Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/runtime/JavaVFrame.java @ 8031:927a311d00f9
8007320: NPG: move method annotations
Summary: allocate method annotations and attach to ConstMethod if present
Reviewed-by: dcubed, jiangli, sspitsyn, iklam
author | coleenp |
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date | Mon, 11 Feb 2013 14:06:22 -0500 |
parents | 7588156f5cf9 |
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rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 2000, 2007, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 package sun.jvm.hotspot.runtime; | |
26 | |
27 import java.io.*; | |
28 import java.util.*; | |
29 import sun.jvm.hotspot.oops.*; | |
30 import sun.jvm.hotspot.utilities.*; | |
31 | |
32 public abstract class JavaVFrame extends VFrame { | |
33 /** JVM state */ | |
34 public abstract Method getMethod(); | |
35 public abstract int getBCI(); | |
36 public abstract StackValueCollection getLocals(); | |
37 public abstract StackValueCollection getExpressions(); | |
38 public abstract List getMonitors(); // List<MonitorInfo> | |
39 | |
40 /** Test operation */ | |
41 public boolean isJavaFrame() { return true; } | |
42 | |
43 /** Package-internal constructor */ | |
44 JavaVFrame(Frame fr, RegisterMap regMap, JavaThread thread) { | |
45 super(fr, regMap, thread); | |
46 } | |
47 | |
48 /** Get monitor (if any) that this JavaVFrame is trying to enter */ | |
49 // FIXME: not yet implemented | |
50 // public Address getPendingMonitor(int frameCount); | |
51 | |
52 /** Printing used during stack dumps */ | |
53 // FIXME: not yet implemented | |
54 // void print_lock_info(int frame_count); | |
55 | |
56 /** Printing operations */ | |
57 | |
58 // | |
59 // FIXME: implement visitor pattern for traversing vframe contents? | |
60 // | |
61 | |
62 public void print() { | |
63 printOn(System.out); | |
64 } | |
65 | |
66 public void printOn(PrintStream tty) { | |
67 super.printOn(tty); | |
68 | |
69 tty.print("\t"); | |
70 getMethod().printValueOn(tty); | |
71 tty.println(); | |
72 tty.println("\tbci:\t" + getBCI()); | |
73 | |
74 printStackValuesOn(tty, "locals", getLocals()); | |
75 printStackValuesOn(tty, "expressions", getExpressions()); | |
76 | |
77 // List<MonitorInfo> | |
78 // FIXME: not yet implemented | |
79 // List list = getMonitors(); | |
80 // if (list.isEmpty()) { | |
81 // return; | |
82 // } | |
83 // for (int index = 0; index < list.size(); index++) { | |
84 // MonitorInfo monitor = (MonitorInfo) list.get(index); | |
85 // tty.print("\t obj\t"); | |
86 // monitor.getOwner().printValueOn(tty); | |
87 // tty.println(); | |
88 // tty.print("\t "); | |
89 // monitor.lock().printOn(tty); | |
90 // tty.println(); | |
91 // } | |
92 } | |
93 | |
94 public void printActivation(int index) { | |
95 printActivationOn(System.out, index); | |
96 } | |
97 | |
98 public void printActivationOn(PrintStream tty, int index) { | |
99 // frame number and method | |
100 tty.print(index + " - "); | |
101 printValueOn(tty); | |
102 tty.println(); | |
103 | |
104 if (VM.getVM().wizardMode()) { | |
105 printOn(tty); | |
106 tty.println(); | |
107 } | |
108 } | |
109 | |
110 /** Verification operations */ | |
111 public void verify() { | |
112 } | |
113 | |
114 public boolean equals(Object o) { | |
115 if (o == null || !(o instanceof JavaVFrame)) { | |
116 return false; | |
117 } | |
118 | |
119 JavaVFrame other = (JavaVFrame) o; | |
120 | |
121 // Check static part | |
122 if (!getMethod().equals(other.getMethod())) { | |
123 return false; | |
124 } | |
125 | |
126 if (getBCI() != other.getBCI()) { | |
127 return false; | |
128 } | |
129 | |
130 // dynamic part - we just compare the frame pointer | |
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131 if (! getFrame().equals(other.getFrame())) { |
0 | 132 return false; |
133 } | |
134 return true; | |
135 } | |
136 | |
137 public int hashCode() { | |
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138 return getMethod().hashCode() ^ getBCI() ^ getFrame().hashCode(); |
0 | 139 } |
140 | |
141 /** Structural compare */ | |
142 public boolean structuralCompare(JavaVFrame other) { | |
143 // Check static part | |
144 if (!getMethod().equals(other.getMethod())) { | |
145 return false; | |
146 } | |
147 | |
148 if (getBCI() != other.getBCI()) { | |
149 return false; | |
150 } | |
151 | |
152 // Check locals | |
153 StackValueCollection locs = getLocals(); | |
154 StackValueCollection otherLocs = other.getLocals(); | |
155 if (Assert.ASSERTS_ENABLED) { | |
156 Assert.that(locs.size() == otherLocs.size(), "sanity check"); | |
157 } | |
158 for (int i = 0; i < locs.size(); i++) { | |
159 // it might happen the compiler reports a conflict and | |
160 // the interpreter reports a bogus int. | |
161 if ( isCompiledFrame() && (locs.get(i)).getType() == BasicType.getTConflict()) continue; | |
162 if (other.isCompiledFrame() && (otherLocs.get(i)).getType() == BasicType.getTConflict()) continue; | |
163 | |
164 if (!locs.get(i).equals(otherLocs.get(i))) { | |
165 return false; | |
166 } | |
167 } | |
168 | |
169 // Check expressions | |
170 StackValueCollection exprs = getExpressions(); | |
171 StackValueCollection otherExprs = other.getExpressions(); | |
172 if (Assert.ASSERTS_ENABLED) { | |
173 Assert.that(exprs.size() == otherExprs.size(), "sanity check"); | |
174 } | |
175 for (int i = 0; i < exprs.size(); i++) { | |
176 if (!exprs.get(i).equals(otherExprs.get(i))) { | |
177 return false; | |
178 } | |
179 } | |
180 | |
181 return true; | |
182 } | |
183 | |
184 //-------------------------------------------------------------------------------- | |
185 // Internals only below this point | |
186 // | |
187 | |
188 private void printStackValuesOn(PrintStream tty, String title, StackValueCollection values) { | |
189 if (values.isEmpty()) { | |
190 return; | |
191 } | |
192 tty.println("\t" + title + ":"); | |
193 for (int index = 0; index < values.size(); index++) { | |
194 tty.print("\t" + index + "\t"); | |
195 values.get(index).printOn(tty); | |
196 tty.println(); | |
197 } | |
198 } | |
199 } |