include/asm-s390/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_restart_syscall      7
  23 #define __NR_creat                8
  24 #define __NR_link                 9
  25 #define __NR_unlink              10
  26 #define __NR_execve              11
  27 #define __NR_chdir               12
  28 #define __NR_time                13
  29 #define __NR_mknod               14
  30 #define __NR_chmod               15
  31 #define __NR_lchown              16
  32 #define __NR_lseek               19
  33 #define __NR_getpid              20
  34 #define __NR_mount               21
  35 #define __NR_umount              22
  36 #define __NR_setuid              23
  37 #define __NR_getuid              24
  38 #define __NR_stime               25
  39 #define __NR_ptrace              26
  40 #define __NR_alarm               27
  41 #define __NR_pause               29
  42 #define __NR_utime               30
  43 #define __NR_access              33
  44 #define __NR_nice                34
  45 #define __NR_sync                36
  46 #define __NR_kill                37
  47 #define __NR_rename              38
  48 #define __NR_mkdir               39
  49 #define __NR_rmdir               40
  50 #define __NR_dup                 41
  51 #define __NR_pipe                42
  52 #define __NR_times               43
  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_ioctl               54
  62 #define __NR_fcntl               55
  63 #define __NR_setpgid             57
  64 #define __NR_umask               60
  65 #define __NR_chroot              61
  66 #define __NR_ustat               62
  67 #define __NR_dup2                63
  68 #define __NR_getppid             64
  69 #define __NR_getpgrp             65
  70 #define __NR_setsid              66
  71 #define __NR_sigaction           67
  72 #define __NR_setreuid            70
  73 #define __NR_setregid            71
  74 #define __NR_sigsuspend          72
  75 #define __NR_sigpending          73
  76 #define __NR_sethostname         74
  77 #define __NR_setrlimit           75
  78 #define __NR_getrlimit           76
  79 #define __NR_getrusage           77
  80 #define __NR_gettimeofday        78
  81 #define __NR_settimeofday        79
  82 #define __NR_getgroups           80
  83 #define __NR_setgroups           81
  84 #define __NR_symlink             83
  85 #define __NR_readlink            85
  86 #define __NR_uselib              86
  87 #define __NR_swapon              87
  88 #define __NR_reboot              88
  89 #define __NR_readdir             89
  90 #define __NR_mmap                90
  91 #define __NR_munmap              91
  92 #define __NR_truncate            92
  93 #define __NR_ftruncate           93
  94 #define __NR_fchmod              94
  95 #define __NR_fchown              95
  96 #define __NR_getpriority         96
  97 #define __NR_setpriority         97
  98 #define __NR_statfs              99
  99 #define __NR_fstatfs            100
 100 #define __NR_ioperm             101
 101 #define __NR_socketcall         102
 102 #define __NR_syslog             103
 103 #define __NR_setitimer          104
 104 #define __NR_getitimer          105
 105 #define __NR_stat               106
 106 #define __NR_lstat              107
 107 #define __NR_fstat              108
 108 #define __NR_vhangup            111
 109 #define __NR_idle               112
 110 #define __NR_wait4              114
 111 #define __NR_swapoff            115
 112 #define __NR_sysinfo            116
 113 #define __NR_ipc                117
 114 #define __NR_fsync              118
 115 #define __NR_sigreturn          119
 116 #define __NR_clone              120
 117 #define __NR_setdomainname      121
 118 #define __NR_uname              122
 119 #define __NR_adjtimex           124
 120 #define __NR_mprotect           125
 121 #define __NR_sigprocmask        126
 122 #define __NR_create_module      127
 123 #define __NR_init_module        128
 124 #define __NR_delete_module      129
 125 #define __NR_get_kernel_syms    130
 126 #define __NR_quotactl           131
 127 #define __NR_getpgid            132
 128 #define __NR_fchdir             133
 129 #define __NR_bdflush            134
 130 #define __NR_sysfs              135
 131 #define __NR_personality        136
 132 #define __NR_afs_syscall        137 /* Syscall for Andrew File System */
 133 #define __NR_setfsuid           138
 134 #define __NR_setfsgid           139
 135 #define __NR__llseek            140
 136 #define __NR_getdents           141
 137 #define __NR__newselect         142
 138 #define __NR_flock              143
 139 #define __NR_msync              144
 140 #define __NR_readv              145
 141 #define __NR_writev             146
 142 #define __NR_getsid             147
 143 #define __NR_fdatasync          148
 144 #define __NR__sysctl            149
 145 #define __NR_mlock              150
 146 #define __NR_munlock            151
 147 #define __NR_mlockall           152
