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/irqflags.h>
16 #include <linux/linkage.h>
17 #include <linux/err.h>
19 /* Avoid __ASSEMBLER__'ifying <linux/audit.h> just for this. */
20 #include <linux/elf-em.h>
21 #define AUDIT_ARCH_I386 (EM_386|__AUDIT_ARCH_LE)
22 #define __AUDIT_ARCH_LE 0x40000000
24 #ifndef CONFIG_AUDITSYSCALL
25 #define sysexit_audit ia32_ret_from_sys_call
26 #define sysretl_audit ia32_ret_from_sys_call
29 .section .entry.text, "ax"
31 #define IA32_NR_syscalls ((ia32_syscall_end - ia32_sys_call_table)/8)
33 .macro IA32_ARG_FIXUP noebp=0
41 movl %edx,%edx /* zero extension */
45 .macro CLEAR_RREGS offset=0, _r9=rax
47 movq %rax,\offset+R11(%rsp)
48 movq %rax,\offset+R10(%rsp)
49 movq %\_r9,\offset+R9(%rsp)
50 movq %rax,\offset+R8(%rsp)
54 * Reload arg registers from stack in case ptrace changed them.
55 * We don't reload %eax because syscall_trace_enter() returned
56 * the %rax value we should see. Instead, we just truncate that
57 * value to 32 bits again as we did on entry from user mode.
58 * If it's a new value set by user_regset during entry tracing,
59 * this matches the normal truncation of the user-mode value.
60 * If it's -1 to make us punt the syscall, then (u32)-1 is still
61 * an appropriately invalid value.
63 .macro LOAD_ARGS32 offset, _r9=0
65 movl \offset+16(%rsp),%r9d
67 movl \offset+40(%rsp),%ecx
68 movl \offset+48(%rsp),%edx
69 movl \offset+56(%rsp),%esi
70 movl \offset+64(%rsp),%edi
71 movl %eax,%eax /* zero extension */
74 .macro CFI_STARTPROC32 simple
86 #ifdef CONFIG_PARAVIRT
87 ENTRY(native_usergs_sysret32)
90 ENDPROC(native_usergs_sysret32)
92 ENTRY(native_irq_enable_sysexit)
96 ENDPROC(native_irq_enable_sysexit)
100 * 32bit SYSENTER instruction entry.
103 * %eax System call number.
114 * This is purely a fast path. For anything complicated we use the int 0x80
115 * path below. Set up a complete hardware stack frame to share code
116 * with the int 0x80 path.
118 ENTRY(ia32_sysenter_target)
119 CFI_STARTPROC32 simple
124 movq PER_CPU_VAR(kernel_stack), %rsp
125 addq $(KERNEL_STACK_OFFSET),%rsp
127 * No need to follow this irqs on/off section: the syscall
128 * disabled irqs, here we enable it straight after entry:
130 ENABLE_INTERRUPTS(CLBR_NONE)
131 movl %ebp,%ebp /* zero extension */
132 pushq_cfi $__USER32_DS
133 /*CFI_REL_OFFSET ss,0*/
137 /*CFI_REL_OFFSET rflags,0*/
138 movl TI_sysenter_return+THREAD_INFO(%rsp,3*8-KERNEL_STACK_OFFSET),%r10d
140 pushq_cfi $__USER32_CS
141 /*CFI_REL_OFFSET cs,0*/
148 /* no need to do an access_ok check here because rbp has been
149 32bit zero extended */
151 .section __ex_table,"a"
154 orl $TS_COMPAT,TI_status+THREAD_INFO(%rsp,RIP-ARGOFFSET)
155 testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
157 jnz sysenter_tracesys
158 cmpq $(IA32_NR_syscalls-1),%rax
163 call *ia32_sys_call_table(,%rax,8)
164 movq %rax,RAX-ARGOFFSET(%rsp)
