Re: Linux doesn't follow x86/x86-64 ABI wrt direction flag
Samuel Thibault, le Sat 08 Mar 2008 16:54:24 +0000, a écrit :
> Aurelien Jarno, le Wed 05 Mar 2008 23:09:16 +0100, a écrit :
> > On Wed, Mar 05, 2008 at 10:53:28PM +0100, Aurelien Jarno wrote:
> > > - hurd crashes in this case. It has to be fixed
>
> It's actually worse than that:
>
> asm("std"); printf("bouh!\n");
>
> would crash Mach :)
> That's because on syscall GNU Mach wasn't calling cld, I commited a fix,
> pending upload.
I forgot to talk about the actual problem: clearing DF before entering
signal handlers. Of course (we are in the Hurdish world) that's not a
bug in Mach but in glibc :) Fix pending upload too.
Samuel
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