-- --
-- B o d y --
-- --
--- Copyright (C) 1996-2005 Free Software Foundation, Inc. --
+-- Copyright (C) 1996-2009, Free Software Foundation, Inc. --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
--- ware Foundation; either version 2, or (at your option) any later ver- --
+-- ware Foundation; either version 3, or (at your option) any later ver- --
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
-- for more details. You should have received a copy of the GNU General --
--- Public License distributed with GNAT; see file COPYING. If not, write --
--- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
--- Boston, MA 02110-1301, USA. --
+-- Public License distributed with GNAT; see file COPYING3. If not, go to --
+-- http://www.gnu.org/licenses for a complete copy of the license. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
with Ada.Command_Line; use Ada.Command_Line;
with Ada.Exceptions; use Ada.Exceptions;
-with GNAT.OS_Lib; use GNAT.OS_Lib;
+
+with System.OS_Lib; use System.OS_Lib;
+with System.CRTL;
+
with Interfaces.C_Streams; use Interfaces.C_Streams;
with Interfaces.C.Strings; use Interfaces.C.Strings;
-with System.CRTL;
procedure Gnatlink is
pragma Ident (Gnatvsn.Gnat_Static_Version_String);
+ Shared_Libgcc_String : constant String := "-shared-libgcc";
+ Shared_Libgcc : constant String_Access :=
+ new String'(Shared_Libgcc_String);
+ -- Used to invoke gcc when the binder is invoked with -shared
+
+ Static_Libgcc_String : constant String := "-static-libgcc";
+ Static_Libgcc : constant String_Access :=
+ new String'(Static_Libgcc_String);
+ -- Used to invoke gcc when shared libs are not used
+
package Gcc_Linker_Options is new Table.Table (
Table_Component_Type => String_Access,
Table_Index_Type => Integer,
Table_Index_Type => Integer,
Table_Low_Bound => 1,
Table_Initial => 4096,
- Table_Increment => 2,
+ Table_Increment => 100,
Table_Name => "Gnatlink.Libpath");
-- Comments needed ???
-- important because on the GNU linker command line the -L switch is not
-- used to look for objects files but -L switch is used to look for
-- objects listed in the response file. This is not a problem with the
- -- applications objects as they are specified with a fullname.
+ -- applications objects as they are specified with a full name.
package Response_File_Objects is new Table.Table (
Table_Component_Type => String_Access,
-- This table collects the arguments to be passed to compile the binder
-- generated file.
- Gcc : String_Access := Program_Name ("gcc");
+ Gcc : String_Access := Program_Name ("gcc", "gnatlink");
- Read_Mode : constant String := "r" & ASCII.Nul;
+ Read_Mode : constant String := "r" & ASCII.NUL;
Begin_Info : String := "-- BEGIN Object file/option list";
End_Info : String := "-- END Object file/option list ";
Gcc_Path : String_Access;
Linker_Path : String_Access;
-
Output_File_Name : String_Access;
Ali_File_Name : String_Access;
Binder_Spec_Src_File : String_Access;
-- Temporary file used by linker to pass list of object files on
-- certain systems with limitations on size of arguments.
+ Lname : String_Access := null;
+ -- File used by linker for CLI target, used to concatenate all .il files
+ -- when the command line passed to ilasm is too long
+
Debug_Flag_Present : Boolean := False;
Verbose_Mode : Boolean := False;
Very_Verbose_Mode : Boolean := False;
Ada_Bind_File : Boolean := True;
-- Set to True if bind file is generated in Ada
- Standard_Gcc : Boolean := True;
+ Standard_Gcc : Boolean := True;
Compile_Bind_File : Boolean := True;
-- Set to False if bind file is not to be compiled
-- the ALI file name (mainprog.ali => mainprog.map).
Object_List_File_Supported : Boolean;
+ for Object_List_File_Supported'Size use Character'Size;
pragma Import
(C, Object_List_File_Supported, "__gnat_objlist_file_supported");
-- Predicate indicating whether the linker has an option whereby the
Object_List_File_Required : Boolean := False;
-- Set to True to force generation of a response file
- function Base_Name (File_Name : in String) return String;
+ function Base_Name (File_Name : String) return String;
-- Return just the file name part without the extension (if present)
- procedure Delete (Name : in String);
+ procedure Delete (Name : String);
-- Wrapper to unlink as status is ignored by this application
- procedure Error_Msg (Message : in String);
+ procedure Error_Msg (Message : String);
-- Output the error or warning Message
- procedure Exit_With_Error (Error : in String);
+ procedure Exit_With_Error (Error : String);
-- Output Error and exit program with a fatal condition
procedure Process_Args;
-- Go through all the arguments and build option tables
- procedure Process_Binder_File (Name : in String);
+ procedure Process_Binder_File (Name : String);
-- Reads the binder file and extracts linker arguments
+ procedure Usage;
+ -- Display usage
+
procedure Write_Header;
-- Show user the program name, version and copyright
-- Base_Name --
---------------
- function Base_Name (File_Name : in String) return String is
+ function Base_Name (File_Name : String) return String is
Findex1 : Natural;
Findex2 : Natural;
-- Delete --
------------
- procedure Delete (Name : in String) is
+ procedure Delete (Name : String) is
Status : int;
pragma Unreferenced (Status);
begin
-- Error_Msg --
---------------
- procedure Error_Msg (Message : in String) is
+ procedure Error_Msg (Message : String) is
begin
Write_Str (Base_Name (Command_Name));
Write_Str (": ");
-- Exit_With_Error --
---------------------
- procedure Exit_With_Error (Error : in String) is
+ procedure Exit_With_Error (Error : String) is
begin
Error_Msg (Error);
Exit_Program (E_Fatal);
-- Set to true if the next argument is to be added into the list of
-- linker's argument without parsing it.
