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author | Lorry Tar Creator <lorry-tar-importer@lorry> | 2015-10-15 09:45:50 +0000 |
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committer | Lorry Tar Creator <lorry-tar-importer@lorry> | 2015-10-15 09:45:50 +0000 |
commit | e15dd966d523731101f70ccf768bba12435a0208 (patch) | |
tree | ae9cb828a24ded2585a41af3f21411523b47897d /Source/JavaScriptCore/jit/JITDisassembler.h | |
download | WebKitGtk-tarball-e15dd966d523731101f70ccf768bba12435a0208.tar.gz |
webkitgtk-2.10.2webkitgtk-2.10.2
Diffstat (limited to 'Source/JavaScriptCore/jit/JITDisassembler.h')
-rw-r--r-- | Source/JavaScriptCore/jit/JITDisassembler.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/jit/JITDisassembler.h b/Source/JavaScriptCore/jit/JITDisassembler.h new file mode 100644 index 000000000..6655de893 --- /dev/null +++ b/Source/JavaScriptCore/jit/JITDisassembler.h @@ -0,0 +1,94 @@ +/* + * 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. + */ + +#ifndef JITDisassembler_h +#define JITDisassembler_h + +#if ENABLE(JIT) + +#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 { + unsigned index; + 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) + +#endif // JITDisassembler_h + |