projects / deliverable / linux.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 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> | |
| 17 | #include <asm/thread_info.h> | |
| 18 | #include <asm/unistd.h> | |
| 19 | ||
| 20 | /* This duplicates the definition from <linux/sched.h> */ | |
| 21 | #define PT_TRACESYS 0x00000002 /* tracing system calls */ | |
| 22 | ||
| 23 | /* This duplicates the definition from <asm/signal.h> */ | |
| 24 | #define SIGILL 4 /* Illegal instruction (ANSI). */ | |
| 25 | ||
| 26 | #ifndef CONFIG_MIPS32_O32 | |
| 27 | /* No O32, so define handle_sys here */ | |
| 28 | #define handle_sysn32 handle_sys | |
| 29 | #endif | |
| 30 | ||
| 31 | .align 5 | |
| 32 | NESTED(handle_sysn32, PT_SIZE, sp) | |
| 33 | #ifndef CONFIG_MIPS32_O32 | |
| 34 | .set noat | |
| 35 | SAVE_SOME | |
| eae6c0da | 36 | TRACE_IRQS_ON_RELOAD |
| 1da177e4 LT |
37 | STI |
| 38 | .set at | |
| 39 | #endif | |
| 40 | ||
| 41 | dsubu t0, v0, __NR_N32_Linux # check syscall number | |
| 42 | sltiu t0, t0, __NR_N32_Linux_syscalls + 1 | |
| 43 | ||
| 44 | #ifndef CONFIG_MIPS32_O32 | |
| 45 | ld t1, PT_EPC(sp) # skip syscall on return | |
| 46 | daddiu t1, 4 # skip to next instruction | |
| 47 | sd t1, PT_EPC(sp) | |
| 48 | #endif | |
| 49 | beqz t0, not_n32_scall | |
| 50 | ||
| 51 | dsll t0, v0, 3 # offset into table | |
| 52 | ld t2, (sysn32_call_table - (__NR_N32_Linux * 8))(t0) | |
| 53 | ||
| 54 | sd a3, PT_R26(sp) # save a3 for syscall restarting | |
| 55 | ||
| 56 | li t1, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | |
| 57 | LONG_L t0, TI_FLAGS($28) # syscall tracing enabled? | |
| 58 | and t0, t1, t0 | |
| 59 | bnez t0, n32_syscall_trace_entry | |
| 60 | ||
| 61 | jalr t2 # Do The Real Thing (TM) | |
| 62 | ||
| 63 | li t0, -EMAXERRNO - 1 # error? | |
| 64 | sltu t0, t0, v0 | |
| 65 | sd t0, PT_R7(sp) # set error flag | |
| 66 | beqz t0, 1f | |
| 67 | ||
| 8f5a00eb | 68 | ld t1, PT_R2(sp) # syscall number |
| 1da177e4 | 69 | dnegu v0 # error |
| 8f5a00eb | 70 | sd t1, PT_R0(sp) # save it for syscall restarting |
| 1da177e4 LT |
71 | 1: sd v0, PT_R2(sp) # result |
| 72 | ||
| 02f884ed | 73 | j syscall_exit_partial |
| 1da177e4 LT |
74 | |
| 75 | /* ------------------------------------------------------------------------ */ | |
| 76 | ||
| 77 | n32_syscall_trace_entry: | |
| 78 | SAVE_STATIC | |
| 79 | move s0, t2 | |
| 80 | move a0, sp | |
| 8b659a39 | 81 | jal syscall_trace_enter |
| 1da177e4 | 82 | |
| 04a7052c RB |
83 | move t0, s0 |
| 84 | RESTORE_STATIC | |
| 1da177e4 LT |
85 | ld a0, PT_R4(sp) # Restore argument registers |