+ procedure Check_Version_And_Help is new Check_Version_And_Help_G (Usage);
+
+ -- Start of processing for Process_Args
+
begin
+ -- First, check for --version and --help
+
+ Check_Version_And_Help ("GNATLINK", "1995");
+
-- Loop through arguments of gnatlink command
Next_Arg := 1;
Compile_Bind_File := False;
when 'o' =>
- Linker_Options.Increment_Last;
- Linker_Options.Table (Linker_Options.Last) :=
- new String'(Arg);
+ if VM_Target = CLI_Target then
+ Linker_Options.Increment_Last;
+ Linker_Options.Table (Linker_Options.Last) :=
+ new String'("/QUIET");
+
+ else
+ Linker_Options.Increment_Last;
+ Linker_Options.Table (Linker_Options.Last) :=
+ new String'(Arg);
+ end if;
Next_Arg := Next_Arg + 1;
Exit_With_Error ("Missing argument for -o");
end if;
- Output_File_Name := new String'(Argument (Next_Arg));
+ if VM_Target = CLI_Target then
+ Output_File_Name :=
+ new String'("/OUTPUT=" & Argument (Next_Arg));
+ else
+ Output_File_Name :=
+ new String'(Argument (Next_Arg));
+ end if;
Linker_Options.Increment_Last;
Linker_Options.Table (Linker_Options.Last) :=
end if;
Linker_Path :=
- GNAT.OS_Lib.Locate_Exec_On_Path (Arg (8 .. Arg'Last));
+ System.OS_Lib.Locate_Exec_On_Path (Arg (8 .. Arg'Last));
if Linker_Path = null then
Exit_With_Error
(Arg (7 .. Arg'Last));
begin
- Gcc := new String'(Program_Args.all (1).all);
- Standard_Gcc := False;
+ if Program_Args.all (1).all /= Gcc.all then
+ Gcc := new String'(Program_Args.all (1).all);
+ Standard_Gcc := False;
+ end if;
-- Set appropriate flags for switches passed
-- Process_Binder_File --
-------------------------
- procedure Process_Binder_File (Name : in String) is
+ procedure Process_Binder_File (Name : String) is
Fd : FILEs;
-- Binder file's descriptor
-- Last object file index in Linker_Objects table
Status : int;
+ pragma Warnings (Off, Status);
-- Used for various Interfaces.C_Streams calls
Closing_Status : Boolean;
+ pragma Warnings (Off, Closing_Status);
-- For call to Close
GNAT_Static : Boolean := False;
-- the response file.
Using_GNU_Linker : Boolean;
+ for Using_GNU_Linker'Size use Character'Size;
pragma Import (C, Using_GNU_Linker, "__gnat_using_gnu_linker");
-- Predicate indicating whether this target uses the GNU linker. In
-- this case we must output a GNU linker compatible response file.
+ Separate_Run_Path_Options : Boolean;
+ for Separate_Run_Path_Options'Size use Character'Size;
+ pragma Import
+ (C, Separate_Run_Path_Options, "__gnat_separate_run_path_options");
+ -- Whether separate rpath options should be emitted for each directory
+
Opening : aliased constant String := """";
Closing : aliased constant String := '"' & ASCII.LF;
-- Needed to quote object paths in object list files when GNU linker
function Index (S, Pattern : String) return Natural;
-- Return the last occurrence of Pattern in S, or 0 if none
- function Is_Option_Present (Opt : in String) return Boolean;
+ function Is_Option_Present (Opt : String) return Boolean;
-- Return true if the option Opt is already present in
-- Linker_Options table.
-- Is_Option_Present --
-----------------------
- function Is_Option_Present (Opt : in String) return Boolean is
+ function Is_Option_Present (Opt : String) return Boolean is
begin
for I in 1 .. Linker_Options.Last loop
Objs_End := Linker_Objects.Last;
- -- Let's continue to compute the Link_Bytes, the linker options are
- -- part of command line length.
