| blob | 745bab210f3ab40c3683ef52133ffcae8420ebac |
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 ia32_ret_from_sys_call
25 #define sysretl_audit ia32_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 offset=0, _r9=rax
43 xorl %eax,%eax
44 movq %rax,\offset+R11(%rsp)
45 movq %rax,\offset+R10(%rsp)
46 movq %\_r9,\offset+R9(%rsp)
47 movq %rax,\offset+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 %rax value we should see. Instead, we just truncate that
54 * value to 32 bits again as we did on entry from user mode.
55 * If it's a new value set by user_regset during entry tracing,
56 * this matches the normal truncation of the user-mode value.
57 * If it's -1 to make us punt the syscall, then (u32)-1 is still
58 * an appropriately invalid value.
59 */
60 .macro LOAD_ARGS32 offset, _r9=0
61 .if \_r9
62 movl \offset+16(%rsp),%r9d
63 .endif
64 movl \offset+40(%rsp),%ecx
65 movl \offset+48(%rsp),%edx
66 movl \offset+56(%rsp),%esi
67 movl \offset+64(%rsp),%edi
68 movl %eax,%eax /* zero extension */
69 .endm
71 .macro CFI_STARTPROC32 simple
72 CFI_STARTPROC \simple
73 CFI_UNDEFINED r8
74 CFI_UNDEFINED r9
75 CFI_UNDEFINED r10
76 CFI_UNDEFINED r11
77 CFI_UNDEFINED r12
78 CFI_UNDEFINED r13
79 CFI_UNDEFINED r14
80 CFI_UNDEFINED r15
81 .endm
83 #ifdef CONFIG_PARAVIRT
84 ENTRY(native_usergs_sysret32)
85 swapgs
86 sysretl
87 ENDPROC(native_usergs_sysret32)
89 ENTRY(native_irq_enable_sysexit)
90 swapgs
91 sti
92 sysexit
93 ENDPROC(native_irq_enable_sysexit)
94 #endif
96 /*
97 * 32bit SYSENTER instruction entry.
98 *
99 * Arguments:
100 * %eax System call number.
101 * %ebx Arg1
102 * %ecx Arg2
103 * %edx Arg3
104 * %esi Arg4
105 * %edi Arg5
106 * %ebp user stack
107 * 0(%ebp) Arg6
108 *
109 * Interrupts off.
110 *
111 * This is purely a fast path. For anything complicated we use the int 0x80
112 * path below. Set up a complete hardware stack frame to share code
113 * with the int 0x80 path.
114 */
115 ENTRY(ia32_sysenter_target)
116 CFI_STARTPROC32 simple
117 CFI_SIGNAL_FRAME
118 CFI_DEF_CFA rsp,0
119 CFI_REGISTER rsp,rbp
120 SWAPGS_UNSAFE_STACK
121 movq %gs:pda_kernelstack, %rsp
122 addq $(PDA_STACKOFFSET),%rsp
123 /*
124 * No need to follow this irqs on/off section: the syscall
125 * disabled irqs, here we enable it straight after entry:
126 */
127 ENABLE_INTERRUPTS(CLBR_NONE)
128 movl %ebp,%ebp /* zero extension */
129 pushq $__USER32_DS
130 CFI_ADJUST_CFA_OFFSET 8
131 /*CFI_REL_OFFSET ss,0*/
132 pushq %rbp
133 CFI_ADJUST_CFA_OFFSET 8
134 CFI_REL_OFFSET rsp,0
135 pushfq
136 CFI_ADJUST_CFA_OFFSET 8
137 /*CFI_REL_OFFSET rflags,0*/
138 movl 8*3-THREAD_SIZE+TI_sysenter_return(%rsp), %r10d
139 CFI_REGISTER rip,r10
140 pushq $__USER32_CS
141 CFI_ADJUST_CFA_OFFSET 8
142 /*CFI_REL_OFFSET cs,0*/
143 movl %eax, %eax
144 pushq %r10
145 CFI_ADJUST_CFA_OFFSET 8
146 CFI_REL_OFFSET rip,0
