/* * 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 #include #include #include #include #include #include #include #include #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 PTR sys_statx /* 6330 */ PTR sys_rseq .size sysn32_call_table,.-sysn32_call_table