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
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.
10 #include <linux/errno.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 /* This duplicates the definition from <linux/sched.h> */
21 #define PT_TRACESYS 0x00000002 /* tracing system calls */
23 /* This duplicates the definition from <asm/signal.h> */
24 #define SIGILL 4 /* Illegal instruction (ANSI). */
26 #ifndef CONFIG_MIPS32_O32
27 /* No O32, so define handle_sys here */
28 #define handle_sysn32 handle_sys
32 NESTED(handle_sysn32, PT_SIZE, sp)
33 #ifndef CONFIG_MIPS32_O32
41 dsubu t0, v0, __NR_N32_Linux # check syscall number
42 sltiu t0, t0, __NR_N32_Linux_syscalls + 1
44 #ifndef CONFIG_MIPS32_O32
45 ld t1, PT_EPC(sp) # skip syscall on return
46 daddiu t1, 4 # skip to next instruction
49 beqz t0, not_n32_scall
51 dsll t0, v0, 3 # offset into table
52 ld t2, (sysn32_call_table - (__NR_N32_Linux * 8))(t0)
54 sd a3, PT_R26(sp) # save a3 for syscall restarting
56 li t1, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT
57 LONG_L t0, TI_FLAGS($28) # syscall tracing enabled?
59 bnez t0, n32_syscall_trace_entry
61 jalr t2 # Do The Real Thing (TM)
63 li t0, -EMAXERRNO - 1 # error?
65 sd t0, PT_R7(sp) # set error flag
68 ld t1, PT_R2(sp) # syscall number
70 sd t1, PT_R0(sp) # save it for syscall restarting
71 1: sd v0, PT_R2(sp) # result
73 local_irq_disable # make sure need_resched and
74 # signals dont change between
76 LONG_L a2, TI_FLAGS($28) # current->work
77 li t0, _TIF_ALLWORK_MASK
79 bnez t0, n32_syscall_exit_work
83 n32_syscall_exit_work:
84 j syscall_exit_work_partial
86 /* ------------------------------------------------------------------------ */
88 n32_syscall_trace_entry:
92 jal syscall_trace_enter
96 ld a0, PT_R4(sp) # Restore argument registers
104 li t0, -EMAXERRNO - 1 # error?
106 sd t0, PT_R7(sp) # set error flag
109 ld t1, PT_R2(sp) # syscall number
111 sd t1, PT_R0(sp) # save it for syscall restarting
112 1: sd v0, PT_R2(sp) # result
117 /* This is not an n32 compatibility syscall, pass it on to
118 the n64 syscall handlers. */
123 EXPORT(sysn32_call_table)
124 PTR sys_read /* 6000 */
129 PTR sys_newfstat /* 6005 */
134 PTR sys_mprotect /* 6010 */
137 PTR sys_32_rt_sigaction
138 PTR sys_32_rt_sigprocmask
139 PTR compat_sys_ioctl /* 6015 */
143 PTR compat_sys_writev
144 PTR sys_access /* 6020 */
146 PTR compat_sys_select
149 PTR sys_msync /* 6025 */
154 PTR compat_sys_shmctl /* 6030 */
158 PTR compat_sys_nanosleep
159 PTR compat_sys_getitimer /* 6035 */
160 PTR compat_sys_setitimer
164 PTR sys_socket /* 6040 */
168 PTR compat_sys_recvfrom
169 PTR compat_sys_sendmsg /* 6045 */
170 PTR compat_sys_recvmsg
174 PTR sys_getsockname /* 6050 */
177 PTR compat_sys_setsockopt
179 PTR sys_clone /* 6055 */
184 PTR sys_kill /* 6060 */
189 PTR sys_shmdt /* 6065 */
193 PTR compat_sys_msgctl
194 PTR compat_sys_fcntl /* 6070 */
199 PTR sys_ftruncate /* 6075 */
200 PTR compat_sys_getdents
204 PTR sys_rename /* 6080 */
209 PTR sys_unlink /* 6085 */
214 PTR sys_chown /* 6090 */
218 PTR compat_sys_gettimeofday
219 PTR compat_sys_getrlimit /* 6095 */
220 PTR compat_sys_getrusage
221 PTR compat_sys_sysinfo
223 PTR compat_sys_ptrace
224 PTR sys_getuid /* 6100 */
229 PTR sys_geteuid /* 6105 */
234 PTR sys_setsid /* 6110 */
239 PTR sys_setresuid /* 6115 */
244 PTR sys_setfsuid /* 6120 */
249 PTR sys_32_rt_sigpending /* 6125 */
250 PTR compat_sys_rt_sigtimedwait
251 PTR sys_32_rt_sigqueueinfo
252 PTR sysn32_rt_sigsuspend
253 PTR sys32_sigaltstack
254 PTR compat_sys_utime /* 6130 */
256 PTR sys_32_personality
258 PTR compat_sys_statfs
259 PTR compat_sys_fstatfs /* 6135 */
263 PTR sys_sched_setparam
264 PTR sys_sched_getparam /* 6140 */
265 PTR sys_sched_setscheduler
266 PTR sys_sched_getscheduler
267 PTR sys_sched_get_priority_max
268 PTR sys_sched_get_priority_min
269 PTR sys_32_sched_rr_get_interval /* 6145 */
274 PTR sys_vhangup /* 6150 */
276 PTR compat_sys_sysctl
278 PTR compat_sys_adjtimex
279 PTR compat_sys_setrlimit /* 6155 */
283 PTR compat_sys_settimeofday
284 PTR compat_sys_mount /* 6160 */
289 PTR sys_sethostname /* 6165 */
290 PTR sys_setdomainname
291 PTR sys_ni_syscall /* was create_module */
293 PTR sys_delete_module
294 PTR sys_ni_syscall /* 6170, was get_kernel_syms */
295 PTR sys_ni_syscall /* was query_module */
297 PTR sys_ni_syscall /* was nfsservctl */
298 PTR sys_ni_syscall /* res. for getpmsg */
299 PTR sys_ni_syscall /* 6175 for putpmsg */
300 PTR sys_ni_syscall /* res. for afs_syscall */
301 PTR sys_ni_syscall /* res. for security */
304 PTR sys_setxattr /* 6180 */
309 PTR sys_fgetxattr /* 6185 */
314 PTR sys_lremovexattr /* 6190 */
319 PTR compat_sys_sched_setaffinity /* 6195 */
320 PTR compat_sys_sched_getaffinity
324 PTR compat_sys_io_setup /* 6200 */
326 PTR compat_sys_io_getevents
327 PTR compat_sys_io_submit
329 PTR sys_exit_group /* 6205 */
330 PTR sys_lookup_dcookie
334 PTR sys_remap_file_pages /* 6210 */
335 PTR sysn32_rt_sigreturn
336 PTR compat_sys_fcntl64
337 PTR sys_set_tid_address
338 PTR sys_restart_syscall
339 PTR compat_sys_semtimedop /* 6215 */
341 PTR compat_sys_statfs64
342 PTR compat_sys_fstatfs64
344 PTR compat_sys_timer_create /* 6220 */
345 PTR compat_sys_timer_settime
346 PTR compat_sys_timer_gettime
347 PTR sys_timer_getoverrun
349 PTR compat_sys_clock_settime /* 6225 */
350 PTR compat_sys_clock_gettime
351 PTR compat_sys_clock_getres
352 PTR compat_sys_clock_nanosleep
354 PTR compat_sys_utimes /* 6230 */
355 PTR sys_ni_syscall /* sys_mbind */
356 PTR sys_ni_syscall /* sys_get_mempolicy */
357 PTR sys_ni_syscall /* sys_set_mempolicy */
358 PTR compat_sys_mq_open
359 PTR sys_mq_unlink /* 6235 */
360 PTR compat_sys_mq_timedsend
361 PTR compat_sys_mq_timedreceive
362 PTR compat_sys_mq_notify
363 PTR compat_sys_mq_getsetattr
364 PTR sys_ni_syscall /* 6240, sys_vserver */
365 PTR compat_sys_waitid
366 PTR sys_ni_syscall /* available, was setaltroot */
369 PTR sys_keyctl /* 6245 */
370 PTR sys_set_thread_area
372 PTR sys_inotify_add_watch
373 PTR sys_inotify_rm_watch
374 PTR sys_migrate_pages /* 6250 */
379 PTR compat_sys_futimesat /* 6255 */
384 PTR sys_symlinkat /* 6260 */
388 PTR compat_sys_pselect6
389 PTR compat_sys_ppoll /* 6265 */
392 PTR sys_sync_file_range
394 PTR compat_sys_vmsplice /* 6270 */
396 PTR compat_sys_set_robust_list
397 PTR compat_sys_get_robust_list
398 PTR compat_sys_kexec_load
399 PTR sys_getcpu /* 6275 */
400 PTR compat_sys_epoll_pwait
403 PTR compat_sys_utimensat
404 PTR compat_sys_signalfd /* 6280 */
405 PTR sys_ni_syscall /* was timerfd */
408 PTR sys_timerfd_create
409 PTR compat_sys_timerfd_gettime /* 6285 */
410 PTR compat_sys_timerfd_settime
413 PTR sys_epoll_create1
414 PTR sys_dup3 /* 6290 */
416 PTR sys_inotify_init1
419 PTR compat_sys_rt_tgsigqueueinfo /* 6295 */
420 PTR sys_perf_event_open
422 PTR compat_sys_recvmmsg
424 PTR sys_fanotify_init /* 6300 */
425 PTR sys_fanotify_mark
427 PTR sys_name_to_handle_at
428 PTR sys_open_by_handle_at
429 PTR compat_sys_clock_adjtime /* 6305 */
431 PTR compat_sys_sendmmsg
433 PTR compat_sys_process_vm_readv
434 PTR compat_sys_process_vm_writev /* 6310 */
435 .size sysn32_call_table,.-sysn32_call_table