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330 lines
9.3 KiB
ObjectPascal
330 lines
9.3 KiB
ObjectPascal
{
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$Id$
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Copyright (c) 1998-2000 by Peter Vreman
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This unit implements support import,export,link routines
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for the (i386) go32v1 target
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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****************************************************************************
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}
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unit t_go32v1;
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{$i defines.inc}
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interface
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uses
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link;
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type
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tlinkergo32v1=class(tlinker)
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private
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Function WriteResponseFile(isdll:boolean) : Boolean;
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public
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constructor Create;override;
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procedure SetDefaultInfo;override;
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function MakeExecutable:boolean;override;
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end;
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implementation
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uses
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cutils,cclasses,
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globtype,globals,systems,verbose,script,fmodule;
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{****************************************************************************
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TLinkergo32v1
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****************************************************************************}
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Constructor TLinkergo32v1.Create;
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begin
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Inherited Create;
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{ allow duplicated libs (PM) }
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SharedLibFiles.doubles:=true;
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StaticLibFiles.doubles:=true;
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end;
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procedure TLinkergo32v1.SetDefaultInfo;
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begin
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with Info do
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begin
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ExeCmd[1]:='ld -oformat coff-go32 $OPT $STRIP -o $EXE @$RES';
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ExeCmd[2]:='aout2exe $EXE';
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end;
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end;
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Function TLinkergo32v1.WriteResponseFile(isdll:boolean) : Boolean;
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Var
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linkres : TLinkRes;
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i : longint;
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HPath : TStringListItem;
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s : string;
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linklibc : boolean;
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begin
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WriteResponseFile:=False;
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{ Open link.res file }
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LinkRes:=TLinkRes.Create(outputexedir+Info.ResName);
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{ Write path to search libraries }
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HPath:=TStringListItem(current_module.locallibrarysearchpath.First);
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while assigned(HPath) do
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begin
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LinkRes.Add('-L'+HPath.Str);
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HPath:=TStringListItem(HPath.Next);
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end;
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HPath:=TStringListItem(LibrarySearchPath.First);
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while assigned(HPath) do
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begin
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LinkRes.Add('-L'+HPath.Str);
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HPath:=TStringListItem(HPath.Next);
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end;
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{ add objectfiles, start with prt0 always }
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LinkRes.AddFileName(FindObjectFile('prt0',''));
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while not ObjectFiles.Empty do
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begin
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s:=ObjectFiles.GetFirst;
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if s<>'' then
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LinkRes.AddFileName(s);
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end;
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{ Write staticlibraries }
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if not StaticLibFiles.Empty then
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begin
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LinkRes.Add('-(');
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While not StaticLibFiles.Empty do
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begin
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S:=StaticLibFiles.GetFirst;
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LinkRes.AddFileName(s)
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end;
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LinkRes.Add('-)');
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end;
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{ Write sharedlibraries like -l<lib>, also add the needed dynamic linker
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here to be sure that it gets linked this is needed for glibc2 systems (PFV) }
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linklibc:=false;
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While not SharedLibFiles.Empty do
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begin
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S:=SharedLibFiles.GetFirst;
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if s<>'c' then
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begin
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i:=Pos(target_info.sharedlibext,S);
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if i>0 then
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Delete(S,i,255);
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LinkRes.Add('-l'+s);
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end
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else
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begin
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LinkRes.Add('-l'+s);
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linklibc:=true;
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end;
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end;
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{ be sure that libc&libgcc is the last lib }
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if linklibc then
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begin
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LinkRes.Add('-lc');
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LinkRes.Add('-lgcc');
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end;
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{ Write and Close response }
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linkres.writetodisk;
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LinkRes.Free;
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WriteResponseFile:=True;
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end;
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function TLinkergo32v1.MakeExecutable:boolean;
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var
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binstr,
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cmdstr : string;
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success : boolean;
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StripStr : string[40];
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begin
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if not(cs_link_extern in aktglobalswitches) then
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Message1(exec_i_linking,current_module.exefilename^);
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{ Create some replacements }
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StripStr:='';
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if (cs_link_strip in aktglobalswitches) then
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StripStr:='-s';
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{ Write used files and libraries }
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WriteResponseFile(false);
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{ Call linker }
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SplitBinCmd(Info.ExeCmd[1],binstr,cmdstr);
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Replace(cmdstr,'$EXE',current_module.exefilename^);
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Replace(cmdstr,'$OPT',Info.ExtraOptions);
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Replace(cmdstr,'$RES',outputexedir+Info.ResName);
