43 inline void G1RemSet::par_write_ref(HeapRegion* from, T* p, uint tid) { 44 oop obj = oopDesc::load_decode_heap_oop(p); 45 if (obj == NULL) { 46 return; 47 } 48 49 #ifdef ASSERT 50 // can't do because of races 51 // assert(obj == NULL || obj->is_oop(), "expected an oop"); 52 53 // Do the safe subset of is_oop 54 #ifdef CHECK_UNHANDLED_OOPS 55 oopDesc* o = obj.obj(); 56 #else 57 oopDesc* o = obj; 58 #endif // CHECK_UNHANDLED_OOPS 59 assert((intptr_t)o % MinObjAlignmentInBytes == 0, "not oop aligned"); 60 assert(_g1->is_in_reserved(obj), "must be in heap"); 61 #endif // ASSERT 62 63 assert(from == NULL || from->is_in_reserved(p), "p is not in from"); 64 65 HeapRegion* to = _g1->heap_region_containing(obj); 66 if (from != to) { 67 assert(to->rem_set() != NULL, "Need per-region 'into' remsets."); 68 to->rem_set()->add_reference(p, tid); 69 } 70 } 71 72 template <class T> 73 inline void UpdateRSOopClosure::do_oop_work(T* p) { 74 assert(_from != NULL, "from region must be non-NULL"); 75 _rs->par_write_ref(_from, p, _worker_i); 76 } 77 78 #endif // SHARE_VM_GC_G1_G1REMSET_INLINE_HPP | 43 inline void G1RemSet::par_write_ref(HeapRegion* from, T* p, uint tid) { 44 oop obj = oopDesc::load_decode_heap_oop(p); 45 if (obj == NULL) { 46 return; 47 } 48 49 #ifdef ASSERT 50 // can't do because of races 51 // assert(obj == NULL || obj->is_oop(), "expected an oop"); 52 53 // Do the safe subset of is_oop 54 #ifdef CHECK_UNHANDLED_OOPS 55 oopDesc* o = obj.obj(); 56 #else 57 oopDesc* o = obj; 58 #endif // CHECK_UNHANDLED_OOPS 59 assert((intptr_t)o % MinObjAlignmentInBytes == 0, "not oop aligned"); 60 assert(_g1->is_in_reserved(obj), "must be in heap"); 61 #endif // ASSERT 62 63 HeapRegion* to = _g1->heap_region_containing(obj); 64 if (from != to) { 65 assert(to->rem_set() != NULL, "Need per-region 'into' remsets."); 66 to->rem_set()->add_reference(p, tid); 67 } 68 } 69 70 template <class T> 71 inline void UpdateRSOopClosure::do_oop_work(T* p) { 72 assert(_from != NULL, "from region must be non-NULL"); 73 _rs->par_write_ref(_from, p, _worker_i); 74 } 75 76 #endif // SHARE_VM_GC_G1_G1REMSET_INLINE_HPP |