Mercurial > hg > graal-compiler
annotate agent/src/share/classes/sun/jvm/hotspot/jdi/ThreadReferenceImpl.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 2002-2005 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.jdi; | |
| 26 | |
| 27 import sun.jvm.hotspot.debugger.OopHandle; | |
| 28 import sun.jvm.hotspot.runtime.VMObject; | |
| 29 import sun.jvm.hotspot.runtime.JavaThread; | |
| 30 import sun.jvm.hotspot.runtime.OSThread; | |
| 31 //import sun.jvm.hotspot.runtime.StackFrameStream; | |
| 32 import sun.jvm.hotspot.runtime.JavaVFrame; | |
| 33 import sun.jvm.hotspot.runtime.JavaThreadState; | |
| 34 import sun.jvm.hotspot.runtime.MonitorInfo; | |
| 35 import sun.jvm.hotspot.runtime.ObjectMonitor; | |
| 36 import sun.jvm.hotspot.oops.Oop; | |
| 37 import sun.jvm.hotspot.oops.ObjectHeap; | |
| 38 import sun.jvm.hotspot.oops.Instance; | |
| 39 import sun.jvm.hotspot.oops.OopUtilities; | |
| 40 import sun.jvm.hotspot.oops.Klass; | |
| 41 import sun.jvm.hotspot.utilities.Assert; | |
| 42 import com.sun.jdi.*; | |
| 43 import java.util.*; | |
| 44 | |
| 45 public class ThreadReferenceImpl extends ObjectReferenceImpl | |
| 46 implements ThreadReference, /* imports */ JVMTIThreadState { | |
| 47 | |
| 48 private JavaThread myJavaThread; | |
| 49 private ArrayList frames; // StackFrames | |
| 50 private List ownedMonitors; // List<ObjectReferenceImpl> | |
| 51 private List ownedMonitorsInfo; // List<MonitorInfo> | |
| 52 private ObjectReferenceImpl currentContendingMonitor; | |
| 53 | |
| 54 ThreadReferenceImpl(VirtualMachine aVm, sun.jvm.hotspot.runtime.JavaThread aRef) { | |
| 55 // We are given a JavaThread and save it in our myJavaThread field. | |
| 56 // But, our parent class is an ObjectReferenceImpl so we need an Oop | |
| 57 // for it. JavaThread is a wrapper around a Thread Oop so we get | |
| 58 // that Oop and give it to our super. | |
| 59 // We can get it back again by calling ref(). | |
| 60 super(aVm, (Instance)aRef.getThreadObj()); | |
| 61 myJavaThread = aRef; | |
| 62 } | |
| 63 | |
| 64 ThreadReferenceImpl(VirtualMachine vm, Instance oRef) { | |
| 65 // Instance must be of type java.lang.Thread | |
| 66 super(vm, oRef); | |
| 67 | |
| 68 // JavaThread retrieved from java.lang.Thread instance may be null. | |
| 69 // This is the case for threads not-started and for zombies. Wherever | |
| 70 // appropriate, check for null instead of resulting in NullPointerException. | |
| 71 myJavaThread = OopUtilities.threadOopGetJavaThread(oRef); | |
| 72 } | |
| 73 | |
| 74 // return value may be null. refer to the comment in constructor. | |
| 75 JavaThread getJavaThread() { | |
| 76 return myJavaThread; | |
| 77 } | |
| 78 | |
| 79 protected String description() { | |
| 80 return "ThreadReference " + uniqueID(); | |
| 81 } | |
| 82 | |
| 83 /** | |
| 84 * Note that we only cache the name string while suspended because | |
| 85 * it can change via Thread.setName arbitrarily | |
| 86 */ | |
| 87 public String name() { | |
| 88 return OopUtilities.threadOopGetName(ref()); | |
| 89 } | |
| 90 | |
| 91 public void suspend() { | |
| 92 vm.throwNotReadOnlyException("ThreadReference.suspend()"); | |
| 93 } | |
| 94 | |
| 95 public void resume() { | |
| 96 vm.throwNotReadOnlyException("ThreadReference.resume()"); | |
| 97 } | |
| 98 | |
| 99 public int suspendCount() { | |
| 100 // all threads are "suspended" when we attach to process or core. | |
| 101 // we interpret this as one suspend. | |
| 102 return 1; | |
| 103 } | |
| 104 | |
| 105 public void stop(ObjectReference throwable) throws InvalidTypeException { | |
| 106 vm.throwNotReadOnlyException("ThreadReference.stop()"); | |
| 107 } | |
| 108 | |
| 109 public void interrupt() { | |
| 110 vm.throwNotReadOnlyException("ThreadReference.interrupt()"); | |
