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>
504 lines
16 KiB
C
504 lines
16 KiB
C
#ifndef _ASM_UNISTD_H_
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#define _ASM_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_restart_syscall 0
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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_waitpid 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_time 13
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#define __NR_mknod 14
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#define __NR_chmod 15
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#define __NR_lchown 16
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#define __NR_break 17
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#define __NR_oldstat 18
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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_setuid 23
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#define __NR_getuid 24
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#define __NR_stime 25
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#define __NR_ptrace 26
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#define __NR_alarm 27
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#define __NR_oldfstat 28
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#define __NR_pause 29
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#define __NR_utime 30
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#define __NR_stty 31
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#define __NR_gtty 32
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#define __NR_access 33
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#define __NR_nice 34
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#define __NR_ftime 35
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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_prof 44
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#define __NR_brk 45
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#define __NR_setgid 46
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#define __NR_getgid 47
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#define __NR_signal 48
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#define __NR_geteuid 49
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#define __NR_getegid 50
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#define __NR_acct 51
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#define __NR_umount2 52
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#define __NR_lock 53
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#define __NR_ioctl 54
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#define __NR_fcntl 55
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#define __NR_mpx 56
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#define __NR_setpgid 57
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#define __NR_ulimit 58
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// #define __NR_oldolduname /* 59 */ obsolete
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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_sgetmask 68
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#define __NR_ssetmask 69
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#define __NR_setreuid 70
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#define __NR_setregid 71
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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_getrlimit 76 /* Back compatible 2Gig limited rlimit */
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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_getgroups 80
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#define __NR_setgroups 81
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#define __NR_select 82
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#define __NR_symlink 83
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#define __NR_oldlstat 84
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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 /* obsolete - not implemented */
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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_fchown 95
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#define __NR_getpriority 96
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#define __NR_setpriority 97
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// #define __NR_profil /* 98 */ obsolete
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#define __NR_statfs 99
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#define __NR_fstatfs 100
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// #define __NR_ioperm /* 101 */ not supported
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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_olduname /* 109 */ obsolete
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// #define __NR_iopl /* 110 */ not supported
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#define __NR_vhangup 111
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// #define __NR_idle /* 112 */ Obsolete
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// #define __NR_vm86old /* 113 */ not supported
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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_modify_ldt /* 123 */ not supported
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#define __NR_cacheflush 123
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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_setfsuid 138
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#define __NR_setfsgid 139
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#define __NR__llseek 140
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#define __NR_getdents 141
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#define __NR__newselect 142
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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_setresuid 164
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#define __NR_getresuid 165
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// #define __NR_vm86 /* 166 */ not supported
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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_setresgid 170
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#define __NR_getresgid 171
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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_pread 180
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#define __NR_pwrite 181
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#define __NR_chown 182
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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 /* some people actually want streams */
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#define __NR_putpmsg 189 /* some people actually want streams */
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#define __NR_vfork 190
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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_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_fcntl64 221
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#define __NR_security 223 /* syscall for security modules */
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#define __NR_gettid 224
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#define __NR_readahead 225
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#define __NR_setxattr 226
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#define __NR_lsetxattr 227
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#define __NR_fsetxattr 228
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#define __NR_getxattr 229
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#define __NR_lgetxattr 230
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#define __NR_fgetxattr 231
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#define __NR_listxattr 232
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#define __NR_llistxattr 233
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#define __NR_flistxattr 234
