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src/hotspot/share/gc/z/zBarrierSet.hpp

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 71     typedef BarrierSet::AccessBarrier<decorators, BarrierSetT> Raw;
 72 
 73     template <DecoratorSet expected>
 74     static void verify_decorators_present();
 75 
 76     template <DecoratorSet expected>
 77     static void verify_decorators_absent();
 78 
 79     static zpointer* field_addr(oop base, ptrdiff_t offset);
 80 
 81     static zaddress load_barrier(zpointer* p, zpointer o);
 82     static zaddress load_barrier_on_unknown_oop_ref(oop base, ptrdiff_t offset, zpointer* p, zpointer o);
 83 
 84     static void store_barrier_heap_with_healing(zpointer* p);
 85     static void store_barrier_heap_without_healing(zpointer* p);
 86     static void no_keep_alive_store_barrier_heap(zpointer* p);
 87 
 88     static void store_barrier_native_with_healing(zpointer* p);
 89     static void store_barrier_native_without_healing(zpointer* p);
 90 

 91     static void unsupported();
 92     static zaddress load_barrier(narrowOop* p, zpointer o) { unsupported(); return zaddress::null; }
 93     static zaddress load_barrier_on_unknown_oop_ref(oop base, ptrdiff_t offset, narrowOop* p, zpointer o) { unsupported(); return zaddress::null; }
 94     static void store_barrier_heap_with_healing(narrowOop* p) { unsupported(); }
 95     static void store_barrier_heap_without_healing(narrowOop* p)  { unsupported(); }
 96     static void no_keep_alive_store_barrier_heap(narrowOop* p)  { unsupported(); }
 97     static void store_barrier_native_with_healing(narrowOop* p)  { unsupported(); }
 98     static void store_barrier_native_without_healing(narrowOop* p)  { unsupported(); }
 99 
100     static zaddress oop_copy_one_barriers(zpointer* dst, zpointer* src);
101     static bool oop_copy_one_check_cast(zpointer* dst, zpointer* src, Klass* dst_klass);
102     static void oop_copy_one(zpointer* dst, zpointer* src);
103 
104     static bool oop_arraycopy_in_heap_check_cast(zpointer* dst, zpointer* src, size_t length, Klass* dst_klass);
105     static bool oop_arraycopy_in_heap_no_check_cast(zpointer* dst, zpointer* src, size_t length);
106 
107   public:
108     //
109     // In heap
110     //
111     static oop oop_load_in_heap(zpointer* p);
112     static oop oop_load_in_heap(oop* p)       { return oop_load_in_heap((zpointer*)p); };
113     static oop oop_load_in_heap(narrowOop* p) { unsupported(); return nullptr; }
114 
115     static oop oop_load_in_heap_at(oop base, ptrdiff_t offset);
116 
117     static void oop_store_in_heap(zpointer* p, oop value);
118     static void oop_store_in_heap(oop* p, oop value)       { oop_store_in_heap((zpointer*)p, value); }
119     static void oop_store_in_heap(narrowOop* p, oop value) { unsupported(); }
120     static void oop_store_in_heap_at(oop base, ptrdiff_t offset, oop value);
121 
122     static void oop_store_not_in_heap(zpointer* p, oop value);
123     static void oop_store_not_in_heap(oop* p, oop value)       { oop_store_not_in_heap((zpointer*)p, value); }
124     static void oop_store_not_in_heap(narrowOop* p, oop value) { unsupported(); }
125     static void oop_store_not_in_heap_at(oop base, ptrdiff_t offset, oop value);
126 
127     static oop oop_atomic_cmpxchg_in_heap(zpointer* p, oop compare_value, oop new_value);
128     static oop oop_atomic_cmpxchg_in_heap(oop* p, oop compare_value, oop new_value)       { return oop_atomic_cmpxchg_in_heap((zpointer*)p, compare_value, new_value); }
129     static oop oop_atomic_cmpxchg_in_heap(narrowOop* p, oop compare_value, oop new_value) { unsupported(); return nullptr; }
130     static oop oop_atomic_cmpxchg_in_heap_at(oop base, ptrdiff_t offset, oop compare_value, oop new_value);
131 
132     static oop oop_atomic_xchg_in_heap(zpointer* p, oop new_value);
133     static oop oop_atomic_xchg_in_heap(oop* p, oop new_value)       { return oop_atomic_xchg_in_heap((zpointer*)p, new_value); }
134     static oop oop_atomic_xchg_in_heap(narrowOop* p, oop new_value) { unsupported(); return nullptr; }
135     static oop oop_atomic_xchg_in_heap_at(oop base, ptrdiff_t offset, oop new_value);
136 
137     static bool oop_arraycopy_in_heap(arrayOop src_obj, size_t src_offset_in_bytes, zpointer* src_raw,
