Hide internal __moncontrol function [BZ #18822]

Hide internal __moncontrol function to allow direct access within libc.so
and libc.a without using GOT nor PLT.

	[BZ #18822]
	* mon/gmon.c (__moncontrol): Add libc_hidden_proto and
	libc_hidden_def.

diff --git a/ChangeLog b/ChangeLog
index 278225538d797f615cbdd95167e8e942d3cc38e8..85de0ee00936a7b6af57a1e0d7fc47a3f2ed384a 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2017-10-01  H.J. Lu  <hongjiu.lu@intel.com>
+
+       [BZ #18822]
+       * mon/gmon.c (__moncontrol): Add libc_hidden_proto and
+       libc_hidden_def.
+
 2017-10-01  H.J. Lu  <hongjiu.lu@intel.com>
 
        [BZ #18822]

diff --git a/gmon/gmon.c b/gmon/gmon.c
index 4e48eba1bfdf473f88c386cb72f9f2336ffae5d5..f1aa3b776c4038b7d889b887b6076518a11d1287 100644 (file)
--- a/gmon/gmon.c
+++ b/gmon/gmon.c
@@ -62,6 +62,7 @@ static int    s_scale;
 
 void moncontrol (int mode);
 void __moncontrol (int mode);
+libc_hidden_proto (__moncontrol)
 static void write_hist (int fd);
 static void write_call_graph (int fd);
 static void write_bb_counts (int fd);
@@ -93,6 +94,7 @@ __moncontrol (int mode)
       p->state = GMON_PROF_OFF;
     }
 }
+libc_hidden_def (__moncontrol)
 weak_alias (__moncontrol, moncontrol)