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s390/compat: convert system call wrappers to C part 09

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Heiko Carstens 11 years ago
parent
commit
24e4c2aaef
3 changed files with 20 additions and 67 deletions
  1. 10 0
      arch/s390/kernel/compat_wrap.c
  2. 0 57
      arch/s390/kernel/compat_wrapper.S
  3. 10 10
      arch/s390/kernel/syscalls.S

+ 10 - 0
arch/s390/kernel/compat_wrap.c

@@ -104,3 +104,13 @@ COMPAT_SYSCALL_WRAP3(getresuid, compat_uid_t __user *, ruid, compat_uid_t __user
 COMPAT_SYSCALL_WRAP3(setresgid, compat_gid_t, rgid, compat_gid_t, egid, compat_gid_t, sgid);
 COMPAT_SYSCALL_WRAP3(getresgid, compat_gid_t __user *, rgid, compat_gid_t __user *, egid, compat_gid_t __user *, sgid);
 COMPAT_SYSCALL_WRAP3(chown, const char __user *, filename, compat_uid_t, user, compat_gid_t, group);
+COMPAT_SYSCALL_WRAP1(setuid, compat_uid_t, uid);
+COMPAT_SYSCALL_WRAP1(setgid, compat_gid_t, gid);
+COMPAT_SYSCALL_WRAP1(setfsuid, compat_uid_t, uid);
+COMPAT_SYSCALL_WRAP1(setfsgid, compat_gid_t, gid);
+COMPAT_SYSCALL_WRAP2(pivot_root, const char __user *, new_root, const char __user *, put_old);
+COMPAT_SYSCALL_WRAP3(mincore, compat_ulong_t, start, compat_size_t, len, unsigned char __user *, vec);
+COMPAT_SYSCALL_WRAP3(madvise, compat_ulong_t, start, compat_size_t, len, int, behavior);
+COMPAT_SYSCALL_WRAP5(setxattr, const char __user *, path, const char __user *, name, const void __user *, value, compat_size_t, size, int, flags);
+COMPAT_SYSCALL_WRAP5(lsetxattr, const char __user *, path, const char __user *, name, const void __user *, value, compat_size_t, size, int, flags);
+COMPAT_SYSCALL_WRAP5(fsetxattr, int, fd, const char __user *, name, const void __user *, value, compat_size_t, size, int, flags);

+ 0 - 57
arch/s390/kernel/compat_wrapper.S

@@ -159,39 +159,6 @@ ENTRY(compat_sys_nanosleep_wrapper)
 	llgtr	%r3,%r3			# struct compat_timespec *
 	jg	compat_sys_nanosleep		# branch to system call
 
-ENTRY(sys32_setuid_wrapper)
-	llgfr	%r2,%r2			# uid_t
-	jg	sys_setuid		# branch to system call
-
-ENTRY(sys32_setgid_wrapper)
-	llgfr	%r2,%r2			# gid_t
-	jg	sys_setgid		# branch to system call
-
-ENTRY(sys32_setfsuid_wrapper)
-	llgfr	%r2,%r2			# uid_t
-	jg	sys_setfsuid		# branch to system call
-
-ENTRY(sys32_setfsgid_wrapper)
-	llgfr	%r2,%r2			# gid_t
-	jg	sys_setfsgid		# branch to system call
-
-ENTRY(sys32_pivot_root_wrapper)
-	llgtr	%r2,%r2			# const char *
-	llgtr	%r3,%r3			# const char *
-	jg	sys_pivot_root		# branch to system call
-
-ENTRY(sys32_mincore_wrapper)
-	llgfr	%r2,%r2			# unsigned long
-	llgfr	%r3,%r3			# size_t
-	llgtr	%r4,%r4			# unsigned char *
-	jg	sys_mincore		# branch to system call
-
-ENTRY(sys32_madvise_wrapper)
-	llgfr	%r2,%r2			# unsigned long
-	llgfr	%r3,%r3			# size_t
-	lgfr	%r4,%r4			# int
-	jg	sys_madvise		# branch to system call
-
 ENTRY(sys32_getdents64_wrapper)
 	llgfr	%r2,%r2			# unsigned int
 	llgtr	%r3,%r3			# void *
@@ -208,30 +175,6 @@ ENTRY(sys32_stime_wrapper)
 	llgtr	%r2,%r2			# long *
 	jg	compat_sys_stime	# branch to system call
 
