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Commit 46e12c07 authored by Ralf Baechle's avatar Ralf Baechle
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MIPS: O32 / 32-bit: Always copy 4 stack arguments. 

This gets us rid of the hard to maintain table of the number of syscall
arguments and paves the way for further restructuring of the syscall
code.
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 19e2e172
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Showing with 401 additions and 433 deletions
arch/mips/kernel/ftrace.c
View file @ 46e12c07
...@@ -383,7 +383,7 @@ unsigned long __init arch_syscall_addr(int nr) ...@@ -383,7 +383,7 @@ unsigned long __init arch_syscall_addr(int nr)
{ {
#ifdef CONFIG_MIPS32_N32 #ifdef CONFIG_MIPS32_N32
if (nr >= __NR_N32_Linux && nr <= __NR_N32_Linux + __NR_N32_Linux_syscalls) if (nr >= __NR_N32_Linux && nr <= __NR_N32_Linux + __NR_N32_Linux_syscalls)
return (unsigned long)sysn32_call_table[(nr - __NR_N32_Linux) * 2]; return (unsigned long)sysn32_call_table[nr - __NR_N32_Linux];
#endif #endif
if (nr >= __NR_64_Linux && nr <= __NR_64_Linux + __NR_64_Linux_syscalls) if (nr >= __NR_64_Linux && nr <= __NR_64_Linux + __NR_64_Linux_syscalls)
return (unsigned long)sys_call_table[nr - __NR_64_Linux]; return (unsigned long)sys_call_table[nr - __NR_64_Linux];
......
arch/mips/kernel/scall32-o32.S
View file @ 46e12c07
...@@ -40,17 +40,58 @@ NESTED(handle_sys, PT_SIZE, sp) ...@@ -40,17 +40,58 @@ NESTED(handle_sys, PT_SIZE, sp)
sw t1, PT_EPC(sp) sw t1, PT_EPC(sp)
beqz t0, illegal_syscall beqz t0, illegal_syscall
sll t0, v0, 3 sll t0, v0, 2
la t1, sys_call_table la t1, sys_call_table
addu t1, t0 addu t1, t0
lw t2, (t1) # syscall routine lw t2, (t1) # syscall routine
lw t3, 4(t1) # >= 0 if we need stack arguments
beqz t2, illegal_syscall beqz t2, illegal_syscall
sw a3, PT_R26(sp) # save a3 for syscall restarting sw a3, PT_R26(sp) # save a3 for syscall restarting
bgez t3, stackargs
stack_done: /*
* More than four arguments. Try to deal with it by copying the
* stack arguments from the user stack to the kernel stack.
* This Sucks (TM).
*/
lw t0, PT_R29(sp) # get old user stack pointer
/*
* We intentionally keep the kernel stack a little below the top of
* userspace so we don't have to do a slower byte accurate check here.
*/
lw t5, TI_ADDR_LIMIT($28)
addu t4, t0, 32
and t5, t4
bltz t5, bad_stack # -> sp is bad
/*
* Ok, copy the args from the luser stack to the kernel stack.
* t3 is the precomputed number of instruction bytes needed to
* load or store arguments 6-8.
*/
.set push
.set noreorder
.set nomacro
1: lw t5, 16(t0) # argument #5 from usp
4: lw t6, 20(t0) # argument #6 from usp
3: lw t7, 24(t0) # argument #7 from usp
2: lw t8, 28(t0) # argument #8 from usp
sw t5, 16(sp) # argument #5 to ksp
sw t6, 20(sp) # argument #6 to ksp
sw t7, 24(sp) # argument #7 to ksp
sw t8, 28(sp) # argument #8 to ksp
.set pop
.section __ex_table,"a"
PTR 1b,bad_stack
PTR 2b,bad_stack
PTR 3b,bad_stack
PTR 4b,bad_stack
.previous
lw t0, TI_FLAGS($28) # syscall tracing enabled? lw t0, TI_FLAGS($28) # syscall tracing enabled?
li t1, _TIF_WORK_SYSCALL_ENTRY li t1, _TIF_WORK_SYSCALL_ENTRY
and t0, t1 and t0, t1
...@@ -101,66 +142,6 @@ syscall_trace_entry: ...@@ -101,66 +142,6 @@ syscall_trace_entry:
/* ------------------------------------------------------------------------ */ /* ------------------------------------------------------------------------ */
/*
* More than four arguments. Try to deal with it by copying the
* stack arguments from the user stack to the kernel stack.
