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authorRalf Baechle <ralf@linux-mips.org>2012-07-14 03:22:05 -0400
committerRalf Baechle <ralf@linux-mips.org>2013-10-29 16:25:02 -0400
commit46e12c07b3b9603c60fc1d421ff18618241cb081 (patch)
treea969d44689686676318e9ff07f3602a5ff969d56 /arch/mips/kernel/scall32-o32.S
parent19e2e172f0ed2552793ecef506b00c3fa3421845 (diff)
MIPS: O32 / 32-bit: Always copy 4 stack arguments.
This gets us rid of the hard to maintain table of the number of syscall arguments and paves the way for further restructuring of the syscall code. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel/scall32-o32.S')
-rw-r--r--arch/mips/kernel/scall32-o32.S832
1 files changed, 400 insertions, 432 deletions
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index c0a53f2a5440..e8e541b40d86 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -40,17 +40,58 @@ NESTED(handle_sys, PT_SIZE, sp)
40 sw t1, PT_EPC(sp) 40 sw t1, PT_EPC(sp)
41 beqz t0, illegal_syscall 41 beqz t0, illegal_syscall
42 42
43 sll t0, v0, 3 43 sll t0, v0, 2
44 la t1, sys_call_table 44 la t1, sys_call_table
45 addu t1, t0 45 addu t1, t0
46 lw t2, (t1) # syscall routine 46 lw t2, (t1) # syscall routine
47 lw t3, 4(t1) # >= 0 if we need stack arguments
48 beqz t2, illegal_syscall 47 beqz t2, illegal_syscall
49 48
50 sw a3, PT_R26(sp) # save a3 for syscall restarting 49 sw a3, PT_R26(sp) # save a3 for syscall restarting
51 bgez t3, stackargs
52 50
53stack_done: 51 /*
52 * More than four arguments. Try to deal with it by copying the
53 * stack arguments from the user stack to the kernel stack.
54 * This Sucks (TM).
55 */
56 lw t0, PT_R29(sp) # get old user stack pointer
57
58 /*
59 * We intentionally keep the kernel stack a little below the top of
60 * userspace so we don't have to do a slower byte accurate check here.
61 */
62 lw t5, TI_ADDR_LIMIT($28)
63 addu t4, t0, 32
64 and t5, t4
65 bltz t5, bad_stack # -> sp is bad
66
67 /*
68 * Ok, copy the args from the luser stack to the kernel stack.
69 * t3 is the precomputed number of instruction bytes needed to
70 * load or store arguments 6-8.
71 */
72
73 .set push
74 .set noreorder
75 .set nomacro
76
771: lw t5, 16(t0) # argument #5 from usp
784: lw t6, 20(t0) # argument #6 from usp
793: lw t7, 24(t0) # argument #7 from usp
802: lw t8, 28(t0) # argument #8 from usp
81
82 sw t5, 16(sp) # argument #5 to ksp
83 sw t6, 20(sp) # argument #6 to ksp
84 sw t7, 24(sp) # argument #7 to ksp
85 sw t8, 28(sp) # argument #8 to ksp
86 .set pop
87
88 .section __ex_table,"a"
89 PTR 1b,bad_stack
90 PTR 2b,bad_stack
91 PTR 3b,bad_stack
92 PTR 4b,bad_stack
93 .previous
94
54 lw t0, TI_FLAGS($28) # syscall tracing enabled? 95 lw t0, TI_FLAGS($28) # syscall tracing enabled?
55 li t1, _TIF_WORK_SYSCALL_ENTRY 96 li t1, _TIF_WORK_SYSCALL_ENTRY
56 and t0, t1 97 and t0, t1
@@ -102,66 +143,6 @@ syscall_trace_entry:
102/* ------------------------------------------------------------------------ */ 143/* ------------------------------------------------------------------------ */
103 144
104 /* 145 /*
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 */
109stackargs:
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
1281: 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
1352: lw t8, 28(t0) # argument #8 from usp
1363: lw t7, 24(t0) # argument #7 from usp
1374: lw t6, 20(t0) # argument #6 from usp
1385: jr t1
139 sw t5, 16(sp) # argument #5 to ksp
140
141#ifdef CONFIG_CPU_MICROMIPS
142 sw t8, 28(sp) # argument #8 to ksp
143 nop
144 sw t7, 24(sp) # argument #7 to ksp
145 nop
146 sw t6, 20(sp) # argument #6 to ksp
147 nop
148#else
149 sw t8, 28(sp) # argument #8 to ksp
150 sw t7, 24(sp) # argument #7 to ksp
151 sw t6, 20(sp) # argument #6 to ksp
152#endif
1536: j stack_done # go back
154 nop
155 .set pop
156
157 .section __ex_table,"a"
158 PTR 1b,bad_stack
159 PTR 2b,bad_stack
160 PTR 3b,bad_stack
161 PTR 4b,bad_stack
162 .previous
163
164 /*
165 * The stackpointer for a call with more than 4 arguments is bad. 146 * The stackpointer for a call with more than 4 arguments is bad.
