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- /*
- * 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>
- /* This duplicates the definition from <linux/sched.h> */
- #define PT_TRACESYS 0x00000002 /* tracing system calls */
- /* This duplicates the definition from <asm/signal.h> */
- #define SIGILL 4 /* Illegal instruction (ANSI). */
- #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
- dsll t0, v0, 3 # offset into table
- ld t2, (sysn32_call_table - (__NR_N32_Linux * 8))(t0)
- sd a3, PT_R26(sp) # save a3 for syscall restarting
- li t1, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT
- LONG_L t0, TI_FLAGS($28) # syscall tracing enabled?
- and t0, t1, t0
- bnez t0, n32_syscall_trace_entry
- 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
- local_irq_disable # make sure need_resched and
- # signals dont change between
- # sampling and return
- LONG_L a2, TI_FLAGS($28) # current->work
- li t0, _TIF_ALLWORK_MASK
- and t0, a2, t0
- bnez t0, n32_syscall_exit_work
- j restore_partial
- n32_syscall_exit_work:
- j syscall_exit_work_partial
- /* ------------------------------------------------------------------------ */
- n32_syscall_trace_entry:
- SAVE_STATIC
- move s0, t2
- move a0, sp
- jal syscall_trace_enter
- move t0, s0
- RESTORE_STATIC
- 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)
- jalr t0
- 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
- not_n32_scall:
- /* This is not an n32 compatibility syscall, pass it on to
- the n64 syscall handlers. */
- j handle_sys64
- END(handle_sysn32)
- 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 sys_32_rt_sigaction
- PTR sys_32_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 sys_32_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 sys_getsockopt
- PTR sys_clone /* 6055 */
- PTR sys_fork
- PTR sys32_execve
- PTR sys_exit
- PTR compat_sys_wait4
- PTR sys_kill /* 6060 */
- PTR sys_newuname
- PTR sys_semget
- PTR sys_semop
- PTR sys_n32_semctl
- PTR sys_shmdt /* 6065 */
- PTR sys_msgget
- PTR sys_n32_msgsnd
- PTR sys_n32_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 sys_32_rt_sigpending /* 6125 */
- PTR compat_sys_rt_sigtimedwait
- PTR sys_32_rt_sigqueueinfo
- PTR sysn32_rt_sigsuspend
- PTR sys32_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 sys_32_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 sys_32_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 sys_ni_syscall /* sys_mbind */
- PTR sys_ni_syscall /* sys_get_mempolicy */
- PTR sys_ni_syscall /* 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 sys_keyctl /* 6245 */
- PTR sys_set_thread_area
- PTR sys_inotify_init
- PTR sys_inotify_add_watch
- PTR sys_inotify_rm_watch
- PTR 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 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 sys_signalfd4
- PTR sys_eventfd2
- PTR sys_epoll_create1
- PTR sys_dup3 /* 6290 */
- PTR sys_pipe2
- PTR sys_inotify_init1
- PTR sys_preadv
- PTR 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 */
- .size sysn32_call_table,.-sysn32_call_table
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