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fanotify: fanotify_init syscall implementation
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / x86 / ia32 / ia32entry.S
CommitLineData
1da177e4
LT		 1/*
2 * Compatibility mode system call entry point for x86-64.
3 *
4 * Copyright 2000-2002 Andi Kleen, SuSE Labs.
5 */
6
7#include <asm/dwarf2.h>
8#include <asm/calling.h>
e2d5df93 9#include <asm/asm-offsets.h>
1da177e4
LT		 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>
2601e64d 15#include <asm/irqflags.h>
1da177e4
LT		 16#include <linux/linkage.h>
17
5cbf1565
RM		 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
22
23#ifndef CONFIG_AUDITSYSCALL
24e35800
JB		 24#define sysexit_audit ia32_ret_from_sys_call
25#define sysretl_audit ia32_ret_from_sys_call
5cbf1565
RM		 26#endif
27
67d53ea5
AK		 28#define IA32_NR_syscalls ((ia32_syscall_end - ia32_sys_call_table)/8)
29
1da177e4
LT		 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
40
41 /* clobbers %eax */
24e35800 42 .macro CLEAR_RREGS offset=0, _r9=rax
1da177e4 43 xorl %eax,%eax
24e35800
JB		 44 movq %rax,\offset+R11(%rsp)
45 movq %rax,\offset+R10(%rsp)
46 movq %\_r9,\offset+R9(%rsp)
47 movq %rax,\offset+R8(%rsp)
1da177e4
LT		 48 .endm
49
d4d67150
RM		 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 */
295286a8
JB		 55 .macro LOAD_ARGS32 offset, _r9=0
56 .if \_r9
176df245 57 movl \offset+16(%rsp),%r9d
295286a8 58 .endif
176df245
AK		 59 movl \offset+40(%rsp),%ecx
60 movl \offset+48(%rsp),%edx
61 movl \offset+56(%rsp),%esi
62 movl \offset+64(%rsp),%edi
176df245
AK		 63 .endm
64
2765130b
JB		 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
76
2be29982
JF		 77#ifdef CONFIG_PARAVIRT
78ENTRY(native_usergs_sysret32)
79 swapgs
80 sysretl
81ENDPROC(native_usergs_sysret32)
82
83ENTRY(native_irq_enable_sysexit)
84 swapgs
85 sti
86 sysexit
87ENDPROC(native_irq_enable_sysexit)
88#endif
89
1da177e4
LT		 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 */
109ENTRY(ia32_sysenter_target)
2765130b 110 CFI_STARTPROC32 simple
adf14236 111 CFI_SIGNAL_FRAME
7effaa88
JB		 112 CFI_DEF_CFA rsp,0
113 CFI_REGISTER rsp,rbp
457da70e 114 SWAPGS_UNSAFE_STACK
9af45651
BG		 115 movq PER_CPU_VAR(kernel_stack), %rsp
116 addq $(KERNEL_STACK_OFFSET),%rsp
2601e64d
IM		 117 /*
118 * No need to follow this irqs on/off section: the syscall
119 * disabled irqs, here we enable it straight after entry:
120 */
66804154 121 ENABLE_INTERRUPTS(CLBR_NONE)
1da177e4
LT		 122 movl %ebp,%ebp /* zero extension */
123 pushq $__USER32_DS
7effaa88
JB		 124 CFI_ADJUST_CFA_OFFSET 8
125 /*CFI_REL_OFFSET ss,0*/
1da177e4 126 pushq %rbp
7effaa88
JB		 127 CFI_ADJUST_CFA_OFFSET 8
128 CFI_REL_OFFSET rsp,0
1da177e4 129 pushfq
7effaa88
JB		 130 CFI_ADJUST_CFA_OFFSET 8
131 /*CFI_REL_OFFSET rflags,0*/
26ccb8a7 132 movl 8*3-THREAD_SIZE+TI_sysenter_return(%rsp), %r10d
7effaa88 133 CFI_REGISTER rip,r10
1da177e4 134 pushq $__USER32_CS
7effaa88
JB		 135 CFI_ADJUST_CFA_OFFSET 8
136 /*CFI_REL_OFFSET cs,0*/
1da177e4
LT		 137 movl %eax, %eax
138 pushq %r10
7effaa88
JB		 139 CFI_ADJUST_CFA_OFFSET 8
140 CFI_REL_OFFSET rip,0
1da177e4 141 pushq %rax
7effaa88 142 CFI_ADJUST_CFA_OFFSET 8
1da177e4 143 cld
cdc1793e 144 SAVE_ARGS 0,0,1
1da177e4
LT		 145 /* no need to do an access_ok check here because rbp has been
146 32bit zero extended */
295286a8 1471: movl (%rbp),%ebp
1da177e4
LT		 148 .section __ex_table,"a"
149 .quad 1b,ia32_badarg
150 .previous
151 GET_THREAD_INFO(%r10)
26ccb8a7 152 orl $TS_COMPAT,TI_status(%r10)
d4d67150 153 testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r10)
7effaa88 154 CFI_REMEMBER_STATE
1da177e4 155 jnz sysenter_tracesys
67d53ea5
AK		 156 cmpl $(IA32_NR_syscalls-1),%eax
157 ja ia32_badsys
d4d67150 158sysenter_do_call:
