Re: [Qemu-devel] [ARM/FDPIC 4/4] linux-user: ARM-FDPIC: Add arm get tls syscall support

[Peter Maydell <peter.maydell@linaro.org>]

On 6 April 2018 at 16:17, Christophe Lyon <christophe.lyon@st.com> wrote:
> Co-Authored-By: Mickaël Guêné <mickael.guene@st.com>
> Signed-off-by: Christophe Lyon <christophe.lyon@st.com>
>
> diff --git a/linux-user/arm/target_syscall.h b/linux-user/arm/target_syscall.h
> index 94e2a42..afc0772 100644
> --- a/linux-user/arm/target_syscall.h
> +++ b/linux-user/arm/target_syscall.h
> @@ -16,6 +16,7 @@ struct target_pt_regs {
>  #define ARM_NR_breakpoint (ARM_NR_BASE + 1)
>  #define ARM_NR_cacheflush (ARM_NR_BASE + 2)
>  #define ARM_NR_set_tls   (ARM_NR_BASE + 5)
> +#define ARM_NR_get_tls    (ARM_NR_BASE + 6)
>
>  #define ARM_NR_semihosting       0x123456
>  #define ARM_NR_thumb_semihosting  0xAB
> diff --git a/linux-user/main.c b/linux-user/main.c
> index 00810d6..1814578 100644
> --- a/linux-user/main.c
> +++ b/linux-user/main.c
> @@ -720,6 +720,9 @@ void cpu_loop(CPUARMState *env)
>                          case ARM_NR_breakpoint:
>                              env->regs[15] -= env->thumb ? 2 : 4;
>                              goto excp_debug;
> +                        case ARM_NR_get_tls:
> +                            env->regs[0] = cpu_get_tls(env);
> +                            break;
>                          default:
>                              gemu_log("qemu: Unsupported ARM syscall: 0x%x\n",
>                                       n);

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>

This is a bug fix unrelated to FDPIC, I think.

thanks
-- PMM