1 /* SPDX-License-Identifier: GPL-2.0 */ <<
2 /* 1 /*
3 * Copyright (C) 2020-2022 Loongson Technology !! 2 * linux/arch/i386/entry.S
4 * 3 *
5 * Derived from MIPS: !! 4 * Copyright (C) 1991, 1992 Linus Torvalds
6 * Copyright (C) 1994 - 2000, 2001, 2003 Ralf <<
7 * Copyright (C) 1999, 2000 Silicon Graphics, <<
8 * Copyright (C) 2001 MIPS Technologies, Inc. <<
9 */ 5 */
10 6
11 #include <asm/asm.h> !! 7 /*
12 #include <asm/asmmacro.h> !! 8 * entry.S contains the system-call and fault low-level handling routines.
13 #include <asm/loongarch.h> !! 9 * This also contains the timer-interrupt handler, as well as all interrupts
14 #include <asm/regdef.h> !! 10 * and faults that can result in a task-switch.
15 #include <asm/stackframe.h> !! 11 *
16 #include <asm/thread_info.h> !! 12 * NOTE: This code handles signal-recognition, which happens every time
17 #include <asm/unwind_hints.h> !! 13 * after a timer-interrupt and after each system call.
18 !! 14 *
19 .text !! 15 * I changed all the .align's to 4 (16 byte alignment), as that's faster
20 .cfi_sections .debug_frame !! 16 * on a 486.
21 .align 5 !! 17 *
22 SYM_CODE_START(handle_syscall) !! 18 * Stack layout in 'ret_from_system_call':
23 UNWIND_HINT_UNDEFINED !! 19 * ptrace needs to have all regs on the stack.
24 csrrd t0, PERCPU_BASE_KS !! 20 * if the order here is changed, it needs to be
25 la.pcrel t1, kernelsp !! 21 * updated in fork.c:copy_process, signal.c:do_signal,
26 add.d t1, t1, t0 !! 22 * ptrace.c and ptrace.h
27 move t2, sp !! 23 *
28 ld.d sp, t1, 0 !! 24 * 0(%esp) - %ebx
29 !! 25 * 4(%esp) - %ecx
30 addi.d sp, sp, -PT_SIZE !! 26 * 8(%esp) - %edx
31 cfi_st t2, PT_R3 !! 27 * C(%esp) - %esi
32 cfi_rel_offset sp, PT_R3 !! 28 * 10(%esp) - %edi
33 st.d zero, sp, PT_R0 !! 29 * 14(%esp) - %ebp
34 csrrd t2, LOONGARCH_CSR_PRMD !! 30 * 18(%esp) - %eax
35 st.d t2, sp, PT_PRMD !! 31 * 1C(%esp) - %ds
36 csrrd t2, LOONGARCH_CSR_CRMD !! 32 * 20(%esp) - %es
37 st.d t2, sp, PT_CRMD !! 33 * 24(%esp) - orig_eax
38 csrrd t2, LOONGARCH_CSR_EUEN !! 34 * 28(%esp) - %eip
39 st.d t2, sp, PT_EUEN !! 35 * 2C(%esp) - %cs
40 csrrd t2, LOONGARCH_CSR_ECFG !! 36 * 30(%esp) - %eflags
41 st.d t2, sp, PT_ECFG !! 37 * 34(%esp) - %oldesp
42 csrrd t2, LOONGARCH_CSR_ESTA !! 38 * 38(%esp) - %oldss
43 st.d t2, sp, PT_ESTAT !! 39 *
44 cfi_st ra, PT_R1 !! 40 * "current" is in register %ebx during any slow entries.
