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.vmmagic.unboxed;
014    
015    import org.vmmagic.Unboxed;
016    import org.vmmagic.pragma.RawStorage;
017    
018    /**
019     * Represents a pointer-sized signed integer used for describing an offset in bytes.
020     * Can be used to refer to a field in a type-unsafe way.
021     */
022    @Unboxed
023    @RawStorage(lengthInWords = true, length = 1)
024    public final class Offset {
025    
026      public static Offset fromIntSignExtend(int address) {
027        return null;
028      }
029    
030      public static Offset fromIntZeroExtend(int address) {
031        return null;
032      }
033    
034      public static Offset zero() {
035        return null;
036      }
037    
038      public static Offset max() {
039        return null;
040      }
041    
042      public int toInt() {
043        return 0;
044      }
045    
046      public long toLong() {
047        return 0L;
048      }
049    
050      public Word toWord() {
051        return null;
052      }
053    
054      public Offset plus(int byteSize) {
055        return null;
056      }
057    
058      public Offset minus(int byteSize) {
059        return null;
060      }
061    
062      public Offset minus(Offset off2) {
063        return null;
064      }
065    
066      public boolean EQ(Offset off2) {
067        return false;
068      }
069    
070      public boolean NE(Offset off2) {
071        return false;
072      }
073    
074      public boolean sLT(Offset off2) {
075        return false;
076      }
077    
078      public boolean sLE(Offset off2) {
079        return false;
080      }
081    
082      public boolean sGT(Offset off2) {
083        return false;
084      }
085    
086      public boolean sGE(Offset off2) {
087        return false;
088      }
089    
090      public boolean isZero() {
091        return false;
092      }
093    
094      public boolean isMax() {
095        return false;
096      }
097    }
098