1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 1996-2005 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, 59 Temple Place - Suite 330, Boston, --
20 -- MA 02111-1307, 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 -- Gnatlink usage: please consult the gnat documentation
30 with Gnatvsn
; use Gnatvsn
;
32 with Indepsw
; use Indepsw
;
33 with Namet
; use Namet
;
35 with Osint
; use Osint
;
36 with Output
; use Output
;
37 with Switch
; use Switch
;
38 with System
; use System
;
42 with Ada
.Command_Line
; use Ada
.Command_Line
;
43 with Ada
.Exceptions
; use Ada
.Exceptions
;
44 with GNAT
.OS_Lib
; use GNAT
.OS_Lib
;
45 with Interfaces
.C_Streams
; use Interfaces
.C_Streams
;
46 with Interfaces
.C
.Strings
; use Interfaces
.C
.Strings
;
50 pragma Ident
(Gnatvsn
.Gnat_Static_Version_String
);
52 package Gcc_Linker_Options
is new Table
.Table
(
53 Table_Component_Type
=> String_Access
,
54 Table_Index_Type
=> Integer,
57 Table_Increment
=> 100,
58 Table_Name
=> "Gnatlink.Gcc_Linker_Options");
59 -- Comments needed ???
61 package Libpath
is new Table
.Table
(
62 Table_Component_Type
=> Character,
63 Table_Index_Type
=> Integer,
65 Table_Initial
=> 4096,
67 Table_Name
=> "Gnatlink.Libpath");
68 -- Comments needed ???
70 package Linker_Options
is new Table
.Table
(
71 Table_Component_Type
=> String_Access
,
72 Table_Index_Type
=> Integer,
75 Table_Increment
=> 100,
76 Table_Name
=> "Gnatlink.Linker_Options");
77 -- Comments needed ???
79 package Linker_Objects
is new Table
.Table
(
80 Table_Component_Type
=> String_Access
,
81 Table_Index_Type
=> Integer,
84 Table_Increment
=> 100,
85 Table_Name
=> "Gnatlink.Linker_Objects");
86 -- This table collects the objects file to be passed to the linker. In the
87 -- case where the linker command line is too long then programs objects
88 -- are put on the Response_File_Objects table. Note that the binder object
89 -- file and the user's objects remain in this table. This is very
90 -- important because on the GNU linker command line the -L switch is not
91 -- used to look for objects files but -L switch is used to look for
92 -- objects listed in the response file. This is not a problem with the
93 -- applications objects as they are specified with a fullname.
95 package Response_File_Objects
is new Table
.Table
(
96 Table_Component_Type
=> String_Access
,
97 Table_Index_Type
=> Integer,
100 Table_Increment
=> 100,
101 Table_Name
=> "Gnatlink.Response_File_Objects");
102 -- This table collects the objects file that are to be put in the response
103 -- file. Only application objects are collected there (see details in
104 -- Linker_Objects table comments)
106 package Binder_Options_From_ALI
is new Table
.Table
(
107 Table_Component_Type
=> String_Access
,
108 Table_Index_Type
=> Integer,
109 Table_Low_Bound
=> 1, -- equals low bound of Argument_List for Spawn
111 Table_Increment
=> 100,
112 Table_Name
=> "Gnatlink.Binder_Options_From_ALI");
113 -- This table collects the switches from the ALI file of the main
116 package Binder_Options
is new Table
.Table
(
117 Table_Component_Type
=> String_Access
,
118 Table_Index_Type
=> Integer,
119 Table_Low_Bound
=> 1, -- equals low bound of Argument_List for Spawn
121 Table_Increment
=> 100,
122 Table_Name
=> "Gnatlink.Binder_Options");
123 -- This table collects the arguments to be passed to compile the binder
126 Gcc
: String_Access
:= Program_Name
("gcc");
128 Read_Mode
: constant String := "r" & ASCII
.Nul
;
130 Begin_Info
: String := "-- BEGIN Object file/option list";
131 End_Info
: String := "-- END Object file/option list ";
132 -- Note: above lines are modified in C mode, see option processing
134 Gcc_Path
: String_Access
;
135 Linker_Path
: String_Access
;
137 Output_File_Name
: String_Access
;
138 Ali_File_Name
: String_Access
;
139 Binder_Spec_Src_File
: String_Access
;
140 Binder_Body_Src_File
: String_Access
;
141 Binder_Ali_File
: String_Access
;
142 Binder_Obj_File
: String_Access
;
144 Tname
: Temp_File_Name
;
145 Tname_FD
: File_Descriptor
:= Invalid_FD
;
146 -- Temporary file used by linker to pass list of object files on
147 -- certain systems with limitations on size of arguments.
149 Debug_Flag_Present
: Boolean := False;
150 Verbose_Mode
: Boolean := False;
151 Very_Verbose_Mode
: Boolean := False;
153 Ada_Bind_File
: Boolean := True;
154 -- Set to True if bind file is generated in Ada
156 Standard_Gcc
: Boolean := True;
158 Compile_Bind_File
: Boolean := True;
159 -- Set to False if bind file is not to be compiled
161 Create_Map_File
: Boolean := False;
162 -- Set to True by switch -M. The map file name is derived from
163 -- the ALI file name (mainprog.ali => mainprog.map).
165 Object_List_File_Supported
: Boolean;
167 (C
, Object_List_File_Supported
, "__gnat_objlist_file_supported");
168 -- Predicate indicating whether the linker has an option whereby the
169 -- names of object files can be passed to the linker in a file.
171 Object_List_File_Required
: Boolean := False;
172 -- Set to True to force generation of a response file
174 function Base_Name
(File_Name
: in String) return String;
175 -- Return just the file name part without the extension (if present)
177 procedure Delete
(Name
: in String);
178 -- Wrapper to unlink as status is ignored by this application
180 procedure Error_Msg
(Message
: in String);
181 -- Output the error or warning Message
183 procedure Exit_With_Error
(Error
: in String);
184 -- Output Error and exit program with a fatal condition
186 procedure Process_Args
;
187 -- Go through all the arguments and build option tables
189 procedure Process_Binder_File
(Name
: in String);
190 -- Reads the binder file and extracts linker arguments
192 procedure Write_Header
;
193 -- Show user the program name, version and copyright
195 procedure Write_Usage
;
196 -- Show user the program options
202 function Base_Name
(File_Name
: in String) return String is
207 Findex1
:= File_Name
'First;
209 -- The file might be specified by a full path name. However,
210 -- we want the path to be stripped away.
