593
594 Klass* Klass::array_klass_or_null() {
595 EXCEPTION_MARK;
596 // No exception can be thrown by array_klass_impl when called with or_null == true.
597 // (In anycase, the execption mark will fail if it do so)
598 return array_klass_impl(true, THREAD);
599 }
600
601
602 Klass* Klass::array_klass_impl(bool or_null, int rank, TRAPS) {
603 fatal("array_klass should be dispatched to InstanceKlass, ObjArrayKlass or TypeArrayKlass");
604 return NULL;
605 }
606
607
608 Klass* Klass::array_klass_impl(bool or_null, TRAPS) {
609 fatal("array_klass should be dispatched to InstanceKlass, ObjArrayKlass or TypeArrayKlass");
610 return NULL;
611 }
612
613 oop Klass::class_loader() const { return class_loader_data()->class_loader(); }
614
615 // In product mode, this function doesn't have virtual function calls so
616 // there might be some performance advantage to handling InstanceKlass here.
617 const char* Klass::external_name() const {
618 if (is_instance_klass()) {
619 const InstanceKlass* ik = static_cast<const InstanceKlass*>(this);
620 if (ik->is_unsafe_anonymous()) {
621 char addr_buf[20];
622 jio_snprintf(addr_buf, 20, "/" INTPTR_FORMAT, p2i(ik));
623 size_t addr_len = strlen(addr_buf);
624 size_t name_len = name()->utf8_length();
625 char* result = NEW_RESOURCE_ARRAY(char, name_len + addr_len + 1);
626 name()->as_klass_external_name(result, (int) name_len + 1);
627 assert(strlen(result) == name_len, "");
628 strcpy(result + name_len, addr_buf);
629 assert(strlen(result) == name_len + addr_len, "");
630 return result;
631 }
632 }
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593
594 Klass* Klass::array_klass_or_null() {
595 EXCEPTION_MARK;
596 // No exception can be thrown by array_klass_impl when called with or_null == true.
597 // (In anycase, the execption mark will fail if it do so)
598 return array_klass_impl(true, THREAD);
599 }
600
601
602 Klass* Klass::array_klass_impl(bool or_null, int rank, TRAPS) {
603 fatal("array_klass should be dispatched to InstanceKlass, ObjArrayKlass or TypeArrayKlass");
604 return NULL;
605 }
606
607
608 Klass* Klass::array_klass_impl(bool or_null, TRAPS) {
609 fatal("array_klass should be dispatched to InstanceKlass, ObjArrayKlass or TypeArrayKlass");
610 return NULL;
611 }
612
613 void Klass::check_array_allocation_length(int length, int max_length, TRAPS) {
614 if (length > max_length) {
615 if (!THREAD->in_retryable_allocation()) {
616 report_java_out_of_memory("Requested array size exceeds VM limit");
617 JvmtiExport::post_array_size_exhausted();
618 THROW_OOP(Universe::out_of_memory_error_array_size());
619 } else {
620 THROW_OOP(Universe::out_of_memory_error_retry());
621 }
622 }
623 }
624
625 oop Klass::class_loader() const { return class_loader_data()->class_loader(); }
626
627 // In product mode, this function doesn't have virtual function calls so
628 // there might be some performance advantage to handling InstanceKlass here.
629 const char* Klass::external_name() const {
630 if (is_instance_klass()) {
631 const InstanceKlass* ik = static_cast<const InstanceKlass*>(this);
632 if (ik->is_unsafe_anonymous()) {
633 char addr_buf[20];
634 jio_snprintf(addr_buf, 20, "/" INTPTR_FORMAT, p2i(ik));
635 size_t addr_len = strlen(addr_buf);
636 size_t name_len = name()->utf8_length();
637 char* result = NEW_RESOURCE_ARRAY(char, name_len + addr_len + 1);
638 name()->as_klass_external_name(result, (int) name_len + 1);
639 assert(strlen(result) == name_len, "");
640 strcpy(result + name_len, addr_buf);
641 assert(strlen(result) == name_len + addr_len, "");
642 return result;
643 }
644 }
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