ebba5f9fcb
Consistently use MAX_ERRNO when checking for errors in __syscall_return(). [ralf@linux-mips.org: build fix] Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
587 lines
18 KiB
C
587 lines
18 KiB
C
/*
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* include/asm-s390/unistd.h
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*
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* S390 version
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*
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* Derived from "include/asm-i386/unistd.h"
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*/
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#ifndef _ASM_S390_UNISTD_H_
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#define _ASM_S390_UNISTD_H_
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/*
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* This file contains the system call numbers.
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*/
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#define __NR_exit 1
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#define __NR_fork 2
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#define __NR_read 3
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#define __NR_write 4
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#define __NR_open 5
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#define __NR_close 6
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#define __NR_restart_syscall 7
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#define __NR_creat 8
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#define __NR_link 9
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#define __NR_unlink 10
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#define __NR_execve 11
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#define __NR_chdir 12
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#define __NR_mknod 14
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#define __NR_chmod 15
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#define __NR_lseek 19
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#define __NR_getpid 20
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#define __NR_mount 21
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#define __NR_umount 22
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#define __NR_ptrace 26
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#define __NR_alarm 27
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#define __NR_pause 29
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#define __NR_utime 30
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#define __NR_access 33
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#define __NR_nice 34
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#define __NR_sync 36
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#define __NR_kill 37
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#define __NR_rename 38
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#define __NR_mkdir 39
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#define __NR_rmdir 40
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#define __NR_dup 41
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#define __NR_pipe 42
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#define __NR_times 43
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#define __NR_brk 45
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#define __NR_signal 48
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#define __NR_acct 51
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#define __NR_umount2 52
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#define __NR_ioctl 54
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#define __NR_fcntl 55
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#define __NR_setpgid 57
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#define __NR_umask 60
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#define __NR_chroot 61
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#define __NR_ustat 62
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#define __NR_dup2 63
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#define __NR_getppid 64
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#define __NR_getpgrp 65
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#define __NR_setsid 66
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#define __NR_sigaction 67
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#define __NR_sigsuspend 72
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#define __NR_sigpending 73
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#define __NR_sethostname 74
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#define __NR_setrlimit 75
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#define __NR_getrusage 77
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#define __NR_gettimeofday 78
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#define __NR_settimeofday 79
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#define __NR_symlink 83
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#define __NR_readlink 85
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#define __NR_uselib 86
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#define __NR_swapon 87
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#define __NR_reboot 88
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#define __NR_readdir 89
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#define __NR_mmap 90
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#define __NR_munmap 91
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#define __NR_truncate 92
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#define __NR_ftruncate 93
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#define __NR_fchmod 94
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#define __NR_getpriority 96
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#define __NR_setpriority 97
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#define __NR_statfs 99
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#define __NR_fstatfs 100
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#define __NR_socketcall 102
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#define __NR_syslog 103
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#define __NR_setitimer 104
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#define __NR_getitimer 105
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#define __NR_stat 106
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#define __NR_lstat 107
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#define __NR_fstat 108
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#define __NR_lookup_dcookie 110
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#define __NR_vhangup 111
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#define __NR_idle 112
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#define __NR_wait4 114
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#define __NR_swapoff 115
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#define __NR_sysinfo 116
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#define __NR_ipc 117
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#define __NR_fsync 118
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#define __NR_sigreturn 119
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#define __NR_clone 120
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#define __NR_setdomainname 121
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#define __NR_uname 122
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#define __NR_adjtimex 124
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#define __NR_mprotect 125
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#define __NR_sigprocmask 126
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#define __NR_create_module 127
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#define __NR_init_module 128
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#define __NR_delete_module 129
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#define __NR_get_kernel_syms 130
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#define __NR_quotactl 131
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#define __NR_getpgid 132
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#define __NR_fchdir 133
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#define __NR_bdflush 134
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#define __NR_sysfs 135
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#define __NR_personality 136
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#define __NR_afs_syscall 137 /* Syscall for Andrew File System */
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#define __NR_getdents 141
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#define __NR_flock 143
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#define __NR_msync 144
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#define __NR_readv 145
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#define __NR_writev 146
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#define __NR_getsid 147
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#define __NR_fdatasync 148
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#define __NR__sysctl 149
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#define __NR_mlock 150
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#define __NR_munlock 151
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#define __NR_mlockall 152
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#define __NR_munlockall 153
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#define __NR_sched_setparam 154
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#define __NR_sched_getparam 155
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#define __NR_sched_setscheduler 156
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#define __NR_sched_getscheduler 157
