Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * This file is subject to the terms and conditions of the GNU General Public |
| 3 | * License. See the file "COPYING" in the main directory of this archive |
| 4 | * for more details. |
| 5 | * |
| 6 | * Copyright (C) 1995, 96, 97, 98, 99, 2000, 01, 02 by Ralf Baechle |
| 7 | * Copyright (C) 2001 MIPS Technologies, Inc. |
| 8 | * Copyright (C) 2004 Thiemo Seufer |
| 9 | */ |
| 10 | #include <linux/config.h> |
| 11 | #include <linux/errno.h> |
| 12 | #include <asm/asm.h> |
| 13 | #include <asm/asmmacro.h> |
| 14 | #include <asm/mipsregs.h> |
| 15 | #include <asm/regdef.h> |
| 16 | #include <asm/stackframe.h> |
| 17 | #include <asm/isadep.h> |
| 18 | #include <asm/sysmips.h> |
| 19 | #include <asm/thread_info.h> |
| 20 | #include <asm/unistd.h> |
| 21 | #include <asm/war.h> |
| 22 | #include <asm/offset.h> |
| 23 | |
| 24 | /* Highest syscall used of any syscall flavour */ |
| 25 | #define MAX_SYSCALL_NO __NR_O32_Linux + __NR_O32_Linux_syscalls |
| 26 | |
| 27 | .align 5 |
| 28 | NESTED(handle_sys, PT_SIZE, sp) |
| 29 | .set noat |
| 30 | SAVE_SOME |
| 31 | STI |
| 32 | .set at |
| 33 | |
| 34 | lw t1, PT_EPC(sp) # skip syscall on return |
| 35 | |
| 36 | #if defined(CONFIG_BINFMT_IRIX) |
| 37 | sltiu t0, v0, MAX_SYSCALL_NO + 1 # check syscall number |
| 38 | #else |
| 39 | subu v0, v0, __NR_O32_Linux # check syscall number |
| 40 | sltiu t0, v0, __NR_O32_Linux_syscalls + 1 |
| 41 | #endif |
| 42 | addiu t1, 4 # skip to next instruction |
| 43 | sw t1, PT_EPC(sp) |
| 44 | beqz t0, illegal_syscall |
| 45 | |
| 46 | sll t0, v0, 3 |
| 47 | la t1, sys_call_table |
| 48 | addu t1, t0 |
| 49 | lw t2, (t1) # syscall routine |
| 50 | lw t3, 4(t1) # >= 0 if we need stack arguments |
| 51 | beqz t2, illegal_syscall |
| 52 | |
| 53 | sw a3, PT_R26(sp) # save a3 for syscall restarting |
| 54 | bgez t3, stackargs |
| 55 | |
| 56 | stack_done: |
| 57 | lw t0, TI_FLAGS($28) # syscall tracing enabled? |
| 58 | li t1, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT |
| 59 | and t0, t1 |
| 60 | bnez t0, syscall_trace_entry # -> yes |
| 61 | |
| 62 | jalr t2 # Do The Real Thing (TM) |
| 63 | |
| 64 | li t0, -EMAXERRNO - 1 # error? |
| 65 | sltu t0, t0, v0 |
| 66 | sw t0, PT_R7(sp) # set error flag |
| 67 | beqz t0, 1f |
| 68 | |
| 69 | negu v0 # error |
| 70 | sw v0, PT_R0(sp) # set flag for syscall |
| 71 | # restarting |
| 72 | 1: sw v0, PT_R2(sp) # result |
| 73 | |
| 74 | o32_syscall_exit: |
| 75 | local_irq_disable # make sure need_resched and |