147 pushq %rax
148 CFI_ADJUST_CFA_OFFSET 8
149 cld
150 SAVE_ARGS 0,0,1
151 /* no need to do an access_ok check here because rbp has been
152 32bit zero extended */
153 1: movl (%rbp),%ebp
154 .section __ex_table,"a"
155 .quad 1b,ia32_badarg
156 .previous
157 GET_THREAD_INFO(%r10)
158 orl $TS_COMPAT,TI_status(%r10)
159 testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r10)
160 CFI_REMEMBER_STATE
161 jnz sysenter_tracesys
162 cmpq $(IA32_NR_syscalls-1),%rax
163 ja ia32_badsys
164 sysenter_do_call:
165 IA32_ARG_FIXUP
166 sysenter_dispatch:
167 call *ia32_sys_call_table(,%rax,8)
168 movq %rax,RAX-ARGOFFSET(%rsp)
169 GET_THREAD_INFO(%r10)
170 DISABLE_INTERRUPTS(CLBR_NONE)
171 TRACE_IRQS_OFF
172 testl $_TIF_ALLWORK_MASK,TI_flags(%r10)
173 jnz sysexit_audit
174 sysexit_from_sys_call:
175 andl $~TS_COMPAT,TI_status(%r10)
176 /* clear IF, that popfq doesn't enable interrupts early */
177 andl $~0x200,EFLAGS-R11(%rsp)
178 movl RIP-R11(%rsp),%edx /* User %eip */
179 CFI_REGISTER rip,rdx
180 RESTORE_ARGS 1,24,1,1,1,1
181 xorq %r8,%r8
182 xorq %r9,%r9
183 xorq %r10,%r10
184 xorq %r11,%r11
185 popfq
186 CFI_ADJUST_CFA_OFFSET -8
187 /*CFI_RESTORE rflags*/
188 popq %rcx /* User %esp */
189 CFI_ADJUST_CFA_OFFSET -8
190 CFI_REGISTER rsp,rcx
191 TRACE_IRQS_ON
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
205 ja ia32_badsys
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 */
211 .endm
213 .macro auditsys_exit exit
214 testl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),TI_flags(%r10)
215 jnz ia32_ret_from_sys_call
216 TRACE_IRQS_ON
217 sti
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 cli
228 TRACE_IRQS_OFF
229 testl %edi,TI_flags(%r10)
230 jz \exit
231 CLEAR_RREGS -ARGOFFSET
232 jmp int_with_check
233 .endm
235 sysenter_auditsys:
236 CFI_RESTORE_STATE
237 auditsys_entry_common
238 movl %ebp,%r9d /* reload 6th syscall arg */
239 jmp sysenter_dispatch
241 sysexit_audit:
242 auditsys_exit sysexit_from_sys_call
243 #endif
245 sysenter_tracesys:
246 #ifdef CONFIG_AUDITSYSCALL
247 testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags(%r10)
248 jz sysenter_auditsys
249 #endif
250 SAVE_REST
251 CLEAR_RREGS
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 */
256 RESTORE_REST
257 cmpq $(IA32_NR_syscalls-1),%rax
258 ja int_ret_from_sys_call /* sysenter_tracesys has set RAX(%rsp) */
259 jmp sysenter_do_call
260 CFI_ENDPROC
261 ENDPROC(ia32_sysenter_target)
263 /*
264 * 32bit SYSCALL instruction entry.
265 *
266 * Arguments:
267 * %eax System call number.
268 * %ebx Arg1
269 * %ecx return EIP
270 * %edx Arg3
271 * %esi Arg4
272 * %edi Arg5
273 * %ebp Arg2 [note: not saved in the stack frame, should not be touched]
274 * %esp user stack
275 * 0(%esp) Arg6
276 *
277 * Interrupts off.
278 *
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.
