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BytecodeDumper.h
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151 lines (115 loc) · 4.42 KB
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/*
* Copyright (C) 2017 Yusuke Suzuki <utatane.tea@gmail.com>
* Copyright (C) 2018-2019 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 "BytecodeGeneratorBase.h"
#include "CallLinkInfo.h"
#include "ICStatusMap.h"
#include "InstructionStream.h"
#include "StructureStubInfo.h"
namespace JSC {
class BytecodeGraph;
struct Instruction;
class BytecodeDumperBase {
public:
virtual ~BytecodeDumperBase()
{
}
void printLocationAndOp(InstructionStream::Offset location, const char* op);
template<typename T>
void dumpOperand(const char* operandName, T operand, bool isFirst = false)
{
if (!isFirst)
m_out.print(", ");
m_out.print(operandName);
m_out.print(":");
dumpValue(operand);
}
void dumpValue(VirtualRegister);
template<typename Traits>
void dumpValue(GenericBoundLabel<Traits>);
template<typename T>
void dumpValue(T v) { m_out.print(v); }
protected:
virtual CString registerName(VirtualRegister) const = 0;
virtual int outOfLineJumpOffset(InstructionStream::Offset) const = 0;
BytecodeDumperBase(PrintStream& out)
: m_out(out)
{
}
PrintStream& m_out;
InstructionStream::Offset m_currentLocation { 0 };
};
template<class Block>
class BytecodeDumper : public BytecodeDumperBase {
public:
static void dumpBytecode(Block*, PrintStream& out, const InstructionStream::Ref& it, const ICStatusMap& = ICStatusMap());
BytecodeDumper(Block* block, PrintStream& out)
: BytecodeDumperBase(out)
, m_block(block)
{
}
~BytecodeDumper() override { }
protected:
Block* block() const { return m_block; }
void dumpBytecode(const InstructionStream::Ref& it, const ICStatusMap&);
CString registerName(VirtualRegister) const override;
int outOfLineJumpOffset(InstructionStream::Offset offset) const override;
private:
virtual CString constantName(VirtualRegister) const;
Block* m_block;
};
template<class Block>
class CodeBlockBytecodeDumper final : public BytecodeDumper<Block> {
public:
static void dumpBlock(Block*, const InstructionStream&, PrintStream& out, const ICStatusMap& = ICStatusMap());
static void dumpGraph(Block*, const InstructionStream&, BytecodeGraph&, PrintStream& out = WTF::dataFile(), const ICStatusMap& = ICStatusMap());
void dumpIdentifiers();
void dumpConstants();
void dumpExceptionHandlers();
void dumpSwitchJumpTables();
void dumpStringSwitchJumpTables();
private:
using BytecodeDumper<Block>::BytecodeDumper;
ALWAYS_INLINE VM& vm() const;
const Identifier& identifier(int index) const;
};
#if ENABLE(WEBASSEMBLY)
namespace Wasm {
class FunctionCodeBlock;
struct ModuleInformation;
enum Type : int8_t;
class BytecodeDumper final : public JSC::BytecodeDumper<FunctionCodeBlock> {
public:
static void dumpBlock(FunctionCodeBlock*, const ModuleInformation&, PrintStream& out);
private:
using JSC::BytecodeDumper<FunctionCodeBlock>::BytecodeDumper;
void dumpConstants();
CString constantName(VirtualRegister index) const final;
CString formatConstant(Type, uint64_t) const;
};
} // namespace Wasm
#endif // ENABLE(WEBASSEMBLY)
}