Looks like the roll bar mount holes for the old style roll bar that is in that Jeep. A 1984 roll bar (main Hoop) should be mounted to the floor. The older style mounted the main hoop and kicker bars to a L shaped bracket that mounted to the inner fender well and though the outer side panel.
99 TJ 4.0 5 Speed Sport, 2.5" Rough Country Lift, 1.25 Body Lift, 1" MML, SYE and CV shaft,JKS Quicker Disconnects, 33x10.50 BFG Mud Terrains,4.56 gears, Super35 w/ Ected Locker, Warn 8274 and some other stuff.
2014 Rubicon Stock