libgloss/cris/linunistd.h

   1 /* Support for syscalls for cris*-axis-linux-gnu and simulators
   2    Copyright (C) 1998-2005, 2018, 2023 Axis Communications.
   3    All rights reserved.
   4
   5    Redistribution and use in source and binary forms, with or without
   6    modification, are permitted provided that the following conditions
   7    are met:
   8
   9    1. Redistributions of source code must retain the above copyright
  10       notice, this list of conditions and the following disclaimer.
  11
  12    2. Neither the name of Axis Communications nor the names of its
  13       contributors may be used to endorse or promote products derived
  14       from this software without specific prior written permission.
  15
  16    THIS SOFTWARE IS PROVIDED BY AXIS COMMUNICATIONS AND ITS CONTRIBUTORS
  17    ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  18    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  19    A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL AXIS
  20    COMMUNICATIONS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
  21    INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  22    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  23    SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24    HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  25    STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  26    IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  27    POSSIBILITY OF SUCH DAMAGE.  */
  28
  29 /* Derived from asm-etrax100/unistd.h with minor modifications to fit as
  30    LOSS for newlib.  */
  31
  32 #ifndef _ASM_ELINUX_UNISTD_H_
  33 #define _ASM_ELINUX_UNISTD_H_
  34
  35 #define _LIBC
  36
  37 /* Our callers might want to use link_warning, so provide it from here.  */
  38 #include "../config.h"
  39 #include "libnosys/warning.h"
  40
  41 #include <unistd.h>
  42 #include <errno.h>
  43
  44 /*
  45  * This file contains the system call numbers, and stub macros for libc.
  46  */
  47
  48 #define __NR_setup                0     /* used only by init, to get system going */
  49 #define __NR_exit                 1
  50 #define __NR_fork                 2
  51 #define __NR_read                 3
  52 #define __NR_write                4
  53 #define __NR_open                 5
  54 #define __NR_close                6
  55 #define __NR_waitpid              7
  56 #define __NR_creat                8
  57 #define __NR_link                 9
  58 #define __NR_unlink              10
  59 #define __NR_execve              11
  60 #define __NR_chdir               12
  61 #define __NR_time                13
  62 #define __NR_mknod               14
  63 #define __NR_chmod               15
  64 #define __NR_chown               16
  65 #define __NR_break               17
  66 #define __NR_oldstat             18
  67 #define __NR_lseek               19
  68 #define __NR_getpid              20
  69 #define __NR_mount               21
  70 #define __NR_umount              22
  71 #define __NR_setuid              23
  72 #define __NR_getuid              24
  73 #define __NR_stime               25
  74 #define __NR_ptrace              26
  75 #define __NR_alarm               27
  76 #define __NR_oldfstat            28
  77 #define __NR_pause               29
  78 #define __NR_utime               30
  79 #define __NR_stty                31
  80 #define __NR_gtty                32
  81 #define __NR_access              33
  82 #define __NR_nice                34
  83 #define __NR_ftime               35
  84 #define __NR_sync                36
  85 #define __NR_kill                37
  86 #define __NR_rename              38
  87 #define __NR_mkdir               39
  88 #define __NR_rmdir               40
  89 #define __NR_dup                 41
  90 #define __NR_pipe                42
  91 #define __NR_times               43
  92 #define __NR_prof                44
  93 #define __NR_brk                 45
  94 #define __NR_setgid              46
  95 #define __NR_getgid              47
  96 #define __NR_signal              48
  97 #define __NR_geteuid             49
  98 #define __NR_getegid             50
  99 #define __NR_acct                51
 100 #define __NR_phys                52
 101 #define __NR_lock                53
 102 #define __NR_ioctl               54
 103 #define __NR_fcntl               55
 104 #define __NR_mpx                 56
 105 #define __NR_setpgid             57
 106 #define __NR_ulimit              58
 107 #define __NR_oldolduname         59
