161 void G1InvokeIfNotTriggeredClosure::do_oop(oop* p) { do_oop_work(p); }
162 void G1InvokeIfNotTriggeredClosure::do_oop(narrowOop* p) { do_oop_work(p); }
163
164 template <class T>
165 inline void G1UpdateRSOrPushRefOopClosure::do_oop_work(T* p) {
166 oop obj = oopDesc::load_decode_heap_oop(p);
167 if (obj == NULL) {
168 return;
169 }
170
171 #ifdef ASSERT
172 // can't do because of races
173 // assert(obj == NULL || obj->is_oop(), "expected an oop");
174
175 // Do the safe subset of is_oop
176 #ifdef CHECK_UNHANDLED_OOPS
177 oopDesc* o = obj.obj();
178 #else
179 oopDesc* o = obj;
180 #endif // CHECK_UNHANDLED_OOPS
181 assert((intptr_t)o % MinObjAlignmentInBytes == 0, "not oop aligned");
182 assert(_g1->is_in_reserved(obj), "must be in heap");
183 #endif // ASSERT
184
185 assert(_from != NULL, "from region must be non-NULL");
186 assert(_from->is_in_reserved(p), "p is not in from");
187
188 HeapRegion* to = _g1->heap_region_containing(obj);
189 if (_from == to) {
190 // Normally this closure should only be called with cross-region references.
191 // But since Java threads are manipulating the references concurrently and we
192 // reload the values things may have changed.
193 return;
194 }
195
196 // The _record_refs_into_cset flag is true during the RSet
197 // updating part of an evacuation pause. It is false at all
198 // other times:
199 // * rebuilding the remembered sets after a full GC
200 // * during concurrent refinement.
201 // * updating the remembered sets of regions in the collection
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161 void G1InvokeIfNotTriggeredClosure::do_oop(oop* p) { do_oop_work(p); }
162 void G1InvokeIfNotTriggeredClosure::do_oop(narrowOop* p) { do_oop_work(p); }
163
164 template <class T>
165 inline void G1UpdateRSOrPushRefOopClosure::do_oop_work(T* p) {
166 oop obj = oopDesc::load_decode_heap_oop(p);
167 if (obj == NULL) {
168 return;
169 }
170
171 #ifdef ASSERT
172 // can't do because of races
173 // assert(obj == NULL || obj->is_oop(), "expected an oop");
174
175 // Do the safe subset of is_oop
176 #ifdef CHECK_UNHANDLED_OOPS
177 oopDesc* o = obj.obj();
178 #else
179 oopDesc* o = obj;
180 #endif // CHECK_UNHANDLED_OOPS
181 assert(((intptr_t)o & MinObjAlignmentInBytesMask) == 0, "not oop aligned");
182 assert(_g1->is_in_reserved(obj), "must be in heap");
183 #endif // ASSERT
184
185 assert(_from != NULL, "from region must be non-NULL");
186 assert(_from->is_in_reserved(p), "p is not in from");
187
188 HeapRegion* to = _g1->heap_region_containing(obj);
189 if (_from == to) {
190 // Normally this closure should only be called with cross-region references.
191 // But since Java threads are manipulating the references concurrently and we
192 // reload the values things may have changed.
193 return;
194 }
195
196 // The _record_refs_into_cset flag is true during the RSet
197 // updating part of an evacuation pause. It is false at all
198 // other times:
199 // * rebuilding the remembered sets after a full GC
200 // * during concurrent refinement.
201 // * updating the remembered sets of regions in the collection
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