Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/utilities/soql/JSJavaThread.java @ 818:b109e761e927
6837472: com/sun/jdi/MonitorFrameInfo.java fails with AggressiveOpts in 6u14
Summary: Disable escape analysis when jvmti/debugger is used. Add support for EA ibto SA.
Reviewed-by: never
| author | kvn |
|---|---|
| date | Tue, 09 Jun 2009 16:19:10 -0700 |
| parents | a61af66fc99e |
| children | bd02caa94611 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 * Copyright 2004-2007 Sun Microsystems, Inc. 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.utilities.soql; | |
| 26 | |
| 27 import java.util.*; | |
| 28 import sun.jvm.hotspot.debugger.*; | |
| 29 import sun.jvm.hotspot.oops.*; | |
| 30 import sun.jvm.hotspot.runtime.*; | |
| 31 | |
| 32 /** | |
| 33 * Wraps a JavaThread instance in the target VM. | |
| 34 */ | |
| 35 public class JSJavaThread extends JSJavaInstance { | |
| 36 public JSJavaThread(Instance threadOop, JSJavaFactory fac) { | |
| 37 super(threadOop, fac); | |
| 38 // JavaThread retrieved from java.lang.Thread instance may be null. | |
| 39 // This is the case for threads not-started and for zombies. Wherever | |
| 40 // appropriate, check for null instead of resulting in NullPointerException. | |
| 41 this.jthread = OopUtilities.threadOopGetJavaThread(threadOop); | |
| 42 } | |
| 43 | |
| 44 public JSJavaThread(JavaThread jt, JSJavaFactory fac) { | |
| 45 super((Instance) jt.getThreadObj(), fac); | |
| 46 this.jthread = jt; | |
| 47 } | |
| 48 | |
| 49 public String toString() { | |
| 50 String name = getName(); | |
| 51 StringBuffer buf = new StringBuffer(); | |
| 52 buf.append("Thread (address="); | |
| 53 buf.append(getOop().getHandle()); | |
| 54 buf.append(", name="); | |
| 55 if (name != null) { | |
| 56 buf.append(name); | |
| 57 } else { | |
| 58 buf.append("<unnamed>"); | |
| 59 } | |
| 60 buf.append(')'); | |
| 61 return buf.toString(); | |
| 62 } | |
| 63 | |
| 64 protected Object getFieldValue(String name) { | |
| 65 if (name.equals("name")) { | |
| 66 return getName(); | |
| 67 } else if (name.equals("frames")) { | |
| 68 return getFrames(); | |
| 69 } else if (name.equals("monitors")) { | |
| 70 return getOwnedMonitors(); | |
| 71 } else { | |
| 72 return super.getFieldValue(name); | |
| 73 } | |
| 74 } | |
| 75 | |
| 76 protected String[] getFieldNames() { | |
| 77 String[] flds = super.getFieldNames(); | |
| 78 String[] res = new String[flds.length + 2]; | |
| 79 System.arraycopy(flds, 0, res, 0, flds.length); | |
| 80 res[flds.length] = "frames"; | |
| 81 res[flds.length + 1] = "monitors"; | |
| 82 return res; | |
| 83 } | |
| 84 | |
| 85 protected boolean hasField(String name) { | |
| 86 if (name.equals("frames") || name.equals("monitors")) { | |
| 87 return true; | |
| 88 } else { | |
| 89 return super.hasField(name); | |
| 90 } | |
| 91 } | |
| 92 | |
| 93 //-- Internals only below this point | |
| 94 private String getName() { | |
| 95 return OopUtilities.threadOopGetName(getOop()); | |
| 96 } | |
| 97 | |
| 98 private synchronized JSList getFrames() { | |
| 99 if (framesCache == null) { | |
| 100 final List list = new ArrayList(0); | |
| 101 if (jthread != null) { | |
| 102 JavaVFrame jvf = jthread.getLastJavaVFrameDbg(); | |
| 103 while (jvf != null) { | |
| 104 list.add(jvf); | |
| 105 jvf = jvf.javaSender(); | |
| 106 } | |
| 107 } | |
| 108 framesCache = factory.newJSList(list); | |
| 109 } | |
| 110 return framesCache; | |
| 111 } | |
| 112 | |
| 113 private synchronized JSList getOwnedMonitors() { | |
| 114 if (monitorsCache == null) { | |
