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authorH.J. Lu <hjl.tools@gmail.com>2017-10-01 15:08:14 -0700
committerH.J. Lu <hjl.tools@gmail.com>2017-10-01 15:08:32 -0700
commit3aff56444e96300fba1e2c25bd0b2545613a20fa (patch)
tree8ac3942f2e80c6955cba7e4c045f33655bd250d9 /sysdeps/unix
parent8bcdb7e0c5346d2e9d61b208d80fd8213e1dbd90 (diff)
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Mark __internal_statvfs[64] with attribute_hidden [BZ #18822]
Mark __internal_statvfs[64] with attribute_hidden to allow direct access
to them within libc.so and libc.a without using GOT nor PLT.

	[BZ #18822]
	* sysdeps/unix/sysv/linux/fstatvfs.c: Include "internal_statvfs.h"
	instead of <sys/statvfs.h>.
	(__internal_statvfs): Removed.
	* sysdeps/unix/sysv/linux/fstatvfs64.c Include "internal_statvfs.h"
	instead of <sys/statvfs.h>.
	(__internal_statvfs64): Removed.
	* sysdeps/unix/sysv/linux/internal_statvfs.c: Include
	"internal_statvfs.h" instead of <sys/statvfs.h>.
	* sysdeps/unix/sysv/linux/internal_statvfs.h: New file.
	* sysdeps/unix/sysv/linux/statvfs.c Include "internal_statvfs.h"
	instead of <sys/statvfs.h>.
	(__internal_statvfs): Removed.
	* sysdeps/unix/sysv/linux/statvfs64.c Include "internal_statvfs.h"
	instead of <sys/statvfs.h>.
	(__internal_statvfs64): Removed.
Diffstat (limited to 'sysdeps/unix')
-rw-r--r--sysdeps/unix/sysv/linux/fstatvfs.c6
-rw-r--r--sysdeps/unix/sysv/linux/fstatvfs64.c7
-rw-r--r--sysdeps/unix/sysv/linux/internal_statvfs.c2
-rw-r--r--sysdeps/unix/sysv/linux/internal_statvfs.h26
-rw-r--r--sysdeps/unix/sysv/linux/statvfs.c6
-rw-r--r--sysdeps/unix/sysv/linux/statvfs64.c7
6 files changed, 31 insertions, 23 deletions
diff --git a/sysdeps/unix/sysv/linux/fstatvfs.c b/sysdeps/unix/sysv/linux/fstatvfs.c
index e07a5b9f3d..1b2f279291 100644
--- a/sysdeps/unix/sysv/linux/fstatvfs.c
+++ b/sysdeps/unix/sysv/linux/fstatvfs.c
@@ -19,11 +19,7 @@
 #include <stddef.h>
 #include <sys/stat.h>
 #include <sys/statfs.h>
-#include <sys/statvfs.h>
-
-extern void __internal_statvfs (const char *name, struct statvfs *buf,
-				struct statfs *fsbuf, int fd);
-
+#include "internal_statvfs.h"
 
 int
 __fstatvfs (int fd, struct statvfs *buf)
diff --git a/sysdeps/unix/sysv/linux/fstatvfs64.c b/sysdeps/unix/sysv/linux/fstatvfs64.c
index 02a0d7ee42..c923208ea8 100644
--- a/sysdeps/unix/sysv/linux/fstatvfs64.c
+++ b/sysdeps/unix/sysv/linux/fstatvfs64.c
@@ -20,14 +20,9 @@
 #include <string.h>
 #include <sys/stat.h>
 #include <sys/statfs.h>
-#include <sys/statvfs.h>
+#include "internal_statvfs.h"
 #include <kernel-features.h>
 
-
-extern void __internal_statvfs64 (const char *name, struct statvfs64 *buf,
-				  struct statfs64 *fsbuf, int fd);
-
-
 /* Return information about the filesystem on which FD resides.  */
 int
 __fstatvfs64 (int fd, struct statvfs64 *buf)
diff --git a/sysdeps/unix/sysv/linux/internal_statvfs.c b/sysdeps/unix/sysv/linux/internal_statvfs.c
index 9a17ca5c17..0a8dc35e16 100644
--- a/sysdeps/unix/sysv/linux/internal_statvfs.c
+++ b/sysdeps/unix/sysv/linux/internal_statvfs.c
@@ -26,7 +26,7 @@
 #include <sys/mount.h>
 #include <sys/stat.h>
 #include <sys/statfs.h>
-#include <sys/statvfs.h>
+#include "internal_statvfs.h"
 #include "linux_fsinfo.h"
 #include <kernel-features.h>
 
diff --git a/sysdeps/unix/sysv/linux/internal_statvfs.h b/sysdeps/unix/sysv/linux/internal_statvfs.h
new file mode 100644
index 0000000000..1762bbc6c6
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/internal_statvfs.h
@@ -0,0 +1,26 @@
+/* Internal statvfs/statvfs64 function prototypes.
+   Copyright (C) 2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <sys/statvfs.h>
+
+extern void __internal_statvfs (const char *name, struct statvfs *buf,
+				struct statfs *fsbuf, int fd)
+      attribute_hidden;
+extern void __internal_statvfs64 (const char *name, struct statvfs64 *buf,
+				  struct statfs64 *fsbuf, int fd)
+      attribute_hidden;
diff --git a/sysdeps/unix/sysv/linux/statvfs.c b/sysdeps/unix/sysv/linux/statvfs.c
index 744336e33b..1edf1acca9 100644
--- a/sysdeps/unix/sysv/linux/statvfs.c
+++ b/sysdeps/unix/sysv/linux/statvfs.c
@@ -19,11 +19,7 @@
 #include <stddef.h>
 #include <sys/stat.h>
 #include <sys/statfs.h>
-#include <sys/statvfs.h>
-
-extern void __internal_statvfs (const char *name, struct statvfs *buf,
-				struct statfs *fsbuf, int fd);
-
+#include "internal_statvfs.h"
 
 int
 __statvfs (const char *file, struct statvfs *buf)
diff --git a/sysdeps/unix/sysv/linux/statvfs64.c b/sysdeps/unix/sysv/linux/statvfs64.c
index a89f720b38..005495fa20 100644
--- a/sysdeps/unix/sysv/linux/statvfs64.c
+++ b/sysdeps/unix/sysv/linux/statvfs64.c
@@ -21,14 +21,9 @@
 #include <string.h>
 #include <sys/stat.h>
 #include <sys/statfs.h>
-#include <sys/statvfs.h>
+#include "internal_statvfs.h"
 #include <kernel-features.h>
 
-
-extern void __internal_statvfs64 (const char *name, struct statvfs64 *buf,
-				  struct statfs64 *fsbuf, int fd);
-
-
 /* Return information about the filesystem on which FILE resides.  */
 int
 __statvfs64 (const char *file, struct statvfs64 *buf)