[patch/rfc;rfa:symtab] Deprecate inside_entry_file

[Andrew Cagney]

> In particular note that the function:
> symfile.c:init_entry_point_info() which sets up all the
> objfile->ei.deprecated_entry_file* is seriously screwed up for PIE
> files anyway.
> 
> In such a case we need to figure out where the program got loaded,
> just like a shlib, the main executable is not marked as EXEC in the
> elf header anymore, and lots of other fun stuff. Anyway, the way the
> entry file/entry point stuff is handled now won't work for PIE.

Hmm, yes.  Since this one is deprecated, you can at least cross it off 
your list of PIE problems :-)

> I am currently working on PIE support, BTW. I'll post something as
> soon as I have some coherent story.

ok, committed, thanks,
Andrew