45 cfi_st a0, PT_R4 !! 41 */
46 cfi_st a1, PT_R5 !! 42
47 cfi_st a2, PT_R6 !! 43 #include <linux/config.h>
48 cfi_st a3, PT_R7 !! 44 #include <linux/sys.h>
49 cfi_st a4, PT_R8 !! 45 #include <linux/linkage.h>
50 cfi_st a5, PT_R9 !! 46 #include <asm/segment.h>
51 cfi_st a6, PT_R10 !! 47 #include <asm/smp.h>
52 cfi_st a7, PT_R11 !! 48
53 csrrd ra, LOONGARCH_CSR_ERA !! 49 EBX = 0x00
54 st.d ra, sp, PT_ERA !! 50 ECX = 0x04
55 cfi_rel_offset ra, PT_ERA !! 51 EDX = 0x08
56 !! 52 ESI = 0x0C
57 cfi_st tp, PT_R2 !! 53 EDI = 0x10
58 cfi_st u0, PT_R21 !! 54 EBP = 0x14
59 cfi_st fp, PT_R22 !! 55 EAX = 0x18
60 !! 56 DS = 0x1C
61 SAVE_STATIC !! 57 ES = 0x20
62 UNWIND_HINT_REGS !! 58 ORIG_EAX = 0x24
63 !! 59 EIP = 0x28
64 #ifdef CONFIG_KGDB !! 60 CS = 0x2C
65 li.w t1, CSR_CRMD_WE !! 61 EFLAGS = 0x30
66 csrxchg t1, t1, LOONGARCH_CSR_ !! 62 OLDESP = 0x34
67 #endif !! 63 OLDSS = 0x38
68 !! 64
69 move u0, t0 !! 65 CF_MASK = 0x00000001
70 li.d tp, ~_THREAD_MASK !! 66 TF_MASK = 0x00000100
71 and tp, tp, sp !! 67 IF_MASK = 0x00000200
72 !! 68 DF_MASK = 0x00000400
73 move a0, sp !! 69 NT_MASK = 0x00004000
74 bl do_syscall !! 70 VM_MASK = 0x00020000
75 !! 71
76 RESTORE_ALL_AND_RET !! 72 /*
77 SYM_CODE_END(handle_syscall) !! 73 * these are offsets into the task-struct.
78 _ASM_NOKPROBE(handle_syscall) !! 74 */
79 !! 75 state = 0
80 SYM_CODE_START(ret_from_fork) !! 76 flags = 4
81 UNWIND_HINT_REGS !! 77 sigpending = 8
82 bl schedule_tail !! 78 addr_limit = 12
83 move a0, sp !! 79 exec_domain = 16
84 bl syscall_exit_to_user_m !! 80 need_resched = 20
85 RESTORE_STATIC !! 81 tsk_ptrace = 24
86 RESTORE_SOME !! 82 processor = 52
87 RESTORE_SP_AND_RET !! 83
88 SYM_CODE_END(ret_from_fork) !! 84 ENOSYS = 38
89 !! 85
90 SYM_CODE_START(ret_from_kernel_thread) !! 86
91 UNWIND_HINT_REGS !! 87 #define SAVE_ALL \
92 bl schedule_tail !! 88 cld; \
93 move a0, s1 !! 89 pushl %es; \
94 jirl ra, s0, 0 !! 90 pushl %ds; \
95 move a0, sp !! 91 pushl %eax; \
96 bl syscall_exit_to_user_m !! 92 pushl %ebp; \
97 RESTORE_STATIC !! 93 pushl %edi; \
98 RESTORE_SOME !! 94 pushl %esi; \
99 RESTORE_SP_AND_RET !! 95 pushl %edx; \
100 SYM_CODE_END(ret_from_kernel_thread) !! 96 pushl %ecx; \
>> 97 pushl %ebx; \
>> 98 movl $(__KERNEL_DS),%edx; \
>> 99 movl %edx,%ds; \
>> 100 movl %edx,%es;
>> 101
>> 102 #define RESTORE_ALL \
>> 103 popl %ebx; \
>> 104 popl %ecx; \
>> 105 popl %edx; \
>> 106 popl %esi; \
>> 107 popl %edi; \
>> 108 popl %ebp; \
>> 109 popl %eax; \
>> 110 1: popl %ds; \
>> 111 2: popl %es; \
>> 112 addl $4,%esp; \
>> 113 3: iret; \
>> 114 .section .fixup,"ax"; \
>> 115 4: movl $0,(%esp); \
>> 116 jmp 1b; \
>> 117 5: movl $0,(%esp); \
>> 118 jmp 2b; \
>> 119 6: pushl %ss; \
>> 120 popl %ds; \
>> 121 pushl %ss; \
>> 122 popl %es; \
>> 123 pushl $11; \
>> 124 call do_exit; \
>> 125 .previous; \
>> 126 .section __ex_table,"a";\
>> 127 .align 4; \
>> 128 .long 1b,4b; \
>> 129 .long 2b,5b; \
>> 130 .long 3b,6b; \
>> 131 .previous
>> 132
>> 133 #define GET_CURRENT(reg) \
>> 134 movl $-8192, reg; \
>> 135 andl %esp, reg
>> 136
>> 137 ENTRY(lcall7)
>> 138 pushfl # We get a different stack layout with call gates,
>> 139 pushl %eax # which has to be cleaned up later..
>> 140 SAVE_ALL
>> 141 movl EIP(%esp),%eax # due to call gates, this is eflags, not eip..
>> 142 movl CS(%esp),%edx # this is eip..
>> 143 movl EFLAGS(%esp),%ecx # and this is cs..
>> 144 movl %eax,EFLAGS(%esp) #
>> 145 andl $~(NT_MASK|TF_MASK|DF_MASK), %eax
>> 146 pushl %eax
>> 147 popfl
>> 148 movl %edx,EIP(%esp) # Now we move them to their "normal" places
>> 149 movl %ecx,CS(%esp) #
>> 150 movl %esp,%ebx
>> 151 pushl %ebx
>> 152 andl $-8192,%ebx # GET_CURRENT
>> 153 movl exec_domain(%ebx),%edx # Get the execution domain
>> 154 movl 4(%edx),%edx # Get the lcall7 handler for the domain
>> 155 pushl $0x7
>> 156 call *%edx
>> 157 addl $4, %esp
>> 158 popl %eax
>> 159 jmp ret_from_sys_call
>> 160
>> 161 ENTRY(lcall27)
>> 162 pushfl # We get a different stack layout with call gates,
>> 163 pushl %eax # which has to be cleaned up later..
