----- Original Message -----
> From: "Zhang Jian(Bamvor)" <bamvor.zhangj...@huawei.com>
> To: ltp-list@lists.sourceforge.net
> Cc: "bintian wang" <bintian.w...@huawei.com>, yangyingli...@huawei.com,
> apin...@cavium.com, dingtianh...@huawei.com
> Sent: Thursday, 19 March, 2015 6:16:36 AM
> Subject: [LTP] [RFC PATCH 1/3] ARM64: ILP32: modify struct kernel_sigaction
>
> From: Yang Yingliang <yangyingli...@huawei.com>
>
> In ILP32, the sigaction struct is the same as AARCH64.
> To allow for this to work, we use a long long fields and
> then add extra casts when converting between the user
> exposed struct and the kernel exposed struct.
> The modify is came from a patch of glibc,
> the commit is 9266f4b060f6("Add kernel_sigaction.h for AARCH64 ILP32").
>
> Signed-off-by: Yang Yingliang <yangyingli...@huawei.com>
> ---
> include/lapi/rt_sigaction.h | 12 ++++++------
> 1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/include/lapi/rt_sigaction.h b/include/lapi/rt_sigaction.h
> index 46f6a50..2b1365a 100644
> --- a/include/lapi/rt_sigaction.h
> +++ b/include/lapi/rt_sigaction.h
> @@ -34,9 +34,9 @@
> #define INVAL_SA_PTR ((void *)-1)
>
> struct kernel_sigaction {
> - __sighandler_t k_sa_handler;
> - unsigned long sa_flags;
> - void (*sa_restorer) (void);
> + unsigned long long k_sa_handler;
> + unsigned long long sa_flags;
> + unsigned long long sa_restorer;
Isn't this going to break i386? (long is 4, long long is 8).
Regards,
Jan
> sigset_t sa_mask;
> };
>
> @@ -159,7 +159,7 @@ static int ltp_rt_sigaction(int signum, const struct
> sigaction *act,
> if (act == INVAL_SA_PTR) {
> kact_p = INVAL_SA_PTR;
> } else if (act) {
> - kact.k_sa_handler = act->sa_handler;
> + kact.k_sa_handler = (unsigned long
> long)(uintptr_t)act->sa_handler;
> memcpy(&kact.sa_mask, &act->sa_mask, sizeof(sigset_t));
> kact.sa_flags = act->sa_flags;
> kact.sa_restorer = NULL;
> @@ -203,12 +203,12 @@ static int ltp_rt_sigaction(int signum, const struct
> sigaction *act,
>
> if (ret >= 0) {
> if (oact && (oact != INVAL_SA_PTR)) {
> - oact->sa_handler = koact.k_sa_handler;
> + oact->sa_handler = (void*)(uintptr_t)koact.k_sa_handler;
> memcpy(&oact->sa_mask, &koact.sa_mask,
> sizeof(sigset_t));
> oact->sa_flags = koact.sa_flags;
> #ifdef HAVE_SA_RESTORER
> - oact->sa_restorer = koact.sa_restorer;
> + oact->sa_restorer = (void*)(uintptr_t)koact.sa_restorer;
> #endif
> }
> }
> --
> 1.8.4.5
>
>
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news, videos, case studies, tutorials and more. Take a look and join the
conversation now. http://goparallel.sourceforge.net/
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