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authorHeiko Carstens <heiko.carstens@de.ibm.com>2014-02-28 10:31:37 +0100
committerHeiko Carstens <heiko.carstens@de.ibm.com>2014-03-04 09:05:43 +0100
commit24e4c2aaef149eafc1958205ace2b202de0dbf16 (patch)
tree60ad82be24eb7c0b44923db9a6a991b74ed83e18
parent47b3ae9b8cb0a6778a9920efaf3c47b19b4e6468 (diff)
downloadlinux-stericsson-24e4c2aaef149eafc1958205ace2b202de0dbf16.tar.gz
s390/compat: convert system call wrappers to C part 09
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
-rw-r--r--arch/s390/kernel/compat_wrap.c10
-rw-r--r--arch/s390/kernel/compat_wrapper.S57
-rw-r--r--arch/s390/kernel/syscalls.S20
3 files changed, 20 insertions, 67 deletions
diff --git a/arch/s390/kernel/compat_wrap.c b/arch/s390/kernel/compat_wrap.c
index 30167722231d..84d2e256ddab 100644
--- a/arch/s390/kernel/compat_wrap.c
+++ b/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);
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index e430f28896a8..1e1b71ff9fa6 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/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 *
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index 609de5ad6a5c..053b2712fe28 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/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)