[Bug inline-asm/11807] GCC should error out when clobbering the stack pointer and frame pointer

[ncunningham at cyclades dot com]

------- Additional Comments From ncunningham at cyclades dot com  2005-08-23 11:41 -------
Subject: Re:  GCC should error out when clobbering
	the stack pointer and frame pointer

The function needs to be inlined - the return value especially is
pivotal in the transition from the booted kernel context to the
suspended one. That said, I'm no x86 assembly guru, so there might be a
way around it.

Regards,

Nigel

On Tue, 2005-08-23 at 21:34, pinskia at gcc dot gnu dot org wrote:
> ------- Additional Comments From pinskia at gcc dot gnu dot org  2005-08-23 11:34 -------
> (In reply to comment #20)
> > gcc shouldn't always error out in this situation. For suspend to disk, we
> > clobber all registers when restoring the original cpu context after copying back
> > the original kernel context. We could lie to gcc and say we don't clobber the
> > register, but I'd prefer to be honest :>
> 
> You know you can use a function to do that and a .s file for that right?  You don't need to use an inline-
> asm, right?


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11807