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Re: Where to set correct value for tdep->struct_return for Cygwin?
On Thu, Mar 20, 2003 at 10:27:55AM -0500, Andrew Cagney wrote:
> >Hi,
> >
> >I just found the following problem:
> >
> >In i386-tdep.c::i386_gdbarch_init(), tdep->struct_return is set to
> >pcc_struct_return by default. Several i386 targets set this value
> >in their appropriate _init function to reg_struct_return (e. g. the
> >bsd and interix targets).
> >
> >Cygwin is using reg_struct_return as well but unfortunately in contrast
> >to Interix it has no own tdep.c file and so there's no appropriate _init
> >function as e. g. i386_interix_init_abi() available to set that value.
> >This results in having tdep->struct_return still set to pcc_struct_return
> >and about 25 fails in the testsuite.
> >
> >So the question is, where to set that value? Shall we add a new
> >cygwin-tdep.c
> >file, just to set this one value? Or is there some already existing
> >obvious
> >place to do this? win32-nat.c seems to be not a good chice, btw.
>
> If both interix and cygwin are sharing a common ABI, then shouldn't that
> common ABI code live in i386-win32-tdep.c?
I didn't say Interix and Cygwin share a common ABI. It's just this
one the same. Interix adds some additional stuff which isn't the
same for Cygwin.
Corinna
--
Corinna Vinschen
Cygwin Developer
Red Hat, Inc.
mailto:vinschen at redhat dot com