 108 #define __NR_umask               60
 109 #define __NR_chroot              61
 110 #define __NR_ustat               62
 111 #define __NR_dup2                63
 112 #define __NR_getppid             64
 113 #define __NR_getpgrp             65
 114 #define __NR_setsid              66
 115 #define __NR_sigaction           67
 116 #define __NR_sgetmask            68
 117 #define __NR_ssetmask            69
 118 #define __NR_setreuid            70
 119 #define __NR_setregid            71
 120 #define __NR_sigsuspend          72
 121 #define __NR_sigpending          73
 122 #define __NR_sethostname         74
 123 #define __NR_setrlimit           75
 124 #define __NR_getrlimit           76
 125 #define __NR_getrusage           77
 126 #define __NR_gettimeofday        78
 127 #define __NR_settimeofday        79
 128 #define __NR_getgroups           80
 129 #define __NR_setgroups           81
 130 #define __NR_select              82
 131 #define __NR_symlink             83
 132 #define __NR_oldlstat            84
 133 #define __NR_readlink            85
 134 #define __NR_uselib              86
 135 #define __NR_swapon              87
 136 #define __NR_reboot              88
 137 #define __NR_readdir             89
 138 #define __NR_mmap                90
 139 #define __NR_munmap              91
 140 #define __NR_truncate            92
 141 #define __NR_ftruncate           93
 142 #define __NR_fchmod              94
 143 #define __NR_fchown              95
 144 #define __NR_getpriority         96
 145 #define __NR_setpriority         97
 146 #define __NR_profil              98
 147 #define __NR_statfs              99
 148 #define __NR_fstatfs            100
 149 #define __NR_ioperm             101
 150 #define __NR_socketcall         102
 151 #define __NR_syslog             103
 152 #define __NR_setitimer          104
 153 #define __NR_getitimer          105
 154 #define __NR_stat               106
 155 #define __NR_lstat              107
 156 #define __NR_fstat              108
 157 #define __NR_olduname           109
 158 #define __NR_iopl               110
 159 #define __NR_vhangup            111
 160 #define __NR_idle               112
 161 #define __NR_vm86               113
 162 #define __NR_wait4              114
 163 #define __NR_swapoff            115
 164 #define __NR_sysinfo            116
 165 #define __NR_ipc                117
 166 #define __NR_fsync              118
 167 #define __NR_sigreturn          119
 168 #define __NR_clone              120
 169 #define __NR_setdomainname      121
 170 #define __NR_uname              122
 171 #define __NR_modify_ldt         123
 172 #define __NR_adjtimex           124
 173 #define __NR_mprotect           125
 174 #define __NR_sigprocmask        126
 175 #define __NR_create_module      127
 176 #define __NR_init_module        128
 177 #define __NR_delete_module      129
 178 #define __NR_get_kernel_syms    130
 179 #define __NR_quotactl           131
 180 #define __NR_getpgid            132
 181 #define __NR_fchdir             133
 182 #define __NR_bdflush            134
 183 #define __NR_sysfs              135
 184 #define __NR_personality        136
 185 #define __NR_afs_syscall        137 /* Syscall for Andrew File System */
 186 #define __NR_setfsuid           138
 187 #define __NR_setfsgid           139
 188 #define __NR__llseek            140
 189 #define __NR_getdents           141
 190 #define __NR__newselect         142
 191 #define __NR_flock              143
 192 #define __NR_msync              144
 193 #define __NR_readv              145
 194 #define __NR_writev             146
 195 #define __NR_getsid             147
 196 #define __NR_fdatasync          148
 197 #define __NR__sysctl            149
 198 #define __NR_mlock              150
 199 #define __NR_munlock            151
 200 #define __NR_mlockall           152
 201 #define __NR_munlockall         153
 202 #define __NR_sched_setparam             154
 203 #define __NR_sched_getparam             155
 204 #define __NR_sched_setscheduler         156
 205 #define __NR_sched_getscheduler         157
 206 #define __NR_sched_yield                158
 207 #define __NR_sched_get_priority_max     159
 208 #define __NR_sched_get_priority_min     160
 209 #define __NR_sched_rr_get_interval      161
 210 #define __NR_nanosleep          162
 211 #define __NR_mremap             163
 212
 213 #define __NR_mmap2              192
 214
 215 #define PASTE(x,y) x##y
 216 #define XSTR(x) # x
 217 #define STR(x) XSTR (x)
 218
