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Commit 473a0657 authored by Heiko Carstens's avatar Heiko Carstens
Browse files

s390/compat: convert system call wrappers to C part 02 



Signed-off-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
parent b07edab2

arch/s390/kernel/compat_wrap.c

+10 −0
Original line number Original line Diff line number Diff line
@@ -33,3 +33,13 @@ COMPAT_SYSCALL_WRAP1(oldumount, char __user *, name); 
COMPAT_SYSCALL_WRAP1(alarm, unsigned int, seconds);

COMPAT_SYSCALL_WRAP1(alarm, unsigned int, seconds);

COMPAT_SYSCALL_WRAP2(access, const char __user *, filename, int, mode);

COMPAT_SYSCALL_WRAP2(access, const char __user *, filename, int, mode);

COMPAT_SYSCALL_WRAP1(nice, int, increment);

COMPAT_SYSCALL_WRAP1(nice, int, increment);

COMPAT_SYSCALL_WRAP2(kill, int, pid, int, sig);

COMPAT_SYSCALL_WRAP2(rename, const char __user *, oldname, const char __user *, newname);

COMPAT_SYSCALL_WRAP2(mkdir, const char __user *, pathname, umode_t, mode);

COMPAT_SYSCALL_WRAP1(rmdir, const char __user *, pathname);

COMPAT_SYSCALL_WRAP1(dup, unsigned int, fildes);

COMPAT_SYSCALL_WRAP1(pipe, int __user *, fildes);

COMPAT_SYSCALL_WRAP1(brk, compat_ulong_t, brk);

COMPAT_SYSCALL_WRAP2(signal, int, sig, __sighandler_t, handler);

COMPAT_SYSCALL_WRAP1(acct, const char __user *, name);

COMPAT_SYSCALL_WRAP2(umount, char __user *, name, int, flags);

arch/s390/kernel/compat_wrapper.S

+0 −45
Original line number Original line Diff line number Diff line
@@ -34,55 +34,10 @@ ENTRY(compat_sys_utime_wrapper) 
	llgtr	%r3,%r3			# struct compat_utimbuf *

	llgtr	%r3,%r3			# struct compat_utimbuf *

	jg	compat_sys_utime	# branch to system call

	jg	compat_sys_utime	# branch to system call





ENTRY(sys32_kill_wrapper)

	lgfr	%r2,%r2			# int

	lgfr	%r3,%r3			# int

	jg	sys_kill		# branch to system call



ENTRY(sys32_rename_wrapper)

	llgtr	%r2,%r2			# const char *

	llgtr	%r3,%r3			# const char *

	jg	sys_rename		# branch to system call



ENTRY(sys32_mkdir_wrapper)

	llgtr	%r2,%r2			# const char *

	lgfr	%r3,%r3			# int

	jg	sys_mkdir		# branch to system call



ENTRY(sys32_rmdir_wrapper)

	llgtr	%r2,%r2			# const char *

	jg	sys_rmdir		# branch to system call



ENTRY(sys32_dup_wrapper)

	llgfr	%r2,%r2			# unsigned int

	jg	sys_dup			# branch to system call



ENTRY(sys32_pipe_wrapper)

	llgtr	%r2,%r2			# u32 *

	jg	sys_pipe		# branch to system call



ENTRY(compat_sys_times_wrapper)

ENTRY(compat_sys_times_wrapper)

	llgtr	%r2,%r2			# struct compat_tms *

	llgtr	%r2,%r2			# struct compat_tms *

	jg	compat_sys_times	# branch to system call

	jg	compat_sys_times	# branch to system call





ENTRY(sys32_brk_wrapper)

	llgtr	%r2,%r2			# unsigned long

	jg	sys_brk			# branch to system call



ENTRY(sys32_signal_wrapper)

	lgfr	%r2,%r2			# int

	llgtr	%r3,%r3			# __sighandler_t

	jg	sys_signal



ENTRY(sys32_acct_wrapper)

	llgtr	%r2,%r2			# char *

	jg	sys_acct		# branch to system call



ENTRY(sys32_umount_wrapper)

	llgtr	%r2,%r2			# char *

	lgfr	%r3,%r3			# int

	jg	sys_umount		# branch to system call



ENTRY(compat_sys_ioctl_wrapper)

