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s390/compat: convert system call wrappers to C part 11

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Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
This commit is contained in:
Heiko Carstens 2014-02-28 13:22:47 +01:00
parent 18421166e8
commit 9c4d62fab4
4 changed files with 21 additions and 58 deletions
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1
arch/s390/include/asm/compat.h
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@ -65,6 +65,7 @@ typedef u32 compat_caddr_t;
typedef __kernel_fsid_t compat_fsid_t;
typedef s32 compat_key_t;
typedef s32 compat_timer_t;
typedef u32 compat_aio_context_t;
typedef s32 compat_int_t;
typedef s32 compat_long_t;

10
arch/s390/kernel/compat_wrap.c
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@ -124,3 +124,13 @@ COMPAT_SYSCALL_WRAP3(flistxattr, int, fd, char __user *, list, compat_size_t, si
COMPAT_SYSCALL_WRAP2(removexattr, const char __user *, path, const char __user *, name);
COMPAT_SYSCALL_WRAP2(lremovexattr, const char __user *, path, const char __user *, name);
COMPAT_SYSCALL_WRAP2(fremovexattr, int, fd, const char __user *, name);
COMPAT_SYSCALL_WRAP1(exit_group, int, error_code);
COMPAT_SYSCALL_WRAP1(set_tid_address, int __user *, tidptr);
COMPAT_SYSCALL_WRAP1(epoll_create, int, size);
COMPAT_SYSCALL_WRAP4(epoll_ctl, int, epfd, int, op, int, fd, struct epoll_event __user *, event);
COMPAT_SYSCALL_WRAP4(epoll_wait, int, epfd, struct epoll_event __user *, events, int, maxevents, int, timeout);
COMPAT_SYSCALL_WRAP1(timer_getoverrun, timer_t, timer_id);
COMPAT_SYSCALL_WRAP1(timer_delete, compat_timer_t, compat_timer_id);
COMPAT_SYSCALL_WRAP1(io_destroy, compat_aio_context_t, ctx);
COMPAT_SYSCALL_WRAP3(io_cancel, compat_aio_context_t, ctx_id, struct iocb __user *, iocb, struct io_event __user *, result);
COMPAT_SYSCALL_WRAP1(mq_unlink, const char __user *, name);

48
arch/s390/kernel/compat_wrapper.S
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@ -181,32 +181,6 @@ ENTRY(sys32_sched_getaffinity_wrapper)
llgtr %r4,%r4 # unsigned long *
jg compat_sys_sched_getaffinity
ENTRY(sys32_exit_group_wrapper)
lgfr %r2,%r2 # int
jg sys_exit_group # branch to system call
ENTRY(sys32_set_tid_address_wrapper)
llgtr %r2,%r2 # int *
jg sys_set_tid_address # branch to system call
ENTRY(sys_epoll_create_wrapper)
lgfr %r2,%r2 # int
jg sys_epoll_create # branch to system call
ENTRY(sys_epoll_ctl_wrapper)
lgfr %r2,%r2 # int
lgfr %r3,%r3 # int
lgfr %r4,%r4 # int
llgtr %r5,%r5 # struct epoll_event *
jg sys_epoll_ctl # branch to system call
ENTRY(sys_epoll_wait_wrapper)
lgfr %r2,%r2 # int
llgtr %r3,%r3 # struct epoll_event *
lgfr %r4,%r4 # int
lgfr %r5,%r5 # int
jg sys_epoll_wait # branch to system call
ENTRY(sys32_clock_settime_wrapper)
lgfr %r2,%r2 # clockid_t (int)
llgtr %r3,%r3 # struct compat_timespec *
@ -247,23 +221,11 @@ ENTRY(sys32_timer_gettime_wrapper)
llgtr %r3,%r3 # struct compat_itimerspec *
jg compat_sys_timer_gettime
ENTRY(sys32_timer_getoverrun_wrapper)
lgfr %r2,%r2 # timer_t (int)
jg sys_timer_getoverrun
ENTRY(sys32_timer_delete_wrapper)
lgfr %r2,%r2 # timer_t (int)
jg sys_timer_delete
ENTRY(sys32_io_setup_wrapper)
llgfr %r2,%r2 # unsigned int
llgtr %r3,%r3 # u32 *
jg compat_sys_io_setup
ENTRY(sys32_io_destroy_wrapper)
llgfr %r2,%r2 # (aio_context_t) u32
jg sys_io_destroy
ENTRY(sys32_io_getevents_wrapper)
llgfr %r2,%r2 # (aio_context_t) u32
lgfr %r3,%r3 # long
@ -278,12 +240,6 @@ ENTRY(sys32_io_submit_wrapper)
llgtr %r4,%r4 # struct iocb **
jg compat_sys_io_submit
ENTRY(sys32_io_cancel_wrapper)
llgfr %r2,%r2 # (aio_context_t) u32
llgtr %r3,%r3 # struct iocb *
llgtr %r4,%r4 # struct io_event *
jg sys_io_cancel
ENTRY(compat_sys_statfs64_wrapper)
llgtr %r2,%r2 # const char *
llgfr %r3,%r3 # compat_size_t
@ -303,10 +259,6 @@ ENTRY(compat_sys_mq_open_wrapper)
llgtr %r5,%r5 # struct compat_mq_attr *
jg compat_sys_mq_open
ENTRY(sys32_mq_unlink_wrapper)
llgtr %r2,%r2 # const char *
jg sys_mq_unlink
ENTRY(compat_sys_mq_timedsend_wrapper)
lgfr %r2,%r2 # mqd_t
llgtr %r3,%r3 # const char *

