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