gomp-20050608-branch/gcc/ada/mlib-tgt-vxworks.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --                             M L I B . T G T                              --
   6 --                            (VxWorks Version)                             --
   7 --                                                                          --
   8 --                                 B o d y                                  --
   9 --                                                                          --
  10 --           Copyright (C) 2003-2005 Free Software Foundation, Inc.         --
  11 --                                                                          --
  12 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  13 -- terms of the  GNU General Public License as published  by the Free Soft- --
  14 -- ware  Foundation;  either version 2,  or (at your option) any later ver- --
  15 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  16 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  17 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  18 -- for  more details.  You should have  received  a copy of the GNU General --
  19 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
  20 -- to  the  Free Software Foundation,  51  Franklin  Street,  Fifth  Floor, --
  21 -- Boston, MA 02110-1301, USA.                                              --
  22 --                                                                          --
  23 -- GNAT was originally developed  by the GNAT team at  New York University. --
  24 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  25 --                                                                          --
  26 ------------------------------------------------------------------------------
  27
  28 --  This package provides a set of target dependent routines to build
  29 --  static libraries.
  30
  31 --  This is the VxWorks version of the body
  32
  33 with MLib.Fil;
  34 with Namet;  use Namet;
  35 with Prj.Com;
  36 with Sdefault;
  37
  38 package body MLib.Tgt is
  39
  40    -----------------------
  41    -- Local Subprograms --
  42    -----------------------
  43
  44    function Get_Target_Suffix return String;
  45    --  Returns the required suffix for some utilities
  46    --  (such as ar and ranlib) that depend on the real target.
  47
  48    ---------------------
  49    -- Archive_Builder --
  50    ---------------------
  51
  52    function Archive_Builder return String is
  53    begin
  54       return "ar" & Get_Target_Suffix;
  55    end Archive_Builder;
  56
  57    -----------------------------
  58    -- Archive_Builder_Options --
  59    -----------------------------
  60
  61    function Archive_Builder_Options return String_List_Access is
  62    begin
  63       return new String_List'(1 => new String'("cr"));
  64    end Archive_Builder_Options;
  65
  66    -----------------
  67    -- Archive_Ext --
  68    -----------------
  69
  70    function Archive_Ext return String is
  71    begin
  72       return "a";
  73    end Archive_Ext;
  74
  75    ---------------------
  76    -- Archive_Indexer --
  77    ---------------------
  78
  79    function Archive_Indexer return String is
  80    begin
  81       return "ranlib" & Get_Target_Suffix;
  82    end Archive_Indexer;
  83
  84    -----------------------------
  85    -- Archive_Indexer_Options --
  86    -----------------------------
  87
  88    function Archive_Indexer_Options return String_List_Access is
  89    begin
  90       return new String_List (1 .. 0);
  91    end Archive_Indexer_Options;
  92
  93    ---------------------------
  94    -- Build_Dynamic_Library --
  95    ---------------------------
  96
  97    procedure Build_Dynamic_Library
  98      (Ofiles       : Argument_List;
  99       Foreign      : Argument_List;
 100       Afiles       : Argument_List;
 101       Options      : Argument_List;
 102       Options_2    : Argument_List;
 103       Interfaces   : Argument_List;
 104       Lib_Filename : String;
 105       Lib_Dir      : String;
 106       Symbol_Data  : Symbol_Record;
 107       Driver_Name  : Name_Id := No_Name;
 108       Lib_Version  : String  := "";
 109       Auto_Init    : Boolean := False)
 110    is
 111       pragma Unreferenced (Ofiles);
 112       pragma Unreferenced (Foreign);
 113       pragma Unreferenced (Afiles);
 114       pragma Unreferenced (Options);
 115       pragma Unreferenced (Options_2);
 116       pragma Unreferenced (Interfaces);
 117       pragma Unreferenced (Lib_Filename);
 118       pragma Unreferenced (Lib_Dir);
 119       pragma Unreferenced (Symbol_Data);
 120       pragma Unreferenced (Driver_Name);
 121       pragma Unreferenced (Lib_Version);
 122       pragma Unreferenced (Auto_Init);
 123
 124    begin
 125       null;
 126    end Build_Dynamic_Library;
 127
 128    -------------
 129    -- DLL_Ext --
 130    -------------
 131
 132    function DLL_Ext return String is
 133    begin
 134       return "";
 135    end DLL_Ext;
 136
 137    ----------------
 138    -- DLL_Prefix --
 139    ----------------
 140
 141    function DLL_Prefix return String is
 142    begin
 143       return "lib";
 144    end DLL_Prefix;
 145
 146    --------------------
 147    -- Dynamic_Option --
 148    --------------------
 149
 150    function Dynamic_Option return String is
 151    begin
 152       return "";
 153    end Dynamic_Option;
 154
 155    -----------------------------
 156    -- Get_Target_Suffix --
 157    -----------------------------
 158