 219 #ifdef __elinux__
 220 # define CRIS_SYSCALL "jir .$System.call"
 221 # define CALLNO_REG r1
 222 # define ARG5_REG r0
 223 # define MOVE_ARG5 "move.d"
 224 # define COLON_ARG5_CLOBBER : "r0"
 225 #else
 226 # define CRIS_SYSCALL "break 13"
 227 # define CALLNO_REG r9
 228 # define ARG5_REG srp
 229 # define MOVE_ARG5 "move"
 230 # define COLON_ARG5_CLOBBER
 231 #endif
 232
 233 /* XXX - _foo needs to be __foo, while __NR_bar could be _NR_bar. */
 234 #define _syscall0(type,name) \
 235 type PASTE(_Sys_,name) (void) \
 236 { \
 237   register long __a __asm__ ("r10"); \
 238   register long __n_ __asm__ (STR (CALLNO_REG)) = (__NR_##name); \
 239   __asm__ __volatile__ (CRIS_SYSCALL \
 240                         : "=r" (__a) \
 241                         : "r" (__n_)); \
 242   if (__a >= 0) \
 243      return (type) __a; \
 244   errno = -__a; \
 245   return -1; \
 246 }
 247
 248 #define _syscall1(type,name,type1,arg1) \
 249 type PASTE(_Sys_,name) (type1 arg1) \
 250 { \
 251   register long __a __asm__ ("r10") = (long) arg1; \
 252   register long __n_ __asm__ (STR (CALLNO_REG)) = (__NR_##name); \
 253   __asm__ __volatile__ (CRIS_SYSCALL \
 254                         : "=r" (__a) \
 255                         : "r" (__n_), "0" (__a)); \
 256   if (__a >= 0) \
 257      return (type) __a; \
 258   errno = -__a; \
 259   return -1; \
 260 }
 261
 262 #define _syscall2(type,name,type1,arg1,type2,arg2) \
 263 type PASTE(_Sys_,name) (type1 arg1,type2 arg2) \
 264 { \
 265   register long __a __asm__ ("r10") = (long) arg1; \
 266   register long __b __asm__ ("r11") = (long) arg2; \
 267   register long __n_ __asm__ (STR (CALLNO_REG)) = (__NR_##name); \
 268   __asm__ __volatile__ (CRIS_SYSCALL \
 269                         : "=r" (__a) \
 270                         : "r" (__n_), "0" (__a), "r" (__b)); \
 271   if (__a >= 0) \
 272      return (type) __a; \
 273   errno = -__a; \
 274   return -1; \
 275 }
 276
 277 #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
 278 type PASTE(_Sys_,name) (type1 arg1,type2 arg2,type3 arg3) \
 279 { \
 280   register long __a __asm__ ("r10") = (long) arg1; \
 281   register long __b __asm__ ("r11") = (long) arg2; \
 282   register long __c __asm__ ("r12") = (long) arg3; \
 283   register long __n_ __asm__ (STR (CALLNO_REG)) = (__NR_##name); \
 284   __asm__ __volatile__ (CRIS_SYSCALL \
 285                         : "=r" (__a) \
 286                         : "r" (__n_), "0" (__a), "r" (__b), "r" (__c)); \
 287   if (__a >= 0) \
 288      return (type) __a; \
 289   errno = -__a; \
 290   return -1; \
 291 }
 292
 293 #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
 294 type PASTE(_Sys_,name) (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
 295 { \
 296   register long __a __asm__ ("r10") = (long) arg1; \
 297   register long __b __asm__ ("r11") = (long) arg2; \
 298   register long __c __asm__ ("r12") = (long) arg3; \
 299   register long __d __asm__ ("r13") = (long) arg4; \
 300   register long __n_ __asm__ (STR (CALLNO_REG)) = (__NR_##name); \
 301   __asm__ __volatile__ (CRIS_SYSCALL \
 302                         : "=r" (__a) \
 303                         : "r" (__n_), "0" (__a), "r" (__b), \
 304                           "r" (__c), "r" (__d)); \
 305   if (__a >= 0) \
 306      return (type) __a; \
 307   errno = -__a; \
 308   return -1; \
 309 }
 310
 311 #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
 312           type5,arg5) \
 313 type PASTE(_Sys_,name) (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
 314 { \
 315   register long __a __asm__ ("r10") = (long) arg1; \
 316   register long __b __asm__ ("r11") = (long) arg2; \
 317   register long __c __asm__ ("r12") = (long) arg3; \
 318   register long __d __asm__ ("r13") = (long) arg4; \
 319   register long __n_ __asm__ (STR (CALLNO_REG)) = (__NR_##name); \
 320   __asm__ __volatile__ (MOVE_ARG5 " %6,$" STR (ARG5_REG) "\n\t" \
 321                         CRIS_SYSCALL \
 322                         : "=r" (__a) \
 323                         : "r" (__n_), "0" (__a), "r" (__b), \
 324                           "r" (__c), "r" (__d), "g" (arg5) \
 325                         COLON_ARG5_CLOBBER); \
 326   if (__a >= 0) \
 327      return (type) __a; \
 328   errno = -__a; \
 329   return -1; \
 330 }
 331
 332 #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
 333           type5,arg5,type6,arg6) \
 334 type PASTE(_Sys_,name) (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, type6 arg6) \
