647
648 // The following method needs to be MT safe.
649 uint oopDesc::age() const {
650 assert(!is_forwarded(), "Attempt to read age from forwarded mark");
651 if (has_displaced_mark()) {
652 return displaced_mark()->age();
653 } else {
654 return mark()->age();
655 }
656 }
657
658 void oopDesc::incr_age() {
659 assert(!is_forwarded(), "Attempt to increment age of forwarded mark");
660 if (has_displaced_mark()) {
661 set_displaced_mark(displaced_mark()->incr_age());
662 } else {
663 set_mark(mark()->incr_age());
664 }
665 }
666
667 int oopDesc::ms_adjust_pointers() {
668 debug_only(int check_size = size());
669 int s = klass()->oop_ms_adjust_pointers(this);
670 assert(s == check_size, "should be the same");
671 return s;
672 }
673
674 #if INCLUDE_ALL_GCS
675 void oopDesc::pc_follow_contents(ParCompactionManager* cm) {
676 klass()->oop_pc_follow_contents(this, cm);
677 }
678
679 void oopDesc::pc_update_contents(ParCompactionManager* cm) {
680 Klass* k = klass();
681 if (!k->is_typeArray_klass()) {
682 // It might contain oops beyond the header, so take the virtual call.
683 k->oop_pc_update_pointers(this, cm);
684 }
685 // Else skip it. The TypeArrayKlass in the header never needs scavenging.
686 }
687
688 void oopDesc::ps_push_contents(PSPromotionManager* pm) {
689 Klass* k = klass();
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647
648 // The following method needs to be MT safe.
649 uint oopDesc::age() const {
650 assert(!is_forwarded(), "Attempt to read age from forwarded mark");
651 if (has_displaced_mark()) {
652 return displaced_mark()->age();
653 } else {
654 return mark()->age();
655 }
656 }
657
658 void oopDesc::incr_age() {
659 assert(!is_forwarded(), "Attempt to increment age of forwarded mark");
660 if (has_displaced_mark()) {
661 set_displaced_mark(displaced_mark()->incr_age());
662 } else {
663 set_mark(mark()->incr_age());
664 }
665 }
666
667 int oopDesc::ms_adjust_pointers(MarkSweep* ms) {
668 debug_only(int check_size = size());
669 int s = klass()->oop_ms_adjust_pointers(this, ms);
670 assert(s == check_size, "should be the same");
671 return s;
672 }
673
674 #if INCLUDE_ALL_GCS
675 void oopDesc::pc_follow_contents(ParCompactionManager* cm) {
676 klass()->oop_pc_follow_contents(this, cm);
677 }
678
679 void oopDesc::pc_update_contents(ParCompactionManager* cm) {
680 Klass* k = klass();
681 if (!k->is_typeArray_klass()) {
682 // It might contain oops beyond the header, so take the virtual call.
683 k->oop_pc_update_pointers(this, cm);
684 }
685 // Else skip it. The TypeArrayKlass in the header never needs scavenging.
686 }
687
688 void oopDesc::ps_push_contents(PSPromotionManager* pm) {
689 Klass* k = klass();
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