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Commit c355ce18 authored by Heiko Carstens's avatar Heiko Carstens
Browse files

s390/compat: convert system call wrappers to C part 04 



Signed-off-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
parent be06fbf8

arch/s390/kernel/compat_wrap.c

+10 −0
Original line number Diff line number Diff line
@@ -53,3 +53,13 @@ COMPAT_SYSCALL_WRAP2(symlink, const char __user *, old, const char __user *, new 
COMPAT_SYSCALL_WRAP3(readlink, const char __user *, path, char __user *, buf, int, bufsiz);

COMPAT_SYSCALL_WRAP1(uselib, const char __user *, library);

COMPAT_SYSCALL_WRAP2(swapon, const char __user *, specialfile, int, swap_flags);

COMPAT_SYSCALL_WRAP4(reboot, int, magic1, int, magic2, unsigned int, cmd, void __user *, arg);

COMPAT_SYSCALL_WRAP2(munmap, compat_ulong_t, addr, compat_size_t, len);

COMPAT_SYSCALL_WRAP2(fchmod, unsigned int, fd, umode_t, mode);

COMPAT_SYSCALL_WRAP2(getpriority, int, which, int, who);

COMPAT_SYSCALL_WRAP3(setpriority, int, which, int, who, int, niceval);

COMPAT_SYSCALL_WRAP3(syslog, int, type, char __user *, buf, int, len);

COMPAT_SYSCALL_WRAP1(swapoff, const char __user *, specialfile);

COMPAT_SYSCALL_WRAP1(fsync, unsigned int, fd);

COMPAT_SYSCALL_WRAP2(setdomainname, char __user *, name, int, len);

COMPAT_SYSCALL_WRAP1(newuname, struct new_utsname __user *, name);

arch/s390/kernel/compat_wrapper.S

+0 −57
Original line number Diff line number Diff line
@@ -84,40 +84,12 @@ ENTRY(compat_sys_settimeofday_wrapper) 
	llgtr	%r3,%r3			# struct timezone *

	jg	compat_sys_settimeofday	# branch to system call



ENTRY(sys32_reboot_wrapper)

	lgfr	%r2,%r2			# int

	lgfr	%r3,%r3			# int

	llgfr	%r4,%r4			# unsigned int

	llgtr	%r5,%r5			# void *

	jg	sys_reboot		# branch to system call



ENTRY(old32_readdir_wrapper)

	llgfr	%r2,%r2			# unsigned int

	llgtr	%r3,%r3			# void *

	llgfr	%r4,%r4			# unsigned int

	jg	compat_sys_old_readdir	# branch to system call



ENTRY(sys32_munmap_wrapper)

	llgfr	%r2,%r2			# unsigned long

	llgfr	%r3,%r3			# size_t

	jg	sys_munmap		# branch to system call



ENTRY(sys32_fchmod_wrapper)

	llgfr	%r2,%r2			# unsigned int

	llgfr	%r3,%r3			# mode_t

	jg	sys_fchmod		# branch to system call



ENTRY(sys32_getpriority_wrapper)

	lgfr	%r2,%r2			# int

	lgfr	%r3,%r3			# int

	jg	sys_getpriority		# branch to system call



ENTRY(sys32_setpriority_wrapper)

	lgfr	%r2,%r2			# int

	lgfr	%r3,%r3			# int

	lgfr	%r4,%r4			# int

	jg	sys_setpriority		# branch to system call



ENTRY(compat_sys_statfs_wrapper)

	llgtr	%r2,%r2			# char *

	llgtr	%r3,%r3			# struct compat_statfs *
@@ -133,12 +105,6 @@ ENTRY(compat_sys_socketcall_wrapper) 
	llgtr	%r3,%r3			# u32 *

	jg	compat_sys_socketcall	# branch to system call



ENTRY(sys32_syslog_wrapper)

	lgfr	%r2,%r2			# int

	llgtr	%r3,%r3			# char *

	lgfr	%r4,%r4			# int

	jg	sys_syslog		# branch to system call



ENTRY(compat_sys_newstat_wrapper)

	llgtr	%r2,%r2			# char *

	llgtr	%r3,%r3			# struct stat_emu31 *
@@ -154,33 +120,10 @@ ENTRY(compat_sys_newfstat_wrapper) 
	llgtr	%r3,%r3			# struct stat_emu31 *

	jg	compat_sys_newfstat	# branch to system call



#sys32_vhangup_wrapper			# void



ENTRY(sys32_swapoff_wrapper)

	llgtr	%r2,%r2			# const char *

	jg	sys_swapoff		# branch to system call



ENTRY(compat_sys_sysinfo_wrapper)

	llgtr	%r2,%r2			# struct sysinfo_emu31 *

	jg	compat_sys_sysinfo	# branch to system call



ENTRY(sys32_fsync_wrapper)

	llgfr	%r2,%r2			# unsigned int

	jg	sys_fsync		# branch to system call



#sys32_sigreturn_wrapper		# done in sigreturn_glue



#sys32_clone_wrapper			# done in clone_glue



ENTRY(sys32_setdomainname_wrapper)

