On Fri, Apr 19, 2002 at 12:29:32AM +0100, Russell King - ARM Linux wrote:
> On Thu, Apr 18, 2002 at 03:23:10PM -0700, Wayne Yen wrote:
> > I am interested in writing the ARM assembly as C-Macro.
> > I've tried to look at the #define __save_flags_cli(x) in system.h and am
> > able to guess what it means, I'd appreciated if someone can point me to
> > any documentation detailing the syntax.
>
> info gcc
> /constraints
>
> As a starter, the general syntax is:
>
> asm("<<asm code>>" :
> "output constraint" (variable) ... :
> "input constraint" (variable) ... :
> "clobber list")
The Kernelnewbies links page has two pointers to inline assembly. They
are focused on i386, but it's applicable to ARM as well. See:
http://www.kernelnewbies.org/links/
Just search for "assembly".
Erik
--
J.A.K. (Erik) Mouw, Information and Communication Theory Group, Faculty
of Information Technology and Systems, Delft University of Technology,
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Fax: +31-15-2781843 Email: [EMAIL PROTECTED]
WWW: http://www-ict.its.tudelft.nl/~erik/
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