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Diffstat (limited to 'gcc-4.4.3/gcc/ada/g-memdum.adb')
| -rw-r--r-- | gcc-4.4.3/gcc/ada/g-memdum.adb | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/gcc-4.4.3/gcc/ada/g-memdum.adb b/gcc-4.4.3/gcc/ada/g-memdum.adb new file mode 100644 index 000000000..5b8b3c05b --- /dev/null +++ b/gcc-4.4.3/gcc/ada/g-memdum.adb @@ -0,0 +1,125 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUN-TIME COMPONENTS -- +-- -- +-- G N A T . M E M O R Y _ D U M P -- +-- -- +-- B o d y -- +-- -- +-- Copyright (C) 2003-2007, AdaCore -- +-- -- +-- 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, 51 Franklin Street, Fifth Floor, -- +-- Boston, MA 02110-1301, 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 Ada.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 Ada.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; |