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

Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/csu/init-first.c b/ap/libc/glibc/glibc-2.23/csu/init-first.c
new file mode 100644
index 0000000..77c6e1c
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/csu/init-first.c
@@ -0,0 +1,112 @@
+/* Initialization code run first thing by the ELF startup code.  Common version
+   Copyright (C) 1995-2016 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/>.  */
+
+#include <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sysdep.h>
+#include <fpu_control.h>
+#include <sys/param.h>
+#include <sys/types.h>
+#include <libc-internal.h>
+
+#include <ldsodefs.h>
+
+/* Set nonzero if we have to be prepared for more than one libc being
+   used in the process.  Safe assumption if initializer never runs.  */
+int __libc_multiple_libcs attribute_hidden = 1;
+
+/* Remember the command line argument and enviroment contents for
+   later calls of initializers for dynamic libraries.  */
+int __libc_argc attribute_hidden;
+char **__libc_argv attribute_hidden;
+
+
+void
+__libc_init_first (int argc, char **argv, char **envp)
+{
+#ifdef SHARED
+  /* For DSOs we do not need __libc_init_first but instead _init.  */
+}
+
+void
+attribute_hidden
+_init (int argc, char **argv, char **envp)
+{
+#endif
+#ifdef USE_NONOPTION_FLAGS
+  extern void __getopt_clean_environment (char **);
+#endif
+
+  __libc_multiple_libcs = &_dl_starting_up && !_dl_starting_up;
+
+  /* Make sure we don't initialize twice.  */
+  if (!__libc_multiple_libcs)
+    {
+      /* Set the FPU control word to the proper default value if the
+	 kernel would use a different value.  */
+      if (__fpu_control != GLRO(dl_fpu_control))
+	__setfpucw (__fpu_control);
+    }
+
+  /* Save the command-line arguments.  */
+  __libc_argc = argc;
+  __libc_argv = argv;
+  __environ = envp;
+
+#ifndef SHARED
+  __libc_init_secure ();
+
+  /* First the initialization which normally would be done by the
+     dynamic linker.  */
+  _dl_non_dynamic_init ();
+#endif
+
+#ifdef VDSO_SETUP
+  VDSO_SETUP ();
+#endif
+
+  __init_misc (argc, argv, envp);
+
+#ifdef USE_NONOPTION_FLAGS
+  /* This is a hack to make the special getopt in GNU libc working.  */
+  __getopt_clean_environment (envp);
+#endif
+
+  /* Initialize ctype data.  */
+  __ctype_init ();
+
+#if defined SHARED && !defined NO_CTORS_DTORS_SECTIONS
+  __libc_global_ctors ();
+#endif
+}
+
+/* This function is defined here so that if this file ever gets into
+   ld.so we will get a link error.  Having this file silently included
+   in ld.so causes disaster, because the _init definition above will
+   cause ld.so to gain an init function, which is not a cool thing. */
+
+extern void _dl_start (void) __attribute__ ((noreturn));
+
+void
+_dl_start (void)
+{
+  abort ();
+}