]>
Commit | Line | Data |
---|---|---|
1da177e4 LT |
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 | */ | |
1da177e4 LT |
10 | #include <linux/errno.h> |
11 | #include <asm/asm.h> | |
12 | #include <asm/asmmacro.h> | |
192ef366 | 13 | #include <asm/irqflags.h> |
1da177e4 LT |
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> | |
19 | ||
20 | /* This duplicates the definition from <linux/sched.h> */ | |
21 | #define PT_TRACESYS 0x00000002 /* tracing system calls */ | |
22 | ||
23 | /* This duplicates the definition from <asm/signal.h> */ | |
24 | #define SIGILL 4 /* Illegal instruction (ANSI). */ | |
25 | ||
26 | #ifndef CONFIG_MIPS32_O32 | |
27 | /* No O32, so define handle_sys here */ | |
28 | #define handle_sysn32 handle_sys | |
29 | #endif | |
30 | ||
31 | .align 5 | |
32 | NESTED(handle_sysn32, PT_SIZE, sp) | |
33 | #ifndef CONFIG_MIPS32_O32 | |
34 | .set noat | |
35 | SAVE_SOME | |
eae6c0da | 36 | TRACE_IRQS_ON_RELOAD |
1da177e4 LT |
37 | STI |
38 | .set at | |
39 | #endif | |
40 | ||
41 | dsubu t0, v0, __NR_N32_Linux # check syscall number | |
42 | sltiu t0, t0, __NR_N32_Linux_syscalls + 1 | |
43 | ||
44 | #ifndef CONFIG_MIPS32_O32 | |
45 | ld t1, PT_EPC(sp) # skip syscall on return | |
46 | daddiu t1, 4 # skip to next instruction | |
47 | sd t1, PT_EPC(sp) | |
48 | #endif | |
49 | beqz t0, not_n32_scall | |
50 | ||
51 | dsll t0, v0, 3 # offset into table | |
52 | ld t2, (sysn32_call_table - (__NR_N32_Linux * 8))(t0) | |
53 | ||
54 | sd a3, PT_R26(sp) # save a3 for syscall restarting | |
55 | ||
56 | li t1, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | |
57 | LONG_L t0, TI_FLAGS($28) # syscall tracing enabled? | |
58 | and t0, t1, t0 | |
59 | bnez t0, n32_syscall_trace_entry | |
60 | ||
61 | jalr t2 # Do The Real Thing (TM) | |
62 | ||
63 | li t0, -EMAXERRNO - 1 # error? | |
64 | sltu t0, t0, v0 | |
65 | sd t0, PT_R7(sp) # set error flag | |
66 | beqz t0, 1f | |
67 | ||
8f5a00eb | 68 | ld t1, PT_R2(sp) # syscall number |
1da177e4 | 69 | dnegu v0 # error |
8f5a00eb | 70 | sd t1, PT_R0(sp) # save it for syscall restarting |
1da177e4 LT |
71 | 1: sd v0, PT_R2(sp) # result |
72 | ||
02f884ed | 73 | j syscall_exit_partial |
1da177e4 LT |
74 | |
75 | /* ------------------------------------------------------------------------ */ | |
76 | ||
77 | n32_syscall_trace_entry: | |
78 | SAVE_STATIC | |
79 | move s0, t2 | |
80 | move a0, sp | |
8b659a39 | 81 | jal syscall_trace_enter |
1da177e4 | 82 | |
04a7052c RB |
83 | move t0, s0 |
84 | RESTORE_STATIC | |
1da177e4 LT |
85 | ld a0, PT_R4(sp) # Restore argument registers |
86 | ld a1, PT_R5(sp) | |
87 | ld a2, PT_R6(sp) | |
88 | ld a3, PT_R7(sp) | |
89 | ld a4, PT_R8(sp) | |
90 | ld a5, PT_R9(sp) | |
04a7052c | 91 | jalr t0 |
1da177e4 LT |
92 | |
93 | li t0, -EMAXERRNO - 1 # error? | |
94 | sltu t0, t0, v0 | |
95 | sd t0, PT_R7(sp) # set error flag | |
96 | beqz t0, 1f | |
97 | ||
8f5a00eb | 98 | ld t1, PT_R2(sp) # syscall number |
