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Hide internal fadvise64/fallocate64 functions [BZ #18822]

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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.
This commit is contained in:
H.J. Lu
2017-10-01 18:05:52 -07:00
parent d0a4512bd4
commit 397286ea93
3 changed files with 13 additions and 0 deletions
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2
sysdeps/unix/sysv/linux/posix_fadvise64.c
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@ -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)