This works for v10 and is based on the captured queries from Sybase Central. It doesn't look for inherited rights or consider implicit ownership or DBA derived rights

    SELECT if T.table_type NOT IN ( 2, 21 ) then 'Table' else 'View' endif as "Object", e.User_Name as UserName, U.user_name as Owner, T.table_name as "Object Name", 
if MAX( IF P.selectauth = 'G' THEN 2 ELSE ( IF P.selectauth = 'Y' THEN 1 ELSE 0 ENDIF ) ENDIF )= 1 then 'YES' else 'NO' endif AS "SELECT",
if MAX( IF P.insertauth = 'G' THEN 2 ELSE ( IF P.insertauth = 'Y' THEN 1 ELSE 0 ENDIF ) ENDIF )= 1 then 'YES' else 'NO' endif  AS "INSERT", 
if MAX( IF P.deleteauth = 'G' THEN 2 ELSE ( IF P.deleteauth = 'Y' THEN 1 ELSE 0 ENDIF ) ENDIF )= 1 then 'YES' else 'NO' endif  AS "DELETE", 
if MAX( IF P.updateauth = 'G' THEN 2 ELSE ( IF P.updateauth = 'Y' THEN 1 ELSE 0 ENDIF ) ENDIF )= 1 then 'YES' else 'NO' endif  AS "UPDATE", 
if MAX( IF P.alterauth = 'G' THEN 2 ELSE ( IF P.alterauth = 'Y' THEN 1 ELSE 0 ENDIF ) ENDIF )= 1 then 'YES' else 'NO' endif  AS "ALTER", 
if MAX( IF P.referenceauth = 'G' THEN 2 ELSE ( IF P.referenceauth = 'Y' THEN 1 ELSE 0 ENDIF ) ENDIF )= 1 then 'YES' else 'NO' endif  AS "REFERENCE" ,
'N/A' as "EXECUTE"
FROM SYS.SYSTAB T JOIN SYS.SYSUSER U ON U.user_id = T.creator JOIN ( SYS.SYSUSER E JOIN SYS.SYSTABLEPERM P ON P.grantee = E.user_id ) ON P.stable_id = T.table_id 
GROUP BY Object, UserName, T.table_name, U.user_name

UNION ALL

SELECT if IFNULL( R.parm_id, 'N', 'Y' )='Y' then 'Function' else 'Procedure' endif as "Object",e.User_Name as UserName,  U.user_name as "Owner", F.proc_name as "Object Name",  
'N/A' AS "SELECT",
'N/A'  AS "INSERT", 
'N/A'  AS "DELETE", 
'N/A'  AS "UPDATE", 
'N/A'  AS "ALTER", 
'N/A' AS "REFERENCE",
if IFNULL( P.grantee, 'N', 'Y' ) = 'Y' then 'YES' else 'NO' endif AS "EXECUTE"
FROM SYS.SYSPROCEDURE F JOIN SYS.SYSUSER U ON U.user_id = F.creator LEFT OUTER JOIN SYS.SYSPROCPARM R ON R.proc_id = F.proc_id 
AND R.parm_type = 4 LEFT OUTER JOIN ( SYS.SYSUSER E JOIN SYS.SYSPROCPERM P ON P.grantee = E.user_id ) ON P.proc_id = F.proc_id 
where "Execute" = 'YES'
order by 1,2,4,3