summaryrefslogtreecommitdiff
path: root/gcc/ada/g-debuti.ads
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/ada/g-debuti.ads')
-rw-r--r--gcc/ada/g-debuti.ads40
1 files changed, 31 insertions, 9 deletions
diff --git a/gcc/ada/g-debuti.ads b/gcc/ada/g-debuti.ads
index 334b103d43f..470c2867f59 100644
--- a/gcc/ada/g-debuti.ads
+++ b/gcc/ada/g-debuti.ads
@@ -6,7 +6,7 @@
-- --
-- S p e c --
-- --
--- Copyright (C) 1995-1998 Ada Core Technologies, Inc. --
+-- Copyright (C) 1995-2003 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- --
@@ -26,7 +26,8 @@
-- however invalidate any other reasons why the executable file might be --
-- covered by the GNU Public License. --
-- --
--- 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. --
-- --
------------------------------------------------------------------------------
@@ -40,22 +41,43 @@ with System;
package GNAT.Debug_Utilities is
pragma Pure (Debug_Utilities);
+ 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;