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Date: Fri, 16 Aug 2019 11:52:00 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: Agner Fog <agner AT agner DOT org>
Cc: "cygwin AT cygwin DOT com" <cygwin AT cygwin DOT com>
Subject: Re: Clang is using the wrong memory model
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On Aug 16 11:27, Agner Fog wrote:
> Thanks for your replies.
>=20
> A Cygwin application with -mcmodel=3Dsmall appears to work fine.
>=20
> As I explained, -mcmodel=3Dsmall does something else when the target is
> Windows. It does not require addresses to be below 2GB, it only requires =
the
> distance between a code section and it's data section to be below 2GB.

And that's the point.  The distances are not guranteed to be within
2 GB.  Think errno accessed from another DLL.  Your application works
only by chance.


Corinna

--=20
Corinna Vinschen
Cygwin Maintainer

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