166 * We probably should handle this case a bit more drastic. 147 * We probably should handle this case a bit more drastic.
167 */ 148 */
@@ -187,7 +168,7 @@ illegal_syscall:
187 subu t0, a0, __NR_O32_Linux # check syscall number 168 subu t0, a0, __NR_O32_Linux # check syscall number
188 sltiu v0, t0, __NR_O32_Linux_syscalls + 1 169 sltiu v0, t0, __NR_O32_Linux_syscalls + 1
189 beqz t0, einval # do not recurse 170 beqz t0, einval # do not recurse
190 sll t1, t0, 3 171 sll t1, t0, 2
191 beqz v0, einval 172 beqz v0, einval
192 lw t2, sys_call_table(t1) # syscall routine 173 lw t2, sys_call_table(t1) # syscall routine
193 174
@@ -218,246 +199,248 @@ einval: li v0, -ENOSYS
218 jr ra 199 jr ra
219 END(sys_syscall) 200 END(sys_syscall)
220 201
221 .macro syscalltable 202 .align 2
222 sys sys_syscall 8 /* 4000 */ 203 .type sys_call_table, @object
223 sys sys_exit 1 204EXPORT(sys_call_table)
224 sys __sys_fork 0 205 PTR sys_syscall /* 4000 */
225 sys sys_read 3 206 PTR sys_exit
226 sys sys_write 3 207 PTR __sys_fork
227 sys sys_open 3 /* 4005 */ 208 PTR sys_read
228 sys sys_close 1 209 PTR sys_write
229 sys sys_waitpid 3 210 PTR sys_open /* 4005 */
230 sys sys_creat 2 211 PTR sys_close
231 sys sys_link 2 212 PTR sys_waitpid
232 sys sys_unlink 1 /* 4010 */ 213 PTR sys_creat
233 sys sys_execve 0 214 PTR sys_link
234 sys sys_chdir 1 215 PTR sys_unlink /* 4010 */
235 sys sys_time 1 216 PTR sys_execve
236 sys sys_mknod 3 217 PTR sys_chdir
237 sys sys_chmod 2 /* 4015 */ 218 PTR sys_time
238 sys sys_lchown 3 219 PTR sys_mknod
239 sys sys_ni_syscall 0 220 PTR sys_chmod /* 4015 */
240 sys sys_ni_syscall 0 /* was sys_stat */ 221 PTR sys_lchown
241 sys sys_lseek 3 222 PTR sys_ni_syscall
242 sys sys_getpid 0 /* 4020 */ 223 PTR sys_ni_syscall /* was sys_stat */
243 sys sys_mount 5 224 PTR sys_lseek
244 sys sys_oldumount 1 225 PTR sys_getpid /* 4020 */
245 sys sys_setuid 1 226 PTR sys_mount
246 sys sys_getuid 0 227 PTR sys_oldumount
247 sys sys_stime 1 /* 4025 */ 228 PTR sys_setuid
248 sys sys_ptrace 4 229 PTR sys_getuid
249 sys sys_alarm 1 230 PTR sys_stime /* 4025 */
250 sys sys_ni_syscall 0 /* was sys_fstat */ 231 PTR sys_ptrace
251 sys sys_pause 0 232 PTR sys_alarm
252 sys sys_utime 2 /* 4030 */ 233 PTR sys_ni_syscall /* was sys_fstat */
253 sys sys_ni_syscall 0 234 PTR sys_pause
254 sys sys_ni_syscall 0 235 PTR sys_utime /* 4030 */
255 sys sys_access 2 236 PTR sys_ni_syscall
256 sys sys_nice 1 237 PTR sys_ni_syscall
257 sys sys_ni_syscall 0 /* 4035 */ 238 PTR sys_access
258 sys sys_sync 0 239 PTR sys_nice
259 sys sys_kill 2 240 PTR sys_ni_syscall /* 4035 */
260 sys sys_rename 2 241 PTR sys_sync
261 sys sys_mkdir 2 242 PTR sys_kill
262 sys sys_rmdir 1 /* 4040 */ 243 PTR sys_rename
