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Linux kernel mirror (for testing)
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1/* $Id: unistd.h,v 1.74 2002/02/08 03:57:18 davem Exp $ */
2#ifndef _SPARC_UNISTD_H
3#define _SPARC_UNISTD_H
4
5/*
6 * System calls under the Sparc.
7 *
8 * Don't be scared by the ugly clobbers, it is the only way I can
9 * think of right now to force the arguments into fixed registers
10 * before the trap into the system call with gcc 'asm' statements.
11 *
12 * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
13 *
14 * SunOS compatibility based upon preliminary work which is:
15 *
16 * Copyright (C) 1995 Adrian M. Rodriguez (adrian@remus.rutgers.edu)
17 */
18
19#define __NR_restart_syscall 0 /* Linux Specific */
20#define __NR_exit 1 /* Common */
21#define __NR_fork 2 /* Common */
22#define __NR_read 3 /* Common */
23#define __NR_write 4 /* Common */
24#define __NR_open 5 /* Common */
25#define __NR_close 6 /* Common */
26#define __NR_wait4 7 /* Common */
27#define __NR_creat 8 /* Common */
28#define __NR_link 9 /* Common */
29#define __NR_unlink 10 /* Common */
30#define __NR_execv 11 /* SunOS Specific */
31#define __NR_chdir 12 /* Common */
32#define __NR_chown 13 /* Common */
33#define __NR_mknod 14 /* Common */
34#define __NR_chmod 15 /* Common */
35#define __NR_lchown 16 /* Common */
36#define __NR_brk 17 /* Common */
37#define __NR_perfctr 18 /* Performance counter operations */
38#define __NR_lseek 19 /* Common */
39#define __NR_getpid 20 /* Common */
40#define __NR_capget 21 /* Linux Specific */
41#define __NR_capset 22 /* Linux Specific */
42#define __NR_setuid 23 /* Implemented via setreuid in SunOS */
43#define __NR_getuid 24 /* Common */
44/* #define __NR_time alias 25 ENOSYS under SunOS */
45#define __NR_ptrace 26 /* Common */
46#define __NR_alarm 27 /* Implemented via setitimer in SunOS */
47#define __NR_sigaltstack 28 /* Common */
48#define __NR_pause 29 /* Is sigblock(0)->sigpause() in SunOS */
49#define __NR_utime 30 /* Implemented via utimes() under SunOS */
50#define __NR_lchown32 31 /* Linux sparc32 specific */
51#define __NR_fchown32 32 /* Linux sparc32 specific */
52#define __NR_access 33 /* Common */
53#define __NR_nice 34 /* Implemented via get/setpriority() in SunOS */
54#define __NR_chown32 35 /* Linux sparc32 specific */
55#define __NR_sync 36 /* Common */
56#define __NR_kill 37 /* Common */
57#define __NR_stat 38 /* Common */
58#define __NR_sendfile 39 /* Linux Specific */
59#define __NR_lstat 40 /* Common */
60#define __NR_dup 41 /* Common */
61#define __NR_pipe 42 /* Common */
62#define __NR_times 43 /* Implemented via getrusage() in SunOS */
63#define __NR_getuid32 44 /* Linux sparc32 specific */
64#define __NR_umount2 45 /* Linux Specific */
65#define __NR_setgid 46 /* Implemented via setregid() in SunOS */
66#define __NR_getgid 47 /* Common */
67#define __NR_signal 48 /* Implemented via sigvec() in SunOS */
68#define __NR_geteuid 49 /* SunOS calls getuid() */
69#define __NR_getegid 50 /* SunOS calls getgid() */
70#define __NR_acct 51 /* Common */
71/* #define __NR_memory_ordering 52 Linux sparc64 specific */
72#define __NR_getgid32 53 /* Linux sparc32 specific */
73#define __NR_ioctl 54 /* Common */
74#define __NR_reboot 55 /* Common */
75#define __NR_mmap2 56 /* Linux sparc32 Specific */
76#define __NR_symlink 57 /* Common */
77#define __NR_readlink 58 /* Common */
78#define __NR_execve 59 /* Common */
79#define __NR_umask 60 /* Common */
80#define __NR_chroot 61 /* Common */
