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Re: [PATCH 2/3] Move register_t to system-specific header


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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