linux/include/asm-s390/unistd.h
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   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_lookup_dcookie     110
 109#define __NR_vhangup            111
 110#define __NR_idle               112
 111#define __NR_wait4              114
 112#define __NR_swapoff            115
 113#define __NR_sysinfo            116
 114#define __NR_ipc                117
 115#define __NR_fsync              118
 116#define __NR_sigreturn          119
 117#define __NR_clone              120
 118#define __NR_setdomainname      121
 119#define __NR_uname              122
 120#define __NR_adjtimex           124
 121#define __NR_mprotect           125
 122#define __NR_sigprocmask        126
 123#define __NR_create_module      127
 124#define __NR_init_module        128
 125#define __NR_delete_module      129
 126#define __NR_get_kernel_syms    130
 127#define __NR_quotactl           131
 128#define __NR_getpgid            132
 129#define __NR_fchdir             133
 130#define __NR_bdflush            134
 131#define __NR_sysfs              135
 132#define __NR_personality        136
 133#define __NR_afs_syscall        137 /* Syscall for Andrew File System */
 134#define __NR_setfsuid           138
 135#define __NR_setfsgid           139
 136#define __NR__llseek            140
 137#define __NR_getdents           141
 138#define __NR__newselect         142
 139#define __NR_flock              143
 140#define __NR_msync              144
 141#define __NR_readv              145
 142#define __NR_writev             146
 143#define __NR_getsid             147
 144#define __NR_fdatasync          148
 145#define __NR__sysctl            149
 146#define __NR_mlock              150
 147#define __NR_munlock            151
 148#define __NR_mlockall           152
 149#define __NR_munlockall         153
 150#define __NR_sched_setparam             154
 151#define __NR_sched_getparam             155
 152#define __NR_sched_setscheduler         156
 153#define __NR_sched_getscheduler         157
 154#define __NR_sched_yield                158
 155#define __NR_sched_get_priority_max     159
 156#define __NR_sched_get_priority_min     160
 157#define __NR_sched_rr_get_interval      161
 158#define __NR_nanosleep          162
 159#define __NR_mremap             163
 160#define __NR_setresuid          164
 161#define __NR_getresuid          165
 162#define __NR_query_module       167
 163#define __NR_poll               168
 164#define __NR_nfsservctl         169
 165#define __NR_setresgid          170
 166#define __NR_getresgid          171
 167#define __NR_prctl              172
 168#define __NR_rt_sigreturn       173
 169#define __NR_rt_sigaction       174
 170#define __NR_rt_sigprocmask     175
 171#define __NR_rt_sigpending      176
 172#define __NR_rt_sigtimedwait    177
 173#define __NR_rt_sigqueueinfo    178
 174#define __NR_rt_sigsuspend      179
 175#define __NR_pread64            180
 176#define __NR_pwrite64           181
 177#define __NR_chown              182
 178#define __NR_getcwd             183
 179#define __NR_capget             184
 180#define __NR_capset             185
 181#define __NR_sigaltstack        186
 182#define __NR_sendfile           187
 183#define __NR_getpmsg            188
 184#define __NR_putpmsg            189
 185#define __NR_vfork              190
 186#define __NR_ugetrlimit         191     /* SuS compliant getrlimit */
 187#define __NR_mmap2              192
 188#define __NR_truncate64         193
 189#define __NR_ftruncate64        194
 190#define __NR_stat64             195
 191#define __NR_lstat64            196
 192#define __NR_fstat64            197
