1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 1997-2013, Free Software Foundation, Inc. --
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. --
21 -- GNAT was originally developed by the GNAT team at New York University. --
22 -- Extensive contributions were provided by Ada Core Technologies Inc. --
24 ------------------------------------------------------------------------------
26 -- GNATDLL is a Windows specific tool for building a DLL.
27 -- Both relocatable and non-relocatable DLL's are supported
30 with MDLL.Fil; use MDLL.Fil;
31 with MDLL.Utl; use MDLL.Utl;
32 with Switch; use Switch;
34 with Ada.Text_IO; use Ada.Text_IO;
35 with Ada.Strings.Unbounded; use Ada.Strings.Unbounded;
36 with Ada.Exceptions; use Ada.Exceptions;
37 with Ada.Command_Line; use Ada.Command_Line;
39 with GNAT.OS_Lib; use GNAT.OS_Lib;
40 with GNAT.Command_Line; use GNAT.Command_Line;
44 use type GNAT.OS_Lib.Argument_List;
49 procedure Check (Filename : String);
50 -- Check that the file whose name is Filename exists
52 procedure Parse_Command_Line;
53 -- Parse the command line arguments passed to gnatdll
55 procedure Check_Context;
56 -- Check the context before running any commands to build the library
58 Syntax_Error : exception;
59 -- Raised when a syntax error is detected, in this case a usage info will
62 Context_Error : exception;
63 -- Raised when some files (specified on the command line) are missing to
66 Help : Boolean := False;
67 -- Help will be set to True the usage information is to be displayed
69 Version : constant String := Gnatvsn.Gnat_Version_String;
70 -- Why should it be necessary to make a copy of this
72 Default_DLL_Address : constant String := "0x11000000";
73 -- Default address for non relocatable DLL (Win32)
75 Lib_Filename : Unbounded_String := Null_Unbounded_String;
76 -- The DLL filename that will be created (.dll)
78 Def_Filename : Unbounded_String := Null_Unbounded_String;
79 -- The definition filename (.def)
81 List_Filename : Unbounded_String := Null_Unbounded_String;
82 -- The name of the file containing the objects file to put into the DLL
84 DLL_Address : Unbounded_String := To_Unbounded_String (Default_DLL_Address);
85 -- The DLL's base address
87 Gen_Map_File : Boolean := False;
88 -- Set to True if a map file is to be generated
90 Objects_Files : Argument_List_Access := MDLL.Null_Argument_List_Access;
91 -- List of objects to put inside the library
93 Ali_Files : Argument_List_Access := MDLL.Null_Argument_List_Access;
94 -- For each Ada file specified, we keep a record of the corresponding
95 -- ALI file. This list of SLI files is used to build the binder program.
97 Options : Argument_List_Access := MDLL.Null_Argument_List_Access;
98 -- A list of options set in the command line
100 Largs_Options : Argument_List_Access := MDLL.Null_Argument_List_Access;
101 Bargs_Options : Argument_List_Access := MDLL.Null_Argument_List_Access;
102 -- GNAT linker and binder args options
104 type Build_Mode_State is (Import_Lib, Dynamic_Lib, Dynamic_Lib_Only, Nil);
105 -- Import_Lib means only the .a file will be created, Dynamic_Lib means
106 -- that both the DLL and the import library will be created.
107 -- Dynamic_Lib_Only means that only the DLL will be created (no import
110 Build_Mode : Build_Mode_State := Nil;
111 -- Will be set when parsing the command line
113 Must_Build_Relocatable : Boolean := True;
114 -- True means build a relocatable DLL, will be set to False if a
115 -- non-relocatable DLL must be built.
