mirror of
https://gitlab.com/freepascal.org/fpc/source.git
synced 2025-04-05 11:38:19 +02:00
465 lines
13 KiB
ObjectPascal
465 lines
13 KiB
ObjectPascal
{
|
|
Copyright (c) 2005-2020 by Free Pascal Compiler team
|
|
|
|
This unit implements support import, export, link routines
|
|
for the ZX Spectrum 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_zxspectrum;
|
|
|
|
{$i fpcdefs.inc}
|
|
|
|
interface
|
|
|
|
|
|
implementation
|
|
|
|
uses
|
|
SysUtils,
|
|
cutils,cfileutl,cclasses,
|
|
globtype,globals,systems,verbose,comphook,cscript,fmodule,i_zxspectrum,link,
|
|
cpuinfo,ogbase,ogrel,owar;
|
|
|
|
const
|
|
DefaultOrigin=23800;
|
|
|
|
type
|
|
|
|
{ sdld - the sdld linker from the SDCC project ( http://sdcc.sourceforge.net/ ) }
|
|
{ vlink - the vlink linker by Frank Wille (http://sun.hasenbraten.de/vlink/ ) }
|
|
|
|
TLinkerZXSpectrum=class(texternallinker)
|
|
private
|
|
FOrigin: Word;
|
|
Function WriteResponseFile_Sdld: Boolean;
|
|
Function WriteResponseFile_Vlink: Boolean;
|
|
|
|
procedure SetDefaultInfo_Sdld;
|
|
procedure SetDefaultInfo_Vlink;
|
|
function MakeExecutable_Sdld: boolean;
|
|
function MakeExecutable_Vlink: boolean;
|
|
public
|
|
procedure SetDefaultInfo; override;
|
|
function MakeExecutable: boolean; override;
|
|
procedure InitSysInitUnitName; override;
|
|
|
|
function postprocessexecutable(const fn : string;isdll:boolean): boolean;
|
|
end;
|
|
|
|
{ TInternalLinkerZXSpectrum }
|
|
|
|
TInternalLinkerZXSpectrum=class(tinternallinker)
|
|
private
|
|
FOrigin: Word;
|
|
protected
|
|
procedure DefaultLinkScript;override;
|
|
public
|
|
constructor create;override;
|
|
procedure InitSysInitUnitName;override;
|
|
function MakeExecutable: boolean; override;
|
|
function postprocessexecutable(const fn : string): boolean;
|
|
end;
|
|
|
|
|
|
{*****************************************************************************
|
|
TLinkerZXSpectrum
|
|
*****************************************************************************}
|
|
|
|
function TLinkerZXSpectrum.WriteResponseFile_Sdld: Boolean;
|
|
Var
|
|
linkres : TLinkRes;
|
|
s : TCmdStr;
|
|
prtobj: string[80];
|
|
begin
|
|
result:=False;
|
|
prtobj:='prt0';
|
|
|
|
{ Open link.res file }
|
|
LinkRes:=TLinkRes.Create(outputexedir+Info.ResName,true);
|
|
|
|
{ Write the origin (i.e. the program load address) }
|
|
LinkRes.Add('-b _CODE='+tostr(FOrigin));
|
|
|
|
if not (target_info.system in systems_internal_sysinit) and (prtobj <> '') then
|
|
begin
|
|
s:=FindObjectFile(prtobj,'',false);
|
|
LinkRes.AddFileName(s);
|
|
end;
|
|
|
|
while not ObjectFiles.Empty do
|
|
begin
|
|
s:=ObjectFiles.GetFirst;
|
|
if s<>'' then
|
|
begin
|
|
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
|
|
while not StaticLibFiles.Empty do
|
|
begin
|
|
S:=StaticLibFiles.GetFirst;
|
|
LinkRes.Add('-l'+maybequoted(s));
|
|
end;
|
|
end;
|
|
|
|
{ Write and Close response }
|
|
linkres.writetodisk;
|
|
linkres.free;
|
|
|
|
