|
3939
|
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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
|
|
|
20 * CA 95054 USA or visit www.sun.com if you need additional information or
|
|
|
21 * have any questions.
|
|
|
22 *
|
|
|
23 */
|
|
|
24
|
|
|
25 package sun.jvm.hotspot.opto;
|
|
|
26
|
|
|
27 import java.util.*;
|
|
|
28 import java.io.PrintStream;
|
|
|
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 Block 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("Block");
|
|
|
45 nodesField = type.getAddressField("_nodes");
|
|
|
46 succsField = type.getAddressField("_succs");
|
|
|
47 numSuccsField = new CIntField(type.getCIntegerField("_num_succs"), 0);
|
|
|
48 preOrderField = new CIntField(type.getCIntegerField("_pre_order"), 0);
|
|
|
49 domDepthField = new CIntField(type.getCIntegerField("_dom_depth"), 0);
|
|
|
50 idomField = type.getAddressField("_idom");
|
|
|
51 freqField = type.getJFloatField("_freq");
|
|
|
52 }
|
|
|
53
|
|
|
54 private static AddressField nodesField;
|
|
|
55 private static AddressField succsField;
|
|
|
56 private static CIntField numSuccsField;
|
|
|
57 private static CIntField preOrderField;
|
|
|
58 private static CIntField domDepthField;
|
|
|
59 private static AddressField idomField;
|
|
|
60 private static JFloatField freqField;
|
|
|
61
|
|
|
62 public Block(Address addr) {
|
|
|
63 super(addr);
|
|
|
64 }
|
|
|
65
|
|
|
66 public int preOrder() {
|
|
|
67 return (int)preOrderField.getValue(getAddress());
|
|
|
68 }
|
|
|
69
|
|
|
70 public float freq() {
|
|
|
71 return (float)freqField.getValue(getAddress());
|
|
|
72 }
|
|
|
73
|
|
|
74 public Node_List nodes() {
|
|
|
75 return new Node_List(getAddress().addOffsetTo(nodesField.getOffset()));
|
|
|
76 }
|
|
|
77
|
|
|
78 public void dump(PrintStream out) {
|
|
|
79 out.print("B" + preOrder());
|
|
|
80 out.print(" Freq: " + freq());
|
|
|
81 out.println();
|
|
|
82 Node_List nl = nodes();
|
|
|
83 int cnt = nl.size();
|
|
|
84 for( int i=0; i<cnt; i++ )
|
|
|
85 nl.at(i).dump(out);
|
|
|
86 out.print("\n");
|
|
|
87 }
|
|
|
88 }
|