295286a8 159 IA32_ARG_FIXUP
5cbf1565 160sysenter_dispatch:
1da177e4
LT		 161 call *ia32_sys_call_table(,%rax,8)
162 movq %rax,RAX-ARGOFFSET(%rsp)
163 GET_THREAD_INFO(%r10)
66804154 164 DISABLE_INTERRUPTS(CLBR_NONE)
2601e64d 165 TRACE_IRQS_OFF
26ccb8a7 166 testl $_TIF_ALLWORK_MASK,TI_flags(%r10)
5cbf1565
RM		 167 jnz sysexit_audit
168sysexit_from_sys_call:
26ccb8a7 169 andl $~TS_COMPAT,TI_status(%r10)
1da177e4
LT		 170 /* clear IF, that popfq doesn't enable interrupts early */
171 andl $~0x200,EFLAGS-R11(%rsp)
36197c92
RM		 172 movl RIP-R11(%rsp),%edx /* User %eip */
173 CFI_REGISTER rip,rdx
1da177e4 174 RESTORE_ARGS 1,24,1,1,1,1
24e35800
JB		 175 xorq %r8,%r8
176 xorq %r9,%r9
177 xorq %r10,%r10
178 xorq %r11,%r11
1da177e4 179 popfq
7effaa88
JB		 180 CFI_ADJUST_CFA_OFFSET -8
181 /*CFI_RESTORE rflags*/
1da177e4 182 popq %rcx /* User %esp */
7effaa88
JB		 183 CFI_ADJUST_CFA_OFFSET -8
184 CFI_REGISTER rsp,rcx
2601e64d 185 TRACE_IRQS_ON
2be29982 186 ENABLE_INTERRUPTS_SYSEXIT32
1da177e4 187
5cbf1565
RM		 188#ifdef CONFIG_AUDITSYSCALL
189 .macro auditsys_entry_common
190 movl %esi,%r9d /* 6th arg: 4th syscall arg */
191 movl %edx,%r8d /* 5th arg: 3rd syscall arg */
192 /* (already in %ecx) 4th arg: 2nd syscall arg */
193 movl %ebx,%edx /* 3rd arg: 1st syscall arg */
194 movl %eax,%esi /* 2nd arg: syscall number */
195 movl $AUDIT_ARCH_I386,%edi /* 1st arg: audit arch */
196 call audit_syscall_entry
197 movl RAX-ARGOFFSET(%rsp),%eax /* reload syscall number */
198 cmpl $(IA32_NR_syscalls-1),%eax
199 ja ia32_badsys
200 movl %ebx,%edi /* reload 1st syscall arg */
201 movl RCX-ARGOFFSET(%rsp),%esi /* reload 2nd syscall arg */
202 movl RDX-ARGOFFSET(%rsp),%edx /* reload 3rd syscall arg */
203 movl RSI-ARGOFFSET(%rsp),%ecx /* reload 4th syscall arg */
204 movl RDI-ARGOFFSET(%rsp),%r8d /* reload 5th syscall arg */
205 .endm
206
81766741 207 .macro auditsys_exit exit
5cbf1565 208 testl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),TI_flags(%r10)
24e35800 209 jnz ia32_ret_from_sys_call
5cbf1565
RM		 210 TRACE_IRQS_ON
211 sti
212 movl %eax,%esi /* second arg, syscall return value */
213 cmpl $0,%eax /* is it < 0? */
214 setl %al /* 1 if so, 0 if not */
215 movzbl %al,%edi /* zero-extend that into %edi */
216 inc %edi /* first arg, 0->1(AUDITSC_SUCCESS), 1->2(AUDITSC_FAILURE) */
217 call audit_syscall_exit
218 GET_THREAD_INFO(%r10)
219 movl RAX-ARGOFFSET(%rsp),%eax /* reload syscall return value */
5cbf1565
RM		 220 movl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),%edi
221 cli
222 TRACE_IRQS_OFF
223 testl %edi,TI_flags(%r10)
24e35800
JB		 224 jz \exit
225 CLEAR_RREGS -ARGOFFSET
226 jmp int_with_check
5cbf1565
RM		 227 .endm
228
229sysenter_auditsys:
7effaa88 230 CFI_RESTORE_STATE
5cbf1565
RM		 231 auditsys_entry_common
232 movl %ebp,%r9d /* reload 6th syscall arg */
233 jmp sysenter_dispatch
234
235sysexit_audit:
236 auditsys_exit sysexit_from_sys_call
237#endif
238
239sysenter_tracesys:
5cbf1565
RM		 240#ifdef CONFIG_AUDITSYSCALL
241 testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags(%r10)
242 jz sysenter_auditsys
243#endif
1da177e4
LT		 244 SAVE_REST
245 CLEAR_RREGS
48ee679a 246 movq $-ENOSYS,RAX(%rsp)/* ptrace can change this for a bad syscall */
1da177e4
LT		 247 movq %rsp,%rdi /* &pt_regs -> arg1 */
248 call syscall_trace_enter
176df245 249 LOAD_ARGS32 ARGOFFSET /* reload args from stack in case ptrace changed it */
1da177e4 250 RESTORE_REST
48ee679a
RM		 251 cmpl $(IA32_NR_syscalls-1),%eax
252 ja int_ret_from_sys_call /* sysenter_tracesys has set RAX(%rsp) */
1da177e4
LT		 253 jmp sysenter_do_call
254 CFI_ENDPROC
4b787e0b 255ENDPROC(ia32_sysenter_target)
1da177e4
LT		 256
257/*
258 * 32bit SYSCALL instruction entry.