| 76 | # signals dont change between |
| 77 | # sampling and return |
| 78 | lw a2, TI_FLAGS($28) # current->work |
| 79 | li t0, _TIF_ALLWORK_MASK |
| 80 | and t0, a2 |
| 81 | bnez t0, o32_syscall_exit_work |
| 82 | |
| 83 | j restore_partial |
| 84 | |
| 85 | o32_syscall_exit_work: |
| 86 | j syscall_exit_work_partial |
| 87 | |
| 88 | /* ------------------------------------------------------------------------ */ |
| 89 | |
| 90 | syscall_trace_entry: |
| 91 | SAVE_STATIC |
| 92 | move s0, t2 |
| 93 | move a0, sp |
| 94 | li a1, 0 |
| 95 | jal do_syscall_trace |
| 96 | |
| 97 | lw a0, PT_R4(sp) # Restore argument registers |
| 98 | lw a1, PT_R5(sp) |
| 99 | lw a2, PT_R6(sp) |
| 100 | lw a3, PT_R7(sp) |
| 101 | jalr s0 |
| 102 | |
| 103 | li t0, -EMAXERRNO - 1 # error? |
| 104 | sltu t0, t0, v0 |
| 105 | sw t0, PT_R7(sp) # set error flag |
| 106 | beqz t0, 1f |
| 107 | |
| 108 | negu v0 # error |
| 109 | sw v0, PT_R0(sp) # set flag for syscall |
| 110 | # restarting |
| 111 | 1: sw v0, PT_R2(sp) # result |
| 112 | |
| 113 | j syscall_exit |
| 114 | |
| 115 | /* ------------------------------------------------------------------------ */ |
| 116 | |
| 117 | /* |
| 118 | * More than four arguments. Try to deal with it by copying the |
| 119 | * stack arguments from the user stack to the kernel stack. |
| 120 | * This Sucks (TM). |
| 121 | */ |
| 122 | stackargs: |
| 123 | lw t0, PT_R29(sp) # get old user stack pointer |
| 124 | |
| 125 | /* |
| 126 | * We intentionally keep the kernel stack a little below the top of |
| 127 | * userspace so we don't have to do a slower byte accurate check here. |
| 128 | */ |
| 129 | lw t5, TI_ADDR_LIMIT($28) |
| 130 | addu t4, t0, 32 |
| 131 | and t5, t4 |
| 132 | bltz t5, bad_stack # -> sp is bad |
| 133 | |
| 134 | /* Ok, copy the args from the luser stack to the kernel stack. |
| 135 | * t3 is the precomputed number of instruction bytes needed to |
| 136 | * load or store arguments 6-8. |
| 137 | */ |
| 138 | |
| 139 | la t1, 5f # load up to 3 arguments |
| 140 | subu t1, t3 |
| 141 | 1: lw t5, 16(t0) # argument #5 from usp |
| 142 | .set push |
| 143 | .set noreorder |
| 144 | .set nomacro |
| 145 | jr t1 |
| 146 | addiu t1, 6f - 5f |
| 147 | |
| 148 | 2: lw t8, 28(t0) # argument #8 from usp |
| 149 | 3: lw t7, 24(t0) # argument #7 from usp |
| 150 | 4: lw t6, 20(t0) # argument #6 from usp |
| 151 | 5: jr t1 |
| 152 | sw t5, 16(sp) # argument #5 to ksp |
| 153 | |
| 154 | sw t8, 28(sp) # argument #8 to ksp |
| 155 | sw t7, 24(sp) # argument #7 to ksp |
