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 "oops/access.inline.hpp"
26 #include "oops/objArrayKlass.hpp"
27 #include "oops/objArrayOop.inline.hpp"
28 #include "oops/oop.inline.hpp"
29 
30 oop objArrayOopDesc::replace_if_null(int index, oop exchange_value) {
31   ptrdiff_t offs;
32   if (UseCompressedOops) {
33     offs = objArrayOopDesc::obj_at_offset<narrowOop>(index);
34   } else {
35     offs = objArrayOopDesc::obj_at_offset<oop>(index);
36   }
37   return HeapAccess<IS_ARRAY>::oop_atomic_cmpxchg_at(as_oop(), offs, (oop)nullptr, exchange_value);
38 }
39 
40 Klass* objArrayOopDesc::element_klass() {
41   return ObjArrayKlass::cast(klass())->element_klass();
42 }

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 "oops/access.inline.hpp"
26 #include "oops/objArrayKlass.hpp"
27 #include "oops/objArrayOop.inline.hpp"
28 #include "oops/oop.inline.hpp"
29 










30 Klass* objArrayOopDesc::element_klass() {
31   return ObjArrayKlass::cast(klass())->element_klass();
32 }