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comparison agent/src/share/classes/sun/jvm/hotspot/oops/ShortField.java @ 6725:da91efe96a93

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6964458: Reimplement class meta-data storage to use native memory Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
author coleenp
date Sat, 01 Sep 2012 13:25:18 -0400
parents c18cbe5936b8
children
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6724:36d1d483d5d6 6725:da91efe96a93
1 /* 1 /*
2 * Copyright (c) 2000, 2001, Oracle and/or its affiliates. All rights reserved. 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. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 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 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
23 */ 23 */
24 24
25 package sun.jvm.hotspot.oops; 25 package sun.jvm.hotspot.oops;
26 26
27 import sun.jvm.hotspot.debugger.*; 27 import sun.jvm.hotspot.debugger.*;
28 import sun.jvm.hotspot.runtime.VMObject;
28 29
29 // The class for a short field simply provides access to the value. 30 // The class for a short field simply provides access to the value.
30 public class ShortField extends Field { 31 public class ShortField extends Field {
31 public ShortField(FieldIdentifier id, long offset, boolean isVMField) { 32 public ShortField(FieldIdentifier id, long offset, boolean isVMField) {
32 super(id, offset, isVMField); 33 super(id, offset, isVMField);
39 public ShortField(InstanceKlass holder, int fieldArrayIndex) { 40 public ShortField(InstanceKlass holder, int fieldArrayIndex) {
40 super(holder, fieldArrayIndex); 41 super(holder, fieldArrayIndex);
41 } 42 }
42 43
43 public short getValue(Oop obj) { return obj.getHandle().getJShortAt(getOffset()); } 44 public short getValue(Oop obj) { return obj.getHandle().getJShortAt(getOffset()); }
45 public short getValue(VMObject obj) { return obj.getAddress().getJShortAt(getOffset()); }
44 public void setValue(Oop obj, short value) throws MutationException { 46 public void setValue(Oop obj, short value) throws MutationException {
45 // Fix this: setJFloatAt is missing in Address 47 // Fix this: setJFloatAt is missing in Address
46 } 48 }
47 } 49 }