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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 | * | |
192ef366 | 6 | * Copyright (C) 1995-99, 2000- 02, 06 Ralf Baechle <ralf@linux-mips.org> |
1da177e4 LT |
7 | * Copyright (C) 2001 MIPS Technologies, Inc. |
8 | * Copyright (C) 2004 Thiemo Seufer | |
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/isadep.h> | |
18 | #include <asm/sysmips.h> | |
19 | #include <asm/thread_info.h> | |
20 | #include <asm/unistd.h> | |
21 | #include <asm/war.h> | |
048eb582 | 22 | #include <asm/asm-offsets.h> |
1da177e4 LT |
23 | |
24 | /* Highest syscall used of any syscall flavour */ | |
25 | #define MAX_SYSCALL_NO __NR_O32_Linux + __NR_O32_Linux_syscalls | |
26 | ||
27 | .align 5 | |
28 | NESTED(handle_sys, PT_SIZE, sp) | |
29 | .set noat | |
30 | SAVE_SOME | |
eae6c0da | 31 | TRACE_IRQS_ON_RELOAD |
1da177e4 LT |
32 | STI |
33 | .set at | |
34 | ||
35 | lw t1, PT_EPC(sp) # skip syscall on return | |
36 | ||
1da177e4 LT |
37 | subu v0, v0, __NR_O32_Linux # check syscall number |
38 | sltiu t0, v0, __NR_O32_Linux_syscalls + 1 | |
1da177e4 LT |
39 | addiu t1, 4 # skip to next instruction |
40 | sw t1, PT_EPC(sp) | |
41 | beqz t0, illegal_syscall | |
42 | ||
43 | sll t0, v0, 3 | |
44 | la t1, sys_call_table | |
45 | addu t1, t0 | |
46 | lw t2, (t1) # syscall routine | |
47 | lw t3, 4(t1) # >= 0 if we need stack arguments | |
48 | beqz t2, illegal_syscall | |
49 | ||
50 | sw a3, PT_R26(sp) # save a3 for syscall restarting | |
51 | bgez t3, stackargs | |
52 | ||
53 | stack_done: | |
54 | lw t0, TI_FLAGS($28) # syscall tracing enabled? | |
55 | li t1, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | |
56 | and t0, t1 | |
57 | bnez t0, syscall_trace_entry # -> yes | |
58 | ||
59 | jalr t2 # Do The Real Thing (TM) | |
60 | ||
61 | li t0, -EMAXERRNO - 1 # error? | |
62 | sltu t0, t0, v0 | |
63 | sw t0, PT_R7(sp) # set error flag | |
64 | beqz t0, 1f | |
65 | ||
8f5a00eb | 66 | lw t1, PT_R2(sp) # syscall number |
1da177e4 | 67 | negu v0 # error |
8f5a00eb | 68 | sw t1, PT_R0(sp) # save it for syscall restarting |
1da177e4 LT |
69 | 1: sw v0, PT_R2(sp) # result |
70 | ||
71 | o32_syscall_exit: | |
02f884ed | 72 | j syscall_exit_partial |
1da177e4 LT |
73 | |
74 | /* ------------------------------------------------------------------------ */ | |
75 | ||
76 | syscall_trace_entry: | |
77 | SAVE_STATIC | |
78 | move s0, t2 | |
79 | move a0, sp | |
8b659a39 | 80 | jal syscall_trace_enter |
1da177e4 | 81 | |
04a7052c RB |
82 | move t0, s0 |
83 | RESTORE_STATIC | |
1da177e4 LT |
84 | lw a0, PT_R4(sp) # Restore argument registers |
85 | lw a1, PT_R5(sp) | |
86 | lw a2, PT_R6(sp) | |
87 | lw a3, PT_R7(sp) | |
04a7052c | 88 | jalr t0 |
1da177e4 LT |
89 | |
90 | li t0, -EMAXERRNO - 1 # error? | |
91 | sltu t0, t0, v0 | |
92 | sw t0, PT_R7(sp) # set error flag | |
93 | beqz t0, 1f | |
94 | ||
8f5a00eb | 95 | lw t1, PT_R2(sp) # syscall number |