>> 164 SAVE_ALL
>> 165 movl EIP(%esp),%eax # due to call gates, this is eflags, not eip..
>> 166 movl CS(%esp),%edx # this is eip..
>> 167 movl EFLAGS(%esp),%ecx # and this is cs..
>> 168 movl %eax,EFLAGS(%esp) #
>> 169 andl $~(NT_MASK|TF_MASK|DF_MASK), %eax
>> 170 pushl %eax
>> 171 popfl
>> 172 movl %edx,EIP(%esp) # Now we move them to their "normal" places
>> 173 movl %ecx,CS(%esp) #
>> 174 movl %esp,%ebx
>> 175 pushl %ebx
>> 176 andl $-8192,%ebx # GET_CURRENT
>> 177 movl exec_domain(%ebx),%edx # Get the execution domain
>> 178 movl 4(%edx),%edx # Get the lcall7 handler for the domain
>> 179 pushl $0x27
>> 180 call *%edx
>> 181 addl $4, %esp
>> 182 popl %eax
>> 183 jmp ret_from_sys_call
>> 184
>> 185
>> 186 ENTRY(ret_from_fork)
>> 187 pushl %ebx
>> 188 call SYMBOL_NAME(schedule_tail)
>> 189 addl $4, %esp
>> 190 GET_CURRENT(%ebx)
>> 191 testb $0x02,tsk_ptrace(%ebx) # PT_TRACESYS
>> 192 jne tracesys_exit
>> 193 jmp ret_from_sys_call
>> 194
>> 195 /*
>> 196 * Return to user mode is not as complex as all this looks,
>> 197 * but we want the default path for a system call return to
>> 198 * go as quickly as possible which is why some of this is
>> 199 * less clear than it otherwise should be.
>> 200 */
>> 201
>> 202 ENTRY(system_call)
>> 203 pushl %eax # save orig_eax
>> 204 SAVE_ALL
>> 205 GET_CURRENT(%ebx)
>> 206 testb $0x02,tsk_ptrace(%ebx) # PT_TRACESYS
>> 207 jne tracesys
>> 208 cmpl $(NR_syscalls),%eax
>> 209 jae badsys
>> 210 call *SYMBOL_NAME(sys_call_table)(,%eax,4)
>> 211 movl %eax,EAX(%esp) # save the return value
>> 212 ENTRY(ret_from_sys_call)
>> 213 cli # need_resched and signals atomic test
>> 214 cmpl $0,need_resched(%ebx)
>> 215 jne reschedule
>> 216 cmpl $0,sigpending(%ebx)
>> 217 jne signal_return
>> 218 restore_all:
>> 219 RESTORE_ALL
>> 220
>> 221 ALIGN
>> 222 signal_return:
>> 223 sti # we can get here from an interrupt handler
>> 224 testl $(VM_MASK),EFLAGS(%esp)
>> 225 movl %esp,%eax
>> 226 jne v86_signal_return
>> 227 xorl %edx,%edx
>> 228 call SYMBOL_NAME(do_signal)
>> 229 jmp restore_all
>> 230
>> 231 ALIGN
>> 232 v86_signal_return:
>> 233 call SYMBOL_NAME(save_v86_state)
>> 234 movl %eax,%esp
>> 235 xorl %edx,%edx
>> 236 call SYMBOL_NAME(do_signal)
>> 237 jmp restore_all
>> 238
>> 239 ALIGN
>> 240 tracesys:
>> 241 movl $-ENOSYS,EAX(%esp)
>> 242 call SYMBOL_NAME(syscall_trace)
>> 243 movl ORIG_EAX(%esp),%eax
>> 244 cmpl $(NR_syscalls),%eax
>> 245 jae tracesys_exit
>> 246 call *SYMBOL_NAME(sys_call_table)(,%eax,4)
>> 247 movl %eax,EAX(%esp) # save the return value
>> 248 tracesys_exit:
>> 249 call SYMBOL_NAME(syscall_trace)
>> 250 jmp ret_from_sys_call
>> 251 badsys:
>> 252 movl $-ENOSYS,EAX(%esp)
>> 253 jmp ret_from_sys_call
>> 254
>> 255 ALIGN
>> 256 ENTRY(ret_from_intr)
>> 257 GET_CURRENT(%ebx)
>> 258 ret_from_exception:
>> 259 movl EFLAGS(%esp),%eax # mix EFLAGS and CS
>> 260 movb CS(%esp),%al
>> 261 testl $(VM_MASK | 3),%eax # return to VM86 mode or non-supervisor?