212 for J
in reverse File_Name
'Range loop
213 if Is_Directory_Separator
(File_Name
(J
)) then
219 Findex2
:= File_Name
'Last;
220 while Findex2
> Findex1
221 and then File_Name
(Findex2
) /= '.'
223 Findex2
:= Findex2
- 1;
226 if Findex2
= Findex1
then
227 Findex2
:= File_Name
'Last + 1;
230 return File_Name
(Findex1
.. Findex2
- 1);
237 procedure Delete
(Name
: in String) is
239 pragma Unreferenced
(Status
);
241 Status
:= unlink
(Name
'Address);
242 -- Is it really right to ignore an error here ???
249 procedure Error_Msg
(Message
: in String) is
251 Write_Str
(Base_Name
(Command_Name
));
257 ---------------------
258 -- Exit_With_Error --
259 ---------------------
261 procedure Exit_With_Error
(Error
: in String) is
264 Exit_Program
(E_Fatal
);
271 procedure Process_Args
is
273 Skip_Next
: Boolean := False;
274 -- Set to true if the next argument is to be added into the list of
275 -- linker's argument without parsing it.
278 -- Loop through arguments of gnatlink command
282 exit when Next_Arg
> Argument_Count
;
284 Process_One_Arg
: declare
285 Arg
: constant String := Argument
(Next_Arg
);
288 -- Case of argument which is a switch
290 -- We definitely need section by section comments here ???
294 -- This argument must not be parsed, just add it to the
295 -- list of linker's options.
299 Linker_Options
.Increment_Last
;
300 Linker_Options
.Table
(Linker_Options
.Last
) :=
303 elsif Arg'Length /= 0 and then Arg (1) = '-' then
305 and then Arg (2 .. 5) = "gnat"
308 ("invalid switch: """ & Arg & """ (gnat not needed here)");
311 if Arg = "-Xlinker" then
313 -- Next argument should be sent directly to the linker.
314 -- We do not want to parse it here.
318 Linker_Options.Increment_Last;
319 Linker_Options.Table (Linker_Options.Last) :=
323 and then (Arg
'Length < 5 or else Arg
(2 .. 5) /= "gnat")
325 Debug_Flag_Present
:= True;
327 Linker_Options
.Increment_Last
;
328 Linker_Options
.Table
(Linker_Options
.Last
) :=
331 Binder_Options.Increment_Last;
332 Binder_Options.Table (Binder_Options.Last) :=
333 Linker_Options.Table (Linker_Options.Last);
335 elsif Arg'Length >= 3 and then Arg (2) = 'M
' then
337 Switches : String_List_Access;
339 Convert (Map_File, Arg (3 .. Arg'Last), Switches);
341 if Switches /= null then
342 for J in Switches'Range loop
343 Linker_Options.Increment_Last;
344 Linker_Options.Table (Linker_Options.Last) :=
350 elsif Arg'Length = 2 then
353 Ada_Bind_File := True;
354 Begin_Info := "-- BEGIN Object file/option list";
355 End_Info := "-- END Object file/option list ";
358 Linker_Options.Increment_Last;
359 Linker_Options.Table (Linker_Options.Last) :=
362 Binder_Options
.Increment_Last
;
363 Binder_Options
.Table
(Binder_Options
.Last
) :=
364 Linker_Options
.Table
(Linker_Options
.Last
);
366 Next_Arg
:= Next_Arg
+ 1;
368 if Next_Arg
> Argument_Count
then
369 Exit_With_Error
("Missing argument for -b");
372 Get_Machine_Name
: declare
373 Name_Arg
: constant String_Access
:=
374 new String'(Argument (Next_Arg));
377 Linker_Options.Increment_Last;
378 Linker_Options.Table (Linker_Options.Last) :=
381 Binder_Options.Increment_Last;
382 Binder_Options.Table (Binder_Options.Last) :=
385 end Get_Machine_Name;
388 Ada_Bind_File := False;
389 Begin_Info := "/* BEGIN Object file/option list";
390 End_Info := " END Object file/option list */";
393 if Object_List_File_Supported then
394 Object_List_File_Required := True;
397 ("Object list file not supported on this target");
401 Create_Map_File := True;
404 Compile_Bind_File := False;
407 Linker_Options.Increment_Last;
408 Linker_Options.Table (Linker_Options.Last) :=
411 Next_Arg
:= Next_Arg
+ 1;
413 if Next_Arg
> Argument_Count
then
414 Exit_With_Error
("Missing argument for -o");
417 Output_File_Name
:= new String'(Argument (Next_Arg));
419 Linker_Options.Increment_Last;
420 Linker_Options.Table (Linker_Options.Last) :=
424 Opt.Run_Path_Option := False;
428 -- Support "double" verbose mode. Second -v
429 -- gets sent to the linker and binder phases.
432 Very_Verbose_Mode := True;
434 Linker_Options.Increment_Last;
435 Linker_Options.Table (Linker_Options.Last) :=
438 Binder_Options
.Increment_Last
;
439 Binder_Options
.Table
(Binder_Options
.Last
) :=
440 Linker_Options
.Table
(Linker_Options
.Last
);
443 Verbose_Mode
:= True;
448 Linker_Options
.Increment_Last
;
449 Linker_Options
.Table
(Linker_Options
.Last
) :=
454 elsif Arg (2) = 'B
' then
455 Linker_Options.Increment_Last;
456 Linker_Options.Table (Linker_Options.Last) :=
459 Binder_Options
.Increment_Last
;
460 Binder_Options
.Table
(Binder_Options
.Last
) :=
461 Linker_Options
.Table
(Linker_Options
.Last
);
463 elsif Arg
'Length >= 7 and then Arg
(1 .. 7) = "--LINK=" then
465 if Arg
'Length = 7 then
466 Exit_With_Error
("Missing argument for --LINK=");
470 GNAT
.OS_Lib
.Locate_Exec_On_Path
(Arg
(8 .. Arg
'Last));
472 if Linker_Path
= null then
474 ("Could not locate linker: " & Arg
(8 .. Arg
'Last));
477 elsif Arg
'Length > 6 and then Arg
(1 .. 6) = "--GCC=" then
479 Program_Args
: constant Argument_List_Access
:=
480 Argument_String_To_List
481 (Arg
(7 .. Arg
'Last));
484 Gcc
:= new String'(Program_Args.all (1).all);
485 Standard_Gcc := False;
487 -- Set appropriate flags for switches passed
489 for J in 2 .. Program_Args.all'Last loop
491 Arg : constant String := Program_Args.all (J).all;
492 AF : constant Integer := Arg'First;
495 if Arg'Length /= 0 and then Arg (AF) = '-' then
496 if Arg (AF + 1) = 'g
'
497 and then (Arg'Length = 2
498 or else Arg (AF + 2) in '0' .. '3'
499 or else Arg (AF + 2 .. Arg'Last) = "coff")
501 Debug_Flag_Present := True;
505 -- Pass to gcc for compiling binder generated file
506 -- No use passing libraries, it will just generate
509 if not (Arg (AF .. AF + 1) = "-l"
510 or else Arg (AF .. AF + 1) = "-L")
512 Binder_Options.Increment_Last;
513 Binder_Options.Table (Binder_Options.Last) :=
517 -- Pass to gcc for linking program
519 Gcc_Linker_Options
.Increment_Last
;
520 Gcc_Linker_Options
.Table
521 (Gcc_Linker_Options
.Last
) := new String'(Arg);
526 -- Send all multi-character switches not recognized as
527 -- a special case by gnatlink to the linker/loader stage.
530 Linker_Options.Increment_Last;
531 Linker_Options.Table (Linker_Options.Last) :=
535 -- Here if argument is a file name rather than a switch
538 -- If explicit ali file, capture it
541 and then Arg
(Arg
'Last - 3 .. Arg
'Last) = ".ali"
543 if Ali_File_Name
= null then
544 Ali_File_Name
:= new String'(Arg);
546 Exit_With_Error ("cannot handle more than one ALI file");
549 -- If object file, record object file
551 elsif Arg'Length > Get_Object_Suffix.all'Length
553 (Arg'Last - Get_Object_Suffix.all'Length + 1 .. Arg'Last)
554 = Get_Object_Suffix.all
556 Linker_Objects.Increment_Last;
557 Linker_Objects.Table (Linker_Objects.Last) :=
560 -- If corresponding ali file exists, capture it
562 elsif Ali_File_Name
= null
563 and then Is_Regular_File
(Arg
& ".ali")
565 Ali_File_Name
:= new String'(Arg & ".ali");
567 -- Otherwise assume this is a linker options entry, but
568 -- see below for interesting adjustment to this assumption.
571 Linker_Options.Increment_Last;
572 Linker_Options.Table (Linker_Options.Last) :=
578 Next_Arg
:= Next_Arg
+ 1;
581 -- If Ada bind file, then compile it with warnings suppressed, because
582 -- otherwise the with of the main program may cause junk warnings.
584 if Ada_Bind_File
then
585 Binder_Options
.Increment_Last
;
586 Binder_Options
.Table
(Binder_Options
.Last
) := new String'("-gnatws");
589 -- If we did not get an ali file at all, and we had at least one
590 -- linker option, then assume that was the intended ali file after
591 -- all, so that we get a nicer message later on.
593 if Ali_File_Name = null
594 and then Linker_Options.Last >= Linker_Options.First
597 new String'(Linker_Options
.Table
(Linker_Options
.First
).all &
602 -------------------------
603 -- Process_Binder_File --
604 -------------------------
606 procedure Process_Binder_File
(Name
: in String) is
608 -- Binder file's descriptor
610 Link_Bytes
: Integer := 0;
611 -- Projected number of bytes for the linker command line
614 pragma Import
(C
, Link_Max
, "__gnat_link_max");
615 -- Maximum number of bytes on the command line supported by the OS
616 -- linker. Passed this limit the response file mechanism must be used
619 Next_Line
: String (1 .. 1000);
620 -- Current line value
624 -- Current line slice (the slice does not contain line terminator)
627 -- Current line last character for shared libraries (without version)
629 Objs_Begin
: Integer := 0;
630 -- First object file index in Linker_Objects table
632 Objs_End
: Integer := 0;
633 -- Last object file index in Linker_Objects table
636 -- Used for various Interfaces.C_Streams calls
638 Closing_Status
: Boolean;
641 GNAT_Static
: Boolean := False;
642 -- Save state of -static option
644 GNAT_Shared
: Boolean := False;
645 -- Save state of -shared option
647 Xlinker_Was_Previous
: Boolean := False;
648 -- Indicate that "-Xlinker" was the option preceding the current
649 -- option. If True, then the current option is never suppressed.
653 -- These data items are used to store current binder file context.
654 -- The context is composed of the file descriptor position and the
655 -- current line together with the slice indexes (first and last
656 -- position) for this line. The rollback data are used by the
657 -- Store_File_Context and Rollback_File_Context routines below.
658 -- The file context mechanism interact only with the Get_Next_Line
659 -- call. For example:
661 -- Store_File_Context;
663 -- Rollback_File_Context;
666 -- Both Get_Next_Line calls above will read the exact same data from
667 -- the file. In other words, Next_Line, Nfirst and Nlast variables
668 -- will be set with the exact same values.
670 RB_File_Pos
: long
; -- File position
671 RB_Next_Line
: String (1 .. 1000); -- Current line content
672 RB_Nlast
: Integer; -- Slice last index
673 RB_Nfirst
: Integer; -- Slice first index
675 Run_Path_Option_Ptr
: Interfaces
.C
.Strings
.chars_ptr
;
676 pragma Import
(C
, Run_Path_Option_Ptr
, "__gnat_run_path_option");
677 -- Pointer to string representing the native linker option which
678 -- specifies the path where the dynamic loader should find shared
679 -- libraries. Equal to null string if this system doesn't support it.
681 Object_Library_Ext_Ptr
: Interfaces
.C
.Strings
.chars_ptr
;
683 (C
, Object_Library_Ext_Ptr
, "__gnat_object_library_extension");
684 -- Pointer to string specifying the default extension for
685 -- object libraries, e.g. Unix uses ".a", VMS uses ".olb".
687 Object_File_Option_Ptr
: Interfaces
.C
.Strings
.chars_ptr
;
688 pragma Import
(C
, Object_File_Option_Ptr
, "__gnat_object_file_option");
689 -- Pointer to a string representing the linker option which specifies
690 -- the response file.
692 Using_GNU_Linker
: Boolean;
693 pragma Import
(C
, Using_GNU_Linker
, "__gnat_using_gnu_linker");
694 -- Predicate indicating whether this target uses the GNU linker. In
695 -- this case we must output a GNU linker compatible response file.
697 Opening
: aliased constant String := """";
698 Closing
: aliased constant String := '"' & ASCII
.LF
;
699 -- Needed to quote object paths in object list files when GNU linker
702 procedure Get_Next_Line
;
703 -- Read the next line from the binder file without the line
706 function Index
(S
, Pattern
: String) return Natural;
707 -- Return the last occurrence of Pattern in S, or 0 if none
709 function Is_Option_Present
(Opt
: in String) return Boolean;
710 -- Return true if the option Opt is already present in
711 -- Linker_Options table.
