excluding files from generating profile data

[Ian Lance Taylor]

Matt <matt@use.net> writes:

> In using the gcov options to measure our unit test coverage, we are
> getting low coverage numbers being reported for various directories
> under bits/. I assume this is due to our inclusion of <vector> in the
> program we are measuring coverage on.
>
> With both GCC 4.3.3 and GCC 4.4, we have been unable to filter out
> these extraneous coverage bits. We have tried both the
> -finstrument-functions-exclude-file-list and
> -finstrument-functions-exclude-function-list options, neither of which
> seem to have any effect on the coverage data being generated.
>
> How can we exclude the calculation of the coverage of the files in the
> gcc's bits/ directory?

Those options only affect -finstrument-functions.  They do not affect
coverage, which is controlled by -fprofile-arcs/-ftest-coverage/
--coverage.  Unfortunately I don't know of any way to control coverage
information for a specific function, or to ignore certain inlined
functions.

Ian