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authorPaul Mundt <lethal@linux-sh.org>2006-09-26 22:36:10 -0400
committerPaul Mundt <lethal@linux-sh.org>2006-09-26 22:36:10 -0400
commit1c5f8f85df96dd7c17d63eed2d7da18b3ad00b6d (patch)
treec207fba027e33ada37d5e043528922241d024626 /arch/sh
parent765ae317ce030217af556dc46bec238dab15091e (diff)
sh: Move syscall table in to syscall.S.
Move the syscall table in to its own file, as per sh64. The entry.S bits will end up being considerably different in the sh2/sh2a cases, so this lets us keep things in sync somewhat.. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh')
-rw-r--r--arch/sh/kernel/Makefile2
-rw-r--r--arch/sh/kernel/entry.S297
-rw-r--r--arch/sh/kernel/syscalls.S324
3 files changed, 325 insertions, 298 deletions
diff --git a/arch/sh/kernel/Makefile b/arch/sh/kernel/Makefile
index f05cd96f8867..2de82b66af4a 100644
--- a/arch/sh/kernel/Makefile
+++ b/arch/sh/kernel/Makefile
@@ -6,7 +6,7 @@ extra-y := head.o init_task.o vmlinux.lds
6 6
7obj-y := process.o signal.o entry.o traps.o irq.o \ 7obj-y := process.o signal.o entry.o traps.o irq.o \
8 ptrace.o setup.o time.o sys_sh.o semaphore.o \ 8 ptrace.o setup.o time.o sys_sh.o semaphore.o \
9 io.o io_generic.o sh_ksyms.o 9 io.o io_generic.o sh_ksyms.o syscalls.o
10 10
11obj-y += cpu/ timers/ 11obj-y += cpu/ timers/
12 12
diff --git a/arch/sh/kernel/entry.S b/arch/sh/kernel/entry.S
index 7dfd2ba75f7f..a3a717adbf43 100644
--- a/arch/sh/kernel/entry.S
+++ b/arch/sh/kernel/entry.S
@@ -838,300 +838,3 @@ ENTRY(exception_none)
838 rts 838 rts
839 nop 839 nop
840 840
841 .data
842ENTRY(sys_call_table)
843 .long sys_ni_syscall /* 0 - old "setup()" system call*/
844 .long sys_exit
845 .long sys_fork
846 .long sys_read
847 .long sys_write
848 .long sys_open /* 5 */
849 .long sys_close
850 .long sys_waitpid
851 .long sys_creat
852 .long sys_link
853 .long sys_unlink /* 10 */
854 .long sys_execve
855 .long sys_chdir
856 .long sys_time
857 .long sys_mknod
858 .long sys_chmod /* 15 */
859 .long sys_lchown16
860 .long sys_ni_syscall /* old break syscall holder */
861 .long sys_stat
862 .long sys_lseek
863 .long sys_getpid /* 20 */
864 .long sys_mount
865 .long sys_oldumount
866 .long sys_setuid16
867 .long sys_getuid16
868 .long sys_stime /* 25 */
869 .long sys_ptrace
870 .long sys_alarm
871 .long sys_fstat
872 .long sys_pause
873 .long sys_utime /* 30 */
874 .long sys_ni_syscall /* old stty syscall holder */
875 .long sys_ni_syscall /* old gtty syscall holder */
876 .long sys_access
877 .long sys_nice
878 .long sys_ni_syscall /* 35 */ /* old ftime syscall holder */
879 .long sys_sync
880 .long sys_kill
881 .long sys_rename
882 .long sys_mkdir
883 .long sys_rmdir /* 40 */
884 .long sys_dup
885 .long sys_pipe
886 .long sys_times
887 .long sys_ni_syscall /* old prof syscall holder */
888 .long sys_brk /* 45 */
889 .long sys_setgid16
890 .long sys_getgid16
891 .long sys_signal
892 .long sys_geteuid16
893 .long sys_getegid16 /* 50 */
894 .long sys_acct
895 .long sys_umount /* recycled never used phys() */
896 .long sys_ni_syscall /* old lock syscall holder */
897 .long sys_ioctl
898 .long sys_fcntl /* 55 */
899 .long sys_ni_syscall /* old mpx syscall holder */
900 .long sys_setpgid
901 .long sys_ni_syscall /* old ulimit syscall holder */
902 .long sys_ni_syscall /* sys_olduname */
903 .long sys_umask /* 60 */
904 .long sys_chroot
905 .long sys_ustat
906 .long sys_dup2
907 .long sys_getppid
908 .long sys_getpgrp /* 65 */
909 .long sys_setsid
910 .long sys_sigaction
