| blob | cbf190ef9e8a5e2a0e499cfaf721908abf4213ec |
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 sd a3, PT_R26(sp) # save a3 for syscall restarting
47 li t1, _TIF_WORK_SYSCALL_ENTRY
48 LONG_L t0, TI_FLAGS($28) # syscall tracing enabled?
49 and t0, t1, t0
50 bnez t0, n32_syscall_trace_entry
52 syscall_common:
53 dsll t0, v0, 3 # offset into table
54 ld t2, (sysn32_call_table - (__NR_N32_Linux * 8))(t0)
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 a0, sp
75 move a1, v0
76 jal syscall_trace_enter
78 bltz v0, 1f # seccomp failed? Skip syscall
80 RESTORE_STATIC
81 ld v0, PT_R2(sp) # Restore syscall (maybe modified)
82 ld a0, PT_R4(sp) # Restore argument registers
83 ld a1, PT_R5(sp)
84 ld a2, PT_R6(sp)
85 ld a3, PT_R7(sp)
86 ld a4, PT_R8(sp)
87 ld a5, PT_R9(sp)
89 dsubu t2, v0, __NR_N32_Linux # check (new) syscall number
90 sltiu t0, t2, __NR_N32_Linux_syscalls + 1
91 beqz t0, not_n32_scall
93 j syscall_common
95 1: j syscall_exit
97 not_n32_scall:
98 /* This is not an n32 compatibility syscall, pass it on to
99 the n64 syscall handlers. */
100 j handle_sys64
102 END(handle_sysn32)
104 .type sysn32_call_table, @object
105 EXPORT(sysn32_call_table)
106 PTR sys_read /* 6000 */
107 PTR sys_write
108 PTR sys_open
109 PTR sys_close
110 PTR sys_newstat
111 PTR sys_newfstat /* 6005 */
112 PTR sys_newlstat
113 PTR sys_poll
114 PTR sys_lseek
115 PTR sys_mips_mmap
116 PTR sys_mprotect /* 6010 */
117 PTR sys_munmap
118 PTR sys_brk
119 PTR compat_sys_rt_sigaction
120 PTR compat_sys_rt_sigprocmask
121 PTR compat_sys_ioctl /* 6015 */
122 PTR sys_pread64
123 PTR sys_pwrite64
124 PTR compat_sys_readv
125 PTR compat_sys_writev
126 PTR sys_access /* 6020 */
127 PTR sysm_pipe
128 PTR compat_sys_select
129 PTR sys_sched_yield
130 PTR sys_mremap
131 PTR sys_msync /* 6025 */
132 PTR sys_mincore
133 PTR sys_madvise
134 PTR sys_shmget
135 PTR sys_shmat
136 PTR compat_sys_shmctl /* 6030 */
137 PTR sys_dup
138 PTR sys_dup2
139 PTR sys_pause
140 PTR compat_sys_nanosleep
141 PTR compat_sys_getitimer /* 6035 */
142 PTR compat_sys_setitimer
143 PTR sys_alarm
144 PTR sys_getpid
145 PTR compat_sys_sendfile
146 PTR sys_socket /* 6040 */
147 PTR sys_connect
148 PTR sys_accept
149 PTR sys_sendto
150 PTR compat_sys_recvfrom
151 PTR compat_sys_sendmsg /* 6045 */
152 PTR compat_sys_recvmsg
153 PTR sys_shutdown
154 PTR sys_bind
155 PTR sys_listen
156 PTR sys_getsockname /* 6050 */
157 PTR sys_getpeername
158 PTR sys_socketpair
159 PTR compat_sys_setsockopt
160 PTR compat_sys_getsockopt
161 PTR __sys_clone /* 6055 */
162 PTR __sys_fork
163 PTR compat_sys_execve
164 PTR sys_exit
165 PTR compat_sys_wait4
166 PTR sys_kill /* 6060 */
167 PTR sys_newuname
168 PTR sys_semget
169 PTR sys_semop
170 PTR compat_sys_semctl
171 PTR sys_shmdt /* 6065 */
172 PTR sys_msgget
173 PTR compat_sys_msgsnd
174 PTR compat_sys_msgrcv
175 PTR compat_sys_msgctl
176 PTR compat_sys_fcntl /* 6070 */
177 PTR sys_flock
178 PTR sys_fsync
179 PTR sys_fdatasync
180 PTR sys_truncate
181 PTR sys_ftruncate /* 6075 */
182 PTR compat_sys_getdents
183 PTR sys_getcwd
184 PTR sys_chdir
185 PTR sys_fchdir
186 PTR sys_rename /* 6080 */
187 PTR sys_mkdir
188 PTR sys_rmdir
189 PTR sys_creat
190 PTR sys_link
191 PTR sys_unlink /* 6085 */
192 PTR sys_symlink
193 PTR sys_readlink
194 PTR sys_chmod
195 PTR sys_fchmod
196 PTR sys_chown /* 6090 */
197 PTR sys_fchown
198 PTR sys_lchown