1da177e4 | 96 | negu v0 # error |
8f5a00eb | 97 | sw t1, PT_R0(sp) # save it for syscall restarting |
1da177e4 LT |
98 | 1: sw v0, PT_R2(sp) # result |
99 | ||
100 | j syscall_exit | |
101 | ||
102 | /* ------------------------------------------------------------------------ */ | |
103 | ||
104 | /* | |
105 | * More than four arguments. Try to deal with it by copying the | |
106 | * stack arguments from the user stack to the kernel stack. | |
107 | * This Sucks (TM). | |
108 | */ | |
109 | stackargs: | |
110 | lw t0, PT_R29(sp) # get old user stack pointer | |
111 | ||
112 | /* | |
113 | * We intentionally keep the kernel stack a little below the top of | |
114 | * userspace so we don't have to do a slower byte accurate check here. | |
115 | */ | |
116 | lw t5, TI_ADDR_LIMIT($28) | |
117 | addu t4, t0, 32 | |
118 | and t5, t4 | |
119 | bltz t5, bad_stack # -> sp is bad | |
120 | ||
121 | /* Ok, copy the args from the luser stack to the kernel stack. | |
122 | * t3 is the precomputed number of instruction bytes needed to | |
123 | * load or store arguments 6-8. | |
124 | */ | |
125 | ||
126 | la t1, 5f # load up to 3 arguments | |
127 | subu t1, t3 | |
128 | 1: lw t5, 16(t0) # argument #5 from usp | |
129 | .set push | |
130 | .set noreorder | |
131 | .set nomacro | |
132 | jr t1 | |
133 | addiu t1, 6f - 5f | |
134 | ||
135 | 2: lw t8, 28(t0) # argument #8 from usp | |
136 | 3: lw t7, 24(t0) # argument #7 from usp | |
137 | 4: lw t6, 20(t0) # argument #6 from usp | |
138 | 5: jr t1 | |
139 | sw t5, 16(sp) # argument #5 to ksp | |
140 | ||
141 | sw t8, 28(sp) # argument #8 to ksp | |
142 | sw t7, 24(sp) # argument #7 to ksp | |
143 | sw t6, 20(sp) # argument #6 to ksp | |
144 | 6: j stack_done # go back | |
145 | nop | |
146 | .set pop | |
147 | ||
148 | .section __ex_table,"a" | |
149 | PTR 1b,bad_stack | |
150 | PTR 2b,bad_stack | |
151 | PTR 3b,bad_stack | |
152 | PTR 4b,bad_stack | |
153 | .previous | |
154 | ||
155 | /* | |
156 | * The stackpointer for a call with more than 4 arguments is bad. | |
157 | * We probably should handle this case a bit more drastic. | |
158 | */ | |
159 | bad_stack: | |
5b89c004 | 160 | li v0, EFAULT |
1da177e4 LT |
161 | sw v0, PT_R2(sp) |
162 | li t0, 1 # set error flag | |
163 | sw t0, PT_R7(sp) | |
164 | j o32_syscall_exit | |
165 | ||
166 | /* | |
167 | * The system call does not exist in this kernel | |
168 | */ | |
169 | illegal_syscall: | |
bda8229b | 170 | li v0, ENOSYS # error |
1da177e4 LT |
171 | sw v0, PT_R2(sp) |
172 | li t0, 1 # set error flag | |
173 | sw t0, PT_R7(sp) | |
174 | j o32_syscall_exit | |
175 | END(handle_sys) | |
176 | ||
1da177e4 | 177 | LEAF(sys_syscall) |
1da177e4 LT |
178 | subu t0, a0, __NR_O32_Linux # check syscall number |
179 | sltiu v0, t0, __NR_O32_Linux_syscalls + 1 | |
e807f957 | 180 | beqz t0, einval # do not recurse |
1da177e4 LT |
181 | sll t1, t0, 3 |
182 | beqz v0, einval | |