911 .long sys_sgetmask
912 .long sys_ssetmask
913 .long sys_setreuid16 /* 70 */
914 .long sys_setregid16
915 .long sys_sigsuspend
916 .long sys_sigpending
917 .long sys_sethostname
918 .long sys_setrlimit /* 75 */
919 .long sys_old_getrlimit
920 .long sys_getrusage
921 .long sys_gettimeofday
922 .long sys_settimeofday
923 .long sys_getgroups16 /* 80 */
924 .long sys_setgroups16
925 .long sys_ni_syscall /* sys_oldselect */
926 .long sys_symlink
927 .long sys_lstat
928 .long sys_readlink /* 85 */
929 .long sys_uselib
930 .long sys_swapon
931 .long sys_reboot
932 .long old_readdir
933 .long old_mmap /* 90 */
934 .long sys_munmap
935 .long sys_truncate
936 .long sys_ftruncate
937 .long sys_fchmod
938 .long sys_fchown16 /* 95 */
939 .long sys_getpriority
940 .long sys_setpriority
941 .long sys_ni_syscall /* old profil syscall holder */
942 .long sys_statfs
943 .long sys_fstatfs /* 100 */
944 .long sys_ni_syscall /* ioperm */
945 .long sys_socketcall
946 .long sys_syslog
947 .long sys_setitimer
948 .long sys_getitimer /* 105 */
949 .long sys_newstat
950 .long sys_newlstat
951 .long sys_newfstat
952 .long sys_uname
953 .long sys_ni_syscall /* 110 */ /* iopl */
954 .long sys_vhangup
955 .long sys_ni_syscall /* idle */
956 .long sys_ni_syscall /* vm86old */
957 .long sys_wait4
958 .long sys_swapoff /* 115 */
959 .long sys_sysinfo
960 .long sys_ipc
961 .long sys_fsync
962 .long sys_sigreturn
963 .long sys_clone /* 120 */
964 .long sys_setdomainname
965 .long sys_newuname
966 .long sys_ni_syscall /* sys_modify_ldt */
967 .long sys_adjtimex
968 .long sys_mprotect /* 125 */
969 .long sys_sigprocmask
970 .long sys_ni_syscall /* old "create_module" */
971 .long sys_init_module
972 .long sys_delete_module
973 .long sys_ni_syscall /* 130: old "get_kernel_syms" */
974 .long sys_quotactl
975 .long sys_getpgid
976 .long sys_fchdir
977 .long sys_bdflush
978 .long sys_sysfs /* 135 */
979 .long sys_personality
980 .long sys_ni_syscall /* for afs_syscall */
981 .long sys_setfsuid16
982 .long sys_setfsgid16
983 .long sys_llseek /* 140 */
984 .long sys_getdents
985 .long sys_select
986 .long sys_flock
987 .long sys_msync
988 .long sys_readv /* 145 */
989 .long sys_writev
990 .long sys_getsid
991 .long sys_fdatasync
992 .long sys_sysctl
993 .long sys_mlock /* 150 */
994 .long sys_munlock
995 .long sys_mlockall
996 .long sys_munlockall
997 .long sys_sched_setparam
998 .long sys_sched_getparam /* 155 */
999 .long sys_sched_setscheduler
1000 .long sys_sched_getscheduler
1001 .long sys_sched_yield
1002 .long sys_sched_get_priority_max
1003 .long sys_sched_get_priority_min /* 160 */
1004 .long sys_sched_rr_get_interval
1005 .long sys_nanosleep
1006 .long sys_mremap
1007 .long sys_setresuid16
1008 .long sys_getresuid16 /* 165 */
1009 .long sys_ni_syscall /* vm86 */
1010 .long sys_ni_syscall /* old "query_module" */
1011 .long sys_poll
1012 .long sys_nfsservctl
1013 .long sys_setresgid16 /* 170 */
1014 .long sys_getresgid16
1015 .long sys_prctl
1016 .long sys_rt_sigreturn
1017 .long sys_rt_sigaction
1018 .long sys_rt_sigprocmask /* 175 */
1019 .long sys_rt_sigpending
1020 .long sys_rt_sigtimedwait
1021 .long sys_rt_sigqueueinfo
1022 .long sys_rt_sigsuspend
1023 .long sys_pread_wrapper /* 180 */
1024 .long sys_pwrite_wrapper
1025 .long sys_chown16
1026 .long sys_getcwd
1027 .long sys_capget
1028 .long sys_capset /* 185 */
1029 .long sys_sigaltstack
1030 .long sys_sendfile
1031 .long sys_ni_syscall /* streams1 */
1032 .long sys_ni_syscall /* streams2 */
1033 .long sys_vfork /* 190 */
1034 .long sys_getrlimit
