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[51/58] Hide internal __init_misc function [BZ #18822]

Message ID 20170901180029.9527-52-hjl.tools@gmail.com
State Committed
Commit 7bfd08ac5be538a2beaa48f029944e01fb3b5d7a
Headers

Commit Message

H.J. Lu Sept. 1, 2017, 6 p.m. UTC 
  Hide internal __init_misc function to allow direct access within libc.so
and libc.a without using GOT nor PLT.

	[BZ #18822]
	* include/libc-internal.h (__init_misc): Add attribute_hidden.
---
 include/libc-internal.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

H.J. Lu Oct. 2, 2017, 12:53 a.m. UTC | #1 
On 9/1/17, H.J. Lu <hjl.tools@gmail.com> wrote:
> Hide internal __init_misc function to allow direct access within libc.so
> and libc.a without using GOT nor PLT.
>
> 	[BZ #18822]
> 	* include/libc-internal.h (__init_misc): Add attribute_hidden.
>

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

diff --git a/include/libc-internal.h b/include/libc-internal.h
index c501c95eb5..7403c24e25 100644
--- a/include/libc-internal.h
+++ b/include/libc-internal.h
@@ -47,7 +47,7 @@  libc_hidden_proto (__libc_freeres)
 extern void __libc_thread_freeres (void);
 
 /* Define and initialize `__progname' et. al.  */
-extern void __init_misc (int, char **, char **);
+extern void __init_misc (int, char **, char **) attribute_hidden;
 
 # if IS_IN (rtld)
 extern __typeof (__profile_frequency) __profile_frequency attribute_hidden;