1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 1997-2006, 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 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. --
22 -- GNAT was originally developed by the GNAT team at New York University. --
23 -- Extensive contributions were provided by Ada Core Technologies Inc. --
25 ------------------------------------------------------------------------------
27 -- GNATDLL is a Windows specific tool for building a DLL.
28 -- Both relocatable and non-relocatable DLL's are supported
30 with Ada
.Text_IO
; use Ada
.Text_IO
;
31 with Ada
.Strings
.Unbounded
; use Ada
.Strings
.Unbounded
;
32 with Ada
.Exceptions
; use Ada
.Exceptions
;
33 with Ada
.Command_Line
; use Ada
.Command_Line
;
34 with GNAT
.OS_Lib
; use GNAT
.OS_Lib
;
35 with GNAT
.Command_Line
; use GNAT
.Command_Line
;
38 with MDLL
.Fil
; use MDLL
.Fil
;
39 with MDLL
.Utl
; use MDLL
.Utl
;
43 use type GNAT
.OS_Lib
.Argument_List
;
48 procedure Check
(Filename
: String);
49 -- Check that the file whose name is Filename exists
51 procedure Parse_Command_Line
;
52 -- Parse the command line arguments passed to gnatdll
54 procedure Check_Context
;
55 -- Check the context before runing any commands to build the library
57 Syntax_Error
: exception;
58 -- Raised when a syntax error is detected, in this case a usage info will
61 Context_Error
: exception;
62 -- Raised when some files (specifed on the command line) are missing to
65 Help
: Boolean := False;
66 -- Help will be set to True the usage information is to be displayed
68 Version
: constant String := Gnatvsn
.Gnat_Version_String
;
69 -- Why should it be necessary to make a copy of this
71 Default_DLL_Address
: constant String := "0x11000000";
72 -- Default address for non relocatable DLL (Win32)
74 Lib_Filename
: Unbounded_String
:= Null_Unbounded_String
;
75 -- The DLL filename that will be created (.dll)
77 Def_Filename
: Unbounded_String
:= Null_Unbounded_String
;
78 -- The definition filename (.def)
80 List_Filename
: Unbounded_String
:= Null_Unbounded_String
;
81 -- The name of the file containing the objects file to put into the DLL
83 DLL_Address
: Unbounded_String
:= To_Unbounded_String
(Default_DLL_Address
);
84 -- The DLL's base address
86 Gen_Map_File
: Boolean := False;
87 -- Set to True if a map file is to be generated
89 Objects_Files
: Argument_List_Access
:= MDLL
.Null_Argument_List_Access
;
90 -- List of objects to put inside the library
92 Ali_Files
: Argument_List_Access
:= MDLL
.Null_Argument_List_Access
;
93 -- For each Ada file specified, we keep arecord of the corresponding
94 -- ALI file. This list of SLI files is used to build the binder program.
96 Options
: Argument_List_Access
:= MDLL
.Null_Argument_List_Access
;
97 -- A list of options set in the command line
99 Largs_Options
: Argument_List_Access
:= MDLL
.Null_Argument_List_Access
;
100 Bargs_Options
: Argument_List_Access
:= MDLL
.Null_Argument_List_Access
;
101 -- GNAT linker and binder args options
103 type Build_Mode_State
is (Import_Lib
, Dynamic_Lib
, Dynamic_Lib_Only
, Nil
);
104 -- Import_Lib means only the .a file will be created, Dynamic_Lib means
105 -- that both the DLL and the import library will be created.
106 -- Dynamic_Lib_Only means that only the DLL will be created (no import
109 Build_Mode
: Build_Mode_State
:= Nil
;
110 -- Will be set when parsing the command line
112 Must_Build_Relocatable
: Boolean := True;
113 -- True means build a relocatable DLL, will be set to False if a
114 -- non-relocatable DLL must be built.