1035 .long sys_mmap2
1036 .long sys_truncate64
1037 .long sys_ftruncate64
1038 .long sys_stat64 /* 195 */
1039 .long sys_lstat64
1040 .long sys_fstat64
1041 .long sys_lchown
1042 .long sys_getuid
1043 .long sys_getgid /* 200 */
1044 .long sys_geteuid
1045 .long sys_getegid
1046 .long sys_setreuid
1047 .long sys_setregid
1048 .long sys_getgroups /* 205 */
1049 .long sys_setgroups
1050 .long sys_fchown
1051 .long sys_setresuid
1052 .long sys_getresuid
1053 .long sys_setresgid /* 210 */
1054 .long sys_getresgid
1055 .long sys_chown
1056 .long sys_setuid
1057 .long sys_setgid
1058 .long sys_setfsuid /* 215 */
1059 .long sys_setfsgid
1060 .long sys_pivot_root
1061 .long sys_mincore
1062 .long sys_madvise
1063 .long sys_getdents64 /* 220 */
1064 .long sys_fcntl64
1065 .long sys_ni_syscall /* reserved for TUX */
1066 .long sys_ni_syscall /* Reserved for Security */
1067 .long sys_gettid
1068 .long sys_readahead /* 225 */
1069 .long sys_setxattr
1070 .long sys_lsetxattr
1071 .long sys_fsetxattr
1072 .long sys_getxattr
1073 .long sys_lgetxattr /* 230 */
1074 .long sys_fgetxattr
1075 .long sys_listxattr
1076 .long sys_llistxattr
1077 .long sys_flistxattr
1078 .long sys_removexattr /* 235 */
1079 .long sys_lremovexattr
1080 .long sys_fremovexattr
1081 .long sys_tkill
1082 .long sys_sendfile64
1083 .long sys_futex /* 240 */
1084 .long sys_sched_setaffinity
1085 .long sys_sched_getaffinity
1086 .long sys_ni_syscall
1087 .long sys_ni_syscall
1088 .long sys_io_setup /* 245 */
1089 .long sys_io_destroy
1090 .long sys_io_getevents
1091 .long sys_io_submit
1092 .long sys_io_cancel
1093 .long sys_fadvise64 /* 250 */
1094 .long sys_ni_syscall
1095 .long sys_exit_group
1096 .long sys_lookup_dcookie
1097 .long sys_epoll_create
1098 .long sys_epoll_ctl /* 255 */
1099 .long sys_epoll_wait
1100 .long sys_remap_file_pages
1101 .long sys_set_tid_address
1102 .long sys_timer_create
1103 .long sys_timer_settime /* 260 */
1104 .long sys_timer_gettime
1105 .long sys_timer_getoverrun
1106 .long sys_timer_delete
1107 .long sys_clock_settime
1108 .long sys_clock_gettime /* 265 */
1109 .long sys_clock_getres
1110 .long sys_clock_nanosleep
1111 .long sys_statfs64
1112 .long sys_fstatfs64
1113 .long sys_tgkill /* 270 */
1114 .long sys_utimes
1115 .long sys_fadvise64_64_wrapper
1116 .long sys_ni_syscall /* Reserved for vserver */
1117 .long sys_ni_syscall /* Reserved for mbind */
1118 .long sys_ni_syscall /* 275 - get_mempolicy */
1119 .long sys_ni_syscall /* set_mempolicy */
1120 .long sys_mq_open
1121 .long sys_mq_unlink
1122 .long sys_mq_timedsend
1123 .long sys_mq_timedreceive /* 280 */
1124 .long sys_mq_notify
1125 .long sys_mq_getsetattr
1126 .long sys_ni_syscall /* Reserved for kexec */
1127 .long sys_waitid
1128 .long sys_add_key /* 285 */
1129 .long sys_request_key
1130 .long sys_keyctl
1131 .long sys_ioprio_set
1132 .long sys_ioprio_get
1133 .long sys_inotify_init /* 290 */
1134 .long sys_inotify_add_watch
1135 .long sys_inotify_rm_watch
1136
1137/* End of entry.S */
diff --git a/arch/sh/kernel/syscalls.S b/arch/sh/kernel/syscalls.S
new file mode 100644
index 000000000000..f500304cbd69
--- /dev/null
+++ b/arch/sh/kernel/syscalls.S
@@ -0,0 +1,324 @@
1/*
2 * arch/sh/kernel/syscalls.S
3 *
4 * System call table for SuperH
5 *
6 * Copyright (C) 1999, 2000, 2002 Niibe Yutaka
7 * Copyright (C) 2003 Paul Mundt
8 *
9 * This file is subject to the terms and conditions of the GNU General Public
10 * License. See the file "COPYING" in the main directory of this archive
11 * for more details.
