projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
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) 1999, 2000 Silicon Graphics, Inc. | |
| 8 | * Copyright (C) 2001 MIPS Technologies, Inc. | |
| 9 | */ | |
| 1da177e4 LT |
10 | #include <linux/errno.h> |
| 11 | #include <asm/asm.h> | |
| 12 | #include <asm/asmmacro.h> | |
| 192ef366 | 13 | #include <asm/irqflags.h> |
| 1da177e4 LT |
14 | #include <asm/mipsregs.h> |
| 15 | #include <asm/regdef.h> | |
| 16 | #include <asm/stackframe.h> | |
| 048eb582 | 17 | #include <asm/asm-offsets.h> |
| 1da177e4 LT |
18 | #include <asm/sysmips.h> |
| 19 | #include <asm/thread_info.h> | |
| 20 | #include <asm/unistd.h> | |
| 21 | #include <asm/war.h> | |
| 22 | ||
| 23 | #ifndef CONFIG_BINFMT_ELF32 | |
| 24 | /* Neither O32 nor N32, so define handle_sys here */ | |
| 25 | #define handle_sys64 handle_sys | |
| 26 | #endif | |
| 27 | ||
| 70342287 | 28 | .align 5 |
| 1da177e4 LT |
29 | NESTED(handle_sys64, PT_SIZE, sp) |
| 30 | #if !defined(CONFIG_MIPS32_O32) && !defined(CONFIG_MIPS32_N32) | |
| 31 | /* | |
| 32 | * When 32-bit compatibility is configured scall_o32.S | |
| 33 | * already did this. | |
| 34 | */ | |
| 35 | .set noat | |
| 36 | SAVE_SOME | |
| eae6c0da | 37 | TRACE_IRQS_ON_RELOAD |
| 1da177e4 LT |
38 | STI |
| 39 | .set at | |
| 40 | #endif | |
| 41 | ||
| 1da177e4 LT |
42 | #if !defined(CONFIG_MIPS32_O32) && !defined(CONFIG_MIPS32_N32) |
| 43 | ld t1, PT_EPC(sp) # skip syscall on return | |
| 44 | daddiu t1, 4 # skip to next instruction | |
| 45 | sd t1, PT_EPC(sp) | |
| 46 | #endif | |
| 1da177e4 LT |
47 | |
| 48 | sd a3, PT_R26(sp) # save a3 for syscall restarting | |
| 49 | ||
| e7f3b48a | 50 | li t1, _TIF_WORK_SYSCALL_ENTRY |
| 1da177e4 LT |
51 | LONG_L t0, TI_FLAGS($28) # syscall tracing enabled? |
| 52 | and t0, t1, t0 | |
| 53 | bnez t0, syscall_trace_entry | |
| 54 | ||
| d218af78 MC |
55 | syscall_common: |
| 56 | dsubu t2, v0, __NR_64_Linux | |
| 57 | sltiu t0, t2, __NR_64_Linux_syscalls + 1 | |
| 58 | beqz t0, illegal_syscall | |
| 59 | ||
| 60 | dsll t0, t2, 3 # offset into table | |
| 61 | dla t2, sys_call_table | |
| 62 | daddu t0, t2, t0 | |
| 63 | ld t2, (t0) # syscall routine | |
| 64 | beqz t2, illegal_syscall | |
| 65 | ||
| 1da177e4 LT |
66 | jalr t2 # Do The Real Thing (TM) |
| 67 | ||
| 68 | li t0, -EMAXERRNO - 1 # error? | |
| 69 | sltu t0, t0, v0 | |
| 70 | sd t0, PT_R7(sp) # set error flag | |
| 71 | beqz t0, 1f | |
| 72 | ||
| 8f5a00eb | 73 | ld t1, PT_R2(sp) # syscall number |
| 1da177e4 | 74 | dnegu v0 # error |