81#define __NR_fstat 62 /* Common */
82#define __NR_fstat64 63 /* Linux Specific */
83#define __NR_getpagesize 64 /* Common */
84#define __NR_msync 65 /* Common in newer 1.3.x revs... */
85#define __NR_vfork 66 /* Common */
86#define __NR_pread64 67 /* Linux Specific */
87#define __NR_pwrite64 68 /* Linux Specific */
88#define __NR_geteuid32 69 /* Linux sparc32, sbrk under SunOS */
89#define __NR_getegid32 70 /* Linux sparc32, sstk under SunOS */
90#define __NR_mmap 71 /* Common */
91#define __NR_setreuid32 72 /* Linux sparc32, vadvise under SunOS */
92#define __NR_munmap 73 /* Common */
93#define __NR_mprotect 74 /* Common */
94#define __NR_madvise 75 /* Common */
95#define __NR_vhangup 76 /* Common */
96#define __NR_truncate64 77 /* Linux sparc32 Specific */
97#define __NR_mincore 78 /* Common */
98#define __NR_getgroups 79 /* Common */
99#define __NR_setgroups 80 /* Common */
100#define __NR_getpgrp 81 /* Common */
101#define __NR_setgroups32 82 /* Linux sparc32, setpgrp under SunOS */
102#define __NR_setitimer 83 /* Common */
103#define __NR_ftruncate64 84 /* Linux sparc32 Specific */
104#define __NR_swapon 85 /* Common */
105#define __NR_getitimer 86 /* Common */
106#define __NR_setuid32 87 /* Linux sparc32, gethostname under SunOS */
107#define __NR_sethostname 88 /* Common */
108#define __NR_setgid32 89 /* Linux sparc32, getdtablesize under SunOS */
109#define __NR_dup2 90 /* Common */
110#define __NR_setfsuid32 91 /* Linux sparc32, getdopt under SunOS */
111#define __NR_fcntl 92 /* Common */
112#define __NR_select 93 /* Common */
113#define __NR_setfsgid32 94 /* Linux sparc32, setdopt under SunOS */
114#define __NR_fsync 95 /* Common */
115#define __NR_setpriority 96 /* Common */
116#define __NR_socket 97 /* Common */
117#define __NR_connect 98 /* Common */
118#define __NR_accept 99 /* Common */
119#define __NR_getpriority 100 /* Common */
120#define __NR_rt_sigreturn 101 /* Linux Specific */
121#define __NR_rt_sigaction 102 /* Linux Specific */
122#define __NR_rt_sigprocmask 103 /* Linux Specific */
123#define __NR_rt_sigpending 104 /* Linux Specific */
124#define __NR_rt_sigtimedwait 105 /* Linux Specific */
125#define __NR_rt_sigqueueinfo 106 /* Linux Specific */
126#define __NR_rt_sigsuspend 107 /* Linux Specific */
127#define __NR_setresuid32 108 /* Linux Specific, sigvec under SunOS */
128#define __NR_getresuid32 109 /* Linux Specific, sigblock under SunOS */
129#define __NR_setresgid32 110 /* Linux Specific, sigsetmask under SunOS */
130#define __NR_getresgid32 111 /* Linux Specific, sigpause under SunOS */
131#define __NR_setregid32 112 /* Linux sparc32, sigstack under SunOS */
132#define __NR_recvmsg 113 /* Common */
133#define __NR_sendmsg 114 /* Common */
134#define __NR_getgroups32 115 /* Linux sparc32, vtrace under SunOS */
135#define __NR_gettimeofday 116 /* Common */
136#define __NR_getrusage 117 /* Common */
137#define __NR_getsockopt 118 /* Common */
138#define __NR_getcwd 119 /* Linux Specific */
139#define __NR_readv 120 /* Common */
140#define __NR_writev 121 /* Common */
141#define __NR_settimeofday 122 /* Common */
142#define __NR_fchown 123 /* Common */
143#define __NR_fchmod 124 /* Common */
144#define __NR_recvfrom 125 /* Common */
145#define __NR_setreuid 126 /* Common */
146#define __NR_setregid 127 /* Common */
147#define __NR_rename 128 /* Common */
148#define __NR_truncate 129 /* Common */
149#define __NR_ftruncate 130 /* Common */
150#define __NR_flock 131 /* Common */
151#define __NR_lstat64 132 /* Linux Specific */
