1 files changed, 17 insertions, 1 deletions

diff --git a/src/lib/libc/include/namespace.h b/src/lib/libc/include/namespace.h
index 939515251e..c8c864a266 100644
--- a/src/lib/libc/include/namespace.h
+++ b/src/lib/libc/include/namespace.h
@@ -1,4 +1,4 @@
-/*      $OpenBSD: namespace.h,v 1.5 2015/09/06 20:26:20 guenther Exp $  */
+/*      $OpenBSD: namespace.h,v 1.6 2015/09/10 18:13:46 guenther Exp $  */
 
 #ifndef _LIBC_NAMESPACE_H_
 #define _LIBC_NAMESPACE_H_
@@ -126,6 +126,8 @@
  *      ex: DEF_SYS(pread)
  */
 
+#include <sys/cdefs.h>  /* for __dso_hidden and __{weak,strong}_alias */
+
 #define HIDDEN(x)               _libc_##x
 #define CANCEL(x)               _libc_##x##_cancel
 #define WRAP(x)                 _libc_##x##_wrap
@@ -144,5 +146,19 @@
 #define DEF_WRAP(x)             __weak_alias(x, WRAP(x))
 #define DEF_SYS(x)              __strong_alias(_thread_sys_##x, HIDDEN(x))
 
+
+/*
+ * gcc will generate calls to the functions below.
+ * Declare and redirect them here so we always go
+ * directly to our hidden aliases.
+ */
+#include <sys/_types.h>
+void    *memcpy(void *__restrict, const void *__restrict, __size_t);
+void    *memset(void *, int, __size_t);
+void    __stack_smash_handler(const char [], int __attribute__((__unused__)));
+PROTO_NORMAL(memcpy);
+PROTO_NORMAL(memset);
+PROTO_NORMAL(__stack_smash_handler);
+
 #endif  /* _LIBC_NAMESPACE_H_ */