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#define __NR_removexattr 235
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#define __NR_lremovexattr 236
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#define __NR_fremovexattr 237
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#define __NR_tkill 238
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#define __NR_sendfile64 239
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#define __NR_futex 240
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#define __NR_sched_setaffinity 241
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#define __NR_sched_getaffinity 242
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#define __NR_set_thread_area 243
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#define __NR_get_thread_area 244
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#define __NR_io_setup 245
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#define __NR_io_destroy 246
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#define __NR_io_getevents 247
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#define __NR_io_submit 248
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#define __NR_io_cancel 249
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#define __NR_fadvise64 250
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#define __NR_exit_group 252
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#define __NR_lookup_dcookie 253
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#define __NR_epoll_create 254
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#define __NR_epoll_ctl 255
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#define __NR_epoll_wait 256
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#define __NR_remap_file_pages 257
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#define __NR_set_tid_address 258
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#define __NR_timer_create 259
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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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#define __NR_statfs64 268
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#define __NR_fstatfs64 269
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#define __NR_tgkill 270
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#define __NR_utimes 271
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#define __NR_fadvise64_64 272
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#define __NR_vserver 273
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#define __NR_mbind 274
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#define __NR_get_mempolicy 275
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#define __NR_set_mempolicy 276
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#define __NR_mq_open 277
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#define __NR_mq_unlink (__NR_mq_open+1)
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#define __NR_mq_timedsend (__NR_mq_open+2)
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#define __NR_mq_timedreceive (__NR_mq_open+3)
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#define __NR_mq_notify (__NR_mq_open+4)
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#define __NR_mq_getsetattr (__NR_mq_open+5)
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#define __NR_kexec_load 283
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#define __NR_waitid 284
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/* #define __NR_sys_setaltroot 285 */
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#define __NR_add_key 286
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#define __NR_request_key 287
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#define __NR_keyctl 288
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#define __NR_ioprio_set 289
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#define __NR_ioprio_get 290
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#define __NR_inotify_init 291
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#define __NR_inotify_add_watch 292
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#define __NR_inotify_rm_watch 293
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#define __NR_migrate_pages 294
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#define __NR_openat 295
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#define __NR_mkdirat 296
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#define __NR_mknodat 297
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#define __NR_fchownat 298
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#define __NR_futimesat 299
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#define __NR_fstatat64 300
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#define __NR_unlinkat 301
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#define __NR_renameat 302
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#define __NR_linkat 303
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#define __NR_symlinkat 304
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#define __NR_readlinkat 305
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#define __NR_fchmodat 306
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#define __NR_faccessat 307
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#define __NR_pselect6 308
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#define __NR_ppoll 309
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#ifdef __KERNEL__
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#define NR_syscalls 310
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#include <linux/err.h>
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/*
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* process the return value of a syscall, consigning it to one of two possible fates
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* - user-visible error numbers are in the range -1 - -4095: see <asm-frv/errno.h>
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*/
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#undef __syscall_return
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#define __syscall_return(type, res) \
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do { \
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unsigned long __sr2 = (res); \
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if (__builtin_expect(__sr2 >= (unsigned long)(-MAX_ERRNO), 0)) { \
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errno = (-__sr2); \
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__sr2 = ~0UL; \
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} \
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return (type) __sr2; \
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} while (0)
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/* XXX - _foo needs to be __foo, while __NR_bar could be _NR_bar. */
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#undef _syscall0
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#define _syscall0(type,name) \
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type name(void) \
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{ \
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register unsigned long __scnum __asm__ ("gr7") = (__NR_##name); \
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register unsigned long __sc0 __asm__ ("gr8"); \
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__asm__ __volatile__ ("tira gr0,#0" \
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: "=r" (__sc0) \
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: "r" (__scnum)); \
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__syscall_return(type, __sc0); \
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}
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#undef _syscall1
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#define _syscall1(type,name,type1,arg1) \
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type name(type1 arg1) \
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{ \
