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comparison agent/src/share/classes/sun/jvm/hotspot/oops/IntField.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 c7f3d0b4570f
children
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6724:36d1d483d5d6 6725:da91efe96a93
1 /* 1 /*
2 * Copyright (c) 2000, 2011, 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 an int field simply provides access to the value. 30 // The class for an int field simply provides access to the value.
30 public class IntField extends Field { 31 public class IntField extends Field {
31 public IntField(FieldIdentifier id, long offset, boolean isVMField) { 32 public IntField(FieldIdentifier id, long offset, boolean isVMField) {
32 super(id, offset, isVMField); 33 super(id, offset, isVMField);
44 if (!isVMField() && !obj.isInstance() && !obj.isArray()) { 45 if (!isVMField() && !obj.isInstance() && !obj.isArray()) {
45 throw new InternalError(obj.toString()); 46 throw new InternalError(obj.toString());
46 } 47 }
47 return obj.getHandle().getJIntAt(getOffset()); 48 return obj.getHandle().getJIntAt(getOffset());
48 } 49 }
50 public int getValue(VMObject obj) {
51 return obj.getAddress().getJIntAt(getOffset());
52 }
49 public void setValue(Oop obj, int value) throws MutationException { 53 public void setValue(Oop obj, int value) throws MutationException {
50 // Fix this: setJIntAt is missing in Address 54 // Fix this: setJIntAt is missing in Address
51 } 55 }
52 } 56 }