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[linux-2.6/suspend2-2.6.18.git] / include / asm-v850 / unistd.h
blob82460a7bb233fbc6f4354fafb903197ae7c0ca16
1 /*
2 * include/asm-v850/unistd.h -- System call numbers and invocation mechanism
3 *
4 * Copyright (C) 2001,02,03,04 NEC Electronics Corporation
5 * Copyright (C) 2001,02,03,04 Miles Bader <miles@gnu.org>
6 *
7 * This file is subject to the terms and conditions of the GNU General
8 * Public License. See the file COPYING in the main directory of this
9 * archive for more details.
10 *
11 * Written by Miles Bader <miles@gnu.org>
12 */
13
14 #ifndef __V850_UNISTD_H__
15 #define __V850_UNISTD_H__
16
17 #include <asm/clinkage.h>
18
19 #define __NR_restart_syscall 0
20 #define __NR_exit 1
21 #define __NR_fork 2
22 #define __NR_read 3
23 #define __NR_write 4
24 #define __NR_open 5
25 #define __NR_close 6
26 #define __NR_waitpid 7
27 #define __NR_creat 8
28 #define __NR_link 9
29 #define __NR_unlink 10
30 #define __NR_execve 11
31 #define __NR_chdir 12
32 #define __NR_time 13
33 #define __NR_mknod 14
34 #define __NR_chmod 15
35 #define __NR_chown 16
36 #define __NR_break 17
37 #define __NR_lseek 19
38 #define __NR_getpid 20
39 #define __NR_mount 21
40 #define __NR_umount 22
41 #define __NR_setuid 23
42 #define __NR_getuid 24
43 #define __NR_stime 25
44 #define __NR_ptrace 26
45 #define __NR_alarm 27
46 #define __NR_pause 29
47 #define __NR_utime 30
48 #define __NR_stty 31
49 #define __NR_gtty 32
50 #define __NR_access 33
51 #define __NR_nice 34
52 #define __NR_ftime 35
53 #define __NR_sync 36
54 #define __NR_kill 37
55 #define __NR_rename 38
56 #define __NR_mkdir 39
57 #define __NR_rmdir 40
58 #define __NR_dup 41
59 #define __NR_pipe 42
60 #define __NR_times 43
61 #define __NR_prof 44
62 #define __NR_brk 45
63 #define __NR_setgid 46
64 #define __NR_getgid 47
65 #define __NR_signal 48
66 #define __NR_geteuid 49
67 #define __NR_getegid 50
68 #define __NR_acct 51
69 #define __NR_umount2 52
70 #define __NR_lock 53
71 #define __NR_ioctl 54
72 #define __NR_fcntl 55
73 #define __NR_setpgid 57
74 #define __NR_umask 60
75 #define __NR_chroot 61
76 #define __NR_ustat 62
77 #define __NR_dup2 63
78 #define __NR_getppid 64
79 #define __NR_getpgrp 65
80 #define __NR_setsid 66
81 #define __NR_sigaction 67
82 #define __NR_sgetmask 68
83 #define __NR_ssetmask 69
84 #define __NR_setreuid 70
85 #define __NR_setregid 71
86 #define __NR_sigsuspend 72
87 #define __NR_sigpending 73
88 #define __NR_sethostname 74
89 #define __NR_setrlimit 75
90 #define __NR_ugetrlimit 76
91 #define __NR_getrusage 77
92 #define __NR_gettimeofday 78
93 #define __NR_settimeofday 79
94 #define __NR_getgroups 80
95 #define __NR_setgroups 81
96 #define __NR_select 82
97 #define __NR_symlink 83
98 #define __NR_readlink 85
99 #define __NR_uselib 86
100 #define __NR_swapon 87
101 #define __NR_reboot 88
102 #define __NR_readdir 89
103 #define __NR_mmap 90
104 #define __NR_munmap 91
105 #define __NR_truncate 92
106 #define __NR_ftruncate 93
107 #define __NR_fchmod 94
108 #define __NR_fchown 95
109 #define __NR_getpriority 96
110 #define __NR_setpriority 97
111 #define __NR_profil 98
112 #define __NR_statfs 99
113 #define __NR_fstatfs 100