1da177e4 | 99 | dnegu v0 # error |
8f5a00eb | 100 | sd t1, PT_R0(sp) # save it for syscall restarting |
1da177e4 LT |
101 | 1: sd v0, PT_R2(sp) # result |
102 | ||
103 | j syscall_exit | |
104 | ||
105 | not_n32_scall: | |
106 | /* This is not an n32 compatibility syscall, pass it on to | |
107 | the n64 syscall handlers. */ | |
108 | j handle_sys64 | |
109 | ||
110 | END(handle_sysn32) | |
111 | ||
112 | EXPORT(sysn32_call_table) | |
113 | PTR sys_read /* 6000 */ | |
114 | PTR sys_write | |
115 | PTR sys_open | |
116 | PTR sys_close | |
117 | PTR sys_newstat | |
118 | PTR sys_newfstat /* 6005 */ | |
119 | PTR sys_newlstat | |
120 | PTR sys_poll | |
121 | PTR sys_lseek | |
dbda6ac0 | 122 | PTR sys_mips_mmap |
1da177e4 LT |
123 | PTR sys_mprotect /* 6010 */ |
124 | PTR sys_munmap | |
125 | PTR sys_brk | |
dbda6ac0 RB |
126 | PTR sys_32_rt_sigaction |
127 | PTR sys_32_rt_sigprocmask | |
1da177e4 LT |
128 | PTR compat_sys_ioctl /* 6015 */ |
129 | PTR sys_pread64 | |
130 | PTR sys_pwrite64 | |
131 | PTR compat_sys_readv | |
132 | PTR compat_sys_writev | |
133 | PTR sys_access /* 6020 */ | |
8213bbf9 | 134 | PTR sysm_pipe |
1da177e4 LT |
135 | PTR compat_sys_select |
136 | PTR sys_sched_yield | |
137 | PTR sys_mremap | |
138 | PTR sys_msync /* 6025 */ | |
139 | PTR sys_mincore | |
140 | PTR sys_madvise | |
141 | PTR sys_shmget | |
05e43966 AN |
142 | PTR sys_shmat |
143 | PTR compat_sys_shmctl /* 6030 */ | |
1da177e4 LT |
144 | PTR sys_dup |
145 | PTR sys_dup2 | |
146 | PTR sys_pause | |
147 | PTR compat_sys_nanosleep | |
148 | PTR compat_sys_getitimer /* 6035 */ | |
149 | PTR compat_sys_setitimer | |
150 | PTR sys_alarm | |
151 | PTR sys_getpid | |
dbda6ac0 | 152 | PTR sys_32_sendfile |
1da177e4 LT |
153 | PTR sys_socket /* 6040 */ |
154 | PTR sys_connect | |
155 | PTR sys_accept | |
156 | PTR sys_sendto | |
1dacc76d | 157 | PTR compat_sys_recvfrom |
1da177e4 LT |
158 | PTR compat_sys_sendmsg /* 6045 */ |
159 | PTR compat_sys_recvmsg | |
160 | PTR sys_shutdown | |
161 | PTR sys_bind | |
162 | PTR sys_listen | |
163 | PTR sys_getsockname /* 6050 */ | |
164 | PTR sys_getpeername | |
165 | PTR sys_socketpair | |
166 | PTR compat_sys_setsockopt | |
167 | PTR sys_getsockopt | |
168 | PTR sys_clone /* 6055 */ | |
169 | PTR sys_fork | |
170 | PTR sys32_execve | |
171 | PTR sys_exit | |
b6e203d8 | 172 | PTR compat_sys_wait4 |
1da177e4 | 173 | PTR sys_kill /* 6060 */ |
e28cbf22 | 174 | PTR sys_newuname |
1da177e4 LT |
175 | PTR sys_semget |
176 | PTR sys_semop | |
dbda6ac0 | 177 | PTR sys_n32_semctl |
1da177e4 LT |
178 | PTR sys_shmdt /* 6065 */ |
179 | PTR sys_msgget | |
dbda6ac0 RB |
180 | PTR sys_n32_msgsnd |
181 | PTR sys_n32_msgrcv | |
05e43966 | 182 | PTR compat_sys_msgctl |
1da177e4 LT |
183 | PTR compat_sys_fcntl /* 6070 */ |
184 | PTR sys_flock | |
185 | PTR sys_fsync | |
186 | PTR sys_fdatasync | |
187 | PTR sys_truncate | |
188 | PTR sys_ftruncate /* 6075 */ | |
2fd628fe | 189 | PTR compat_sys_getdents |
1da177e4 LT |
