Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/types/basic/BasicJDoubleField.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 | c18cbe5936b8 |
children |
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/* * Copyright (c) 2000, 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.types.basic; import sun.jvm.hotspot.debugger.*; import sun.jvm.hotspot.types.*; /** A specialization of Field which represents a field containing a Java double value (in either a C/C++ data structure or a Java object) and which adds typechecked getValue() routines returning doubles. */ public class BasicJDoubleField extends BasicField implements JDoubleField { public BasicJDoubleField(BasicTypeDataBase db, Type containingType, String name, Type type, boolean isStatic, long offset, Address staticFieldAddress) { super(db, containingType, name, type, isStatic, offset, staticFieldAddress); if (!type.equals(db.getJDoubleType())) { throw new WrongTypeException("Type of a BasicJDoubleField must be equal to TypeDataBase.getJDoubleType()"); } } /** The field must be nonstatic and the type of the field must be a Java double, or a WrongTypeException will be thrown. */ public double getValue(Address addr) throws UnmappedAddressException, UnalignedAddressException, WrongTypeException { return getJDouble(addr); } /** The field must be static and the type of the field must be a Java double, or a WrongTypeException will be thrown. */ public double getValue() throws UnmappedAddressException, UnalignedAddressException, WrongTypeException { return getJDouble(); } }