165 DISABLE_INTERRUPTS(CLBR_NONE)
167 testl $_TIF_ALLWORK_MASK,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
169 sysexit_from_sys_call:
170 andl $~TS_COMPAT,TI_status+THREAD_INFO(%rsp,RIP-ARGOFFSET)
171 /* clear IF, that popfq doesn't enable interrupts early */
172 andl $~0x200,EFLAGS-R11(%rsp)
173 movl RIP-R11(%rsp),%edx /* User %eip */
175 RESTORE_ARGS 0,24,0,0,0,0
181 /*CFI_RESTORE rflags*/
182 popq_cfi %rcx /* User %esp */
185 ENABLE_INTERRUPTS_SYSEXIT32
187 #ifdef CONFIG_AUDITSYSCALL
188 .macro auditsys_entry_common
189 movl %esi,%r9d /* 6th arg: 4th syscall arg */
190 movl %edx,%r8d /* 5th arg: 3rd syscall arg */
191 /* (already in %ecx) 4th arg: 2nd syscall arg */
192 movl %ebx,%edx /* 3rd arg: 1st syscall arg */
193 movl %eax,%esi /* 2nd arg: syscall number */
194 movl $AUDIT_ARCH_I386,%edi /* 1st arg: audit arch */
195 call audit_syscall_entry
196 movl RAX-ARGOFFSET(%rsp),%eax /* reload syscall number */
197 cmpq $(IA32_NR_syscalls-1),%rax
199 movl %ebx,%edi /* reload 1st syscall arg */
200 movl RCX-ARGOFFSET(%rsp),%esi /* reload 2nd syscall arg */
201 movl RDX-ARGOFFSET(%rsp),%edx /* reload 3rd syscall arg */
202 movl RSI-ARGOFFSET(%rsp),%ecx /* reload 4th syscall arg */
203 movl RDI-ARGOFFSET(%rsp),%r8d /* reload 5th syscall arg */
206 .macro auditsys_exit exit
207 testl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
208 jnz ia32_ret_from_sys_call
211 movl %eax,%esi /* second arg, syscall return value */
212 cmpl $-MAX_ERRNO,%eax /* is it an error ? */
214 movslq %eax, %rsi /* if error sign extend to 64 bits */
215 1: setbe %al /* 1 if error, 0 if not */
216 movzbl %al,%edi /* zero-extend that into %edi */
217 call __audit_syscall_exit
218 movq RAX-ARGOFFSET(%rsp),%rax /* reload syscall return value */
219 movl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),%edi
222 testl %edi,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
224 CLEAR_RREGS -ARGOFFSET
230 auditsys_entry_common
231 movl %ebp,%r9d /* reload 6th syscall arg */
232 jmp sysenter_dispatch
235 auditsys_exit sysexit_from_sys_call
239 #ifdef CONFIG_AUDITSYSCALL
240 testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
245 movq $-ENOSYS,RAX(%rsp)/* ptrace can change this for a bad syscall */
246 movq %rsp,%rdi /* &pt_regs -> arg1 */
247 call syscall_trace_enter
248 LOAD_ARGS32 ARGOFFSET /* reload args from stack in case ptrace changed it */
250 cmpq $(IA32_NR_syscalls-1),%rax
251 ja int_ret_from_sys_call /* sysenter_tracesys has set RAX(%rsp) */
254 ENDPROC(ia32_sysenter_target)
257 * 32bit SYSCALL instruction entry.
260 * %eax System call number.
266 * %ebp Arg2 [note: not saved in the stack frame, should not be touched]
272 * This is purely a fast path. For anything complicated we use the int 0x80
273 * path below. Set up a complete hardware stack frame to share code
274 * with the int 0x80 path.
276 ENTRY(ia32_cstar_target)
277 CFI_STARTPROC32 simple
279 CFI_DEF_CFA rsp,KERNEL_STACK_OFFSET
281 /*CFI_REGISTER rflags,r11*/
285 movq PER_CPU_VAR(kernel_stack),%rsp
287 * No need to follow this irqs on/off section: the syscall
288 * disabled irqs and here we enable it straight after entry:
290 ENABLE_INTERRUPTS(CLBR_NONE)
292 movl %eax,%eax /* zero extension */
293 movq %rax,ORIG_RAX-ARGOFFSET(%rsp)
294 movq %rcx,RIP-ARGOFFSET(%rsp)
295 CFI_REL_OFFSET rip,RIP-ARGOFFSET
296 movq %rbp,RCX-ARGOFFSET(%rsp) /* this lies slightly to ptrace */
298 movq $__USER32_CS,CS-ARGOFFSET(%rsp)
299 movq $__USER32_DS,SS-ARGOFFSET(%rsp)
300 movq %r11,EFLAGS-ARGOFFSET(%rsp)
301 /*CFI_REL_OFFSET rflags,EFLAGS-ARGOFFSET*/
302 movq %r8,RSP-ARGOFFSET(%rsp)
303 CFI_REL_OFFSET rsp,RSP-ARGOFFSET
304 /* no need to do an access_ok check here because r8 has been
305 32bit zero extended */
306 /* hardware stack frame is complete now */
308 .section __ex_table,"a"
311 orl $TS_COMPAT,TI_status+THREAD_INFO(%rsp,RIP-ARGOFFSET)
312 testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
315 cmpq $IA32_NR_syscalls-1,%rax
320 call *ia32_sys_call_table(,%rax,8)
321 movq %rax,RAX-ARGOFFSET(%rsp)
322 DISABLE_INTERRUPTS(CLBR_NONE)
324 testl $_TIF_ALLWORK_MASK,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
326 sysretl_from_sys_call:
327 andl $~TS_COMPAT,TI_status+THREAD_INFO(%rsp,RIP-ARGOFFSET)
328 RESTORE_ARGS 0,-ARG_SKIP,0,0,0
329 movl RIP-ARGOFFSET(%rsp),%ecx
331 movl EFLAGS-ARGOFFSET(%rsp),%r11d
332 /*CFI_REGISTER rflags,r11*/
337 movl RSP-ARGOFFSET(%rsp),%esp
341 #ifdef CONFIG_AUDITSYSCALL
344 movl %r9d,R9-ARGOFFSET(%rsp) /* register to be clobbered by call */
345 auditsys_entry_common
346 movl R9-ARGOFFSET(%rsp),%r9d /* reload 6th syscall arg */
350 auditsys_exit sysretl_from_sys_call
354 #ifdef CONFIG_AUDITSYSCALL
355 testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
361 movq $-ENOSYS,RAX(%rsp) /* ptrace can change this for a bad syscall */
362 movq %rsp,%rdi /* &pt_regs -> arg1 */
363 call syscall_trace_enter
364 LOAD_ARGS32 ARGOFFSET, 1 /* reload args from stack in case ptrace changed it */
367 cmpq $(IA32_NR_syscalls-1),%rax
368 ja int_ret_from_sys_call /* cstar_tracesys has set RAX(%rsp) */
370 END(ia32_cstar_target)
378 * Emulated IA32 system calls via int 0x80.
381 * %eax System call number.
387 * %ebp Arg6 [note: not saved in the stack frame, should not be touched]
390 * Uses the same stack frame as the x86-64 version.
391 * All registers except %eax must be saved (but ptrace may violate that)
392 * Arguments are zero extended. For system calls that want sign extension and
393 * take long arguments a wrapper is needed. Most calls can just be called
395 * Assumes it is only called from user space and entered with interrupts off.
399 CFI_STARTPROC32 simple
401 CFI_DEF_CFA rsp,SS+8-RIP
402 /*CFI_REL_OFFSET ss,SS-RIP*/
403 CFI_REL_OFFSET rsp,RSP-RIP
404 /*CFI_REL_OFFSET rflags,EFLAGS-RIP*/
405 /*CFI_REL_OFFSET cs,CS-RIP*/
406 CFI_REL_OFFSET rip,RIP-RIP
407 PARAVIRT_ADJUST_EXCEPTION_FRAME
410 * No need to follow this irqs on/off section: the syscall
411 * disabled irqs and here we enable it straight after entry:
413 ENABLE_INTERRUPTS(CLBR_NONE)
417 /* note the registers are not zero extended to the sf.
418 this could be a problem. */
420 orl $TS_COMPAT,TI_status+THREAD_INFO(%rsp,RIP-ARGOFFSET)
421 testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
423 cmpq $(IA32_NR_syscalls-1),%rax
427 call *ia32_sys_call_table(,%rax,8) # xxx: rip relative
429 movq %rax,RAX-ARGOFFSET(%rsp)
430 ia32_ret_from_sys_call:
431 CLEAR_RREGS -ARGOFFSET
432 jmp int_ret_from_sys_call
437 movq $-ENOSYS,RAX(%rsp) /* ptrace can change this for a bad syscall */
438 movq %rsp,%rdi /* &pt_regs -> arg1 */
439 call syscall_trace_enter
440 LOAD_ARGS32 ARGOFFSET /* reload args from stack in case ptrace changed it */
442 cmpq $(IA32_NR_syscalls-1),%rax
443 ja int_ret_from_sys_call /* ia32_tracesys has set RAX(%rsp) */
448 movq $0,ORIG_RAX-ARGOFFSET(%rsp)
457 .macro PTREGSCALL label, func, arg
460 leaq \func(%rip),%rax
461 leaq -ARGOFFSET+8(%rsp),\arg /* 8 for return address */
462 jmp ia32_ptregs_common
467 PTREGSCALL stub32_rt_sigreturn, sys32_rt_sigreturn, %rdi
468 PTREGSCALL stub32_sigreturn, sys32_sigreturn, %rdi
469 PTREGSCALL stub32_sigaltstack, sys32_sigaltstack, %rdx
470 PTREGSCALL stub32_execve, sys32_execve, %rcx
471 PTREGSCALL stub32_fork, sys_fork, %rdi
472 PTREGSCALL stub32_clone, sys32_clone, %rdx
473 PTREGSCALL stub32_vfork, sys_vfork, %rdi
474 PTREGSCALL stub32_iopl, sys_iopl, %rsi
480 CFI_STARTPROC32 simple
482 CFI_DEF_CFA rsp,SS+8-ARGOFFSET
483 CFI_REL_OFFSET rax,RAX-ARGOFFSET
484 CFI_REL_OFFSET rcx,RCX-ARGOFFSET
485 CFI_REL_OFFSET rdx,RDX-ARGOFFSET
486 CFI_REL_OFFSET rsi,RSI-ARGOFFSET
487 CFI_REL_OFFSET rdi,RDI-ARGOFFSET
488 CFI_REL_OFFSET rip,RIP-ARGOFFSET
489 /* CFI_REL_OFFSET cs,CS-ARGOFFSET*/
490 /* CFI_REL_OFFSET rflags,EFLAGS-ARGOFFSET*/
491 CFI_REL_OFFSET rsp,RSP-ARGOFFSET
492 /* CFI_REL_OFFSET ss,SS-ARGOFFSET*/
496 jmp ia32_sysret /* misbalances the return cache */
498 END(ia32_ptregs_common)
503 .quad sys_restart_syscall
508 .quad compat_sys_open /* 5 */
513 .quad sys_unlink /* 10 */
516 .quad compat_sys_time
518 .quad sys_chmod /* 15 */
520 .quad quiet_ni_syscall /* old break syscall holder */
523 .quad sys_getpid /* 20 */
524 .quad compat_sys_mount /* mount */
525 .quad sys_oldumount /* old_umount */
528 .quad compat_sys_stime /* stime */ /* 25 */
529 .quad compat_sys_ptrace /* ptrace */
531 .quad sys_fstat /* (old)fstat */
533 .quad compat_sys_utime /* 30 */
534 .quad quiet_ni_syscall /* old stty syscall holder */
535 .quad quiet_ni_syscall /* old gtty syscall holder */
538 .quad quiet_ni_syscall /* 35 */ /* old ftime syscall holder */
543 .quad sys_rmdir /* 40 */
546 .quad compat_sys_times
547 .quad quiet_ni_syscall /* old prof syscall holder */
548 .quad sys_brk /* 45 */
553 .quad sys_getegid16 /* 50 */
555 .quad sys_umount /* new_umount */
556 .quad quiet_ni_syscall /* old lock syscall holder */
557 .quad compat_sys_ioctl
558 .quad compat_sys_fcntl64 /* 55 */
559 .quad quiet_ni_syscall /* old mpx syscall holder */
561 .quad quiet_ni_syscall /* old ulimit syscall holder */
563 .quad sys_umask /* 60 */
565 .quad compat_sys_ustat
568 .quad sys_getpgrp /* 65 */
570 .quad sys32_sigaction
573 .quad sys_setreuid16 /* 70 */
575 .quad sys32_sigsuspend
576 .quad compat_sys_sigpending
577 .quad sys_sethostname
578 .quad compat_sys_setrlimit /* 75 */
579 .quad compat_sys_old_getrlimit /* old_getrlimit */
580 .quad compat_sys_getrusage
581 .quad compat_sys_gettimeofday
582 .quad compat_sys_settimeofday
583 .quad sys_getgroups16 /* 80 */
584 .quad sys_setgroups16
585 .quad compat_sys_old_select
588 .quad sys_readlink /* 85 */
592 .quad compat_sys_old_readdir
593 .quad sys32_mmap /* 90 */
598 .quad sys_fchown16 /* 95 */
599 .quad sys_getpriority
600 .quad sys_setpriority
601 .quad quiet_ni_syscall /* old profil syscall holder */
602 .quad compat_sys_statfs
603 .quad compat_sys_fstatfs /* 100 */
605 .quad compat_sys_socketcall
607 .quad compat_sys_setitimer
608 .quad compat_sys_getitimer /* 105 */
609 .quad compat_sys_newstat
610 .quad compat_sys_newlstat
611 .quad compat_sys_newfstat
613 .quad stub32_iopl /* 110 */
615 .quad quiet_ni_syscall /* old "idle" system call */
616 .quad sys32_vm86_warning /* vm86old */
617 .quad compat_sys_wait4
618 .quad sys_swapoff /* 115 */
619 .quad compat_sys_sysinfo
622 .quad stub32_sigreturn
623 .quad stub32_clone /* 120 */
624 .quad sys_setdomainname
627 .quad compat_sys_adjtimex
628 .quad sys32_mprotect /* 125 */
629 .quad compat_sys_sigprocmask
630 .quad quiet_ni_syscall /* create_module */
631 .quad sys_init_module
632 .quad sys_delete_module
633 .quad quiet_ni_syscall /* 130 get_kernel_syms */
637 .quad quiet_ni_syscall /* bdflush */
638 .quad sys_sysfs /* 135 */
639 .quad sys_personality
640 .quad quiet_ni_syscall /* for afs_syscall */
643 .quad sys_llseek /* 140 */
644 .quad compat_sys_getdents
645 .quad compat_sys_select
648 .quad compat_sys_readv /* 145 */
649 .quad compat_sys_writev
652 .quad compat_sys_sysctl /* sysctl */
653 .quad sys_mlock /* 150 */
657 .quad sys_sched_setparam
658 .quad sys_sched_getparam /* 155 */
659 .quad sys_sched_setscheduler
660 .quad sys_sched_getscheduler
661 .quad sys_sched_yield
662 .quad sys_sched_get_priority_max
663 .quad sys_sched_get_priority_min /* 160 */
664 .quad sys32_sched_rr_get_interval
665 .quad compat_sys_nanosleep
667 .quad sys_setresuid16
668 .quad sys_getresuid16 /* 165 */
669 .quad sys32_vm86_warning /* vm86 */
670 .quad quiet_ni_syscall /* query_module */
672 .quad quiet_ni_syscall /* old nfsservctl */
673 .quad sys_setresgid16 /* 170 */
674 .quad sys_getresgid16
676 .quad stub32_rt_sigreturn
677 .quad sys32_rt_sigaction
678 .quad sys32_rt_sigprocmask /* 175 */
679 .quad sys32_rt_sigpending
680 .quad compat_sys_rt_sigtimedwait
681 .quad sys32_rt_sigqueueinfo
682 .quad sys_rt_sigsuspend
683 .quad sys32_pread /* 180 */
689 .quad stub32_sigaltstack
691 .quad quiet_ni_syscall /* streams1 */
692 .quad quiet_ni_syscall /* streams2 */
693 .quad stub32_vfork /* 190 */
694 .quad compat_sys_getrlimit
696 .quad sys32_truncate64
697 .quad sys32_ftruncate64
698 .quad sys32_stat64 /* 195 */
703 .quad sys_getgid /* 200 */
708 .quad sys_getgroups /* 205 */
713 .quad sys_setresgid /* 210 */
718 .quad sys_setfsuid /* 215 */
723 .quad compat_sys_getdents64 /* 220 getdents64 */
724 .quad compat_sys_fcntl64
725 .quad quiet_ni_syscall /* tux */
726 .quad quiet_ni_syscall /* security */
728 .quad sys32_readahead /* 225 */
733 .quad sys_lgetxattr /* 230 */
738 .quad sys_removexattr /* 235 */
739 .quad sys_lremovexattr
740 .quad sys_fremovexattr
743 .quad compat_sys_futex /* 240 */
744 .quad compat_sys_sched_setaffinity
745 .quad compat_sys_sched_getaffinity
746 .quad sys_set_thread_area
747 .quad sys_get_thread_area
748 .quad compat_sys_io_setup /* 245 */
750 .quad compat_sys_io_getevents
751 .quad compat_sys_io_submit
753 .quad sys32_fadvise64 /* 250 */
754 .quad quiet_ni_syscall /* free_huge_pages */
756 .quad sys32_lookup_dcookie
757 .quad sys_epoll_create
758 .quad sys_epoll_ctl /* 255 */
760 .quad sys_remap_file_pages
761 .quad sys_set_tid_address
762 .quad compat_sys_timer_create
763 .quad compat_sys_timer_settime /* 260 */
764 .quad compat_sys_timer_gettime
765 .quad sys_timer_getoverrun
766 .quad sys_timer_delete
767 .quad compat_sys_clock_settime
768 .quad compat_sys_clock_gettime /* 265 */
769 .quad compat_sys_clock_getres
770 .quad compat_sys_clock_nanosleep
771 .quad compat_sys_statfs64
772 .quad compat_sys_fstatfs64
773 .quad sys_tgkill /* 270 */
774 .quad compat_sys_utimes
775 .quad sys32_fadvise64_64
776 .quad quiet_ni_syscall /* sys_vserver */
778 .quad compat_sys_get_mempolicy /* 275 */
779 .quad sys_set_mempolicy
780 .quad compat_sys_mq_open
782 .quad compat_sys_mq_timedsend
783 .quad compat_sys_mq_timedreceive /* 280 */
784 .quad compat_sys_mq_notify
785 .quad compat_sys_mq_getsetattr
786 .quad compat_sys_kexec_load /* reserved for kexec */
787 .quad compat_sys_waitid
788 .quad quiet_ni_syscall /* 285: sys_altroot */
790 .quad sys_request_key
793 .quad sys_ioprio_get /* 290 */
794 .quad sys_inotify_init
795 .quad sys_inotify_add_watch
796 .quad sys_inotify_rm_watch
797 .quad sys_migrate_pages
798 .quad compat_sys_openat /* 295 */
802 .quad compat_sys_futimesat
803 .quad sys32_fstatat /* 300 */
808 .quad sys_readlinkat /* 305 */
811 .quad compat_sys_pselect6
812 .quad compat_sys_ppoll
813 .quad sys_unshare /* 310 */
814 .quad compat_sys_set_robust_list
815 .quad compat_sys_get_robust_list
817 .quad sys32_sync_file_range
818 .quad sys_tee /* 315 */
819 .quad compat_sys_vmsplice
820 .quad compat_sys_move_pages
822 .quad sys_epoll_pwait
823 .quad compat_sys_utimensat /* 320 */
824 .quad compat_sys_signalfd
825 .quad sys_timerfd_create
827 .quad sys32_fallocate
828 .quad compat_sys_timerfd_settime /* 325 */
829 .quad compat_sys_timerfd_gettime
830 .quad compat_sys_signalfd4
832 .quad sys_epoll_create1
833 .quad sys_dup3 /* 330 */
835 .quad sys_inotify_init1
836 .quad compat_sys_preadv
837 .quad compat_sys_pwritev
838 .quad compat_sys_rt_tgsigqueueinfo /* 335 */
839 .quad sys_perf_event_open
840 .quad compat_sys_recvmmsg
841 .quad sys_fanotify_init
842 .quad sys32_fanotify_mark
843 .quad sys_prlimit64 /* 340 */
844 .quad sys_name_to_handle_at
845 .quad compat_sys_open_by_handle_at
846 .quad compat_sys_clock_adjtime
848 .quad compat_sys_sendmmsg /* 345 */
850 .quad compat_sys_process_vm_readv
851 .quad compat_sys_process_vm_writev