Mercurial > hg > truffle
diff agent/src/share/classes/sun/jvm/hotspot/types/basic/BasicOopField.java @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | ba764ed4b6f2 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/agent/src/share/classes/sun/jvm/hotspot/types/basic/BasicOopField.java Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,55 @@ +/* + * Copyright 2000 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.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 BasicField which represents a field containing + an oop value and which adds typechecked getValue() routines + returning OopHandles. */ + +public class BasicOopField extends BasicField implements OopField { + public BasicOopField(BasicTypeDataBase db, Type containingType, String name, Type type, + boolean isStatic, long offset, Address staticFieldAddress) { + super(db, containingType, name, type, isStatic, offset, staticFieldAddress); + + if (!type.isOopType()) { + throw new WrongTypeException("Type of a BasicOopField must be an oop type"); + } + } + + /** The field must be nonstatic and the type of the field must be a + Java oop, or a WrongTypeException will be thrown. */ + public OopHandle getValue(Address addr) throws UnmappedAddressException, UnalignedAddressException, WrongTypeException { + return getOopHandle(addr); + } + + /** The field must be static and the type of the field must be a + Java oop, or a WrongTypeException will be thrown. */ + public OopHandle getValue() throws UnmappedAddressException, UnalignedAddressException, WrongTypeException { + return getOopHandle(); + } +}