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/heapRegion.hpp"
30 #include "gc_implementation/g1/heapRegionRemSet.hpp"
31 #include "oops/oop.inline.hpp"
32
33 inline uint G1RemSet::n_workers() {
34 return _g1->workers()->total_workers();
35 }
36
37 template <class T>
38 inline void G1RemSet::write_ref(HeapRegion* from, T* p) {
39 par_write_ref(from, p, 0);
40 }
41
42 template <class T>
43 inline void G1RemSet::par_write_ref(HeapRegion* from, T* p, uint tid) {
44 oop obj = oopDesc::load_decode_heap_oop(p);
45 if (obj == NULL) {
46 return;
47 }
48
49 #ifdef ASSERT
50 // can't do because of races
58 #endif // CHECK_UNHANDLED_OOPS
59 assert((intptr_t)o % MinObjAlignmentInBytes == 0, "not oop aligned");
60 assert(_g1->is_in_reserved(obj), "must be in heap");
61 #endif // ASSERT
62
63 assert(from == NULL || from->is_in_reserved(p), "p is not in from");
64
65 HeapRegion* to = _g1->heap_region_containing(obj);
66 if (from != to) {
67 assert(to->rem_set() != NULL, "Need per-region 'into' remsets.");
68 to->rem_set()->add_reference(p, tid);
69 }
70 }
71
72 template <class T>
73 inline void UpdateRSOopClosure::do_oop_work(T* p) {
74 assert(_from != NULL, "from region must be non-NULL");
75 _rs->par_write_ref(_from, p, _worker_i);
76 }
77
78 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1REMSET_INLINE_HPP
|
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_G1_G1REMSET_INLINE_HPP
26 #define SHARE_VM_GC_G1_G1REMSET_INLINE_HPP
27
28 #include "gc/g1/g1RemSet.hpp"
29 #include "gc/g1/heapRegion.hpp"
30 #include "gc/g1/heapRegionRemSet.hpp"
31 #include "oops/oop.inline.hpp"
32
33 inline uint G1RemSet::n_workers() {
34 return _g1->workers()->total_workers();
35 }
36
37 template <class T>
38 inline void G1RemSet::write_ref(HeapRegion* from, T* p) {
39 par_write_ref(from, p, 0);
40 }
41
42 template <class T>
43 inline void G1RemSet::par_write_ref(HeapRegion* from, T* p, uint tid) {
44 oop obj = oopDesc::load_decode_heap_oop(p);
45 if (obj == NULL) {
46 return;
47 }
48
49 #ifdef ASSERT
50 // can't do because of races
58 #endif // CHECK_UNHANDLED_OOPS
59 assert((intptr_t)o % MinObjAlignmentInBytes == 0, "not oop aligned");
60 assert(_g1->is_in_reserved(obj), "must be in heap");
61 #endif // ASSERT
62
63 assert(from == NULL || from->is_in_reserved(p), "p is not in from");
64
65 HeapRegion* to = _g1->heap_region_containing(obj);
66 if (from != to) {
67 assert(to->rem_set() != NULL, "Need per-region 'into' remsets.");
68 to->rem_set()->add_reference(p, tid);
69 }
70 }
71
72 template <class T>
73 inline void UpdateRSOopClosure::do_oop_work(T* p) {
74 assert(_from != NULL, "from region must be non-NULL");
75 _rs->par_write_ref(_from, p, _worker_i);
76 }
77
78 #endif // SHARE_VM_GC_G1_G1REMSET_INLINE_HPP
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