12 *
13 */
14#include <linux/sys.h>
15#include <linux/linkage.h>
16
17#if !defined(CONFIG_NFSD) && !defined(CONFIG_NFSD_MODULE)
18#define sys_nfsservctl sys_ni_syscall
19#endif
20
21#if !defined(CONFIG_MMU)
22#define sys_madvise sys_ni_syscall
23#define sys_readahead sys_ni_syscall
24#define sys_mprotect sys_ni_syscall
25#define sys_msync sys_ni_syscall
26#define sys_mlock sys_ni_syscall
27#define sys_munlock sys_ni_syscall
28#define sys_mlockall sys_ni_syscall
29#define sys_munlockall sys_ni_syscall
30#define sys_mremap sys_ni_syscall
31#define sys_mincore sys_ni_syscall
32#define sys_remap_file_pages sys_ni_syscall
33#endif
34
35 .data
36ENTRY(sys_call_table)
37 .long sys_ni_syscall /* 0 - old "setup()" system call*/
38 .long sys_exit
39 .long sys_fork
40 .long sys_read
41 .long sys_write
42 .long sys_open /* 5 */
43 .long sys_close
44 .long sys_waitpid
45 .long sys_creat
46 .long sys_link
47 .long sys_unlink /* 10 */
48 .long sys_execve
49 .long sys_chdir
50 .long sys_time
51 .long sys_mknod
52 .long sys_chmod /* 15 */
53 .long sys_lchown16
54 .long sys_ni_syscall /* old break syscall holder */
55 .long sys_stat
56 .long sys_lseek
57 .long sys_getpid /* 20 */
58 .long sys_mount
59 .long sys_oldumount
60 .long sys_setuid16
61 .long sys_getuid16
62 .long sys_stime /* 25 */
63 .long sys_ptrace
64 .long sys_alarm
65 .long sys_fstat
66 .long sys_pause
67 .long sys_utime /* 30 */
68 .long sys_ni_syscall /* old stty syscall holder */
69 .long sys_ni_syscall /* old gtty syscall holder */
70 .long sys_access
71 .long sys_nice
72 .long sys_ni_syscall /* 35 */ /* old ftime syscall holder */
73 .long sys_sync
74 .long sys_kill
75 .long sys_rename
76 .long sys_mkdir
77 .long sys_rmdir /* 40 */
78 .long sys_dup
79 .long sys_pipe
80 .long sys_times
81 .long sys_ni_syscall /* old prof syscall holder */
82 .long sys_brk /* 45 */
83 .long sys_setgid16
84 .long sys_getgid16
85 .long sys_signal
86 .long sys_geteuid16
87 .long sys_getegid16 /* 50 */
88 .long sys_acct
89 .long sys_umount /* recycled never used phys() */
90 .long sys_ni_syscall /* old lock syscall holder */
91 .long sys_ioctl
92 .long sys_fcntl /* 55 */
93 .long sys_ni_syscall /* old mpx syscall holder */
94 .long sys_setpgid
95 .long sys_ni_syscall /* old ulimit syscall holder */
96 .long sys_ni_syscall /* sys_olduname */
97 .long sys_umask /* 60 */
98 .long sys_chroot
99 .long sys_ustat
100 .long sys_dup2
101 .long sys_getppid
102 .long sys_getpgrp /* 65 */
103 .long sys_setsid
104 .long sys_sigaction
105 .long sys_sgetmask
106 .long sys_ssetmask
107 .long sys_setreuid16 /* 70 */
108 .long sys_setregid16
109 .long sys_sigsuspend
110 .long sys_sigpending
111 .long sys_sethostname
112 .long sys_setrlimit /* 75 */
113 .long sys_old_getrlimit
114 .long sys_getrusage
115 .long sys_gettimeofday
116 .long sys_settimeofday
117 .long sys_getgroups16 /* 80 */
118 .long sys_setgroups16
