Hide __chmod and __mkdir [BZ #18822]

Hide internal __chmod and __mkdir functions to allow direct access
within libc.so and libc.a without using GOT nor PLT.

	[BZ #18822]
	* include/sys/stat.h (__chmod): Add libc_hidden_proto.
	(__mkdir): Likewise.
	* io/chmod.c (__chmod): Add libc_hidden_def.
	* io/mkdir.c (__mkdir): Likewise.
	* sysdeps/mach/hurd/chmod.c (__chmod): Likewise.
	* sysdeps/mach/hurd/mkdir.c (__mkdir): Likewise.
	* sysdeps/unix/sysv/linux/generic/chmod.c (__chmod): Likewise.
	* sysdeps/unix/sysv/linux/generic/mkdir.c (__mkdir): Likewise.

2 files changed, 2 insertions, 0 deletions

diff --git a/io/chmod.c b/io/chmod.c
index 0b85565..3cacbf6 100644
--- a/io/chmod.c
+++ b/io/chmod.c
@@ -35,4 +35,5 @@ __chmod (const char *file, mode_t mode)
 }
 stub_warning (chmod)
 
+libc_hidden_def (__chmod)
 weak_alias (__chmod, chmod)
diff --git a/io/mkdir.c b/io/mkdir.c
index 0b8499a..43a790d 100644
--- a/io/mkdir.c
+++ b/io/mkdir.c
@@ -36,4 +36,5 @@ __mkdir (const char *path, mode_t mode)
 }
 stub_warning (mkdir)
 
+libc_hidden_def (__mkdir)
 weak_alias (__mkdir, mkdir)