Mercurial > hg > graal-compiler
annotate agent/src/share/classes/sun/jvm/hotspot/memory/StringTable.java @ 7440:79f492f184d0
8004982: JDK8 source with GPL header errors
Reviewed-by: ohair
author | katleman |
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date | Thu, 20 Dec 2012 16:24:51 -0800 |
parents | 1d1603768966 |
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0 | 1 /* |
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2 * Copyright (c) 2005, 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.io.*; | |
28 import java.util.*; | |
29 import sun.jvm.hotspot.debugger.*; | |
30 import sun.jvm.hotspot.oops.*; | |
31 import sun.jvm.hotspot.types.*; | |
32 import sun.jvm.hotspot.runtime.*; | |
33 import sun.jvm.hotspot.utilities.*; | |
34 | |
35 public class StringTable extends sun.jvm.hotspot.utilities.Hashtable { | |
36 static { | |
37 VM.registerVMInitializedObserver(new Observer() { | |
38 public void update(Observable o, Object data) { | |
39 initialize(VM.getVM().getTypeDataBase()); | |
40 } | |
41 }); | |
42 } | |
43 | |
44 private static synchronized void initialize(TypeDataBase db) { | |
45 Type type = db.lookupType("StringTable"); | |
46 theTableField = type.getAddressField("_the_table"); | |
47 } | |
48 | |
49 // Fields | |
50 private static AddressField theTableField; | |
51 | |
52 // Accessors | |
53 public static StringTable getTheTable() { | |
54 Address tmp = theTableField.getValue(); | |
55 return (StringTable) VMObjectFactory.newObject(StringTable.class, tmp); | |
56 } | |
57 | |
58 public StringTable(Address addr) { | |
59 super(addr); | |
60 } | |
61 | |
62 public interface StringVisitor { | |
63 public void visit(Instance string); | |
64 } | |
65 | |
66 public void stringsDo(StringVisitor visitor) { | |
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67 ObjectHeap oh = VM.getVM().getObjectHeap(); |
0 | 68 int numBuckets = tableSize(); |
69 for (int i = 0; i < numBuckets; i++) { | |
70 for (HashtableEntry e = (HashtableEntry) bucket(i); e != null; | |
71 e = (HashtableEntry) e.next()) { | |
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72 Instance s = (Instance)oh.newOop(e.literalValue().addOffsetToAsOopHandle(0)); |
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73 visitor.visit(s); |
0 | 74 } |
75 } | |
76 } | |
77 } |