Mercurial > hg > graal-compiler
diff 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 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/agent/src/share/classes/sun/jvm/hotspot/oops/NarrowKlassField.java Tue Oct 09 10:11:38 2012 +0200 @@ -0,0 +1,41 @@ +/* + * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +package sun.jvm.hotspot.oops; + +import sun.jvm.hotspot.debugger.*; + +public class NarrowKlassField extends MetadataField { + + public NarrowKlassField(sun.jvm.hotspot.types.AddressField vmField, long startOffset) { + super(vmField, startOffset); + } + + public Metadata getValue(Address addr) { + return Metadata.instantiateWrapperFor(addr.getCompKlassAddressAt(getOffset())); + } + public void setValue(Oop obj, long value) throws MutationException { + // Fix this: set* missing in Address + } +}