259 *
260 * Arguments:
261 * %eax System call number.
262 * %ebx Arg1
263 * %ecx return EIP
264 * %edx Arg3
265 * %esi Arg4
266 * %edi Arg5
267 * %ebp Arg2 [note: not saved in the stack frame, should not be touched]
268 * %esp user stack
269 * 0(%esp) Arg6
270 *
271 * Interrupts off.
272 *
273 * This is purely a fast path. For anything complicated we use the int 0x80
274 * path below. Set up a complete hardware stack frame to share code
275 * with the int 0x80 path.
276 */
277ENTRY(ia32_cstar_target)
2765130b 278 CFI_STARTPROC32 simple
adf14236 279 CFI_SIGNAL_FRAME
9af45651 280 CFI_DEF_CFA rsp,KERNEL_STACK_OFFSET
7effaa88
JB		 281 CFI_REGISTER rip,rcx
282 /*CFI_REGISTER rflags,r11*/
457da70e 283 SWAPGS_UNSAFE_STACK
1da177e4 284 movl %esp,%r8d
7effaa88 285 CFI_REGISTER rsp,r8
9af45651 286 movq PER_CPU_VAR(kernel_stack),%rsp
2601e64d
IM		 287 /*
288 * No need to follow this irqs on/off section: the syscall
289 * disabled irqs and here we enable it straight after entry:
290 */
66804154 291 ENABLE_INTERRUPTS(CLBR_NONE)
1da177e4
LT		 292 SAVE_ARGS 8,1,1
293 movl %eax,%eax /* zero extension */
294 movq %rax,ORIG_RAX-ARGOFFSET(%rsp)
295 movq %rcx,RIP-ARGOFFSET(%rsp)
7effaa88 296 CFI_REL_OFFSET rip,RIP-ARGOFFSET
1da177e4
LT		 297 movq %rbp,RCX-ARGOFFSET(%rsp) /* this lies slightly to ptrace */
298 movl %ebp,%ecx
299 movq $__USER32_CS,CS-ARGOFFSET(%rsp)
300 movq $__USER32_DS,SS-ARGOFFSET(%rsp)
301 movq %r11,EFLAGS-ARGOFFSET(%rsp)
7effaa88 302 /*CFI_REL_OFFSET rflags,EFLAGS-ARGOFFSET*/
1da177e4 303 movq %r8,RSP-ARGOFFSET(%rsp)
7effaa88 304 CFI_REL_OFFSET rsp,RSP-ARGOFFSET
1da177e4
LT		 305 /* no need to do an access_ok check here because r8 has been
306 32bit zero extended */
307 /* hardware stack frame is complete now */
3081: movl (%r8),%r9d
309 .section __ex_table,"a"
310 .quad 1b,ia32_badarg
311 .previous
312 GET_THREAD_INFO(%r10)
26ccb8a7 313 orl $TS_COMPAT,TI_status(%r10)
d4d67150 314 testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r10)
7effaa88 315 CFI_REMEMBER_STATE
1da177e4 316 jnz cstar_tracesys
67d53ea5
AK		 317 cmpl $IA32_NR_syscalls-1,%eax
318 ja ia32_badsys
295286a8 319cstar_do_call:
1da177e4 320 IA32_ARG_FIXUP 1
5cbf1565 321cstar_dispatch:
1da177e4
LT		 322 call *ia32_sys_call_table(,%rax,8)
323 movq %rax,RAX-ARGOFFSET(%rsp)
324 GET_THREAD_INFO(%r10)
66804154 325 DISABLE_INTERRUPTS(CLBR_NONE)
2601e64d 326 TRACE_IRQS_OFF
26ccb8a7 327 testl $_TIF_ALLWORK_MASK,TI_flags(%r10)
5cbf1565
RM		 328 jnz sysretl_audit
329sysretl_from_sys_call:
26ccb8a7 330 andl $~TS_COMPAT,TI_status(%r10)
1da177e4
LT		 331 RESTORE_ARGS 1,-ARG_SKIP,1,1,1
332 movl RIP-ARGOFFSET(%rsp),%ecx
7effaa88 333 CFI_REGISTER rip,rcx
1da177e4 334 movl EFLAGS-ARGOFFSET(%rsp),%r11d
7effaa88 335 /*CFI_REGISTER rflags,r11*/
24e35800
JB		 336 xorq %r10,%r10
337 xorq %r9,%r9
