Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/memory/DictionaryEntry.java @ 2426:1d1603768966
7010070: Update all 2010 Oracle-changed OpenJDK files to have the proper copyright dates - second pass
Summary: Update the copyright to be 2010 on all changed files in OpenJDK
Reviewed-by: ohair
| author | trims |
|---|---|
| date | Tue, 05 Apr 2011 14:12:31 -0700 |
| parents | 3582bf76420e |
| children | da91efe96a93 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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7010070: Update all 2010 Oracle-changed OpenJDK files to have the proper copyright dates - second pass
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2 * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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6941466: Oracle rebranding changes for Hotspot repositories
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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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c18cbe5936b8
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 package sun.jvm.hotspot.memory; | |
| 26 | |
| 27 import java.util.*; | |
| 28 import sun.jvm.hotspot.debugger.*; | |
| 29 import sun.jvm.hotspot.oops.*; | |
| 30 import sun.jvm.hotspot.types.*; | |
| 31 import sun.jvm.hotspot.runtime.*; | |
| 32 import sun.jvm.hotspot.utilities.*; | |
| 33 | |
| 34 public class DictionaryEntry extends sun.jvm.hotspot.utilities.HashtableEntry { | |
| 35 static { | |
| 36 VM.registerVMInitializedObserver(new Observer() { | |
| 37 public void update(Observable o, Object data) { | |
| 38 initialize(VM.getVM().getTypeDataBase()); | |
| 39 } | |
| 40 }); | |
| 41 } | |
| 42 | |
| 43 private static synchronized void initialize(TypeDataBase db) { | |
| 44 Type type = db.lookupType("DictionaryEntry"); | |
| 45 pdSetField = type.getAddressField("_pd_set"); | |
| 46 loaderField = type.getOopField("_loader"); | |
| 47 } | |
| 48 | |
| 49 // Fields | |
| 50 private static AddressField pdSetField; | |
| 51 private static sun.jvm.hotspot.types.OopField loaderField; | |
| 52 | |
| 53 // Accessors | |
| 54 | |
| 55 public ProtectionDomainEntry pdSet() { | |
| 56 Address tmp = pdSetField.getValue(addr); | |
| 57 return (ProtectionDomainEntry) VMObjectFactory.newObject( | |
| 58 ProtectionDomainEntry.class, tmp); | |
| 59 } | |
| 60 | |
| 61 public Oop loader() { | |
| 62 return VM.getVM().getObjectHeap().newOop(loaderField.getValue(addr)); | |
| 63 } | |
| 64 | |
| 65 public Klass klass() { | |
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3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
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66 return (Klass)VM.getVM().getObjectHeap().newOop(literalValue().addOffsetToAsOopHandle(0)); |
| 0 | 67 } |
| 68 | |
| 69 public DictionaryEntry(Address addr) { | |
| 70 super(addr); | |
| 71 } | |
| 72 | |
| 73 public boolean equals(Symbol className, Oop classLoader) { | |
| 74 InstanceKlass ik = (InstanceKlass) klass(); | |
| 75 Oop loader = loader(); | |
| 76 if (! ik.getName().equals(className)) { | |
| 77 return false; | |
| 78 } else { | |
| 79 return (loader == null)? (classLoader == null) : | |
| 80 (loader.equals(classLoader)); | |
| 81 } | |
| 82 } | |
| 83 | |
| 84 public boolean isValidProtectionDomain(Oop protectionDomain) { | |
| 85 if (protectionDomain == null) { | |
| 86 return true; | |
| 87 } else { | |
| 88 return containsProtectionDomain(protectionDomain); | |
| 89 } | |
| 90 } | |
| 91 | |
| 92 public boolean containsProtectionDomain(Oop protectionDomain) { | |
| 93 InstanceKlass ik = (InstanceKlass) klass(); | |
| 94 if (protectionDomain.equals(ik.getProtectionDomain())) { | |
| 95 return true; // Succeeds trivially | |
| 96 } | |
| 97 for (ProtectionDomainEntry current = pdSet(); current != null; | |
| 98 current = current.next()) { | |
| 99 if (protectionDomain.equals(current.protectionDomain())) { | |
| 100 return true; | |
| 101 } | |
| 102 } | |
| 103 return false; | |
| 104 } | |
| 105 | |
| 106 /* covariant return type :-( | |
| 107 public DictionaryEntry next() { | |
| 108 return (DictionaryEntry) super.next(); | |
| 109 } | |
| 110 For now, let the caller cast it .. | |
| 111 */ | |
| 112 } |