[PATCH/RFA] PR gdb/648

David Lecomber david@streamline-computing.com
Mon Aug 16 12:33:00 GMT 2004


On Fri, 2004-08-13 at 23:10, Jim Blandy wrote:
> David Lecomber <david@streamline-computing.com> writes:
> > 2004-08-06  David Lecomber  <dsl@sources.redhat.com>
> >  
> >         Fix PR gdb/648
> >         * dwarf2read.c (read_array_type): Handle column major arrays
> >         correctly.  Assume column major for Fortran except with G77
> >         compiler.
> >         * eval.c (evaluate_subexp_standard): Assume Fortran arrays are
> >         oriented large to small in type structure.
> 
> Thanks very much for the patch and test program.  It was helpful to be
> able to actually look at what GNU F77 was producing for a real Fortran
> program.
> 
> For the dwarf2read.c part, I think the essential approach is fine.
> However:
> 
> - Rather than recognizing Fortran specially in read_array_type, I'd
>   rather have a new member of 'struct language_defn' giving the array
>   ordering for that language.
> 
> - I'd like to have the logic that chooses a byte order pulled out of
>   read_array_type into its own function that takes a die, a cu, and
>   returns a DW_ORD_ value.  That function would take care of looking
>   for a DW_AT_ordering attribute, recognizing the appropriate versions
>   of GNU F77, and so on.  read_array_type should call that function
>   and build the type appropriately.



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