338 xorq %r8,%r8
2601e64d 339 TRACE_IRQS_ON
1da177e4 340 movl RSP-ARGOFFSET(%rsp),%esp
7effaa88 341 CFI_RESTORE rsp
2be29982 342 USERGS_SYSRET32
1da177e4 343
5cbf1565
RM		 344#ifdef CONFIG_AUDITSYSCALL
345cstar_auditsys:
7effaa88 346 CFI_RESTORE_STATE
5cbf1565
RM		 347 movl %r9d,R9-ARGOFFSET(%rsp) /* register to be clobbered by call */
348 auditsys_entry_common
349 movl R9-ARGOFFSET(%rsp),%r9d /* reload 6th syscall arg */
350 jmp cstar_dispatch
351
352sysretl_audit:
81766741 353 auditsys_exit sysretl_from_sys_call
5cbf1565
RM		 354#endif
355
356cstar_tracesys:
357#ifdef CONFIG_AUDITSYSCALL
358 testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags(%r10)
359 jz cstar_auditsys
360#endif
ecd744ee 361 xchgl %r9d,%ebp
1da177e4 362 SAVE_REST
24e35800 363 CLEAR_RREGS 0, r9
48ee679a 364 movq $-ENOSYS,RAX(%rsp) /* ptrace can change this for a bad syscall */
1da177e4
LT		 365 movq %rsp,%rdi /* &pt_regs -> arg1 */
366 call syscall_trace_enter
295286a8 367 LOAD_ARGS32 ARGOFFSET, 1 /* reload args from stack in case ptrace changed it */
1da177e4 368 RESTORE_REST
ecd744ee 369 xchgl %ebp,%r9d
48ee679a
RM		 370 cmpl $(IA32_NR_syscalls-1),%eax
371 ja int_ret_from_sys_call /* cstar_tracesys has set RAX(%rsp) */
1da177e4 372 jmp cstar_do_call
4b787e0b 373END(ia32_cstar_target)
1da177e4
LT		 374
375ia32_badarg:
376 movq $-EFAULT,%rax
377 jmp ia32_sysret
378 CFI_ENDPROC
379
380/*
381 * Emulated IA32 system calls via int 0x80.
382 *
383 * Arguments:
384 * %eax System call number.
385 * %ebx Arg1
386 * %ecx Arg2
387 * %edx Arg3
388 * %esi Arg4
389 * %edi Arg5
390 * %ebp Arg6 [note: not saved in the stack frame, should not be touched]
391 *
392 * Notes:
393 * Uses the same stack frame as the x86-64 version.
394 * All registers except %eax must be saved (but ptrace may violate that)
395 * Arguments are zero extended. For system calls that want sign extension and
396 * take long arguments a wrapper is needed. Most calls can just be called
397 * directly.
398 * Assumes it is only called from user space and entered with interrupts off.
399 */
400
401ENTRY(ia32_syscall)
cdc1793e 402 CFI_STARTPROC32 simple
adf14236 403 CFI_SIGNAL_FRAME
7effaa88
JB		 404 CFI_DEF_CFA rsp,SS+8-RIP
405 /*CFI_REL_OFFSET ss,SS-RIP*/
406 CFI_REL_OFFSET rsp,RSP-RIP
407 /*CFI_REL_OFFSET rflags,EFLAGS-RIP*/
408 /*CFI_REL_OFFSET cs,CS-RIP*/
409 CFI_REL_OFFSET rip,RIP-RIP
360c044e 410 PARAVIRT_ADJUST_EXCEPTION_FRAME
66804154 411 SWAPGS
2601e64d
IM		 412 /*
413 * No need to follow this irqs on/off section: the syscall
414 * disabled irqs and here we enable it straight after entry:
415 */
66804154 416 ENABLE_INTERRUPTS(CLBR_NONE)
1da177e4
LT		 417 movl %eax,%eax
418 pushq %rax
7effaa88 419 CFI_ADJUST_CFA_OFFSET 8
1da177e4
LT		 420 cld
421 /* note the registers are not zero extended to the sf.
