Re: gcc: optimizations, and stack traces

[Maxime Villard <max%m00nbsd.net@localhost>]

Le 18/02/2018 à 21:37, Maxime Villard a écrit :
> Le 11/02/2018 à 12:04, Krister Walfridsson a écrit :
> > On Sun, Feb 11, 2018 at 9:11 AM, Maxime Villard <max%m00nbsd.net@localhost> wrote:
> > > [...] we need to find a way
> > > to tell GCC to always push the frame at the beginning of the functions.
> >
> > This is done by passing the -fno-shrink-wrap flag to GCC.
> >
> >     /Krister
>
> Sorry for the delay; I tested a week ago with -fno-shrink-wrap and it didn't
> change anything. I'll retry properly soon.

I re-tested properly, and indeed it works. I could verify that the frame is
always pushed at the very beginning of the functions.

Many of our ASM functions don't push frames, but that's a different issue.

Thanks for the info,
Maxime