svn commit: r344487 - in head/sys: conf gnu/gcov

[Alan Somers]

On Sat, Feb 23, 2019 at 2:14 PM Matt Macy <mmacy at freebsd.org> wrote:
>
> Author: mmacy
> Date: Sat Feb 23 21:14:00 2019
> New Revision: 344487
> URL: https://svnweb.freebsd.org/changeset/base/344487
>
> Log:
>   gcov support
>
>   add gcov support and export results as files in debugfs
>
>   Reviewed by:  hps@
>   MFC after:    1 week
>   Sponsored by: iX Systems
>   Differential Revision:        https://reviews.freebsd.org/D19260
>
> Added:
>   head/sys/gnu/gcov/
>   head/sys/gnu/gcov/gcc_4_7.c   (contents, props changed)
>   head/sys/gnu/gcov/gcov.h   (contents, props changed)
>   head/sys/gnu/gcov/gcov_fs.c   (contents, props changed)
>   head/sys/gnu/gcov/gcov_subr.c   (contents, props changed)
> Modified:
>   head/sys/conf/files
>   head/sys/conf/kern.mk
>   head/sys/conf/kern.post.mk
>   head/sys/conf/kern.pre.mk
>   head/sys/conf/kmod.mk
>   head/sys/conf/options

On a more practical note, how does one use this new feature?  It looks
like it could be quite useful.
-Alan