Hide internal __tdestroy function [BZ #18822]

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.
9 years ago · fe84fed048
3 changed files with 8 additions and 0 deletions
--- a/6
+++ b/6
@ -1,3 +1,9 @@
+2017-10-01  H.J. Lu  <hongjiu.lu@intel.com>
+
+	[BZ #18822]
+	* include/search.h (__tdestroy): Add libc_hidden_proto.
+	* misc/tsearch.c (__tdestroy): Add libc_hidden_def.
+
 2017-10-01  H.J. Lu  <hongjiu.lu@intel.com>

 	[BZ #18822]
--- 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
--- 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)