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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [ada/] [indepsw.ads] - Blame information for rev 281

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1 281 jeremybenn
------------------------------------------------------------------------------
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--                                                                          --
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--                         GNAT COMPILER COMPONENTS                         --
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--                                                                          --
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--                              I N D E P S W                               --
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--                                                                          --
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--                                 S p e c                                  --
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--                                                                          --
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--          Copyright (C) 2004-2009, Free Software Foundation, Inc.         --
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--                                                                          --
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-- GNAT is free software;  you can  redistribute it  and/or modify it under --
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-- terms of the  GNU General Public License as published  by the Free Soft- --
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-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
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-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
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--                                                                          --
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-- As a special exception under Section 7 of GPL version 3, you are granted --
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-- additional permissions described in the GCC Runtime Library Exception,   --
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-- version 3.1, as published by the Free Software Foundation.               --
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--                                                                          --
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-- You should have received a copy of the GNU General Public License and    --
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-- a copy of the GCC Runtime Library Exception along with this program;     --
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-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
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-- <http://www.gnu.org/licenses/>.                                          --
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--                                                                          --
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-- GNAT was originally developed  by the GNAT team at  New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc.      --
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--                                                                          --
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------------------------------------------------------------------------------
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--  GNATLINK platform-independent switches
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--  Used to convert GNAT switches to their platform-dependent switch
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--  equivalent for the underlying linker.
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with System.OS_Lib; use System.OS_Lib;
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package Indepsw is
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   type Switch_Kind is
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   --  Independent switches currently supported
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     (Map_File);
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      --  Produce a map file. The path name of the map file to produce
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      --  is given as an argument.
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   procedure Convert
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     (Switch   : Switch_Kind;
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      Argument : String;
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      To       : out String_List_Access);
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   --  Convert Switch to the platform-dependent linker switch (with or without
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   --  additional arguments) To. Issue a warning if Switch is not supported
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   --  for the platform; in this case, To is set to null.
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   function Is_Supported (Switch : Switch_Kind) return Boolean;
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   --  Return True for each independent switch supported by the platform
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private
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   --  Default warning messages when the switches are not supported by the
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   --  implementation. These are in the spec so that the platform specific
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   --  bodies do not need to redefine them.
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   Map_File_Not_Supported : aliased String :=
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     "the underlying linker does not allow the output of a map file";
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   No_Support_For : constant array (Switch_Kind) of String_Access :=
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                      (Map_File => Map_File_Not_Supported'Access);
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   --  All implementations of procedure Convert should include a case
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   --  statements with a "when others =>" choice that output the default
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   --  warning message:
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   --   case Switch is
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   --      when ... =>
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   --         ...
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   --      when others =>
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   --         Write_Str ("warning: ");
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   --         Write_Line (No_Support_For (Switch).all);
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   --         To := null;
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   --   end case;
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end Indepsw;

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