include/asm-s390x/unistd.h

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