Re: Dose GDB support Fortran Cods?

[Wu Zhou <woodzltc at cn dot ibm dot com>]

On Sun, 7 Aug 2005, Andrew Pinski wrote:

> 
> On Aug 7, 2005, at 10:06 PM, Wu Zhou wrote:
> 
> > 
> > > command line,I use "gdb test",then I enter "list",but screen displays:
> > > 
> > >     1       ../sysdeps/i386/elf/start.S: No such file or directory.
> > >         in ../sysdeps/i386/elf/start.S
> > 
> > This is a bug in GDB, we ever discussed a similar problem in:
> > http://sources.redhat.com/ml/gdb/2005-07/msg00228.html.
> > 
> > BTW: there will be more chance you gdb/fortran problems get answered if
> > you ask in gdb@sources.redhat.com or fortran@gcc.gnu.org. It seems that
> > few people read bug-gdb@. :-)
> 
> Actually it is really a bug in GCC for not emitting DW_AT_entry_point
> (dwarf-2) or N_MAIN (stabs), see PR 23280 which I just filed.  (I thought
> there was already a bug filed but I could only find one for GCJ/java).

OK.  I am not that sure about how gdb handle that.  Daniel ever told me 
that we can fix this in gdb's side by setting the main function to 
"MAIN__" for Fortran programs.

It seems to me that emitting DW_AT_entry_point in gcc's side is a better 
idea.  But I am not sure whether gdb could handle it.  When gcc do emit 
DW_AT_entry_point, I will verify that.  I had added myself into the 
cc-list.

Regards
- Wu Zhou