How defines RTEMS_COVERAGE?

[Joel Sherrill]

On Wed, Jul 14, 2021, 7:27 AM Sebastian Huber <
sebastian.huber at embedded-brains.de> wrote:

> On 14/07/2021 14:25, Joel Sherrill wrote:
> >
> >
> > On Wed, Jul 14, 2021, 7:15 AM Sebastian Huber
> > <sebastian.huber at embedded-brains.de
> > <mailto:sebastian.huber at embedded-brains.de>> wrote:
> >
> >     Hello,
> >
> >     I had a bit of time to work on the gcov support for RTEMS:
> >
> >     https://gcc.gnu.org/pipermail/gcc-patches/2021-July/575122.html
> >     <https://gcc.gnu.org/pipermail/gcc-patches/2021-July/575122.html>
> >
> >     I tried to add an RTEMS_COVERAGE build option to enable gcov. Then I
> >     noticed that such a define is already used in RTEMS:
> >
> >     testsuites/sptests/spcoverage/init.c:  #if defined(RTEMS_COVERAGE)
> >
> >     Who provides this define?
> >
> >
> > I have no idea what this does. The covoar reports require no special
> > defines. The most you might do is use -Os to make the analysis easier
> > since the code is easier to follow when optimising for size.
> >
> > What does that test even do?
>
> rtems_task Init(
>    rtems_task_argument ignored
> )
> {
>    TEST_BEGIN();
>
>    puts( "Init - If coverage enabled, call coverage marker methods" );
>    #if defined(RTEMS_COVERAGE)
>      start_coverage();
>      end_coverage();
>    #endif
>
>    TEST_END();
>    rtems_test_exit(0);
> }
>
>  From looking at the git log, the start_coverage() and end_coverage()
> were never defined in RTEMS. I guess we can remove this test program.
>

I've honestly got no idea. Removing it seems right.

--joel



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