trunk/gcc/ada/mlib-tgt-vms_common.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --                  M L I B . T G T . V M S _ C O M M O N                   --
   6 --                                                                          --
   7 --                                 B o d y                                  --
   8 --                                                                          --
   9 --          Copyright (C) 2003-2008, 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.  See the GNU General Public License --
  17 -- for  more details.  You should have  received  a copy of the GNU General --
  18 -- Public License  distributed with GNAT; see file COPYING3.  If not, go to --
  19 -- http://www.gnu.org/licenses for a complete copy of the license.          --
  20 --                                                                          --
  21 -- GNAT was originally developed  by the GNAT team at  New York University. --
  22 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  23 --                                                                          --
  24 ------------------------------------------------------------------------------
  25
  26 --  This is the part of MLib.Tgt.Specific common to both VMS versions
  27
  28 package body MLib.Tgt.VMS_Common is
  29
  30    --  Non default subprograms. See comments in mlib-tgt.ads
  31
  32    function Archive_Ext return String;
  33
  34    function Default_Symbol_File_Name return String;
  35
  36    function DLL_Ext return String;
  37
  38    function Is_Object_Ext (Ext : String) return Boolean;
  39
  40    function Is_Archive_Ext (Ext : String) return Boolean;
  41
  42    function Libgnat return String;
  43
  44    function Object_Ext return String;
  45
  46    function Library_Major_Minor_Id_Supported return Boolean;
  47
  48    function PIC_Option return String;
  49
  50    -----------------
  51    -- Archive_Ext --
  52    -----------------
  53
  54    function Archive_Ext return String is
  55    begin
  56       return "olb";
  57    end Archive_Ext;
  58
  59    ------------------------------
  60    -- Default_Symbol_File_Name --
  61    ------------------------------
  62
  63    function Default_Symbol_File_Name return String is
  64    begin
  65       return "symvec.opt";
  66    end Default_Symbol_File_Name;
  67
  68    -------------
  69    -- DLL_Ext --
  70    -------------
  71
  72    function DLL_Ext return String is
  73    begin
  74       return "exe";
  75    end DLL_Ext;
  76
  77    -------------------
  78    -- Is_Object_Ext --
  79    -------------------
  80
  81    function Is_Object_Ext (Ext : String) return Boolean is
  82    begin
  83       return Ext = ".obj";
  84    end Is_Object_Ext;
  85
  86    --------------------
  87    -- Is_Archive_Ext --
  88    --------------------
  89
  90    function Is_Archive_Ext (Ext : String) return Boolean is
  91    begin
  92       return Ext = ".olb" or else Ext = ".exe";
  93    end Is_Archive_Ext;
  94
  95    -------------
  96    -- Libgnat --
  97    -------------
  98
  99    function Libgnat return String is
 100       Libgnat_A : constant String := "libgnat.a";
 101       Libgnat_Olb : constant String := "libgnat.olb";
 102
 103    begin
 104       Name_Len := Libgnat_A'Length;
 105       Name_Buffer (1 .. Name_Len) := Libgnat_A;
 106
 107       if Osint.Find_File (Name_Enter, Osint.Library) /= No_File then
 108          return Libgnat_A;
 109       else
 110          return Libgnat_Olb;
 111       end if;
 112    end Libgnat;
 113
 114    --------------------------------------
 115    -- Library_Major_Minor_Id_Supported --
 116    --------------------------------------
 117
 118    function Library_Major_Minor_Id_Supported return Boolean is
 119    begin
 120       return False;
 121    end Library_Major_Minor_Id_Supported;
 122
 123    ----------------
 124    -- Object_Ext --
 125    ----------------
 126
 127    function Object_Ext return String is
 128    begin
 129       return "obj";
 130    end Object_Ext;
 131
 132    ----------------
 133    -- PIC_Option --
 134    ----------------
 135
 136    function PIC_Option return String is
 137    begin
 138       return "";
 139    end PIC_Option;
 140
 141 --  Package initialization
 142
 143 begin
 144    Archive_Ext_Ptr              := Archive_Ext'Access;
 145    Default_Symbol_File_Name_Ptr := Default_Symbol_File_Name'Access;
 146    DLL_Ext_Ptr                  := DLL_Ext'Access;
 147    Is_Object_Ext_Ptr            := Is_Object_Ext'Access;
 148    Is_Archive_Ext_Ptr           := Is_Archive_Ext'Access;
 149    Libgnat_Ptr                  := Libgnat'Access;
 150    Object_Ext_Ptr               := Object_Ext'Access;
 151    PIC_Option_Ptr               := PIC_Option'Access;
 152    Library_Major_Minor_Id_Supported_Ptr :=
 153                                    Library_Major_Minor_Id_Supported'Access;
 154
 155 end MLib.Tgt.VMS_Common;