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) 2003-2011, 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 with System.Case_Util; use System.Case_Util;
  29
  30 package body MLib.Tgt.VMS_Common is
  31
  32    --  Non default subprograms. See comments in mlib-tgt.ads
  33
  34    function Archive_Ext return String;
  35
  36    function Default_Symbol_File_Name return String;
  37
  38    function DLL_Ext return String;
  39
  40    function Is_Object_Ext (Ext : String) return Boolean;
  41
  42    function Is_Archive_Ext (Ext : String) return Boolean;
  43
  44    function Libgnat return String;
  45
  46    function Object_Ext return String;
  47
  48    function Library_Major_Minor_Id_Supported return Boolean;
  49
  50    function PIC_Option return String;
  51
  52    -----------------
  53    -- Archive_Ext --
  54    -----------------
  55
  56    function Archive_Ext return String is
  57    begin
  58       return "olb";
  59    end Archive_Ext;
  60
  61    ------------------------------
  62    -- Default_Symbol_File_Name --
  63    ------------------------------
  64
  65    function Default_Symbol_File_Name return String is
  66    begin
  67       return "symvec.opt";
  68    end Default_Symbol_File_Name;
  69
  70    -------------
  71    -- DLL_Ext --
  72    -------------
  73
  74    function DLL_Ext return String is
  75    begin
  76       return "exe";
  77    end DLL_Ext;
  78
  79    --------------------
  80    -- Init_Proc_Name --
  81    --------------------
  82
  83    function Init_Proc_Name (Library_Name : String) return String is
  84       Result : String := Library_Name & "INIT";
  85    begin
  86       To_Upper (Result);
  87
  88       if Result = "ADAINIT" then
  89          return "ADA_INIT";
  90
  91       else
  92          return Result;
  93       end if;
  94    end Init_Proc_Name;
  95
  96    -------------------
  97    -- Is_Object_Ext --
  98    -------------------
  99
 100    function Is_Object_Ext (Ext : String) return Boolean is
 101    begin
 102       return Ext = ".obj";
 103    end Is_Object_Ext;
 104
 105    --------------------
 106    -- Is_Archive_Ext --
 107    --------------------
 108
 109    function Is_Archive_Ext (Ext : String) return Boolean is
 110    begin
 111       return Ext = ".olb" or else Ext = ".exe";
 112    end Is_Archive_Ext;
 113
 114    -------------
 115    -- Libgnat --
 116    -------------
 117
 118    function Libgnat return String is
 119       Libgnat_A : constant String := "libgnat.a";
 120       Libgnat_Olb : constant String := "libgnat.olb";
 121
 122    begin
 123       Name_Len := Libgnat_A'Length;
 124       Name_Buffer (1 .. Name_Len) := Libgnat_A;
 125
 126       if Osint.Find_File (Name_Enter, Osint.Library) /= No_File then
 127          return Libgnat_A;
 128       else
 129          return Libgnat_Olb;
 130       end if;
 131    end Libgnat;
 132
 133    --------------------------------------
 134    -- Library_Major_Minor_Id_Supported --
 135    --------------------------------------
 136
 137    function Library_Major_Minor_Id_Supported return Boolean is
 138    begin
 139       return False;
 140    end Library_Major_Minor_Id_Supported;
 141
 142    ----------------
 143    -- Object_Ext --
 144    ----------------
 145
 146    function Object_Ext return String is
 147    begin
 148       return "obj";
 149    end Object_Ext;
 150
 151    ----------------
 152    -- PIC_Option --
 153    ----------------
 154
 155    function PIC_Option return String is
 156    begin
 157       return "";
 158    end PIC_Option;
 159
 160 --  Package initialization
 161
 162 begin
 163    Archive_Ext_Ptr              := Archive_Ext'Access;
 164    Default_Symbol_File_Name_Ptr := Default_Symbol_File_Name'Access;
 165    DLL_Ext_Ptr                  := DLL_Ext'Access;
 166    Is_Object_Ext_Ptr            := Is_Object_Ext'Access;
 167    Is_Archive_Ext_Ptr           := Is_Archive_Ext'Access;
 168    Libgnat_Ptr                  := Libgnat'Access;
 169    Object_Ext_Ptr               := Object_Ext'Access;
 170    PIC_Option_Ptr               := PIC_Option'Access;
 171    Library_Major_Minor_Id_Supported_Ptr :=
 172                                    Library_Major_Minor_Id_Supported'Access;
 173
 174 end MLib.Tgt.VMS_Common;