1------------------------------------------------------------------------------ 2-- -- 3-- GNAT COMPILER COMPONENTS -- 4-- -- 5-- I N D E P S W -- 6-- -- 7-- S p e c -- 8-- -- 9-- Copyright (C) 2004-2009, Free Software Foundation, Inc. -- 10-- -- 11-- GNAT is free software; you can redistribute it and/or modify it under -- 12-- terms of the GNU General Public License as published by the Free Soft- -- 13-- ware Foundation; either version 3, or (at your option) any later ver- -- 14-- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- 15-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- 16-- or FITNESS FOR A PARTICULAR PURPOSE. -- 17-- -- 18-- As a special exception under Section 7 of GPL version 3, you are granted -- 19-- additional permissions described in the GCC Runtime Library Exception, -- 20-- version 3.1, as published by the Free Software Foundation. -- 21-- -- 22-- You should have received a copy of the GNU General Public License and -- 23-- a copy of the GCC Runtime Library Exception along with this program; -- 24-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- 25-- <http://www.gnu.org/licenses/>. -- 26-- -- 27-- GNAT was originally developed by the GNAT team at New York University. -- 28-- Extensive contributions were provided by Ada Core Technologies Inc. -- 29-- -- 30------------------------------------------------------------------------------ 31 32-- GNATLINK platform-independent switches 33 34-- Used to convert GNAT switches to their platform-dependent switch 35-- equivalent for the underlying linker. 36 37with System.OS_Lib; use System.OS_Lib; 38 39package Indepsw is 40 41 type Switch_Kind is 42 -- Independent switches currently supported 43 44 (Map_File); 45 -- Produce a map file. The path name of the map file to produce 46 -- is given as an argument. 47 48 procedure Convert 49 (Switch : Switch_Kind; 50 Argument : String; 51 To : out String_List_Access); 52 -- Convert Switch to the platform-dependent linker switch (with or without 53 -- additional arguments) To. Issue a warning if Switch is not supported 54 -- for the platform; in this case, To is set to null. 55 56 function Is_Supported (Switch : Switch_Kind) return Boolean; 57 -- Return True for each independent switch supported by the platform 58 59private 60 -- Default warning messages when the switches are not supported by the 61 -- implementation. These are in the spec so that the platform specific 62 -- bodies do not need to redefine them. 63 64 Map_File_Not_Supported : aliased String := 65 "the underlying linker does not allow the output of a map file"; 66 67 No_Support_For : constant array (Switch_Kind) of String_Access := 68 (Map_File => Map_File_Not_Supported'Access); 69 -- All implementations of procedure Convert should include a case 70 -- statements with a "when others =>" choice that output the default 71 -- warning message: 72 73 -- case Switch is 74 -- when ... => 75 -- ... 76 -- when others => 77 -- Write_Str ("warning: "); 78 -- Write_Line (No_Support_For (Switch).all); 79 -- To := null; 80 -- end case; 81 82end Indepsw; 83