001    /*
002     *  This file is part of the Jikes RVM project (http://jikesrvm.org).
003     *
004     *  This file is licensed to You under the Eclipse Public License (EPL);
005     *  You may not use this file except in compliance with the License. You
006     *  may obtain a copy of the License at
007     *
008     *      http://www.opensource.org/licenses/eclipse-1.0.php
009     *
010     *  See the COPYRIGHT.txt file distributed with this work for information
011     *  regarding copyright ownership.
012     */
013    package org.mmtk.utility.alloc;
014    
015    import org.vmmagic.unboxed.*;
016    import org.vmmagic.pragma.*;
017    
018    /**
019     * Callbacks from BumpPointer during a linear scan are dispatched through
020     * a subclass of this object.
021     */
022    @Uninterruptible
023    public abstract class LinearScan {
024      /**
025       * Scan an object.
026       *
027       * @param object The object to scan
028       */
029      public abstract void scan(ObjectReference object);
030    }