| blob | a505202086e8741a916e696ccfb664d3f3e0f8ef |
1 /*
2 * Compatibility mode system call entry point for x86-64.
3 *
4 * Copyright 2000-2002 Andi Kleen, SuSE Labs.
5 */
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>
18 /* Avoid __ASSEMBLER__'ifying <linux/audit.h> just for this. */
19 #include <linux/elf-em.h>
20 #define AUDIT_ARCH_I386 (EM_386|__AUDIT_ARCH_LE)
21 #define __AUDIT_ARCH_LE 0x40000000
23 #ifndef CONFIG_AUDITSYSCALL
24 #define sysexit_audit int_ret_from_sys_call
25 #define sysretl_audit int_ret_from_sys_call
26 #endif
28 #define IA32_NR_syscalls ((ia32_syscall_end - ia32_sys_call_table)/8)
30 .macro IA32_ARG_FIXUP noebp=0
31 movl %edi,%r8d
32 .if \noebp
33 .else
34 movl %ebp,%r9d
35 .endif
36 xchg %ecx,%esi
37 movl %ebx,%edi
38 movl %edx,%edx /* zero extension */
39 .endm
41 /* clobbers %eax */
42 .macro CLEAR_RREGS _r9=rax
43 xorl %eax,%eax
44 movq %rax,R11(%rsp)
45 movq %rax,R10(%rsp)
46 movq %\_r9,R9(%rsp)
47 movq %rax,R8(%rsp)
48 .endm
50 /*
51 * Reload arg registers from stack in case ptrace changed them.
52 * We don't reload %eax because syscall_trace_enter() returned
53 * the value it wants us to use in the table lookup.
54 */
55 .macro LOAD_ARGS32 offset, _r9=0
56 .if \_r9
57 movl \offset+16(%rsp),%r9d
58 .endif
59 movl \offset+40(%rsp),%ecx
60 movl \offset+48(%rsp),%edx
61 movl \offset+56(%rsp),%esi
62 movl \offset+64(%rsp),%edi
63 .endm
65 .macro CFI_STARTPROC32 simple
66 CFI_STARTPROC \simple
67 CFI_UNDEFINED r8
68 CFI_UNDEFINED r9
69 CFI_UNDEFINED r10
70 CFI_UNDEFINED r11
71 CFI_UNDEFINED r12
72 CFI_UNDEFINED r13
73 CFI_UNDEFINED r14
74 CFI_UNDEFINED r15
75 .endm
77 #ifdef CONFIG_PARAVIRT
78 ENTRY(native_usergs_sysret32)
79 swapgs
80 sysretl
81 ENDPROC(native_usergs_sysret32)
83 ENTRY(native_irq_enable_sysexit)
84 swapgs
85 sti
86 sysexit
87 ENDPROC(native_irq_enable_sysexit)
88 #endif
90 /*
91 * 32bit SYSENTER instruction entry.
92 *
93 * Arguments:
94 * %eax System call number.
95 * %ebx Arg1
96 * %ecx Arg2
97 * %edx Arg3
98 * %esi Arg4
99 * %edi Arg5
100 * %ebp user stack
101 * 0(%ebp) Arg6
102 *
103 * Interrupts off.
104 *
105 * This is purely a fast path. For anything complicated we use the int 0x80
106 * path below. Set up a complete hardware stack frame to share code
107 * with the int 0x80 path.
