2005-04-16 18:20:36 -04:00
|
|
|
/*
|
|
|
|
* 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>
|
2006-07-07 09:07:18 -04:00
|
|
|
#include <asm/irqflags.h>
|
2005-04-16 18:20:36 -04:00
|
|
|
#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
|
2006-09-26 10:43:40 -04:00
|
|
|
TRACE_IRQS_ON_RELOAD
|
2005-04-16 18:20:36 -04:00
|
|
|
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
|
|
|
|
|
|
|
|
dnegu v0 # error
|
|
|
|
sd v0, PT_R0(sp) # set flag 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
|
|
|
|
li a1, 0
|
|
|
|
jal do_syscall_trace
|
|
|
|
|
2005-11-30 11:24:57 -05:00
|
|
|
move t0, s0
|
|
|
|
RESTORE_STATIC
|
2005-04-16 18:20:36 -04:00
|
|
|
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)
|
2005-11-30 11:24:57 -05:00
|
|
|
jalr t0
|
2005-04-16 18:20:36 -04:00
|
|
|
|
|
|
|
li t0, -EMAXERRNO - 1 # error?
|
|
|
|
sltu t0, t0, v0
|
|
|
|
sd t0, PT_R7(sp) # set error flag
|
|
|
|
beqz t0, 1f
|
|
|
|
|
|
|
|
dnegu v0 # error
|
|
|
|
sd v0, PT_R0(sp) # set flag 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 old_mmap
|
|
|
|
PTR sys_mprotect /* 6010 */
|
|
|
|
PTR sys_munmap
|
|
|
|
PTR sys_brk
|
|
|
|
PTR sys32_rt_sigaction
|
|
|
|
PTR sys32_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 sys_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
|
2006-11-07 04:02:44 -05:00
|
|
|
PTR sys_shmat
|
|
|
|
PTR compat_sys_shmctl /* 6030 */
|
2005-04-16 18:20:36 -04:00
|
|
|
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 sys32_sendfile
|
|
|
|
PTR sys_socket /* 6040 */
|
|
|
|
PTR sys_connect
|
|
|
|
PTR sys_accept
|
|
|
|
PTR sys_sendto
|
|
|
|
PTR 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
|
2005-02-16 16:18:52 -05:00
|
|
|
PTR compat_sys_wait4
|
2005-04-16 18:20:36 -04:00
|
|
|
PTR sys_kill /* 6060 */
|
|
|
|
PTR sys32_newuname
|
|
|
|
PTR sys_semget
|
|
|
|
PTR sys_semop
|
2006-11-07 04:02:44 -05:00
|
|
|
PTR sysn32_semctl
|
2005-04-16 18:20:36 -04:00
|
|
|
PTR sys_shmdt /* 6065 */
|
|
|
|
PTR sys_msgget
|
2007-01-10 04:53:33 -05:00
|
|
|
PTR sysn32_msgsnd
|
|
|
|
PTR sysn32_msgrcv
|
2006-11-07 04:02:44 -05:00
|
|
|
PTR compat_sys_msgctl
|
2005-04-16 18:20:36 -04:00
|
|
|
PTR compat_sys_fcntl /* 6070 */
|
|
|
|
PTR sys_flock
|
|
|
|
PTR sys_fsync
|
|
|
|
PTR sys_fdatasync
|
|
|
|
PTR sys_truncate
|
|
|
|
PTR sys_ftruncate /* 6075 */
|
2006-02-21 01:59:00 -05:00
|
|
|
PTR compat_sys_getdents
|
2005-04-16 18:20:36 -04:00
|
|
|
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 sys32_gettimeofday
|
|
|
|
PTR compat_sys_getrlimit /* 6095 */
|
|
|
|
PTR compat_sys_getrusage
|
2007-02-10 04:46:00 -05:00
|
|
|
PTR compat_sys_sysinfo
|
2005-04-16 18:20:36 -04:00
|
|
|
PTR compat_sys_times
|
2005-09-28 18:11:15 -04:00
|
|
|
PTR sys32_ptrace
|
2005-04-16 18:20:36 -04:00
|
|
|
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 sys32_rt_sigpending /* 6125 */
|
2006-02-18 17:47:26 -05:00
|
|
|
PTR compat_sys_rt_sigtimedwait
|
2006-07-27 16:05:49 -04:00
|
|
|
PTR sys32_rt_sigqueueinfo
|
2006-02-18 17:47:26 -05:00
|
|
|
PTR sysn32_rt_sigsuspend
|
2005-04-16 18:20:36 -04:00
|
|
|
PTR sys32_sigaltstack
|
|
|
|
PTR compat_sys_utime /* 6130 */
|
|
|
|
PTR sys_mknod
|
|
|
|
PTR sys32_personality
|
2005-04-16 20:04:21 -04:00
|
|
|
PTR sys32_ustat
|
2005-04-16 18:20:36 -04:00
|
|
|
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 sys32_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 sys32_sysctl
|
|
|
|
PTR sys_prctl
|
2006-03-26 04:37:29 -05:00
|
|
|
PTR compat_sys_adjtimex
|
2005-04-16 18:20:36 -04:00
|
|
|
PTR compat_sys_setrlimit /* 6155 */
|
|
|
|
PTR sys_chroot
|
|
|
|
PTR sys_sync
|
|
|
|
PTR sys_acct
|
|
|
|
PTR sys32_settimeofday
|
2006-10-16 11:49:37 -04:00
|
|
|
PTR compat_sys_mount /* 6160 */
|
2005-04-16 18:20:36 -04:00
|
|
|
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_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 sys32_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 sys_io_setup /* 6200 */
|
|
|
|
PTR sys_io_destroy
|
|
|
|
PTR sys_io_getevents
|
|
|
|
PTR 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
|
2005-04-13 05:11:22 -04:00
|
|
|
PTR compat_sys_fcntl64
|
2005-04-16 18:20:36 -04:00
|
|
|
PTR sys_set_tid_address
|
|
|
|
PTR sys_restart_syscall
|
2006-11-07 04:02:44 -05:00
|
|
|
PTR compat_sys_semtimedop /* 6215 */
|
2005-04-16 18:20:36 -04:00
|
|
|
PTR sys_fadvise64_64
|
|
|
|
PTR compat_sys_statfs64
|
|
|
|
PTR compat_sys_fstatfs64
|
|
|
|
PTR sys_sendfile64
|
2005-02-16 16:25:03 -05:00
|
|
|
PTR sys32_timer_create /* 6220 */
|
|
|
|
PTR compat_sys_timer_settime
|
|
|
|
PTR compat_sys_timer_gettime
|
2005-04-16 18:20:36 -04:00
|
|
|
PTR sys_timer_getoverrun
|
|
|
|
PTR sys_timer_delete
|
2005-02-16 16:25:03 -05:00
|
|
|
PTR compat_sys_clock_settime /* 6225 */
|
|
|
|
PTR compat_sys_clock_gettime
|
|
|
|
PTR compat_sys_clock_getres
|
|
|
|
PTR compat_sys_clock_nanosleep
|
2005-04-16 18:20:36 -04:00
|
|
|
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 */
|
2005-02-16 16:21:29 -05:00
|
|
|
PTR sysn32_waitid
|
2005-04-16 18:20:36 -04:00
|
|
|
PTR sys_ni_syscall /* available, was setaltroot */
|
|
|
|
PTR sys_add_key
|
|
|
|
PTR sys_request_key
|
|
|
|
PTR sys_keyctl /* 6245 */
|
2005-04-13 13:43:59 -04:00
|
|
|
PTR sys_set_thread_area
|
2005-08-05 06:31:47 -04:00
|
|
|
PTR sys_inotify_init
|
|
|
|
PTR sys_inotify_add_watch
|
|
|
|
PTR sys_inotify_rm_watch
|
2006-02-08 08:38:50 -05:00
|
|
|
PTR sys_migrate_pages /* 6250 */
|
|
|
|
PTR sys_openat
|
|
|
|
PTR sys_mkdirat
|
|
|
|
PTR sys_mknodat
|
|
|
|
PTR sys_fchownat
|
|
|
|
PTR 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
|
2007-01-10 07:30:50 -05:00
|
|
|
PTR compat_sys_pselect6
|
2006-02-08 08:38:50 -05:00
|
|
|
PTR sys_ppoll /* 6265 */
|
|
|
|
PTR sys_unshare
|
2006-03-31 03:27:20 -05:00
|
|
|
PTR sys_splice
|
2006-04-01 01:49:21 -05:00
|
|
|
PTR sys_sync_file_range
|
2006-04-15 05:16:19 -04:00
|
|
|
PTR sys_tee
|
2006-09-06 09:42:02 -04:00
|
|
|
PTR sys_vmsplice /* 6270 */
|
2006-07-02 11:31:14 -04:00
|
|
|
PTR sys_move_pages
|
2006-09-06 09:42:02 -04:00
|
|
|
PTR compat_sys_set_robust_list
|
|
|
|
PTR compat_sys_get_robust_list
|
2006-10-18 09:14:55 -04:00
|
|
|
PTR compat_sys_kexec_load
|
2006-10-29 16:07:40 -05:00
|
|
|
PTR sys_getcpu
|
2007-02-12 19:05:11 -05:00
|
|
|
PTR compat_sys_epoll_pwait
|