114 #define __NR_socketcall 102
115 #define __NR_syslog 103
116 #define __NR_setitimer 104
117 #define __NR_getitimer 105
118 #define __NR_stat 106
119 #define __NR_lstat 107
120 #define __NR_fstat 108
121 #define __NR_vhangup 111
122 #define __NR_wait4 114
123 #define __NR_swapoff 115
124 #define __NR_sysinfo 116
125 #define __NR_ipc 117
126 #define __NR_fsync 118
127 #define __NR_sigreturn 119
128 #define __NR_clone 120
129 #define __NR_setdomainname 121
130 #define __NR_uname 122
131 #define __NR_cacheflush 123
132 #define __NR_adjtimex 124
133 #define __NR_mprotect 125
134 #define __NR_sigprocmask 126
135 #define __NR_create_module 127
136 #define __NR_init_module 128
137 #define __NR_delete_module 129
138 #define __NR_get_kernel_syms 130
139 #define __NR_quotactl 131
140 #define __NR_getpgid 132
141 #define __NR_fchdir 133
142 #define __NR_bdflush 134
143 #define __NR_sysfs 135
144 #define __NR_personality 136
145 #define __NR_afs_syscall 137 /* Syscall for Andrew File System */
146 #define __NR_setfsuid 138
147 #define __NR_setfsgid 139
148 #define __NR__llseek 140
149 #define __NR_getdents 141
150 #define __NR_flock 143
151 #define __NR_msync 144
152 #define __NR_readv 145
153 #define __NR_writev 146
154 #define __NR_getsid 147
155 #define __NR_fdatasync 148
156 #define __NR__sysctl 149
157 #define __NR_mlock 150
158 #define __NR_munlock 151
159 #define __NR_mlockall 152
160 #define __NR_munlockall 153
161 #define __NR_sched_setparam 154
162 #define __NR_sched_getparam 155
163 #define __NR_sched_setscheduler 156
164 #define __NR_sched_getscheduler 157
165 #define __NR_sched_yield 158
166 #define __NR_sched_get_priority_max 159
167 #define __NR_sched_get_priority_min 160
168 #define __NR_sched_rr_get_interval 161
169 #define __NR_nanosleep 162
170 #define __NR_mremap 163
171 #define __NR_setresuid 164
172 #define __NR_getresuid 165
173 #define __NR_query_module 167
174 #define __NR_poll 168
175 #define __NR_nfsservctl 169
176 #define __NR_setresgid 170
177 #define __NR_getresgid 171
178 #define __NR_prctl 172
179 #define __NR_rt_sigreturn 173
180 #define __NR_rt_sigaction 174
181 #define __NR_rt_sigprocmask 175
182 #define __NR_rt_sigpending 176
183 #define __NR_rt_sigtimedwait 177
184 #define __NR_rt_sigqueueinfo 178
185 #define __NR_rt_sigsuspend 179
186 #define __NR_pread 180
187 #define __NR_pwrite 181
188 #define __NR_lchown 182
189 #define __NR_getcwd 183
190 #define __NR_capget 184
191 #define __NR_capset 185
192 #define __NR_sigaltstack 186
193 #define __NR_sendfile 187
194 #define __NR_getpmsg 188 /* some people actually want streams */
195 #define __NR_putpmsg 189 /* some people actually want streams */
196 #define __NR_vfork 190
197 #define __NR_mmap2 192
198 #define __NR_truncate64 193
199 #define __NR_ftruncate64 194
200 #define __NR_stat64 195
201 #define __NR_lstat64 196
202 #define __NR_fstat64 197
203 #define __NR_fcntl64 198
204 #define __NR_getdents64 199
205 #define __NR_pivot_root 200
206 #define __NR_gettid 201
207 #define __NR_tkill 202
208
209
210 /* Syscall protocol:
211 Syscall number in r12, args in r6-r9, r13-r14
212 Return value in r10
213 Trap 0 for `short' syscalls, where all the args can fit in function