+ -- Continue to compute the Link_Bytes, the linker options are part of
+ -- command line length.
Store_File_Context;
while Next_Line (Nfirst .. Nlast) /= End_Info loop
Link_Bytes := Link_Bytes + Nlast - Nfirst + 2;
- -- See comment above
Get_Next_Line;
end loop;
-- to read from a file instead of the command line is only triggered if
-- a conservative threshold is passed.
- if Object_List_File_Required
+ if VM_Target = CLI_Target
+ and then Link_Bytes > Link_Max
+ then
+ Lname := new String'("l~" & Base_Name (Ali_File_Name.all) & ".il");
+
+ for J in Objs_Begin .. Objs_End loop
+ Copy_File (Linker_Objects.Table (J).all, Lname.all,
+ Success => Closing_Status,
+ Mode => Append);
+ end loop;
+
+ -- Add the special objects list file option together with the name
+ -- of the temporary file to the objects file table.
+
+ Linker_Objects.Table (Objs_Begin) :=
+ new String'(Value (Object_File_Option_Ptr) & Lname.all);
+
+ -- The slots containing these object file names are then removed
+ -- from the objects table so they do not appear in the link. They
+ -- are removed by moving up the linker options and non-Ada object
+ -- files appearing after the Ada object list in the table.
+
+ declare
+ N : Integer;
+
+ begin
+ N := Objs_End - Objs_Begin + 1;
+
+ for J in Objs_End + 1 .. Linker_Objects.Last loop
+ Linker_Objects.Table (J - N + 1) := Linker_Objects.Table (J);
+ end loop;
+
+ Linker_Objects.Set_Last (Linker_Objects.Last - N + 1);
+ end;
+
+ elsif Object_List_File_Required
or else (Object_List_File_Supported
and then Link_Bytes > Link_Max)
then
-- If target is using the GNU linker we must add a special header
-- and footer in the response file.
+
-- The syntax is : INPUT (object1.o object2.o ... )
+
-- Because the GNU linker does not like name with characters such
-- as '!', we must put the object paths between double quotes.
declare
N : Integer;
+
begin
N := Objs_End - Objs_Begin + 1;
-- Look for an eventual run_path_option in
-- the linker switches.
- for J in reverse 1 .. Linker_Options.Last loop
- if Linker_Options.Table (J) /= null
- and then
- Linker_Options.Table (J)'Length
- > Run_Path_Opt'Length
- and then
- Linker_Options.Table (J)
- (1 .. Run_Path_Opt'Length) =
- Run_Path_Opt
- then
- -- We have found a already specified
- -- run_path_option: we will add to this
- -- switch, because only one
- -- run_path_option should be specified.
-
- Run_Path_Opt_Index := J;
- exit;
- end if;
- end loop;
-
- -- If there is no run_path_option, we need
- -- to add one.
-
- if Run_Path_Opt_Index = 0 then
+ if Separate_Run_Path_Options then
Linker_Options.Increment_Last;
- end if;
+ Linker_Options.Table
+ (Linker_Options.Last) :=
+ new String'
+ (Run_Path_Opt
+ & File_Path
+ (1 .. File_Path'Length
+ - File_Name'Length));
- if GCC_Index = 0 then
- if Run_Path_Opt_Index = 0 then
+ if GCC_Index /= 0 then
+ Linker_Options.Increment_Last;
Linker_Options.Table
(Linker_Options.Last) :=
- new String'
- (Run_Path_Opt
- & File_Path
- (1 .. File_Path'Length
- - File_Name'Length));
-
- else
- Linker_Options.Table
- (Run_Path_Opt_Index) :=
- new String'
- (Linker_Options.Table
- (Run_Path_Opt_Index).all
- & Path_Separator
- & File_Path
- (1 .. File_Path'Length
- - File_Name'Length));
+ new String'
+ (Run_Path_Opt
+ & File_Path (1 .. GCC_Index));
end if;
-
else
+ for J in reverse
+ 1 .. Linker_Options.Last
+ loop
+ if Linker_Options.Table (J) /= null
+ and then
+ Linker_Options.Table (J)'Length
+ > Run_Path_Opt'Length
+ and then
+ Linker_Options.Table (J)
+ (1 .. Run_Path_Opt'Length) =
+ Run_Path_Opt
+ then
+ -- We have found a already specified
+ -- run_path_option: we will add to
+ -- this switch, because only one
+ -- run_path_option should be
+ -- specified.
+
+ Run_Path_Opt_Index := J;
+ exit;
+ end if;
+ end loop;
+
+ -- If there is no run_path_option, we need
+ -- to add one.
