Re: macro's and local variables

[Mischa Baars <mjbaars1977 at gmail dot com>]

On 10/18/2012 10:30 AM, Jan Beulich wrote:
> > > > On 17.10.12 at 20:49, Mischa Baars <mjbaars1977@gmail.com> wrote:
> > Now try to uncomment the '.altmacro' directive if you like.
> You _again_ did not read the documentation carefully enough:
> Angle brackets (which is what C shift operators are made of)
> can't be used verbatim in alternate macro mode.
>
> Simply using
>
> #define N (1 shl n)
>
> instead makes the file assemble fine with .altmacro enabled.
>
> Jan

Since I would like to interface with C, you would get as demonstrated in 
the attachments. I didn't know that 'shl' is accepted by the C compiler. 
Seems to work for now though.

Mischa.
#ifndef __COMMON_H__
#define __COMMON_H__

#define n 2
#define r 3

#define N (1 shl n)
#define R (1 shl r)

#endif

Attachment: function.S
Description: Text document

#include "common.h"

extern void function();

int main()
{
	function();
}

Attachment: makefile
Description: Text document