282 */
283 ENTRY(ia32_cstar_target)
284 CFI_STARTPROC32 simple
285 CFI_SIGNAL_FRAME
286 CFI_DEF_CFA rsp,PDA_STACKOFFSET
287 CFI_REGISTER rip,rcx
288 /*CFI_REGISTER rflags,r11*/
289 SWAPGS_UNSAFE_STACK
290 movl %esp,%r8d
291 CFI_REGISTER rsp,r8
292 movq %gs:pda_kernelstack,%rsp
293 /*
294 * No need to follow this irqs on/off section: the syscall
295 * disabled irqs and here we enable it straight after entry:
296 */
297 ENABLE_INTERRUPTS(CLBR_NONE)
298 SAVE_ARGS 8,1,1
299 movl %eax,%eax /* zero extension */
300 movq %rax,ORIG_RAX-ARGOFFSET(%rsp)
301 movq %rcx,RIP-ARGOFFSET(%rsp)
302 CFI_REL_OFFSET rip,RIP-ARGOFFSET
303 movq %rbp,RCX-ARGOFFSET(%rsp) /* this lies slightly to ptrace */
304 movl %ebp,%ecx
305 movq $__USER32_CS,CS-ARGOFFSET(%rsp)
306 movq $__USER32_DS,SS-ARGOFFSET(%rsp)
307 movq %r11,EFLAGS-ARGOFFSET(%rsp)
308 /*CFI_REL_OFFSET rflags,EFLAGS-ARGOFFSET*/
309 movq %r8,RSP-ARGOFFSET(%rsp)
310 CFI_REL_OFFSET rsp,RSP-ARGOFFSET
311 /* no need to do an access_ok check here because r8 has been
312 32bit zero extended */
313 /* hardware stack frame is complete now */
314 1: movl (%r8),%r9d
315 .section __ex_table,"a"
316 .quad 1b,ia32_badarg
317 .previous
318 GET_THREAD_INFO(%r10)
319 orl $TS_COMPAT,TI_status(%r10)
320 testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r10)
321 CFI_REMEMBER_STATE
322 jnz cstar_tracesys
323 cmpq $IA32_NR_syscalls-1,%rax
324 ja ia32_badsys
325 cstar_do_call:
326 IA32_ARG_FIXUP 1
327 cstar_dispatch:
328 call *ia32_sys_call_table(,%rax,8)
329 movq %rax,RAX-ARGOFFSET(%rsp)
330 GET_THREAD_INFO(%r10)
331 DISABLE_INTERRUPTS(CLBR_NONE)
332 TRACE_IRQS_OFF
333 testl $_TIF_ALLWORK_MASK,TI_flags(%r10)
334 jnz sysretl_audit
335 sysretl_from_sys_call:
336 andl $~TS_COMPAT,TI_status(%r10)
337 RESTORE_ARGS 1,-ARG_SKIP,1,1,1
338 movl RIP-ARGOFFSET(%rsp),%ecx
339 CFI_REGISTER rip,rcx
340 movl EFLAGS-ARGOFFSET(%rsp),%r11d
341 /*CFI_REGISTER rflags,r11*/
342 xorq %r10,%r10
343 xorq %r9,%r9
344 xorq %r8,%r8
345 TRACE_IRQS_ON
346 movl RSP-ARGOFFSET(%rsp),%esp
347 CFI_RESTORE rsp
348 USERGS_SYSRET32
350 #ifdef CONFIG_AUDITSYSCALL
351 cstar_auditsys:
352 CFI_RESTORE_STATE
353 movl %r9d,R9-ARGOFFSET(%rsp) /* register to be clobbered by call */
354 auditsys_entry_common
355 movl R9-ARGOFFSET(%rsp),%r9d /* reload 6th syscall arg */
356 jmp cstar_dispatch
358 sysretl_audit:
359 auditsys_exit sysretl_from_sys_call
360 #endif
362 cstar_tracesys:
363 #ifdef CONFIG_AUDITSYSCALL
364 testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags(%r10)
365 jz cstar_auditsys
366 #endif
367 xchgl %r9d,%ebp
368 SAVE_REST
369 CLEAR_RREGS 0, r9
370 movq $-ENOSYS,RAX(%rsp) /* ptrace can change this for a bad syscall */
371 movq %rsp,%rdi /* &pt_regs -> arg1 */
372 call syscall_trace_enter
373 LOAD_ARGS32 ARGOFFSET, 1 /* reload args from stack in case ptrace changed it */
374 RESTORE_REST
375 xchgl %ebp,%r9d
376 cmpq $(IA32_NR_syscalls-1),%rax
377 ja int_ret_from_sys_call /* cstar_tracesys has set RAX(%rsp) */
378 jmp cstar_do_call
379 END(ia32_cstar_target)
381 ia32_badarg:
382 movq $-EFAULT,%rax
383 jmp ia32_sysret
384 CFI_ENDPROC
386 /*
387 * Emulated IA32 system calls via int 0x80.
