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annotate agent/src/share/classes/sun/jvm/hotspot/oops/NarrowOopField.java @ 1552:c18cbe5936b8

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6941466: Oracle rebranding changes for Hotspot repositories Summary: Change all the Sun copyrights to Oracle copyright Reviewed-by: ohair
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date Thu, 27 May 2010 19:08:38 -0700
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1 /*
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2 * Copyright (c) 2000, 2008, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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25 package sun.jvm.hotspot.oops;
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27 import sun.jvm.hotspot.debugger.*;
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29 // The class for an oop field simply provides access to the value.
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30 public class NarrowOopField extends OopField {
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31 public NarrowOopField(FieldIdentifier id, long offset, boolean isVMField) {
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32 super(id, offset, isVMField);
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33 }
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35 public NarrowOopField(sun.jvm.hotspot.types.OopField vmField, long startOffset) {
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36 super(new NamedFieldIdentifier(vmField.getName()), vmField.getOffset() + startOffset, true);
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37 }
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39 public NarrowOopField(InstanceKlass holder, int fieldArrayIndex) {
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40 super(holder, fieldArrayIndex);
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41 }
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43 public Oop getValue(Oop obj) {
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44 return obj.getHeap().newOop(getValueAsOopHandle(obj));
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45 }
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47 /** Debugging support */
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48 public OopHandle getValueAsOopHandle(Oop obj) {
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49 return obj.getHandle().getCompOopHandleAt(getOffset());
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50 }
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52 public void setValue(Oop obj) throws MutationException {
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53 // Fix this: setOopAt is missing in Address
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54 }
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55 }