annotate agent/src/share/classes/sun/jvm/hotspot/oops/CompiledICHolder.java @ 1552:c18cbe5936b8

6941466: Oracle rebranding changes for Hotspot repositories Summary: Change all the Sun copyrights to Oracle copyright Reviewed-by: ohair
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date Thu, 27 May 2010 19:08:38 -0700
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1 /*
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2 * Copyright (c) 2000, 2001, 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
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
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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.runtime.*;
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31 import sun.jvm.hotspot.types.*;
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32
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33 public class CompiledICHolder extends Oop {
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34 static {
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35 VM.registerVMInitializedObserver(new Observer() {
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36 public void update(Observable o, Object data) {
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37 initialize(VM.getVM().getTypeDataBase());
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38 }
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39 });
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40 }
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41
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42 private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
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43 Type type = db.lookupType("compiledICHolderOopDesc");
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44 holderMethod = new OopField(type.getOopField("_holder_method"), 0);
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45 holderKlass = new OopField(type.getOopField("_holder_klass"), 0);
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46 headerSize = type.getSize();
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47 }
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48
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49 CompiledICHolder(OopHandle handle, ObjectHeap heap) {
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50 super(handle, heap);
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51 }
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52
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53 public boolean isCompiledICHolder() { return true; }
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54
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55 private static long headerSize;
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56
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57 // Fields
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58 private static OopField holderMethod;
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59 private static OopField holderKlass;
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60
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61 // Accessors for declared fields
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62 public Method getHolderMethod() { return (Method) holderMethod.getValue(this); }
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63 public Klass getHolderKlass() { return (Klass) holderKlass.getValue(this); }
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64
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65 public void printValueOn(PrintStream tty) {
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66 tty.print("CompiledICHolder");
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67 }
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68
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69 public long getObjectSize() {
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70 return alignObjectSize(headerSize);
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71 }
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72
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73 void iterateFields(OopVisitor visitor, boolean doVMFields) {
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74 super.iterateFields(visitor, doVMFields);
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75 if (doVMFields) {
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76 visitor.doOop(holderMethod, true);
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77 visitor.doOop(holderKlass, true);
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78 }
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79 }
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80 }