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comparison agent/src/share/classes/sun/jvm/hotspot/opto/InlineTree.java @ 3939:f6f3bb0ee072

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7088955: add C2 IR support to the SA Reviewed-by: kvn
author never
date Sun, 11 Sep 2011 14:48:24 -0700
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children da91efe96a93
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3938:e6b1331a51d2 3939:f6f3bb0ee072
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.ci.*;
30 import sun.jvm.hotspot.debugger.*;
31 import sun.jvm.hotspot.runtime.*;
32 import sun.jvm.hotspot.oops.*;
33 import sun.jvm.hotspot.utilities.GrowableArray;
34 import sun.jvm.hotspot.types.*;
35
36 public class InlineTree extends VMObject {
37 static {
38 VM.registerVMInitializedObserver(new Observer() {
39 public void update(Observable o, Object data) {
40 initialize(VM.getVM().getTypeDataBase());
41 }
42 });
43 }
44
45 private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
46 Type type = db.lookupType("InlineTree");
47 callerJvmsField = type.getAddressField("_caller_jvms");
48 methodField = type.getAddressField("_method");
49 callerTreeField = type.getAddressField("_caller_tree");
50 subtreesField = type.getAddressField("_subtrees");
51 }
52
53 private static AddressField callerJvmsField;
54 private static AddressField methodField;
55 private static AddressField callerTreeField;
56 private static AddressField subtreesField;
57
58 private static StaticBaseConstructor inlineTreeConstructor = new StaticBaseConstructor<InlineTree>(InlineTree.class);
59
60 public InlineTree(Address addr) {
61 super(addr);
62 }
63
64 public InlineTree callerTree() {
65 Address addr = callerTreeField.getValue(getAddress());
66 if (addr == null) return null;
67
68 return new InlineTree(addr);
69 }
70
71 public ciMethod method() {
72 return (ciMethod) ciObjectFactory.get(methodField.getValue(getAddress()));
73 }
74
75 public JVMState callerJvms() {
76 return JVMState.create(callerJvmsField.getValue(getAddress()));
77 }
78
79 public int callerBci() {
80 JVMState jvms = callerJvms();
81 return (jvms != null) ? jvms.bci() : -1;
82 }
83
84 public GrowableArray<InlineTree> subtrees() {
85 Address addr = getAddress().addOffsetTo(subtreesField.getOffset());
86
87 return GrowableArray.create(addr, inlineTreeConstructor);
88 }
89
90 public void printImpl(PrintStream st, int indent) {
91 for (int i = 0; i < indent; i++) st.print(" ");
92 st.printf(" @ %d ", callerBci());
93 method().printShortName(st);
94 st.println();
95
96 GrowableArray<InlineTree> subt = subtrees();
97 for (int i = 0 ; i < subt.length(); i++) {
98 subt.at(i).printImpl(st, indent + 2);
99 }
100 }
101 public void print(PrintStream st) {
102 printImpl(st, 2);
103 }
104 }