| 111 } | |
| 112 | |
| 113 // refer to jvmtiEnv::GetThreadState | |
| 114 private int jvmtiGetThreadState() { | |
| 115 // get most state bits | |
| 116 int state = OopUtilities.threadOopGetThreadStatus(ref()); | |
| 117 // add more state bits | |
| 118 if (myJavaThread != null) { | |
| 119 JavaThreadState jts = myJavaThread.getThreadState(); | |
| 120 if (myJavaThread.isBeingExtSuspended()) { | |
| 121 state |= JVMTI_THREAD_STATE_SUSPENDED; | |
| 122 } | |
| 123 if (jts == JavaThreadState.IN_NATIVE) { | |
| 124 state |= JVMTI_THREAD_STATE_IN_NATIVE; | |
| 125 } | |
| 126 OSThread osThread = myJavaThread.getOSThread(); | |
| 127 if (osThread != null && osThread.interrupted()) { | |
| 128 state |= JVMTI_THREAD_STATE_INTERRUPTED; | |
| 129 } | |
| 130 } | |
| 131 return state; | |
| 132 } | |
| 133 | |
| 134 public int status() { | |
| 135 int state = jvmtiGetThreadState(); | |
| 136 int status = THREAD_STATUS_UNKNOWN; | |
| 137 // refer to map2jdwpThreadStatus in util.c (back-end) | |
| 138 if (! ((state & JVMTI_THREAD_STATE_ALIVE) != 0) ) { | |
| 139 if ((state & JVMTI_THREAD_STATE_TERMINATED) != 0) { | |
| 140 status = THREAD_STATUS_ZOMBIE; | |
| 141 } else { | |
| 142 status = THREAD_STATUS_NOT_STARTED; | |
| 143 } | |
| 144 } else { | |
| 145 if ((state & JVMTI_THREAD_STATE_SLEEPING) != 0) { | |
| 146 status = THREAD_STATUS_SLEEPING; | |
| 147 } else if ((state & JVMTI_THREAD_STATE_BLOCKED_ON_MONITOR_ENTER) != 0) { | |
| 148 status = THREAD_STATUS_MONITOR; | |
| 149 } else if ((state & JVMTI_THREAD_STATE_WAITING) != 0) { | |
| 150 status = THREAD_STATUS_WAIT; | |
| 151 } else if ((state & JVMTI_THREAD_STATE_RUNNABLE) != 0) { | |
| 152 status = THREAD_STATUS_RUNNING; | |
| 153 } | |
| 154 } | |
| 155 return status; | |
| 156 } | |
| 157 | |
| 158 public boolean isSuspended() { //fixme jjh | |
| 159 // If we want to support doing this for a VM which was being | |
| 160 // debugged, then we need to fix this. | |
| 161 // In the meantime, we will say all threads are suspended, | |
| 162 // otherwise, some things won't work, like the jdb 'up' cmd. | |
| 163 return true; | |
| 164 } | |
| 165 | |
| 166 public boolean isAtBreakpoint() { //fixme jjh | |
| 167 // If we want to support doing this for a VM which was being | |
| 168 // debugged, then we need to fix this. | |
| 169 return false; | |
| 170 } | |
| 171 | |
| 172 public ThreadGroupReference threadGroup() { | |
| 173 return (ThreadGroupReferenceImpl)vm.threadGroupMirror( | |
| 174 (Instance)OopUtilities.threadOopGetThreadGroup(ref())); | |
| 175 } | |
| 176 | |
| 177 public int frameCount() throws IncompatibleThreadStateException { //fixme jjh | |
| 178 privateFrames(0, -1); | |
| 179 return frames.size(); | |
| 180 } | |
| 181 | |
| 182 public List frames() throws IncompatibleThreadStateException { | |
| 183 return privateFrames(0, -1); | |
| 184 } | |
| 185 | |
| 186 public StackFrame frame(int index) throws IncompatibleThreadStateException { | |
| 187 List list = privateFrames(index, 1); | |
| 188 return (StackFrame)list.get(0); | |
| 189 } | |
| 190 | |
| 191 public List frames(int start, int length) | |
| 192 throws IncompatibleThreadStateException { | |
| 193 if (length < 0) { | |
| 194 throw new IndexOutOfBoundsException( | |
| 195 "length must be greater than or equal to zero"); | |
| 196 } | |
| 197 return privateFrames(start, length); | |
| 198 } | |
| 199 | |
| 200 /** | |
| 201 * Private version of frames() allows "-1" to specify all | |
| 202 * remaining frames. | |
| 203 */ | |
| 204 | |
| 205 private List privateFrames(int start, int length) | |
| 206 throws IncompatibleThreadStateException { | |
| 207 if (myJavaThread == null) { | |
| 208 // for zombies and yet-to-be-started threads we need to throw exception | |