119 .long sys_ni_syscall /* sys_oldselect */
120 .long sys_symlink
121 .long sys_lstat
122 .long sys_readlink /* 85 */
123 .long sys_uselib
124 .long sys_swapon
125 .long sys_reboot
126 .long old_readdir
127 .long old_mmap /* 90 */
128 .long sys_munmap
129 .long sys_truncate
130 .long sys_ftruncate
131 .long sys_fchmod
132 .long sys_fchown16 /* 95 */
133 .long sys_getpriority
134 .long sys_setpriority
135 .long sys_ni_syscall /* old profil syscall holder */
136 .long sys_statfs
137 .long sys_fstatfs /* 100 */
138 .long sys_ni_syscall /* ioperm */
139 .long sys_socketcall
140 .long sys_syslog
141 .long sys_setitimer
142 .long sys_getitimer /* 105 */
143 .long sys_newstat
144 .long sys_newlstat
145 .long sys_newfstat
146 .long sys_uname
147 .long sys_ni_syscall /* 110 */ /* iopl */
148 .long sys_vhangup
149 .long sys_ni_syscall /* idle */
150 .long sys_ni_syscall /* vm86old */
151 .long sys_wait4
152 .long sys_swapoff /* 115 */
153 .long sys_sysinfo
154 .long sys_ipc
155 .long sys_fsync
156 .long sys_sigreturn
157 .long sys_clone /* 120 */
158 .long sys_setdomainname
159 .long sys_newuname
160 .long sys_ni_syscall /* sys_modify_ldt */
161 .long sys_adjtimex
162 .long sys_mprotect /* 125 */
163 .long sys_sigprocmask
164 .long sys_ni_syscall /* old "create_module" */
165 .long sys_init_module
166 .long sys_delete_module
167 .long sys_ni_syscall /* 130: old "get_kernel_syms" */
168 .long sys_quotactl
169 .long sys_getpgid
170 .long sys_fchdir
171 .long sys_bdflush
172 .long sys_sysfs /* 135 */
173 .long sys_personality
174 .long sys_ni_syscall /* for afs_syscall */
175 .long sys_setfsuid16
176 .long sys_setfsgid16
177 .long sys_llseek /* 140 */
178 .long sys_getdents
179 .long sys_select
180 .long sys_flock
181 .long sys_msync
182 .long sys_readv /* 145 */
183 .long sys_writev
184 .long sys_getsid
185 .long sys_fdatasync
186 .long sys_sysctl
187 .long sys_mlock /* 150 */
188 .long sys_munlock
189 .long sys_mlockall
190 .long sys_munlockall
191 .long sys_sched_setparam
192 .long sys_sched_getparam /* 155 */
193 .long sys_sched_setscheduler
194 .long sys_sched_getscheduler
195 .long sys_sched_yield
196 .long sys_sched_get_priority_max
197 .long sys_sched_get_priority_min /* 160 */
198 .long sys_sched_rr_get_interval
199 .long sys_nanosleep
200 .long sys_mremap
201 .long sys_setresuid16
202 .long sys_getresuid16 /* 165 */
203 .long sys_ni_syscall /* vm86 */
204 .long sys_ni_syscall /* old "query_module" */
205 .long sys_poll
206 .long sys_nfsservctl
207 .long sys_setresgid16 /* 170 */
208 .long sys_getresgid16
209 .long sys_prctl
210 .long sys_rt_sigreturn
211 .long sys_rt_sigaction
212 .long sys_rt_sigprocmask /* 175 */
213 .long sys_rt_sigpending
214 .long sys_rt_sigtimedwait
215 .long sys_rt_sigqueueinfo
216 .long sys_rt_sigsuspend
217 .long sys_pread_wrapper /* 180 */
218 .long sys_pwrite_wrapper
219 .long sys_chown16
220 .long sys_getcwd
221 .long sys_capget
