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From: Achim Gratz <Stromeko@nexgo.de>
To: cygwin@cygwin.com
Subject: Re: Possibly wrong address passed to callq asm instruction within MPIR test binaries
References: <CAHhGz8_eESbCpCWivD_G9ciFbE4VsZntZyRdOOOtd2PXUSsmgg@mail.gmail.com>	<20140402090750.GP2508@calimero.vinschen.de>	<lhsctu$56e$1@ger.gmane.org>
Date: Mon, 07 Apr 2014 09:52:11 +0200
In-Reply-To: <lhsctu$56e$1@ger.gmane.org> (Jean-Pierre Flori's message of	"Sun, 6 Apr 2014 20:20:14 +0000 (UTC)")
Message-ID: <87zjjxy3tg.fsf@Rainer.invalid>
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Jean-Pierre Flori writes:
> The problem we recently encountered was the following:
> in gmp-impl.h, mpn_store (which can be either a macro or a function if 
> efficient assembly is available, and so is always a function on x86_64) 
> was not marked __declspec(dllexport/dllimport).

I can confirm that GMP has the same problem when I patch out these
attributes (which I wanted to do because these cause lots of spurious
warnings during compilation).  This works fine on 32bit, but produces
segmentation faults in some (not all) 64bit test binaries.


Regards,
Achim.
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