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[net-next-2.6.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
24#define sysexit_audit int_ret_from_sys_call
25#define sysretl_audit int_ret_from_sys_call
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 */
42 .macro CLEAR_RREGS
43 xorl %eax,%eax
44 movq %rax,R11(%rsp)
45 movq %rax,R10(%rsp)
46 movq %rax,R9(%rsp)
47 movq %rax,R8(%rsp)
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 */
176df245
AK		 55 .macro LOAD_ARGS32 offset
56 movl \offset(%rsp),%r11d
57 movl \offset+8(%rsp),%r10d
58 movl \offset+16(%rsp),%r9d
59 movl \offset+24(%rsp),%r8d
60 movl \offset+40(%rsp),%ecx
61 movl \offset+48(%rsp),%edx
62 movl \offset+56(%rsp),%esi
63 movl \offset+64(%rsp),%edi
176df245
AK		 64 .endm
65
2765130b
JB		 66 .macro CFI_STARTPROC32 simple
67 CFI_STARTPROC \simple
68 CFI_UNDEFINED r8
69 CFI_UNDEFINED r9
70 CFI_UNDEFINED r10
71 CFI_UNDEFINED r11
72 CFI_UNDEFINED r12
73 CFI_UNDEFINED r13
74 CFI_UNDEFINED r14
75 CFI_UNDEFINED r15
76 .endm
77
2be29982
JF		 78#ifdef CONFIG_PARAVIRT
79ENTRY(native_usergs_sysret32)
80 swapgs
81 sysretl
82ENDPROC(native_usergs_sysret32)
83
84ENTRY(native_irq_enable_sysexit)
85 swapgs
86 sti
87 sysexit
88ENDPROC(native_irq_enable_sysexit)
89#endif
90
1da177e4
LT		 91/*
92 * 32bit SYSENTER instruction entry.
93 *
94 * Arguments:
95 * %eax System call number.
96 * %ebx Arg1
97 * %ecx Arg2
98 * %edx Arg3
99 * %esi Arg4
100 * %edi Arg5
101 * %ebp user stack
102 * 0(%ebp) Arg6
103 *
104 * Interrupts off.
105 *
106 * This is purely a fast path. For anything complicated we use the int 0x80
107 * path below. Set up a complete hardware stack frame to share code
108 * with the int 0x80 path.
109 */
110ENTRY(ia32_sysenter_target)
2765130b 111 CFI_STARTPROC32 simple
adf14236 112 CFI_SIGNAL_FRAME
7effaa88
JB		 113 CFI_DEF_CFA rsp,0
114 CFI_REGISTER rsp,rbp
457da70e 115 SWAPGS_UNSAFE_STACK
1da177e4
LT		 116 movq %gs:pda_kernelstack, %rsp
117 addq $(PDA_STACKOFFSET),%rsp
2601e64d
IM		 118 /*
119 * No need to follow this irqs on/off section: the syscall
120 * disabled irqs, here we enable it straight after entry:
121 */
66804154 122 ENABLE_INTERRUPTS(CLBR_NONE)
1da177e4
LT		 123 movl %ebp,%ebp /* zero extension */
124 pushq $__USER32_DS
7effaa88
JB		 125 CFI_ADJUST_CFA_OFFSET 8
126 /*CFI_REL_OFFSET ss,0*/
1da177e4 127 pushq %rbp
7effaa88
JB		 128 CFI_ADJUST_CFA_OFFSET 8
129 CFI_REL_OFFSET rsp,0
1da177e4 130 pushfq
7effaa88
JB		 131 CFI_ADJUST_CFA_OFFSET 8
132 /*CFI_REL_OFFSET rflags,0*/
26ccb8a7 133 movl 8*3-THREAD_SIZE+TI_sysenter_return(%rsp), %r10d
7effaa88 134 CFI_REGISTER rip,r10
1da177e4 135 pushq $__USER32_CS
7effaa88
JB		 136 CFI_ADJUST_CFA_OFFSET 8
137 /*CFI_REL_OFFSET cs,0*/
1da177e4
LT		 138 movl %eax, %eax
139 pushq %r10
7effaa88
JB		 140 CFI_ADJUST_CFA_OFFSET 8
141 CFI_REL_OFFSET rip,0
1da177e4 142 pushq %rax
