617
618 #if INCLUDE_CDS_JAVA_HEAP
619 // Used at CDS dump time to access the archived mirror. No GC barrier.
620 oop Klass::archived_java_mirror_raw() {
621 assert(has_raw_archived_mirror(), "must have raw archived mirror");
622 return CompressedOops::decode(_archived_mirror);
623 }
624
625 narrowOop Klass::archived_java_mirror_raw_narrow() {
626 assert(has_raw_archived_mirror(), "must have raw archived mirror");
627 return _archived_mirror;
628 }
629
630 // No GC barrier
631 void Klass::set_archived_java_mirror_raw(oop m) {
632 assert(DumpSharedSpaces, "called only during runtime");
633 _archived_mirror = CompressedOops::encode(m);
634 }
635 #endif // INCLUDE_CDS_JAVA_HEAP
636
637 Klass* Klass::array_klass_or_null(int rank) {
638 EXCEPTION_MARK;
639 // No exception can be thrown by array_klass_impl when called with or_null == true.
640 // (In anycase, the execption mark will fail if it do so)
641 return array_klass_impl(true, rank, THREAD);
642 }
643
644
645 Klass* Klass::array_klass_or_null() {
646 EXCEPTION_MARK;
647 // No exception can be thrown by array_klass_impl when called with or_null == true.
648 // (In anycase, the execption mark will fail if it do so)
649 return array_klass_impl(true, THREAD);
650 }
651
652
653 Klass* Klass::array_klass_impl(bool or_null, int rank, TRAPS) {
654 fatal("array_klass should be dispatched to InstanceKlass, ObjArrayKlass or TypeArrayKlass");
655 return NULL;
656 }
657
658
659 Klass* Klass::array_klass_impl(bool or_null, TRAPS) {
660 fatal("array_klass should be dispatched to InstanceKlass, ObjArrayKlass or TypeArrayKlass");
661 return NULL;
662 }
663
664 void Klass::check_array_allocation_length(int length, int max_length, TRAPS) {
665 if (length > max_length) {
666 if (!THREAD->in_retryable_allocation()) {
667 report_java_out_of_memory("Requested array size exceeds VM limit");
668 JvmtiExport::post_array_size_exhausted();
669 THROW_OOP(Universe::out_of_memory_error_array_size());
670 } else {
671 THROW_OOP(Universe::out_of_memory_error_retry());
672 }
673 } else if (length < 0) {
674 THROW_MSG(vmSymbols::java_lang_NegativeArraySizeException(), err_msg("%d", length));
675 }
676 }
677
678 oop Klass::class_loader() const { return class_loader_data()->class_loader(); }
679
731 ResourceMark rm;
732 // print title
733 st->print("%s", internal_name());
734 print_address_on(st);
735 st->cr();
736 }
737
738 #define BULLET " - "
739
740 void Klass::oop_print_on(oop obj, outputStream* st) {
741 // print title
742 st->print_cr("%s ", internal_name());
743 obj->print_address_on(st);
744
745 if (WizardMode) {
746 // print header
747 obj->mark()->print_on(st);
748 st->cr();
749 st->print(BULLET"prototype_header: " INTPTR_FORMAT, p2i(_prototype_header));
750 st->cr();
751 }
752
753 // print class
754 st->print(BULLET"klass: ");
755 obj->klass()->print_value_on(st);
756 st->cr();
757 }
758
759 void Klass::oop_print_value_on(oop obj, outputStream* st) {
760 // print title
761 ResourceMark rm; // Cannot print in debug mode without this
762 st->print("%s", internal_name());
763 obj->print_address_on(st);
764 }
765
766 #if INCLUDE_SERVICES
767 // Size Statistics
768 void Klass::collect_statistics(KlassSizeStats *sz) const {
769 sz->_klass_bytes = sz->count(this);
770 sz->_mirror_bytes = sz->count(java_mirror());
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617
618 #if INCLUDE_CDS_JAVA_HEAP
619 // Used at CDS dump time to access the archived mirror. No GC barrier.
