| /* | |
| * This file is subject to the terms and conditions of the GNU General Public | |
| * License. See the file "COPYING" in the main directory of this archive | |
| * for more details. | |
| * | |
| * Copyright (C) 1995, 96, 97, 98, 99, 2000, 01 by Ralf Baechle | |
| * Copyright (C) 1999, 2000 Silicon Graphics, Inc. | |
| * Copyright (C) 2001 MIPS Technologies, Inc. | |
| */ | |
| #include <linux/errno.h> | |
| #include <asm/asm.h> | |
| #include <asm/asmmacro.h> | |
| #include <asm/irqflags.h> | |
| #include <asm/mipsregs.h> | |
| #include <asm/regdef.h> | |
| #include <asm/stackframe.h> | |
| #include <asm/thread_info.h> | |
| #include <asm/unistd.h> | |
| #ifndef CONFIG_MIPS32_O32 | |
| /* No O32, so define handle_sys here */ | |
| #define handle_sysn32 handle_sys | |
| #endif | |
| .align 5 | |
| NESTED(handle_sysn32, PT_SIZE, sp) | |
| #ifndef CONFIG_MIPS32_O32 | |
| .set noat | |
| SAVE_SOME | |
| TRACE_IRQS_ON_RELOAD | |
| STI | |
| .set at | |
| #endif | |
| dsubu t0, v0, __NR_N32_Linux # check syscall number | |
| sltiu t0, t0, __NR_N32_Linux_syscalls + 1 | |
| #ifndef CONFIG_MIPS32_O32 | |
| ld t1, PT_EPC(sp) # skip syscall on return | |
| daddiu t1, 4 # skip to next instruction | |
| sd t1, PT_EPC(sp) | |
| #endif | |
| beqz t0, not_n32_scall | |
| sd a3, PT_R26(sp) # save a3 for syscall restarting | |
| li t1, _TIF_WORK_SYSCALL_ENTRY | |
| LONG_L t0, TI_FLAGS($28) # syscall tracing enabled? | |
| and t0, t1, t0 | |
| bnez t0, n32_syscall_trace_entry | |
| syscall_common: | |
| dsll t0, v0, 3 # offset into table | |
| ld t2, (sysn32_call_table - (__NR_N32_Linux * 8))(t0) | |
| jalr t2 # Do The Real Thing (TM) | |
| li t0, -EMAXERRNO - 1 # error? | |
| sltu t0, t0, v0 | |
| sd t0, PT_R7(sp) # set error flag | |
| beqz t0, 1f | |
| ld t1, PT_R2(sp) # syscall number | |
| dnegu v0 # error | |
| sd t1, PT_R0(sp) # save it for syscall restarting | |
| 1: sd v0, PT_R2(sp) # result | |
| j syscall_exit_partial | |
| /* ------------------------------------------------------------------------ */ | |
| n32_syscall_trace_entry: | |
| SAVE_STATIC | |
| move a0, sp | |
| move a1, v0 | |
| jal syscall_trace_enter | |
| bltz v0, 1f # seccomp failed? Skip syscall | |
| RESTORE_STATIC | |
| ld v0, PT_R2(sp) # Restore syscall (maybe modified) | |
| ld a0, PT_R4(sp) # Restore argument registers | |
| ld a1, PT_R5(sp) | |
| ld a2, PT_R6(sp) | |
| ld a3, PT_R7(sp) | |
| ld a4, PT_R8(sp) | |
| ld a5, PT_R9(sp) | |
| dsubu t2, v0, __NR_N32_Linux # check (new) syscall number | |
| sltiu t0, t2, __NR_N32_Linux_syscalls + 1 | |
| beqz t0, not_n32_scall | |
| j syscall_common | |
| 1: j syscall_exit | |
| not_n32_scall: | |
| /* This is not an n32 compatibility syscall, pass it on to | |
| the n64 syscall handlers. */ | |
| j handle_sys64 | |
| END(handle_sysn32) | |
| .type sysn32_call_table, @object | |
| EXPORT(sysn32_call_table) | |
| PTR sys_read /* 6000 */ | |
| PTR sys_write | |
| PTR sys_open | |
| PTR sys_close | |
| PTR sys_newstat | |
| PTR sys_newfstat /* 6005 */ | |
| PTR sys_newlstat | |
| PTR sys_poll | |
| PTR sys_lseek | |
| PTR sys_mips_mmap | |