108 */
109 ENTRY(ia32_sysenter_target)
110 CFI_STARTPROC32 simple
111 CFI_SIGNAL_FRAME
112 CFI_DEF_CFA rsp,0
113 CFI_REGISTER rsp,rbp
114 SWAPGS_UNSAFE_STACK
115 movq PER_CPU_VAR(kernel_stack), %rsp
116 addq $(KERNEL_STACK_OFFSET),%rsp
117 /*
118 * No need to follow this irqs on/off section: the syscall
119 * disabled irqs, here we enable it straight after entry:
120 */
121 ENABLE_INTERRUPTS(CLBR_NONE)
122 movl %ebp,%ebp /* zero extension */
123 pushq $__USER32_DS
124 CFI_ADJUST_CFA_OFFSET 8
125 /*CFI_REL_OFFSET ss,0*/
126 pushq %rbp
127 CFI_ADJUST_CFA_OFFSET 8
128 CFI_REL_OFFSET rsp,0
129 pushfq
130 CFI_ADJUST_CFA_OFFSET 8
131 /*CFI_REL_OFFSET rflags,0*/
132 movl 8*3-THREAD_SIZE+TI_sysenter_return(%rsp), %r10d
133 CFI_REGISTER rip,r10
134 pushq $__USER32_CS
135 CFI_ADJUST_CFA_OFFSET 8
136 /*CFI_REL_OFFSET cs,0*/
137 movl %eax, %eax
138 pushq %r10
139 CFI_ADJUST_CFA_OFFSET 8
140 CFI_REL_OFFSET rip,0
141 pushq %rax
142 CFI_ADJUST_CFA_OFFSET 8
143 cld
144 SAVE_ARGS 0,0,1
145 /* no need to do an access_ok check here because rbp has been
146 32bit zero extended */
147 1: movl (%rbp),%ebp
148 .section __ex_table,"a"
149 .quad 1b,ia32_badarg
150 .previous
151 GET_THREAD_INFO(%r10)
152 orl $TS_COMPAT,TI_status(%r10)
153 testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r10)
154 CFI_REMEMBER_STATE
155 jnz sysenter_tracesys
156 cmpl $(IA32_NR_syscalls-1),%eax
157 ja ia32_badsys
158 sysenter_do_call:
159 IA32_ARG_FIXUP
160 sysenter_dispatch:
161 call *ia32_sys_call_table(,%rax,8)
162 movq %rax,RAX-ARGOFFSET(%rsp)
163 GET_THREAD_INFO(%r10)
164 DISABLE_INTERRUPTS(CLBR_NONE)
165 TRACE_IRQS_OFF
166 testl $_TIF_ALLWORK_MASK,TI_flags(%r10)
167 jnz sysexit_audit
168 sysexit_from_sys_call:
169 andl $~TS_COMPAT,TI_status(%r10)
170 /* clear IF, that popfq doesn't enable interrupts early */
171 andl $~0x200,EFLAGS-R11(%rsp)
172 movl RIP-R11(%rsp),%edx /* User %eip */
173 CFI_REGISTER rip,rdx
174 RESTORE_ARGS 1,24,1,1,1,1
175 popfq
176 CFI_ADJUST_CFA_OFFSET -8
177 /*CFI_RESTORE rflags*/
178 popq %rcx /* User %esp */
179 CFI_ADJUST_CFA_OFFSET -8
180 CFI_REGISTER rsp,rcx
181 TRACE_IRQS_ON
182 ENABLE_INTERRUPTS_SYSEXIT32
184 #ifdef CONFIG_AUDITSYSCALL
185 .macro auditsys_entry_common
186 movl %esi,%r9d /* 6th arg: 4th syscall arg */
187 movl %edx,%r8d /* 5th arg: 3rd syscall arg */
188 /* (already in %ecx) 4th arg: 2nd syscall arg */
189 movl %ebx,%edx /* 3rd arg: 1st syscall arg */
190 movl %eax,%esi /* 2nd arg: syscall number */
191 movl $AUDIT_ARCH_I386,%edi /* 1st arg: audit arch */
192 call audit_syscall_entry
193 movl RAX-ARGOFFSET(%rsp),%eax /* reload syscall number */
194 cmpl $(IA32_NR_syscalls-1),%eax
195 ja ia32_badsys
196 movl %ebx,%edi /* reload 1st syscall arg */
197 movl RCX-ARGOFFSET(%rsp),%esi /* reload 2nd syscall arg */
198 movl RDX-ARGOFFSET(%rsp),%edx /* reload 3rd syscall arg */
199 movl RSI-ARGOFFSET(%rsp),%ecx /* reload 4th syscall arg */
200 movl RDI-ARGOFFSET(%rsp),%r8d /* reload 5th syscall arg */
201 .endm
203 .macro auditsys_exit exit,ebpsave=RBP
204 testl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),TI_flags(%r10)
205 jnz int_ret_from_sys_call
206 TRACE_IRQS_ON
207 sti
208 movl %eax,%esi /* second arg, syscall return value */
209 cmpl $0,%eax /* is it < 0? */
210 setl %al /* 1 if so, 0 if not */
211 movzbl %al,%edi /* zero-extend that into %edi */
212 inc %edi /* first arg, 0->1(AUDITSC_SUCCESS), 1->2(AUDITSC_FAILURE) */
213 call audit_syscall_exit
214 GET_THREAD_INFO(%r10)
215 movl RAX-ARGOFFSET(%rsp),%eax /* reload syscall return value */
216 movl \ebpsave-ARGOFFSET(%rsp),%ebp /* reload user register value */
217 movl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),%edi
218 cli
219 TRACE_IRQS_OFF
220 testl %edi,TI_flags(%r10)
221 jnz int_with_check
222 jmp \exit
223 .endm
225 sysenter_auditsys:
226 CFI_RESTORE_STATE
227 auditsys_entry_common
228 movl %ebp,%r9d /* reload 6th syscall arg */
229 jmp sysenter_dispatch
231 sysexit_audit:
232 auditsys_exit sysexit_from_sys_call
233 #endif
235 sysenter_tracesys:
236 #ifdef CONFIG_AUDITSYSCALL
237 testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags(%r10)
238 jz sysenter_auditsys
239 #endif
240 SAVE_REST
241 CLEAR_RREGS
242 movq $-ENOSYS,RAX(%rsp)/* ptrace can change this for a bad syscall */
243 movq %rsp,%rdi /* &pt_regs -> arg1 */
244 call syscall_trace_enter
245 LOAD_ARGS32 ARGOFFSET /* reload args from stack in case ptrace changed it */
246 RESTORE_REST
247 cmpl $(IA32_NR_syscalls-1),%eax
248 ja int_ret_from_sys_call /* sysenter_tracesys has set RAX(%rsp) */
249 jmp sysenter_do_call
250 CFI_ENDPROC
251 ENDPROC(ia32_sysenter_target)
253 /*
254 * 32bit SYSCALL instruction entry.
255 *
256 * Arguments:
257 * %eax System call number.
258 * %ebx Arg1
259 * %ecx return EIP
260 * %edx Arg3
261 * %esi Arg4
262 * %edi Arg5
263 * %ebp Arg2 [note: not saved in the stack frame, should not be touched]
264 * %esp user stack
265 * 0(%esp) Arg6
266 *
267 * Interrupts off.
268 *
269 * This is purely a fast path. For anything complicated we use the int 0x80
270 * path below. Set up a complete hardware stack frame to share code
271 * with the int 0x80 path.
272 */
273 ENTRY(ia32_cstar_target)
274 CFI_STARTPROC32 simple
275 CFI_SIGNAL_FRAME
276 CFI_DEF_CFA rsp,KERNEL_STACK_OFFSET
277 CFI_REGISTER rip,rcx
278 /*CFI_REGISTER rflags,r11*/
279 SWAPGS_UNSAFE_STACK
280 movl %esp,%r8d
281 CFI_REGISTER rsp,r8
282 movq PER_CPU_VAR(kernel_stack),%rsp
283 /*
284 * No need to follow this irqs on/off section: the syscall
285 * disabled irqs and here we enable it straight after entry:
286 */
287 ENABLE_INTERRUPTS(CLBR_NONE)
288 SAVE_ARGS 8,1,1
289 movl %eax,%eax /* zero extension */
290 movq %rax,ORIG_RAX-ARGOFFSET(%rsp)
291 movq %rcx,RIP-ARGOFFSET(%rsp)
292 CFI_REL_OFFSET rip,RIP-ARGOFFSET
293 movq %rbp,RCX-ARGOFFSET(%rsp) /* this lies slightly to ptrace */
294 movl %ebp,%ecx
295 movq $__USER32_CS,CS-ARGOFFSET(%rsp)
296 movq $__USER32_DS,SS-ARGOFFSET(%rsp)
297 movq %r11,EFLAGS-ARGOFFSET(%rsp)
298 /*CFI_REL_OFFSET rflags,EFLAGS-ARGOFFSET*/
299 movq %r8,RSP-ARGOFFSET(%rsp)
300 CFI_REL_OFFSET rsp,RSP-ARGOFFSET
301 /* no need to do an access_ok check here because r8 has been
302 32bit zero extended */
303 /* hardware stack frame is complete now */
304 1: movl (%r8),%r9d
305 .section __ex_table,"a"
306 .quad 1b,ia32_badarg
307 .previous
308 GET_THREAD_INFO(%r10)