263 sys sys_dup 1 244 PTR sys_mkdir
264 sys sysm_pipe 0 245 PTR sys_rmdir /* 4040 */
265 sys sys_times 1 246 PTR sys_dup
266 sys sys_ni_syscall 0 247 PTR sysm_pipe
267 sys sys_brk 1 /* 4045 */ 248 PTR sys_times
268 sys sys_setgid 1 249 PTR sys_ni_syscall
269 sys sys_getgid 0 250 PTR sys_brk /* 4045 */
270 sys sys_ni_syscall 0 /* was signal(2) */ 251 PTR sys_setgid
271 sys sys_geteuid 0 252 PTR sys_getgid
272 sys sys_getegid 0 /* 4050 */ 253 PTR sys_ni_syscall /* was signal(2) */
273 sys sys_acct 1 254 PTR sys_geteuid
274 sys sys_umount 2 255 PTR sys_getegid /* 4050 */
275 sys sys_ni_syscall 0 256 PTR sys_acct
276 sys sys_ioctl 3 257 PTR sys_umount
277 sys sys_fcntl 3 /* 4055 */ 258 PTR sys_ni_syscall
278 sys sys_ni_syscall 2 259 PTR sys_ioctl
279 sys sys_setpgid 2 260 PTR sys_fcntl /* 4055 */
280 sys sys_ni_syscall 0 261 PTR sys_ni_syscall
281 sys sys_olduname 1 262 PTR sys_setpgid
282 sys sys_umask 1 /* 4060 */ 263 PTR sys_ni_syscall
283 sys sys_chroot 1 264 PTR sys_olduname
284 sys sys_ustat 2 265 PTR sys_umask /* 4060 */
285 sys sys_dup2 2 266 PTR sys_chroot
286 sys sys_getppid 0 267 PTR sys_ustat
287 sys sys_getpgrp 0 /* 4065 */ 268 PTR sys_dup2
288 sys sys_setsid 0 269 PTR sys_getppid
289 sys sys_sigaction 3 270 PTR sys_getpgrp /* 4065 */
290 sys sys_sgetmask 0 271 PTR sys_setsid
291 sys sys_ssetmask 1 272 PTR sys_sigaction
292 sys sys_setreuid 2 /* 4070 */ 273 PTR sys_sgetmask
293 sys sys_setregid 2 274 PTR sys_ssetmask
294 sys sys_sigsuspend 0 275 PTR sys_setreuid /* 4070 */
295 sys sys_sigpending 1 276 PTR sys_setregid
296 sys sys_sethostname 2 277 PTR sys_sigsuspend
297 sys sys_setrlimit 2 /* 4075 */ 278 PTR sys_sigpending
298 sys sys_getrlimit 2 279 PTR sys_sethostname
299 sys sys_getrusage 2 280 PTR sys_setrlimit /* 4075 */
300 sys sys_gettimeofday 2 281 PTR sys_getrlimit
301 sys sys_settimeofday 2 282 PTR sys_getrusage
302 sys sys_getgroups 2 /* 4080 */ 283 PTR sys_gettimeofday
303 sys sys_setgroups 2 284 PTR sys_settimeofday
304 sys sys_ni_syscall 0 /* old_select */ 285 PTR sys_getgroups /* 4080 */
305 sys sys_symlink 2 286 PTR sys_setgroups
306 sys sys_ni_syscall 0 /* was sys_lstat */ 287 PTR sys_ni_syscall /* old_select */
307 sys sys_readlink 3 /* 4085 */ 288 PTR sys_symlink
308 sys sys_uselib 1 289 PTR sys_ni_syscall /* was sys_lstat */
309 sys sys_swapon 2 290 PTR sys_readlink /* 4085 */
310 sys sys_reboot 3 291 PTR sys_uselib
311 sys sys_old_readdir 3 292 PTR sys_swapon
312 sys sys_mips_mmap 6 /* 4090 */ 293 PTR sys_reboot
313 sys sys_munmap 2 294 PTR sys_old_readdir
314 sys sys_truncate 2 295 PTR sys_mips_mmap /* 4090 */
315 sys sys_ftruncate 2 296 PTR sys_munmap
316 sys sys_fchmod 2 297 PTR sys_truncate
