5 * This code is free software; you can redistribute it and/or modify it
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 inline size_t G1RemSet::n_workers() {
26 if (_g1->workers() != NULL) {
27 return _g1->workers()->total_workers();
28 } else {
29 return 1;
30 }
31 }
32
33 template <class T> inline void HRInto_G1RemSet::write_ref_nv(HeapRegion* from, T* p) {
34 par_write_ref_nv(from, p, 0);
35 }
36
37 inline bool HRInto_G1RemSet::self_forwarded(oop obj) {
38 bool result = (obj->is_forwarded() && (obj->forwardee()== obj));
39 return result;
40 }
41
42 template <class T> inline void HRInto_G1RemSet::par_write_ref_nv(HeapRegion* from, T* p, int tid) {
43 oop obj = oopDesc::load_decode_heap_oop(p);
44 #ifdef ASSERT
87 #endif
88 assert(to->rem_set() != NULL, "Need per-region 'into' remsets.");
89 to->rem_set()->add_reference(p, tid);
90 }
91 }
92 }
93
94 template <class T> inline void UpdateRSOopClosure::do_oop_work(T* p) {
95 assert(_from != NULL, "from region must be non-NULL");
96 _rs->par_write_ref(_from, p, _worker_i);
97 }
98
99 template <class T> inline void UpdateRSetImmediate::do_oop_work(T* p) {
100 assert(_from->is_in_reserved(p), "paranoia");
101 T heap_oop = oopDesc::load_heap_oop(p);
102 if (!oopDesc::is_null(heap_oop) && !_from->is_survivor()) {
103 _g1_rem_set->par_write_ref(_from, p, 0);
104 }
105 }
106
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5 * This code is free software; you can redistribute it and/or modify it
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 #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1REMSET_INLINE_HPP
26 #define SHARE_VM_GC_IMPLEMENTATION_G1_G1REMSET_INLINE_HPP
27
28 #include "gc_implementation/g1/g1RemSet.hpp"
29 #include "gc_implementation/g1/heapRegionRemSet.hpp"
30 #include "oops/oop.inline.hpp"
31
32 inline size_t G1RemSet::n_workers() {
33 if (_g1->workers() != NULL) {
34 return _g1->workers()->total_workers();
35 } else {
36 return 1;
37 }
38 }
39
40 template <class T> inline void HRInto_G1RemSet::write_ref_nv(HeapRegion* from, T* p) {
41 par_write_ref_nv(from, p, 0);
42 }
43
44 inline bool HRInto_G1RemSet::self_forwarded(oop obj) {
45 bool result = (obj->is_forwarded() && (obj->forwardee()== obj));
46 return result;
47 }
48
49 template <class T> inline void HRInto_G1RemSet::par_write_ref_nv(HeapRegion* from, T* p, int tid) {
50 oop obj = oopDesc::load_decode_heap_oop(p);
51 #ifdef ASSERT
94 #endif
95 assert(to->rem_set() != NULL, "Need per-region 'into' remsets.");
96 to->rem_set()->add_reference(p, tid);
97 }
98 }
99 }
100
101 template <class T> inline void UpdateRSOopClosure::do_oop_work(T* p) {
102 assert(_from != NULL, "from region must be non-NULL");
103 _rs->par_write_ref(_from, p, _worker_i);
104 }
105
106 template <class T> inline void UpdateRSetImmediate::do_oop_work(T* p) {
107 assert(_from->is_in_reserved(p), "paranoia");
108 T heap_oop = oopDesc::load_heap_oop(p);
109 if (!oopDesc::is_null(heap_oop) && !_from->is_survivor()) {
110 _g1_rem_set->par_write_ref(_from, p, 0);
111 }
112 }
113
114
115 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1REMSET_INLINE_HPP
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