44 _verify_option(option), 45 _cc(0) { 46 } 47 48 void G1VerifyOopClosure::print_object(outputStream* out, oop obj) { 49 #ifdef PRODUCT 50 Klass* k = obj->klass(); 51 const char* class_name = InstanceKlass::cast(k)->external_name(); 52 out->print_cr("class name %s", class_name); 53 #else // PRODUCT 54 obj->print_on(out); 55 #endif // PRODUCT 56 } 57 58 template <class T> void G1VerifyOopClosure::do_oop_work(T* p) { 59 T heap_oop = RawAccess<>::oop_load(p); 60 if (!CompressedOops::is_null(heap_oop)) { 61 _cc++; 62 oop obj = CompressedOops::decode_not_null(heap_oop); 63 bool failed = false; 64 if (!_g1h->is_in_closed_subset(obj) || _g1h->is_obj_dead_cond(obj, _verify_option)) { 65 MutexLockerEx x(ParGCRareEvent_lock, 66 Mutex::_no_safepoint_check_flag); 67 LogStreamHandle(Error, gc, verify) yy; 68 if (!_failures) { 69 yy.cr(); 70 yy.print_cr("----------"); 71 } 72 if (!_g1h->is_in_closed_subset(obj)) { 73 HeapRegion* from = _g1h->heap_region_containing((HeapWord*)p); 74 yy.print_cr("Field " PTR_FORMAT " of live obj " PTR_FORMAT " in region " HR_FORMAT, 75 p2i(p), p2i(_containing_obj), HR_FORMAT_PARAMS(from)); 76 print_object(&yy, _containing_obj); 77 yy.print_cr("points to obj " PTR_FORMAT " not in the heap", 78 p2i(obj)); 79 } else { 80 HeapRegion* from = _g1h->heap_region_containing((HeapWord*)p); 81 HeapRegion* to = _g1h->heap_region_containing((HeapWord*)obj); 82 yy.print_cr("Field " PTR_FORMAT " of live obj " PTR_FORMAT " in region " HR_FORMAT, 83 p2i(p), p2i(_containing_obj), HR_FORMAT_PARAMS(from)); 84 print_object(&yy, _containing_obj); 85 yy.print_cr("points to dead obj " PTR_FORMAT " in region " HR_FORMAT, 86 p2i(obj), HR_FORMAT_PARAMS(to)); 87 print_object(&yy, obj); 88 } 89 yy.print_cr("----------"); 90 yy.flush(); 91 _failures = true; 92 failed = true; | 44 _verify_option(option), 45 _cc(0) { 46 } 47 48 void G1VerifyOopClosure::print_object(outputStream* out, oop obj) { 49 #ifdef PRODUCT 50 Klass* k = obj->klass(); 51 const char* class_name = InstanceKlass::cast(k)->external_name(); 52 out->print_cr("class name %s", class_name); 53 #else // PRODUCT 54 obj->print_on(out); 55 #endif // PRODUCT 56 } 57 58 template <class T> void G1VerifyOopClosure::do_oop_work(T* p) { 59 T heap_oop = RawAccess<>::oop_load(p); 60 if (!CompressedOops::is_null(heap_oop)) { 61 _cc++; 62 oop obj = CompressedOops::decode_not_null(heap_oop); 63 bool failed = false; 64 if (!_g1h->is_in(obj) || _g1h->is_obj_dead_cond(obj, _verify_option)) { 65 MutexLockerEx x(ParGCRareEvent_lock, 66 Mutex::_no_safepoint_check_flag); 67 LogStreamHandle(Error, gc, verify) yy; 68 if (!_failures) { 69 yy.cr(); 70 yy.print_cr("----------"); 71 } 72 if (!_g1h->is_in(obj)) { 73 HeapRegion* from = _g1h->heap_region_containing((HeapWord*)p); 74 yy.print_cr("Field " PTR_FORMAT " of live obj " PTR_FORMAT " in region " HR_FORMAT, 75 p2i(p), p2i(_containing_obj), HR_FORMAT_PARAMS(from)); 76 print_object(&yy, _containing_obj); 77 yy.print_cr("points to obj " PTR_FORMAT " not in the heap", 78 p2i(obj)); 79 } else { 80 HeapRegion* from = _g1h->heap_region_containing((HeapWord*)p); 81 HeapRegion* to = _g1h->heap_region_containing((HeapWord*)obj); 82 yy.print_cr("Field " PTR_FORMAT " of live obj " PTR_FORMAT " in region " HR_FORMAT, 83 p2i(p), p2i(_containing_obj), HR_FORMAT_PARAMS(from)); 84 print_object(&yy, _containing_obj); 85 yy.print_cr("points to dead obj " PTR_FORMAT " in region " HR_FORMAT, 86 p2i(obj), HR_FORMAT_PARAMS(to)); 87 print_object(&yy, obj); 88 } 89 yy.print_cr("----------"); 90 yy.flush(); 91 _failures = true; 92 failed = true; |