10547
|
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 |
*
|
14847
|
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.
|
10547
|
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 |
}
|