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register unsigned long __scnum __asm__ ("gr7") = (__NR_##name); \
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register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1; \
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__asm__ __volatile__ ("tira gr0,#0" \
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: "+r" (__sc0) \
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: "r" (__scnum)); \
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__syscall_return(type, __sc0); \
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}
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#undef _syscall2
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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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{ \
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register unsigned long __scnum __asm__ ("gr7") = (__NR_##name); \
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register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1; \
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register unsigned long __sc1 __asm__ ("gr9") = (unsigned long) arg2; \
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__asm__ __volatile__ ("tira gr0,#0" \
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: "+r" (__sc0) \
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: "r" (__scnum), "r" (__sc1)); \
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__syscall_return(type, __sc0); \
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}
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#undef _syscall3
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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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{ \
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register unsigned long __scnum __asm__ ("gr7") = (__NR_##name); \
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register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1; \
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register unsigned long __sc1 __asm__ ("gr9") = (unsigned long) arg2; \
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register unsigned long __sc2 __asm__ ("gr10") = (unsigned long) arg3; \
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__asm__ __volatile__ ("tira gr0,#0" \
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: "+r" (__sc0) \
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: "r" (__scnum), "r" (__sc1), "r" (__sc2)); \
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__syscall_return(type, __sc0); \
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}
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#undef _syscall4
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#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
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type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
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{ \
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register unsigned long __scnum __asm__ ("gr7") = (__NR_##name); \
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register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1; \
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register unsigned long __sc1 __asm__ ("gr9") = (unsigned long) arg2; \
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register unsigned long __sc2 __asm__ ("gr10") = (unsigned long) arg3; \
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register unsigned long __sc3 __asm__ ("gr11") = (unsigned long) arg4; \
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__asm__ __volatile__ ("tira gr0,#0" \
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: "+r" (__sc0) \
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: "r" (__scnum), "r" (__sc1), "r" (__sc2), "r" (__sc3)); \
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__syscall_return(type, __sc0); \
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}
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#undef _syscall5
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#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \
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type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \
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{ \
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register unsigned long __scnum __asm__ ("gr7") = (__NR_##name); \
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register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1; \
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register unsigned long __sc1 __asm__ ("gr9") = (unsigned long) arg2; \
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register unsigned long __sc2 __asm__ ("gr10") = (unsigned long) arg3; \
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register unsigned long __sc3 __asm__ ("gr11") = (unsigned long) arg4; \
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register unsigned long __sc4 __asm__ ("gr12") = (unsigned long) arg5; \
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__asm__ __volatile__ ("tira gr0,#0" \
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: "+r" (__sc0) \
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: "r" (__scnum), "r" (__sc1), "r" (__sc2), \
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"r" (__sc3), "r" (__sc4)); \
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__syscall_return(type, __sc0); \
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}
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#undef _syscall6
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#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5, type6, arg6) \
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type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6) \
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{ \
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register unsigned long __scnum __asm__ ("gr7") = (__NR_##name); \
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register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1; \
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register unsigned long __sc1 __asm__ ("gr9") = (unsigned long) arg2; \
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register unsigned long __sc2 __asm__ ("gr10") = (unsigned long) arg3; \
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register unsigned long __sc3 __asm__ ("gr11") = (unsigned long) arg4; \
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register unsigned long __sc4 __asm__ ("gr12") = (unsigned long) arg5; \
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register unsigned long __sc5 __asm__ ("gr13") = (unsigned long) arg6; \
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__asm__ __volatile__ ("tira gr0,#0" \
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: "+r" (__sc0) \
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: "r" (__scnum), "r" (__sc1), "r" (__sc2), \
|
|
"r" (__sc3), "r" (__sc4), "r" (__sc5)); \
|
|
__syscall_return(type, __sc0); \
|
|
}
|
|
|
|
|
|
#ifdef __KERNEL_SYSCALLS__
|
|
|
|
#include <linux/compiler.h>
|
|
#include <linux/types.h>
|
|
#include <linux/linkage.h>
|
|
#include <asm/ptrace.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 _syscall3(int,execve,const char *,file,char **,argv,char **,envp)
|
|
|
|
#endif /* __KERNEL_SYSCALLS__ */
|
|
|
|
#define __ARCH_WANT_IPC_PARSE_VERSION
|
|
/* #define __ARCH_WANT_OLD_READDIR */
|
|
#define __ARCH_WANT_OLD_STAT
|
|
#define __ARCH_WANT_STAT64
|
|
#define __ARCH_WANT_SYS_ALARM
|
|
/* #define __ARCH_WANT_SYS_GETHOSTNAME */
|
|
#define __ARCH_WANT_SYS_PAUSE
|
|
/* #define __ARCH_WANT_SYS_SGETMASK */
|
|
/* #define __ARCH_WANT_SYS_SIGNAL */
|
|
#define __ARCH_WANT_SYS_TIME
|
|
#define __ARCH_WANT_SYS_UTIME
|
|
#define __ARCH_WANT_SYS_WAITPID
|
|
#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
|
|
|
|
/*
|
|
* "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
|
|
*/
|
|
#ifndef cond_syscall
|
|
#define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall")
|
|
#endif
|
|
|
|
#endif /* __KERNEL__ */
|
|
#endif /* _ASM_UNISTD_H_ */
|