701 // static invocation mode is required for _linkToVirtual, etc.:
702 ref_kind == JVM_REF_invokeStatic)) {
703 vmIntrinsics::ID iid = signature_polymorphic_name_id(name);
704 if (iid != vmIntrinsics::_none &&
705 ((ref_kind == JVM_REF_invokeStatic) == is_signature_polymorphic_static(iid))) {
706 // Virtual methods invoke and invokeExact, plus internal invokers like _invokeBasic.
707 // For a static reference it could an internal linkage routine like _linkToVirtual, etc.
708 mh_invoke_id = iid;
709 }
710 }
711
712 // convert the external string or reflective type to an internal signature
713 TempNewSymbol type = lookup_signature(type_str(), (mh_invoke_id != vmIntrinsics::_none), CHECK_(empty));
714 if (type == NULL) return empty; // no such signature exists in the VM
715
716 // Time to do the lookup.
717 switch (flags & ALL_KINDS) {
718 case IS_METHOD:
719 {
720 CallInfo result;
721 LinkInfo link_info(defc, name, type, caller, caller.not_null());
722 {
723 assert(!HAS_PENDING_EXCEPTION, "");
724 if (ref_kind == JVM_REF_invokeStatic) {
725 LinkResolver::resolve_static_call(result,
726 link_info, false, THREAD);
727 } else if (ref_kind == JVM_REF_invokeInterface) {
728 LinkResolver::resolve_interface_call(result, Handle(), defc,
729 link_info, false, THREAD);
730 } else if (mh_invoke_id != vmIntrinsics::_none) {
731 assert(!is_signature_polymorphic_static(mh_invoke_id), "");
732 LinkResolver::resolve_handle_call(result, link_info, THREAD);
733 } else if (ref_kind == JVM_REF_invokeSpecial) {
734 LinkResolver::resolve_special_call(result,
735 link_info, THREAD);
736 } else if (ref_kind == JVM_REF_invokeVirtual) {
737 LinkResolver::resolve_virtual_call(result, Handle(), defc,
738 link_info, false, THREAD);
739 } else {
740 assert(false, "ref_kind=%d", ref_kind);
741 }
742 if (HAS_PENDING_EXCEPTION) {
743 return empty;
744 }
745 }
746 if (result.resolved_appendix().not_null()) {
747 // The resolved MemberName must not be accompanied by an appendix argument,
748 // since there is no way to bind this value into the MemberName.
749 // Caller is responsible to prevent this from happening.
750 THROW_MSG_(vmSymbols::java_lang_InternalError(), "appendix", empty);
751 }
752 oop mname2 = init_method_MemberName(mname, result);
753 return Handle(THREAD, mname2);
754 }
755 case IS_CONSTRUCTOR:
756 {
757 CallInfo result;
758 LinkInfo link_info(defc, name, type, caller, caller.not_null());
759 {
760 assert(!HAS_PENDING_EXCEPTION, "");
761 if (name == vmSymbols::object_initializer_name()) {
762 LinkResolver::resolve_special_call(result, link_info, THREAD);
763 } else {
764 break; // will throw after end of switch
765 }
766 if (HAS_PENDING_EXCEPTION) {
767 return empty;
768 }
769 }
770 assert(result.is_statically_bound(), "");
771 oop mname2 = init_method_MemberName(mname, result);
772 return Handle(THREAD, mname2);
773 }
774 case IS_FIELD:
775 {
776 fieldDescriptor result; // find_field initializes fd if found
777 {
778 assert(!HAS_PENDING_EXCEPTION, "");
779 LinkInfo link_info(defc, name, type, caller, /*check_access*/false);
780 LinkResolver::resolve_field(result, link_info, Bytecodes::_nop, false, THREAD);
781 if (HAS_PENDING_EXCEPTION) {
782 return empty;
783 }
784 }
785 oop mname2 = init_field_MemberName(mname, result, ref_kind_is_setter(ref_kind));
786 return Handle(THREAD, mname2);
787 }
788 default:
789 THROW_MSG_(vmSymbols::java_lang_InternalError(), "unrecognized MemberName format", empty);
790 }
791
792 return empty;
793 }
794
795 // Conversely, a member name which is only initialized from JVM internals
796 // may have null defc, name, and type fields.
797 // Resolving it plants a vmtarget/vmindex in it,
798 // which refers directly to JVM internals.
799 void MethodHandles::expand_MemberName(Handle mname, int suppress, TRAPS) {
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701 // static invocation mode is required for _linkToVirtual, etc.:
702 ref_kind == JVM_REF_invokeStatic)) {
703 vmIntrinsics::ID iid = signature_polymorphic_name_id(name);
704 if (iid != vmIntrinsics::_none &&
705 ((ref_kind == JVM_REF_invokeStatic) == is_signature_polymorphic_static(iid))) {
706 // Virtual methods invoke and invokeExact, plus internal invokers like _invokeBasic.
707 // For a static reference it could an internal linkage routine like _linkToVirtual, etc.
708 mh_invoke_id = iid;
709 }
710 }
711
712 // convert the external string or reflective type to an internal signature
713 TempNewSymbol type = lookup_signature(type_str(), (mh_invoke_id != vmIntrinsics::_none), CHECK_(empty));
714 if (type == NULL) return empty; // no such signature exists in the VM
715
716 // Time to do the lookup.
717 switch (flags & ALL_KINDS) {
718 case IS_METHOD:
719 {
720 CallInfo result;
721 LinkInfo link_info(defc, name, type, caller, NULL, caller.not_null());
722 {
723 assert(!HAS_PENDING_EXCEPTION, "");
724 if (ref_kind == JVM_REF_invokeStatic) {
725 LinkResolver::resolve_static_call(result,
726 link_info, false, THREAD);
727 } else if (ref_kind == JVM_REF_invokeInterface) {
728 LinkResolver::resolve_interface_call(result, Handle(), defc,
729 link_info, false, THREAD);
730 } else if (mh_invoke_id != vmIntrinsics::_none) {
731 assert(!is_signature_polymorphic_static(mh_invoke_id), "");
732 LinkResolver::resolve_handle_call(result, link_info, THREAD);
733 } else if (ref_kind == JVM_REF_invokeSpecial) {
734 LinkResolver::resolve_special_call(result,
735 link_info, THREAD);
736 } else if (ref_kind == JVM_REF_invokeVirtual) {
737 LinkResolver::resolve_virtual_call(result, Handle(), defc,
738 link_info, false, THREAD);
739 } else {
740 assert(false, "ref_kind=%d", ref_kind);
741 }
742 if (HAS_PENDING_EXCEPTION) {
743 return empty;
744 }
745 }
746 if (result.resolved_appendix().not_null()) {
747 // The resolved MemberName must not be accompanied by an appendix argument,
748 // since there is no way to bind this value into the MemberName.
749 // Caller is responsible to prevent this from happening.
750 THROW_MSG_(vmSymbols::java_lang_InternalError(), "appendix", empty);
751 }
752 oop mname2 = init_method_MemberName(mname, result);
753 return Handle(THREAD, mname2);
754 }
755 case IS_CONSTRUCTOR:
756 {
757 CallInfo result;
758 LinkInfo link_info(defc, name, type, caller, NULL, caller.not_null());
759 {
760 assert(!HAS_PENDING_EXCEPTION, "");
761 if (name == vmSymbols::object_initializer_name()) {
762 LinkResolver::resolve_special_call(result, link_info, THREAD);
763 } else {
764 break; // will throw after end of switch
765 }
766 if (HAS_PENDING_EXCEPTION) {
767 return empty;
768 }
769 }
770 assert(result.is_statically_bound(), "");
771 oop mname2 = init_method_MemberName(mname, result);
772 return Handle(THREAD, mname2);
773 }
774 case IS_FIELD:
775 {
776 fieldDescriptor result; // find_field initializes fd if found
777 {
778 assert(!HAS_PENDING_EXCEPTION, "");
779 LinkInfo link_info(defc, name, type, caller, NULL, /*check_access*/false);
780 LinkResolver::resolve_field(result, link_info, Bytecodes::_nop, false, THREAD);
781 if (HAS_PENDING_EXCEPTION) {
782 return empty;
783 }
784 }
785 oop mname2 = init_field_MemberName(mname, result, ref_kind_is_setter(ref_kind));
786 return Handle(THREAD, mname2);
787 }
788 default:
789 THROW_MSG_(vmSymbols::java_lang_InternalError(), "unrecognized MemberName format", empty);
790 }
791
792 return empty;
793 }
794
795 // Conversely, a member name which is only initialized from JVM internals
796 // may have null defc, name, and type fields.
797 // Resolving it plants a vmtarget/vmindex in it,
798 // which refers directly to JVM internals.
799 void MethodHandles::expand_MemberName(Handle mname, int suppress, TRAPS) {
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