2 * Compatibility mode system call entry point for x86-64.
4 * Copyright 2000-2002 Andi Kleen, SuSE Labs.
7 #include <asm/dwarf2.h>
8 #include <asm/calling.h>
9 #include <asm/asm-offsets.h>
10 #include <asm/current.h>
11 #include <asm/errno.h>
12 #include <asm/ia32_unistd.h>
13 #include <asm/thread_info.h>
14 #include <asm/segment.h>
15 #include <asm/pgtable_types.h>
16 #include <asm/alternative-asm.h>
17 #include <asm/cpufeature.h>
18 #include <asm/kaiser.h>
19 #include <asm/irqflags.h>
20 #include <linux/linkage.h>
22 /* Avoid __ASSEMBLER__'ifying <linux/audit.h> just for this. */
23 #include <linux/elf-em.h>
24 #define AUDIT_ARCH_I386 (EM_386|__AUDIT_ARCH_LE)
25 #define __AUDIT_ARCH_LE 0x40000000
27 #ifndef CONFIG_AUDITSYSCALL
28 #define sysexit_audit ia32_ret_from_sys_call
29 #define sysretl_audit ia32_ret_from_sys_call
32 .section .entry.text, "ax"
34 #define IA32_NR_syscalls ((ia32_syscall_end - ia32_sys_call_table)/8)
36 .macro IA32_ARG_FIXUP noebp=0
44 movl %edx,%edx /* zero extension */
48 .macro CLEAR_RREGS offset=0, _r9=rax
50 movq %rax,\offset+R11(%rsp)
51 movq %rax,\offset+R10(%rsp)
52 movq %\_r9,\offset+R9(%rsp)
53 movq %rax,\offset+R8(%rsp)
57 * Reload arg registers from stack in case ptrace changed them.
58 * We don't reload %eax because syscall_trace_enter() returned
59 * the %rax value we should see. Instead, we just truncate that
60 * value to 32 bits again as we did on entry from user mode.
61 * If it's a new value set by user_regset during entry tracing,
62 * this matches the normal truncation of the user-mode value.
63 * If it's -1 to make us punt the syscall, then (u32)-1 is still
64 * an appropriately invalid value.
66 .macro LOAD_ARGS32 offset, _r9=0
68 movl \offset+16(%rsp),%r9d
70 movl \offset+40(%rsp),%ecx
71 movl \offset+48(%rsp),%edx
72 movl \offset+56(%rsp),%esi
73 movl \offset+64(%rsp),%edi
74 movl %eax,%eax /* zero extension */
77 .macro CFI_STARTPROC32 simple
89 #ifdef CONFIG_PARAVIRT
90 ENTRY(native_usergs_sysret32)
93 ENDPROC(native_usergs_sysret32)
95 ENTRY(native_irq_enable_sysexit)
99 ENDPROC(native_irq_enable_sysexit)
103 * 32bit SYSENTER instruction entry.
106 * %eax System call number.
117 * This is purely a fast path. For anything complicated we use the int 0x80
118 * path below. Set up a complete hardware stack frame to share code
119 * with the int 0x80 path.
