diff -r 000000000000 -r 959103a6100f src/share/classes/com/sun/tools/javap/Main.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/classes/com/sun/tools/javap/Main.java	Wed Apr 27 01:34:52 2016 +0800
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2007, 2008, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package com.sun.tools.javap;
+
+import java.io.PrintWriter;
+
+/**
+ *  Main entry point.
+ *
+ *  <p><b>This is NOT part of any supported API.
+ *  If you write code that depends on this, you do so at your own risk.
+ *  This code and its internal interfaces are subject to change or
+ *  deletion without notice.</b>
+ */
+public class Main {
+    /**
+     * Main entry point for the launcher.
+     * Note: This method calls System.exit.
+     * @param args command line arguments
+     */
+    public static void main(String[] args) {
+        JavapTask t = new JavapTask();
+        int rc = t.run(args);
+        System.exit(rc);
+    }
+
+    /**
+     * Entry point that does <i>not</i> call System.exit.
+     * @param args command line arguments
+     * @param out output stream
+     * @return an exit code. 0 means success, non-zero means an error occurred.
+     */
+    public static int run(String[] args, PrintWriter out) {
+        JavapTask t = new JavapTask();
+        t.setLog(out);
+        return t.run(args);
+    }
+}