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1   /*
2    * Copyright (c) 2001, 2009, 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   */
24  
25  package sun.jvm.hotspot.code;
26  
27  import java.io.*;
28  
29  public class MonitorValue {
30    private ScopeValue owner;
31    private Location   basicLock;
32    private boolean    eliminated;
33  
34    // FIXME: not useful yet
35    //  MonitorValue(ScopeValue* owner, Location basic_lock);
36  
37    public MonitorValue(DebugInfoReadStream stream) {
38      basicLock = new Location(stream);
39      owner     = ScopeValue.readFrom(stream);
40      eliminated= stream.readBoolean();
41    }
42  
43    public ScopeValue owner()     { return owner; }
44    public Location   basicLock() { return basicLock; }
45    public boolean   eliminated() { return eliminated; }
46  
47    // FIXME: not yet implementable
48    //  void write_on(DebugInfoWriteStream* stream);
49  
50    public void printOn(PrintStream tty) {
51      tty.print("monitor{");
52      owner().printOn(tty);
53      tty.print(",");
54      basicLock().printOn(tty);
55      tty.print("}");
56      if (eliminated) {
57        tty.print(" (eliminated)");
58      }
59    }
60  }