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Diffstat (limited to 'gcc/ada/indepsw.ads')
| -rw-r--r-- | gcc/ada/indepsw.ads | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/gcc/ada/indepsw.ads b/gcc/ada/indepsw.ads new file mode 100644 index 000000000..a96409aed --- /dev/null +++ b/gcc/ada/indepsw.ads @@ -0,0 +1,82 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT COMPILER COMPONENTS -- +-- -- +-- I N D E P S W -- +-- -- +-- S p e c -- +-- -- +-- Copyright (C) 2004-2009, Free Software Foundation, 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- -- +-- 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. -- +-- -- +------------------------------------------------------------------------------ + +-- GNATLINK platform-independent switches + +-- Used to convert GNAT switches to their platform-dependent switch +-- equivalent for the underlying linker. + +with System.OS_Lib; use System.OS_Lib; + +package Indepsw is + + type Switch_Kind is + -- Independent switches currently supported + + (Map_File); + -- Produce a map file. The path name of the map file to produce + -- is given as an argument. + + procedure Convert + (Switch : Switch_Kind; + Argument : String; + To : out String_List_Access); + -- Convert Switch to the platform-dependent linker switch (with or without + -- additional arguments) To. Issue a warning if Switch is not supported + -- for the platform; in this case, To is set to null. + + function Is_Supported (Switch : Switch_Kind) return Boolean; + -- Return True for each independent switch supported by the platform + +private + -- Default warning messages when the switches are not supported by the + -- implementation. These are in the spec so that the platform specific + -- bodies do not need to redefine them. + + Map_File_Not_Supported : aliased String := + "the underlying linker does not allow the output of a map file"; + + No_Support_For : constant array (Switch_Kind) of String_Access := + (Map_File => Map_File_Not_Supported'Access); + -- All implementations of procedure Convert should include a case + -- statements with a "when others =>" choice that output the default + -- warning message: + + -- case Switch is + -- when ... => + -- ... + -- when others => + -- Write_Str ("warning: "); + -- Write_Line (No_Support_For (Switch).all); + -- To := null; + -- end case; + +end Indepsw; |