3939
|
1 /*
|
|
2 * Copyright (c) 2011, Oracle and/or its affiliates. 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 *
|
7440
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
20 * or visit www.oracle.com if you need additional information or have any
|
|
21 * questions.
|
3939
|
22 *
|
|
23 */
|
|
24
|
|
25 package sun.jvm.hotspot.opto;
|
|
26
|
|
27 import java.util.*;
|
|
28 import sun.jvm.hotspot.debugger.*;
|
|
29 import sun.jvm.hotspot.runtime.*;
|
|
30 import sun.jvm.hotspot.oops.*;
|
|
31 import sun.jvm.hotspot.types.*;
|
|
32
|
|
33 public class Block_Array extends VMObject {
|
|
34 static {
|
|
35 VM.registerVMInitializedObserver(new Observer() {
|
|
36 public void update(Observable o, Object data) {
|
|
37 initialize(VM.getVM().getTypeDataBase());
|
|
38 }
|
|
39 });
|
|
40 }
|
|
41
|
|
42 private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
|
|
43 Type type = db.lookupType("Block_Array");
|
|
44 sizeField = new CIntField(type.getCIntegerField("_size"), 0);
|
|
45 blocksField = type.getAddressField("_blocks");
|
|
46 arenaField = type.getAddressField("_arena");
|
|
47 }
|
|
48
|
|
49 private static CIntField sizeField;
|
|
50 private static AddressField blocksField;
|
|
51 private static AddressField arenaField;
|
|
52
|
|
53 public Block_Array(Address addr) {
|
|
54 super(addr);
|
|
55 }
|
|
56
|
|
57 public int Max() {
|
|
58 return (int) sizeField.getValue(getAddress());
|
|
59 }
|
|
60
|
|
61 public Block at(int i) {
|
|
62 return new Block(blocksField.getValue(getAddress()).getAddressAt(i * (int)VM.getVM().getAddressSize()));
|
|
63 }
|
|
64 }
|