1/*
2 * Copyright (c) 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 */
24
25package sun.jvm.hotspot.opto;
26
27import java.io.PrintStream;
28import java.util.*;
29import sun.jvm.hotspot.debugger.*;
30import sun.jvm.hotspot.runtime.*;
31import sun.jvm.hotspot.oops.*;
32import sun.jvm.hotspot.types.*;
33
34public class CallNode extends SafePointNode {
35  static {
36    VM.registerVMInitializedObserver(new Observer() {
37        public void update(Observable o, Object data) {
38          initialize(VM.getVM().getTypeDataBase());
39        }
40      });
41  }
42
43  private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
44    Type type      = db.lookupType("CallNode");
45    entryPointField = type.getAddressField("_entry_point");
46  }
47
48  private static AddressField entryPointField;
49
50  public Address entryPoint() {
51    return entryPointField.getValue(getAddress());
52  }
53
54  public CallNode(Address addr) {
55    super(addr);
56  }
57
58  public void dumpSpec(PrintStream out) {
59    out.print(" ");
60    // tf()->dumpOn(st);
61    // if (_cnt != countUnknown)  st->print(" C=%f",_cnt);
62    JVMState jvms = jvms();
63    if (jvms != null)  jvms.dumpSpec(out);
64  }
65}
66