--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/ada/libgnat/s-imglli.adb	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,102 @@
+------------------------------------------------------------------------------
+--                                                                          --
+--                         GNAT RUN-TIME COMPONENTS                         --
+--                                                                          --
+--                       S Y S T E M . I M G _ L L I                        --
+--                                                                          --
+--                                 B o d y                                  --
+--                                                                          --
+--          Copyright (C) 1992-2017, 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.      --
+--                                                                          --
+------------------------------------------------------------------------------
+
+package body System.Img_LLI is
+
+   procedure Set_Digits
+     (T : Long_Long_Integer;
+      S : in out String;
+      P : in out Natural);
+   --  Set digits of absolute value of T, which is zero or negative. We work
+   --  with the negative of the value so that the largest negative number is
+   --  not a special case.
+
+   -----------------------------
+   -- Image_Long_Long_Integer --
+   -----------------------------
+
+   procedure Image_Long_Long_Integer
+     (V : Long_Long_Integer;
+      S : in out String;
+      P : out Natural)
+   is
+      pragma Assert (S'First = 1);
+
+   begin
+      if V >= 0 then
+         S (1) := ' ';
+         P := 1;
+      else
+         P := 0;
+      end if;
+
+      Set_Image_Long_Long_Integer (V, S, P);
+   end Image_Long_Long_Integer;
+
+   ----------------
+   -- Set_Digits --
+   ----------------
+
+   procedure Set_Digits
+     (T : Long_Long_Integer;
+      S : in out String;
+      P : in out Natural)
+   is
+   begin
+      if T <= -10 then
+         Set_Digits (T / 10, S, P);
+         P := P + 1;
+         S (P) := Character'Val (48 - (T rem 10));
+      else
+         P := P + 1;
+         S (P) := Character'Val (48 - T);
+      end if;
+   end Set_Digits;
+
+   ---------------------------------
+   -- Set_Image_Long_Long_Integer --
+   --------------------------------
+
+   procedure Set_Image_Long_Long_Integer
+     (V : Long_Long_Integer;
+      S : in out String;
+      P : in out Natural) is
+   begin
+      if V >= 0 then
+         Set_Digits (-V, S, P);
+      else
+         P := P + 1;
+         S (P) := '-';
+         Set_Digits (V, S, P);
+      end if;
+   end Set_Image_Long_Long_Integer;
+
+end System.Img_LLI;