121 procedure P
(Str
: String) renames Put_Line
;
123 P
("Usage : gnatdll [options] [list-of-files]");
125 P
("[list-of-files] a list of Ada libraries (.ali) and/or " &
126 "foreign object files");
128 P
("[options] can be");
129 P
(" -h Help - display this message");
132 P
(" -k Remove @nn suffix from exported names");
133 P
(" -g Generate debugging information");
134 P
(" -Idir Specify source and object files search path");
135 P
(" -l file File contains a list-of-files to be added to "
137 P
(" -e file Definition file containing exports");
138 P
(" -d file Put objects in the relocatable dynamic "
140 P
(" -b addr Set base address for the relocatable DLL");
141 P
(" default address is " & Default_DLL_Address
);
142 P
(" -a[addr] Build non-relocatable DLL at address <addr>");
143 P
(" if <addr> is not specified use "
144 & Default_DLL_Address
);
145 P
(" -m Generate map file");
146 P
(" -n No-import - do not create the import library");
147 P
(" -bargs opts opts are passed to the binder");
148 P
(" -largs opts opts are passed to the linker");
155 procedure Check
(Filename
: String) is
157 if not Is_Regular_File
(Filename
) then
159 (Context_Error
'Identity, "Error: " & Filename
& " not found.");
163 ------------------------
164 -- Parse_Command_Line --
165 ------------------------
167 procedure Parse_Command_Line
is
169 procedure Add_File
(Filename
: String);
170 -- Add one file to the list of file to handle
172 procedure Add_Files_From_List
(List_Filename
: String);
173 -- Add the files listed in List_Filename (one by line) to the list
176 Max_Files
: constant := 5_000
;
177 Max_Options
: constant := 100;
178 -- These are arbitrary limits, a better way will be to use linked list.
179 -- No, a better choice would be to use tables ???
182 Ofiles
: Argument_List
(1 .. Max_Files
);
183 O
: Positive := Ofiles
'First;
184 -- List of object files to put in the library. O is the next entry
187 Afiles
: Argument_List
(1 .. Max_Files
);
188 A
: Positive := Afiles
'First;
189 -- List of ALI files. A is the next entry to be used
191 Gopts
: Argument_List
(1 .. Max_Options
);
192 G
: Positive := Gopts
'First;
193 -- List of gcc options. G is the next entry to be used
195 Lopts
: Argument_List
(1 .. Max_Options
);
196 L
: Positive := Lopts
'First;
197 -- A list of -largs options (L is next entry to be used)
199 Bopts
: Argument_List
(1 .. Max_Options
);
200 B
: Positive := Bopts
'First;
201 -- A list of -bargs options (B is next entry to be used)
203 Build_Import
: Boolean := True;
204 -- Set to Fals if option -n if specified (no-import)
210 procedure Add_File
(Filename
: String) is
212 if Is_Ali
(Filename
) then
215 -- Record it to generate the binder program when
216 -- building dynamic library
218 Afiles
(A
) := new String'(Filename);
221 elsif Is_Obj (Filename) then
224 -- Just record this object file
226 Ofiles (O) := new String'(Filename
);
233 (Syntax_Error
'Identity,
234 "don't know what to do with " & Filename
& " !");
238 -------------------------
239 -- Add_Files_From_List --
240 -------------------------
242 procedure Add_Files_From_List
(List_Filename
: String) is
244 Buffer
: String (1 .. 500);
248 Open
(File
, In_File
, List_Filename
);
250 while not End_Of_File
(File
) loop
251 Get_Line
(File
, Buffer
, Last
);
252 Add_File
(Buffer
(1 .. Last
));
260 (Syntax_Error
'Identity,
261 "list-of-files file " & List_Filename
& " not found.");
262 end Add_Files_From_List
;
264 -- Start of processing for Parse_Command_Line
267 Initialize_Option_Scan
('-', False, "bargs largs");
269 -- scan gnatdll switches
272 case Getopt
("g h v q k a? b: d: e: l: n m I:") is
281 Gopts
(G
) := new String'("-g");
286 -- Turn verbose mode on
288 MDLL.Verbose := True;
291 (Syntax_Error'Identity,
292 "impossible to use -q and -v together.");
297 -- Turn quiet mode on
302 (Syntax_Error'Identity,
303 "impossible to use -v and -q together.");
308 MDLL.Kill_Suffix := True;
312 if Parameter = "" then
314 -- Default address for a relocatable dynamic library.
315 -- address for a non relocatable dynamic library.