| 156 | sw t6, 20(sp) # argument #6 to ksp |
| 157 | 6: j stack_done # go back |
| 158 | nop |
| 159 | .set pop |
| 160 | |
| 161 | .section __ex_table,"a" |
| 162 | PTR 1b,bad_stack |
| 163 | PTR 2b,bad_stack |
| 164 | PTR 3b,bad_stack |
| 165 | PTR 4b,bad_stack |
| 166 | .previous |
| 167 | |
| 168 | /* |
| 169 | * The stackpointer for a call with more than 4 arguments is bad. |
| 170 | * We probably should handle this case a bit more drastic. |
| 171 | */ |
| 172 | bad_stack: |
| 173 | negu v0 # error |
| 174 | sw v0, PT_R0(sp) |
| 175 | sw v0, PT_R2(sp) |
| 176 | li t0, 1 # set error flag |
| 177 | sw t0, PT_R7(sp) |
| 178 | j o32_syscall_exit |
| 179 | |
| 180 | /* |
| 181 | * The system call does not exist in this kernel |
| 182 | */ |
| 183 | illegal_syscall: |
| 184 | li v0, -ENOSYS # error |
| 185 | sw v0, PT_R2(sp) |
| 186 | li t0, 1 # set error flag |
| 187 | sw t0, PT_R7(sp) |
| 188 | j o32_syscall_exit |
| 189 | END(handle_sys) |
| 190 | |
| 191 | LEAF(mips_atomic_set) |
| 192 | andi v0, a1, 3 # must be word aligned |
| 193 | bnez v0, bad_alignment |
| 194 | |
| 195 | lw v1, TI_ADDR_LIMIT($28) # in legal address range? |
| 196 | addiu a0, a1, 4 |
| 197 | or a0, a0, a1 |
| 198 | and a0, a0, v1 |
| 199 | bltz a0, bad_address |
| 200 | |
| 201 | #ifdef CONFIG_CPU_HAS_LLSC |
| 202 | /* Ok, this is the ll/sc case. World is sane :-) */ |
| 203 | 1: ll v0, (a1) |
| 204 | move a0, a2 |
| 205 | 2: sc a0, (a1) |
| 206 | #if R10000_LLSC_WAR |
| 207 | beqzl a0, 1b |
| 208 | #else |
| 209 | beqz a0, 1b |
| 210 | #endif |
| 211 | |
| 212 | .section __ex_table,"a" |
| 213 | PTR 1b, bad_stack |
| 214 | PTR 2b, bad_stack |
| 215 | .previous |
| 216 | #else |
| 217 | sw a1, 16(sp) |
| 218 | sw a2, 20(sp) |
| 219 | |
| 220 | move a0, sp |
| 221 | move a2, a1 |
| 222 | li a1, 1 |
| 223 | jal do_page_fault |
| 224 | |
| 225 | lw a1, 16(sp) |
| 226 | lw a2, 20(sp) |
| 227 | |
| 228 | /* |
| 229 | * At this point the page should be readable and writable unless |
| 230 | * there was no more memory available. |
| 231 | */ |
| 232 | 1: lw v0, (a1) |
| 233 | 2: sw a2, (a1) |
| 234 | |
| 235 | .section __ex_table,"a" |
| 236 | PTR 1b, no_mem |
| 237 | PTR 2b, no_mem |
| 238 | .previous |
| 239 | #endif |
| 240 | |
| 241 | sw zero, PT_R7(sp) # success |
| 242 | sw v0, PT_R2(sp) # result |
| 243 | |
| 244 | /* Success, so skip usual error handling garbage. */ |
| 245 | lw a2, TI_FLAGS($28) # syscall tracing enabled? |
| 246 | li t0, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT |
| 247 | and t0, a2, t0 |
