
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#include "ecmascript/frames.h"
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#include "ecmascript/interpreter/frame_handler.h"
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namespace panda::ecmascript {
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// make EcmaRuntimeCallInfo in stack pointer as fallows:
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// +----------------------+ —
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// | base.type | ^
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// |----------------------| |
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// | base.prev | InterpretedEntryFrame
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// |----------------------| |
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// | pc | v
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// |----------------------| —
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// | numArgs | ^
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// |----------------------| |
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// | args... | |
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// |----------------------| |
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// | this | |
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// |----------------------| EcmaRuntimeCallInfo
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// | newTarget | |
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// |----------------------| |
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// | func | v
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// +----------------------+ —
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EcmaRuntimeCallInfo EcmaInterpreter::NewRuntimeCallInfo(
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JSThread *thread, JSHandle<JSTaggedValue> func, JSHandle<JSTaggedValue> thisObj, JSHandle<JSTaggedValue> newTarget,
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size_t numArgs)
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{
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JSTaggedType *sp = const_cast<JSTaggedType *>(thread->GetCurrentSPFrame());
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JSTaggedType *newSp;
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JSTaggedType *prevSp = sp;
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if (thread->IsAsmInterpreter()) {
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newSp = FrameHandler::GetInterpretedEntryFrameStart(sp);
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} else {
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newSp = sp - InterpretedFrame::NumOfMembers(); // NOLINT(cppcoreguidelines-pro-bounds-pointer-arithmetic)
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}
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if (UNLIKELY(thread->DoStackOverflowCheck(newSp - numArgs - RESERVED_CALL_ARGCOUNT))) {
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EcmaRuntimeCallInfo ecmaRuntimeCallInfo(thread, INVALID_ARGS_NUMBER, nullptr);
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return ecmaRuntimeCallInfo;
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}
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thread->SetCurrentSPFrame(newSp);
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// create entry frame.
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InterpretedEntryFrame *entryState = InterpretedEntryFrame::GetFrameFromSp(newSp);
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entryState->base.type = FrameType::INTERPRETER_ENTRY_FRAME;
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entryState->base.prev = prevSp;
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entryState->pc = nullptr;
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newSp -= INTERPRETER_ENTRY_FRAME_STATE_SIZE; // NOLINT(cppcoreguidelines-pro-bounds-pointer-arithmetic)
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*(--newSp) = JSTaggedValue(static_cast<int32_t>(numArgs)).GetRawData();
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newSp -= numArgs; // NOLINT(cppcoreguidelines-pro-bounds-pointer-arithmetic)
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*(--newSp) = thisObj.GetTaggedType();
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*(--newSp) = newTarget.GetTaggedType();
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*(--newSp) = func.GetTaggedType();
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EcmaRuntimeCallInfo ecmaRuntimeCallInfo(thread, numArgs, newSp);
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return ecmaRuntimeCallInfo;
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}
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} // namespace panda::ecmascript
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