Code coverage via GCOV

[Gedare Bloom]

On Fri, Nov 20, 2020 at 7:47 AM Sebastian Huber
<sebastian.huber at embedded-brains.de> wrote:
>
>
> On 20/11/2020 15:46, Sebastian Huber wrote:
> > On 10/11/2020 13:58, Sebastian Huber wrote:
> >
> >> Hello,
> >>
> >> I reviewed a bit how the code coverage information is produced by GCC
> >> and what libgcov does. I think if we want to use GCOV in RTEMS to get
> >> code coverage in all system states, then we need some tweaks in GCC:
> >>
> >> https://gcc.gnu.org/pipermail/gcc/2020-November/234164.html
> >
> > The linker set based gcov information registration is already included
> > in GCC:
> >
> > https://gcc.gnu.org/onlinedocs/gcc/Instrumentation-Options.html#index-fprofile-info-section
> >
> >
> > There is a discussion about how the gcov information can be
> > transferred from the embedded system to the host:
> >
> > https://gcc.gnu.org/onlinedocs/gcc/Instrumentation-Options.html#index-fprofile-info-section
> >
>
> Sorry, this is the URL:
>
> https://gcc.gnu.org/pipermail/gcc-patches/2020-November/559342.html
>

It's an interesting read. Thanks for pushing on them to consider
embedded needs (or at least, our needs). It will be nice if we can get
onboard coverage runs and not just simulated ones.

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