152#define __NR_sendto 133 /* Common */
153#define __NR_shutdown 134 /* Common */
154#define __NR_socketpair 135 /* Common */
155#define __NR_mkdir 136 /* Common */
156#define __NR_rmdir 137 /* Common */
157#define __NR_utimes 138 /* SunOS Specific */
158#define __NR_stat64 139 /* Linux Specific */
159#define __NR_sendfile64 140 /* adjtime under SunOS */
160#define __NR_getpeername 141 /* Common */
161#define __NR_futex 142 /* gethostid under SunOS */
162#define __NR_gettid 143 /* ENOSYS under SunOS */
163#define __NR_getrlimit 144 /* Common */
164#define __NR_setrlimit 145 /* Common */
165#define __NR_pivot_root 146 /* Linux Specific, killpg under SunOS */
166#define __NR_prctl 147 /* ENOSYS under SunOS */
167#define __NR_pciconfig_read 148 /* ENOSYS under SunOS */
168#define __NR_pciconfig_write 149 /* ENOSYS under SunOS */
169#define __NR_getsockname 150 /* Common */
170/* #define __NR_getmsg 151 SunOS Specific */
171/* #define __NR_putmsg 152 SunOS Specific */
172#define __NR_poll 153 /* Common */
173#define __NR_getdents64 154 /* Linux specific */
174#define __NR_fcntl64 155 /* Linux sparc32 Specific */
175/* #define __NR_getdirentires 156 SunOS Specific */
176#define __NR_statfs 157 /* Common */
177#define __NR_fstatfs 158 /* Common */
178#define __NR_umount 159 /* Common */
179#define __NR_sched_set_affinity 160 /* Linux specific, async_daemon under SunOS */
180#define __NR_sched_get_affinity 161 /* Linux specific, getfh under SunOS */
181#define __NR_getdomainname 162 /* SunOS Specific */
182#define __NR_setdomainname 163 /* Common */
183/* #define __NR_ni_syscall 164 ENOSYS under SunOS */
184#define __NR_quotactl 165 /* Common */
185#define __NR_set_tid_address 166 /* Linux specific, exportfs under SunOS */
186#define __NR_mount 167 /* Common */
187#define __NR_ustat 168 /* Common */
188#define __NR_setxattr 169 /* SunOS: semsys */
189#define __NR_lsetxattr 170 /* SunOS: msgsys */
190#define __NR_fsetxattr 171 /* SunOS: shmsys */
191#define __NR_getxattr 172 /* SunOS: auditsys */
192#define __NR_lgetxattr 173 /* SunOS: rfssys */
193#define __NR_getdents 174 /* Common */
194#define __NR_setsid 175 /* Common */
195#define __NR_fchdir 176 /* Common */
196#define __NR_fgetxattr 177 /* SunOS: fchroot */
197#define __NR_listxattr 178 /* SunOS: vpixsys */
198#define __NR_llistxattr 179 /* SunOS: aioread */
199#define __NR_flistxattr 180 /* SunOS: aiowrite */
200#define __NR_removexattr 181 /* SunOS: aiowait */
201#define __NR_lremovexattr 182 /* SunOS: aiocancel */
202#define __NR_sigpending 183 /* Common */
203#define __NR_query_module 184 /* Linux Specific */
204#define __NR_setpgid 185 /* Common */
205#define __NR_fremovexattr 186 /* SunOS: pathconf */
206#define __NR_tkill 187 /* SunOS: fpathconf */
207#define __NR_exit_group 188 /* Linux specific, sysconf undef SunOS */
208#define __NR_uname 189 /* Linux Specific */
209#define __NR_init_module 190 /* Linux Specific */
210#define __NR_personality 191 /* Linux Specific */
211#define __NR_remap_file_pages 192 /* Linux Specific */
212#define __NR_epoll_create 193 /* Linux Specific */
213#define __NR_epoll_ctl 194 /* Linux Specific */
214#define __NR_epoll_wait 195 /* Linux Specific */
215/* #define __NR_ulimit 196 Linux Specific */
216#define __NR_getppid 197 /* Linux Specific */
217#define __NR_sigaction 198 /* Linux Specific */
218#define __NR_sgetmask 199 /* Linux Specific */
219#define __NR_ssetmask 200 /* Linux Specific */
220#define __NR_sigsuspend 201 /* Linux Specific */
221#define __NR_oldlstat 202 /* Linux Specific */