138                                       arrayOop dst_obj, size_t dst_offset_in_bytes, zpointer* dst_raw,
139                                       size_t length);
140     static bool oop_arraycopy_in_heap(arrayOop src_obj, size_t src_offset_in_bytes, oop* src_raw,
141                                       arrayOop dst_obj, size_t dst_offset_in_bytes, oop* dst_raw,
142                                       size_t length) {
143       return oop_arraycopy_in_heap(src_obj, src_offset_in_bytes, (zpointer*)src_raw,
144                                    dst_obj, dst_offset_in_bytes, (zpointer*)dst_raw,
145                                    length);
146     }
147     static bool oop_arraycopy_in_heap(arrayOop src_obj, size_t src_offset_in_bytes, narrowOop* src_raw,
148                                       arrayOop dst_obj, size_t dst_offset_in_bytes, narrowOop* dst_raw,
149                                       size_t length) { unsupported(); return false; }
150 
151     static void clone_in_heap(oop src, oop dst, size_t size);
152 


153     //
154     // Not in heap
155     //
156     static oop oop_load_not_in_heap(zpointer* p);
157     static oop oop_load_not_in_heap(oop* p);
158     static oop oop_load_not_in_heap(narrowOop* p) { unsupported(); return nullptr; }
159 
160     static oop oop_atomic_cmpxchg_not_in_heap(zpointer* p, oop compare_value, oop new_value);
161     static oop oop_atomic_cmpxchg_not_in_heap(oop* p, oop compare_value, oop new_value) {
162       return oop_atomic_cmpxchg_not_in_heap((zpointer*)p, compare_value, new_value);
163     }
164     static oop oop_atomic_cmpxchg_not_in_heap(narrowOop* addr, oop compare_value, oop new_value) { unsupported(); return nullptr; }
165 
166     static oop oop_atomic_xchg_not_in_heap(zpointer* p, oop new_value);
167     static oop oop_atomic_xchg_not_in_heap(oop* p, oop new_value)       { return oop_atomic_xchg_not_in_heap((zpointer*)p, new_value); }
168     static oop oop_atomic_xchg_not_in_heap(narrowOop* p, oop new_value) { unsupported(); return nullptr; }
169   };
170 };
171 
172 template<> struct BarrierSet::GetName<ZBarrierSet> {

 71     typedef BarrierSet::AccessBarrier<decorators, BarrierSetT> Raw;
 72 
 73     template <DecoratorSet expected>
 74     static void verify_decorators_present();
 75 
 76     template <DecoratorSet expected>
 77     static void verify_decorators_absent();
 78 
 79     static zpointer* field_addr(oop base, ptrdiff_t offset);
 80 
 81     static zaddress load_barrier(zpointer* p, zpointer o);
 82     static zaddress load_barrier_on_unknown_oop_ref(oop base, ptrdiff_t offset, zpointer* p, zpointer o);
 83 
 84     static void store_barrier_heap_with_healing(zpointer* p);
 85     static void store_barrier_heap_without_healing(zpointer* p);
 86     static void no_keep_alive_store_barrier_heap(zpointer* p);
 87 
 88     static void store_barrier_native_with_healing(zpointer* p);
 89     static void store_barrier_native_without_healing(zpointer* p);
 90 
 91     [[noreturn]]
 92     static void unsupported();
 93     static zaddress load_barrier(narrowOop* p, zpointer o) { unsupported(); return zaddress::null; }
 94     static zaddress load_barrier_on_unknown_oop_ref(oop base, ptrdiff_t offset, narrowOop* p, zpointer o) { unsupported(); return zaddress::null; }
 95     static void store_barrier_heap_with_healing(narrowOop* p) { unsupported(); }
 96     static void store_barrier_heap_without_healing(narrowOop* p)  { unsupported(); }
 97     static void no_keep_alive_store_barrier_heap(narrowOop* p)  { unsupported(); }
 98     static void store_barrier_native_with_healing(narrowOop* p)  { unsupported(); }
 99     static void store_barrier_native_without_healing(narrowOop* p)  { unsupported(); }
100 
101     static zaddress oop_copy_one_barriers(zpointer* dst, zpointer* src);
102     static OopCopyResult oop_copy_one_check_cast(zpointer* dst, zpointer* src, Klass* dst_klass);
103     static OopCopyResult oop_copy_one(zpointer* dst, zpointer* src);
104 
105     static OopCopyResult oop_arraycopy_in_heap_check_cast(zpointer* dst, zpointer* src, size_t length, Klass* dst_klass);
106     static OopCopyResult oop_arraycopy_in_heap_no_check_cast(zpointer* dst, zpointer* src, size_t length);
107 
108   public:
109     //
110     // In heap
111     //
112     static oop oop_load_in_heap(zpointer* p);