| 209 throw new IncompatibleThreadStateException(); | |
| 210 } | |
| 211 if (frames == null) { | |
| 212 frames = new ArrayList(10); | |
| 213 JavaVFrame myvf = myJavaThread.getLastJavaVFrameDbg(); | |
| 214 while (myvf != null) { | |
| 215 StackFrame myFrame = new StackFrameImpl(vm, this, myvf); | |
| 216 //fixme jjh null should be a Location | |
| 217 frames.add(myFrame); | |
| 218 myvf = (JavaVFrame)myvf.javaSender(); | |
| 219 } | |
| 220 } | |
| 221 | |
| 222 List retVal; | |
| 223 if (frames.size() == 0) { | |
| 224 retVal = new ArrayList(0); | |
| 225 } else { | |
| 226 int toIndex = start + length; | |
| 227 if (length == -1) { | |
| 228 toIndex = frames.size(); | |
| 229 } | |
| 230 retVal = frames.subList(start, toIndex); | |
| 231 } | |
| 232 return Collections.unmodifiableList(retVal); | |
| 233 } | |
| 234 | |
| 235 // refer to JvmtiEnvBase::get_owned_monitors | |
| 236 public List ownedMonitors() throws IncompatibleThreadStateException { | |
| 237 if (vm.canGetOwnedMonitorInfo() == false) { | |
| 238 throw new UnsupportedOperationException(); | |
| 239 } | |
| 240 | |
| 241 if (myJavaThread == null) { | |
| 242 throw new IncompatibleThreadStateException(); | |
| 243 } | |
| 244 | |
| 245 if (ownedMonitors != null) { | |
| 246 return ownedMonitors; | |
| 247 } | |
| 248 | |
| 249 ownedMonitorsWithStackDepth(); | |
| 250 | |
| 251 for (Iterator omi = ownedMonitorsInfo.iterator(); omi.hasNext(); ) { | |
| 252 //FIXME : Change the MonitorInfoImpl cast to com.sun.jdi.MonitorInfo | |
| 253 // when hotspot start building with jdk1.6. | |
| 254 ownedMonitors.add(((MonitorInfoImpl)omi.next()).monitor()); | |
| 255 } | |
| 256 | |
| 257 return ownedMonitors; | |
| 258 } | |
| 259 | |
| 260 // new method since 1.6. | |
| 261 // Real body will be supplied later. | |
| 262 public List ownedMonitorsAndFrames() throws IncompatibleThreadStateException { | |
| 263 if (!vm.canGetMonitorFrameInfo()) { | |
| 264 throw new UnsupportedOperationException( | |
| 265 "target does not support getting Monitor Frame Info"); | |
| 266 } | |
| 267 | |
| 268 if (myJavaThread == null) { | |
| 269 throw new IncompatibleThreadStateException(); | |
| 270 } | |
| 271 | |
| 272 if (ownedMonitorsInfo != null) { | |
| 273 return ownedMonitorsInfo; | |
| 274 } | |
| 275 | |
| 276 ownedMonitorsWithStackDepth(); | |
| 277 return ownedMonitorsInfo; | |
| 278 } | |
| 279 | |
| 280 private void ownedMonitorsWithStackDepth() { | |
| 281 | |
| 282 ownedMonitorsInfo = new ArrayList(); | |
| 283 List lockedObjects = new ArrayList(); // List<OopHandle> | |
| 284 List stackDepth = new ArrayList(); // List<int> | |
| 285 ObjectMonitor waitingMonitor = myJavaThread.getCurrentWaitingMonitor(); | |
| 286 ObjectMonitor pendingMonitor = myJavaThread.getCurrentPendingMonitor(); | |
| 287 OopHandle waitingObj = null; | |
| 288 if (waitingMonitor != null) { | |
| 289 // save object of current wait() call (if any) for later comparison | |
| 290 waitingObj = waitingMonitor.object(); | |
| 291 } | |
| 292 OopHandle pendingObj = null; | |
| 293 if (pendingMonitor != null) { | |
| 294 // save object of current enter() call (if any) for later comparison | |
| 295 pendingObj = pendingMonitor.object(); | |
| 296 } | |
| 297 | |
| 298 JavaVFrame frame = myJavaThread.getLastJavaVFrameDbg(); | |
| 299 int depth=0; | |
| 300 while (frame != null) { | |
| 301 List frameMonitors = frame.getMonitors(); // List<MonitorInfo> | |
| 302 for (Iterator miItr = frameMonitors.iterator(); miItr.hasNext(); ) { | |
| 303 sun.jvm.hotspot.runtime.MonitorInfo mi = (sun.jvm.hotspot.runtime.MonitorInfo) miItr.next(); | |
|
818
b109e761e927
6837472: com/sun/jdi/MonitorFrameInfo.java fails with AggressiveOpts in 6u14
kvn
parents:
0
diff
changeset
|
304 if (mi.eliminated() && frame.isCompiledFrame()) { |
|