1da177e4 LT |
183 | lw t2, sys_call_table(t1) # syscall routine |
184 | ||
1da177e4 LT |
185 | /* Some syscalls like execve get their arguments from struct pt_regs |
186 | and claim zero arguments in the syscall table. Thus we have to | |
187 | assume the worst case and shuffle around all potential arguments. | |
188 | If you want performance, don't use indirect syscalls. */ | |
189 | ||
190 | move a0, a1 # shift argument registers | |
191 | move a1, a2 | |
192 | move a2, a3 | |
193 | lw a3, 16(sp) | |
194 | lw t4, 20(sp) | |
195 | lw t5, 24(sp) | |
196 | lw t6, 28(sp) | |
197 | sw t4, 16(sp) | |
198 | sw t5, 20(sp) | |
199 | sw t6, 24(sp) | |
200 | sw a0, PT_R4(sp) # .. and push back a0 - a3, some | |
201 | sw a1, PT_R5(sp) # syscalls expect them there | |
202 | sw a2, PT_R6(sp) | |
203 | sw a3, PT_R7(sp) | |
204 | sw a3, PT_R26(sp) # update a3 for syscall restarting | |
205 | jr t2 | |
206 | /* Unreached */ | |
207 | ||
fb498e25 | 208 | einval: li v0, -ENOSYS |
1da177e4 LT |
209 | jr ra |
210 | END(sys_syscall) | |
211 | ||
212 | .macro fifty ptr, nargs, from=1, to=50 | |
213 | sys \ptr \nargs | |
214 | .if \to-\from | |
215 | fifty \ptr,\nargs,"(\from+1)",\to | |
216 | .endif | |
217 | .endm | |
218 | ||
219 | .macro mille ptr, nargs, from=1, to=20 | |
220 | fifty \ptr,\nargs | |
221 | .if \to-\from | |
222 | mille \ptr,\nargs,"(\from+1)",\to | |
223 | .endif | |
224 | .endm | |
225 | ||
226 | .macro syscalltable | |
1da177e4 LT |
227 | sys sys_syscall 8 /* 4000 */ |
228 | sys sys_exit 1 | |
229 | sys sys_fork 0 | |
230 | sys sys_read 3 | |
231 | sys sys_write 3 | |
232 | sys sys_open 3 /* 4005 */ | |
233 | sys sys_close 1 | |
234 | sys sys_waitpid 3 | |
235 | sys sys_creat 2 | |
236 | sys sys_link 2 | |
237 | sys sys_unlink 1 /* 4010 */ | |
238 | sys sys_execve 0 | |
239 | sys sys_chdir 1 | |
240 | sys sys_time 1 | |
241 | sys sys_mknod 3 | |
242 | sys sys_chmod 2 /* 4015 */ | |
243 | sys sys_lchown 3 | |
244 | sys sys_ni_syscall 0 | |
245 | sys sys_ni_syscall 0 /* was sys_stat */ | |
246 | sys sys_lseek 3 | |
247 | sys sys_getpid 0 /* 4020 */ | |
248 | sys sys_mount 5 | |
249 | sys sys_oldumount 1 | |
250 | sys sys_setuid 1 | |
251 | sys sys_getuid 0 | |
252 | sys sys_stime 1 /* 4025 */ | |
253 | sys sys_ptrace 4 | |
254 | sys sys_alarm 1 | |
255 | sys sys_ni_syscall 0 /* was sys_fstat */ | |
256 | sys sys_pause 0 | |
257 | sys sys_utime 2 /* 4030 */ | |
258 | sys sys_ni_syscall 0 | |
259 | sys sys_ni_syscall 0 | |
260 | sys sys_access 2 | |
261 | sys sys_nice 1 | |
262 | sys sys_ni_syscall 0 /* 4035 */ | |
263 | sys sys_sync 0 | |
264 | sys sys_kill 2 | |
265 | sys sys_rename 2 | |
266 | sys sys_mkdir 2 | |
267 | sys sys_rmdir 1 /* 4040 */ | |
268 | sys sys_dup 1 | |
8213bbf9 | 269 | sys sysm_pipe 0 |
1da177e4 LT |
270 | sys sys_times 1 |
271 | sys sys_ni_syscall 0 | |
272 | sys sys_brk 1 /* 4045 */ | |
273 | sys sys_setgid 1 | |
274 | sys sys_getgid 0 | |