 159    function Get_Target_Suffix return String is
 160       Target_Name : constant String_Ptr := Sdefault.Target_Name;
 161       Index       : Positive   := Target_Name'First;
 162
 163    begin
 164       while Index < Target_Name'Last
 165         and then Target_Name (Index + 1) /= '-'
 166       loop
 167          Index := Index + 1;
 168       end loop;
 169
 170       if Target_Name (Target_Name'First .. Index) = "m68k" then
 171          return "68k";
 172       elsif Target_Name (Target_Name'First .. Index) = "mips" then
 173          return "mips";
 174       elsif Target_Name (Target_Name'First .. Index) = "powerpc" then
 175          return "ppc";
 176       elsif Target_Name (Target_Name'First .. Index) = "sparc" then
 177          return "sparc";
 178       elsif Target_Name (Target_Name'First .. Index) = "sparc64" then
 179          return "sparc64";
 180       elsif Target_Name (Target_Name'First .. Index) = "xscale" then
 181          return "arm";
 182       else
 183          return "";
 184       end if;
 185    end Get_Target_Suffix;
 186
 187    -------------------
 188    -- Is_Object_Ext --
 189    -------------------
 190
 191    function Is_Object_Ext (Ext : String) return Boolean is
 192    begin
 193       return Ext = ".o";
 194    end Is_Object_Ext;
 195
 196    --------------
 197    -- Is_C_Ext --
 198    --------------
 199
 200    function Is_C_Ext (Ext : String) return Boolean is
 201    begin
 202       return Ext = ".c";
 203    end Is_C_Ext;
 204
 205    --------------------
 206    -- Is_Archive_Ext --
 207    --------------------
 208
 209    function Is_Archive_Ext (Ext : String) return Boolean is
 210    begin
 211       return Ext = ".a";
 212    end Is_Archive_Ext;
 213
 214    -------------
 215    -- Libgnat --
 216    -------------
 217
 218    function Libgnat return String is
 219    begin
 220       return "libgnat.a";
 221    end Libgnat;
 222
 223    ------------------------
 224    -- Library_Exists_For --
 225    ------------------------
 226
 227    function Library_Exists_For
 228      (Project : Project_Id; In_Tree : Project_Tree_Ref) return Boolean
 229    is
 230    begin
 231       if not In_Tree.Projects.Table (Project).Library then
 232          Prj.Com.Fail ("INTERNAL ERROR: Library_Exists_For called " &
 233                        "for non library project");
 234          return False;
 235
 236       else
 237          declare
 238             Lib_Dir : constant String :=
 239               Get_Name_String
 240                 (In_Tree.Projects.Table (Project).Library_Dir);
 241             Lib_Name : constant String :=
 242               Get_Name_String
 243                 (In_Tree.Projects.Table (Project).Library_Name);
 244
 245          begin
 246             if In_Tree.Projects.Table (Project).Library_Kind =
 247               Static
 248             then
 249                return Is_Regular_File
 250                  (Lib_Dir & Directory_Separator & "lib" &
 251                   Fil.Ext_To (Lib_Name, Archive_Ext));
 252
 253             else
 254                return Is_Regular_File
 255                  (Lib_Dir & Directory_Separator & "lib" &
 256                   Fil.Ext_To (Lib_Name, DLL_Ext));
 257             end if;
 258          end;
 259       end if;
 260    end Library_Exists_For;
 261
 262    ---------------------------
 263    -- Library_File_Name_For --
 264    ---------------------------
 265
 266    function Library_File_Name_For
 267      (Project : Project_Id;
 268       In_Tree : Project_Tree_Ref) return Name_Id
 269    is
 270    begin
 271       if not In_Tree.Projects.Table (Project).Library then
 272          Prj.Com.Fail ("INTERNAL ERROR: Library_File_Name_For called " &
 273                        "for non library project");
 274          return No_Name;
 275
 276       else
 277          declare
 278             Lib_Name : constant String :=
 279               Get_Name_String
 280                 (In_Tree.Projects.Table (Project).Library_Name);
 281
 282          begin
 283             Name_Len := 3;
 284             Name_Buffer (1 .. Name_Len) := "lib";
 285
 286             if In_Tree.Projects.Table (Project).Library_Kind =
 287               Static
 288             then
 289                Add_Str_To_Name_Buffer (Fil.Ext_To (Lib_Name, Archive_Ext));
 290
 291             else
 292                Add_Str_To_Name_Buffer (Fil.Ext_To (Lib_Name, DLL_Ext));
 293             end if;
 294
 295             return Name_Find;
 296          end;
 297       end if;
 298    end Library_File_Name_For;
 299
 300    ----------------
 301    -- Object_Ext --
 302    ----------------
 303
 304    function Object_Ext return String is
 305    begin
 306       return "o";
 307    end Object_Ext;
 308
 309    ----------------
 310    -- PIC_Option --
 311    ----------------
 312
 313    function PIC_Option return String is
 314    begin
 315       return "";
 316    end PIC_Option;
 317
 318    -----------------------------------------------
 319    -- Standalone_Library_Auto_Init_Is_Supported --
 320    -----------------------------------------------
 321
 322    function Standalone_Library_Auto_Init_Is_Supported return Boolean is
 323    begin
 324       return False;
 325    end Standalone_Library_Auto_Init_Is_Supported;
 326
 327    ---------------------------
 328    -- Support_For_Libraries --
 329    ---------------------------
 330
 331    function Support_For_Libraries return Library_Support is
 332    begin
 333       return Static_Only;
 334    end Support_For_Libraries;
 335
 336 end MLib.Tgt;