 193#define __NR_lchown32           198
 194#define __NR_getuid32           199
 195#define __NR_getgid32           200
 196#define __NR_geteuid32          201
 197#define __NR_getegid32          202
 198#define __NR_setreuid32         203
 199#define __NR_setregid32         204
 200#define __NR_getgroups32        205
 201#define __NR_setgroups32        206
 202#define __NR_fchown32           207
 203#define __NR_setresuid32        208
 204#define __NR_getresuid32        209
 205#define __NR_setresgid32        210
 206#define __NR_getresgid32        211
 207#define __NR_chown32            212
 208#define __NR_setuid32           213
 209#define __NR_setgid32           214
 210#define __NR_setfsuid32         215
 211#define __NR_setfsgid32         216
 212#define __NR_pivot_root         217
 213#define __NR_mincore            218
 214#define __NR_madvise            219
 215#define __NR_getdents64         220
 216#define __NR_fcntl64            221
 217#define __NR_readahead          222
 218#define __NR_sendfile64         223
 219#define __NR_setxattr           224
 220#define __NR_lsetxattr          225
 221#define __NR_fsetxattr          226
 222#define __NR_getxattr           227
 223#define __NR_lgetxattr          228
 224#define __NR_fgetxattr          229
 225#define __NR_listxattr          230
 226#define __NR_llistxattr         231
 227#define __NR_flistxattr         232
 228#define __NR_removexattr        233
 229#define __NR_lremovexattr       234
 230#define __NR_fremovexattr       235
 231#define __NR_gettid             236
 232#define __NR_tkill              237
 233#define __NR_futex              238
 234#define __NR_sched_setaffinity  239
 235#define __NR_sched_getaffinity  240
 236#define __NR_tgkill             241
 237/* Number 242 is reserved for tux */
 238#define __NR_io_setup           243
 239#define __NR_io_destroy         244
 240#define __NR_io_getevents       245
 241#define __NR_io_submit          246
 242#define __NR_io_cancel          247
 243#define __NR_exit_group         248
 244#define __NR_epoll_create       249
 245#define __NR_epoll_ctl          250
 246#define __NR_epoll_wait         251
 247#define __NR_set_tid_address    252
 248#define __NR_fadvise64          253
 249#define __NR_timer_create       254
 250#define __NR_timer_settime      (__NR_timer_create+1)
 251#define __NR_timer_gettime      (__NR_timer_create+2)
 252#define __NR_timer_getoverrun   (__NR_timer_create+3)
 253#define __NR_timer_delete       (__NR_timer_create+4)
 254#define __NR_clock_settime      (__NR_timer_create+5)
 255#define __NR_clock_gettime      (__NR_timer_create+6)
 256#define __NR_clock_getres       (__NR_timer_create+7)
 257#define __NR_clock_nanosleep    (__NR_timer_create+8)
 258/* Number 263 is reserved for vserver */
 259#define __NR_fadvise64_64       264
 260#define __NR_statfs64           265
 261#define __NR_fstatfs64          266
 262/* Number 267 is reserved for new sys_remap_file_pages */
 263/* Number 268 is reserved for new sys_mbind */
 264/* Number 269 is reserved for new sys_get_mempolicy */
 265/* Number 270 is reserved for new sys_set_mempolicy */
 266#define __NR_mq_open            271
 267#define __NR_mq_unlink          272
 268#define __NR_mq_timedsend       273
 269#define __NR_mq_timedreceive    274
 270#define __NR_mq_notify          275
 271#define __NR_mq_getsetattr      276
 272/* Number 277 is reserved for new sys_kexec_load */
 273
 274#define NR_syscalls 278
 275
 276/* 
 277 * There are some system calls that are not present on 64 bit, some
 278 * have a different name although they do the same (e.g. __NR_chown32
 279 * is __NR_chown on 64 bit).
