Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/types/basic/BasicCIntegerType.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 java.util.*; import sun.jvm.hotspot.debugger.*; import sun.jvm.hotspot.types.*; /** <P> This specialization of BasicType implements the CIntegerType interface and describes all C integer types. */ public class BasicCIntegerType extends BasicType implements CIntegerType { private boolean isUnsigned; public BasicCIntegerType(BasicTypeDataBase db, String name, boolean isUnsigned) { super(db, name, null); this.isUnsigned = isUnsigned; } public boolean equals(Object obj) { if (!super.equals(obj)) { return false; } if (!(obj instanceof BasicCIntegerType)) { return false; } BasicCIntegerType arg = (BasicCIntegerType) obj; if (isUnsigned != arg.isUnsigned) { return false; } return true; } public String toString() { String prefix = null; if (isUnsigned) { prefix = "unsigned"; } if (prefix != null) { return prefix + " " + getName(); } return getName(); } public boolean isCIntegerType() { return true; } public boolean isUnsigned() { return isUnsigned; } /** This should be called at most once, and only by the builder of the TypeDataBase */ public void setIsUnsigned(boolean isUnsigned) { this.isUnsigned = isUnsigned; } public long maxValue() { return db.cIntegerTypeMaxValue(getSize(), isUnsigned()); } public long minValue() { return db.cIntegerTypeMinValue(getSize(), isUnsigned()); } }