78 it does not it will only result in duplicate entry in the update
79 buffer because of the "cache-miss". So it's not worth spinning.
80 */
81
82 bool is_card_claimed(size_t card_index) {
83 jbyte val = _byte_map[card_index];
84 return (val & (clean_card_mask_val() | claimed_card_val())) == claimed_card_val();
85 }
86
87 inline void set_card_claimed(size_t card_index);
88
89 void verify_g1_young_region(MemRegion mr) PRODUCT_RETURN;
90 void g1_mark_as_young(const MemRegion& mr);
91
92 bool mark_card_deferred(size_t card_index);
93
94 bool is_card_deferred(size_t card_index) {
95 jbyte val = _byte_map[card_index];
96 return (val & (clean_card_mask_val() | deferred_card_val())) == deferred_card_val();
97 }
98 virtual void write_ref_nmethod_pre(oop* dst, nmethod* nm);
99 virtual void write_ref_nmethod_post(oop* dst, nmethod* nm);
100
101 };
102
103 template<>
104 struct BarrierSet::GetName<G1SATBCardTableModRefBS> {
105 static const BarrierSet::Name value = BarrierSet::G1SATBCT;
106 };
107
108 class G1SATBCardTableLoggingModRefBSChangedListener : public G1MappingChangedListener {
109 private:
110 G1SATBCardTableLoggingModRefBS* _card_table;
111 public:
112 G1SATBCardTableLoggingModRefBSChangedListener() : _card_table(NULL) { }
113
114 void set_card_table(G1SATBCardTableLoggingModRefBS* card_table) { _card_table = card_table; }
115
116 virtual void on_commit(uint start_idx, size_t num_regions, bool zero_filled);
117 };
118
119 // Adds card-table logging to the post-barrier.
120 // Usual invariant: all dirty cards are logged in the DirtyCardQueueSet.
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78 it does not it will only result in duplicate entry in the update
79 buffer because of the "cache-miss". So it's not worth spinning.
80 */
81
82 bool is_card_claimed(size_t card_index) {
83 jbyte val = _byte_map[card_index];
84 return (val & (clean_card_mask_val() | claimed_card_val())) == claimed_card_val();
85 }
86
87 inline void set_card_claimed(size_t card_index);
88
89 void verify_g1_young_region(MemRegion mr) PRODUCT_RETURN;
90 void g1_mark_as_young(const MemRegion& mr);
91
92 bool mark_card_deferred(size_t card_index);
93
94 bool is_card_deferred(size_t card_index) {
95 jbyte val = _byte_map[card_index];
96 return (val & (clean_card_mask_val() | deferred_card_val())) == deferred_card_val();
97 }
98 };
99
100 template<>
101 struct BarrierSet::GetName<G1SATBCardTableModRefBS> {
102 static const BarrierSet::Name value = BarrierSet::G1SATBCT;
103 };
104
105 class G1SATBCardTableLoggingModRefBSChangedListener : public G1MappingChangedListener {
106 private:
107 G1SATBCardTableLoggingModRefBS* _card_table;
108 public:
109 G1SATBCardTableLoggingModRefBSChangedListener() : _card_table(NULL) { }
110
111 void set_card_table(G1SATBCardTableLoggingModRefBS* card_table) { _card_table = card_table; }
112
113 virtual void on_commit(uint start_idx, size_t num_regions, bool zero_filled);
114 };
115
116 // Adds card-table logging to the post-barrier.
117 // Usual invariant: all dirty cards are logged in the DirtyCardQueueSet.
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