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authorAdhemerval Zanella <adhemerval.zanella@linaro.org>2020-07-21 15:53:53 -0300
committerAdhemerval Zanella <adhemerval.zanella@linaro.org>2020-10-09 17:02:07 -0300
commit81b83ff61f95f30ad53d6075247af0ea61a0b16e (patch)
tree8d1eb0eaa4170a5af411253e667016efb314b9d5 /sysdeps/unix/sysv/linux/xmknodat.c
parentaa03f722f3b994aaf81e72a8904bf33196780930 (diff)
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linux: Move xmknod{at} to compat symbols
It also decouple mknod{at} from xmknod{at}. The riscv32 ABI was added on 2.33, so it is safe to remove the old __xmknot{at} symbols and just provide the newer mknod{at} ones. Checked with a build for all affected ABIs. I also checked on x86_64, i686, powerpc, powerpc64le, sparcv9, sparc64, s390, and s390x. Reviewed-by: Lukasz Majewski <lukma@denx.de>
Diffstat (limited to 'sysdeps/unix/sysv/linux/xmknodat.c')
-rw-r--r--sysdeps/unix/sysv/linux/xmknodat.c23
1 files changed, 6 insertions, 17 deletions
diff --git a/sysdeps/unix/sysv/linux/xmknodat.c b/sysdeps/unix/sysv/linux/xmknodat.c
index 5640a49..fae3fe5 100644
--- a/sysdeps/unix/sysv/linux/xmknodat.c
+++ b/sysdeps/unix/sysv/linux/xmknodat.c
@@ -15,18 +15,11 @@
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
-#include <errno.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <string.h>
-#include <sys/types.h>
#include <sys/stat.h>
-#include <sys/sysmacros.h>
-
-#include <sysdep.h>
-#include <sys/syscall.h>
-
+#include <errno.h>
+#include <shlib-compat.h>
+#if SHLIB_COMPAT(libc, GLIBC_2_4, GLIBC_2_33)
/* Create a device file named PATH relative to FD, with permission and
special bits MODE and device number DEV (which can be constructed
from major and minor device numbers with the `makedev' macro above). */
@@ -36,12 +29,8 @@ __xmknodat (int vers, int fd, const char *file, mode_t mode, dev_t *dev)
if (vers != _MKNOD_VER)
return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);
- /* We must convert the value to dev_t type used by the kernel. */
- unsigned long long int k_dev = (*dev) & ((1ULL << 32) - 1);
- if (k_dev != *dev)
- return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);
-
- return INLINE_SYSCALL (mknodat, 4, fd, file, mode, (unsigned int) k_dev);
+ return __mknodat (fd, file, mode, *dev);
}
-libc_hidden_def (__xmknodat)
+compat_symbol (libc, __xmknodat, __xmknodat, GLIBC_2_4);
+#endif