[PATCH] consistently use MAX_ERRNO in __syscall_return
[linux-2.6.git] / include / asm-frv / unistd.h
1 #ifndef _ASM_UNISTD_H_
2 #define _ASM_UNISTD_H_
3
4 /*
5  * This file contains the system call numbers.
6  */
7
8 #define __NR_restart_syscall      0
9 #define __NR_exit                 1
10 #define __NR_fork                 2
11 #define __NR_read                 3
12 #define __NR_write                4
13 #define __NR_open                 5
14 #define __NR_close                6
15 #define __NR_waitpid              7
16 #define __NR_creat                8
17 #define __NR_link                 9
18 #define __NR_unlink              10
19 #define __NR_execve              11
20 #define __NR_chdir               12
21 #define __NR_time                13
22 #define __NR_mknod               14
23 #define __NR_chmod               15
24 #define __NR_lchown              16
25 #define __NR_break               17
26 #define __NR_oldstat             18
27 #define __NR_lseek               19
28 #define __NR_getpid              20
29 #define __NR_mount               21
30 #define __NR_umount              22
31 #define __NR_setuid              23
32 #define __NR_getuid              24
33 #define __NR_stime               25
34 #define __NR_ptrace              26
35 #define __NR_alarm               27
36 #define __NR_oldfstat            28
37 #define __NR_pause               29
38 #define __NR_utime               30
39 #define __NR_stty                31
40 #define __NR_gtty                32
41 #define __NR_access              33
42 #define __NR_nice                34
43 #define __NR_ftime               35
44 #define __NR_sync                36
45 #define __NR_kill                37
46 #define __NR_rename              38
47 #define __NR_mkdir               39
48 #define __NR_rmdir               40
49 #define __NR_dup                 41
50 #define __NR_pipe                42
51 #define __NR_times               43
52 #define __NR_prof                44
53 #define __NR_brk                 45
54 #define __NR_setgid              46
55 #define __NR_getgid              47
56 #define __NR_signal              48
57 #define __NR_geteuid             49
58 #define __NR_getegid             50
59 #define __NR_acct                51
60 #define __NR_umount2             52
61 #define __NR_lock                53
62 #define __NR_ioctl               54
63 #define __NR_fcntl               55
64 #define __NR_mpx                 56
65 #define __NR_setpgid             57
66 #define __NR_ulimit              58
67 // #define __NR_oldolduname      /* 59 */ obsolete
68 #define __NR_umask               60
69 #define __NR_chroot              61
70 #define __NR_ustat               62
71 #define __NR_dup2                63
72 #define __NR_getppid             64
73 #define __NR_getpgrp             65
74 #define __NR_setsid              66
75 #define __NR_sigaction           67
76 #define __NR_sgetmask            68
77 #define __NR_ssetmask            69
78 #define __NR_setreuid            70
79 #define __NR_setregid            71
80 #define __NR_sigsuspend          72
81 #define __NR_sigpending          73
82 #define __NR_sethostname         74
83 #define __NR_setrlimit           75
84 #define __NR_getrlimit           76     /* Back compatible 2Gig limited rlimit */
85 #define __NR_getrusage           77
86 #define __NR_gettimeofday        78
87 #define __NR_settimeofday        79
88 #define __NR_getgroups           80
89 #define __NR_setgroups           81
90 #define __NR_select              82
91 #define __NR_symlink             83
92 #define __NR_oldlstat            84
93 #define __NR_readlink            85
94 #define __NR_uselib              86
95 #define __NR_swapon              87
96 #define __NR_reboot              88
97 #define __NR_readdir             89
98 // #define __NR_mmap             90     /* obsolete - not implemented */
99 #define __NR_munmap              91
100 #define __NR_truncate            92
101 #define __NR_ftruncate           93
102 #define __NR_fchmod              94
103 #define __NR_fchown              95
104 #define __NR_getpriority         96
105 #define __NR_setpriority         97
106 // #define __NR_profil           /* 98 */ obsolete
107 #define __NR_statfs              99
108 #define __NR_fstatfs            100
109 // #define __NR_ioperm          /* 101 */ not supported
110 #define __NR_socketcall         102
111 #define __NR_syslog             103
112 #define __NR_setitimer          104
113 #define __NR_getitimer          105
114 #define __NR_stat               106
115 #define __NR_lstat              107
116 #define __NR_fstat              108
117 // #define __NR_olduname                /* 109 */ obsolete