309 orl $TS_COMPAT,TI_status(%r10)
310 testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r10)
311 CFI_REMEMBER_STATE
312 jnz cstar_tracesys
313 cmpl $IA32_NR_syscalls-1,%eax
314 ja ia32_badsys
315 cstar_do_call:
316 IA32_ARG_FIXUP 1
317 cstar_dispatch:
318 call *ia32_sys_call_table(,%rax,8)
319 movq %rax,RAX-ARGOFFSET(%rsp)
320 GET_THREAD_INFO(%r10)
321 DISABLE_INTERRUPTS(CLBR_NONE)
322 TRACE_IRQS_OFF
323 testl $_TIF_ALLWORK_MASK,TI_flags(%r10)
324 jnz sysretl_audit
325 sysretl_from_sys_call:
326 andl $~TS_COMPAT,TI_status(%r10)
327 RESTORE_ARGS 1,-ARG_SKIP,1,1,1
328 movl RIP-ARGOFFSET(%rsp),%ecx
329 CFI_REGISTER rip,rcx
330 movl EFLAGS-ARGOFFSET(%rsp),%r11d
331 /*CFI_REGISTER rflags,r11*/
332 TRACE_IRQS_ON
333 movl RSP-ARGOFFSET(%rsp),%esp
334 CFI_RESTORE rsp
335 USERGS_SYSRET32
337 #ifdef CONFIG_AUDITSYSCALL
338 cstar_auditsys:
339 CFI_RESTORE_STATE
340 movl %r9d,R9-ARGOFFSET(%rsp) /* register to be clobbered by call */
341 auditsys_entry_common
342 movl R9-ARGOFFSET(%rsp),%r9d /* reload 6th syscall arg */
343 jmp cstar_dispatch
345 sysretl_audit:
346 auditsys_exit sysretl_from_sys_call, RCX /* user %ebp in RCX slot */
347 #endif
349 cstar_tracesys:
350 #ifdef CONFIG_AUDITSYSCALL
351 testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags(%r10)
352 jz cstar_auditsys
353 #endif
354 xchgl %r9d,%ebp
355 SAVE_REST
356 CLEAR_RREGS r9
357 movq $-ENOSYS,RAX(%rsp) /* ptrace can change this for a bad syscall */
358 movq %rsp,%rdi /* &pt_regs -> arg1 */
359 call syscall_trace_enter
360 LOAD_ARGS32 ARGOFFSET, 1 /* reload args from stack in case ptrace changed it */
361 RESTORE_REST
362 xchgl %ebp,%r9d
363 cmpl $(IA32_NR_syscalls-1),%eax
364 ja int_ret_from_sys_call /* cstar_tracesys has set RAX(%rsp) */
365 jmp cstar_do_call
366 END(ia32_cstar_target)
368 ia32_badarg:
369 movq $-EFAULT,%rax
370 jmp ia32_sysret
371 CFI_ENDPROC
373 /*
374 * Emulated IA32 system calls via int 0x80.
375 *
376 * Arguments:
377 * %eax System call number.
378 * %ebx Arg1
379 * %ecx Arg2
380 * %edx Arg3
381 * %esi Arg4
382 * %edi Arg5
383 * %ebp Arg6 [note: not saved in the stack frame, should not be touched]
384 *
385 * Notes:
386 * Uses the same stack frame as the x86-64 version.
387 * All registers except %eax must be saved (but ptrace may violate that)
388 * Arguments are zero extended. For system calls that want sign extension and
389 * take long arguments a wrapper is needed. Most calls can just be called
390 * directly.
391 * Assumes it is only called from user space and entered with interrupts off.
392 */
394 ENTRY(ia32_syscall)
395 CFI_STARTPROC32 simple
396 CFI_SIGNAL_FRAME
397 CFI_DEF_CFA rsp,SS+8-RIP
398 /*CFI_REL_OFFSET ss,SS-RIP*/
399 CFI_REL_OFFSET rsp,RSP-RIP
400 /*CFI_REL_OFFSET rflags,EFLAGS-RIP*/
401 /*CFI_REL_OFFSET cs,CS-RIP*/
402 CFI_REL_OFFSET rip,RIP-RIP
403 PARAVIRT_ADJUST_EXCEPTION_FRAME
404 SWAPGS
405 /*
406 * No need to follow this irqs on/off section: the syscall
407 * disabled irqs and here we enable it straight after entry:
408 */
409 ENABLE_INTERRUPTS(CLBR_NONE)
410 movl %eax,%eax
411 pushq %rax
412 CFI_ADJUST_CFA_OFFSET 8
413 cld
414 /* note the registers are not zero extended to the sf.
