126 lines
4.8 KiB
Ada
126 lines
4.8 KiB
Ada
------------------------------------------------------------------------------
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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) 2003-2007, 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 2, 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. See the GNU General Public License --
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-- for more details. You should have received a copy of the GNU General --
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-- Public License distributed with GNAT; see file COPYING. If not, write --
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-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
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-- Boston, MA 02110-1301, USA. --
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-- --
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-- As a special exception, if other files instantiate generics from this --
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-- unit, or you link this unit with other files to produce an executable, --
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-- this unit does not by itself cause the resulting executable to be --
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-- covered by the GNU General Public License. This exception does not --
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-- however invalidate any other reasons why the executable file might be --
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-- covered by the GNU Public License. --
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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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