145 }
146
147 static void print_locked_object_class_name(outputStream* st, Handle obj, const char* lock_state) {
148 if (obj.not_null()) {
149 st->print("\t- %s <" INTPTR_FORMAT "> ", lock_state, (address)obj());
150 if (obj->klass() == SystemDictionary::Class_klass()) {
151 Klass* target_klass = java_lang_Class::as_Klass(obj());
152 st->print_cr("(a java.lang.Class for %s)", InstanceKlass::cast(target_klass)->external_name());
153 } else {
154 Klass* k = obj->klass();
155 st->print_cr("(a %s)", k->external_name());
156 }
157 }
158 }
159
160 void javaVFrame::print_lock_info_on(outputStream* st, int frame_count) {
161 ResourceMark rm;
162
163 // If this is the first frame, and java.lang.Object.wait(...) then print out the receiver.
164 if (frame_count == 0) {
165 if (method()->name() == vmSymbols::wait_name() &&
166 method()->method_holder()->name() == vmSymbols::java_lang_Object()) {
167 StackValueCollection* locs = locals();
168 if (!locs->is_empty()) {
169 StackValue* sv = locs->at(0);
170 if (sv->type() == T_OBJECT) {
171 Handle o = locs->at(0)->get_obj();
172 print_locked_object_class_name(st, o, "waiting on");
173 }
174 }
175 } else if (thread()->current_park_blocker() != NULL) {
176 oop obj = thread()->current_park_blocker();
177 Klass* k = obj->klass();
178 st->print_cr("\t- %s <" INTPTR_FORMAT "> (a %s)", "parking to wait for ", (address)obj, k->external_name());
179 }
180 }
181
182
183 // Print out all monitors that we have locked or are trying to lock
184 GrowableArray<MonitorInfo*>* mons = monitors();
185 if (!mons->is_empty()) {
186 bool found_first_monitor = false;
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145 }
146
147 static void print_locked_object_class_name(outputStream* st, Handle obj, const char* lock_state) {
148 if (obj.not_null()) {
149 st->print("\t- %s <" INTPTR_FORMAT "> ", lock_state, (address)obj());
150 if (obj->klass() == SystemDictionary::Class_klass()) {
151 Klass* target_klass = java_lang_Class::as_Klass(obj());
152 st->print_cr("(a java.lang.Class for %s)", InstanceKlass::cast(target_klass)->external_name());
153 } else {
154 Klass* k = obj->klass();
155 st->print_cr("(a %s)", k->external_name());
156 }
157 }
158 }
159
160 void javaVFrame::print_lock_info_on(outputStream* st, int frame_count) {
161 ResourceMark rm;
162
163 // If this is the first frame, and java.lang.Object.wait(...) then print out the receiver.
164 if (frame_count == 0) {
165 if (method()->name()->equals(vmSymbols::wait_name()) &&
166 method()->method_holder()->name()->equals(vmSymbols::java_lang_Object())) {
167 StackValueCollection* locs = locals();
168 if (!locs->is_empty()) {
169 StackValue* sv = locs->at(0);
170 if (sv->type() == T_OBJECT) {
171 Handle o = locs->at(0)->get_obj();
172 print_locked_object_class_name(st, o, "waiting on");
173 }
174 }
175 } else if (thread()->current_park_blocker() != NULL) {
176 oop obj = thread()->current_park_blocker();
177 Klass* k = obj->klass();
178 st->print_cr("\t- %s <" INTPTR_FORMAT "> (a %s)", "parking to wait for ", (address)obj, k->external_name());
179 }
180 }
181
182
183 // Print out all monitors that we have locked or are trying to lock
184 GrowableArray<MonitorInfo*>* mons = monitors();
185 if (!mons->is_empty()) {
186 bool found_first_monitor = false;
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