| blob | 5a69eb48d0a8cef87c33c3184f4ddc3236f01d2d |
1 /*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 1995, 96, 97, 98, 99, 2000, 01 by Ralf Baechle
7 * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
8 * Copyright (C) 2001 MIPS Technologies, Inc.
9 */
10 #include <linux/errno.h>
11 #include <asm/asm.h>
12 #include <asm/asmmacro.h>
13 #include <asm/irqflags.h>
14 #include <asm/mipsregs.h>
15 #include <asm/regdef.h>
16 #include <asm/stackframe.h>
17 #include <asm/thread_info.h>
18 #include <asm/unistd.h>
20 #ifndef CONFIG_MIPS32_O32
21 /* No O32, so define handle_sys here */
22 #define handle_sysn32 handle_sys
23 #endif
25 .align 5
26 NESTED(handle_sysn32, PT_SIZE, sp)
27 #ifndef CONFIG_MIPS32_O32
28 .set noat
29 SAVE_SOME
30 TRACE_IRQS_ON_RELOAD
31 STI
32 .set at
33 #endif
35 dsubu t0, v0, __NR_N32_Linux # check syscall number
36 sltiu t0, t0, __NR_N32_Linux_syscalls + 1
38 #ifndef CONFIG_MIPS32_O32
39 ld t1, PT_EPC(sp) # skip syscall on return
40 daddiu t1, 4 # skip to next instruction
41 sd t1, PT_EPC(sp)
42 #endif
43 beqz t0, not_n32_scall
45 dsll t0, v0, 3 # offset into table
46 ld t2, (sysn32_call_table - (__NR_N32_Linux * 8))(t0)
48 sd a3, PT_R26(sp) # save a3 for syscall restarting
50 li t1, _TIF_WORK_SYSCALL_ENTRY
51 LONG_L t0, TI_FLAGS($28) # syscall tracing enabled?
52 and t0, t1, t0
53 bnez t0, n32_syscall_trace_entry
55 syscall_common:
56 jalr t2 # Do The Real Thing (TM)
58 li t0, -EMAXERRNO - 1 # error?
59 sltu t0, t0, v0
60 sd t0, PT_R7(sp) # set error flag
61 beqz t0, 1f
63 ld t1, PT_R2(sp) # syscall number
64 dnegu v0 # error
65 sd t1, PT_R0(sp) # save it for syscall restarting
66 1: sd v0, PT_R2(sp) # result
68 j syscall_exit_partial
70 /* ------------------------------------------------------------------------ */
72 n32_syscall_trace_entry:
73 SAVE_STATIC
74 move s0, t2
75 move a0, sp
76 move a1, v0
77 jal syscall_trace_enter
79 bltz v0, 1f # seccomp failed? Skip syscall
81 move t2, s0
82 RESTORE_STATIC
83 ld a0, PT_R4(sp) # Restore argument registers
84 ld a1, PT_R5(sp)
85 ld a2, PT_R6(sp)
86 ld a3, PT_R7(sp)
87 ld a4, PT_R8(sp)
88 ld a5, PT_R9(sp)
89 j syscall_common
91 1: j syscall_exit
93 not_n32_scall:
94 /* This is not an n32 compatibility syscall, pass it on to
95 the n64 syscall handlers. */
96 j handle_sys64
98 END(handle_sysn32)
100 .type sysn32_call_table, @object
101 EXPORT(sysn32_call_table)
102 PTR sys_read /* 6000 */
103 PTR sys_write
104 PTR sys_open
105 PTR sys_close
106 PTR sys_newstat
107 PTR sys_newfstat /* 6005 */
108 PTR sys_newlstat
109 PTR sys_poll
110 PTR sys_lseek
111 PTR sys_mips_mmap
112 PTR sys_mprotect /* 6010 */
113 PTR sys_munmap
114 PTR sys_brk
115 PTR compat_sys_rt_sigaction
116 PTR compat_sys_rt_sigprocmask
117 PTR compat_sys_ioctl /* 6015 */
118 PTR sys_pread64