317 sys sys_fchown 3 /* 4095 */ 298 PTR sys_ftruncate
318 sys sys_getpriority 2 299 PTR sys_fchmod
319 sys sys_setpriority 3 300 PTR sys_fchown /* 4095 */
320 sys sys_ni_syscall 0 301 PTR sys_getpriority
321 sys sys_statfs 2 302 PTR sys_setpriority
322 sys sys_fstatfs 2 /* 4100 */ 303 PTR sys_ni_syscall
323 sys sys_ni_syscall 0 /* was ioperm(2) */ 304 PTR sys_statfs
324 sys sys_socketcall 2 305 PTR sys_fstatfs /* 4100 */
325 sys sys_syslog 3 306 PTR sys_ni_syscall /* was ioperm(2) */
326 sys sys_setitimer 3 307 PTR sys_socketcall
327 sys sys_getitimer 2 /* 4105 */ 308 PTR sys_syslog
328 sys sys_newstat 2 309 PTR sys_setitimer
329 sys sys_newlstat 2 310 PTR sys_getitimer /* 4105 */
330 sys sys_newfstat 2 311 PTR sys_newstat
331 sys sys_uname 1 312 PTR sys_newlstat
332 sys sys_ni_syscall 0 /* 4110 was iopl(2) */ 313 PTR sys_newfstat
333 sys sys_vhangup 0 314 PTR sys_uname
334 sys sys_ni_syscall 0 /* was sys_idle() */ 315 PTR sys_ni_syscall /* 4110 was iopl(2) */
335 sys sys_ni_syscall 0 /* was sys_vm86 */ 316 PTR sys_vhangup
336 sys sys_wait4 4 317 PTR sys_ni_syscall /* was sys_idle() */
337 sys sys_swapoff 1 /* 4115 */ 318 PTR sys_ni_syscall /* was sys_vm86 */
338 sys sys_sysinfo 1 319 PTR sys_wait4
339 sys sys_ipc 6 320 PTR sys_swapoff /* 4115 */
340 sys sys_fsync 1 321 PTR sys_sysinfo
341 sys sys_sigreturn 0 322 PTR sys_ipc
342 sys __sys_clone 6 /* 4120 */ 323 PTR sys_fsync
343 sys sys_setdomainname 2 324 PTR sys_sigreturn
344 sys sys_newuname 1 325 PTR __sys_clone /* 4120 */
345 sys sys_ni_syscall 0 /* sys_modify_ldt */ 326 PTR sys_setdomainname
346 sys sys_adjtimex 1 327 PTR sys_newuname
347 sys sys_mprotect 3 /* 4125 */ 328 PTR sys_ni_syscall /* sys_modify_ldt */
348 sys sys_sigprocmask 3 329 PTR sys_adjtimex
349 sys sys_ni_syscall 0 /* was create_module */ 330 PTR sys_mprotect /* 4125 */
350 sys sys_init_module 5 331 PTR sys_sigprocmask
351 sys sys_delete_module 1 332 PTR sys_ni_syscall /* was create_module */
352 sys sys_ni_syscall 0 /* 4130 was get_kernel_syms */ 333 PTR sys_init_module
353 sys sys_quotactl 4 334 PTR sys_delete_module
354 sys sys_getpgid 1 335 PTR sys_ni_syscall /* 4130 was get_kernel_syms */
355 sys sys_fchdir 1 336 PTR sys_quotactl
356 sys sys_bdflush 2 337 PTR sys_getpgid
357 sys sys_sysfs 3 /* 4135 */ 338 PTR sys_fchdir
358 sys sys_personality 1 339 PTR sys_bdflush
359 sys sys_ni_syscall 0 /* for afs_syscall */ 340 PTR sys_sysfs /* 4135 */
360 sys sys_setfsuid 1 341 PTR sys_personality
361 sys sys_setfsgid 1 342 PTR sys_ni_syscall /* for afs_syscall */
362 sys sys_llseek 5 /* 4140 */ 343 PTR sys_setfsuid
363 sys sys_getdents 3 344 PTR sys_setfsgid
364 sys sys_select 5 345 PTR sys_llseek /* 4140 */
365 sys sys_flock 2 346 PTR sys_getdents
