value-unwind.h: New file.

	* config/aarch64/value-unwind.h: New file.
	* config.host (aarch64*-*-*): Add aarch64/value-unwind.h
	to tm_file.

From-SVN: r245508

libgcc/ChangeLog

+2017-02-16  Andrew Pinski  <apinski@cavium.com>
+
+	* config/aarch64/value-unwind.h: New file.
+	* config.host (aarch64*-*-*): Add aarch64/value-unwind.h
+	to tm_file.
+
 2017-02-06  Palmer Dabbelt <palmer@dabbelt.com>
 
 	* config.host: Add RISC-V tuples.

libgcc/config.host

@@ -1379,4 +1379,8 @@ i[34567]86-*-linux* | x86_64-*-linux*)
 	fi
 	tm_file="${tm_file} i386/value-unwind.h"
 	;;
+aarch64*-*-*)
+	# ILP32 needs an extra header for unwinding
+	tm_file="${tm_file} aarch64/value-unwind.h"
+	;;
 esac

libgcc/config/aarch64/value-unwind.h

+/* Store register values as _Unwind_Word type in DWARF2 EH unwind context.
+   Copyright (C) 2017 Free Software Foundation, Inc.
+
+   This file is part of GCC.
+
+   GCC is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published
+   by the Free Software Foundation; either version 3, or (at your
+   option) any later version.
+
+   GCC 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 General Public
+   License for more details.
+
+   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/>.  */
+
+/* Define this macro if the target stores register values as _Unwind_Word
+   type in unwind context.  Only enable it for ilp32.  */
+#if defined __aarch64__ && !defined __LP64__
+# define REG_VALUE_IN_UNWIND_CONTEXT
+#endif