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 "gc_implementation/parallelScavenge/objectStartArray.hpp"
  28 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp"
  29 #include "gc_implementation/parallelScavenge/psMarkSweep.hpp"
  30 #include "gc_implementation/parallelScavenge/psMarkSweepDecorator.hpp"
  31 #include "gc_implementation/shared/liveRange.hpp"
  32 #include "gc_implementation/shared/markSweep.inline.hpp"
  33 #include "gc_implementation/shared/spaceDecorator.hpp"
  34 #include "oops/oop.inline.hpp"
  35 #include "runtime/prefetch.inline.hpp"
  36 
  37 PSMarkSweepDecorator* PSMarkSweepDecorator::_destination_decorator = NULL;
  38 
  39 
  40 void PSMarkSweepDecorator::set_destination_decorator_tenured() {
  41   ParallelScavengeHeap* heap = ParallelScavengeHeap::heap();
  42   _destination_decorator = heap->old_gen()->object_mark_sweep();
  43 }
  44 
  45 void PSMarkSweepDecorator::advance_destination_decorator() {
  46   ParallelScavengeHeap* heap = ParallelScavengeHeap::heap();
  47 
  48   assert(_destination_decorator != NULL, "Sanity");
  49 
  50   PSMarkSweepDecorator* first = heap->old_gen()->object_mark_sweep();
  51   PSMarkSweepDecorator* second = heap->young_gen()->eden_mark_sweep();
  52   PSMarkSweepDecorator* third = heap->young_gen()->from_mark_sweep();
  53   PSMarkSweepDecorator* fourth = heap->young_gen()->to_mark_sweep();

   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 "gc/parallel/objectStartArray.hpp"
  28 #include "gc/parallel/parallelScavengeHeap.hpp"
  29 #include "gc/parallel/psMarkSweep.hpp"
  30 #include "gc/parallel/psMarkSweepDecorator.hpp"
  31 #include "gc/serial/markSweep.inline.hpp"
  32 #include "gc/shared/liveRange.hpp"
  33 #include "gc/shared/spaceDecorator.hpp"
  34 #include "oops/oop.inline.hpp"
  35 #include "runtime/prefetch.inline.hpp"
  36 
  37 PSMarkSweepDecorator* PSMarkSweepDecorator::_destination_decorator = NULL;
  38 
  39 
  40 void PSMarkSweepDecorator::set_destination_decorator_tenured() {
  41   ParallelScavengeHeap* heap = ParallelScavengeHeap::heap();
  42   _destination_decorator = heap->old_gen()->object_mark_sweep();
  43 }
  44 
  45 void PSMarkSweepDecorator::advance_destination_decorator() {
  46   ParallelScavengeHeap* heap = ParallelScavengeHeap::heap();
  47 
  48   assert(_destination_decorator != NULL, "Sanity");
  49 
  50   PSMarkSweepDecorator* first = heap->old_gen()->object_mark_sweep();
  51   PSMarkSweepDecorator* second = heap->young_gen()->eden_mark_sweep();
  52   PSMarkSweepDecorator* third = heap->young_gen()->from_mark_sweep();
  53   PSMarkSweepDecorator* fourth = heap->young_gen()->to_mark_sweep();