856
857
858 // It's the caller's responsibility to ensure glitch-freedom
859 // (if required).
860 void Universe::update_heap_info_at_gc() {
861 _heap_capacity_at_last_gc = heap()->capacity();
862 _heap_used_at_last_gc = heap()->used();
863 }
864
865
866 const char* Universe::narrow_oop_mode_to_string(Universe::NARROW_OOP_MODE mode) {
867 switch (mode) {
868 case UnscaledNarrowOop:
869 return "32-bit";
870 case ZeroBasedNarrowOop:
871 return "Zero based";
872 case DisjointBaseNarrowOop:
873 return "Non-zero disjoint base";
874 case HeapBasedNarrowOop:
875 return "Non-zero based";
876 }
877
878 ShouldNotReachHere();
879 return "";
880 }
881
882
883 Universe::NARROW_OOP_MODE Universe::narrow_oop_mode() {
884 if (narrow_oop_base_disjoint()) {
885 return DisjointBaseNarrowOop;
886 }
887
888 if (narrow_oop_base() != 0) {
889 return HeapBasedNarrowOop;
890 }
891
892 if (narrow_oop_shift() != 0) {
893 return ZeroBasedNarrowOop;
894 }
895
896 return UnscaledNarrowOop;
897 }
898
899 void initialize_known_method(LatestMethodCache* method_cache,
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856
857
858 // It's the caller's responsibility to ensure glitch-freedom
859 // (if required).
860 void Universe::update_heap_info_at_gc() {
861 _heap_capacity_at_last_gc = heap()->capacity();
862 _heap_used_at_last_gc = heap()->used();
863 }
864
865
866 const char* Universe::narrow_oop_mode_to_string(Universe::NARROW_OOP_MODE mode) {
867 switch (mode) {
868 case UnscaledNarrowOop:
869 return "32-bit";
870 case ZeroBasedNarrowOop:
871 return "Zero based";
872 case DisjointBaseNarrowOop:
873 return "Non-zero disjoint base";
874 case HeapBasedNarrowOop:
875 return "Non-zero based";
876 default:
877 ShouldNotReachHere();
878 return "";
879 }
880 }
881
882
883 Universe::NARROW_OOP_MODE Universe::narrow_oop_mode() {
884 if (narrow_oop_base_disjoint()) {
885 return DisjointBaseNarrowOop;
886 }
887
888 if (narrow_oop_base() != 0) {
889 return HeapBasedNarrowOop;
890 }
891
892 if (narrow_oop_shift() != 0) {
893 return ZeroBasedNarrowOop;
894 }
895
896 return UnscaledNarrowOop;
897 }
898
899 void initialize_known_method(LatestMethodCache* method_cache,
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