b109e761e927
6837472: com/sun/jdi/MonitorFrameInfo.java fails with AggressiveOpts in 6u14
kvn
parents:
0
diff
changeset
|
305 continue; // skip eliminated monitor |
|
b109e761e927
6837472: com/sun/jdi/MonitorFrameInfo.java fails with AggressiveOpts in 6u14
kvn
parents:
0
diff
changeset
|
306 } |
| 0 | 307 OopHandle obj = mi.owner(); |
| 308 if (obj == null) { | |
| 309 // this monitor doesn't have an owning object so skip it | |
| 310 continue; | |
| 311 } | |
| 312 | |
| 313 if (obj.equals(waitingObj)) { | |
| 314 // the thread is waiting on this monitor so it isn't really owned | |
| 315 continue; | |
| 316 } | |
| 317 | |
| 318 if (obj.equals(pendingObj)) { | |
| 319 // the thread is pending on this monitor so it isn't really owned | |
| 320 continue; | |
| 321 } | |
| 322 | |
| 323 boolean found = false; | |
| 324 for (Iterator loItr = lockedObjects.iterator(); loItr.hasNext(); ) { | |
| 325 // check for recursive locks | |
| 326 if (obj.equals(loItr.next())) { | |
| 327 found = true; | |
| 328 break; | |
| 329 } | |
| 330 } | |
| 331 if (found) { | |
| 332 // already have this object so don't include it | |
| 333 continue; | |
| 334 } | |
| 335 // add the owning object to our list | |
| 336 lockedObjects.add(obj); | |
| 337 stackDepth.add(new Integer(depth)); | |
| 338 } | |
| 339 frame = (JavaVFrame) frame.javaSender(); | |
| 340 depth++; | |
| 341 } | |
| 342 | |
| 343 // now convert List<OopHandle> to List<ObjectReference> | |
| 344 ObjectHeap heap = vm.saObjectHeap(); | |
| 345 Iterator stk = stackDepth.iterator(); | |
| 346 for (Iterator loItr = lockedObjects.iterator(); loItr.hasNext(); ) { | |
| 347 Oop obj = heap.newOop((OopHandle)loItr.next()); | |
| 348 ownedMonitorsInfo.add(new MonitorInfoImpl(vm, vm.objectMirror(obj), this, | |
| 349 ((Integer)stk.next()).intValue())); | |
| 350 } | |
| 351 } | |
| 352 | |
| 353 // refer to JvmtiEnvBase::get_current_contended_monitor | |
| 354 public ObjectReference currentContendedMonitor() | |
| 355 throws IncompatibleThreadStateException { | |
| 356 if (vm.canGetCurrentContendedMonitor() == false) { | |
| 357 throw new UnsupportedOperationException(); | |
| 358 } | |
| 359 | |
| 360 if (myJavaThread == null) { | |
| 361 throw new IncompatibleThreadStateException(); | |
| 362 } | |
| 363 ObjectMonitor mon = myJavaThread.getCurrentWaitingMonitor(); | |
| 364 if (mon == null) { | |
| 365 // thread is not doing an Object.wait() call | |
| 366 mon = myJavaThread.getCurrentPendingMonitor(); | |
| 367 if (mon != null) { | |
| 368 OopHandle handle = mon.object(); | |
| 369 // If obj == NULL, then ObjectMonitor is raw which doesn't count | |
| 370 // as contended for this API | |
| 371 return vm.objectMirror(vm.saObjectHeap().newOop(handle)); | |
| 372 } else { | |
| 373 // no contended ObjectMonitor | |
| 374 return null; | |
| 375 } | |
| 376 } else { | |
| 377 // thread is doing an Object.wait() call | |
| 378 OopHandle handle = mon.object(); | |
| 379 if (Assert.ASSERTS_ENABLED) { | |
| 380 Assert.that(handle != null, "Object.wait() should have an object"); | |
| 381 } | |
| 382 Oop obj = vm.saObjectHeap().newOop(handle); | |
| 383 return vm.objectMirror(obj); | |
| 384 } | |
| 385 } | |
| 386 | |
| 387 | |
| 388 public void popFrames(StackFrame frame) throws IncompatibleThreadStateException { | |
| 389 vm.throwNotReadOnlyException("ThreadReference.popFrames()"); | |
| 390 } | |
| 391 | |
| 392 public void forceEarlyReturn(Value returnValue) throws IncompatibleThreadStateException { | |
| 393 vm.throwNotReadOnlyException("ThreadReference.forceEarlyReturn()"); | |
| 394 } | |
| 395 | |
| 396 public String toString() { | |
| 397 return "instance of " + referenceType().name() + | |
| 398 "(name='" + name() + "', " + "id=" + uniqueID() + ")"; | |
| 399 } | |
| 400 } |