275 | sys sys_ni_syscall 0 /* was signal(2) */ | |
276 | sys sys_geteuid 0 | |
277 | sys sys_getegid 0 /* 4050 */ | |
278 | sys sys_acct 1 | |
279 | sys sys_umount 2 | |
280 | sys sys_ni_syscall 0 | |
281 | sys sys_ioctl 3 | |
282 | sys sys_fcntl 3 /* 4055 */ | |
283 | sys sys_ni_syscall 2 | |
284 | sys sys_setpgid 2 | |
285 | sys sys_ni_syscall 0 | |
286 | sys sys_olduname 1 | |
287 | sys sys_umask 1 /* 4060 */ | |
288 | sys sys_chroot 1 | |
289 | sys sys_ustat 2 | |
290 | sys sys_dup2 2 | |
291 | sys sys_getppid 0 | |
292 | sys sys_getpgrp 0 /* 4065 */ | |
293 | sys sys_setsid 0 | |
294 | sys sys_sigaction 3 | |
295 | sys sys_sgetmask 0 | |
296 | sys sys_ssetmask 1 | |
297 | sys sys_setreuid 2 /* 4070 */ | |
298 | sys sys_setregid 2 | |
299 | sys sys_sigsuspend 0 | |
300 | sys sys_sigpending 1 | |
301 | sys sys_sethostname 2 | |
302 | sys sys_setrlimit 2 /* 4075 */ | |
303 | sys sys_getrlimit 2 | |
304 | sys sys_getrusage 2 | |
305 | sys sys_gettimeofday 2 | |
306 | sys sys_settimeofday 2 | |
307 | sys sys_getgroups 2 /* 4080 */ | |
308 | sys sys_setgroups 2 | |
309 | sys sys_ni_syscall 0 /* old_select */ | |
310 | sys sys_symlink 2 | |
311 | sys sys_ni_syscall 0 /* was sys_lstat */ | |
312 | sys sys_readlink 3 /* 4085 */ | |
313 | sys sys_uselib 1 | |
314 | sys sys_swapon 2 | |
315 | sys sys_reboot 3 | |
e55380ed | 316 | sys sys_old_readdir 3 |
dbda6ac0 | 317 | sys sys_mips_mmap 6 /* 4090 */ |
1da177e4 LT |
318 | sys sys_munmap 2 |
319 | sys sys_truncate 2 | |
320 | sys sys_ftruncate 2 | |
321 | sys sys_fchmod 2 | |
322 | sys sys_fchown 3 /* 4095 */ | |
323 | sys sys_getpriority 2 | |
324 | sys sys_setpriority 3 | |
325 | sys sys_ni_syscall 0 | |
326 | sys sys_statfs 2 | |
327 | sys sys_fstatfs 2 /* 4100 */ | |
328 | sys sys_ni_syscall 0 /* was ioperm(2) */ | |
329 | sys sys_socketcall 2 | |
330 | sys sys_syslog 3 | |
331 | sys sys_setitimer 3 | |
332 | sys sys_getitimer 2 /* 4105 */ | |
333 | sys sys_newstat 2 | |
334 | sys sys_newlstat 2 | |
335 | sys sys_newfstat 2 | |
336 | sys sys_uname 1 | |
337 | sys sys_ni_syscall 0 /* 4110 was iopl(2) */ | |
338 | sys sys_vhangup 0 | |
339 | sys sys_ni_syscall 0 /* was sys_idle() */ | |
340 | sys sys_ni_syscall 0 /* was sys_vm86 */ | |
341 | sys sys_wait4 4 | |
342 | sys sys_swapoff 1 /* 4115 */ | |
343 | sys sys_sysinfo 1 | |
344 | sys sys_ipc 6 | |
345 | sys sys_fsync 1 | |
346 | sys sys_sigreturn 0 | |
347 | sys sys_clone 0 /* 4120 */ | |
348 | sys sys_setdomainname 2 | |
349 | sys sys_newuname 1 | |
350 | sys sys_ni_syscall 0 /* sys_modify_ldt */ | |
351 | sys sys_adjtimex 1 | |
352 | sys sys_mprotect 3 /* 4125 */ | |
353 | sys sys_sigprocmask 3 | |
354 | sys sys_ni_syscall 0 /* was create_module */ | |
355 | sys sys_init_module 5 | |
356 | sys sys_delete_module 1 | |
357 | sys sys_ni_syscall 0 /* 4130 was get_kernel_syms */ | |
358 | sys sys_quotactl 4 | |
359 | sys sys_getpgid 1 | |
360 | sys sys_fchdir 1 | |
361 | sys sys_bdflush 2 | |