| 115 final List ownedMonitors = new ArrayList(0); | |
| 116 if (jthread != null) { | |
| 117 List lockedObjects = new ArrayList(); // List<OopHandle> | |
| 118 | |
| 119 ObjectMonitor waitingMonitor = jthread.getCurrentWaitingMonitor(); | |
| 120 OopHandle waitingObj = null; | |
| 121 if (waitingMonitor != null) { | |
| 122 // save object of current wait() call (if any) for later comparison | |
| 123 waitingObj = waitingMonitor.object(); | |
| 124 } | |
| 125 | |
| 126 ObjectMonitor pendingMonitor = jthread.getCurrentPendingMonitor(); | |
| 127 OopHandle pendingObj = null; | |
| 128 if (pendingMonitor != null) { | |
| 129 // save object of current enter() call (if any) for later comparison | |
| 130 pendingObj = pendingMonitor.object(); | |
| 131 } | |
| 132 | |
| 133 JavaVFrame frame = jthread.getLastJavaVFrameDbg(); | |
| 134 while (frame != null) { | |
| 135 List frameMonitors = frame.getMonitors(); // List<MonitorInfo> | |
| 136 for (Iterator miItr = frameMonitors.iterator(); miItr.hasNext(); ) { | |
| 137 MonitorInfo mi = (MonitorInfo) miItr.next(); | |
|
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b109e761e927
6837472: com/sun/jdi/MonitorFrameInfo.java fails with AggressiveOpts in 6u14
kvn
parents:
0
diff
changeset
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138 |
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b109e761e927
6837472: com/sun/jdi/MonitorFrameInfo.java fails with AggressiveOpts in 6u14
kvn
parents:
0
diff
changeset
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139 if (mi.eliminated() && frame.isCompiledFrame()) { |
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b109e761e927
6837472: com/sun/jdi/MonitorFrameInfo.java fails with AggressiveOpts in 6u14
kvn
parents:
0
diff
changeset
|
140 continue; // skip eliminated monitor |
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b109e761e927
6837472: com/sun/jdi/MonitorFrameInfo.java fails with AggressiveOpts in 6u14
kvn
parents:
0
diff
changeset
|
141 } |
| 0 | 142 OopHandle obj = mi.owner(); |
| 143 if (obj == null) { | |
| 144 // this monitor doesn't have an owning object so skip it | |
| 145 continue; | |
| 146 } | |
| 147 | |
| 148 if (obj.equals(waitingObj)) { | |
| 149 // the thread is waiting on this monitor so it isn't really owned | |
| 150 continue; | |
| 151 } | |
| 152 | |
| 153 if (obj.equals(pendingObj)) { | |
| 154 // the thread is pending on this monitor so it isn't really owned | |
| 155 continue; | |
| 156 } | |
| 157 | |
| 158 boolean found = false; | |
| 159 for (Iterator loItr = lockedObjects.iterator(); loItr.hasNext(); ) { | |
| 160 // check for recursive locks | |
| 161 if (obj.equals(loItr.next())) { | |
| 162 found = true; | |
| 163 break; | |
| 164 } | |
| 165 } | |
| 166 if (found) { | |
| 167 // already have this object so don't include it | |
| 168 continue; | |
| 169 } | |
| 170 // add the owning object to our list | |
| 171 lockedObjects.add(obj); | |
| 172 } | |
| 173 frame = (JavaVFrame) frame.javaSender(); | |
| 174 } | |
| 175 | |
| 176 // now convert List<OopHandle> to List<Oop> | |
| 177 ObjectHeap heap = VM.getVM().getObjectHeap(); | |
| 178 for (Iterator loItr = lockedObjects.iterator(); loItr.hasNext(); ) { | |
| 179 ownedMonitors.add(heap.newOop((OopHandle)loItr.next())); | |
| 180 } | |
| 181 } | |
| 182 monitorsCache = factory.newJSList(ownedMonitors); | |
| 183 } | |
| 184 return monitorsCache; | |
| 185 } | |
| 186 | |
| 187 private JavaThread jthread; | |
| 188 private JSList framesCache; | |
| 189 private JSList monitorsCache; | |
| 190 } |