result:=True;
|
|
end;
|
|
|
|
function TLinkerZXSpectrum.WriteResponseFile_Vlink: Boolean;
|
|
Var
|
|
linkres : TLinkRes;
|
|
s : TCmdStr;
|
|
prtobj: string[80];
|
|
begin
|
|
result:=false;
|
|
prtobj:='prt0';
|
|
|
|
{ Open link.res file }
|
|
LinkRes:=TLinkRes.Create(outputexedir+Info.ResName,true);
|
|
if (source_info.dirsep <> '/') then
|
|
LinkRes.fForceUseForwardSlash:=true;
|
|
|
|
LinkRes.Add('INPUT (');
|
|
|
|
if not (target_info.system in systems_internal_sysinit) and (prtobj <> '') then
|
|
begin
|
|
s:=FindObjectFile(prtobj,'',false);
|
|
LinkRes.AddFileName(maybequoted(s));
|
|
end;
|
|
|
|
while not ObjectFiles.Empty do
|
|
begin
|
|
s:=ObjectFiles.GetFirst;
|
|
if s<>'' then
|
|
begin
|
|
s:=FindObjectFile(s,'',false);
|
|
LinkRes.AddFileName(maybequoted(s));
|
|
end;
|
|
end;
|
|
|
|
while not StaticLibFiles.Empty do
|
|
begin
|
|
S:=StaticLibFiles.GetFirst;
|
|
LinkRes.AddFileName(maybequoted(s));
|
|
end;
|
|
|
|
LinkRes.Add(')');
|
|
|
|
with LinkRes do
|
|
begin
|
|
Add('');
|
|
Add('SECTIONS');
|
|
Add('{');
|
|
Add(' . = 0x'+hexstr(FOrigin,4)+';');
|
|
Add(' .text : { *(.text .text.* _CODE _CODE.* ) }');
|
|
Add(' .data : { *(.data .data.* .rodata .rodata.* .fpc.* ) }');
|
|
Add(' .bss : { *(_BSS _BSS.*) *(.bss .bss.*) *(_BSSEND _BSSEND.*) *(_HEAP _HEAP.*) *(.stack .stack.*) *(_STACK _STACK.*) }');
|
|
Add('}');
|
|
end;
|
|
|
|
{ Write and Close response }
|
|
linkres.writetodisk;
|
|
linkres.free;
|
|
|
|
result:=true;
|
|
end;
|
|
|
|
procedure TLinkerZXSpectrum.SetDefaultInfo_Sdld;
|
|
const
|
|
ExeName='sdldz80';
|
|
begin
|
|
if ImageBaseSetExplicity then
|
|
FOrigin:=ImageBase
|
|
else
|
|
FOrigin:=DefaultOrigin;
|
|
with Info do
|
|
begin
|
|
ExeCmd[1]:=ExeName+' -n $OPT -i $MAP $EXE -f $RES'
|
|
end;
|
|
end;
|
|
|
|
procedure TLinkerZXSpectrum.SetDefaultInfo_Vlink;
|
|
const
|
|
ExeName='vlink';
|
|
begin
|
|
if ImageBaseSetExplicity then
|
|
FOrigin:=ImageBase
|
|
else
|
|
FOrigin:=DefaultOrigin;
|
|
with Info do
|
|
begin
|
|
ExeCmd[1]:=ExeName+' -bihex $GCSECTIONS -e $STARTSYMBOL $STRIP $OPT $MAP -o $EXE -T $RES'
|
|
end;
|
|
end;
|
|
|
|
procedure TLinkerZXSpectrum.SetDefaultInfo;
|
|
begin
|
|
if not (cs_link_vlink in current_settings.globalswitches) then
|
|
SetDefaultInfo_Sdld
|
|
else
|
|
SetDefaultInfo_Vlink;
|
|
end;
|
|
|
|
function TLinkerZXSpectrum.MakeExecutable_Sdld: boolean;
|
|
var
|
|
binstr,
|
|
cmdstr,
|
|
mapstr: TCmdStr;
|
|
success : boolean;
|
|
StaticStr,
|
|
//GCSectionsStr,
|
|
DynLinkStr,
|
|
StripStr,
|
|
FixedExeFileName: string;
|
|
begin
|
|
{ for future use }
|
|
StaticStr:='';
|
|
StripStr:='';
|
|
mapstr:='';
|
|
DynLinkStr:='';
|
|
FixedExeFileName:=maybequoted(ScriptFixFileName(ChangeFileExt(current_module.exefilename,'.ihx')));
|
|
|
|
if (cs_link_map in current_settings.globalswitches) then
|
|
mapstr:='-mw';
|
|
|
|
{ Write used files and libraries }
|
|
WriteResponseFile_Sdld();
|
|
|
|
{ Call linker }
|
|
SplitBinCmd(Info.ExeCmd[1],binstr,cmdstr);
|
|
Replace(cmdstr,'$OPT',Info.ExtraOptions);
|
|
|
|
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,'$DYNLINK',DynLinkStr);
|
|
|
|
success:=DoExec(FindUtil(utilsprefix+BinStr),cmdstr,true,false);
|
|
|
|
{ Remove ReponseFile }
|
|
if success and not(cs_link_nolink in current_settings.globalswitches) then
|
|
DeleteFile(outputexedir+Info.ResName);
|
|
|
|
{ Post process }
|
|
if success and not(cs_link_nolink in current_settings.globalswitches) then
|
|
success:=PostProcessExecutable(FixedExeFileName,false);
|
|
|
|
result:=success; { otherwise a recursive call to link method }
|
|
end;
|
|
|
|
function TLinkerZXSpectrum.MakeExecutable_Vlink: boolean;
|
|
var
|
|
binstr,
|
|
cmdstr: TCmdStr;
|
|
success: boolean;
|
|
GCSectionsStr,
|
|
StripStr,
|
|
StartSymbolStr,
|
|
MapStr,
|
|
FixedExeFilename: string;
|
|
begin
|
|
GCSectionsStr:='-gc-all -mtype';
|
|
StripStr:='';
|
|
MapStr:='';
|
|
StartSymbolStr:='start';
|
|
FixedExeFileName:=maybequoted(ScriptFixFileName(ChangeFileExt(current_module.exefilename,'.ihx')));
|
|
|
|
if (cs_link_map in current_settings.globalswitches) then
|
|
MapStr:='-M'+maybequoted(ScriptFixFileName(current_module.mapfilename));
|
|
|
|
{ Write used files and libraries }
|
|
WriteResponseFile_Vlink();
|
|
|
|
{ Call linker }
|
|
SplitBinCmd(Info.ExeCmd[1],binstr,cmdstr);
|
|
Replace(cmdstr,'$OPT',Info.ExtraOptions);
|
|
|
|
Replace(cmdstr,'$EXE',FixedExeFileName);
|
|
Replace(cmdstr,'$RES',(maybequoted(ScriptFixFileName(outputexedir+Info.ResName))));
|
|
Replace(cmdstr,'$MAP',MapStr);
|
|
Replace(cmdstr,'$STRIP',StripStr);
|
|
Replace(cmdstr,'$STARTSYMBOL',StartSymbolStr);
|
|
Replace(cmdstr,'$GCSECTIONS',GCSectionsStr);
|
|
|
|
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);
|
|
|
|
result:=success;
|
|
end;
|
|
|
|
function TLinkerZXSpectrum.MakeExecutable: boolean;
|
|
begin
|
|
if not (cs_link_vlink in current_settings.globalswitches) then
|
|
result:=MakeExecutable_Sdld
|
|
else
|
|
result:=MakeExecutable_Vlink;
|
|
end;
|
|
|
|
|
|
procedure TLinkerZXSpectrum.InitSysInitUnitName;
|
|
begin
|
|
sysinitunit:='si_prc';
|
|
end;
|
|
|
|
function TLinkerZXSpectrum.postprocessexecutable(const fn: string; isdll: boolean): boolean;
|
|
begin
|
|
result:=DoExec(FindUtil(utilsprefix+'ihxutil'),' '+fn,true,false);
|
|
end;
|
|
|
|
|
|
{*****************************************************************************
|
|
TInternalLinkerZXSpectrum
|
|
*****************************************************************************}
|
|
|
|
procedure TInternalLinkerZXSpectrum.DefaultLinkScript;
|
|
var
|
|
s : TCmdStr;
|
|
prtobj: string[80];
|
|
begin
|
|
prtobj:='prt0';
|
|
|
|
if not (target_info.system in systems_internal_sysinit) and (prtobj <> '') then
|
|
LinkScript.Concat('READOBJECT ' + maybequoted(FindObjectFile(prtobj,'',false)));
|
|
|
|
while not ObjectFiles.Empty do
|
|
begin
|
|
s:=ObjectFiles.GetFirst;
|
|
if s<>'' then
