Hide internal __glob64 function [BZ #18822]

Hide internal __glob64 function to allow direct access within libc.so
and libc.a without using GOT nor PLT.

	[BZ #18822]
	* include/glob.h (__glob64): Add libc_hidden_proto.
	* sysdeps/unix/sysv/linux/glob64.c (__glob64): Add
	libc_hidden_def.

diff --git a/ChangeLog b/ChangeLog
index 0e4520c8cab03b339bf9496162bdf970f930a766..5d417cb4eb8475ef50681a018d129481904f6959 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2017-10-01  H.J. Lu  <hongjiu.lu@intel.com>
+
+       [BZ #18822]
+       * include/glob.h (__glob64): Add libc_hidden_proto.
+       * sysdeps/unix/sysv/linux/glob64.c (__glob64): Add
+       libc_hidden_def.
+
 2017-10-01  H.J. Lu  <hongjiu.lu@intel.com>
 
        [BZ #18822]

diff --git a/include/glob.h b/include/glob.h
index 228fe30ca80e9060e591089bb04333ce33d08f39..1d2f78793eda4c07adad76f679122a9ba106a428 100644 (file)
--- a/include/glob.h
+++ b/include/glob.h
@@ -12,6 +12,7 @@ extern int __glob_pattern_p (const char *__pattern, int __quote);
 extern int __glob64 (const char *__pattern, int __flags,
                     int (*__errfunc) (const char *, int),
                     glob64_t *__pglob);
+libc_hidden_proto (__glob64)
 #endif
 
 #endif

diff --git a/sysdeps/unix/sysv/linux/glob64.c b/sysdeps/unix/sysv/linux/glob64.c
index 0189d1c77d8fc1fec4e86de220d9a0e73d3d602d..0239425e107c465caf82ddf8c782316f4ab28a30 100644 (file)
--- a/sysdeps/unix/sysv/linux/glob64.c
+++ b/sysdeps/unix/sysv/linux/glob64.c
@@ -44,6 +44,7 @@
 strong_alias (__glob64, glob64)
 libc_hidden_def (glob64)
 # else
+libc_hidden_def (__glob64)
 versioned_symbol (libc, __glob64, glob64, GLIBC_2_27);
 libc_hidden_ver (__glob64, glob64)
 # endif