1546 /*ARGSUSED*/
1547 static int
1548 showrev_addversion(void *vers_nv, const mdb_map_t *ignored, const char *object)
1549 {
1550         ctf_file_t *ctfp;
1551         const char *version = NULL;
1552         char *objname;
1553 
1554         objname = mdb_alloc(strlen(object) + 1, UM_SLEEP | UM_GC);
1555         (void) strcpy(objname, object);
1556 
1557         if ((ctfp = mdb_tgt_name_to_ctf(mdb.m_target, objname)) != NULL)
1558                 version = ctf_label_topmost(ctfp);
1559 
1560         /*
1561          * Not all objects have CTF and label data, so set version to "Unknown".
1562          */
1563         if (version == NULL)
1564                 version = "Unknown";
1565 
1566         /*
1567          * The hash table implementation in OVERLOAD mode limits the version
1568          * name to 31 characters because we cannot specify an external name.
1569          * The full version name is available via the ::objects dcmd if needed.
1570          */
1571         (void) mdb_nv_insert(vers_nv, version, NULL, (uintptr_t)objname,
1572             MDB_NV_OVERLOAD);
1573 
1574         return (0);
1575 }
1576 
1577 static int
1578 showrev_ispatch(const char *s)
1579 {
1580         if (s == NULL)
1581                 return (0);
1582 
1583         if (*s == 'T')
1584                 s++; /* skip T for T-patch */
1585 
1586         for (; *s != '\0'; s++) {
1587                 if ((*s < '0' || *s > '9') && *s != '-')
1588                         return (0);
1589         }
1590 

1546 /*ARGSUSED*/
1547 static int
1548 showrev_addversion(void *vers_nv, const mdb_map_t *ignored, const char *object)
1549 {
1550         ctf_file_t *ctfp;
1551         const char *version = NULL;
1552         char *objname;
1553 
1554         objname = mdb_alloc(strlen(object) + 1, UM_SLEEP | UM_GC);
1555         (void) strcpy(objname, object);
1556 
1557         if ((ctfp = mdb_tgt_name_to_ctf(mdb.m_target, objname)) != NULL)
1558                 version = ctf_label_topmost(ctfp);
1559 
1560         /*
1561          * Not all objects have CTF and label data, so set version to "Unknown".
1562          */
1563         if (version == NULL)
1564                 version = "Unknown";
1565 





1566         (void) mdb_nv_insert(vers_nv, version, NULL, (uintptr_t)objname,
1567             MDB_NV_OVERLOAD);
1568 
1569         return (0);
1570 }
1571 
1572 static int
1573 showrev_ispatch(const char *s)
1574 {
1575         if (s == NULL)
1576                 return (0);
1577 
1578         if (*s == 'T')
1579                 s++; /* skip T for T-patch */
1580 
1581         for (; *s != '\0'; s++) {
1582                 if ((*s < '0' || *s > '9') && *s != '-')
1583                         return (0);
1584         }
1585