mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2025-04-08 09:51:46 +00:00
114 lines
3.7 KiB
C++
114 lines
3.7 KiB
C++
/*
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* Copyright (C) 2016 Apple Inc. All rights reserved.
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* Copyright (C) 2017 Yusuke Suzuki <utatane.tea@gmail.com>.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#if ENABLE(JIT)
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#include "CCallHelpers.h"
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#include "SnippetReg.h"
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#include "SnippetSlowPathCalls.h"
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namespace JSC {
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class SnippetParams {
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WTF_MAKE_NONCOPYABLE(SnippetParams);
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public:
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virtual ~SnippetParams() { }
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class Value {
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public:
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Value(SnippetReg reg)
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: m_reg(reg)
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{
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}
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Value(SnippetReg reg, JSValue value)
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: m_reg(reg)
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, m_value(value)
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{
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}
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bool isGPR() const { return m_reg.isGPR(); }
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bool isFPR() const { return m_reg.isFPR(); }
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bool isJSValueRegs() const { return m_reg.isJSValueRegs(); }
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GPRReg gpr() const { return m_reg.gpr(); }
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FPRReg fpr() const { return m_reg.fpr(); }
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JSValueRegs jsValueRegs() const { return m_reg.jsValueRegs(); }
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SnippetReg reg() const
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{
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return m_reg;
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}
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JSValue value() const
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{
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return m_value;
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}
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private:
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SnippetReg m_reg;
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JSValue m_value;
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};
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unsigned size() const { return m_regs.size(); }
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const Value& at(unsigned index) const { return m_regs[index]; }
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const Value& operator[](unsigned index) const { return at(index); }
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GPRReg gpScratch(unsigned index) const { return m_gpScratch[index]; }
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FPRReg fpScratch(unsigned index) const { return m_fpScratch[index]; }
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SnippetParams(VM& vm, Vector<Value>&& regs, Vector<GPRReg>&& gpScratch, Vector<FPRReg>&& fpScratch)
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: m_vm(vm)
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, m_regs(WTFMove(regs))
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, m_gpScratch(WTFMove(gpScratch))
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, m_fpScratch(WTFMove(fpScratch))
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{
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}
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VM& vm() { return m_vm; }
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template<typename FunctionType, typename ResultType, typename... Arguments>
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void addSlowPathCall(CCallHelpers::JumpList from, CCallHelpers& jit, FunctionType function, ResultType result, Arguments... arguments)
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{
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addSlowPathCallImpl(from, jit, function, result, std::make_tuple(arguments...));
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}
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private:
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#define JSC_DEFINE_CALL_OPERATIONS(OperationType, ResultType, ...) JS_EXPORT_PRIVATE virtual void addSlowPathCallImpl(CCallHelpers::JumpList, CCallHelpers&, OperationType, ResultType, std::tuple<__VA_ARGS__> args) = 0;
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SNIPPET_SLOW_PATH_CALLS(JSC_DEFINE_CALL_OPERATIONS)
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#undef JSC_DEFINE_CALL_OPERATIONS
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VM& m_vm;
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Vector<Value> m_regs;
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Vector<GPRReg> m_gpScratch;
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Vector<FPRReg> m_fpScratch;
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};
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}
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#endif
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