+
if Run_Path_Opt_Index = 0 then
- Linker_Options.Table
- (Linker_Options.Last) :=
- new String'(Run_Path_Opt
- & File_Path
+ Linker_Options.Increment_Last;
+ end if;
+
+ if GCC_Index = 0 then
+ if Run_Path_Opt_Index = 0 then
+ Linker_Options.Table
+ (Linker_Options.Last) :=
+ new String'
+ (Run_Path_Opt
+ & File_Path
+ (1 .. File_Path'Length
+ - File_Name'Length));
+
+ else
+ Linker_Options.Table
+ (Run_Path_Opt_Index) :=
+ new String'
+ (Linker_Options.Table
+ (Run_Path_Opt_Index).all
+ & Path_Separator
+ & File_Path
(1 .. File_Path'Length
- - File_Name'Length)
- & Path_Separator
- & File_Path (1 .. GCC_Index));
+ - File_Name'Length));
+ end if;
else
- Linker_Options.Table
- (Run_Path_Opt_Index) :=
- new String'
- (Linker_Options.Table
- (Run_Path_Opt_Index).all
- & Path_Separator
- & File_Path
+ if Run_Path_Opt_Index = 0 then
+ Linker_Options.Table
+ (Linker_Options.Last) :=
+ new String'(Run_Path_Opt
+ & File_Path
+ (1 .. File_Path'Length
+ - File_Name'Length)
+ & Path_Separator
+ & File_Path (1 .. GCC_Index));
+
+ else
+ Linker_Options.Table
+ (Run_Path_Opt_Index) :=
+ new String'
+ (Linker_Options.Table
+ (Run_Path_Opt_Index).all
+ & Path_Separator
+ & File_Path
(1 .. File_Path'Length
- - File_Name'Length)
- & Path_Separator
- & File_Path (1 .. GCC_Index));
+ - File_Name'Length)
+ & Path_Separator
+ & File_Path (1 .. GCC_Index));
+ end if;
end if;
end if;
end if;
else
-- If gnatlib library not found, then
-- add it anyway in case some other
- -- mechanimsm may find it.
+ -- mechanism may find it.
Linker_Options.Increment_Last;
Linker_Options.Table (Linker_Options.Last) :=
end loop;
end if;
- Status := fclose (Fd);
- end Process_Binder_File;
-
- ------------------
- -- Write_Header --
- ------------------
+ -- If -shared was specified, invoke gcc with -shared-libgcc
- procedure Write_Header is
- begin
- if Verbose_Mode then
- Write_Eol;
- Write_Str ("GNATLINK ");
- Write_Str (Gnat_Version_String);
- Write_Eol;
- Write_Str ("Copyright 1995-2005 Free Software Foundation, Inc");
- Write_Eol;
+ if GNAT_Shared then
+ Linker_Options.Increment_Last;
+ Linker_Options.Table (Linker_Options.Last) := Shared_Libgcc;
end if;
- end Write_Header;
- -----------------
- -- Write_Usage --
- -----------------
+ Status := fclose (Fd);
+ end Process_Binder_File;
- procedure Write_Usage is
- begin
- Write_Header;
+ -----------
+ -- Usage --
+ -----------
+ procedure Usage is
+ begin
Write_Str ("Usage: ");
Write_Str (Base_Name (Command_Name));
Write_Str (" switches mainprog.ali [non-Ada-objects] [linker-options]");
Write_Eol;
Write_Line (" [non-Ada-objects] list of non Ada object files");
Write_Line (" [linker-options] other options for the linker");
+ end Usage;
+
+ ------------------
+ -- Write_Header --
+ ------------------
+
+ procedure Write_Header is
+ begin
+ if Verbose_Mode then
+ Write_Eol;
+ Display_Version ("GNATLINK", "1995");
+ end if;
+ end Write_Header;
+
+ -----------------
+ -- Write_Usage --
+ -----------------
+
+ procedure Write_Usage is
+ begin
+ Write_Header;
+ Usage;
end Write_Usage;
-- Start of processing for Gnatlink
Exit_Program (E_Fatal);
end if;
- if Hostparm.Java_VM then
- Gcc := new String'("jgnat");
- Ada_Bind_File := True;
- Begin_Info := "-- BEGIN Object file/option list";
- End_Info := "-- END Object file/option list ";
- end if;
+ -- Initialize packages to be used
+
+ Namet.Initialize;
+ Csets.Initialize;
+ Snames.Initialize;
-- We always compile with -c
Binder_Options_From_ALI.Table (Binder_Options_From_ALI.Last) :=
new String'("-c");
- -- If the main program is in Ada it is compiled with the following
- -- switches:
-
- -- -gnatA stops reading gnat.adc, since we don't know what
- -- pagmas would work, and we do not need it anyway.
-
- -- -gnatWb allows brackets coding for wide characters
-
- -- -gnatiw allows wide characters in identifiers. This is needed
- -- because bindgen uses brackets encoding for all upper
- -- half and wide characters in identifier names.