 280 */
 281#ifdef __s390x__
 282#undef  __NR_time
 283#undef  __NR_lchown
 284#undef  __NR_setuid
 285#undef  __NR_getuid
 286#undef  __NR_stime
 287#undef  __NR_setgid
 288#undef  __NR_getgid
 289#undef  __NR_geteuid
 290#undef  __NR_getegid
 291#undef  __NR_setreuid
 292#undef  __NR_setregid
 293#undef  __NR_getrlimit
 294#undef  __NR_getgroups
 295#undef  __NR_setgroups
 296#undef  __NR_fchown
 297#undef  __NR_ioperm
 298#undef  __NR_setfsuid
 299#undef  __NR_setfsgid
 300#undef  __NR__llseek
 301#undef  __NR__newselect
 302#undef  __NR_setresuid
 303#undef  __NR_getresuid
 304#undef  __NR_setresgid
 305#undef  __NR_getresgid
 306#undef  __NR_chown
 307#undef  __NR_ugetrlimit
 308#undef  __NR_mmap2
 309#undef  __NR_truncate64
 310#undef  __NR_ftruncate64
 311#undef  __NR_stat64
 312#undef  __NR_lstat64
 313#undef  __NR_fstat64
 314#undef  __NR_lchown32
 315#undef  __NR_getuid32
 316#undef  __NR_getgid32
 317#undef  __NR_geteuid32
 318#undef  __NR_getegid32
 319#undef  __NR_setreuid32
 320#undef  __NR_setregid32
 321#undef  __NR_getgroups32
 322#undef  __NR_setgroups32
 323#undef  __NR_fchown32
 324#undef  __NR_setresuid32
 325#undef  __NR_getresuid32
 326#undef  __NR_setresgid32
 327#undef  __NR_getresgid32
 328#undef  __NR_chown32
 329#undef  __NR_setuid32
 330#undef  __NR_setgid32
 331#undef  __NR_setfsuid32
 332#undef  __NR_setfsgid32
 333#undef  __NR_getdents64
 334#undef  __NR_fcntl64
 335#undef  __NR_sendfile64
 336#undef  __NR_fadvise64_64
 337
 338#define __NR_select             142
 339#define __NR_getrlimit          191     /* SuS compliant getrlimit */
 340#define __NR_lchown             198
 341#define __NR_getuid             199
 342#define __NR_getgid             200
 343#define __NR_geteuid            201
 344#define __NR_getegid            202
 345#define __NR_setreuid           203
 346#define __NR_setregid           204
 347#define __NR_getgroups          205
 348#define __NR_setgroups          206
 349#define __NR_fchown             207
 350#define __NR_setresuid          208
 351#define __NR_getresuid          209
 352#define __NR_setresgid          210
 353#define __NR_getresgid          211
 354#define __NR_chown              212
 355#define __NR_setuid             213
 356#define __NR_setgid             214
 357#define __NR_setfsuid           215
 358#define __NR_setfsgid           216
 359
 360#endif
 361
 362/* user-visible error numbers are in the range -1 - -122: see <asm-s390/errno.h> */
 363
 364#define __syscall_return(type, res)                          \
 365do {                                                         \
 366        if ((unsigned long)(res) >= (unsigned long)(-125)) { \
 367                errno = -(res);                              \
 368                res = -1;                                    \
 369        }                                                    \
 370        return (type) (res);                                 \
 371} while (0)
 372
 373#define _svc_clobber "1", "cc", "memory"
 374
 375#define _syscall0(type,name)                                 \
 376type name(void) {                                            \
 377        register long __svcres asm("2");                     \
 378        long __res;                                          \
 379        __asm__ __volatile__ (                               \
 380                "    .if %1 < 256\n"                         \
 381                "    svc %b1\n"                              \
 382                "    .else\n"                                \
 383                "    la  %%r1,%1\n"                          \
 384                "    svc 0\n"                                \
 385                "    .endif"                                 \
 386                : "=d" (__svcres)                            \
 387                : "i" (__NR_##name)                          \
 388                : _svc_clobber );                            \
 389        __res = __svcres;                                    \
 390        __syscall_return(type,__res);                        \
 391}
 392
 393#define _syscall1(type,name,type1,arg1)                      \
 394type name(type1 arg1) {                                      \
 395        register type1 __arg1 asm("2") = arg1;               \
 396        register long __svcres asm("2");                     \
 397        long __res;                                          \
 398        __asm__ __volatile__ (                               \
 399                "    .if %1 < 256\n"                         \
 400                "    svc %b1\n"                              \
 401                "    .else\n"                                \
 402                "    la  %%r1,%1\n"                          \
 403                "    svc 0\n"                                \
 404                "    .endif"                                 \
 405                : "=d" (__svcres)                            \
 406                : "i" (__NR_##name),                         \
