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Re: [RFA] Add support for 64-bit MIPS GNU/Linux targets
On Tue, Dec 24, 2002 at 12:29:35PM -0700, Kevin Buettner wrote:
> On Dec 24, 9:53am, Daniel Jacobowitz wrote:
>
> > > I'll fix the GDBSERVER_DEPFILES and tm-linux64 nits, but the
> > > supply_gregset issue will require further discussion. In the interim,
> > > how would you like to proceed?
> >
> > Since it won't affect thread support for 32-bit MIPS, I've no objection
> > to committing it now.
>
> Okay, it's in. In addition to fixing the problems previously discussed,
> I found it necessary to change the osabi registration (in mips-linux-tdep.c)
> from:
>
> gdbarch_register_osabi (bfd_arch_mips, 0, GDB_OSABI_LINUX,
> mips_linux_init_abi);
>
> to:
>
> for (arch_info = bfd_lookup_arch (bfd_arch_mips, 0);
> arch_info != NULL;
> arch_info = arch_info->next)
> {
> gdbarch_register_osabi (bfd_arch_mips, arch_info->mach, GDB_OSABI_LINUX,
> mips_linux_init_abi);
> }
>
> I'm not entirely happy with this change, but I see no way around it
> due to the recent changes to osabi.c. (I'm open to suggestions for
> better ways to do it...)
OK, that's a problem. In fact it's disgusting... A mach value of 0 is
always supposed to mean "default", if I remember my BFD correctly. Has
the change to pass a machine of 0 broken osabi support for anything
that sets a machine? It looks that way.
--
Daniel Jacobowitz
MontaVista Software Debian GNU/Linux Developer