614
615 #if INCLUDE_CDS_JAVA_HEAP
616 // Used at CDS dump time to access the archived mirror. No GC barrier.
617 oop Klass::archived_java_mirror_raw() {
618 assert(has_raw_archived_mirror(), "must have raw archived mirror");
619 return CompressedOops::decode(_archived_mirror);
620 }
621
622 narrowOop Klass::archived_java_mirror_raw_narrow() {
623 assert(has_raw_archived_mirror(), "must have raw archived mirror");
624 return _archived_mirror;
625 }
626
627 // No GC barrier
628 void Klass::set_archived_java_mirror_raw(oop m) {
629 assert(DumpSharedSpaces, "called only during runtime");
630 _archived_mirror = CompressedOops::encode(m);
631 }
632 #endif // INCLUDE_CDS_JAVA_HEAP
633
634 Klass* Klass::array_klass_or_null(int rank) {
635 EXCEPTION_MARK;
636 // No exception can be thrown by array_klass_impl when called with or_null == true.
637 // (In anycase, the execption mark will fail if it do so)
638 return array_klass_impl(true, rank, THREAD);
639 }
640
641
642 Klass* Klass::array_klass_or_null() {
643 EXCEPTION_MARK;
644 // No exception can be thrown by array_klass_impl when called with or_null == true.
645 // (In anycase, the execption mark will fail if it do so)
646 return array_klass_impl(true, THREAD);
647 }
648
649
650 Klass* Klass::array_klass_impl(bool or_null, int rank, TRAPS) {
651 fatal("array_klass should be dispatched to InstanceKlass, ObjArrayKlass or TypeArrayKlass");
652 return NULL;
653 }
654
655
656 Klass* Klass::array_klass_impl(bool or_null, TRAPS) {
657 fatal("array_klass should be dispatched to InstanceKlass, ObjArrayKlass or TypeArrayKlass");
658 return NULL;
659 }
660
661 void Klass::check_array_allocation_length(int length, int max_length, TRAPS) {
662 if (length > max_length) {
663 if (!THREAD->in_retryable_allocation()) {
664 report_java_out_of_memory("Requested array size exceeds VM limit");
665 JvmtiExport::post_array_size_exhausted();
666 THROW_OOP(Universe::out_of_memory_error_array_size());
667 } else {
668 THROW_OOP(Universe::out_of_memory_error_retry());
669 }
670 } else if (length < 0) {
671 THROW_MSG(vmSymbols::java_lang_NegativeArraySizeException(), err_msg("%d", length));
672 }
673 }
674
675 oop Klass::class_loader() const { return class_loader_data()->class_loader(); }
676
724
725 // Printing
726
727 void Klass::print_on(outputStream* st) const {
728 ResourceMark rm;
729 // print title
730 st->print("%s", internal_name());
731 print_address_on(st);
732 st->cr();
733 }
734
735 void Klass::oop_print_on(oop obj, outputStream* st) {
736 ResourceMark rm;
737 // print title
738 st->print_cr("%s ", internal_name());
739 obj->print_address_on(st);
740
741 if (WizardMode) {
742 // print header
743 obj->mark()->print_on(st);
744 }
745
746 // print class
747 st->print(" - klass: ");
748 obj->klass()->print_value_on(st);
749 st->cr();
750 }
751
752 void Klass::oop_print_value_on(oop obj, outputStream* st) {
753 // print title
754 ResourceMark rm; // Cannot print in debug mode without this
755 st->print("%s", internal_name());
756 obj->print_address_on(st);
757 }
758
759 #if INCLUDE_SERVICES
760 // Size Statistics
761 void Klass::collect_statistics(KlassSizeStats *sz) const {
762 sz->_klass_bytes = sz->count(this);
763 sz->_mirror_bytes = sz->count(java_mirror());
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614
615 #if INCLUDE_CDS_JAVA_HEAP
616 // Used at CDS dump time to access the archived mirror. No GC barrier.