713 procedure Store_File_Context
;
714 -- Store current file context, Fd position and current line data.
715 -- The file context is stored into the rollback data above (RB_*).
716 -- Store_File_Context can be called at any time, only the last call
717 -- will be used (i.e. this routine overwrites the file context).
719 procedure Rollback_File_Context
;
720 -- Restore file context from rollback data. This routine must be called
721 -- after Store_File_Context. The binder file context will be restored
722 -- with the data stored by the last Store_File_Context call.
728 procedure Get_Next_Line
is
732 Fchars
:= fgets
(Next_Line
'Address, Next_Line
'Length, Fd
);
734 if Fchars
= System
.Null_Address
then
735 Exit_With_Error
("Error reading binder output");
738 Nfirst
:= Next_Line
'First;
740 while Nlast
<= Next_Line
'Last
741 and then Next_Line
(Nlast
) /= ASCII
.LF
742 and then Next_Line
(Nlast
) /= ASCII
.CR
754 function Index
(S
, Pattern
: String) return Natural is
755 Len
: constant Natural := Pattern
'Length;
758 for J
in reverse S
'First .. S
'Last - Len
+ 1 loop
759 if Pattern
= S
(J
.. J
+ Len
- 1) then
767 -----------------------
768 -- Is_Option_Present --
769 -----------------------
771 function Is_Option_Present
(Opt
: in String) return Boolean is
773 for I
in 1 .. Linker_Options
.Last
loop
775 if Linker_Options
.Table
(I
).all = Opt
then
782 end Is_Option_Present
;
784 ---------------------------
785 -- Rollback_File_Context --
786 ---------------------------
788 procedure Rollback_File_Context
is
790 Next_Line
:= RB_Next_Line
;
793 Status
:= fseek
(Fd
, RB_File_Pos
, Interfaces
.C_Streams
.SEEK_SET
);
796 Exit_With_Error
("Error setting file position");
798 end Rollback_File_Context
;
800 ------------------------
801 -- Store_File_Context --
802 ------------------------
804 procedure Store_File_Context
is
805 use type System
.CRTL
.long
;
807 RB_Next_Line
:= Next_Line
;
810 RB_File_Pos
:= ftell
(Fd
);
812 if RB_File_Pos
= -1 then
813 Exit_With_Error
("Error getting file position");
815 end Store_File_Context
;
817 -- Start of processing for Process_Binder_File
820 Fd
:= fopen
(Name
'Address, Read_Mode
'Address);
822 if Fd
= NULL_Stream
then
823 Exit_With_Error
("Failed to open binder output");
826 -- Skip up to the Begin Info line
830 exit when Next_Line
(Nfirst
.. Nlast
) = Begin_Info
;
836 -- Go to end when end line is reached (this will happen in
837 -- High_Integrity_Mode where no -L switches are generated)
839 exit when Next_Line
(Nfirst
.. Nlast
) = End_Info
;
841 if Ada_Bind_File
then
842 Next_Line
(Nfirst
.. Nlast
- 8) :=
843 Next_Line
(Nfirst
+ 8 .. Nlast
);
847 -- Go to next section when switches are reached
849 exit when Next_Line
(1) = '-';
851 -- Otherwise we have another object file to collect
853 Linker_Objects
.Increment_Last
;
855 -- Mark the positions of first and last object files in case
856 -- they need to be placed with a named file on systems having
857 -- linker line limitations.
859 if Objs_Begin
= 0 then
860 Objs_Begin
:= Linker_Objects
.Last
;
863 Linker_Objects
.Table
(Linker_Objects
.Last
) :=
864 new String'(Next_Line (Nfirst .. Nlast));
866 Link_Bytes := Link_Bytes + Nlast - Nfirst + 2;
867 -- Nlast - Nfirst + 1, for the size, plus one for the space between
871 Objs_End := Linker_Objects.Last;
873 -- Let's continue to compute the Link_Bytes, the linker options are
874 -- part of command line length.
878 while Next_Line (Nfirst .. Nlast) /= End_Info loop
879 Link_Bytes := Link_Bytes + Nlast - Nfirst + 2;
884 Rollback_File_Context;
886 -- On systems that have limitations on handling very long linker lines
887 -- we make use of the system linker option which takes a list of object
888 -- file names from a file instead of the command line itself. What we do
889 -- is to replace the list of object files by the special linker option
890 -- which then reads the object file list from a file instead. The option
891 -- to read from a file instead of the command line is only triggered if
892 -- a conservative threshold is passed.
894 if Object_List_File_Required
895 or else (Object_List_File_Supported
896 and then Link_Bytes > Link_Max)
898 -- Create a temporary file containing the Ada user object files
899 -- needed by the link. This list is taken from the bind file
900 -- and is output one object per line for maximal compatibility with
901 -- linkers supporting this option.
903 Create_Temp_File (Tname_FD, Tname);
905 -- ??? File descriptor should be checked to not be Invalid_FD.
906 -- ??? Status of Write and Close operations should be checked, and
907 -- failure should occur if a status is wrong.
909 -- If target is using the GNU linker we must add a special header
910 -- and footer in the response file.
911 -- The syntax is : INPUT (object1.o object2.o ... )
912 -- Because the GNU linker does not like name with characters such
913 -- as '!', we must put the object paths between double quotes.
915 if Using_GNU_Linker then
917 GNU_Header : aliased constant String := "INPUT (";
920 Status := Write (Tname_FD, GNU_Header'Address,
925 for J in Objs_Begin .. Objs_End loop
927 -- Opening quote for GNU linker
929 if Using_GNU_Linker then
930 Status := Write (Tname_FD, Opening'Address, 1);
933 Status := Write (Tname_FD, Linker_Objects.Table (J).all'Address,
934 Linker_Objects.Table (J).all'Length);
936 -- Closing quote for GNU linker
938 if Using_GNU_Linker then
939 Status := Write (Tname_FD, Closing'Address, 2);
942 Status := Write (Tname_FD, ASCII.LF'Address, 1);
945 Response_File_Objects.Increment_Last;
946 Response_File_Objects.Table (Response_File_Objects.Last) :=
947 Linker_Objects.Table (J);
950 -- Handle GNU linker response file footer
952 if Using_GNU_Linker then
954 GNU_Footer : aliased constant String := ")";
957 Status := Write (Tname_FD, GNU_Footer'Address,
962 Close (Tname_FD, Closing_Status);
964 -- Add the special objects list file option together with the name
965 -- of the temporary file (removing the null character) to the objects
968 Linker_Objects.Table (Objs_Begin) :=
969 new String'(Value
(Object_File_Option_Ptr
) &
970 Tname
(Tname
'First .. Tname
'Last - 1));
972 -- The slots containing these object file names are then removed
973 -- from the objects table so they do not appear in the link. They
974 -- are removed by moving up the linker options and non-Ada object
975 -- files appearing after the Ada object list in the table.
980 N
:= Objs_End
- Objs_Begin
+ 1;
982 for J
in Objs_End
+ 1 .. Linker_Objects
.Last
loop
983 Linker_Objects
.Table
(J
- N
+ 1) := Linker_Objects
.Table
(J
);
986 Linker_Objects
.Set_Last
(Linker_Objects
.Last
- N
+ 1);
990 -- Process switches and options
992 if Next_Line
(Nfirst
.. Nlast
) /= End_Info
then
993 Xlinker_Was_Previous
:= False;
996 if Xlinker_Was_Previous
997 or else Next_Line
(Nfirst
.. Nlast
) = "-Xlinker"
999 Linker_Options
.Increment_Last
;
1000 Linker_Options
.Table
(Linker_Options
.Last
) :=
1001 new String'(Next_Line (Nfirst .. Nlast));
1003 elsif Next_Line (Nfirst .. Nlast) = "-static" then
1004 GNAT_Static := True;
1006 elsif Next_Line (Nfirst .. Nlast) = "-shared" then
1007 GNAT_Shared := True;
1009 -- Add binder options only if not already set on the command
1010 -- line. This rule is a way to control the linker options order.
1012 -- The following test needs comments, why is it VMS specific.
1013 -- The above comment looks out of date ???
1015 elsif not (Hostparm.OpenVMS
1017 Is_Option_Present (Next_Line (Nfirst .. Nlast)))
1019 if Nlast > Nfirst + 2 and then
1020 Next_Line (Nfirst .. Nfirst + 1) = "-L"
1022 -- Construct a library search path for use later
1023 -- to locate static gnatlib libraries.
1025 if Libpath.Last > 1 then
1026 Libpath.Increment_Last;
1027 Libpath.Table (Libpath.Last) := Path_Separator;
1030 for I in Nfirst + 2 .. Nlast loop
1031 Libpath.Increment_Last;
1032 Libpath.Table (Libpath.Last) := Next_Line (I);
1035 Linker_Options.Increment_Last;
1037 Linker_Options.Table (Linker_Options.Last) :=
1038 new String'(Next_Line
(Nfirst
.. Nlast
));
1040 elsif Next_Line
(Nfirst
.. Nlast
) = "-ldecgnat"
1041 or else Next_Line
(Nfirst
.. Nlast
) = "-lgnarl"
1042 or else Next_Line
(Nfirst
.. Nlast
) = "-lgnat"
1044 (1 .. Natural'Min (Nlast
, 8 + Library_Version
'Length)) =
1045 Shared_Lib
("gnarl")
1047 (1 .. Natural'Min (Nlast
, 7 + Library_Version
'Length)) =
1050 -- If it is a shared library, remove the library version.
1051 -- We will be looking for the static version of the library
1052 -- as it is in the same directory as the shared version.
1054 if Next_Line
(Nlast
- Library_Version
'Length + 1 .. Nlast
)
1057 -- Set Last to point to last character before the
1060 Last
:= Nlast
- Library_Version
'Length - 1;
1065 -- Given a Gnat standard library, search the
1066 -- library path to find the library location
1069 File_Path
: String_Access
;
1071 Object_Lib_Extension
: constant String :=
1072 Value
(Object_Library_Ext_Ptr
);
1074 File_Name
: constant String := "lib" &
1075 Next_Line
(Nfirst
+ 2 .. Last
) &
1076 Object_Lib_Extension
;
1078 Run_Path_Opt
: constant String :=
1079 Value
(Run_Path_Option_Ptr
);
1081 GCC_Index
: Natural;
1082 Run_Path_Opt_Index
: Natural := 0;
1086 Locate_Regular_File
(File_Name
,
1087 String (Libpath
.Table
(1 .. Libpath
.Last
)));
1089 if File_Path
/= null then
1092 -- If static gnatlib found, explicitly
1093 -- specify to overcome possible linker
1094 -- default usage of shared version.
1096 Linker_Options
.Increment_Last
;
1098 Linker_Options
.Table
(Linker_Options
.Last
) :=
1099 new String'(File_Path.all);
1101 elsif GNAT_Shared then
1102 if Opt.Run_Path_Option then
1103 -- If shared gnatlib desired, add the
1104 -- appropriate system specific switch
1105 -- so that it can be located at runtime.
1107 if Run_Path_Opt'Length /= 0 then
1108 -- Output the system specific linker command
1109 -- that allows the image activator to find
1110 -- the shared library at runtime.
1111 -- Also add path to find libgcc_s.so, if
1114 -- To find the location of the shared version
1115 -- of libgcc, we look for "gcc-lib" in the
1116 -- path of the library. However, this
1117 -- subdirectory is no longer present in
1118 -- in recent version of GCC. So, we look for
1119 -- the last subdirectory "lib" in the path.
1122 Index (File_Path.all, "gcc-lib");
1124 if GCC_Index /= 0 then
1125 -- The shared version of libgcc is
1126 -- located in the parent directory.
1128 GCC_Index := GCC_Index - 1;
1132 Index (File_Path.all, "/lib/");
1134 if GCC_Index = 0 then
1136 Index (File_Path.all,
1137 Directory_Separator &
1139 Directory_Separator);
1142 -- We have found a subdirectory "lib",
1143 -- this is where the shared version of
1144 -- libgcc should be located.
1146 if GCC_Index /= 0 then
1147 GCC_Index := GCC_Index + 3;
1151 -- Look for an eventual run_path_option in
1152 -- the linker switches.
1154 for J in reverse 1 .. Linker_Options.Last loop
1155 if Linker_Options.Table (J) /= null
1157 Linker_Options.Table (J)'Length
1158 > Run_Path_Opt'Length
1160 Linker_Options.Table (J)
1161 (1 .. Run_Path_Opt'Length) =
1164 -- We have found a already specified
1165 -- run_path_option: we will add to this
1166 -- switch, because only one
1167 -- run_path_option should be specified.