7effaa88 143 CFI_ADJUST_CFA_OFFSET 8
1da177e4 144 cld
cdc1793e 145 SAVE_ARGS 0,0,1
1da177e4
LT		 146 /* no need to do an access_ok check here because rbp has been
147 32bit zero extended */
1481: movl (%rbp),%r9d
149 .section __ex_table,"a"
150 .quad 1b,ia32_badarg
151 .previous
152 GET_THREAD_INFO(%r10)
26ccb8a7 153 orl $TS_COMPAT,TI_status(%r10)
d4d67150 154 testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r10)
7effaa88 155 CFI_REMEMBER_STATE
1da177e4 156 jnz sysenter_tracesys
67d53ea5
AK		 157 cmpl $(IA32_NR_syscalls-1),%eax
158 ja ia32_badsys
d4d67150 159sysenter_do_call:
1da177e4 160 IA32_ARG_FIXUP 1
5cbf1565 161sysenter_dispatch:
1da177e4
LT		 162 call *ia32_sys_call_table(,%rax,8)
163 movq %rax,RAX-ARGOFFSET(%rsp)
164 GET_THREAD_INFO(%r10)
66804154 165 DISABLE_INTERRUPTS(CLBR_NONE)
2601e64d 166 TRACE_IRQS_OFF
26ccb8a7 167 testl $_TIF_ALLWORK_MASK,TI_flags(%r10)
5cbf1565
RM		 168 jnz sysexit_audit
169sysexit_from_sys_call:
26ccb8a7 170 andl $~TS_COMPAT,TI_status(%r10)
1da177e4
LT		 171 /* clear IF, that popfq doesn't enable interrupts early */
172 andl $~0x200,EFLAGS-R11(%rsp)
36197c92
RM		 173 movl RIP-R11(%rsp),%edx /* User %eip */
174 CFI_REGISTER rip,rdx
1da177e4
LT		 175 RESTORE_ARGS 1,24,1,1,1,1
176 popfq
7effaa88
JB		 177 CFI_ADJUST_CFA_OFFSET -8
178 /*CFI_RESTORE rflags*/
1da177e4 179 popq %rcx /* User %esp */
7effaa88
JB		 180 CFI_ADJUST_CFA_OFFSET -8
181 CFI_REGISTER rsp,rcx
2601e64d 182 TRACE_IRQS_ON
2be29982 183 ENABLE_INTERRUPTS_SYSEXIT32
1da177e4 184
5cbf1565
RM		 185#ifdef CONFIG_AUDITSYSCALL
186 .macro auditsys_entry_common
187 movl %esi,%r9d /* 6th arg: 4th syscall arg */
188 movl %edx,%r8d /* 5th arg: 3rd syscall arg */
189 /* (already in %ecx) 4th arg: 2nd syscall arg */
190 movl %ebx,%edx /* 3rd arg: 1st syscall arg */
191 movl %eax,%esi /* 2nd arg: syscall number */
192 movl $AUDIT_ARCH_I386,%edi /* 1st arg: audit arch */
193 call audit_syscall_entry
194 movl RAX-ARGOFFSET(%rsp),%eax /* reload syscall number */
195 cmpl $(IA32_NR_syscalls-1),%eax
196 ja ia32_badsys
197 movl %ebx,%edi /* reload 1st syscall arg */
198 movl RCX-ARGOFFSET(%rsp),%esi /* reload 2nd syscall arg */
199 movl RDX-ARGOFFSET(%rsp),%edx /* reload 3rd syscall arg */
200 movl RSI-ARGOFFSET(%rsp),%ecx /* reload 4th syscall arg */
201 movl RDI-ARGOFFSET(%rsp),%r8d /* reload 5th syscall arg */
202 .endm
203
204 .macro auditsys_exit exit
205 testl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),TI_flags(%r10)
206 jnz int_ret_from_sys_call
207 TRACE_IRQS_ON
208 sti
209 movl %eax,%esi /* second arg, syscall return value */
210 cmpl $0,%eax /* is it < 0? */
211 setl %al /* 1 if so, 0 if not */
212 movzbl %al,%edi /* zero-extend that into %edi */
213 inc %edi /* first arg, 0->1(AUDITSC_SUCCESS), 1->2(AUDITSC_FAILURE) */
214 call audit_syscall_exit
215 GET_THREAD_INFO(%r10)
216 movl RAX-ARGOFFSET(%rsp),%eax /* reload syscall return value */
