From: H.J. Lu <hjl.tools@gmail.com>
Date: Sun, 1 Oct 2017 23:00:05 +0000 (-0700)
Subject: Hide internal __malloc_check_init function [BZ #18822]
X-Git-Tag: glibc-2.27~803
X-Git-Url: https://sourceware.org/git/?a=commitdiff_plain;h=372fe247b11eb4079f93f11f3f20d14bc6c2c57f;p=glibc.git

Hide internal __malloc_check_init function [BZ #18822]

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

	[BZ #18822]
	* include/malloc.h (__malloc_check_init): Add attribute_hidden.
---

diff --git a/ChangeLog b/ChangeLog
index c302e2617c..79489d7164 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2017-10-01  H.J. Lu  <hongjiu.lu@intel.com>
+
+	[BZ #18822]
+	* include/malloc.h (__malloc_check_init): Add attribute_hidden.
+
 2017-10-01  H.J. Lu  <hongjiu.lu@intel.com>
 
 	[BZ #18822]
diff --git a/include/malloc.h b/include/malloc.h
index 70d32c7c84..d4cd9a5ffc 100644
--- a/include/malloc.h
+++ b/include/malloc.h
@@ -9,6 +9,8 @@
 /* Nonzero if the malloc is already initialized.  */
 extern int __malloc_initialized attribute_hidden;
 
+extern __typeof (__malloc_check_init) __malloc_check_init attribute_hidden;
+
 struct malloc_state;
 typedef struct malloc_state *mstate;