388 *
389 * Arguments:
390 * %eax System call number.
391 * %ebx Arg1
392 * %ecx Arg2
393 * %edx Arg3
394 * %esi Arg4
395 * %edi Arg5
396 * %ebp Arg6 [note: not saved in the stack frame, should not be touched]
397 *
398 * Notes:
399 * Uses the same stack frame as the x86-64 version.
400 * All registers except %eax must be saved (but ptrace may violate that)
401 * Arguments are zero extended. For system calls that want sign extension and
402 * take long arguments a wrapper is needed. Most calls can just be called
403 * directly.
404 * Assumes it is only called from user space and entered with interrupts off.
405 */
407 ENTRY(ia32_syscall)
408 CFI_STARTPROC32 simple
409 CFI_SIGNAL_FRAME
410 CFI_DEF_CFA rsp,SS+8-RIP
411 /*CFI_REL_OFFSET ss,SS-RIP*/
412 CFI_REL_OFFSET rsp,RSP-RIP
413 /*CFI_REL_OFFSET rflags,EFLAGS-RIP*/
414 /*CFI_REL_OFFSET cs,CS-RIP*/
415 CFI_REL_OFFSET rip,RIP-RIP
416 PARAVIRT_ADJUST_EXCEPTION_FRAME
417 SWAPGS
418 /*
419 * No need to follow this irqs on/off section: the syscall
420 * disabled irqs and here we enable it straight after entry:
421 */
422 ENABLE_INTERRUPTS(CLBR_NONE)
423 movl %eax,%eax
424 pushq %rax
425 CFI_ADJUST_CFA_OFFSET 8
426 cld
427 /* note the registers are not zero extended to the sf.
428 this could be a problem. */
429 SAVE_ARGS 0,0,1
430 GET_THREAD_INFO(%r10)
431 orl $TS_COMPAT,TI_status(%r10)
432 testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r10)
433 jnz ia32_tracesys
434 cmpq $(IA32_NR_syscalls-1),%rax
435 ja ia32_badsys
436 ia32_do_call:
437 IA32_ARG_FIXUP
438 call *ia32_sys_call_table(,%rax,8) # xxx: rip relative
439 ia32_sysret:
440 movq %rax,RAX-ARGOFFSET(%rsp)
441 ia32_ret_from_sys_call:
442 CLEAR_RREGS -ARGOFFSET
443 jmp int_ret_from_sys_call
445 ia32_tracesys:
446 SAVE_REST
447 CLEAR_RREGS
448 movq $-ENOSYS,RAX(%rsp) /* ptrace can change this for a bad syscall */
449 movq %rsp,%rdi /* &pt_regs -> arg1 */
450 call syscall_trace_enter
451 LOAD_ARGS32 ARGOFFSET /* reload args from stack in case ptrace changed it */
452 RESTORE_REST
453 cmpq $(IA32_NR_syscalls-1),%rax
454 ja int_ret_from_sys_call /* ia32_tracesys has set RAX(%rsp) */
455 jmp ia32_do_call
456 END(ia32_syscall)
458 ia32_badsys:
459 movq $0,ORIG_RAX-ARGOFFSET(%rsp)
460 movq $-ENOSYS,%rax
461 jmp ia32_sysret
463 quiet_ni_syscall:
464 movq $-ENOSYS,%rax
465 ret
466 CFI_ENDPROC
468 .macro PTREGSCALL label, func, arg
469 .globl \label
470 \label:
471 leaq \func(%rip),%rax
472 leaq -ARGOFFSET+8(%rsp),\arg /* 8 for return address */
473 jmp ia32_ptregs_common
474 .endm
476 CFI_STARTPROC32
478 PTREGSCALL stub32_rt_sigreturn, sys32_rt_sigreturn, %rdi
479 PTREGSCALL stub32_sigreturn, sys32_sigreturn, %rdi
480 PTREGSCALL stub32_sigaltstack, sys32_sigaltstack, %rdx
