OverlappingCellVisitor.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
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package com.sun.max.vm.heap;

import com.sun.max.unsafe.*;

/**
 * Interface for visiting a cell that overlap a region.
 *
 */
public interface OverlappingCellVisitor {
    /**
     * Apply a visitor to a cell that overlaps a region of memory.
     * @param cell Pointer to the first word of the cell to be visited
     * @param start start of the region overlapping with the cell
     * @param end end of the region overlapping with the cell
     * @return the adjacent next cell or {@link Pointer#zero()} to terminate the visit.
     */
    Pointer visitCell(Pointer cell, Address start, Address end);
}