[PATCH 06/58] Mark internal unistd functions with attribute_hidden [BZ #18822]

[H.J. Lu]

On 9/1/17, H.J. Lu <hjl.tools@gmail.com> wrote:
> Mark internal unistd functions with attribute_hidden to allow direct
> access to them within libc.so and libc.a without using GOT nor PLT.
>
> 	[BZ #18822]
> 	* include/unistd.h (__access): Add attribute_hidden.
> 	(__lseek64): Likewise.
> 	(__libc_pread64): Likewise.
> 	(__pipe2): Likewise.
> 	(__sleep): Likewise.
> 	(__chdir): Likewise.
> 	(__fchdir): Likewise.
> 	(__getcwd): Likewise.
> 	(__rmdir): Likewise.
> 	(__execvpe): Likewise.
> 	(__execve): Likewise.
> 	(__setsid): Likewise.
> 	(__getuid): Likewise.
> 	(__geteuid): Likewise.
> 	(__getgid): Likewise.
> 	(__getegid): Likewise.
> 	(__getgroups): Likewise.
> 	(__group_member): Likewise.
> 	(__ttyname_r): Likewise.
> 	(__isatty): Likewise.
> 	(__readlink): Likewise.
> 	(__unlink): Likewise.
> 	(__gethostname): Likewise.
> 	(__profil): Likewise.
> 	(__getdtablesize): Likewise.
> 	(__brk): Likewise.
> 	(__ftruncate): Likewise.
> 	(__ftruncate64): Likewise.

Tested with build-many-glibcs.py.  I am checking it in.

-- 
H.J.