122 procedure P (Str : String) renames Put_Line;
124 P ("Usage : gnatdll [options] [list-of-files]");
126 P ("[list-of-files] a list of Ada libraries (.ali) and/or " &
127 "foreign object files");
129 P ("[options] can be");
130 P (" -h Help - display this message");
133 P (" -k Remove @nn suffix from exported names");
134 P (" -g Generate debugging information");
135 P (" -Idir Specify source and object files search path");
136 P (" -l file File contains a list-of-files to be added to "
138 P (" -e file Definition file containing exports");
139 P (" -d file Put objects in the relocatable dynamic "
141 P (" -b addr Set base address for the relocatable DLL");
142 P (" default address is " & Default_DLL_Address);
143 P (" -a[addr] Build non-relocatable DLL at address <addr>");
144 P (" if <addr> is not specified use "
145 & Default_DLL_Address);
146 P (" -m Generate map file");
147 P (" -n No-import - do not create the import library");
148 P (" -bargs opts opts are passed to the binder");
149 P (" -largs opts opts are passed to the linker");
156 procedure Check (Filename : String) is
158 if not Is_Regular_File (Filename) then
160 (Context_Error'Identity, "Error: " & Filename & " not found.");
164 ------------------------
165 -- Parse_Command_Line --
166 ------------------------
168 procedure Parse_Command_Line is
170 procedure Add_File (Filename : String);
171 -- Add one file to the list of file to handle
173 procedure Add_Files_From_List (List_Filename : String);
174 -- Add the files listed in List_Filename (one by line) to the list
177 Max_Files : constant := 5_000;
178 Max_Options : constant := 100;
179 -- These are arbitrary limits, a better way will be to use linked list.
180 -- No, a better choice would be to use tables ???
183 Ofiles : Argument_List (1 .. Max_Files);
184 O : Positive := Ofiles'First;
185 -- List of object files to put in the library. O is the next entry
188 Afiles : Argument_List (1 .. Max_Files);
189 A : Positive := Afiles'First;
190 -- List of ALI files. A is the next entry to be used
192 Gopts : Argument_List (1 .. Max_Options);
193 G : Positive := Gopts'First;
194 -- List of gcc options. G is the next entry to be used
196 Lopts : Argument_List (1 .. Max_Options);
197 L : Positive := Lopts'First;
198 -- A list of -largs options (L is next entry to be used)
200 Bopts : Argument_List (1 .. Max_Options);
201 B : Positive := Bopts'First;
202 -- A list of -bargs options (B is next entry to be used)
204 Build_Import : Boolean := True;
205 -- Set to False if option -n if specified (no-import)
211 procedure Add_File (Filename : String) is
213 if Is_Ali (Filename) then
216 -- Record it to generate the binder program when
217 -- building dynamic library
219 Afiles (A) := new String'(Filename);
222 elsif Is_Obj (Filename) then
225 -- Just record this object file
227 Ofiles (O) := new String'(Filename);
234 (Syntax_Error'Identity,
235 "don't know what to do with " & Filename & " !");
239 -------------------------
240 -- Add_Files_From_List --
241 -------------------------
243 procedure Add_Files_From_List (List_Filename : String) is
245 Buffer : String (1 .. 500);
249 Open (File, In_File, List_Filename);
251 while not End_Of_File (File) loop
252 Get_Line (File, Buffer, Last);
253 Add_File (Buffer (1 .. Last));
261 (Syntax_Error'Identity,
262 "list-of-files file " & List_Filename & " not found.");
263 end Add_Files_From_List;
265 -- Start of processing for Parse_Command_Line
268 Initialize_Option_Scan ('-', False, "bargs largs");
270 -- scan gnatdll switches
273 case Getopt ("g h v q k a? b: d: e: l: n m I:") is
282 Gopts (G) := new String'("-g");
287 -- Turn verbose mode on
289 MDLL.Verbose := True;
292 (Syntax_Error'Identity,
293 "impossible to use -q and -v together.");
298 -- Turn quiet mode on
303 (Syntax_Error'Identity,
304 "impossible to use -v and -q together.");
309 MDLL.Kill_Suffix := True;
313 if Parameter = "" then
315 -- Default address for a relocatable dynamic library.
316 -- address for a non relocatable dynamic library.