 148 #define __NR_munlockall         153
 149 #define __NR_sched_setparam             154
 150 #define __NR_sched_getparam             155
 151 #define __NR_sched_setscheduler         156
 152 #define __NR_sched_getscheduler         157
 153 #define __NR_sched_yield                158
 154 #define __NR_sched_get_priority_max     159
 155 #define __NR_sched_get_priority_min     160
 156 #define __NR_sched_rr_get_interval      161
 157 #define __NR_nanosleep          162
 158 #define __NR_mremap             163
 159 #define __NR_setresuid          164
 160 #define __NR_getresuid          165
 161 #define __NR_query_module       167
 162 #define __NR_poll               168
 163 #define __NR_nfsservctl         169
 164 #define __NR_setresgid          170
 165 #define __NR_getresgid          171
 166 #define __NR_prctl              172
 167 #define __NR_rt_sigreturn       173
 168 #define __NR_rt_sigaction       174
 169 #define __NR_rt_sigprocmask     175
 170 #define __NR_rt_sigpending      176
 171 #define __NR_rt_sigtimedwait    177
 172 #define __NR_rt_sigqueueinfo    178
 173 #define __NR_rt_sigsuspend      179
 174 #define __NR_pread64            180
 175 #define __NR_pwrite64           181
 176 #define __NR_chown              182
 177 #define __NR_getcwd             183
 178 #define __NR_capget             184
 179 #define __NR_capset             185
 180 #define __NR_sigaltstack        186
 181 #define __NR_sendfile           187
 182 #define __NR_getpmsg            188
 183 #define __NR_putpmsg            189
 184 #define __NR_vfork              190
 185 #define __NR_ugetrlimit         191     /* SuS compliant getrlimit */
 186 #define __NR_mmap2              192
 187 #define __NR_truncate64         193
 188 #define __NR_ftruncate64        194
 189 #define __NR_stat64             195
 190 #define __NR_lstat64            196
 191 #define __NR_fstat64            197
 192 #define __NR_lchown32           198
 193 #define __NR_getuid32           199
 194 #define __NR_getgid32           200
 195 #define __NR_geteuid32          201
 196 #define __NR_getegid32          202
 197 #define __NR_setreuid32         203
 198 #define __NR_setregid32         204
 199 #define __NR_getgroups32        205
 200 #define __NR_setgroups32        206
 201 #define __NR_fchown32           207
 202 #define __NR_setresuid32        208
 203 #define __NR_getresuid32        209
 204 #define __NR_setresgid32        210
 205 #define __NR_getresgid32        211
 206 #define __NR_chown32            212
 207 #define __NR_setuid32           213
 208 #define __NR_setgid32           214
 209 #define __NR_setfsuid32         215
 210 #define __NR_setfsgid32         216
 211 #define __NR_pivot_root         217
 212 #define __NR_mincore            218
 213 #define __NR_madvise            219
 214 #define __NR_getdents64         220
 215 #define __NR_fcntl64            221
 216 #define __NR_readahead          222
 217 #define __NR_sendfile64         223
 218 #define __NR_setxattr           224
 219 #define __NR_lsetxattr          225
 220 #define __NR_fsetxattr          226
 221 #define __NR_getxattr           227
 222 #define __NR_lgetxattr          228
 223 #define __NR_fgetxattr          229
 224 #define __NR_listxattr          230
 225 #define __NR_llistxattr         231
 226 #define __NR_flistxattr         232
 227 #define __NR_removexattr        233
 228 #define __NR_lremovexattr       234
 229 #define __NR_fremovexattr       235
 230 #define __NR_gettid             236
 231 #define __NR_tkill              237
 232 #define __NR_futex              238
 233 #define __NR_sched_setaffinity  239
 234 #define __NR_sched_getaffinity  240
 235 /*
 236  * Number 241 is currently unused
 237  */
 238 /*
 239  * Number 242 is reserved for tux
 240  */
 241 #define __NR_io_setup           243
 242 #define __NR_io_destroy         244
 243 #define __NR_io_getevents       245
 244 #define __NR_io_submit          246
 245 #define __NR_io_cancel          247
 246 #define __NR_exit_group         248
 247 #define __NR_epoll_create       249
 248 #define __NR_epoll_ctl          250
 249 #define __NR_epoll_wait         251
 250 #define __NR_set_tid_address    252
 251 #define __NR_fadvise64          253
 252 #define __NR_timer_create       254
 253 #define __NR_timer_settime      (__NR_timer_create+1)
 254 #define __NR_timer_gettime      (__NR_timer_create+2)
 255 #define __NR_timer_getoverrun   (__NR_timer_create+3)
 256 #define __NR_timer_delete       (__NR_timer_create+4)
 257 #define __NR_clock_settime      (__NR_timer_create+5)
 258 #define __NR_clock_gettime      (__NR_timer_create+6)
 259 #define __NR_clock_getres       (__NR_timer_create+7)
 260 #define __NR_clock_nanosleep    (__NR_timer_create+8)
 261
 262 #define NR_syscalls 263
 263
 264 /*
 265  * There are some system calls that are not present on 64 bit, some
 266  * have a different name although they do the same (e.g. __NR_chown32
 267  * is __NR_chown on 64 bit).
