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[/] [or1k_old/] [trunk/] [rc203soc/] [sw/] [uClinux/] [include/] [asm-sparc/] [unistd.h] - Blame information for rev 1782

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Line No. Rev Author Line
1 1633 jcastillo
/* $Id: unistd.h,v 1.1 2005-12-20 11:32:12 jcastillo 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_setup                0 /* Used only by init, to get system going.     */
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_ni_syscall       13    ENOSYS under SunOS                          */
33
#define __NR_mknod               14 /* Common                                      */
34
#define __NR_chmod               15 /* Common                                      */
35
#define __NR_chown               16 /* Common                                      */
36
#define __NR_brk                 17 /* Common                                      */
37
/* #define __NR_ni_syscall       18    ENOSYS under SunOS                          */
38
#define __NR_lseek               19 /* Common                                      */
39
#define __NR_getpid              20 /* Common                                      */
40
/* #define __NR_ni_syscall       21    ENOSYS under SunOS                          */
41
/* #define __NR_ni_syscall       22    ENOSYS under SunOS                          */
42
#define __NR_setuid              23 /* Implemented via setreuid in SunOS           */
43
#define __NR_getuid              24 /* Common                                      */
44
/* #define __NR_ni_syscall       25    ENOSYS under SunOS                          */
45
#define __NR_ptrace              26 /* Common                                      */
46
#define __NR_alarm               27 /* Implemented via setitimer in SunOS          */
47
/* #define __NR_ni_syscall       28    ENOSYS under SunOS                          */
48
#define __NR_pause               29 /* Is sigblock(0)->sigpause() in SunOS         */
49
#define __NR_utime               30 /* Implemented via utimes() under SunOS        */
50
#define __NR_stty                31 /* Implemented via ioctl() under SunOS         */
51
#define __NR_gtty                32 /* Implemented via ioctl() under SunOS         */
52
#define __NR_access              33 /* Common                                      */
53
#define __NR_nice                34 /* Implemented via get/setpriority() in SunOS  */
54
#define __NR_ftime               35 /* Implemented via gettimeofday() in SunOS     */
55
#define __NR_sync                36 /* Common                                      */
56
#define __NR_kill                37 /* Common                                      */
57
#define __NR_stat                38 /* Common                                      */
58
/* #define __NR_ni_syscall       39    ENOSYS under SunOS                          */
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_profil              44 /* Common                                      */
64
/* #define __NR_ni_syscall       45    ENOSYS under SunOS                          */
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_ni_syscall       52    ENOSYS under SunOS                          */
72
#define __NR_mctl                53 /* SunOS specific                              */
73
#define __NR_ioctl               54 /* Common                                      */
74
#define __NR_reboot              55 /* Common                                      */
75
/* #define __NR_ni_syscall       56    ENOSYS under SunOS                          */
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_ni_syscall       63    ENOSYS under SunOS                          */
83
#define __NR_getpagesize         64 /* Common                                      */
84
#define __NR_msync               65 /* Common in newer 1.3.x revs...               */
85
/* #define __NR_ni_syscall       66    ENOSYS under SunOS                          */
86
/* #define __NR_ni_syscall       67    ENOSYS under SunOS                          */
87
/* #define __NR_ni_syscall       68    ENOSYS under SunOS                          */
88
#define __NR_sbrk                69 /* SunOS Specific                              */
89
#define __NR_sstk                70 /* SunOS Specific                              */
90
#define __NR_mmap                71 /* Common                                      */
91
#define __NR_vadvise             72 /* SunOS Specific                              */
92
#define __NR_munmap              73 /* Common                                      */
93
#define __NR_mprotect            74 /* Common                                      */
94
#define __NR_madvise             75 /* SunOS Specific                              */
95
#define __NR_vhangup             76 /* Common                                      */
96
/* #define __NR_ni_syscall       77    ENOSYS under SunOS                          */
97
#define __NR_mincore             78 /* SunOS Specific                              */
98
#define __NR_getgroups           79 /* Common                                      */
99
#define __NR_setgroups           80 /* Common                                      */
100
#define __NR_getpgrp             81 /* Common                                      */
101
#define __NR_setpgrp             82 /* setpgid, same difference...                 */
102
#define __NR_setitimer           83 /* Common                                      */
103
/* #define __NR_ni_syscall       84    ENOSYS under SunOS                          */
104
#define __NR_swapon              85 /* Common                                      */
105
#define __NR_getitimer           86 /* Common                                      */
106
#define __NR_gethostname         87 /* SunOS Specific                              */
107
#define __NR_sethostname         88 /* Common                                      */
108
#define __NR_getdtablesize       89 /* SunOS Specific                              */
109
#define __NR_dup2                90 /* Common                                      */
110
#define __NR_getdopt             91 /* SunOS Specific                              */
111
#define __NR_fcntl               92 /* Common                                      */
112
#define __NR_select              93 /* Common                                      */
113
#define __NR_setdopt             94 /* SunOS Specific                              */
114
#define __NR_fsync               95 /* Common                                      */
115
#define __NR_setpriority         96 /* Common                                      */
116
#define __NR_socket              97 /* SunOS Specific                              */
117
#define __NR_connect             98 /* SunOS Specific                              */
118
#define __NR_accept              99 /* SunOS Specific                              */
119
#define __NR_getpriority        100 /* Common                                      */
120
#define __NR_send               101 /* SunOS Specific                              */
121
#define __NR_recv               102 /* SunOS Specific                              */
122
/* #define __NR_ni_syscall      103    ENOSYS under SunOS                          */
123
#define __NR_bind               104 /* SunOS Specific                              */
124
#define __NR_setsockopt         105 /* SunOS Specific                              */