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#define __NR_sched_yield 158
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#define __NR_sched_get_priority_max 159
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#define __NR_sched_get_priority_min 160
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#define __NR_sched_rr_get_interval 161
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#define __NR_nanosleep 162
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#define __NR_mremap 163
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#define __NR_query_module 167
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#define __NR_poll 168
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#define __NR_nfsservctl 169
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#define __NR_prctl 172
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#define __NR_rt_sigreturn 173
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#define __NR_rt_sigaction 174
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#define __NR_rt_sigprocmask 175
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#define __NR_rt_sigpending 176
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#define __NR_rt_sigtimedwait 177
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#define __NR_rt_sigqueueinfo 178
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#define __NR_rt_sigsuspend 179
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#define __NR_pread64 180
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#define __NR_pwrite64 181
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#define __NR_getcwd 183
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#define __NR_capget 184
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#define __NR_capset 185
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#define __NR_sigaltstack 186
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#define __NR_sendfile 187
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#define __NR_getpmsg 188
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#define __NR_putpmsg 189
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#define __NR_vfork 190
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#define __NR_pivot_root 217
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#define __NR_mincore 218
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#define __NR_madvise 219
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#define __NR_getdents64 220
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#define __NR_readahead 222
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#define __NR_setxattr 224
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#define __NR_lsetxattr 225
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#define __NR_fsetxattr 226
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#define __NR_getxattr 227
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#define __NR_lgetxattr 228
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#define __NR_fgetxattr 229
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#define __NR_listxattr 230
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#define __NR_llistxattr 231
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#define __NR_flistxattr 232
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#define __NR_removexattr 233
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#define __NR_lremovexattr 234
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#define __NR_fremovexattr 235
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#define __NR_gettid 236
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#define __NR_tkill 237
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#define __NR_futex 238
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#define __NR_sched_setaffinity 239
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#define __NR_sched_getaffinity 240
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#define __NR_tgkill 241
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/* Number 242 is reserved for tux */
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#define __NR_io_setup 243
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#define __NR_io_destroy 244
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#define __NR_io_getevents 245
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#define __NR_io_submit 246
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#define __NR_io_cancel 247
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#define __NR_exit_group 248
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#define __NR_epoll_create 249
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#define __NR_epoll_ctl 250
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#define __NR_epoll_wait 251
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#define __NR_set_tid_address 252
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#define __NR_fadvise64 253
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#define __NR_timer_create 254
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#define __NR_timer_settime (__NR_timer_create+1)
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#define __NR_timer_gettime (__NR_timer_create+2)
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#define __NR_timer_getoverrun (__NR_timer_create+3)
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#define __NR_timer_delete (__NR_timer_create+4)
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#define __NR_clock_settime (__NR_timer_create+5)
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#define __NR_clock_gettime (__NR_timer_create+6)
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#define __NR_clock_getres (__NR_timer_create+7)
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#define __NR_clock_nanosleep (__NR_timer_create+8)
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/* Number 263 is reserved for vserver */
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#define __NR_statfs64 265
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#define __NR_fstatfs64 266
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#define __NR_remap_file_pages 267
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/* Number 268 is reserved for new sys_mbind */
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/* Number 269 is reserved for new sys_get_mempolicy */
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/* Number 270 is reserved for new sys_set_mempolicy */
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#define __NR_mq_open 271
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#define __NR_mq_unlink 272
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#define __NR_mq_timedsend 273
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#define __NR_mq_timedreceive 274
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#define __NR_mq_notify 275
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#define __NR_mq_getsetattr 276
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#define __NR_kexec_load 277
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#define __NR_add_key 278
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#define __NR_request_key 279
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#define __NR_keyctl 280
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#define __NR_waitid 281
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#define __NR_ioprio_set 282
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#define __NR_ioprio_get 283
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#define __NR_inotify_init 284
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#define __NR_inotify_add_watch 285
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#define __NR_inotify_rm_watch 286
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/* Number 287 is reserved for new sys_migrate_pages */
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#define __NR_openat 288
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#define __NR_mkdirat 289
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#define __NR_mknodat 290
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#define __NR_fchownat 291
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#define __NR_futimesat 292
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#define __NR_unlinkat 294
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#define __NR_renameat 295
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#define __NR_linkat 296
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#define __NR_symlinkat 297
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#define __NR_readlinkat 298
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#define __NR_fchmodat 299
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#define __NR_faccessat 300
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#define __NR_pselect6 301
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#define __NR_ppoll 302
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#define __NR_unshare 303
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#define __NR_set_robust_list 304
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#define __NR_get_robust_list 305
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#define __NR_splice 306
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#define __NR_sync_file_range 307
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#define __NR_tee 308
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#define __NR_vmsplice 309
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#define NR_syscalls 310
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/*
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* There are some system calls that are not present on 64 bit, some
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* have a different name although they do the same (e.g. __NR_chown32
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* is __NR_chown on 64 bit).