415 this could be a problem. */
416 SAVE_ARGS 0,0,1
417 GET_THREAD_INFO(%r10)
418 orl $TS_COMPAT,TI_status(%r10)
419 testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r10)
420 jnz ia32_tracesys
421 cmpl $(IA32_NR_syscalls-1),%eax
422 ja ia32_badsys
423 ia32_do_call:
424 IA32_ARG_FIXUP
425 call *ia32_sys_call_table(,%rax,8) # xxx: rip relative
426 ia32_sysret:
427 movq %rax,RAX-ARGOFFSET(%rsp)
428 jmp int_ret_from_sys_call
430 ia32_tracesys:
431 SAVE_REST
432 CLEAR_RREGS
433 movq $-ENOSYS,RAX(%rsp) /* ptrace can change this for a bad syscall */
434 movq %rsp,%rdi /* &pt_regs -> arg1 */
435 call syscall_trace_enter
436 LOAD_ARGS32 ARGOFFSET /* reload args from stack in case ptrace changed it */
437 RESTORE_REST
438 cmpl $(IA32_NR_syscalls-1),%eax
439 ja int_ret_from_sys_call /* ia32_tracesys has set RAX(%rsp) */
440 jmp ia32_do_call
441 END(ia32_syscall)
443 ia32_badsys:
444 movq $0,ORIG_RAX-ARGOFFSET(%rsp)
445 movq $-ENOSYS,RAX-ARGOFFSET(%rsp)
446 jmp int_ret_from_sys_call
448 quiet_ni_syscall:
449 movq $-ENOSYS,%rax
450 ret
451 CFI_ENDPROC
453 .macro PTREGSCALL label, func, arg
454 .globl \label
455 \label:
456 leaq \func(%rip),%rax
457 leaq -ARGOFFSET+8(%rsp),\arg /* 8 for return address */
458 jmp ia32_ptregs_common
459 .endm
461 CFI_STARTPROC32
463 PTREGSCALL stub32_rt_sigreturn, sys32_rt_sigreturn, %rdi
464 PTREGSCALL stub32_sigreturn, sys32_sigreturn, %rdi
465 PTREGSCALL stub32_sigaltstack, sys32_sigaltstack, %rdx
466 PTREGSCALL stub32_execve, sys32_execve, %rcx
467 PTREGSCALL stub32_fork, sys_fork, %rdi
468 PTREGSCALL stub32_clone, sys32_clone, %rdx
469 PTREGSCALL stub32_vfork, sys_vfork, %rdi
470 PTREGSCALL stub32_iopl, sys_iopl, %rsi
472 ENTRY(ia32_ptregs_common)
473 popq %r11
474 CFI_ENDPROC
475 CFI_STARTPROC32 simple
476 CFI_SIGNAL_FRAME
477 CFI_DEF_CFA rsp,SS+8-ARGOFFSET
478 CFI_REL_OFFSET rax,RAX-ARGOFFSET
479 CFI_REL_OFFSET rcx,RCX-ARGOFFSET
480 CFI_REL_OFFSET rdx,RDX-ARGOFFSET
481 CFI_REL_OFFSET rsi,RSI-ARGOFFSET
482 CFI_REL_OFFSET rdi,RDI-ARGOFFSET
483 CFI_REL_OFFSET rip,RIP-ARGOFFSET
484 /* CFI_REL_OFFSET cs,CS-ARGOFFSET*/
485 /* CFI_REL_OFFSET rflags,EFLAGS-ARGOFFSET*/
486 CFI_REL_OFFSET rsp,RSP-ARGOFFSET
487 /* CFI_REL_OFFSET ss,SS-ARGOFFSET*/
488 SAVE_REST
489 call *%rax
490 RESTORE_REST
491 jmp ia32_sysret /* misbalances the return cache */
492 CFI_ENDPROC
493 END(ia32_ptregs_common)
495 .section .rodata,"a"
496 .align 8
497 ia32_sys_call_table:
498 .quad sys_restart_syscall
499 .quad sys_exit
500 .quad stub32_fork
501 .quad sys_read
502 .quad sys_write
503 .quad compat_sys_open /* 5 */
504 .quad sys_close
505 .quad sys32_waitpid
506 .quad sys_creat
507 .quad sys_link
508 .quad sys_unlink /* 10 */
509 .quad stub32_execve
510 .quad sys_chdir
511 .quad compat_sys_time
512 .quad sys_mknod
513 .quad sys_chmod /* 15 */
514 .quad sys_lchown16
515 .quad quiet_ni_syscall /* old break syscall holder */
516 .quad sys_stat
517 .quad sys32_lseek
518 .quad sys_getpid /* 20 */
519 .quad compat_sys_mount /* mount */
520 .quad sys_oldumount /* old_umount */
521 .quad sys_setuid16
522 .quad sys_getuid16
523 .quad compat_sys_stime /* stime */ /* 25 */