190 | PTR sys_getcwd |
191 | PTR sys_chdir | |
192 | PTR sys_fchdir | |
193 | PTR sys_rename /* 6080 */ | |
194 | PTR sys_mkdir | |
195 | PTR sys_rmdir | |
196 | PTR sys_creat | |
197 | PTR sys_link | |
198 | PTR sys_unlink /* 6085 */ | |
199 | PTR sys_symlink | |
200 | PTR sys_readlink | |
201 | PTR sys_chmod | |
202 | PTR sys_fchmod | |
203 | PTR sys_chown /* 6090 */ | |
204 | PTR sys_fchown | |
205 | PTR sys_lchown | |
206 | PTR sys_umask | |
b418da16 | 207 | PTR compat_sys_gettimeofday |
1da177e4 LT |
208 | PTR compat_sys_getrlimit /* 6095 */ |
209 | PTR compat_sys_getrusage | |
d4d23add | 210 | PTR compat_sys_sysinfo |
1da177e4 | 211 | PTR compat_sys_times |
5d9a76cd | 212 | PTR compat_sys_ptrace |
1da177e4 LT |
213 | PTR sys_getuid /* 6100 */ |
214 | PTR sys_syslog | |
215 | PTR sys_getgid | |
216 | PTR sys_setuid | |
217 | PTR sys_setgid | |
218 | PTR sys_geteuid /* 6105 */ | |
219 | PTR sys_getegid | |
220 | PTR sys_setpgid | |
221 | PTR sys_getppid | |
222 | PTR sys_getpgrp | |
223 | PTR sys_setsid /* 6110 */ | |
224 | PTR sys_setreuid | |
225 | PTR sys_setregid | |
226 | PTR sys_getgroups | |
227 | PTR sys_setgroups | |
228 | PTR sys_setresuid /* 6115 */ | |
229 | PTR sys_getresuid | |
230 | PTR sys_setresgid | |
231 | PTR sys_getresgid | |
232 | PTR sys_getpgid | |
233 | PTR sys_setfsuid /* 6120 */ | |
234 | PTR sys_setfsgid | |
235 | PTR sys_getsid | |
236 | PTR sys_capget | |
237 | PTR sys_capset | |
dbda6ac0 | 238 | PTR sys_32_rt_sigpending /* 6125 */ |
82ad93f4 | 239 | PTR compat_sys_rt_sigtimedwait |
dbda6ac0 | 240 | PTR sys_32_rt_sigqueueinfo |
82ad93f4 | 241 | PTR sysn32_rt_sigsuspend |
1da177e4 LT |
242 | PTR sys32_sigaltstack |
243 | PTR compat_sys_utime /* 6130 */ | |
244 | PTR sys_mknod | |
dbda6ac0 | 245 | PTR sys_32_personality |
2b1c6bd7 | 246 | PTR compat_sys_ustat |
1da177e4 LT |
247 | PTR compat_sys_statfs |
248 | PTR compat_sys_fstatfs /* 6135 */ | |
249 | PTR sys_sysfs | |
250 | PTR sys_getpriority | |
251 | PTR sys_setpriority | |
252 | PTR sys_sched_setparam | |
253 | PTR sys_sched_getparam /* 6140 */ | |
254 | PTR sys_sched_setscheduler | |
255 | PTR sys_sched_getscheduler | |
256 | PTR sys_sched_get_priority_max | |
257 | PTR sys_sched_get_priority_min | |
dbda6ac0 | 258 | PTR sys_32_sched_rr_get_interval /* 6145 */ |
1da177e4 LT |
259 | PTR sys_mlock |
260 | PTR sys_munlock | |
261 | PTR sys_mlockall | |
262 | PTR sys_munlockall | |
263 | PTR sys_vhangup /* 6150 */ | |
264 | PTR sys_pivot_root | |
aff639cd | 265 | PTR compat_sys_sysctl |
1da177e4 | 266 | PTR sys_prctl |
3158e941 | 267 | PTR compat_sys_adjtimex |
1da177e4 LT |
268 | PTR compat_sys_setrlimit /* 6155 */ |
269 | PTR sys_chroot | |
270 | PTR sys_sync | |
271 | PTR sys_acct | |
b418da16 | 272 | PTR compat_sys_settimeofday |
089c7e7f | 273 | PTR compat_sys_mount /* 6160 */ |
1da177e4 LT |
274 | PTR sys_umount |
275 | PTR sys_swapon | |
276 | PTR sys_swapoff | |
277 | PTR sys_reboot | |
278 | PTR sys_sethostname /* 6165 */ | |