| 8f5a00eb | 75 | sd t1, PT_R0(sp) # save it for syscall restarting |
| 1da177e4 LT |
76 | 1: sd v0, PT_R2(sp) # result |
| 77 | ||
| 78 | n64_syscall_exit: | |
| 02f884ed | 79 | j syscall_exit_partial |
| 1da177e4 LT |
80 | |
| 81 | /* ------------------------------------------------------------------------ */ | |
| 82 | ||
| 83 | syscall_trace_entry: | |
| 84 | SAVE_STATIC | |
| 1da177e4 | 85 | move a0, sp |
| 9f161439 | 86 | move a1, v0 |
| 8b659a39 | 87 | jal syscall_trace_enter |
| 1da177e4 | 88 | |
| d218af78 | 89 | bltz v0, 1f # seccomp failed? Skip syscall |
| 9d37c405 | 90 | |
| 04a7052c | 91 | RESTORE_STATIC |
| a400bed6 | 92 | ld v0, PT_R2(sp) # Restore syscall (maybe modified) |
| 1da177e4 LT |
93 | ld a0, PT_R4(sp) # Restore argument registers |
| 94 | ld a1, PT_R5(sp) | |
| 95 | ld a2, PT_R6(sp) | |
| 96 | ld a3, PT_R7(sp) | |
| 97 | ld a4, PT_R8(sp) | |
| 98 | ld a5, PT_R9(sp) | |
| d218af78 | 99 | j syscall_common |
| 1da177e4 | 100 | |
| d218af78 | 101 | 1: j syscall_exit |
| 1da177e4 LT |
102 | |
| 103 | illegal_syscall: | |
| 104 | /* This also isn't a 64-bit syscall, throw an error. */ | |
| bda8229b | 105 | li v0, ENOSYS # error |
| 1da177e4 LT |
106 | sd v0, PT_R2(sp) |
| 107 | li t0, 1 # set error flag | |
| 108 | sd t0, PT_R7(sp) | |
| 109 | j n64_syscall_exit | |
| 110 | END(handle_sys64) | |
| 111 | ||
| 1da177e4 | 112 | .align 3 |
| 03b94e2e RB |
113 | .type sys_call_table, @object |
| 114 | EXPORT(sys_call_table) | |
| 1da177e4 LT |
115 | PTR sys_read /* 5000 */ |
| 116 | PTR sys_write | |
| 117 | PTR sys_open | |
| 118 | PTR sys_close | |
| 119 | PTR sys_newstat | |
| 120 | PTR sys_newfstat /* 5005 */ | |
| 121 | PTR sys_newlstat | |
| 122 | PTR sys_poll | |
| 123 | PTR sys_lseek | |
| dbda6ac0 | 124 | PTR sys_mips_mmap |
| 1da177e4 LT |
125 | PTR sys_mprotect /* 5010 */ |
| 126 | PTR sys_munmap | |
| 127 | PTR sys_brk | |
| 128 | PTR sys_rt_sigaction | |
| 129 | PTR sys_rt_sigprocmask | |
| 130 | PTR sys_ioctl /* 5015 */ | |
| 131 | PTR sys_pread64 | |
| 132 | PTR sys_pwrite64 | |
| 133 | PTR sys_readv | |
| 134 | PTR sys_writev | |
| 135 | PTR sys_access /* 5020 */ | |
| 8213bbf9 | 136 | PTR sysm_pipe |
| 1da177e4 LT |
137 | PTR sys_select |
| 138 | PTR sys_sched_yield | |
| 139 | PTR sys_mremap | |
| 140 | PTR sys_msync /* 5025 */ | |
| 141 | PTR sys_mincore | |
| 142 | PTR sys_madvise | |
| 143 | PTR sys_shmget | |
| 144 | PTR sys_shmat | |
| 145 | PTR sys_shmctl /* 5030 */ | |
| 146 | PTR sys_dup | |
| 147 | PTR sys_dup2 | |
| 148 | PTR sys_pause | |
| 149 | PTR sys_nanosleep | |
| 150 | PTR sys_getitimer /* 5035 */ | |
