mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
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94 lines
3.1 KiB
C++
94 lines
3.1 KiB
C++
/*
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* Copyright (C) 2017 Yusuke Suzuki <utatane.tea@gmail.com>
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* Copyright (C) 2018 Apple Inc. All rights reserved.
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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. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "CallLinkInfo.h"
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#include "ICStatusMap.h"
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#include "InstructionStream.h"
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#include "Label.h"
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#include "StructureStubInfo.h"
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namespace JSC {
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struct Instruction;
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template<class Block>
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class BytecodeDumper {
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public:
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static void dumpBytecode(Block*, PrintStream& out, const InstructionStream::Ref& it, const ICStatusMap& = ICStatusMap());
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static void dumpBlock(Block*, const InstructionStream&, PrintStream& out, const ICStatusMap& = ICStatusMap());
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void printLocationAndOp(InstructionStream::Offset location, const char* op);
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template<typename T>
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void dumpOperand(T operand, bool isFirst = false)
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{
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if (!isFirst)
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m_out.print(", ");
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dumpValue(operand);
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}
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void dumpValue(VirtualRegister reg) { m_out.printf("%s", registerName(reg.offset()).data()); }
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void dumpValue(BoundLabel label)
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{
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InstructionStream::Offset targetOffset = label.target() + m_currentLocation;
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m_out.print(label.target(), "(->", targetOffset, ")");
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}
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template<typename T>
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void dumpValue(T v) { m_out.print(v); }
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private:
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BytecodeDumper(Block* block, PrintStream& out)
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: m_block(block)
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, m_out(out)
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{
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}
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Block* block() const { return m_block; }
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ALWAYS_INLINE VM* vm() const;
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CString registerName(int r) const;
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CString constantName(int index) const;
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const Identifier& identifier(int index) const;
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void dumpIdentifiers();
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void dumpConstants();
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void dumpExceptionHandlers();
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void dumpSwitchJumpTables();
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void dumpStringSwitchJumpTables();
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void dumpBytecode(const InstructionStream::Ref& it, const ICStatusMap&);
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Block* m_block;
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PrintStream& m_out;
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InstructionStream::Offset m_currentLocation { 0 };
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};
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}
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