| Message ID | 20230819094806.14965-10-kariem.taha2.7@gmail.com |
|---|---|
| State | New |
| Headers | show |
| Series | Implement the mmap system call for FreeBSD. | expand |
On Sat, Aug 19, 2023 at 3:48 AM Karim Taha <kariem.taha2.7@gmail.com> wrote: > From: Stacey Son <sson@FreeBSD.org> > > Signed-off-by: Stacey Son <sson@FreeBSD.org> > Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com> > --- > bsd-user/bsd-mem.c | 41 +++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 41 insertions(+) > Reviewed-by: Warner Losh <imp@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 > >
On 8/19/23 02:47, Karim Taha wrote: > From: Stacey Son<sson@FreeBSD.org> > > Signed-off-by: Stacey Son<sson@FreeBSD.org> > Signed-off-by: Karim Taha<kariem.taha2.7@gmail.com> > --- > bsd-user/bsd-mem.c | 41 +++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 41 insertions(+) Reviewed-by: Richard Henderson <richard.henderson@linaro.org> r~
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; +} +