>> 262 jne ret_from_sys_call
>> 263 jmp restore_all
>> 264
>> 265 ALIGN
>> 266 reschedule:
>> 267 call SYMBOL_NAME(schedule) # test
>> 268 jmp ret_from_sys_call
>> 269
>> 270 ENTRY(divide_error)
>> 271 pushl $0 # no error code
>> 272 pushl $ SYMBOL_NAME(do_divide_error)
>> 273 ALIGN
>> 274 error_code:
>> 275 pushl %ds
>> 276 pushl %eax
>> 277 xorl %eax,%eax
>> 278 pushl %ebp
>> 279 pushl %edi
>> 280 pushl %esi
>> 281 pushl %edx
>> 282 decl %eax # eax = -1
>> 283 pushl %ecx
>> 284 pushl %ebx
>> 285 cld
>> 286 movl %es,%ecx
>> 287 movl ORIG_EAX(%esp), %esi # get the error code
>> 288 movl ES(%esp), %edi # get the function address
>> 289 movl %eax, ORIG_EAX(%esp)
>> 290 movl %ecx, ES(%esp)
>> 291 movl %esp,%edx
>> 292 pushl %esi # push the error code
>> 293 pushl %edx # push the pt_regs pointer
>> 294 movl $(__KERNEL_DS),%edx
>> 295 movl %edx,%ds
>> 296 movl %edx,%es
>> 297 GET_CURRENT(%ebx)
>> 298 call *%edi
>> 299 addl $8,%esp
>> 300 jmp ret_from_exception
>> 301
>> 302 ENTRY(coprocessor_error)
>> 303 pushl $0
>> 304 pushl $ SYMBOL_NAME(do_coprocessor_error)
>> 305 jmp error_code
>> 306
>> 307 ENTRY(simd_coprocessor_error)
>> 308 pushl $0
>> 309 pushl $ SYMBOL_NAME(do_simd_coprocessor_error)
>> 310 jmp error_code
>> 311
>> 312 ENTRY(device_not_available)
>> 313 pushl $-1 # mark this as an int
>> 314 SAVE_ALL
>> 315 GET_CURRENT(%ebx)
>> 316 movl %cr0,%eax
>> 317 testl $0x4,%eax # EM (math emulation bit)
>> 318 jne device_not_available_emulate
>> 319 call SYMBOL_NAME(math_state_restore)
>> 320 jmp ret_from_exception
>> 321 device_not_available_emulate:
>> 322 pushl $0 # temporary storage for ORIG_EIP
>> 323 call SYMBOL_NAME(math_emulate)
>> 324 addl $4,%esp
>> 325 jmp ret_from_exception
>> 326
>> 327 ENTRY(debug)
>> 328 pushl $0
>> 329 pushl $ SYMBOL_NAME(do_debug)
>> 330 jmp error_code
>> 331
>> 332 ENTRY(nmi)
>> 333 pushl %eax
>> 334 SAVE_ALL
>> 335 movl %esp,%edx
>> 336 pushl $0
>> 337 pushl %edx
>> 338 call SYMBOL_NAME(do_nmi)
>> 339 addl $8,%esp
>> 340 RESTORE_ALL
>> 341
>> 342 ENTRY(int3)
>> 343 pushl $0
>> 344 pushl $ SYMBOL_NAME(do_int3)
>> 345 jmp error_code
>> 346
>> 347 ENTRY(overflow)
>> 348 pushl $0
>> 349 pushl $ SYMBOL_NAME(do_overflow)
>> 350 jmp error_code
>> 351
>> 352 ENTRY(bounds)
>> 353 pushl $0
>> 354 pushl $ SYMBOL_NAME(do_bounds)
>> 355 jmp error_code
>> 356
>> 357 ENTRY(invalid_op)
>> 358 pushl $0
>> 359 pushl $ SYMBOL_NAME(do_invalid_op)
>> 360 jmp error_code
>> 361
>> 362 ENTRY(coprocessor_segment_overrun)
>> 363 pushl $0
>> 364 pushl $ SYMBOL_NAME(do_coprocessor_segment_overrun)
>> 365 jmp error_code
>> 366
>> 367 ENTRY(double_fault)
>> 368 pushl $ SYMBOL_NAME(do_double_fault)
>> 369 jmp error_code
>> 370
>> 371 ENTRY(invalid_TSS)
>> 372 pushl $ SYMBOL_NAME(do_invalid_TSS)
>> 373 jmp error_code
>> 374
>> 375 ENTRY(segment_not_present)
>> 376 pushl $ SYMBOL_NAME(do_segment_not_present)
>> 377 jmp error_code
>> 378
>> 379 ENTRY(stack_segment)
>> 380 pushl $ SYMBOL_NAME(do_stack_segment)
>> 381 jmp error_code
>> 382
>> 383 ENTRY(general_protection)
>> 384 pushl $ SYMBOL_NAME(do_general_protection)
