Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/memory/LoaderConstraintEntry.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 |
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| rev | line source |
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| 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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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. |
| 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 LoaderConstraintEntry 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("LoaderConstraintEntry"); | |
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45 nameField = type.getAddressField("_name"); |
| 0 | 46 numLoadersField = type.getCIntegerField("_num_loaders"); |
| 47 maxLoadersField = type.getCIntegerField("_max_loaders"); | |
| 48 loadersField = type.getAddressField("_loaders"); | |
| 49 } | |
| 50 | |
| 51 // Fields | |
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52 private static AddressField nameField; |
| 0 | 53 private static CIntegerField numLoadersField; |
| 54 private static CIntegerField maxLoadersField; | |
| 55 private static AddressField loadersField; | |
| 56 | |
| 57 // Accessors | |
| 58 | |
| 59 public Symbol name() { | |
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60 return Symbol.create(nameField.getValue(addr)); |
| 0 | 61 } |
| 62 | |
| 63 public int numLoaders() { | |
| 64 return (int) numLoadersField.getValue(addr); | |
| 65 } | |
| 66 | |
| 67 public int maxLoaders() { | |
| 68 return (int) maxLoadersField.getValue(addr); | |
| 69 } | |
| 70 | |
| 71 public Oop initiatingLoader(int i) { | |
| 72 if (Assert.ASSERTS_ENABLED) { | |
| 73 Assert.that(i >= 0 && i < numLoaders(), "invalid index"); | |
| 74 } | |
| 75 Address loaders = loadersField.getValue(addr); | |
| 76 OopHandle loader = loaders.addOffsetToAsOopHandle(i * VM.getVM().getOopSize()); | |
| 77 return VM.getVM().getObjectHeap().newOop(loader); | |
| 78 } | |
| 79 | |
| 80 public LoaderConstraintEntry(Address addr) { | |
| 81 super(addr); | |
| 82 } | |
| 83 | |
| 84 /* covariant return type :-( | |
| 85 public LoaderConstraintEntry next() { | |
| 86 return (LoaderConstraintEntry) super.next(); | |
| 87 } | |
| 88 For now, let the caller cast it .. | |
| 89 */ | |
| 90 } |