362 | sys sys_sysfs 3 /* 4135 */ | |
363 | sys sys_personality 1 | |
364 | sys sys_ni_syscall 0 /* for afs_syscall */ | |
365 | sys sys_setfsuid 1 | |
366 | sys sys_setfsgid 1 | |
367 | sys sys_llseek 5 /* 4140 */ | |
368 | sys sys_getdents 3 | |
369 | sys sys_select 5 | |
370 | sys sys_flock 2 | |
371 | sys sys_msync 3 | |
372 | sys sys_readv 3 /* 4145 */ | |
373 | sys sys_writev 3 | |
374 | sys sys_cacheflush 3 | |
375 | sys sys_cachectl 3 | |
376 | sys sys_sysmips 4 | |
377 | sys sys_ni_syscall 0 /* 4150 */ | |
378 | sys sys_getsid 1 | |
379 | sys sys_fdatasync 1 | |
380 | sys sys_sysctl 1 | |
381 | sys sys_mlock 2 | |
382 | sys sys_munlock 2 /* 4155 */ | |
383 | sys sys_mlockall 1 | |
384 | sys sys_munlockall 0 | |
385 | sys sys_sched_setparam 2 | |
386 | sys sys_sched_getparam 2 | |
387 | sys sys_sched_setscheduler 3 /* 4160 */ | |
388 | sys sys_sched_getscheduler 1 | |
389 | sys sys_sched_yield 0 | |
390 | sys sys_sched_get_priority_max 1 | |
391 | sys sys_sched_get_priority_min 1 | |
392 | sys sys_sched_rr_get_interval 2 /* 4165 */ | |
393 | sys sys_nanosleep, 2 | |
7dbdf43c | 394 | sys sys_mremap, 5 |
1da177e4 LT |
395 | sys sys_accept 3 |
396 | sys sys_bind 3 | |
397 | sys sys_connect 3 /* 4170 */ | |
398 | sys sys_getpeername 3 | |
399 | sys sys_getsockname 3 | |
400 | sys sys_getsockopt 5 | |
401 | sys sys_listen 2 | |
402 | sys sys_recv 4 /* 4175 */ | |
403 | sys sys_recvfrom 6 | |
404 | sys sys_recvmsg 3 | |
405 | sys sys_send 4 | |
406 | sys sys_sendmsg 3 | |
407 | sys sys_sendto 6 /* 4180 */ | |
408 | sys sys_setsockopt 5 | |
409 | sys sys_shutdown 2 | |
410 | sys sys_socket 3 | |
411 | sys sys_socketpair 4 | |
412 | sys sys_setresuid 3 /* 4185 */ | |
413 | sys sys_getresuid 3 | |
414 | sys sys_ni_syscall 0 /* was sys_query_module */ | |
415 | sys sys_poll 3 | |
f5b94099 | 416 | sys sys_ni_syscall 0 /* was nfsservctl */ |
1da177e4 LT |
417 | sys sys_setresgid 3 /* 4190 */ |
418 | sys sys_getresgid 3 | |
419 | sys sys_prctl 5 | |
420 | sys sys_rt_sigreturn 0 | |
421 | sys sys_rt_sigaction 4 | |
422 | sys sys_rt_sigprocmask 4 /* 4195 */ | |
423 | sys sys_rt_sigpending 2 | |
424 | sys sys_rt_sigtimedwait 4 | |
425 | sys sys_rt_sigqueueinfo 3 | |
426 | sys sys_rt_sigsuspend 0 | |
427 | sys sys_pread64 6 /* 4200 */ | |
428 | sys sys_pwrite64 6 | |
429 | sys sys_chown 3 | |
430 | sys sys_getcwd 2 | |
431 | sys sys_capget 2 | |
432 | sys sys_capset 2 /* 4205 */ | |
433 | sys sys_sigaltstack 0 | |
434 | sys sys_sendfile 4 | |
435 | sys sys_ni_syscall 0 | |
436 | sys sys_ni_syscall 0 | |
dbda6ac0 | 437 | sys sys_mips_mmap2 6 /* 4210 */ |
1da177e4 LT |
438 | sys sys_truncate64 4 |
439 | sys sys_ftruncate64 4 | |
440 | sys sys_stat64 2 | |
441 | sys sys_lstat64 2 | |
442 | sys sys_fstat64 2 /* 4215 */ | |
443 | sys sys_pivot_root 2 | |
444 | sys sys_mincore 3 | |
445 | sys sys_madvise 3 | |
446 | sys sys_getdents64 3 | |
447 | sys sys_fcntl64 3 /* 4220 */ | |
