55
56 inline void ParScanWeakRefClosure::do_oop_nv(oop* p) { ParScanWeakRefClosure::do_oop_work(p); }
57 inline void ParScanWeakRefClosure::do_oop_nv(narrowOop* p) { ParScanWeakRefClosure::do_oop_work(p); }
58
59 template <class T> inline void ParScanClosure::par_do_barrier(T* p) {
60 assert(generation()->is_in_reserved(p), "expected ref in generation");
61 assert(!oopDesc::is_null(*p), "expected non-null object");
62 oop obj = oopDesc::load_decode_heap_oop_not_null(p);
63 // If p points to a younger generation, mark the card.
64 if ((HeapWord*)obj < gen_boundary()) {
65 rs()->write_ref_field_gc_par(p, obj);
66 }
67 }
68
69 template <class T>
70 inline void ParScanClosure::do_oop_work(T* p,
71 bool gc_barrier,
72 bool root_scan) {
73 assert((!GenCollectedHeap::heap()->is_in_reserved(p) ||
74 generation()->is_in_reserved(p))
75 && (generation()->level() == 0 || gc_barrier),
76 "The gen must be right, and we must be doing the barrier "
77 "in older generations.");
78 T heap_oop = oopDesc::load_heap_oop(p);
79 if (!oopDesc::is_null(heap_oop)) {
80 oop obj = oopDesc::decode_heap_oop_not_null(heap_oop);
81 if ((HeapWord*)obj < _boundary) {
82 #ifndef PRODUCT
83 if (_g->to()->is_in_reserved(obj)) {
84 tty->print_cr("Scanning field (" PTR_FORMAT ") twice?", p2i(p));
85 GenCollectedHeap* gch = GenCollectedHeap::heap();
86 Space* sp = gch->space_containing(p);
87 oop obj = oop(sp->block_start(p));
88 assert((HeapWord*)obj < (HeapWord*)p, "Error");
89 tty->print_cr("Object: " PTR_FORMAT, p2i((void *)obj));
90 tty->print_cr("-------");
91 obj->print();
92 tty->print_cr("-----");
93 tty->print_cr("Heap:");
94 tty->print_cr("-----");
95 gch->print();
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55
56 inline void ParScanWeakRefClosure::do_oop_nv(oop* p) { ParScanWeakRefClosure::do_oop_work(p); }
57 inline void ParScanWeakRefClosure::do_oop_nv(narrowOop* p) { ParScanWeakRefClosure::do_oop_work(p); }
58
59 template <class T> inline void ParScanClosure::par_do_barrier(T* p) {
60 assert(generation()->is_in_reserved(p), "expected ref in generation");
61 assert(!oopDesc::is_null(*p), "expected non-null object");
62 oop obj = oopDesc::load_decode_heap_oop_not_null(p);
63 // If p points to a younger generation, mark the card.
64 if ((HeapWord*)obj < gen_boundary()) {
65 rs()->write_ref_field_gc_par(p, obj);
66 }
67 }
68
69 template <class T>
70 inline void ParScanClosure::do_oop_work(T* p,
71 bool gc_barrier,
72 bool root_scan) {
73 assert((!GenCollectedHeap::heap()->is_in_reserved(p) ||
74 generation()->is_in_reserved(p))
75 && (generation() == GenCollectedHeap::heap()->young_gen() || gc_barrier),
76 "The gen must be right, and we must be doing the barrier "
77 "in older generations.");
78 T heap_oop = oopDesc::load_heap_oop(p);
79 if (!oopDesc::is_null(heap_oop)) {
80 oop obj = oopDesc::decode_heap_oop_not_null(heap_oop);
81 if ((HeapWord*)obj < _boundary) {
82 #ifndef PRODUCT
83 if (_g->to()->is_in_reserved(obj)) {
84 tty->print_cr("Scanning field (" PTR_FORMAT ") twice?", p2i(p));
85 GenCollectedHeap* gch = GenCollectedHeap::heap();
86 Space* sp = gch->space_containing(p);
87 oop obj = oop(sp->block_start(p));
88 assert((HeapWord*)obj < (HeapWord*)p, "Error");
89 tty->print_cr("Object: " PTR_FORMAT, p2i((void *)obj));
90 tty->print_cr("-------");
91 obj->print();
92 tty->print_cr("-----");
93 tty->print_cr("Heap:");
94 tty->print_cr("-----");
95 gch->print();
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