217 movl RBP-ARGOFFSET(%rsp),%ebp /* reload user register value */
218 movl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),%edi
219 cli
220 TRACE_IRQS_OFF
221 testl %edi,TI_flags(%r10)
222 jnz int_with_check
223 jmp \exit
224 .endm
225
226sysenter_auditsys:
7effaa88 227 CFI_RESTORE_STATE
5cbf1565
RM		 228 auditsys_entry_common
229 movl %ebp,%r9d /* reload 6th syscall arg */
230 jmp sysenter_dispatch
231
232sysexit_audit:
233 auditsys_exit sysexit_from_sys_call
234#endif
235
236sysenter_tracesys:
ecd744ee 237 xchgl %r9d,%ebp
5cbf1565
RM		 238#ifdef CONFIG_AUDITSYSCALL
239 testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags(%r10)
240 jz sysenter_auditsys
241#endif
1da177e4
LT		 242 SAVE_REST
243 CLEAR_RREGS
ecd744ee 244 movq %r9,R9(%rsp)
48ee679a 245 movq $-ENOSYS,RAX(%rsp)/* ptrace can change this for a bad syscall */
1da177e4
LT		 246 movq %rsp,%rdi /* &pt_regs -> arg1 */
247 call syscall_trace_enter
176df245 248 LOAD_ARGS32 ARGOFFSET /* reload args from stack in case ptrace changed it */
1da177e4 249 RESTORE_REST
ecd744ee 250 xchgl %ebp,%r9d
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
dffead4e 280 CFI_DEF_CFA rsp,PDA_STACKOFFSET
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
1da177e4 286 movq %gs:pda_kernelstack,%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
LT		 316 jnz cstar_tracesys
317cstar_do_call:
67d53ea5
AK		 318 cmpl $IA32_NR_syscalls-1,%eax
319 ja ia32_badsys
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*/
2601e64d 336 TRACE_IRQS_ON
1da177e4 337 movl RSP-ARGOFFSET(%rsp),%esp
7effaa88 338 CFI_RESTORE rsp
2be29982 339 USERGS_SYSRET32
1da177e4 340
5cbf1565
RM		 341#ifdef CONFIG_AUDITSYSCALL
342cstar_auditsys:
7effaa88 343 CFI_RESTORE_STATE
5cbf1565
RM		 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 */
347 jmp cstar_dispatch
348
349sysretl_audit:
350 auditsys_exit sysretl_from_sys_call
351#endif
352
353cstar_tracesys:
354#ifdef CONFIG_AUDITSYSCALL
355 testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags(%r10)
356 jz cstar_auditsys
357#endif
ecd744ee 358 xchgl %r9d,%ebp
1da177e4
LT		 359 SAVE_REST
360 CLEAR_RREGS
ecd744ee 361 movq %r9,R9(%rsp)
48ee679a 362 movq $-ENOSYS,RAX(%rsp) /* ptrace can change this for a bad syscall */
1da177e4
LT		 363 movq %rsp,%rdi /* &pt_regs -> arg1 */
364 call syscall_trace_enter
176df245 365 LOAD_ARGS32 ARGOFFSET /* reload args from stack in case ptrace changed it */
1da177e4 366 RESTORE_REST
ecd744ee 367 xchgl %ebp,%r9d
1da177e4 368 movl RSP-ARGOFFSET(%rsp), %r8d
48ee679a
RM		 369 cmpl $(IA32_NR_syscalls-1),%eax
370 ja int_ret_from_sys_call /* cstar_tracesys has set RAX(%rsp) */
1da177e4 371 jmp cstar_do_call
4b787e0b 372END(ia32_cstar_target)
1da177e4
LT		 373
374ia32_badarg:
375 movq $-EFAULT,%rax
376 jmp ia32_sysret
377 CFI_ENDPROC
378
379/*
380 * Emulated IA32 system calls via int 0x80.
