2018-09-09 09:52:50 +08:00
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# SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
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#
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# system call numbers and entry vectors for parisc
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#
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# The format is:
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# <number> <abi> <name> <entry point> <compat entry point>
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#
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# The <abi> can be common, 64, or 32 for this file.
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#
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0 common restart_syscall sys_restart_syscall
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1 common exit sys_exit
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2 common fork sys_fork_wrapper
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3 common read sys_read
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4 common write sys_write
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5 common open sys_open compat_sys_open
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6 common close sys_close
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7 common waitpid sys_waitpid
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8 common creat sys_creat
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9 common link sys_link
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10 common unlink sys_unlink
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11 common execve sys_execve compat_sys_execve
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12 common chdir sys_chdir
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y2038: rename old time and utime syscalls
The time, stime, utime, utimes, and futimesat system calls are only
used on older architectures, and we do not provide y2038 safe variants
of them, as they are replaced by clock_gettime64, clock_settime64,
and utimensat_time64.
However, for consistency it seems better to have the 32-bit architectures
that still use them call the "time32" entry points (leaving the
traditional handlers for the 64-bit architectures), like we do for system
calls that now require two versions.
Note: We used to always define __ARCH_WANT_SYS_TIME and
__ARCH_WANT_SYS_UTIME and only set __ARCH_WANT_COMPAT_SYS_TIME and
__ARCH_WANT_SYS_UTIME32 for compat mode on 64-bit kernels. Now this is
reversed: only 64-bit architectures set __ARCH_WANT_SYS_TIME/UTIME, while
we need __ARCH_WANT_SYS_TIME32/UTIME32 for 32-bit architectures and compat
mode. The resulting asm/unistd.h changes look a bit counterintuitive.
This is only a cleanup patch and it should not change any behavior.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
2019-01-07 06:45:29 +08:00
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13 32 time sys_time32
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13 64 time sys_time
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2018-09-09 09:52:50 +08:00
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14 common mknod sys_mknod
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15 common chmod sys_chmod
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16 common lchown sys_lchown
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17 common socket sys_socket
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18 common stat sys_newstat compat_sys_newstat
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19 common lseek sys_lseek compat_sys_lseek
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20 common getpid sys_getpid
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21 common mount sys_mount compat_sys_mount
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22 common bind sys_bind
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23 common setuid sys_setuid
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24 common getuid sys_getuid
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y2038: rename old time and utime syscalls
The time, stime, utime, utimes, and futimesat system calls are only
used on older architectures, and we do not provide y2038 safe variants
of them, as they are replaced by clock_gettime64, clock_settime64,
and utimensat_time64.
However, for consistency it seems better to have the 32-bit architectures
that still use them call the "time32" entry points (leaving the
traditional handlers for the 64-bit architectures), like we do for system
calls that now require two versions.
Note: We used to always define __ARCH_WANT_SYS_TIME and
__ARCH_WANT_SYS_UTIME and only set __ARCH_WANT_COMPAT_SYS_TIME and
__ARCH_WANT_SYS_UTIME32 for compat mode on 64-bit kernels. Now this is
reversed: only 64-bit architectures set __ARCH_WANT_SYS_TIME/UTIME, while
we need __ARCH_WANT_SYS_TIME32/UTIME32 for 32-bit architectures and compat
mode. The resulting asm/unistd.h changes look a bit counterintuitive.
This is only a cleanup patch and it should not change any behavior.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
2019-01-07 06:45:29 +08:00
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25 32 stime sys_stime32
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25 64 stime sys_stime
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2018-09-09 09:52:50 +08:00
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26 common ptrace sys_ptrace compat_sys_ptrace
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27 common alarm sys_alarm
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28 common fstat sys_newfstat compat_sys_newfstat
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29 common pause sys_pause
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y2038: rename old time and utime syscalls
The time, stime, utime, utimes, and futimesat system calls are only
used on older architectures, and we do not provide y2038 safe variants
of them, as they are replaced by clock_gettime64, clock_settime64,
and utimensat_time64.
However, for consistency it seems better to have the 32-bit architectures
that still use them call the "time32" entry points (leaving the
traditional handlers for the 64-bit architectures), like we do for system
calls that now require two versions.
Note: We used to always define __ARCH_WANT_SYS_TIME and
__ARCH_WANT_SYS_UTIME and only set __ARCH_WANT_COMPAT_SYS_TIME and
__ARCH_WANT_SYS_UTIME32 for compat mode on 64-bit kernels. Now this is
reversed: only 64-bit architectures set __ARCH_WANT_SYS_TIME/UTIME, while
we need __ARCH_WANT_SYS_TIME32/UTIME32 for 32-bit architectures and compat
mode. The resulting asm/unistd.h changes look a bit counterintuitive.
