Imported WebKit commit c4b613825abd39ac739a47d7b4410468fcef66dc (http://svn.webkit.org/repository/webkit/trunk@121147)

New snapshot that includes Win32 debug build fix (use SVGAllInOne)

1 files changed, 82 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/dfg/DFGDisassembler.h b/Source/JavaScriptCore/dfg/DFGDisassembler.h
new file mode 100644
index 000000000..470a989ef
--- /dev/null
+++ b/Source/JavaScriptCore/dfg/DFGDisassembler.h
@@ -0,0 +1,82 @@
+/*
+ * 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 DFGDisassembler_h
+#define DFGDisassembler_h
+
+#include <wtf/Platform.h>
+
+#if ENABLE(DFG_JIT)
+
+#include "DFGCommon.h"
+#include "LinkBuffer.h"
+#include "MacroAssembler.h"
+#include <wtf/Vector.h>
+
+namespace JSC { namespace DFG {
+
+class Graph;
+
+class Disassembler {
+    WTF_MAKE_FAST_ALLOCATED;
+public:
+    Disassembler(Graph&);
+    
+    void setStartOfCode(MacroAssembler::Label label) { m_startOfCode = label; }
+    void setForBlock(BlockIndex blockIndex, MacroAssembler::Label label)
+    {
+        m_labelForBlockIndex[blockIndex] = label;
+    }
+    void setForNode(NodeIndex nodeIndex, MacroAssembler::Label label)
+    {
+        m_labelForNodeIndex[nodeIndex] = label;
+    }
+    void setEndOfMainPath(MacroAssembler::Label label)
+    {
+        m_endOfMainPath = label;
+    }
+    void setEndOfCode(MacroAssembler::Label label)
+    {
+        m_endOfCode = label;
+    }
+    
+    void dump(LinkBuffer&);
+    
+private:
+    void dumpDisassembly(const char* prefix, LinkBuffer&, MacroAssembler::Label& previousLabel, MacroAssembler::Label currentLabel, NodeIndex context);
+    
+    Graph& m_graph;
+    MacroAssembler::Label m_startOfCode;
+    Vector<MacroAssembler::Label> m_labelForBlockIndex;
+    Vector<MacroAssembler::Label> m_labelForNodeIndex;
+    MacroAssembler::Label m_endOfMainPath;
+    MacroAssembler::Label m_endOfCode;
+};
+
+} } // namespace JSC::DFG
+
+#endif // ENABLE(DFG_JIT)
+
+#endif // DFGDisassembler_h