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[PATCH 58/58] Hide internal fadvise64/fallocate64 functions [BZ #18822]
- From: "H.J. Lu" <hjl dot tools at gmail dot com>
- To: libc-alpha at sourceware dot org
- Date: Fri, 1 Sep 2017 11:00:29 -0700
- Subject: [PATCH 58/58] Hide internal fadvise64/fallocate64 functions [BZ #18822]
- Authentication-results: sourceware.org; auth=none
- References: <20170901180029.9527-1-hjl.tools@gmail.com>
Hide internal fadvise64/fallocate64 functions to allow direct access
within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* sysdeps/unix/sysv/linux/posix_fadvise64.c
(__posix_fadvise64_l64): Add Add libc_hidden_proto and
libc_hidden_def.
* sysdeps/unix/sysv/linux/posix_fallocate64.c
(__posix_fallocate64_l64): Likewise.
---
sysdeps/unix/sysv/linux/posix_fadvise64.c | 2 ++
sysdeps/unix/sysv/linux/posix_fallocate64.c | 2 ++
2 files changed, 4 insertions(+)
diff --git a/sysdeps/unix/sysv/linux/posix_fadvise64.c b/sysdeps/unix/sysv/linux/posix_fadvise64.c
index aaee60add7..6dee86c833 100644
--- a/sysdeps/unix/sysv/linux/posix_fadvise64.c
+++ b/sysdeps/unix/sysv/linux/posix_fadvise64.c
@@ -20,6 +20,7 @@
#include <shlib-compat.h>
int __posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise);
+libc_hidden_proto (__posix_fadvise64_l64)
/* Both arm and powerpc implements fadvise64_64 with last 'advise' argument
just after 'fd' to avoid the requirement of implementing 7-arg syscalls.
@@ -83,3 +84,4 @@ weak_alias (__posix_fadvise64_l64, posix_fadvise64);
weak_alias (__posix_fadvise64_l64, posix_fadvise64);
strong_alias (__posix_fadvise64_l64, posix_fadvise);
#endif
+libc_hidden_def (__posix_fadvise64_l64)
diff --git a/sysdeps/unix/sysv/linux/posix_fallocate64.c b/sysdeps/unix/sysv/linux/posix_fallocate64.c
index eb05f7c5d0..76cf27a616 100644
--- a/sysdeps/unix/sysv/linux/posix_fallocate64.c
+++ b/sysdeps/unix/sysv/linux/posix_fallocate64.c
@@ -19,6 +19,7 @@
#include <sysdep.h>
extern int __posix_fallocate64_l64 (int fd, __off64_t offset, __off64_t len);
+libc_hidden_proto (__posix_fallocate64_l64)
#define __posix_fallocate64_l64 static internal_fallocate64
#include <sysdeps/posix/posix_fallocate64.c>
#undef __posix_fallocate64_l64
@@ -42,3 +43,4 @@ __posix_fallocate64_l64 (int fd, __off64_t offset, __off64_t len)
return INTERNAL_SYSCALL_ERRNO (res, err);
return internal_fallocate64 (fd, offset, len);
}
+libc_hidden_def (__posix_fallocate64_l64)
--
2.13.5