119 PTR sys_pwrite64
120 PTR compat_sys_readv
121 PTR compat_sys_writev
122 PTR sys_access /* 6020 */
123 PTR sysm_pipe
124 PTR compat_sys_select
125 PTR sys_sched_yield
126 PTR sys_mremap
127 PTR sys_msync /* 6025 */
128 PTR sys_mincore
129 PTR sys_madvise
130 PTR sys_shmget
131 PTR sys_shmat
132 PTR compat_sys_shmctl /* 6030 */
133 PTR sys_dup
134 PTR sys_dup2
135 PTR sys_pause
136 PTR compat_sys_nanosleep
137 PTR compat_sys_getitimer /* 6035 */
138 PTR compat_sys_setitimer
139 PTR sys_alarm
140 PTR sys_getpid
141 PTR compat_sys_sendfile
142 PTR sys_socket /* 6040 */
143 PTR sys_connect
144 PTR sys_accept
145 PTR sys_sendto
146 PTR compat_sys_recvfrom
147 PTR compat_sys_sendmsg /* 6045 */
148 PTR compat_sys_recvmsg
149 PTR sys_shutdown
150 PTR sys_bind
151 PTR sys_listen
152 PTR sys_getsockname /* 6050 */
153 PTR sys_getpeername
154 PTR sys_socketpair
155 PTR compat_sys_setsockopt
156 PTR compat_sys_getsockopt
157 PTR __sys_clone /* 6055 */
158 PTR __sys_fork
159 PTR compat_sys_execve
160 PTR sys_exit
161 PTR compat_sys_wait4
162 PTR sys_kill /* 6060 */
163 PTR sys_newuname
164 PTR sys_semget
165 PTR sys_semop
166 PTR compat_sys_semctl
167 PTR sys_shmdt /* 6065 */
168 PTR sys_msgget
169 PTR compat_sys_msgsnd
170 PTR compat_sys_msgrcv
171 PTR compat_sys_msgctl
172 PTR compat_sys_fcntl /* 6070 */
173 PTR sys_flock
174 PTR sys_fsync
175 PTR sys_fdatasync
176 PTR sys_truncate
177 PTR sys_ftruncate /* 6075 */
178 PTR compat_sys_getdents
179 PTR sys_getcwd
180 PTR sys_chdir
181 PTR sys_fchdir
182 PTR sys_rename /* 6080 */
183 PTR sys_mkdir
184 PTR sys_rmdir
185 PTR sys_creat
186 PTR sys_link
187 PTR sys_unlink /* 6085 */
188 PTR sys_symlink
189 PTR sys_readlink
190 PTR sys_chmod
191 PTR sys_fchmod
192 PTR sys_chown /* 6090 */
193 PTR sys_fchown
194 PTR sys_lchown
195 PTR sys_umask
196 PTR compat_sys_gettimeofday
197 PTR compat_sys_getrlimit /* 6095 */
198 PTR compat_sys_getrusage
199 PTR compat_sys_sysinfo
200 PTR compat_sys_times
201 PTR compat_sys_ptrace
202 PTR sys_getuid /* 6100 */
203 PTR sys_syslog
204 PTR sys_getgid
205 PTR sys_setuid
206 PTR sys_setgid
207 PTR sys_geteuid /* 6105 */
208 PTR sys_getegid
209 PTR sys_setpgid
210 PTR sys_getppid
211 PTR sys_getpgrp
212 PTR sys_setsid /* 6110 */
213 PTR sys_setreuid
214 PTR sys_setregid
215 PTR sys_getgroups
216 PTR sys_setgroups
217 PTR sys_setresuid /* 6115 */
218 PTR sys_getresuid
219 PTR sys_setresgid
220 PTR sys_getresgid
221 PTR sys_getpgid
222 PTR sys_setfsuid /* 6120 */
223 PTR sys_setfsgid
224 PTR sys_getsid
225 PTR sys_capget
226 PTR sys_capset
227 PTR compat_sys_rt_sigpending /* 6125 */
228 PTR compat_sys_rt_sigtimedwait
229 PTR compat_sys_rt_sigqueueinfo
230 PTR compat_sys_rt_sigsuspend
231 PTR compat_sys_sigaltstack
232 PTR compat_sys_utime /* 6130 */
233 PTR sys_mknod
