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_PARALLELSCAVENGE_PSPARALLELCOMPACT_INLINE_HPP
26 #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSPARALLELCOMPACT_INLINE_HPP
27
28 #include "gc_implementation/parallelScavenge/psCompactionManager.hpp"
29 #include "gc_implementation/parallelScavenge/psParallelCompact.hpp"
30 #include "gc_interface/collectedHeap.hpp"
31 #include "oops/klass.hpp"
32 #include "oops/oop.inline.hpp"
33
34 template <typename T>
35 inline void PSParallelCompact::mark_and_push(ParCompactionManager* cm, T* p) {
36 T heap_oop = oopDesc::load_heap_oop(p);
37 if (!oopDesc::is_null(heap_oop)) {
38 oop obj = oopDesc::decode_heap_oop_not_null(heap_oop);
39 assert(Universe::heap()->is_in(obj), "should be in heap");
40
41 if (mark_bitmap()->is_unmarked(obj) && mark_obj(obj)) {
42 cm->push(obj);
43 }
44 }
45 }
46
47 template <typename T>
48 inline void PSParallelCompact::MarkAndPushClosure::do_oop_nv(T* p) {
49 mark_and_push(_compaction_manager, p);
50 }
51
52 inline void PSParallelCompact::MarkAndPushClosure::do_oop(oop* p) { do_oop_nv(p); }
53 inline void PSParallelCompact::MarkAndPushClosure::do_oop(narrowOop* p) { do_oop_nv(p); }
54
55 inline void PSParallelCompact::follow_klass(ParCompactionManager* cm, Klass* klass) {
56 oop holder = klass->klass_holder();
57 mark_and_push(cm, &holder);
58 }
59
60 template <class T>
61 inline void PSParallelCompact::adjust_pointer(T* p) {
62 T heap_oop = oopDesc::load_heap_oop(p);
63 if (!oopDesc::is_null(heap_oop)) {
64 oop obj = oopDesc::decode_heap_oop_not_null(heap_oop);
65 assert(Universe::heap()->is_in(obj), "should be in heap");
66
67 oop new_obj = (oop)summary_data().calc_new_pointer(obj);
68 assert(new_obj != NULL, // is forwarding ptr?
69 "should be forwarded");
70 // Just always do the update unconditionally?
71 if (new_obj != NULL) {
72 assert(Universe::heap()->is_in_reserved(new_obj),
73 "should be in object space");
74 oopDesc::encode_store_heap_oop_not_null(p, new_obj);
75 }
76 }
77 }
78
79 template <typename T>
80 void PSParallelCompact::AdjustPointerClosure::do_oop_nv(T* p) {
81 adjust_pointer(p);
82 }
83
84 inline void PSParallelCompact::AdjustPointerClosure::do_oop(oop* p) { do_oop_nv(p); }
85 inline void PSParallelCompact::AdjustPointerClosure::do_oop(narrowOop* p) { do_oop_nv(p); }
86
87 #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSPARALLELCOMPACT_INLINE_HPP
|
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_PARALLELSCAVENGE_PSPARALLELCOMPACT_INLINE_HPP
26 #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSPARALLELCOMPACT_INLINE_HPP
27
28 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp"
29 #include "gc_implementation/parallelScavenge/psCompactionManager.hpp"
30 #include "gc_implementation/parallelScavenge/psParallelCompact.hpp"
31 #include "gc_interface/collectedHeap.hpp"
32 #include "oops/klass.hpp"
33 #include "oops/oop.inline.hpp"
34
35 template <typename T>
36 inline void PSParallelCompact::mark_and_push(ParCompactionManager* cm, T* p) {
37 T heap_oop = oopDesc::load_heap_oop(p);
38 if (!oopDesc::is_null(heap_oop)) {
39 oop obj = oopDesc::decode_heap_oop_not_null(heap_oop);
40 assert(ParallelScavengeHeap::heap()->is_in(obj), "should be in heap");
41
42 if (mark_bitmap()->is_unmarked(obj) && mark_obj(obj)) {
43 cm->push(obj);
44 }
45 }
46 }
47
48 template <typename T>
49 inline void PSParallelCompact::MarkAndPushClosure::do_oop_nv(T* p) {
50 mark_and_push(_compaction_manager, p);
51 }
52
53 inline void PSParallelCompact::MarkAndPushClosure::do_oop(oop* p) { do_oop_nv(p); }
54 inline void PSParallelCompact::MarkAndPushClosure::do_oop(narrowOop* p) { do_oop_nv(p); }
55
56 inline void PSParallelCompact::follow_klass(ParCompactionManager* cm, Klass* klass) {
57 oop holder = klass->klass_holder();
58 mark_and_push(cm, &holder);
59 }
60
61 template <class T>
62 inline void PSParallelCompact::adjust_pointer(T* p) {
63 T heap_oop = oopDesc::load_heap_oop(p);
64 if (!oopDesc::is_null(heap_oop)) {
65 oop obj = oopDesc::decode_heap_oop_not_null(heap_oop);
66 assert(ParallelScavengeHeap::heap()->is_in(obj), "should be in heap");
67
68 oop new_obj = (oop)summary_data().calc_new_pointer(obj);
69 assert(new_obj != NULL, // is forwarding ptr?
70 "should be forwarded");
71 // Just always do the update unconditionally?
72 if (new_obj != NULL) {
73 assert(ParallelScavengeHeap::heap()->is_in_reserved(new_obj),
74 "should be in object space");
75 oopDesc::encode_store_heap_oop_not_null(p, new_obj);
76 }
77 }
78 }
79
80 template <typename T>
81 void PSParallelCompact::AdjustPointerClosure::do_oop_nv(T* p) {
82 adjust_pointer(p);
83 }
84
85 inline void PSParallelCompact::AdjustPointerClosure::do_oop(oop* p) { do_oop_nv(p); }
86 inline void PSParallelCompact::AdjustPointerClosure::do_oop(narrowOop* p) { do_oop_nv(p); }
87
88 #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSPARALLELCOMPACT_INLINE_HPP
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