darling-JavaScriptCore/dfg/DFGDisassembler.h
2017-08-12 09:48:01 -07:00

105 lines
3.3 KiB
C++

/*
* Copyright (C) 2012, 2013 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(DFG_JIT)
#include "CodeOrigin.h"
#include "DFGCommon.h"
#include "DumpContext.h"
#include "MacroAssembler.h"
#include "ProfilerCompilation.h"
#include <wtf/HashMap.h>
#include <wtf/StringPrintStream.h>
#include <wtf/Vector.h>
namespace JSC {
class LinkBuffer;
namespace DFG {
class Graph;
class Disassembler {
WTF_MAKE_FAST_ALLOCATED;
public:
Disassembler(Graph&);
void setStartOfCode(MacroAssembler::Label label) { m_startOfCode = label; }
void setForBlockIndex(BlockIndex blockIndex, MacroAssembler::Label label)
{
m_labelForBlockIndex[blockIndex] = label;
}
void setForNode(Node* node, MacroAssembler::Label label)
{
ASSERT(label.isSet());
m_labelForNode.add(node, label);
}
void setEndOfMainPath(MacroAssembler::Label label)
{
m_endOfMainPath = label;
}
void setEndOfCode(MacroAssembler::Label label)
{
m_endOfCode = label;
}
void dump(PrintStream&, LinkBuffer&);
void dump(LinkBuffer&);
void reportToProfiler(Profiler::Compilation*, LinkBuffer&);
private:
void dumpHeader(PrintStream&, LinkBuffer&);
struct DumpedOp {
DumpedOp(CodeOrigin codeOrigin, CString text)
: codeOrigin(codeOrigin)
, text(text)
{
}
CodeOrigin codeOrigin;
CString text;
};
void append(Vector<DumpedOp>&, StringPrintStream&, CodeOrigin&);
Vector<DumpedOp> createDumpList(LinkBuffer&);
void dumpDisassembly(PrintStream&, const char* prefix, LinkBuffer&, MacroAssembler::Label& previousLabel, MacroAssembler::Label currentLabel, Node* context);
Graph& m_graph;
DumpContext m_dumpContext;
MacroAssembler::Label m_startOfCode;
Vector<MacroAssembler::Label> m_labelForBlockIndex;
HashMap<Node*, MacroAssembler::Label> m_labelForNode;
MacroAssembler::Label m_endOfMainPath;
MacroAssembler::Label m_endOfCode;
};
} } // namespace JSC::DFG
#endif // ENABLE(DFG_JIT)