-ENTRY(sys32_setxattr_wrapper)
-	llgtr	%r2,%r2			# char *
-	llgtr	%r3,%r3			# char *
-	llgtr	%r4,%r4			# void *
-	llgfr	%r5,%r5			# size_t
-	lgfr	%r6,%r6			# int
-	jg	sys_setxattr
-
-ENTRY(sys32_lsetxattr_wrapper)
-	llgtr	%r2,%r2			# char *
-	llgtr	%r3,%r3			# char *
-	llgtr	%r4,%r4			# void *
-	llgfr	%r5,%r5			# size_t
-	lgfr	%r6,%r6			# int
-	jg	sys_lsetxattr
-
-ENTRY(sys32_fsetxattr_wrapper)
-	lgfr	%r2,%r2			# int
-	llgtr	%r3,%r3			# char *
-	llgtr	%r4,%r4			# void *
-	llgfr	%r5,%r5			# size_t
-	lgfr	%r6,%r6			# int
-	jg	sys_fsetxattr
-
 ENTRY(sys32_getxattr_wrapper)
 	llgtr	%r2,%r2			# char *
 	llgtr	%r3,%r3			# char *

+ 10 - 10
arch/s390/kernel/syscalls.S

@@ -221,20 +221,20 @@ SYSCALL(sys_getresuid,sys_getresuid,compat_sys_getresuid)
 SYSCALL(sys_setresgid,sys_setresgid,compat_sys_setresgid)	/* 210 */
 SYSCALL(sys_getresgid,sys_getresgid,compat_sys_getresgid)
 SYSCALL(sys_chown,sys_chown,compat_sys_chown)
-SYSCALL(sys_setuid,sys_setuid,sys32_setuid_wrapper)
-SYSCALL(sys_setgid,sys_setgid,sys32_setgid_wrapper)
-SYSCALL(sys_setfsuid,sys_setfsuid,sys32_setfsuid_wrapper)	/* 215 */
-SYSCALL(sys_setfsgid,sys_setfsgid,sys32_setfsgid_wrapper)
-SYSCALL(sys_pivot_root,sys_pivot_root,sys32_pivot_root_wrapper)
-SYSCALL(sys_mincore,sys_mincore,sys32_mincore_wrapper)
-SYSCALL(sys_madvise,sys_madvise,sys32_madvise_wrapper)
+SYSCALL(sys_setuid,sys_setuid,compat_sys_setuid)
+SYSCALL(sys_setgid,sys_setgid,compat_sys_setgid)
+SYSCALL(sys_setfsuid,sys_setfsuid,compat_sys_setfsuid)	/* 215 */
+SYSCALL(sys_setfsgid,sys_setfsgid,compat_sys_setfsgid)
+SYSCALL(sys_pivot_root,sys_pivot_root,compat_sys_pivot_root)
+SYSCALL(sys_mincore,sys_mincore,compat_sys_mincore)
+SYSCALL(sys_madvise,sys_madvise,compat_sys_madvise)
 SYSCALL(sys_getdents64,sys_getdents64,sys32_getdents64_wrapper)	/* 220 */
 SYSCALL(sys_fcntl64,sys_ni_syscall,compat_sys_fcntl64_wrapper)
 SYSCALL(sys_readahead,sys_readahead,compat_sys_s390_readahead)
 SYSCALL(sys_sendfile64,sys_ni_syscall,compat_sys_sendfile64)
-SYSCALL(sys_setxattr,sys_setxattr,sys32_setxattr_wrapper)
-SYSCALL(sys_lsetxattr,sys_lsetxattr,sys32_lsetxattr_wrapper)	/* 225 */
-SYSCALL(sys_fsetxattr,sys_fsetxattr,sys32_fsetxattr_wrapper)
+SYSCALL(sys_setxattr,sys_setxattr,compat_sys_setxattr)
+SYSCALL(sys_lsetxattr,sys_lsetxattr,compat_sys_lsetxattr)	/* 225 */
+SYSCALL(sys_fsetxattr,sys_fsetxattr,compat_sys_fsetxattr)
 SYSCALL(sys_getxattr,sys_getxattr,sys32_getxattr_wrapper)
 SYSCALL(sys_lgetxattr,sys_lgetxattr,sys32_lgetxattr_wrapper)
 SYSCALL(sys_fgetxattr,sys_fgetxattr,sys32_fgetxattr_wrapper)