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author | Arnaud Charlet <charlet@gcc.gnu.org> | 2014-07-18 11:55:03 +0200 |
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committer | Arnaud Charlet <charlet@gcc.gnu.org> | 2014-07-18 11:55:03 +0200 |
commit | 6128aad4587fea11e2e351490fe97a8d7051556b (patch) | |
tree | 102d8f3e3c05ed3d1d16b845d7f4da4383a6e438 /gcc/ada/g-memdum.adb | |
parent | 623267dc190af4ed37d179d8ee7c0b62c5c5d3d0 (diff) | |
download | gcc-6128aad4587fea11e2e351490fe97a8d7051556b.zip gcc-6128aad4587fea11e2e351490fe97a8d7051556b.tar.gz gcc-6128aad4587fea11e2e351490fe97a8d7051556b.tar.bz2 |
[multiple changes]
2014-07-18 Thomas Quinot <quinot@adacore.com>
* g-memdum.adb, g-memdum.ads (Dump): New parameter Prefix, defaulted
to Absolute_Address.
2014-07-18 Eric Botcazou <ebotcazou@adacore.com>
* opt.ads (Suppress_Back_Annotation): Remove as unused.
* fe.h (Back_Annotate_Rep_Info): Likewise.
(Global_Discard_Names): Likewise.
From-SVN: r212799
Diffstat (limited to 'gcc/ada/g-memdum.adb')
-rw-r--r-- | gcc/ada/g-memdum.adb | 125 |
1 files changed, 84 insertions, 41 deletions
diff --git a/gcc/ada/g-memdum.adb b/gcc/ada/g-memdum.adb index 616d601..31564c5 100644 --- a/gcc/ada/g-memdum.adb +++ b/gcc/ada/g-memdum.adb @@ -6,7 +6,7 @@ -- -- -- B o d y -- -- -- --- Copyright (C) 2003-2010, AdaCore -- +-- Copyright (C) 2003-2014, 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- -- @@ -30,6 +30,7 @@ ------------------------------------------------------------------------------ with System; use System; +with System.Img_BIU; use System.Img_BIU; with System.Storage_Elements; use System.Storage_Elements; with GNAT.IO; use GNAT.IO; @@ -43,10 +44,18 @@ package body GNAT.Memory_Dump is -- Dump -- ---------- - procedure Dump (Addr : System.Address; Count : Natural) is + procedure Dump + (Addr : Address; + Count : Natural; + Prefix : Prefix_Type := Absolute_Address) + is Ctr : Natural := Count; -- Count of bytes left to output + Offset_Buf : String (1 .. Standard'Address_Size / 4 + 4); + Offset_Last : Natural; + -- Buffer for prefix in Offset mode + Adr : Address := Addr; -- Current address @@ -56,14 +65,12 @@ package body GNAT.Memory_Dump is C : Character; -- Character at current storage address - AIL : constant := Address_Image_Length - 4 + 2; - -- Number of chars in initial address + colon + space + AIL : Natural; + -- Number of chars in prefix (including colon and space) - Line_Len : constant Natural := AIL + 3 * 16 + 2 + 16; + Line_Len : Natural; -- 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; @@ -71,53 +78,89 @@ package body GNAT.Memory_Dump is function To_Char_Ptr is new Ada.Unchecked_Conversion (Address, Char_Ptr); begin - while Ctr /= 0 loop + case Prefix is + when Absolute_Address => + AIL := Address_Image_Length - 4 + 2; + when Offset => + Offset_Last := Offset_Buf'First - 1; + Set_Image_Based_Integer (Ctr, 16, 0, Offset_Buf, Offset_Last); + AIL := Offset_Last - 4 + 2; + when None => + AIL := 0; + end case; + Line_Len := AIL + 3 * 16 + 2 + 16; + + declare + Line_Buf : String (1 .. Line_Len); + begin + while Ctr /= 0 loop + + -- Start of line processing + + if N = 0 then + case Prefix is + when Absolute_Address => + declare + S : constant String := Image (Adr); + begin + Line_Buf (1 .. AIL) := S (4 .. S'Length - 1) & ": "; + end; + + when Offset => + declare + Last : Natural := 0; + Len : Natural; + begin + Set_Image_Based_Integer + (Count - Ctr, 16, 0, Offset_Buf, Last); + Len := Last - 4; + + Line_Buf (1 .. AIL - Len - 2) := (others => '0'); + Line_Buf (AIL - Len - 1 .. AIL - 2) := + Offset_Buf (4 .. Last - 1); + Line_Buf (AIL - 1 .. AIL) := ": "; + end; + when None => + null; + end case; - -- 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; + end if; - -- Add one character to current line + -- Add one character to current line - C := To_Char_Ptr (Adr).all; - Adr := Adr + 1; - Ctr := Ctr - 1; + 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); + 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; + if C < ' ' or else C = Character'Val (16#7F#) then + C := '?'; + end if; - Line_Buf (AIL + 3 * 16 + 2 + N) := C; - N := N + 1; + Line_Buf (AIL + 3 * 16 + 2 + N) := C; + N := N + 1; - -- End of line processing + -- 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; + 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 + -- 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; + 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; + end; - return; end Dump; end GNAT.Memory_Dump; |