118 // #define __NR_iopl            /* 110 */ not supported
119 #define __NR_vhangup            111
120 // #define __NR_idle            /* 112 */ Obsolete
121 // #define __NR_vm86old         /* 113 */ not supported
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_modify_ldt      /* 123 */ not supported
132 #define __NR_cacheflush         123
133 #define __NR_adjtimex           124
134 #define __NR_mprotect           125
135 #define __NR_sigprocmask        126
136 #define __NR_create_module      127
137 #define __NR_init_module        128
138 #define __NR_delete_module      129
139 #define __NR_get_kernel_syms    130
140 #define __NR_quotactl           131
141 #define __NR_getpgid            132
142 #define __NR_fchdir             133
143 #define __NR_bdflush            134
144 #define __NR_sysfs              135
145 #define __NR_personality        136
146 #define __NR_afs_syscall        137 /* Syscall for Andrew File System */
147 #define __NR_setfsuid           138
148 #define __NR_setfsgid           139
149 #define __NR__llseek            140
150 #define __NR_getdents           141
151 #define __NR__newselect         142
152 #define __NR_flock              143
153 #define __NR_msync              144
154 #define __NR_readv              145
155 #define __NR_writev             146
156 #define __NR_getsid             147
157 #define __NR_fdatasync          148
158 #define __NR__sysctl            149
159 #define __NR_mlock              150
160 #define __NR_munlock            151
161 #define __NR_mlockall           152
162 #define __NR_munlockall         153
163 #define __NR_sched_setparam             154
164 #define __NR_sched_getparam             155
165 #define __NR_sched_setscheduler         156
166 #define __NR_sched_getscheduler         157
167 #define __NR_sched_yield                158
168 #define __NR_sched_get_priority_max     159
169 #define __NR_sched_get_priority_min     160
170 #define __NR_sched_rr_get_interval      161
171 #define __NR_nanosleep          162
172 #define __NR_mremap             163
173 #define __NR_setresuid          164
174 #define __NR_getresuid          165
175 // #define __NR_vm86            /* 166 */ not supported
176 #define __NR_query_module       167
177 #define __NR_poll               168
178 #define __NR_nfsservctl         169
179 #define __NR_setresgid          170
180 #define __NR_getresgid          171
181 #define __NR_prctl              172
182 #define __NR_rt_sigreturn       173
183 #define __NR_rt_sigaction       174
184 #define __NR_rt_sigprocmask     175
185 #define __NR_rt_sigpending      176
186 #define __NR_rt_sigtimedwait    177
187 #define __NR_rt_sigqueueinfo    178
188 #define __NR_rt_sigsuspend      179
189 #define __NR_pread              180
190 #define __NR_pwrite             181
191 #define __NR_chown              182
192 #define __NR_getcwd             183
193 #define __NR_capget             184
194 #define __NR_capset             185
195 #define __NR_sigaltstack        186
196 #define __NR_sendfile           187
197 #define __NR_getpmsg            188     /* some people actually want streams */
198 #define __NR_putpmsg            189     /* some people actually want streams */
199 #define __NR_vfork              190
200 #define __NR_ugetrlimit         191     /* SuS compliant getrlimit */
201 #define __NR_mmap2              192
202 #define __NR_truncate64         193
203 #define __NR_ftruncate64        194
204 #define __NR_stat64             195
205 #define __NR_lstat64            196
206 #define __NR_fstat64            197
207 #define __NR_lchown32           198
208 #define __NR_getuid32           199
209 #define __NR_getgid32           200
210 #define __NR_geteuid32          201
211 #define __NR_getegid32          202
212 #define __NR_setreuid32         203
213 #define __NR_setregid32         204
214 #define __NR_getgroups32        205
215 #define __NR_setgroups32        206
216 #define __NR_fchown32           207
217 #define __NR_setresuid32        208
218 #define __NR_getresuid32        209
219 #define __NR_setresgid32        210
220 #define __NR_getresgid32        211
221 #define __NR_chown32            212
222 #define __NR_setuid32           213
223 #define __NR_setgid32           214
224 #define __NR_setfsuid32         215
225 #define __NR_setfsgid32         216
226 #define __NR_pivot_root         217
227 #define __NR_mincore            218
228 #define __NR_madvise            219
229
230 #define __NR_getdents64         220
231 #define __NR_fcntl64            221
232 #define __NR_security           223     /* syscall for security modules */
233 #define __NR_gettid             224
234 #define __NR_readahead          225
