594
595 Klass* Klass::array_klass_or_null() {
596 EXCEPTION_MARK;
597 // No exception can be thrown by array_klass_impl when called with or_null == true.
598 // (In anycase, the execption mark will fail if it do so)
599 return array_klass_impl(true, THREAD);
600 }
601
602
603 Klass* Klass::array_klass_impl(bool or_null, int rank, TRAPS) {
604 fatal("array_klass should be dispatched to InstanceKlass, ObjArrayKlass or TypeArrayKlass");
605 return NULL;
606 }
607
608
609 Klass* Klass::array_klass_impl(bool or_null, TRAPS) {
610 fatal("array_klass should be dispatched to InstanceKlass, ObjArrayKlass or TypeArrayKlass");
611 return NULL;
612 }
613
614 oop Klass::class_loader() const { return class_loader_data()->class_loader(); }
615
616 // In product mode, this function doesn't have virtual function calls so
617 // there might be some performance advantage to handling InstanceKlass here.
618 const char* Klass::external_name() const {
619 if (is_instance_klass()) {
620 const InstanceKlass* ik = static_cast<const InstanceKlass*>(this);
621 if (ik->is_unsafe_anonymous()) {
622 char addr_buf[20];
623 jio_snprintf(addr_buf, 20, "/" INTPTR_FORMAT, p2i(ik));
624 size_t addr_len = strlen(addr_buf);
625 size_t name_len = name()->utf8_length();
626 char* result = NEW_RESOURCE_ARRAY(char, name_len + addr_len + 1);
627 name()->as_klass_external_name(result, (int) name_len + 1);
628 assert(strlen(result) == name_len, "");
629 strcpy(result + name_len, addr_buf);
630 assert(strlen(result) == name_len + addr_len, "");
631 return result;
632 }
633 }
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594
595 Klass* Klass::array_klass_or_null() {
596 EXCEPTION_MARK;
597 // No exception can be thrown by array_klass_impl when called with or_null == true.
598 // (In anycase, the execption mark will fail if it do so)
599 return array_klass_impl(true, THREAD);
600 }
601
602
603 Klass* Klass::array_klass_impl(bool or_null, int rank, TRAPS) {
604 fatal("array_klass should be dispatched to InstanceKlass, ObjArrayKlass or TypeArrayKlass");
605 return NULL;
606 }
607
608
609 Klass* Klass::array_klass_impl(bool or_null, TRAPS) {
610 fatal("array_klass should be dispatched to InstanceKlass, ObjArrayKlass or TypeArrayKlass");
611 return NULL;
612 }
613
614 void Klass::check_array_allocation_length(int length, int max_length, TRAPS) {
615 if (length > max_length) {
616 if (!THREAD->in_retryable_allocation()) {
617 report_java_out_of_memory("Requested array size exceeds VM limit");
618 JvmtiExport::post_array_size_exhausted();
619 THROW_OOP(Universe::out_of_memory_error_array_size());
620 } else {
621 THROW_OOP(Universe::out_of_memory_error_retry());
622 }
623 } else if (length < 0) {
624 THROW_MSG(vmSymbols::java_lang_NegativeArraySizeException(), err_msg("%d", length));
625 }
626 }
627
628 oop Klass::class_loader() const { return class_loader_data()->class_loader(); }
629
630 // In product mode, this function doesn't have virtual function calls so
631 // there might be some performance advantage to handling InstanceKlass here.
632 const char* Klass::external_name() const {
633 if (is_instance_klass()) {
634 const InstanceKlass* ik = static_cast<const InstanceKlass*>(this);
635 if (ik->is_unsafe_anonymous()) {
636 char addr_buf[20];
637 jio_snprintf(addr_buf, 20, "/" INTPTR_FORMAT, p2i(ik));
638 size_t addr_len = strlen(addr_buf);
639 size_t name_len = name()->utf8_length();
640 char* result = NEW_RESOURCE_ARRAY(char, name_len + addr_len + 1);
641 name()->as_klass_external_name(result, (int) name_len + 1);
642 assert(strlen(result) == name_len, "");
643 strcpy(result + name_len, addr_buf);
644 assert(strlen(result) == name_len + addr_len, "");
645 return result;
646 }
647 }
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