| 248 | bnez t0, 1f |
| 249 | |
| 250 | j o32_syscall_exit |
| 251 | |
| 252 | 1: SAVE_STATIC |
| 253 | move a0, sp |
| 254 | li a1, 1 |
| 255 | jal do_syscall_trace |
| 256 | j syscall_exit |
| 257 | |
| 258 | no_mem: li v0, -ENOMEM |
| 259 | jr ra |
| 260 | |
| 261 | bad_address: |
| 262 | li v0, -EFAULT |
| 263 | jr ra |
| 264 | |
| 265 | bad_alignment: |
| 266 | li v0, -EINVAL |
| 267 | jr ra |
| 268 | END(mips_atomic_set) |
| 269 | |
| 270 | LEAF(sys_sysmips) |
| 271 | beq a0, MIPS_ATOMIC_SET, mips_atomic_set |
| 272 | j _sys_sysmips |
| 273 | END(sys_sysmips) |
| 274 | |
| 275 | LEAF(sys_syscall) |
| 276 | #if defined(CONFIG_BINFMT_IRIX) |
| 277 | sltiu v0, a0, MAX_SYSCALL_NO + 1 # check syscall number |
| 278 | #else |
| 279 | subu t0, a0, __NR_O32_Linux # check syscall number |
| 280 | sltiu v0, t0, __NR_O32_Linux_syscalls + 1 |
| 281 | #endif |
| 282 | sll t1, t0, 3 |
| 283 | beqz v0, einval |
| 284 | |
| 285 | lw t2, sys_call_table(t1) # syscall routine |
| 286 | |
| 287 | #if defined(CONFIG_BINFMT_IRIX) |
| 288 | li v1, 4000 # nr of sys_syscall |
| 289 | #else |
| 290 | li v1, 4000 - __NR_O32_Linux # index of sys_syscall |
| 291 | #endif |
| 292 | beq t0, v1, einval # do not recurse |
| 293 | |
| 294 | /* Some syscalls like execve get their arguments from struct pt_regs |
| 295 | and claim zero arguments in the syscall table. Thus we have to |
| 296 | assume the worst case and shuffle around all potential arguments. |
| 297 | If you want performance, don't use indirect syscalls. */ |
| 298 | |
| 299 | move a0, a1 # shift argument registers |
| 300 | move a1, a2 |
| 301 | move a2, a3 |
| 302 | lw a3, 16(sp) |
| 303 | lw t4, 20(sp) |
| 304 | lw t5, 24(sp) |
| 305 | lw t6, 28(sp) |
| 306 | sw t4, 16(sp) |
| 307 | sw t5, 20(sp) |
| 308 | sw t6, 24(sp) |
| 309 | sw a0, PT_R4(sp) # .. and push back a0 - a3, some |
| 310 | sw a1, PT_R5(sp) # syscalls expect them there |
| 311 | sw a2, PT_R6(sp) |
| 312 | sw a3, PT_R7(sp) |
| 313 | sw a3, PT_R26(sp) # update a3 for syscall restarting |
| 314 | jr t2 |
| 315 | /* Unreached */ |
| 316 | |
| 317 | einval: li v0, -EINVAL |
| 318 | jr ra |
| 319 | END(sys_syscall) |
| 320 | |
| 321 | .macro fifty ptr, nargs, from=1, to=50 |
| 322 | sys \ptr \nargs |
| 323 | .if \to-\from |
| 324 | fifty \ptr,\nargs,"(\from+1)",\to |
| 325 | .endif |
| 326 | .endm |
| 327 | |
| 328 | .macro mille ptr, nargs, from=1, to=20 |
| 329 | fifty \ptr,\nargs |
| 330 | .if \to-\from |
| 331 | mille \ptr,\nargs,"(\from+1)",\to |
| 332 | .endif |
| 333 | .endm |
| 334 | |
