include/asm-v850/unistd.h

   1 /*
   2  * include/asm-v850/unistd.h -- System call numbers and invocation mechanism
   3  *
   4  *  Copyright (C) 2001,02,03,04  NEC Electronics Corporation
   5  *  Copyright (C) 2001,02,03,04  Miles Bader <miles@gnu.org>
   6  *
   7  * This file is subject to the terms and conditions of the GNU General
   8  * Public License.  See the file COPYING in the main directory of this
   9  * archive for more details.
  10  *
  11  * Written by Miles Bader <miles@gnu.org>
  12  */
  13
  14 #ifndef __V850_UNISTD_H__
  15 #define __V850_UNISTD_H__
  16
  17 #define __NR_restart_syscall      0
  18 #define __NR_exit                 1
  19 #define __NR_fork                 2
  20 #define __NR_read                 3
  21 #define __NR_write                4
  22 #define __NR_open                 5
  23 #define __NR_close                6
  24 #define __NR_waitpid              7
  25 #define __NR_creat                8
  26 #define __NR_link                 9
  27 #define __NR_unlink              10
  28 #define __NR_execve              11
  29 #define __NR_chdir               12
  30 #define __NR_time                13
  31 #define __NR_mknod               14
  32 #define __NR_chmod               15
  33 #define __NR_chown               16
  34 #define __NR_break               17
  35 #define __NR_lseek               19
  36 #define __NR_getpid              20
  37 #define __NR_mount               21
  38 #define __NR_umount              22
  39 #define __NR_setuid              23
  40 #define __NR_getuid              24
  41 #define __NR_stime               25
  42 #define __NR_ptrace              26
  43 #define __NR_alarm               27
  44 #define __NR_pause               29
  45 #define __NR_utime               30
  46 #define __NR_stty                31
  47 #define __NR_gtty                32
  48 #define __NR_access              33
  49 #define __NR_nice                34
  50 #define __NR_ftime               35
  51 #define __NR_sync                36
  52 #define __NR_kill                37
  53 #define __NR_rename              38
  54 #define __NR_mkdir               39
  55 #define __NR_rmdir               40
  56 #define __NR_dup                 41
  57 #define __NR_pipe                42
  58 #define __NR_times               43
  59 #define __NR_prof                44
  60 #define __NR_brk                 45
  61 #define __NR_setgid              46
  62 #define __NR_getgid              47
  63 #define __NR_signal              48
  64 #define __NR_geteuid             49
  65 #define __NR_getegid             50
  66 #define __NR_acct                51
  67 #define __NR_umount2             52
  68 #define __NR_lock                53
  69 #define __NR_ioctl               54
  70 #define __NR_fcntl               55
  71 #define __NR_setpgid             57
  72 #define __NR_umask               60
  73 #define __NR_chroot              61
  74 #define __NR_ustat               62
  75 #define __NR_dup2                63
  76 #define __NR_getppid             64
  77 #define __NR_getpgrp             65
  78 #define __NR_setsid              66
  79 #define __NR_sigaction           67
  80 #define __NR_sgetmask            68
  81 #define __NR_ssetmask            69
  82 #define __NR_setreuid            70
  83 #define __NR_setregid            71
  84 #define __NR_sigsuspend          72
  85 #define __NR_sigpending          73
  86 #define __NR_sethostname         74
  87 #define __NR_setrlimit           75
  88 #define __NR_ugetrlimit          76
  89 #define __NR_getrusage           77
  90 #define __NR_gettimeofday        78
  91 #define __NR_settimeofday        79
  92 #define __NR_getgroups           80
  93 #define __NR_setgroups           81
  94 #define __NR_select              82
  95 #define __NR_symlink             83
  96 #define __NR_readlink            85
  97 #define __NR_uselib              86
  98 #define __NR_swapon              87
  99 #define __NR_reboot              88
 100 #define __NR_readdir             89
 101 #define __NR_mmap                90
 102 #define __NR_munmap              91
