66 inline void write_ref_array(HeapWord* start, size_t count);
67
68 protected:
69 virtual void write_ref_array_work(MemRegion mr) = 0;
70
71 public:
72 // The ModRef abstraction introduces pre and post barriers
73 template <DecoratorSet decorators, typename BarrierSetT>
74 class AccessBarrier: public BarrierSet::AccessBarrier<decorators, BarrierSetT> {
75 typedef BarrierSet::AccessBarrier<decorators, BarrierSetT> Raw;
76
77 public:
78 template <typename T>
79 static void oop_store_in_heap(T* addr, oop value);
80 template <typename T>
81 static oop oop_atomic_cmpxchg_in_heap(oop new_value, T* addr, oop compare_value);
82 template <typename T>
83 static oop oop_atomic_xchg_in_heap(oop new_value, T* addr);
84
85 template <typename T>
86 static bool oop_arraycopy_in_heap(arrayOop src_obj, arrayOop dst_obj, T* src, T* dst, size_t length);
87
88 static void clone_in_heap(oop src, oop dst, size_t size);
89
90 static void oop_store_in_heap_at(oop base, ptrdiff_t offset, oop value) {
91 oop_store_in_heap(AccessInternal::oop_field_addr<decorators>(base, offset), value);
92 }
93
94 static oop oop_atomic_xchg_in_heap_at(oop new_value, oop base, ptrdiff_t offset) {
95 return oop_atomic_xchg_in_heap(new_value, AccessInternal::oop_field_addr<decorators>(base, offset));
96 }
97
98 static oop oop_atomic_cmpxchg_in_heap_at(oop new_value, oop base, ptrdiff_t offset, oop compare_value) {
99 return oop_atomic_cmpxchg_in_heap(new_value, AccessInternal::oop_field_addr<decorators>(base, offset), compare_value);
100 }
101 };
102 };
103
104 template<>
105 struct BarrierSet::GetName<ModRefBarrierSet> {
106 static const BarrierSet::Name value = BarrierSet::ModRef;
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66 inline void write_ref_array(HeapWord* start, size_t count);
67
68 protected:
69 virtual void write_ref_array_work(MemRegion mr) = 0;
70
71 public:
72 // The ModRef abstraction introduces pre and post barriers
73 template <DecoratorSet decorators, typename BarrierSetT>
74 class AccessBarrier: public BarrierSet::AccessBarrier<decorators, BarrierSetT> {
75 typedef BarrierSet::AccessBarrier<decorators, BarrierSetT> Raw;
76
77 public:
78 template <typename T>
79 static void oop_store_in_heap(T* addr, oop value);
80 template <typename T>
81 static oop oop_atomic_cmpxchg_in_heap(oop new_value, T* addr, oop compare_value);
82 template <typename T>
83 static oop oop_atomic_xchg_in_heap(oop new_value, T* addr);
84
85 template <typename T>
86 static bool oop_arraycopy_in_heap(arrayOop src_obj, size_t src_offset_in_bytes, const T* src_raw, arrayOop dst_obj, size_t dst_offset_in_bytes, T* dst_raw, size_t length);
87
88 static void clone_in_heap(oop src, oop dst, size_t size);
89
90 static void oop_store_in_heap_at(oop base, ptrdiff_t offset, oop value) {
91 oop_store_in_heap(AccessInternal::oop_field_addr<decorators>(base, offset), value);
92 }
93
94 static oop oop_atomic_xchg_in_heap_at(oop new_value, oop base, ptrdiff_t offset) {
95 return oop_atomic_xchg_in_heap(new_value, AccessInternal::oop_field_addr<decorators>(base, offset));
96 }
97
98 static oop oop_atomic_cmpxchg_in_heap_at(oop new_value, oop base, ptrdiff_t offset, oop compare_value) {
99 return oop_atomic_cmpxchg_in_heap(new_value, AccessInternal::oop_field_addr<decorators>(base, offset), compare_value);
100 }
101 };
102 };
103
104 template<>
105 struct BarrierSet::GetName<ModRefBarrierSet> {
106 static const BarrierSet::Name value = BarrierSet::ModRef;
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