------------------------------------------------------------------------------
-- --
--- GNAT RUNTIME COMPONENTS --
+-- GNAT RUN-TIME COMPONENTS --
-- --
-- G N A T . D E B U G _ U T I L I T I E S --
-- --
-- S p e c --
-- --
--- $Revision: 1.5 $ --
--- --
--- Copyright (C) 1995-1998 Ada Core Technologies, Inc. --
+-- Copyright (C) 1995-2010, 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- --
+-- ware Foundation; either version 3, 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. --
+-- or FITNESS FOR A PARTICULAR PURPOSE. --
+-- --
+-- As a special exception under Section 7 of GPL version 3, you are granted --
+-- additional permissions described in the GCC Runtime Library Exception, --
+-- version 3.1, as published by the Free Software Foundation. --
-- --
--- 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. --
+-- You should have received a copy of the GNU General Public License and --
+-- a copy of the GCC Runtime Library Exception along with this program; --
+-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
+-- <http://www.gnu.org/licenses/>. --
-- --
--- GNAT is maintained by Ada Core Technologies Inc (http://www.gnat.com). --
+-- GNAT was originally developed by the GNAT team at New York University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
with System;
package GNAT.Debug_Utilities is
-pragma Pure (Debug_Utilities);
+ pragma Pure;
+
+ Address_64 : constant Boolean := Standard'Address_Size = 64;
+ -- Set true if 64 bit addresses (assumes only 32 and 64 are possible)
+
+ Address_Image_Length : constant := 13 + 10 * Boolean'Pos (Address_64);
+ -- Length of string returned by Image function for an address
+
+ subtype Image_String is String (1 .. Address_Image_Length);
+ -- Subtype returned by Image function for an address
+
+ Address_Image_C_Length : constant := 10 + 8 * Boolean'Pos (Address_64);
+ -- Length of string returned by Image_C function
+
+ subtype Image_C_String is String (1 .. Address_Image_C_Length);
+ -- Subtype returned by Image_C function
function Image (S : String) return String;
-- Returns a string image of S, obtained by prepending and appending
-- quote (") characters and doubling any quote characters in the string.
-- The maximum length of the result is thus 2 ** S'Length + 2.
- Address_Image_Length : constant :=
- 13 + 10 * Boolean'Pos (Standard'Address_Size > 32);
- -- Length of string returned by Image function
-
- function Image (A : System.Address) return String;
- -- Returns a string of the form 16#xxxx_xxxx# for 32-bit addresses
- -- or 16#xxxx_xxxx_xxxx_xxxx# for 64-bit addresses. Hex characters
+ function Image (A : System.Address) return Image_String;
+ -- Returns a string of the form 16#hhhh_hhhh# for 32-bit addresses
+ -- or 16#hhhh_hhhh_hhhh_hhhh# for 64-bit addresses. Hex characters
-- are in upper case.
+ function Image_C (A : System.Address) return Image_C_String;
+ -- Returns a string of the form 0xhhhhhhhh for 32 bit addresses or
+ -- 0xhhhhhhhhhhhhhhhh for 64-bit addresses. Hex characters are in
+ -- upper case.
+
function Value (S : String) return System.Address;
-- Given a valid integer literal in any form, including the form returned
-- by the Image function in this package, yields the corresponding address.
+ -- Note that this routine will handle any Ada integer format, and will
+ -- also handle hex constants in C format (0xhh..hhh). Constraint_Error
+ -- may be raised for obviously incorrect data, but the routine is fairly
+ -- permissive, and in particular, all underscores in whatever position
+ -- are simply ignored completely.
end GNAT.Debug_Utilities;
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