 103 #define __NR_truncate            92
 104 #define __NR_ftruncate           93
 105 #define __NR_fchmod              94
 106 #define __NR_fchown              95
 107 #define __NR_getpriority         96
 108 #define __NR_setpriority         97
 109 #define __NR_profil              98
 110 #define __NR_statfs              99
 111 #define __NR_fstatfs            100
 112 #define __NR_socketcall         102
 113 #define __NR_syslog             103
 114 #define __NR_setitimer          104
 115 #define __NR_getitimer          105
 116 #define __NR_stat               106
 117 #define __NR_lstat              107
 118 #define __NR_fstat              108
 119 #define __NR_vhangup            111
 120 #define __NR_wait4              114
 121 #define __NR_swapoff            115
 122 #define __NR_sysinfo            116
 123 #define __NR_ipc                117
 124 #define __NR_fsync              118
 125 #define __NR_sigreturn          119
 126 #define __NR_clone              120
 127 #define __NR_setdomainname      121
 128 #define __NR_uname              122
 129 #define __NR_cacheflush         123
 130 #define __NR_adjtimex           124
 131 #define __NR_mprotect           125
 132 #define __NR_sigprocmask        126
 133 #define __NR_create_module      127
 134 #define __NR_init_module        128
 135 #define __NR_delete_module      129
 136 #define __NR_get_kernel_syms    130
 137 #define __NR_quotactl           131
 138 #define __NR_getpgid            132
 139 #define __NR_fchdir             133
 140 #define __NR_bdflush            134
 141 #define __NR_sysfs              135
 142 #define __NR_personality        136
 143 #define __NR_afs_syscall        137 /* Syscall for Andrew File System */
 144 #define __NR_setfsuid           138
 145 #define __NR_setfsgid           139
 146 #define __NR__llseek            140
 147 #define __NR_getdents           141
 148 #define __NR_flock              143
 149 #define __NR_msync              144
 150 #define __NR_readv              145
 151 #define __NR_writev             146
 152 #define __NR_getsid             147
 153 #define __NR_fdatasync          148
 154 #define __NR__sysctl            149
 155 #define __NR_mlock              150
 156 #define __NR_munlock            151
 157 #define __NR_mlockall           152
 158 #define __NR_munlockall         153
 159 #define __NR_sched_setparam             154
 160 #define __NR_sched_getparam             155
 161 #define __NR_sched_setscheduler         156
 162 #define __NR_sched_getscheduler         157
 163 #define __NR_sched_yield                158
 164 #define __NR_sched_get_priority_max     159
 165 #define __NR_sched_get_priority_min     160
 166 #define __NR_sched_rr_get_interval      161
 167 #define __NR_nanosleep          162
 168 #define __NR_mremap             163
 169 #define __NR_setresuid          164
 170 #define __NR_getresuid          165
 171 #define __NR_query_module       167
 172 #define __NR_poll               168
 173 #define __NR_nfsservctl         169
 174 #define __NR_setresgid          170
 175 #define __NR_getresgid          171
 176 #define __NR_prctl              172
 177 #define __NR_rt_sigreturn       173
 178 #define __NR_rt_sigaction       174
 179 #define __NR_rt_sigprocmask     175
 180 #define __NR_rt_sigpending      176
 181 #define __NR_rt_sigtimedwait    177
 182 #define __NR_rt_sigqueueinfo    178
 183 #define __NR_rt_sigsuspend      179
 184 #define __NR_pread              180
 185 #define __NR_pwrite             181
 186 #define __NR_lchown             182
 187 #define __NR_getcwd             183
 188 #define __NR_capget             184
 189 #define __NR_capset             185
 190 #define __NR_sigaltstack        186
 191 #define __NR_sendfile           187
 192 #define __NR_getpmsg            188     /* some people actually want streams */
 193 #define __NR_putpmsg            189     /* some people actually want streams */
 194 #define __NR_vfork              190
 195 #define __NR_mmap2              192
 196 #define __NR_truncate64         193
 197 #define __NR_ftruncate64        194
