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annotate graal/com.oracle.max.asmdis/src/com/sun/max/asm/dis/DisassembledLabel.java @ 3733:e233f5660da4

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Added Java files from Maxine project.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Sat, 17 Dec 2011 19:59:18 +0100
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3733
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1 /*
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2 * Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.sun.max.asm.dis;
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24
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25 import com.sun.max.asm.gen.*;
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26
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27 /**
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28 * A label for an absolute address.
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29 */
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30 public class DisassembledLabel {
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31
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32 private final DisassembledObject disassembledObject;
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33 private final ImmediateArgument address;
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34
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35 public DisassembledLabel(Object addressOrDisassembledObject, String name) {
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36 if (addressOrDisassembledObject instanceof ImmediateArgument) {
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37 address = (ImmediateArgument) addressOrDisassembledObject;
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38 disassembledObject = null;
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39 } else {
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40 address = null;
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41 disassembledObject = (DisassembledObject) addressOrDisassembledObject;
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42 }
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43 this.name = name;
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44 }
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45
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46 private final String name;
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47
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48 public String name() {
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49 return name;
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50 }
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51
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52 /**
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53 * Gets the disassembled object (if any) denoted by this label.
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54 */
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55 public DisassembledObject target() {
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56 return disassembledObject;
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57 }
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58
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59 public ImmediateArgument address() {
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60 return disassembledObject != null ? disassembledObject.startAddress() : address;
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61 }
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62 }