| PTR sys_mprotect /* 6010 */ | |
| PTR sys_munmap | |
| PTR sys_brk | |
| PTR compat_sys_rt_sigaction | |
| PTR compat_sys_rt_sigprocmask | |
| PTR compat_sys_ioctl /* 6015 */ | |
| PTR sys_pread64 | |
| PTR sys_pwrite64 | |
| PTR compat_sys_readv | |
| PTR compat_sys_writev | |
| PTR sys_access /* 6020 */ | |
| PTR sysm_pipe | |
| PTR compat_sys_select | |
| PTR sys_sched_yield | |
| PTR sys_mremap | |
| PTR sys_msync /* 6025 */ | |
| PTR sys_mincore | |
| PTR sys_madvise | |
| PTR sys_shmget | |
| PTR sys_shmat | |
| PTR compat_sys_shmctl /* 6030 */ | |
| PTR sys_dup | |
| PTR sys_dup2 | |
| PTR sys_pause | |
| PTR compat_sys_nanosleep | |
| PTR compat_sys_getitimer /* 6035 */ | |
| PTR compat_sys_setitimer | |
| PTR sys_alarm | |
| PTR sys_getpid | |
| PTR compat_sys_sendfile | |
| PTR sys_socket /* 6040 */ | |
| PTR sys_connect | |
| PTR sys_accept | |
| PTR sys_sendto | |
| PTR compat_sys_recvfrom | |
| PTR compat_sys_sendmsg /* 6045 */ | |
| PTR compat_sys_recvmsg | |
| PTR sys_shutdown | |
| PTR sys_bind | |
| PTR sys_listen | |
| PTR sys_getsockname /* 6050 */ | |
| PTR sys_getpeername | |
| PTR sys_socketpair | |
| PTR compat_sys_setsockopt | |
| PTR compat_sys_getsockopt | |
| PTR __sys_clone /* 6055 */ | |
| PTR __sys_fork | |
| PTR compat_sys_execve | |
| PTR sys_exit | |
| PTR compat_sys_wait4 | |
| PTR sys_kill /* 6060 */ | |
| PTR sys_newuname | |
| PTR sys_semget | |
| PTR sys_semop | |
| PTR compat_sys_semctl | |
| PTR sys_shmdt /* 6065 */ | |
| PTR sys_msgget | |
| PTR compat_sys_msgsnd | |
| PTR compat_sys_msgrcv | |
| PTR compat_sys_msgctl | |
| PTR compat_sys_fcntl /* 6070 */ | |
| PTR sys_flock | |
| PTR sys_fsync | |
| PTR sys_fdatasync | |
| PTR sys_truncate | |
| PTR sys_ftruncate /* 6075 */ | |
| PTR compat_sys_getdents | |
| PTR sys_getcwd | |
| PTR sys_chdir | |
| PTR sys_fchdir | |
| PTR sys_rename /* 6080 */ | |
| PTR sys_mkdir | |
| PTR sys_rmdir | |
| PTR sys_creat | |
| PTR sys_link | |
| PTR sys_unlink /* 6085 */ | |
| PTR sys_symlink | |
| PTR sys_readlink | |
| PTR sys_chmod | |
| PTR sys_fchmod | |
| PTR sys_chown /* 6090 */ | |
| PTR sys_fchown | |
| PTR sys_lchown | |
| PTR sys_umask | |
| PTR compat_sys_gettimeofday | |
| PTR compat_sys_getrlimit /* 6095 */ | |
| PTR compat_sys_getrusage | |
| PTR compat_sys_sysinfo | |
| PTR compat_sys_times | |
| PTR compat_sys_ptrace | |
| PTR sys_getuid /* 6100 */ | |
| PTR sys_syslog | |
| PTR sys_getgid | |
| PTR sys_setuid | |
| PTR sys_setgid | |
| PTR sys_geteuid /* 6105 */ | |
| PTR sys_getegid | |
| PTR sys_setpgid | |
| PTR sys_getppid | |
| PTR sys_getpgrp | |
| PTR sys_setsid /* 6110 */ | |
| PTR sys_setreuid | |
| PTR sys_setregid | |
| PTR sys_getgroups | |
| PTR sys_setgroups | |
| PTR sys_setresuid /* 6115 */ | |
| PTR sys_getresuid | |
| PTR sys_setresgid | |
| PTR sys_getresgid | |
| PTR sys_getpgid | |
| PTR sys_setfsuid /* 6120 */ | |
| PTR sys_setfsgid | |
| PTR sys_getsid | |
| PTR sys_capget | |
| PTR sys_capset | |
| PTR compat_sys_rt_sigpending /* 6125 */ | |
| PTR compat_sys_rt_sigtimedwait | |
| PTR compat_sys_rt_sigqueueinfo | |
| PTR compat_sys_rt_sigsuspend | |
