Re: [PATCH 2/3] util/cpuinfo-riscv: Support OpenBSD signal frame

[Alistair Francis]

On Fri, Jun 28, 2024 at 4:06 AM Richard Henderson
<richard.henderson@linaro.org> wrote:
>
> Reported-by: Brad Smith <brad@comstyle.com>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

Acked-by: Alistair Francis <alistair.francis@wdc.com>

Alistair

> ---
>  util/cpuinfo-riscv.c | 7 +++++++
>  1 file changed, 7 insertions(+)
>
> diff --git a/util/cpuinfo-riscv.c b/util/cpuinfo-riscv.c
> index 6b97100620..abf799794f 100644
> --- a/util/cpuinfo-riscv.c
> +++ b/util/cpuinfo-riscv.c
> @@ -13,7 +13,14 @@ static void sigill_handler(int signo, siginfo_t *si, void 
> *data)
>  {
>      /* Skip the faulty instruction */
>      ucontext_t *uc = (ucontext_t *)data;
> +
> +#ifdef __linux__
>      uc->uc_mcontext.__gregs[REG_PC] += 4;
> +#elif defined(__OpenBSD__)
> +    uc->sc_sepc += 4;
> +#else
> +# error Unsupported OS
> +#endif
>
>      got_sigill = 1;
>  }
> --
> 2.34.1
>
>