222 .long sys_capset /* 185 */
223 .long sys_sigaltstack
224 .long sys_sendfile
225 .long sys_ni_syscall /* streams1 */
226 .long sys_ni_syscall /* streams2 */
227 .long sys_vfork /* 190 */
228 .long sys_getrlimit
229 .long sys_mmap2
230 .long sys_truncate64
231 .long sys_ftruncate64
232 .long sys_stat64 /* 195 */
233 .long sys_lstat64
234 .long sys_fstat64
235 .long sys_lchown
236 .long sys_getuid
237 .long sys_getgid /* 200 */
238 .long sys_geteuid
239 .long sys_getegid
240 .long sys_setreuid
241 .long sys_setregid
242 .long sys_getgroups /* 205 */
243 .long sys_setgroups
244 .long sys_fchown
245 .long sys_setresuid
246 .long sys_getresuid
247 .long sys_setresgid /* 210 */
248 .long sys_getresgid
249 .long sys_chown
250 .long sys_setuid
251 .long sys_setgid
252 .long sys_setfsuid /* 215 */
253 .long sys_setfsgid
254 .long sys_pivot_root
255 .long sys_mincore
256 .long sys_madvise
257 .long sys_getdents64 /* 220 */
258 .long sys_fcntl64
259 .long sys_ni_syscall /* reserved for TUX */
260 .long sys_ni_syscall /* Reserved for Security */
261 .long sys_gettid
262 .long sys_readahead /* 225 */
263 .long sys_setxattr
264 .long sys_lsetxattr
265 .long sys_fsetxattr
266 .long sys_getxattr
267 .long sys_lgetxattr /* 230 */
268 .long sys_fgetxattr
269 .long sys_listxattr
270 .long sys_llistxattr
271 .long sys_flistxattr
272 .long sys_removexattr /* 235 */
273 .long sys_lremovexattr
274 .long sys_fremovexattr
275 .long sys_tkill
276 .long sys_sendfile64
277 .long sys_futex /* 240 */
278 .long sys_sched_setaffinity
279 .long sys_sched_getaffinity
280 .long sys_ni_syscall
281 .long sys_ni_syscall
282 .long sys_io_setup /* 245 */
283 .long sys_io_destroy
284 .long sys_io_getevents
285 .long sys_io_submit
286 .long sys_io_cancel
287 .long sys_fadvise64 /* 250 */
288 .long sys_ni_syscall
289 .long sys_exit_group
290 .long sys_lookup_dcookie
291 .long sys_epoll_create
292 .long sys_epoll_ctl /* 255 */
293 .long sys_epoll_wait
294 .long sys_remap_file_pages
295 .long sys_set_tid_address
296 .long sys_timer_create
297 .long sys_timer_settime /* 260 */
298 .long sys_timer_gettime
299 .long sys_timer_getoverrun
300 .long sys_timer_delete
301 .long sys_clock_settime
302 .long sys_clock_gettime /* 265 */
303 .long sys_clock_getres
304 .long sys_clock_nanosleep
305 .long sys_statfs64
306 .long sys_fstatfs64
307 .long sys_tgkill /* 270 */
308 .long sys_utimes
309 .long sys_fadvise64_64_wrapper
310 .long sys_ni_syscall /* Reserved for vserver */
311 .long sys_ni_syscall /* Reserved for mbind */
312 .long sys_ni_syscall /* 275 - get_mempolicy */
313 .long sys_ni_syscall /* set_mempolicy */
314 .long sys_mq_open
315 .long sys_mq_unlink
316 .long sys_mq_timedsend
317 .long sys_mq_timedreceive /* 280 */
318 .long sys_mq_notify
319 .long sys_mq_getsetattr
320 .long sys_kexec_load
321 .long sys_waitid
322 .long sys_add_key /* 285 */
323 .long sys_request_key
324 .long sys_keyctl