| PTR compat_sys_sigaltstack | |
| PTR compat_sys_utime /* 6130 */ | |
| PTR sys_mknod | |
| PTR sys_32_personality | |
| PTR compat_sys_ustat | |
| PTR compat_sys_statfs | |
| PTR compat_sys_fstatfs /* 6135 */ | |
| PTR sys_sysfs | |
| PTR sys_getpriority | |
| PTR sys_setpriority | |
| PTR sys_sched_setparam | |
| PTR sys_sched_getparam /* 6140 */ | |
| PTR sys_sched_setscheduler | |
| PTR sys_sched_getscheduler | |
| PTR sys_sched_get_priority_max | |
| PTR sys_sched_get_priority_min | |
| PTR compat_sys_sched_rr_get_interval /* 6145 */ | |
| PTR sys_mlock | |
| PTR sys_munlock | |
| PTR sys_mlockall | |
| PTR sys_munlockall | |
| PTR sys_vhangup /* 6150 */ | |
| PTR sys_pivot_root | |
| PTR compat_sys_sysctl | |
| PTR sys_prctl | |
| PTR compat_sys_adjtimex | |
| PTR compat_sys_setrlimit /* 6155 */ | |
| PTR sys_chroot | |
| PTR sys_sync | |
| PTR sys_acct | |
| PTR compat_sys_settimeofday | |
| PTR compat_sys_mount /* 6160 */ | |
| PTR sys_umount | |
| PTR sys_swapon | |
| PTR sys_swapoff | |
| PTR sys_reboot | |
| PTR sys_sethostname /* 6165 */ | |
| PTR sys_setdomainname | |
| PTR sys_ni_syscall /* was create_module */ | |
| PTR sys_init_module | |
| PTR sys_delete_module | |
| PTR sys_ni_syscall /* 6170, was get_kernel_syms */ | |
| PTR sys_ni_syscall /* was query_module */ | |
| PTR sys_quotactl | |
| PTR sys_ni_syscall /* was nfsservctl */ | |
| PTR sys_ni_syscall /* res. for getpmsg */ | |
| PTR sys_ni_syscall /* 6175 for putpmsg */ | |
| PTR sys_ni_syscall /* res. for afs_syscall */ | |
| PTR sys_ni_syscall /* res. for security */ | |
| PTR sys_gettid | |
| PTR sys_readahead | |
| PTR sys_setxattr /* 6180 */ | |
| PTR sys_lsetxattr | |
| PTR sys_fsetxattr | |
| PTR sys_getxattr | |
| PTR sys_lgetxattr | |
| PTR sys_fgetxattr /* 6185 */ | |
| PTR sys_listxattr | |
| PTR sys_llistxattr | |
| PTR sys_flistxattr | |
| PTR sys_removexattr | |
| PTR sys_lremovexattr /* 6190 */ | |
| PTR sys_fremovexattr | |
| PTR sys_tkill | |
| PTR sys_ni_syscall | |
| PTR compat_sys_futex | |
| PTR compat_sys_sched_setaffinity /* 6195 */ | |
| PTR compat_sys_sched_getaffinity | |
| PTR sys_cacheflush | |
| PTR sys_cachectl | |
| PTR sys_sysmips | |
| PTR compat_sys_io_setup /* 6200 */ | |
| PTR sys_io_destroy | |
| PTR compat_sys_io_getevents | |
| PTR compat_sys_io_submit | |
| PTR sys_io_cancel | |
| PTR sys_exit_group /* 6205 */ | |
| PTR sys_lookup_dcookie | |
| PTR sys_epoll_create | |
| PTR sys_epoll_ctl | |
| PTR sys_epoll_wait | |
| PTR sys_remap_file_pages /* 6210 */ | |
| PTR sysn32_rt_sigreturn | |
| PTR compat_sys_fcntl64 | |
| PTR sys_set_tid_address | |
| PTR sys_restart_syscall | |
| PTR compat_sys_semtimedop /* 6215 */ | |
| PTR sys_fadvise64_64 | |
| PTR compat_sys_statfs64 | |
| PTR compat_sys_fstatfs64 | |
| PTR sys_sendfile64 | |
| PTR compat_sys_timer_create /* 6220 */ | |
| PTR compat_sys_timer_settime | |
| PTR compat_sys_timer_gettime | |
| PTR sys_timer_getoverrun | |
| PTR sys_timer_delete | |
| PTR compat_sys_clock_settime /* 6225 */ | |
| PTR compat_sys_clock_gettime | |
| PTR compat_sys_clock_getres | |
| PTR compat_sys_clock_nanosleep | |
| PTR sys_tgkill | |
| PTR compat_sys_utimes /* 6230 */ | |
| PTR compat_sys_mbind | |
| PTR compat_sys_get_mempolicy | |
| PTR compat_sys_set_mempolicy | |
| PTR compat_sys_mq_open | |
| PTR sys_mq_unlink /* 6235 */ | |
| PTR compat_sys_mq_timedsend | |
| PTR compat_sys_mq_timedreceive | |
| PTR compat_sys_mq_notify | |
| PTR compat_sys_mq_getsetattr | |
| PTR sys_ni_syscall /* 6240, sys_vserver */ | |
| PTR compat_sys_waitid | |
| PTR sys_ni_syscall /* available, was setaltroot */ | |
| PTR sys_add_key | |
| PTR sys_request_key | |
| PTR compat_sys_keyctl /* 6245 */ | |
| PTR sys_set_thread_area | |
| PTR sys_inotify_init | |
| PTR sys_inotify_add_watch | |
| PTR sys_inotify_rm_watch | |
| PTR compat_sys_migrate_pages /* 6250 */ | |
| PTR sys_openat | |
| PTR sys_mkdirat | |
| PTR sys_mknodat | |
| PTR sys_fchownat | |
| PTR compat_sys_futimesat /* 6255 */ | |
| PTR sys_newfstatat | |
| PTR sys_unlinkat | |
| PTR sys_renameat | |
| PTR sys_linkat | |
| PTR sys_symlinkat /* 6260 */ | |
| PTR sys_readlinkat | |
| PTR sys_fchmodat | |
| PTR sys_faccessat | |
| PTR compat_sys_pselect6 | |
| PTR compat_sys_ppoll /* 6265 */ | |
| PTR sys_unshare | |
| PTR sys_splice | |
| PTR sys_sync_file_range | |
| PTR sys_tee | |
| PTR compat_sys_vmsplice /* 6270 */ | |
| PTR compat_sys_move_pages | |
| PTR compat_sys_set_robust_list | |
| PTR compat_sys_get_robust_list | |
| PTR compat_sys_kexec_load | |
| PTR sys_getcpu /* 6275 */ | |
| PTR compat_sys_epoll_pwait | |
| PTR sys_ioprio_set | |
| PTR sys_ioprio_get | |
| PTR compat_sys_utimensat | |
| PTR compat_sys_signalfd /* 6280 */ | |
| PTR sys_ni_syscall /* was timerfd */ | |
| PTR sys_eventfd | |
| PTR sys_fallocate | |
| PTR sys_timerfd_create | |
| PTR compat_sys_timerfd_gettime /* 6285 */ | |
| PTR compat_sys_timerfd_settime | |
| PTR compat_sys_signalfd4 | |
| PTR sys_eventfd2 | |
| PTR sys_epoll_create1 | |
| PTR sys_dup3 /* 6290 */ | |
| PTR sys_pipe2 | |
| PTR sys_inotify_init1 | |
| PTR compat_sys_preadv | |
| PTR compat_sys_pwritev | |
| PTR compat_sys_rt_tgsigqueueinfo /* 6295 */ | |
| PTR sys_perf_event_open | |
| PTR sys_accept4 | |
| PTR compat_sys_recvmmsg | |
| PTR sys_getdents64 | |
| PTR sys_fanotify_init /* 6300 */ | |
| PTR sys_fanotify_mark | |
| PTR sys_prlimit64 | |
| PTR sys_name_to_handle_at | |
| PTR sys_open_by_handle_at | |
| PTR compat_sys_clock_adjtime /* 6305 */ | |
| PTR sys_syncfs | |
| PTR compat_sys_sendmmsg | |
| PTR sys_setns | |
| PTR compat_sys_process_vm_readv | |
| PTR compat_sys_process_vm_writev /* 6310 */ | |
| PTR sys_kcmp | |
| PTR sys_finit_module | |
| PTR sys_sched_setattr | |
| PTR sys_sched_getattr | |
| PTR sys_renameat2 /* 6315 */ | |
| PTR sys_seccomp | |
| PTR sys_getrandom | |
| PTR sys_memfd_create | |
| PTR sys_bpf | |
| PTR compat_sys_execveat /* 6320 */ | |
| PTR sys_userfaultfd | |
| PTR sys_membarrier | |
| PTR sys_mlock2 | |
| PTR sys_copy_file_range | |
| PTR compat_sys_preadv2 /* 6325 */ | |
| PTR compat_sys_pwritev2 | |
| PTR sys_pkey_mprotect | |
| PTR sys_pkey_alloc | |
| PTR sys_pkey_free | |
| .size sysn32_call_table,.-sysn32_call_table |