< prev index next > src/hotspot/share/gc/shared/modRefBarrierSet.hpp
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// at the address "start", which may not necessarily be HeapWord-aligned
inline void write_ref_array(HeapWord* start, size_t count);
protected:
virtual void write_ref_array_work(MemRegion mr) = 0;
-
public:
// The ModRef abstraction introduces pre and post barriers
template <DecoratorSet decorators, typename BarrierSetT>
class AccessBarrier: public BarrierSet::AccessBarrier<decorators, BarrierSetT> {
typedef BarrierSet::AccessBarrier<decorators, BarrierSetT> Raw;
static oop oop_atomic_cmpxchg_in_heap(T* addr, oop compare_value, oop new_value);
template <typename T>
static oop oop_atomic_xchg_in_heap(T* addr, oop new_value);
template <typename T>
- static bool oop_arraycopy_in_heap(arrayOop src_obj, size_t src_offset_in_bytes, T* src_raw,
+ static void oop_arraycopy_in_heap(arrayOop src_obj, size_t src_offset_in_bytes, T* src_raw,
arrayOop dst_obj, size_t dst_offset_in_bytes, T* dst_raw,
size_t length);
-
+ private:
+ // Failing checkcast or check null during copy, still needs barrier
+ template <typename T>
+ static inline void oop_arraycopy_partial_barrier(BarrierSetT *bs, T* dst_raw, T* p);
+ public:
static void clone_in_heap(oop src, oop dst, size_t size);
static void oop_store_in_heap_at(oop base, ptrdiff_t offset, oop value) {
oop_store_in_heap(AccessInternal::oop_field_addr<decorators>(base, offset), value);
}
}
static oop oop_atomic_cmpxchg_in_heap_at(oop base, ptrdiff_t offset, oop compare_value, oop new_value) {
return oop_atomic_cmpxchg_in_heap(AccessInternal::oop_field_addr<decorators>(base, offset), compare_value, new_value);
}
+
+ static void value_copy_in_heap(void* src, void* dst, InlineKlass* md);
};
};
template<>
struct BarrierSet::GetName<ModRefBarrierSet> {
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