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annotate agent/src/share/classes/sun/jvm/hotspot/oops/InstanceMirrorKlass.java @ 6735:aed758eda82a

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7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass Summary: Simple renaming to be consistent with instanceKlass->InstanceKlass renaming Reviewed-by: stefank, jmasa
author coleenp
date Fri, 07 Sep 2012 12:04:16 -0400
parents da91efe96a93
children
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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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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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 */
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24
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25 package sun.jvm.hotspot.oops;
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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.memory.*;
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31 import sun.jvm.hotspot.runtime.*;
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32 import sun.jvm.hotspot.types.*;
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33 import sun.jvm.hotspot.utilities.*;
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34
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35 // An InstanceKlass is the VM level representation of a Java class.
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37 public class InstanceMirrorKlass extends InstanceKlass {
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38 static {
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39 VM.registerVMInitializedObserver(new Observer() {
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40 public void update(Observable o, Object data) {
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41 initialize(VM.getVM().getTypeDataBase());
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42 }
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43 });
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44 }
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46 private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
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47 // Just make sure it's there for now
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48 Type type = db.lookupType("InstanceMirrorKlass");
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49 }
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50
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51 public InstanceMirrorKlass(Address addr) {
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52 super(addr);
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53 }
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54
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55 public long getObjectSize(Oop o) {
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56 return java_lang_Class.getOopSize(o) * VM.getVM().getAddressSize();
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57 }
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58
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59 public void iterateNonStaticFields(OopVisitor visitor, Oop obj) {
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60 super.iterateNonStaticFields(visitor, obj);
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61 // Fetch the real klass from the mirror object
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62 Klass klass = java_lang_Class.asKlass(obj);
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63 if (klass instanceof InstanceKlass) {
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64 ((InstanceKlass)klass).iterateStaticFields(visitor);
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65 }
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66 }
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67 }