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 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/resourceArea.hpp"
  38 #include "memory/universe.hpp"
  39 #include "oops/oop.inline.hpp"
  40 #include "runtime/fprofiler.hpp"
  41 #include "runtime/thread.hpp"
  42 #include "runtime/vmThread.hpp"
  43 #include "services/management.hpp"
  44 
  45 //

  84     case class_loader_data:
  85     {
  86       PSScavengeKlassClosure klass_closure(pm);
  87       ClassLoaderDataGraph::oops_do(&roots_closure, &klass_closure, false);
  88     }
  89     break;
  90 
  91     case management:
  92       Management::oops_do(&roots_closure);
  93       break;
  94 
  95     case jvmti:
  96       JvmtiExport::oops_do(&roots_closure);
  97       break;
  98 
  99 
 100     case code_cache:
 101       {
 102         MarkingCodeBlobClosure each_scavengable_code_blob(&roots_to_old_closure, CodeBlobToOopClosure::FixRelocations);
 103         CodeCache::scavenge_root_nmethods_do(&each_scavengable_code_blob);

 104       }
 105       break;
 106 
 107     default:
 108       fatal("Unknown root type");
 109   }
 110 
 111   // Do the real work
 112   pm->drain_stacks(false);
 113 }
 114 
 115 //
 116 // ThreadRootsTask
 117 //
 118 
 119 void ThreadRootsTask::do_it(GCTaskManager* manager, uint which) {
 120   assert(ParallelScavengeHeap::heap()->is_gc_active(), "called outside gc");
 121 
 122   PSPromotionManager* pm = PSPromotionManager::gc_thread_promotion_manager(which);
 123   PSScavengeRootsClosure roots_closure(pm);

   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 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 "aot/aotLoader.hpp"
  27 #include "classfile/systemDictionary.hpp"
  28 #include "code/codeCache.hpp"
  29 #include "gc/parallel/cardTableExtension.hpp"
  30 #include "gc/parallel/gcTaskManager.hpp"
  31 #include "gc/parallel/psMarkSweep.hpp"
  32 #include "gc/parallel/psPromotionManager.hpp"
  33 #include "gc/parallel/psPromotionManager.inline.hpp"
  34 #include "gc/parallel/psScavenge.inline.hpp"
  35 #include "gc/parallel/psTasks.hpp"
  36 #include "gc/shared/taskqueue.inline.hpp"
  37 #include "memory/iterator.hpp"
  38 #include "memory/resourceArea.hpp"
  39 #include "memory/universe.hpp"
  40 #include "oops/oop.inline.hpp"
  41 #include "runtime/fprofiler.hpp"
  42 #include "runtime/thread.hpp"
  43 #include "runtime/vmThread.hpp"
  44 #include "services/management.hpp"
  45 
  46 //

  85     case class_loader_data:
  86     {
  87       PSScavengeKlassClosure klass_closure(pm);
  88       ClassLoaderDataGraph::oops_do(&roots_closure, &klass_closure, false);
  89     }
  90     break;
  91 
  92     case management:
  93       Management::oops_do(&roots_closure);
  94       break;
  95 
  96     case jvmti:
  97       JvmtiExport::oops_do(&roots_closure);
  98       break;
  99 
 100 
 101     case code_cache:
 102       {
 103         MarkingCodeBlobClosure each_scavengable_code_blob(&roots_to_old_closure, CodeBlobToOopClosure::FixRelocations);
 104         CodeCache::scavenge_root_nmethods_do(&each_scavengable_code_blob);
 105         AOTLoader::oops_do(&roots_closure);
 106       }
 107       break;
 108 
 109     default:
 110       fatal("Unknown root type");
 111   }
 112 
 113   // Do the real work
 114   pm->drain_stacks(false);
 115 }
 116 
 117 //
 118 // ThreadRootsTask
 119 //
 120 
 121 void ThreadRootsTask::do_it(GCTaskManager* manager, uint which) {
 122   assert(ParallelScavengeHeap::heap()->is_gc_active(), "called outside gc");
 123 
 124   PSPromotionManager* pm = PSPromotionManager::gc_thread_promotion_manager(which);
 125   PSScavengeRootsClosure roots_closure(pm);