Re: [Xen-devel] [PATCH v3 05/12] fuzz/x86_emulate: Add 'afl-cov' target

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 10/10/17 17:20, George Dunlap wrote:
> ...to generate a "normal" coverage-instrumented binary, suitable for
> use with gcov or afl-cov.
>
> This is slightly annoying because:
>
>  - Every object file needs to have been instrumented to work
>    effectively
>
>  - You generally want to have both an afl-instrumented binary and a
>    gcov-instrumented binary at the same time, but
>
>  - gcov instrumentation and afl instrumentation are mutually exclusive
>
> So when making the `afl-cov` target, generate a second set of object
> files and a second binary with the `-cov` suffix.
>
> While we're here, remove the redundant x86-emulate.c dependency for
> x86-emulate.o.
>
> Signed-off-by: George Dunlap <george.dunlap@xxxxxxxxxx>

Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

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