[uClibc] FINI processing moved to libc for x86

[Tobias Anderberg]

Joakim Tjernlund wrote:
> > 
> > I have just checked in a patch that move FINI handling from ldso to libc.
> > Since this breaks API you must #define _DL_DO_FINI_IN_LIBC globally
> > to actually enable this.
> > All apps must be relinked with the new crtX.o file to work properly. Failure
> > to do so will probably result in SEGV when the app exits.
> > 
> > I am holding off PPC support a little while pending a minor ABI investigation.
> 
> PPC has been checked in as well.
> 
> All apps built with a toolchain as of now for PPC and x86 will be able to handle the
> new FINI processing.
> 
> TODO:
>    Prepare the remaining arches. I can't do this myself so the arch maintainers
>    need to look at this.

I'll update the CRIS port. Probably early next week.

-tba