Re: gnu asm help...

[Erik Mouw]

On Mon, Jun 18, 2001 at 03:56:50PM -0700, Raj, Ashok wrote:
> i can understand what the LOCK "incl %0 means.. but not sure what the rest
> is for.
> 
> thanks
> ashokr
> 
> static __inline__ void atomic_inc(atomic_t *v)
> {
>     __asm__ __volatile__(
>         LOCK "incl %0"
>         :"=m" (v->counter)
>         :"m" (v->counter));
> }

I also don't know the exact meaning, but here are two nice tutorials
about inline assembly:

http://www-106.ibm.com/developerworks/linux/library/l-ia.html
http://www.uwsg.indiana.edu/hypermail/linux/kernel/9804.2/0953.html

Erik

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J.A.K. (Erik) Mouw, Information and Communication Theory Group, Department
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