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https://gitee.com/openharmony/arkcompiler_ets_runtime
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f9d3614a7c
Signed-off-by: g00416891 <guobingbing3@huawei.com> Change-Id: I2097ac272aed3f89dd52a300a1653191a3bac459
79 lines
3.1 KiB
C++
79 lines
3.1 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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// | args... | ^
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// |----------------------| |
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// | numArgs | |
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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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// | 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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EcmaRuntimeCallInfo* EcmaInterpreter::NewRuntimeCallInfo(
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JSThread *thread, JSHandle<JSTaggedValue> func, JSHandle<JSTaggedValue> thisObj, JSHandle<JSTaggedValue> newTarget,
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int32_t numArgs, bool needCheckStack)
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{
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JSTaggedType *sp = const_cast<JSTaggedType *>(thread->GetCurrentSPFrame());
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JSTaggedType *newSp = nullptr;
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JSTaggedType *prevSp = sp;
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if (thread->IsAsmInterpreter()) {
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newSp = sp - InterpretedEntryFrame::NumOfMembers();
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} else {
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if (FrameHandler::GetFrameType(sp) == FrameType::INTERPRETER_FRAME ||
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FrameHandler::GetFrameType(sp) == FrameType::INTERPRETER_FAST_NEW_FRAME) {
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newSp = sp - InterpretedFrame::NumOfMembers(); // NOLINT(cppcoreguidelines-pro-bounds-pointer-arithmetic)
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} else {
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newSp =
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sp - InterpretedEntryFrame::NumOfMembers(); // NOLINT(cppcoreguidelines-pro-bounds-pointer-arithmetic)
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}
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}
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if (needCheckStack && UNLIKELY(thread->DoStackOverflowCheck(newSp - numArgs - NUM_MANDATORY_JSFUNC_ARGS))) {
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return nullptr;
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}
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newSp -= numArgs;
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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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*(--newSp) = numArgs + NUM_MANDATORY_JSFUNC_ARGS;
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*(--newSp) = ToUintPtr(thread);
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EcmaRuntimeCallInfo *ecmaRuntimeCallInfo = reinterpret_cast<EcmaRuntimeCallInfo *>(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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thread->SetCurrentSPFrame(newSp);
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return ecmaRuntimeCallInfo;
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}
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} // namespace panda::ecmascript
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