1 /*
2 * include/asm-s390/unistd.h
3 *
4 * S390 version
5 *
6 * Derived from "include/asm-i386/unistd.h"
7 */
8
9 #ifndef _ASM_S390_UNISTD_H_
10 #define _ASM_S390_UNISTD_H_
11
12 /*
13 * This file contains the system call numbers.
14 */
15
16 #define __NR_exit 1
17 #define __NR_fork 2
18 #define __NR_read 3
19 #define __NR_write 4
20 #define __NR_open 5
21 #define __NR_close 6
22 #define __NR_creat 8
23 #define __NR_link 9
24 #define __NR_unlink 10
25 #define __NR_execve 11
26 #define __NR_chdir 12
27 #define __NR_time 13
28 #define __NR_mknod 14
29 #define __NR_chmod 15
30 #define __NR_lchown 16
31 #define __NR_lseek 19
32 #define __NR_getpid 20
33 #define __NR_mount 21
34 #define __NR_umount 22
35 #define __NR_setuid 23
36 #define __NR_getuid 24
37 #define __NR_stime 25
38 #define __NR_ptrace 26
39 #define __NR_alarm 27
40 #define __NR_pause 29
41 #define __NR_utime 30
42 #define __NR_access 33
43 #define __NR_nice 34
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_brk 45
53 #define __NR_setgid 46
54 #define __NR_getgid 47
55 #define __NR_signal 48
56 #define __NR_geteuid 49
57 #define __NR_getegid 50
58 #define __NR_acct 51
59 #define __NR_umount2 52
60 #define __NR_ioctl 54
61 #define __NR_fcntl 55
62 #define __NR_setpgid 57
63 #define __NR_umask 60
64 #define __NR_chroot 61
65 #define __NR_ustat 62
66 #define __NR_dup2 63
67 #define __NR_getppid 64
68 #define __NR_getpgrp 65
69 #define __NR_setsid 66
70 #define __NR_sigaction 67
71 #define __NR_setreuid 70
72 #define __NR_setregid 71
73 #define __NR_sigsuspend 72
74 #define __NR_sigpending 73
75 #define __NR_sethostname 74
76 #define __NR_setrlimit 75
77 #define __NR_getrlimit 76
78 #define __NR_getrusage 77
79 #define __NR_gettimeofday 78
80 #define __NR_settimeofday 79
81 #define __NR_getgroups 80
82 #define __NR_setgroups 81
83 #define __NR_symlink 83
84 #define __NR_readlink 85
85 #define __NR_uselib 86
86 #define __NR_swapon 87
87 #define __NR_reboot 88
88 #define __NR_readdir 89
89 #define __NR_mmap 90
90 #define __NR_munmap 91
91 #define __NR_truncate 92
92 #define __NR_ftruncate 93
93 #define __NR_fchmod 94
94 #define __NR_fchown 95
95 #define __NR_getpriority 96
96 #define __NR_setpriority 97
97 #define __NR_statfs 99
98 #define __NR_fstatfs 100
99 #define __NR_ioperm 101
100 #define __NR_socketcall 102
101 #define __NR_syslog 103
102 #define __NR_setitimer 104
103 #define __NR_getitimer 105
104 #define __NR_stat 106
105 #define __NR_lstat 107
106 #define __NR_fstat 108
107 #define __NR_vhangup 111
108 #define __NR_idle 112
109 #define __NR_wait4 114
110 #define __NR_swapoff 115
111 #define __NR_sysinfo 116
112 #define __NR_ipc 117
113 #define __NR_fsync 118
114 #define __NR_sigreturn 119
115 #define __NR_clone 120
116 #define __NR_setdomainname 121
117 #define __NR_uname 122
118 #define __NR_adjtimex 124
119 #define __NR_mprotect 125
120 #define __NR_sigprocmask 126
121 #define __NR_create_module 127
122 #define __NR_init_module 128
123 #define __NR_delete_module 129
124 #define __NR_get_kernel_syms 130
125 #define __NR_quotactl 131
126 #define __NR_getpgid 132
127 #define __NR_fchdir 133
128 #define __NR_bdflush 134
129 #define __NR_sysfs 135
130 #define __NR_personality 136
131 #define __NR_afs_syscall 137 /* Syscall for Andrew File System */
132 #define __NR_setfsuid 138
133 #define __NR_setfsgid 139
134 #define __NR__llseek 140
135 #define __NR_getdents 141
136 #define __NR__newselect 142
137 #define __NR_flock 143
138 #define __NR_msync 144
139 #define __NR_readv 145
140 #define __NR_writev 146
141 #define __NR_getsid 147
142 #define __NR_fdatasync 148
143 #define __NR__sysctl 149
144 #define __NR_mlock 150
145 #define __NR_munlock 151
146 #define __NR_mlockall 152
147 #define __NR_munlockall 153
148 #define __NR_sched_setparam 154
149 #define __NR_sched_getparam 155
150 #define __NR_sched_setscheduler 156
151 #define __NR_sched_getscheduler 157
152 #define __NR_sched_yield 158
153 #define __NR_sched_get_priority_max 159
154 #define __NR_sched_get_priority_min 160
155 #define __NR_sched_rr_get_interval 161
156 #define __NR_nanosleep 162
157 #define __NR_mremap 163
158 #define __NR_setresuid 164
159 #define __NR_getresuid 165
160 #define __NR_query_module 167
161 #define __NR_poll 168
162 #define __NR_nfsservctl 169
163 #define __NR_setresgid 170
164 #define __NR_getresgid 171
165 #define __NR_prctl 172
166 #define __NR_rt_sigreturn 173
167 #define __NR_rt_sigaction 174
168 #define __NR_rt_sigprocmask 175
169 #define __NR_rt_sigpending 176
170 #define __NR_rt_sigtimedwait 177
171 #define __NR_rt_sigqueueinfo 178
172 #define __NR_rt_sigsuspend 179
173 #define __NR_pread 180
174 #define __NR_pwrite 181
175 #define __NR_chown 182
176 #define __NR_getcwd 183
177 #define __NR_capget 184
178 #define __NR_capset 185
179 #define __NR_sigaltstack 186
180 #define __NR_sendfile 187
181 #define __NR_vfork 190
182 #define __NR_ugetrlimit 191 /* SuS compliant getrlimit */
183 #define __NR_mmap2 192
184 #define __NR_truncate64 193
185 #define __NR_ftruncate64 194
186 #define __NR_stat64 195
187 #define __NR_lstat64 196
188 #define __NR_fstat64 197
189 #define __NR_lchown32 198
190 #define __NR_getuid32 199
191 #define __NR_getgid32 200
192 #define __NR_geteuid32 201
193 #define __NR_getegid32 202
194 #define __NR_setreuid32 203
195 #define __NR_setregid32 204
196 #define __NR_getgroups32 205
197 #define __NR_setgroups32 206
198 #define __NR_fchown32 207
199 #define __NR_setresuid32 208
200 #define __NR_getresuid32 209
201 #define __NR_setresgid32 210
202 #define __NR_getresgid32 211
203 #define __NR_chown32 212
204 #define __NR_setuid32 213
205 #define __NR_setgid32 214
206 #define __NR_setfsuid32 215
207 #define __NR_setfsgid32 216
208 #define __NR_pivot_root 217
209 #define __NR_mincore 218
210 #define __NR_madvise 219
211 #define __NR_getdents64 220
212
213
214 /* user-visible error numbers are in the range -1 - -122: see <asm-s390/errno.h> */
215
216 #define __syscall_return(type, res) \
217 do { \
218 if ((unsigned long)(res) >= (unsigned long)(-125)) { \
219 errno = -(res); \
220 res = -1; \
221 } \
222 return (type) (res); \
223 } while (0)
224
225 #define _svc_clobber "cc", "memory"
226
227 #define _syscall0(type,name) \
228 type name(void) { \
229 long __res; \
230 __asm__ __volatile__ ( \
231 " svc %b1\n" \
232 " lr %0,2" \
233 : "=d" (__res) \
234 : "i" (__NR_##name) \
235 : _svc_clobber ); \
236 __syscall_return(type,__res); \
237 }
238
239 #define _syscall1(type,name,type1,arg1) \
240 type name(type1 arg1) { \
241 register type1 __arg1 asm("2") = arg1; \
242 long __res; \
243 __asm__ __volatile__ ( \
244 " svc %b1\n" \
245 " lr %0,2" \
246 : "=d" (__res) \
247 : "i" (__NR_##name), \
248 "d" (__arg1) \
249 : _svc_clobber ); \
250 __syscall_return(type,__res); \
251 }
252
253 #define _syscall2(type,name,type1,arg1,type2,arg2) \
254 type name(type1 arg1, type2 arg2) { \
255 register type1 __arg1 asm("2") = arg1; \
256 register type2 __arg2 asm("3") = arg2; \
257 long __res; \
258 __asm__ __volatile__ ( \
259 " svc %b1\n" \
260 " lr %0,2" \
261 : "=d" (__res) \
262 : "i" (__NR_##name), \
263 "d" (__arg1), \
264 "d" (__arg2) \
265 : _svc_clobber ); \
266 __syscall_return(type,__res); \
267 }
268
269 #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3)\
270 type name(type1 arg1, type2 arg2, type3 arg3) { \
271 register type1 __arg1 asm("2") = arg1; \
272 register type2 __arg2 asm("3") = arg2; \
273 register type3 __arg3 asm("4") = arg3; \
274 long __res; \
275 __asm__ __volatile__ ( \
276 " svc %b1\n" \
277 " lr %0,2" \
278 : "=d" (__res) \
279 : "i" (__NR_##name), \
280 "d" (__arg1), \
281 "d" (__arg2), \
282 "d" (__arg3) \
283 : _svc_clobber ); \
284 __syscall_return(type,__res); \
285 }
286
287 #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,\
288 type4,name4) \
289 type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) { \
290 register type1 __arg1 asm("2") = arg1; \
291 register type2 __arg2 asm("3") = arg2; \
292 register type3 __arg3 asm("4") = arg3; \
293 register type4 __arg4 asm("5") = arg4; \
294 long __res; \
295 __asm__ __volatile__ ( \
296 " svc %b1\n" \
297 " lr %0,2" \
298 : "=d" (__res) \
299 : "i" (__NR_##name), \
300 "d" (__arg1), \
301 "d" (__arg2), \
302 "d" (__arg3), \
303 "d" (__arg4) \
304 : _svc_clobber ); \
305 __syscall_return(type,__res); \
306 }
307
308 #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,\
309 type4,name4,type5,name5) \
310 type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \
311 type5 arg5) { \
312 register type1 __arg1 asm("2") = arg1; \
313 register type2 __arg2 asm("3") = arg2; \
314 register type3 __arg3 asm("4") = arg3; \
315 register type4 __arg4 asm("5") = arg4; \
316 register type5 __arg5 asm("6") = arg5; \
317 long __res; \
318 __asm__ __volatile__ ( \
319 " svc %b1\n" \
320 " lr %0,2" \
321 : "=d" (__res) \
322 : "i" (__NR_##name), \
323 "d" (__arg1), \
324 "d" (__arg2), \
325 "d" (__arg3), \
326 "d" (__arg4), \
327 "d" (__arg5) \
328 : _svc_clobber ); \
329 __syscall_return(type,__res); \
330 }
331
332 #ifdef __KERNEL_SYSCALLS__
333
334 /*
335 * we need this inline - forking from kernel space will result
336 * in NO COPY ON WRITE (!!!), until an execve is executed. This
337 * is no problem, but for the stack. This is handled by not letting
338 * main() use the stack at all after fork(). Thus, no function
339 * calls - which means inline code for fork too, as otherwise we
340 * would use the stack upon exit from 'fork()'.
341 *
342 * Actually only pause and fork are needed inline, so that there
343 * won't be any messing with the stack from main(), but we define
344 * some others too.
345 */
346 #define __NR__exit __NR_exit
347 static inline _syscall0(int,idle)
348 static inline _syscall0(int,pause)
349 static inline _syscall0(int,sync)
350 static inline _syscall0(pid_t,setsid)
351 static inline _syscall3(int,write,int,fd,const char *,buf,off_t,count)
352 static inline _syscall3(int,read,int,fd,char *,buf,off_t,count)
353 static inline _syscall3(off_t,lseek,int,fd,off_t,offset,int,count)
354 static inline _syscall1(int,dup,int,fd)
355 static inline _syscall3(int,execve,const char *,file,char **,argv,char **,envp)
356 static inline _syscall3(int,open,const char *,file,int,flag,int,mode)
357 static inline _syscall1(int,close,int,fd)
358 static inline _syscall1(int,_exit,int,exitcode)
359 static inline _syscall1(int,delete_module,const char *,name)
360 static inline _syscall2(long,stat,char *,filename,struct stat *,statbuf)
361
362 extern int sys_wait4(int, int *, int, struct rusage *);
363 static inline pid_t waitpid(int pid, int * wait_stat, int flags)
364 {
365 return sys_wait4(pid, wait_stat, flags, NULL);
366 }
367
368 static inline pid_t wait(int * wait_stat)
369 {
370 return waitpid(-1,wait_stat,0);
371 }
372
373 #endif
374
375 #endif /* _ASM_S390_UNISTD_H_ */
376
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