 268  */
 269 #ifdef __s390x__
 270 #undef  __NR_time
 271 #undef  __NR_lchown
 272 #undef  __NR_setuid
 273 #undef  __NR_getuid
 274 #undef  __NR_stime
 275 #undef  __NR_setgid
 276 #undef  __NR_getgid
 277 #undef  __NR_geteuid
 278 #undef  __NR_getegid
 279 #undef  __NR_setreuid
 280 #undef  __NR_setregid
 281 #undef  __NR_getrlimit
 282 #undef  __NR_getgroups
 283 #undef  __NR_setgroups
 284 #undef  __NR_fchown
 285 #undef  __NR_ioperm
 286 #undef  __NR_setfsuid
 287 #undef  __NR_setfsgid
 288 #undef  __NR__llseek
 289 #undef  __NR__newselect
 290 #undef  __NR_setresuid
 291 #undef  __NR_getresuid
 292 #undef  __NR_setresgid
 293 #undef  __NR_getresgid
 294 #undef  __NR_chown
 295 #undef  __NR_ugetrlimit
 296 #undef  __NR_mmap2
 297 #undef  __NR_truncate64
 298 #undef  __NR_ftruncate64
 299 #undef  __NR_stat64
 300 #undef  __NR_lstat64
 301 #undef  __NR_fstat64
 302 #undef  __NR_lchown32
 303 #undef  __NR_getuid32
 304 #undef  __NR_getgid32
 305 #undef  __NR_geteuid32
 306 #undef  __NR_getegid32
 307 #undef  __NR_setreuid32
 308 #undef  __NR_setregid32
 309 #undef  __NR_getgroups32
 310 #undef  __NR_setgroups32
 311 #undef  __NR_fchown32
 312 #undef  __NR_setresuid32
 313 #undef  __NR_getresuid32
 314 #undef  __NR_setresgid32
 315 #undef  __NR_getresgid32
 316 #undef  __NR_chown32
 317 #undef  __NR_setuid32
 318 #undef  __NR_setgid32
 319 #undef  __NR_setfsuid32
 320 #undef  __NR_setfsgid32
 321 #undef  __NR_getdents64
 322 #undef  __NR_fcntl64
 323 #undef  __NR_sendfile64
 324
 325 #define __NR_select             142
 326 #define __NR_getrlimit          191     /* SuS compliant getrlimit */
 327 #define __NR_lchown             198
 328 #define __NR_getuid             199
 329 #define __NR_getgid             200
 330 #define __NR_geteuid            201
 331 #define __NR_getegid            202
 332 #define __NR_setreuid           203
 333 #define __NR_setregid           204
 334 #define __NR_getgroups          205
 335 #define __NR_setgroups          206
 336 #define __NR_fchown             207
 337 #define __NR_setresuid          208
 338 #define __NR_getresuid          209
 339 #define __NR_setresgid          210
 340 #define __NR_getresgid          211
 341 #define __NR_chown              212
 342 #define __NR_setuid             213
 343 #define __NR_setgid             214
 344 #define __NR_setfsuid           215
 345 #define __NR_setfsgid           216
 346
 347 #endif
 348
 349 /* user-visible error numbers are in the range -1 - -122: see <asm-s390/errno.h> */
 350
 351 #define __syscall_return(type, res)                          \
 352 do {                                                         \
 353         if ((unsigned long)(res) >= (unsigned long)(-125)) { \
 354                 errno = -(res);                              \
 355                 res = -1;                                    \
 356         }                                                    \
 357         return (type) (res);                                 \
 358 } while (0)
 359
 360 #define _svc_clobber "1", "cc", "memory"
 361
 362 #define _syscall0(type,name)                                 \
 363 type name(void) {                                            \
 364         register long __svcres asm("2");                     \
 365         long __res;                                          \
 366         __asm__ __volatile__ (                               \
 367                 "    .if %1 < 256\n"                         \
 368                 "    svc %b1\n"                              \
 369                 "    .else\n"                                \
 370                 "    la  %%r1,%1\n"                          \
 371                 "    svc 0\n"                                \
 372                 "    .endif"                                 \
 373                 : "=d" (__svcres)                            \
 374                 : "i" (__NR_##name)                          \
 375                 : _svc_clobber );                            \
 376         __res = __svcres;                                    \
 377         __syscall_return(type,__res);                        \
 378 }
 379
 380 #define _syscall1(type,name,type1,arg1)                      \
 381 type name(type1 arg1) {                                      \
 382         register type1 __arg1 asm("2") = arg1;               \
 383         register long __svcres asm("2");                     \
 384         long __res;                                          \
 385         __asm__ __volatile__ (                               \