448 | sys sys_ni_syscall 0 | |
449 | sys sys_gettid 0 | |
450 | sys sys_readahead 5 | |
451 | sys sys_setxattr 5 | |
452 | sys sys_lsetxattr 5 /* 4225 */ | |
453 | sys sys_fsetxattr 5 | |
454 | sys sys_getxattr 4 | |
455 | sys sys_lgetxattr 4 | |
456 | sys sys_fgetxattr 4 | |
457 | sys sys_listxattr 3 /* 4230 */ | |
458 | sys sys_llistxattr 3 | |
459 | sys sys_flistxattr 3 | |
460 | sys sys_removexattr 2 | |
461 | sys sys_lremovexattr 2 | |
462 | sys sys_fremovexattr 2 /* 4235 */ | |
463 | sys sys_tkill 2 | |
464 | sys sys_sendfile64 5 | |
90a67b59 | 465 | sys sys_futex 6 |
f088fc84 RB |
466 | #ifdef CONFIG_MIPS_MT_FPAFF |
467 | /* | |
468 | * For FPU affinity scheduling on MIPS MT processors, we need to | |
469 | * intercept sys_sched_xxxaffinity() calls until we get a proper hook | |
470 | * in kernel/sched.c. Considered only temporary we only support these | |
471 | * hooks for the 32-bit kernel - there is no MIPS64 MT processor atm. | |
472 | */ | |
473 | sys mipsmt_sys_sched_setaffinity 3 | |
474 | sys mipsmt_sys_sched_getaffinity 3 | |
475 | #else | |
1da177e4 LT |
476 | sys sys_sched_setaffinity 3 |
477 | sys sys_sched_getaffinity 3 /* 4240 */ | |
f088fc84 | 478 | #endif /* CONFIG_MIPS_MT_FPAFF */ |
1da177e4 LT |
479 | sys sys_io_setup 2 |
480 | sys sys_io_destroy 1 | |
481 | sys sys_io_getevents 5 | |
482 | sys sys_io_submit 3 | |
483 | sys sys_io_cancel 3 /* 4245 */ | |
484 | sys sys_exit_group 1 | |
0d507d61 | 485 | sys sys_lookup_dcookie 4 |
1da177e4 LT |
486 | sys sys_epoll_create 1 |
487 | sys sys_epoll_ctl 4 | |
5db6acdb | 488 | sys sys_epoll_wait 4 /* 4250 */ |
1da177e4 LT |
489 | sys sys_remap_file_pages 5 |
490 | sys sys_set_tid_address 1 | |
491 | sys sys_restart_syscall 0 | |
492 | sys sys_fadvise64_64 7 | |
493 | sys sys_statfs64 3 /* 4255 */ | |
494 | sys sys_fstatfs64 2 | |
495 | sys sys_timer_create 3 | |
496 | sys sys_timer_settime 4 | |
497 | sys sys_timer_gettime 2 | |
498 | sys sys_timer_getoverrun 1 /* 4260 */ | |
499 | sys sys_timer_delete 1 | |
500 | sys sys_clock_settime 2 | |
501 | sys sys_clock_gettime 2 | |
502 | sys sys_clock_getres 2 | |
503 | sys sys_clock_nanosleep 4 /* 4265 */ | |
504 | sys sys_tgkill 3 | |
505 | sys sys_utimes 2 | |
506 | sys sys_mbind 4 | |
507 | sys sys_ni_syscall 0 /* sys_get_mempolicy */ | |
508 | sys sys_ni_syscall 0 /* 4270 sys_set_mempolicy */ | |
509 | sys sys_mq_open 4 | |
510 | sys sys_mq_unlink 1 | |
511 | sys sys_mq_timedsend 5 | |
512 | sys sys_mq_timedreceive 5 | |
513 | sys sys_mq_notify 2 /* 4275 */ | |
514 | sys sys_mq_getsetattr 3 | |
515 | sys sys_ni_syscall 0 /* sys_vserver */ | |
a19050f3 | 516 | sys sys_waitid 5 |
1da177e4 | 517 | sys sys_ni_syscall 0 /* available, was setaltroot */ |
e50c0a8f | 518 | sys sys_add_key 5 /* 4280 */ |
1da177e4 LT |
519 | sys sys_request_key 4 |
520 | sys sys_keyctl 5 | |
3c37026d | 521 | sys sys_set_thread_area 1 |
7db36c85 RB |
522 | sys sys_inotify_init 0 |
