[PATCH 2/3] Move register_t to system-specific header
Corinna Vinschen
vinschen@redhat.com
Thu Feb 14 14:02:00 GMT 2019
On Feb 14 11:15, Sebastian Huber wrote:
>
>
> ----- Am 13. Feb 2019 um 21:28 schrieb Corinna Vinschen vinschen@redhat.com:
>
> > On Feb 13 20:01, Sebastian Huber wrote:
> >> ----- Am 13. Feb 2019 um 18:06 schrieb Corinna Vinschen vinschen@redhat.com:
> >>
> >> > On Feb 13 14:19, Sebastian Huber wrote:
> [...]
> >> If I change the type to __intptr_t wounldn't this break ABI
> >> compatibility on Cygwin?
> >
> > In how far? Cygwin's 64 bit ABI is LP64.
>
> The type for register_t changes from int to __intptr_to, so 32-bit to 64-bit on LP64.
register_t is not used in Cygwin itself. I don't know its purpose,
actually. If it has been defined as 32 bit type on 64 bit, wasn't that
a bug and thus unusable before?
Corinna
--
Corinna Vinschen
Cygwin Maintainer
Red Hat
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