222#define __NR_uselib 203 /* Linux Specific */
223#define __NR_readdir 204 /* Linux Specific */
224#define __NR_readahead 205 /* Linux Specific */
225#define __NR_socketcall 206 /* Linux Specific */
226#define __NR_syslog 207 /* Linux Specific */
227#define __NR_lookup_dcookie 208 /* Linux Specific */
228#define __NR_fadvise64 209 /* Linux Specific */
229#define __NR_fadvise64_64 210 /* Linux Specific */
230#define __NR_tgkill 211 /* Linux Specific */
231#define __NR_waitpid 212 /* Linux Specific */
232#define __NR_swapoff 213 /* Linux Specific */
233#define __NR_sysinfo 214 /* Linux Specific */
234#define __NR_ipc 215 /* Linux Specific */
235#define __NR_sigreturn 216 /* Linux Specific */
236#define __NR_clone 217 /* Linux Specific */
237/* #define __NR_modify_ldt 218 Linux Specific - i386 specific, unused */
238#define __NR_adjtimex 219 /* Linux Specific */
239#define __NR_sigprocmask 220 /* Linux Specific */
240#define __NR_create_module 221 /* Linux Specific */
241#define __NR_delete_module 222 /* Linux Specific */
242#define __NR_get_kernel_syms 223 /* Linux Specific */
243#define __NR_getpgid 224 /* Linux Specific */
244#define __NR_bdflush 225 /* Linux Specific */
245#define __NR_sysfs 226 /* Linux Specific */
246#define __NR_afs_syscall 227 /* Linux Specific */
247#define __NR_setfsuid 228 /* Linux Specific */
248#define __NR_setfsgid 229 /* Linux Specific */
249#define __NR__newselect 230 /* Linux Specific */
250#define __NR_time 231 /* Linux Specific */
251/* #define __NR_oldstat 232 Linux Specific */
252#define __NR_stime 233 /* Linux Specific */
253#define __NR_statfs64 234 /* Linux Specific */
254#define __NR_fstatfs64 235 /* Linux Specific */
255#define __NR__llseek 236 /* Linux Specific */
256#define __NR_mlock 237
257#define __NR_munlock 238
258#define __NR_mlockall 239
259#define __NR_munlockall 240
260#define __NR_sched_setparam 241
261#define __NR_sched_getparam 242
262#define __NR_sched_setscheduler 243
263#define __NR_sched_getscheduler 244
264#define __NR_sched_yield 245
265#define __NR_sched_get_priority_max 246
266#define __NR_sched_get_priority_min 247
267#define __NR_sched_rr_get_interval 248
268#define __NR_nanosleep 249
269#define __NR_mremap 250
270#define __NR__sysctl 251
271#define __NR_getsid 252
272#define __NR_fdatasync 253
273#define __NR_nfsservctl 254
274#define __NR_aplib 255
275#define __NR_clock_settime 256
276#define __NR_clock_gettime 257
277#define __NR_clock_getres 258
278#define __NR_clock_nanosleep 259
279#define __NR_sched_getaffinity 260
280#define __NR_sched_setaffinity 261
281#define __NR_timer_settime 262
282#define __NR_timer_gettime 263
283#define __NR_timer_getoverrun 264
284#define __NR_timer_delete 265
285#define __NR_timer_create 266
286/* #define __NR_vserver 267 Reserved for VSERVER */
287#define __NR_io_setup 268
288#define __NR_io_destroy 269
289#define __NR_io_submit 270
290#define __NR_io_cancel 271
291#define __NR_io_getevents 272
292#define __NR_mq_open 273
293#define __NR_mq_unlink 274
294#define __NR_mq_timedsend 275
295#define __NR_mq_timedreceive 276
296#define __NR_mq_notify 277
297#define __NR_mq_getsetattr 278
298#define __NR_waitid 279
299#define __NR_sys_setaltroot 280
300#define __NR_add_key 281
301#define __NR_request_key 282
302#define __NR_keyctl 283
303
304/* WARNING: You MAY NOT add syscall numbers larger than 283, since
305 * all of the syscall tables in the Sparc kernel are
306 * sized to have 283 entries (starting at zero). Therefore
307 * find a free slot in the 0-282 range.
308 */
309
310#define _syscall0(type,name) \
311type name(void) \
312{ \
313long __res; \
314register long __g1 __asm__ ("g1") = __NR_##name; \
315__asm__ __volatile__ ("t 0x10\n\t" \
316 "bcc 1f\n\t" \
317 "mov %%o0, %0\n\t" \
318 "sub %%g0, %%o0, %0\n\t" \
319 "1:\n\t" \
320 : "=r" (__res)\
321 : "r" (__g1) \
322 : "o0", "cc"); \
323if (__res < -255 || __res >= 0) \
324 return (type) __res; \
325errno = -__res; \
326return -1; \
327}
328
329#define _syscall1(type,name,type1,arg1) \
330type name(type1 arg1) \
331{ \
332long __res; \
333register long __g1 __asm__ ("g1") = __NR_##name; \
334register long __o0 __asm__ ("o0") = (long)(arg1); \
335__asm__ __volatile__ ("t 0x10\n\t" \
336 "bcc 1f\n\t" \
337 "mov %%o0, %0\n\t" \
338 "sub %%g0, %%o0, %0\n\t" \
339 "1:\n\t" \
340 : "=r" (__res), "=&r" (__o0) \
341 : "1" (__o0), "r" (__g1) \
342 : "cc"); \
343if (__res < -255 || __res >= 0) \
344 return (type) __res; \
345errno = -__res; \
346return -1; \
347}
348
349#define _syscall2(type,name,type1,arg1,type2,arg2) \
350type name(type1 arg1,type2 arg2) \
351{ \
352long __res; \
353register long __g1 __asm__ ("g1") = __NR_##name; \
354register long __o0 __asm__ ("o0") = (long)(arg1); \
355register long __o1 __asm__ ("o1") = (long)(arg2); \
356__asm__ __volatile__ ("t 0x10\n\t" \
357 "bcc 1f\n\t" \
358 "mov %%o0, %0\n\t" \
359 "sub %%g0, %%o0, %0\n\t" \
360 "1:\n\t" \
361 : "=r" (__res), "=&r" (__o0) \
362 : "1" (__o0), "r" (__o1), "r" (__g1) \
363 : "cc"); \
364if (__res < -255 || __res >= 0) \
365 return (type) __res; \
366errno = -__res; \
367return -1; \
368}
369
370#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
371type name(type1 arg1,type2 arg2,type3 arg3) \
372{ \
373long __res; \
374register long __g1 __asm__ ("g1") = __NR_##name; \
375register long __o0 __asm__ ("o0") = (long)(arg1); \
376register long __o1 __asm__ ("o1") = (long)(arg2); \
377register long __o2 __asm__ ("o2") = (long)(arg3); \
378__asm__ __volatile__ ("t 0x10\n\t" \
379 "bcc 1f\n\t" \
380 "mov %%o0, %0\n\t" \
381 "sub %%g0, %%o0, %0\n\t" \
382 "1:\n\t" \
383 : "=r" (__res), "=&r" (__o0) \
384 : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__g1) \
385 : "cc"); \
386if (__res < -255 || __res>=0) \
387 return (type) __res; \
388errno = -__res; \
389return -1; \
390}
391
392#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
393type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
394{ \
395long __res; \
396register long __g1 __asm__ ("g1") = __NR_##name; \
397register long __o0 __asm__ ("o0") = (long)(arg1); \
398register long __o1 __asm__ ("o1") = (long)(arg2); \
399register long __o2 __asm__ ("o2") = (long)(arg3); \
400register long __o3 __asm__ ("o3") = (long)(arg4); \
401__asm__ __volatile__ ("t 0x10\n\t" \
402 "bcc 1f\n\t" \
403 "mov %%o0, %0\n\t" \
404 "sub %%g0, %%o0, %0\n\t" \
405 "1:\n\t" \
406 : "=r" (__res), "=&r" (__o0) \
407 : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__o3), "r" (__g1) \
408 : "cc"); \
409if (__res < -255 || __res>=0) \
410 return (type) __res; \
411errno = -__res; \
412return -1; \
413}
414
415#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
416 type5,arg5) \
417type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
418{ \
419long __res; \
420register long __g1 __asm__ ("g1") = __NR_##name; \
421register long __o0 __asm__ ("o0") = (long)(arg1); \
422register long __o1 __asm__ ("o1") = (long)(arg2); \
423register long __o2 __asm__ ("o2") = (long)(arg3); \
