Re: [avr-llvm-devel] Interrupt handling

[Borja F. <bor...@gm...>]

Heh ok :)  that's why I did the truth table above, because some attributes
override others and we want to have the same behaviour as gcc. Now that
everything is clear I'll implement this next.

Btw, I've already fixed the case of not emitting ret/reti when naked is
present.

2012/3/6 Weddington, Eric <Eri...@at...>

>
>
> > -----Original Message-----
> > From: Borja Ferrer [mailto:bor...@gm...]
> > Sent: Monday, March 05, 2012 5:43 PM
> > To: Weddington, Eric
> > Cc: avr...@li...
> > Subject: Re: [avr-llvm-devel] Interrupt handling
> >
> >
> > #define ISR(vector, ...)            \
> >     void vector (void) __attribute__ ((signal,__INTR_ATTRS))
> __VA_ARGS__; \
> >     void vector (void)
> > #  define ISR_NOBLOCK    __attribute__((interrupt))
> >
> >
>
> Hmm. Yeah, ok, you're correct about that. I forgot about all that stuff
> that was added to avr-libc.
>
> So, in this case, the "interrupt" attribute overrides "signal".
>
> I think you're good to go now. :-)
>
> Eric
>