523 | sys sys_inotify_add_watch 3 /* 4285 */ | |
524 | sys sys_inotify_rm_watch 2 | |
72bf8914 RB |
525 | sys sys_migrate_pages 4 |
526 | sys sys_openat 4 | |
527 | sys sys_mkdirat 3 | |
528 | sys sys_mknodat 4 /* 4290 */ | |
529 | sys sys_fchownat 5 | |
530 | sys sys_futimesat 3 | |
326a6257 | 531 | sys sys_fstatat64 4 |
72bf8914 RB |
532 | sys sys_unlinkat 3 |
533 | sys sys_renameat 4 /* 4295 */ | |
c04030e1 | 534 | sys sys_linkat 5 |
72bf8914 RB |
535 | sys sys_symlinkat 3 |
536 | sys sys_readlinkat 4 | |
537 | sys sys_fchmodat 3 | |
538 | sys sys_faccessat 3 /* 4300 */ | |
539 | sys sys_pselect6 6 | |
540 | sys sys_ppoll 5 | |
541 | sys sys_unshare 1 | |
08d30879 | 542 | sys sys_splice 6 |
a8d587a7 | 543 | sys sys_sync_file_range 7 /* 4305 */ |
136d47d3 | 544 | sys sys_tee 4 |
722cfd90 RB |
545 | sys sys_vmsplice 4 |
546 | sys sys_move_pages 6 | |
7fdeb048 | 547 | sys sys_set_robust_list 2 |
d2bcf87d | 548 | sys sys_get_robust_list 3 /* 4310 */ |
583bb86f | 549 | sys sys_kexec_load 4 |
991ea26d RB |
550 | sys sys_getcpu 3 |
551 | sys sys_epoll_pwait 6 | |
08253b39 | 552 | sys sys_ioprio_set 3 |
7a6d4f38 AN |
553 | sys sys_ioprio_get 2 /* 4315 */ |
554 | sys sys_utimensat 4 | |
555 | sys sys_signalfd 3 | |
8bdd5142 | 556 | sys sys_ni_syscall 0 /* was timerfd */ |
7a6d4f38 | 557 | sys sys_eventfd 1 |
4dc46775 | 558 | sys sys_fallocate 6 /* 4320 */ |
6783fe62 DV |
559 | sys sys_timerfd_create 2 |
560 | sys sys_timerfd_gettime 2 | |
561 | sys sys_timerfd_settime 4 | |
3885b71b RB |
562 | sys sys_signalfd4 4 |
563 | sys sys_eventfd2 2 /* 4325 */ | |
564 | sys sys_epoll_create1 1 | |
565 | sys sys_dup3 3 | |
566 | sys sys_pipe2 2 | |
567 | sys sys_inotify_init1 1 | |
ddd9e91b RB |
568 | sys sys_preadv 6 /* 4330 */ |
569 | sys sys_pwritev 6 | |
69f16c9a | 570 | sys sys_rt_tgsigqueueinfo 4 |
cdd6c482 | 571 | sys sys_perf_event_open 5 |
54822de7 | 572 | sys sys_accept4 4 |
5e844b31 DD |
573 | sys sys_recvmmsg 5 /* 4335 */ |
574 | sys sys_fanotify_init 2 | |
575 | sys sys_fanotify_mark 6 | |
576 | sys sys_prlimit64 4 | |
84ed9432 DD |
577 | sys sys_name_to_handle_at 5 |
578 | sys sys_open_by_handle_at 3 /* 4340 */ | |
579 | sys sys_clock_adjtime 2 | |
1bbf2875 | 580 | sys sys_syncfs 1 |
b12acf16 | 581 | sys sys_sendmmsg 4 |
7b21fddd | 582 | sys sys_setns 2 |
8ff8584e DD |
583 | sys sys_process_vm_readv 6 /* 4345 */ |
584 | sys sys_process_vm_writev 6 | |
ce71d24c | 585 | sys sys_kcmp 5 |
1da177e4 LT |
586 | .endm |
587 | ||
588 | /* We pre-compute the number of _instruction_ bytes needed to | |
589 | load or store the arguments 6-8. Negative values are ignored. */ | |
590 | ||
591 | .macro sys function, nargs | |
592 | PTR \function | |
593 | LONG (\nargs << 2) - (5 << 2) | |
594 | .endm | |
595 | ||
596 | .align 3 | |
597 | .type sys_call_table,@object | |
598 | EXPORT(sys_call_table) | |
599 | syscalltable | |
600 | .size sys_call_table, . - sys_call_table |