199 PTR sys_umask
200 PTR compat_sys_gettimeofday
201 PTR compat_sys_getrlimit /* 6095 */
202 PTR compat_sys_getrusage
203 PTR compat_sys_sysinfo
204 PTR compat_sys_times
205 PTR compat_sys_ptrace
206 PTR sys_getuid /* 6100 */
207 PTR sys_syslog
208 PTR sys_getgid
209 PTR sys_setuid
210 PTR sys_setgid
211 PTR sys_geteuid /* 6105 */
212 PTR sys_getegid
213 PTR sys_setpgid
214 PTR sys_getppid
215 PTR sys_getpgrp
216 PTR sys_setsid /* 6110 */
217 PTR sys_setreuid
218 PTR sys_setregid
219 PTR sys_getgroups
220 PTR sys_setgroups
221 PTR sys_setresuid /* 6115 */
222 PTR sys_getresuid
223 PTR sys_setresgid
224 PTR sys_getresgid
225 PTR sys_getpgid
226 PTR sys_setfsuid /* 6120 */
227 PTR sys_setfsgid
228 PTR sys_getsid
229 PTR sys_capget
230 PTR sys_capset
231 PTR compat_sys_rt_sigpending /* 6125 */
232 PTR compat_sys_rt_sigtimedwait
233 PTR compat_sys_rt_sigqueueinfo
234 PTR compat_sys_rt_sigsuspend
235 PTR compat_sys_sigaltstack
236 PTR compat_sys_utime /* 6130 */
237 PTR sys_mknod
238 PTR sys_32_personality
239 PTR compat_sys_ustat
240 PTR compat_sys_statfs
241 PTR compat_sys_fstatfs /* 6135 */
242 PTR sys_sysfs
243 PTR sys_getpriority
244 PTR sys_setpriority
245 PTR sys_sched_setparam
246 PTR sys_sched_getparam /* 6140 */
247 PTR sys_sched_setscheduler
248 PTR sys_sched_getscheduler
249 PTR sys_sched_get_priority_max
250 PTR sys_sched_get_priority_min
251 PTR compat_sys_sched_rr_get_interval /* 6145 */
252 PTR sys_mlock
253 PTR sys_munlock
254 PTR sys_mlockall
255 PTR sys_munlockall
256 PTR sys_vhangup /* 6150 */
257 PTR sys_pivot_root
258 PTR compat_sys_sysctl
259 PTR sys_prctl
260 PTR compat_sys_adjtimex
261 PTR compat_sys_setrlimit /* 6155 */
262 PTR sys_chroot
263 PTR sys_sync
264 PTR sys_acct
265 PTR compat_sys_settimeofday
266 PTR compat_sys_mount /* 6160 */
267 PTR sys_umount
268 PTR sys_swapon
269 PTR sys_swapoff
270 PTR sys_reboot
271 PTR sys_sethostname /* 6165 */
272 PTR sys_setdomainname
273 PTR sys_ni_syscall /* was create_module */
274 PTR sys_init_module
275 PTR sys_delete_module
276 PTR sys_ni_syscall /* 6170, was get_kernel_syms */
277 PTR sys_ni_syscall /* was query_module */
278 PTR sys_quotactl
279 PTR sys_ni_syscall /* was nfsservctl */
280 PTR sys_ni_syscall /* res. for getpmsg */
281 PTR sys_ni_syscall /* 6175 for putpmsg */
282 PTR sys_ni_syscall /* res. for afs_syscall */
283 PTR sys_ni_syscall /* res. for security */
284 PTR sys_gettid
285 PTR sys_readahead
286 PTR sys_setxattr /* 6180 */
287 PTR sys_lsetxattr
288 PTR sys_fsetxattr
289 PTR sys_getxattr
290 PTR sys_lgetxattr
291 PTR sys_fgetxattr /* 6185 */
292 PTR sys_listxattr
293 PTR sys_llistxattr
294 PTR sys_flistxattr
295 PTR sys_removexattr
296 PTR sys_lremovexattr /* 6190 */
297 PTR sys_fremovexattr
298 PTR sys_tkill
299 PTR sys_ni_syscall
300 PTR compat_sys_futex
301 PTR compat_sys_sched_setaffinity /* 6195 */
302 PTR compat_sys_sched_getaffinity
303 PTR sys_cacheflush
304 PTR sys_cachectl
305 PTR __sys_sysmips
306 PTR compat_sys_io_setup /* 6200 */
307 PTR sys_io_destroy
308 PTR compat_sys_io_getevents
309 PTR compat_sys_io_submit
310 PTR sys_io_cancel
311 PTR sys_exit_group /* 6205 */
312 PTR sys_lookup_dcookie
313 PTR sys_epoll_create
314 PTR sys_epoll_ctl
315 PTR sys_epoll_wait
316 PTR sys_remap_file_pages /* 6210 */
317 PTR sysn32_rt_sigreturn
318 PTR compat_sys_fcntl64
319 PTR sys_set_tid_address
320 PTR sys_restart_syscall
