summaryrefslogtreecommitdiff
path: root/Source/JavaScriptCore/jit/JITDisassembler.h
diff options
context:
space:
mode:
authorLorry Tar Creator <lorry-tar-importer@lorry>2015-10-15 09:45:50 +0000
committerLorry Tar Creator <lorry-tar-importer@lorry>2015-10-15 09:45:50 +0000
commite15dd966d523731101f70ccf768bba12435a0208 (patch)
treeae9cb828a24ded2585a41af3f21411523b47897d /Source/JavaScriptCore/jit/JITDisassembler.h
downloadWebKitGtk-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.h94
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
+