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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.
22   *
23   */
24  
25  package sun.jvm.hotspot.oops;
26  
27  import sun.jvm.hotspot.runtime.VMObject;
28  import sun.jvm.hotspot.debugger.*;
29  
30  // The class for an C int field simply provides access to the value.
31  public class CIntField extends Field {
32  
33    public CIntField(sun.jvm.hotspot.types.CIntegerField vmField, long startOffset) {
34      super(new NamedFieldIdentifier(vmField.getName()), vmField.getOffset() + startOffset, true);
35      size       = vmField.getSize();
36      isUnsigned = ((sun.jvm.hotspot.types.CIntegerType) vmField.getType()).isUnsigned();
37    }
38  
39    private long size;
40    private boolean isUnsigned;
41  
42    public long getValue(Oop obj) {
43      return getValue(obj.getHandle());
44    }
45    public long getValue(VMObject obj) {
46      return getValue(obj.getAddress());
47    }
48    public long getValue(Address addr) {
49      return addr.getCIntegerAt(getOffset(), size, isUnsigned);
50    }
51    public void setValue(Oop obj, long value) throws MutationException {
52      // Fix this: set* missing in Address
53    }
54  }