[Feature][ZXW-33]merge ZXW 0428 version

Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/sysdeps/nacl/ldsodefs.h b/ap/libc/glibc/glibc-2.23/sysdeps/nacl/ldsodefs.h
new file mode 100644
index 0000000..bc7723a
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/sysdeps/nacl/ldsodefs.h
@@ -0,0 +1,35 @@
+/* Run-time dynamic linker data structures for loaded ELF shared objects.  NaCl.
+   Copyright (C) 2015-2016 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef	_LDSODEFS_H
+
+/* Get the real definitions.  */
+#include_next <ldsodefs.h>
+
+/* Now define our stuff.  */
+
+/* We have the auxiliary vector.  */
+#define HAVE_AUX_VECTOR	1
+
+/* Used by static binaries to check the auxiliary vector.  */
+extern void _dl_aux_init (ElfW(auxv_t) *av) internal_function;
+
+/* Initialization which is normally done by the dynamic linker.  */
+extern void _dl_non_dynamic_init (void) internal_function;
+
+#endif  /* ldsodefs.h */