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{
Copyright (c) 2003 by Wiktor Sywula
This unit implements support import, export, link routines
for the (i386) Watcom target
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT 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
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
****************************************************************************
}
unit t_watcom;
{$i fpcdefs.inc}
interface
implementation
uses
link,
cclasses,cutils,strings,globtype,globals,
systems,verbose,script,fmodule,i_watcom;
type
tlinkerwatcom=class(texternallinker)
private
Function WriteResponseFile(isdll:boolean) : Boolean;
public
constructor Create;override;
procedure SetDefaultInfo;override;
function MakeExecutable:boolean;override;
{ function MakeSharedLibrary:boolean;override;}
end;
{****************************************************************************
TLinkerWatcom
****************************************************************************}
Constructor TLinkerWatcom.Create;
begin
Inherited Create;
SharedLibFiles.doubles:=true;
StaticLibFiles.doubles:=true;
end;
procedure TLinkerWatcom.SetDefaultInfo;
begin
with Info do
ExeCmd[1]:='wlink system causeway option quiet option nocaseexact $OPT $STRIP name $EXE @$RES';
end;
Function TLinkerWatcom.WriteResponseFile(isdll:boolean) : Boolean;
Var
linkres : TLinkRes;
i : longint;
s : string;
linklibc : boolean;
begin
WriteResponseFile:=False;
{ Open link.res file }
LinkRes:=TLinkRes.Create(outputexedir+Info.ResName);
{ Write object files, start with prt0 }
LinkRes.Add('file '+GetShortName(FindObjectFile('prt0','',false)));
if not ObjectFiles.Empty then
While not ObjectFiles.Empty do
begin
S:=ObjectFiles.GetFirst;
LinkRes.AddFileName('file '+GetShortName(s));
end;
{ Write staticlibraries }
if not StaticLibFiles.Empty then
While not StaticLibFiles.Empty do
begin
S:=StaticLibFiles.GetFirst;
LinkRes.AddFileName('file '+GetShortName(s));
end;
(*
{ Write sharedlibraries like -l<lib>, also add the needed dynamic linker
here to be sure that it gets linked this is needed for glibc2 systems (PFV) }
linklibc:=false;
While not SharedLibFiles.Empty do
begin
S:=SharedLibFiles.Get;
if s<>'c' then
begin
i:=Pos(target_os.sharedlibext,S);
if i>0 then
Delete(S,i,255);
LinkRes.Add('-l'+s);
end
else
begin
LinkRes.Add('-l'+s);
linklibc:=true;
end;
end;
{ be sure that libc&libgcc is the last lib }
if linklibc then
begin
LinkRes.Add('-lc');
LinkRes.Add('-lgcc');
end;
*)
{ Write and Close response }
linkres.writetodisk;
linkres.free;
WriteResponseFile:=True;
end;
function TLinkerWatcom.MakeExecutable:boolean;
var
binstr : String;
cmdstr : TCmdStr;
success : boolean;
StripStr : string[40];
begin
if not(cs_link_extern in aktglobalswitches) then
Message1(exec_i_linking,current_module.exefilename^);
{ Create some replacements }
StripStr:='debug dwarf all';
if (cs_link_strip in aktglobalswitches) then
StripStr:='';
{ Write used files and libraries }
WriteResponseFile(false);
{ Call linker }
SplitBinCmd(Info.ExeCmd[1],binstr,cmdstr);
Replace(cmdstr,'$EXE',maybequoted(current_module.exefilename^));
Replace(cmdstr,'$OPT',Info.ExtraOptions);
Replace(cmdstr,'$RES',maybequoted(outputexedir+Info.ResName));
Replace(cmdstr,'$STRIP',StripStr);
success:=DoExec(FindUtil(utilsprefix+BinStr),cmdstr,true,false);
{ Remove ReponseFile }
if (success) and not(cs_link_extern in aktglobalswitches) then
RemoveFile(outputexedir+Info.ResName);
MakeExecutable:=success; { otherwise a recursive call to link method }
end;
{function TLinkerWatcom.MakeSharedLibrary:boolean;
begin
MakeSharedLibrary:=false;
end;}
{*****************************************************************************
Initialize
*****************************************************************************}
initialization
RegisterExternalLinker(system_i386_watcom_info,TLinkerWatcom);
RegisterTarget(system_i386_watcom_info);
end.
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