| 335 | .macro syscalltable |
| 336 | #if defined(CONFIG_BINFMT_IRIX) |
| 337 | mille sys_ni_syscall 0 /* 0 - 999 SVR4 flavour */ |
| 338 | mille sys_ni_syscall 0 /* 1000 - 1999 32-bit IRIX */ |
| 339 | mille sys_ni_syscall 0 /* 2000 - 2999 BSD43 flavour */ |
| 340 | mille sys_ni_syscall 0 /* 3000 - 3999 POSIX flavour */ |
| 341 | #endif |
| 342 | |
| 343 | sys sys_syscall 8 /* 4000 */ |
| 344 | sys sys_exit 1 |
| 345 | sys sys_fork 0 |
| 346 | sys sys_read 3 |
| 347 | sys sys_write 3 |
| 348 | sys sys_open 3 /* 4005 */ |
| 349 | sys sys_close 1 |
| 350 | sys sys_waitpid 3 |
| 351 | sys sys_creat 2 |
| 352 | sys sys_link 2 |
| 353 | sys sys_unlink 1 /* 4010 */ |
| 354 | sys sys_execve 0 |
| 355 | sys sys_chdir 1 |
| 356 | sys sys_time 1 |
| 357 | sys sys_mknod 3 |
| 358 | sys sys_chmod 2 /* 4015 */ |
| 359 | sys sys_lchown 3 |
| 360 | sys sys_ni_syscall 0 |
| 361 | sys sys_ni_syscall 0 /* was sys_stat */ |
| 362 | sys sys_lseek 3 |
| 363 | sys sys_getpid 0 /* 4020 */ |
| 364 | sys sys_mount 5 |
| 365 | sys sys_oldumount 1 |
| 366 | sys sys_setuid 1 |
| 367 | sys sys_getuid 0 |
| 368 | sys sys_stime 1 /* 4025 */ |
| 369 | sys sys_ptrace 4 |
| 370 | sys sys_alarm 1 |
| 371 | sys sys_ni_syscall 0 /* was sys_fstat */ |
| 372 | sys sys_pause 0 |
| 373 | sys sys_utime 2 /* 4030 */ |
| 374 | sys sys_ni_syscall 0 |
| 375 | sys sys_ni_syscall 0 |
| 376 | sys sys_access 2 |
| 377 | sys sys_nice 1 |
| 378 | sys sys_ni_syscall 0 /* 4035 */ |
| 379 | sys sys_sync 0 |
| 380 | sys sys_kill 2 |
| 381 | sys sys_rename 2 |
| 382 | sys sys_mkdir 2 |
| 383 | sys sys_rmdir 1 /* 4040 */ |
| 384 | sys sys_dup 1 |
| 385 | sys sys_pipe 0 |
| 386 | sys sys_times 1 |
| 387 | sys sys_ni_syscall 0 |
| 388 | sys sys_brk 1 /* 4045 */ |
| 389 | sys sys_setgid 1 |
| 390 | sys sys_getgid 0 |
| 391 | sys sys_ni_syscall 0 /* was signal(2) */ |
| 392 | sys sys_geteuid 0 |
| 393 | sys sys_getegid 0 /* 4050 */ |
| 394 | sys sys_acct 1 |
| 395 | sys sys_umount 2 |
| 396 | sys sys_ni_syscall 0 |
| 397 | sys sys_ioctl 3 |
| 398 | sys sys_fcntl 3 /* 4055 */ |
| 399 | sys sys_ni_syscall 2 |
| 400 | sys sys_setpgid 2 |
| 401 | sys sys_ni_syscall 0 |
| 402 | sys sys_olduname 1 |
| 403 | sys sys_umask 1 /* 4060 */ |
| 404 | sys sys_chroot 1 |
| 405 | sys sys_ustat 2 |
| 406 | sys sys_dup2 2 |
| 407 | sys sys_getppid 0 |
| 408 | sys sys_getpgrp 0 /* 4065 */ |
| 409 | sys sys_setsid 0 |
| 410 | sys sys_sigaction 3 |
| 411 | sys sys_sgetmask 0 |
| 412 | sys sys_ssetmask 1 |
| 413 | sys sys_setreuid 2 /* 4070 */ |
| 414 | sys sys_setregid 2 |
