Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/oops/InstanceClassLoaderKlass.java @ 6725:da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
author | coleenp |
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date | Sat, 01 Sep 2012 13:25:18 -0400 |
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children | aed758eda82a |
rev | line source |
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1 /* |
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2 * Copyright (c) 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.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.memory.*; |
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31 import sun.jvm.hotspot.runtime.*; |
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32 import sun.jvm.hotspot.types.*; |
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33 import sun.jvm.hotspot.utilities.*; |
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34 |
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35 // An InstanceKlass is the VM level representation of a Java class. |
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36 |
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37 public class InstanceClassLoaderKlass extends InstanceKlass { |
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38 static { |
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39 VM.registerVMInitializedObserver(new Observer() { |
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40 public void update(Observable o, Object data) { |
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41 initialize(VM.getVM().getTypeDataBase()); |
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42 } |
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43 }); |
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44 } |
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45 |
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46 private static synchronized void initialize(TypeDataBase db) throws WrongTypeException { |
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47 // Just make sure it's there for now |
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48 Type type = db.lookupType("instanceClassLoaderKlass"); |
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49 } |
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50 |
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51 public InstanceClassLoaderKlass(Address addr) { |
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52 super(addr); |
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53 } |
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54 } |