214 call argument registers, and trap 1 when there are additional args in
215 r13-r14. */
216
217 #define SYSCALL_NUM "r12"
218 #define SYSCALL_ARG0 "r6"
219 #define SYSCALL_ARG1 "r7"
220 #define SYSCALL_ARG2 "r8"
221 #define SYSCALL_ARG3 "r9"
222 #define SYSCALL_ARG4 "r13"
223 #define SYSCALL_ARG5 "r14"
224 #define SYSCALL_RET "r10"
225
226 #define SYSCALL_SHORT_TRAP "0"
227 #define SYSCALL_LONG_TRAP "1"
228
229 /* Registers clobbered by any syscall. This _doesn't_ include the syscall
230 number (r12) or the `extended arg' registers (r13, r14), even though
231 they are actually clobbered too (this is because gcc's `asm' statement
232 doesn't allow a clobber to be used as an input or output). */
233 #define SYSCALL_CLOBBERS "r1", "r5", "r11", "r15", "r16", \
234 "r17", "r18", "r19"
235
236 /* Registers clobbered by a `short' syscall. This includes all clobbers
237 except the syscall number (r12). */
238 #define SYSCALL_SHORT_CLOBBERS SYSCALL_CLOBBERS, "r13", "r14"
239
240
241 /* User programs sometimes end up including this header file
242 (indirectly, via uClibc header files), so I'm a bit nervous just
243 including <linux/compiler.h>. */
244
245 #define __syscall_return(type, res) \
246 do { \
247 /* user-visible error numbers are in the range -1 - -124: \
248 see <asm-v850/errno.h> */ \
249 if (__builtin_expect ((unsigned long)(res) >= (unsigned long)(-125), 0)) { \
250 errno = -(res); \
251 res = -1; \
252 } \
253 return (type) (res); \
254 } while (0)
255
256
257 #define _syscall0(type, name) \
258 type name (void) \
259 { \
260 register unsigned long __syscall __asm__ (SYSCALL_NUM) = __NR_##name; \
261 register unsigned long __ret __asm__ (SYSCALL_RET); \
262 __asm__ __volatile__ ("trap " SYSCALL_SHORT_TRAP \
263 : "=r" (__ret), "=r" (__syscall) \
264 : "1" (__syscall) \
265 : SYSCALL_SHORT_CLOBBERS); \
266 __syscall_return (type, __ret); \
267 }
268
269 #define _syscall1(type, name, atype, a) \
270 type name (atype a) \
271 { \
272 register atype __a __asm__ (SYSCALL_ARG0) = a; \
273 register unsigned long __syscall __asm__ (SYSCALL_NUM) = __NR_##name; \
274 register unsigned long __ret __asm__ (SYSCALL_RET); \
275 __asm__ __volatile__ ("trap " SYSCALL_SHORT_TRAP \
276 : "=r" (__ret), "=r" (__syscall) \
277 : "1" (__syscall), "r" (__a) \
278 : SYSCALL_SHORT_CLOBBERS); \
279 __syscall_return (type, __ret); \
280 }
281
282 #define _syscall2(type, name, atype, a, btype, b) \
283 type name (atype a, btype b) \
284 { \
285 register atype __a __asm__ (SYSCALL_ARG0) = a; \
286 register btype __b __asm__ (SYSCALL_ARG1) = b; \
287 register unsigned long __syscall __asm__ (SYSCALL_NUM) = __NR_##name; \
288 register unsigned long __ret __asm__ (SYSCALL_RET); \
289 __asm__ __volatile__ ("trap " SYSCALL_SHORT_TRAP \
290 : "=r" (__ret), "=r" (__syscall) \
291 : "1" (__syscall), "r" (__a), "r" (__b) \
292 : SYSCALL_SHORT_CLOBBERS); \
293 __syscall_return (type, __ret); \
294 }
295
296 #define _syscall3(type, name, atype, a, btype, b, ctype, c) \
297 type name (atype a, btype b, ctype c) \
298 { \
299 register atype __a __asm__ (SYSCALL_ARG0) = a; \
300 register btype __b __asm__ (SYSCALL_ARG1) = b; \