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*/
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#ifndef __s390x__
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#define __NR_time 13
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#define __NR_lchown 16
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#define __NR_setuid 23
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#define __NR_getuid 24
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#define __NR_stime 25
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#define __NR_setgid 46
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#define __NR_getgid 47
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#define __NR_geteuid 49
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#define __NR_getegid 50
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#define __NR_setreuid 70
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#define __NR_setregid 71
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#define __NR_getrlimit 76
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#define __NR_getgroups 80
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#define __NR_setgroups 81
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#define __NR_fchown 95
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#define __NR_ioperm 101
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#define __NR_setfsuid 138
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#define __NR_setfsgid 139
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#define __NR__llseek 140
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#define __NR__newselect 142
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#define __NR_setresuid 164
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#define __NR_getresuid 165
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#define __NR_setresgid 170
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#define __NR_getresgid 171
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#define __NR_chown 182
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#define __NR_ugetrlimit 191 /* SuS compliant getrlimit */
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#define __NR_mmap2 192
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#define __NR_truncate64 193
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#define __NR_ftruncate64 194
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#define __NR_stat64 195
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#define __NR_lstat64 196
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#define __NR_fstat64 197
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#define __NR_lchown32 198
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#define __NR_getuid32 199
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#define __NR_getgid32 200
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#define __NR_geteuid32 201
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#define __NR_getegid32 202
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#define __NR_setreuid32 203
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#define __NR_setregid32 204
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#define __NR_getgroups32 205
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#define __NR_setgroups32 206
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#define __NR_fchown32 207
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#define __NR_setresuid32 208
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#define __NR_getresuid32 209
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#define __NR_setresgid32 210
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#define __NR_getresgid32 211
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#define __NR_chown32 212
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#define __NR_setuid32 213
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#define __NR_setgid32 214
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#define __NR_setfsuid32 215
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#define __NR_setfsgid32 216
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#define __NR_fcntl64 221
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#define __NR_sendfile64 223
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#define __NR_fadvise64_64 264
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#define __NR_fstatat64 293
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#else
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#define __NR_select 142
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#define __NR_getrlimit 191 /* SuS compliant getrlimit */
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#define __NR_lchown 198
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#define __NR_getuid 199
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#define __NR_getgid 200
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#define __NR_geteuid 201
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#define __NR_getegid 202
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#define __NR_setreuid 203
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#define __NR_setregid 204
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#define __NR_getgroups 205
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#define __NR_setgroups 206
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#define __NR_fchown 207
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#define __NR_setresuid 208
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#define __NR_getresuid 209
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#define __NR_setresgid 210
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#define __NR_getresgid 211
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#define __NR_chown 212
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#define __NR_setuid 213
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#define __NR_setgid 214
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#define __NR_setfsuid 215
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#define __NR_setfsgid 216
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#define __NR_newfstatat 293
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#endif
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#ifdef __KERNEL__
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#include <linux/err.h>
