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From: Ed Maste <emaste@freebsd.org>
Date: Wed, 1 Apr 2015 17:31:23 -0400
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Subject: Re: profile_rt from llvm folks?
To: Dimitry Andric <dim@freebsd.org>
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Cc: "freebsd-toolchain@freebsd.org" <freebsd-toolchain@freebsd.org>,
 Benno Rice <benno@freebsd.org>, NGie Cooper <yaneurabeya@gmail.com>
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On 1 April 2015 at 16:35, Dimitry Andric <dim@freebsd.org> wrote:
> On 01 Apr 2015, at 02:03, NGie Cooper <yaneurabeya@gmail.com> wrote:
>>
>> Hi all,
>>    We've recently integrated a version of profile_rt from the llvm
>> folks internally to replace gcov for code coverage. I was wondering if
>> there was a plan to replace the copy of gcov in FreeBSD with the same
>> (either in the base system, ports, or both).
>
> I personally have no plans to do so, but the build of libprofile_rt.a
> was added in r276857, at least.

Yes, as of that change one can compile with --coverage, and .gcda and
.gcno files will be produced via the functionality in libprofile_rt.a.

gcov(1) is able to use them, but when I tried llvm-cov it didn't work
correctly; in any case, llvm-cov is now on the roadmap for our
toolchain.

-Ed