1169 Run_Path_Opt_Index := J;
1174 -- If there is no run_path_option, we need
1177 if Run_Path_Opt_Index = 0 then
1178 Linker_Options.Increment_Last;
1181 if GCC_Index = 0 then
1182 if Run_Path_Opt_Index = 0 then
1183 Linker_Options.Table
1184 (Linker_Options.Last) :=
1188 (1 .. File_Path
'Length
1189 - File_Name
'Length));
1192 Linker_Options
.Table
1193 (Run_Path_Opt_Index
) :=
1195 (Linker_Options.Table
1196 (Run_Path_Opt_Index).all
1199 (1 .. File_Path'Length
1200 - File_Name'Length));
1204 if Run_Path_Opt_Index = 0 then
1205 Linker_Options.Table
1206 (Linker_Options.Last) :=
1207 new String'(Run_Path_Opt
1209 (1 .. File_Path
'Length
1212 & File_Path
(1 .. GCC_Index
));
1215 Linker_Options
.Table
1216 (Run_Path_Opt_Index
) :=
1218 (Linker_Options.Table
1219 (Run_Path_Opt_Index).all
1222 (1 .. File_Path'Length
1225 & File_Path (1 .. GCC_Index));
1231 -- Then we add the appropriate -l switch
1233 Linker_Options.Increment_Last;
1234 Linker_Options.Table (Linker_Options.Last) :=
1235 new String'(Next_Line
(Nfirst
.. Nlast
));
1239 -- If gnatlib library not found, then
1240 -- add it anyway in case some other
1241 -- mechanimsm may find it.
1243 Linker_Options
.Increment_Last
;
1244 Linker_Options
.Table
(Linker_Options
.Last
) :=
1245 new String'(Next_Line (Nfirst .. Nlast));
1249 Linker_Options.Increment_Last;
1250 Linker_Options.Table (Linker_Options.Last) :=
1251 new String'(Next_Line
(Nfirst
.. Nlast
));
1255 Xlinker_Was_Previous
:= Next_Line
(Nfirst
.. Nlast
) = "-Xlinker";
1258 exit when Next_Line
(Nfirst
.. Nlast
) = End_Info
;
1260 if Ada_Bind_File
then
1261 Next_Line
(Nfirst
.. Nlast
- 8) :=
1262 Next_Line
(Nfirst
+ 8 .. Nlast
);
1268 Status
:= fclose
(Fd
);
1269 end Process_Binder_File
;
1275 procedure Write_Header
is
1277 if Verbose_Mode
then
1279 Write_Str
("GNATLINK ");
1280 Write_Str
(Gnat_Version_String
);
1282 Write_Str
("Copyright 1995-2005 Free Software Foundation, Inc");
1291 procedure Write_Usage
is
1295 Write_Str
("Usage: ");
1296 Write_Str
(Base_Name
(Command_Name
));
1297 Write_Str
(" switches mainprog.ali [non-Ada-objects] [linker-options]");
1300 Write_Line
(" mainprog.ali the ALI file of the main program");
1302 Write_Line
(" -A Binder generated source file is in Ada (default)");
1303 Write_Line
(" -C Binder generated source file is in C");
1304 Write_Line
(" -f force object file list to be generated");
1305 Write_Line
(" -g Compile binder source file with debug information");
1306 Write_Line
(" -n Do not compile the binder source file");
1307 Write_Line
(" -R Do not use a run_path_option");
1308 Write_Line
(" -v verbose mode");
1309 Write_Line
(" -v -v very verbose mode");
1311 Write_Line
(" -o nam Use 'nam' as the name of the executable");
1312 Write_Line
(" -b target Compile the binder source to run on target");
1313 Write_Line
(" -Bdir Load compiler executables from dir");
1315 if Is_Supported
(Map_File
) then
1316 Write_Line
(" -Mmap Create map file map");
1317 Write_Line
(" -M Create map file mainprog.map");
1320 Write_Line
(" --GCC=comp Use comp as the compiler");
1321 Write_Line
(" --LINK=nam Use 'nam' for the linking rather than 'gcc'");
1323 Write_Line
(" [non-Ada-objects] list of non Ada object files");
1324 Write_Line
(" [linker-options] other options for the linker");
1327 -- Start of processing for Gnatlink
1330 -- Add the directory where gnatlink is invoked in front of the
1331 -- path, if gnatlink is invoked with directory information.
1332 -- Only do this if the platform is not VMS, where the notion of path
1333 -- does not really exist.
1335 if not Hostparm
.OpenVMS
then
1337 Command
: constant String := Command_Name
;
1340 for Index
in reverse Command
'Range loop
1341 if Command
(Index
) = Directory_Separator
then
1343 Absolute_Dir
: constant String :=
1345 (Command
(Command
'First .. Index
));
1347 PATH
: constant String :=
1350 Getenv
("PATH").all;
1353 Setenv
("PATH", PATH
);
1364 if Argument_Count
= 0
1366 (Verbose_Mode
and then Argument_Count
= 1)
1369 Exit_Program
(E_Fatal
);
1372 if Hostparm
.Java_VM
then
1373 Gcc
:= new String'("jgnat");
1374 Ada_Bind_File := True;
1375 Begin_Info := "-- BEGIN Object file/option list";
1376 End_Info := "-- END Object file/option list ";
1379 -- We always compile with -c
1381 Binder_Options_From_ALI.Increment_Last;
1382 Binder_Options_From_ALI.Table (Binder_Options_From_ALI.Last) :=
1385 -- If the main program is in Ada it is compiled with the following
1388 -- -gnatA stops reading gnat.adc, since we don't know what
1389 -- pagmas would work, and we do not need it anyway.
1391 -- -gnatWb allows brackets coding for wide characters
1393 -- -gnatiw allows wide characters in identifiers. This is needed
1394 -- because bindgen uses brackets encoding for all upper
1395 -- half and wide characters in identifier names.
1397 if Ada_Bind_File
then
1398 Binder_Options_From_ALI
.Increment_Last
;
1399 Binder_Options_From_ALI
.Table
(Binder_Options_From_ALI
.Last
) :=
1400 new String'("-gnatA");
1401 Binder_Options_From_ALI.Increment_Last;
1402 Binder_Options_From_ALI.Table (Binder_Options_From_ALI.Last) :=
1403 new String'("-gnatWb");
1404 Binder_Options_From_ALI
.Increment_Last
;
1405 Binder_Options_From_ALI
.Table
(Binder_Options_From_ALI
.Last
) :=
1406 new String'("-gnatiw");
1409 -- Locate all the necessary programs and verify required files are present
1411 Gcc_Path := GNAT.OS_Lib.Locate_Exec_On_Path (Gcc.all);
1413 if Gcc_Path = null then
1414 Exit_With_Error ("Couldn't locate " & Gcc.all);
1417 if Linker_Path = null then
1418 Linker_Path := Gcc_Path;
1421 if Ali_File_Name = null then
1422 Exit_With_Error ("no ali file given for link");
1425 if not Is_Regular_File (Ali_File_Name.all) then
1426 Exit_With_Error (Ali_File_Name.all & " not found");
1428 -- Read the ALI file of the main subprogram if the binder generated
1429 -- file needs to be compiled and no --GCC= switch has been specified.