381 *
382 * Arguments:
383 * %eax System call number.
384 * %ebx Arg1
385 * %ecx Arg2
386 * %edx Arg3
387 * %esi Arg4
388 * %edi Arg5
389 * %ebp Arg6 [note: not saved in the stack frame, should not be touched]
390 *
391 * Notes:
392 * Uses the same stack frame as the x86-64 version.
393 * All registers except %eax must be saved (but ptrace may violate that)
394 * Arguments are zero extended. For system calls that want sign extension and
395 * take long arguments a wrapper is needed. Most calls can just be called
396 * directly.
397 * Assumes it is only called from user space and entered with interrupts off.
398 */
399
400ENTRY(ia32_syscall)
cdc1793e 401 CFI_STARTPROC32 simple
adf14236 402 CFI_SIGNAL_FRAME
7effaa88
JB		 403 CFI_DEF_CFA rsp,SS+8-RIP
404 /*CFI_REL_OFFSET ss,SS-RIP*/
405 CFI_REL_OFFSET rsp,RSP-RIP
406 /*CFI_REL_OFFSET rflags,EFLAGS-RIP*/
407 /*CFI_REL_OFFSET cs,CS-RIP*/
408 CFI_REL_OFFSET rip,RIP-RIP
360c044e 409 PARAVIRT_ADJUST_EXCEPTION_FRAME
66804154 410 SWAPGS
2601e64d
IM		 411 /*
412 * No need to follow this irqs on/off section: the syscall
413 * disabled irqs and here we enable it straight after entry:
414 */
66804154 415 ENABLE_INTERRUPTS(CLBR_NONE)
1da177e4
LT		 416 movl %eax,%eax
417 pushq %rax
7effaa88 418 CFI_ADJUST_CFA_OFFSET 8
1da177e4
LT		 419 cld
420 /* note the registers are not zero extended to the sf.
421 this could be a problem. */
422 SAVE_ARGS 0,0,1
423 GET_THREAD_INFO(%r10)
26ccb8a7 424 orl $TS_COMPAT,TI_status(%r10)
d4d67150 425 testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r10)
1da177e4
LT		 426 jnz ia32_tracesys
427ia32_do_syscall:
67d53ea5 428 cmpl $(IA32_NR_syscalls-1),%eax
8ab32bb8 429 ja int_ret_from_sys_call /* ia32_tracesys has set RAX(%rsp) */
1da177e4
LT		 430 IA32_ARG_FIXUP
431 call *ia32_sys_call_table(,%rax,8) # xxx: rip relative
432ia32_sysret:
433 movq %rax,RAX-ARGOFFSET(%rsp)
434 jmp int_ret_from_sys_call
435
436ia32_tracesys:
437 SAVE_REST
cdc1793e 438 CLEAR_RREGS
8ab32bb8 439 movq $-ENOSYS,RAX(%rsp) /* ptrace can change this for a bad syscall */
1da177e4
LT		 440 movq %rsp,%rdi /* &pt_regs -> arg1 */
441 call syscall_trace_enter
176df245 442 LOAD_ARGS32 ARGOFFSET /* reload args from stack in case ptrace changed it */
1da177e4
LT		 443 RESTORE_REST
444 jmp ia32_do_syscall
4b787e0b 445END(ia32_syscall)
1da177e4
LT		 446
447ia32_badsys:
448 movq $0,ORIG_RAX-ARGOFFSET(%rsp)
449 movq $-ENOSYS,RAX-ARGOFFSET(%rsp)
450 jmp int_ret_from_sys_call
451
1da177e4
LT		 452quiet_ni_syscall:
453 movq $-ENOSYS,%rax
454 ret
455 CFI_ENDPROC
456
457 .macro PTREGSCALL label, func, arg
458 .globl \label
459\label:
460 leaq \func(%rip),%rax
461 leaq -ARGOFFSET+8(%rsp),\arg /* 8 for return address */
462 jmp ia32_ptregs_common
463 .endm
464
2765130b 465 CFI_STARTPROC32
7effaa88 466
1da177e4
LT		 467 PTREGSCALL stub32_rt_sigreturn, sys32_rt_sigreturn, %rdi