481 PTREGSCALL stub32_execve, sys32_execve, %rcx
482 PTREGSCALL stub32_fork, sys_fork, %rdi
483 PTREGSCALL stub32_clone, sys32_clone, %rdx
484 PTREGSCALL stub32_vfork, sys_vfork, %rdi
485 PTREGSCALL stub32_iopl, sys_iopl, %rsi
487 ENTRY(ia32_ptregs_common)
488 popq %r11
489 CFI_ENDPROC
490 CFI_STARTPROC32 simple
491 CFI_SIGNAL_FRAME
492 CFI_DEF_CFA rsp,SS+8-ARGOFFSET
493 CFI_REL_OFFSET rax,RAX-ARGOFFSET
494 CFI_REL_OFFSET rcx,RCX-ARGOFFSET
495 CFI_REL_OFFSET rdx,RDX-ARGOFFSET
496 CFI_REL_OFFSET rsi,RSI-ARGOFFSET
497 CFI_REL_OFFSET rdi,RDI-ARGOFFSET
498 CFI_REL_OFFSET rip,RIP-ARGOFFSET
499 /* CFI_REL_OFFSET cs,CS-ARGOFFSET*/
500 /* CFI_REL_OFFSET rflags,EFLAGS-ARGOFFSET*/
501 CFI_REL_OFFSET rsp,RSP-ARGOFFSET
502 /* CFI_REL_OFFSET ss,SS-ARGOFFSET*/
503 SAVE_REST
504 call *%rax
505 RESTORE_REST
506 jmp ia32_sysret /* misbalances the return cache */
507 CFI_ENDPROC
508 END(ia32_ptregs_common)
510 .section .rodata,"a"
511 .align 8
512 ia32_sys_call_table:
513 .quad sys_restart_syscall
514 .quad sys_exit
515 .quad stub32_fork
516 .quad sys_read
517 .quad sys_write
518 .quad compat_sys_open /* 5 */
519 .quad sys_close
520 .quad sys32_waitpid
521 .quad sys_creat
522 .quad sys_link
523 .quad sys_unlink /* 10 */
524 .quad stub32_execve
525 .quad sys_chdir
526 .quad compat_sys_time
527 .quad sys_mknod
528 .quad sys_chmod /* 15 */
529 .quad sys_lchown16
530 .quad quiet_ni_syscall /* old break syscall holder */
531 .quad sys_stat
532 .quad sys32_lseek
533 .quad sys_getpid /* 20 */
534 .quad compat_sys_mount /* mount */
535 .quad sys_oldumount /* old_umount */
536 .quad sys_setuid16
537 .quad sys_getuid16
538 .quad compat_sys_stime /* stime */ /* 25 */
539 .quad compat_sys_ptrace /* ptrace */
540 .quad sys_alarm
541 .quad sys_fstat /* (old)fstat */
542 .quad sys_pause
543 .quad compat_sys_utime /* 30 */
544 .quad quiet_ni_syscall /* old stty syscall holder */
545 .quad quiet_ni_syscall /* old gtty syscall holder */
546 .quad sys_access
547 .quad sys_nice
548 .quad quiet_ni_syscall /* 35 */ /* old ftime syscall holder */
549 .quad sys_sync
550 .quad sys32_kill
551 .quad sys_rename
552 .quad sys_mkdir
553 .quad sys_rmdir /* 40 */
554 .quad sys_dup
555 .quad sys32_pipe
556 .quad compat_sys_times
557 .quad quiet_ni_syscall /* old prof syscall holder */
558 .quad sys_brk /* 45 */
559 .quad sys_setgid16
560 .quad sys_getgid16
561 .quad sys_signal
562 .quad sys_geteuid16
563 .quad sys_getegid16 /* 50 */
564 .quad sys_acct
565 .quad sys_umount /* new_umount */
566 .quad quiet_ni_syscall /* old lock syscall holder */
567 .quad compat_sys_ioctl
568 .quad compat_sys_fcntl64 /* 55 */
569 .quad quiet_ni_syscall /* old mpx syscall holder */
570 .quad sys_setpgid