 407                  "0" (__arg1)                               \
 408                : _svc_clobber );                            \
 409        __res = __svcres;                                    \
 410        __syscall_return(type,__res);                        \
 411}
 412
 413#define _syscall2(type,name,type1,arg1,type2,arg2)           \
 414type name(type1 arg1, type2 arg2) {                          \
 415        register type1 __arg1 asm("2") = arg1;               \
 416        register type2 __arg2 asm("3") = arg2;               \
 417        register long __svcres asm("2");                     \
 418        long __res;                                          \
 419        __asm__ __volatile__ (                               \
 420                "    .if %1 < 256\n"                         \
 421                "    svc %b1\n"                              \
 422                "    .else\n"                                \
 423                "    la %%r1,%1\n"                           \
 424                "    svc 0\n"                                \
 425                "    .endif"                                 \
 426                : "=d" (__svcres)                            \
 427                : "i" (__NR_##name),                         \
 428                  "0" (__arg1),                              \
 429                  "d" (__arg2)                               \
 430                : _svc_clobber );                            \
 431        __res = __svcres;                                    \
 432        __syscall_return(type,__res);                        \
 433}
 434
 435#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3)\
 436type name(type1 arg1, type2 arg2, type3 arg3) {              \
 437        register type1 __arg1 asm("2") = arg1;               \
 438        register type2 __arg2 asm("3") = arg2;               \
 439        register type3 __arg3 asm("4") = arg3;               \
 440        register long __svcres asm("2");                     \
 441        long __res;                                          \
 442        __asm__ __volatile__ (                               \
 443                "    .if %1 < 256\n"                         \
 444                "    svc %b1\n"                              \
 445                "    .else\n"                                \
 446                "    la  %%r1,%1\n"                          \
 447                "    svc 0\n"                                \
 448                "    .endif"                                 \
 449                : "=d" (__svcres)                            \
 450                : "i" (__NR_##name),                         \
 451                  "0" (__arg1),                              \
 452                  "d" (__arg2),                              \
 453                  "d" (__arg3)                               \
 454                : _svc_clobber );                            \
 455        __res = __svcres;                                    \
 456        __syscall_return(type,__res);                        \
 457}
 458
 459#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,\
 460                  type4,name4)                               \
 461type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) {  \
 462        register type1 __arg1 asm("2") = arg1;               \
 463        register type2 __arg2 asm("3") = arg2;               \
 464        register type3 __arg3 asm("4") = arg3;               \
 465        register type4 __arg4 asm("5") = arg4;               \
 466        register long __svcres asm("2");                     \
 467        long __res;                                          \
 468        __asm__ __volatile__ (                               \
 469                "    .if %1 < 256\n"                         \
 470                "    svc %b1\n"                              \
 471                "    .else\n"                                \
 472                "    la  %%r1,%1\n"                          \
 473                "    svc 0\n"                                \
 474                "    .endif"                                 \
 475                : "=d" (__svcres)                            \
 476                : "i" (__NR_##name),                         \
 477                  "0" (__arg1),                              \
 478                  "d" (__arg2),                              \
 479                  "d" (__arg3),                              \
 480                  "d" (__arg4)                               \
 481                : _svc_clobber );                            \
 482        __res = __svcres;                                    \
 483        __syscall_return(type,__res);                        \
 484}
 485
 486#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,\
 487                  type4,name4,type5,name5)                   \
 488type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4,    \
 489          type5 arg5) {                                      \
 490        register type1 __arg1 asm("2") = arg1;               \