468 PTREGSCALL stub32_sigreturn, sys32_sigreturn, %rdi
469 PTREGSCALL stub32_sigaltstack, sys32_sigaltstack, %rdx
1da177e4
LT		 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
1da177e4
LT		 475
476ENTRY(ia32_ptregs_common)
1da177e4 477 popq %r11
2765130b
JB		 478 CFI_ENDPROC
479 CFI_STARTPROC32 simple
adf14236 480 CFI_SIGNAL_FRAME
2765130b
JB		 481 CFI_DEF_CFA rsp,SS+8-ARGOFFSET
482 CFI_REL_OFFSET rax,RAX-ARGOFFSET
483 CFI_REL_OFFSET rcx,RCX-ARGOFFSET
484 CFI_REL_OFFSET rdx,RDX-ARGOFFSET
485 CFI_REL_OFFSET rsi,RSI-ARGOFFSET
486 CFI_REL_OFFSET rdi,RDI-ARGOFFSET
487 CFI_REL_OFFSET rip,RIP-ARGOFFSET
488/* CFI_REL_OFFSET cs,CS-ARGOFFSET*/
489/* CFI_REL_OFFSET rflags,EFLAGS-ARGOFFSET*/
490 CFI_REL_OFFSET rsp,RSP-ARGOFFSET
491/* CFI_REL_OFFSET ss,SS-ARGOFFSET*/
1da177e4
LT		 492 SAVE_REST
493 call *%rax
494 RESTORE_REST
495 jmp ia32_sysret /* misbalances the return cache */
496 CFI_ENDPROC
4b787e0b 497END(ia32_ptregs_common)
1da177e4 498
bb152f53 499 .section .rodata,"a"
1da177e4 500 .align 8
1da177e4
LT		 501ia32_sys_call_table:
502 .quad sys_restart_syscall
503 .quad sys_exit
504 .quad stub32_fork
505 .quad sys_read
506 .quad sys_write
e922efc3 507 .quad compat_sys_open /* 5 */
1da177e4
LT		 508 .quad sys_close
509 .quad sys32_waitpid
510 .quad sys_creat
511 .quad sys_link
512 .quad sys_unlink /* 10 */
513 .quad stub32_execve
514 .quad sys_chdir
515 .quad compat_sys_time
516 .quad sys_mknod
517 .quad sys_chmod /* 15 */
518 .quad sys_lchown16
519 .quad quiet_ni_syscall /* old break syscall holder */
520 .quad sys_stat
521 .quad sys32_lseek
522 .quad sys_getpid /* 20 */
523 .quad compat_sys_mount /* mount */
524 .quad sys_oldumount /* old_umount */
525 .quad sys_setuid16
526 .quad sys_getuid16
527 .quad compat_sys_stime /* stime */ /* 25 */
562b80ba 528 .quad compat_sys_ptrace /* ptrace */
1da177e4
LT		 529 .quad sys_alarm
530 .quad sys_fstat /* (old)fstat */
531 .quad sys_pause
532 .quad compat_sys_utime /* 30 */
533 .quad quiet_ni_syscall /* old stty syscall holder */
534 .quad quiet_ni_syscall /* old gtty syscall holder */
535 .quad sys_access
536 .quad sys_nice
537 .quad quiet_ni_syscall /* 35 */ /* old ftime syscall holder */
538 .quad sys_sync
539 .quad sys32_kill
540 .quad sys_rename
541 .quad sys_mkdir
542 .quad sys_rmdir /* 40 */
543 .quad sys_dup
544 .quad sys32_pipe
545 .quad compat_sys_times
546 .quad quiet_ni_syscall /* old prof syscall holder */
547 .quad sys_brk /* 45 */
548 .quad sys_setgid16
549 .quad sys_getgid16
550 .quad sys_signal
551 .quad sys_geteuid16
552 .quad sys_getegid16 /* 50 */
553 .quad sys_acct
554 .quad sys_umount /* new_umount */
555 .quad quiet_ni_syscall /* old lock syscall holder */
556 .quad compat_sys_ioctl
557 .quad compat_sys_fcntl64 /* 55 */
558 .quad quiet_ni_syscall /* old mpx syscall holder */
559 .quad sys_setpgid
560 .quad quiet_ni_syscall /* old ulimit syscall holder */
