Mercurial > hg > graal-compiler

comparison agent/src/share/classes/sun/jvm/hotspot/opto/Node_Array.java @ 3939:f6f3bb0ee072

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
7088955: add C2 IR support to the SA Reviewed-by: kvn
author never
date Sun, 11 Sep 2011 14:48:24 -0700
parents
children 79f492f184d0
comparison
equal deleted inserted replaced
3938:e6b1331a51d2 3939:f6f3bb0ee072
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 *
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.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 Node_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("Node_Array");
44 maxField = new CIntField(type.getCIntegerField("_max"), 0);
45 nodesField = type.getAddressField("_nodes");
46 aField = type.getAddressField("_a");
47 }
48
49 private static CIntField maxField;
50 private static AddressField nodesField;
51 private static AddressField aField;
52
53 public Node_Array(Address addr) {
54 super(addr);
55 }
56
57 public int Size() {
58 return (int) maxField.getValue(getAddress());
59 }
60
61 public Node at(int i) {
62 return Node.create(nodesField.getValue(getAddress()).getAddressAt(i * (int)VM.getVM().getAddressSize()));
63 }
64 }