366 sys sys_msync 3 347 PTR sys_select
367 sys sys_readv 3 /* 4145 */ 348 PTR sys_flock
368 sys sys_writev 3 349 PTR sys_msync
369 sys sys_cacheflush 3 350 PTR sys_readv /* 4145 */
370 sys sys_cachectl 3 351 PTR sys_writev
371 sys sys_sysmips 4 352 PTR sys_cacheflush
372 sys sys_ni_syscall 0 /* 4150 */ 353 PTR sys_cachectl
373 sys sys_getsid 1 354 PTR sys_sysmips
374 sys sys_fdatasync 1 355 PTR sys_ni_syscall /* 4150 */
375 sys sys_sysctl 1 356 PTR sys_getsid
376 sys sys_mlock 2 357 PTR sys_fdatasync
377 sys sys_munlock 2 /* 4155 */ 358 PTR sys_sysctl
378 sys sys_mlockall 1 359 PTR sys_mlock
379 sys sys_munlockall 0 360 PTR sys_munlock /* 4155 */
380 sys sys_sched_setparam 2 361 PTR sys_mlockall
381 sys sys_sched_getparam 2 362 PTR sys_munlockall
382 sys sys_sched_setscheduler 3 /* 4160 */ 363 PTR sys_sched_setparam
383 sys sys_sched_getscheduler 1 364 PTR sys_sched_getparam
384 sys sys_sched_yield 0 365 PTR sys_sched_setscheduler /* 4160 */
385 sys sys_sched_get_priority_max 1 366 PTR sys_sched_getscheduler
386 sys sys_sched_get_priority_min 1 367 PTR sys_sched_yield
387 sys sys_sched_rr_get_interval 2 /* 4165 */ 368 PTR sys_sched_get_priority_max
388 sys sys_nanosleep, 2 369 PTR sys_sched_get_priority_min
389 sys sys_mremap, 5 370 PTR sys_sched_rr_get_interval /* 4165 */
390 sys sys_accept 3 371 PTR sys_nanosleep
391 sys sys_bind 3 372 PTR sys_mremap
392 sys sys_connect 3 /* 4170 */ 373 PTR sys_accept
393 sys sys_getpeername 3 374 PTR sys_bind
394 sys sys_getsockname 3 375 PTR sys_connect /* 4170 */
395 sys sys_getsockopt 5 376 PTR sys_getpeername
396 sys sys_listen 2 377 PTR sys_getsockname
397 sys sys_recv 4 /* 4175 */ 378 PTR sys_getsockopt
398 sys sys_recvfrom 6 379 PTR sys_listen
399 sys sys_recvmsg 3 380 PTR sys_recv /* 4175 */
400 sys sys_send 4 381 PTR sys_recvfrom
401 sys sys_sendmsg 3 382 PTR sys_recvmsg
402 sys sys_sendto 6 /* 4180 */ 383 PTR sys_send
403 sys sys_setsockopt 5 384 PTR sys_sendmsg
404 sys sys_shutdown 2 385 PTR sys_sendto /* 4180 */
405 sys sys_socket 3 386 PTR sys_setsockopt
406 sys sys_socketpair 4 387 PTR sys_shutdown
407 sys sys_setresuid 3 /* 4185 */ 388 PTR sys_socket
408 sys sys_getresuid 3 389 PTR sys_socketpair
409 sys sys_ni_syscall 0 /* was sys_query_module */ 390 PTR sys_setresuid /* 4185 */
410 sys sys_poll 3 391 PTR sys_getresuid
411 sys sys_ni_syscall 0 /* was nfsservctl */ 392 PTR sys_ni_syscall /* was sys_query_module */
412 sys sys_setresgid 3 /* 4190 */ 393 PTR sys_poll
413 sys sys_getresgid 3 394 PTR sys_ni_syscall /* was nfsservctl */
414 sys sys_prctl 5 395 PTR sys_setresgid /* 4190 */
415 sys sys_rt_sigreturn 0 396 PTR sys_getresgid
416 sys sys_rt_sigaction 4 397 PTR sys_prctl