561 .quad sys32_olduname
562 .quad sys_umask /* 60 */
563 .quad sys_chroot
564 .quad sys32_ustat
565 .quad sys_dup2
566 .quad sys_getppid
567 .quad sys_getpgrp /* 65 */
568 .quad sys_setsid
569 .quad sys32_sigaction
570 .quad sys_sgetmask
571 .quad sys_ssetmask
572 .quad sys_setreuid16 /* 70 */
573 .quad sys_setregid16
5f0120b5 574 .quad sys32_sigsuspend
1da177e4
LT		 575 .quad compat_sys_sigpending
576 .quad sys_sethostname
577 .quad compat_sys_setrlimit /* 75 */
578 .quad compat_sys_old_getrlimit /* old_getrlimit */
579 .quad compat_sys_getrusage
580 .quad sys32_gettimeofday
581 .quad sys32_settimeofday
582 .quad sys_getgroups16 /* 80 */
583 .quad sys_setgroups16
584 .quad sys32_old_select
585 .quad sys_symlink
586 .quad sys_lstat
587 .quad sys_readlink /* 85 */
1da177e4 588 .quad sys_uselib
1da177e4
LT		 589 .quad sys_swapon
590 .quad sys_reboot
591 .quad compat_sys_old_readdir
592 .quad sys32_mmap /* 90 */
593 .quad sys_munmap
594 .quad sys_truncate
595 .quad sys_ftruncate
596 .quad sys_fchmod
597 .quad sys_fchown16 /* 95 */
598 .quad sys_getpriority
599 .quad sys_setpriority
600 .quad quiet_ni_syscall /* old profil syscall holder */
601 .quad compat_sys_statfs
602 .quad compat_sys_fstatfs /* 100 */
603 .quad sys_ioperm
604 .quad compat_sys_socketcall
605 .quad sys_syslog
606 .quad compat_sys_setitimer
607 .quad compat_sys_getitimer /* 105 */
608 .quad compat_sys_newstat
609 .quad compat_sys_newlstat
610 .quad compat_sys_newfstat
611 .quad sys32_uname
612 .quad stub32_iopl /* 110 */
613 .quad sys_vhangup
614 .quad quiet_ni_syscall /* old "idle" system call */
615 .quad sys32_vm86_warning /* vm86old */
616 .quad compat_sys_wait4
617 .quad sys_swapoff /* 115 */
d4d23add 618 .quad compat_sys_sysinfo
1da177e4
LT		 619 .quad sys32_ipc
620 .quad sys_fsync
621 .quad stub32_sigreturn
622 .quad stub32_clone /* 120 */
623 .quad sys_setdomainname
624 .quad sys_uname
625 .quad sys_modify_ldt
3158e941 626 .quad compat_sys_adjtimex
1da177e4
LT		 627 .quad sys32_mprotect /* 125 */
628 .quad compat_sys_sigprocmask
629 .quad quiet_ni_syscall /* create_module */
630 .quad sys_init_module
631 .quad sys_delete_module
632 .quad quiet_ni_syscall /* 130 get_kernel_syms */
b716395e 633 .quad sys32_quotactl
1da177e4
LT		 634 .quad sys_getpgid
635 .quad sys_fchdir
636 .quad quiet_ni_syscall /* bdflush */
637 .quad sys_sysfs /* 135 */
638 .quad sys_personality
639 .quad quiet_ni_syscall /* for afs_syscall */
640 .quad sys_setfsuid16
641 .quad sys_setfsgid16
642 .quad sys_llseek /* 140 */
643 .quad compat_sys_getdents
644 .quad compat_sys_select
645 .quad sys_flock
646 .quad sys_msync
647 .quad compat_sys_readv /* 145 */
648 .quad compat_sys_writev
649 .quad sys_getsid
650 .quad sys_fdatasync
651 .quad sys32_sysctl /* sysctl */
652 .quad sys_mlock /* 150 */
653 .quad sys_munlock
654 .quad sys_mlockall