1430 -- Fetch the back end switches from this ALI file and use these switches
1431 -- to compile the binder generated file
1433 elsif Compile_Bind_File and then Standard_Gcc then
1434 -- Do some initializations
1438 Name_Len := Ali_File_Name'Length;
1439 Name_Buffer (1 .. Name_Len) := Ali_File_Name.all;
1443 F : constant File_Name_Type := Name_Find;
1444 T : Text_Buffer_Ptr;
1448 -- Osint.Add_Default_Search_Dirs;
1449 -- Load the ALI file
1451 T := Read_Library_Info (F, True);
1453 -- Read it. Note that we ignore errors, since we only want very
1454 -- limited information from the ali file, and likely a slightly
1455 -- wrong version will be just fine, though in normal operation
1456 -- we don't expect this to happen!
1463 Ignore_Errors => True);
1465 if A /= No_ALI_Id then
1467 Index in Units.Table (ALIs.Table (A).First_Unit).First_Arg ..
1468 Units.Table (ALIs.Table (A).First_Unit).Last_Arg
1470 -- Do not compile with the front end switches except for --RTS
1471 -- if the binder generated file is in Ada.
1474 Arg : String_Ptr renames Args.Table (Index);
1476 if not Is_Front_End_Switch (Arg.all)
1479 and then Arg'Length > 5
1480 and then Arg (Arg'First + 2 .. Arg'First + 5) = "RTS=")
1482 Binder_Options_From_ALI.Increment_Last;
1483 Binder_Options_From_ALI.Table
1484 (Binder_Options_From_ALI.Last) := String_Access (Arg);
1494 -- If no output name specified, then use the base name of .ali file name
1496 if Output_File_Name = null then
1499 new String'(Base_Name
(Ali_File_Name
.all)
1500 & Get_Debuggable_Suffix
.all);
1502 Linker_Options
.Increment_Last
;
1503 Linker_Options
.Table
(Linker_Options
.Last
) :=
1506 Linker_Options.Increment_Last;
1507 Linker_Options.Table (Linker_Options.Last) :=
1508 new String'(Output_File_Name
.all);
1512 -- Warn if main program is called "test", as that may be a built-in command
1513 -- on Unix. On non-Unix systems executables have a suffix, so the warning
1514 -- will not appear. However, do not warn in the case of a cross compiler.
1516 -- Assume this is a cross tool if the executable name is not gnatlink
1518 if Base_Name
(Command_Name
) = "gnatlink"
1519 and then Output_File_Name
.all = "test"
1521 Error_Msg
("warning: executable name """ & Output_File_Name
.all
1522 & """ may conflict with shell command");
1525 -- If -M switch was specified, add the switches to create the map file
1527 if Create_Map_File
then
1529 Map_Name
: constant String := Base_Name
(Ali_File_Name
.all) & ".map";
1530 Switches
: String_List_Access
;
1533 Convert
(Map_File
, Map_Name
, Switches
);
1535 if Switches
/= null then
1536 for J
in Switches
'Range loop
1537 Linker_Options
.Increment_Last
;
1538 Linker_Options
.Table
(Linker_Options
.Last
) := Switches
(J
);
1544 -- Perform consistency checks
1546 -- Transform the .ali file name into the binder output file name
1548 Make_Binder_File_Names
: declare
1549 Fname
: constant String := Base_Name
(Ali_File_Name
.all);
1550 Fname_Len
: Integer := Fname
'Length;
1552 function Get_Maximum_File_Name_Length
return Integer;
1553 pragma Import
(C
, Get_Maximum_File_Name_Length
,
1554 "__gnat_get_maximum_file_name_length");
1556 Maximum_File_Name_Length
: constant Integer :=
1557 Get_Maximum_File_Name_Length
;
1559 Second_Char
: Character;
1560 -- Second character of name of files
1563 -- Set proper second character of file name
1565 if not Ada_Bind_File
then
1568 elsif Hostparm
.OpenVMS
then
1575 -- If the length of the binder file becomes too long due to
1576 -- the addition of the "b?" prefix, then truncate it.
1578 if Maximum_File_Name_Length
> 0 then
1579 while Fname_Len
> Maximum_File_Name_Length
- 2 loop
1580 Fname_Len
:= Fname_Len
- 1;
1584 if Ada_Bind_File
then
1585 Binder_Spec_Src_File
:=
1588 & Fname (Fname'First .. Fname'First + Fname_Len - 1)
1590 Binder_Body_Src_File :=
1593 & Fname
(Fname
'First .. Fname
'First + Fname_Len
- 1)
1598 & Fname (Fname'First .. Fname'First + Fname_Len - 1)
1602 Binder_Body_Src_File :=
1605 & Fname
(Fname
'First .. Fname
'First + Fname_Len
- 1)
1612 & Fname (Fname'First .. Fname'First + Fname_Len - 1)
1613 & Get_Object_Suffix.all);
1615 if Fname_Len /= Fname'Length then
1616 Binder_Options.Increment_Last;
1617 Binder_Options.Table (Binder_Options.Last) := new String'("-o");
1618 Binder_Options
.Increment_Last
;
1619 Binder_Options
.Table
(Binder_Options
.Last
) := Binder_Obj_File
;
1622 end Make_Binder_File_Names
;
1624 Process_Binder_File
(Binder_Body_Src_File
.all & ASCII
.NUL
);
1626 -- Compile the binder file. This is fast, so we always do it, unless
1627 -- specifically told not to by the -n switch
1629 if Compile_Bind_File
then
1632 Args
: Argument_List
1633 (1 .. Binder_Options_From_ALI
.Last
+ Binder_Options
.Last
+ 1);
1636 for J
in 1 .. Binder_Options_From_ALI
.Last
loop
1637 Args
(J
) := Binder_Options_From_ALI
.Table
(J
);
1640 for J
in 1 .. Binder_Options
.Last
loop
1641 Args
(Binder_Options_From_ALI
.Last
+ J
) :=
1642 Binder_Options
.Table
(J
);
1645 Args
(Args
'Last) := Binder_Body_Src_File
;
1647 if Verbose_Mode
then
1648 Write_Str
(Base_Name
(Gcc_Path
.all));
1650 for J
in Args
'Range loop
1652 Write_Str
(Args
(J
).all);
1658 GNAT
.OS_Lib
.Spawn
(Gcc_Path
.all, Args
, Success
);
1661 Exit_Program
(E_Fatal
);
1666 -- Now, actually link the program
1668 -- Skip this step for now on the JVM since the Java interpreter will do
1669 -- the actual link at run time. We might consider packing all class files
1670 -- in a .zip file during this step.