 198 #define __NR_stat64             195
 199 #define __NR_lstat64            196
 200 #define __NR_fstat64            197
 201 #define __NR_fcntl64            198
 202 #define __NR_getdents64         199
 203 #define __NR_pivot_root         200
 204 #define __NR_gettid             201
 205 #define __NR_tkill              202
 206
 207
 208 /* Syscall protocol:
 209    Syscall number in r12, args in r6-r9, r13-r14
 210    Return value in r10
 211    Trap 0 for `short' syscalls, where all the args can fit in function
 212    call argument registers, and trap 1 when there are additional args in
 213    r13-r14.  */
 214
 215 #define SYSCALL_NUM     "r12"
 216 #define SYSCALL_ARG0    "r6"
 217 #define SYSCALL_ARG1    "r7"
 218 #define SYSCALL_ARG2    "r8"
 219 #define SYSCALL_ARG3    "r9"
 220 #define SYSCALL_ARG4    "r13"
 221 #define SYSCALL_ARG5    "r14"
 222 #define SYSCALL_RET     "r10"
 223
 224 #define SYSCALL_SHORT_TRAP      "0"
 225 #define SYSCALL_LONG_TRAP       "1"
 226
 227 /* Registers clobbered by any syscall.  This _doesn't_ include the syscall
 228    number (r12) or the `extended arg' registers (r13, r14), even though
 229    they are actually clobbered too (this is because gcc's `asm' statement
 230    doesn't allow a clobber to be used as an input or output).  */
 231 #define SYSCALL_CLOBBERS        "r1", "r5", "r11", "r15", "r16", \
 232                                 "r17", "r18", "r19"
 233
 234 /* Registers clobbered by a `short' syscall.  This includes all clobbers
 235    except the syscall number (r12).  */
 236 #define SYSCALL_SHORT_CLOBBERS  SYSCALL_CLOBBERS, "r13", "r14"
 237
 238 #ifdef __KERNEL__
 239
 240 #include <asm/clinkage.h>
 241 #include <linux/err.h>
 242
 243 #define __syscall_return(type, res)                                           \
 244   do {                                                                        \
 245           /* user-visible error numbers are in the range -1 - -MAX_ERRNO:      \
 246              see <asm-v850/errno.h> */                                        \
 247           if (__builtin_expect ((unsigned long)(res) >= (unsigned long)(-MAX_ERRNO), 0)) { \
 248                   errno = -(res);                                             \
 249                   res = -1;                                                   \
 250           }                                                                   \
 251           return (type) (res);                                                \
 252   } while (0)
 253
 254
 255 #define _syscall0(type, name)                                                 \
 256 type name (void)                                                              \
 257 {                                                                             \
 258   register unsigned long __syscall __asm__ (SYSCALL_NUM) = __NR_##name;       \
 259   register unsigned long __ret __asm__ (SYSCALL_RET);                         \
 260   __asm__ __volatile__ ("trap " SYSCALL_SHORT_TRAP                            \
 261                         : "=r" (__ret), "=r" (__syscall)                      \
 262                         : "1" (__syscall)                                     \
 263                         : SYSCALL_SHORT_CLOBBERS);                            \
 264   __syscall_return (type, __ret);                                             \
 265 }
 266
 267 #define _syscall1(type, name, atype, a)                                       \
 268 type name (atype a)                                                           \
 269 {                                                                             \
 270   register atype __a __asm__ (SYSCALL_ARG0) = a;                              \
 271   register unsigned long __syscall __asm__ (SYSCALL_NUM) = __NR_##name;       \
 272   register unsigned long __ret __asm__ (SYSCALL_RET);                         \
 273   __asm__ __volatile__ ("trap " SYSCALL_SHORT_TRAP                            \
 274                         : "=r" (__ret), "=r" (__syscall)                      \
 275                         : "1" (__syscall), "r" (__a)                          \