301 register ctype __c __asm__ (SYSCALL_ARG2) = c; \
302 register unsigned long __syscall __asm__ (SYSCALL_NUM) = __NR_##name; \
303 register unsigned long __ret __asm__ (SYSCALL_RET); \
304 __asm__ __volatile__ ("trap " SYSCALL_SHORT_TRAP \
305 : "=r" (__ret), "=r" (__syscall) \
306 : "1" (__syscall), "r" (__a), "r" (__b), "r" (__c) \
307 : SYSCALL_SHORT_CLOBBERS); \
308 __syscall_return (type, __ret); \
309 }
310
311 #define _syscall4(type, name, atype, a, btype, b, ctype, c, dtype, d) \
312 type name (atype a, btype b, ctype c, dtype d) \
313 { \
314 register atype __a __asm__ (SYSCALL_ARG0) = a; \
315 register btype __b __asm__ (SYSCALL_ARG1) = b; \
316 register ctype __c __asm__ (SYSCALL_ARG2) = c; \
317 register dtype __d __asm__ (SYSCALL_ARG3) = d; \
318 register unsigned long __syscall __asm__ (SYSCALL_NUM) = __NR_##name; \
319 register unsigned long __ret __asm__ (SYSCALL_RET); \
320 __asm__ __volatile__ ("trap " SYSCALL_SHORT_TRAP \
321 : "=r" (__ret), "=r" (__syscall) \
322 : "1" (__syscall), \
323 "r" (__a), "r" (__b), "r" (__c), "r" (__d) \
324 : SYSCALL_SHORT_CLOBBERS); \
325 __syscall_return (type, __ret); \
326 }
327
328 #define _syscall5(type, name, atype, a, btype, b, ctype, c, dtype, d, etype,e)\
329 type name (atype a, btype b, ctype c, dtype d, etype e) \
330 { \
331 register atype __a __asm__ (SYSCALL_ARG0) = a; \
332 register btype __b __asm__ (SYSCALL_ARG1) = b; \
333 register ctype __c __asm__ (SYSCALL_ARG2) = c; \
334 register dtype __d __asm__ (SYSCALL_ARG3) = d; \
335 register etype __e __asm__ (SYSCALL_ARG4) = e; \
336 register unsigned long __syscall __asm__ (SYSCALL_NUM) = __NR_##name; \
337 register unsigned long __ret __asm__ (SYSCALL_RET); \
338 __asm__ __volatile__ ("trap " SYSCALL_LONG_TRAP \
339 : "=r" (__ret), "=r" (__syscall), "=r" (__e) \
340 : "1" (__syscall), \
341 "r" (__a), "r" (__b), "r" (__c), "r" (__d), "2" (__e) \
342 : SYSCALL_CLOBBERS); \
343 __syscall_return (type, __ret); \
344 }
345
346 #define __SYSCALL6_TRAP(syscall, ret, a, b, c, d, e, f) \
347 __asm__ __volatile__ ("trap " SYSCALL_LONG_TRAP \
348 : "=r" (ret), "=r" (syscall), \
349 "=r" (e), "=r" (f) \
350 : "1" (syscall), \
351 "r" (a), "r" (b), "r" (c), "r" (d), \
352 "2" (e), "3" (f) \
353 : SYSCALL_CLOBBERS);
354
355 #define _syscall6(type, name, atype, a, btype, b, ctype, c, dtype, d, etype, e, ftype, f) \
356 type name (atype a, btype b, ctype c, dtype d, etype e, ftype f) \
357 { \
358 register atype __a __asm__ (SYSCALL_ARG0) = a; \
359 register btype __b __asm__ (SYSCALL_ARG1) = b; \
360 register ctype __c __asm__ (SYSCALL_ARG2) = c; \
361 register dtype __d __asm__ (SYSCALL_ARG3) = d; \
362 register etype __e __asm__ (SYSCALL_ARG4) = e; \
363 register etype __f __asm__ (SYSCALL_ARG5) = f; \
364 register unsigned long __syscall __asm__ (SYSCALL_NUM) = __NR_##name; \
365 register unsigned long __ret __asm__ (SYSCALL_RET); \
366 __SYSCALL6_TRAP(__syscall, __ret, __a, __b, __c, __d, __e, __f); \
367 __syscall_return (type, __ret); \
368 }
369
370
371 #ifdef __KERNEL__
372 #define __ARCH_WANT_IPC_PARSE_VERSION
373 #define __ARCH_WANT_OLD_READDIR
374 #define __ARCH_WANT_STAT64
375 #define __ARCH_WANT_SYS_ALARM
