Re: Where to set correct value for tdep->struct_return for Cygwin?

[Corinna Vinschen <gdb@sources.redhat.com>]

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@redhat.com