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annotate agent/src/share/classes/sun/jvm/hotspot/ci/ciReceiverTypeData.java @ 6972:bd7a7ce2e264

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6830717: replay of compilations would help with debugging Summary: When java process crashed in compiler thread, repeat the compilation process will help finding root cause. This is done with using SA dump application class data and replay data from core dump, then use debug version of jvm to recompile the problematic java method. Reviewed-by: kvn, twisti, sspitsyn Contributed-by: yumin.qi@oracle.com
author minqi
date Mon, 12 Nov 2012 14:03:53 -0800
parents da91efe96a93
children 79f492f184d0
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1 /*
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2 * Copyright (c) 2011, 2012, 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
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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
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 package sun.jvm.hotspot.ci;
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26
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27 import java.io.*;
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28 import java.util.*;
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29 import sun.jvm.hotspot.debugger.*;
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30 import sun.jvm.hotspot.runtime.*;
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31 import sun.jvm.hotspot.oops.*;
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32 import sun.jvm.hotspot.types.*;
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33
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34 public class ciReceiverTypeData extends ReceiverTypeData {
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35 public ciReceiverTypeData(DataLayout data) {
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36 super(data);
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37 }
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38
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39 public Klass receiver(int row) {
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40 throw new InternalError("should not call");
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41 }
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42
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43 public ciKlass receiverAt(int row) {
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44 //assert((uint)row < rowLimit(), "oob");
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45 ciMetadata recv = ciObjectFactory.getMetadata(addressAt(receiverCellIndex(row)));
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46 if (recv != null && !(recv instanceof ciKlass)) {
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47 System.err.println(recv);
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48 }
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49 //assert(recv == NULL || recv->isKlass(), "wrong type");
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50 return (ciKlass)recv;
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51 }
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52
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53 }