View Javadoc
1   /*
2    * Copyright (c) 2011, 2012, 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.opto;
26  
27  import java.util.*;
28  import sun.jvm.hotspot.ci.*;
29  import sun.jvm.hotspot.debugger.*;
30  import sun.jvm.hotspot.runtime.*;
31  import sun.jvm.hotspot.oops.*;
32  import sun.jvm.hotspot.types.*;
33  
34  public class Compile extends VMObject {
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("Compile");
45      rootField = type.getAddressField("_root");
46      uniqueField = new CIntField(type.getCIntegerField("_unique"), 0);
47      entryBciField = new CIntField(type.getCIntegerField("_entry_bci"), 0);
48      topField = type.getAddressField("_top");
49      cfgField = type.getAddressField("_cfg");
50      regallocField = type.getAddressField("_regalloc");
51      methodField = type.getAddressField("_method");
52      iltField = type.getAddressField("_ilt");
53    }
54  
55    private static AddressField rootField;
56    private static CIntField uniqueField;
57    private static CIntField entryBciField;
58    private static AddressField topField;
59    private static AddressField cfgField;
60    private static AddressField regallocField;
61    private static AddressField methodField;
62    private static AddressField iltField;
63  
64    public Compile(Address addr) {
65      super(addr);
66    }
67  
68    public Node root() {
69      return new RootNode(rootField.getValue(this.getAddress()));
70    }
71  
72    public int entryBci() {
73      return (int)entryBciField.getValue(getAddress());
74    }
75  
76    public ciMethod method() {
77      return (ciMethod) ciObjectFactory.getMetadata(methodField.getValue(getAddress()));
78    }
79  
80    public PhaseCFG cfg() {
81      Address a = cfgField.getValue(this.getAddress());
82      if (a != null) {
83        return new PhaseCFG(a);
84      }
85      return null;
86    }
87  
88    public InlineTree ilt() {
89      Address a = iltField.getValue(this.getAddress());
90      if (a != null) {
91        return new InlineTree(a);
92      }
93      return null;
94    }
95  }