663 // static invocation mode is required for _linkToVirtual, etc.:
664 ref_kind == JVM_REF_invokeStatic)) {
665 vmIntrinsics::ID iid = signature_polymorphic_name_id(name);
666 if (iid != vmIntrinsics::_none &&
667 ((ref_kind == JVM_REF_invokeStatic) == is_signature_polymorphic_static(iid))) {
668 // Virtual methods invoke and invokeExact, plus internal invokers like _invokeBasic.
669 // For a static reference it could an internal linkage routine like _linkToVirtual, etc.
670 mh_invoke_id = iid;
671 }
672 }
673
674 // convert the external string or reflective type to an internal signature
675 TempNewSymbol type = lookup_signature(type_str(), (mh_invoke_id != vmIntrinsics::_none), CHECK_(empty));
676 if (type == NULL) return empty; // no such signature exists in the VM
677
678 // Time to do the lookup.
679 switch (flags & ALL_KINDS) {
680 case IS_METHOD:
681 {
682 CallInfo result;
683 LinkInfo link_info(defc, name, type, caller, caller.not_null());
684 {
685 assert(!HAS_PENDING_EXCEPTION, "");
686 if (ref_kind == JVM_REF_invokeStatic) {
687 LinkResolver::resolve_static_call(result,
688 link_info, false, THREAD);
689 } else if (ref_kind == JVM_REF_invokeInterface) {
690 LinkResolver::resolve_interface_call(result, Handle(), defc,
691 link_info, false, THREAD);
692 } else if (mh_invoke_id != vmIntrinsics::_none) {
693 assert(!is_signature_polymorphic_static(mh_invoke_id), "");
694 LinkResolver::resolve_handle_call(result, link_info, THREAD);
695 } else if (ref_kind == JVM_REF_invokeSpecial) {
696 LinkResolver::resolve_special_call(result,
697 link_info, THREAD);
698 } else if (ref_kind == JVM_REF_invokeVirtual) {
699 LinkResolver::resolve_virtual_call(result, Handle(), defc,
700 link_info, false, THREAD);
701 } else {
702 assert(false, "ref_kind=%d", ref_kind);
703 }
704 if (HAS_PENDING_EXCEPTION) {
705 return empty;
706 }
707 }
708 if (result.resolved_appendix().not_null()) {
709 // The resolved MemberName must not be accompanied by an appendix argument,
710 // since there is no way to bind this value into the MemberName.
711 // Caller is responsible to prevent this from happening.
712 THROW_MSG_(vmSymbols::java_lang_InternalError(), "appendix", empty);
713 }
714 oop mname2 = init_method_MemberName(mname, result);
715 return Handle(THREAD, mname2);
716 }
717 case IS_CONSTRUCTOR:
718 {
719 CallInfo result;
720 LinkInfo link_info(defc, name, type, caller, caller.not_null());
721 {
722 assert(!HAS_PENDING_EXCEPTION, "");
723 if (name == vmSymbols::object_initializer_name()) {
724 LinkResolver::resolve_special_call(result, link_info, THREAD);
725 } else {
726 break; // will throw after end of switch
727 }
728 if (HAS_PENDING_EXCEPTION) {
729 return empty;
730 }
731 }
732 assert(result.is_statically_bound(), "");
733 oop mname2 = init_method_MemberName(mname, result);
734 return Handle(THREAD, mname2);
735 }
736 case IS_FIELD:
737 {
738 fieldDescriptor result; // find_field initializes fd if found
739 {
740 assert(!HAS_PENDING_EXCEPTION, "");
741 LinkInfo link_info(defc, name, type, caller, /*check_access*/false);
742 LinkResolver::resolve_field(result, link_info, Bytecodes::_nop, false, THREAD);
743 if (HAS_PENDING_EXCEPTION) {
744 return empty;
745 }
746 }
747 oop mname2 = init_field_MemberName(mname, result, ref_kind_is_setter(ref_kind));
748 return Handle(THREAD, mname2);
749 }
750 default:
751 THROW_MSG_(vmSymbols::java_lang_InternalError(), "unrecognized MemberName format", empty);
752 }
753
754 return empty;
755 }
756
757 // Conversely, a member name which is only initialized from JVM internals
758 // may have null defc, name, and type fields.
759 // Resolving it plants a vmtarget/vmindex in it,
760 // which refers directly to JVM internals.
761 void MethodHandles::expand_MemberName(Handle mname, int suppress, TRAPS) {
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663 // static invocation mode is required for _linkToVirtual, etc.:
664 ref_kind == JVM_REF_invokeStatic)) {
665 vmIntrinsics::ID iid = signature_polymorphic_name_id(name);
666 if (iid != vmIntrinsics::_none &&
667 ((ref_kind == JVM_REF_invokeStatic) == is_signature_polymorphic_static(iid))) {
668 // Virtual methods invoke and invokeExact, plus internal invokers like _invokeBasic.
669 // For a static reference it could an internal linkage routine like _linkToVirtual, etc.
670 mh_invoke_id = iid;
671 }
672 }
673
674 // convert the external string or reflective type to an internal signature
675 TempNewSymbol type = lookup_signature(type_str(), (mh_invoke_id != vmIntrinsics::_none), CHECK_(empty));
676 if (type == NULL) return empty; // no such signature exists in the VM
677
678 // Time to do the lookup.
679 switch (flags & ALL_KINDS) {
680 case IS_METHOD:
681 {
682 CallInfo result;
683 LinkInfo link_info(defc, name, type, caller);
684 {
685 assert(!HAS_PENDING_EXCEPTION, "");
686 if (ref_kind == JVM_REF_invokeStatic) {
687 LinkResolver::resolve_static_call(result,
688 link_info, false, THREAD);
689 } else if (ref_kind == JVM_REF_invokeInterface) {
690 LinkResolver::resolve_interface_call(result, Handle(), defc,
691 link_info, false, THREAD);
692 } else if (mh_invoke_id != vmIntrinsics::_none) {
693 assert(!is_signature_polymorphic_static(mh_invoke_id), "");
694 LinkResolver::resolve_handle_call(result, link_info, THREAD);
695 } else if (ref_kind == JVM_REF_invokeSpecial) {
696 LinkResolver::resolve_special_call(result,
697 link_info, THREAD);
698 } else if (ref_kind == JVM_REF_invokeVirtual) {
699 LinkResolver::resolve_virtual_call(result, Handle(), defc,
700 link_info, false, THREAD);
701 } else {
702 assert(false, "ref_kind=%d", ref_kind);
703 }
704 if (HAS_PENDING_EXCEPTION) {
705 return empty;
706 }
707 }
708 if (result.resolved_appendix().not_null()) {
709 // The resolved MemberName must not be accompanied by an appendix argument,
710 // since there is no way to bind this value into the MemberName.
711 // Caller is responsible to prevent this from happening.
712 THROW_MSG_(vmSymbols::java_lang_InternalError(), "appendix", empty);
713 }
714 oop mname2 = init_method_MemberName(mname, result);
715 return Handle(THREAD, mname2);
716 }
717 case IS_CONSTRUCTOR:
718 {
719 CallInfo result;
720 LinkInfo link_info(defc, name, type, caller);
721 {
722 assert(!HAS_PENDING_EXCEPTION, "");
723 if (name == vmSymbols::object_initializer_name()) {
724 LinkResolver::resolve_special_call(result, link_info, THREAD);
725 } else {
726 break; // will throw after end of switch
727 }
728 if (HAS_PENDING_EXCEPTION) {
729 return empty;
730 }
731 }
732 assert(result.is_statically_bound(), "");
733 oop mname2 = init_method_MemberName(mname, result);
734 return Handle(THREAD, mname2);
735 }
736 case IS_FIELD:
737 {
738 fieldDescriptor result; // find_field initializes fd if found
739 {
740 assert(!HAS_PENDING_EXCEPTION, "");
741 LinkInfo link_info(defc, name, type, caller, LinkInfo::skip_access_check);
742 LinkResolver::resolve_field(result, link_info, Bytecodes::_nop, false, THREAD);
743 if (HAS_PENDING_EXCEPTION) {
744 return empty;
745 }
746 }
747 oop mname2 = init_field_MemberName(mname, result, ref_kind_is_setter(ref_kind));
748 return Handle(THREAD, mname2);
749 }
750 default:
751 THROW_MSG_(vmSymbols::java_lang_InternalError(), "unrecognized MemberName format", empty);
752 }
753
754 return empty;
755 }
756
757 // Conversely, a member name which is only initialized from JVM internals
758 // may have null defc, name, and type fields.
759 // Resolving it plants a vmtarget/vmindex in it,
760 // which refers directly to JVM internals.
761 void MethodHandles::expand_MemberName(Handle mname, int suppress, TRAPS) {
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