655 .quad sys_munlockall
656 .quad sys_sched_setparam
657 .quad sys_sched_getparam /* 155 */
658 .quad sys_sched_setscheduler
659 .quad sys_sched_getscheduler
660 .quad sys_sched_yield
661 .quad sys_sched_get_priority_max
662 .quad sys_sched_get_priority_min /* 160 */
a9bc3bfd 663 .quad sys32_sched_rr_get_interval
1da177e4
LT		 664 .quad compat_sys_nanosleep
665 .quad sys_mremap
666 .quad sys_setresuid16
667 .quad sys_getresuid16 /* 165 */
668 .quad sys32_vm86_warning /* vm86 */
669 .quad quiet_ni_syscall /* query_module */
670 .quad sys_poll
671 .quad compat_sys_nfsservctl
672 .quad sys_setresgid16 /* 170 */
673 .quad sys_getresgid16
674 .quad sys_prctl
675 .quad stub32_rt_sigreturn
676 .quad sys32_rt_sigaction
677 .quad sys32_rt_sigprocmask /* 175 */
678 .quad sys32_rt_sigpending
679 .quad compat_sys_rt_sigtimedwait
680 .quad sys32_rt_sigqueueinfo
5f0120b5 681 .quad sys_rt_sigsuspend
1da177e4
LT		 682 .quad sys32_pread /* 180 */
683 .quad sys32_pwrite
684 .quad sys_chown16
685 .quad sys_getcwd
686 .quad sys_capget
687 .quad sys_capset
688 .quad stub32_sigaltstack
689 .quad sys32_sendfile
690 .quad quiet_ni_syscall /* streams1 */
691 .quad quiet_ni_syscall /* streams2 */
692 .quad stub32_vfork /* 190 */
693 .quad compat_sys_getrlimit
694 .quad sys32_mmap2
695 .quad sys32_truncate64
696 .quad sys32_ftruncate64
697 .quad sys32_stat64 /* 195 */
698 .quad sys32_lstat64
699 .quad sys32_fstat64
700 .quad sys_lchown
701 .quad sys_getuid
702 .quad sys_getgid /* 200 */
703 .quad sys_geteuid
704 .quad sys_getegid
705 .quad sys_setreuid
706 .quad sys_setregid
707 .quad sys_getgroups /* 205 */
708 .quad sys_setgroups
709 .quad sys_fchown
710 .quad sys_setresuid
711 .quad sys_getresuid
712 .quad sys_setresgid /* 210 */
713 .quad sys_getresgid
714 .quad sys_chown
715 .quad sys_setuid
716 .quad sys_setgid
717 .quad sys_setfsuid /* 215 */
718 .quad sys_setfsgid
719 .quad sys_pivot_root
720 .quad sys_mincore
721 .quad sys_madvise
722 .quad compat_sys_getdents64 /* 220 getdents64 */
723 .quad compat_sys_fcntl64
724 .quad quiet_ni_syscall /* tux */
725 .quad quiet_ni_syscall /* security */
726 .quad sys_gettid
e412ac49 727 .quad sys32_readahead /* 225 */
1da177e4
LT		 728 .quad sys_setxattr
729 .quad sys_lsetxattr
730 .quad sys_fsetxattr
731 .quad sys_getxattr
732 .quad sys_lgetxattr /* 230 */
733 .quad sys_fgetxattr
734 .quad sys_listxattr
735 .quad sys_llistxattr
736 .quad sys_flistxattr
737 .quad sys_removexattr /* 235 */
738 .quad sys_lremovexattr
739 .quad sys_fremovexattr
740 .quad sys_tkill
741 .quad sys_sendfile64
742 .quad compat_sys_futex /* 240 */
743 .quad compat_sys_sched_setaffinity
744 .quad compat_sys_sched_getaffinity
efd1ca52
RM		 745 .quad sys_set_thread_area
746 .quad sys_get_thread_area
1da177e4
LT		 747 .quad compat_sys_io_setup /* 245 */
748 .quad sys_io_destroy
749 .quad compat_sys_io_getevents
