RFA: Multilib support in gdb.asm tests

[Michael Snyder]

Mark Kettenis wrote:
> 
> Nick Clifton <nickc@cambridge.redhat.com> writes:
> 
> > How about this alternative wording of the comment:
> >
> >   # WARNING: Invoking the assembler directly is problematic.
> >   # For targets which support multilibs a compile time switch is used
> >   # to select the appropriate multilibs.  This switch may not be same
> >   # as the switch that the compiler will pass on to the assembler.  For
> >   # example if big-endian and little-endian multilibs are supported
> >   # the compiler options will probably be -mbig-endian and -mlittle-endian
> >   # but, for historical reasons, the assembler options are probably -EB
> >   # and -EL.
> >   #
> >   # Since these tests are supposed to be able to be run for targets for
> >   # which there is no compiler we cannot just invoke a compiler driver
> >   # program (eg 'gcc') to handle this translation for us.  For now we
> >   # just hard code the endian translation and hope that there are no
> >   # others that are needed.
> 
> I'm a bit puzzled by this comment.  These tests already invoke `gcc'
> for doing the final link.  Isn't that a problem too?
> 
> As an aside, using gcc for the final link is causing problems on
> FreeBSD too.
> 

It's causing problems on Linux too.  I suspect this approach
needs to be reconsidered.