571 .quad quiet_ni_syscall /* old ulimit syscall holder */
572 .quad sys32_olduname
573 .quad sys_umask /* 60 */
574 .quad sys_chroot
575 .quad sys32_ustat
576 .quad sys_dup2
577 .quad sys_getppid
578 .quad sys_getpgrp /* 65 */
579 .quad sys_setsid
580 .quad sys32_sigaction
581 .quad sys_sgetmask
582 .quad sys_ssetmask
583 .quad sys_setreuid16 /* 70 */
584 .quad sys_setregid16
585 .quad sys32_sigsuspend
586 .quad compat_sys_sigpending
587 .quad sys_sethostname
588 .quad compat_sys_setrlimit /* 75 */
589 .quad compat_sys_old_getrlimit /* old_getrlimit */
590 .quad compat_sys_getrusage
591 .quad sys32_gettimeofday
592 .quad sys32_settimeofday
593 .quad sys_getgroups16 /* 80 */
594 .quad sys_setgroups16
595 .quad sys32_old_select
596 .quad sys_symlink
597 .quad sys_lstat
598 .quad sys_readlink /* 85 */
599 .quad sys_uselib
600 .quad sys_swapon
601 .quad sys_reboot
602 .quad compat_sys_old_readdir
603 .quad sys32_mmap /* 90 */
604 .quad sys_munmap
605 .quad sys_truncate
606 .quad sys_ftruncate
607 .quad sys_fchmod
608 .quad sys_fchown16 /* 95 */
609 .quad sys_getpriority
610 .quad sys_setpriority
611 .quad quiet_ni_syscall /* old profil syscall holder */
612 .quad compat_sys_statfs
613 .quad compat_sys_fstatfs /* 100 */
614 .quad sys_ioperm
615 .quad compat_sys_socketcall
616 .quad sys_syslog
617 .quad compat_sys_setitimer
618 .quad compat_sys_getitimer /* 105 */
619 .quad compat_sys_newstat
620 .quad compat_sys_newlstat
621 .quad compat_sys_newfstat
622 .quad sys32_uname
623 .quad stub32_iopl /* 110 */
624 .quad sys_vhangup
625 .quad quiet_ni_syscall /* old "idle" system call */
626 .quad sys32_vm86_warning /* vm86old */
627 .quad compat_sys_wait4
628 .quad sys_swapoff /* 115 */
629 .quad compat_sys_sysinfo
630 .quad sys32_ipc
631 .quad sys_fsync
632 .quad stub32_sigreturn
633 .quad stub32_clone /* 120 */
634 .quad sys_setdomainname
635 .quad sys_uname
636 .quad sys_modify_ldt
637 .quad compat_sys_adjtimex
638 .quad sys32_mprotect /* 125 */
639 .quad compat_sys_sigprocmask
640 .quad quiet_ni_syscall /* create_module */
641 .quad sys_init_module
642 .quad sys_delete_module
643 .quad quiet_ni_syscall /* 130 get_kernel_syms */
644 .quad sys32_quotactl
645 .quad sys_getpgid
646 .quad sys_fchdir
647 .quad quiet_ni_syscall /* bdflush */
648 .quad sys_sysfs /* 135 */
649 .quad sys_personality
650 .quad quiet_ni_syscall /* for afs_syscall */
651 .quad sys_setfsuid16
652 .quad sys_setfsgid16
653 .quad sys_llseek /* 140 */
654 .quad compat_sys_getdents
655 .quad compat_sys_select
656 .quad sys_flock
657 .quad sys_msync
658 .quad compat_sys_readv /* 145 */
659 .quad compat_sys_writev
660 .quad sys_getsid
661 .quad sys_fdatasync
662 .quad sys32_sysctl /* sysctl */
663 .quad sys_mlock /* 150 */
664 .quad sys_munlock