750 .quad compat_sys_io_submit
751 .quad sys_io_cancel
e412ac49 752 .quad sys32_fadvise64 /* 250 */
1da177e4
LT		 753 .quad quiet_ni_syscall /* free_huge_pages */
754 .quad sys_exit_group
755 .quad sys32_lookup_dcookie
756 .quad sys_epoll_create
757 .quad sys_epoll_ctl /* 255 */
758 .quad sys_epoll_wait
759 .quad sys_remap_file_pages
760 .quad sys_set_tid_address
3a0f69d5 761 .quad compat_sys_timer_create
1da177e4
LT		 762 .quad compat_sys_timer_settime /* 260 */
763 .quad compat_sys_timer_gettime
764 .quad sys_timer_getoverrun
765 .quad sys_timer_delete
766 .quad compat_sys_clock_settime
767 .quad compat_sys_clock_gettime /* 265 */
768 .quad compat_sys_clock_getres
769 .quad compat_sys_clock_nanosleep
770 .quad compat_sys_statfs64
771 .quad compat_sys_fstatfs64
772 .quad sys_tgkill /* 270 */
773 .quad compat_sys_utimes
774 .quad sys32_fadvise64_64
775 .quad quiet_ni_syscall /* sys_vserver */
776 .quad sys_mbind
777 .quad compat_sys_get_mempolicy /* 275 */
778 .quad sys_set_mempolicy
779 .quad compat_sys_mq_open
780 .quad sys_mq_unlink
781 .quad compat_sys_mq_timedsend
782 .quad compat_sys_mq_timedreceive /* 280 */
783 .quad compat_sys_mq_notify
784 .quad compat_sys_mq_getsetattr
5234f5eb 785 .quad compat_sys_kexec_load /* reserved for kexec */
1da177e4 786 .quad compat_sys_waitid
725b38ab 787 .quad quiet_ni_syscall /* 285: sys_altroot */
1da177e4
LT		 788 .quad sys_add_key
789 .quad sys_request_key
790 .quad sys_keyctl
725b38ab
RL		 791 .quad sys_ioprio_set
792 .quad sys_ioprio_get /* 290 */
793 .quad sys_inotify_init
794 .quad sys_inotify_add_watch
795 .quad sys_inotify_rm_watch
39743889 796 .quad sys_migrate_pages
a60fc519
UD		 797 .quad compat_sys_openat /* 295 */
798 .quad sys_mkdirat
799 .quad sys_mknodat
800 .quad sys_fchownat
3833a705 801 .quad compat_sys_futimesat
cff2b760 802 .quad sys32_fstatat /* 300 */
a60fc519
UD		 803 .quad sys_unlinkat
804 .quad sys_renameat
805 .quad sys_linkat
806 .quad sys_symlinkat
807 .quad sys_readlinkat /* 305 */
808 .quad sys_fchmodat
809 .quad sys_faccessat
957dc87c
AK		 810 .quad compat_sys_pselect6
811 .quad compat_sys_ppoll
4b88f093 812 .quad sys_unshare /* 310 */
8fdd6c6d
IM		 813 .quad compat_sys_set_robust_list
814 .quad compat_sys_get_robust_list
b8feb47f 815 .quad sys_splice
e412ac49 816 .quad sys32_sync_file_range
1c710c89 817 .quad sys_tee /* 315 */
d2610202 818 .quad compat_sys_vmsplice
1b2db9fb 819 .quad compat_sys_move_pages
3cfc348b 820 .quad sys_getcpu
9af3cf05 821 .quad sys_epoll_pwait
1c710c89 822 .quad compat_sys_utimensat /* 320 */
ae7d5c86 823 .quad compat_sys_signalfd
cb9282ee 824 .quad sys_timerfd_create
fdb902b1 825 .quad sys_eventfd
97ac7350 826 .quad sys32_fallocate
cb9282ee
DL		 827 .quad compat_sys_timerfd_settime /* 325 */
828 .quad compat_sys_timerfd_gettime
ae7d5c86 829ia32_syscall_end:
Clone of davem's net-next-2.6 tree