20
arch/s390/kernel/syscalls.S
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@ -252,21 +252,21 @@ SYSCALL(sys_sched_getaffinity,sys_sched_getaffinity,sys32_sched_getaffinity_wrap
SYSCALL(sys_tgkill,sys_tgkill,sys_tgkill_wrapper)
NI_SYSCALL /* reserved for TUX */
SYSCALL(sys_io_setup,sys_io_setup,sys32_io_setup_wrapper)
SYSCALL(sys_io_destroy,sys_io_destroy,sys32_io_destroy_wrapper)
SYSCALL(sys_io_destroy,sys_io_destroy,compat_sys_io_destroy)
SYSCALL(sys_io_getevents,sys_io_getevents,sys32_io_getevents_wrapper) /* 245 */
SYSCALL(sys_io_submit,sys_io_submit,sys32_io_submit_wrapper)
SYSCALL(sys_io_cancel,sys_io_cancel,sys32_io_cancel_wrapper)
SYSCALL(sys_exit_group,sys_exit_group,sys32_exit_group_wrapper)
SYSCALL(sys_epoll_create,sys_epoll_create,sys_epoll_create_wrapper)
SYSCALL(sys_epoll_ctl,sys_epoll_ctl,sys_epoll_ctl_wrapper) /* 250 */
SYSCALL(sys_epoll_wait,sys_epoll_wait,sys_epoll_wait_wrapper)
SYSCALL(sys_set_tid_address,sys_set_tid_address,sys32_set_tid_address_wrapper)
SYSCALL(sys_io_cancel,sys_io_cancel,compat_sys_io_cancel)
SYSCALL(sys_exit_group,sys_exit_group,compat_sys_exit_group)
SYSCALL(sys_epoll_create,sys_epoll_create,compat_sys_epoll_create)
SYSCALL(sys_epoll_ctl,sys_epoll_ctl,compat_sys_epoll_ctl) /* 250 */
SYSCALL(sys_epoll_wait,sys_epoll_wait,compat_sys_epoll_wait)
SYSCALL(sys_set_tid_address,sys_set_tid_address,compat_sys_set_tid_address)
SYSCALL(sys_s390_fadvise64,sys_fadvise64_64,compat_sys_s390_fadvise64)
SYSCALL(sys_timer_create,sys_timer_create,sys32_timer_create_wrapper)
SYSCALL(sys_timer_settime,sys_timer_settime,sys32_timer_settime_wrapper) /* 255 */
SYSCALL(sys_timer_gettime,sys_timer_gettime,sys32_timer_gettime_wrapper)
SYSCALL(sys_timer_getoverrun,sys_timer_getoverrun,sys32_timer_getoverrun_wrapper)
SYSCALL(sys_timer_delete,sys_timer_delete,sys32_timer_delete_wrapper)
SYSCALL(sys_timer_getoverrun,sys_timer_getoverrun,compat_sys_timer_getoverrun)
SYSCALL(sys_timer_delete,sys_timer_delete,compat_sys_timer_delete)
SYSCALL(sys_clock_settime,sys_clock_settime,sys32_clock_settime_wrapper)
SYSCALL(sys_clock_gettime,sys_clock_gettime,sys32_clock_gettime_wrapper) /* 260 */
SYSCALL(sys_clock_getres,sys_clock_getres,sys32_clock_getres_wrapper)
@ -280,7 +280,7 @@ NI_SYSCALL /* 268 sys_mbind */
NI_SYSCALL /* 269 sys_get_mempolicy */
NI_SYSCALL /* 270 sys_set_mempolicy */
SYSCALL(sys_mq_open,sys_mq_open,compat_sys_mq_open_wrapper)
SYSCALL(sys_mq_unlink,sys_mq_unlink,sys32_mq_unlink_wrapper)
SYSCALL(sys_mq_unlink,sys_mq_unlink,compat_sys_mq_unlink)
SYSCALL(sys_mq_timedsend,sys_mq_timedsend,compat_sys_mq_timedsend_wrapper)
SYSCALL(sys_mq_timedreceive,sys_mq_timedreceive,compat_sys_mq_timedreceive_wrapper)
SYSCALL(sys_mq_notify,sys_mq_notify,compat_sys_mq_notify_wrapper) /* 275 */