1672 if not Hostparm
.Java_VM
then
1674 Num_Args
: Natural :=
1675 (Linker_Options
.Last
- Linker_Options
.First
+ 1) +
1676 (Gcc_Linker_Options
.Last
- Gcc_Linker_Options
.First
+ 1) +
1677 (Linker_Objects
.Last
- Linker_Objects
.First
+ 1);
1678 Stack_Op
: Boolean := False;
1679 IDENT_Op
: Boolean := False;
1682 -- Remove duplicate stack size setting from the Linker_Options
1683 -- table. The stack setting option "-Xlinker --stack=R,C" can be
1684 -- found in one line when set by a pragma Linker_Options or in two
1685 -- lines ("-Xlinker" then "--stack=R,C") when set on the command
1686 -- line. We also check for the "-Wl,--stack=R" style option.
1688 -- We must remove the second stack setting option instance
1689 -- because the one on the command line will always be the first
1690 -- one. And any subsequent stack setting option will overwrite the
1691 -- previous one. This is done especially for GNAT/NT where we set
1692 -- the stack size for tasking programs by a pragma in the NT
1693 -- specific tasking package System.Task_Primitives.Oparations.
1695 -- Note: This is not a FOR loop that runs from Linker_Options.First
1696 -- to Linker_Options.Last, since operations within the loop can
1697 -- modify the length of the table.
1699 Clean_Link_Option_Set
: declare
1700 J
: Natural := Linker_Options
.First
;
1703 while J
<= Linker_Options
.Last
loop
1705 if Linker_Options
.Table
(J
).all = "-Xlinker"
1706 and then J
< Linker_Options
.Last
1707 and then Linker_Options
.Table
(J
+ 1)'Length > 8
1708 and then Linker_Options
.Table
(J
+ 1) (1 .. 8) = "--stack="
1711 Linker_Options
.Table
(J
.. Linker_Options
.Last
- 2) :=
1712 Linker_Options
.Table
(J
+ 2 .. Linker_Options
.Last
);
1713 Linker_Options
.Decrement_Last
;
1714 Linker_Options
.Decrement_Last
;
1715 Num_Args
:= Num_Args
- 2;
1722 -- Here we just check for a canonical form that matches the
1723 -- pragma Linker_Options set in the NT runtime.
1725 if (Linker_Options
.Table
(J
)'Length > 17
1726 and then Linker_Options
.Table
(J
) (1 .. 17)
1727 = "-Xlinker --stack=")
1729 (Linker_Options
.Table
(J
)'Length > 12
1730 and then Linker_Options
.Table
(J
) (1 .. 12)
1734 Linker_Options
.Table
(J
.. Linker_Options
.Last
- 1) :=
1735 Linker_Options
.Table
(J
+ 1 .. Linker_Options
.Last
);
1736 Linker_Options
.Decrement_Last
;
1737 Num_Args
:= Num_Args
- 1;
1744 -- Remove duplicate IDENTIFICATION directives (VMS)
1746 if Linker_Options
.Table
(J
)'Length > 27
1747 and then Linker_Options
.Table
(J
) (1 .. 28)
1748 = "--for-linker=IDENTIFICATION="
1751 Linker_Options
.Table
(J
.. Linker_Options
.Last
- 1) :=
1752 Linker_Options
.Table
(J
+ 1 .. Linker_Options
.Last
);
1753 Linker_Options
.Decrement_Last
;
1754 Num_Args
:= Num_Args
- 1;
1762 end Clean_Link_Option_Set
;
1764 -- Prepare arguments for call to linker
1766 Call_Linker
: declare
1768 Args
: Argument_List
(1 .. Num_Args
+ 1);
1769 Index
: Integer := Args
'First;
1772 Args
(Index
) := Binder_Obj_File
;
1774 -- Add the object files and any -largs libraries
1776 for J
in Linker_Objects
.First
.. Linker_Objects
.Last
loop
1778 Args
(Index
) := Linker_Objects
.Table
(J
);
1781 -- Add the linker options from the binder file
1783 for J
in Linker_Options
.First
.. Linker_Options
.Last
loop
1785 Args
(Index
) := Linker_Options
.Table
(J
);
1788 -- Finally add the libraries from the --GCC= switch
1790 for J
in Gcc_Linker_Options
.First
.. Gcc_Linker_Options
.Last
loop
1792 Args
(Index
) := Gcc_Linker_Options
.Table
(J
);
1795 if Verbose_Mode
then
1796 Write_Str
(Linker_Path
.all);
1798 for J
in Args
'Range loop
1800 Write_Str
(Args
(J
).all);
1805 -- If we are on very verbose mode (-v -v) and a response file
1806 -- is used we display its content.
1808 if Very_Verbose_Mode
and then Tname_FD
/= Invalid_FD
then
1810 Write_Str
("Response file (" &
1811 Tname
(Tname
'First .. Tname
'Last - 1) &
1816 Response_File_Objects
.First
..
1817 Response_File_Objects
.Last
1819 Write_Str
(Response_File_Objects
.Table
(J
).all);
1827 GNAT
.OS_Lib
.Spawn
(Linker_Path
.all, Args
, Success
);
1829 -- Delete the temporary file used in conjuction with linking if
1830 -- one was created. See Process_Bind_File for details.
1832 if Tname_FD
/= Invalid_FD
then
1837 Error_Msg
("cannot call " & Linker_Path
.all);
1838 Exit_Program
(E_Fatal
);
1844 -- Only keep the binder output file and it's associated object
1845 -- file if compiling with the -g option. These files are only
1846 -- useful if debugging.
1848 if not Debug_Flag_Present
then
1849 if Binder_Ali_File
/= null then
1850 Delete
(Binder_Ali_File
.all & ASCII
.NUL
);
1853 if Binder_Spec_Src_File
/= null then
1854 Delete
(Binder_Spec_Src_File
.all & ASCII
.NUL
);
1857 Delete
(Binder_Body_Src_File
.all & ASCII
.NUL
);
1859 if not Hostparm
.Java_VM
then
1860 Delete
(Binder_Obj_File
.all & ASCII
.NUL
);
1864 Exit_Program
(E_Success
);
1868 Write_Line
(Exception_Information
(X
));
1869 Exit_With_Error
("INTERNAL ERROR. Please report");