| 86 | ld a1, PT_R5(sp) | |
| 87 | ld a2, PT_R6(sp) | |
| 88 | ld a3, PT_R7(sp) | |
| 89 | ld a4, PT_R8(sp) | |
| 90 | ld a5, PT_R9(sp) | |
| 04a7052c | 91 | jalr t0 |
| 1da177e4 LT |
92 | |
| 93 | li t0, -EMAXERRNO - 1 # error? | |
| 94 | sltu t0, t0, v0 | |
| 95 | sd t0, PT_R7(sp) # set error flag | |
| 96 | beqz t0, 1f | |
| 97 | ||
| 8f5a00eb | 98 | ld t1, PT_R2(sp) # syscall number |
| 1da177e4 | 99 | dnegu v0 # error |
| 8f5a00eb | 100 | sd t1, PT_R0(sp) # save it for syscall restarting |
| 1da177e4 LT |
101 | 1: sd v0, PT_R2(sp) # result |
| 102 | ||
| 103 | j syscall_exit | |
| 104 | ||
| 105 | not_n32_scall: | |
| 106 | /* This is not an n32 compatibility syscall, pass it on to | |
| 107 | the n64 syscall handlers. */ | |
| 108 | j handle_sys64 | |
| 109 | ||
| 110 | END(handle_sysn32) | |
| 111 | ||
| 112 | EXPORT(sysn32_call_table) | |
| 113 | PTR sys_read /* 6000 */ | |
| 114 | PTR sys_write | |
| 115 | PTR sys_open | |
| 116 | PTR sys_close | |
| 117 | PTR sys_newstat | |
| 118 | PTR sys_newfstat /* 6005 */ | |
| 119 | PTR sys_newlstat | |
| 120 | PTR sys_poll | |
| 121 | PTR sys_lseek | |
| dbda6ac0 | 122 | PTR sys_mips_mmap |
| 1da177e4 LT |
123 | PTR sys_mprotect /* 6010 */ |
| 124 | PTR sys_munmap | |
| 125 | PTR sys_brk | |
| dbda6ac0 RB |
126 | PTR sys_32_rt_sigaction |
| 127 | PTR sys_32_rt_sigprocmask | |
| 1da177e4 LT |
128 | PTR compat_sys_ioctl /* 6015 */ |
| 129 | PTR sys_pread64 | |
| 130 | PTR sys_pwrite64 | |
| 131 | PTR compat_sys_readv | |
| 132 | PTR compat_sys_writev | |
| 133 | PTR sys_access /* 6020 */ | |
| 8213bbf9 | 134 | PTR sysm_pipe |
| 1da177e4 LT |
135 | PTR compat_sys_select |
| 136 | PTR sys_sched_yield | |
| 137 | PTR sys_mremap | |
| 138 | PTR sys_msync /* 6025 */ | |
| 139 | PTR sys_mincore | |
| 140 | PTR sys_madvise | |
| 141 | PTR sys_shmget | |
| 05e43966 AN |
142 | PTR sys_shmat |
| 143 | PTR compat_sys_shmctl /* 6030 */ | |
| 1da177e4 LT |
144 | PTR sys_dup |
| 145 | PTR sys_dup2 | |
| 146 | PTR sys_pause | |
| 147 | PTR compat_sys_nanosleep | |
| 148 | PTR compat_sys_getitimer /* 6035 */ | |
| 149 | PTR compat_sys_setitimer | |
| 150 | PTR sys_alarm | |
| 151 | PTR sys_getpid | |
| dbda6ac0 | 152 | PTR sys_32_sendfile |
| 1da177e4 LT |
153 | PTR sys_socket /* 6040 */ |
| 154 | PTR sys_connect | |
| 155 | PTR sys_accept | |
| 156 | PTR sys_sendto | |
| 1dacc76d | 157 | PTR compat_sys_recvfrom |
| 1da177e4 LT |
158 | PTR compat_sys_sendmsg /* 6045 */ |
| 159 | PTR compat_sys_recvmsg | |
| 160 | PTR sys_shutdown | |
| 161 | PTR sys_bind | |
| 162 | PTR sys_listen | |
