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authorH.J. Lu <hjl.tools@gmail.com>2017-10-01 16:00:05 -0700
committerH.J. Lu <hjl.tools@gmail.com>2017-10-01 16:00:36 -0700
commit372fe247b11eb4079f93f11f3f20d14bc6c2c57f (patch)
tree50a2b9df169b52e844e7548ecbf2d8474927e156
parent9e5ee8b839175b7f48d2e64e87d1e3da8fa6458f (diff)
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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.
-rw-r--r--ChangeLog5
-rw-r--r--include/malloc.h2
2 files changed, 7 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index c302e2617c..79489d7164 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,11 @@
 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]
 	* include/sys/ioctl.h (__ioctl): Add libc_hidden_proto.
 	* misc/ioctl.c (__ioctl): Add libc_hidden_def.
 	* sysdeps/mach/hurd/ioctl.c (__ioctl): Likewise.
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;