	llgtr	%r2,%r2			# char *

	lgfr	%r3,%r3			# int

	jg	sys_setdomainname	# branch to system call



ENTRY(sys32_newuname_wrapper)

	llgtr	%r2,%r2			# struct new_utsname *

	jg	sys_newuname		# branch to system call



ENTRY(compat_sys_adjtimex_wrapper)

	llgtr	%r2,%r2			# struct compat_timex *

	jg	compat_sys_adjtimex	# branch to system call

arch/s390/kernel/syscalls.S

+10 −10
Original line number Diff line number Diff line
@@ -96,22 +96,22 @@ NI_SYSCALL /* old lstat syscall */ 
SYSCALL(sys_readlink,sys_readlink,compat_sys_readlink)		/* 85 */

SYSCALL(sys_uselib,sys_uselib,compat_sys_uselib)

SYSCALL(sys_swapon,sys_swapon,compat_sys_swapon)

SYSCALL(sys_reboot,sys_reboot,sys32_reboot_wrapper)

SYSCALL(sys_reboot,sys_reboot,compat_sys_reboot)

SYSCALL(sys_ni_syscall,sys_ni_syscall,old32_readdir_wrapper)	/* old readdir syscall */

SYSCALL(sys_old_mmap,sys_old_mmap,compat_sys_s390_old_mmap)	/* 90 */

SYSCALL(sys_munmap,sys_munmap,sys32_munmap_wrapper)

SYSCALL(sys_munmap,sys_munmap,compat_sys_munmap)

SYSCALL(sys_truncate,sys_truncate,compat_sys_truncate)

SYSCALL(sys_ftruncate,sys_ftruncate,compat_sys_ftruncate)

SYSCALL(sys_fchmod,sys_fchmod,sys32_fchmod_wrapper)

SYSCALL(sys_fchmod,sys_fchmod,compat_sys_fchmod)

SYSCALL(sys_fchown16,sys_ni_syscall,compat_sys_s390_fchown16)	/* 95 old fchown16 syscall*/

SYSCALL(sys_getpriority,sys_getpriority,sys32_getpriority_wrapper)

SYSCALL(sys_setpriority,sys_setpriority,sys32_setpriority_wrapper)

SYSCALL(sys_getpriority,sys_getpriority,compat_sys_getpriority)

SYSCALL(sys_setpriority,sys_setpriority,compat_sys_setpriority)

NI_SYSCALL							/* old profil syscall */

SYSCALL(sys_statfs,sys_statfs,compat_sys_statfs_wrapper)

SYSCALL(sys_fstatfs,sys_fstatfs,compat_sys_fstatfs_wrapper)	/* 100 */

NI_SYSCALL							/* ioperm for i386 */

SYSCALL(sys_socketcall,sys_socketcall,compat_sys_socketcall_wrapper)

SYSCALL(sys_syslog,sys_syslog,sys32_syslog_wrapper)

SYSCALL(sys_syslog,sys_syslog,compat_sys_syslog)

SYSCALL(sys_setitimer,sys_setitimer,compat_sys_setitimer)

SYSCALL(sys_getitimer,sys_getitimer,compat_sys_getitimer)	/* 105 */

SYSCALL(sys_newstat,sys_newstat,compat_sys_newstat_wrapper)
@@ -123,14 +123,14 @@ SYSCALL(sys_vhangup,sys_vhangup,sys_vhangup) 
NI_SYSCALL							/* old "idle" system call */

NI_SYSCALL							/* vm86old for i386 */

SYSCALL(sys_wait4,sys_wait4,compat_sys_wait4)

SYSCALL(sys_swapoff,sys_swapoff,sys32_swapoff_wrapper)		/* 115 */

SYSCALL(sys_swapoff,sys_swapoff,compat_sys_swapoff)		/* 115 */

SYSCALL(sys_sysinfo,sys_sysinfo,compat_sys_sysinfo_wrapper)

SYSCALL(sys_s390_ipc,sys_s390_ipc,compat_sys_s390_ipc)

SYSCALL(sys_fsync,sys_fsync,sys32_fsync_wrapper)

SYSCALL(sys_fsync,sys_fsync,compat_sys_fsync)

SYSCALL(sys_sigreturn,sys_sigreturn,sys32_sigreturn)

SYSCALL(sys_clone,sys_clone,sys_clone_wrapper)			/* 120 */

SYSCALL(sys_setdomainname,sys_setdomainname,sys32_setdomainname_wrapper)

SYSCALL(sys_newuname,sys_newuname,sys32_newuname_wrapper)

SYSCALL(sys_setdomainname,sys_setdomainname,compat_sys_setdomainname)

SYSCALL(sys_newuname,sys_newuname,compat_sys_newuname)

NI_SYSCALL							/* modify_ldt for i386 */

SYSCALL(sys_adjtimex,sys_adjtimex,compat_sys_adjtimex_wrapper)

SYSCALL(sys_mprotect,sys_mprotect,sys32_mprotect_wrapper)	/* 125 */