[Feature][ZXW-33]merge ZXW 0428 version
Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/csu/elf-init.c b/ap/libc/glibc/glibc-2.23/csu/elf-init.c
new file mode 100644
index 0000000..0fb98f1
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/csu/elf-init.c
@@ -0,0 +1,106 @@
+/* Startup support for ELF initializers/finalizers in the main executable.
+ Copyright (C) 2002-2016 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.
+
+ In addition to the permissions in the GNU Lesser General Public
+ License, the Free Software Foundation gives you unlimited
+ permission to link the compiled version of this file with other
+ programs, and to distribute those programs without any restriction
+ coming from the use of this file. (The GNU Lesser General Public
+ License restrictions do apply in other respects; for example, they
+ cover modification of the file, and distribution when not linked
+ into another program.)
+
+ Note that people who make modified versions of this file are not
+ obligated to grant this special exception for their modified
+ versions; it is their choice whether to do so. The GNU Lesser
+ General Public License gives permission to release a modified
+ version without this exception; this exception also makes it
+ possible to release a modified version which carries forward this
+ exception.
+
+ 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 <stddef.h>
+
+
+/* These magic symbols are provided by the linker. */
+extern void (*__preinit_array_start []) (int, char **, char **)
+ attribute_hidden;
+extern void (*__preinit_array_end []) (int, char **, char **)
+ attribute_hidden;
+extern void (*__init_array_start []) (int, char **, char **)
+ attribute_hidden;
+extern void (*__init_array_end []) (int, char **, char **)
+ attribute_hidden;
+extern void (*__fini_array_start []) (void) attribute_hidden;
+extern void (*__fini_array_end []) (void) attribute_hidden;
+
+
+#ifndef NO_INITFINI
+/* These function symbols are provided for the .init/.fini section entry
+ points automagically by the linker. */
+extern void _init (void);
+extern void _fini (void);
+#endif
+
+
+/* These functions are passed to __libc_start_main by the startup code.
+ These get statically linked into each program. For dynamically linked
+ programs, this module will come from libc_nonshared.a and differs from
+ the libc.a module in that it doesn't call the preinit array. */
+
+
+void
+__libc_csu_init (int argc, char **argv, char **envp)
+{
+ /* For dynamically linked executables the preinit array is executed by
+ the dynamic linker (before initializing any shared object). */
+
+#ifndef LIBC_NONSHARED
+ /* For static executables, preinit happens right before init. */
+ {
+ const size_t size = __preinit_array_end - __preinit_array_start;
+ size_t i;
+ for (i = 0; i < size; i++)
+ (*__preinit_array_start [i]) (argc, argv, envp);
+ }
+#endif
+
+#ifndef NO_INITFINI
+ _init ();
+#endif
+
+ const size_t size = __init_array_end - __init_array_start;
+ for (size_t i = 0; i < size; i++)
+ (*__init_array_start [i]) (argc, argv, envp);
+}
+
+/* This function should not be used anymore. We run the executable's
+ destructor now just like any other. We cannot remove the function,
+ though. */
+void
+__libc_csu_fini (void)
+{
+#ifndef LIBC_NONSHARED
+ size_t i = __fini_array_end - __fini_array_start;
+ while (i-- > 0)
+ (*__fini_array_start [i]) ();
+
+# ifndef NO_INITFINI
+ _fini ();
+# endif
+#endif
+}