 386                 "    .if %1 < 256\n"                         \
 387                 "    svc %b1\n"                              \
 388                 "    .else\n"                                \
 389                 "    la  %%r1,%1\n"                          \
 390                 "    svc 0\n"                                \
 391                 "    .endif"                                 \
 392                 : "=d" (__svcres)                            \
 393                 : "i" (__NR_##name),                         \
 394                   "0" (__arg1)                               \
 395                 : _svc_clobber );                            \
 396         __res = __svcres;                                    \
 397         __syscall_return(type,__res);                        \
 398 }
 399
 400 #define _syscall2(type,name,type1,arg1,type2,arg2)           \
 401 type name(type1 arg1, type2 arg2) {                          \
 402         register type1 __arg1 asm("2") = arg1;               \
 403         register type2 __arg2 asm("3") = arg2;               \
 404         register long __svcres asm("2");                     \
 405         long __res;                                          \
 406         __asm__ __volatile__ (                               \
 407                 "    .if %1 < 256\n"                         \
 408                 "    svc %b1\n"                              \
 409                 "    .else\n"                                \
 410                 "    la %%r1,%1\n"                           \
 411                 "    svc 0\n"                                \
 412                 "    .endif"                                 \
 413                 : "=d" (__svcres)                            \
 414                 : "i" (__NR_##name),                         \
 415                   "0" (__arg1),                              \
 416                   "d" (__arg2)                               \
 417                 : _svc_clobber );                            \
 418         __res = __svcres;                                    \
 419         __syscall_return(type,__res);                        \
 420 }
 421
 422 #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3)\
 423 type name(type1 arg1, type2 arg2, type3 arg3) {              \
 424         register type1 __arg1 asm("2") = arg1;               \
 425         register type2 __arg2 asm("3") = arg2;               \
 426         register type3 __arg3 asm("4") = arg3;               \
 427         register long __svcres asm("2");                     \
 428         long __res;                                          \
 429         __asm__ __volatile__ (                               \
 430                 "    .if %1 < 256\n"                         \
 431                 "    svc %b1\n"                              \
 432                 "    .else\n"                                \
 433                 "    la  %%r1,%1\n"                          \
 434                 "    svc 0\n"                                \
 435                 "    .endif"                                 \
 436                 : "=d" (__svcres)                            \
 437                 : "i" (__NR_##name),                         \
 438                   "0" (__arg1),                              \
 439                   "d" (__arg2),                              \
 440                   "d" (__arg3)                               \
 441                 : _svc_clobber );                            \
 442         __res = __svcres;                                    \
 443         __syscall_return(type,__res);                        \
 444 }
 445
 446 #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,\
 447                   type4,name4)                               \
 448 type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) {  \
 449         register type1 __arg1 asm("2") = arg1;               \
 450         register type2 __arg2 asm("3") = arg2;               \
 451         register type3 __arg3 asm("4") = arg3;               \
 452         register type4 __arg4 asm("5") = arg4;               \
 453         register long __svcres asm("2");                     \
 454         long __res;                                          \
 455         __asm__ __volatile__ (                               \
 456                 "    .if %1 < 256\n"                         \
 457                 "    svc %b1\n"                              \
 458                 "    .else\n"                                \
 459                 "    la  %%r1,%1\n"                          \
