blob: 29adadbc377ac0b9e81f29707833ee02df61be31 [file] [log] [blame]
/*
* Copyright (C) 2017 Yusuke Suzuki <utatane.tea@gmail.com>
* Copyright (C) 2018 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "CallLinkInfo.h"
#include "ICStatusMap.h"
#include "InstructionStream.h"
#include "Label.h"
#include "StructureStubInfo.h"
namespace JSC {
struct Instruction;
template<class Block>
class BytecodeDumper {
public:
static void dumpBytecode(Block*, PrintStream& out, const InstructionStream::Ref& it, const ICStatusMap& = ICStatusMap());
static void dumpBlock(Block*, const InstructionStream&, PrintStream& out, const ICStatusMap& = ICStatusMap());
void printLocationAndOp(InstructionStream::Offset location, const char* op);
template<typename T>
void dumpOperand(T operand, bool isFirst = false)
{
if (!isFirst)
m_out.print(", ");
dumpValue(operand);
}
void dumpValue(VirtualRegister reg) { m_out.printf("%s", registerName(reg.offset()).data()); }
void dumpValue(BoundLabel label)
{
InstructionStream::Offset targetOffset = label.target() + m_currentLocation;
m_out.print(label.target(), "(->", targetOffset, ")");
}
template<typename T>
void dumpValue(T v) { m_out.print(v); }
private:
BytecodeDumper(Block* block, PrintStream& out)
: m_block(block)
, m_out(out)
{
}
Block* block() const { return m_block; }
ALWAYS_INLINE VM* vm() const;
CString registerName(int r) const;
CString constantName(int index) const;
const Identifier& identifier(int index) const;
void dumpIdentifiers();
void dumpConstants();
void dumpExceptionHandlers();
void dumpSwitchJumpTables();
void dumpStringSwitchJumpTables();
void dumpBytecode(const InstructionStream::Ref& it, const ICStatusMap&);
Block* m_block;
PrintStream& m_out;
InstructionStream::Offset m_currentLocation { 0 };
};
}