-
- if Ada_Bind_File then
- Binder_Options_From_ALI.Increment_Last;
- Binder_Options_From_ALI.Table (Binder_Options_From_ALI.Last) :=
- new String'("-gnatA");
- Binder_Options_From_ALI.Increment_Last;
- Binder_Options_From_ALI.Table (Binder_Options_From_ALI.Last) :=
- new String'("-gnatWb");
- Binder_Options_From_ALI.Increment_Last;
- Binder_Options_From_ALI.Table (Binder_Options_From_ALI.Last) :=
- new String'("-gnatiw");
- end if;
-
- -- Locate all the necessary programs and verify required files are present
-
- Gcc_Path := GNAT.OS_Lib.Locate_Exec_On_Path (Gcc.all);
-
- if Gcc_Path = null then
- Exit_With_Error ("Couldn't locate " & Gcc.all);
- end if;
-
- if Linker_Path = null then
- Linker_Path := Gcc_Path;
- end if;
-
if Ali_File_Name = null then
Exit_With_Error ("no ali file given for link");
end if;
Exit_With_Error (Ali_File_Name.all & " not found");
end if;
- -- Get target parameters
-
- Namet.Initialize;
- Csets.Initialize;
- Snames.Initialize;
- Osint.Add_Default_Search_Dirs;
- Targparm.Get_Target_Parameters;
-
-- Read the ALI file of the main subprogram if the binder generated
-- file needs to be compiled and no --GCC= switch has been specified.
-- Fetch the back end switches from this ALI file and use these switches
Index in Units.Table (ALIs.Table (A).First_Unit).First_Arg ..
Units.Table (ALIs.Table (A).First_Unit).Last_Arg
loop
- -- Do not compile with the front end switches except for --RTS
- -- if the binder generated file is in Ada.
+ -- Do not compile with the front end switches. However, --RTS
+ -- is to be dealt with specially because it needs to be passed
+ -- if the binder-generated file is in Ada and may also be used
+ -- to drive the linker.
declare
Arg : String_Ptr renames Args.Table (Index);
begin
- if not Is_Front_End_Switch (Arg.all)
- or else
- (Ada_Bind_File
- and then Arg'Length > 5
- and then Arg (Arg'First + 2 .. Arg'First + 5) = "RTS=")
- then
+ if not Is_Front_End_Switch (Arg.all) then
Binder_Options_From_ALI.Increment_Last;
Binder_Options_From_ALI.Table
(Binder_Options_From_ALI.Last) := String_Access (Arg);
+
+ elsif Arg'Length > 5
+ and then Arg (Arg'First + 2 .. Arg'First + 5) = "RTS="
+ then
+ if Ada_Bind_File then
+ Binder_Options_From_ALI.Increment_Last;
+ Binder_Options_From_ALI.Table
+ (Binder_Options_From_ALI.Last)
+ := String_Access (Arg);
+ end if;
+
+ -- Set the RTS_*_Path_Name variables, so that the
+ -- correct directories will be set when
+ -- Osint.Add_Default_Search_Dirs will be called later.
+
+ Opt.RTS_Src_Path_Name :=
+ Get_RTS_Search_Dir
+ (Arg (Arg'First + 6 .. Arg'Last), Include);
+
+ Opt.RTS_Lib_Path_Name :=
+ Get_RTS_Search_Dir
+ (Arg (Arg'First + 6 .. Arg'Last), Objects);
+
+ -- GNAT doesn't support the GCC multilib mechanism.
+ -- This means that, when a multilib switch is used
+ -- to request a particular compilation mode, the
+ -- corresponding runtime switch (--RTS) must also be
+ -- specified. The long-term goal is to fully support the
+ -- multilib mechanism; however, in the meantime, it is
+ -- convenient to eliminate the redundancy by keying the
+ -- compilation mode on a single switch, namely --RTS.
+
+ -- Pass -mrtp to the linker if --RTS=rtp was passed
+
+ if Arg'Length > 8
+ and then Arg (Arg'First + 6 .. Arg'First + 8) = "rtp"
+ then
+ Linker_Options.Increment_Last;
+ Linker_Options.Table (Linker_Options.Last) :=
+ new String'("-mrtp");
+
+ -- Pass -fsjlj to the linker if --RTS=sjlj was passed
+
+ elsif Arg'Length > 9
+ and then Arg (Arg'First + 6 .. Arg'First + 9) = "sjlj"
+ then
+ Linker_Options.Increment_Last;
+ Linker_Options.Table (Linker_Options.Last) :=
+ new String'("-fsjlj");
+ end if;
end if;
end;
end loop;
end;
end if;
+ -- Get target parameters
+
+ Osint.Add_Default_Search_Dirs;
+ Targparm.Get_Target_Parameters;
+
+ if VM_Target /= No_VM then
+ case VM_Target is
+ when JVM_Target => Gcc := new String'("jvm-gnatcompile");
+ when CLI_Target => Gcc := new String'("dotnet-gnatcompile");
+ when No_VM => raise Program_Error;
+ end case;
+
+ Ada_Bind_File := True;
+ Begin_Info := "-- BEGIN Object file/option list";
+ End_Info := "-- END Object file/option list ";
+ end if;
+
+ -- If the main program is in Ada it is compiled with the following
+ -- switches:
+
+ -- -gnatA stops reading gnat.adc, since we don't know what
+ -- pragmas would work, and we do not need it anyway.
