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Diffstat (limited to 'gcc-4.8.3/gcc/ada/g-debuti.ads')
| -rw-r--r-- | gcc-4.8.3/gcc/ada/g-debuti.ads | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/gcc-4.8.3/gcc/ada/g-debuti.ads b/gcc-4.8.3/gcc/ada/g-debuti.ads new file mode 100644 index 000000000..dd860a74b --- /dev/null +++ b/gcc-4.8.3/gcc/ada/g-debuti.ads @@ -0,0 +1,81 @@ +------------------------------------------------------------------------------ +-- -- +-- 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 -- +-- -- +-- 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 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. -- +-- -- +-- 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. -- +-- -- +-- 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 was originally developed by the GNAT team at New York University. -- +-- Extensive contributions were provided by Ada Core Technologies Inc. -- +-- -- +------------------------------------------------------------------------------ + +-- Debugging utilities + +-- This package provides some useful utility subprograms for use in writing +-- routines that generate debugging output. + +with System; + +package GNAT.Debug_Utilities is + 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. + + 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; |