--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/ada/vx_crtbegin_attr.c	Thu Oct 25 07:37:49 2018 +0900
@@ -0,0 +1,49 @@
+/****************************************************************************
+ *                                                                          *
+ *                         GNAT COMPILER COMPONENTS                         *
+ *                                                                          *
+ *                          V X _ C R T B E G I N                           *
+ *                                                                          *
+ *                          C Implementation File                           *
+ *                                                                          *
+ *              Copyright (C) 2016-2018, Free Software Foundation, Inc.     *
+ *                                                                          *
+ * GNAT is free software;  you can  redistribute it  and/or modify it under *
+ * terms of the  GNU General Public License as published  by the Free Soft- *
+ * ware  Foundation;  either version 3,  or (at your option) any later ver- *
+ * sion.  GNAT is distributed in the hope that it will be useful, but WITH- *
+ * OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY *
+ * or FITNESS FOR A PARTICULAR PURPOSE.                                     *
+ *                                                                          *
+ * As a special exception under Section 7 of GPL version 3, you are granted *
+ * additional permissions described in the GCC Runtime Library Exception,   *
+ * version 3.1, as published by the Free Software Foundation.               *
+ *                                                                          *
+ * You should have received a copy of the GNU General Public License and    *
+ * a copy of the GCC Runtime Library Exception along with this program;     *
+ * see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    *
+ * <http://www.gnu.org/licenses/>.                                          *
+ *                                                                          *
+ * GNAT was originally developed  by the GNAT team at  New York University. *
+ * Extensive contributions were provided by Ada Core Technologies Inc.      *
+ *                                                                          *
+ ****************************************************************************/
+
+/* crtbegin kind of file for ehframe registration/deregistration
+   purposes on VxWorks.  This variant exposes the ctor/dtor functions
+   as explicit constructors referenced from a .ctors/.dtors section.  */
+
+#define CTOR_ATTRIBUTE
+#define DTOR_ATTRIBUTE
+
+#include "vx_crtbegin.inc"
+
+/* 101 is the highest user level priority allowed by VxWorks.  */
+
+static void (* volatile eh_registration_ctors[])()
+  __attribute__((section (".ctors.65424")))
+= { &CTOR_NAME };
+
+static void (* volatile eh_registration_dtors[])()
+  __attribute__((section (".dtors.65424")))
+= { &DTOR_NAME };