279 | PTR sys_setdomainname | |
280 | PTR sys_ni_syscall /* was create_module */ | |
281 | PTR sys_init_module | |
282 | PTR sys_delete_module | |
283 | PTR sys_ni_syscall /* 6170, was get_kernel_syms */ | |
284 | PTR sys_ni_syscall /* was query_module */ | |
285 | PTR sys_quotactl | |
f5b94099 | 286 | PTR sys_ni_syscall /* was nfsservctl */ |
1da177e4 LT |
287 | PTR sys_ni_syscall /* res. for getpmsg */ |
288 | PTR sys_ni_syscall /* 6175 for putpmsg */ | |
289 | PTR sys_ni_syscall /* res. for afs_syscall */ | |
290 | PTR sys_ni_syscall /* res. for security */ | |
291 | PTR sys_gettid | |
8676d2e0 | 292 | PTR sys_readahead |
1da177e4 LT |
293 | PTR sys_setxattr /* 6180 */ |
294 | PTR sys_lsetxattr | |
295 | PTR sys_fsetxattr | |
296 | PTR sys_getxattr | |
297 | PTR sys_lgetxattr | |
298 | PTR sys_fgetxattr /* 6185 */ | |
299 | PTR sys_listxattr | |
300 | PTR sys_llistxattr | |
301 | PTR sys_flistxattr | |
302 | PTR sys_removexattr | |
303 | PTR sys_lremovexattr /* 6190 */ | |
304 | PTR sys_fremovexattr | |
305 | PTR sys_tkill | |
306 | PTR sys_ni_syscall | |
1eec6cd0 | 307 | PTR sys_32_futex |
1da177e4 LT |
308 | PTR compat_sys_sched_setaffinity /* 6195 */ |
309 | PTR compat_sys_sched_getaffinity | |
310 | PTR sys_cacheflush | |
311 | PTR sys_cachectl | |
312 | PTR sys_sysmips | |
e2cc502c | 313 | PTR compat_sys_io_setup /* 6200 */ |
1da177e4 | 314 | PTR sys_io_destroy |
e2cc502c MT |
315 | PTR compat_sys_io_getevents |
316 | PTR compat_sys_io_submit | |
1da177e4 LT |
317 | PTR sys_io_cancel |
318 | PTR sys_exit_group /* 6205 */ | |
319 | PTR sys_lookup_dcookie | |
320 | PTR sys_epoll_create | |
321 | PTR sys_epoll_ctl | |
322 | PTR sys_epoll_wait | |
323 | PTR sys_remap_file_pages /* 6210 */ | |
324 | PTR sysn32_rt_sigreturn | |
589391a0 | 325 | PTR compat_sys_fcntl64 |
1da177e4 LT |
326 | PTR sys_set_tid_address |
327 | PTR sys_restart_syscall | |
05e43966 | 328 | PTR compat_sys_semtimedop /* 6215 */ |
1da177e4 LT |
329 | PTR sys_fadvise64_64 |
330 | PTR compat_sys_statfs64 | |
331 | PTR compat_sys_fstatfs64 | |
332 | PTR sys_sendfile64 | |
821d313c | 333 | PTR compat_sys_timer_create /* 6220 */ |
d1abb6a2 RB |
334 | PTR compat_sys_timer_settime |
335 | PTR compat_sys_timer_gettime | |
1da177e4 LT |
336 | PTR sys_timer_getoverrun |
337 | PTR sys_timer_delete | |
d1abb6a2 RB |
338 | PTR compat_sys_clock_settime /* 6225 */ |
339 | PTR compat_sys_clock_gettime | |
340 | PTR compat_sys_clock_getres | |
341 | PTR compat_sys_clock_nanosleep | |
1da177e4 LT |
342 | PTR sys_tgkill |
343 | PTR compat_sys_utimes /* 6230 */ | |
344 | PTR sys_ni_syscall /* sys_mbind */ | |
345 | PTR sys_ni_syscall /* sys_get_mempolicy */ | |
346 | PTR sys_ni_syscall /* sys_set_mempolicy */ | |
347 | PTR compat_sys_mq_open | |
348 | PTR sys_mq_unlink /* 6235 */ | |
349 | PTR compat_sys_mq_timedsend | |
350 | PTR compat_sys_mq_timedreceive | |
351 | PTR compat_sys_mq_notify | |
352 | PTR compat_sys_mq_getsetattr | |