422 this could be a problem. */
423 SAVE_ARGS 0,0,1
424 GET_THREAD_INFO(%r10)
26ccb8a7 425 orl $TS_COMPAT,TI_status(%r10)
d4d67150 426 testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r10)
1da177e4 427 jnz ia32_tracesys
67d53ea5 428 cmpl $(IA32_NR_syscalls-1),%eax
c09249f8
RM		 429 ja ia32_badsys
430ia32_do_call:
1da177e4
LT		 431 IA32_ARG_FIXUP
432 call *ia32_sys_call_table(,%rax,8) # xxx: rip relative
433ia32_sysret:
434 movq %rax,RAX-ARGOFFSET(%rsp)
24e35800
JB		 435ia32_ret_from_sys_call:
436 CLEAR_RREGS -ARGOFFSET
1da177e4
LT		 437 jmp int_ret_from_sys_call
438
439ia32_tracesys:
440 SAVE_REST
cdc1793e 441 CLEAR_RREGS
8ab32bb8 442 movq $-ENOSYS,RAX(%rsp) /* ptrace can change this for a bad syscall */
1da177e4
LT		 443 movq %rsp,%rdi /* &pt_regs -> arg1 */
444 call syscall_trace_enter
176df245 445 LOAD_ARGS32 ARGOFFSET /* reload args from stack in case ptrace changed it */
1da177e4 446 RESTORE_REST
c09249f8
RM		 447 cmpl $(IA32_NR_syscalls-1),%eax
448 ja int_ret_from_sys_call /* ia32_tracesys has set RAX(%rsp) */
449 jmp ia32_do_call
4b787e0b 450END(ia32_syscall)
1da177e4
LT		 451
452ia32_badsys:
453 movq $0,ORIG_RAX-ARGOFFSET(%rsp)
24e35800
JB		 454 movq $-ENOSYS,%rax
455 jmp ia32_sysret
1da177e4 456
1da177e4
LT		 457quiet_ni_syscall:
458 movq $-ENOSYS,%rax
459 ret
460 CFI_ENDPROC
461
462 .macro PTREGSCALL label, func, arg
463 .globl \label
464\label:
465 leaq \func(%rip),%rax
466 leaq -ARGOFFSET+8(%rsp),\arg /* 8 for return address */
467 jmp ia32_ptregs_common
468 .endm
469
2765130b 470 CFI_STARTPROC32
7effaa88 471
1da177e4
LT		 472 PTREGSCALL stub32_rt_sigreturn, sys32_rt_sigreturn, %rdi
473 PTREGSCALL stub32_sigreturn, sys32_sigreturn, %rdi
474 PTREGSCALL stub32_sigaltstack, sys32_sigaltstack, %rdx
1da177e4
LT		 475 PTREGSCALL stub32_execve, sys32_execve, %rcx
476 PTREGSCALL stub32_fork, sys_fork, %rdi
477 PTREGSCALL stub32_clone, sys32_clone, %rdx
478 PTREGSCALL stub32_vfork, sys_vfork, %rdi
479 PTREGSCALL stub32_iopl, sys_iopl, %rsi
1da177e4
LT		 480
481ENTRY(ia32_ptregs_common)
1da177e4 482 popq %r11
2765130b
JB		 483 CFI_ENDPROC
484 CFI_STARTPROC32 simple
adf14236 485 CFI_SIGNAL_FRAME
2765130b
JB		 486 CFI_DEF_CFA rsp,SS+8-ARGOFFSET
487 CFI_REL_OFFSET rax,RAX-ARGOFFSET
488 CFI_REL_OFFSET rcx,RCX-ARGOFFSET
489 CFI_REL_OFFSET rdx,RDX-ARGOFFSET
490 CFI_REL_OFFSET rsi,RSI-ARGOFFSET
491 CFI_REL_OFFSET rdi,RDI-ARGOFFSET
492 CFI_REL_OFFSET rip,RIP-ARGOFFSET
493/* CFI_REL_OFFSET cs,CS-ARGOFFSET*/
494/* CFI_REL_OFFSET rflags,EFLAGS-ARGOFFSET*/
495 CFI_REL_OFFSET rsp,RSP-ARGOFFSET
496/* CFI_REL_OFFSET ss,SS-ARGOFFSET*/
1da177e4
LT		 497 SAVE_REST
498 call *%rax
499 RESTORE_REST
500 jmp ia32_sysret /* misbalances the return cache */
501 CFI_ENDPROC
4b787e0b 502END(ia32_ptregs_common)
1da177e4 503
bb152f53 504 .section .rodata,"a"
1da177e4 505 .align 8
1da177e4
LT		 506ia32_sys_call_table:
507 .quad sys_restart_syscall
508 .quad sys_exit
509 .quad stub32_fork
510 .quad sys_read
511 .quad sys_write
e922efc3 512 .quad compat_sys_open /* 5 */
1da177e4
LT		 513 .quad sys_close
514 .quad sys32_waitpid
515 .quad sys_creat
516 .quad sys_link
517 .quad sys_unlink /* 10 */
518 .quad stub32_execve
519 .quad sys_chdir
520 .quad compat_sys_time
521 .quad sys_mknod
522 .quad sys_chmod /* 15 */
523 .quad sys_lchown16
524 .quad quiet_ni_syscall /* old break syscall holder */
525 .quad sys_stat
526 .quad sys32_lseek
527 .quad sys_getpid /* 20 */
528 .quad compat_sys_mount /* mount */
529 .quad sys_oldumount /* old_umount */
