656 signature_idx = (int) table[i].descriptor_cp_index;
657 break;
658 }
659 }
660 if (signature_idx == -1) {
661 _result = JVMTI_ERROR_INVALID_SLOT;
662 return false; // Incorrect slot index
663 }
664 Symbol* sign_sym = method_oop->constants()->symbol_at(signature_idx);
665 const char* signature = (const char *) sign_sym->as_utf8();
666 BasicType slot_type = char2type(signature[0]);
667
668 switch (slot_type) {
669 case T_BYTE:
670 case T_SHORT:
671 case T_CHAR:
672 case T_BOOLEAN:
673 slot_type = T_INT;
674 break;
675 case T_ARRAY:
676 slot_type = T_OBJECT;
677 break;
678 default:
679 break;
680 };
681 if (_type != slot_type) {
682 _result = JVMTI_ERROR_TYPE_MISMATCH;
683 return false;
684 }
685
686 jobject jobj = _value.l;
687 if (_set && slot_type == T_OBJECT && jobj != NULL) { // NULL reference is allowed
688 // Check that the jobject class matches the return type signature.
689 JavaThread* cur_thread = JavaThread::current();
690 HandleMark hm(cur_thread);
691
692 Handle obj(cur_thread, JNIHandles::resolve_external_guard(jobj));
693 NULL_CHECK(obj, (_result = JVMTI_ERROR_INVALID_OBJECT, false));
694 Klass* ob_k = obj->klass();
695 NULL_CHECK(ob_k, (_result = JVMTI_ERROR_INVALID_OBJECT, false));
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656 signature_idx = (int) table[i].descriptor_cp_index;
657 break;
658 }
659 }
660 if (signature_idx == -1) {
661 _result = JVMTI_ERROR_INVALID_SLOT;
662 return false; // Incorrect slot index
663 }
664 Symbol* sign_sym = method_oop->constants()->symbol_at(signature_idx);
665 const char* signature = (const char *) sign_sym->as_utf8();
666 BasicType slot_type = char2type(signature[0]);
667
668 switch (slot_type) {
669 case T_BYTE:
670 case T_SHORT:
671 case T_CHAR:
672 case T_BOOLEAN:
673 slot_type = T_INT;
674 break;
675 case T_ARRAY:
676 case T_VALUETYPE:
677 slot_type = T_OBJECT;
678 break;
679 default:
680 break;
681 };
682 if (_type != slot_type) {
683 _result = JVMTI_ERROR_TYPE_MISMATCH;
684 return false;
685 }
686
687 jobject jobj = _value.l;
688 if (_set && slot_type == T_OBJECT && jobj != NULL) { // NULL reference is allowed
689 // Check that the jobject class matches the return type signature.
690 JavaThread* cur_thread = JavaThread::current();
691 HandleMark hm(cur_thread);
692
693 Handle obj(cur_thread, JNIHandles::resolve_external_guard(jobj));
694 NULL_CHECK(obj, (_result = JVMTI_ERROR_INVALID_OBJECT, false));
695 Klass* ob_k = obj->klass();
696 NULL_CHECK(ob_k, (_result = JVMTI_ERROR_INVALID_OBJECT, false));
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