Re: [avr-gcc-list] How to do multi-line assembler macros?

[David Gay]

Joerg Wunsch wrote:
> As Brian Dean <address@hidden> wrote:
>
>
> > There are lots of servos, so I'd like to write a macro like this:
> >
> > #define RESET_SERVO(servo) \
> >         lds     r##servo, servo_##servo ;\
>
>
> IIRC, the $ sign is used as a logical line terminator.
>
> Yep.  How's that proverb?  ``All documentation files usually end up in
> .c.''  This is from gas/config/tc-avr:
>
> const char comment_chars[] = ";";
> const char line_comment_chars[] = "#";
> const char line_separator_chars[] = "$";


While we're on this: why did avr-as choose to use $ as a line separator, and ; 
for comments? Most versions of GNU as uses ; as the line separator... Also, gcc 
allows $ in identifiers, which leads to exciting assembler output when you do 
that with avr-gcc ;-)

David Gay
address@hidden