235 #define __NR_setxattr           226
236 #define __NR_lsetxattr          227
237 #define __NR_fsetxattr          228
238 #define __NR_getxattr           229
239 #define __NR_lgetxattr          230
240 #define __NR_fgetxattr          231
241 #define __NR_listxattr          232
242 #define __NR_llistxattr         233
243 #define __NR_flistxattr         234
244 #define __NR_removexattr        235
245 #define __NR_lremovexattr       236
246 #define __NR_fremovexattr       237
247 #define __NR_tkill              238
248 #define __NR_sendfile64         239
249 #define __NR_futex              240
250 #define __NR_sched_setaffinity  241
251 #define __NR_sched_getaffinity  242
252 #define __NR_set_thread_area    243
253 #define __NR_get_thread_area    244
254 #define __NR_io_setup           245
255 #define __NR_io_destroy         246
256 #define __NR_io_getevents       247
257 #define __NR_io_submit          248
258 #define __NR_io_cancel          249
259 #define __NR_fadvise64          250
260
261 #define __NR_exit_group         252
262 #define __NR_lookup_dcookie     253
263 #define __NR_epoll_create       254
264 #define __NR_epoll_ctl          255
265 #define __NR_epoll_wait         256
266 #define __NR_remap_file_pages   257
267 #define __NR_set_tid_address    258
268 #define __NR_timer_create       259
269 #define __NR_timer_settime      (__NR_timer_create+1)
270 #define __NR_timer_gettime      (__NR_timer_create+2)
271 #define __NR_timer_getoverrun   (__NR_timer_create+3)
272 #define __NR_timer_delete       (__NR_timer_create+4)
273 #define __NR_clock_settime      (__NR_timer_create+5)
274 #define __NR_clock_gettime      (__NR_timer_create+6)
275 #define __NR_clock_getres       (__NR_timer_create+7)
276 #define __NR_clock_nanosleep    (__NR_timer_create+8)
277 #define __NR_statfs64           268
278 #define __NR_fstatfs64          269
279 #define __NR_tgkill             270
280 #define __NR_utimes             271
281 #define __NR_fadvise64_64       272
282 #define __NR_vserver            273
283 #define __NR_mbind              274
284 #define __NR_get_mempolicy      275
285 #define __NR_set_mempolicy      276
286 #define __NR_mq_open            277
287 #define __NR_mq_unlink          (__NR_mq_open+1)
288 #define __NR_mq_timedsend       (__NR_mq_open+2)
289 #define __NR_mq_timedreceive    (__NR_mq_open+3)
290 #define __NR_mq_notify          (__NR_mq_open+4)
291 #define __NR_mq_getsetattr      (__NR_mq_open+5)
292 #define __NR_kexec_load         283
293 #define __NR_waitid             284
294 /* #define __NR_sys_setaltroot  285 */
295 #define __NR_add_key            286
296 #define __NR_request_key        287
297 #define __NR_keyctl             288
298 #define __NR_ioprio_set         289
299 #define __NR_ioprio_get         290
300 #define __NR_inotify_init       291
301 #define __NR_inotify_add_watch  292
302 #define __NR_inotify_rm_watch   293
303 #define __NR_migrate_pages      294
304 #define __NR_openat             295
305 #define __NR_mkdirat            296
306 #define __NR_mknodat            297
307 #define __NR_fchownat           298
308 #define __NR_futimesat          299
309 #define __NR_fstatat64          300
310 #define __NR_unlinkat           301
311 #define __NR_renameat           302
312 #define __NR_linkat             303
313 #define __NR_symlinkat          304
314 #define __NR_readlinkat         305
315 #define __NR_fchmodat           306
316 #define __NR_faccessat          307
317 #define __NR_pselect6           308
318 #define __NR_ppoll              309
319
320 #ifdef __KERNEL__
321
322 #define NR_syscalls 310
323 #include <linux/err.h>
324
325 /*
326  * process the return value of a syscall, consigning it to one of two possible fates
327  * - user-visible error numbers are in the range -1 - -4095: see <asm-frv/errno.h>
328  */
329 #undef __syscall_return
330 #define __syscall_return(type, res)                                     \
331 do {                                                                    \
332         unsigned long __sr2 = (res);                                    \
333         if (__builtin_expect(__sr2 >= (unsigned long)(-MAX_ERRNO), 0)) { \
334                 errno = (-__sr2);                                       \
335                 __sr2 = ~0UL;                                           \
336         }                                                               \
337         return (type) __sr2;                                            \
338 } while (0)
339
340 /* XXX - _foo needs to be __foo, while __NR_bar could be _NR_bar. */
341
342 #undef _syscall0
343 #define _syscall0(type,name)                                            \