234 PTR sys_32_personality
235 PTR compat_sys_ustat
236 PTR compat_sys_statfs
237 PTR compat_sys_fstatfs /* 6135 */
238 PTR sys_sysfs
239 PTR sys_getpriority
240 PTR sys_setpriority
241 PTR sys_sched_setparam
242 PTR sys_sched_getparam /* 6140 */
243 PTR sys_sched_setscheduler
244 PTR sys_sched_getscheduler
245 PTR sys_sched_get_priority_max
246 PTR sys_sched_get_priority_min
247 PTR compat_sys_sched_rr_get_interval /* 6145 */
248 PTR sys_mlock
249 PTR sys_munlock
250 PTR sys_mlockall
251 PTR sys_munlockall
252 PTR sys_vhangup /* 6150 */
253 PTR sys_pivot_root
254 PTR compat_sys_sysctl
255 PTR sys_prctl
256 PTR compat_sys_adjtimex
257 PTR compat_sys_setrlimit /* 6155 */
258 PTR sys_chroot
259 PTR sys_sync
260 PTR sys_acct
261 PTR compat_sys_settimeofday
262 PTR compat_sys_mount /* 6160 */
263 PTR sys_umount
264 PTR sys_swapon
265 PTR sys_swapoff
266 PTR sys_reboot
267 PTR sys_sethostname /* 6165 */
268 PTR sys_setdomainname
269 PTR sys_ni_syscall /* was create_module */
270 PTR sys_init_module
271 PTR sys_delete_module
272 PTR sys_ni_syscall /* 6170, was get_kernel_syms */
273 PTR sys_ni_syscall /* was query_module */
274 PTR sys_quotactl
275 PTR sys_ni_syscall /* was nfsservctl */
276 PTR sys_ni_syscall /* res. for getpmsg */
277 PTR sys_ni_syscall /* 6175 for putpmsg */
278 PTR sys_ni_syscall /* res. for afs_syscall */
279 PTR sys_ni_syscall /* res. for security */
280 PTR sys_gettid
281 PTR sys_readahead
282 PTR sys_setxattr /* 6180 */
283 PTR sys_lsetxattr
284 PTR sys_fsetxattr
285 PTR sys_getxattr
286 PTR sys_lgetxattr
287 PTR sys_fgetxattr /* 6185 */
288 PTR sys_listxattr
289 PTR sys_llistxattr
290 PTR sys_flistxattr
291 PTR sys_removexattr
292 PTR sys_lremovexattr /* 6190 */
293 PTR sys_fremovexattr
294 PTR sys_tkill
295 PTR sys_ni_syscall
296 PTR compat_sys_futex
297 PTR compat_sys_sched_setaffinity /* 6195 */
298 PTR compat_sys_sched_getaffinity
299 PTR sys_cacheflush
300 PTR sys_cachectl
301 PTR sys_sysmips
302 PTR compat_sys_io_setup /* 6200 */
303 PTR sys_io_destroy
304 PTR compat_sys_io_getevents
305 PTR compat_sys_io_submit
306 PTR sys_io_cancel
307 PTR sys_exit_group /* 6205 */
308 PTR sys_lookup_dcookie
309 PTR sys_epoll_create
310 PTR sys_epoll_ctl
311 PTR sys_epoll_wait
312 PTR sys_remap_file_pages /* 6210 */
313 PTR sysn32_rt_sigreturn
314 PTR compat_sys_fcntl64
315 PTR sys_set_tid_address
316 PTR sys_restart_syscall
317 PTR compat_sys_semtimedop /* 6215 */
318 PTR sys_fadvise64_64
319 PTR compat_sys_statfs64
320 PTR compat_sys_fstatfs64
321 PTR sys_sendfile64
322 PTR compat_sys_timer_create /* 6220 */
323 PTR compat_sys_timer_settime
324 PTR compat_sys_timer_gettime
325 PTR sys_timer_getoverrun
326 PTR sys_timer_delete
327 PTR compat_sys_clock_settime /* 6225 */
328 PTR compat_sys_clock_gettime
