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_time 13 28#define __NR_mknod 14 29#define __NR_chmod 15 30#define __NR_lchown 16 31#define __NR_lseek 19 32#define __NR_getpid 20 33#define __NR_mount 21 34#define __NR_umount 22 35#define __NR_setuid 23 36#define __NR_getuid 24 37#define __NR_stime 25 38#define __NR_ptrace 26 39#define __NR_alarm 27 40#define __NR_pause 29 41#define __NR_utime 30 42#define __NR_access 33 43#define __NR_nice 34 44#define __NR_sync 36 45#define __NR_kill 37 46#define __NR_rename 38 47#define __NR_mkdir 39 48#define __NR_rmdir 40 49#define __NR_dup 41 50#define __NR_pipe 42 51#define __NR_times 43 52#define __NR_brk 45 53#define __NR_setgid 46 54#define __NR_getgid 47 55#define __NR_signal 48 56#define __NR_geteuid 49 57#define __NR_getegid 50 58#define __NR_acct 51 59#define __NR_umount2 52 60#define __NR_ioctl 54 61#define __NR_fcntl 55 62#define __NR_setpgid 57 63#define __NR_umask 60 64#define __NR_chroot 61 65#define __NR_ustat 62 66#define __NR_dup2 63 67#define __NR_getppid 64 68#define __NR_getpgrp 65 69#define __NR_setsid 66 70#define __NR_sigaction 67 71#define __NR_setreuid 70 72#define __NR_setregid 71 73#define __NR_sigsuspend 72 74#define __NR_sigpending 73 75#define __NR_sethostname 74 76#define __NR_setrlimit 75 77#define __NR_getrlimit 76 78#define __NR_getrusage 77 79#define __NR_gettimeofday 78 80#define __NR_settimeofday 79 81#define __NR_getgroups 80 82#define __NR_setgroups 81 83#define __NR_symlink 83 84#define __NR_readlink 85 85#define __NR_uselib 86 86#define __NR_swapon 87 87#define __NR_reboot 88 88#define __NR_readdir 89 89#define __NR_mmap 90 90#define __NR_munmap 91 91#define __NR_truncate 92 92#define __NR_ftruncate 93 93#define __NR_fchmod 94 94#define __NR_fchown 95 95#define __NR_getpriority 96 96#define __NR_setpriority 97 97#define __NR_statfs 99 98#define __NR_fstatfs 100 99#define __NR_ioperm 101 100#define __NR_socketcall 102 101#define __NR_syslog 103 102#define __NR_setitimer 104 103#define __NR_getitimer 105 104#define __NR_stat 106 105#define __NR_lstat 107 106#define __NR_fstat 108 107#define __NR_vhangup 111 108#define __NR_idle 112 109#define __NR_wait4 114 110#define __NR_swapoff 115 111#define __NR_sysinfo 116 112#define __NR_ipc 117 113#define __NR_fsync 118 114#define __NR_sigreturn 119 115#define __NR_clone 120 116#define __NR_setdomainname 121 117#define __NR_uname 122 118#define __NR_adjtimex 124 119#define __NR_mprotect 125 120#define __NR_sigprocmask 126 121#define __NR_create_module 127 122#define __NR_init_module 128 123#define __NR_delete_module 129 124#define __NR_get_kernel_syms 130 125#define __NR_quotactl 131 126#define __NR_getpgid 132 127#define __NR_fchdir 133 128#define __NR_bdflush 134 129#define __NR_sysfs 135 130#define __NR_personality 136 131#define __NR_afs_syscall 137 /* Syscall for Andrew File System */ 132#define __NR_setfsuid 138 133#define __NR_setfsgid 139 134#define __NR__llseek 140 135#define __NR_getdents 141 136#define __NR__newselect 142 137#define __NR_flock 143 138#define __NR_msync 144 139#define __NR_readv 145 140#define __NR_writev 146 141#define __NR_getsid 147 142#define __NR_fdatasync 148 143#define __NR__sysctl 149 144#define __NR_mlock 150 145#define __NR_munlock 151 146#define __NR_mlockall 152 147#define __NR_munlockall 153 148#define __NR_sched_setparam 154 149#define __NR_sched_getparam 155 150#define __NR_sched_setscheduler 156 151#define __NR_sched_getscheduler 157 152#define __NR_sched_yield 158 153#define __NR_sched_get_priority_max 159 154#define __NR_sched_get_priority_min 160 155#define __NR_sched_rr_get_interval 161 156#define __NR_nanosleep 162 157#define __NR_mremap 163 158#define __NR_setresuid 164 159#define __NR_getresuid 165 160#define __NR_query_module 167 161#define __NR_poll 168 162#define __NR_nfsservctl 169 163#define __NR_setresgid 170 164#define __NR_getresgid 171 165#define __NR_prctl 172 166#define __NR_rt_sigreturn 173 167#define __NR_rt_sigaction 174 168#define __NR_rt_sigprocmask 175 169#define __NR_rt_sigpending 176 170#define __NR_rt_sigtimedwait 177 171#define __NR_rt_sigqueueinfo 178 172#define __NR_rt_sigsuspend 179 173#define __NR_pread 180 174#define __NR_pwrite 181 175#define __NR_chown 182 176#define __NR_getcwd 183 177#define __NR_capget 184 178#define __NR_capset 185 179#define __NR_sigaltstack 186 180#define __NR_sendfile 187 181#define __NR_getpmsg 188 182#define __NR_putpmsg 189 183#define __NR_vfork 190 184#define __NR_ugetrlimit 191 /* SuS compliant getrlimit */ 185#define __NR_mmap2 192 186#define __NR_truncate64 193 187#define __NR_ftruncate64 194 188#define __NR_stat64 195 189#define __NR_lstat64 196 190#define __NR_fstat64 197 191#define __NR_lchown32 198 192#define __NR_getuid32 199 193#define __NR_getgid32 200 194#define __NR_geteuid32 201 195#define __NR_getegid32 202 196#define __NR_setreuid32 203 197#define __NR_setregid32 204 198#define __NR_getgroups32 205 199#define __NR_setgroups32 206 200#define __NR_fchown32 207 201#define __NR_setresuid32 208 202#define __NR_getresuid32 209 203#define __NR_setresgid32 210 204#define __NR_getresgid32 211 205#define __NR_chown32 212 206#define __NR_setuid32 213 207#define __NR_setgid32 214 208#define __NR_setfsuid32 215 209#define __NR_setfsgid32 216 210#define __NR_pivot_root 217 211#define __NR_mincore 218 212#define __NR_madvise 219 213#define __NR_getdents64 220 214#define __NR_fcntl64 221 215/* 216 * Numbers 224-235 are reserved for posix acl 217 */ 218#define __NR_gettid 236 219#define __NR_tkill 237 220 221/* user-visible error numbers are in the range -1 - -122: see <asm-s390/errno.h> */ 222 223#define __syscall_return(type, res) \ 224do { \ 225 if ((unsigned long)(res) >= (unsigned long)(-125)) { \ 226 errno = -(res); \ 227 res = -1; \ 228 } \ 229 return (type) (res); \ 230} while (0) 231 232#define _svc_clobber "2", "cc", "memory" 233 234#define _syscall0(type,name) \ 235type name(void) { \ 236 long __res; \ 237 __asm__ __volatile__ ( \ 238 " svc %b1\n" \ 239 " lr %0,2" \ 240 : "=d" (__res) \ 241 : "i" (__NR_##name) \ 242 : _svc_clobber ); \ 243 __syscall_return(type,__res); \ 244} 245 246#define _syscall1(type,name,type1,arg1) \ 247type name(type1 arg1) { \ 248 register type1 __arg1 asm("2") = arg1; \ 249 long __res; \ 250 __asm__ __volatile__ ( \ 251 " svc %b1\n" \ 252 " lr %0,2" \ 253 : "=d" (__res) \ 254 : "i" (__NR_##name), \ 255 "d" (__arg1) \ 256 : _svc_clobber ); \ 257 __syscall_return(type,__res); \ 258} 259 260#define _syscall2(type,name,type1,arg1,type2,arg2) \ 261type name(type1 arg1, type2 arg2) { \ 262 register type1 __arg1 asm("2") = arg1; \ 263 register type2 __arg2 asm("3") = arg2; \ 264 long __res; \ 265 __asm__ __volatile__ ( \ 266 " svc %b1\n" \ 267 " lr %0,2" \ 268 : "=d" (__res) \ 269 : "i" (__NR_##name), \ 270 "d" (__arg1), \ 271 "d" (__arg2) \ 272 : _svc_clobber ); \ 273 __syscall_return(type,__res); \ 274} 275 276#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3)\ 