| 415 | sys sys_sigsuspend 0 |
| 416 | sys sys_sigpending 1 |
| 417 | sys sys_sethostname 2 |
| 418 | sys sys_setrlimit 2 /* 4075 */ |
| 419 | sys sys_getrlimit 2 |
| 420 | sys sys_getrusage 2 |
| 421 | sys sys_gettimeofday 2 |
| 422 | sys sys_settimeofday 2 |
| 423 | sys sys_getgroups 2 /* 4080 */ |
| 424 | sys sys_setgroups 2 |
| 425 | sys sys_ni_syscall 0 /* old_select */ |
| 426 | sys sys_symlink 2 |
| 427 | sys sys_ni_syscall 0 /* was sys_lstat */ |
| 428 | sys sys_readlink 3 /* 4085 */ |
| 429 | sys sys_uselib 1 |
| 430 | sys sys_swapon 2 |
| 431 | sys sys_reboot 3 |
| 432 | sys old_readdir 3 |
| 433 | sys old_mmap 6 /* 4090 */ |
| 434 | sys sys_munmap 2 |
| 435 | sys sys_truncate 2 |
| 436 | sys sys_ftruncate 2 |
| 437 | sys sys_fchmod 2 |
| 438 | sys sys_fchown 3 /* 4095 */ |
| 439 | sys sys_getpriority 2 |
| 440 | sys sys_setpriority 3 |
| 441 | sys sys_ni_syscall 0 |
| 442 | sys sys_statfs 2 |
| 443 | sys sys_fstatfs 2 /* 4100 */ |
| 444 | sys sys_ni_syscall 0 /* was ioperm(2) */ |
| 445 | sys sys_socketcall 2 |
| 446 | sys sys_syslog 3 |
| 447 | sys sys_setitimer 3 |
| 448 | sys sys_getitimer 2 /* 4105 */ |
| 449 | sys sys_newstat 2 |
| 450 | sys sys_newlstat 2 |
| 451 | sys sys_newfstat 2 |
| 452 | sys sys_uname 1 |
| 453 | sys sys_ni_syscall 0 /* 4110 was iopl(2) */ |
| 454 | sys sys_vhangup 0 |
| 455 | sys sys_ni_syscall 0 /* was sys_idle() */ |
| 456 | sys sys_ni_syscall 0 /* was sys_vm86 */ |
| 457 | sys sys_wait4 4 |
| 458 | sys sys_swapoff 1 /* 4115 */ |
| 459 | sys sys_sysinfo 1 |
| 460 | sys sys_ipc 6 |
| 461 | sys sys_fsync 1 |
| 462 | sys sys_sigreturn 0 |
| 463 | sys sys_clone 0 /* 4120 */ |
| 464 | sys sys_setdomainname 2 |
| 465 | sys sys_newuname 1 |
| 466 | sys sys_ni_syscall 0 /* sys_modify_ldt */ |
| 467 | sys sys_adjtimex 1 |
| 468 | sys sys_mprotect 3 /* 4125 */ |
| 469 | sys sys_sigprocmask 3 |
| 470 | sys sys_ni_syscall 0 /* was create_module */ |
| 471 | sys sys_init_module 5 |
| 472 | sys sys_delete_module 1 |
| 473 | sys sys_ni_syscall 0 /* 4130 was get_kernel_syms */ |
| 474 | sys sys_quotactl 4 |
| 475 | sys sys_getpgid 1 |
| 476 | sys sys_fchdir 1 |
| 477 | sys sys_bdflush 2 |
| 478 | sys sys_sysfs 3 /* 4135 */ |
| 479 | sys sys_personality 1 |
| 480 | sys sys_ni_syscall 0 /* for afs_syscall */ |
| 481 | sys sys_setfsuid 1 |
| 482 | sys sys_setfsgid 1 |
| 483 | sys sys_llseek 5 /* 4140 */ |
| 484 | sys sys_getdents 3 |
| 485 | sys sys_select 5 |
| 486 | sys sys_flock 2 |
| 487 | sys sys_msync 3 |
| 488 | sys sys_readv 3 /* 4145 */ |
| 489 | sys sys_writev 3 |
