Re: problem with fetch_link_map_offsets

[Andrew Cagney <ac131313@redhat.com>]

> All of a sudden I'm getting a complaint about "No shared lib support for
> this OS/ABI" from the new svr4_have_link_map_offsets function.  When I
> initialize my backend tdep file, I set the fetch_link_map_offsets function.
> If I break on svr4_fetch_link_map_offsets, the first couple times I see that
> flmo is set to my function, then the third time it's been set back to
> legacy_fetch_link_map_offsets.  I set a break on
> set_solib_svr4_fetch_link_map_offsets and see it being called with my
> function but it never gets called again between when I set it and when it
> shows up as changed.
> 
> Can someone tell me where to set a watchpoint to catch the gdbarch data
> being set?  I'm still a little shakey on how that all works.

An aside, "set debug arch 1", and watch to see if any other 
architectures are being initialized or selected.

Andrew