[Feature][ZXW-33]merge ZXW 0428 version
Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/elf/dl-tsd.c b/ap/libc/glibc/glibc-2.23/elf/dl-tsd.c
new file mode 100644
index 0000000..7181e1c
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/elf/dl-tsd.c
@@ -0,0 +1,53 @@
+/* Thread-local data used by error handling for runtime dynamic linker.
+ 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.
+
+ 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/>. */
+
+#ifdef _LIBC_REENTRANT
+
+# include <ldsodefs.h>
+# include <tls.h>
+
+# ifndef SHARED
+
+/* _dl_error_catch_tsd points to this for the single-threaded case.
+ It's reset by the thread library for multithreaded programs
+ if we're not using __thread. */
+void ** __attribute__ ((const))
+_dl_initial_error_catch_tsd (void)
+{
+ static __thread void *data;
+ return &data;
+}
+void **(*_dl_error_catch_tsd) (void) __attribute__ ((const))
+ = &_dl_initial_error_catch_tsd;
+
+# else
+
+/* libpthread sets _dl_error_catch_tsd to point to this function.
+ We define it here instead of in libpthread so that it doesn't
+ need to have a TLS segment of its own just for this one pointer. */
+
+void ** __attribute__ ((const))
+__libc_dl_error_tsd (void)
+{
+ static __thread void *data attribute_tls_model_ie;
+ return &data;
+}
+
+# endif /* SHARED */
+
+#endif /* _LIBC_REENTRANT */