524 .quad compat_sys_ptrace /* ptrace */
525 .quad sys_alarm
526 .quad sys_fstat /* (old)fstat */
527 .quad sys_pause
528 .quad compat_sys_utime /* 30 */
529 .quad quiet_ni_syscall /* old stty syscall holder */
530 .quad quiet_ni_syscall /* old gtty syscall holder */
531 .quad sys_access
532 .quad sys_nice
533 .quad quiet_ni_syscall /* 35 */ /* old ftime syscall holder */
534 .quad sys_sync
535 .quad sys32_kill
536 .quad sys_rename
537 .quad sys_mkdir
538 .quad sys_rmdir /* 40 */
539 .quad sys_dup
540 .quad sys32_pipe
541 .quad compat_sys_times
542 .quad quiet_ni_syscall /* old prof syscall holder */
543 .quad sys_brk /* 45 */
544 .quad sys_setgid16
545 .quad sys_getgid16
546 .quad sys_signal
547 .quad sys_geteuid16
548 .quad sys_getegid16 /* 50 */
549 .quad sys_acct
550 .quad sys_umount /* new_umount */
551 .quad quiet_ni_syscall /* old lock syscall holder */
552 .quad compat_sys_ioctl
553 .quad compat_sys_fcntl64 /* 55 */
554 .quad quiet_ni_syscall /* old mpx syscall holder */
555 .quad sys_setpgid
556 .quad quiet_ni_syscall /* old ulimit syscall holder */
557 .quad sys32_olduname
558 .quad sys_umask /* 60 */
559 .quad sys_chroot
560 .quad compat_sys_ustat
561 .quad sys_dup2
562 .quad sys_getppid
563 .quad sys_getpgrp /* 65 */
564 .quad sys_setsid
565 .quad sys32_sigaction
566 .quad sys_sgetmask
567 .quad sys_ssetmask
568 .quad sys_setreuid16 /* 70 */
569 .quad sys_setregid16
570 .quad sys32_sigsuspend
571 .quad compat_sys_sigpending
572 .quad sys_sethostname
573 .quad compat_sys_setrlimit /* 75 */
574 .quad compat_sys_old_getrlimit /* old_getrlimit */
575 .quad compat_sys_getrusage
576 .quad compat_sys_gettimeofday
577 .quad compat_sys_settimeofday
578 .quad sys_getgroups16 /* 80 */
579 .quad sys_setgroups16
580 .quad sys32_old_select
581 .quad sys_symlink
582 .quad sys_lstat
583 .quad sys_readlink /* 85 */
584 .quad sys_uselib
585 .quad sys_swapon
586 .quad sys_reboot
587 .quad compat_sys_old_readdir
588 .quad sys32_mmap /* 90 */
589 .quad sys_munmap
590 .quad sys_truncate
591 .quad sys_ftruncate
592 .quad sys_fchmod
593 .quad sys_fchown16 /* 95 */
594 .quad sys_getpriority
595 .quad sys_setpriority
596 .quad quiet_ni_syscall /* old profil syscall holder */
597 .quad compat_sys_statfs
598 .quad compat_sys_fstatfs /* 100 */
599 .quad sys_ioperm
600 .quad compat_sys_socketcall
601 .quad sys_syslog
602 .quad compat_sys_setitimer
603 .quad compat_sys_getitimer /* 105 */
604 .quad compat_sys_newstat
605 .quad compat_sys_newlstat
606 .quad compat_sys_newfstat
607 .quad sys32_uname
608 .quad stub32_iopl /* 110 */
609 .quad sys_vhangup
610 .quad quiet_ni_syscall /* old "idle" system call */
611 .quad sys32_vm86_warning /* vm86old */
612 .quad compat_sys_wait4
613 .quad sys_swapoff /* 115 */
614 .quad compat_sys_sysinfo
615 .quad sys32_ipc
616 .quad sys_fsync
617 .quad stub32_sigreturn
618 .quad stub32_clone /* 120 */
619 .quad sys_setdomainname
620 .quad sys_uname
621 .quad sys_modify_ldt
622 .quad compat_sys_adjtimex
623 .quad sys32_mprotect /* 125 */
624 .quad compat_sys_sigprocmask
625 .quad quiet_ni_syscall /* create_module */