424register long __o3 __asm__ ("o3") = (long)(arg4); \
425register long __o4 __asm__ ("o4") = (long)(arg5); \
426__asm__ __volatile__ ("t 0x10\n\t" \
427 "bcc 1f\n\t" \
428 "mov %%o0, %0\n\t" \
429 "sub %%g0, %%o0, %0\n\t" \
430 "1:\n\t" \
431 : "=r" (__res), "=&r" (__o0) \
432 : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__o3), "r" (__o4), "r" (__g1) \
433 : "cc"); \
434if (__res < -255 || __res>=0) \
435 return (type) __res; \
436errno = -__res; \
437return -1; \
438}
439
440#ifdef __KERNEL__
441#define __ARCH_WANT_IPC_PARSE_VERSION
442#define __ARCH_WANT_OLD_READDIR
443#define __ARCH_WANT_STAT64
444#define __ARCH_WANT_SYS_ALARM
445#define __ARCH_WANT_SYS_GETHOSTNAME
446#define __ARCH_WANT_SYS_PAUSE
447#define __ARCH_WANT_SYS_SGETMASK
448#define __ARCH_WANT_SYS_SIGNAL
449#define __ARCH_WANT_SYS_TIME
450#define __ARCH_WANT_SYS_UTIME
451#define __ARCH_WANT_SYS_WAITPID
452#define __ARCH_WANT_SYS_SOCKETCALL
453#define __ARCH_WANT_SYS_FADVISE64
454#define __ARCH_WANT_SYS_GETPGRP
455#define __ARCH_WANT_SYS_LLSEEK
456#define __ARCH_WANT_SYS_NICE
457#define __ARCH_WANT_SYS_OLD_GETRLIMIT
458#define __ARCH_WANT_SYS_OLDUMOUNT
459#define __ARCH_WANT_SYS_SIGPENDING
460#define __ARCH_WANT_SYS_SIGPROCMASK
461#endif
462
463#ifdef __KERNEL_SYSCALLS__
464
465#include <linux/compiler.h>
466#include <linux/types.h>
467
468/*
469 * we need this inline - forking from kernel space will result
470 * in NO COPY ON WRITE (!!!), until an execve is executed. This
471 * is no problem, but for the stack. This is handled by not letting
472 * main() use the stack at all after fork(). Thus, no function
473 * calls - which means inline code for fork too, as otherwise we
474 * would use the stack upon exit from 'fork()'.
475 *
476 * Actually only pause and fork are needed inline, so that there
477 * won't be any messing with the stack from main(), but we define
478 * some others too.
479 */
480#define __NR__exit __NR_exit
481static __inline__ _syscall0(pid_t,setsid)
482static __inline__ _syscall3(int,write,int,fd,__const__ char *,buf,off_t,count)
483static __inline__ _syscall3(int,read,int,fd,char *,buf,off_t,count)
484static __inline__ _syscall3(off_t,lseek,int,fd,off_t,offset,int,count)
485static __inline__ _syscall1(int,dup,int,fd)
486static __inline__ _syscall3(int,execve,__const__ char *,file,char **,argv,char **,envp)
487static __inline__ _syscall3(int,open,__const__ char *,file,int,flag,int,mode)
488static __inline__ _syscall1(int,close,int,fd)
489static __inline__ _syscall3(pid_t,waitpid,pid_t,pid,int *,wait_stat,int,options)
490
491#include <linux/linkage.h>
492
493asmlinkage unsigned long sys_mmap(
494 unsigned long addr, unsigned long len,
495 unsigned long prot, unsigned long flags,
496 unsigned long fd, unsigned long off);
497asmlinkage unsigned long sys_mmap2(
498 unsigned long addr, unsigned long len,
499 unsigned long prot, unsigned long flags,
500 unsigned long fd, unsigned long pgoff);
501struct sigaction;
502asmlinkage long sys_rt_sigaction(int sig,
503 const struct sigaction __user *act,
504 struct sigaction __user *oact,
505 void __user *restorer,
506 size_t sigsetsize);
507
508#endif /* __KERNEL_SYSCALLS__ */
509
510/*
511 * "Conditional" syscalls
512 *
513 * What we want is __attribute__((weak,alias("sys_ni_syscall"))),
514 * but it doesn't work on all toolchains, so we just do it by hand
515 */
516#define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall")
517
518#endif /* _SPARC_UNISTD_H */