* This Sucks (TM).
*/
stackargs:
lw t0, PT_R29(sp) # get old user stack pointer
/*
* We intentionally keep the kernel stack a little below the top of
* userspace so we don't have to do a slower byte accurate check here.
*/
lw t5, TI_ADDR_LIMIT($28)
addu t4, t0, 32
and t5, t4
bltz t5, bad_stack # -> sp is bad
/* Ok, copy the args from the luser stack to the kernel stack.
* t3 is the precomputed number of instruction bytes needed to
* load or store arguments 6-8.
*/
la t1, 5f # load up to 3 arguments
subu t1, t3
1: lw t5, 16(t0) # argument #5 from usp
.set push
.set noreorder
.set nomacro
jr t1
addiu t1, 6f - 5f
2: lw t8, 28(t0) # argument #8 from usp
3: lw t7, 24(t0) # argument #7 from usp
4: lw t6, 20(t0) # argument #6 from usp
5: jr t1
sw t5, 16(sp) # argument #5 to ksp
#ifdef CONFIG_CPU_MICROMIPS
sw t8, 28(sp) # argument #8 to ksp
nop
sw t7, 24(sp) # argument #7 to ksp
nop
sw t6, 20(sp) # argument #6 to ksp
nop
#else
sw t8, 28(sp) # argument #8 to ksp
sw t7, 24(sp) # argument #7 to ksp
sw t6, 20(sp) # argument #6 to ksp
#endif
6: j stack_done # go back
nop
.set pop
.section __ex_table,"a"
PTR 1b,bad_stack
PTR 2b,bad_stack
PTR 3b,bad_stack
PTR 4b,bad_stack
.previous
/* /*
* The stackpointer for a call with more than 4 arguments is bad. * The stackpointer for a call with more than 4 arguments is bad.
* We probably should handle this case a bit more drastic. * We probably should handle this case a bit more drastic.
...@@ -187,7 +168,7 @@ illegal_syscall: ...@@ -187,7 +168,7 @@ illegal_syscall:
subu t0, a0, __NR_O32_Linux # check syscall number subu t0, a0, __NR_O32_Linux # check syscall number
sltiu v0, t0, __NR_O32_Linux_syscalls + 1 sltiu v0, t0, __NR_O32_Linux_syscalls + 1
beqz t0, einval # do not recurse beqz t0, einval # do not recurse
sll t1, t0, 3 sll t1, t0, 2
beqz v0, einval beqz v0, einval
lw t2, sys_call_table(t1) # syscall routine lw t2, sys_call_table(t1) # syscall routine
...@@ -218,246 +199,248 @@ einval: li v0, -ENOSYS ...@@ -218,246 +199,248 @@ einval: li v0, -ENOSYS
jr ra jr ra
END(sys_syscall) END(sys_syscall)
.macro syscalltable .align 2
sys sys_syscall 8 /* 4000 */ .type sys_call_table, @object
sys sys_exit 1 EXPORT(sys_call_table)
sys __sys_fork 0 PTR sys_syscall /* 4000 */
sys sys_read 3 PTR sys_exit
sys sys_write 3 PTR __sys_fork
sys sys_open 3 /* 4005 */ PTR sys_read
sys sys_close 1 PTR sys_write
sys sys_waitpid 3 PTR sys_open /* 4005 */
sys sys_creat 2 PTR sys_close
sys sys_link 2 PTR sys_waitpid
sys sys_unlink 1 /* 4010 */ PTR sys_creat
sys sys_execve 0 PTR sys_link
sys sys_chdir 1 PTR sys_unlink /* 4010 */