>> 385 jmp error_code
>> 386
>> 387 ENTRY(alignment_check)
>> 388 pushl $ SYMBOL_NAME(do_alignment_check)
>> 389 jmp error_code
>> 390
>> 391 ENTRY(page_fault)
>> 392 pushl $ SYMBOL_NAME(do_page_fault)
>> 393 jmp error_code
>> 394
>> 395 ENTRY(machine_check)
>> 396 pushl $0
>> 397 pushl $ SYMBOL_NAME(do_machine_check)
>> 398 jmp error_code
>> 399
>> 400 ENTRY(spurious_interrupt_bug)
>> 401 pushl $0
>> 402 pushl $ SYMBOL_NAME(do_spurious_interrupt_bug)
>> 403 jmp error_code
>> 404
>> 405 .data
>> 406 ENTRY(sys_call_table)
>> 407 .long SYMBOL_NAME(sys_ni_syscall) /* 0 - old "setup()" system call*/
>> 408 .long SYMBOL_NAME(sys_exit)
>> 409 .long SYMBOL_NAME(sys_fork)
>> 410 .long SYMBOL_NAME(sys_read)
>> 411 .long SYMBOL_NAME(sys_write)
>> 412 .long SYMBOL_NAME(sys_open) /* 5 */
>> 413 .long SYMBOL_NAME(sys_close)
>> 414 .long SYMBOL_NAME(sys_waitpid)
>> 415 .long SYMBOL_NAME(sys_creat)
>> 416 .long SYMBOL_NAME(sys_link)
>> 417 .long SYMBOL_NAME(sys_unlink) /* 10 */
>> 418 .long SYMBOL_NAME(sys_execve)
>> 419 .long SYMBOL_NAME(sys_chdir)
>> 420 .long SYMBOL_NAME(sys_time)
>> 421 .long SYMBOL_NAME(sys_mknod)
>> 422 .long SYMBOL_NAME(sys_chmod) /* 15 */
>> 423 .long SYMBOL_NAME(sys_lchown16)
>> 424 .long SYMBOL_NAME(sys_ni_syscall) /* old break syscall holder */
>> 425 .long SYMBOL_NAME(sys_stat)
>> 426 .long SYMBOL_NAME(sys_lseek)
>> 427 .long SYMBOL_NAME(sys_getpid) /* 20 */
>> 428 .long SYMBOL_NAME(sys_mount)
>> 429 .long SYMBOL_NAME(sys_oldumount)
>> 430 .long SYMBOL_NAME(sys_setuid16)
>> 431 .long SYMBOL_NAME(sys_getuid16)
>> 432 .long SYMBOL_NAME(sys_stime) /* 25 */
>> 433 .long SYMBOL_NAME(sys_ptrace)
>> 434 .long SYMBOL_NAME(sys_alarm)
>> 435 .long SYMBOL_NAME(sys_fstat)
>> 436 .long SYMBOL_NAME(sys_pause)
>> 437 .long SYMBOL_NAME(sys_utime) /* 30 */
>> 438 .long SYMBOL_NAME(sys_ni_syscall) /* old stty syscall holder */
>> 439 .long SYMBOL_NAME(sys_ni_syscall) /* old gtty syscall holder */
>> 440 .long SYMBOL_NAME(sys_access)
>> 441 .long SYMBOL_NAME(sys_nice)
>> 442 .long SYMBOL_NAME(sys_ni_syscall) /* 35 */ /* old ftime syscall holder */
>> 443 .long SYMBOL_NAME(sys_sync)
>> 444 .long SYMBOL_NAME(sys_kill)
>> 445 .long SYMBOL_NAME(sys_rename)
>> 446 .long SYMBOL_NAME(sys_mkdir)
>> 447 .long SYMBOL_NAME(sys_rmdir) /* 40 */
>> 448 .long SYMBOL_NAME(sys_dup)
>> 449 .long SYMBOL_NAME(sys_pipe)
>> 450 .long SYMBOL_NAME(sys_times)
>> 451 .long SYMBOL_NAME(sys_ni_syscall) /* old prof syscall holder */
>> 452 .long SYMBOL_NAME(sys_brk) /* 45 */
>> 453 .long SYMBOL_NAME(sys_setgid16)
>> 454 .long SYMBOL_NAME(sys_getgid16)
>> 455 .long SYMBOL_NAME(sys_signal)
>> 456 .long SYMBOL_NAME(sys_geteuid16)
>> 457 .long SYMBOL_NAME(sys_getegid16) /* 50 */
>> 458 .long SYMBOL_NAME(sys_acct)
>> 459 .long SYMBOL_NAME(sys_umount) /* recycled never used phys() */
>> 460 .long SYMBOL_NAME(sys_ni_syscall) /* old lock syscall holder */
>> 461 .long SYMBOL_NAME(sys_ioctl)
>> 462 .long SYMBOL_NAME(sys_fcntl) /* 55 */
>> 463 .long SYMBOL_NAME(sys_ni_syscall) /* old mpx syscall holder */
>> 464 .long SYMBOL_NAME(sys_setpgid)
