156 }
157 }
158 }
159 }
160
161
162 void VM_ZombieAll::doit() {
163 JavaThread *thread = (JavaThread *)calling_thread();
164 assert(thread->is_Java_thread(), "must be a Java thread");
165 thread->make_zombies();
166 }
167
168 #endif // !PRODUCT
169
170 void VM_UnlinkSymbols::doit() {
171 JavaThread *thread = (JavaThread *)calling_thread();
172 assert(thread->is_Java_thread(), "must be a Java thread");
173 SymbolTable::unlink();
174 }
175
176 void VM_HandleFullCodeCache::doit() {
177 NMethodSweeper::speculative_disconnect_nmethods(_is_full);
178 }
179
180 void VM_Verify::doit() {
181 Universe::heap()->prepare_for_verify();
182 Universe::verify(_silent);
183 }
184
185 bool VM_PrintThreads::doit_prologue() {
186 assert(Thread::current()->is_Java_thread(), "just checking");
187
188 // Make sure AbstractOwnableSynchronizer is loaded
189 if (JDK_Version::is_gte_jdk16x_version()) {
190 java_util_concurrent_locks_AbstractOwnableSynchronizer::initialize(JavaThread::current());
191 }
192
193 // Get Heap_lock if concurrent locks will be dumped
194 if (_print_concurrent_locks) {
195 Heap_lock->lock();
196 }
197 return true;
198 }
199
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156 }
157 }
158 }
159 }
160
161
162 void VM_ZombieAll::doit() {
163 JavaThread *thread = (JavaThread *)calling_thread();
164 assert(thread->is_Java_thread(), "must be a Java thread");
165 thread->make_zombies();
166 }
167
168 #endif // !PRODUCT
169
170 void VM_UnlinkSymbols::doit() {
171 JavaThread *thread = (JavaThread *)calling_thread();
172 assert(thread->is_Java_thread(), "must be a Java thread");
173 SymbolTable::unlink();
174 }
175
176 void VM_Verify::doit() {
177 Universe::heap()->prepare_for_verify();
178 Universe::verify(_silent);
179 }
180
181 bool VM_PrintThreads::doit_prologue() {
182 assert(Thread::current()->is_Java_thread(), "just checking");
183
184 // Make sure AbstractOwnableSynchronizer is loaded
185 if (JDK_Version::is_gte_jdk16x_version()) {
186 java_util_concurrent_locks_AbstractOwnableSynchronizer::initialize(JavaThread::current());
187 }
188
189 // Get Heap_lock if concurrent locks will be dumped
190 if (_print_concurrent_locks) {
191 Heap_lock->lock();
192 }
193 return true;
194 }
195
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