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i386: Hide __old_readdir64 [BZ #18822]

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Hide internal __old_readdir64 function to allow direct access within
libc.so and libc.a without using GOT nor PLT.

	[BZ #18822]
	* sysdeps/unix/sysv/linux/i386/olddirent.h (__old_readdir64):
	Add libc_hidden_proto.
	* sysdeps/unix/sysv/linux/i386/readdir64.c (__old_readdir64):
	Add libc_hidden_def.
This commit is contained in:
H.J. Lu 2017-08-20 10:45:58 -07:00
parent 91695eb14c
commit c8dfa99c98
3 changed files with 11 additions and 0 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
2017-08-20 H.J. Lu <hongjiu.lu@intel.com>
[BZ #18822]
* sysdeps/unix/sysv/linux/i386/olddirent.h (__old_readdir64):
Add libc_hidden_proto.
* sysdeps/unix/sysv/linux/i386/readdir64.c (__old_readdir64):
Add libc_hidden_def.
2017-08-20 H.J. Lu <hongjiu.lu@intel.com>
[BZ #21974]

1
sysdeps/unix/sysv/linux/i386/olddirent.h
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@ -31,6 +31,7 @@ struct __old_dirent64
/* Now define the internal interfaces. */
extern struct __old_dirent64 *__old_readdir64 (DIR *__dirp);
libc_hidden_proto (__old_readdir64);
extern int __old_readdir64_r (DIR *__dirp, struct __old_dirent64 *__entry,
struct __old_dirent64 **__result);
extern __ssize_t __old_getdents64 (int __fd, char *__buf, size_t __nbytes)

2
sysdeps/unix/sysv/linux/i386/readdir64.c
View File

@ -39,5 +39,7 @@ versioned_symbol (libc, __readdir64, readdir64, GLIBC_2_2);
#include <sysdeps/posix/readdir.c>
libc_hidden_def (__old_readdir64)
compat_symbol (libc, __old_readdir64, readdir64, GLIBC_2_1);
#endif