sys sys_time 1 PTR sys_execve
sys sys_mknod 3 PTR sys_chdir
sys sys_chmod 2 /* 4015 */ PTR sys_time
sys sys_lchown 3 PTR sys_mknod
sys sys_ni_syscall 0 PTR sys_chmod /* 4015 */
sys sys_ni_syscall 0 /* was sys_stat */ PTR sys_lchown
sys sys_lseek 3 PTR sys_ni_syscall
sys sys_getpid 0 /* 4020 */ PTR sys_ni_syscall /* was sys_stat */
sys sys_mount 5 PTR sys_lseek
sys sys_oldumount 1 PTR sys_getpid /* 4020 */
sys sys_setuid 1 PTR sys_mount
sys sys_getuid 0 PTR sys_oldumount
sys sys_stime 1 /* 4025 */ PTR sys_setuid
sys sys_ptrace 4 PTR sys_getuid
sys sys_alarm 1 PTR sys_stime /* 4025 */
sys sys_ni_syscall 0 /* was sys_fstat */ PTR sys_ptrace
sys sys_pause 0 PTR sys_alarm
sys sys_utime 2 /* 4030 */ PTR sys_ni_syscall /* was sys_fstat */
sys sys_ni_syscall 0 PTR sys_pause
sys sys_ni_syscall 0 PTR sys_utime /* 4030 */
sys sys_access 2 PTR sys_ni_syscall
sys sys_nice 1 PTR sys_ni_syscall
sys sys_ni_syscall 0 /* 4035 */ PTR sys_access
sys sys_sync 0 PTR sys_nice
sys sys_kill 2 PTR sys_ni_syscall /* 4035 */
sys sys_rename 2 PTR sys_sync
sys sys_mkdir 2 PTR sys_kill
sys sys_rmdir 1 /* 4040 */ PTR sys_rename
sys sys_dup 1 PTR sys_mkdir
sys sysm_pipe 0 PTR sys_rmdir /* 4040 */
sys sys_times 1 PTR sys_dup
sys sys_ni_syscall 0 PTR sysm_pipe
sys sys_brk 1 /* 4045 */ PTR sys_times
sys sys_setgid 1 PTR sys_ni_syscall
sys sys_getgid 0 PTR sys_brk /* 4045 */
sys sys_ni_syscall 0 /* was signal(2) */ PTR sys_setgid
sys sys_geteuid 0 PTR sys_getgid
sys sys_getegid 0 /* 4050 */ PTR sys_ni_syscall /* was signal(2) */
sys sys_acct 1 PTR sys_geteuid
sys sys_umount 2 PTR sys_getegid /* 4050 */
sys sys_ni_syscall 0 PTR sys_acct
sys sys_ioctl 3 PTR sys_umount
sys sys_fcntl 3 /* 4055 */ PTR sys_ni_syscall
sys sys_ni_syscall 2 PTR sys_ioctl
sys sys_setpgid 2 PTR sys_fcntl /* 4055 */
sys sys_ni_syscall 0 PTR sys_ni_syscall
sys sys_olduname 1 PTR sys_setpgid
sys sys_umask 1 /* 4060 */ PTR sys_ni_syscall
sys sys_chroot 1 PTR sys_olduname
sys sys_ustat 2 PTR sys_umask /* 4060 */
sys sys_dup2 2 PTR sys_chroot
sys sys_getppid 0 PTR sys_ustat
sys sys_getpgrp 0 /* 4065 */ PTR sys_dup2
sys sys_setsid 0 PTR sys_getppid
sys sys_sigaction 3 PTR sys_getpgrp /* 4065 */
sys sys_sgetmask 0 PTR sys_setsid
sys sys_ssetmask 1 PTR sys_sigaction
sys sys_setreuid 2 /* 4070 */ PTR sys_sgetmask
sys sys_setregid 2 PTR sys_ssetmask
sys sys_sigsuspend 0 PTR sys_setreuid /* 4070 */
sys sys_sigpending 1 PTR sys_setregid
sys sys_sethostname 2 PTR sys_sigsuspend
sys sys_setrlimit 2 /* 4075 */ PTR sys_sigpending
sys sys_getrlimit 2 PTR sys_sethostname
sys sys_getrusage 2 PTR sys_setrlimit /* 4075 */