417 sys sys_rt_sigprocmask 4 /* 4195 */ 398 PTR sys_rt_sigreturn
418 sys sys_rt_sigpending 2 399 PTR sys_rt_sigaction
419 sys sys_rt_sigtimedwait 4 400 PTR sys_rt_sigprocmask /* 4195 */
420 sys sys_rt_sigqueueinfo 3 401 PTR sys_rt_sigpending
421 sys sys_rt_sigsuspend 0 402 PTR sys_rt_sigtimedwait
422 sys sys_pread64 6 /* 4200 */ 403 PTR sys_rt_sigqueueinfo
423 sys sys_pwrite64 6 404 PTR sys_rt_sigsuspend
424 sys sys_chown 3 405 PTR sys_pread64 /* 4200 */
425 sys sys_getcwd 2 406 PTR sys_pwrite64
426 sys sys_capget 2 407 PTR sys_chown
427 sys sys_capset 2 /* 4205 */ 408 PTR sys_getcwd
428 sys sys_sigaltstack 0 409 PTR sys_capget
429 sys sys_sendfile 4 410 PTR sys_capset /* 4205 */
430 sys sys_ni_syscall 0 411 PTR sys_sigaltstack
431 sys sys_ni_syscall 0 412 PTR sys_sendfile
432 sys sys_mips_mmap2 6 /* 4210 */ 413 PTR sys_ni_syscall
433 sys sys_truncate64 4 414 PTR sys_ni_syscall
434 sys sys_ftruncate64 4 415 PTR sys_mips_mmap2 /* 4210 */
435 sys sys_stat64 2 416 PTR sys_truncate64
436 sys sys_lstat64 2 417 PTR sys_ftruncate64
437 sys sys_fstat64 2 /* 4215 */ 418 PTR sys_stat64
438 sys sys_pivot_root 2 419 PTR sys_lstat64
439 sys sys_mincore 3 420 PTR sys_fstat64 /* 4215 */
440 sys sys_madvise 3 421 PTR sys_pivot_root
441 sys sys_getdents64 3 422 PTR sys_mincore
442 sys sys_fcntl64 3 /* 4220 */ 423 PTR sys_madvise
443 sys sys_ni_syscall 0 424 PTR sys_getdents64
444 sys sys_gettid 0 425 PTR sys_fcntl64 /* 4220 */
445 sys sys_readahead 5 426 PTR sys_ni_syscall
446 sys sys_setxattr 5 427 PTR sys_gettid
447 sys sys_lsetxattr 5 /* 4225 */ 428 PTR sys_readahead
448 sys sys_fsetxattr 5 429 PTR sys_setxattr
449 sys sys_getxattr 4 430 PTR sys_lsetxattr /* 4225 */
450 sys sys_lgetxattr 4 431 PTR sys_fsetxattr
451 sys sys_fgetxattr 4 432 PTR sys_getxattr
452 sys sys_listxattr 3 /* 4230 */ 433 PTR sys_lgetxattr
453 sys sys_llistxattr 3 434 PTR sys_fgetxattr
454 sys sys_flistxattr 3 435 PTR sys_listxattr /* 4230 */
455 sys sys_removexattr 2 436 PTR sys_llistxattr
456 sys sys_lremovexattr 2 437 PTR sys_flistxattr
457 sys sys_fremovexattr 2 /* 4235 */ 438 PTR sys_removexattr
458 sys sys_tkill 2 439 PTR sys_lremovexattr
459 sys sys_sendfile64 5 440 PTR sys_fremovexattr /* 4235 */
460 sys sys_futex 6 441 PTR sys_tkill
442 PTR sys_sendfile64
443 PTR sys_futex
461#ifdef CONFIG_MIPS_MT_FPAFF 444#ifdef CONFIG_MIPS_MT_FPAFF
462 /* 445 /*
463 * For FPU affinity scheduling on MIPS MT processors, we need to 446 * For FPU affinity scheduling on MIPS MT processors, we need to
@@ -466,132 +449,117 @@ einval: li v0, -ENOSYS
466 * these hooks for the 32-bit kernel - there is no MIPS64 MT processor 449 * these hooks for the 32-bit kernel - there is no MIPS64 MT processor
467 * atm. 450 * atm.
