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Re: [Qemu-devel] [PATCH] target/xtensa: linux-user: rewind pc for restar
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From: |
Laurent Vivier |
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Subject: |
Re: [Qemu-devel] [PATCH] target/xtensa: linux-user: rewind pc for restarted syscall |
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Date: |
Sat, 31 Mar 2018 22:22:02 +0200 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 |
Le 30/03/2018 à 21:59, Max Filippov a écrit :
> In case of syscall restart request set pc back to the syscall
> instruction.
>
> Signed-off-by: Max Filippov <address@hidden>
> ---
> linux-user/main.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/linux-user/main.c b/linux-user/main.c
> index ba09b7d0c873..8907a8411411 100644
> --- a/linux-user/main.c
> +++ b/linux-user/main.c
> @@ -4006,6 +4006,9 @@ void cpu_loop(CPUXtensaState *env)
> break;
>
> case -TARGET_ERESTARTSYS:
> + env->pc -= 3;
> + break;
> +
> case -TARGET_QEMU_ESIGRETURN:
> break;
> }
>
Reviewed-by: Laurent Vivier <address@hidden>