+
+ -- -gnatWb allows brackets coding for wide characters
+
+ -- -gnatiw allows wide characters in identifiers. This is needed
+ -- because bindgen uses brackets encoding for all upper
+ -- half and wide characters in identifier names.
+
+ if Ada_Bind_File then
+ Binder_Options_From_ALI.Increment_Last;
+ Binder_Options_From_ALI.Table (Binder_Options_From_ALI.Last) :=
+ new String'("-gnatA");
+ Binder_Options_From_ALI.Increment_Last;
+ Binder_Options_From_ALI.Table (Binder_Options_From_ALI.Last) :=
+ new String'("-gnatWb");
+ Binder_Options_From_ALI.Increment_Last;
+ Binder_Options_From_ALI.Table (Binder_Options_From_ALI.Last) :=
+ new String'("-gnatiw");
+ end if;
+
+ -- Locate all the necessary programs and verify required files are present
+
+ Gcc_Path := System.OS_Lib.Locate_Exec_On_Path (Gcc.all);
+
+ if Gcc_Path = null then
+ Exit_With_Error ("Couldn't locate " & Gcc.all);
+ end if;
+
+ if Linker_Path = null then
+ if VM_Target = CLI_Target then
+ Linker_Path := System.OS_Lib.Locate_Exec_On_Path ("ilasm");
+
+ if Linker_Path = null then
+ Exit_With_Error ("Couldn't locate ilasm");
+ end if;
+
+ elsif RTX_RTSS_Kernel_Module_On_Target then
+
+ -- Use Microsoft linker for RTSS modules
+
+ Linker_Path := System.OS_Lib.Locate_Exec_On_Path ("link");
+
+ if Linker_Path = null then
+ Exit_With_Error ("Couldn't locate link");
+ end if;
+
+ else
+ Linker_Path := Gcc_Path;
+ end if;
+ end if;
+
Write_Header;
-- If no output name specified, then use the base name of .ali file name
if Output_File_Name = null then
Output_File_Name :=
new String'(Base_Name (Ali_File_Name.all)
- & Get_Target_Debuggable_Suffix.all);
+ & Get_Target_Debuggable_Suffix.all);
+
+ if VM_Target = CLI_Target then
+ Linker_Options.Increment_Last;
+ Linker_Options.Table (Linker_Options.Last) := new String'("/QUIET");
+
+ Linker_Options.Increment_Last;
+ Linker_Options.Table (Linker_Options.Last) := new String'("/DEBUG");
+
+ Linker_Options.Increment_Last;
+ Linker_Options.Table (Linker_Options.Last) :=
+ new String'("/OUTPUT=" & Output_File_Name.all);
- Linker_Options.Increment_Last;
- Linker_Options.Table (Linker_Options.Last) :=
- new String'("-o");
+ elsif RTX_RTSS_Kernel_Module_On_Target then
+ Linker_Options.Increment_Last;
+ Linker_Options.Table (Linker_Options.Last) :=
+ new String'("/OUT:" & Output_File_Name.all);
- Linker_Options.Increment_Last;
- Linker_Options.Table (Linker_Options.Last) :=
- new String'(Output_File_Name.all);
+ else
+ Linker_Options.Increment_Last;
+ Linker_Options.Table (Linker_Options.Last) := new String'("-o");
+
+ Linker_Options.Increment_Last;
+ Linker_Options.Table (Linker_Options.Last) :=
+ new String'(Output_File_Name.all);
+ end if;
end if;
-- Warn if main program is called "test", as that may be a built-in command
Binder_Options.Table (J);
end loop;
- Args (Args'Last) := Binder_Body_Src_File;
+ -- Use the full path of the binder generated source, so that it is
+ -- guaranteed that the debugger will find this source, even with
+ -- STABS.
+
+ Args (Args'Last) :=
+ new String'(Normalize_Pathname (Binder_Body_Src_File.all));
if Verbose_Mode then
Write_Str (Base_Name (Gcc_Path.all));
Write_Eol;
end if;
- GNAT.OS_Lib.Spawn (Gcc_Path.all, Args, Success);
+ System.OS_Lib.Spawn (Gcc_Path.all, Args, Success);
if not Success then
Exit_Program (E_Fatal);
-- Now, actually link the program
- -- Skip this step for now on the JVM since the Java interpreter will do
+ -- Skip this step for now on JVM since the Java interpreter will do
-- the actual link at run time. We might consider packing all class files
-- in a .zip file during this step.