277type name(type1 arg1, type2 arg2, type3 arg3) { \ 278 register type1 __arg1 asm("2") = arg1; \ 279 register type2 __arg2 asm("3") = arg2; \ 280 register type3 __arg3 asm("4") = arg3; \ 281 long __res; \ 282 __asm__ __volatile__ ( \ 283 " svc %b1\n" \ 284 " lr %0,2" \ 285 : "=d" (__res) \ 286 : "i" (__NR_##name), \ 287 "d" (__arg1), \ 288 "d" (__arg2), \ 289 "d" (__arg3) \ 290 : _svc_clobber ); \ 291 __syscall_return(type,__res); \ 292} 293 294#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,\ 295 type4,name4) \ 296type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) { \ 297 register type1 __arg1 asm("2") = arg1; \ 298 register type2 __arg2 asm("3") = arg2; \ 299 register type3 __arg3 asm("4") = arg3; \ 300 register type4 __arg4 asm("5") = arg4; \ 301 long __res; \ 302 __asm__ __volatile__ ( \ 303 " svc %b1\n" \ 304 " lr %0,2" \ 305 : "=d" (__res) \ 306 : "i" (__NR_##name), \ 307 "d" (__arg1), \ 308 "d" (__arg2), \ 309 "d" (__arg3), \ 310 "d" (__arg4) \ 311 : _svc_clobber ); \ 312 __syscall_return(type,__res); \ 313} 314 315#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,\ 316 type4,name4,type5,name5) \ 317type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ 318 type5 arg5) { \ 319 register type1 __arg1 asm("2") = arg1; \ 320 register type2 __arg2 asm("3") = arg2; \ 321 register type3 __arg3 asm("4") = arg3; \ 322 register type4 __arg4 asm("5") = arg4; \ 323 register type5 __arg5 asm("6") = arg5; \ 324 long __res; \ 325 __asm__ __volatile__ ( \ 326 " svc %b1\n" \ 327 " lr %0,2" \ 328 : "=d" (__res) \ 329 : "i" (__NR_##name), \ 330 "d" (__arg1), \ 331 "d" (__arg2), \ 332 "d" (__arg3), \ 333 "d" (__arg4), \ 334 "d" (__arg5) \ 335 : _svc_clobber ); \ 336 __syscall_return(type,__res); \ 337} 338 339#ifdef __KERNEL_SYSCALLS__ 340 341/* 342 * we need this inline - forking from kernel space will result 343 * in NO COPY ON WRITE (!!!), until an execve is executed. This 344 * is no problem, but for the stack. This is handled by not letting 345 * main() use the stack at all after fork(). Thus, no function 346 * calls - which means inline code for fork too, as otherwise we 347 * would use the stack upon exit from 'fork()'. 348 * 349 * Actually only pause and fork are needed inline, so that there 350 * won't be any messing with the stack from main(), but we define 351 * some others too. 352 */ 353#define __NR__exit __NR_exit 354static inline _syscall0(int,idle) 355static inline _syscall0(int,pause) 356static inline _syscall0(int,sync) 357static inline _syscall0(pid_t,setsid) 358static inline _syscall3(int,write,int,fd,const char *,buf,off_t,count) 359static inline _syscall3(int,read,int,fd,char *,buf,off_t,count) 360static inline _syscall3(off_t,lseek,int,fd,off_t,offset,int,count) 361static inline _syscall1(int,dup,int,fd) 362static inline _syscall3(int,execve,const char *,file,char **,argv,char **,envp) 363static inline _syscall3(int,open,const char *,file,int,flag,int,mode) 364static inline _syscall1(int,close,int,fd) 365static inline _syscall1(int,_exit,int,exitcode) 366static inline _syscall1(int,delete_module,const char *,name) 367static inline _syscall2(long,stat,char *,filename,struct stat *,statbuf) 368 369static inline pid_t waitpid(int pid, int * wait_stat, int flags) 370{ 371 return sys_wait4(pid, wait_stat, flags, NULL); 372} 373 374static inline pid_t wait(int * wait_stat) 375{ 376 return waitpid(-1,wait_stat,0); 377} 378 379#endif 380 381#endif /* _ASM_S390_UNISTD_H_ */ 382