| 151 | PTR sys_setitimer | |
| 152 | PTR sys_alarm | |
| 153 | PTR sys_getpid | |
| 154 | PTR sys_sendfile64 | |
| 155 | PTR sys_socket /* 5040 */ | |
| 156 | PTR sys_connect | |
| 157 | PTR sys_accept | |
| 158 | PTR sys_sendto | |
| 159 | PTR sys_recvfrom | |
| 160 | PTR sys_sendmsg /* 5045 */ | |
| 161 | PTR sys_recvmsg | |
| 162 | PTR sys_shutdown | |
| 163 | PTR sys_bind | |
| 164 | PTR sys_listen | |
| 165 | PTR sys_getsockname /* 5050 */ | |
| 166 | PTR sys_getpeername | |
| 167 | PTR sys_socketpair | |
| 168 | PTR sys_setsockopt | |
| 169 | PTR sys_getsockopt | |
| 50150d2b AV |
170 | PTR __sys_clone /* 5055 */ |
| 171 | PTR __sys_fork | |
| 1da177e4 LT |
172 | PTR sys_execve |
| 173 | PTR sys_exit | |
| 174 | PTR sys_wait4 | |
| 175 | PTR sys_kill /* 5060 */ | |
| 176 | PTR sys_newuname | |
| 177 | PTR sys_semget | |
| 178 | PTR sys_semop | |
| 179 | PTR sys_semctl | |
| 180 | PTR sys_shmdt /* 5065 */ | |
| 181 | PTR sys_msgget | |
| 182 | PTR sys_msgsnd | |
| 183 | PTR sys_msgrcv | |
| 184 | PTR sys_msgctl | |
| 185 | PTR sys_fcntl /* 5070 */ | |
| 186 | PTR sys_flock | |
| 187 | PTR sys_fsync | |
| 188 | PTR sys_fdatasync | |
| 189 | PTR sys_truncate | |
| 190 | PTR sys_ftruncate /* 5075 */ | |
| 191 | PTR sys_getdents | |
| 192 | PTR sys_getcwd | |
| 193 | PTR sys_chdir | |
| 194 | PTR sys_fchdir | |
| 195 | PTR sys_rename /* 5080 */ | |
| 196 | PTR sys_mkdir | |
| 197 | PTR sys_rmdir | |
| 198 | PTR sys_creat | |
| 199 | PTR sys_link | |
| 200 | PTR sys_unlink /* 5085 */ | |
| 201 | PTR sys_symlink | |
| 202 | PTR sys_readlink | |
| 203 | PTR sys_chmod | |
| 204 | PTR sys_fchmod | |
| 205 | PTR sys_chown /* 5090 */ | |
| 206 | PTR sys_fchown | |
| 207 | PTR sys_lchown | |
| 208 | PTR sys_umask | |
| 209 | PTR sys_gettimeofday | |
| 210 | PTR sys_getrlimit /* 5095 */ | |
| 211 | PTR sys_getrusage | |
| 212 | PTR sys_sysinfo | |
| 213 | PTR sys_times | |
| 214 | PTR sys_ptrace | |
| 215 | PTR sys_getuid /* 5100 */ | |
| 216 | PTR sys_syslog | |
| 217 | PTR sys_getgid | |
| 218 | PTR sys_setuid | |
| 219 | PTR sys_setgid | |
| 220 | PTR sys_geteuid /* 5105 */ | |
| 221 | PTR sys_getegid | |
| 222 | PTR sys_setpgid | |
| 223 | PTR sys_getppid | |
| 224 | PTR sys_getpgrp | |
| 225 | PTR sys_setsid /* 5110 */ | |
| 226 | PTR sys_setreuid | |
| 227 | PTR sys_setregid | |
| 228 | PTR sys_getgroups | |
| 229 | PTR sys_setgroups | |
| 230 | PTR sys_setresuid /* 5115 */ | |
| 231 | PTR sys_getresuid | |
| 232 | PTR sys_setresgid | |
| 233 | PTR sys_getresgid | |
| 234 | PTR sys_getpgid | |
