DragonFly users List (threaded) for 2007-11
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Re: gcc update (was: Re: va_copy() problem)

From:	Joerg Sonnenberger <joerg@xxxxxxxxxxxxxxxxx>
Date:	Mon, 12 Nov 2007 21:21:12 +0100
Mail-followup-to:	users@crater.dragonflybsd.org

On Mon, Nov 12, 2007 at 09:27:17PM +0100, Simon 'corecode' Schubert wrote:
> No, the problem is that gcc uses %ebx after a function call, which it is
> not allowed to do:

It is allowed to. From the i386 ABI:

If necessary, a function saves the values of %edi, %esi, and %ebx in the
positions shown and restores their values before returning to the caller.

Joerg

References:
- va_copy() problem
  - From: Johannes Hofmann <Johannes.Hofmann@gmx.de>
- gcc update (was: Re: va_copy() problem)
  - From: "Simon 'corecode' Schubert" <corecode@fs.ei.tum.de>

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