0
|
1 /*
|
|
2 * Copyright 2003 Sun Microsystems, Inc. All Rights Reserved.
|
|
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 *
|
|
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
|
|
20 * CA 95054 USA or visit www.sun.com if you need additional information or
|
|
21 * have any questions.
|
|
22 *
|
|
23 */
|
|
24
|
|
25 package sun.jvm.hotspot.memory;
|
|
26
|
|
27 import sun.jvm.hotspot.debugger.*;
|
|
28 import sun.jvm.hotspot.oops.*;
|
|
29 import sun.jvm.hotspot.runtime.*;
|
|
30 import sun.jvm.hotspot.utilities.*;
|
|
31
|
|
32 public class PlaceholderTable extends TwoOopHashtable {
|
|
33 public PlaceholderTable(Address addr) {
|
|
34 super(addr);
|
|
35 }
|
|
36
|
|
37 // this is overriden here so that Hashtable.bucket will return
|
|
38 // object of PlacholderEntry.class
|
|
39 protected Class getHashtableEntryClass() {
|
|
40 return PlaceholderEntry.class;
|
|
41 }
|
|
42
|
|
43 /** All array classes of primitive type, and their class loaders */
|
|
44 public void primArrayClassesDo(SystemDictionary.ClassAndLoaderVisitor v) {
|
|
45 ObjectHeap heap = VM.getVM().getObjectHeap();
|
|
46 int tblSize = tableSize();
|
|
47 for (int index = 0; index < tblSize; index++) {
|
|
48 for (PlaceholderEntry probe = (PlaceholderEntry) bucket(index); probe != null;
|
|
49 probe = (PlaceholderEntry) probe.next()) {
|
|
50 Symbol sym = probe.klass();
|
|
51 // array of primitive arrays are stored in system dictionary as placeholders
|
|
52 FieldType ft = new FieldType(sym);
|
|
53 if (ft.isArray()) {
|
|
54 FieldType.ArrayInfo info = ft.getArrayInfo();
|
|
55 if (info.elementBasicType() != BasicType.getTObject()) {
|
|
56 Klass arrayKlass = heap.typeArrayKlassObj(info.elementBasicType());
|
|
57 arrayKlass = arrayKlass.arrayKlassOrNull(info.dimension());
|
|
58 v.visit(arrayKlass, probe.loader());
|
|
59 }
|
|
60 }
|
|
61 }
|
|
62 }
|
|
63 }
|
|
64 }
|