What to do with info addr and location expressions

[Andrew Cagney]

[added binutils: gdb needs a way of printing out dwarf2 location 
expressions]

> There are plenty of ways to fix it.  In general, we need a location
> expression pretty-printer - this is quite complicated, so no one's done
> it yet.  However, in specific, take a look at
> locexpr_describe_location.  You could just add another case which
> recognizes the form GCC emits for thread-local variables to fix the
> regression.
> 
> Is that good enough?

Why not share the readelf code?  Print both the actual expression and 
(for simple cases) an english translation.

Andrew