>> 465 .long SYMBOL_NAME(sys_ni_syscall) /* old ulimit syscall holder */
>> 466 .long SYMBOL_NAME(sys_olduname)
>> 467 .long SYMBOL_NAME(sys_umask) /* 60 */
>> 468 .long SYMBOL_NAME(sys_chroot)
>> 469 .long SYMBOL_NAME(sys_ustat)
>> 470 .long SYMBOL_NAME(sys_dup2)
>> 471 .long SYMBOL_NAME(sys_getppid)
>> 472 .long SYMBOL_NAME(sys_getpgrp) /* 65 */
>> 473 .long SYMBOL_NAME(sys_setsid)
>> 474 .long SYMBOL_NAME(sys_sigaction)
>> 475 .long SYMBOL_NAME(sys_sgetmask)
>> 476 .long SYMBOL_NAME(sys_ssetmask)
>> 477 .long SYMBOL_NAME(sys_setreuid16) /* 70 */
>> 478 .long SYMBOL_NAME(sys_setregid16)
>> 479 .long SYMBOL_NAME(sys_sigsuspend)
>> 480 .long SYMBOL_NAME(sys_sigpending)
>> 481 .long SYMBOL_NAME(sys_sethostname)
>> 482 .long SYMBOL_NAME(sys_setrlimit) /* 75 */
>> 483 .long SYMBOL_NAME(sys_old_getrlimit)
>> 484 .long SYMBOL_NAME(sys_getrusage)
>> 485 .long SYMBOL_NAME(sys_gettimeofday)
>> 486 .long SYMBOL_NAME(sys_settimeofday)
>> 487 .long SYMBOL_NAME(sys_getgroups16) /* 80 */
>> 488 .long SYMBOL_NAME(sys_setgroups16)
>> 489 .long SYMBOL_NAME(old_select)
>> 490 .long SYMBOL_NAME(sys_symlink)
>> 491 .long SYMBOL_NAME(sys_lstat)
>> 492 .long SYMBOL_NAME(sys_readlink) /* 85 */
>> 493 .long SYMBOL_NAME(sys_uselib)
>> 494 .long SYMBOL_NAME(sys_swapon)
>> 495 .long SYMBOL_NAME(sys_reboot)
>> 496 .long SYMBOL_NAME(old_readdir)
>> 497 .long SYMBOL_NAME(old_mmap) /* 90 */
>> 498 .long SYMBOL_NAME(sys_munmap)
>> 499 .long SYMBOL_NAME(sys_truncate)
>> 500 .long SYMBOL_NAME(sys_ftruncate)
>> 501 .long SYMBOL_NAME(sys_fchmod)
>> 502 .long SYMBOL_NAME(sys_fchown16) /* 95 */
>> 503 .long SYMBOL_NAME(sys_getpriority)
>> 504 .long SYMBOL_NAME(sys_setpriority)
>> 505 .long SYMBOL_NAME(sys_ni_syscall) /* old profil syscall holder */
>> 506 .long SYMBOL_NAME(sys_statfs)
>> 507 .long SYMBOL_NAME(sys_fstatfs) /* 100 */
>> 508 .long SYMBOL_NAME(sys_ioperm)
>> 509 .long SYMBOL_NAME(sys_socketcall)
>> 510 .long SYMBOL_NAME(sys_syslog)
>> 511 .long SYMBOL_NAME(sys_setitimer)
>> 512 .long SYMBOL_NAME(sys_getitimer) /* 105 */
>> 513 .long SYMBOL_NAME(sys_newstat)
>> 514 .long SYMBOL_NAME(sys_newlstat)
>> 515 .long SYMBOL_NAME(sys_newfstat)
>> 516 .long SYMBOL_NAME(sys_uname)
>> 517 .long SYMBOL_NAME(sys_iopl) /* 110 */
>> 518 .long SYMBOL_NAME(sys_vhangup)
>> 519 .long SYMBOL_NAME(sys_ni_syscall) /* old "idle" system call */
>> 520 .long SYMBOL_NAME(sys_vm86old)
>> 521 .long SYMBOL_NAME(sys_wait4)
>> 522 .long SYMBOL_NAME(sys_swapoff) /* 115 */
>> 523 .long SYMBOL_NAME(sys_sysinfo)
>> 524 .long SYMBOL_NAME(sys_ipc)
>> 525 .long SYMBOL_NAME(sys_fsync)
>> 526 .long SYMBOL_NAME(sys_sigreturn)
>> 527 .long SYMBOL_NAME(sys_clone) /* 120 */
>> 528 .long SYMBOL_NAME(sys_setdomainname)
>> 529 .long SYMBOL_NAME(sys_newuname)
>> 530 .long SYMBOL_NAME(sys_modify_ldt)
>> 531 .long SYMBOL_NAME(sys_adjtimex)
>> 532 .long SYMBOL_NAME(sys_mprotect) /* 125 */
>> 533 .long SYMBOL_NAME(sys_sigprocmask)
>> 534 .long SYMBOL_NAME(sys_create_module)
>> 535 .long SYMBOL_NAME(sys_init_module)
>> 536 .long SYMBOL_NAME(sys_delete_module)