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Replace(cmdstr,'$STRIP',StripStr);
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success:=DoExec(FindUtil(BinStr),cmdstr,true,false);
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{ Remove ReponseFile }
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if (success) and not(cs_link_extern in aktglobalswitches) then
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RemoveFile(outputexedir+Info.ResName);
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MakeExecutable:=success; { otherwise a recursive call to link method }
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end;
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{*****************************************************************************
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Initialize
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*****************************************************************************}
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const
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target_i386_go32v1_info : ttargetinfo =
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(
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target : target_i386_GO32V1;
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name : 'GO32 V1 DOS extender';
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shortname : 'Go32v1';
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flags : [];
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cpu : i386;
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unit_env : 'GO32V1UNITS';
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extradefines : 'DPMI';
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sourceext : '.pp';
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pasext : '.pas';
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exeext : ''; { No .exe, the linker only output a.out ! }
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defext : '.def';
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scriptext : '.bat';
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smartext : '.sl';
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unitext : '.pp1';
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unitlibext : '.ppl';
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asmext : '.s1';
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objext : '.o1';
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resext : '.res';
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resobjext : '.o1r';
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sharedlibext : '.dll';
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staticlibext : '.a';
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staticlibprefix : '';
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sharedlibprefix : '';
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sharedClibext : '.dll';
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staticClibext : '.a';
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staticClibprefix : '';
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sharedClibprefix : '';
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Cprefix : '_';
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newline : #13#10;
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dirsep : '\';
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files_case_relevent : false;
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assem : as_i386_as;
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assemextern : as_i386_as;
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link : ld_i386_go32v1;
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linkextern : ld_i386_go32v1;
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ar : ar_gnu_ar;
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res : res_none;
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script : script_dos;
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endian : endian_little;
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alignment :
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(
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procalign : 4;
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loopalign : 0;
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jumpalign : 0;
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constalignmin : 0;
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constalignmax : 1;
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varalignmin : 0;
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varalignmax : 1;
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localalignmin : 0;
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localalignmax : 1;
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paraalign : 2;
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recordalignmin : 0;
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recordalignmax : 2;
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maxCrecordalign : 4
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);
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size_of_pointer : 4;
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size_of_longint : 4;
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heapsize : 2048*1024;
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maxheapsize : 32768*1024;
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stacksize : 16384;
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DllScanSupported:false;
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use_bound_instruction : false;
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use_function_relative_addresses : true
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);
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initialization
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RegisterLinker(ld_i386_go32v1,TLinkerGo32v1);
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RegisterTarget(target_i386_go32v1_info);
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end.
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{
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$Log$
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Revision 1.11 2001-09-18 11:32:00 michael
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* Fixes win32 linking problems with import libraries
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* LINKLIB Libraries are now looked for using C file extensions
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* get_exepath fix
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Revision 1.10 2001/09/17 21:29:16 peter
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* merged netbsd, fpu-overflow from fixes branch
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Revision 1.9 2001/08/19 11:22:24 peter
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* palmos support from v10 merged
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Revision 1.8 2001/08/07 18:47:15 peter
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* merged netbsd start
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* profile for win32
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Revision 1.7 2001/07/01 20:16:20 peter
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* alignmentinfo record added
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* -Oa argument supports more alignment settings that can be specified
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per type: PROC,LOOP,VARMIN,VARMAX,CONSTMIN,CONSTMAX,RECORDMIN
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RECORDMAX,LOCALMIN,LOCALMAX. It is possible to set the mimimum
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required alignment and the maximum usefull alignment. The final
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alignment will be choosen per variable size dependent on these
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settings
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Revision 1.6 2001/06/28 19:46:25 peter
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* added override and virtual for constructors
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Revision 1.5 2001/06/03 15:15:31 peter
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* dllprt0 stub for linux shared libs
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* pass -init and -fini for linux shared libs
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* libprefix splitted into staticlibprefix and sharedlibprefix
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Revision 1.4 2001/06/02 19:22:44 peter
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* extradefines field added
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Revision 1.3 2001/04/18 22:02:04 peter
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* registration of targets and assemblers
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Revision 1.2 2001/04/13 01:22:21 peter
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* symtable change to classes
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* range check generation and errors fixed, make cycle DEBUG=1 works
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* memory leaks fixed
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Revision 1.1 2001/02/26 19:43:11 peter
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* moved target units to subdir
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Revision 1.5 2000/12/25 00:07:30 peter
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+ new tlinkedlist class (merge of old tstringqueue,tcontainer and
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tlinkedlist objects)
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Revision 1.4 2000/09/24 15:06:30 peter
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* use defines.inc
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Revision 1.3 2000/08/27 16:11:54 peter
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* moved some util functions from globals,cobjects to cutils
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* splitted files into finput,fmodule
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Revision 1.2 2000/07/13 11:32:50 michael
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+ removed logs
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}
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