|
|
begin
|
|
if not(cs_link_on_target in current_settings.globalswitches) then
|
|
s:=FindObjectFile(s,'',false);
|
|
LinkScript.Concat('READOBJECT ' + maybequoted(s));
|
|
end;
|
|
end;
|
|
|
|
LinkScript.Concat('GROUP');
|
|
{ Write staticlibraries }
|
|
if not StaticLibFiles.Empty then
|
|
begin
|
|
while not StaticLibFiles.Empty do
|
|
begin
|
|
S:=StaticLibFiles.GetFirst;
|
|
if s<>'' then
|
|
LinkScript.Concat('READSTATICLIBRARY '+MaybeQuoted(s));
|
|
end;
|
|
end;
|
|
LinkScript.Concat('ENDGROUP');
|
|
|
|
LinkScript.Concat('IMAGEBASE '+tostr(FOrigin));
|
|
|
|
LinkScript.Concat('EXESECTION .text');
|
|
LinkScript.Concat(' OBJSECTION _CODE');
|
|
LinkScript.Concat('ENDEXESECTION');
|
|
LinkScript.Concat('EXESECTION .data');
|
|
LinkScript.Concat(' OBJSECTION _DATA');
|
|
LinkScript.Concat('ENDEXESECTION');
|
|
LinkScript.Concat('EXESECTION .bss');
|
|
LinkScript.Concat(' OBJSECTION _BSS');
|
|
LinkScript.Concat(' OBJSECTION _BSSEND');
|
|
LinkScript.Concat(' OBJSECTION _HEAP');
|
|
LinkScript.Concat(' OBJSECTION _STACK');
|
|
LinkScript.Concat('ENDEXESECTION');
|
|
|
|
LinkScript.Concat('ENTRYNAME start');
|
|
end;
|
|
|
|
constructor TInternalLinkerZXSpectrum.create;
|
|
begin
|
|
inherited create;
|
|
CArObjectReader:=TArObjectReader;
|
|
CExeOutput:=TZXSpectrumIntelHexExeOutput;
|
|
CObjInput:=TRelObjInput;
|
|
if ImageBaseSetExplicity then
|
|
FOrigin:=ImageBase
|
|
else
|
|
FOrigin:=DefaultOrigin;
|
|
end;
|
|
|
|
procedure TInternalLinkerZXSpectrum.InitSysInitUnitName;
|
|
begin
|
|
sysinitunit:='si_prc';
|
|
end;
|
|
|
|
function TInternalLinkerZXSpectrum.MakeExecutable: boolean;
|
|
begin
|
|
result:=inherited;
|
|
{ Post process }
|
|
if result and not(cs_link_nolink in current_settings.globalswitches) then
|
|
result:=PostProcessExecutable(current_module.exefilename);
|
|
end;
|
|
|
|
function TInternalLinkerZXSpectrum.postprocessexecutable(const fn: string): boolean;
|
|
var
|
|
exitcode: longint;
|
|
FoundBin: ansistring;
|
|
Found: Boolean;
|
|
utilexe: TCmdStr;
|
|
begin
|
|
result:=false;
|
|
|
|
utilexe:=utilsprefix+'ihxutil';
|
|
FoundBin:='';
|
|
Found:=false;
|
|
if utilsdirectory<>'' then
|
|
Found:=FindFile(utilexe,utilsdirectory,false,Foundbin);
|
|
if (not Found) then
|
|
Found:=FindExe(utilexe,false,Foundbin);
|
|
|
|
if Found then
|
|
begin
|
|
Message1(exec_t_using_util,FoundBin);
|
|
exitcode:=RequotedExecuteProcess(foundbin,' '+fn);
|
|
result:=exitcode<>0;
|
|
end
|
|
else
|
|
begin
|
|
Message1(exec_e_util_not_found,utilexe);
|
|
end;
|
|
end;
|
|
|
|
{*****************************************************************************
|
|
Initialize
|
|
*****************************************************************************}
|
|
|
|
initialization
|
|
{$ifdef z80}
|
|
RegisterLinker(ld_int_zxspectrum,TInternalLinkerZXSpectrum);
|
|
RegisterLinker(ld_zxspectrum,TLinkerZXSpectrum);
|
|
RegisterTarget(system_z80_zxspectrum_info);
|
|
{$endif z80}
|
|
end.
|