ENTRY(compat_sys_ioctl_wrapper)

	llgfr	%r2,%r2			# unsigned int

	llgfr	%r2,%r2			# unsigned int

	llgfr	%r3,%r3			# unsigned int

	llgfr	%r3,%r3			# unsigned int

arch/s390/kernel/syscalls.S

+10 −10
Original line number Original line Diff line number Diff line
@@ -45,22 +45,22 @@ SYSCALL(sys_access,sys_access,compat_sys_access) 
SYSCALL(sys_nice,sys_nice,compat_sys_nice)

SYSCALL(sys_nice,sys_nice,compat_sys_nice)

NI_SYSCALL							/* 35 old ftime syscall */

NI_SYSCALL							/* 35 old ftime syscall */

SYSCALL(sys_sync,sys_sync,sys_sync)

SYSCALL(sys_sync,sys_sync,sys_sync)

SYSCALL(sys_kill,sys_kill,sys32_kill_wrapper)

SYSCALL(sys_kill,sys_kill,compat_sys_kill)

SYSCALL(sys_rename,sys_rename,sys32_rename_wrapper)

SYSCALL(sys_rename,sys_rename,compat_sys_rename)

SYSCALL(sys_mkdir,sys_mkdir,sys32_mkdir_wrapper)

SYSCALL(sys_mkdir,sys_mkdir,compat_sys_mkdir)

SYSCALL(sys_rmdir,sys_rmdir,sys32_rmdir_wrapper)		/* 40 */

SYSCALL(sys_rmdir,sys_rmdir,compat_sys_rmdir)		/* 40 */

SYSCALL(sys_dup,sys_dup,sys32_dup_wrapper)

SYSCALL(sys_dup,sys_dup,compat_sys_dup)

SYSCALL(sys_pipe,sys_pipe,sys32_pipe_wrapper)

SYSCALL(sys_pipe,sys_pipe,compat_sys_pipe)

SYSCALL(sys_times,sys_times,compat_sys_times_wrapper)

SYSCALL(sys_times,sys_times,compat_sys_times_wrapper)

NI_SYSCALL							/* old prof syscall */

NI_SYSCALL							/* old prof syscall */

SYSCALL(sys_brk,sys_brk,sys32_brk_wrapper)			/* 45 */

SYSCALL(sys_brk,sys_brk,compat_sys_brk)				/* 45 */

SYSCALL(sys_setgid16,sys_ni_syscall,compat_sys_s390_setgid16)	/* old setgid16 syscall*/

SYSCALL(sys_setgid16,sys_ni_syscall,compat_sys_s390_setgid16)	/* old setgid16 syscall*/

SYSCALL(sys_getgid16,sys_ni_syscall,compat_sys_s390_getgid16)	/* old getgid16 syscall*/

SYSCALL(sys_getgid16,sys_ni_syscall,compat_sys_s390_getgid16)	/* old getgid16 syscall*/

SYSCALL(sys_signal,sys_signal,sys32_signal_wrapper)

SYSCALL(sys_signal,sys_signal,compat_sys_signal)

SYSCALL(sys_geteuid16,sys_ni_syscall,compat_sys_s390_geteuid16)	/* old geteuid16 syscall */

SYSCALL(sys_geteuid16,sys_ni_syscall,compat_sys_s390_geteuid16)	/* old geteuid16 syscall */

SYSCALL(sys_getegid16,sys_ni_syscall,compat_sys_s390_getegid16)	/* 50 old getegid16 syscall */

SYSCALL(sys_getegid16,sys_ni_syscall,compat_sys_s390_getegid16)	/* 50 old getegid16 syscall */

SYSCALL(sys_acct,sys_acct,sys32_acct_wrapper)

SYSCALL(sys_acct,sys_acct,compat_sys_acct)

SYSCALL(sys_umount,sys_umount,sys32_umount_wrapper)

SYSCALL(sys_umount,sys_umount,compat_sys_umount)

NI_SYSCALL							/* old lock syscall */

NI_SYSCALL							/* old lock syscall */

SYSCALL(sys_ioctl,sys_ioctl,compat_sys_ioctl_wrapper)

SYSCALL(sys_ioctl,sys_ioctl,compat_sys_ioctl_wrapper)

SYSCALL(sys_fcntl,sys_fcntl,compat_sys_fcntl_wrapper)		/* 55 */

SYSCALL(sys_fcntl,sys_fcntl,compat_sys_fcntl_wrapper)		/* 55 */