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comparison 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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3732:3e2e8b8abdaf 3733:e233f5660da4
1 /*
2 * Copyright (c) 2007, 2011, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package com.sun.max.asm.dis;
24
25 import com.sun.max.asm.gen.*;
26
27 /**
28 * A label for an absolute address.
29 */
30 public class DisassembledLabel {
31
32 private final DisassembledObject disassembledObject;
33 private final ImmediateArgument address;
34
35 public DisassembledLabel(Object addressOrDisassembledObject, String name) {
36 if (addressOrDisassembledObject instanceof ImmediateArgument) {
37 address = (ImmediateArgument) addressOrDisassembledObject;
38 disassembledObject = null;
39 } else {
40 address = null;
41 disassembledObject = (DisassembledObject) addressOrDisassembledObject;
42 }
43 this.name = name;
44 }
45
46 private final String name;
47
48 public String name() {
49 return name;
50 }
51
52 /**
53 * Gets the disassembled object (if any) denoted by this label.
54 */
55 public DisassembledObject target() {
56 return disassembledObject;
57 }
58
59 public ImmediateArgument address() {
60 return disassembledObject != null ? disassembledObject.startAddress() : address;
61 }
62 }