Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/oops/CIntField.java @ 6725:da91efe96a93
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 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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 * | |
|
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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. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 package sun.jvm.hotspot.oops; | |
| 26 | |
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6964458: Reimplement class meta-data storage to use native memory
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27 import sun.jvm.hotspot.runtime.VMObject; |
| 0 | 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) { | |
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43 return getValue(obj.getHandle()); |
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6964458: Reimplement class meta-data storage to use native memory
coleenp
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44 } |
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da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
3939
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45 public long getValue(VMObject obj) { |
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da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
3939
diff
changeset
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46 return getValue(obj.getAddress()); |
| 0 | 47 } |
| 3939 | 48 public long getValue(Address addr) { |
| 49 return addr.getCIntegerAt(getOffset(), size, isUnsigned); | |
| 50 } | |
| 0 | 51 public void setValue(Oop obj, long value) throws MutationException { |
| 52 // Fix this: set* missing in Address | |
| 53 } | |
| 54 } |