| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT RUNTIME COMPONENTS -- |
| -- -- |
| -- G N A T . M E M O R Y _ D U M P -- |
| -- -- |
| -- B o d y -- |
| -- -- |
| -- Copyright (C) 2003 Ada Core Technologies, 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 2, 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. See the GNU General Public License -- |
| -- for more details. You should have received a copy of the GNU General -- |
| -- Public License distributed with GNAT; see file COPYING. If not, write -- |
| -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, -- |
| -- MA 02111-1307, USA. -- |
| -- -- |
| -- As a special exception, if other files instantiate generics from this -- |
| -- unit, or you link this unit with other files to produce an executable, -- |
| -- this unit does not by itself cause the resulting executable to be -- |
| -- covered by the GNU General Public License. This exception does not -- |
| -- however invalidate any other reasons why the executable file might be -- |
| -- covered by the GNU Public License. -- |
| -- -- |
| -- GNAT was originally developed by the GNAT team at New York University. -- |
| -- Extensive contributions were provided by Ada Core Technologies Inc. -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| with System; use System; |
| with System.Storage_Elements; use System.Storage_Elements; |
| |
| with GNAT.IO; use GNAT.IO; |
| with GNAT.Debug_Utilities; use GNAT.Debug_Utilities; |
| |
| with Unchecked_Conversion; |
| |
| package body GNAT.Memory_Dump is |
| |
| ---------- |
| -- Dump -- |
| ---------- |
| |
| procedure Dump (Addr : System.Address; Count : Natural) is |
| Ctr : Natural := Count; |
| -- Count of bytes left to output |
| |
| Adr : Address := Addr; |
| -- Current address |
| |
| N : Natural := 0; |
| -- Number of bytes output on current line |
| |
| C : Character; |
| -- Character at current storage address |
| |
| AIL : constant := Address_Image_Length - 4 + 2; |
| -- Number of chars in initial address + colon + space |
| |
| Line_Len : constant Natural := AIL + 3 * 16 + 2 + 16; |
| -- Line length for entire line |
| |
| Line_Buf : String (1 .. Line_Len); |
| |
| Hex : constant array (0 .. 15) of Character := "0123456789ABCDEF"; |
| |
| type Char_Ptr is access all Character; |
| |
| function To_Char_Ptr is new Unchecked_Conversion (Address, Char_Ptr); |
| |
| begin |
| while Ctr /= 0 loop |
| |
| -- Start of line processing |
| |
| if N = 0 then |
| declare |
| S : constant String := Image (Adr); |
| begin |
| Line_Buf (1 .. AIL) := S (4 .. S'Length - 1) & ": "; |
| Line_Buf (AIL + 1 .. Line_Buf'Last) := (others => ' '); |
| Line_Buf (AIL + 3 * 16 + 1) := '"'; |
| end; |
| end if; |
| |
| -- Add one character to current line |
| |
| C := To_Char_Ptr (Adr).all; |
| Adr := Adr + 1; |
| Ctr := Ctr - 1; |
| |
| Line_Buf (AIL + 3 * N + 1) := Hex (Character'Pos (C) / 16); |
| Line_Buf (AIL + 3 * N + 2) := Hex (Character'Pos (C) mod 16); |
| |
| if C < ' ' or else C = Character'Val (16#7F#) then |
| C := '?'; |
| end if; |
| |
| Line_Buf (AIL + 3 * 16 + 2 + N) := C; |
| N := N + 1; |
| |
| -- End of line processing |
| |
| if N = 16 then |
| Line_Buf (Line_Buf'Last) := '"'; |
| GNAT.IO.Put_Line (Line_Buf); |
| N := 0; |
| end if; |
| end loop; |
| |
| -- Deal with possible last partial line |
| |
| if N /= 0 then |
| Line_Buf (AIL + 3 * 16 + 2 + N) := '"'; |
| GNAT.IO.Put_Line (Line_Buf (1 .. AIL + 3 * 16 + 2 + N)); |
| end if; |
| |
| return; |
| end Dump; |
| |
| end GNAT.Memory_Dump; |