318 DLL_Address := To_Unbounded_String (Default_DLL_Address);
321 DLL_Address := To_Unbounded_String (Parameter);
324 Must_Build_Relocatable := False;
328 DLL_Address := To_Unbounded_String (Parameter);
330 Must_Build_Relocatable := True;
334 Def_Filename := To_Unbounded_String (Parameter);
338 -- Build a non relocatable DLL
340 Lib_Filename := To_Unbounded_String (Parameter);
342 if Def_Filename = Null_Unbounded_String then
343 Def_Filename := To_Unbounded_String
344 (Ext_To (Parameter, "def"));
347 Build_Mode := Dynamic_Lib;
351 Gen_Map_File := True;
355 Build_Import := False;
358 List_Filename := To_Unbounded_String (Parameter);
361 Gopts (G) := new String'("-I" & Parameter);
365 raise Invalid_Switch;
373 File : constant String := Get_Argument (Do_Expansion => True);
375 exit when File'Length = 0;
380 -- Get largs parameters
382 Goto_Section ("largs");
390 Lopts (L) := new String'(Full_Switch);
395 -- Get bargs parameters
397 Goto_Section ("bargs");
406 Bopts (B) := new String'(Full_Switch);
412 -- if list filename has been specified, parse it
414 if List_Filename /= Null_Unbounded_String then
415 Add_Files_From_List (To_String (List_Filename));
418 -- Check if the set of parameters are compatible
420 if Build_Mode = Nil and then not Help and then not MDLL.Verbose then
421 Raise_Exception (Syntax_Error'Identity, "nothing to do.");
424 -- -n option but no file specified
427 and then A = Afiles'First
428 and then O = Ofiles'First
431 (Syntax_Error'Identity,
432 "-n specified but there are no objects to build the library.");
435 -- Check if we want to build an import library (option -e and
436 -- no file specified)
438 if Build_Mode = Dynamic_Lib
439 and then A = Afiles'First
440 and then O = Ofiles'First
442 Build_Mode := Import_Lib;
445 -- If map file is to be generated, add linker option here
447 if Gen_Map_File and then Build_Mode = Import_Lib then
449 (Syntax_Error'Identity,
450 "Can't generate a map file for an import library.");
453 -- Check if only a dynamic library must be built
455 if Build_Mode = Dynamic_Lib and then not Build_Import then
456 Build_Mode := Dynamic_Lib_Only;
459 if O /= Ofiles'First then
460 Objects_Files := new Argument_List'(Ofiles (1 .. O - 1));
463 if A /= Afiles'First then
464 Ali_Files := new Argument_List'(Afiles (1 .. A - 1));
467 if G /= Gopts'First then
468 Options := new Argument_List'(Gopts (1 .. G - 1));
471 if L /= Lopts'First then
472 Largs_Options := new Argument_List'(Lopts (1 .. L - 1));
475 if B /= Bopts'First then
476 Bargs_Options := new Argument_List'(Bopts (1 .. B - 1));
480 when Invalid_Switch =>
482 (Syntax_Error'Identity,
483 Message => "Invalid Switch " & Full_Switch);
485 when Invalid_Parameter =>
487 (Syntax_Error'Identity,
488 Message => "No parameter for " & Full_Switch);
489 end Parse_Command_Line;
495 procedure Check_Context is
497 Check (To_String (Def_Filename));
499 -- Check that each object file specified exists and raise exception
500 -- Context_Error if it does not.
502 for F in Objects_Files'Range loop
503 Check (Objects_Files (F).all);
507 procedure Check_Version_And_Help is new Check_Version_And_Help_G (Syntax);
509 -- Start of processing for Gnatdll
512 Check_Version_And_Help ("GNATDLL", "1997");
514 if Ada.Command_Line.Argument_Count = 0 then
520 if MDLL.Verbose or else Help then
522 Put_Line ("GNATDLL " & Version & " - Dynamic Libraries Builder");
529 or else (MDLL.Verbose and then Ada.Command_Line.Argument_Count = 1)
537 MDLL.Build_Import_Library
538 (To_String (Lib_Filename),
539 To_String (Def_Filename));
542 MDLL.Build_Dynamic_Library
548 To_String (Lib_Filename),
549 To_String (Def_Filename),
550 To_String (DLL_Address),
551 Build_Import => True,
552 Relocatable => Must_Build_Relocatable,
553 Map_File => Gen_Map_File);
555 when Dynamic_Lib_Only =>
556 MDLL.Build_Dynamic_Library
562 To_String (Lib_Filename),
563 To_String (Def_Filename),
564 To_String (DLL_Address),
565 Build_Import => False,
566 Relocatable => Must_Build_Relocatable,
567 Map_File => Gen_Map_File);
574 Set_Exit_Status (Success);
577 when SE : Syntax_Error =>
578 Put_Line ("Syntax error : " & Exception_Message (SE));
581 Set_Exit_Status (Failure);
583 when E : MDLL.Tools_Error | Context_Error =>
584 Put_Line (Exception_Message (E));
585 Set_Exit_Status (Failure);
588 Put_Line ("gnatdll: INTERNAL ERROR. Please report");
589 Set_Exit_Status (Failure);