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 "gc_implementation/g1/g1CollectedHeap.inline.hpp"
  27 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp"
  28 #include "gc_implementation/g1/heapRegion.hpp"
  29 #include "gc_implementation/g1/satbQueue.hpp"
  30 #include "oops/oop.inline.hpp"
  31 #include "runtime/atomic.inline.hpp"
  32 #include "runtime/mutexLocker.hpp"
  33 #include "runtime/orderAccess.inline.hpp"
  34 #include "runtime/thread.inline.hpp"
  35 
  36 G1SATBCardTableModRefBS::G1SATBCardTableModRefBS(
  37   MemRegion whole_heap,
  38   const BarrierSet::FakeRtti& fake_rtti) :
  39   CardTableModRefBS(whole_heap, fake_rtti.add_tag(BarrierSet::G1SATBCT))
  40 { }
  41 
  42 void G1SATBCardTableModRefBS::enqueue(oop pre_val) {
  43   // Nulls should have been already filtered.
  44   assert(pre_val->is_oop(true), "Error");
  45 
  46   if (!JavaThread::satb_mark_queue_set().is_active()) return;
  47   Thread* thr = Thread::current();
  48   if (thr->is_Java_thread()) {

   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 "gc_implementation/g1/g1CollectedHeap.inline.hpp"
  27 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp"
  28 #include "gc_implementation/g1/heapRegion.inline.hpp"
  29 #include "gc_implementation/g1/satbQueue.hpp"
  30 #include "oops/oop.inline.hpp"
  31 #include "runtime/atomic.inline.hpp"
  32 #include "runtime/mutexLocker.hpp"
  33 #include "runtime/orderAccess.inline.hpp"
  34 #include "runtime/thread.inline.hpp"
  35 
  36 G1SATBCardTableModRefBS::G1SATBCardTableModRefBS(
  37   MemRegion whole_heap,
  38   const BarrierSet::FakeRtti& fake_rtti) :
  39   CardTableModRefBS(whole_heap, fake_rtti.add_tag(BarrierSet::G1SATBCT))
  40 { }
  41 
  42 void G1SATBCardTableModRefBS::enqueue(oop pre_val) {
  43   // Nulls should have been already filtered.
  44   assert(pre_val->is_oop(true), "Error");
  45 
  46   if (!JavaThread::satb_mark_queue_set().is_active()) return;
  47   Thread* thr = Thread::current();
  48   if (thr->is_Java_thread()) {