IntField.java revision 9883:903a2e023ffb 
1/*
2 * Copyright (c) 2000, 2012, 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 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.
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23 */
24
25package sun.jvm.hotspot.oops;
26
27import sun.jvm.hotspot.debugger.*;
28import sun.jvm.hotspot.runtime.VMObject;
29
30// The class for an int field simply provides access to the value.
31public class IntField extends Field {
32  public IntField(FieldIdentifier id, long offset, boolean isVMField) {
33    super(id, offset, isVMField);
34  }
35
36  public IntField(sun.jvm.hotspot.types.JIntField vmField, long startOffset) {
37    super(new NamedFieldIdentifier(vmField.getName()), vmField.getOffset() + startOffset, true);
38  }
39
40  public IntField(InstanceKlass holder, int fieldArrayIndex) {
41    super(holder, fieldArrayIndex);
42  }
43
44  public int getValue(Oop obj) {
45    if (!isVMField() && !obj.isInstance() && !obj.isArray()) {
46      throw new InternalError(obj.toString());
47    }
48    return obj.getHandle().getJIntAt(getOffset());
49  }
50  public int getValue(VMObject obj) {
51    return obj.getAddress().getJIntAt(getOffset());
52  }
53  public void setValue(Oop obj, int value) throws MutationException {
54    // Fix this: setJIntAt is missing in Address
55  }
56}
57