207 if (!mons->is_empty()) {
208 bool found_first_monitor = false;
209 for (int index = (mons->length()-1); index >= 0; index--) {
210 MonitorInfo* monitor = mons->at(index);
211 if (monitor->eliminated() && is_compiled_frame()) { // Eliminated in compiled code
212 if (monitor->owner_is_scalar_replaced()) {
213 Klass* k = java_lang_Class::as_Klass(monitor->owner_klass());
214 // format below for lockbits matches this one.
215 st->print("\t- eliminated <owner is scalar replaced> (a %s)", k->external_name());
216 } else {
217 Handle obj(THREAD, monitor->owner());
218 if (obj() != NULL) {
219 print_locked_object_class_name(st, obj, "eliminated");
220 }
221 }
222 continue;
223 }
224 if (monitor->owner() != NULL) {
225 // the monitor is associated with an object, i.e., it is locked
226
227 markWord mark(0);
228 const char *lock_state = "locked"; // assume we have the monitor locked
229 if (!found_first_monitor && frame_count == 0) {
230 // If this is the first frame and we haven't found an owned
231 // monitor before, then we need to see if we have completed
232 // the lock or if we are blocked trying to acquire it. Only
233 // an inflated monitor that is first on the monitor list in
234 // the first frame can block us on a monitor enter.
235 mark = monitor->owner()->mark();
236 if (mark.has_monitor() &&
237 ( // we have marked ourself as pending on this monitor
238 mark.monitor() == thread()->current_pending_monitor() ||
239 // we are not the owner of this monitor
240 !mark.monitor()->is_entered(thread())
241 )) {
242 lock_state = "waiting to lock";
243 } else {
244 // We own the monitor which is not as interesting so
245 // disable the extra printing below.
246 mark = markWord(0);
247 }
248 }
249 print_locked_object_class_name(st, Handle(THREAD, monitor->owner()), lock_state);
250
251 found_first_monitor = true;
252 }
253 }
254 }
255 }
256
257 // ------------- interpretedVFrame --------------
258
259 u_char* interpretedVFrame::bcp() const {
260 return fr().interpreter_frame_bcp();
261 }
262
263 void interpretedVFrame::set_bcp(u_char* bcp) {
264 fr().interpreter_frame_set_bcp(bcp);
265 }
266
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207 if (!mons->is_empty()) {
208 bool found_first_monitor = false;
209 for (int index = (mons->length()-1); index >= 0; index--) {
210 MonitorInfo* monitor = mons->at(index);
211 if (monitor->eliminated() && is_compiled_frame()) { // Eliminated in compiled code
212 if (monitor->owner_is_scalar_replaced()) {
213 Klass* k = java_lang_Class::as_Klass(monitor->owner_klass());
214 // format below for lockbits matches this one.
215 st->print("\t- eliminated <owner is scalar replaced> (a %s)", k->external_name());
216 } else {
217 Handle obj(THREAD, monitor->owner());
218 if (obj() != NULL) {
219 print_locked_object_class_name(st, obj, "eliminated");
220 }
221 }
222 continue;
223 }
224 if (monitor->owner() != NULL) {
225 // the monitor is associated with an object, i.e., it is locked
226
227 markWord mark(markWord::zero);
228 const char *lock_state = "locked"; // assume we have the monitor locked
229 if (!found_first_monitor && frame_count == 0) {
230 // If this is the first frame and we haven't found an owned
231 // monitor before, then we need to see if we have completed
232 // the lock or if we are blocked trying to acquire it. Only
233 // an inflated monitor that is first on the monitor list in
234 // the first frame can block us on a monitor enter.
235 mark = monitor->owner()->mark();
236 if (mark.has_monitor() &&
237 ( // we have marked ourself as pending on this monitor
238 mark.monitor() == thread()->current_pending_monitor() ||
239 // we are not the owner of this monitor
240 !mark.monitor()->is_entered(thread())
241 )) {
242 lock_state = "waiting to lock";
243 } else {
244 // FIXME: mark is set but not used below.
245 // Either the comment or the code is broken.
246
247 // We own the monitor which is not as interesting so
248 // disable the extra printing below.
249 mark = markWord(markWord::zero);
250 }
251 }
252 print_locked_object_class_name(st, Handle(THREAD, monitor->owner()), lock_state);
253
254 found_first_monitor = true;
255 }
256 }
257 }
258 }
259
260 // ------------- interpretedVFrame --------------
261
262 u_char* interpretedVFrame::bcp() const {
263 return fr().interpreter_frame_bcp();
264 }
265
266 void interpretedVFrame::set_bcp(u_char* bcp) {
267 fr().interpreter_frame_set_bcp(bcp);
268 }
269
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