344 type name(void)                                                         \
345 {                                                                       \
346         register unsigned long __scnum __asm__ ("gr7") = (__NR_##name); \
347         register unsigned long __sc0 __asm__ ("gr8");                   \
348         __asm__ __volatile__ ("tira gr0,#0"                             \
349                               : "=r" (__sc0)                            \
350                               : "r" (__scnum));                         \
351         __syscall_return(type, __sc0);                                  \
352 }
353
354 #undef _syscall1
355 #define _syscall1(type,name,type1,arg1)                                         \
356 type name(type1 arg1)                                                           \
357 {                                                                               \
358         register unsigned long __scnum __asm__ ("gr7") = (__NR_##name);         \
359         register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1;    \
360         __asm__ __volatile__ ("tira gr0,#0"                                     \
361                               : "+r" (__sc0)                                    \
362                               : "r" (__scnum));                                 \
363         __syscall_return(type, __sc0);                                          \
364 }
365
366 #undef _syscall2
367 #define _syscall2(type,name,type1,arg1,type2,arg2)                              \
368 type name(type1 arg1,type2 arg2)                                                \
369 {                                                                               \
370         register unsigned long __scnum __asm__ ("gr7") = (__NR_##name);         \
371         register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1;    \
372         register unsigned long __sc1 __asm__ ("gr9") = (unsigned long) arg2;    \
373         __asm__ __volatile__ ("tira gr0,#0"                                     \
374                               : "+r" (__sc0)                                    \
375                               : "r" (__scnum), "r" (__sc1));                    \
376         __syscall_return(type, __sc0);                                          \
377 }
378
379 #undef _syscall3
380 #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3)                   \
381 type name(type1 arg1,type2 arg2,type3 arg3)                                     \
382 {                                                                               \
383         register unsigned long __scnum __asm__ ("gr7") = (__NR_##name);         \
384         register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1;    \
385         register unsigned long __sc1 __asm__ ("gr9") = (unsigned long) arg2;    \
386         register unsigned long __sc2 __asm__ ("gr10") = (unsigned long) arg3;   \
387         __asm__ __volatile__ ("tira gr0,#0"                                     \
388                               : "+r" (__sc0)                                    \
389                               : "r" (__scnum), "r" (__sc1), "r" (__sc2));       \
390         __syscall_return(type, __sc0);                                          \
391 }
392
393 #undef _syscall4
394 #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4)                \
395 type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4)                              \
396 {                                                                                       \
397         register unsigned long __scnum __asm__ ("gr7") = (__NR_##name);                 \
398         register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1;            \
399         register unsigned long __sc1 __asm__ ("gr9") = (unsigned long) arg2;            \
400         register unsigned long __sc2 __asm__ ("gr10") = (unsigned long) arg3;           \
401         register unsigned long __sc3 __asm__ ("gr11") = (unsigned long) arg4;           \
402         __asm__ __volatile__ ("tira gr0,#0"                                             \
403                               : "+r" (__sc0)                                            \
404                               : "r" (__scnum), "r" (__sc1), "r" (__sc2), "r" (__sc3));  \
405         __syscall_return(type, __sc0);                                                  \
406 }
407
408 #undef _syscall5
409 #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5)     \
410 type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5)                  \
411 {                                                                                       \