113     static oop oop_load_in_heap(oop* p)       { return oop_load_in_heap((zpointer*)p); };
114     static oop oop_load_in_heap(narrowOop* p) { unsupported(); return nullptr; }
115 
116     static oop oop_load_in_heap_at(oop base, ptrdiff_t offset);
117 
118     static void oop_store_in_heap(zpointer* p, oop value);
119     static void oop_store_in_heap(oop* p, oop value)       { oop_store_in_heap((zpointer*)p, value); }
120     static void oop_store_in_heap(narrowOop* p, oop value) { unsupported(); }
121     static void oop_store_in_heap_at(oop base, ptrdiff_t offset, oop value);
122 
123     static void oop_store_not_in_heap(zpointer* p, oop value);
124     static void oop_store_not_in_heap(oop* p, oop value)       { oop_store_not_in_heap((zpointer*)p, value); }
125     static void oop_store_not_in_heap(narrowOop* p, oop value) { unsupported(); }
126     static void oop_store_not_in_heap_at(oop base, ptrdiff_t offset, oop value);
127 
128     static oop oop_atomic_cmpxchg_in_heap(zpointer* p, oop compare_value, oop new_value);
129     static oop oop_atomic_cmpxchg_in_heap(oop* p, oop compare_value, oop new_value)       { return oop_atomic_cmpxchg_in_heap((zpointer*)p, compare_value, new_value); }
130     static oop oop_atomic_cmpxchg_in_heap(narrowOop* p, oop compare_value, oop new_value) { unsupported(); return nullptr; }
131     static oop oop_atomic_cmpxchg_in_heap_at(oop base, ptrdiff_t offset, oop compare_value, oop new_value);
132 
133     static oop oop_atomic_xchg_in_heap(zpointer* p, oop new_value);
134     static oop oop_atomic_xchg_in_heap(oop* p, oop new_value)       { return oop_atomic_xchg_in_heap((zpointer*)p, new_value); }
135     static oop oop_atomic_xchg_in_heap(narrowOop* p, oop new_value) { unsupported(); return nullptr; }
136     static oop oop_atomic_xchg_in_heap_at(oop base, ptrdiff_t offset, oop new_value);
137 
138     static OopCopyResult oop_arraycopy_in_heap(arrayOop src_obj, size_t src_offset_in_bytes, zpointer* src_raw,
139                                                arrayOop dst_obj, size_t dst_offset_in_bytes, zpointer* dst_raw,
140                                                size_t length);
141     static OopCopyResult oop_arraycopy_in_heap(arrayOop src_obj, size_t src_offset_in_bytes, oop* src_raw,
142                                                arrayOop dst_obj, size_t dst_offset_in_bytes, oop* dst_raw,
143                                               size_t length) {
144       return oop_arraycopy_in_heap(src_obj, src_offset_in_bytes, (zpointer*)src_raw,
145                                    dst_obj, dst_offset_in_bytes, (zpointer*)dst_raw,
146                                    length);
147     }
148     static OopCopyResult oop_arraycopy_in_heap(arrayOop src_obj, size_t src_offset_in_bytes, narrowOop* src_raw,
149                                                arrayOop dst_obj, size_t dst_offset_in_bytes, narrowOop* dst_raw,
150                                                size_t length) { unsupported(); }
151 
152     static void clone_in_heap(oop src, oop dst, size_t size);
153 
154     static void value_copy_in_heap(void* src, void* dst, InlineKlass* md, LayoutKind lk);
155 
156     //
157     // Not in heap
158     //
159     static oop oop_load_not_in_heap(zpointer* p);
160     static oop oop_load_not_in_heap(oop* p);
161     static oop oop_load_not_in_heap(narrowOop* p) { unsupported(); return nullptr; }
162 
163     static oop oop_atomic_cmpxchg_not_in_heap(zpointer* p, oop compare_value, oop new_value);
164     static oop oop_atomic_cmpxchg_not_in_heap(oop* p, oop compare_value, oop new_value) {
165       return oop_atomic_cmpxchg_not_in_heap((zpointer*)p, compare_value, new_value);
166     }
167     static oop oop_atomic_cmpxchg_not_in_heap(narrowOop* addr, oop compare_value, oop new_value) { unsupported(); return nullptr; }
168 
169     static oop oop_atomic_xchg_not_in_heap(zpointer* p, oop new_value);
170     static oop oop_atomic_xchg_not_in_heap(oop* p, oop new_value)       { return oop_atomic_xchg_not_in_heap((zpointer*)p, new_value); }
171     static oop oop_atomic_xchg_not_in_heap(narrowOop* p, oop new_value) { unsupported(); return nullptr; }
172   };
173 };
174 
175 template<> struct BarrierSet::GetName<ZBarrierSet> {
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