This is only a cleanup patch and it should not change any behavior.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
2019-01-07 06:45:29 +08:00
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30 32 utime sys_utime32
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30 64 utime sys_utime
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2018-09-09 09:52:50 +08:00
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31 common connect sys_connect
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32 common listen sys_listen
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33 common access sys_access
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34 common nice sys_nice
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35 common accept sys_accept
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36 common sync sys_sync
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37 common kill sys_kill
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38 common rename sys_rename
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39 common mkdir sys_mkdir
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40 common rmdir sys_rmdir
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41 common dup sys_dup
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42 common pipe sys_pipe
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43 common times sys_times compat_sys_times
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44 common getsockname sys_getsockname
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45 common brk sys_brk
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46 common setgid sys_setgid
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47 common getgid sys_getgid
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48 common signal sys_signal
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49 common geteuid sys_geteuid
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50 common getegid sys_getegid
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51 common acct sys_acct
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52 common umount2 sys_umount
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53 common getpeername sys_getpeername
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54 common ioctl sys_ioctl compat_sys_ioctl
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55 common fcntl sys_fcntl compat_sys_fcntl
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56 common socketpair sys_socketpair
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57 common setpgid sys_setpgid
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58 common send sys_send
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59 common uname sys_newuname
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60 common umask sys_umask
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61 common chroot sys_chroot
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62 common ustat sys_ustat compat_sys_ustat
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63 common dup2 sys_dup2
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64 common getppid sys_getppid
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65 common getpgrp sys_getpgrp
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66 common setsid sys_setsid
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67 common pivot_root sys_pivot_root
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68 common sgetmask sys_sgetmask sys32_unimplemented
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69 common ssetmask sys_ssetmask sys32_unimplemented
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70 common setreuid sys_setreuid
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71 common setregid sys_setregid
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72 common mincore sys_mincore
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73 common sigpending sys_sigpending compat_sys_sigpending
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74 common sethostname sys_sethostname
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75 common setrlimit sys_setrlimit compat_sys_setrlimit
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76 common getrlimit sys_getrlimit compat_sys_getrlimit
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77 common getrusage sys_getrusage compat_sys_getrusage
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78 common gettimeofday sys_gettimeofday compat_sys_gettimeofday
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79 common settimeofday sys_settimeofday compat_sys_settimeofday
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80 common getgroups sys_getgroups
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81 common setgroups sys_setgroups
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82 common sendto sys_sendto
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83 common symlink sys_symlink
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84 common lstat sys_newlstat compat_sys_newlstat
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85 common readlink sys_readlink
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86 common uselib sys_ni_syscall
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87 common swapon sys_swapon
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88 common reboot sys_reboot
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89 common mmap2 sys_mmap2
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90 common mmap sys_mmap
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91 common munmap sys_munmap
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92 common truncate sys_truncate compat_sys_truncate
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93 common ftruncate sys_ftruncate compat_sys_ftruncate
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94 common fchmod sys_fchmod
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95 common fchown sys_fchown
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96 common getpriority sys_getpriority
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97 common setpriority sys_setpriority
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98 common recv sys_recv
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99 common statfs sys_statfs compat_sys_statfs
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100 common fstatfs sys_fstatfs compat_sys_fstatfs
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101 common stat64 sys_stat64
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# 102 was socketcall
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103 common syslog sys_syslog
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104 common setitimer sys_setitimer compat_sys_setitimer
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105 common getitimer sys_getitimer compat_sys_getitimer
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106 common capget sys_capget
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107 common capset sys_capset
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108 32 pread64 parisc_pread64
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108 64 pread64 sys_pread64
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109 32 pwrite64 parisc_pwrite64
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109 64 pwrite64 sys_pwrite64
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110 common getcwd sys_getcwd
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111 common vhangup sys_vhangup
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112 common fstat64 sys_fstat64
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113 common vfork sys_vfork_wrapper
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114 common wait4 sys_wait4 compat_sys_wait4
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115 common swapoff sys_swapoff
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116 common sysinfo sys_sysinfo compat_sys_sysinfo
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117 common shutdown sys_shutdown
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118 common fsync sys_fsync
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119 common madvise sys_madvise
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120 common clone sys_clone_wrapper
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121 common setdomainname sys_setdomainname
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122 common sendfile sys_sendfile compat_sys_sendfile
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123 common recvfrom sys_recvfrom
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2019-01-01 08:13:32 +08:00
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124 32 adjtimex sys_adjtimex_time32
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124 64 adjtimex sys_adjtimex
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2018-09-09 09:52:50 +08:00
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125 common mprotect sys_mprotect
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126 common sigprocmask sys_sigprocmask compat_sys_sigprocmask
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# 127 was create_module
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128 common init_module sys_init_module
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129 common delete_module sys_delete_module
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# 130 was get_kernel_syms
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131 common quotactl sys_quotactl
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132 common getpgid sys_getpgid
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133 common fchdir sys_fchdir
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134 common bdflush sys_bdflush
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135 common sysfs sys_sysfs
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136 32 personality parisc_personality
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136 64 personality sys_personality
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# 137 was afs_syscall
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138 common setfsuid sys_setfsuid
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139 common setfsgid sys_setfsgid
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140 common _llseek sys_llseek
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141 common getdents sys_getdents compat_sys_getdents
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142 common _newselect sys_select compat_sys_select
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143 common flock sys_flock
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144 common msync sys_msync
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145 common readv sys_readv compat_sys_readv
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146 common writev sys_writev compat_sys_writev
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147 common getsid sys_getsid
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148 common fdatasync sys_fdatasync
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2020-08-15 08:31:07 +08:00
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149 common _sysctl sys_ni_syscall
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2018-09-09 09:52:50 +08:00
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150 common mlock sys_mlock
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151 common munlock sys_munlock
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152 common mlockall sys_mlockall
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153 common munlockall sys_munlockall
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154 common sched_setparam sys_sched_setparam
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155 common sched_getparam sys_sched_getparam
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156 common sched_setscheduler sys_sched_setscheduler
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157 common sched_getscheduler sys_sched_getscheduler
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158 common sched_yield sys_sched_yield
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159 common sched_get_priority_max sys_sched_get_priority_max
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160 common sched_get_priority_min sys_sched_get_priority_min
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2019-01-01 08:13:32 +08:00
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161 32 sched_rr_get_interval sys_sched_rr_get_interval_time32
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161 64 sched_rr_get_interval sys_sched_rr_get_interval
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162 32 nanosleep sys_nanosleep_time32
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162 64 nanosleep sys_nanosleep
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2018-09-09 09:52:50 +08:00
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163 common mremap sys_mremap
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164 common setresuid sys_setresuid
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165 common getresuid sys_getresuid
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166 common sigaltstack sys_sigaltstack compat_sys_sigaltstack
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# 167 was query_module
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168 common poll sys_poll
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# 169 was nfsservctl
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170 common setresgid sys_setresgid
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171 common getresgid sys_getresgid
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172 common prctl sys_prctl
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173 common rt_sigreturn sys_rt_sigreturn_wrapper
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174 common rt_sigaction sys_rt_sigaction compat_sys_rt_sigaction
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175 common rt_sigprocmask sys_rt_sigprocmask compat_sys_rt_sigprocmask
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176 common rt_sigpending sys_rt_sigpending compat_sys_rt_sigpending
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2019-01-01 08:13:32 +08:00
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177 32 rt_sigtimedwait sys_rt_sigtimedwait_time32 compat_sys_rt_sigtimedwait_time32
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177 64 rt_sigtimedwait sys_rt_sigtimedwait
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2018-09-09 09:52:50 +08:00
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178 common rt_sigqueueinfo sys_rt_sigqueueinfo compat_sys_rt_sigqueueinfo
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179 common rt_sigsuspend sys_rt_sigsuspend compat_sys_rt_sigsuspend
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180 common chown sys_chown
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2020-07-17 14:23:15 +08:00
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181 common setsockopt sys_setsockopt sys_setsockopt
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182 common getsockopt sys_getsockopt sys_getsockopt
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2018-09-09 09:52:50 +08:00
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183 common sendmsg sys_sendmsg compat_sys_sendmsg
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184 common recvmsg sys_recvmsg compat_sys_recvmsg
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185 common semop sys_semop
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186 common semget sys_semget
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187 common semctl sys_semctl compat_sys_semctl
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188 common msgsnd sys_msgsnd compat_sys_msgsnd
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189 common msgrcv sys_msgrcv compat_sys_msgrcv
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190 common msgget sys_msgget
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191 common msgctl sys_msgctl compat_sys_msgctl
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192 common shmat sys_shmat compat_sys_shmat
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193 common shmdt sys_shmdt
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194 common shmget sys_shmget
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195 common shmctl sys_shmctl compat_sys_shmctl
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# 196 was getpmsg
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# 197 was putpmsg
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198 common lstat64 sys_lstat64
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199 32 truncate64 parisc_truncate64
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199 64 truncate64 sys_truncate64
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200 32 ftruncate64 parisc_ftruncate64
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200 64 ftruncate64 sys_ftruncate64
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201 common getdents64 sys_getdents64
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202 common fcntl64 sys_fcntl64 compat_sys_fcntl64
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# 203 was attrctl
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# 204 was acl_get
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# 205 was acl_set
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206 common gettid sys_gettid
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207 32 readahead parisc_readahead
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207 64 readahead sys_readahead
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208 common tkill sys_tkill
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209 common sendfile64 sys_sendfile64 compat_sys_sendfile64
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2019-01-01 08:13:32 +08:00
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210 32 futex sys_futex_time32
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210 64 futex sys_futex
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2018-09-09 09:52:50 +08:00
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211 common sched_setaffinity sys_sched_setaffinity compat_sys_sched_setaffinity
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212 common sched_getaffinity sys_sched_getaffinity compat_sys_sched_getaffinity
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# 213 was set_thread_area
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# 214 was get_thread_area
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215 common io_setup sys_io_setup compat_sys_io_setup
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216 common io_destroy sys_io_destroy
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2019-01-01 08:13:32 +08:00
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217 32 io_getevents sys_io_getevents_time32
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217 64 io_getevents sys_io_getevents
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2018-09-09 09:52:50 +08:00
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218 common io_submit sys_io_submit compat_sys_io_submit
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219 common io_cancel sys_io_cancel
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# 220 was alloc_hugepages
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# 221 was free_hugepages
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222 common exit_group sys_exit_group
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223 common lookup_dcookie sys_lookup_dcookie compat_sys_lookup_dcookie
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224 common epoll_create sys_epoll_create
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225 common epoll_ctl sys_epoll_ctl
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226 common epoll_wait sys_epoll_wait
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227 common remap_file_pages sys_remap_file_pages
|
2019-01-01 08:13:32 +08:00
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228 32 semtimedop sys_semtimedop_time32
|
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228 64 semtimedop sys_semtimedop
|
2018-09-09 09:52:50 +08:00
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229 common mq_open sys_mq_open compat_sys_mq_open
|
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230 common mq_unlink sys_mq_unlink
|
2019-01-01 08:13:32 +08:00
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231 32 mq_timedsend sys_mq_timedsend_time32
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231 64 mq_timedsend sys_mq_timedsend
|
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232 32 mq_timedreceive sys_mq_timedreceive_time32
|
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232 64 mq_timedreceive sys_mq_timedreceive
|
2018-09-09 09:52:50 +08:00
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233 common mq_notify sys_mq_notify compat_sys_mq_notify
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234 common mq_getsetattr sys_mq_getsetattr compat_sys_mq_getsetattr
|
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235 common waitid sys_waitid compat_sys_waitid
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236 32 fadvise64_64 parisc_fadvise64_64
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236 64 fadvise64_64 sys_fadvise64_64
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237 common set_tid_address sys_set_tid_address
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238 common setxattr sys_setxattr
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239 common lsetxattr sys_lsetxattr
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240 common fsetxattr sys_fsetxattr
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241 common getxattr sys_getxattr
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242 common lgetxattr sys_lgetxattr
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243 common fgetxattr sys_fgetxattr
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244 common listxattr sys_listxattr
|
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245 common llistxattr sys_llistxattr
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246 common flistxattr sys_flistxattr
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247 common removexattr sys_removexattr
|
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248 common lremovexattr sys_lremovexattr
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249 common fremovexattr sys_fremovexattr
|
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250 common timer_create sys_timer_create compat_sys_timer_create
|
2019-01-01 08:13:32 +08:00
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251 32 timer_settime sys_timer_settime32
|
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251 64 timer_settime sys_timer_settime
|
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252 32 timer_gettime sys_timer_gettime32
|
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252 64 timer_gettime sys_timer_gettime
|
2018-09-09 09:52:50 +08:00
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253 common timer_getoverrun sys_timer_getoverrun
|
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254 common timer_delete sys_timer_delete
|
2019-01-01 08:13:32 +08:00
|
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255 32 clock_settime sys_clock_settime32
|
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255 64 clock_settime sys_clock_settime
|
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256 32 clock_gettime sys_clock_gettime32
|
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|
256 64 clock_gettime sys_clock_gettime
|
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257 32 clock_getres sys_clock_getres_time32
|
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257 64 clock_getres sys_clock_getres
|
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258 32 clock_nanosleep sys_clock_nanosleep_time32
|
|
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|
258 64 clock_nanosleep sys_clock_nanosleep
|
2018-09-09 09:52:50 +08:00
|
|
|
259 common tgkill sys_tgkill
|
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|
|
260 common mbind sys_mbind compat_sys_mbind
|
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|
261 common get_mempolicy sys_get_mempolicy compat_sys_get_mempolicy
|
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262 common set_mempolicy sys_set_mempolicy compat_sys_set_mempolicy
|
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|
# 263 was vserver
|
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264 common add_key sys_add_key
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265 common request_key sys_request_key
|
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266 common keyctl sys_keyctl compat_sys_keyctl
|
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|
267 common ioprio_set sys_ioprio_set
|
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|
268 common ioprio_get sys_ioprio_get
|
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269 common inotify_init sys_inotify_init
|
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270 common inotify_add_watch sys_inotify_add_watch
|
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271 common inotify_rm_watch sys_inotify_rm_watch
|
|
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|
272 common migrate_pages sys_migrate_pages
|
2019-01-01 08:13:32 +08:00
|
|
|
273 32 pselect6 sys_pselect6_time32 compat_sys_pselect6_time32
|
|
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|
273 64 pselect6 sys_pselect6
|
|
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|
|
274 32 ppoll sys_ppoll_time32 compat_sys_ppoll_time32
|
|
|
|
|
274 64 ppoll sys_ppoll
|
2018-09-09 09:52:50 +08:00
|
|
|
275 common openat sys_openat compat_sys_openat
|
|
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|
|
276 common mkdirat sys_mkdirat
|
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|
277 common mknodat sys_mknodat
|
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|
|
278 common fchownat sys_fchownat
|
y2038: rename old time and utime syscalls
The time, stime, utime, utimes, and futimesat system calls are only
used on older architectures, and we do not provide y2038 safe variants
of them, as they are replaced by clock_gettime64, clock_settime64,
and utimensat_time64.
However, for consistency it seems better to have the 32-bit architectures
that still use them call the "time32" entry points (leaving the
traditional handlers for the 64-bit architectures), like we do for system
calls that now require two versions.
Note: We used to always define __ARCH_WANT_SYS_TIME and
__ARCH_WANT_SYS_UTIME and only set __ARCH_WANT_COMPAT_SYS_TIME and
__ARCH_WANT_SYS_UTIME32 for compat mode on 64-bit kernels. Now this is
reversed: only 64-bit architectures set __ARCH_WANT_SYS_TIME/UTIME, while
we need __ARCH_WANT_SYS_TIME32/UTIME32 for 32-bit architectures and compat
mode. The resulting asm/unistd.h changes look a bit counterintuitive.
This is only a cleanup patch and it should not change any behavior.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
2019-01-07 06:45:29 +08:00
|
|
|
279 32 futimesat sys_futimesat_time32
|
|
|
|
|
279 64 futimesat sys_futimesat
|
2018-09-09 09:52:50 +08:00
|
|
|
280 common fstatat64 sys_fstatat64
|
|
|
|
|
281 common unlinkat sys_unlinkat
|
|
|
|
|
282 common renameat sys_renameat
|
|
|
|
|
283 common linkat sys_linkat
|
|
|
|
|
284 common symlinkat sys_symlinkat
|
|
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|
|
285 common readlinkat sys_readlinkat
|
|
|
|
|
286 common fchmodat sys_fchmodat
|
|
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|
|
287 common faccessat sys_faccessat
|
|
|
|
|
288 common unshare sys_unshare
|
|
|
|
|
289 common set_robust_list sys_set_robust_list compat_sys_set_robust_list
|
|
|
|
|
290 common get_robust_list sys_get_robust_list compat_sys_get_robust_list
|
|
|
|
|
291 common splice sys_splice
|
|
|
|
|
292 32 sync_file_range parisc_sync_file_range
|
|
|
|
|
292 64 sync_file_range sys_sync_file_range
|
|
|
|
|
293 common tee sys_tee
|
|
|
|
|
294 common vmsplice sys_vmsplice compat_sys_vmsplice
|
|
|
|
|
295 common move_pages sys_move_pages compat_sys_move_pages
|
|
|
|
|
296 common getcpu sys_getcpu
|
|
|
|
|
297 common epoll_pwait sys_epoll_pwait compat_sys_epoll_pwait
|
|
|
|
|
298 common statfs64 sys_statfs64 compat_sys_statfs64
|
|
|
|
|
299 common fstatfs64 sys_fstatfs64 compat_sys_fstatfs64
|
|
|
|
|
300 common kexec_load sys_kexec_load compat_sys_kexec_load
|
2019-01-01 08:13:32 +08:00
|
|
|
301 32 utimensat sys_utimensat_time32
|
|
|
|
|
301 64 utimensat sys_utimensat
|
2018-09-09 09:52:50 +08:00
|
|
|
302 common signalfd sys_signalfd compat_sys_signalfd
|
|
|
|
|
# 303 was timerfd
|
|
|
|
|
304 common eventfd sys_eventfd
|
|
|
|
|
305 32 fallocate parisc_fallocate
|
|
|
|
|
305 64 fallocate sys_fallocate
|
|
|
|
|
306 common timerfd_create sys_timerfd_create
|
2019-01-01 08:13:32 +08:00
|
|
|
307 32 timerfd_settime sys_timerfd_settime32
|
|
|
|
|
307 64 timerfd_settime sys_timerfd_settime
|
|
|
|
|
308 32 timerfd_gettime sys_timerfd_gettime32
|
|
|
|
|
308 64 timerfd_gettime sys_timerfd_gettime
|
2018-09-09 09:52:50 +08:00
|
|
|
309 common signalfd4 sys_signalfd4 compat_sys_signalfd4
|
|
|
|
|
310 common eventfd2 sys_eventfd2
|
|
|
|
|
311 common epoll_create1 sys_epoll_create1
|
|
|
|
|
312 common dup3 sys_dup3
|
|
|
|
|
313 common pipe2 sys_pipe2
|
|
|
|
|
314 common inotify_init1 sys_inotify_init1
|
|
|
|
|
315 common preadv sys_preadv compat_sys_preadv
|
|
|
|
|
316 common pwritev sys_pwritev compat_sys_pwritev
|
|
|
|
|
317 common rt_tgsigqueueinfo sys_rt_tgsigqueueinfo compat_sys_rt_tgsigqueueinfo
|
|
|
|
|
318 common perf_event_open sys_perf_event_open
|
2019-01-01 08:13:32 +08:00
|
|
|
319 32 recvmmsg sys_recvmmsg_time32 compat_sys_recvmmsg_time32
|
|
|
|
|
319 64 recvmmsg sys_recvmmsg
|
2018-09-09 09:52:50 +08:00
|
|
|
320 common accept4 sys_accept4
|
|
|
|
|
321 common prlimit64 sys_prlimit64
|
|
|
|
|
322 common fanotify_init sys_fanotify_init
|
|
|
|
|
323 common fanotify_mark sys_fanotify_mark sys32_fanotify_mark
|
2019-01-01 08:13:32 +08:00
|
|
|
324 32 clock_adjtime sys_clock_adjtime32
|
|
|
|
|
324 64 clock_adjtime sys_clock_adjtime
|
2018-09-09 09:52:50 +08:00
|
|
|
325 common name_to_handle_at sys_name_to_handle_at
|
|
|
|
|
326 common open_by_handle_at sys_open_by_handle_at compat_sys_open_by_handle_at
|
|
|
|
|
327 common syncfs sys_syncfs
|
|
|
|
|
328 common setns sys_setns
|
|
|
|
|
329 common sendmmsg sys_sendmmsg compat_sys_sendmmsg
|
|
|
|
|
330 common process_vm_readv sys_process_vm_readv compat_sys_process_vm_readv
|
|
|
|
|
331 common process_vm_writev sys_process_vm_writev compat_sys_process_vm_writev
|
|
|
|
|
332 common kcmp sys_kcmp
|
|
|
|
|
333 common finit_module sys_finit_module
|
|
|
|
|
334 common sched_setattr sys_sched_setattr
|
|
|
|
|
335 common sched_getattr sys_sched_getattr
|
y2038: rename old time and utime syscalls
The time, stime, utime, utimes, and futimesat system calls are only
used on older architectures, and we do not provide y2038 safe variants
of them, as they are replaced by clock_gettime64, clock_settime64,
and utimensat_time64.
However, for consistency it seems better to have the 32-bit architectures
that still use them call the "time32" entry points (leaving the
traditional handlers for the 64-bit architectures), like we do for system
calls that now require two versions.
Note: We used to always define __ARCH_WANT_SYS_TIME and
__ARCH_WANT_SYS_UTIME and only set __ARCH_WANT_COMPAT_SYS_TIME and
__ARCH_WANT_SYS_UTIME32 for compat mode on 64-bit kernels. Now this is
reversed: only 64-bit architectures set __ARCH_WANT_SYS_TIME/UTIME, while
we need __ARCH_WANT_SYS_TIME32/UTIME32 for 32-bit architectures and compat
mode. The resulting asm/unistd.h changes look a bit counterintuitive.
This is only a cleanup patch and it should not change any behavior.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
2019-01-07 06:45:29 +08:00
|
|
|
336 32 utimes sys_utimes_time32
|
|
|
|
|
336 64 utimes sys_utimes
|
2018-09-09 09:52:50 +08:00
|
|
|
337 common renameat2 sys_renameat2
|
|
|
|
|
338 common seccomp sys_seccomp
|
|
|
|
|
339 common getrandom sys_getrandom
|
|
|
|
|
340 common memfd_create sys_memfd_create
|
|
|
|
|
341 common bpf sys_bpf
|
|
|
|
|
342 common execveat sys_execveat compat_sys_execveat
|
|
|
|
|
343 common membarrier sys_membarrier
|
|
|
|
|
344 common userfaultfd sys_userfaultfd
|
|
|
|
|
345 common mlock2 sys_mlock2
|
|
|
|
|
346 common copy_file_range sys_copy_file_range
|
|
|
|
|
347 common preadv2 sys_preadv2 compat_sys_preadv2
|
|
|
|
|
348 common pwritev2 sys_pwritev2 compat_sys_pwritev2
|
|
|
|
|
349 common statx sys_statx
|
2019-01-01 08:13:32 +08:00
|
|
|
350 32 io_pgetevents sys_io_pgetevents_time32 compat_sys_io_pgetevents
|
|
|
|
|
350 64 io_pgetevents sys_io_pgetevents
|
2019-01-01 06:12:32 +08:00
|
|
|
351 common pkey_mprotect sys_pkey_mprotect
|
|
|
|
|
352 common pkey_alloc sys_pkey_alloc
|
|
|
|
|
353 common pkey_free sys_pkey_free
|
|
|
|
|
354 common rseq sys_rseq
|
2019-09-08 17:33:05 +08:00
|
|
|
355 common kexec_file_load sys_kexec_file_load sys_kexec_file_load
|
|
|
|
|
# up to 402 is unassigned and reserved for arch specific syscalls
|
2019-01-10 19:45:11 +08:00
|
|
|
403 32 clock_gettime64 sys_clock_gettime sys_clock_gettime
|
|
|
|
|
404 32 clock_settime64 sys_clock_settime sys_clock_settime
|
|
|
|
|
405 32 clock_adjtime64 sys_clock_adjtime sys_clock_adjtime
|
|
|
|
|
406 32 clock_getres_time64 sys_clock_getres sys_clock_getres
|
|
|
|
|
407 32 clock_nanosleep_time64 sys_clock_nanosleep sys_clock_nanosleep
|
|
|
|
|
408 32 timer_gettime64 sys_timer_gettime sys_timer_gettime
|
|
|
|
|
409 32 timer_settime64 sys_timer_settime sys_timer_settime
|
|
|
|
|
410 32 timerfd_gettime64 sys_timerfd_gettime sys_timerfd_gettime
|
|
|
|
|
411 32 timerfd_settime64 sys_timerfd_settime sys_timerfd_settime
|
|
|
|
|
412 32 utimensat_time64 sys_utimensat sys_utimensat
|
|
|
|
|
413 32 pselect6_time64 sys_pselect6 compat_sys_pselect6_time64
|
|
|
|
|
414 32 ppoll_time64 sys_ppoll compat_sys_ppoll_time64
|
|
|
|
|
416 32 io_pgetevents_time64 sys_io_pgetevents sys_io_pgetevents
|
|
|
|
|
417 32 recvmmsg_time64 sys_recvmmsg compat_sys_recvmmsg_time64
|
|
|
|
|
418 32 mq_timedsend_time64 sys_mq_timedsend sys_mq_timedsend
|
|
|
|
|
419 32 mq_timedreceive_time64 sys_mq_timedreceive sys_mq_timedreceive
|
|
|
|
|
420 32 semtimedop_time64 sys_semtimedop sys_semtimedop
|
|
|
|
|
421 32 rt_sigtimedwait_time64 sys_rt_sigtimedwait compat_sys_rt_sigtimedwait_time64
|
|
|
|
|
422 32 futex_time64 sys_futex sys_futex
|
|
|
|
|
423 32 sched_rr_get_interval_time64 sys_sched_rr_get_interval sys_sched_rr_get_interval
|
2019-02-28 20:59:19 +08:00
|
|
|
424 common pidfd_send_signal sys_pidfd_send_signal
|
|
|
|
|
425 common io_uring_setup sys_io_uring_setup
|
|
|
|
|
426 common io_uring_enter sys_io_uring_enter
|
|
|
|
|
427 common io_uring_register sys_io_uring_register
|
2019-05-16 19:52:34 +08:00
|
|
|
428 common open_tree sys_open_tree
|
|
|
|
|
429 common move_mount sys_move_mount
|
|
|
|
|
430 common fsopen sys_fsopen
|
|
|
|
|
431 common fsconfig sys_fsconfig
|
|
|
|
|
432 common fsmount sys_fsmount
|
|
|
|
|
433 common fspick sys_fspick
|
2019-05-24 18:44:59 +08:00
|
|
|
434 common pidfd_open sys_pidfd_open
|
2019-07-16 04:33:26 +08:00
|
|
|
435 common clone3 sys_clone3_wrapper
|
2019-05-24 17:31:44 +08:00
|
|
|
436 common close_range sys_close_range
|
open: introduce openat2(2) syscall
/* Background. */
For a very long time, extending openat(2) with new features has been
incredibly frustrating. This stems from the fact that openat(2) is
possibly the most famous counter-example to the mantra "don't silently
accept garbage from userspace" -- it doesn't check whether unknown flags
are present[1].
This means that (generally) the addition of new flags to openat(2) has
been fraught with backwards-compatibility issues (O_TMPFILE has to be
defined as __O_TMPFILE|O_DIRECTORY|[O_RDWR or O_WRONLY] to ensure old
kernels gave errors, since it's insecure to silently ignore the
flag[2]). All new security-related flags therefore have a tough road to
being added to openat(2).
Userspace also has a hard time figuring out whether a particular flag is
supported on a particular kernel. While it is now possible with
contemporary kernels (thanks to [3]), older kernels will expose unknown
flag bits through fcntl(F_GETFL). Giving a clear -EINVAL during
openat(2) time matches modern syscall designs and is far more
fool-proof.
In addition, the newly-added path resolution restriction LOOKUP flags
(which we would like to expose to user-space) don't feel related to the
pre-existing O_* flag set -- they affect all components of path lookup.
We'd therefore like to add a new flag argument.
Adding a new syscall allows us to finally fix the flag-ignoring problem,
and we can make it extensible enough so that we will hopefully never
need an openat3(2).
/* Syscall Prototype. */
/*
* open_how is an extensible structure (similar in interface to
* clone3(2) or sched_setattr(2)). The size parameter must be set to
* sizeof(struct open_how), to allow for future extensions. All future
* extensions will be appended to open_how, with their zero value
* acting as a no-op default.
*/
struct open_how { /* ... */ };
int openat2(int dfd, const char *pathname,
struct open_how *how, size_t size);
/* Description. */
The initial version of 'struct open_how' contains the following fields:
flags
Used to specify openat(2)-style flags. However, any unknown flag
bits or otherwise incorrect flag combinations (like O_PATH|O_RDWR)
will result in -EINVAL. In addition, this field is 64-bits wide to
allow for more O_ flags than currently permitted with openat(2).
mode
The file mode for O_CREAT or O_TMPFILE.
Must be set to zero if flags does not contain O_CREAT or O_TMPFILE.
resolve
Restrict path resolution (in contrast to O_* flags they affect all
path components). The current set of flags are as follows (at the
moment, all of the RESOLVE_ flags are implemented as just passing
the corresponding LOOKUP_ flag).
RESOLVE_NO_XDEV => LOOKUP_NO_XDEV
RESOLVE_NO_SYMLINKS => LOOKUP_NO_SYMLINKS
RESOLVE_NO_MAGICLINKS => LOOKUP_NO_MAGICLINKS
RESOLVE_BENEATH => LOOKUP_BENEATH
RESOLVE_IN_ROOT => LOOKUP_IN_ROOT
open_how does not contain an embedded size field, because it is of
little benefit (userspace can figure out the kernel open_how size at
runtime fairly easily without it). It also only contains u64s (even
though ->mode arguably should be a u16) to avoid having padding fields
which are never used in the future.
Note that as a result of the new how->flags handling, O_PATH|O_TMPFILE
is no longer permitted for openat(2). As far as I can tell, this has
always been a bug and appears to not be used by userspace (and I've not
seen any problems on my machines by disallowing it). If it turns out
this breaks something, we can special-case it and only permit it for
openat(2) but not openat2(2).
After input from Florian Weimer, the new open_how and flag definitions
are inside a separate header from uapi/linux/fcntl.h, to avoid problems
that glibc has with importing that header.
/* Testing. */
In a follow-up patch there are over 200 selftests which ensure that this
syscall has the correct semantics and will correctly handle several
attack scenarios.
In addition, I've written a userspace library[4] which provides
convenient wrappers around openat2(RESOLVE_IN_ROOT) (this is necessary
because no other syscalls support RESOLVE_IN_ROOT, and thus lots of care
must be taken when using RESOLVE_IN_ROOT'd file descriptors with other
syscalls). During the development of this patch, I've run numerous
verification tests using libpathrs (showing that the API is reasonably
usable by userspace).
/* Future Work. */
Additional RESOLVE_ flags have been suggested during the review period.
These can be easily implemented separately (such as blocking auto-mount
during resolution).
Furthermore, there are some other proposed changes to the openat(2)
interface (the most obvious example is magic-link hardening[5]) which
would be a good opportunity to add a way for userspace to restrict how
O_PATH file descriptors can be re-opened.
Another possible avenue of future work would be some kind of
CHECK_FIELDS[6] flag which causes the kernel to indicate to userspace
which openat2(2) flags and fields are supported by the current kernel
(to avoid userspace having to go through several guesses to figure it
out).
[1]: https://lwn.net/Articles/588444/
[2]: https://lore.kernel.org/lkml/CA+55aFyyxJL1LyXZeBsf2ypriraj5ut1XkNDsunRBqgVjZU_6Q@mail.gmail.com
[3]: commit 629e014bb834 ("fs: completely ignore unknown open flags")
[4]: https://sourceware.org/bugzilla/show_bug.cgi?id=17523
[5]: https://lore.kernel.org/lkml/20190930183316.10190-2-cyphar@cyphar.com/
[6]: https://youtu.be/ggD-eb3yPVs
Suggested-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Aleksa Sarai <cyphar@cyphar.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2020-01-18 20:07:59 +08:00
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437 common openat2 sys_openat2
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2020-01-08 01:59:26 +08:00
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438 common pidfd_getfd sys_pidfd_getfd
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2020-05-14 22:44:25 +08:00
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439 common faccessat2 sys_faccessat2
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