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#define __syscall_return(type, res) \
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do { \
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if ((unsigned long)(res) >= (unsigned long)(-MAX_ERRNO)) { \
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errno = -(res); \
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res = -1; \
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} \
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return (type) (res); \
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} while (0)
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#define _svc_clobber "1", "cc", "memory"
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#define _syscall0(type,name) \
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type name(void) { \
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register long __svcres asm("2"); \
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long __res; \
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__asm__ __volatile__ ( \
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" .if %1 < 256\n" \
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" svc %b1\n" \
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" .else\n" \
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" la %%r1,%1\n" \
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" svc 0\n" \
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" .endif" \
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: "=d" (__svcres) \
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: "i" (__NR_##name) \
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: _svc_clobber ); \
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__res = __svcres; \
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__syscall_return(type,__res); \
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}
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#define _syscall1(type,name,type1,arg1) \
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type name(type1 arg1) { \
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register type1 __arg1 asm("2") = arg1; \
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register long __svcres asm("2"); \
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long __res; \
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__asm__ __volatile__ ( \
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" .if %1 < 256\n" \
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" svc %b1\n" \
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" .else\n" \
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" la %%r1,%1\n" \
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" svc 0\n" \
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" .endif" \
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: "=d" (__svcres) \
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: "i" (__NR_##name), \
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"0" (__arg1) \
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: _svc_clobber ); \
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__res = __svcres; \
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__syscall_return(type,__res); \
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}
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#define _syscall2(type,name,type1,arg1,type2,arg2) \
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type name(type1 arg1, type2 arg2) { \
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register type1 __arg1 asm("2") = arg1; \
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register type2 __arg2 asm("3") = arg2; \
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register long __svcres asm("2"); \
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long __res; \
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__asm__ __volatile__ ( \
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" .if %1 < 256\n" \
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" svc %b1\n" \
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" .else\n" \
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" la %%r1,%1\n" \
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" svc 0\n" \
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" .endif" \
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: "=d" (__svcres) \
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: "i" (__NR_##name), \
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"0" (__arg1), \
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"d" (__arg2) \
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: _svc_clobber ); \
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__res = __svcres; \
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__syscall_return(type,__res); \
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}
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#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3)\
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type name(type1 arg1, type2 arg2, type3 arg3) { \
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register type1 __arg1 asm("2") = arg1; \
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register type2 __arg2 asm("3") = arg2; \
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register type3 __arg3 asm("4") = arg3; \
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register long __svcres asm("2"); \
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long __res; \
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__asm__ __volatile__ ( \
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" .if %1 < 256\n" \
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" svc %b1\n" \
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" .else\n" \
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" la %%r1,%1\n" \
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" svc 0\n" \
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" .endif" \
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: "=d" (__svcres) \
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: "i" (__NR_##name), \
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"0" (__arg1), \
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"d" (__arg2), \
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"d" (__arg3) \
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: _svc_clobber ); \
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__res = __svcres; \
