gcc/ada/mdll-utl.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --                            M D L L . T O O L S                           --
   6 --                                                                          --
   7 --                                 B o d y                                  --
   8 --                                                                          --
   9 --          Copyright (C) 1992-2004 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 2,  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 COPYING.  If not, write --
  19 -- to  the  Free Software Foundation,  51  Franklin  Street,  Fifth  Floor, --
  20 -- Boston, MA 02110-1301, USA.                                              --
  21 --                                                                          --
  22 -- GNAT was originally developed  by the GNAT team at  New York University. --
  23 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  24 --                                                                          --
  25 ------------------------------------------------------------------------------
  26
  27 --  Interface to externals tools used to build DLL and import libraries
  28
  29 with Ada.Text_IO;
  30 with Ada.Exceptions;
  31
  32 with GNAT.Directory_Operations;
  33 with Osint;
  34
  35 package body MDLL.Utl is
  36
  37    use Ada;
  38    use GNAT;
  39
  40    Dlltool_Name  : constant String := "dlltool";
  41    Dlltool_Exec  : OS_Lib.String_Access;
  42
  43    Gcc_Name      : constant String := "gcc";
  44    Gcc_Exec      : OS_Lib.String_Access;
  45
  46    Gnatbind_Name : constant String := "gnatbind";
  47    Gnatbind_Exec : OS_Lib.String_Access;
  48
  49    Gnatlink_Name : constant String := "gnatlink";
  50    Gnatlink_Exec : OS_Lib.String_Access;
  51
  52    procedure Print_Command
  53      (Tool_Name : String;
  54       Arguments : OS_Lib.Argument_List);
  55    --  display the command runned when in Verbose mode
  56
  57    -------------------
  58    -- Print_Command --
  59    -------------------
  60
  61    procedure Print_Command
  62      (Tool_Name : String;
  63       Arguments : OS_Lib.Argument_List)
  64    is
  65    begin
  66       if Verbose then
  67          Text_IO.Put (Tool_Name);
  68          for K in Arguments'Range loop
  69             Text_IO.Put (" " & Arguments (K).all);
  70          end loop;
  71          Text_IO.New_Line;
  72       end if;
  73    end Print_Command;
  74
  75    -------------
  76    -- Dlltool --
  77    -------------
  78
  79    procedure Dlltool
  80      (Def_Filename : String;
  81       DLL_Name     : String;
  82       Library      : String;
  83       Exp_Table    : String := "";
  84       Base_File    : String := "";
  85       Build_Import : Boolean)
  86    is
  87       Arguments  : OS_Lib.Argument_List (1 .. 11);
  88       A          : Positive;
  89
  90       Success    : Boolean;
  91
  92       Def_Opt    : aliased String := "--def";
  93       Def_V      : aliased String := Def_Filename;
  94       Dll_Opt    : aliased String := "--dllname";
  95       Dll_V      : aliased String := DLL_Name;
  96       Lib_Opt    : aliased String := "--output-lib";
  97       Lib_V      : aliased String := Library;
  98       Exp_Opt    : aliased String := "--output-exp";
  99       Exp_V      : aliased String := Exp_Table;
 100       Bas_Opt    : aliased String := "--base-file";
 101       Bas_V      : aliased String := Base_File;
 102       No_Suf_Opt : aliased String := "-k";
 103    begin
 104       Arguments (1 .. 4) := (1 => Def_Opt'Unchecked_Access,
 105                              2 => Def_V'Unchecked_Access,
 106                              3 => Dll_Opt'Unchecked_Access,
 107                              4 => Dll_V'Unchecked_Access);
 108       A := 4;
 109
 110       if Kill_Suffix then
 111          A := A + 1;
 112          Arguments (A) := No_Suf_Opt'Unchecked_Access;
 113       end if;
 114
 115       if Library /= "" and then Build_Import then
 116          A := A + 1;