 276                         : SYSCALL_SHORT_CLOBBERS);                            \
 277   __syscall_return (type, __ret);                                             \
 278 }
 279
 280 #define _syscall2(type, name, atype, a, btype, b)                             \
 281 type name (atype a, btype b)                                                  \
 282 {                                                                             \
 283   register atype __a __asm__ (SYSCALL_ARG0) = a;                              \
 284   register btype __b __asm__ (SYSCALL_ARG1) = b;                              \
 285   register unsigned long __syscall __asm__ (SYSCALL_NUM) = __NR_##name;       \
 286   register unsigned long __ret __asm__ (SYSCALL_RET);                         \
 287   __asm__ __volatile__ ("trap " SYSCALL_SHORT_TRAP                            \
 288                         : "=r" (__ret), "=r" (__syscall)                      \
 289                         : "1" (__syscall), "r" (__a), "r" (__b)               \
 290                         : SYSCALL_SHORT_CLOBBERS);                            \
 291   __syscall_return (type, __ret);                                             \
 292 }
 293
 294 #define _syscall3(type, name, atype, a, btype, b, ctype, c)                   \
 295 type name (atype a, btype b, ctype c)                                         \
 296 {                                                                             \
 297   register atype __a __asm__ (SYSCALL_ARG0) = a;                              \
 298   register btype __b __asm__ (SYSCALL_ARG1) = b;                              \
 299   register ctype __c __asm__ (SYSCALL_ARG2) = c;                              \
 300   register unsigned long __syscall __asm__ (SYSCALL_NUM) = __NR_##name;       \
 301   register unsigned long __ret __asm__ (SYSCALL_RET);                         \
 302   __asm__ __volatile__ ("trap " SYSCALL_SHORT_TRAP                            \
 303                         : "=r" (__ret), "=r" (__syscall)                      \
 304                         : "1" (__syscall), "r" (__a), "r" (__b), "r" (__c)    \
 305                         : SYSCALL_SHORT_CLOBBERS);                            \
 306   __syscall_return (type, __ret);                                             \
 307 }
 308
 309 #define _syscall4(type, name, atype, a, btype, b, ctype, c, dtype, d)         \
 310 type name (atype a, btype b, ctype c, dtype d)                                \
 311 {                                                                             \
 312   register atype __a __asm__ (SYSCALL_ARG0) = a;                              \
 313   register btype __b __asm__ (SYSCALL_ARG1) = b;                              \
 314   register ctype __c __asm__ (SYSCALL_ARG2) = c;                              \
 315   register dtype __d __asm__ (SYSCALL_ARG3) = d;                              \
 316   register unsigned long __syscall __asm__ (SYSCALL_NUM) = __NR_##name;       \
 317   register unsigned long __ret __asm__ (SYSCALL_RET);                         \
 318   __asm__ __volatile__ ("trap " SYSCALL_SHORT_TRAP                            \
 319                         : "=r" (__ret), "=r" (__syscall)                      \
 320                         : "1" (__syscall),                                    \
 321                         "r" (__a), "r" (__b), "r" (__c), "r" (__d)            \
 322                         : SYSCALL_SHORT_CLOBBERS);                            \
 323   __syscall_return (type, __ret);                                             \
 324 }
 325
 326 #define _syscall5(type, name, atype, a, btype, b, ctype, c, dtype, d, etype,e)\
 327 type name (atype a, btype b, ctype c, dtype d, etype e)                       \
 328 {                                                                             \
 329   register atype __a __asm__ (SYSCALL_ARG0) = a;                              \
 330   register btype __b __asm__ (SYSCALL_ARG1) = b;                              \
