Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/gc_implementation/g1/g1SATBCardTableModRefBS.hpp
src/share/vm/gc_implementation/g1/g1SATBCardTableModRefBS.hpp
- changeset 2784
- 92add02409c9
- parent 2708
- 1d1603768966
- parent 2781
- e1162778c1c8
- child 4542
- db9981fd3124
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| 2719:4f978fb6c81a | 2784:92add02409c9 |
|---|---|
| 35 | 35 |
| 36 // This barrier is specialized to use a logging barrier to support | 36 // This barrier is specialized to use a logging barrier to support |
| 37 // snapshot-at-the-beginning marking. | 37 // snapshot-at-the-beginning marking. |
| 38 | 38 |
| 39 class G1SATBCardTableModRefBS: public CardTableModRefBSForCTRS { | 39 class G1SATBCardTableModRefBS: public CardTableModRefBSForCTRS { |
| 40 private: | 40 public: |
| 41 // Add "pre_val" to a set of objects that may have been disconnected from the | 41 // Add "pre_val" to a set of objects that may have been disconnected from the |
| 42 // pre-marking object graph. | 42 // pre-marking object graph. |
| 43 static void enqueue(oop pre_val); | 43 static void enqueue(oop pre_val); |
| 44 | 44 |
| 45 public: | |
| 46 G1SATBCardTableModRefBS(MemRegion whole_heap, | 45 G1SATBCardTableModRefBS(MemRegion whole_heap, |
| 47 int max_covered_regions); | 46 int max_covered_regions); |
| 48 | 47 |
| 49 bool is_a(BarrierSet::Name bsn) { | 48 bool is_a(BarrierSet::Name bsn) { |
| 50 return bsn == BarrierSet::G1SATBCT || CardTableModRefBS::is_a(bsn); | 49 return bsn == BarrierSet::G1SATBCT || CardTableModRefBS::is_a(bsn); |
| 58 T heap_oop = oopDesc::load_heap_oop(field); | 57 T heap_oop = oopDesc::load_heap_oop(field); |
| 59 if (!oopDesc::is_null(heap_oop)) { | 58 if (!oopDesc::is_null(heap_oop)) { |
| 60 enqueue(oopDesc::decode_heap_oop(heap_oop)); | 59 enqueue(oopDesc::decode_heap_oop(heap_oop)); |
| 61 } | 60 } |
| 62 } | 61 } |
| 63 | |
| 64 // When we know the current java thread: | |
| 65 template <class T> static void write_ref_field_pre_static(T* field, oop newVal, | |
| 66 JavaThread* jt); | |
| 67 | 62 |
| 68 // We export this to make it available in cases where the static | 63 // We export this to make it available in cases where the static |
| 69 // type of the barrier set is known. Note that it is non-virtual. | 64 // type of the barrier set is known. Note that it is non-virtual. |
| 70 template <class T> inline void inline_write_ref_field_pre(T* field, oop newVal) { | 65 template <class T> inline void inline_write_ref_field_pre(T* field, oop newVal) { |
| 71 write_ref_field_pre_static(field, newVal); | 66 write_ref_field_pre_static(field, newVal); |