530 .quad sys_setuid16
531 .quad sys_getuid16
532 .quad compat_sys_stime /* stime */ /* 25 */
562b80ba 533 .quad compat_sys_ptrace /* ptrace */
1da177e4
LT		 534 .quad sys_alarm
535 .quad sys_fstat /* (old)fstat */
536 .quad sys_pause
537 .quad compat_sys_utime /* 30 */
538 .quad quiet_ni_syscall /* old stty syscall holder */
539 .quad quiet_ni_syscall /* old gtty syscall holder */
540 .quad sys_access
541 .quad sys_nice
542 .quad quiet_ni_syscall /* 35 */ /* old ftime syscall holder */
543 .quad sys_sync
544 .quad sys32_kill
545 .quad sys_rename
546 .quad sys_mkdir
547 .quad sys_rmdir /* 40 */
548 .quad sys_dup
4c711576 549 .quad sys_pipe
1da177e4
LT		 550 .quad compat_sys_times
551 .quad quiet_ni_syscall /* old prof syscall holder */
552 .quad sys_brk /* 45 */
553 .quad sys_setgid16
554 .quad sys_getgid16
555 .quad sys_signal
556 .quad sys_geteuid16
557 .quad sys_getegid16 /* 50 */
558 .quad sys_acct
559 .quad sys_umount /* new_umount */
560 .quad quiet_ni_syscall /* old lock syscall holder */
561 .quad compat_sys_ioctl
562 .quad compat_sys_fcntl64 /* 55 */
563 .quad quiet_ni_syscall /* old mpx syscall holder */
564 .quad sys_setpgid
565 .quad quiet_ni_syscall /* old ulimit syscall holder */
5cacdb4a 566 .quad sys_olduname
1da177e4
LT		 567 .quad sys_umask /* 60 */
568 .quad sys_chroot
2b1c6bd7 569 .quad compat_sys_ustat
1da177e4
LT		 570 .quad sys_dup2
571 .quad sys_getppid
572 .quad sys_getpgrp /* 65 */
573 .quad sys_setsid
574 .quad sys32_sigaction
575 .quad sys_sgetmask
576 .quad sys_ssetmask
577 .quad sys_setreuid16 /* 70 */
578 .quad sys_setregid16
5f0120b5 579 .quad sys32_sigsuspend
1da177e4
LT		 580 .quad compat_sys_sigpending
581 .quad sys_sethostname
582 .quad compat_sys_setrlimit /* 75 */
583 .quad compat_sys_old_getrlimit /* old_getrlimit */
584 .quad compat_sys_getrusage
b418da16
CH		 585 .quad compat_sys_gettimeofday
586 .quad compat_sys_settimeofday
1da177e4
LT		 587 .quad sys_getgroups16 /* 80 */
588 .quad sys_setgroups16
5d0e5283 589 .quad compat_sys_old_select
1da177e4
LT		 590 .quad sys_symlink
591 .quad sys_lstat
592 .quad sys_readlink /* 85 */
1da177e4 593 .quad sys_uselib
1da177e4
LT		 594 .quad sys_swapon
595 .quad sys_reboot
596 .quad compat_sys_old_readdir
597 .quad sys32_mmap /* 90 */
598 .quad sys_munmap
599 .quad sys_truncate
600 .quad sys_ftruncate
601 .quad sys_fchmod
602 .quad sys_fchown16 /* 95 */
603 .quad sys_getpriority
604 .quad sys_setpriority
605 .quad quiet_ni_syscall /* old profil syscall holder */
606 .quad compat_sys_statfs
607 .quad compat_sys_fstatfs /* 100 */
608 .quad sys_ioperm
609 .quad compat_sys_socketcall
610 .quad sys_syslog
611 .quad compat_sys_setitimer
612 .quad compat_sys_getitimer /* 105 */
613 .quad compat_sys_newstat
614 .quad compat_sys_newlstat
615 .quad compat_sys_newfstat
5cacdb4a 616 .quad sys_uname
1da177e4
LT		 617 .quad stub32_iopl /* 110 */
618 .quad sys_vhangup
619 .quad quiet_ni_syscall /* old "idle" system call */
620 .quad sys32_vm86_warning /* vm86old */
621 .quad compat_sys_wait4
622 .quad sys_swapoff /* 115 */
d4d23add 623 .quad compat_sys_sysinfo
1da177e4
LT		 624 .quad sys32_ipc
625 .quad sys_fsync
626 .quad stub32_sigreturn
627 .quad stub32_clone /* 120 */
628 .quad sys_setdomainname
4cecd935 629 .quad sys_newuname
1da177e4 630 .quad sys_modify_ldt
3158e941 631 .quad compat_sys_adjtimex
1da177e4
LT		 632 .quad sys32_mprotect /* 125 */
633 .quad compat_sys_sigprocmask
634 .quad quiet_ni_syscall /* create_module */
635 .quad sys_init_module