121 ENTRY(ia32_sysenter_target)
122 CFI_STARTPROC32 simple
127 SWITCH_KERNEL_CR3_NO_STACK
128 movq PER_CPU_VAR(kernel_stack), %rsp
129 addq $(KERNEL_STACK_OFFSET),%rsp
131 * No need to follow this irqs on/off section: the syscall
132 * disabled irqs, here we enable it straight after entry:
134 ENABLE_INTERRUPTS(CLBR_NONE)
135 movl %ebp,%ebp /* zero extension */
136 pushq_cfi $__USER32_DS
137 /*CFI_REL_OFFSET ss,0*/
141 /*CFI_REL_OFFSET rflags,0*/
142 movl 8*3-THREAD_SIZE+TI_sysenter_return(%rsp), %r10d
144 pushq_cfi $__USER32_CS
145 /*CFI_REL_OFFSET cs,0*/
152 /* no need to do an access_ok check here because rbp has been
153 32bit zero extended */
155 .section __ex_table,"a"
158 GET_THREAD_INFO(%r10)
159 orl $TS_COMPAT,TI_status(%r10)
160 testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r10)
162 jnz sysenter_tracesys
163 cmpq $(IA32_NR_syscalls-1),%rax
168 call *ia32_sys_call_table(,%rax,8)
169 movq %rax,RAX-ARGOFFSET(%rsp)
170 GET_THREAD_INFO(%r10)
171 DISABLE_INTERRUPTS(CLBR_NONE)
173 testl $_TIF_ALLWORK_MASK,TI_flags(%r10)
175 sysexit_from_sys_call:
176 andl $~TS_COMPAT,TI_status(%r10)
177 /* clear IF, that popfq doesn't enable interrupts early */
178 andl $~0x200,EFLAGS-R11(%rsp)
179 movl RIP-R11(%rsp),%edx /* User %eip */
181 RESTORE_ARGS 0,24,0,0,0,0
187 /*CFI_RESTORE rflags*/
188 popq_cfi %rcx /* User %esp */
192 ENABLE_INTERRUPTS_SYSEXIT32
194 #ifdef CONFIG_AUDITSYSCALL
195 .macro auditsys_entry_common
196 movl %esi,%r9d /* 6th arg: 4th syscall arg */
197 movl %edx,%r8d /* 5th arg: 3rd syscall arg */
198 /* (already in %ecx) 4th arg: 2nd syscall arg */
199 movl %ebx,%edx /* 3rd arg: 1st syscall arg */
200 movl %eax,%esi /* 2nd arg: syscall number */
201 movl $AUDIT_ARCH_I386,%edi /* 1st arg: audit arch */
202 call audit_syscall_entry
203 movl RAX-ARGOFFSET(%rsp),%eax /* reload syscall number */
204 cmpq $(IA32_NR_syscalls-1),%rax
206 movl %ebx,%edi /* reload 1st syscall arg */
207 movl RCX-ARGOFFSET(%rsp),%esi /* reload 2nd syscall arg */
208 movl RDX-ARGOFFSET(%rsp),%edx /* reload 3rd syscall arg */
209 movl RSI-ARGOFFSET(%rsp),%ecx /* reload 4th syscall arg */
210 movl RDI-ARGOFFSET(%rsp),%r8d /* reload 5th syscall arg */
213 .macro auditsys_exit exit
214 testl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),TI_flags(%r10)
215 jnz ia32_ret_from_sys_call
217 ENABLE_INTERRUPTS(CLBR_NONE)
218 movl %eax,%esi /* second arg, syscall return value */
219 cmpl $0,%eax /* is it < 0? */
220 setl %al /* 1 if so, 0 if not */
221 movzbl %al,%edi /* zero-extend that into %edi */
222 inc %edi /* first arg, 0->1(AUDITSC_SUCCESS), 1->2(AUDITSC_FAILURE) */
223 call audit_syscall_exit
224 GET_THREAD_INFO(%r10)
225 movl RAX-ARGOFFSET(%rsp),%eax /* reload syscall return value */
226 movl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),%edi
227 DISABLE_INTERRUPTS(CLBR_NONE)
229 testl %edi,TI_flags(%r10)
231 CLEAR_RREGS -ARGOFFSET
237 auditsys_entry_common
238 movl %ebp,%r9d /* reload 6th syscall arg */
239 jmp sysenter_dispatch
242 auditsys_exit sysexit_from_sys_call
246 #ifdef CONFIG_AUDITSYSCALL
247 testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags(%r10)
252 movq $-ENOSYS,RAX(%rsp)/* ptrace can change this for a bad syscall */
253 movq %rsp,%rdi /* &pt_regs -> arg1 */
254 call syscall_trace_enter
255 LOAD_ARGS32 ARGOFFSET /* reload args from stack in case ptrace changed it */
257 cmpq $(IA32_NR_syscalls-1),%rax
258 ja int_ret_from_sys_call /* sysenter_tracesys has set RAX(%rsp) */
261 ENDPROC(ia32_sysenter_target)
264 * 32bit SYSCALL instruction entry.
267 * %eax System call number.
273 * %ebp Arg2 [note: not saved in the stack frame, should not be touched]
279 * This is purely a fast path. For anything complicated we use the int 0x80
280 * path below. Set up a complete hardware stack frame to share code
281 * with the int 0x80 path.
283 ENTRY(ia32_cstar_target)
284 CFI_STARTPROC32 simple
286 CFI_DEF_CFA rsp,KERNEL_STACK_OFFSET
288 /*CFI_REGISTER rflags,r11*/
290 SWITCH_KERNEL_CR3_NO_STACK
293 movq PER_CPU_VAR(kernel_stack),%rsp
295 * No need to follow this irqs on/off section: the syscall
296 * disabled irqs and here we enable it straight after entry:
298 ENABLE_INTERRUPTS(CLBR_NONE)
300 movl %eax,%eax /* zero extension */
301 movq %rax,ORIG_RAX-ARGOFFSET(%rsp)
302 movq %rcx,RIP-ARGOFFSET(%rsp)
303 CFI_REL_OFFSET rip,RIP-ARGOFFSET
304 movq %rbp,RCX-ARGOFFSET(%rsp) /* this lies slightly to ptrace */
306 movq $__USER32_CS,CS-ARGOFFSET(%rsp)
307 movq $__USER32_DS,SS-ARGOFFSET(%rsp)
308 movq %r11,EFLAGS-ARGOFFSET(%rsp)
309 /*CFI_REL_OFFSET rflags,EFLAGS-ARGOFFSET*/
310 movq %r8,RSP-ARGOFFSET(%rsp)
311 CFI_REL_OFFSET rsp,RSP-ARGOFFSET
312 /* no need to do an access_ok check here because r8 has been
313 32bit zero extended */
314 /* hardware stack frame is complete now */
316 .section __ex_table,"a"
319 GET_THREAD_INFO(%r10)
320 orl $TS_COMPAT,TI_status(%r10)
321 testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r10)
324 cmpq $IA32_NR_syscalls-1,%rax
329 call *ia32_sys_call_table(,%rax,8)
330 movq %rax,RAX-ARGOFFSET(%rsp)
331 GET_THREAD_INFO(%r10)
332 DISABLE_INTERRUPTS(CLBR_NONE)
334 testl $_TIF_ALLWORK_MASK,TI_flags(%r10)
336 sysretl_from_sys_call:
337 andl $~TS_COMPAT,TI_status(%r10)
338 RESTORE_ARGS 0,-ARG_SKIP,0,0,0
339 movl RIP-ARGOFFSET(%rsp),%ecx
341 movl EFLAGS-ARGOFFSET(%rsp),%r11d
342 /*CFI_REGISTER rflags,r11*/
348 movl RSP-ARGOFFSET(%rsp),%esp
352 #ifdef CONFIG_AUDITSYSCALL
355 movl %r9d,R9-ARGOFFSET(%rsp) /* register to be clobbered by call */
356 auditsys_entry_common
357 movl R9-ARGOFFSET(%rsp),%r9d /* reload 6th syscall arg */
361 auditsys_exit sysretl_from_sys_call
365 #ifdef CONFIG_AUDITSYSCALL
366 testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags(%r10)
372 movq $-ENOSYS,RAX(%rsp) /* ptrace can change this for a bad syscall */
373 movq %rsp,%rdi /* &pt_regs -> arg1 */
374 call syscall_trace_enter
375 LOAD_ARGS32 ARGOFFSET, 1 /* reload args from stack in case ptrace changed it */
378 cmpq $(IA32_NR_syscalls-1),%rax
379 ja int_ret_from_sys_call /* cstar_tracesys has set RAX(%rsp) */
381 END(ia32_cstar_target)
389 * Emulated IA32 system calls via int 0x80.
392 * %eax System call number.
398 * %ebp Arg6 [note: not saved in the stack frame, should not be touched]
401 * Uses the same stack frame as the x86-64 version.
402 * All registers except %eax must be saved (but ptrace may violate that)
403 * Arguments are zero extended. For system calls that want sign extension and
404 * take long arguments a wrapper is needed. Most calls can just be called
406 * Assumes it is only called from user space and entered with interrupts off.
410 CFI_STARTPROC32 simple
412 CFI_DEF_CFA rsp,SS+8-RIP
413 /*CFI_REL_OFFSET ss,SS-RIP*/
414 CFI_REL_OFFSET rsp,RSP-RIP
415 /*CFI_REL_OFFSET rflags,EFLAGS-RIP*/
416 /*CFI_REL_OFFSET cs,CS-RIP*/
417 CFI_REL_OFFSET rip,RIP-RIP
418 PARAVIRT_ADJUST_EXCEPTION_FRAME
420 SWITCH_KERNEL_CR3_NO_STACK
422 * No need to follow this irqs on/off section: the syscall
423 * disabled irqs and here we enable it straight after entry:
425 ENABLE_INTERRUPTS(CLBR_NONE)
429 /* note the registers are not zero extended to the sf.
430 this could be a problem. */
432 GET_THREAD_INFO(%r10)
433 orl $TS_COMPAT,TI_status(%r10)
434 testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r10)
436 cmpq $(IA32_NR_syscalls-1),%rax
440 call *ia32_sys_call_table(,%rax,8) # xxx: rip relative
442 movq %rax,RAX-ARGOFFSET(%rsp)
443 ia32_ret_from_sys_call:
444 CLEAR_RREGS -ARGOFFSET
445 jmp int_ret_from_sys_call
450 movq $-ENOSYS,RAX(%rsp) /* ptrace can change this for a bad syscall */
451 movq %rsp,%rdi /* &pt_regs -> arg1 */
452 call syscall_trace_enter
453 LOAD_ARGS32 ARGOFFSET /* reload args from stack in case ptrace changed it */
455 cmpq $(IA32_NR_syscalls-1),%rax
456 ja int_ret_from_sys_call /* ia32_tracesys has set RAX(%rsp) */
461 movq $0,ORIG_RAX-ARGOFFSET(%rsp)
470 .macro PTREGSCALL label, func, arg
473 leaq \func(%rip),%rax
474 leaq -ARGOFFSET+8(%rsp),\arg /* 8 for return address */
475 jmp ia32_ptregs_common
480 PTREGSCALL stub32_rt_sigreturn, sys32_rt_sigreturn, %rdi
481 PTREGSCALL stub32_sigreturn, sys32_sigreturn, %rdi
482 PTREGSCALL stub32_sigaltstack, sys32_sigaltstack, %rdx
483 PTREGSCALL stub32_execve, sys32_execve, %rcx
484 PTREGSCALL stub32_fork, sys_fork, %rdi
485 PTREGSCALL stub32_clone, sys32_clone, %rdx
486 PTREGSCALL stub32_vfork, sys_vfork, %rdi
487 PTREGSCALL stub32_iopl, sys_iopl, %rsi
489 ENTRY(ia32_ptregs_common)
492 CFI_STARTPROC32 simple
494 CFI_DEF_CFA rsp,SS+8-ARGOFFSET
495 CFI_REL_OFFSET rax,RAX-ARGOFFSET
496 CFI_REL_OFFSET rcx,RCX-ARGOFFSET
497 CFI_REL_OFFSET rdx,RDX-ARGOFFSET
498 CFI_REL_OFFSET rsi,RSI-ARGOFFSET
499 CFI_REL_OFFSET rdi,RDI-ARGOFFSET
500 CFI_REL_OFFSET rip,RIP-ARGOFFSET
501 /* CFI_REL_OFFSET cs,CS-ARGOFFSET*/
502 /* CFI_REL_OFFSET rflags,EFLAGS-ARGOFFSET*/
503 CFI_REL_OFFSET rsp,RSP-ARGOFFSET
504 /* CFI_REL_OFFSET ss,SS-ARGOFFSET*/
508 jmp ia32_sysret /* misbalances the return cache */
510 END(ia32_ptregs_common)
515 .quad sys_restart_syscall
520 .quad compat_sys_open /* 5 */
525 .quad sys_unlink /* 10 */
528 .quad compat_sys_time
530 .quad sys_chmod /* 15 */
532 .quad quiet_ni_syscall /* old break syscall holder */
535 .quad sys_getpid /* 20 */
536 .quad compat_sys_mount /* mount */
537 .quad sys_oldumount /* old_umount */
540 .quad compat_sys_stime /* stime */ /* 25 */
541 .quad compat_sys_ptrace /* ptrace */
543 .quad sys_fstat /* (old)fstat */
545 .quad compat_sys_utime /* 30 */
546 .quad quiet_ni_syscall /* old stty syscall holder */
547 .quad quiet_ni_syscall /* old gtty syscall holder */
550 .quad quiet_ni_syscall /* 35 */ /* old ftime syscall holder */
555 .quad sys_rmdir /* 40 */
558 .quad compat_sys_times
559 .quad quiet_ni_syscall /* old prof syscall holder */
560 .quad sys_brk /* 45 */
565 .quad sys_getegid16 /* 50 */
567 .quad sys_umount /* new_umount */
568 .quad quiet_ni_syscall /* old lock syscall holder */
569 .quad compat_sys_ioctl
570 .quad compat_sys_fcntl64 /* 55 */
571 .quad quiet_ni_syscall /* old mpx syscall holder */
573 .quad quiet_ni_syscall /* old ulimit syscall holder */
575 .quad sys_umask /* 60 */
577 .quad compat_sys_ustat
580 .quad sys_getpgrp /* 65 */
582 .quad sys32_sigaction
585 .quad sys_setreuid16 /* 70 */
587 .quad sys32_sigsuspend
588 .quad compat_sys_sigpending
589 .quad sys_sethostname
590 .quad compat_sys_setrlimit /* 75 */
591 .quad compat_sys_old_getrlimit /* old_getrlimit */
592 .quad compat_sys_getrusage
593 .quad compat_sys_gettimeofday
594 .quad compat_sys_settimeofday
595 .quad sys_getgroups16 /* 80 */
596 .quad sys_setgroups16
597 .quad compat_sys_old_select
600 .quad sys_readlink /* 85 */
604 .quad compat_sys_old_readdir
605 .quad sys32_mmap /* 90 */
610 .quad sys_fchown16 /* 95 */
611 .quad sys_getpriority
612 .quad sys_setpriority
613 .quad quiet_ni_syscall /* old profil syscall holder */
614 .quad compat_sys_statfs
615 .quad compat_sys_fstatfs /* 100 */
617 .quad compat_sys_socketcall
619 .quad compat_sys_setitimer
620 .quad compat_sys_getitimer /* 105 */
621 .quad compat_sys_newstat
622 .quad compat_sys_newlstat
623 .quad compat_sys_newfstat
625 .quad stub32_iopl /* 110 */
627 .quad quiet_ni_syscall /* old "idle" system call */
628 .quad sys32_vm86_warning /* vm86old */
629 .quad compat_sys_wait4
630 .quad sys_swapoff /* 115 */
631 .quad compat_sys_sysinfo
634 .quad stub32_sigreturn
635 .quad stub32_clone /* 120 */
636 .quad sys_setdomainname
639 .quad compat_sys_adjtimex
640 .quad sys32_mprotect /* 125 */
641 .quad compat_sys_sigprocmask
642 .quad quiet_ni_syscall /* create_module */
643 .quad sys_init_module
644 .quad sys_delete_module
645 .quad quiet_ni_syscall /* 130 get_kernel_syms */
649 .quad quiet_ni_syscall /* bdflush */
650 .quad sys_sysfs /* 135 */
651 .quad sys_personality
652 .quad quiet_ni_syscall /* for afs_syscall */
655 .quad sys_llseek /* 140 */
656 .quad compat_sys_getdents
657 .quad compat_sys_select
660 .quad compat_sys_readv /* 145 */
661 .quad compat_sys_writev
664 .quad compat_sys_sysctl /* sysctl */
665 .quad sys_mlock /* 150 */
669 .quad sys_sched_setparam
670 .quad sys_sched_getparam /* 155 */
671 .quad sys_sched_setscheduler
672 .quad sys_sched_getscheduler
673 .quad sys_sched_yield
674 .quad sys_sched_get_priority_max
675 .quad sys_sched_get_priority_min /* 160 */
676 .quad sys32_sched_rr_get_interval
677 .quad compat_sys_nanosleep
679 .quad sys_setresuid16
680 .quad sys_getresuid16 /* 165 */
681 .quad sys32_vm86_warning /* vm86 */
682 .quad quiet_ni_syscall /* query_module */
684 .quad quiet_ni_syscall /* old nfsservctl */
685 .quad sys_setresgid16 /* 170 */
686 .quad sys_getresgid16
688 .quad stub32_rt_sigreturn
689 .quad sys32_rt_sigaction
690 .quad sys32_rt_sigprocmask /* 175 */
691 .quad sys32_rt_sigpending
692 .quad compat_sys_rt_sigtimedwait
693 .quad sys32_rt_sigqueueinfo
694 .quad sys_rt_sigsuspend
695 .quad sys32_pread /* 180 */
701 .quad stub32_sigaltstack
703 .quad quiet_ni_syscall /* streams1 */
704 .quad quiet_ni_syscall /* streams2 */
705 .quad stub32_vfork /* 190 */
706 .quad compat_sys_getrlimit
708 .quad sys32_truncate64
709 .quad sys32_ftruncate64
710 .quad sys32_stat64 /* 195 */
715 .quad sys_getgid /* 200 */
720 .quad sys_getgroups /* 205 */
725 .quad sys_setresgid /* 210 */
730 .quad sys_setfsuid /* 215 */
735 .quad compat_sys_getdents64 /* 220 getdents64 */
736 .quad compat_sys_fcntl64
737 .quad quiet_ni_syscall /* tux */
738 .quad quiet_ni_syscall /* security */
740 .quad sys32_readahead /* 225 */
745 .quad sys_lgetxattr /* 230 */
750 .quad sys_removexattr /* 235 */
751 .quad sys_lremovexattr
752 .quad sys_fremovexattr
755 .quad compat_sys_futex /* 240 */
756 .quad compat_sys_sched_setaffinity
757 .quad compat_sys_sched_getaffinity
758 .quad sys_set_thread_area
759 .quad sys_get_thread_area
760 .quad compat_sys_io_setup /* 245 */
762 .quad compat_sys_io_getevents
763 .quad compat_sys_io_submit
765 .quad sys32_fadvise64 /* 250 */
766 .quad quiet_ni_syscall /* free_huge_pages */
768 .quad sys32_lookup_dcookie
769 .quad sys_epoll_create
770 .quad sys_epoll_ctl /* 255 */
772 .quad sys_remap_file_pages
773 .quad sys_set_tid_address
774 .quad compat_sys_timer_create
775 .quad compat_sys_timer_settime /* 260 */
776 .quad compat_sys_timer_gettime
777 .quad sys_timer_getoverrun
778 .quad sys_timer_delete
779 .quad compat_sys_clock_settime
780 .quad compat_sys_clock_gettime /* 265 */
781 .quad compat_sys_clock_getres
782 .quad compat_sys_clock_nanosleep
783 .quad compat_sys_statfs64
784 .quad compat_sys_fstatfs64
785 .quad sys_tgkill /* 270 */
786 .quad compat_sys_utimes
787 .quad sys32_fadvise64_64
788 .quad quiet_ni_syscall /* sys_vserver */
790 .quad compat_sys_get_mempolicy /* 275 */
791 .quad sys_set_mempolicy
792 .quad compat_sys_mq_open
794 .quad compat_sys_mq_timedsend
795 .quad compat_sys_mq_timedreceive /* 280 */
796 .quad compat_sys_mq_notify
797 .quad compat_sys_mq_getsetattr
798 .quad compat_sys_kexec_load /* reserved for kexec */
799 .quad compat_sys_waitid
800 .quad quiet_ni_syscall /* 285: sys_altroot */
802 .quad sys_request_key
803 .quad compat_sys_keyctl
805 .quad sys_ioprio_get /* 290 */
806 .quad sys_inotify_init
807 .quad sys_inotify_add_watch
808 .quad sys_inotify_rm_watch
809 .quad sys_migrate_pages
810 .quad compat_sys_openat /* 295 */
814 .quad compat_sys_futimesat
815 .quad sys32_fstatat /* 300 */
820 .quad sys_readlinkat /* 305 */
823 .quad compat_sys_pselect6
824 .quad compat_sys_ppoll
825 .quad sys_unshare /* 310 */
826 .quad compat_sys_set_robust_list
827 .quad compat_sys_get_robust_list
829 .quad sys32_sync_file_range
830 .quad sys_tee /* 315 */
831 .quad compat_sys_vmsplice
832 .quad compat_sys_move_pages
834 .quad sys_epoll_pwait
835 .quad compat_sys_utimensat /* 320 */
836 .quad compat_sys_signalfd
837 .quad sys_timerfd_create
839 .quad sys32_fallocate
840 .quad compat_sys_timerfd_settime /* 325 */
841 .quad compat_sys_timerfd_gettime
842 .quad compat_sys_signalfd4
844 .quad sys_epoll_create1
845 .quad sys_dup3 /* 330 */
847 .quad sys_inotify_init1
848 .quad compat_sys_preadv
849 .quad compat_sys_pwritev
850 .quad compat_sys_rt_tgsigqueueinfo /* 335 */
851 .quad sys_perf_event_open
852 .quad compat_sys_recvmmsg
853 .quad sys_fanotify_init
854 .quad sys32_fanotify_mark
855 .quad sys_prlimit64 /* 340 */
856 .quad sys_name_to_handle_at
857 .quad compat_sys_open_by_handle_at
858 .quad compat_sys_clock_adjtime
860 .quad compat_sys_sendmmsg /* 345 */
862 .quad compat_sys_process_vm_readv
863 .quad compat_sys_process_vm_writev