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>
503 lines
16 KiB
C
503 lines
16 KiB
C
#ifndef _ASM_UNISTD_H_
|
|
#define _ASM_UNISTD_H_
|
|
|
|
/*
|
|
* This file contains the system call numbers.
|
|
*/
|
|
|
|
#define __NR_restart_syscall 0
|
|
#define __NR_exit 1
|
|
#define __NR_fork 2
|
|
#define __NR_read 3
|
|
#define __NR_write 4
|
|
#define __NR_open 5
|
|
#define __NR_close 6
|
|
#define __NR_waitpid 7
|
|
#define __NR_creat 8
|
|
#define __NR_link 9
|
|
#define __NR_unlink 10
|
|
#define __NR_execve 11
|
|
#define __NR_chdir 12
|
|
#define __NR_time 13
|
|
#define __NR_mknod 14
|
|
#define __NR_chmod 15
|
|
#define __NR_lchown 16
|
|
#define __NR_break 17
|
|
#define __NR_oldstat 18
|
|
#define __NR_lseek 19
|
|
#define __NR_getpid 20
|
|
#define __NR_mount 21
|
|
#define __NR_umount 22
|
|
#define __NR_setuid 23
|
|
#define __NR_getuid 24
|
|
#define __NR_stime 25
|
|
#define __NR_ptrace 26
|
|
#define __NR_alarm 27
|
|
#define __NR_oldfstat 28
|
|
#define __NR_pause 29
|
|
#define __NR_utime 30
|
|
#define __NR_stty 31
|
|
#define __NR_gtty 32
|
|
#define __NR_access 33
|
|
#define __NR_nice 34
|
|
#define __NR_ftime 35
|
|
#define __NR_sync 36
|
|
#define __NR_kill 37
|
|
#define __NR_rename 38
|
|
#define __NR_mkdir 39
|
|
#define __NR_rmdir 40
|
|
#define __NR_dup 41
|
|
#define __NR_pipe 42
|
|
#define __NR_times 43
|
|
#define __NR_prof 44
|
|
#define __NR_brk 45
|
|
#define __NR_setgid 46
|
|
#define __NR_getgid 47
|
|
#define __NR_signal 48
|
|
#define __NR_geteuid 49
|
|
#define __NR_getegid 50
|
|
#define __NR_acct 51
|
|
#define __NR_umount2 52
|
|
#define __NR_lock 53
|
|
#define __NR_ioctl 54
|
|
#define __NR_fcntl 55
|
|
#define __NR_mpx 56
|
|
#define __NR_setpgid 57
|
|
#define __NR_ulimit 58
|
|
// #define __NR_oldolduname /* 59 */ obsolete
|
|
#define __NR_umask 60
|
|
#define __NR_chroot 61
|
|
#define __NR_ustat 62
|
|
#define __NR_dup2 63
|
|
#define __NR_getppid 64
|
|
#define __NR_getpgrp 65
|
|
#define __NR_setsid 66
|
|
#define __NR_sigaction 67
|
|
#define __NR_sgetmask 68
|
|
#define __NR_ssetmask 69
|
|
#define __NR_setreuid 70
|
|
#define __NR_setregid 71
|
|
#define __NR_sigsuspend 72
|
|
#define __NR_sigpending 73
|
|
#define __NR_sethostname 74
|
|
#define __NR_setrlimit 75
|
|
#define __NR_getrlimit 76 /* Back compatible 2Gig limited rlimit */
|
|
#define __NR_getrusage 77
|
|
#define __NR_gettimeofday 78
|
|
#define __NR_settimeofday 79
|
|
#define __NR_getgroups 80
|
|
#define __NR_setgroups 81
|
|
#define __NR_select 82
|
|
#define __NR_symlink 83
|
|
#define __NR_oldlstat 84
|
|
#define __NR_readlink 85
|
|
#define __NR_uselib 86
|
|
#define __NR_swapon 87
|
|
#define __NR_reboot 88
|
|
#define __NR_readdir 89
|
|
// #define __NR_mmap 90 /* obsolete - not implemented */
|
|
#define __NR_munmap 91
|
|
#define __NR_truncate 92
|
|
#define __NR_ftruncate 93
|
|
#define __NR_fchmod 94
|
|
#define __NR_fchown 95
|
|
#define __NR_getpriority 96
|
|
#define __NR_setpriority 97
|
|
// #define __NR_profil /* 98 */ obsolete
|
|
#define __NR_statfs 99
|
|
#define __NR_fstatfs 100
|
|
// #define __NR_ioperm /* 101 */ not supported
|
|
#define __NR_socketcall 102
|
|
#define __NR_syslog 103
|
|
#define __NR_setitimer 104
|
|
#define __NR_getitimer 105
|
|
#define __NR_stat 106
|
|
#define __NR_lstat 107
|
|
#define __NR_fstat 108
|
|
// #define __NR_olduname /* 109 */ obsolete
|
|
// #define __NR_iopl /* 110 */ not supported
|
|
#define __NR_vhangup 111
|
|
// #define __NR_idle /* 112 */ Obsolete
|
|
// #define __NR_vm86old /* 113 */ not supported
|
|
#define __NR_wait4 114
|
|
#define __NR_swapoff 115
|
|
#define __NR_sysinfo 116
|
|
#define __NR_ipc 117
|
|
#define __NR_fsync 118
|
|
#define __NR_sigreturn 119
|
|
#define __NR_clone 120
|
|
#define __NR_setdomainname 121
|
|
#define __NR_uname 122
|
|
// #define __NR_modify_ldt /* 123 */ not supported
|
|
#define __NR_cacheflush 123
|
|
#define __NR_adjtimex 124
|
|
#define __NR_mprotect 125
|
|
#define __NR_sigprocmask 126
|
|
#define __NR_create_module 127
|
|
#define __NR_init_module 128
|
|
#define __NR_delete_module 129
|
|
#define __NR_get_kernel_syms 130
|
|
#define __NR_quotactl 131
|
|
#define __NR_getpgid 132
|
|
#define __NR_fchdir 133
|
|
#define __NR_bdflush 134
|
|
#define __NR_sysfs 135
|
|
#define __NR_personality 136
|
|
#define __NR_afs_syscall 137 /* Syscall for Andrew File System */
|
|
#define __NR_setfsuid 138
|
|
#define __NR_setfsgid 139
|
|
#define __NR__llseek 140
|
|
#define __NR_getdents 141
|
|
#define __NR__newselect 142
|
|
#define __NR_flock 143
|
|
#define __NR_msync 144
|
|
#define __NR_readv 145
|
|
#define __NR_writev 146
|
|
#define __NR_getsid 147
|
|
#define __NR_fdatasync 148
|
|
#define __NR__sysctl 149
|
|
#define __NR_mlock 150
|
|
#define __NR_munlock 151
|
|
#define __NR_mlockall 152
|
|
#define __NR_munlockall 153
|
|
#define __NR_sched_setparam 154
|
|
#define __NR_sched_getparam 155
|
|
#define __NR_sched_setscheduler 156
|
|
#define __NR_sched_getscheduler 157
|
|
#define __NR_sched_yield 158
|
|
#define __NR_sched_get_priority_max 159
|
|
#define __NR_sched_get_priority_min 160
|
|
#define __NR_sched_rr_get_interval 161
|
|
#define __NR_nanosleep 162
|
|
#define __NR_mremap 163
|
|
#define __NR_setresuid 164
|
|
#define __NR_getresuid 165
|
|
// #define __NR_vm86 /* 166 */ not supported
|
|
#define __NR_query_module 167
|
|
#define __NR_poll 168
|
|
#define __NR_nfsservctl 169
|
|
#define __NR_setresgid 170
|
|
#define __NR_getresgid 171
|
|
#define __NR_prctl 172
|
|
#define __NR_rt_sigreturn 173
|
|
#define __NR_rt_sigaction 174
|
|
#define __NR_rt_sigprocmask 175
|
|
#define __NR_rt_sigpending 176
|
|
#define __NR_rt_sigtimedwait 177
|
|
#define __NR_rt_sigqueueinfo 178
|
|
#define __NR_rt_sigsuspend 179
|
|
#define __NR_pread 180
|
|
#define __NR_pwrite 181
|
|
#define __NR_chown 182
|
|
#define __NR_getcwd 183
|
|
#define __NR_capget 184
|
|
#define __NR_capset 185
|
|
#define __NR_sigaltstack 186
|
|
#define __NR_sendfile 187
|
|
#define __NR_getpmsg 188 /* some people actually want streams */
|
|
#define __NR_putpmsg 189 /* some people actually want streams */
|
|
#define __NR_vfork 190
|
|
#define __NR_ugetrlimit 191 /* SuS compliant getrlimit */
|
|
#define __NR_mmap2 192
|
|
#define __NR_truncate64 193
|
|
#define __NR_ftruncate64 194
|
|
#define __NR_stat64 195
|
|
#define __NR_lstat64 196
|
|
#define __NR_fstat64 197
|
|
#define __NR_lchown32 198
|
|
#define __NR_getuid32 199
|
|
#define __NR_getgid32 200
|
|
#define __NR_geteuid32 201
|
|
#define __NR_getegid32 202
|
|
#define __NR_setreuid32 203
|
|
#define __NR_setregid32 204
|
|
#define __NR_getgroups32 205
|
|
#define __NR_setgroups32 206
|
|
#define __NR_fchown32 207
|
|
#define __NR_setresuid32 208
|
|
#define __NR_getresuid32 209
|
|
#define __NR_setresgid32 210
|
|
#define __NR_getresgid32 211
|
|
#define __NR_chown32 212
|
|
#define __NR_setuid32 213
|
|
#define __NR_setgid32 214
|
|
#define __NR_setfsuid32 215
|
|
#define __NR_setfsgid32 216
|
|
#define __NR_pivot_root 217
|
|
#define __NR_mincore 218
|
|
#define __NR_madvise 219
|
|
|
|
#define __NR_getdents64 220
|
|
#define __NR_fcntl64 221
|
|
#define __NR_security 223 /* syscall for security modules */
|
|
#define __NR_gettid 224
|
|
#define __NR_readahead 225
|
|
#define __NR_setxattr 226
|
|
#define __NR_lsetxattr 227
|
|
#define __NR_fsetxattr 228
|
|
#define __NR_getxattr 229
|
|
#define __NR_lgetxattr 230
|
|
#define __NR_fgetxattr 231
|
|
#define __NR_listxattr 232
|
|
#define __NR_llistxattr 233
|
|
#define __NR_flistxattr 234
|
|
#define __NR_removexattr 235
|
|
#define __NR_lremovexattr 236
|
|
#define __NR_fremovexattr 237
|
|
#define __NR_tkill 238
|
|
#define __NR_sendfile64 239
|
|
#define __NR_futex 240
|
|
#define __NR_sched_setaffinity 241
|
|
#define __NR_sched_getaffinity 242
|
|
#define __NR_set_thread_area 243
|
|
#define __NR_get_thread_area 244
|
|
#define __NR_io_setup 245
|
|
#define __NR_io_destroy 246
|
|
#define __NR_io_getevents 247
|
|
#define __NR_io_submit 248
|
|
#define __NR_io_cancel 249
|
|
#define __NR_fadvise64 250
|
|
|
|
#define __NR_exit_group 252
|
|
#define __NR_lookup_dcookie 253
|
|
#define __NR_epoll_create 254
|
|
#define __NR_epoll_ctl 255
|
|
#define __NR_epoll_wait 256
|
|
#define __NR_remap_file_pages 257
|
|
#define __NR_set_tid_address 258
|
|
#define __NR_timer_create 259
|
|
#define __NR_timer_settime (__NR_timer_create+1)
|
|
#define __NR_timer_gettime (__NR_timer_create+2)
|
|
#define __NR_timer_getoverrun (__NR_timer_create+3)
|
|
#define __NR_timer_delete (__NR_timer_create+4)
|
|
#define __NR_clock_settime (__NR_timer_create+5)
|
|
#define __NR_clock_gettime (__NR_timer_create+6)
|
|
#define __NR_clock_getres (__NR_timer_create+7)
|
|
#define __NR_clock_nanosleep (__NR_timer_create+8)
|
|
#define __NR_statfs64 268
|
|
#define __NR_fstatfs64 269
|
|
#define __NR_tgkill 270
|
|
#define __NR_utimes 271
|
|
#define __NR_fadvise64_64 272
|
|
#define __NR_vserver 273
|
|
#define __NR_mbind 274
|
|
#define __NR_get_mempolicy 275
|
|
#define __NR_set_mempolicy 276
|
|
#define __NR_mq_open 277
|
|
#define __NR_mq_unlink (__NR_mq_open+1)
|
|
#define __NR_mq_timedsend (__NR_mq_open+2)
|
|
#define __NR_mq_timedreceive (__NR_mq_open+3)
|
|
#define __NR_mq_notify (__NR_mq_open+4)
|
|
#define __NR_mq_getsetattr (__NR_mq_open+5)
|
|
#define __NR_kexec_load 283
|
|
#define __NR_waitid 284
|
|
/* #define __NR_sys_setaltroot 285 */
|
|
#define __NR_add_key 286
|
|
#define __NR_request_key 287
|
|
#define __NR_keyctl 288
|
|
#define __NR_ioprio_set 289
|
|
#define __NR_ioprio_get 290
|
|
#define __NR_inotify_init 291
|
|
#define __NR_inotify_add_watch 292
|
|
#define __NR_inotify_rm_watch 293
|
|
#define __NR_migrate_pages 294
|
|
#define __NR_openat 295
|
|
#define __NR_mkdirat 296
|
|
#define __NR_mknodat 297
|
|
#define __NR_fchownat 298
|
|
#define __NR_futimesat 299
|
|
#define __NR_fstatat64 300
|
|
#define __NR_unlinkat 301
|
|
#define __NR_renameat 302
|
|
#define __NR_linkat 303
|
|
#define __NR_symlinkat 304
|
|
#define __NR_readlinkat 305
|
|
#define __NR_fchmodat 306
|
|
#define __NR_faccessat 307
|
|
#define __NR_pselect6 308
|
|
#define __NR_ppoll 309
|
|
|
|
#ifdef __KERNEL__
|
|
|
|
#define NR_syscalls 310
|
|
#include <linux/err.h>
|
|
|
|
/*
|
|
* process the return value of a syscall, consigning it to one of two possible fates
|
|
* - user-visible error numbers are in the range -1 - -4095: see <asm-frv/errno.h>
|
|
*/
|
|
#undef __syscall_return
|
|
#define __syscall_return(type, res) \
|
|
do { \
|
|
unsigned long __sr2 = (res); \
|
|
if (__builtin_expect(__sr2 >= (unsigned long)(-MAX_ERRNO), 0)) { \
|
|
errno = (-__sr2); \
|
|
__sr2 = ~0UL; \
|
|
} \
|
|
return (type) __sr2; \
|
|
} while (0)
|
|
|
|
/* XXX - _foo needs to be __foo, while __NR_bar could be _NR_bar. */
|
|
|
|
#undef _syscall0
|
|
#define _syscall0(type,name) \
|
|
type name(void) \
|
|
{ \
|
|
register unsigned long __scnum __asm__ ("gr7") = (__NR_##name); \
|
|
register unsigned long __sc0 __asm__ ("gr8"); \
|
|
__asm__ __volatile__ ("tira gr0,#0" \
|
|
: "=r" (__sc0) \
|
|
: "r" (__scnum)); \
|
|
__syscall_return(type, __sc0); \
|
|
}
|
|
|
|
#undef _syscall1
|
|
#define _syscall1(type,name,type1,arg1) \
|
|
type name(type1 arg1) \
|
|
{ \
|
|
register unsigned long __scnum __asm__ ("gr7") = (__NR_##name); \
|
|
register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1; \
|
|
__asm__ __volatile__ ("tira gr0,#0" \
|
|
: "+r" (__sc0) \
|
|
: "r" (__scnum)); \
|
|
__syscall_return(type, __sc0); \
|
|
}
|
|
|
|
#undef _syscall2
|
|
#define _syscall2(type,name,type1,arg1,type2,arg2) \
|
|
type name(type1 arg1,type2 arg2) \
|
|
{ \
|
|
register unsigned long __scnum __asm__ ("gr7") = (__NR_##name); \
|
|
register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1; \
|
|
register unsigned long __sc1 __asm__ ("gr9") = (unsigned long) arg2; \
|
|
__asm__ __volatile__ ("tira gr0,#0" \
|
|
: "+r" (__sc0) \
|
|
: "r" (__scnum), "r" (__sc1)); \
|
|
__syscall_return(type, __sc0); \
|
|
}
|
|
|
|
#undef _syscall3
|
|
#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
|
|
type name(type1 arg1,type2 arg2,type3 arg3) \
|
|
{ \
|
|
register unsigned long __scnum __asm__ ("gr7") = (__NR_##name); \
|
|
register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1; \
|
|
register unsigned long __sc1 __asm__ ("gr9") = (unsigned long) arg2; \
|
|
register unsigned long __sc2 __asm__ ("gr10") = (unsigned long) arg3; \
|
|
__asm__ __volatile__ ("tira gr0,#0" \
|
|
: "+r" (__sc0) \
|
|
: "r" (__scnum), "r" (__sc1), "r" (__sc2)); \
|
|
__syscall_return(type, __sc0); \
|
|
}
|
|
|
|
#undef _syscall4
|
|
#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
|
|
type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
|
|
{ \
|
|
register unsigned long __scnum __asm__ ("gr7") = (__NR_##name); \
|
|
register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1; \
|
|
register unsigned long __sc1 __asm__ ("gr9") = (unsigned long) arg2; \
|
|
register unsigned long __sc2 __asm__ ("gr10") = (unsigned long) arg3; \
|
|
register unsigned long __sc3 __asm__ ("gr11") = (unsigned long) arg4; \
|
|
__asm__ __volatile__ ("tira gr0,#0" \
|
|
: "+r" (__sc0) \
|
|
: "r" (__scnum), "r" (__sc1), "r" (__sc2), "r" (__sc3)); \
|
|
__syscall_return(type, __sc0); \
|
|
}
|
|
|
|
#undef _syscall5
|
|
#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \
|
|
type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \
|
|
{ \
|
|
register unsigned long __scnum __asm__ ("gr7") = (__NR_##name); \
|
|
register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1; \
|
|
register unsigned long __sc1 __asm__ ("gr9") = (unsigned long) arg2; \
|
|
register unsigned long __sc2 __asm__ ("gr10") = (unsigned long) arg3; \
|
|
register unsigned long __sc3 __asm__ ("gr11") = (unsigned long) arg4; \
|
|
register unsigned long __sc4 __asm__ ("gr12") = (unsigned long) arg5; \
|
|
__asm__ __volatile__ ("tira gr0,#0" \
|
|
: "+r" (__sc0) \
|
|
: "r" (__scnum), "r" (__sc1), "r" (__sc2), \
|
|
"r" (__sc3), "r" (__sc4)); \
|
|
__syscall_return(type, __sc0); \
|
|
}
|
|
|
|
#undef _syscall6
|
|
#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5, type6, arg6) \
|
|
type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6) \
|
|
{ \
|
|
register unsigned long __scnum __asm__ ("gr7") = (__NR_##name); \
|
|
register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1; \
|
|
register unsigned long __sc1 __asm__ ("gr9") = (unsigned long) arg2; \
|
|
register unsigned long __sc2 __asm__ ("gr10") = (unsigned long) arg3; \
|
|
register unsigned long __sc3 __asm__ ("gr11") = (unsigned long) arg4; \
|
|
register unsigned long __sc4 __asm__ ("gr12") = (unsigned long) arg5; \
|
|
register unsigned long __sc5 __asm__ ("gr13") = (unsigned long) arg6; \
|
|
__asm__ __volatile__ ("tira gr0,#0" \
|
|
: "+r" (__sc0) \
|
|
: "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_ */
|