annotate agent/src/share/classes/sun/jvm/hotspot/gc_implementation/parallelScavenge/ParallelScavengeHeap.java @ 1913:3b2dea75431e

6984311: JSR 292 needs optional bootstrap method parameters Summary: Allow CONSTANT_InvokeDynamic nodes to have any number of extra operands. Reviewed-by: twisti
author jrose
date Sat, 30 Oct 2010 13:08:23 -0700
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children da91efe96a93
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1 /*
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2 * Copyright (c) 2003, 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.gc_implementation.parallelScavenge;
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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
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30 import sun.jvm.hotspot.debugger.*;
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31 import sun.jvm.hotspot.gc_interface.*;
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32 import sun.jvm.hotspot.runtime.*;
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33 import sun.jvm.hotspot.types.*;
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34
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35 public class ParallelScavengeHeap extends CollectedHeap {
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36 static {
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37 VM.registerVMInitializedObserver(new Observer() {
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38 public void update(Observable o, Object data) {
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39 initialize(VM.getVM().getTypeDataBase());
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40 }
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41 });
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42 }
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43
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44 private static synchronized void initialize(TypeDataBase db) {
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45 Type type = db.lookupType("ParallelScavengeHeap");
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46 youngGenField = type.getAddressField("_young_gen");
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47 oldGenField = type.getAddressField("_old_gen");
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48 permGenField = type.getAddressField("_perm_gen");
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49 }
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50
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51 public ParallelScavengeHeap(Address addr) {
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52 super(addr);
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53 }
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54
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55 // Fields
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56 private static AddressField youngGenField;
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57 private static AddressField oldGenField;
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58 private static AddressField permGenField;
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59
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60 // Accessors
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61 public PSYoungGen youngGen() {
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62 return (PSYoungGen) VMObjectFactory.newObject(PSYoungGen.class, youngGenField.getValue());
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63 }
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64
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65 public PSOldGen oldGen() {
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66 return (PSOldGen) VMObjectFactory.newObject(PSOldGen.class, oldGenField.getValue());
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67 }
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68
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69 public PSPermGen permGen() {
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70 return (PSPermGen) VMObjectFactory.newObject(PSPermGen.class, permGenField.getValue());
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71 }
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72
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73 public long capacity() {
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74 return youngGen().capacity() + oldGen().capacity();
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75 }
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76
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77 public long used() {
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78 return youngGen().used() + oldGen().used();
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79 }
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80
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81 public boolean isIn(Address a) {
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82 if (youngGen().isIn(a)) {
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83 return true;
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84 }
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85
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86 if (oldGen().isIn(a)) {
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87 return true;
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88 }
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89
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90 if (permGen().isIn(a)) {
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91 return true;
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92 }
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93
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94 return false;
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95 }
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96
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97 public CollectedHeapName kind() {
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98 return CollectedHeapName.PARALLEL_SCAVENGE_HEAP;
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99 }
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100
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101 public void printOn(PrintStream tty) {
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102 tty.print("ParallelScavengeHeap [ ");
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103 youngGen().printOn(tty);
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104 oldGen().printOn(tty);
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105 permGen().printOn(tty);
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106 tty.print(" ] ");
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107 }
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108 }