 117          Arguments (A) := Lib_Opt'Unchecked_Access;
 118          A := A + 1;
 119          Arguments (A) := Lib_V'Unchecked_Access;
 120       end if;
 121
 122       if Exp_Table /= "" then
 123          A := A + 1;
 124          Arguments (A) := Exp_Opt'Unchecked_Access;
 125          A := A + 1;
 126          Arguments (A) := Exp_V'Unchecked_Access;
 127       end if;
 128
 129       if Base_File /= "" then
 130          A := A + 1;
 131          Arguments (A) := Bas_Opt'Unchecked_Access;
 132          A := A + 1;
 133          Arguments (A) := Bas_V'Unchecked_Access;
 134       end if;
 135
 136       Print_Command ("dlltool", Arguments (1 .. A));
 137
 138       OS_Lib.Spawn (Dlltool_Exec.all, Arguments (1 .. A), Success);
 139
 140       if not Success then
 141          Exceptions.Raise_Exception
 142            (Tools_Error'Identity, Dlltool_Name & " execution error.");
 143       end if;
 144
 145    end Dlltool;
 146
 147    ---------
 148    -- Gcc --
 149    ---------
 150
 151    procedure Gcc
 152      (Output_File : String;
 153       Files       : Argument_List;
 154       Options     : Argument_List;
 155       Base_File   : String := "";
 156       Build_Lib   : Boolean := False)
 157    is
 158       use Osint;
 159
 160       Arguments : OS_Lib.Argument_List
 161         (1 .. 5 + Files'Length + Options'Length);
 162       A         : Natural := 0;
 163
 164       Success   : Boolean;
 165       C_Opt     : aliased String := "-c";
 166       Out_Opt   : aliased String := "-o";
 167       Out_V     : aliased String := Output_File;
 168       Bas_Opt   : aliased String := "-Wl,--base-file," & Base_File;
 169       Lib_Opt   : aliased String := "-mdll";
 170       Lib_Dir   : aliased String := "-L" & Object_Dir_Default_Prefix;
 171
 172    begin
 173       A := A + 1;
 174       if Build_Lib then
 175          Arguments (A) := Lib_Opt'Unchecked_Access;
 176       else
 177          Arguments (A) := C_Opt'Unchecked_Access;
 178       end if;
 179
 180       A := A + 1;
 181       Arguments (A .. A + 2) := (Out_Opt'Unchecked_Access,
 182                                  Out_V'Unchecked_Access,
 183                                  Lib_Dir'Unchecked_Access);
 184       A := A + 2;
 185
 186       if Base_File /= "" then
 187          A := A + 1;
 188          Arguments (A) := Bas_Opt'Unchecked_Access;
 189       end if;
 190
 191       A := A + 1;
 192       Arguments (A .. A + Files'Length - 1) := Files;
 193       A := A + Files'Length - 1;
 194
 195       if Build_Lib then
 196          A := A + 1;
 197          Arguments (A .. A + Options'Length - 1) := Options;
 198          A := A + Options'Length - 1;
 199       else
 200          declare
 201             Largs : Argument_List (Options'Range);
 202             L     : Natural := Largs'First - 1;
 203          begin
 204             for K in Options'Range loop
 205                if Options (K) (1 .. 2) /= "-l" then
 206                   L := L + 1;
 207                   Largs (L) := Options (K);
 208                end if;
 209             end loop;
 210             A := A + 1;
 211             Arguments (A .. A + L - 1) := Largs (1 .. L);
 212             A := A + L - 1;
 213          end;
 214       end if;
 215
 216       Print_Command ("gcc", Arguments (1 .. A));
 217
 218       OS_Lib.Spawn (Gcc_Exec.all, Arguments (1 .. A), Success);
 219
 220       if not Success then
 221          Exceptions.Raise_Exception
 222            (Tools_Error'Identity, Gcc_Name & " execution error.");
 223       end if;
 224    end Gcc;
 225
 226    --------------
 227    -- Gnatbind --
 228    --------------
 229
 230    procedure Gnatbind
 231      (Alis : Argument_List;
 232       Args : Argument_List := Null_Argument_List)
 233    is
 234       Arguments   : OS_Lib.Argument_List (1 .. 1 + Alis'Length + Args'Length);
 235       Success     : Boolean;
 236
 237       No_Main_Opt : aliased String := "-n";
 238
 239    begin
 240       Arguments (1) := No_Main_Opt'Unchecked_Access;
 241       Arguments (2 .. 1 + Alis'Length) := Alis;
 242       Arguments (2 + Alis'Length .. Arguments'Last) := Args;
