On Fri, 27 Mar 2020 18:53:55 +0300
Eugeniy Paltsev <eugeniy.palt...@synopsys.com> wrote:
> +
> +noinline void _mcount(unsigned long parent_ip)
> +{
> + unsigned long ip = (unsigned long)__builtin_return_address(0);
> +
> + if (unlikely(ftrace_trace_function != ftrace_stub))
> + ftrace_trace_function(ip - MCOUNT_INSN_SIZE, parent_ip,
> + NULL, NULL);
> +}
> +EXPORT_SYMBOL(_mcount);
So, ARCv2 allows the _mcount code to be written in C? Nice!
-- Steve
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