sys sys_gettimeofday 2 PTR sys_getrlimit
sys sys_settimeofday 2 PTR sys_getrusage
sys sys_getgroups 2 /* 4080 */ PTR sys_gettimeofday
sys sys_setgroups 2 PTR sys_settimeofday
sys sys_ni_syscall 0 /* old_select */ PTR sys_getgroups /* 4080 */
sys sys_symlink 2 PTR sys_setgroups
sys sys_ni_syscall 0 /* was sys_lstat */ PTR sys_ni_syscall /* old_select */
sys sys_readlink 3 /* 4085 */ PTR sys_symlink
sys sys_uselib 1 PTR sys_ni_syscall /* was sys_lstat */
sys sys_swapon 2 PTR sys_readlink /* 4085 */
sys sys_reboot 3 PTR sys_uselib
sys sys_old_readdir 3 PTR sys_swapon
sys sys_mips_mmap 6 /* 4090 */ PTR sys_reboot
sys sys_munmap 2 PTR sys_old_readdir
sys sys_truncate 2 PTR sys_mips_mmap /* 4090 */
sys sys_ftruncate 2 PTR sys_munmap
sys sys_fchmod 2 PTR sys_truncate
sys sys_fchown 3 /* 4095 */ PTR sys_ftruncate
sys sys_getpriority 2 PTR sys_fchmod
sys sys_setpriority 3 PTR sys_fchown /* 4095 */
sys sys_ni_syscall 0 PTR sys_getpriority
sys sys_statfs 2 PTR sys_setpriority
sys sys_fstatfs 2 /* 4100 */ PTR sys_ni_syscall
sys sys_ni_syscall 0 /* was ioperm(2) */ PTR sys_statfs
sys sys_socketcall 2 PTR sys_fstatfs /* 4100 */
sys sys_syslog 3 PTR sys_ni_syscall /* was ioperm(2) */
sys sys_setitimer 3 PTR sys_socketcall
sys sys_getitimer 2 /* 4105 */ PTR sys_syslog
sys sys_newstat 2 PTR sys_setitimer
sys sys_newlstat 2 PTR sys_getitimer /* 4105 */
sys sys_newfstat 2 PTR sys_newstat
sys sys_uname 1 PTR sys_newlstat
sys sys_ni_syscall 0 /* 4110 was iopl(2) */ PTR sys_newfstat
sys sys_vhangup 0 PTR sys_uname
sys sys_ni_syscall 0 /* was sys_idle() */ PTR sys_ni_syscall /* 4110 was iopl(2) */
sys sys_ni_syscall 0 /* was sys_vm86 */ PTR sys_vhangup
sys sys_wait4 4 PTR sys_ni_syscall /* was sys_idle() */
sys sys_swapoff 1 /* 4115 */ PTR sys_ni_syscall /* was sys_vm86 */
sys sys_sysinfo 1 PTR sys_wait4
sys sys_ipc 6 PTR sys_swapoff /* 4115 */
sys sys_fsync 1 PTR sys_sysinfo
sys sys_sigreturn 0 PTR sys_ipc
sys __sys_clone 6 /* 4120 */ PTR sys_fsync
sys sys_setdomainname 2 PTR sys_sigreturn
sys sys_newuname 1 PTR __sys_clone /* 4120 */
sys sys_ni_syscall 0 /* sys_modify_ldt */ PTR sys_setdomainname
sys sys_adjtimex 1 PTR sys_newuname
sys sys_mprotect 3 /* 4125 */ PTR sys_ni_syscall /* sys_modify_ldt */
sys sys_sigprocmask 3 PTR sys_adjtimex
sys sys_ni_syscall 0 /* was create_module */ PTR sys_mprotect /* 4125 */
sys sys_init_module 5 PTR sys_sigprocmask
sys sys_delete_module 1 PTR sys_ni_syscall /* was create_module */
sys sys_ni_syscall 0 /* 4130 was get_kernel_syms */ PTR sys_init_module
sys sys_quotactl 4 PTR sys_delete_module