626 .quad sys_init_module
627 .quad sys_delete_module
628 .quad quiet_ni_syscall /* 130 get_kernel_syms */
629 .quad sys32_quotactl
630 .quad sys_getpgid
631 .quad sys_fchdir
632 .quad quiet_ni_syscall /* bdflush */
633 .quad sys_sysfs /* 135 */
634 .quad sys_personality
635 .quad quiet_ni_syscall /* for afs_syscall */
636 .quad sys_setfsuid16
637 .quad sys_setfsgid16
638 .quad sys_llseek /* 140 */
639 .quad compat_sys_getdents
640 .quad compat_sys_select
641 .quad sys_flock
642 .quad sys_msync
643 .quad compat_sys_readv /* 145 */
644 .quad compat_sys_writev
645 .quad sys_getsid
646 .quad sys_fdatasync
647 .quad sys32_sysctl /* sysctl */
648 .quad sys_mlock /* 150 */
649 .quad sys_munlock
650 .quad sys_mlockall
651 .quad sys_munlockall
652 .quad sys_sched_setparam
653 .quad sys_sched_getparam /* 155 */
654 .quad sys_sched_setscheduler
655 .quad sys_sched_getscheduler
656 .quad sys_sched_yield
657 .quad sys_sched_get_priority_max
658 .quad sys_sched_get_priority_min /* 160 */
659 .quad sys32_sched_rr_get_interval
660 .quad compat_sys_nanosleep
661 .quad sys_mremap
662 .quad sys_setresuid16
663 .quad sys_getresuid16 /* 165 */
664 .quad sys32_vm86_warning /* vm86 */
665 .quad quiet_ni_syscall /* query_module */
666 .quad sys_poll
667 .quad compat_sys_nfsservctl
668 .quad sys_setresgid16 /* 170 */
669 .quad sys_getresgid16
670 .quad sys_prctl
671 .quad stub32_rt_sigreturn
672 .quad sys32_rt_sigaction
673 .quad sys32_rt_sigprocmask /* 175 */
674 .quad sys32_rt_sigpending
675 .quad compat_sys_rt_sigtimedwait
676 .quad sys32_rt_sigqueueinfo
677 .quad sys_rt_sigsuspend
678 .quad sys32_pread /* 180 */
679 .quad sys32_pwrite
680 .quad sys_chown16
681 .quad sys_getcwd
682 .quad sys_capget
683 .quad sys_capset
684 .quad stub32_sigaltstack
685 .quad sys32_sendfile
686 .quad quiet_ni_syscall /* streams1 */
687 .quad quiet_ni_syscall /* streams2 */
688 .quad stub32_vfork /* 190 */
689 .quad compat_sys_getrlimit
690 .quad sys32_mmap2
691 .quad sys32_truncate64
692 .quad sys32_ftruncate64
693 .quad sys32_stat64 /* 195 */
694 .quad sys32_lstat64
695 .quad sys32_fstat64
696 .quad sys_lchown
697 .quad sys_getuid
698 .quad sys_getgid /* 200 */
699 .quad sys_geteuid
700 .quad sys_getegid
701 .quad sys_setreuid
702 .quad sys_setregid
703 .quad sys_getgroups /* 205 */
704 .quad sys_setgroups
705 .quad sys_fchown
706 .quad sys_setresuid
707 .quad sys_getresuid
708 .quad sys_setresgid /* 210 */
709 .quad sys_getresgid
710 .quad sys_chown
711 .quad sys_setuid
712 .quad sys_setgid
713 .quad sys_setfsuid /* 215 */
714 .quad sys_setfsgid
715 .quad sys_pivot_root
716 .quad sys_mincore
717 .quad sys_madvise
718 .quad compat_sys_getdents64 /* 220 getdents64 */
719 .quad compat_sys_fcntl64
720 .quad quiet_ni_syscall /* tux */
721 .quad quiet_ni_syscall /* security */
722 .quad sys_gettid
723 .quad sys32_readahead /* 225 */
724 .quad sys_setxattr
725 .quad sys_lsetxattr
726 .quad sys_fsetxattr
727 .quad sys_getxattr
728 .quad sys_lgetxattr /* 230 */
729 .quad sys_fgetxattr
730 .quad sys_listxattr
731 .quad sys_llistxattr
732 .quad sys_flistxattr
