What is the part that an upper strut bolts too? those bolts shown in this pic above the strut assemble:

<--- right there..
there is 2 and the big middle one that is the strut... what are those bolts? the one on the drivers side closest to the driver is broken off on my car... i need to know what it is so i can see what to do to replace it.. so that i can add an upper strut bar