Mercurial > hg > graal-compiler
comparison agent/src/share/classes/sun/jvm/hotspot/oops/NarrowKlassField.java @ 6848:8e47bac5643a
7054512: Compress class pointers after perm gen removal
Summary: support of compress class pointers in the compilers.
Reviewed-by: kvn, twisti
| author | roland |
|---|---|
| date | Tue, 09 Oct 2012 10:11:38 +0200 |
| parents | |
| children |
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| 6847:65d07d9ee446 | 6848:8e47bac5643a |
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| 1 /* | |
| 2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. | |
| 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 * | |
| 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 20 * or visit www.oracle.com if you need additional information or have any | |
| 21 * questions. | |
| 22 * | |
| 23 */ | |
| 24 | |
| 25 package sun.jvm.hotspot.oops; | |
| 26 | |
| 27 import sun.jvm.hotspot.debugger.*; | |
| 28 | |
| 29 public class NarrowKlassField extends MetadataField { | |
| 30 | |
| 31 public NarrowKlassField(sun.jvm.hotspot.types.AddressField vmField, long startOffset) { | |
| 32 super(vmField, startOffset); | |
| 33 } | |
| 34 | |
| 35 public Metadata getValue(Address addr) { | |
| 36 return Metadata.instantiateWrapperFor(addr.getCompKlassAddressAt(getOffset())); | |
| 37 } | |
| 38 public void setValue(Oop obj, long value) throws MutationException { | |
| 39 // Fix this: set* missing in Address | |
| 40 } | |
| 41 } |