This is the mail archive of the
gdb@sources.redhat.com
mailing list for the GDB project.
Re: GDB on SGI Irix 6.5
- To: ezannoni at cygnus dot com
- Subject: Re: GDB on SGI Irix 6.5
- From: Eli Zaretskii <eliz at is dot elta dot co dot il>
- Date: Wed, 13 Jun 2001 11:57:09 +0300 (IDT)
- CC: davea at quasar dot engr dot sgi dot com, cagney at cygnus dot com, gdb at sources dot redhat dot com, jimb at cygnus dot com
- References: <Pine.SUN.3.91.1010612152328.3699B-100000@is><3B266F35.50007@cygnus.com> <15142.30117.72465.686304@kwikemart.cygnus.com>
- Reply-to: Eli Zaretskii <eliz at is dot elta dot co dot il>
> From: Elena Zannoni <ezannoni@cygnus.com>
> Date: Tue, 12 Jun 2001 16:03:49 -0400
>
> Andrew Cagney writes:
> > [I'll take the liberty of adding Elena and Jim. Might be useful to pose
> > any follow on questions on gdb@]
> >
> > > On Thu, 17 May 2001, David B Anderson wrote:
> > >
> > >
> > >> The 64bit dwarf2 that is read by read_initial_length is based on
> > >> dwarf 2.1, designed in 2000. SGI 64bit dwarf2 was designed in
> > >> the early 1990's. SGI made offsets etc 64bit in elf64
> > >> (and offsets etc 32bits in elf32).
> > >> (basically we could not bring ourselves to limit dwarf
> > >> offsets to 32 bits in an elf64 file...)
> > >>
> > >> Anyway, to be correct for IRIX6, read_initial_length
> > >> needs to know it is IRIX elf64 and then
> > >> /* UNTESTED, NOT ALL THAT NEEDS TO BE DONE probably */
> > >> cu_header->initial_length_size = 8;
> > >> cu_header->offset_size = 8;
> > >> at least gives the right sizes.
> > >
> > >
>
> Are these the only differences? Is anything SGI specific encoded in the
> 'version' field of cu_header? Maybe that can be used. Is there somewhere
> in the debug info a field that tells that this is SGI's version?
I don't see anything in the documents I got from Dave's site. Dave,
could you please answer these questions?
Thanks for the other advice, I will look that up.