 331   register ctype __c __asm__ (SYSCALL_ARG2) = c;                              \
 332   register dtype __d __asm__ (SYSCALL_ARG3) = d;                              \
 333   register etype __e __asm__ (SYSCALL_ARG4) = e;                              \
 334   register unsigned long __syscall __asm__ (SYSCALL_NUM) = __NR_##name;       \
 335   register unsigned long __ret __asm__ (SYSCALL_RET);                         \
 336   __asm__ __volatile__ ("trap " SYSCALL_LONG_TRAP                             \
 337                         : "=r" (__ret), "=r" (__syscall), "=r" (__e)          \
 338                         : "1" (__syscall),                                    \
 339                         "r" (__a), "r" (__b), "r" (__c), "r" (__d), "2" (__e) \
 340                         : SYSCALL_CLOBBERS);                                  \
 341   __syscall_return (type, __ret);                                             \
 342 }
 343
 344 #define __SYSCALL6_TRAP(syscall, ret, a, b, c, d, e, f)                       \
 345   __asm__ __volatile__ ("trap " SYSCALL_LONG_TRAP                             \
 346                         : "=r" (ret), "=r" (syscall),                         \
 347                         "=r" (e), "=r" (f)                                    \
 348                         : "1" (syscall),                                      \
 349                         "r" (a), "r" (b), "r" (c), "r" (d),                   \
 350                         "2" (e), "3" (f)                                      \
 351                         : SYSCALL_CLOBBERS);
 352
 353 #define _syscall6(type, name, atype, a, btype, b, ctype, c, dtype, d, etype, e, ftype, f) \
 354 type name (atype a, btype b, ctype c, dtype d, etype e, ftype f)              \
 355 {                                                                             \
 356   register atype __a __asm__ (SYSCALL_ARG0) = a;                              \
 357   register btype __b __asm__ (SYSCALL_ARG1) = b;                              \
 358   register ctype __c __asm__ (SYSCALL_ARG2) = c;                              \
 359   register dtype __d __asm__ (SYSCALL_ARG3) = d;                              \
 360   register etype __e __asm__ (SYSCALL_ARG4) = e;                              \
 361   register etype __f __asm__ (SYSCALL_ARG5) = f;                              \
 362   register unsigned long __syscall __asm__ (SYSCALL_NUM) = __NR_##name;       \
 363   register unsigned long __ret __asm__ (SYSCALL_RET);                         \
 364   __SYSCALL6_TRAP(__syscall, __ret, __a, __b, __c, __d, __e, __f);            \
 365   __syscall_return (type, __ret);                                             \
 366 }
 367
 368
 369 #define __ARCH_WANT_IPC_PARSE_VERSION
 370 #define __ARCH_WANT_OLD_READDIR
 371 #define __ARCH_WANT_STAT64
 372 #define __ARCH_WANT_SYS_ALARM
 373 #define __ARCH_WANT_SYS_GETHOSTNAME
 374 #define __ARCH_WANT_SYS_PAUSE
 375 #define __ARCH_WANT_SYS_SGETMASK
 376 #define __ARCH_WANT_SYS_SIGNAL
 377 #define __ARCH_WANT_SYS_TIME
 378 #define __ARCH_WANT_SYS_UTIME
 379 #define __ARCH_WANT_SYS_WAITPID
 380 #define __ARCH_WANT_SYS_SOCKETCALL
 381 #define __ARCH_WANT_SYS_FADVISE64
 382 #define __ARCH_WANT_SYS_GETPGRP
 383 #define __ARCH_WANT_SYS_LLSEEK
 384 #define __ARCH_WANT_SYS_NICE
 385 #define __ARCH_WANT_SYS_OLDUMOUNT
 386 #define __ARCH_WANT_SYS_SIGPENDING
 387 #define __ARCH_WANT_SYS_SIGPROCMASK
 388 #define __ARCH_WANT_SYS_RT_SIGACTION
 389
 390 /*
 391  * "Conditional" syscalls
 392  */
 393 #define cond_syscall(name)                                                    \
 394   asm (".weak\t" C_SYMBOL_STRING(name) ";"                                    \
 395        ".set\t" C_SYMBOL_STRING(name) "," C_SYMBOL_STRING(sys_ni_syscall))
 396 #if 0
 397 /* This doesn't work if there's a function prototype for NAME visible,
 398    because the argument types probably won't match.  */
 399 #define cond_syscall(name)  \
 400   void name (void) __attribute__ ((weak, alias ("sys_ni_syscall")));
 401 #endif
 402
 403 #endif /* __KERNEL__ */
 404 #endif /* __V850_UNISTD_H__ */