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Re: Ada in gcc-3.4.3 on x86_64

From: Robert Dewar <dewar at adacore dot com>
To: Florian Weimer <fw at deneb dot enyo dot de>
Cc: Dean Kolosiek <kolosiekweb04 at qwest dot net>, gcc at gcc dot gnu dot org
Date: Mon, 03 Jan 2005 09:11:44 -0500
Subject: Re: Ada in gcc-3.4.3 on x86_64
References: <1104748204.12314.120.camel@plato> <874qhyy9pv.fsf@deneb.enyo.de>

Florian Weimer wrote:

It is not possible to interface to variadic C functions from standard
Ada if the calling convetion for variadic and non-variadic function
differs.

I don't think GNAT offers a non-standard extension which provides this
functionality.  Maybe it should.


That would certainly be a reasonable possible language extension. Presumably
the way to do this would be to introduce a convention called C_Varargs or
something like that. This is not a trivial addition :-)

References:
- Re: Ada in gcc-3.4.3 on x86_64
  - From: Dean Kolosiek
- Re: Ada in gcc-3.4.3 on x86_64
  - From: Florian Weimer

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