376 #define __ARCH_WANT_SYS_GETHOSTNAME
377 #define __ARCH_WANT_SYS_PAUSE
378 #define __ARCH_WANT_SYS_SGETMASK
379 #define __ARCH_WANT_SYS_SIGNAL
380 #define __ARCH_WANT_SYS_TIME
381 #define __ARCH_WANT_SYS_UTIME
382 #define __ARCH_WANT_SYS_WAITPID
383 #define __ARCH_WANT_SYS_SOCKETCALL
384 #define __ARCH_WANT_SYS_FADVISE64
385 #define __ARCH_WANT_SYS_GETPGRP
386 #define __ARCH_WANT_SYS_LLSEEK
387 #define __ARCH_WANT_SYS_NICE
388 #define __ARCH_WANT_SYS_OLDUMOUNT
389 #define __ARCH_WANT_SYS_SIGPENDING
390 #define __ARCH_WANT_SYS_SIGPROCMASK
391 #define __ARCH_WANT_SYS_RT_SIGACTION
392 #endif
393
394 #ifdef __KERNEL_SYSCALLS__
395
396 #include <linux/compiler.h>
397 #include <linux/types.h>
398
399 /*
400 * we need this inline - forking from kernel space will result
401 * in NO COPY ON WRITE (!!!), until an execve is executed. This
402 * is no problem, but for the stack. This is handled by not letting
403 * main() use the stack at all after fork(). Thus, no function
404 * calls - which means inline code for fork too, as otherwise we
405 * would use the stack upon exit from 'fork()'.
406 *
407 * Actually only pause and fork are needed inline, so that there
408 * won't be any messing with the stack from main(), but we define
409 * some others too.
410 */
411 #define __NR__exit __NR_exit
412 extern inline _syscall0(pid_t,setsid)
413 extern inline _syscall3(int,write,int,fd,const char *,buf,off_t,count)
414 extern inline _syscall3(int,read,int,fd,char *,buf,off_t,count)
415 extern inline _syscall3(off_t,lseek,int,fd,off_t,offset,int,count)
416 extern inline _syscall1(int,dup,int,fd)
417 extern inline _syscall3(int,execve,const char *,file,char **,argv,char **,envp)
418 extern inline _syscall3(int,open,const char *,file,int,flag,int,mode)
419 extern inline _syscall1(int,close,int,fd)
420 extern inline _syscall1(int,_exit,int,exitcode)
421 extern inline _syscall3(pid_t,waitpid,pid_t,pid,int *,wait_stat,int,options)
422
423 extern inline pid_t wait(int * wait_stat)
424 {
425 return waitpid (-1, wait_stat, 0);
426 }
427
428 unsigned long sys_mmap(unsigned long addr, size_t len,
429 unsigned long prot, unsigned long flags,
430 unsigned long fd, off_t offset);
431 unsigned long sys_mmap2(unsigned long addr, size_t len,
432 unsigned long prot, unsigned long flags,
433 unsigned long fd, unsigned long pgoff);
434 struct pt_regs;
435 int sys_execve (char *name, char **argv, char **envp, struct pt_regs *regs);
436 int sys_pipe (int *fildes);
437 struct sigaction;
438 asmlinkage long sys_rt_sigaction(int sig,
439 const struct sigaction __user *act,
440 struct sigaction __user *oact,
441 size_t sigsetsize);
442
443 #endif
444
445 /*
446 * "Conditional" syscalls
447 */
448 #define cond_syscall(name) \
449 asm (".weak\t" C_SYMBOL_STRING(name) ";" \
450 ".set\t" C_SYMBOL_STRING(name) "," C_SYMBOL_STRING(sys_ni_syscall))
451 #if 0
452 /* This doesn't work if there's a function prototype for NAME visible,
453 because the argument types probably won't match. */
454 #define cond_syscall(name) \
455 void name (void) __attribute__ ((weak, alias ("sys_ni_syscall")));
456 #endif
457
458 #endif /* __V850_UNISTD_H__ */
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