[sheepdog] [PATCH 4/4] sheep: dump cluster info when exiting unexpectedly

[MORITA Kazutaka]

At Thu, 28 Feb 2013 14:18:08 +0800,
Liu Yuan wrote:
> 
> On 02/28/2013 01:15 AM, MORITA Kazutaka wrote:
> > +#define sd_dump_variable(var) ({		\
> > +	register void *current_sp asm("rsp");	\
> > +	__sd_dump_variable(#var, current_sp);	\
> > +})
> > +int __sd_dump_variable(const char *var, const void *base_sp);
> 
> Why use macro instead of a inline funciton? We'll lose type check for it.

To pass the stack pointer of the caller of sd_dump_variable.  I think
the function that uses inline assembly doesn't inlined even if we add
__always_inline.

Thanks,

Kazutaka