317 DLL_Address := To_Unbounded_String (Default_DLL_Address);
320 DLL_Address := To_Unbounded_String (Parameter);
323 Must_Build_Relocatable := False;
327 DLL_Address := To_Unbounded_String (Parameter);
329 Must_Build_Relocatable := True;
333 Def_Filename := To_Unbounded_String (Parameter);
337 -- Build a non relocatable DLL
339 Lib_Filename := To_Unbounded_String (Parameter);
341 if Def_Filename = Null_Unbounded_String then
342 Def_Filename := To_Unbounded_String
343 (Ext_To (Parameter, "def"));
346 Build_Mode := Dynamic_Lib;
350 Gen_Map_File := True;
354 Build_Import := False;
357 List_Filename := To_Unbounded_String (Parameter);
360 Gopts (G) := new String'("-I" & Parameter
);
364 raise Invalid_Switch
;
372 File
: constant String := Get_Argument
(Do_Expansion
=> True);
374 exit when File
'Length = 0;
379 -- Get largs parameters
381 Goto_Section
("largs");
389 Lopts
(L
) := new String'(Full_Switch);
394 -- Get bargs parameters
396 Goto_Section ("bargs");
405 Bopts (B) := new String'(Full_Switch
);
411 -- if list filename has been specified, parse it
413 if List_Filename
/= Null_Unbounded_String
then
414 Add_Files_From_List
(To_String
(List_Filename
));
417 -- Check if the set of parameters are compatible
419 if Build_Mode
= Nil
and then not Help
and then not MDLL
.Verbose
then
420 Raise_Exception
(Syntax_Error
'Identity, "nothing to do.");
423 -- -n option but no file specified
426 and then A
= Afiles
'First
427 and then O
= Ofiles
'First
430 (Syntax_Error
'Identity,
431 "-n specified but there are no objects to build the library.");
434 -- Check if we want to build an import library (option -e and
435 -- no file specified)
437 if Build_Mode
= Dynamic_Lib
438 and then A
= Afiles
'First
439 and then O
= Ofiles
'First
441 Build_Mode
:= Import_Lib
;
444 -- If map file is to be generated, add linker option here
446 if Gen_Map_File
and then Build_Mode
= Import_Lib
then
448 (Syntax_Error
'Identity,
449 "Can't generate a map file for an import library.");
452 -- Check if only a dynamic library must be built
454 if Build_Mode
= Dynamic_Lib
and then not Build_Import
then
455 Build_Mode
:= Dynamic_Lib_Only
;
458 if O
/= Ofiles
'First then
459 Objects_Files
:= new Argument_List
'(Ofiles (1 .. O - 1));
462 if A /= Afiles'First then
463 Ali_Files := new Argument_List'(Afiles
(1 .. A
- 1));
466 if G
/= Gopts
'First then
467 Options
:= new Argument_List
'(Gopts (1 .. G - 1));
470 if L /= Lopts'First then
471 Largs_Options := new Argument_List'(Lopts
(1 .. L
- 1));
474 if B
/= Bopts
'First then
475 Bargs_Options
:= new Argument_List
'(Bopts (1 .. B - 1));
479 when Invalid_Switch =>
481 (Syntax_Error'Identity,
482 Message => "Invalid Switch " & Full_Switch);
484 when Invalid_Parameter =>
486 (Syntax_Error'Identity,
487 Message => "No parameter for " & Full_Switch);
488 end Parse_Command_Line;
494 procedure Check_Context is
496 Check (To_String (Def_Filename));
498 -- Check that each object file specified exists and raise exception
499 -- Context_Error if it does not.
501 for F in Objects_Files'Range loop
502 Check (Objects_Files (F).all);
506 -- Start of processing for Gnatdll
509 if Ada.Command_Line.Argument_Count = 0 then
515 if MDLL.Verbose or else Help then
517 Put_Line ("GNATDLL " & Version & " - Dynamic Libraries Builder");
524 or else (MDLL.Verbose and then Ada.Command_Line.Argument_Count = 1)
532 MDLL.Build_Import_Library
533 (To_String (Lib_Filename),
534 To_String (Def_Filename));
537 MDLL.Build_Dynamic_Library
543 To_String (Lib_Filename),
544 To_String (Def_Filename),
545 To_String (DLL_Address),
546 Build_Import => True,
547 Relocatable => Must_Build_Relocatable,
548 Map_File => Gen_Map_File);
550 when Dynamic_Lib_Only =>
551 MDLL.Build_Dynamic_Library
557 To_String (Lib_Filename),
558 To_String (Def_Filename),
559 To_String (DLL_Address),
560 Build_Import => False,
561 Relocatable => Must_Build_Relocatable,
562 Map_File => Gen_Map_File);
569 Set_Exit_Status (Success);
572 when SE : Syntax_Error =>
573 Put_Line ("Syntax error : " & Exception_Message (SE));
576 Set_Exit_Status (Failure);
578 when E : MDLL.Tools_Error | Context_Error =>
579 Put_Line (Exception_Message (E));
580 Set_Exit_Status (Failure);
583 Put_Line ("gnatdll: INTERNAL ERROR. Please report");
584 Set_Exit_Status (Failure);