620 oop Klass::archived_java_mirror_raw() {
621 assert(has_raw_archived_mirror(), "must have raw archived mirror");
622 return CompressedOops::decode(_archived_mirror);
623 }
624
625 narrowOop Klass::archived_java_mirror_raw_narrow() {
626 assert(has_raw_archived_mirror(), "must have raw archived mirror");
627 return _archived_mirror;
628 }
629
630 // No GC barrier
631 void Klass::set_archived_java_mirror_raw(oop m) {
632 assert(DumpSharedSpaces, "called only during runtime");
633 _archived_mirror = CompressedOops::encode(m);
634 }
635 #endif // INCLUDE_CDS_JAVA_HEAP
636
637 Klass* Klass::array_klass_or_null(ArrayStorageProperties storage_props, int rank) {
638 EXCEPTION_MARK;
639 // No exception can be thrown by array_klass_impl when called with or_null == true.
640 // (In anycase, the execption mark will fail if it do so)
641 return array_klass_impl(storage_props, true, rank, THREAD);
642 }
643
644
645 Klass* Klass::array_klass_or_null(ArrayStorageProperties storage_props) {
646 EXCEPTION_MARK;
647 // No exception can be thrown by array_klass_impl when called with or_null == true.
648 // (In anycase, the execption mark will fail if it do so)
649 return array_klass_impl(storage_props, true, THREAD);
650 }
651
652
653 Klass* Klass::array_klass_impl(ArrayStorageProperties storage_props, bool or_null, int rank, TRAPS) {
654 fatal("array_klass should be dispatched to InstanceKlass, ObjArrayKlass or TypeArrayKlass");
655 return NULL;
656 }
657
658
659 Klass* Klass::array_klass_impl(ArrayStorageProperties storage_props, bool or_null, TRAPS) {
660 fatal("array_klass should be dispatched to InstanceKlass, ObjArrayKlass or TypeArrayKlass");
661 return NULL;
662 }
663
664 void Klass::check_array_allocation_length(int length, int max_length, TRAPS) {
665 if (length > max_length) {
666 if (!THREAD->in_retryable_allocation()) {
667 report_java_out_of_memory("Requested array size exceeds VM limit");
668 JvmtiExport::post_array_size_exhausted();
669 THROW_OOP(Universe::out_of_memory_error_array_size());
670 } else {
671 THROW_OOP(Universe::out_of_memory_error_retry());
672 }
673 } else if (length < 0) {
674 THROW_MSG(vmSymbols::java_lang_NegativeArraySizeException(), err_msg("%d", length));
675 }
676 }
677
678 oop Klass::class_loader() const { return class_loader_data()->class_loader(); }
679
731 ResourceMark rm;
732 // print title
733 st->print("%s", internal_name());
734 print_address_on(st);
735 st->cr();
736 }
737
738 #define BULLET " - "
739
740 void Klass::oop_print_on(oop obj, outputStream* st) {
741 // print title
742 st->print_cr("%s ", internal_name());
743 obj->print_address_on(st);
744
745 if (WizardMode) {
746 // print header
747 obj->mark()->print_on(st);
748 st->cr();
749 st->print(BULLET"prototype_header: " INTPTR_FORMAT, p2i(_prototype_header));
750 st->cr();
751 ArrayStorageProperties props = obj->array_storage_properties();
752 if (props.value() != 0) {
753 st->print(" - array storage properties: ");
754 if (props.is_flattened()) {
755 st->print(" flat");
756 }
757 if (props.is_null_free()) {
758 st->print(" non nullable");
759 }
760 }
761 }
762
763 // print class
764 st->print(BULLET"klass: ");
765 obj->klass()->print_value_on(st);
766 st->cr();
767 }
768
769 void Klass::oop_print_value_on(oop obj, outputStream* st) {
770 // print title
771 ResourceMark rm; // Cannot print in debug mode without this
772 st->print("%s", internal_name());
773 obj->print_address_on(st);
774 }
775
776 #if INCLUDE_SERVICES
777 // Size Statistics
778 void Klass::collect_statistics(KlassSizeStats *sz) const {
779 sz->_klass_bytes = sz->count(this);
780 sz->_mirror_bytes = sz->count(java_mirror());
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