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/*
* Copyright (C) 2012 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. ``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
* 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
#if ENABLE(JIT)
#include "BytecodeIndex.h"
#include "MacroAssembler.h"
#include <wtf/Vector.h>
#include <wtf/text/CString.h>
namespace JSC {
class CodeBlock;
class LinkBuffer;
namespace Profiler {
class Compilation;
}
class JITDisassembler {
WTF_MAKE_FAST_ALLOCATED;
public:
JITDisassembler(CodeBlock*);
~JITDisassembler();
void setStartOfCode(MacroAssembler::Label label) { m_startOfCode = label; }
void setForBytecodeMainPath(unsigned bytecodeIndex, MacroAssembler::Label label)
{
m_labelForBytecodeIndexInMainPath[bytecodeIndex] = label;
}
void setForBytecodeSlowPath(unsigned bytecodeIndex, MacroAssembler::Label label)
{
m_labelForBytecodeIndexInSlowPath[bytecodeIndex] = label;
}
void setEndOfSlowPath(MacroAssembler::Label label) { m_endOfSlowPath = label; }
void setEndOfCode(MacroAssembler::Label label) { m_endOfCode = label; }
void dump(LinkBuffer&);
void dump(PrintStream&, LinkBuffer&);
void reportToProfiler(Profiler::Compilation*, LinkBuffer&);
private:
void dumpHeader(PrintStream&, LinkBuffer&);
MacroAssembler::Label firstSlowLabel();
struct DumpedOp {
BytecodeIndex bytecodeIndex;
CString disassembly;
};
Vector<DumpedOp> dumpVectorForInstructions(LinkBuffer&, const char* prefix, Vector<MacroAssembler::Label>& labels, MacroAssembler::Label endLabel);
void dumpForInstructions(PrintStream&, LinkBuffer&, const char* prefix, Vector<MacroAssembler::Label>& labels, MacroAssembler::Label endLabel);
void reportInstructions(Profiler::Compilation*, LinkBuffer&, const char* prefix, Vector<MacroAssembler::Label>& labels, MacroAssembler::Label endLabel);
void dumpDisassembly(PrintStream&, LinkBuffer&, MacroAssembler::Label from, MacroAssembler::Label to);
CodeBlock* m_codeBlock;
MacroAssembler::Label m_startOfCode;
Vector<MacroAssembler::Label> m_labelForBytecodeIndexInMainPath;
Vector<MacroAssembler::Label> m_labelForBytecodeIndexInSlowPath;
MacroAssembler::Label m_endOfSlowPath;
MacroAssembler::Label m_endOfCode;
};
} // namespace JSC
#endif // ENABLE(JIT)