- if not Hostparm.Java_VM then
+ if VM_Target /= JVM_Target then
Link_Step : declare
Num_Args : Natural :=
(Linker_Options.Last - Linker_Options.First + 1) +
IDENT_Op : Boolean := False;
begin
+ if VM_Target = CLI_Target then
+
+ -- Remove extraneous flags not relevant for CIL. Also remove empty
+ -- arguments, since ilasm chokes on them.
+
+ for J in reverse Linker_Options.First .. Linker_Options.Last loop
+ if Linker_Options.Table (J)'Length = 0
+ or else Linker_Options.Table (J) (1 .. 2) = "-L"
+ or else Linker_Options.Table (J) (1 .. 2) = "-l"
+ or else Linker_Options.Table (J) (1 .. 3) = "-Wl"
+ or else Linker_Options.Table (J) (1 .. 3) = "-sh"
+ or else Linker_Options.Table (J) (1 .. 2) = "-g"
+ then
+ Linker_Options.Table (J .. Linker_Options.Last - 1) :=
+ Linker_Options.Table (J + 1 .. Linker_Options.Last);
+ Linker_Options.Decrement_Last;
+ Num_Args := Num_Args - 1;
+ end if;
+ end loop;
+
+ elsif RTX_RTSS_Kernel_Module_On_Target then
+
+ -- Remove flags not relevant for Microsoft linker and adapt some
+ -- others.
+
+ for J in reverse Linker_Options.First .. Linker_Options.Last loop
+
+ -- Remove flags that are not accepted
+ if Linker_Options.Table (J)'Length = 0
+ or else Linker_Options.Table (J) (1 .. 2) = "-l"
+ or else Linker_Options.Table (J) (1 .. 3) = "-Wl"
+ or else Linker_Options.Table (J) (1 .. 3) = "-sh"
+ or else Linker_Options.Table (J) (1 .. 8) = "-Xlinker"
+ or else Linker_Options.Table (J) (1 .. 9) = "-mthreads"
+ then
+ Linker_Options.Table (J .. Linker_Options.Last - 1) :=
+ Linker_Options.Table (J + 1 .. Linker_Options.Last);
+ Linker_Options.Decrement_Last;
+ Num_Args := Num_Args - 1;
+
+ -- Replace "-L" by its counterpart "/LIBPATH:" and UNIX "/" by
+ -- Windows "\".
+ elsif Linker_Options.Table (J) (1 .. 2) = "-L" then
+ declare
+ Libpath_Option : constant String_Access := new String'
+ ("/LIBPATH:" &
+ Linker_Options.Table (J)
+ (3 .. Linker_Options.Table (J).all'Last));
+ begin
+ for Index in 10 .. Libpath_Option'Last loop
+ if Libpath_Option (Index) = '/' then
+ Libpath_Option (Index) := '\';
+ end if;
+ end loop;
+
+ Linker_Options.Table (J) := Libpath_Option;
+ end;
+
+ -- Replace "-g" by "/DEBUG"
+ elsif Linker_Options.Table (J) (1 .. 2) = "-g" then
+ Linker_Options.Table (J) := new String'("/DEBUG");
+
+ -- Replace "-o" by "/OUT:"
+ elsif Linker_Options.Table (J) (1 .. 2) = "-o" then
+ Linker_Options.Table (J + 1) := new String'
+ ("/OUT:" & Linker_Options.Table (J + 1).all);
+
+ Linker_Options.Table (J .. Linker_Options.Last - 1) :=
+ Linker_Options.Table (J + 1 .. Linker_Options.Last);
+ Linker_Options.Decrement_Last;
+ Num_Args := Num_Args - 1;
+
+ -- Replace "--stack=" by "/STACK:"
+ elsif Linker_Options.Table (J) (1 .. 8) = "--stack=" then
+ Linker_Options.Table (J) := new String'
+ ("/STACK:" &
+ Linker_Options.Table (J)
+ (9 .. Linker_Options.Table (J).all'Last));
+
+ -- Replace "-v" by its counterpart "/VERBOSE"
+ elsif Linker_Options.Table (J) (1 .. 2) = "-v" then
+ Linker_Options.Table (J) := new String'("/VERBOSE");
+ end if;
+ end loop;
+
+ -- Add some required flags to create RTSS modules
+
+ declare
+ Flags_For_Linker : constant array (1 .. 17) of String_Access :=
+ (new String'("/NODEFAULTLIB"),
+ new String'("/INCREMENTAL:NO"),
+ new String'("/NOLOGO"),
+ new String'("/DRIVER"),
+ new String'("/ALIGN:0x20"),
+ new String'("/SUBSYSTEM:NATIVE"),
+ new String'("/ENTRY:_RtapiProcessEntryCRT@8"),
+ new String'("/RELEASE"),
+ new String'("startupCRT.obj"),
+ new String'("rtxlibcmt.lib"),
+ new String'("oldnames.lib"),
+ new String'("rtapi_rtss.lib"),
+ new String'("Rtx_Rtss.lib"),
+ new String'("libkernel32.a"),
+ new String'("libws2_32.a"),
+ new String'("libmswsock.a"),
+ new String'("libadvapi32.a"));
+ -- These flags need to be passed to Microsoft linker. They
+ -- come from the RTX documentation.
