+ initial support for the sdcc-sdld linker for the z80-embedded target

git-svn-id: branches/z80@44602 -
This commit is contained in:
nickysn 2020-04-05 17:46:06 +00:00
parent fffeb56a55
commit e73a57652f

View File

@ -46,6 +46,18 @@ implementation
function postprocessexecutable(const fn : string;isdll:boolean):boolean;
end;
{ TlinkerEmbedded_SdccSdld - the sdld linker from the SDCC project ( http://sdcc.sourceforge.net/ ) }
TlinkerEmbedded_SdccSdld=class(texternallinker)
private
Function WriteResponseFile: Boolean;
public
{ constructor Create; override;}
procedure SetDefaultInfo; override;
function MakeExecutable:boolean; override;
{ function postprocessexecutable(const fn : string;isdll:boolean):boolean;}
end;
{*****************************************************************************
@ -1801,6 +1813,250 @@ function TLinkerEmbedded.postprocessexecutable(const fn : string;isdll:boolean):
end;
{*****************************************************************************
TlinkerEmbedded_SdccSdld
*****************************************************************************}
function TlinkerEmbedded_SdccSdld.WriteResponseFile: Boolean;
Var
linkres : TLinkRes;
i : longint;
HPath : TCmdStrListItem;
s,s1,s2 : TCmdStr;
prtobj,
cprtobj : string[80];
linklibc : boolean;
found1,
found2 : boolean;
{$if defined(ARM)}
LinkStr : string;
{$endif}
begin
WriteResponseFile:=False;
linklibc:=(SharedLibFiles.Find('c')<>nil);
prtobj:='prt0';
cprtobj:='cprt0';
if linklibc then
prtobj:=cprtobj;
{ Open link.res file }
LinkRes:=TLinkRes.Create(outputexedir+Info.ResName,true);
{ Write path to search libraries }
(* HPath:=TCmdStrListItem(current_module.locallibrarysearchpath.First);
while assigned(HPath) do
begin
s:=HPath.Str;
if (cs_link_on_target in current_settings.globalswitches) then
s:=ScriptFixFileName(s);
LinkRes.Add('-L'+s);
HPath:=TCmdStrListItem(HPath.Next);
end;
HPath:=TCmdStrListItem(LibrarySearchPath.First);
while assigned(HPath) do
begin
s:=HPath.Str;
if s<>'' then
LinkRes.Add('SEARCH_DIR("'+s+'")');
HPath:=TCmdStrListItem(HPath.Next);
end;
LinkRes.Add('INPUT (');
{ add objectfiles, start with prt0 always }*)
//s:=FindObjectFile('prt0','',false);
if prtobj<>'' then
begin
s:=FindObjectFile(prtobj,'',false);
LinkRes.AddFileName(s);
end;
{ try to add crti and crtbegin if linking to C }
if linklibc then
begin
if librarysearchpath.FindFile('crtbegin.o',false,s) then
LinkRes.AddFileName(s);
if librarysearchpath.FindFile('crti.o',false,s) then
LinkRes.AddFileName(s);
end;
while not ObjectFiles.Empty do
begin
s:=ObjectFiles.GetFirst;
if s<>'' then
begin
{ vlink doesn't use SEARCH_DIR for object files }
if not(cs_link_on_target in current_settings.globalswitches) then
s:=FindObjectFile(s,'',false);
LinkRes.AddFileName((maybequoted(s)));
end;
end;
{ Write staticlibraries }
if not StaticLibFiles.Empty then
begin
{ vlink doesn't need, and doesn't support GROUP }
{ if (cs_link_on_target in current_settings.globalswitches) then
begin
LinkRes.Add(')');
LinkRes.Add('GROUP(');
end;}
while not StaticLibFiles.Empty do
begin
S:=StaticLibFiles.GetFirst;
LinkRes.AddFileName((maybequoted(s)));
end;
end;
(* if (cs_link_on_target in current_settings.globalswitches) then
begin
LinkRes.Add(')');
{ 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.GetFirst;
if s<>'c' then
begin
i:=Pos(target_info.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;
end
else
begin
while not SharedLibFiles.Empty do
begin
S:=SharedLibFiles.GetFirst;
LinkRes.Add('lib'+s+target_info.staticlibext);
end;
LinkRes.Add(')');
end;*)
{ objects which must be at the end }