| 235 | PTR sys_setfsuid /* 5120 */ | |
| 236 | PTR sys_setfsgid | |
| 237 | PTR sys_getsid | |
| 238 | PTR sys_capget | |
| 239 | PTR sys_capset | |
| 240 | PTR sys_rt_sigpending /* 5125 */ | |
| 241 | PTR sys_rt_sigtimedwait | |
| 242 | PTR sys_rt_sigqueueinfo | |
| 243 | PTR sys_rt_sigsuspend | |
| 244 | PTR sys_sigaltstack | |
| 245 | PTR sys_utime /* 5130 */ | |
| 246 | PTR sys_mknod | |
| 247 | PTR sys_personality | |
| 248 | PTR sys_ustat | |
| 249 | PTR sys_statfs | |
| 250 | PTR sys_fstatfs /* 5135 */ | |
| 251 | PTR sys_sysfs | |
| 252 | PTR sys_getpriority | |
| 253 | PTR sys_setpriority | |
| 254 | PTR sys_sched_setparam | |
| 255 | PTR sys_sched_getparam /* 5140 */ | |
| 256 | PTR sys_sched_setscheduler | |
| 257 | PTR sys_sched_getscheduler | |
| 258 | PTR sys_sched_get_priority_max | |
| 259 | PTR sys_sched_get_priority_min | |
| 260 | PTR sys_sched_rr_get_interval /* 5145 */ | |
| 261 | PTR sys_mlock | |
| 262 | PTR sys_munlock | |
| 263 | PTR sys_mlockall | |
| 264 | PTR sys_munlockall | |
| 265 | PTR sys_vhangup /* 5150 */ | |
| 266 | PTR sys_pivot_root | |
| 267 | PTR sys_sysctl | |
| 268 | PTR sys_prctl | |
| 269 | PTR sys_adjtimex | |
| 270 | PTR sys_setrlimit /* 5155 */ | |
| 271 | PTR sys_chroot | |
| 272 | PTR sys_sync | |
| 273 | PTR sys_acct | |
| 274 | PTR sys_settimeofday | |
| 275 | PTR sys_mount /* 5160 */ | |
| 276 | PTR sys_umount | |
| 277 | PTR sys_swapon | |
| 278 | PTR sys_swapoff | |
| 279 | PTR sys_reboot | |
| 280 | PTR sys_sethostname /* 5165 */ | |
| 281 | PTR sys_setdomainname | |
| 282 | PTR sys_ni_syscall /* was create_module */ | |
| 283 | PTR sys_init_module | |
| 284 | PTR sys_delete_module | |
| 285 | PTR sys_ni_syscall /* 5170, was get_kernel_syms */ | |
| 286 | PTR sys_ni_syscall /* was query_module */ | |
| 287 | PTR sys_quotactl | |
| f5b94099 | 288 | PTR sys_ni_syscall /* was nfsservctl */ |
| 1da177e4 | 289 | PTR sys_ni_syscall /* res. for getpmsg */ |
| 70342287 | 290 | PTR sys_ni_syscall /* 5175 for putpmsg */ |
| 1da177e4 LT |
291 | PTR sys_ni_syscall /* res. for afs_syscall */ |
| 292 | PTR sys_ni_syscall /* res. for security */ | |
| 293 | PTR sys_gettid | |
| 294 | PTR sys_readahead | |
| 295 | PTR sys_setxattr /* 5180 */ | |
| 296 | PTR sys_lsetxattr | |
| 297 | PTR sys_fsetxattr | |
| 298 | PTR sys_getxattr | |
| 299 | PTR sys_lgetxattr | |
| 300 | PTR sys_fgetxattr /* 5185 */ | |
| 301 | PTR sys_listxattr | |
| 302 | PTR sys_llistxattr | |
| 303 | PTR sys_flistxattr | |
| 304 | PTR sys_removexattr | |
| 305 | PTR sys_lremovexattr /* 5190 */ | |
| 306 | PTR sys_fremovexattr | |