125
#define __NR_listen             106 /* SunOS Specific                              */
126
/* #define __NR_ni_syscall      107    ENOSYS under SunOS                          */
127
#define __NR_sigvec             108 /* SunOS Specific                              */
128
#define __NR_sigblock           109 /* SunOS Specific                              */
129
#define __NR_sigsetmask         110 /* SunOS Specific                              */
130
#define __NR_sigpause           111 /* SunOS Specific                              */
131
#define __NR_sigstack           112 /* SunOS Specific                              */
132
#define __NR_recvmsg            113 /* SunOS Specific                              */
133
#define __NR_sendmsg            114 /* SunOS Specific                              */
134
#define __NR_vtrace             115 /* SunOS Specific                              */
135
#define __NR_gettimeofday       116 /* Common                                      */
136
#define __NR_getrusage          117 /* Common                                      */
137
#define __NR_getsockopt         118 /* SunOS Specific                              */
138
/* #define __NR_ni_syscall      119    ENOSYS under SunOS                          */
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 /* SunOS Specific                              */
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_ni_syscall      132    ENOSYS under SunOS                          */
152
#define __NR_sendto             133 /* SunOS Specific                              */
153
#define __NR_shutdown           134 /* SunOS Specific                              */
154
#define __NR_socketpair         135 /* SunOS Specific                              */
155
#define __NR_mkdir              136 /* Common                                      */
156
#define __NR_rmdir              137 /* Common                                      */
157
#define __NR_utimes             138 /* SunOS Specific                              */
158
/* #define __NR_ni_syscall      139    ENOSYS under SunOS                          */
159
#define __NR_adjtime            140 /* SunOS Specific                              */
160
#define __NR_getpeername        141 /* SunOS Specific                              */
161
#define __NR_gethostid          142 /* SunOS Specific                              */
162
/* #define __NR_ni_syscall      143    ENOSYS under SunOS                          */
163
#define __NR_getrlimit          144 /* Common                                      */
164
#define __NR_setrlimit          145 /* Common                                      */
165
#define __NR_killpg             146 /* SunOS Specific                              */
166
/* #define __NR_ni_syscall      147    ENOSYS under SunOS                          */
167
/* #define __NR_ni_syscall      148    ENOSYS under SunOS                          */
168
/* #define __NR_ni_syscall      149    ENOSYS under SunOS                          */
169
#define __NR_getsockname        150 /* SunOS Specific                              */
170
#define __NR_getmsg             151 /* SunOS Specific                              */
171
#define __NR_putmsg             152 /* SunOS Specific                              */
172
#define __NR_poll               153 /* SunOS Specific                              */
173
/* #define __NR_ni_syscall      154    ENOSYS under SunOS                          */
174
#define __NR_nfssvc             155 /* SunOS Specific                              */
175
#define __NR_getdirentries      156 /* SunOS Specific                              */
176
#define __NR_statfs             157 /* Common                                      */
177
#define __NR_fstatfs            158 /* Common                                      */
178
#define __NR_umount             159 /* Common                                      */
179
#define __NR_async_daemon       160 /* SunOS Specific                              */
180
#define __NR_getfh              161 /* SunOS Specific                              */
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_exportfs           166 /* SunOS Specific                              */
186
#define __NR_mount              167 /* Common                                      */
187
#define __NR_ustat              168 /* Common                                      */
188
#define __NR_semsys             169 /* SunOS Specific                              */
189
#define __NR_msgsys             170 /* SunOS Specific                              */
190
#define __NR_shmsys             171 /* SunOS Specific                              */
191
#define __NR_auditsys           172 /* SunOS Specific                              */
192
#define __NR_rfssys             173 /* SunOS Specific                              */
193
#define __NR_getdents           174 /* Common                                      */
194
#define __NR_setsid             175 /* Common                                      */
195
#define __NR_fchdir             176 /* Common                                      */
196
#define __NR_fchroot            177 /* SunOS Specific                              */
197
#define __NR_vpixsys            178 /* SunOS Specific                              */
198
#define __NR_aioread            179 /* SunOS Specific                              */
199
#define __NR_aiowrite           180 /* SunOS Specific                              */
200
#define __NR_aiowait            181 /* SunOS Specific                              */
201
#define __NR_aiocancel          182 /* SunOS Specific                              */
202
#define __NR_sigpending         183 /* Common                                      */
203
/* #define __NR_ni_syscall      184    ENOSYS under SunOS                          */
204
#define __NR_setpgid            185 /* Common                                      */
205
#define __NR_pathconf           186 /* SunOS Specific                              */
206
#define __NR_fpathconf          187 /* SunOS Specific                              */
207
#define __NR_sysconf            188 /* SunOS Specific                              */
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_prof               192 /* Linux Specific                              */
212
#define __NR_break              193 /* Linux Specific                              */
213
#define __NR_lock               194 /* Linux Specific                              */
214
#define __NR_mpx                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_ioperm             205 /* Linux Specific - i386 specific, unused      */
225
#define __NR_socketcall         206 /* Linux Specific                              */
226
#define __NR_syslog             207 /* Linux Specific                              */
227
#define __NR_olduname           208 /* Linux Specific                              */
228
#define __NR_iopl               209 /* Linux Specific - i386 specific, unused      */
229
#define __NR_idle               210 /* Linux Specific                              */
230
#define __NR_vm86               211 /* Linux Specific - i386 specific, unused      */
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_oldfstat           234 /* Linux Specific                              */
254
#define __NR_phys               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
 
274
#define _syscall0(type,name) \
275
type name(void) \
276
{ \
277
long __res; \
278
__asm__ volatile ("or %%g0, %0, %%g1\n\t" \
279
                  "t 0x10\n\t" \
280
                  "bcc 1f\n\t" \
281
                  "or %%g0, %%o0, %0\n\t" \
282
                  "sub %%g0, %%o0, %0\n\t" \
283
                  "1:\n\t" \
284
                  : "=r" (__res)\
285
                  : "0" (__NR_##name) \
286
                  : "g1", "o0"); \
287
if (__res >= 0) \
288
    return (type) __res; \
289
errno = -__res; \
290
return -1; \
291
}
292
 
293
#define _syscall1(type,name,type1,arg1) \
294
type name(type1 arg1) \
295
{ \
296
long __res; \
297
__asm__ volatile ("or %%g0, %0, %%g1\n\t" \
298
                  "or %%g0, %1, %%o0\n\t" \
299
                  "t 0x10\n\t" \
300
                  "bcc 1f\n\t" \
301
                  "or %%g0, %%o0, %0\n\t" \
302
                  "sub %%g0, %%o0, %0\n\t" \
303
                  "1:\n\t" \
304
                  : "=r" (__res), "=r" ((long)(arg1)) \
305
                  : "0" (__NR_##name),"1" ((long)(arg1)) \
306
                  : "g1", "o0"); \
307
if (__res >= 0) \
308
        return (type) __res; \
309
errno = -__res; \
310
return -1; \
311
}
312
 
313
#define _syscall2(type,name,type1,arg1,type2,arg2) \
314
type name(type1 arg1,type2 arg2) \
315
{ \
316
long __res; \
317
__asm__ volatile ("or %%g0, %0, %%g1\n\t" \
318
                  "or %%g0, %1, %%o0\n\t" \
319
                  "or %%g0, %2, %%o1\n\t" \
320
                  "t 0x10\n\t" \
321
                  "bcc 1f\n\t" \
322
                  "or %%g0, %%o0, %0\n\t" \
323
                  "sub %%g0,%%o0,%0\n\t" \
324
                  "1:\n\t" \
325
                  : "=r" (__res), "=r" ((long)(arg1)), "=r" ((long)(arg2)) \
326
                  : "0" (__NR_##name),"1" ((long)(arg1)),"2" ((long)(arg2)) \
327
                  : "g1", "o0", "o1"); \
328
if (__res >= 0) \
329
        return (type) __res; \
330
errno = -__res; \
331
return -1; \
332
}
333
 
334
#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
335
type name(type1 arg1,type2 arg2,type3 arg3) \
336
{ \
337
long __res; \
338
__asm__ volatile ("or %%g0, %0, %%g1\n\t" \
339
                  "or %%g0, %1, %%o0\n\t" \
340
                  "or %%g0, %2, %%o1\n\t" \
341
                  "or %%g0, %3, %%o2\n\t" \
342
                  "t 0x10\n\t" \
343
                  "bcc 1f\n\t" \
344
                  "or %%g0, %%o0, %0\n\t" \
345
                  "sub %%g0, %%o0, %0\n\t" \
346
                  "1:\n\t" \
347
                  : "=r" (__res), "=r" ((long)(arg1)), "=r" ((long)(arg2)), \
348
                    "=r" ((long)(arg3)) \
349
                  : "0" (__NR_##name), "1" ((long)(arg1)), "2" ((long)(arg2)), \
350
                    "3" ((long)(arg3)) \
351
                  : "g1", "o0", "o1", "o2"); \
352
if (__res>=0) \
353
        return (type) __res; \
354
errno = -__res; \
355
return -1; \
356
}
357
 
358
#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
359
type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
360
{ \
361
long __res; \
362
__asm__ volatile ("or %%g0, %0, %%g1\n\t" \
363
                  "or %%g0, %1, %%o0\n\t" \
364
                  "or %%g0, %2, %%o1\n\t" \
365
                  "or %%g0, %3, %%o2\n\t" \
366
                  "or %%g0, %4, %%o3\n\t" \
367
                  "t 0x10\n\t" \
368
                  "bcc 1f\n\t" \
369
                  "or %%g0, %%o0, %0\n\t" \
370
                  "sub %%g0,%%o0, %0\n\t" \
371
                  "1:\n\t" \
372
                  : "=r" (__res), "=r" ((long)(arg1)), "=r" ((long)(arg2)), \
373
                    "=r" ((long)(arg3)), "=r" ((long)(arg4)) \
374
                  : "0" (__NR_##name),"1" ((long)(arg1)),"2" ((long)(arg2)), \
375
                    "3" ((long)(arg3)),"4" ((long)(arg4)) \
376
                  : "g1", "o0", "o1", "o2", "o3"); \
377
if (__res>=0) \
378
        return (type) __res; \
379
errno = -__res; \
380
return -1; \
381
}
382
#
383
#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
384
          type5,arg5) \
385
type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
386
{ \
387
      long __res; \
388
\
389
__asm__ volatile ("or %%g0, %1, %%o0\n\t" \
390
                  "or %%g0, %2, %%o1\n\t" \
391
                  "or %%g0, %3, %%o2\n\t" \
392
                  "or %%g0, %4, %%o3\n\t" \
393
                  "or %%g0, %5, %%o4\n\t" \
394
                  "or %%g0, %6, %%g1\n\t" \
395
                  "t 0x10\n\t" \
396
                  "bcc 1f\n\t" \
397
                  "or %%g0, %%o0, %0\n\t" \
398
                  "sub %%g0, %%o0, %0\n\t" \
399
                  "1:\n\t" \
400
                  : "=r" (__res) \
401
                  : "0" ((long)(arg1)),"1" ((long)(arg2)), \
402
                    "2" ((long)(arg3)),"3" ((long)(arg4)),"4" ((long)(arg5)), \
403
                    "i" (__NR_##name)  \
404
                  : "g1", "o0", "o1", "o2", "o3", "o4"); \
405
if (__res>=0) \
406
        return (type) __res; \
407
errno = -__res; \
408
return -1; \
409
}
410
#ifdef __KERNEL_SYSCALLS__
411
 
412
/*
413
 * we need this inline - forking from kernel space will result
414
 * in NO COPY ON WRITE (!!!), until an execve is executed. This
415
 * is no problem, but for the stack. This is handled by not letting
416
 * main() use the stack at all after fork(). Thus, no function
417
 * calls - which means inline code for fork too, as otherwise we
418
 * would use the stack upon exit from 'fork()'.
419
 *
420
 * Actually only pause and fork are needed inline, so that there
421
 * won't be any messing with the stack from main(), but we define
422
 * some others too.
423
 */
424
#define __NR__exit __NR_exit
425
static inline _syscall0(int,idle)
426
static inline _syscall0(int,fork)
427
static inline _syscall2(int,clone,unsigned long,flags,char *,ksp)
428
static inline _syscall0(int,pause)
429
static inline _syscall0(int,setup)
430
static inline _syscall0(int,sync)
431
static inline _syscall0(pid_t,setsid)
432
static inline _syscall3(int,write,int,fd,const char *,buf,off_t,count)
433
static inline _syscall1(int,dup,int,fd)
434
static inline _syscall3(int,execve,const char *,file,char **,argv,char **,envp)
435
static inline _syscall3(int,open,const char *,file,int,flag,int,mode)
436
static inline _syscall1(int,close,int,fd)
437
static inline _syscall1(int,_exit,int,exitcode)
438
static inline _syscall3(pid_t,waitpid,pid_t,pid,int *,wait_stat,int,options)
439
 
440
static inline pid_t wait(int * wait_stat)
441
{
442
        return waitpid(-1,wait_stat,0);
443
}
444
 
445
/*
446
 * This is the mechanism for creating a new kernel thread.
447
 *
448
 * NOTE! Only a kernel-only process(ie the swapper or direct descendants
449
 * who haven't done an "execve()") should use this: it will work within
450
 * a system call from a "real" process, but the process memory space will
451
 * not be free'd until both the parent and the child have exited.
452
 */
453
static inline pid_t kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
454
{
455
        long retval;
456
 
457
        __asm__ __volatile("mov %4, %%g2\n\t"    /* Set aside fn ptr... */
458
                           "mov %5, %%g3\n\t"    /* and arg. */
459
                           "mov %1, %%g1\n\t"
460
                           "mov %2, %%o0\n\t"    /* Clone flags. */
461
                           "mov 0, %%o1\n\t"     /* usp arg == 0 */
462
                           "t 0x10\n\t"          /* Linux/Sparc clone(). */
463
                           "cmp %%o1, 0\n\t"
464
                           "be 1f\n\t"           /* The parent, just return. */
465
                           " nop\n\t"            /* Delay slot. */
466
                           "jmpl %%g2, %%o7\n\t" /* Call the function. */
467
                           " mov %%g3, %%o0\n\t" /* Get back the arg in delay. */
468
                           "mov %3, %%g1\n\t"
469
                           "t 0x10\n\t"          /* Linux/Sparc exit(). */
470
                           /* Notreached by child. */
471
                           "1: mov %%o0, %0\n\t" :
472
                           "=r" (retval) :
473
                           "i" (__NR_clone), "r" (flags | CLONE_VM),
474
                           "i" (__NR_exit),  "r" (fn), "r" (arg) :
475
                           "g1", "g2", "g3", "o0", "o1", "memory");
476
        return retval;
477
}
478
 
479
#endif /* __KERNEL_SYSCALLS__ */
480
 
481
/* sysconf options, for SunOS compatibility */
482
#define   _SC_ARG_MAX             1
483
#define   _SC_CHILD_MAX           2
484
#define   _SC_CLK_TCK             3
485
#define   _SC_NGROUPS_MAX         4
486
#define   _SC_OPEN_MAX            5
487
#define   _SC_JOB_CONTROL         6
488
#define   _SC_SAVED_IDS           7
489
#define   _SC_VERSION             8
490
 
491
#endif /* _SPARC_UNISTD_H */

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