>> 537 .long SYMBOL_NAME(sys_get_kernel_syms) /* 130 */
>> 538 .long SYMBOL_NAME(sys_quotactl)
>> 539 .long SYMBOL_NAME(sys_getpgid)
>> 540 .long SYMBOL_NAME(sys_fchdir)
>> 541 .long SYMBOL_NAME(sys_bdflush)
>> 542 .long SYMBOL_NAME(sys_sysfs) /* 135 */
>> 543 .long SYMBOL_NAME(sys_personality)
>> 544 .long SYMBOL_NAME(sys_ni_syscall) /* for afs_syscall */
>> 545 .long SYMBOL_NAME(sys_setfsuid16)
>> 546 .long SYMBOL_NAME(sys_setfsgid16)
>> 547 .long SYMBOL_NAME(sys_llseek) /* 140 */
>> 548 .long SYMBOL_NAME(sys_getdents)
>> 549 .long SYMBOL_NAME(sys_select)
>> 550 .long SYMBOL_NAME(sys_flock)
>> 551 .long SYMBOL_NAME(sys_msync)
>> 552 .long SYMBOL_NAME(sys_readv) /* 145 */
>> 553 .long SYMBOL_NAME(sys_writev)
>> 554 .long SYMBOL_NAME(sys_getsid)
>> 555 .long SYMBOL_NAME(sys_fdatasync)
>> 556 .long SYMBOL_NAME(sys_sysctl)
>> 557 .long SYMBOL_NAME(sys_mlock) /* 150 */
>> 558 .long SYMBOL_NAME(sys_munlock)
>> 559 .long SYMBOL_NAME(sys_mlockall)
>> 560 .long SYMBOL_NAME(sys_munlockall)
>> 561 .long SYMBOL_NAME(sys_sched_setparam)
>> 562 .long SYMBOL_NAME(sys_sched_getparam) /* 155 */
>> 563 .long SYMBOL_NAME(sys_sched_setscheduler)
>> 564 .long SYMBOL_NAME(sys_sched_getscheduler)
>> 565 .long SYMBOL_NAME(sys_sched_yield)
>> 566 .long SYMBOL_NAME(sys_sched_get_priority_max)
>> 567 .long SYMBOL_NAME(sys_sched_get_priority_min) /* 160 */
>> 568 .long SYMBOL_NAME(sys_sched_rr_get_interval)
>> 569 .long SYMBOL_NAME(sys_nanosleep)
>> 570 .long SYMBOL_NAME(sys_mremap)
>> 571 .long SYMBOL_NAME(sys_setresuid16)
>> 572 .long SYMBOL_NAME(sys_getresuid16) /* 165 */
>> 573 .long SYMBOL_NAME(sys_vm86)
>> 574 .long SYMBOL_NAME(sys_query_module)
>> 575 .long SYMBOL_NAME(sys_poll)
>> 576 .long SYMBOL_NAME(sys_nfsservctl)
>> 577 .long SYMBOL_NAME(sys_setresgid16) /* 170 */
>> 578 .long SYMBOL_NAME(sys_getresgid16)
>> 579 .long SYMBOL_NAME(sys_prctl)
>> 580 .long SYMBOL_NAME(sys_rt_sigreturn)
>> 581 .long SYMBOL_NAME(sys_rt_sigaction)
>> 582 .long SYMBOL_NAME(sys_rt_sigprocmask) /* 175 */
>> 583 .long SYMBOL_NAME(sys_rt_sigpending)
>> 584 .long SYMBOL_NAME(sys_rt_sigtimedwait)
>> 585 .long SYMBOL_NAME(sys_rt_sigqueueinfo)
>> 586 .long SYMBOL_NAME(sys_rt_sigsuspend)
>> 587 .long SYMBOL_NAME(sys_pread) /* 180 */
>> 588 .long SYMBOL_NAME(sys_pwrite)
>> 589 .long SYMBOL_NAME(sys_chown16)
>> 590 .long SYMBOL_NAME(sys_getcwd)
>> 591 .long SYMBOL_NAME(sys_capget)
>> 592 .long SYMBOL_NAME(sys_capset) /* 185 */
>> 593 .long SYMBOL_NAME(sys_sigaltstack)
>> 594 .long SYMBOL_NAME(sys_sendfile)
>> 595 .long SYMBOL_NAME(sys_ni_syscall) /* streams1 */
>> 596 .long SYMBOL_NAME(sys_ni_syscall) /* streams2 */
>> 597 .long SYMBOL_NAME(sys_vfork) /* 190 */
>> 598 .long SYMBOL_NAME(sys_getrlimit)
>> 599 .long SYMBOL_NAME(sys_mmap2)
>> 600 .long SYMBOL_NAME(sys_truncate64)
>> 601 .long SYMBOL_NAME(sys_ftruncate64)
>> 602 .long SYMBOL_NAME(sys_stat64) /* 195 */
>> 603 .long SYMBOL_NAME(sys_lstat64)
>> 604 .long SYMBOL_NAME(sys_fstat64)
>> 605 .long SYMBOL_NAME(sys_lchown)
>> 606 .long SYMBOL_NAME(sys_getuid)
>> 607 .long SYMBOL_NAME(sys_getgid) /* 200 */
>> 608 .long SYMBOL_NAME(sys_geteuid)