 460                 "    svc 0\n"                                \
 461                 "    .endif"                                 \
 462                 : "=d" (__svcres)                            \
 463                 : "i" (__NR_##name),                         \
 464                   "0" (__arg1),                              \
 465                   "d" (__arg2),                              \
 466                   "d" (__arg3),                              \
 467                   "d" (__arg4)                               \
 468                 : _svc_clobber );                            \
 469         __res = __svcres;                                    \
 470         __syscall_return(type,__res);                        \
 471 }
 472
 473 #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,\
 474                   type4,name4,type5,name5)                   \
 475 type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4,    \
 476           type5 arg5) {                                      \
 477         register type1 __arg1 asm("2") = arg1;               \
 478         register type2 __arg2 asm("3") = arg2;               \
 479         register type3 __arg3 asm("4") = arg3;               \
 480         register type4 __arg4 asm("5") = arg4;               \
 481         register type5 __arg5 asm("6") = arg5;               \
 482         register long __svcres asm("2");                     \
 483         long __res;                                          \
 484         __asm__ __volatile__ (                               \
 485                 "    .if %1 < 256\n"                         \
 486                 "    svc %b1\n"                              \
 487                 "    .else\n"                                \
 488                 "    la  %%r1,%1\n"                          \
 489                 "    svc 0\n"                                \
 490                 "    .endif"                                 \
 491                 : "=d" (__svcres)                            \
 492                 : "i" (__NR_##name),                         \
 493                   "0" (__arg1),                              \
 494                   "d" (__arg2),                              \
 495                   "d" (__arg3),                              \
 496                   "d" (__arg4),                              \
 497                   "d" (__arg5)                               \
 498                 : _svc_clobber );                            \
 499         __res = __svcres;                                    \
 500         __syscall_return(type,__res);                        \
 501 }
 502
 503 #ifdef __KERNEL_SYSCALLS__
 504
 505 #include <asm/stat.h>
 506
 507 /*
 508  * we need this inline - forking from kernel space will result
 509  * in NO COPY ON WRITE (!!!), until an execve is executed. This
 510  * is no problem, but for the stack. This is handled by not letting
 511  * main() use the stack at all after fork(). Thus, no function
 512  * calls - which means inline code for fork too, as otherwise we
 513  * would use the stack upon exit from 'fork()'.
 514  *
 515  * Actually only pause and fork are needed inline, so that there
 516  * won't be any messing with the stack from main(), but we define
 517  * some others too.
 518  */
 519 #define __NR__exit __NR_exit
 520 static inline _syscall0(pid_t,setsid)
 521 static inline _syscall3(int,write,int,fd,const char *,buf,off_t,count)
 522 static inline _syscall3(int,read,int,fd,char *,buf,off_t,count)
 523 static inline _syscall3(off_t,lseek,int,fd,off_t,offset,int,count)
 524 static inline _syscall1(int,dup,int,fd)
 525 static inline _syscall3(int,execve,const char *,file,char **,argv,char **,envp)
 526 static inline _syscall3(int,open,const char *,file,int,flag,int,mode)
 527 static inline _syscall1(int,close,int,fd)
 528 static inline _syscall1(int,_exit,int,exitcode)
 529 static inline _syscall2(long,stat,char *,filename,struct stat *,statbuf)
 530
 531 struct rusage;
 532 extern long sys_wait4(pid_t, unsigned int *, int, struct rusage *);
 533 static inline pid_t waitpid(int pid, int *wait_stat, int flags)
 534 {
 535         return sys_wait4(pid, wait_stat, flags, NULL);
 536 }
 537
 538 #endif
 539
 540 /*
 541  * "Conditional" syscalls
 542  *
 543  * What we want is __attribute__((weak,alias("sys_ni_syscall"))),
 544  * but it doesn't work on all toolchains, so we just do it by hand
 545  */
 546 #define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall");
 547
 548 #endif /* _ASM_S390_UNISTD_H_ */