From: "Luke A. Guest" <laguest@n_o_p_o_r_k_a_n_d_h_a_m.abyss2.demon.co.uk>
Subject: Re: GNAT parameter passing, C-style?
Date: Thu, 01 Jan 2004 05:20:08 +0000
Date: 2004-01-01T05:20:08+00:00 [thread overview]
Message-ID: <pan.2004.01.01.05.20.08.516433@n_o_p_o_r_k_a_n_d_h_a_m.abyss2.demon.co.uk> (raw)
In-Reply-To: 3ff38b16$0$4759$61fed72c@news.rcn.com
On Wed, 31 Dec 2003 21:50:59 -0500, Frank J. Lhota wrote:
> To be more precise, for functions with only a few arguments, these issues do
> not arise. I am curious, however, as to how the Sun compiler handles
> parameter lists long enough to exhaust available registers. My guess is that
> those parameters not passed via registers are pushed on the stack in reverse
> order, and are popped off by the calling function.
>
> I'm also curious as to how the Sun version of <stdarg.h> handles a
> combination of register and stack parameters. I imagine that they must use
> some implementation-specific extension to implement <stdarg.h>.
This is interesting considering the SPARC's register windows (at any one
point there is 32 register available to a function, FPU registers are not
even considered). But as I remember, it's ther same again, if the
registers run out the stack is used in reverse as usual.
Luke.
next prev parent reply other threads:[~2004-01-01 5:20 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-12-26 10:37 GNAT parameter passing, C-style? Luke A. Guest
2003-12-26 14:20 ` Marin David Condic
2003-12-26 14:51 ` Hyman Rosen
2003-12-26 15:07 ` Marin David Condic
2003-12-26 15:39 ` Luke A. Guest
2003-12-26 17:03 ` Hyman Rosen
2003-12-26 17:08 ` Luke A. Guest
2003-12-26 17:27 ` Luke A. Guest
2003-12-26 18:21 ` Frank J. Lhota
2003-12-26 19:06 ` Frank J. Lhota
2003-12-31 10:23 ` Keith Thompson
2003-12-31 14:45 ` Frank J. Lhota
2003-12-31 15:05 ` Hyman Rosen
2003-12-31 16:30 ` Frank J. Lhota
2003-12-31 17:24 ` Hyman Rosen
2003-12-31 19:05 ` Frank J. Lhota
2003-12-31 19:38 ` Hyman Rosen
2003-12-31 20:47 ` Frank J. Lhota
2003-12-31 21:35 ` Hyman Rosen
2004-01-01 2:50 ` Frank J. Lhota
2004-01-01 5:20 ` Luke A. Guest [this message]
2004-01-01 16:06 ` Hyman Rosen
2004-01-01 16:32 ` Frank J. Lhota
2004-01-01 16:43 ` Hyman Rosen
2004-01-02 0:24 ` Frank J. Lhota
2004-01-02 4:09 ` Hyman Rosen
2004-01-02 13:29 ` Frank J. Lhota
2004-01-01 5:17 ` Luke A. Guest
2004-01-01 5:09 ` Luke A. Guest
2004-01-02 1:17 ` tmoran
2004-01-01 17:18 ` Jano
2004-01-02 0:25 ` Frank J. Lhota
2004-01-07 6:37 ` Dave Thompson
2004-01-01 3:38 ` Marin David Condic
2004-01-01 5:28 ` Luke A. Guest
2004-01-01 14:17 ` Marin David Condic
2004-01-01 16:20 ` Jeff C,
2004-01-02 13:47 ` Marin David Condic
2004-01-05 21:06 ` Keith Thompson
2004-01-06 3:42 ` Robert I. Eachus
2004-01-06 20:54 ` Keith Thompson
2004-01-06 23:45 ` Robert I. Eachus
2004-01-06 13:46 ` Frank J. Lhota
2003-12-27 14:22 ` Marin David Condic
2003-12-26 17:10 ` Martin Krischik
2003-12-26 19:04 ` Frank J. Lhota
2003-12-26 18:01 ` Georg Bauhaus
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