617 oop Klass::archived_java_mirror_raw() {
618 assert(has_raw_archived_mirror(), "must have raw archived mirror");
619 return CompressedOops::decode(_archived_mirror);
620 }
621
622 narrowOop Klass::archived_java_mirror_raw_narrow() {
623 assert(has_raw_archived_mirror(), "must have raw archived mirror");
624 return _archived_mirror;
625 }
626
627 // No GC barrier
628 void Klass::set_archived_java_mirror_raw(oop m) {
629 assert(DumpSharedSpaces, "called only during runtime");
630 _archived_mirror = CompressedOops::encode(m);
631 }
632 #endif // INCLUDE_CDS_JAVA_HEAP
633
634 Klass* Klass::array_klass_or_null(ArrayStorageProperties storage_props, int rank) {
635 EXCEPTION_MARK;
636 // No exception can be thrown by array_klass_impl when called with or_null == true.
637 // (In anycase, the execption mark will fail if it do so)
638 return array_klass_impl(storage_props, true, rank, THREAD);
639 }
640
641
642 Klass* Klass::array_klass_or_null(ArrayStorageProperties storage_props) {
643 EXCEPTION_MARK;
644 // No exception can be thrown by array_klass_impl when called with or_null == true.
645 // (In anycase, the execption mark will fail if it do so)
646 return array_klass_impl(storage_props, true, THREAD);
647 }
648
649
650 Klass* Klass::array_klass_impl(ArrayStorageProperties storage_props, bool or_null, int rank, TRAPS) {
651 fatal("array_klass should be dispatched to InstanceKlass, ObjArrayKlass or TypeArrayKlass");
652 return NULL;
653 }
654
655
656 Klass* Klass::array_klass_impl(ArrayStorageProperties storage_props, bool or_null, TRAPS) {
657 fatal("array_klass should be dispatched to InstanceKlass, ObjArrayKlass or TypeArrayKlass");
658 return NULL;
659 }
660
661 void Klass::check_array_allocation_length(int length, int max_length, TRAPS) {
662 if (length > max_length) {
663 if (!THREAD->in_retryable_allocation()) {
664 report_java_out_of_memory("Requested array size exceeds VM limit");
665 JvmtiExport::post_array_size_exhausted();
666 THROW_OOP(Universe::out_of_memory_error_array_size());
667 } else {
668 THROW_OOP(Universe::out_of_memory_error_retry());
669 }
670 } else if (length < 0) {
671 THROW_MSG(vmSymbols::java_lang_NegativeArraySizeException(), err_msg("%d", length));
672 }
673 }
674
675 oop Klass::class_loader() const { return class_loader_data()->class_loader(); }
676
724
725 // Printing
726
727 void Klass::print_on(outputStream* st) const {
728 ResourceMark rm;
729 // print title
730 st->print("%s", internal_name());
731 print_address_on(st);
732 st->cr();
733 }
734
735 void Klass::oop_print_on(oop obj, outputStream* st) {
736 ResourceMark rm;
737 // print title
738 st->print_cr("%s ", internal_name());
739 obj->print_address_on(st);
740
741 if (WizardMode) {
742 // print header
743 obj->mark()->print_on(st);
744 ArrayStorageProperties props = obj->array_storage_properties();
745 if (props.value() != 0) {
746 st->print(" - array storage properties: ");
747 if (props.is_flattened()) {
748 st->print(" flat");
749 }
750 if (props.is_null_free()) {
751 st->print(" non nullable");
752 }
753 }
754 }
755
756 // print class
757 st->print(" - klass: ");
758 obj->klass()->print_value_on(st);
759 st->cr();
760 }
761
762 void Klass::oop_print_value_on(oop obj, outputStream* st) {
763 // print title
764 ResourceMark rm; // Cannot print in debug mode without this
765 st->print("%s", internal_name());
766 obj->print_address_on(st);
767 }
768
769 #if INCLUDE_SERVICES
770 // Size Statistics
771 void Klass::collect_statistics(KlassSizeStats *sz) const {
772 sz->_klass_bytes = sz->count(this);
773 sz->_mirror_bytes = sz->count(java_mirror());
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