665 .quad sys_mlockall
666 .quad sys_munlockall
667 .quad sys_sched_setparam
668 .quad sys_sched_getparam /* 155 */
669 .quad sys_sched_setscheduler
670 .quad sys_sched_getscheduler
671 .quad sys_sched_yield
672 .quad sys_sched_get_priority_max
673 .quad sys_sched_get_priority_min /* 160 */
674 .quad sys32_sched_rr_get_interval
675 .quad compat_sys_nanosleep
676 .quad sys_mremap
677 .quad sys_setresuid16
678 .quad sys_getresuid16 /* 165 */
679 .quad sys32_vm86_warning /* vm86 */
680 .quad quiet_ni_syscall /* query_module */
681 .quad sys_poll
682 .quad compat_sys_nfsservctl
683 .quad sys_setresgid16 /* 170 */
684 .quad sys_getresgid16
685 .quad sys_prctl
686 .quad stub32_rt_sigreturn
687 .quad sys32_rt_sigaction
688 .quad sys32_rt_sigprocmask /* 175 */
689 .quad sys32_rt_sigpending
690 .quad compat_sys_rt_sigtimedwait
691 .quad sys32_rt_sigqueueinfo
692 .quad sys_rt_sigsuspend
693 .quad sys32_pread /* 180 */
694 .quad sys32_pwrite
695 .quad sys_chown16
696 .quad sys_getcwd
697 .quad sys_capget
698 .quad sys_capset
699 .quad stub32_sigaltstack
700 .quad sys32_sendfile
701 .quad quiet_ni_syscall /* streams1 */
702 .quad quiet_ni_syscall /* streams2 */
703 .quad stub32_vfork /* 190 */
704 .quad compat_sys_getrlimit
705 .quad sys32_mmap2
706 .quad sys32_truncate64
707 .quad sys32_ftruncate64
708 .quad sys32_stat64 /* 195 */
709 .quad sys32_lstat64
710 .quad sys32_fstat64
711 .quad sys_lchown
712 .quad sys_getuid
713 .quad sys_getgid /* 200 */
714 .quad sys_geteuid
715 .quad sys_getegid
716 .quad sys_setreuid
717 .quad sys_setregid
718 .quad sys_getgroups /* 205 */
719 .quad sys_setgroups
720 .quad sys_fchown
721 .quad sys_setresuid
722 .quad sys_getresuid
723 .quad sys_setresgid /* 210 */
724 .quad sys_getresgid
725 .quad sys_chown
726 .quad sys_setuid
727 .quad sys_setgid
728 .quad sys_setfsuid /* 215 */
729 .quad sys_setfsgid
730 .quad sys_pivot_root
731 .quad sys_mincore
732 .quad sys_madvise
733 .quad compat_sys_getdents64 /* 220 getdents64 */
734 .quad compat_sys_fcntl64
735 .quad quiet_ni_syscall /* tux */
736 .quad quiet_ni_syscall /* security */
737 .quad sys_gettid
738 .quad sys32_readahead /* 225 */
739 .quad sys_setxattr
740 .quad sys_lsetxattr
741 .quad sys_fsetxattr
742 .quad sys_getxattr
743 .quad sys_lgetxattr /* 230 */
744 .quad sys_fgetxattr
745 .quad sys_listxattr
746 .quad sys_llistxattr
747 .quad sys_flistxattr
748 .quad sys_removexattr /* 235 */
749 .quad sys_lremovexattr
750 .quad sys_fremovexattr
751 .quad sys_tkill
752 .quad sys_sendfile64
753 .quad compat_sys_futex /* 240 */
754 .quad compat_sys_sched_setaffinity
755 .quad compat_sys_sched_getaffinity
756 .quad sys_set_thread_area
757 .quad sys_get_thread_area
758 .quad compat_sys_io_setup /* 245 */
