JavaScriptCore-7601.1.46.3.tar.gz

[apple/javascriptcore.git] / jit / ExecutableAllocationFuzz.h

diff --git a/jit/ExecutableAllocationFuzz.h b/jit/ExecutableAllocationFuzz.h
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+/*
+ * Copyright (C) 2015 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 ExecutableAllocationFuzz_h
+#define ExecutableAllocationFuzz_h
+
+#include "Options.h"
+
+namespace JSC {
+
+enum ExecutableAllocationFuzzResult {
+    AllowNormalExecutableAllocation,
+    PretendToFailExecutableAllocation
+};
+
+ExecutableAllocationFuzzResult doExecutableAllocationFuzzing();
+
+inline ExecutableAllocationFuzzResult doExecutableAllocationFuzzingIfEnabled()
+{
+    if (LIKELY(!Options::enableExecutableAllocationFuzz()))
+        return AllowNormalExecutableAllocation;
+    
+    return doExecutableAllocationFuzzing();
+}
+
+} // namespace JSC
+
+#endif // ExecutableAllocationFuzz_h
+