 335 { \
 336   register long __a __asm__ ("r10") = (long) arg1; \
 337   register long __b __asm__ ("r11") = (long) arg2; \
 338   register long __c __asm__ ("r12") = (long) arg3; \
 339   register long __d __asm__ ("r13") = (long) arg4; \
 340   register long __n_ __asm__ (STR (CALLNO_REG)) = (__NR_##name); \
 341   __asm__ __volatile__ (MOVE_ARG5 " %6,$" STR (ARG5_REG) "\n\t" \
 342                         "move %7,$mof\n\t" \
 343                         CRIS_SYSCALL \
 344                         : "=r" (__a) \
 345                         : "r" (__n_), "0" (__a), "r" (__b), \
 346                           "r" (__c), "r" (__d), "g" (arg5), "g" (arg6) \
 347                         COLON_ARG5_CLOBBER); \
 348   if (__a >= 0) \
 349      return (type) __a; \
 350   errno = -__a; \
 351   return -1; \
 352 }
 353
 354 #define __NR__exit __NR_exit
 355 static inline _syscall0(int,idle)
 356 static inline _syscall0(int,fork)
 357 static inline _syscall2(int,clone,unsigned long,flags,char *,esp)
 358 static inline _syscall0(int,pause)
 359 static inline _syscall0(int,setup)
 360 static inline _syscall0(int,sync)
 361 static inline _syscall3(int,write,int,fd,const char *,buf,unsigned,count)
 362 static inline _syscall1(int,dup,int,fd)
 363 static inline _syscall3(int,execve,const char *,file,char *const *,argv,char *const *,envp)
 364 static inline _syscall3(int,open,const char *,file,int,flag,int,mode)
 365 static inline _syscall1(int,close,int,fd)
 366 static inline _syscall1(int,_exit,int,exitcode)
 367 static inline _syscall1(int,exit,int,exitcode)
 368 static inline _syscall3(int,waitpid,int,pid,int *,wait_stat,int,options)
 369 static inline _syscall3(int,read,int,fd,char *,buf,unsigned,count)
 370 static inline _syscall2(int,socketcall,int,call,unsigned long *,args)
 371 static inline _syscall3(int,ioctl,unsigned int,fd,unsigned int,cmd,unsigned long,arg)
 372 static inline _syscall3(int,fcntl,unsigned int,fd,unsigned int,cmd,unsigned long,arg)
 373 static inline _syscall5(int,mount,const char *,a,const char *,b,const char *,c,unsigned long,rwflag,const void *,data)
 374 static inline _syscall2(int,rename,const char *,a,const char*,b)
 375
 376 #ifndef __elinux__
 377 /* Make sure these are only used where they are supported.  */
 378 static inline _syscall6(int,mmap2,unsigned long, addr, unsigned long, len,
 379                         unsigned long, prot, unsigned long, flags,
 380                         unsigned long, fd, unsigned long, pgoff)
 381 static inline _syscall1(long,brk,long,addr)
 382 #endif
 383
 384 /* This structure is ripped from asm-etrax100/stat.h: beware of updates.  */
 385 struct new_stat {
 386         unsigned short st_dev;
 387         unsigned short __pad1;
 388         unsigned long st_ino;
 389         unsigned short st_mode;
 390         unsigned short st_nlink;
 391         unsigned short st_uid;
 392         unsigned short st_gid;
 393         unsigned short st_rdev;
 394         unsigned short __pad2;
 395         unsigned long  st_size;
 396         unsigned long  st_blksize;
 397         unsigned long  st_blocks;
 398         unsigned long  st_atime;
 399         unsigned long  __unused1;
 400         unsigned long  st_mtime;
 401         unsigned long  __unused2;
 402         unsigned long  st_ctime;
 403         unsigned long  __unused3;
 404         unsigned long  __unused4;
 405         unsigned long  __unused5;
 406 };
 407
 408 typedef long int kernel_time_t;
 409 typedef long int kernel_suseconds_t;
 410
 411 struct kernel_timeval {
 412   kernel_time_t      tv_sec;
 413   kernel_suseconds_t tv_usec;
 414 };
 415
 416 static inline _syscall2(int,stat,const char *,path,struct new_stat *,statbuf)
 417 static inline _syscall2(int,fstat,int,fd,struct new_stat *,statbuf)
 418 static inline _syscall0(int,getpid)
 419 static inline _syscall2(int,kill,int,pid,int,sig)
 420 static inline _syscall3(int,lseek,int,fd,int,offset,int,whence)
 421 struct tms;
 422 static inline _syscall1(long,times,struct tms *,tbuf)
 423 static inline _syscall1(long,mmap,long *, buf)
 424 struct timeval;
 425 struct timezone;
 426 static inline _syscall2(int,gettimeofday,struct kernel_timeval *,tp,
 427                         void *, tzp)
 428 static inline _syscall2(int,link,const char *,old,const char *,new)
 429 static inline _syscall1(int,unlink,const char *, f)
 430 struct rusage;
 431 static inline _syscall4(int,wait4,int,pid,int *,sa,int,op,struct rusage *,ru)
 432 #endif /* _ASM_ELINUX_UNISTD_H_ */