759 .quad sys_io_destroy
760 .quad compat_sys_io_getevents
761 .quad compat_sys_io_submit
762 .quad sys_io_cancel
763 .quad sys32_fadvise64 /* 250 */
764 .quad quiet_ni_syscall /* free_huge_pages */
765 .quad sys_exit_group
766 .quad sys32_lookup_dcookie
767 .quad sys_epoll_create
768 .quad sys_epoll_ctl /* 255 */
769 .quad sys_epoll_wait
770 .quad sys_remap_file_pages
771 .quad sys_set_tid_address
772 .quad compat_sys_timer_create
773 .quad compat_sys_timer_settime /* 260 */
774 .quad compat_sys_timer_gettime
775 .quad sys_timer_getoverrun
776 .quad sys_timer_delete
777 .quad compat_sys_clock_settime
778 .quad compat_sys_clock_gettime /* 265 */
779 .quad compat_sys_clock_getres
780 .quad compat_sys_clock_nanosleep
781 .quad compat_sys_statfs64
782 .quad compat_sys_fstatfs64
783 .quad sys_tgkill /* 270 */
784 .quad compat_sys_utimes
785 .quad sys32_fadvise64_64
786 .quad quiet_ni_syscall /* sys_vserver */
787 .quad sys_mbind
788 .quad compat_sys_get_mempolicy /* 275 */
789 .quad sys_set_mempolicy
790 .quad compat_sys_mq_open
791 .quad sys_mq_unlink
792 .quad compat_sys_mq_timedsend
793 .quad compat_sys_mq_timedreceive /* 280 */
794 .quad compat_sys_mq_notify
795 .quad compat_sys_mq_getsetattr
796 .quad compat_sys_kexec_load /* reserved for kexec */
797 .quad compat_sys_waitid
798 .quad quiet_ni_syscall /* 285: sys_altroot */
799 .quad sys_add_key
800 .quad sys_request_key
801 .quad sys_keyctl
802 .quad sys_ioprio_set
803 .quad sys_ioprio_get /* 290 */
804 .quad sys_inotify_init
805 .quad sys_inotify_add_watch
806 .quad sys_inotify_rm_watch
807 .quad sys_migrate_pages
808 .quad compat_sys_openat /* 295 */
809 .quad sys_mkdirat
810 .quad sys_mknodat
811 .quad sys_fchownat
812 .quad compat_sys_futimesat
813 .quad sys32_fstatat /* 300 */
814 .quad sys_unlinkat
815 .quad sys_renameat
816 .quad sys_linkat
817 .quad sys_symlinkat
818 .quad sys_readlinkat /* 305 */
819 .quad sys_fchmodat
820 .quad sys_faccessat
821 .quad compat_sys_pselect6
822 .quad compat_sys_ppoll
823 .quad sys_unshare /* 310 */
824 .quad compat_sys_set_robust_list
825 .quad compat_sys_get_robust_list
826 .quad sys_splice
827 .quad sys32_sync_file_range
828 .quad sys_tee /* 315 */
829 .quad compat_sys_vmsplice
830 .quad compat_sys_move_pages
831 .quad sys_getcpu
832 .quad sys_epoll_pwait
833 .quad compat_sys_utimensat /* 320 */
834 .quad compat_sys_signalfd
835 .quad sys_timerfd_create
836 .quad sys_eventfd
837 .quad sys32_fallocate
838 .quad compat_sys_timerfd_settime /* 325 */
839 .quad compat_sys_timerfd_gettime
840 .quad compat_sys_signalfd4
841 .quad sys_eventfd2
842 .quad sys_epoll_create1
843 .quad sys_dup3 /* 330 */
844 .quad sys_pipe2
845 .quad sys_inotify_init1
846 ia32_syscall_end: