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Commit 46e12c07 authored by Ralf Baechle's avatar Ralf Baechle
Browse files

MIPS: O32 / 32-bit: Always copy 4 stack arguments. 



This gets us rid of the hard to maintain table of the number of syscall
arguments and paves the way for further restructuring of the syscall
code.

Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 19e2e172

arch/mips/kernel/ftrace.c

+1 −1
Original line number Diff line number Diff line
@@ -383,7 +383,7 @@ unsigned long __init arch_syscall_addr(int nr) 
{

#ifdef CONFIG_MIPS32_N32

	if (nr >= __NR_N32_Linux && nr <= __NR_N32_Linux + __NR_N32_Linux_syscalls)

		return (unsigned long)sysn32_call_table[(nr - __NR_N32_Linux) * 2];

		return (unsigned long)sysn32_call_table[nr - __NR_N32_Linux];

#endif

	if (nr >= __NR_64_Linux  && nr <= __NR_64_Linux + __NR_64_Linux_syscalls)

		return (unsigned long)sys_call_table[nr - __NR_64_Linux];

arch/mips/kernel/scall32-o32.S

+400 −432
Original line number Diff line number Diff line
@@ -40,17 +40,58 @@ NESTED(handle_sys, PT_SIZE, sp) 
	sw	t1, PT_EPC(sp)

	beqz	t0, illegal_syscall



	sll	t0, v0, 3

	sll	t0, v0, 2

	la	t1, sys_call_table

	addu	t1, t0

	lw	t2, (t1)		# syscall routine

	lw	t3, 4(t1)		# >= 0 if we need stack arguments

	beqz	t2, illegal_syscall



	sw	a3, PT_R26(sp)		# save a3 for syscall restarting

	bgez	t3, stackargs



stack_done:

	/*

	 * More than four arguments.  Try to deal with it by copying the

	 * stack arguments from the user stack to the kernel stack.

	 * This Sucks (TM).

	 */

	lw	t0, PT_R29(sp)		# get old user stack pointer



	/*

	 * We intentionally keep the kernel stack a little below the top of

	 * userspace so we don't have to do a slower byte accurate check here.

	 */

	lw	t5, TI_ADDR_LIMIT($28)

	addu	t4, t0, 32

	and	t5, t4

	bltz	t5, bad_stack		# -> sp is bad



	/*

	 * Ok, copy the args from the luser stack to the kernel stack.

	 * t3 is the precomputed number of instruction bytes needed to

	 * load or store arguments 6-8.

	 */



	.set    push

	.set    noreorder

	.set	nomacro



1:	lw	t5, 16(t0)		# argument #5 from usp

4:	lw	t6, 20(t0)		# argument #6 from usp

3:	lw	t7, 24(t0)		# argument #7 from usp

2:	lw	t8, 28(t0)		# argument #8 from usp



	sw	t5, 16(sp)		# argument #5 to ksp

	sw	t6, 20(sp)		# argument #6 to ksp

	sw	t7, 24(sp)		# argument #7 to ksp

	sw	t8, 28(sp)		# argument #8 to ksp

	.set	pop



	.section __ex_table,"a"

	PTR	1b,bad_stack

	PTR	2b,bad_stack

	PTR	3b,bad_stack

	PTR	4b,bad_stack

	.previous



	lw	t0, TI_FLAGS($28)	# syscall tracing enabled?

	li	t1, _TIF_WORK_SYSCALL_ENTRY

	and	t0, t1
@@ -101,66 +142,6 @@ syscall_trace_entry: 


/* ------------------------------------------------------------------------ */



	/*

	 * More than four arguments.  Try to deal with it by copying the

	 * stack arguments from the user stack to the kernel stack.

	 * This Sucks (TM).

	 */

stackargs:

	lw	t0, PT_R29(sp)		# get old user stack pointer



	/*

	 * We intentionally keep the kernel stack a little below the top of

	 * userspace so we don't have to do a slower byte accurate check here.

	 */

	lw	t5, TI_ADDR_LIMIT($28)

	addu	t4, t0, 32

	and	t5, t4

	bltz	t5, bad_stack		# -> sp is bad



	/* Ok, copy the args from the luser stack to the kernel stack.

	 * t3 is the precomputed number of instruction bytes needed to

	 * load or store arguments 6-8.

	 */



	la	t1, 5f			# load up to 3 arguments

	subu	t1, t3

1:	lw	t5, 16(t0)		# argument #5 from usp

	.set	push

	.set	noreorder

	.set	nomacro

	jr	t1

	 addiu	t1, 6f - 5f



2:	lw	t8, 28(t0)		# argument #8 from usp

3:	lw	t7, 24(t0)		# argument #7 from usp

4:	lw	t6, 20(t0)		# argument #6 from usp

5:	jr	t1

	 sw	t5, 16(sp)		# argument #5 to ksp



#ifdef CONFIG_CPU_MICROMIPS

	sw	t8, 28(sp)		# argument #8 to ksp

	nop

	sw	t7, 24(sp)		# argument #7 to ksp

	nop

	sw	t6, 20(sp)		# argument #6 to ksp

	nop

#else

	sw	t8, 28(sp)		# argument #8 to ksp

	sw	t7, 24(sp)		# argument #7 to ksp

	sw	t6, 20(sp)		# argument #6 to ksp

#endif

6:	j	stack_done		# go back

	 nop

	.set	pop



	.section __ex_table,"a"

	PTR	1b,bad_stack

	PTR	2b,bad_stack

	PTR	3b,bad_stack

	PTR	4b,bad_stack

	.previous



	/*

	 * The stackpointer for a call with more than 4 arguments is bad.

	 * We probably should handle this case a bit more drastic.
@@ -187,7 +168,7 @@ illegal_syscall: 
	subu	t0, a0, __NR_O32_Linux	# check syscall number

	sltiu	v0, t0, __NR_O32_Linux_syscalls + 1

	beqz	t0, einval		# do not recurse

	sll	t1, t0, 3

	sll	t1, t0, 2

	beqz	v0, einval

	lw	t2, sys_call_table(t1)		# syscall routine
@@ -218,246 +199,248 @@ einval: li v0, -ENOSYS 
	jr	ra

	END(sys_syscall)



	.macro	syscalltable

	sys	sys_syscall		8	/* 4000 */

	sys	sys_exit		1

	sys	__sys_fork		0

	sys	sys_read		3

	sys	sys_write		3

	sys	sys_open		3	/* 4005 */

	sys	sys_close		1

	sys	sys_waitpid		3

	sys	sys_creat		2

	sys	sys_link		2

	sys	sys_unlink		1	/* 4010 */

	sys	sys_execve		0

	sys	sys_chdir		1

	sys	sys_time		1

	sys	sys_mknod		3

	sys	sys_chmod		2	/* 4015 */

	sys	sys_lchown		3

	sys	sys_ni_syscall		0

	sys	sys_ni_syscall		0	/* was sys_stat */

	sys	sys_lseek		3

	sys	sys_getpid		0	/* 4020 */

	sys	sys_mount		5

	sys	sys_oldumount		1

	sys	sys_setuid		1

	sys	sys_getuid		0

	sys	sys_stime		1	/* 4025 */

	sys	sys_ptrace		4

	sys	sys_alarm		1

	sys	sys_ni_syscall		0	/* was sys_fstat */

	sys	sys_pause		0

	sys	sys_utime		2	/* 4030 */

	sys	sys_ni_syscall		0

	sys	sys_ni_syscall		0

	sys	sys_access		2

	sys	sys_nice		1

	sys	sys_ni_syscall		0	/* 4035 */

	sys	sys_sync		0

	sys	sys_kill		2

	sys	sys_rename		2

	sys	sys_mkdir		2

	sys	sys_rmdir		1	/* 4040 */

	sys	sys_dup			1

	sys	sysm_pipe		0

	sys	sys_times		1

	sys	sys_ni_syscall		0

	sys	sys_brk			1	/* 4045 */

	sys	sys_setgid		1

	sys	sys_getgid		0

	sys	sys_ni_syscall		0	/* was signal(2) */

	sys	sys_geteuid		0

	sys	sys_getegid		0	/* 4050 */

	sys	sys_acct		1

	sys	sys_umount		2

	sys	sys_ni_syscall		0

	sys	sys_ioctl		3

	sys	sys_fcntl		3	/* 4055 */

	sys	sys_ni_syscall		2

	sys	sys_setpgid		2

	sys	sys_ni_syscall		0

	sys	sys_olduname		1

	sys	sys_umask		1	/* 4060 */

	sys	sys_chroot		1

	sys	sys_ustat		2

	sys	sys_dup2		2

	sys	sys_getppid		0

	sys	sys_getpgrp		0	/* 4065 */

	sys	sys_setsid		0

	sys	sys_sigaction		3

	sys	sys_sgetmask		0

	sys	sys_ssetmask		1

	sys	sys_setreuid		2	/* 4070 */

	sys	sys_setregid		2

	sys	sys_sigsuspend		0

	sys	sys_sigpending		1

	sys	sys_sethostname		2

	sys	sys_setrlimit		2	/* 4075 */

	sys	sys_getrlimit		2

	sys	sys_getrusage		2

	sys	sys_gettimeofday	2

	sys	sys_settimeofday	2

	sys	sys_getgroups		2	/* 4080 */

	sys	sys_setgroups		2

	sys	sys_ni_syscall		0	/* old_select */

	sys	sys_symlink		2

	sys	sys_ni_syscall		0	/* was sys_lstat */

	sys	sys_readlink		3	/* 4085 */

	sys	sys_uselib		1

	sys	sys_swapon		2

	sys	sys_reboot		3

	sys	sys_old_readdir		3

	sys	sys_mips_mmap		6	/* 4090 */

	sys	sys_munmap		2

	sys	sys_truncate		2

	sys	sys_ftruncate		2

	sys	sys_fchmod		2

	sys	sys_fchown		3	/* 4095 */

	sys	sys_getpriority		2

	sys	sys_setpriority		3

	sys	sys_ni_syscall		0

	sys	sys_statfs		2

	sys	sys_fstatfs		2	/* 4100 */

	sys	sys_ni_syscall		0	/* was ioperm(2) */

	sys	sys_socketcall		2

	sys	sys_syslog		3

	sys	sys_setitimer		3

	sys	sys_getitimer		2	/* 4105 */

	sys	sys_newstat		2

	sys	sys_newlstat		2

	sys	sys_newfstat		2

	sys	sys_uname		1

	sys	sys_ni_syscall		0	/* 4110 was iopl(2) */

	sys	sys_vhangup		0

	sys	sys_ni_syscall		0	/* was sys_idle() */

	sys	sys_ni_syscall		0	/* was sys_vm86 */

	sys	sys_wait4		4

	sys	sys_swapoff		1	/* 4115 */

	sys	sys_sysinfo		1

	sys	sys_ipc			6

	sys	sys_fsync		1

	sys	sys_sigreturn		0

	sys	__sys_clone		6	/* 4120 */

	sys	sys_setdomainname	2

	sys	sys_newuname		1

	sys	sys_ni_syscall		0	/* sys_modify_ldt */

	sys	sys_adjtimex		1

	sys	sys_mprotect		3	/* 4125 */

	sys	sys_sigprocmask		3

	sys	sys_ni_syscall		0	/* was create_module */

	sys	sys_init_module		5

	sys	sys_delete_module	1

	sys	sys_ni_syscall		0	/* 4130 was get_kernel_syms */

	sys	sys_quotactl		4

	sys	sys_getpgid		1

	sys	sys_fchdir		1

	sys	sys_bdflush		2

	sys	sys_sysfs		3	/* 4135 */

	sys	sys_personality		1

	sys	sys_ni_syscall		0	/* for afs_syscall */

	sys	sys_setfsuid		1

	sys	sys_setfsgid		1

	sys	sys_llseek		5	/* 4140 */

	sys	sys_getdents		3

	sys	sys_select		5

	sys	sys_flock		2

	sys	sys_msync		3

	sys	sys_readv		3	/* 4145 */

	sys	sys_writev		3

	sys	sys_cacheflush		3

	sys	sys_cachectl		3

	sys	sys_sysmips		4

	sys	sys_ni_syscall		0	/* 4150 */

	sys	sys_getsid		1

	sys	sys_fdatasync		1

	sys	sys_sysctl		1

	sys	sys_mlock		2

	sys	sys_munlock		2	/* 4155 */

	sys	sys_mlockall		1

	sys	sys_munlockall		0

	sys	sys_sched_setparam	2

	sys	sys_sched_getparam	2

	sys	sys_sched_setscheduler	3	/* 4160 */

	sys	sys_sched_getscheduler	1

	sys	sys_sched_yield		0

	sys	sys_sched_get_priority_max 1

	sys	sys_sched_get_priority_min 1

	sys	sys_sched_rr_get_interval 2	/* 4165 */

	sys	sys_nanosleep,		2

	sys	sys_mremap,		5

	sys	sys_accept		3

	sys	sys_bind		3

	sys	sys_connect		3	/* 4170 */

	sys	sys_getpeername		3

	sys	sys_getsockname		3

	sys	sys_getsockopt		5

	sys	sys_listen		2

	sys	sys_recv		4	/* 4175 */

	sys	sys_recvfrom		6

	sys	sys_recvmsg		3

	sys	sys_send		4

	sys	sys_sendmsg		3

	sys	sys_sendto		6	/* 4180 */

	sys	sys_setsockopt		5

	sys	sys_shutdown		2

	sys	sys_socket		3

	sys	sys_socketpair		4

	sys	sys_setresuid		3	/* 4185 */

	sys	sys_getresuid		3

	sys	sys_ni_syscall		0	/* was sys_query_module */

	sys	sys_poll		3

	sys	sys_ni_syscall		0	/* was nfsservctl */

	sys	sys_setresgid		3	/* 4190 */

	sys	sys_getresgid		3

	sys	sys_prctl		5

	sys	sys_rt_sigreturn	0

	sys	sys_rt_sigaction	4

	sys	sys_rt_sigprocmask	4	/* 4195 */

	sys	sys_rt_sigpending	2

	sys	sys_rt_sigtimedwait	4

	sys	sys_rt_sigqueueinfo	3

	sys	sys_rt_sigsuspend	0

	sys	sys_pread64		6	/* 4200 */

	sys	sys_pwrite64		6

	sys	sys_chown		3

	sys	sys_getcwd		2

	sys	sys_capget		2

	sys	sys_capset		2	/* 4205 */

	sys	sys_sigaltstack		0

	sys	sys_sendfile		4

	sys	sys_ni_syscall		0

	sys	sys_ni_syscall		0

	sys	sys_mips_mmap2		6	/* 4210 */

	sys	sys_truncate64		4

	sys	sys_ftruncate64		4

	sys	sys_stat64		2

	sys	sys_lstat64		2

	sys	sys_fstat64		2	/* 4215 */

	sys	sys_pivot_root		2

	sys	sys_mincore		3

	sys	sys_madvise		3

	sys	sys_getdents64		3

	sys	sys_fcntl64		3	/* 4220 */

	sys	sys_ni_syscall		0

	sys	sys_gettid		0

	sys	sys_readahead		5

	sys	sys_setxattr		5

	sys	sys_lsetxattr		5	/* 4225 */

	sys	sys_fsetxattr		5

	sys	sys_getxattr		4

	sys	sys_lgetxattr		4

	sys	sys_fgetxattr		4

	sys	sys_listxattr		3	/* 4230 */

	sys	sys_llistxattr		3

	sys	sys_flistxattr		3

	sys	sys_removexattr		2

	sys	sys_lremovexattr	2

	sys	sys_fremovexattr	2	/* 4235 */

	sys	sys_tkill		2

	sys	sys_sendfile64		5

	sys	sys_futex		6

	.align	2

	.type	sys_call_table, @object

EXPORT(sys_call_table)

	PTR	sys_syscall			/* 4000 */

	PTR	sys_exit

	PTR	__sys_fork

	PTR	sys_read

	PTR	sys_write

	PTR	sys_open			/* 4005 */

	PTR	sys_close

	PTR	sys_waitpid

	PTR	sys_creat

	PTR	sys_link

	PTR	sys_unlink			/* 4010 */

	PTR	sys_execve

	PTR	sys_chdir

	PTR	sys_time

	PTR	sys_mknod

	PTR	sys_chmod			/* 4015 */

	PTR	sys_lchown

	PTR	sys_ni_syscall

	PTR	sys_ni_syscall			/* was sys_stat */

	PTR	sys_lseek

	PTR	sys_getpid			/* 4020 */

	PTR	sys_mount

	PTR	sys_oldumount

	PTR	sys_setuid

	PTR	sys_getuid

	PTR	sys_stime			/* 4025 */

	PTR	sys_ptrace

	PTR	sys_alarm

	PTR	sys_ni_syscall			/* was sys_fstat */

	PTR	sys_pause

	PTR	sys_utime			/* 4030 */

	PTR	sys_ni_syscall

	PTR	sys_ni_syscall

	PTR	sys_access

	PTR	sys_nice

	PTR	sys_ni_syscall			/* 4035 */

	PTR	sys_sync

	PTR	sys_kill

	PTR	sys_rename

	PTR	sys_mkdir

	PTR	sys_rmdir			/* 4040 */

	PTR	sys_dup

	PTR	sysm_pipe

	PTR	sys_times

	PTR	sys_ni_syscall

	PTR	sys_brk				/* 4045 */

	PTR	sys_setgid

	PTR	sys_getgid

	PTR	sys_ni_syscall			/* was signal(2) */

	PTR	sys_geteuid

	PTR	sys_getegid			/* 4050 */

	PTR	sys_acct

	PTR	sys_umount

	PTR	sys_ni_syscall

	PTR	sys_ioctl

	PTR	sys_fcntl			/* 4055 */

	PTR	sys_ni_syscall

	PTR	sys_setpgid

	PTR	sys_ni_syscall

	PTR	sys_olduname

	PTR	sys_umask			/* 4060 */

	PTR	sys_chroot

	PTR	sys_ustat

	PTR	sys_dup2

	PTR	sys_getppid

	PTR	sys_getpgrp			/* 4065 */

	PTR	sys_setsid

	PTR	sys_sigaction

	PTR	sys_sgetmask

	PTR	sys_ssetmask

	PTR	sys_setreuid			/* 4070 */

	PTR	sys_setregid

	PTR	sys_sigsuspend

	PTR	sys_sigpending

	PTR	sys_sethostname

	PTR	sys_setrlimit			/* 4075 */

	PTR	sys_getrlimit

	PTR	sys_getrusage

	PTR	sys_gettimeofday

	PTR	sys_settimeofday

	PTR	sys_getgroups			/* 4080 */

	PTR	sys_setgroups

	PTR	sys_ni_syscall			/* old_select */

	PTR	sys_symlink

	PTR	sys_ni_syscall			/* was sys_lstat */

	PTR	sys_readlink			/* 4085 */

	PTR	sys_uselib

	PTR	sys_swapon

	PTR	sys_reboot

	PTR	sys_old_readdir

	PTR	sys_mips_mmap			/* 4090 */

	PTR	sys_munmap

	PTR	sys_truncate

	PTR	sys_ftruncate

	PTR	sys_fchmod

	PTR	sys_fchown			/* 4095 */

	PTR	sys_getpriority

	PTR	sys_setpriority

	PTR	sys_ni_syscall

	PTR	sys_statfs

	PTR	sys_fstatfs			/* 4100 */

	PTR	sys_ni_syscall			/* was ioperm(2) */

	PTR	sys_socketcall

	PTR	sys_syslog

	PTR	sys_setitimer

	PTR	sys_getitimer			/* 4105 */

	PTR	sys_newstat

	PTR	sys_newlstat

	PTR	sys_newfstat

	PTR	sys_uname

	PTR	sys_ni_syscall			/* 4110 was iopl(2) */

	PTR	sys_vhangup

	PTR	sys_ni_syscall			/* was sys_idle() */

	PTR	sys_ni_syscall			/* was sys_vm86 */

	PTR	sys_wait4

	PTR	sys_swapoff			/* 4115 */

	PTR	sys_sysinfo

	PTR	sys_ipc

	PTR	sys_fsync

	PTR	sys_sigreturn

	PTR	__sys_clone			/* 4120 */

	PTR	sys_setdomainname

	PTR	sys_newuname

	PTR	sys_ni_syscall			/* sys_modify_ldt */

	PTR	sys_adjtimex

	PTR	sys_mprotect			/* 4125 */

	PTR	sys_sigprocmask

	PTR	sys_ni_syscall			/* was create_module */

	PTR	sys_init_module

	PTR	sys_delete_module

	PTR	sys_ni_syscall			/* 4130 was get_kernel_syms */

	PTR	sys_quotactl

	PTR	sys_getpgid

	PTR	sys_fchdir

	PTR	sys_bdflush

	PTR	sys_sysfs			/* 4135 */

	PTR	sys_personality

	PTR	sys_ni_syscall			/* for afs_syscall */

	PTR	sys_setfsuid

	PTR	sys_setfsgid

	PTR	sys_llseek			/* 4140 */

	PTR	sys_getdents

	PTR	sys_select

	PTR	sys_flock

	PTR	sys_msync

	PTR	sys_readv			/* 4145 */

	PTR	sys_writev

	PTR	sys_cacheflush

	PTR	sys_cachectl

	PTR	sys_sysmips

	PTR	sys_ni_syscall			/* 4150 */

	PTR	sys_getsid

	PTR	sys_fdatasync

	PTR	sys_sysctl

	PTR	sys_mlock

	PTR	sys_munlock			/* 4155 */

	PTR	sys_mlockall

	PTR	sys_munlockall

	PTR	sys_sched_setparam

	PTR	sys_sched_getparam

	PTR	sys_sched_setscheduler		/* 4160 */

	PTR	sys_sched_getscheduler

	PTR	sys_sched_yield

	PTR	sys_sched_get_priority_max

	PTR	sys_sched_get_priority_min

	PTR	sys_sched_rr_get_interval	/* 4165 */

	PTR	sys_nanosleep

	PTR	sys_mremap

	PTR	sys_accept

	PTR	sys_bind

	PTR	sys_connect			/* 4170 */

	PTR	sys_getpeername

	PTR	sys_getsockname

	PTR	sys_getsockopt

	PTR	sys_listen

	PTR	sys_recv			/* 4175 */

	PTR	sys_recvfrom

	PTR	sys_recvmsg

	PTR	sys_send

	PTR	sys_sendmsg

	PTR	sys_sendto			/* 4180 */

	PTR	sys_setsockopt

	PTR	sys_shutdown

	PTR	sys_socket

	PTR	sys_socketpair

	PTR	sys_setresuid			/* 4185 */

	PTR	sys_getresuid

	PTR	sys_ni_syscall			/* was sys_query_module */

	PTR	sys_poll

	PTR	sys_ni_syscall			/* was nfsservctl */

	PTR	sys_setresgid			/* 4190 */

	PTR	sys_getresgid

	PTR	sys_prctl

	PTR	sys_rt_sigreturn

	PTR	sys_rt_sigaction

	PTR	sys_rt_sigprocmask		/* 4195 */

	PTR	sys_rt_sigpending

	PTR	sys_rt_sigtimedwait

	PTR	sys_rt_sigqueueinfo

	PTR	sys_rt_sigsuspend

	PTR	sys_pread64			/* 4200 */

	PTR	sys_pwrite64

	PTR	sys_chown

	PTR	sys_getcwd

	PTR	sys_capget

	PTR	sys_capset			/* 4205 */

	PTR	sys_sigaltstack

	PTR	sys_sendfile

	PTR	sys_ni_syscall

	PTR	sys_ni_syscall

	PTR	sys_mips_mmap2			/* 4210 */

	PTR	sys_truncate64

	PTR	sys_ftruncate64

	PTR	sys_stat64

	PTR	sys_lstat64

	PTR	sys_fstat64			/* 4215 */

	PTR	sys_pivot_root

	PTR	sys_mincore

	PTR	sys_madvise

	PTR	sys_getdents64

	PTR	sys_fcntl64			/* 4220 */

	PTR	sys_ni_syscall

	PTR	sys_gettid

	PTR	sys_readahead

	PTR	sys_setxattr

	PTR	sys_lsetxattr			/* 4225 */

	PTR	sys_fsetxattr

	PTR	sys_getxattr

	PTR	sys_lgetxattr

	PTR	sys_fgetxattr

	PTR	sys_listxattr			/* 4230 */

	PTR	sys_llistxattr

	PTR	sys_flistxattr

	PTR	sys_removexattr

	PTR	sys_lremovexattr

	PTR	sys_fremovexattr		/* 4235 */

	PTR	sys_tkill

	PTR	sys_sendfile64

	PTR	sys_futex

#ifdef CONFIG_MIPS_MT_FPAFF

	/*

	 * For FPU affinity scheduling on MIPS MT processors, we need to
@@ -466,132 +449,117 @@ einval: li v0, -ENOSYS 
	 * these hooks for the 32-bit kernel - there is no MIPS64 MT processor

	 * atm.

	 */

	sys	mipsmt_sys_sched_setaffinity	3

	sys	mipsmt_sys_sched_getaffinity	3

	PTR	mipsmt_sys_sched_setaffinity

	PTR	mipsmt_sys_sched_getaffinity

#else

	sys	sys_sched_setaffinity	3

	sys	sys_sched_getaffinity	3	/* 4240 */

	PTR	sys_sched_setaffinity

	PTR	sys_sched_getaffinity		/* 4240 */

#endif /* CONFIG_MIPS_MT_FPAFF */

	sys	sys_io_setup		2

	sys	sys_io_destroy		1

	sys	sys_io_getevents	5

	sys	sys_io_submit		3

	sys	sys_io_cancel		3	/* 4245 */

	sys	sys_exit_group		1

	sys	sys_lookup_dcookie	4

	sys	sys_epoll_create	1

	sys	sys_epoll_ctl		4

	sys	sys_epoll_wait		4	/* 4250 */

	sys	sys_remap_file_pages	5

	sys	sys_set_tid_address	1

	sys	sys_restart_syscall	0

	sys	sys_fadvise64_64	7

	sys	sys_statfs64		3	/* 4255 */

	sys	sys_fstatfs64		2

	sys	sys_timer_create	3

	sys	sys_timer_settime	4

	sys	sys_timer_gettime	2

	sys	sys_timer_getoverrun	1	/* 4260 */

	sys	sys_timer_delete	1

	sys	sys_clock_settime	2

	sys	sys_clock_gettime	2

	sys	sys_clock_getres	2

	sys	sys_clock_nanosleep	4	/* 4265 */

	sys	sys_tgkill		3

	sys	sys_utimes		2

	sys	sys_mbind		4

	sys	sys_ni_syscall		0	/* sys_get_mempolicy */

	sys	sys_ni_syscall		0	/* 4270 sys_set_mempolicy */

	sys	sys_mq_open		4

	sys	sys_mq_unlink		1

	sys	sys_mq_timedsend	5

	sys	sys_mq_timedreceive	5

	sys	sys_mq_notify		2	/* 4275 */

	sys	sys_mq_getsetattr	3

	sys	sys_ni_syscall		0	/* sys_vserver */

	sys	sys_waitid		5

	sys	sys_ni_syscall		0	/* available, was setaltroot */

	sys	sys_add_key		5	/* 4280 */

	sys	sys_request_key		4

	sys	sys_keyctl		5

	sys	sys_set_thread_area	1

	sys	sys_inotify_init	0

	sys	sys_inotify_add_watch	3	/* 4285 */

	sys	sys_inotify_rm_watch	2

	sys	sys_migrate_pages	4

	sys	sys_openat		4

	sys	sys_mkdirat		3

	sys	sys_mknodat		4	/* 4290 */

	sys	sys_fchownat		5

	sys	sys_futimesat		3

	sys	sys_fstatat64		4

	sys	sys_unlinkat		3

	sys	sys_renameat		4	/* 4295 */

	sys	sys_linkat		5

	sys	sys_symlinkat		3

	sys	sys_readlinkat		4

	sys	sys_fchmodat		3

	sys	sys_faccessat		3	/* 4300 */

	sys	sys_pselect6		6

	sys	sys_ppoll		5

	sys	sys_unshare		1

	sys	sys_splice		6

	sys	sys_sync_file_range	7	/* 4305 */

	sys	sys_tee			4

	sys	sys_vmsplice		4

	sys	sys_move_pages		6

	sys	sys_set_robust_list	2

	sys	sys_get_robust_list	3	/* 4310 */

	sys	sys_kexec_load		4

	sys	sys_getcpu		3

	sys	sys_epoll_pwait		6

	sys	sys_ioprio_set		3

	sys	sys_ioprio_get		2	/* 4315 */

	sys	sys_utimensat		4

	sys	sys_signalfd		3

	sys	sys_ni_syscall		0	/* was timerfd */

	sys	sys_eventfd		1

	sys	sys_fallocate		6	/* 4320 */

	sys	sys_timerfd_create	2

	sys	sys_timerfd_gettime	2

	sys	sys_timerfd_settime	4

	sys	sys_signalfd4		4

	sys	sys_eventfd2		2	/* 4325 */

	sys	sys_epoll_create1	1

	sys	sys_dup3		3

	sys	sys_pipe2		2

	sys	sys_inotify_init1	1

	sys	sys_preadv		6	/* 4330 */

	sys	sys_pwritev		6

	sys	sys_rt_tgsigqueueinfo	4

	sys	sys_perf_event_open	5

	sys	sys_accept4		4

	sys	sys_recvmmsg		5	/* 4335 */

	sys	sys_fanotify_init	2

	sys	sys_fanotify_mark	6

	sys	sys_prlimit64		4

	sys	sys_name_to_handle_at	5

	sys	sys_open_by_handle_at	3	/* 4340 */

	sys	sys_clock_adjtime	2

	sys	sys_syncfs		1

	sys	sys_sendmmsg		4

	sys	sys_setns		2

	sys	sys_process_vm_readv	6	/* 4345 */

	sys	sys_process_vm_writev	6

	sys	sys_kcmp		5

	sys	sys_finit_module	3

	.endm



	/* We pre-compute the number of _instruction_ bytes needed to

	   load or store the arguments 6-8. Negative values are ignored. */



	.macro	sys function, nargs

	PTR	\function

	LONG	(\nargs << 2) - (5 << 2)

	.endm



	.align	3

	.type	sys_call_table,@object

EXPORT(sys_call_table)

	syscalltable

	.size	sys_call_table, . - sys_call_table
 
	PTR	sys_io_setup

	PTR	sys_io_destroy

	PTR	sys_io_getevents

	PTR	sys_io_submit

	PTR	sys_io_cancel			/* 4245 */

	PTR	sys_exit_group

	PTR	sys_lookup_dcookie

	PTR	sys_epoll_create

	PTR	sys_epoll_ctl

	PTR	sys_epoll_wait			/* 4250 */

	PTR	sys_remap_file_pages

	PTR	sys_set_tid_address

	PTR	sys_restart_syscall

	PTR	sys_fadvise64_64

	PTR	sys_statfs64			/* 4255 */

	PTR	sys_fstatfs64

	PTR	sys_timer_create

	PTR	sys_timer_settime

	PTR	sys_timer_gettime

	PTR	sys_timer_getoverrun		/* 4260 */

	PTR	sys_timer_delete

	PTR	sys_clock_settime

	PTR	sys_clock_gettime

	PTR	sys_clock_getres

	PTR	sys_clock_nanosleep		/* 4265 */

	PTR	sys_tgkill

	PTR	sys_utimes

	PTR	sys_mbind

	PTR	sys_ni_syscall			/* sys_get_mempolicy */

	PTR	sys_ni_syscall			/* 4270 sys_set_mempolicy */

	PTR	sys_mq_open

	PTR	sys_mq_unlink

	PTR	sys_mq_timedsend

	PTR	sys_mq_timedreceive

	PTR	sys_mq_notify			/* 4275 */

	PTR	sys_mq_getsetattr

	PTR	sys_ni_syscall			/* sys_vserver */

	PTR	sys_waitid

	PTR	sys_ni_syscall			/* available, was setaltroot */

	PTR	sys_add_key			/* 4280 */

	PTR	sys_request_key

	PTR	sys_keyctl

	PTR	sys_set_thread_area

	PTR	sys_inotify_init

	PTR	sys_inotify_add_watch		/* 4285 */

	PTR	sys_inotify_rm_watch

	PTR	sys_migrate_pages

	PTR	sys_openat

	PTR	sys_mkdirat

	PTR	sys_mknodat			/* 4290 */

	PTR	sys_fchownat

	PTR	sys_futimesat

	PTR	sys_fstatat64

	PTR	sys_unlinkat

	PTR	sys_renameat			/* 4295 */

	PTR	sys_linkat

	PTR	sys_symlinkat

	PTR	sys_readlinkat

	PTR	sys_fchmodat

	PTR	sys_faccessat			/* 4300 */

	PTR	sys_pselect6

	PTR	sys_ppoll

	PTR	sys_unshare

	PTR	sys_splice

	PTR	sys_sync_file_range		/* 4305 */

	PTR	sys_tee

	PTR	sys_vmsplice

	PTR	sys_move_pages

	PTR	sys_set_robust_list

	PTR	sys_get_robust_list		/* 4310 */

	PTR	sys_kexec_load

	PTR	sys_getcpu

	PTR	sys_epoll_pwait

	PTR	sys_ioprio_set

	PTR	sys_ioprio_get			/* 4315 */

	PTR	sys_utimensat

	PTR	sys_signalfd

	PTR	sys_ni_syscall			/* was timerfd */

	PTR	sys_eventfd

	PTR	sys_fallocate			/* 4320 */

	PTR	sys_timerfd_create

	PTR	sys_timerfd_gettime

	PTR	sys_timerfd_settime

	PTR	sys_signalfd4

	PTR	sys_eventfd2			/* 4325 */

	PTR	sys_epoll_create1

	PTR	sys_dup3

	PTR	sys_pipe2

	PTR	sys_inotify_init1

	PTR	sys_preadv			/* 4330 */

	PTR	sys_pwritev

	PTR	sys_rt_tgsigqueueinfo

	PTR	sys_perf_event_open

	PTR	sys_accept4

	PTR	sys_recvmmsg			/* 4335 */

	PTR	sys_fanotify_init

	PTR	sys_fanotify_mark

	PTR	sys_prlimit64

	PTR	sys_name_to_handle_at

	PTR	sys_open_by_handle_at		/* 4340 */

	PTR	sys_clock_adjtime

	PTR	sys_syncfs

	PTR	sys_sendmmsg

	PTR	sys_setns

	PTR	sys_process_vm_readv		/* 4345 */

	PTR	sys_process_vm_writev

	PTR	sys_kcmp

	PTR	sys_finit_module