diff mbox

[35/58] Hide internal __tdestroy function [BZ #18822]

Message ID 20170901180029.9527-36-hjl.tools@gmail.com
State Committed
Commit fe84fed04800bc5becb9fba84db98f58007e77f3
Headers

Commit Message

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

	[BZ #18822]
	* include/search.h (__tdestroy): Add libc_hidden_proto.
	* misc/tsearch.c (__tdestroy): Add libc_hidden_def.
---
 include/search.h | 1 +
 misc/tsearch.c   | 1 +
 2 files changed, 2 insertions(+)

Comments

H.J. Lu Oct. 1, 2017, 10:40 p.m. UTC | #1 
On 9/1/17, H.J. Lu <hjl.tools@gmail.com> wrote:
> Hide internal __tdestroy function to allow direct access within libc.so
> and libc.a without using GOT nor PLT.
>
> 	[BZ #18822]
> 	* include/search.h (__tdestroy): Add libc_hidden_proto.
> 	* misc/tsearch.c (__tdestroy): Add libc_hidden_def.

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

Patch

diff --git a/include/search.h b/include/search.h
index a941959dbe..e17693022d 100644
--- a/include/search.h
+++ b/include/search.h
@@ -24,5 +24,6 @@  libc_hidden_proto (__tdelete)
 extern void __twalk (const void *__root, __action_fn_t action);
 libc_hidden_proto (__twalk)
 extern void __tdestroy (void *__root, __free_fn_t freefct);
+libc_hidden_proto (__tdestroy)
 #endif
 #endif
diff --git a/misc/tsearch.c b/misc/tsearch.c
index aef9c7c1ee..cdc401a4e5 100644
--- a/misc/tsearch.c
+++ b/misc/tsearch.c
@@ -745,4 +745,5 @@  __tdestroy (void *vroot, __free_fn_t freefct)
   if (root != NULL)
     tdestroy_recurse (root, freefct);
 }
+libc_hidden_def (__tdestroy)
 weak_alias (__tdestroy, tdestroy)