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{
$Id: t_macos.pas,v 1.23 2005/05/14 12:15:18 olle Exp $
Copyright (c) 2001-2002 by Peter Vreman
This unit implements support import,export,link routines for MacOS.
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_macos;
{$i fpcdefs.inc}
interface
uses
import,symsym,symdef,link;
type
timportlibmacos=class(timportlib)
procedure preparelib(const s:string);override;
procedure importprocedure(aprocdef:tprocdef;const module:string;index:longint;const name:string);override;
procedure importvariable(vs:tglobalvarsym;const name,module:string);override;
procedure generatelib;override;
end;
tlinkermpw=class(texternallinker)
private
Function WriteResponseFile(isdll:boolean) : Boolean;
public
constructor Create;override;
procedure SetDefaultInfo;override;
function MakeExecutable:boolean;override;
end;
implementation
uses
cutils,cclasses,
globtype,globals,systems,verbose,script,fmodule,i_macos,
symconst;
{*****************************************************************************
TIMPORTLIBMACOS
*****************************************************************************}
procedure timportlibmacos.preparelib(const s : string);
begin
end;
procedure timportlibmacos.importprocedure(aprocdef:tprocdef;const module:string;index:longint;const name:string);
begin
{ insert sharedlibrary }
current_module.linkothersharedlibs.add(SplitName(module),link_allways);
end;
procedure timportlibmacos.importvariable(vs:tglobalvarsym;const name,module:string);
begin
{ insert sharedlibrary }
current_module.linkothersharedlibs.add(SplitName(module),link_allways);
{ reset the mangledname and turn off the dll_var option }
vs.set_mangledname(name);
exclude(vs.varoptions,vo_is_dll_var);
end;
procedure timportlibmacos.generatelib;
begin
end;
{*****************************************************************************
TLINKERMPW
*****************************************************************************}
Constructor TLinkerMPW.Create;
begin
Inherited Create;
//LibrarySearchPath.AddPath('/lib;/usr/lib;/usr/X11R6/lib',true);
end;
procedure TLinkerMPW.SetDefaultInfo;
begin
with Info do
begin
ExeCmd[1]:='Execute $RES'; {The link.res file contains the whole link command.}
//ExeCmd[1]:='PPCLink $OPT $DYNLINK $STATIC $STRIP -tocdataref off -dead on -o $EXE -@filelist $RES';
//DllCmd[1]:='PPCLink $OPT $INIT $FINI $SONAME -shared -o $EXE -@filelist $RES';
end;
end;
Function TLinkerMPW.WriteResponseFile(isdll:boolean) : Boolean;
Var
linkres : TLinkRes;
s,heapsizestr: string;
begin
WriteResponseFile:=False;
{ Open link.res file }
linkRes:=TLinkRes.Create(outputexedir+Info.ResName);
with linkRes do
begin
{#182 is escape char in MPW (analog to backslash in unix). The space}
{ensures there is whitespace separating items.}
Add('PPCLink '#182);
{ Add MPW standard libraries}
if apptype = app_cui then
Add('"{PPCLibraries}PPCSIOW.o" '#182);
{Even GUI apps must link to PPCToolLibs, because of the System unit
which can be used by MPW tools as well as by GUI apps.}
Add('"{PPCLibraries}PPCToolLibs.o" '#182);
Add('"{SharedLibraries}InterfaceLib" '#182);
Add('"{SharedLibraries}StdCLib" '#182);
Add('"{SharedLibraries}MathLib" '#182);
Add('"{PPCLibraries}StdCRuntime.o" '#182);
Add('"{PPCLibraries}PPCCRuntime.o" '#182);
{Add main objectfiles}
while not ObjectFiles.Empty do
begin
s:=ObjectFiles.GetFirst;
if s<>'' then
Add(s+' '#182);
end;
{Add last lines of the link command}
if apptype = app_tool then
Add('-t "MPST" -c "MPS " '#182);
if apptype = app_cui then {If SIOW, to avoid some warnings.}
Add('-ignoredups __start -ignoredups .__start -ignoredups main -ignoredups .main -ignoredups qd '#182);
Add('-tocdataref off -sym on -dead on -o '+ ScriptFixFileName(current_module.exefilename^));
Add('Exit If "{Status}" != 0');
if heapsize = 0 then
heapsizestr:= HexStr(384000, 8)
else
heapsizestr:= HexStr(heapsize, 8);
{Add a SIZE resource on the fly. It controls:
* backgrounding is enabled, to facilitate debuging with Power Mac Debugger
* it is signaled it is a 32 bit app. (perhaps not nessecary on PowerPC)
* heapsize }
if apptype <> app_tool then
begin
Add('Echo "data ''SIZE'' (-1) '#182'{ $'#182'"1080 ' + heapsizestr + ' ' + heapsizestr +
#182'" '#182'};" | Rez -a -o ' + ScriptFixFileName(current_module.exefilename^));
Add('Exit If "{Status}" != 0');
end;
{Add mac resources}
if apptype = app_cui then
begin
Add('Rez -a "{RIncludes}"SIOW.r -o ' + ScriptFixFileName(current_module.exefilename^));
Add('Exit If "{Status}" != 0');
end;
while not (current_module.ResourceFiles.Empty) do
begin
s := Current_module.ResourceFiles.GetFirst;
if Copy(s,Length(s)-1,Length(s)) = '.r' then
Add('Rez -a ' + s + ' -o ' + ScriptFixFileName(current_module.exefilename^))
else
Add('DeRez ' + s + ' | Rez -a -o ' + ScriptFixFileName(current_module.exefilename^));
Add('Exit If "{Status}" != 0');
end;
end;
{ Write and Close response }
linkres.writetodisk;
linkres.Free;
WriteResponseFile:=True;
end;
function TLinkerMPW.MakeExecutable:boolean;
var
binstr,
cmdstr : string;
success : boolean;
DynLinkStr : string[60];
StaticStr,
StripStr : string[40];
s: string;
begin
//TODO Only external link in MPW is possible, otherwise yell.
if not(cs_link_extern in aktglobalswitches) then
Message1(exec_i_linking,current_module.exefilename^);
{ Create some replacements }
StripStr:='';
(*
StaticStr:='';
DynLinkStr:='';
if (cs_link_staticflag in aktglobalswitches) then
StaticStr:='-static';
if (cs_link_strip in aktglobalswitches) then
StripStr:='-s';
If (cs_profile in aktmoduleswitches) or
((Info.DynamicLinker<>'') and (not SharedLibFiles.Empty)) then
DynLinkStr:='-dynamic-linker='+Info.DynamicLinker;
*)
{ Prepare linking }
SplitBinCmd(Info.ExeCmd[1],binstr,cmdstr);
Replace(cmdstr,'$EXE',maybequoted(ScriptFixFileName(current_module.exefilename^)));
Replace(cmdstr,'$OPT',Info.ExtraOptions);
Replace(cmdstr,'$RES',maybequoted(ScriptFixFileName(outputexedir+Info.ResName)));
Replace(cmdstr,'$STATIC',StaticStr);
Replace(cmdstr,'$STRIP',StripStr);
Replace(cmdstr,'$DYNLINK',DynLinkStr);
WriteResponseFile(false);
success:= true;
if cs_link_on_target in aktglobalswitches then
success:=DoExec('SetFile', ' -c ''MPS '' -t ''TEXT'' ' +
ScriptFixFileName(outputexedir+Info.ResName),true,false);
{ Call linker }
if success then
success:=DoExec('Execute',CmdStr,true,false);
{ Remove ReponseFile }
if (success) and not(cs_link_extern in aktglobalswitches) then
RemoveFile(outputexedir+Info.ResName);
MakeExecutable:=success; { otherwise a recursive call to link method }
end;
{*****************************************************************************
Initialize
*****************************************************************************}
initialization
{$ifdef m68k}
RegisterTarget(system_m68k_macos_info);
RegisterImport(system_m68k_macos,timportlibmacos);
{$endif m68k}
{$ifdef powerpc}
RegisterExternalLinker(system_powerpc_macos_info,TLinkerMPW);
RegisterTarget(system_powerpc_macos_info);
RegisterImport(system_powerpc_macos,timportlibmacos);
{$endif powerpc}
end.
{
$Log: t_macos.pas,v $
Revision 1.23 2005/05/14 12:15:18 olle
* Fix small issue for link script
Revision 1.22 2005/03/25 21:55:43 jonas
* removed some unused variables
Revision 1.21 2005/02/14 17:13:10 peter
* truncate log
Revision 1.20 2005/02/08 22:30:32 olle
+ added SIZE resource facilities
Revision 1.19 2005/01/24 17:53:12 olle
+ Mac style resource files can now be included in MacOS
Revision 1.18 2005/01/09 16:35:41 olle
+ linker response file is now removed after linking
}
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