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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [ada/] [g-memdum.adb] - Blame information for rev 706

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1 706 jeremybenn
------------------------------------------------------------------------------
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--                                                                          --
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--                         GNAT RUN-TIME COMPONENTS                         --
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--                                                                          --
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--                     G N A T . M E M O R Y _ D U M P                      --
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--                                                                          --
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--                                 B o d y                                  --
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--                                                                          --
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--                     Copyright (C) 2003-2010, AdaCore                     --
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--                                                                          --
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-- GNAT is free software;  you can  redistribute it  and/or modify it under --
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-- terms of the  GNU General Public License as published  by the Free Soft- --
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-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
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-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
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--                                                                          --
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-- As a special exception under Section 7 of GPL version 3, you are granted --
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-- additional permissions described in the GCC Runtime Library Exception,   --
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-- version 3.1, as published by the Free Software Foundation.               --
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--                                                                          --
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-- You should have received a copy of the GNU General Public License and    --
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-- a copy of the GCC Runtime Library Exception along with this program;     --
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-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
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-- <http://www.gnu.org/licenses/>.                                          --
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--                                                                          --
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-- GNAT was originally developed  by the GNAT team at  New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc.      --
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--                                                                          --
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------------------------------------------------------------------------------
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with System;                  use System;
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with System.Storage_Elements; use System.Storage_Elements;
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with GNAT.IO;              use GNAT.IO;
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with GNAT.Debug_Utilities; use GNAT.Debug_Utilities;
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with Ada.Unchecked_Conversion;
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package body GNAT.Memory_Dump is
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   ----------
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   -- Dump --
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   ----------
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   procedure Dump (Addr : System.Address; Count : Natural) is
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      Ctr : Natural := Count;
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      --  Count of bytes left to output
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      Adr : Address := Addr;
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      --  Current address
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      N : Natural := 0;
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      --  Number of bytes output on current line
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      C : Character;
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      --  Character at current storage address
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      AIL : constant := Address_Image_Length - 4 + 2;
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      --  Number of chars in initial address + colon + space
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      Line_Len : constant Natural := AIL + 3 * 16 + 2 + 16;
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      --  Line length for entire line
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      Line_Buf : String (1 .. Line_Len);
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      Hex : constant array (0 .. 15) of Character := "0123456789ABCDEF";
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      type Char_Ptr is access all Character;
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      function To_Char_Ptr is new Ada.Unchecked_Conversion (Address, Char_Ptr);
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   begin
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      while Ctr /= 0 loop
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         --  Start of line processing
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         if N = 0 then
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            declare
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               S : constant String := Image (Adr);
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            begin
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               Line_Buf (1 .. AIL) := S (4 .. S'Length - 1) & ": ";
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               Line_Buf (AIL + 1 .. Line_Buf'Last) := (others => ' ');
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               Line_Buf (AIL + 3 * 16 + 1) := '"';
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            end;
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         end if;
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         --  Add one character to current line
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         C := To_Char_Ptr (Adr).all;
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         Adr := Adr + 1;
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         Ctr := Ctr - 1;
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         Line_Buf (AIL + 3 * N + 1) := Hex (Character'Pos (C) / 16);
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         Line_Buf (AIL + 3 * N + 2) := Hex (Character'Pos (C) mod 16);
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         if C < ' ' or else C = Character'Val (16#7F#) then
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            C := '?';
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         end if;
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         Line_Buf (AIL + 3 * 16 + 2 + N) := C;
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         N := N + 1;
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         --  End of line processing
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         if N = 16 then
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            Line_Buf (Line_Buf'Last) := '"';
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            GNAT.IO.Put_Line (Line_Buf);
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            N := 0;
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         end if;
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      end loop;
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      --  Deal with possible last partial line
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      if N /= 0 then
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         Line_Buf (AIL + 3 * 16 + 2 + N) := '"';
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         GNAT.IO.Put_Line (Line_Buf (1 .. AIL + 3 * 16 + 2 + N));
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      end if;
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      return;
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   end Dump;
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end GNAT.Memory_Dump;

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