1 /*

     2  * Copyright 2008 Sun Microsystems, Inc.  All Rights Reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  *

    23  */

    24 

    25 package sun.jvm.hotspot.types;

    26 

    27 import sun.jvm.hotspot.debugger.*;

    28 

    29 /** A specialization of Field which represents a field containing an

    30     narrow oop value and which adds typechecked getValue() routines returning

    31     OopHandles. */

    32 

    33 public interface NarrowOopField extends OopField {

    34   /** The field must be nonstatic and the type of the field must be an

    35       oop type, or a WrongTypeException will be thrown. */

    36   public OopHandle getValue(Address addr)     throws UnmappedAddressException, UnalignedAddressException, WrongTypeException;

    37 

    38   /** The field must be static and the type of the field must be an

    39       oop type, or a WrongTypeException will be thrown. */

    40   public OopHandle getValue()                 throws UnmappedAddressException, UnalignedAddressException, WrongTypeException;

    41 }