| 490 | sys sys_cacheflush 3 |
| 491 | sys sys_cachectl 3 |
| 492 | sys sys_sysmips 4 |
| 493 | sys sys_ni_syscall 0 /* 4150 */ |
| 494 | sys sys_getsid 1 |
| 495 | sys sys_fdatasync 1 |
| 496 | sys sys_sysctl 1 |
| 497 | sys sys_mlock 2 |
| 498 | sys sys_munlock 2 /* 4155 */ |
| 499 | sys sys_mlockall 1 |
| 500 | sys sys_munlockall 0 |
| 501 | sys sys_sched_setparam 2 |
| 502 | sys sys_sched_getparam 2 |
| 503 | sys sys_sched_setscheduler 3 /* 4160 */ |
| 504 | sys sys_sched_getscheduler 1 |
| 505 | sys sys_sched_yield 0 |
| 506 | sys sys_sched_get_priority_max 1 |
| 507 | sys sys_sched_get_priority_min 1 |
| 508 | sys sys_sched_rr_get_interval 2 /* 4165 */ |
| 509 | sys sys_nanosleep, 2 |
| 510 | sys sys_mremap, 4 |
| 511 | sys sys_accept 3 |
| 512 | sys sys_bind 3 |
| 513 | sys sys_connect 3 /* 4170 */ |
| 514 | sys sys_getpeername 3 |
| 515 | sys sys_getsockname 3 |
| 516 | sys sys_getsockopt 5 |
| 517 | sys sys_listen 2 |
| 518 | sys sys_recv 4 /* 4175 */ |
| 519 | sys sys_recvfrom 6 |
| 520 | sys sys_recvmsg 3 |
| 521 | sys sys_send 4 |
| 522 | sys sys_sendmsg 3 |
| 523 | sys sys_sendto 6 /* 4180 */ |
| 524 | sys sys_setsockopt 5 |
| 525 | sys sys_shutdown 2 |
| 526 | sys sys_socket 3 |
| 527 | sys sys_socketpair 4 |
| 528 | sys sys_setresuid 3 /* 4185 */ |
| 529 | sys sys_getresuid 3 |
| 530 | sys sys_ni_syscall 0 /* was sys_query_module */ |
| 531 | sys sys_poll 3 |
| 532 | sys sys_nfsservctl 3 |
| 533 | sys sys_setresgid 3 /* 4190 */ |
| 534 | sys sys_getresgid 3 |
| 535 | sys sys_prctl 5 |
| 536 | sys sys_rt_sigreturn 0 |
| 537 | sys sys_rt_sigaction 4 |
| 538 | sys sys_rt_sigprocmask 4 /* 4195 */ |
| 539 | sys sys_rt_sigpending 2 |
| 540 | sys sys_rt_sigtimedwait 4 |
| 541 | sys sys_rt_sigqueueinfo 3 |
| 542 | sys sys_rt_sigsuspend 0 |
| 543 | sys sys_pread64 6 /* 4200 */ |
| 544 | sys sys_pwrite64 6 |
| 545 | sys sys_chown 3 |
| 546 | sys sys_getcwd 2 |
| 547 | sys sys_capget 2 |
| 548 | sys sys_capset 2 /* 4205 */ |
| 549 | sys sys_sigaltstack 0 |
| 550 | sys sys_sendfile 4 |
| 551 | sys sys_ni_syscall 0 |
| 552 | sys sys_ni_syscall 0 |
| 553 | sys sys_mmap2 6 /* 4210 */ |
| 554 | sys sys_truncate64 4 |
| 555 | sys sys_ftruncate64 4 |
| 556 | sys sys_stat64 2 |
| 557 | sys sys_lstat64 2 |
| 558 | sys sys_fstat64 2 /* 4215 */ |
| 559 | sys sys_pivot_root 2 |
| 560 | sys sys_mincore 3 |
| 561 | sys sys_madvise 3 |
| 562 | sys sys_getdents64 3 |
| 563 | sys sys_fcntl64 3 /* 4220 */ |
| 564 | sys sys_ni_syscall 0 |
| 565 | sys sys_gettid 0 |
| 566 | sys sys_readahead 5 |
| 567 | sys sys_setxattr 5 |
