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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "classfile/systemDictionary.hpp"
  27 #include "code/codeCache.hpp"
  28 #include "gc_implementation/parallelScavenge/cardTableExtension.hpp"
  29 #include "gc_implementation/parallelScavenge/gcTaskManager.hpp"
  30 #include "gc_implementation/parallelScavenge/psMarkSweep.hpp"
  31 #include "gc_implementation/parallelScavenge/psPromotionManager.hpp"
  32 #include "gc_implementation/parallelScavenge/psPromotionManager.inline.hpp"
  33 #include "gc_implementation/parallelScavenge/psScavenge.inline.hpp"
  34 #include "gc_implementation/parallelScavenge/psTasks.hpp"

  35 #include "memory/iterator.hpp"
  36 #include "memory/universe.hpp"
  37 #include "oops/oop.inline.hpp"
  38 #include "runtime/fprofiler.hpp"
  39 #include "runtime/thread.hpp"
  40 #include "runtime/vmThread.hpp"
  41 #include "services/management.hpp"
  42 #include "utilities/taskqueue.inline.hpp"
  43 
  44 //
  45 // ScavengeRootsTask
  46 //
  47 
  48 void ScavengeRootsTask::do_it(GCTaskManager* manager, uint which) {
  49   assert(ParallelScavengeHeap::heap()->is_gc_active(), "called outside gc");
  50 
  51   PSPromotionManager* pm = PSPromotionManager::gc_thread_promotion_manager(which);
  52   PSScavengeRootsClosure roots_closure(pm);
  53   PSPromoteRootsClosure  roots_to_old_closure(pm);
  54 
  55   switch (_root_type) {
  56     case universe:
  57       Universe::oops_do(&roots_closure);
  58       break;
  59 
  60     case jni_handles:
  61       JNIHandles::oops_do(&roots_closure);
  62       break;

   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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "classfile/systemDictionary.hpp"
  27 #include "code/codeCache.hpp"
  28 #include "gc/parallel/cardTableExtension.hpp"
  29 #include "gc/parallel/gcTaskManager.hpp"
  30 #include "gc/parallel/psMarkSweep.hpp"
  31 #include "gc/parallel/psPromotionManager.hpp"
  32 #include "gc/parallel/psPromotionManager.inline.hpp"
  33 #include "gc/parallel/psScavenge.inline.hpp"
  34 #include "gc/parallel/psTasks.hpp"
  35 #include "gc/shared/taskqueue.inline.hpp"
  36 #include "memory/iterator.hpp"
  37 #include "memory/universe.hpp"
  38 #include "oops/oop.inline.hpp"
  39 #include "runtime/fprofiler.hpp"
  40 #include "runtime/thread.hpp"
  41 #include "runtime/vmThread.hpp"
  42 #include "services/management.hpp"

  43 
  44 //
  45 // ScavengeRootsTask
  46 //
  47 
  48 void ScavengeRootsTask::do_it(GCTaskManager* manager, uint which) {
  49   assert(ParallelScavengeHeap::heap()->is_gc_active(), "called outside gc");
  50 
  51   PSPromotionManager* pm = PSPromotionManager::gc_thread_promotion_manager(which);
  52   PSScavengeRootsClosure roots_closure(pm);
  53   PSPromoteRootsClosure  roots_to_old_closure(pm);
  54 
  55   switch (_root_type) {
  56     case universe:
  57       Universe::oops_do(&roots_closure);
  58       break;
  59 
  60     case jni_handles:
  61       JNIHandles::oops_do(&roots_closure);
  62       break;