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annotate agent/src/share/classes/sun/jvm/hotspot/gc_implementation/g1/G1CollectedHeap.java @ 20456:64156d22e49d

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8032247: SA: Constantpool lookup for invokedynamic is not implemented Summary: implement constant pool lookup for invokedynamic Reviewed-by: sla, sspitsyn
author dsamersoff
date Thu, 11 Sep 2014 11:55:30 -0700
parents 227a9e5e4b4a
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.gc_implementation.g1;
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26
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27 import java.util.Iterator;
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28 import java.util.Observable;
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29 import java.util.Observer;
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30
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31 import sun.jvm.hotspot.debugger.Address;
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32 import sun.jvm.hotspot.gc_interface.CollectedHeapName;
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33 import sun.jvm.hotspot.memory.MemRegion;
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34 import sun.jvm.hotspot.memory.SharedHeap;
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35 import sun.jvm.hotspot.memory.SpaceClosure;
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36 import sun.jvm.hotspot.runtime.VM;
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37 import sun.jvm.hotspot.runtime.VMObjectFactory;
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38 import sun.jvm.hotspot.types.AddressField;
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39 import sun.jvm.hotspot.types.Type;
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40 import sun.jvm.hotspot.types.TypeDataBase;
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41
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42 // Mirror class for G1CollectedHeap.
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43
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44 public class G1CollectedHeap extends SharedHeap {
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45 // HeapRegionManager _hrm;
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46 static private long hrmFieldOffset;
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47 // MemRegion _g1_reserved;
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48 static private long g1ReservedFieldOffset;
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49 // G1Allocator* _allocator
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50 static private AddressField g1Allocator;
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51 // G1MonitoringSupport* _g1mm;
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52 static private AddressField g1mmField;
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53 // HeapRegionSet _old_set;
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54 static private long oldSetFieldOffset;
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55 // HeapRegionSet _humongous_set;
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56 static private long humongousSetFieldOffset;
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57
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58 static {
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59 VM.registerVMInitializedObserver(new Observer() {
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60 public void update(Observable o, Object data) {
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61 initialize(VM.getVM().getTypeDataBase());
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62 }
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63 });
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64 }
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65
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66 static private synchronized void initialize(TypeDataBase db) {
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67 Type type = db.lookupType("G1CollectedHeap");
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68
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69 hrmFieldOffset = type.getField("_hrm").getOffset();
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70 g1Allocator = type.getAddressField("_allocator");
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71 g1mmField = type.getAddressField("_g1mm");
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72 oldSetFieldOffset = type.getField("_old_set").getOffset();
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73 humongousSetFieldOffset = type.getField("_humongous_set").getOffset();
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74 }
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75
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76 public long capacity() {
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77 return hrm().capacity();
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78 }
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79
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80 public long used() {
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81 return allocator().getSummaryBytes();
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82 }
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83
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84 public long n_regions() {
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85 return hrm().length();
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86 }
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87
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88 private HeapRegionManager hrm() {
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89 Address hrmAddr = addr.addOffsetTo(hrmFieldOffset);
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90 return (HeapRegionManager) VMObjectFactory.newObject(HeapRegionManager.class,
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91 hrmAddr);
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92 }
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93
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94 public G1MonitoringSupport g1mm() {
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95 Address g1mmAddr = g1mmField.getValue(addr);
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96 return (G1MonitoringSupport) VMObjectFactory.newObject(G1MonitoringSupport.class, g1mmAddr);
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97 }
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98
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99 public G1Allocator allocator() {
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100 Address g1AllocatorAddr = g1Allocator.getValue(addr);
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101 return (G1Allocator) VMObjectFactory.newObject(G1Allocator.class, g1AllocatorAddr);
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102 }
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103
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104 public HeapRegionSetBase oldSet() {
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105 Address oldSetAddr = addr.addOffsetTo(oldSetFieldOffset);
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106 return (HeapRegionSetBase) VMObjectFactory.newObject(HeapRegionSetBase.class,
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107 oldSetAddr);
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108 }
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109
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110 public HeapRegionSetBase humongousSet() {
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111 Address humongousSetAddr = addr.addOffsetTo(humongousSetFieldOffset);
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112 return (HeapRegionSetBase) VMObjectFactory.newObject(HeapRegionSetBase.class,
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113 humongousSetAddr);
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114 }
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115
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116 private Iterator<HeapRegion> heapRegionIterator() {
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117 return hrm().heapRegionIterator();
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118 }
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119
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120 public void heapRegionIterate(SpaceClosure scl) {
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121 Iterator<HeapRegion> iter = heapRegionIterator();
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122 while (iter.hasNext()) {
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123 HeapRegion hr = iter.next();
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124 scl.doSpace(hr);
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125 }
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126 }
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127
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128 public CollectedHeapName kind() {
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129 return CollectedHeapName.G1_COLLECTED_HEAP;
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130 }
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131
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132 public G1CollectedHeap(Address addr) {
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133 super(addr);
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134 }
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135 }