| 568 | sys sys_lsetxattr 5 /* 4225 */ |
| 569 | sys sys_fsetxattr 5 |
| 570 | sys sys_getxattr 4 |
| 571 | sys sys_lgetxattr 4 |
| 572 | sys sys_fgetxattr 4 |
| 573 | sys sys_listxattr 3 /* 4230 */ |
| 574 | sys sys_llistxattr 3 |
| 575 | sys sys_flistxattr 3 |
| 576 | sys sys_removexattr 2 |
| 577 | sys sys_lremovexattr 2 |
| 578 | sys sys_fremovexattr 2 /* 4235 */ |
| 579 | sys sys_tkill 2 |
| 580 | sys sys_sendfile64 5 |
| 581 | sys sys_futex 2 |
| 582 | sys sys_sched_setaffinity 3 |
| 583 | sys sys_sched_getaffinity 3 /* 4240 */ |
| 584 | sys sys_io_setup 2 |
| 585 | sys sys_io_destroy 1 |
| 586 | sys sys_io_getevents 5 |
| 587 | sys sys_io_submit 3 |
| 588 | sys sys_io_cancel 3 /* 4245 */ |
| 589 | sys sys_exit_group 1 |
| 590 | sys sys_lookup_dcookie 3 |
| 591 | sys sys_epoll_create 1 |
| 592 | sys sys_epoll_ctl 4 |
| 593 | sys sys_epoll_wait 3 /* 4250 */ |
| 594 | sys sys_remap_file_pages 5 |
| 595 | sys sys_set_tid_address 1 |
| 596 | sys sys_restart_syscall 0 |
| 597 | sys sys_fadvise64_64 7 |
| 598 | sys sys_statfs64 3 /* 4255 */ |
| 599 | sys sys_fstatfs64 2 |
| 600 | sys sys_timer_create 3 |
| 601 | sys sys_timer_settime 4 |
| 602 | sys sys_timer_gettime 2 |
| 603 | sys sys_timer_getoverrun 1 /* 4260 */ |
| 604 | sys sys_timer_delete 1 |
| 605 | sys sys_clock_settime 2 |
| 606 | sys sys_clock_gettime 2 |
| 607 | sys sys_clock_getres 2 |
| 608 | sys sys_clock_nanosleep 4 /* 4265 */ |
| 609 | sys sys_tgkill 3 |
| 610 | sys sys_utimes 2 |
| 611 | sys sys_mbind 4 |
| 612 | sys sys_ni_syscall 0 /* sys_get_mempolicy */ |
| 613 | sys sys_ni_syscall 0 /* 4270 sys_set_mempolicy */ |
| 614 | sys sys_mq_open 4 |
| 615 | sys sys_mq_unlink 1 |
| 616 | sys sys_mq_timedsend 5 |
| 617 | sys sys_mq_timedreceive 5 |
| 618 | sys sys_mq_notify 2 /* 4275 */ |
| 619 | sys sys_mq_getsetattr 3 |
| 620 | sys sys_ni_syscall 0 /* sys_vserver */ |
| 621 | sys sys_waitid 4 |
| 622 | sys sys_ni_syscall 0 /* available, was setaltroot */ |
| 623 | sys sys_add_key 5 |
| 624 | sys sys_request_key 4 |
| 625 | sys sys_keyctl 5 |
| 626 | |
| 627 | .endm |
| 628 | |
| 629 | /* We pre-compute the number of _instruction_ bytes needed to |
| 630 | load or store the arguments 6-8. Negative values are ignored. */ |
| 631 | |
| 632 | .macro sys function, nargs |
| 633 | PTR \function |
| 634 | LONG (\nargs << 2) - (5 << 2) |
| 635 | .endm |
| 636 | |
| 637 | .align 3 |
| 638 | .type sys_call_table,@object |
| 639 | EXPORT(sys_call_table) |
| 640 | syscalltable |
| 641 | .size sys_call_table, . - sys_call_table |