(*if linklibc then
begin
found1:=librarysearchpath.FindFile('crtend.o',false,s1);
found2:=librarysearchpath.FindFile('crtn.o',false,s2);
if found1 or found2 then
begin
LinkRes.Add('INPUT(');
if found1 then
LinkRes.AddFileName(s1);
if found2 then
LinkRes.AddFileName(s2);
LinkRes.Add(')');
end;
end;*)
{ Write and Close response }
linkres.writetodisk;
linkres.free;
WriteResponseFile:=True;
end;
procedure TlinkerEmbedded_SdccSdld.SetDefaultInfo;
begin
with Info do
begin
ExeCmd[1]:='sdcc-sdld -i $EXE -f $RES'
//-g '+platform_select+' $OPT $DYNLINK $STATIC $GCSECTIONS $STRIP $MAP -L. -o $EXE -T $RES';
end;
end;
function TlinkerEmbedded_SdccSdld.MakeExecutable: boolean;
var
binstr,
cmdstr,
mapstr: TCmdStr;
success : boolean;
StaticStr,
GCSectionsStr,
DynLinkStr,
StripStr,
FixedExeFileName: string;
begin
{ for future use }
StaticStr:='';
StripStr:='';
mapstr:='';
DynLinkStr:='';
FixedExeFileName:=maybequoted(ScriptFixFileName(ChangeFileExt(current_module.exefilename,'.elf')));
(* GCSectionsStr:='--gc-sections';
//if not(cs_link_extern in current_settings.globalswitches) then
if not(cs_link_nolink in current_settings.globalswitches) then
Message1(exec_i_linking,current_module.exefilename);
if (cs_link_map in current_settings.globalswitches) then
mapstr:='-Map '+maybequoted(ChangeFileExt(current_module.exefilename,'.map'));*)
{ Write used files and libraries }
WriteResponseFile();
{ Call linker }
SplitBinCmd(Info.ExeCmd[1],binstr,cmdstr);
Replace(cmdstr,'$OPT',Info.ExtraOptions);
if not(cs_link_on_target in current_settings.globalswitches) then
begin
Replace(cmdstr,'$EXE',FixedExeFileName);
Replace(cmdstr,'$RES',(maybequoted(ScriptFixFileName(outputexedir+Info.ResName))));
Replace(cmdstr,'$STATIC',StaticStr);
Replace(cmdstr,'$STRIP',StripStr);
Replace(cmdstr,'$MAP',mapstr);
Replace(cmdstr,'$GCSECTIONS',GCSectionsStr);
Replace(cmdstr,'$DYNLINK',DynLinkStr);
end
else
begin
Replace(cmdstr,'$EXE',FixedExeFileName);
Replace(cmdstr,'$RES',maybequoted(ScriptFixFileName(outputexedir+Info.ResName)));
Replace(cmdstr,'$STATIC',StaticStr);
Replace(cmdstr,'$STRIP',StripStr);
Replace(cmdstr,'$MAP',mapstr);
Replace(cmdstr,'$GCSECTIONS',GCSectionsStr);
Replace(cmdstr,'$DYNLINK',DynLinkStr);
end;
success:=DoExec(FindUtil(utilsprefix+BinStr),cmdstr,true,false);
(* { Remove ReponseFile }
if success and not(cs_link_nolink in current_settings.globalswitches) then
DeleteFile(outputexedir+Info.ResName);
{ Post process }
if success and not(cs_link_nolink in current_settings.globalswitches) then
success:=PostProcessExecutable(FixedExeFileName,false);
if success and (target_info.system in [system_arm_embedded,system_avr_embedded,system_mipsel_embedded,system_xtensa_embedded]) then
begin
success:=DoExec(FindUtil(utilsprefix+'objcopy'),'-O ihex '+
FixedExeFileName+' '+
maybequoted(ScriptFixFileName(ChangeFileExt(current_module.exefilename,'.hex'))),true,false);
if success then
success:=DoExec(FindUtil(utilsprefix+'objcopy'),'-O binary '+
FixedExeFileName+' '+
maybequoted(ScriptFixFileName(ChangeFileExt(current_module.exefilename,'.bin'))),true,false);
end;
MakeExecutable:=success; { otherwise a recursive call to link method }*)
end;
{*****************************************************************************
Initialize
*****************************************************************************}
@ -1860,7 +2116,7 @@ initialization
{$endif xtensa}
{$ifdef z80}
RegisterLinker(ld_embedded,TLinkerEmbedded);
RegisterLinker(ld_embedded,TlinkerEmbedded_SdccSdld);
RegisterTarget(system_z80_embedded_info);
{$endif z80}
end.