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comparison agent/src/share/classes/sun/jvm/hotspot/oops/CIntField.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 f6f3bb0ee072
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.
22 * 22 *
23 */ 23 */
24 24
25 package sun.jvm.hotspot.oops; 25 package sun.jvm.hotspot.oops;
26 26
27 import sun.jvm.hotspot.runtime.VMObject;
27 import sun.jvm.hotspot.debugger.*; 28 import sun.jvm.hotspot.debugger.*;
28 29
29 // The class for an C int field simply provides access to the value. 30 // The class for an C int field simply provides access to the value.
30 public class CIntField extends Field { 31 public class CIntField extends Field {
31 32
37 38
38 private long size; 39 private long size;
39 private boolean isUnsigned; 40 private boolean isUnsigned;
40 41
41 public long getValue(Oop obj) { 42 public long getValue(Oop obj) {
42 return obj.getHandle().getCIntegerAt(getOffset(), size, isUnsigned); 43 return getValue(obj.getHandle());
44 }
45 public long getValue(VMObject obj) {
46 return getValue(obj.getAddress());
43 } 47 }
44 public long getValue(Address addr) { 48 public long getValue(Address addr) {
45 return addr.getCIntegerAt(getOffset(), size, isUnsigned); 49 return addr.getCIntegerAt(getOffset(), size, isUnsigned);
46 } 50 }
47 public void setValue(Oop obj, long value) throws MutationException { 51 public void setValue(Oop obj, long value) throws MutationException {