annotate test/runtime/RedefineObject/TestRedefineObject.java @ 10268:43083e670adf

8005056: NPG: Crash after redefining java.lang.Object Summary: Need to walk array class vtables replacing old methods too if j.l.o redefined Reviewed-by: sspitsyn, dcubed, ctornqvi
author coleenp
date Mon, 13 May 2013 15:37:08 -0400
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children 17db82f22f1e
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10268
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1 /*
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2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
43083e670adf 8005056: NPG: Crash after redefining java.lang.Object
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
43083e670adf 8005056: NPG: Crash after redefining java.lang.Object
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
43083e670adf 8005056: NPG: Crash after redefining java.lang.Object
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
43083e670adf 8005056: NPG: Crash after redefining java.lang.Object
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 import java.io.PrintWriter;
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24 import com.oracle.java.testlibrary.*;
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25
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26 /*
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27 * Test to redefine java/lang/Object and verify that it doesn't crash on vtable
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28 * call on basic array type.
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29 *
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30 * @test
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31 * @bug 8005056
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32 * @library /testlibrary
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33 * @build Agent
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34 * @run main ClassFileInstaller Agent
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35 * @run main Test
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36 * @run main/othervm -javaagent:agent.jar Agent
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37 */
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38 public class Test {
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39 public static void main(String[] args) throws Exception {
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40
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41 PrintWriter pw = new PrintWriter("MANIFEST.MF");
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42 pw.println("Premain-Class: Agent");
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43 pw.println("Can-Retransform-Classes: true");
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44 pw.close();
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45
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46 ProcessBuilder pb = new ProcessBuilder();
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47 pb.command(new String[] { JDKToolFinder.getJDKTool("jar"), "cmf", "MANIFEST.MF", "agent.jar", "Agent.class"});
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48 pb.start().waitFor();
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49 }
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50 }