329 PTR compat_sys_clock_getres
330 PTR compat_sys_clock_nanosleep
331 PTR sys_tgkill
332 PTR compat_sys_utimes /* 6230 */
333 PTR compat_sys_mbind
334 PTR compat_sys_get_mempolicy
335 PTR compat_sys_set_mempolicy
336 PTR compat_sys_mq_open
337 PTR sys_mq_unlink /* 6235 */
338 PTR compat_sys_mq_timedsend
339 PTR compat_sys_mq_timedreceive
340 PTR compat_sys_mq_notify
341 PTR compat_sys_mq_getsetattr
342 PTR sys_ni_syscall /* 6240, sys_vserver */
343 PTR compat_sys_waitid
344 PTR sys_ni_syscall /* available, was setaltroot */
345 PTR sys_add_key
346 PTR sys_request_key
347 PTR sys_keyctl /* 6245 */
348 PTR sys_set_thread_area
349 PTR sys_inotify_init
350 PTR sys_inotify_add_watch
351 PTR sys_inotify_rm_watch
352 PTR compat_sys_migrate_pages /* 6250 */
353 PTR sys_openat
354 PTR sys_mkdirat
355 PTR sys_mknodat
356 PTR sys_fchownat
357 PTR compat_sys_futimesat /* 6255 */
358 PTR sys_newfstatat
359 PTR sys_unlinkat
360 PTR sys_renameat
361 PTR sys_linkat
362 PTR sys_symlinkat /* 6260 */
363 PTR sys_readlinkat
364 PTR sys_fchmodat
365 PTR sys_faccessat
366 PTR compat_sys_pselect6
367 PTR compat_sys_ppoll /* 6265 */
368 PTR sys_unshare
369 PTR sys_splice
370 PTR sys_sync_file_range
371 PTR sys_tee
372 PTR compat_sys_vmsplice /* 6270 */
373 PTR compat_sys_move_pages
374 PTR compat_sys_set_robust_list
375 PTR compat_sys_get_robust_list
376 PTR compat_sys_kexec_load
377 PTR sys_getcpu /* 6275 */
378 PTR compat_sys_epoll_pwait
379 PTR sys_ioprio_set
380 PTR sys_ioprio_get
381 PTR compat_sys_utimensat
382 PTR compat_sys_signalfd /* 6280 */
383 PTR sys_ni_syscall /* was timerfd */
384 PTR sys_eventfd
385 PTR sys_fallocate
386 PTR sys_timerfd_create
387 PTR compat_sys_timerfd_gettime /* 6285 */
388 PTR compat_sys_timerfd_settime
389 PTR compat_sys_signalfd4
390 PTR sys_eventfd2
391 PTR sys_epoll_create1
392 PTR sys_dup3 /* 6290 */
393 PTR sys_pipe2
394 PTR sys_inotify_init1
395 PTR compat_sys_preadv
396 PTR compat_sys_pwritev
397 PTR compat_sys_rt_tgsigqueueinfo /* 6295 */
398 PTR sys_perf_event_open
399 PTR sys_accept4
400 PTR compat_sys_recvmmsg
401 PTR sys_getdents64
402 PTR sys_fanotify_init /* 6300 */
403 PTR sys_fanotify_mark
404 PTR sys_prlimit64
405 PTR sys_name_to_handle_at
406 PTR sys_open_by_handle_at
407 PTR compat_sys_clock_adjtime /* 6305 */
408 PTR sys_syncfs
409 PTR compat_sys_sendmmsg
410 PTR sys_setns
411 PTR compat_sys_process_vm_readv
412 PTR compat_sys_process_vm_writev /* 6310 */
413 PTR sys_kcmp
414 PTR sys_finit_module
415 PTR sys_sched_setattr
416 PTR sys_sched_getattr
417 PTR sys_renameat2 /* 6315 */
418 PTR sys_seccomp
419 PTR sys_getrandom
420 PTR sys_memfd_create
421 PTR sys_bpf
422 PTR compat_sys_execveat /* 6320 */
423 PTR sys_userfaultfd
424 PTR sys_membarrier
425 PTR sys_mlock2
426 .size sysn32_call_table,.-sysn32_call_table