 491        register type2 __arg2 asm("3") = arg2;               \
 492        register type3 __arg3 asm("4") = arg3;               \
 493        register type4 __arg4 asm("5") = arg4;               \
 494        register type5 __arg5 asm("6") = arg5;               \
 495        register long __svcres asm("2");                     \
 496        long __res;                                          \
 497        __asm__ __volatile__ (                               \
 498                "    .if %1 < 256\n"                         \
 499                "    svc %b1\n"                              \
 500                "    .else\n"                                \
 501                "    la  %%r1,%1\n"                          \
 502                "    svc 0\n"                                \
 503                "    .endif"                                 \
 504                : "=d" (__svcres)                            \
 505                : "i" (__NR_##name),                         \
 506                  "0" (__arg1),                              \
 507                  "d" (__arg2),                              \
 508                  "d" (__arg3),                              \
 509                  "d" (__arg4),                              \
 510                  "d" (__arg5)                               \
 511                : _svc_clobber );                            \
 512        __res = __svcres;                                    \
 513        __syscall_return(type,__res);                        \
 514}
 515
 516#ifdef __KERNEL__
 517#define __ARCH_WANT_IPC_PARSE_VERSION
 518#define __ARCH_WANT_OLD_READDIR
 519#define __ARCH_WANT_SYS_ALARM
 520#define __ARCH_WANT_SYS_GETHOSTNAME
 521#define __ARCH_WANT_SYS_PAUSE
 522#define __ARCH_WANT_SYS_SIGNAL
 523#define __ARCH_WANT_SYS_UTIME
 524#define __ARCH_WANT_SYS_SOCKETCALL
 525#define __ARCH_WANT_SYS_FADVISE64
 526#define __ARCH_WANT_SYS_GETPGRP
 527#define __ARCH_WANT_SYS_LLSEEK
 528#define __ARCH_WANT_SYS_NICE
 529#define __ARCH_WANT_SYS_OLD_GETRLIMIT
 530#define __ARCH_WANT_SYS_OLDUMOUNT
 531#define __ARCH_WANT_SYS_SIGPENDING
 532#define __ARCH_WANT_SYS_SIGPROCMASK
 533#define __ARCH_WANT_SYS_RT_SIGACTION
 534# ifdef CONFIG_ARCH_S390_31
 535#   define __ARCH_WANT_STAT64
 536#   define __ARCH_WANT_SYS_TIME
 537# endif
 538# define __ARCH_WANT_COMPAT_SYS_TIME
 539#endif
 540
 541#ifdef __KERNEL_SYSCALLS__
 542
 543#include <linux/config.h>
 544#include <linux/compiler.h>
 545#include <linux/types.h>
 546#include <asm/ptrace.h>
 547#include <asm/stat.h>
 548#include <linux/syscalls.h>
 549
 550/*
 551 * we need this inline - forking from kernel space will result
 552 * in NO COPY ON WRITE (!!!), until an execve is executed. This
 553 * is no problem, but for the stack. This is handled by not letting
 554 * main() use the stack at all after fork(). Thus, no function
 555 * calls - which means inline code for fork too, as otherwise we
 556 * would use the stack upon exit from 'fork()'.
 557 *
 558 * Actually only pause and fork are needed inline, so that there
 559 * won't be any messing with the stack from main(), but we define
 560 * some others too.
 561 */
 562#define __NR__exit __NR_exit
 563static inline _syscall0(pid_t,setsid)
 564static inline _syscall3(int,write,int,fd,const char *,buf,off_t,count)
 565static inline _syscall3(int,read,int,fd,char *,buf,off_t,count)
 566static inline _syscall3(off_t,lseek,int,fd,off_t,offset,int,count)
 567static inline _syscall1(int,dup,int,fd)
 568static inline _syscall3(int,execve,const char *,file,char **,argv,char **,envp)
 569static inline _syscall3(int,open,const char *,file,int,flag,int,mode)
 570static inline _syscall1(int,close,int,fd)
 571static inline _syscall2(long,stat,char *,filename,struct stat *,statbuf)
 572
 573static inline pid_t waitpid(int pid, int *wait_stat, int flags)
 574{
 575        return sys_wait4(pid, wait_stat, flags, NULL);
 576}
 577struct mmap_arg_struct;
 578asmlinkage long sys_mmap2(struct mmap_arg_struct __user *arg);
 579
 580asmlinkage long sys_execve(struct pt_regs regs);
 581asmlinkage long sys_clone(struct pt_regs regs);
 582asmlinkage long sys_fork(struct pt_regs regs);
 583asmlinkage long sys_vfork(struct pt_regs regs);
 584asmlinkage long sys_pipe(unsigned long __user *fildes);
 585asmlinkage long sys_ptrace(long request, long pid, long addr, long data);
 586struct sigaction;
 587asmlinkage long sys_rt_sigaction(int sig,
 588                                const struct sigaction __user *act,
 589                                struct sigaction __user *oact,
 590                                size_t sigsetsize);
 591
 592#endif
 593
 594/*
 595 * "Conditional" syscalls
 596 *
 597 * What we want is __attribute__((weak,alias("sys_ni_syscall"))),
 598 * but it doesn't work on all toolchains, so we just do it by hand
 599 */
 600#define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall");
 601
 602#endif /* _ASM_S390_UNISTD_H_ */
 603
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