321 PTR compat_sys_semtimedop /* 6215 */
322 PTR sys_fadvise64_64
323 PTR compat_sys_statfs64
324 PTR compat_sys_fstatfs64
325 PTR sys_sendfile64
326 PTR compat_sys_timer_create /* 6220 */
327 PTR compat_sys_timer_settime
328 PTR compat_sys_timer_gettime
329 PTR sys_timer_getoverrun
330 PTR sys_timer_delete
331 PTR compat_sys_clock_settime /* 6225 */
332 PTR compat_sys_clock_gettime
333 PTR compat_sys_clock_getres
334 PTR compat_sys_clock_nanosleep
335 PTR sys_tgkill
336 PTR compat_sys_utimes /* 6230 */
337 PTR compat_sys_mbind
338 PTR compat_sys_get_mempolicy
339 PTR compat_sys_set_mempolicy
340 PTR compat_sys_mq_open
341 PTR sys_mq_unlink /* 6235 */
342 PTR compat_sys_mq_timedsend
343 PTR compat_sys_mq_timedreceive
344 PTR compat_sys_mq_notify
345 PTR compat_sys_mq_getsetattr
346 PTR sys_ni_syscall /* 6240, sys_vserver */
347 PTR compat_sys_waitid
348 PTR sys_ni_syscall /* available, was setaltroot */
349 PTR sys_add_key
350 PTR sys_request_key
351 PTR compat_sys_keyctl /* 6245 */
352 PTR sys_set_thread_area
353 PTR sys_inotify_init
354 PTR sys_inotify_add_watch
355 PTR sys_inotify_rm_watch
356 PTR compat_sys_migrate_pages /* 6250 */
357 PTR sys_openat
358 PTR sys_mkdirat
359 PTR sys_mknodat
360 PTR sys_fchownat
361 PTR compat_sys_futimesat /* 6255 */
362 PTR sys_newfstatat
363 PTR sys_unlinkat
364 PTR sys_renameat
365 PTR sys_linkat
366 PTR sys_symlinkat /* 6260 */
367 PTR sys_readlinkat
368 PTR sys_fchmodat
369 PTR sys_faccessat
370 PTR compat_sys_pselect6
371 PTR compat_sys_ppoll /* 6265 */
372 PTR sys_unshare
373 PTR sys_splice
374 PTR sys_sync_file_range
375 PTR sys_tee
376 PTR compat_sys_vmsplice /* 6270 */
377 PTR compat_sys_move_pages
378 PTR compat_sys_set_robust_list
379 PTR compat_sys_get_robust_list
380 PTR compat_sys_kexec_load
381 PTR sys_getcpu /* 6275 */
382 PTR compat_sys_epoll_pwait
383 PTR sys_ioprio_set
384 PTR sys_ioprio_get
385 PTR compat_sys_utimensat
386 PTR compat_sys_signalfd /* 6280 */
387 PTR sys_ni_syscall /* was timerfd */
388 PTR sys_eventfd
389 PTR sys_fallocate
390 PTR sys_timerfd_create
391 PTR compat_sys_timerfd_gettime /* 6285 */
392 PTR compat_sys_timerfd_settime
393 PTR compat_sys_signalfd4
394 PTR sys_eventfd2
395 PTR sys_epoll_create1
396 PTR sys_dup3 /* 6290 */
397 PTR sys_pipe2
398 PTR sys_inotify_init1
399 PTR compat_sys_preadv
400 PTR compat_sys_pwritev
401 PTR compat_sys_rt_tgsigqueueinfo /* 6295 */
402 PTR sys_perf_event_open
403 PTR sys_accept4
404 PTR compat_sys_recvmmsg
405 PTR sys_getdents64
406 PTR sys_fanotify_init /* 6300 */
407 PTR sys_fanotify_mark
408 PTR sys_prlimit64
409 PTR sys_name_to_handle_at
410 PTR sys_open_by_handle_at
411 PTR compat_sys_clock_adjtime /* 6305 */
412 PTR sys_syncfs
413 PTR compat_sys_sendmmsg
414 PTR sys_setns
415 PTR compat_sys_process_vm_readv
416 PTR compat_sys_process_vm_writev /* 6310 */
417 PTR sys_kcmp
418 PTR sys_finit_module
419 PTR sys_sched_setattr
420 PTR sys_sched_getattr
421 PTR sys_renameat2 /* 6315 */
422 PTR sys_seccomp
423 PTR sys_getrandom
424 PTR sys_memfd_create
425 PTR sys_bpf
426 PTR compat_sys_execveat /* 6320 */
427 PTR sys_userfaultfd
428 PTR sys_membarrier
429 PTR sys_mlock2
430 PTR sys_copy_file_range
431 PTR compat_sys_preadv2 /* 6325 */
432 PTR compat_sys_pwritev2
433 PTR sys_pkey_mprotect
434 PTR sys_pkey_alloc
435 PTR sys_pkey_free
436 PTR sys_statx /* 6330 */
437 .size sysn32_call_table,.-sysn32_call_table