| 307 | PTR sys_tkill | |
| 308 | PTR sys_ni_syscall | |
| 309 | PTR sys_futex | |
| 310 | PTR sys_sched_setaffinity /* 5195 */ | |
| 311 | PTR sys_sched_getaffinity | |
| 312 | PTR sys_cacheflush | |
| 313 | PTR sys_cachectl | |
| 314 | PTR sys_sysmips | |
| 315 | PTR sys_io_setup /* 5200 */ | |
| 316 | PTR sys_io_destroy | |
| 317 | PTR sys_io_getevents | |
| 318 | PTR sys_io_submit | |
| 319 | PTR sys_io_cancel | |
| 320 | PTR sys_exit_group /* 5205 */ | |
| 321 | PTR sys_lookup_dcookie | |
| 322 | PTR sys_epoll_create | |
| 323 | PTR sys_epoll_ctl | |
| 324 | PTR sys_epoll_wait | |
| 325 | PTR sys_remap_file_pages /* 5210 */ | |
| 326 | PTR sys_rt_sigreturn | |
| 327 | PTR sys_set_tid_address | |
| 328 | PTR sys_restart_syscall | |
| 329 | PTR sys_semtimedop | |
| 330 | PTR sys_fadvise64_64 /* 5215 */ | |
| 331 | PTR sys_timer_create | |
| 332 | PTR sys_timer_settime | |
| 333 | PTR sys_timer_gettime | |
| 334 | PTR sys_timer_getoverrun | |
| 335 | PTR sys_timer_delete /* 5220 */ | |
| 336 | PTR sys_clock_settime | |
| 337 | PTR sys_clock_gettime | |
| 338 | PTR sys_clock_getres | |
| 339 | PTR sys_clock_nanosleep | |
| 340 | PTR sys_tgkill /* 5225 */ | |
| 341 | PTR sys_utimes | |
| 342 | PTR sys_mbind | |
| 1ff1ad6b HC |
343 | PTR sys_get_mempolicy |
| 344 | PTR sys_set_mempolicy | |
| 1da177e4 LT |
345 | PTR sys_mq_open /* 5230 */ |
| 346 | PTR sys_mq_unlink | |
| 347 | PTR sys_mq_timedsend | |
| 348 | PTR sys_mq_timedreceive | |
| 349 | PTR sys_mq_notify | |
| 350 | PTR sys_mq_getsetattr /* 5235 */ | |
| 351 | PTR sys_ni_syscall /* sys_vserver */ | |
| 352 | PTR sys_waitid | |
| 353 | PTR sys_ni_syscall /* available, was setaltroot */ | |
| 354 | PTR sys_add_key | |
| 355 | PTR sys_request_key /* 5240 */ | |
| 356 | PTR sys_keyctl | |
| 3c37026d | 357 | PTR sys_set_thread_area |
| 7db36c85 RB |
358 | PTR sys_inotify_init |
| 359 | PTR sys_inotify_add_watch | |
| 360 | PTR sys_inotify_rm_watch /* 5245 */ | |
| 72bf8914 RB |
361 | PTR sys_migrate_pages |
| 362 | PTR sys_openat | |
| 363 | PTR sys_mkdirat | |
| 364 | PTR sys_mknodat | |
| 365 | PTR sys_fchownat /* 5250 */ | |
| 366 | PTR sys_futimesat | |
| 367 | PTR sys_newfstatat | |
| 368 | PTR sys_unlinkat | |
| 369 | PTR sys_renameat | |
| 370 | PTR sys_linkat /* 5255 */ | |
| 371 | PTR sys_symlinkat | |
| 372 | PTR sys_readlinkat | |
| 373 | PTR sys_fchmodat | |
| 374 | PTR sys_faccessat | |
| 375 | PTR sys_pselect6 /* 5260 */ | |
| 376 | PTR sys_ppoll | |
| 377 | PTR sys_unshare | |
| f115da9c | 378 | PTR sys_splice |
| a8d587a7 | 379 | PTR sys_sync_file_range |
