Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/ci/ciReceiverTypeData.java @ 11997:cd25d3be91c5
8012144: multiple SIGSEGVs fails on staxf
Summary: Forward port of 7u change to add additional fence() on RMO platforms, with a load_acquire on all platforms
Reviewed-by: dholmes, kvn
author | vladidan |
---|---|
date | Tue, 06 Aug 2013 20:01:40 -0400 |
parents | 79f492f184d0 |
children |
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/* * Copyright (c) 2011, 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.ci; import java.io.*; import java.util.*; import sun.jvm.hotspot.debugger.*; import sun.jvm.hotspot.runtime.*; import sun.jvm.hotspot.oops.*; import sun.jvm.hotspot.types.*; public class ciReceiverTypeData extends ReceiverTypeData { public ciReceiverTypeData(DataLayout data) { super(data); } public Klass receiver(int row) { throw new InternalError("should not call"); } public ciKlass receiverAt(int row) { //assert((uint)row < rowLimit(), "oob"); ciMetadata recv = ciObjectFactory.getMetadata(addressAt(receiverCellIndex(row))); if (recv != null && !(recv instanceof ciKlass)) { System.err.println(recv); } //assert(recv == NULL || recv->isKlass(), "wrong type"); return (ciKlass)recv; } }