 243
 244       Print_Command ("gnatbind", Arguments);
 245
 246       OS_Lib.Spawn (Gnatbind_Exec.all, Arguments, Success);
 247
 248       --  Delete binder files on failure
 249
 250       if not Success then
 251          declare
 252             Base_Name : constant String :=
 253               Directory_Operations.Base_Name (Alis (1).all, ".ali");
 254          begin
 255             OS_Lib.Delete_File ("b~" & Base_Name & ".ads", Success);
 256             OS_Lib.Delete_File ("b~" & Base_Name & ".adb", Success);
 257          end;
 258
 259          Exceptions.Raise_Exception
 260            (Tools_Error'Identity, Gnatbind_Name & " execution error.");
 261       end if;
 262    end Gnatbind;
 263
 264    --------------
 265    -- Gnatlink --
 266    --------------
 267
 268    procedure Gnatlink
 269      (Ali  : String;
 270       Args : Argument_List := Null_Argument_List)
 271    is
 272       Arguments : OS_Lib.Argument_List (1 .. 1 + Args'Length);
 273       Success   : Boolean;
 274
 275       Ali_Name  : aliased String := Ali;
 276
 277    begin
 278       Arguments (1) := Ali_Name'Unchecked_Access;
 279       Arguments (2 .. Arguments'Last) := Args;
 280
 281       Print_Command ("gnatlink", Arguments);
 282
 283       OS_Lib.Spawn (Gnatlink_Exec.all, Arguments, Success);
 284
 285       if not Success then
 286          --  Delete binder files
 287          declare
 288             Base_Name : constant String :=
 289               Directory_Operations.Base_Name (Ali, ".ali");
 290          begin
 291             OS_Lib.Delete_File ("b~" & Base_Name & ".ads", Success);
 292             OS_Lib.Delete_File ("b~" & Base_Name & ".adb", Success);
 293             OS_Lib.Delete_File ("b~" & Base_Name & ".ali", Success);
 294             OS_Lib.Delete_File ("b~" & Base_Name & ".o", Success);
 295          end;
 296
 297          Exceptions.Raise_Exception
 298            (Tools_Error'Identity, Gnatlink_Name & " execution error.");
 299       end if;
 300    end Gnatlink;
 301
 302    ------------
 303    -- Locate --
 304    ------------
 305
 306    procedure Locate is
 307       use type OS_Lib.String_Access;
 308    begin
 309       --  dlltool
 310
 311       if Dlltool_Exec = null then
 312          Dlltool_Exec := OS_Lib.Locate_Exec_On_Path (Dlltool_Name);
 313
 314          if Dlltool_Exec = null then
 315             Exceptions.Raise_Exception
 316               (Tools_Error'Identity, Dlltool_Name & " not found in path");
 317
 318          elsif Verbose then
 319             Text_IO.Put_Line ("using " & Dlltool_Exec.all);
 320          end if;
 321       end if;
 322
 323       --  gcc
 324
 325       if Gcc_Exec = null then
 326          Gcc_Exec := OS_Lib.Locate_Exec_On_Path (Gcc_Name);
 327
 328          if Gcc_Exec = null then
 329             Exceptions.Raise_Exception
 330               (Tools_Error'Identity, Gcc_Name & " not found in path");
 331
 332          elsif Verbose then
 333             Text_IO.Put_Line ("using " & Gcc_Exec.all);
 334          end if;
 335       end if;
 336
 337       --  gnatbind
 338
 339       if Gnatbind_Exec = null then
 340          Gnatbind_Exec := OS_Lib.Locate_Exec_On_Path (Gnatbind_Name);
 341
 342          if Gnatbind_Exec = null then
 343             Exceptions.Raise_Exception
 344               (Tools_Error'Identity, Gnatbind_Name & " not found in path");
 345
 346          elsif Verbose then
 347             Text_IO.Put_Line ("using " & Gnatbind_Exec.all);
 348          end if;
 349       end if;
 350
 351       --  gnatlink
 352
 353       if Gnatlink_Exec = null then
 354          Gnatlink_Exec := OS_Lib.Locate_Exec_On_Path (Gnatlink_Name);
 355
 356          if Gnatlink_Exec = null then
 357             Exceptions.Raise_Exception
 358               (Tools_Error'Identity, Gnatlink_Name & " not found in path");
 359
 360          elsif Verbose then
 361             Text_IO.Put_Line ("using " & Gnatlink_Exec.all);
 362             Text_IO.New_Line;
 363          end if;
 364       end if;
 365    end Locate;
 366
 367 end MDLL.Utl;