| 163 | PTR sys_getsockname /* 6050 */ | |
| 164 | PTR sys_getpeername | |
| 165 | PTR sys_socketpair | |
| 166 | PTR compat_sys_setsockopt | |
| 167 | PTR sys_getsockopt | |
| 168 | PTR sys_clone /* 6055 */ | |
| 169 | PTR sys_fork | |
| 170 | PTR sys32_execve | |
| 171 | PTR sys_exit | |
| b6e203d8 | 172 | PTR compat_sys_wait4 |
| 1da177e4 | 173 | PTR sys_kill /* 6060 */ |
| e28cbf22 | 174 | PTR sys_newuname |
| 1da177e4 LT |
175 | PTR sys_semget |
| 176 | PTR sys_semop | |
| dbda6ac0 | 177 | PTR sys_n32_semctl |
| 1da177e4 LT |
178 | PTR sys_shmdt /* 6065 */ |
| 179 | PTR sys_msgget | |
| dbda6ac0 RB |
180 | PTR sys_n32_msgsnd |
| 181 | PTR sys_n32_msgrcv | |
| 05e43966 | 182 | PTR compat_sys_msgctl |
| 1da177e4 LT |
183 | PTR compat_sys_fcntl /* 6070 */ |
| 184 | PTR sys_flock | |
| 185 | PTR sys_fsync | |
| 186 | PTR sys_fdatasync | |
| 187 | PTR sys_truncate | |
| 188 | PTR sys_ftruncate /* 6075 */ | |
| 2fd628fe | 189 | PTR compat_sys_getdents |
| 1da177e4 LT |
190 | PTR sys_getcwd |
| 191 | PTR sys_chdir | |
| 192 | PTR sys_fchdir | |
| 193 | PTR sys_rename /* 6080 */ | |
| 194 | PTR sys_mkdir | |
| 195 | PTR sys_rmdir | |
| 196 | PTR sys_creat | |
| 197 | PTR sys_link | |
| 198 | PTR sys_unlink /* 6085 */ | |
| 199 | PTR sys_symlink | |
| 200 | PTR sys_readlink | |
| 201 | PTR sys_chmod | |
| 202 | PTR sys_fchmod | |
| 203 | PTR sys_chown /* 6090 */ | |
| 204 | PTR sys_fchown | |
| 205 | PTR sys_lchown | |
| 206 | PTR sys_umask | |
| b418da16 | 207 | PTR compat_sys_gettimeofday |
| 1da177e4 LT |
208 | PTR compat_sys_getrlimit /* 6095 */ |
| 209 | PTR compat_sys_getrusage | |
| d4d23add | 210 | PTR compat_sys_sysinfo |
| 1da177e4 | 211 | PTR compat_sys_times |
| 5d9a76cd | 212 | PTR compat_sys_ptrace |
| 1da177e4 LT |
213 | PTR sys_getuid /* 6100 */ |
| 214 | PTR sys_syslog | |
| 215 | PTR sys_getgid | |
| 216 | PTR sys_setuid | |
| 217 | PTR sys_setgid | |
| 218 | PTR sys_geteuid /* 6105 */ | |
| 219 | PTR sys_getegid | |
| 220 | PTR sys_setpgid | |
| 221 | PTR sys_getppid | |
| 222 | PTR sys_getpgrp | |
| 223 | PTR sys_setsid /* 6110 */ | |
| 224 | PTR sys_setreuid | |
| 225 | PTR sys_setregid | |
| 226 | PTR sys_getgroups | |
| 227 | PTR sys_setgroups | |
| 228 | PTR sys_setresuid /* 6115 */ | |
| 229 | PTR sys_getresuid | |
| 230 | PTR sys_setresgid | |
| 231 | PTR sys_getresgid | |
| 232 | PTR sys_getpgid | |
| 233 | PTR sys_setfsuid /* 6120 */ | |
| 234 | PTR sys_setfsgid | |
| 235 | PTR sys_getsid | |
| 236 | PTR sys_capget | |
| 237 | PTR sys_capset | |
| dbda6ac0 | 238 | PTR sys_32_rt_sigpending /* 6125 */ |
| 82ad93f4 | 239 | PTR compat_sys_rt_sigtimedwait |
| dbda6ac0 | 240 | PTR sys_32_rt_sigqueueinfo |
| 82ad93f4 | 241 | PTR sysn32_rt_sigsuspend |
| 1da177e4 LT |
242 | PTR sys32_sigaltstack |
| 243 | PTR compat_sys_utime /* 6130 */ | |
| 244 | PTR sys_mknod | |
| dbda6ac0 | 245 | PTR sys_32_personality |
| 2b1c6bd7 | 246 | PTR compat_sys_ustat |
| 1da177e4 LT |
247 | PTR compat_sys_statfs |
| 248 | PTR compat_sys_fstatfs /* 6135 */ | |
| 249 | PTR sys_sysfs | |
| 250 | PTR sys_getpriority | |
| 251 | PTR sys_setpriority | |
| 252 | PTR sys_sched_setparam | |
| 253 | PTR sys_sched_getparam /* 6140 */ | |
| 254 | PTR sys_sched_setscheduler | |
| 255 | PTR sys_sched_getscheduler | |
| 256 | PTR sys_sched_get_priority_max | |
| 257 | PTR sys_sched_get_priority_min | |
| dbda6ac0 | 258 | PTR sys_32_sched_rr_get_interval /* 6145 */ |
| 1da177e4 LT |
259 | PTR sys_mlock |
| 260 | PTR sys_munlock | |
| 261 | PTR sys_mlockall | |
| 262 | PTR sys_munlockall | |
| 263 | PTR sys_vhangup /* 6150 */ | |
| 264 | PTR sys_pivot_root | |
| aff639cd | 265 | PTR compat_sys_sysctl |
| 1da177e4 | 266 | PTR sys_prctl |
| 3158e941 | 267 | PTR compat_sys_adjtimex |
| 1da177e4 LT |
268 | PTR compat_sys_setrlimit /* 6155 */ |
| 269 | PTR sys_chroot | |
| 270 | PTR sys_sync | |
| 271 | PTR sys_acct | |
| b418da16 | 272 | PTR compat_sys_settimeofday |
| 089c7e7f | 273 | PTR compat_sys_mount /* 6160 */ |
| 1da177e4 LT |
274 | PTR sys_umount |
| 275 | PTR sys_swapon | |
| 276 | PTR sys_swapoff | |
| 277 | PTR sys_reboot | |
| 278 | PTR sys_sethostname /* 6165 */ | |
| 279 | PTR sys_setdomainname | |
| 280 | PTR sys_ni_syscall /* was create_module */ | |
| 281 | PTR sys_init_module | |
| 282 | PTR sys_delete_module | |
| 283 | PTR sys_ni_syscall /* 6170, was get_kernel_syms */ | |
| 284 | PTR sys_ni_syscall /* was query_module */ | |
| 285 | PTR sys_quotactl | |
| f5b94099 | 286 | PTR sys_ni_syscall /* was nfsservctl */ |
| 1da177e4 LT |
287 | PTR sys_ni_syscall /* res. for getpmsg */ |
| 288 | PTR sys_ni_syscall /* 6175 for putpmsg */ | |
| 289 | PTR sys_ni_syscall /* res. for afs_syscall */ | |
| 290 | PTR sys_ni_syscall /* res. for security */ | |
| 291 | PTR sys_gettid | |
| 8676d2e0 | 292 | PTR sys_readahead |
| 1da177e4 LT |
293 | PTR sys_setxattr /* 6180 */ |
| 294 | PTR sys_lsetxattr | |
| 295 | PTR sys_fsetxattr | |
| 296 | PTR sys_getxattr | |
| 297 | PTR sys_lgetxattr | |
| 298 | PTR sys_fgetxattr /* 6185 */ | |
| 299 | PTR sys_listxattr | |
| 300 | PTR sys_llistxattr | |
| 301 | PTR sys_flistxattr | |
| 302 | PTR sys_removexattr | |
| 303 | PTR sys_lremovexattr /* 6190 */ | |
| 304 | PTR sys_fremovexattr | |
| 305 | PTR sys_tkill | |
| 306 | PTR sys_ni_syscall | |
| 1eec6cd0 | 307 | PTR sys_32_futex |
| 1da177e4 LT |
308 | PTR compat_sys_sched_setaffinity /* 6195 */ |
| 309 | PTR compat_sys_sched_getaffinity | |
| 310 | PTR sys_cacheflush | |
| 311 | PTR sys_cachectl | |
| 312 | PTR sys_sysmips | |
| e2cc502c | 313 | PTR compat_sys_io_setup /* 6200 */ |
| 1da177e4 | 314 | PTR sys_io_destroy |
| e2cc502c MT |
315 | PTR compat_sys_io_getevents |
| 316 | PTR compat_sys_io_submit | |
| 1da177e4 LT |
317 | PTR sys_io_cancel |
| 318 | PTR sys_exit_group /* 6205 */ | |
| 319 | PTR sys_lookup_dcookie | |
| 320 | PTR sys_epoll_create | |
| 321 | PTR sys_epoll_ctl | |
| 322 | PTR sys_epoll_wait | |
| 323 | PTR sys_remap_file_pages /* 6210 */ | |
| 324 | PTR sysn32_rt_sigreturn | |
| 589391a0 | 325 | PTR compat_sys_fcntl64 |
| 1da177e4 LT |
326 | PTR sys_set_tid_address |
| 327 | PTR sys_restart_syscall | |
| 05e43966 | 328 | PTR compat_sys_semtimedop /* 6215 */ |
| 1da177e4 LT |
329 | PTR sys_fadvise64_64 |
| 330 | PTR compat_sys_statfs64 | |
| 331 | PTR compat_sys_fstatfs64 | |
| 332 | PTR sys_sendfile64 | |
| 821d313c | 333 | PTR compat_sys_timer_create /* 6220 */ |
| d1abb6a2 RB |
334 | PTR compat_sys_timer_settime |
| 335 | PTR compat_sys_timer_gettime | |
| 1da177e4 LT |
336 | PTR sys_timer_getoverrun |
| 337 | PTR sys_timer_delete | |
| d1abb6a2 RB |
338 | PTR compat_sys_clock_settime /* 6225 */ |
| 339 | PTR compat_sys_clock_gettime | |
| 340 | PTR compat_sys_clock_getres | |
| 341 | PTR compat_sys_clock_nanosleep | |
| 1da177e4 LT |
342 | PTR sys_tgkill |
| 343 | PTR compat_sys_utimes /* 6230 */ | |
| 344 | PTR sys_ni_syscall /* sys_mbind */ | |
| 345 | PTR sys_ni_syscall /* sys_get_mempolicy */ | |
| 346 | PTR sys_ni_syscall /* sys_set_mempolicy */ | |
| 347 | PTR compat_sys_mq_open | |
| 348 | PTR sys_mq_unlink /* 6235 */ | |
| 349 | PTR compat_sys_mq_timedsend | |
| 350 | PTR compat_sys_mq_timedreceive | |
| 351 | PTR compat_sys_mq_notify | |
| 352 | PTR compat_sys_mq_getsetattr | |
| 353 | PTR sys_ni_syscall /* 6240, sys_vserver */ | |
| 440537ef | 354 | PTR compat_sys_waitid |
| 1da177e4 LT |
355 | PTR sys_ni_syscall /* available, was setaltroot */ |
| 356 | PTR sys_add_key | |
| 357 | PTR sys_request_key | |
| 358 | PTR sys_keyctl /* 6245 */ | |
| 3c37026d | 359 | PTR sys_set_thread_area |
| 8d9c6267 RB |
360 | PTR sys_inotify_init |
| 361 | PTR sys_inotify_add_watch | |
| 362 | PTR sys_inotify_rm_watch | |
| 72bf8914 RB |
363 | PTR sys_migrate_pages /* 6250 */ |
| 364 | PTR sys_openat | |
| 365 | PTR sys_mkdirat | |
| 366 | PTR sys_mknodat | |
| 367 | PTR sys_fchownat | |
| 82411390 | 368 | PTR compat_sys_futimesat /* 6255 */ |
| 72bf8914 RB |
369 | PTR sys_newfstatat |
| 370 | PTR sys_unlinkat | |
| 371 | PTR sys_renameat | |
| 372 | PTR sys_linkat | |
| 373 | PTR sys_symlinkat /* 6260 */ | |
| 374 | PTR sys_readlinkat | |
| 375 | PTR sys_fchmodat | |
| 376 | PTR sys_faccessat | |
| 99d233fa | 377 | PTR compat_sys_pselect6 |
| 46afb829 | 378 | PTR compat_sys_ppoll /* 6265 */ |
| 72bf8914 | 379 | PTR sys_unshare |
| f115da9c | 380 | PTR sys_splice |
| a8d587a7 | 381 | PTR sys_sync_file_range |
| 136d47d3 | 382 | PTR sys_tee |
| 8d13cb26 | 383 | PTR compat_sys_vmsplice /* 6270 */ |
| 722cfd90 | 384 | PTR sys_move_pages |
| 7fdeb048 AN |
385 | PTR compat_sys_set_robust_list |
| 386 | PTR compat_sys_get_robust_list | |
| 583bb86f | 387 | PTR compat_sys_kexec_load |
| 08253b39 | 388 | PTR sys_getcpu /* 6275 */ |
| 431dc804 | 389 | PTR compat_sys_epoll_pwait |
| 08253b39 RB |
390 | PTR sys_ioprio_set |
| 391 | PTR sys_ioprio_get | |
| 7a6d4f38 | 392 | PTR compat_sys_utimensat |
| e10c53a5 | 393 | PTR compat_sys_signalfd /* 6280 */ |
| 8bdd5142 | 394 | PTR sys_ni_syscall /* was timerfd */ |
| 7a6d4f38 | 395 | PTR sys_eventfd |
| 4dc46775 | 396 | PTR sys_fallocate |
| 6783fe62 | 397 | PTR sys_timerfd_create |
| e10c53a5 | 398 | PTR compat_sys_timerfd_gettime /* 6285 */ |
| c7d16736 | 399 | PTR compat_sys_timerfd_settime |
| 3885b71b RB |
400 | PTR sys_signalfd4 |
| 401 | PTR sys_eventfd2 | |
| 402 | PTR sys_epoll_create1 | |
| e10c53a5 | 403 | PTR sys_dup3 /* 6290 */ |
| 3885b71b RB |
404 | PTR sys_pipe2 |
| 405 | PTR sys_inotify_init1 | |
| d5563715 RB |
406 | PTR compat_sys_preadv |
| 407 | PTR compat_sys_pwritev | |
| e10c53a5 | 408 | PTR compat_sys_rt_tgsigqueueinfo /* 6295 */ |
| cdd6c482 | 409 | PTR sys_perf_event_open |
| 54822de7 | 410 | PTR sys_accept4 |
| a2e27255 | 411 | PTR compat_sys_recvmmsg |
| e9fb4d84 | 412 | PTR sys_getdents64 |
| 5e844b31 DD |
413 | PTR sys_fanotify_init /* 6300 */ |
| 414 | PTR sys_fanotify_mark | |
| 415 | PTR sys_prlimit64 | |
| 84ed9432 DD |
416 | PTR sys_name_to_handle_at |
| 417 | PTR sys_open_by_handle_at | |
| 418 | PTR compat_sys_clock_adjtime /* 6305 */ | |
| 1bbf2875 | 419 | PTR sys_syncfs |
| b12acf16 | 420 | PTR compat_sys_sendmmsg |
| 7b21fddd | 421 | PTR sys_setns |
| 8ff8584e DD |
422 | PTR compat_sys_process_vm_readv |
| 423 | PTR compat_sys_process_vm_writev /* 6310 */ | |
| ce71d24c | 424 | PTR sys_kcmp |
| 08253b39 | 425 | .size sysn32_call_table,.-sysn32_call_table |