Le 29/03/2016 16:01, cheng...@emindsoft.com.cn a écrit :
> From: Chen Gang <cheng...@emindsoft.com.cn>
>
> The restorer needs the return code address which is frame->retcode, not
> frame itself.
>
> Signed-off-by: Chen Gang <gang.chen.5...@gmail.com>
> ---
> linux-user/signal.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/linux-user/signal.c b/linux-user/signal.c
> index e487f9e..4157154 100644
> --- a/linux-user/signal.c
> +++ b/linux-user/signal.c
> @@ -5455,7 +5455,7 @@ static void setup_rt_frame(int sig, struct
> target_sigaction *ka,
> &frame->retcode[1]);
> __put_user(INSN_CALLSYS, &frame->retcode[2]);
> /* imb(); */
> - r26 = frame_addr;
> + r26 = frame_addr + offsetof(struct target_rt_sigframe, retcode);
> }
>
> if (err) {
>
If you change setup_rt_frame(), you must update setup_frame() too.
It seems correct.
Richard, as you have written the original code, could you check this is
correct?
Laurent