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__syscall_return(type,__res); \
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}
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#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,\
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type4,name4) \
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type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) { \
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register type1 __arg1 asm("2") = arg1; \
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register type2 __arg2 asm("3") = arg2; \
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register type3 __arg3 asm("4") = arg3; \
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register type4 __arg4 asm("5") = arg4; \
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register long __svcres asm("2"); \
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long __res; \
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__asm__ __volatile__ ( \
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" .if %1 < 256\n" \
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" svc %b1\n" \
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" .else\n" \
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" la %%r1,%1\n" \
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" svc 0\n" \
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" .endif" \
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: "=d" (__svcres) \
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: "i" (__NR_##name), \
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"0" (__arg1), \
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"d" (__arg2), \
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"d" (__arg3), \
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"d" (__arg4) \
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: _svc_clobber ); \
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__res = __svcres; \
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__syscall_return(type,__res); \
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}
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#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,\
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type4,name4,type5,name5) \
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type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \
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type5 arg5) { \
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register type1 __arg1 asm("2") = arg1; \
|
|
register type2 __arg2 asm("3") = arg2; \
|
|
register type3 __arg3 asm("4") = arg3; \
|
|
register type4 __arg4 asm("5") = arg4; \
|
|
register type5 __arg5 asm("6") = arg5; \
|
|
register long __svcres asm("2"); \
|
|
long __res; \
|
|
__asm__ __volatile__ ( \
|
|
" .if %1 < 256\n" \
|
|
" svc %b1\n" \
|
|
" .else\n" \
|
|
" la %%r1,%1\n" \
|
|
" svc 0\n" \
|
|
" .endif" \
|
|
: "=d" (__svcres) \
|
|
: "i" (__NR_##name), \
|
|
"0" (__arg1), \
|
|
"d" (__arg2), \
|
|
"d" (__arg3), \
|
|
"d" (__arg4), \
|
|
"d" (__arg5) \
|
|
: _svc_clobber ); \
|
|
__res = __svcres; \
|
|
__syscall_return(type,__res); \
|
|
}
|
|
|
|
#define __ARCH_WANT_IPC_PARSE_VERSION
|
|
#define __ARCH_WANT_OLD_READDIR
|
|
#define __ARCH_WANT_SYS_ALARM
|
|
#define __ARCH_WANT_SYS_GETHOSTNAME
|
|
#define __ARCH_WANT_SYS_PAUSE
|
|
#define __ARCH_WANT_SYS_SIGNAL
|
|
#define __ARCH_WANT_SYS_UTIME
|
|
#define __ARCH_WANT_SYS_SOCKETCALL
|
|
#define __ARCH_WANT_SYS_FADVISE64
|
|
#define __ARCH_WANT_SYS_GETPGRP
|
|
#define __ARCH_WANT_SYS_LLSEEK
|
|
#define __ARCH_WANT_SYS_NICE
|
|
#define __ARCH_WANT_SYS_OLD_GETRLIMIT
|
|
#define __ARCH_WANT_SYS_OLDUMOUNT
|
|
#define __ARCH_WANT_SYS_SIGPENDING
|
|
#define __ARCH_WANT_SYS_SIGPROCMASK
|
|
#define __ARCH_WANT_SYS_RT_SIGACTION
|
|
#define __ARCH_WANT_SYS_RT_SIGSUSPEND
|
|
# ifndef CONFIG_64BIT
|
|
# define __ARCH_WANT_STAT64
|
|
# define __ARCH_WANT_SYS_TIME
|
|
# endif
|
|
# ifdef CONFIG_COMPAT
|
|
# define __ARCH_WANT_COMPAT_SYS_TIME
|
|
# define __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND
|
|
# endif
|
|
|
|
#ifdef __KERNEL_SYSCALLS__
|
|
|
|
#include <linux/compiler.h>
|
|
#include <linux/types.h>
|
|
#include <asm/ptrace.h>
|
|
#include <asm/stat.h>
|
|
#include <linux/syscalls.h>
|
|
|
|
/*
|
|
* we need this inline - forking from kernel space will result
|
|
* in NO COPY ON WRITE (!!!), until an execve is executed. This
|
|
* is no problem, but for the stack. This is handled by not letting
|
|
* main() use the stack at all after fork(). Thus, no function
|
|
* calls - which means inline code for fork too, as otherwise we
|
|
* would use the stack upon exit from 'fork()'.
|
|
*
|
|
* Actually only pause and fork are needed inline, so that there
|
|
* won't be any messing with the stack from main(), but we define
|
|
* some others too.
|
|
*/
|
|
#define __NR__exit __NR_exit
|
|
static inline _syscall0(pid_t,setsid)
|
|
static inline _syscall3(int,write,int,fd,const char *,buf,off_t,count)
|
|
static inline _syscall3(int,read,int,fd,char *,buf,off_t,count)
|
|
static inline _syscall3(off_t,lseek,int,fd,off_t,offset,int,count)
|
|
static inline _syscall1(int,dup,int,fd)
|
|
static inline _syscall3(int,execve,const char *,file,char **,argv,char **,envp)
|
|
static inline _syscall3(int,open,const char *,file,int,flag,int,mode)
|
|
static inline _syscall1(int,close,int,fd)
|
|
static inline _syscall2(long,stat,char *,filename,struct stat *,statbuf)
|
|
|
|
static inline pid_t waitpid(int pid, int *wait_stat, int flags)
|
|
{
|
|
return sys_wait4(pid, wait_stat, flags, NULL);
|
|
}
|
|
struct mmap_arg_struct;
|
|
asmlinkage long sys_mmap2(struct mmap_arg_struct __user *arg);
|
|
|
|
asmlinkage long sys_execve(struct pt_regs regs);
|
|
asmlinkage long sys_clone(struct pt_regs regs);
|
|
asmlinkage long sys_fork(struct pt_regs regs);
|
|
asmlinkage long sys_vfork(struct pt_regs regs);
|
|
asmlinkage long sys_pipe(unsigned long __user *fildes);
|
|
struct sigaction;
|
|
asmlinkage long sys_rt_sigaction(int sig,
|
|
const struct sigaction __user *act,
|
|
struct sigaction __user *oact,
|
|
size_t sigsetsize);
|
|
|
|
#endif /* __KERNEL_SYSCALLS__ */
|
|
|
|
/*
|
|
* "Conditional" syscalls
|
|
*
|
|
* What we want is __attribute__((weak,alias("sys_ni_syscall"))),
|
|
* but it doesn't work on all toolchains, so we just do it by hand
|
|
*/
|
|
#define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall")
|
|
|
|
#endif /* __KERNEL__ */
|
|
#endif /* _ASM_S390_UNISTD_H_ */
|