468 */ 451 */
469 sys mipsmt_sys_sched_setaffinity 3 452 PTR mipsmt_sys_sched_setaffinity
470 sys mipsmt_sys_sched_getaffinity 3 453 PTR mipsmt_sys_sched_getaffinity
471#else 454#else
472 sys sys_sched_setaffinity 3 455 PTR sys_sched_setaffinity
473 sys sys_sched_getaffinity 3 /* 4240 */ 456 PTR sys_sched_getaffinity /* 4240 */
474#endif /* CONFIG_MIPS_MT_FPAFF */ 457#endif /* CONFIG_MIPS_MT_FPAFF */
475 sys sys_io_setup 2 458 PTR sys_io_setup
476 sys sys_io_destroy 1 459 PTR sys_io_destroy
477 sys sys_io_getevents 5 460 PTR sys_io_getevents
478 sys sys_io_submit 3 461 PTR sys_io_submit
479 sys sys_io_cancel 3 /* 4245 */ 462 PTR sys_io_cancel /* 4245 */
480 sys sys_exit_group 1 463 PTR sys_exit_group
481 sys sys_lookup_dcookie 4 464 PTR sys_lookup_dcookie
482 sys sys_epoll_create 1 465 PTR sys_epoll_create
483 sys sys_epoll_ctl 4 466 PTR sys_epoll_ctl
484 sys sys_epoll_wait 4 /* 4250 */ 467 PTR sys_epoll_wait /* 4250 */
485 sys sys_remap_file_pages 5 468 PTR sys_remap_file_pages
486 sys sys_set_tid_address 1 469 PTR sys_set_tid_address
487 sys sys_restart_syscall 0 470 PTR sys_restart_syscall
488 sys sys_fadvise64_64 7 471 PTR sys_fadvise64_64
489 sys sys_statfs64 3 /* 4255 */ 472 PTR sys_statfs64 /* 4255 */
490 sys sys_fstatfs64 2 473 PTR sys_fstatfs64
491 sys sys_timer_create 3 474 PTR sys_timer_create
492 sys sys_timer_settime 4 475 PTR sys_timer_settime
493 sys sys_timer_gettime 2 476 PTR sys_timer_gettime
494 sys sys_timer_getoverrun 1 /* 4260 */ 477 PTR sys_timer_getoverrun /* 4260 */
495 sys sys_timer_delete 1 478 PTR sys_timer_delete
496 sys sys_clock_settime 2 479 PTR sys_clock_settime
497 sys sys_clock_gettime 2 480 PTR sys_clock_gettime
498 sys sys_clock_getres 2 481 PTR sys_clock_getres
499 sys sys_clock_nanosleep 4 /* 4265 */ 482 PTR sys_clock_nanosleep /* 4265 */
500 sys sys_tgkill 3 483 PTR sys_tgkill
501 sys sys_utimes 2 484 PTR sys_utimes
502 sys sys_mbind 4 485 PTR sys_mbind
503 sys sys_ni_syscall 0 /* sys_get_mempolicy */ 486 PTR sys_ni_syscall /* sys_get_mempolicy */
504 sys sys_ni_syscall 0 /* 4270 sys_set_mempolicy */ 487 PTR sys_ni_syscall /* 4270 sys_set_mempolicy */
505 sys sys_mq_open 4 488 PTR sys_mq_open
506 sys sys_mq_unlink 1 489 PTR sys_mq_unlink
507 sys sys_mq_timedsend 5 490 PTR sys_mq_timedsend
508 sys sys_mq_timedreceive 5 491 PTR sys_mq_timedreceive
509 sys sys_mq_notify 2 /* 4275 */ 492 PTR sys_mq_notify /* 4275 */
510 sys sys_mq_getsetattr 3 493 PTR sys_mq_getsetattr
511 sys sys_ni_syscall 0 /* sys_vserver */ 494 PTR sys_ni_syscall /* sys_vserver */
512 sys sys_waitid 5 495 PTR sys_waitid
513 sys sys_ni_syscall 0 /* available, was setaltroot */ 496 PTR sys_ni_syscall /* available, was setaltroot */
514 sys sys_add_key 5 /* 4280 */ 497 PTR sys_add_key /* 4280 */
515 sys sys_request_key 4 498 PTR sys_request_key
516 sys sys_keyctl 5 499 PTR sys_keyctl
517 sys sys_set_thread_area 1 500 PTR sys_set_thread_area
518 sys sys_inotify_init 0 501 PTR sys_inotify_init
519 sys sys_inotify_add_watch 3 /* 4285 */ 502 PTR sys_inotify_add_watch /* 4285 */
520 sys sys_inotify_rm_watch 2 503 PTR sys_inotify_rm_watch
521 sys sys_migrate_pages 4 504 PTR sys_migrate_pages
522 sys sys_openat 4 505 PTR sys_openat
523 sys sys_mkdirat 3 506 PTR sys_mkdirat
524 sys sys_mknodat 4 /* 4290 */ 507 PTR sys_mknodat /* 4290 */
525 sys sys_fchownat 5 508 PTR sys_fchownat
526 sys sys_futimesat 3 509 PTR sys_futimesat
527 sys sys_fstatat64 4 510 PTR sys_fstatat64
528 sys sys_unlinkat 3 511 PTR sys_unlinkat
529 sys sys_renameat 4 /* 4295 */ 512 PTR sys_renameat /* 4295 */
530 sys sys_linkat 5 513 PTR sys_linkat
531 sys sys_symlinkat 3 514 PTR sys_symlinkat
532 sys sys_readlinkat 4 515 PTR sys_readlinkat
533 sys sys_fchmodat 3 516 PTR sys_fchmodat
534 sys sys_faccessat 3 /* 4300 */ 517 PTR sys_faccessat /* 4300 */
535 sys sys_pselect6 6 518 PTR sys_pselect6
536 sys sys_ppoll 5 519 PTR sys_ppoll
537 sys sys_unshare 1 520 PTR sys_unshare
538 sys sys_splice 6 521 PTR sys_splice
539 sys sys_sync_file_range 7 /* 4305 */ 522 PTR sys_sync_file_range /* 4305 */
540 sys sys_tee 4 523 PTR sys_tee
541 sys sys_vmsplice 4 524 PTR sys_vmsplice
542 sys sys_move_pages 6 525 PTR sys_move_pages
543 sys sys_set_robust_list 2 526 PTR sys_set_robust_list
544 sys sys_get_robust_list 3 /* 4310 */ 527 PTR sys_get_robust_list /* 4310 */
545 sys sys_kexec_load 4 528 PTR sys_kexec_load
546 sys sys_getcpu 3 529 PTR sys_getcpu
547 sys sys_epoll_pwait 6 530 PTR sys_epoll_pwait
548 sys sys_ioprio_set 3 531 PTR sys_ioprio_set
549 sys sys_ioprio_get 2 /* 4315 */ 532 PTR sys_ioprio_get /* 4315 */
550 sys sys_utimensat 4 533 PTR sys_utimensat
551 sys sys_signalfd 3 534 PTR sys_signalfd
552 sys sys_ni_syscall 0 /* was timerfd */ 535 PTR sys_ni_syscall /* was timerfd */
553 sys sys_eventfd 1 536 PTR sys_eventfd
554 sys sys_fallocate 6 /* 4320 */ 537 PTR sys_fallocate /* 4320 */
555 sys sys_timerfd_create 2 538 PTR sys_timerfd_create
556 sys sys_timerfd_gettime 2 539 PTR sys_timerfd_gettime
557 sys sys_timerfd_settime 4 540 PTR sys_timerfd_settime
558 sys sys_signalfd4 4 541 PTR sys_signalfd4
559 sys sys_eventfd2 2 /* 4325 */ 542 PTR sys_eventfd2 /* 4325 */
560 sys sys_epoll_create1 1 543 PTR sys_epoll_create1
561 sys sys_dup3 3 544 PTR sys_dup3
562 sys sys_pipe2 2 545 PTR sys_pipe2
563 sys sys_inotify_init1 1 546 PTR sys_inotify_init1
564 sys sys_preadv 6 /* 4330 */ 547 PTR sys_preadv /* 4330 */
565 sys sys_pwritev 6 548 PTR sys_pwritev
566 sys sys_rt_tgsigqueueinfo 4 549 PTR sys_rt_tgsigqueueinfo
567 sys sys_perf_event_open 5 550 PTR sys_perf_event_open
568 sys sys_accept4 4 551 PTR sys_accept4
569 sys sys_recvmmsg 5 /* 4335 */ 552 PTR sys_recvmmsg /* 4335 */
570 sys sys_fanotify_init 2 553 PTR sys_fanotify_init
571 sys sys_fanotify_mark 6 554 PTR sys_fanotify_mark
572 sys sys_prlimit64 4 555 PTR sys_prlimit64
573 sys sys_name_to_handle_at 5 556 PTR sys_name_to_handle_at
574 sys sys_open_by_handle_at 3 /* 4340 */ 557 PTR sys_open_by_handle_at /* 4340 */
575 sys sys_clock_adjtime 2 558 PTR sys_clock_adjtime
576 sys sys_syncfs 1 559 PTR sys_syncfs
577 sys sys_sendmmsg 4 560 PTR sys_sendmmsg
578 sys sys_setns 2 561 PTR sys_setns
579 sys sys_process_vm_readv 6 /* 4345 */ 562 PTR sys_process_vm_readv /* 4345 */
580 sys sys_process_vm_writev 6 563 PTR sys_process_vm_writev
581 sys sys_kcmp 5 564 PTR sys_kcmp
582 sys sys_finit_module 3 565 PTR sys_finit_module
583 .endm
584
585 /* We pre-compute the number of _instruction_ bytes needed to
586 load or store the arguments 6-8. Negative values are ignored. */
587
588 .macro sys function, nargs
589 PTR \function
590 LONG (\nargs << 2) - (5 << 2)
591 .endm
592
593 .align 3
594 .type sys_call_table,@object
595EXPORT(sys_call_table)
596 syscalltable
597 .size sys_call_table, . - sys_call_table
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-28 16:30:20 -0500