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diff --git a/Source/JavaScriptCore/runtime/ExecutionHarness.h b/Source/JavaScriptCore/runtime/ExecutionHarness.h
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+++ b/Source/JavaScriptCore/runtime/ExecutionHarness.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 ExecutionHarness_h
+#define ExecutionHarness_h
+
+#include <wtf/Platform.h>
+
+#if ENABLE(JIT)
+
+#include "JITDriver.h"
+#include "LLIntEntrypoints.h"
+
+namespace JSC {
+
+template<typename CodeBlockType>
+inline bool prepareForExecution(JSGlobalData& globalData, OwnPtr<CodeBlockType>& codeBlock, JITCode& jitCode, JITCode::JITType jitType)
+{
+#if ENABLE(LLINT)
+    if (JITCode::isBaselineCode(jitType)) {
+        // Start off in the low level interpreter.
+        LLInt::getEntrypoint(globalData, codeBlock.get(), jitCode);
+        codeBlock->setJITCode(jitCode, MacroAssemblerCodePtr());
+        return true;
+    }
+#endif // ENABLE(LLINT)
+    return jitCompileIfAppropriate(globalData, codeBlock, jitCode, jitType);
+}
+
+inline bool prepareFunctionForExecution(JSGlobalData& globalData, OwnPtr<FunctionCodeBlock>& codeBlock, JITCode& jitCode, MacroAssemblerCodePtr& jitCodeWithArityCheck, SharedSymbolTable*& symbolTable, JITCode::JITType jitType, CodeSpecializationKind kind)
+{
+#if ENABLE(LLINT)
+    if (JITCode::isBaselineCode(jitType)) {
+        // Start off in the low level interpreter.
+        LLInt::getFunctionEntrypoint(globalData, kind, jitCode, jitCodeWithArityCheck);
+        codeBlock->setJITCode(jitCode, jitCodeWithArityCheck);
+        return true;
+    }
+#else
+    UNUSED_PARAM(kind);
+#endif // ENABLE(LLINT)
+    return jitCompileFunctionIfAppropriate(globalData, codeBlock, jitCode, jitCodeWithArityCheck, symbolTable, jitType);
+}
+
+} // namespace JSC
+
+#endif // ENABLE(JIT)
+
+#endif // ExecutionHarness_h
+