>> 609 .long SYMBOL_NAME(sys_getegid)
>> 610 .long SYMBOL_NAME(sys_setreuid)
>> 611 .long SYMBOL_NAME(sys_setregid)
>> 612 .long SYMBOL_NAME(sys_getgroups) /* 205 */
>> 613 .long SYMBOL_NAME(sys_setgroups)
>> 614 .long SYMBOL_NAME(sys_fchown)
>> 615 .long SYMBOL_NAME(sys_setresuid)
>> 616 .long SYMBOL_NAME(sys_getresuid)
>> 617 .long SYMBOL_NAME(sys_setresgid) /* 210 */
>> 618 .long SYMBOL_NAME(sys_getresgid)
>> 619 .long SYMBOL_NAME(sys_chown)
>> 620 .long SYMBOL_NAME(sys_setuid)
>> 621 .long SYMBOL_NAME(sys_setgid)
>> 622 .long SYMBOL_NAME(sys_setfsuid) /* 215 */
>> 623 .long SYMBOL_NAME(sys_setfsgid)
>> 624 .long SYMBOL_NAME(sys_pivot_root)
>> 625 .long SYMBOL_NAME(sys_mincore)
>> 626 .long SYMBOL_NAME(sys_madvise)
>> 627 .long SYMBOL_NAME(sys_getdents64) /* 220 */
>> 628 .long SYMBOL_NAME(sys_fcntl64)
>> 629 .long SYMBOL_NAME(sys_ni_syscall) /* reserved for TUX */
>> 630 .long SYMBOL_NAME(sys_ni_syscall) /* Reserved for Security */
>> 631 .long SYMBOL_NAME(sys_gettid)
>> 632 .long SYMBOL_NAME(sys_readahead) /* 225 */
>> 633 .long SYMBOL_NAME(sys_setxattr)
>> 634 .long SYMBOL_NAME(sys_lsetxattr)
>> 635 .long SYMBOL_NAME(sys_fsetxattr)
>> 636 .long SYMBOL_NAME(sys_getxattr)
>> 637 .long SYMBOL_NAME(sys_lgetxattr) /* 230 */
>> 638 .long SYMBOL_NAME(sys_fgetxattr)
>> 639 .long SYMBOL_NAME(sys_listxattr)
>> 640 .long SYMBOL_NAME(sys_llistxattr)
>> 641 .long SYMBOL_NAME(sys_flistxattr)
>> 642 .long SYMBOL_NAME(sys_removexattr) /* 235 */
>> 643 .long SYMBOL_NAME(sys_lremovexattr)
>> 644 .long SYMBOL_NAME(sys_fremovexattr)
>> 645 .long SYMBOL_NAME(sys_tkill)
>> 646 .long SYMBOL_NAME(sys_sendfile64)
>> 647 .long SYMBOL_NAME(sys_ni_syscall) /* 240 reserved for futex */
>> 648 .long SYMBOL_NAME(sys_ni_syscall) /* reserved for sched_setaffinity */
>> 649 .long SYMBOL_NAME(sys_ni_syscall) /* reserved for sched_getaffinity */
>> 650 .long SYMBOL_NAME(sys_ni_syscall) /* sys_set_thread_area */
>> 651 .long SYMBOL_NAME(sys_ni_syscall) /* sys_get_thread_area */
>> 652 .long SYMBOL_NAME(sys_ni_syscall) /* 245 sys_io_setup */
>> 653 .long SYMBOL_NAME(sys_ni_syscall) /* sys_io_destroy */
>> 654 .long SYMBOL_NAME(sys_ni_syscall) /* sys_io_getevents */
>> 655 .long SYMBOL_NAME(sys_ni_syscall) /* sys_io_submit */
>> 656 .long SYMBOL_NAME(sys_ni_syscall) /* sys_io_cancel */
>> 657 .long SYMBOL_NAME(sys_ni_syscall) /* 250 sys_alloc_hugepages */
>> 658 .long SYMBOL_NAME(sys_ni_syscall) /* sys_free_hugepages */
>> 659 .long SYMBOL_NAME(sys_ni_syscall) /* sys_exit_group */
>> 660 .long SYMBOL_NAME(sys_ni_syscall) /* sys_lookup_dcookie */
>> 661 .long SYMBOL_NAME(sys_ni_syscall) /* sys_epoll_create */
>> 662 .long SYMBOL_NAME(sys_ni_syscall) /* sys_epoll_ctl 255 */
>> 663 .long SYMBOL_NAME(sys_ni_syscall) /* sys_epoll_wait */
>> 664 .long SYMBOL_NAME(sys_ni_syscall) /* sys_remap_file_pages */
>> 665 .long SYMBOL_NAME(sys_ni_syscall) /* sys_set_tid_address */
>> 666
>> 667 .rept NR_syscalls-(.-sys_call_table)/4
>> 668 .long SYMBOL_NAME(sys_ni_syscall)
>> 669 .endr
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