636 .quad sys_delete_module
637 .quad quiet_ni_syscall /* 130 get_kernel_syms */
b716395e 638 .quad sys32_quotactl
1da177e4
LT		 639 .quad sys_getpgid
640 .quad sys_fchdir
641 .quad quiet_ni_syscall /* bdflush */
642 .quad sys_sysfs /* 135 */
643 .quad sys_personality
644 .quad quiet_ni_syscall /* for afs_syscall */
645 .quad sys_setfsuid16
646 .quad sys_setfsgid16
647 .quad sys_llseek /* 140 */
648 .quad compat_sys_getdents
649 .quad compat_sys_select
650 .quad sys_flock
651 .quad sys_msync
652 .quad compat_sys_readv /* 145 */
653 .quad compat_sys_writev
654 .quad sys_getsid
655 .quad sys_fdatasync
c3359fbc 656 .quad compat_sys_sysctl /* sysctl */
1da177e4
LT		 657 .quad sys_mlock /* 150 */
658 .quad sys_munlock
659 .quad sys_mlockall
660 .quad sys_munlockall
661 .quad sys_sched_setparam
662 .quad sys_sched_getparam /* 155 */
663 .quad sys_sched_setscheduler
664 .quad sys_sched_getscheduler
665 .quad sys_sched_yield
666 .quad sys_sched_get_priority_max
667 .quad sys_sched_get_priority_min /* 160 */
a9bc3bfd 668 .quad sys32_sched_rr_get_interval
1da177e4
LT		 669 .quad compat_sys_nanosleep
670 .quad sys_mremap
671 .quad sys_setresuid16
672 .quad sys_getresuid16 /* 165 */
673 .quad sys32_vm86_warning /* vm86 */
674 .quad quiet_ni_syscall /* query_module */
675 .quad sys_poll
676 .quad compat_sys_nfsservctl
677 .quad sys_setresgid16 /* 170 */
678 .quad sys_getresgid16
679 .quad sys_prctl
680 .quad stub32_rt_sigreturn
681 .quad sys32_rt_sigaction
682 .quad sys32_rt_sigprocmask /* 175 */
683 .quad sys32_rt_sigpending
684 .quad compat_sys_rt_sigtimedwait
685 .quad sys32_rt_sigqueueinfo
5f0120b5 686 .quad sys_rt_sigsuspend
1da177e4
LT		 687 .quad sys32_pread /* 180 */
688 .quad sys32_pwrite
689 .quad sys_chown16
690 .quad sys_getcwd
691 .quad sys_capget
692 .quad sys_capset
693 .quad stub32_sigaltstack
694 .quad sys32_sendfile
695 .quad quiet_ni_syscall /* streams1 */
696 .quad quiet_ni_syscall /* streams2 */
697 .quad stub32_vfork /* 190 */
698 .quad compat_sys_getrlimit
f8b72560 699 .quad sys_mmap_pgoff
1da177e4
LT		 700 .quad sys32_truncate64
701 .quad sys32_ftruncate64
702 .quad sys32_stat64 /* 195 */
703 .quad sys32_lstat64
704 .quad sys32_fstat64
705 .quad sys_lchown
706 .quad sys_getuid
707 .quad sys_getgid /* 200 */
708 .quad sys_geteuid
709 .quad sys_getegid
710 .quad sys_setreuid
711 .quad sys_setregid
712 .quad sys_getgroups /* 205 */
713 .quad sys_setgroups
714 .quad sys_fchown
715 .quad sys_setresuid
716 .quad sys_getresuid
717 .quad sys_setresgid /* 210 */
718 .quad sys_getresgid
719 .quad sys_chown
720 .quad sys_setuid
721 .quad sys_setgid
722 .quad sys_setfsuid /* 215 */
723 .quad sys_setfsgid
724 .quad sys_pivot_root
725 .quad sys_mincore
726 .quad sys_madvise
727 .quad compat_sys_getdents64 /* 220 getdents64 */
728 .quad compat_sys_fcntl64
729 .quad quiet_ni_syscall /* tux */
730 .quad quiet_ni_syscall /* security */
731 .quad sys_gettid
e412ac49 732 .quad sys32_readahead /* 225 */
1da177e4
LT		 733 .quad sys_setxattr
734 .quad sys_lsetxattr
735 .quad sys_fsetxattr
736 .quad sys_getxattr
737 .quad sys_lgetxattr /* 230 */
738 .quad sys_fgetxattr
739 .quad sys_listxattr
740 .quad sys_llistxattr
741 .quad sys_flistxattr
742 .quad sys_removexattr /* 235 */
743 .quad sys_lremovexattr
744 .quad sys_fremovexattr
745 .quad sys_tkill
746 .quad sys_sendfile64
747 .quad compat_sys_futex /* 240 */
748 .quad compat_sys_sched_setaffinity
749 .quad compat_sys_sched_getaffinity
efd1ca52
