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 j syscall_exit_partial
75 /* ------------------------------------------------------------------------ */
77 n32_syscall_trace_entry:
81 jal syscall_trace_enter
85 ld a0, PT_R4(sp) # Restore argument registers
93 li t0, -EMAXERRNO - 1 # error?
95 sd t0, PT_R7(sp) # set error flag
98 ld t1, PT_R2(sp) # syscall number
100 sd t1, PT_R0(sp) # save it for syscall restarting
101 1: sd v0, PT_R2(sp) # result
106 /* This is not an n32 compatibility syscall, pass it on to
107 the n64 syscall handlers. */
112 EXPORT(sysn32_call_table)
113 PTR sys_read /* 6000 */
118 PTR sys_newfstat /* 6005 */
123 PTR sys_mprotect /* 6010 */
126 PTR sys_32_rt_sigaction
127 PTR sys_32_rt_sigprocmask
128 PTR compat_sys_ioctl /* 6015 */
132 PTR compat_sys_writev
133 PTR sys_access /* 6020 */
135 PTR compat_sys_select
138 PTR sys_msync /* 6025 */
143 PTR compat_sys_shmctl /* 6030 */
147 PTR compat_sys_nanosleep
148 PTR compat_sys_getitimer /* 6035 */
149 PTR compat_sys_setitimer
153 PTR sys_socket /* 6040 */
157 PTR compat_sys_recvfrom
158 PTR compat_sys_sendmsg /* 6045 */
159 PTR compat_sys_recvmsg
163 PTR sys_getsockname /* 6050 */
166 PTR compat_sys_setsockopt
168 PTR sys_clone /* 6055 */
173 PTR sys_kill /* 6060 */
178 PTR sys_shmdt /* 6065 */
182 PTR compat_sys_msgctl
183 PTR compat_sys_fcntl /* 6070 */
188 PTR sys_ftruncate /* 6075 */
189 PTR compat_sys_getdents
193 PTR sys_rename /* 6080 */
198 PTR sys_unlink /* 6085 */
203 PTR sys_chown /* 6090 */
207 PTR compat_sys_gettimeofday
208 PTR compat_sys_getrlimit /* 6095 */
209 PTR compat_sys_getrusage
210 PTR compat_sys_sysinfo
212 PTR compat_sys_ptrace
213 PTR sys_getuid /* 6100 */
218 PTR sys_geteuid /* 6105 */
223 PTR sys_setsid /* 6110 */
228 PTR sys_setresuid /* 6115 */
233 PTR sys_setfsuid /* 6120 */
238 PTR sys_32_rt_sigpending /* 6125 */
239 PTR compat_sys_rt_sigtimedwait
240 PTR sys_32_rt_sigqueueinfo
241 PTR sysn32_rt_sigsuspend
242 PTR sys32_sigaltstack
243 PTR compat_sys_utime /* 6130 */
245 PTR sys_32_personality
247 PTR compat_sys_statfs
248 PTR compat_sys_fstatfs /* 6135 */
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
258 PTR sys_32_sched_rr_get_interval /* 6145 */
263 PTR sys_vhangup /* 6150 */
265 PTR compat_sys_sysctl
267 PTR compat_sys_adjtimex
268 PTR compat_sys_setrlimit /* 6155 */
272 PTR compat_sys_settimeofday
273 PTR compat_sys_mount /* 6160 */
278 PTR sys_sethostname /* 6165 */
279 PTR sys_setdomainname
280 PTR sys_ni_syscall /* was create_module */
282 PTR sys_delete_module
283 PTR sys_ni_syscall /* 6170, was get_kernel_syms */
284 PTR sys_ni_syscall /* was query_module */
286 PTR sys_ni_syscall /* was nfsservctl */
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 */
293 PTR sys_setxattr /* 6180 */
298 PTR sys_fgetxattr /* 6185 */
303 PTR sys_lremovexattr /* 6190 */
308 PTR compat_sys_sched_setaffinity /* 6195 */
309 PTR compat_sys_sched_getaffinity
313 PTR compat_sys_io_setup /* 6200 */
315 PTR compat_sys_io_getevents
316 PTR compat_sys_io_submit
318 PTR sys_exit_group /* 6205 */
319 PTR sys_lookup_dcookie
323 PTR sys_remap_file_pages /* 6210 */
324 PTR sysn32_rt_sigreturn
325 PTR compat_sys_fcntl64
326 PTR sys_set_tid_address
327 PTR sys_restart_syscall
328 PTR compat_sys_semtimedop /* 6215 */
330 PTR compat_sys_statfs64
331 PTR compat_sys_fstatfs64
333 PTR compat_sys_timer_create /* 6220 */
334 PTR compat_sys_timer_settime
335 PTR compat_sys_timer_gettime
336 PTR sys_timer_getoverrun
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
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 */
354 PTR compat_sys_waitid
355 PTR sys_ni_syscall /* available, was setaltroot */
358 PTR sys_keyctl /* 6245 */
359 PTR sys_set_thread_area
361 PTR sys_inotify_add_watch
362 PTR sys_inotify_rm_watch
363 PTR sys_migrate_pages /* 6250 */
368 PTR compat_sys_futimesat /* 6255 */
373 PTR sys_symlinkat /* 6260 */
377 PTR compat_sys_pselect6
378 PTR compat_sys_ppoll /* 6265 */
381 PTR sys_sync_file_range
383 PTR compat_sys_vmsplice /* 6270 */
385 PTR compat_sys_set_robust_list
386 PTR compat_sys_get_robust_list
387 PTR compat_sys_kexec_load
388 PTR sys_getcpu /* 6275 */
389 PTR compat_sys_epoll_pwait
392 PTR compat_sys_utimensat
393 PTR compat_sys_signalfd /* 6280 */
394 PTR sys_ni_syscall /* was timerfd */
397 PTR sys_timerfd_create
398 PTR compat_sys_timerfd_gettime /* 6285 */
399 PTR compat_sys_timerfd_settime
400 PTR compat_sys_signalfd4
402 PTR sys_epoll_create1
403 PTR sys_dup3 /* 6290 */
405 PTR sys_inotify_init1
406 PTR compat_sys_preadv
407 PTR compat_sys_pwritev
408 PTR compat_sys_rt_tgsigqueueinfo /* 6295 */
409 PTR sys_perf_event_open
411 PTR compat_sys_recvmmsg
413 PTR sys_fanotify_init /* 6300 */
414 PTR sys_fanotify_mark
416 PTR sys_name_to_handle_at
417 PTR sys_open_by_handle_at
418 PTR compat_sys_clock_adjtime /* 6305 */
420 PTR compat_sys_sendmmsg
422 PTR compat_sys_process_vm_readv
423 PTR compat_sys_process_vm_writev /* 6310 */
425 .size sysn32_call_table,.-sysn32_call_table