| 136d47d3 | 380 | PTR sys_tee /* 5265 */ |
| 722cfd90 RB |
381 | PTR sys_vmsplice |
| 382 | PTR sys_move_pages | |
| 7fdeb048 AN |
383 | PTR sys_set_robust_list |
| 384 | PTR sys_get_robust_list | |
| 583bb86f | 385 | PTR sys_kexec_load /* 5270 */ |
| 991ea26d | 386 | PTR sys_getcpu |
| e016c38d | 387 | PTR sys_epoll_pwait |
| 08253b39 RB |
388 | PTR sys_ioprio_set |
| 389 | PTR sys_ioprio_get | |
| 7a6d4f38 AN |
390 | PTR sys_utimensat /* 5275 */ |
| 391 | PTR sys_signalfd | |
| 8bdd5142 | 392 | PTR sys_ni_syscall /* was timerfd */ |
| 7a6d4f38 | 393 | PTR sys_eventfd |
| 4dc46775 | 394 | PTR sys_fallocate |
| 6783fe62 DV |
395 | PTR sys_timerfd_create /* 5280 */ |
| 396 | PTR sys_timerfd_gettime | |
| 397 | PTR sys_timerfd_settime | |
| 3885b71b RB |
398 | PTR sys_signalfd4 |
| 399 | PTR sys_eventfd2 | |
| 400 | PTR sys_epoll_create1 /* 5285 */ | |
| 401 | PTR sys_dup3 | |
| 402 | PTR sys_pipe2 | |
| 403 | PTR sys_inotify_init1 | |
| ddd9e91b | 404 | PTR sys_preadv |
| e080e616 | 405 | PTR sys_pwritev /* 5290 */ |
| 69f16c9a | 406 | PTR sys_rt_tgsigqueueinfo |
| cdd6c482 | 407 | PTR sys_perf_event_open |
| 54822de7 | 408 | PTR sys_accept4 |
| 5e844b31 | 409 | PTR sys_recvmmsg |
| e080e616 | 410 | PTR sys_fanotify_init /* 5295 */ |
| 5e844b31 DD |
411 | PTR sys_fanotify_mark |
| 412 | PTR sys_prlimit64 | |
| 84ed9432 DD |
413 | PTR sys_name_to_handle_at |
| 414 | PTR sys_open_by_handle_at | |
| 415 | PTR sys_clock_adjtime /* 5300 */ | |
| 1bbf2875 | 416 | PTR sys_syncfs |
| b12acf16 | 417 | PTR sys_sendmmsg |
| 7b21fddd | 418 | PTR sys_setns |
| 8ff8584e DD |
419 | PTR sys_process_vm_readv |
| 420 | PTR sys_process_vm_writev /* 5305 */ | |
| ce71d24c | 421 | PTR sys_kcmp |
| 6295150b | 422 | PTR sys_finit_module |
| dec33aba | 423 | PTR sys_getdents64 |
| 6776254b JH |
424 | PTR sys_sched_setattr |
| 425 | PTR sys_sched_getattr /* 5310 */ | |
| 367f0b50 | 426 | PTR sys_renameat2 |
| 8855d608 | 427 | PTR sys_seccomp |
| 42944521 RB |
428 | PTR sys_getrandom |
| 429 | PTR sys_memfd_create | |
| 5df4c8db | 430 | PTR sys_bpf /* 5315 */ |
| 389cdc5d | 431 | PTR sys_execveat |
| 96fc7a9c RB |
432 | PTR sys_userfaultfd |
| 433 | PTR sys_membarrier | |
| 784567f4 | 434 | PTR sys_mlock2 |
| e6c058f9 | 435 | PTR sys_copy_file_range /* 5320 */ |
| 62d8e644 RB |
436 | PTR sys_preadv2 |
| 437 | PTR sys_pwritev2 | |
| 11ed3e0e RB |
438 | PTR sys_pkey_mprotect |
| 439 | PTR sys_pkey_alloc | |
| 440 | PTR sys_pkey_free /* 5325 */ | |
| 9cb74b5e | 441 | PTR sys_statx |
| 08253b39 | 442 | .size sys_call_table,.-sys_call_table |