Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/runtime/JavaVFrame.java @ 1552:c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair
| author | trims |
|---|---|
| date | Thu, 27 May 2010 19:08:38 -0700 |
| parents | a61af66fc99e |
| children | 7588156f5cf9 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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6941466: Oracle rebranding changes for Hotspot repositories
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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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6941466: Oracle rebranding changes for Hotspot repositories
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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20 * or visit www.oracle.com if you need additional information or have any |
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6941466: Oracle rebranding changes for Hotspot repositories
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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 | |
| 131 if (! getFrame().getFP().equals(other.getFrame().getFP())) { | |
| 132 return false; | |
| 133 } | |
| 134 return true; | |
| 135 } | |
| 136 | |
| 137 public int hashCode() { | |
| 138 return getMethod().hashCode() ^ getBCI() ^ getFrame().getFP().hashCode(); | |
| 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 } |