+
+ Gcc_Lib_Path : constant String_Access := new String'
+ ("/LIBPATH:" & Include_Dir_Default_Prefix & "\..\");
+ -- Place to look for gcc related libraries, such as libgcc
+
+ begin
+ -- Replace UNIX "/" by Windows "\" in the path
+
+ for Index in 10 .. Gcc_Lib_Path.all'Last loop
+ if Gcc_Lib_Path (Index) = '/' then
+ Gcc_Lib_Path (Index) := '\';
+ end if;
+ end loop;
+
+ Linker_Options.Increment_Last;
+ Linker_Options.Table (Linker_Options.Last) := Gcc_Lib_Path;
+ Num_Args := Num_Args + 1;
+
+ for Index in Flags_For_Linker'Range loop
+ Linker_Options.Increment_Last;
+ Linker_Options.Table (Linker_Options.Last) :=
+ Flags_For_Linker (Index);
+ Num_Args := Num_Args + 1;
+ end loop;
+ end;
+ end if;
+
-- Remove duplicate stack size setting from the Linker_Options
-- table. The stack setting option "-Xlinker --stack=R,C" can be
-- found in one line when set by a pragma Linker_Options or in two
-- one. And any subsequent stack setting option will overwrite the
-- previous one. This is done especially for GNAT/NT where we set
-- the stack size for tasking programs by a pragma in the NT
- -- specific tasking package System.Task_Primitives.Oparations.
+ -- specific tasking package System.Task_Primitives.Operations.
-- Note: This is not a FOR loop that runs from Linker_Options.First
-- to Linker_Options.Last, since operations within the loop can
Clean_Link_Option_Set : declare
J : Natural := Linker_Options.First;
+ Shared_Libgcc_Seen : Boolean := False;
begin
while J <= Linker_Options.Last loop
end if;
end if;
+ -- Remove duplicate -shared-libgcc switch
+
+ if Linker_Options.Table (J).all = Shared_Libgcc_String then
+ if Shared_Libgcc_Seen then
+ Linker_Options.Table (J .. Linker_Options.Last - 1) :=
+ Linker_Options.Table (J + 1 .. Linker_Options.Last);
+ Linker_Options.Decrement_Last;
+ Num_Args := Num_Args - 1;
+
+ else
+ Shared_Libgcc_Seen := True;
+ end if;
+ end if;
+
-- Here we just check for a canonical form that matches the
-- pragma Linker_Options set in the NT runtime.
J := J + 1;
end loop;
+
+ if Linker_Path = Gcc_Path and then VM_Target = No_VM then
+
+ -- If gcc is not called with -shared-libgcc, call it with
+ -- -static-libgcc, as there are some platforms where one of
+ -- these two switches is compulsory to link.
+
+ if not Shared_Libgcc_Seen then
+ Linker_Options.Increment_Last;
+ Linker_Options.Table (Linker_Options.Last) := Static_Libgcc;
+ Num_Args := Num_Args + 1;
+ end if;
+
+ elsif RTX_RTSS_Kernel_Module_On_Target then
+
+ -- Force the use of the static libgcc for RTSS modules
+
+ Linker_Options.Increment_Last;
+ Linker_Options.Table (Linker_Options.Last) :=
+ new String'("libgcc.a");
+ Num_Args := Num_Args + 1;
+ end if;
+
end Clean_Link_Option_Set;
-- Prepare arguments for call to linker
end if;
end if;
- GNAT.OS_Lib.Spawn (Linker_Path.all, Args, Success);
+ System.OS_Lib.Spawn (Linker_Path.all, Args, Success);
- -- Delete the temporary file used in conjuction with linking if
+ -- Delete the temporary file used in conjunction with linking if
-- one was created. See Process_Bind_File for details.
if Tname_FD /= Invalid_FD then
Delete (Tname);
end if;
+ if Lname /= null then
+ Delete (Lname.all & ASCII.NUL);
+ end if;
+
if not Success then
- Error_Msg ("cannot call " & Linker_Path.all);
+ Error_Msg ("error when calling " & Linker_Path.all);
Exit_Program (E_Fatal);
end if;
end Call_Linker;
Delete (Binder_Body_Src_File.all & ASCII.NUL);
- if not Hostparm.Java_VM then
+ if VM_Target = No_VM then
Delete (Binder_Obj_File.all & ASCII.NUL);
end if;
end if;
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