16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
17 *
18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
19 * or visit www.oracle.com if you need additional information or have any
20 * questions.
21 *
22 */
23
24 #include "precompiled.hpp"
25 #include "gc/shared/cardTableBarrierSetAssembler.hpp"
26 #include "gc/shared/cardTableBarrierSet.inline.hpp"
27 #include "gc/shared/collectedHeap.hpp"
28 #include "gc/shared/space.inline.hpp"
29 #include "logging/log.hpp"
30 #include "memory/virtualspace.hpp"
31 #include "oops/oop.inline.hpp"
32 #include "runtime/thread.hpp"
33 #include "services/memTracker.hpp"
34 #include "utilities/align.hpp"
35 #include "utilities/macros.hpp"
36
37 // This kind of "BarrierSet" allows a "CollectedHeap" to detect and
38 // enumerate ref fields that have been modified (since the last
39 // enumeration.)
40
41 CardTableBarrierSet::CardTableBarrierSet(BarrierSetAssembler* barrier_set_assembler,
42 CardTable* card_table,
43 const BarrierSet::FakeRtti& fake_rtti) :
44 ModRefBarrierSet(barrier_set_assembler,
45 fake_rtti.add_tag(BarrierSet::CardTableBarrierSet)),
46 _defer_initial_card_mark(false),
47 _card_table(card_table)
48 {}
49
50 CardTableBarrierSet::CardTableBarrierSet(CardTable* card_table) :
51 ModRefBarrierSet(make_barrier_set_assembler<CardTableBarrierSetAssembler>(),
52 BarrierSet::FakeRtti(BarrierSet::CardTableBarrierSet)),
53 _defer_initial_card_mark(false),
54 _card_table(card_table)
55 {}
56
57 void CardTableBarrierSet::initialize() {
58 initialize_deferred_card_mark_barriers();
59 }
60
61 CardTableBarrierSet::~CardTableBarrierSet() {
62 delete _card_table;
63 }
64
65 void CardTableBarrierSet::write_ref_array_work(MemRegion mr) {
66 _card_table->dirty_MemRegion(mr);
67 }
68
69 void CardTableBarrierSet::invalidate(MemRegion mr) {
70 _card_table->invalidate(mr);
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16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
17 *
18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
19 * or visit www.oracle.com if you need additional information or have any
20 * questions.
21 *
22 */
23
24 #include "precompiled.hpp"
25 #include "gc/shared/cardTableBarrierSetAssembler.hpp"
26 #include "gc/shared/cardTableBarrierSet.inline.hpp"
27 #include "gc/shared/collectedHeap.hpp"
28 #include "gc/shared/space.inline.hpp"
29 #include "logging/log.hpp"
30 #include "memory/virtualspace.hpp"
31 #include "oops/oop.inline.hpp"
32 #include "runtime/thread.hpp"
33 #include "services/memTracker.hpp"
34 #include "utilities/align.hpp"
35 #include "utilities/macros.hpp"
36 #ifdef COMPILER1
37 #include "gc/shared/c1/cardTableBarrierSetC1.hpp"
38 #endif
39
40 class CardTableBarrierSetC1;
41
42 // This kind of "BarrierSet" allows a "CollectedHeap" to detect and
43 // enumerate ref fields that have been modified (since the last
44 // enumeration.)
45
46 CardTableBarrierSet::CardTableBarrierSet(BarrierSetAssembler* barrier_set_assembler,
47 BarrierSetC1* barrier_set_c1,
48 CardTable* card_table,
49 const BarrierSet::FakeRtti& fake_rtti) :
50 ModRefBarrierSet(barrier_set_assembler,
51 barrier_set_c1,
52 fake_rtti.add_tag(BarrierSet::CardTableBarrierSet)),
53 _defer_initial_card_mark(false),
54 _card_table(card_table)
55 {}
56
57 CardTableBarrierSet::CardTableBarrierSet(CardTable* card_table) :
58 ModRefBarrierSet(make_barrier_set_assembler<CardTableBarrierSetAssembler>(),
59 make_barrier_set_c1<CardTableBarrierSetC1>(),
60 BarrierSet::FakeRtti(BarrierSet::CardTableBarrierSet)),
61 _defer_initial_card_mark(false),
62 _card_table(card_table)
63 {}
64
65 void CardTableBarrierSet::initialize() {
66 initialize_deferred_card_mark_barriers();
67 }
68
69 CardTableBarrierSet::~CardTableBarrierSet() {
70 delete _card_table;
71 }
72
73 void CardTableBarrierSet::write_ref_array_work(MemRegion mr) {
74 _card_table->dirty_MemRegion(mr);
75 }
76
77 void CardTableBarrierSet::invalidate(MemRegion mr) {
78 _card_table->invalidate(mr);
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