X-Git-Url: https://git.saurik.com/apple/javascriptcore.git/blobdiff_plain/1df5f87f1309a8daa30dabdee855f48ae40d14ab..6fe7ccc865dc7d7541b93c5bcaf6368d2c98a174:/bytecode/LLIntCallLinkInfo.h?ds=inline

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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 LLIntCallLinkInfo_h
+#define LLIntCallLinkInfo_h
+
+#include "JSFunction.h"
+#include "MacroAssemblerCodeRef.h"
+#include <wtf/SentinelLinkedList.h>
+
+namespace JSC {
+
+struct Instruction;
+
+struct LLIntCallLinkInfo : public BasicRawSentinelNode<LLIntCallLinkInfo> {
+    LLIntCallLinkInfo()
+    {
+    }
+    
+    ~LLIntCallLinkInfo()
+    {
+        if (isOnList())
+            remove();
+    }
+    
+    bool isLinked() { return callee; }
+    
+    void unlink()
+    {
+        callee.clear();
+        machineCodeTarget = MacroAssemblerCodePtr();
+        if (isOnList())
+            remove();
+    }
+    
+    WriteBarrier<JSFunction> callee;
+    WriteBarrier<JSFunction> lastSeenCallee;
+    MacroAssemblerCodePtr machineCodeTarget;
+};
+
+} // namespace JSC
+
+#endif // LLIntCallLinkInfo_h
+