412         register unsigned long __scnum __asm__ ("gr7") = (__NR_##name);                 \
413         register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1;            \
414         register unsigned long __sc1 __asm__ ("gr9") = (unsigned long) arg2;            \
415         register unsigned long __sc2 __asm__ ("gr10") = (unsigned long) arg3;           \
416         register unsigned long __sc3 __asm__ ("gr11") = (unsigned long) arg4;           \
417         register unsigned long __sc4 __asm__ ("gr12") = (unsigned long) arg5;           \
418         __asm__ __volatile__ ("tira gr0,#0"                                             \
419                               : "+r" (__sc0)                                            \
420                               : "r" (__scnum), "r" (__sc1), "r" (__sc2),                \
421                               "r" (__sc3), "r" (__sc4));                                \
422         __syscall_return(type, __sc0);                                                  \
423 }
424
425 #undef _syscall6
426 #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5, type6, arg6) \
427 type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6)               \
428 {                                                                                                \
429         register unsigned long __scnum __asm__ ("gr7") = (__NR_##name);                          \
430         register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1;                     \
431         register unsigned long __sc1 __asm__ ("gr9") = (unsigned long) arg2;                     \
432         register unsigned long __sc2 __asm__ ("gr10") = (unsigned long) arg3;                    \
433         register unsigned long __sc3 __asm__ ("gr11") = (unsigned long) arg4;                    \
434         register unsigned long __sc4 __asm__ ("gr12") = (unsigned long) arg5;                    \
435         register unsigned long __sc5 __asm__ ("gr13") = (unsigned long) arg6;                    \
436         __asm__ __volatile__ ("tira gr0,#0"                                                      \
437                               : "+r" (__sc0)                                                     \
438                               : "r" (__scnum), "r" (__sc1), "r" (__sc2),                         \
439                               "r" (__sc3), "r" (__sc4), "r" (__sc5));                            \
440         __syscall_return(type, __sc0);                                                           \
441 }
442
443
444 #ifdef __KERNEL_SYSCALLS__
445
446 #include <linux/compiler.h>
447 #include <linux/types.h>
448 #include <linux/linkage.h>
449 #include <asm/ptrace.h>
450
451 /*
452  * we need this inline - forking from kernel space will result
453  * in NO COPY ON WRITE (!!!), until an execve is executed. This
454  * is no problem, but for the stack. This is handled by not letting
455  * main() use the stack at all after fork(). Thus, no function
456  * calls - which means inline code for fork too, as otherwise we
457  * would use the stack upon exit from 'fork()'.
458  *
459  * Actually only pause and fork are needed inline, so that there
460  * won't be any messing with the stack from main(), but we define
461  * some others too.
462  */
463 #define __NR__exit __NR_exit
464 static inline _syscall3(int,execve,const char *,file,char **,argv,char **,envp)
465
466 #endif /* __KERNEL_SYSCALLS__ */
467
468 #define __ARCH_WANT_IPC_PARSE_VERSION
469 /* #define __ARCH_WANT_OLD_READDIR */
470 #define __ARCH_WANT_OLD_STAT
471 #define __ARCH_WANT_STAT64
472 #define __ARCH_WANT_SYS_ALARM
473 /* #define __ARCH_WANT_SYS_GETHOSTNAME */
474 #define __ARCH_WANT_SYS_PAUSE
475 /* #define __ARCH_WANT_SYS_SGETMASK */
476 /* #define __ARCH_WANT_SYS_SIGNAL */
477 #define __ARCH_WANT_SYS_TIME
478 #define __ARCH_WANT_SYS_UTIME
479 #define __ARCH_WANT_SYS_WAITPID
480 #define __ARCH_WANT_SYS_SOCKETCALL
481 #define __ARCH_WANT_SYS_FADVISE64
482 #define __ARCH_WANT_SYS_GETPGRP
483 #define __ARCH_WANT_SYS_LLSEEK
484 #define __ARCH_WANT_SYS_NICE
485 /* #define __ARCH_WANT_SYS_OLD_GETRLIMIT */
486 #define __ARCH_WANT_SYS_OLDUMOUNT
487 /* #define __ARCH_WANT_SYS_SIGPENDING */
488 #define __ARCH_WANT_SYS_SIGPROCMASK
489 #define __ARCH_WANT_SYS_RT_SIGACTION
490 #define __ARCH_WANT_SYS_RT_SIGSUSPEND
491
492 /*
493  * "Conditional" syscalls
494  *
495  * What we want is __attribute__((weak,alias("sys_ni_syscall"))),
496  * but it doesn't work on all toolchains, so we just do it by hand
497  */
498 #ifndef cond_syscall
499 #define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall")
500 #endif
501
502 #endif /* __KERNEL__ */
503 #endif /* _ASM_UNISTD_H_ */