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comparison graal/com.oracle.max.graal.nodes/src/com/oracle/max/graal/nodes/java/AccessMonitorNode.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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children fa53d5e4aa35
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3732:3e2e8b8abdaf 3733:e233f5660da4
1 /*
2 * Copyright (c) 2009, 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.oracle.max.graal.nodes.java;
24
25 import com.oracle.max.graal.nodes.*;
26 import com.oracle.max.graal.nodes.extended.*;
27 import com.oracle.max.graal.nodes.type.*;
28
29 /**
30 * The {@code AccessMonitorNode} is the base class of both monitor acquisition and release.
31 */
32 public abstract class AccessMonitorNode extends AbstractStateSplit implements MemoryCheckpoint {
33
34 @Input private MonitorObject object;
35
36 public MonitorObject object() {
37 return object;
38 }
39
40 /**
41 * Creates a new AccessMonitor instruction.
42 *
43 * @param object the instruction producing the object
44 */
45 public AccessMonitorNode(MonitorObject object) {
46 super(StampFactory.illegal());
47 this.object = object;
48 }
49 }