Without -S we run into potential races with tests starting before the
gdbstub attaches. We don't need to worry about user-mode as enabling
the gdbstub implies we wait for the initial connection.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230810153640.1879717-7-alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>