On Sat, Aug 19, 2023 at 3:48 AM Karim Taha <kariem.taha...@gmail.com> wrote:
> From: Stacey Son <s...@freebsd.org>
>
> Signed-off-by: Stacey Son <s...@freebsd.org>
> Signed-off-by: Karim Taha <kariem.taha...@gmail.com>
> ---
> bsd-user/bsd-mem.c | 41 +++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 41 insertions(+)
>
Reviewed-by: Warner Losh <i...@bsdimp.com>
> diff --git a/bsd-user/bsd-mem.c b/bsd-user/bsd-mem.c
> index 6c123abf04..e69250cc0d 100644
> --- a/bsd-user/bsd-mem.c
> +++ b/bsd-user/bsd-mem.c
> @@ -36,3 +36,44 @@ void target_set_brk(abi_ulong new_brk)
> bsd_target_original_brk = bsd_target_brk = HOST_PAGE_ALIGN(new_brk);
> brk_page = HOST_PAGE_ALIGN(bsd_target_brk);
> }
> +
> +abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
> + abi_ulong target_addr)
> +{
> + struct target_ipc_perm *target_ip;
> +
> + if (!lock_user_struct(VERIFY_READ, target_ip, target_addr, 1)) {
> + return -TARGET_EFAULT;
> + }
> + __get_user(host_ip->cuid, &target_ip->cuid);
> + __get_user(host_ip->cgid, &target_ip->cgid);
> + __get_user(host_ip->uid, &target_ip->uid);
> + __get_user(host_ip->gid, &target_ip->gid);
> + __get_user(host_ip->mode, &target_ip->mode);
> + __get_user(host_ip->seq, &target_ip->seq);
> + __get_user(host_ip->key, &target_ip->key);
> + unlock_user_struct(target_ip, target_addr, 0);
> +
> + return 0;
> +}
> +
> +abi_long host_to_target_ipc_perm(abi_ulong target_addr,
> + struct ipc_perm *host_ip)
> +{
> + struct target_ipc_perm *target_ip;
> +
> + if (!lock_user_struct(VERIFY_WRITE, target_ip, target_addr, 0)) {
> + return -TARGET_EFAULT;
> + }
> + __put_user(host_ip->cuid, &target_ip->cuid);
> + __put_user(host_ip->cgid, &target_ip->cgid);
> + __put_user(host_ip->uid, &target_ip->uid);
> + __put_user(host_ip->gid, &target_ip->gid);
> + __put_user(host_ip->mode, &target_ip->mode);
> + __put_user(host_ip->seq, &target_ip->seq);
> + __put_user(host_ip->key, &target_ip->key);
> + unlock_user_struct(target_ip, target_addr, 1);
> +
> + return 0;
> +}
> +
> --
> 2.40.0
>
>