RM		 750 .quad sys_set_thread_area
751 .quad sys_get_thread_area
1da177e4
LT		 752 .quad compat_sys_io_setup /* 245 */
753 .quad sys_io_destroy
754 .quad compat_sys_io_getevents
755 .quad compat_sys_io_submit
756 .quad sys_io_cancel
e412ac49 757 .quad sys32_fadvise64 /* 250 */
1da177e4
LT		 758 .quad quiet_ni_syscall /* free_huge_pages */
759 .quad sys_exit_group
760 .quad sys32_lookup_dcookie
761 .quad sys_epoll_create
762 .quad sys_epoll_ctl /* 255 */
763 .quad sys_epoll_wait
764 .quad sys_remap_file_pages
765 .quad sys_set_tid_address
3a0f69d5 766 .quad compat_sys_timer_create
1da177e4
LT		 767 .quad compat_sys_timer_settime /* 260 */
768 .quad compat_sys_timer_gettime
769 .quad sys_timer_getoverrun
770 .quad sys_timer_delete
771 .quad compat_sys_clock_settime
772 .quad compat_sys_clock_gettime /* 265 */
773 .quad compat_sys_clock_getres
774 .quad compat_sys_clock_nanosleep
775 .quad compat_sys_statfs64
776 .quad compat_sys_fstatfs64
777 .quad sys_tgkill /* 270 */
778 .quad compat_sys_utimes
779 .quad sys32_fadvise64_64
780 .quad quiet_ni_syscall /* sys_vserver */
781 .quad sys_mbind
782 .quad compat_sys_get_mempolicy /* 275 */
783 .quad sys_set_mempolicy
784 .quad compat_sys_mq_open
785 .quad sys_mq_unlink
786 .quad compat_sys_mq_timedsend
787 .quad compat_sys_mq_timedreceive /* 280 */
788 .quad compat_sys_mq_notify
789 .quad compat_sys_mq_getsetattr
5234f5eb 790 .quad compat_sys_kexec_load /* reserved for kexec */
1da177e4 791 .quad compat_sys_waitid
725b38ab 792 .quad quiet_ni_syscall /* 285: sys_altroot */
1da177e4
LT		 793 .quad sys_add_key
794 .quad sys_request_key
795 .quad sys_keyctl
725b38ab
RL		 796 .quad sys_ioprio_set
797 .quad sys_ioprio_get /* 290 */
798 .quad sys_inotify_init
799 .quad sys_inotify_add_watch
800 .quad sys_inotify_rm_watch
39743889 801 .quad sys_migrate_pages
a60fc519
UD		 802 .quad compat_sys_openat /* 295 */
803 .quad sys_mkdirat
804 .quad sys_mknodat
805 .quad sys_fchownat
3833a705 806 .quad compat_sys_futimesat
cff2b760 807 .quad sys32_fstatat /* 300 */
a60fc519
UD		 808 .quad sys_unlinkat
809 .quad sys_renameat
810 .quad sys_linkat
811 .quad sys_symlinkat
812 .quad sys_readlinkat /* 305 */
813 .quad sys_fchmodat
814 .quad sys_faccessat
957dc87c
AK		 815 .quad compat_sys_pselect6
816 .quad compat_sys_ppoll
4b88f093 817 .quad sys_unshare /* 310 */
8fdd6c6d
IM		 818 .quad compat_sys_set_robust_list
819 .quad compat_sys_get_robust_list
b8feb47f 820 .quad sys_splice
e412ac49 821 .quad sys32_sync_file_range
1c710c89 822 .quad sys_tee /* 315 */
d2610202 823 .quad compat_sys_vmsplice
1b2db9fb 824 .quad compat_sys_move_pages
3cfc348b 825 .quad sys_getcpu
9af3cf05 826 .quad sys_epoll_pwait
1c710c89 827 .quad compat_sys_utimensat /* 320 */
ae7d5c86 828 .quad compat_sys_signalfd
cb9282ee 829 .quad sys_timerfd_create
fdb902b1 830 .quad sys_eventfd
97ac7350 831 .quad sys32_fallocate
cb9282ee
DL		 832 .quad compat_sys_timerfd_settime /* 325 */
833 .quad compat_sys_timerfd_gettime
9deb27ba 834 .quad compat_sys_signalfd4
b087498e 835 .quad sys_eventfd2
9fe5ad9c 836 .quad sys_epoll_create1
241771ef 837 .quad sys_dup3 /* 330 */
ed8cae8b 838 .quad sys_pipe2
4006553b 839 .quad sys_inotify_init1
f3554f4b
GH		 840 .quad compat_sys_preadv
841 .quad compat_sys_pwritev
12d16114 842 .quad compat_sys_rt_tgsigqueueinfo /* 335 */
cdd6c482 843 .quad sys_perf_event_open
a2e27255 844 .quad compat_sys_recvmmsg
11637e4b 845 .quad sys_fanotify_init
ae7d5c86 846ia32_syscall_end:
kernel source for telekom puls (alcatel/mediatek)