sys sys_getpgid 1 PTR sys_ni_syscall /* 4130 was get_kernel_syms */
sys sys_fchdir 1 PTR sys_quotactl
sys sys_bdflush 2 PTR sys_getpgid
sys sys_sysfs 3 /* 4135 */ PTR sys_fchdir
sys sys_personality 1 PTR sys_bdflush
sys sys_ni_syscall 0 /* for afs_syscall */ PTR sys_sysfs /* 4135 */
sys sys_setfsuid 1 PTR sys_personality
sys sys_setfsgid 1 PTR sys_ni_syscall /* for afs_syscall */
sys sys_llseek 5 /* 4140 */ PTR sys_setfsuid
sys sys_getdents 3 PTR sys_setfsgid
sys sys_select 5 PTR sys_llseek /* 4140 */
sys sys_flock 2 PTR sys_getdents
sys sys_msync 3 PTR sys_select
sys sys_readv 3 /* 4145 */ PTR sys_flock
sys sys_writev 3 PTR sys_msync
sys sys_cacheflush 3 PTR sys_readv /* 4145 */
sys sys_cachectl 3 PTR sys_writev
sys sys_sysmips 4 PTR sys_cacheflush
sys sys_ni_syscall 0 /* 4150 */ PTR sys_cachectl
sys sys_getsid 1 PTR sys_sysmips
sys sys_fdatasync 1 PTR sys_ni_syscall /* 4150 */
sys sys_sysctl 1 PTR sys_getsid
sys sys_mlock 2 PTR sys_fdatasync
sys sys_munlock 2 /* 4155 */ PTR sys_sysctl
sys sys_mlockall 1 PTR sys_mlock
sys sys_munlockall 0 PTR sys_munlock /* 4155 */
sys sys_sched_setparam 2 PTR sys_mlockall
sys sys_sched_getparam 2 PTR sys_munlockall
sys sys_sched_setscheduler 3 /* 4160 */ PTR sys_sched_setparam
sys sys_sched_getscheduler 1 PTR sys_sched_getparam
sys sys_sched_yield 0 PTR sys_sched_setscheduler /* 4160 */
sys sys_sched_get_priority_max 1 PTR sys_sched_getscheduler
sys sys_sched_get_priority_min 1 PTR sys_sched_yield
sys sys_sched_rr_get_interval 2 /* 4165 */ PTR sys_sched_get_priority_max
sys sys_nanosleep, 2 PTR sys_sched_get_priority_min
sys sys_mremap, 5 PTR sys_sched_rr_get_interval /* 4165 */
sys sys_accept 3 PTR sys_nanosleep
sys sys_bind 3 PTR sys_mremap
sys sys_connect 3 /* 4170 */ PTR sys_accept
sys sys_getpeername 3 PTR sys_bind
sys sys_getsockname 3 PTR sys_connect /* 4170 */
sys sys_getsockopt 5 PTR sys_getpeername
sys sys_listen 2 PTR sys_getsockname
sys sys_recv 4 /* 4175 */ PTR sys_getsockopt
sys sys_recvfrom 6 PTR sys_listen
sys sys_recvmsg 3 PTR sys_recv /* 4175 */
sys sys_send 4 PTR sys_recvfrom
sys sys_sendmsg 3 PTR sys_recvmsg
sys sys_sendto 6 /* 4180 */ PTR sys_send
sys sys_setsockopt 5 PTR sys_sendmsg
sys sys_shutdown 2 PTR sys_sendto /* 4180 */
sys sys_socket 3 PTR sys_setsockopt
sys sys_socketpair 4 PTR sys_shutdown
sys sys_setresuid 3 /* 4185 */ PTR sys_socket
sys sys_getresuid 3 PTR sys_socketpair
sys sys_ni_syscall 0 /* was sys_query_module */ PTR sys_setresuid /* 4185 */
sys sys_poll 3 PTR sys_getresuid
sys sys_ni_syscall 0 /* was nfsservctl */ PTR sys_ni_syscall /* was sys_query_module */
sys sys_setresgid 3 /* 4190 */ PTR sys_poll
sys sys_getresgid 3 PTR sys_ni_syscall /* was nfsservctl */
sys sys_prctl 5 PTR sys_setresgid /* 4190 */
sys sys_rt_sigreturn 0 PTR sys_getresgid
sys sys_rt_sigaction 4 PTR sys_prctl
sys sys_rt_sigprocmask 4 /* 4195 */ PTR sys_rt_sigreturn
sys sys_rt_sigpending 2 PTR sys_rt_sigaction
sys sys_rt_sigtimedwait 4 PTR sys_rt_sigprocmask /* 4195 */
sys sys_rt_sigqueueinfo 3 PTR sys_rt_sigpending
sys sys_rt_sigsuspend 0 PTR sys_rt_sigtimedwait
sys sys_pread64 6 /* 4200 */ PTR sys_rt_sigqueueinfo
sys sys_pwrite64 6 PTR sys_rt_sigsuspend
sys sys_chown 3 PTR sys_pread64 /* 4200 */
sys sys_getcwd 2 PTR sys_pwrite64
sys sys_capget 2 PTR sys_chown
sys sys_capset 2 /* 4205 */ PTR sys_getcwd
sys sys_sigaltstack 0 PTR sys_capget
sys sys_sendfile 4 PTR sys_capset /* 4205 */
sys sys_ni_syscall 0 PTR sys_sigaltstack
sys sys_ni_syscall 0 PTR sys_sendfile
sys sys_mips_mmap2 6 /* 4210 */ PTR sys_ni_syscall
sys sys_truncate64 4 PTR sys_ni_syscall
sys sys_ftruncate64 4 PTR sys_mips_mmap2 /* 4210 */
sys sys_stat64 2 PTR sys_truncate64
sys sys_lstat64 2 PTR sys_ftruncate64
sys sys_fstat64 2 /* 4215 */ PTR sys_stat64
sys sys_pivot_root 2 PTR sys_lstat64
sys sys_mincore 3 PTR sys_fstat64 /* 4215 */
sys sys_madvise 3 PTR sys_pivot_root
sys sys_getdents64 3 PTR sys_mincore
sys sys_fcntl64 3 /* 4220 */ PTR sys_madvise
sys sys_ni_syscall 0 PTR sys_getdents64
sys sys_gettid 0 PTR sys_fcntl64 /* 4220 */
sys sys_readahead 5 PTR sys_ni_syscall
sys sys_setxattr 5 PTR sys_gettid
sys sys_lsetxattr 5 /* 4225 */ PTR sys_readahead
sys sys_fsetxattr 5 PTR sys_setxattr
sys sys_getxattr 4 PTR sys_lsetxattr /* 4225 */
sys sys_lgetxattr 4 PTR sys_fsetxattr
sys sys_fgetxattr 4 PTR sys_getxattr
sys sys_listxattr 3 /* 4230 */ PTR sys_lgetxattr
sys sys_llistxattr 3 PTR sys_fgetxattr
sys sys_flistxattr 3 PTR sys_listxattr /* 4230 */
sys sys_removexattr 2 PTR sys_llistxattr
sys sys_lremovexattr 2 PTR sys_flistxattr
sys sys_fremovexattr 2 /* 4235 */ PTR sys_removexattr
sys sys_tkill 2 PTR sys_lremovexattr
sys sys_sendfile64 5 PTR sys_fremovexattr /* 4235 */
sys sys_futex 6 PTR sys_tkill
PTR sys_sendfile64
PTR sys_futex
#ifdef CONFIG_MIPS_MT_FPAFF #ifdef CONFIG_MIPS_MT_FPAFF
/* /*
* For FPU affinity scheduling on MIPS MT processors, we need to * For FPU affinity scheduling on MIPS MT processors, we need to
...@@ -466,132 +449,117 @@ einval: li v0, -ENOSYS ...@@ -466,132 +449,117 @@ einval: li v0, -ENOSYS
* these hooks for the 32-bit kernel - there is no MIPS64 MT processor * these hooks for the 32-bit kernel - there is no MIPS64 MT processor
* atm. * atm.
*/ */
sys mipsmt_sys_sched_setaffinity 3 PTR mipsmt_sys_sched_setaffinity
sys mipsmt_sys_sched_getaffinity 3 PTR mipsmt_sys_sched_getaffinity
#else #else
sys sys_sched_setaffinity 3 PTR sys_sched_setaffinity
sys sys_sched_getaffinity 3 /* 4240 */ PTR sys_sched_getaffinity /* 4240 */
#endif /* CONFIG_MIPS_MT_FPAFF */ #endif /* CONFIG_MIPS_MT_FPAFF */
sys sys_io_setup 2 PTR sys_io_setup
sys sys_io_destroy 1 PTR sys_io_destroy
sys sys_io_getevents 5 PTR sys_io_getevents
sys sys_io_submit 3 PTR sys_io_submit
sys sys_io_cancel 3 /* 4245 */ PTR sys_io_cancel /* 4245 */
sys sys_exit_group 1 PTR sys_exit_group
sys sys_lookup_dcookie 4 PTR sys_lookup_dcookie
sys sys_epoll_create 1 PTR sys_epoll_create
sys sys_epoll_ctl 4 PTR sys_epoll_ctl
sys sys_epoll_wait 4 /* 4250 */ PTR sys_epoll_wait /* 4250 */
sys sys_remap_file_pages 5 PTR sys_remap_file_pages
sys sys_set_tid_address 1 PTR sys_set_tid_address
sys sys_restart_syscall 0 PTR sys_restart_syscall
sys sys_fadvise64_64 7 PTR sys_fadvise64_64
sys sys_statfs64 3 /* 4255 */ PTR sys_statfs64 /* 4255 */
sys sys_fstatfs64 2 PTR sys_fstatfs64
sys sys_timer_create 3 PTR sys_timer_create
sys sys_timer_settime 4 PTR sys_timer_settime
sys sys_timer_gettime 2 PTR sys_timer_gettime
sys sys_timer_getoverrun 1 /* 4260 */ PTR sys_timer_getoverrun /* 4260 */
sys sys_timer_delete 1 PTR sys_timer_delete
sys sys_clock_settime 2 PTR sys_clock_settime
sys sys_clock_gettime 2 PTR sys_clock_gettime
sys sys_clock_getres 2 PTR sys_clock_getres
sys sys_clock_nanosleep 4 /* 4265 */ PTR sys_clock_nanosleep /* 4265 */
sys sys_tgkill 3 PTR sys_tgkill
sys sys_utimes 2 PTR sys_utimes
sys sys_mbind 4 PTR sys_mbind
sys sys_ni_syscall 0 /* sys_get_mempolicy */ PTR sys_ni_syscall /* sys_get_mempolicy */
sys sys_ni_syscall 0 /* 4270 sys_set_mempolicy */ PTR sys_ni_syscall /* 4270 sys_set_mempolicy */
sys sys_mq_open 4 PTR sys_mq_open
sys sys_mq_unlink 1 PTR sys_mq_unlink
sys sys_mq_timedsend 5 PTR sys_mq_timedsend
sys sys_mq_timedreceive 5 PTR sys_mq_timedreceive
sys sys_mq_notify 2 /* 4275 */ PTR sys_mq_notify /* 4275 */
sys sys_mq_getsetattr 3 PTR sys_mq_getsetattr
sys sys_ni_syscall 0 /* sys_vserver */ PTR sys_ni_syscall /* sys_vserver */
sys sys_waitid 5 PTR sys_waitid
sys sys_ni_syscall 0 /* available, was setaltroot */ PTR sys_ni_syscall /* available, was setaltroot */
sys sys_add_key 5 /* 4280 */ PTR sys_add_key /* 4280 */
sys sys_request_key 4 PTR sys_request_key
sys sys_keyctl 5 PTR sys_keyctl
sys sys_set_thread_area 1 PTR sys_set_thread_area
sys sys_inotify_init 0 PTR sys_inotify_init
sys sys_inotify_add_watch 3 /* 4285 */ PTR sys_inotify_add_watch /* 4285 */
sys sys_inotify_rm_watch 2 PTR sys_inotify_rm_watch
sys sys_migrate_pages 4 PTR sys_migrate_pages
sys sys_openat 4 PTR sys_openat
sys sys_mkdirat 3 PTR sys_mkdirat
sys sys_mknodat 4 /* 4290 */ PTR sys_mknodat /* 4290 */
sys sys_fchownat 5 PTR sys_fchownat
sys sys_futimesat 3 PTR sys_futimesat
sys sys_fstatat64 4 PTR sys_fstatat64
sys sys_unlinkat 3 PTR sys_unlinkat
sys sys_renameat 4 /* 4295 */ PTR sys_renameat /* 4295 */
sys sys_linkat 5 PTR sys_linkat
sys sys_symlinkat 3 PTR sys_symlinkat
sys sys_readlinkat 4 PTR sys_readlinkat
sys sys_fchmodat 3 PTR sys_fchmodat
sys sys_faccessat 3 /* 4300 */ PTR sys_faccessat /* 4300 */
sys sys_pselect6 6 PTR sys_pselect6
sys sys_ppoll 5 PTR sys_ppoll
sys sys_unshare 1 PTR sys_unshare
sys sys_splice 6 PTR sys_splice
sys sys_sync_file_range 7 /* 4305 */ PTR sys_sync_file_range /* 4305 */
sys sys_tee 4 PTR sys_tee
sys sys_vmsplice 4 PTR sys_vmsplice
sys sys_move_pages 6 PTR sys_move_pages
sys sys_set_robust_list 2 PTR sys_set_robust_list
sys sys_get_robust_list 3 /* 4310 */ PTR sys_get_robust_list /* 4310 */
sys sys_kexec_load 4 PTR sys_kexec_load
sys sys_getcpu 3 PTR sys_getcpu
sys sys_epoll_pwait 6 PTR sys_epoll_pwait
sys sys_ioprio_set 3 PTR sys_ioprio_set
sys sys_ioprio_get 2 /* 4315 */ PTR sys_ioprio_get /* 4315 */
sys sys_utimensat 4 PTR sys_utimensat
sys sys_signalfd 3 PTR sys_signalfd
sys sys_ni_syscall 0 /* was timerfd */ PTR sys_ni_syscall /* was timerfd */
sys sys_eventfd 1 PTR sys_eventfd
sys sys_fallocate 6 /* 4320 */ PTR sys_fallocate /* 4320 */
sys sys_timerfd_create 2 PTR sys_timerfd_create
sys sys_timerfd_gettime 2 PTR sys_timerfd_gettime
sys sys_timerfd_settime 4 PTR sys_timerfd_settime
sys sys_signalfd4 4 PTR sys_signalfd4
sys sys_eventfd2 2 /* 4325 */ PTR sys_eventfd2 /* 4325 */
sys sys_epoll_create1 1 PTR sys_epoll_create1
sys sys_dup3 3 PTR sys_dup3
sys sys_pipe2 2 PTR sys_pipe2
sys sys_inotify_init1 1 PTR sys_inotify_init1
sys sys_preadv 6 /* 4330 */ PTR sys_preadv /* 4330 */
sys sys_pwritev 6 PTR sys_pwritev
sys sys_rt_tgsigqueueinfo 4 PTR sys_rt_tgsigqueueinfo
sys sys_perf_event_open 5 PTR sys_perf_event_open
sys sys_accept4 4 PTR sys_accept4
sys sys_recvmmsg 5 /* 4335 */ PTR sys_recvmmsg /* 4335 */
sys sys_fanotify_init 2 PTR sys_fanotify_init
sys sys_fanotify_mark 6 PTR sys_fanotify_mark
sys sys_prlimit64 4 PTR sys_prlimit64
sys sys_name_to_handle_at 5 PTR sys_name_to_handle_at
sys sys_open_by_handle_at 3 /* 4340 */ PTR sys_open_by_handle_at /* 4340 */
sys sys_clock_adjtime 2 PTR sys_clock_adjtime
sys sys_syncfs 1 PTR sys_syncfs
sys sys_sendmmsg 4 PTR sys_sendmmsg
sys sys_setns 2 PTR sys_setns
sys sys_process_vm_readv 6 /* 4345 */ PTR sys_process_vm_readv /* 4345 */
sys sys_process_vm_writev 6 PTR sys_process_vm_writev
sys sys_kcmp 5 PTR sys_kcmp
sys sys_finit_module 3 PTR sys_finit_module
.endm
/* We pre-compute the number of _instruction_ bytes needed to
load or store the arguments 6-8. Negative values are ignored. */
.macro sys function, nargs
PTR \function
LONG (\nargs << 2) - (5 << 2)
.endm
.align 3
.type sys_call_table,@object
EXPORT(sys_call_table)
syscalltable
.size sys_call_table, . - sys_call_table
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