733 .quad sys_removexattr /* 235 */
734 .quad sys_lremovexattr
735 .quad sys_fremovexattr
736 .quad sys_tkill
737 .quad sys_sendfile64
738 .quad compat_sys_futex /* 240 */
739 .quad compat_sys_sched_setaffinity
740 .quad compat_sys_sched_getaffinity
741 .quad sys_set_thread_area
742 .quad sys_get_thread_area
743 .quad compat_sys_io_setup /* 245 */
744 .quad sys_io_destroy
745 .quad compat_sys_io_getevents
746 .quad compat_sys_io_submit
747 .quad sys_io_cancel
748 .quad sys32_fadvise64 /* 250 */
749 .quad quiet_ni_syscall /* free_huge_pages */
750 .quad sys_exit_group
751 .quad sys32_lookup_dcookie
752 .quad sys_epoll_create
753 .quad sys_epoll_ctl /* 255 */
754 .quad sys_epoll_wait
755 .quad sys_remap_file_pages
756 .quad sys_set_tid_address
757 .quad compat_sys_timer_create
758 .quad compat_sys_timer_settime /* 260 */
759 .quad compat_sys_timer_gettime
760 .quad sys_timer_getoverrun
761 .quad sys_timer_delete
762 .quad compat_sys_clock_settime
763 .quad compat_sys_clock_gettime /* 265 */
764 .quad compat_sys_clock_getres
765 .quad compat_sys_clock_nanosleep
766 .quad compat_sys_statfs64
767 .quad compat_sys_fstatfs64
768 .quad sys_tgkill /* 270 */
769 .quad compat_sys_utimes
770 .quad sys32_fadvise64_64
771 .quad quiet_ni_syscall /* sys_vserver */
772 .quad sys_mbind
773 .quad compat_sys_get_mempolicy /* 275 */
774 .quad sys_set_mempolicy
775 .quad compat_sys_mq_open
776 .quad sys_mq_unlink
777 .quad compat_sys_mq_timedsend
778 .quad compat_sys_mq_timedreceive /* 280 */
779 .quad compat_sys_mq_notify
780 .quad compat_sys_mq_getsetattr
781 .quad compat_sys_kexec_load /* reserved for kexec */
782 .quad compat_sys_waitid
783 .quad quiet_ni_syscall /* 285: sys_altroot */
784 .quad sys_add_key
785 .quad sys_request_key
786 .quad sys_keyctl
787 .quad sys_ioprio_set
788 .quad sys_ioprio_get /* 290 */
789 .quad sys_inotify_init
790 .quad sys_inotify_add_watch
791 .quad sys_inotify_rm_watch
792 .quad sys_migrate_pages
793 .quad compat_sys_openat /* 295 */
794 .quad sys_mkdirat
795 .quad sys_mknodat
796 .quad sys_fchownat
797 .quad compat_sys_futimesat
798 .quad sys32_fstatat /* 300 */
799 .quad sys_unlinkat
800 .quad sys_renameat
801 .quad sys_linkat
802 .quad sys_symlinkat
803 .quad sys_readlinkat /* 305 */
804 .quad sys_fchmodat
805 .quad sys_faccessat
806 .quad compat_sys_pselect6
807 .quad compat_sys_ppoll
808 .quad sys_unshare /* 310 */
809 .quad compat_sys_set_robust_list
810 .quad compat_sys_get_robust_list
811 .quad sys_splice
812 .quad sys32_sync_file_range
813 .quad sys_tee /* 315 */
814 .quad compat_sys_vmsplice
815 .quad compat_sys_move_pages
816 .quad sys_getcpu
817 .quad sys_epoll_pwait
818 .quad compat_sys_utimensat /* 320 */
819 .quad compat_sys_signalfd
820 .quad sys_timerfd_create
821 .quad sys_eventfd
822 .quad sys32_fallocate
823 .quad compat_sys_timerfd_settime /* 325 */
824 .quad compat_sys_timerfd_gettime
825 .quad compat_sys_signalfd4
826 .quad sys_eventfd2
827 .quad sys_epoll_create1
828 .quad sys_dup3 /* 330 */
829 .quad sys_pipe2
830 .quad sys_inotify_init1
831 .quad compat_sys_preadv
832 .quad compat_sys_pwritev
833 ia32_syscall_end: