138 139 ZBarrier::load_barrier_on_oop_field(addr); 140 return Raw::oop_atomic_cmpxchg_in_heap(new_value, addr, compare_value); 141 } 142 143 template <DecoratorSet decorators, typename BarrierSetT> 144 inline oop ZBarrierSet::AccessBarrier<decorators, BarrierSetT>::oop_atomic_cmpxchg_in_heap_at(oop new_value, oop base, ptrdiff_t offset, oop compare_value) { 145 verify_decorators_present<ON_STRONG_OOP_REF | ON_UNKNOWN_OOP_REF>(); 146 verify_decorators_absent<AS_NO_KEEPALIVE>(); 147 148 // Through Unsafe.CompareAndExchangeObject()/CompareAndSetObject() we can receive 149 // calls with ON_UNKNOWN_OOP_REF set. However, we treat these as ON_STRONG_OOP_REF, 150 // with the motivation that if you're doing Unsafe operations on a Reference.referent 151 // field, then you're on your own anyway. 152 ZBarrier::load_barrier_on_oop_field(field_addr(base, offset)); 153 return Raw::oop_atomic_cmpxchg_in_heap_at(new_value, base, offset, compare_value); 154 } 155 156 template <DecoratorSet decorators, typename BarrierSetT> 157 template <typename T> 158 inline oop ZBarrierSet::AccessBarrier<decorators, BarrierSetT>::oop_atomic_xchg_in_heap(oop new_value, T* addr) { 159 verify_decorators_present<ON_STRONG_OOP_REF>(); 160 verify_decorators_absent<AS_NO_KEEPALIVE>(); 161 162 const oop o = Raw::oop_atomic_xchg_in_heap(new_value, addr); 163 return ZBarrier::load_barrier_on_oop(o); 164 } 165 166 template <DecoratorSet decorators, typename BarrierSetT> 167 inline oop ZBarrierSet::AccessBarrier<decorators, BarrierSetT>::oop_atomic_xchg_in_heap_at(oop new_value, oop base, ptrdiff_t offset) { 168 verify_decorators_present<ON_STRONG_OOP_REF>(); 169 verify_decorators_absent<AS_NO_KEEPALIVE>(); 170 171 const oop o = Raw::oop_atomic_xchg_in_heap_at(new_value, base, offset); 172 return ZBarrier::load_barrier_on_oop(o); 173 } 174 175 template <DecoratorSet decorators, typename BarrierSetT> 176 template <typename T> 177 inline bool ZBarrierSet::AccessBarrier<decorators, BarrierSetT>::oop_arraycopy_in_heap(arrayOop src_obj, size_t src_offset_in_bytes, T* src_raw, 178 arrayOop dst_obj, size_t dst_offset_in_bytes, T* dst_raw, 179 size_t length) { 180 T* src = arrayOopDesc::obj_offset_to_raw(src_obj, src_offset_in_bytes, src_raw); 181 T* dst = arrayOopDesc::obj_offset_to_raw(dst_obj, dst_offset_in_bytes, dst_raw); 182 183 if (!HasDecorator<decorators, ARRAYCOPY_CHECKCAST>::value) { 184 // No check cast, bulk barrier and bulk copy 185 ZBarrier::load_barrier_on_oop_array(src, length); 186 return Raw::oop_arraycopy_in_heap(NULL, 0, src, NULL, 0, dst, length); 187 } 188 189 // Check cast and copy each elements 190 Klass* const dst_klass = objArrayOop(dst_obj)->element_klass(); 191 for (const T* const end = src + length; src < end; src++, dst++) { 214 template <DecoratorSet decorators, typename BarrierSetT> 215 template <typename T> 216 inline oop ZBarrierSet::AccessBarrier<decorators, BarrierSetT>::oop_load_not_in_heap(T* addr) { 217 verify_decorators_absent<ON_UNKNOWN_OOP_REF>(); 218 219 const oop o = Raw::oop_load_not_in_heap(addr); 220 return load_barrier_on_oop_field_preloaded(addr, o); 221 } 222 223 template <DecoratorSet decorators, typename BarrierSetT> 224 template <typename T> 225 inline oop ZBarrierSet::AccessBarrier<decorators, BarrierSetT>::oop_atomic_cmpxchg_not_in_heap(oop new_value, T* addr, oop compare_value) { 226 verify_decorators_present<ON_STRONG_OOP_REF>(); 227 verify_decorators_absent<AS_NO_KEEPALIVE>(); 228 229 return Raw::oop_atomic_cmpxchg_not_in_heap(new_value, addr, compare_value); 230 } 231 232 template <DecoratorSet decorators, typename BarrierSetT> 233 template <typename T> 234 inline oop ZBarrierSet::AccessBarrier<decorators, BarrierSetT>::oop_atomic_xchg_not_in_heap(oop new_value, T* addr) { 235 verify_decorators_present<ON_STRONG_OOP_REF>(); 236 verify_decorators_absent<AS_NO_KEEPALIVE>(); 237 238 return Raw::oop_atomic_xchg_not_in_heap(new_value, addr); 239 } 240 241 #endif // SHARE_GC_Z_ZBARRIERSET_INLINE_HPP | 138 139 ZBarrier::load_barrier_on_oop_field(addr); 140 return Raw::oop_atomic_cmpxchg_in_heap(new_value, addr, compare_value); 141 } 142 143 template <DecoratorSet decorators, typename BarrierSetT> 144 inline oop ZBarrierSet::AccessBarrier<decorators, BarrierSetT>::oop_atomic_cmpxchg_in_heap_at(oop new_value, oop base, ptrdiff_t offset, oop compare_value) { 145 verify_decorators_present<ON_STRONG_OOP_REF | ON_UNKNOWN_OOP_REF>(); 146 verify_decorators_absent<AS_NO_KEEPALIVE>(); 147 148 // Through Unsafe.CompareAndExchangeObject()/CompareAndSetObject() we can receive 149 // calls with ON_UNKNOWN_OOP_REF set. However, we treat these as ON_STRONG_OOP_REF, 150 // with the motivation that if you're doing Unsafe operations on a Reference.referent 151 // field, then you're on your own anyway. 152 ZBarrier::load_barrier_on_oop_field(field_addr(base, offset)); 153 return Raw::oop_atomic_cmpxchg_in_heap_at(new_value, base, offset, compare_value); 154 } 155 156 template <DecoratorSet decorators, typename BarrierSetT> 157 template <typename T> 158 inline oop ZBarrierSet::AccessBarrier<decorators, BarrierSetT>::oop_atomic_xchg_in_heap(T* addr, oop new_value) { 159 verify_decorators_present<ON_STRONG_OOP_REF>(); 160 verify_decorators_absent<AS_NO_KEEPALIVE>(); 161 162 const oop o = Raw::oop_atomic_xchg_in_heap(addr, new_value); 163 return ZBarrier::load_barrier_on_oop(o); 164 } 165 166 template <DecoratorSet decorators, typename BarrierSetT> 167 inline oop ZBarrierSet::AccessBarrier<decorators, BarrierSetT>::oop_atomic_xchg_in_heap_at(oop base, ptrdiff_t offset, oop new_value) { 168 verify_decorators_present<ON_STRONG_OOP_REF>(); 169 verify_decorators_absent<AS_NO_KEEPALIVE>(); 170 171 const oop o = Raw::oop_atomic_xchg_in_heap_at(base, offset, new_value); 172 return ZBarrier::load_barrier_on_oop(o); 173 } 174 175 template <DecoratorSet decorators, typename BarrierSetT> 176 template <typename T> 177 inline bool ZBarrierSet::AccessBarrier<decorators, BarrierSetT>::oop_arraycopy_in_heap(arrayOop src_obj, size_t src_offset_in_bytes, T* src_raw, 178 arrayOop dst_obj, size_t dst_offset_in_bytes, T* dst_raw, 179 size_t length) { 180 T* src = arrayOopDesc::obj_offset_to_raw(src_obj, src_offset_in_bytes, src_raw); 181 T* dst = arrayOopDesc::obj_offset_to_raw(dst_obj, dst_offset_in_bytes, dst_raw); 182 183 if (!HasDecorator<decorators, ARRAYCOPY_CHECKCAST>::value) { 184 // No check cast, bulk barrier and bulk copy 185 ZBarrier::load_barrier_on_oop_array(src, length); 186 return Raw::oop_arraycopy_in_heap(NULL, 0, src, NULL, 0, dst, length); 187 } 188 189 // Check cast and copy each elements 190 Klass* const dst_klass = objArrayOop(dst_obj)->element_klass(); 191 for (const T* const end = src + length; src < end; src++, dst++) { 214 template <DecoratorSet decorators, typename BarrierSetT> 215 template <typename T> 216 inline oop ZBarrierSet::AccessBarrier<decorators, BarrierSetT>::oop_load_not_in_heap(T* addr) { 217 verify_decorators_absent<ON_UNKNOWN_OOP_REF>(); 218 219 const oop o = Raw::oop_load_not_in_heap(addr); 220 return load_barrier_on_oop_field_preloaded(addr, o); 221 } 222 223 template <DecoratorSet decorators, typename BarrierSetT> 224 template <typename T> 225 inline oop ZBarrierSet::AccessBarrier<decorators, BarrierSetT>::oop_atomic_cmpxchg_not_in_heap(oop new_value, T* addr, oop compare_value) { 226 verify_decorators_present<ON_STRONG_OOP_REF>(); 227 verify_decorators_absent<AS_NO_KEEPALIVE>(); 228 229 return Raw::oop_atomic_cmpxchg_not_in_heap(new_value, addr, compare_value); 230 } 231 232 template <DecoratorSet decorators, typename BarrierSetT> 233 template <typename T> 234 inline oop ZBarrierSet::AccessBarrier<decorators, BarrierSetT>::oop_atomic_xchg_not_in_heap(T* addr, oop new_value) { 235 verify_decorators_present<ON_STRONG_OOP_REF>(); 236 verify_decorators_absent<AS_NO_KEEPALIVE>(); 237 238 return Raw::oop_atomic_xchg_not_in_heap(addr, new_value); 239 } 240 241 #endif // SHARE_GC_Z_ZBARRIERSET_INLINE_HPP |