diff options
Diffstat (limited to 'gcc/ada/g-debuti.ads')
-rw-r--r-- | gcc/ada/g-debuti.ads | 40 |
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; |