[RFC][BZ #16046] dl_iterate_phdr should not expose internal stub.

[Maciej W. Rozycki]

On Fri, 25 Oct 2013, Roland McGrath wrote:

> macro should participate in the fix, since it was his change that
> introduced the regression.

 It's been on my radar, however I've been completely swamped with other 
stuff recently.

> I don't think that's the best way to implement it.  Look at the !SHARED
> version of dl_iterate_phdr.  It's doing a special case for the main program
> because it wasn't in the list.  After macro's change, it is in the list.
> So it seems cleanest to drop the !SHARED special-case code altogether and
> instead fill out _dl_main_map sufficiently so the general-case code dtrt
> for it too.

 I have identified what I believe is another place where such 
special-casing can be removed now that we have a proper link map in static 
executables.  I'll see if I can address both these issues shortly.

  Maciej