Mercurial > hg > graal-jvmci-8
view agent/src/share/classes/sun/jvm/hotspot/oops/ShortField.java @ 8005:ec0c4951286c
8004710: NPG: jmap could throw sun.jvm.hotspot.types.WrongTypeException after PermGen removal
Summary: When calculating live object regions, make sure that the alignment reserve, at the end of a TLAB, is excluded.
Reviewed-by: jmasa, brutisso
author | stefank |
---|---|
date | Tue, 29 Jan 2013 10:51:33 +0100 |
parents | da91efe96a93 |
children |
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/* * Copyright (c) 2000, 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.*; import sun.jvm.hotspot.runtime.VMObject; // The class for a short field simply provides access to the value. public class ShortField extends Field { public ShortField(FieldIdentifier id, long offset, boolean isVMField) { super(id, offset, isVMField); } public ShortField(sun.jvm.hotspot.types.JShortField vmField, long startOffset) { super(new NamedFieldIdentifier(vmField.getName()), vmField.getOffset(), true); } public ShortField(InstanceKlass holder, int fieldArrayIndex) { super(holder, fieldArrayIndex); } public short getValue(Oop obj) { return obj.getHandle().getJShortAt(getOffset()); } public short getValue(VMObject obj) { return obj.getAddress().getJShortAt(getOffset()); } public void setValue(Oop obj, short value) throws MutationException { // Fix this: setJFloatAt is missing in Address } }