353 | PTR sys_ni_syscall /* 6240, sys_vserver */ | |
440537ef | 354 | PTR compat_sys_waitid |
1da177e4 LT |
355 | PTR sys_ni_syscall /* available, was setaltroot */ |
356 | PTR sys_add_key | |
357 | PTR sys_request_key | |
358 | PTR sys_keyctl /* 6245 */ | |
3c37026d | 359 | PTR sys_set_thread_area |
8d9c6267 RB |
360 | PTR sys_inotify_init |
361 | PTR sys_inotify_add_watch | |
362 | PTR sys_inotify_rm_watch | |
72bf8914 RB |
363 | PTR sys_migrate_pages /* 6250 */ |
364 | PTR sys_openat | |
365 | PTR sys_mkdirat | |
366 | PTR sys_mknodat | |
367 | PTR sys_fchownat | |
82411390 | 368 | PTR compat_sys_futimesat /* 6255 */ |
72bf8914 RB |
369 | PTR sys_newfstatat |
370 | PTR sys_unlinkat | |
371 | PTR sys_renameat | |
372 | PTR sys_linkat | |
373 | PTR sys_symlinkat /* 6260 */ | |
374 | PTR sys_readlinkat | |
375 | PTR sys_fchmodat | |
376 | PTR sys_faccessat | |
99d233fa | 377 | PTR compat_sys_pselect6 |
46afb829 | 378 | PTR compat_sys_ppoll /* 6265 */ |
72bf8914 | 379 | PTR sys_unshare |
f115da9c | 380 | PTR sys_splice |
a8d587a7 | 381 | PTR sys_sync_file_range |
136d47d3 | 382 | PTR sys_tee |
8d13cb26 | 383 | PTR compat_sys_vmsplice /* 6270 */ |
722cfd90 | 384 | PTR sys_move_pages |
7fdeb048 AN |
385 | PTR compat_sys_set_robust_list |
386 | PTR compat_sys_get_robust_list | |
583bb86f | 387 | PTR compat_sys_kexec_load |
08253b39 | 388 | PTR sys_getcpu /* 6275 */ |
431dc804 | 389 | PTR compat_sys_epoll_pwait |
08253b39 RB |
390 | PTR sys_ioprio_set |
391 | PTR sys_ioprio_get | |
7a6d4f38 | 392 | PTR compat_sys_utimensat |
e10c53a5 | 393 | PTR compat_sys_signalfd /* 6280 */ |
8bdd5142 | 394 | PTR sys_ni_syscall /* was timerfd */ |
7a6d4f38 | 395 | PTR sys_eventfd |
4dc46775 | 396 | PTR sys_fallocate |
6783fe62 | 397 | PTR sys_timerfd_create |
e10c53a5 | 398 | PTR compat_sys_timerfd_gettime /* 6285 */ |
c7d16736 | 399 | PTR compat_sys_timerfd_settime |
97daa768 | 400 | PTR compat_sys_signalfd4 |
3885b71b RB |
401 | PTR sys_eventfd2 |
402 | PTR sys_epoll_create1 | |
e10c53a5 | 403 | PTR sys_dup3 /* 6290 */ |
3885b71b RB |
404 | PTR sys_pipe2 |
405 | PTR sys_inotify_init1 | |
d5563715 RB |
406 | PTR compat_sys_preadv |
407 | PTR compat_sys_pwritev | |
e10c53a5 | 408 | PTR compat_sys_rt_tgsigqueueinfo /* 6295 */ |
cdd6c482 | 409 | PTR sys_perf_event_open |
54822de7 | 410 | PTR sys_accept4 |
a2e27255 | 411 | PTR compat_sys_recvmmsg |
e9fb4d84 | 412 | PTR sys_getdents64 |
5e844b31 DD |
413 | PTR sys_fanotify_init /* 6300 */ |
414 | PTR sys_fanotify_mark | |
415 | PTR sys_prlimit64 | |
84ed9432 DD |
416 | PTR sys_name_to_handle_at |
417 | PTR sys_open_by_handle_at | |
418 | PTR compat_sys_clock_adjtime /* 6305 */ | |
1bbf2875 | 419 | PTR sys_syncfs |
b12acf16 | 420 | PTR compat_sys_sendmmsg |
7b21fddd | 421 | PTR sys_setns |
8ff8584e DD |
422 | PTR compat_sys_process_vm_readv |
423 | PTR compat_sys_process_vm_writev /* 6310 */ | |
ce71d24c | 424 | PTR sys_kcmp |
08253b39 | 425 | .size sysn32_call_table,.-sysn32_call_table |