Imported WebKit commit 953baa67aa07087b6ecd4199351ec554c724e27d (http://svn.webkit.org/repository/webkit/trunk@122676)

1 files changed, 73 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/jit/JumpReplacementWatchpoint.h b/Source/JavaScriptCore/jit/JumpReplacementWatchpoint.h
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+++ b/Source/JavaScriptCore/jit/JumpReplacementWatchpoint.h
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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. 
+ */
+
+#ifndef JumpReplacementWatchpoint_h
+#define JumpReplacementWatchpoint_h
+
+#include "Watchpoint.h"
+#include <wtf/Platform.h>
+
+#if ENABLE(JIT)
+
+#include "CodeLocation.h"
+#include "MacroAssembler.h"
+
+namespace JSC {
+
+class JumpReplacementWatchpoint : public Watchpoint {
+public:
+    JumpReplacementWatchpoint()
+        : m_source(std::numeric_limits<uintptr_t>::max())
+        , m_destination(std::numeric_limits<uintptr_t>::max())
+    {
+    }
+    
+    JumpReplacementWatchpoint(MacroAssembler::Label source)
+        : m_source(source.m_label.m_offset)
+        , m_destination(std::numeric_limits<uintptr_t>::max())
+    {
+    }
+    
+    void setDestination(MacroAssembler::Label destination)
+    {
+        m_destination = destination.m_label.m_offset;
+    }
+    
+    void correctLabels(LinkBuffer&);
+
+protected:
+    void fireInternal();
+
+private:
+    uintptr_t m_source;
+    uintptr_t m_destination;
+};
+
+} // namespace JSC
+
+#endif // ENABLE(JIT)
+
+#endif // JumpReplacementWatchpoint_h
+