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			782 lines
		
	
	
		
			27 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
			
		
		
	
	
			782 lines
		
	
	
		
			27 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
{
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    This unit implements support import,export,link routines
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    for the (arm) Nintendo DS target
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    Copyright (c) 2001-2002 by Peter Vreman
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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_nds;
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{$i fpcdefs.inc}
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interface
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implementation
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    uses
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       aasmbase,
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       SysUtils,
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       cutils,cfileutl,cclasses,
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       globtype,globals,systems,verbose,script,fmodule,i_nds,link;
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    type
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       TlinkerNDS=class(texternallinker)
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       private
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          Function  WriteResponseFile: 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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{*****************************************************************************
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                                  TLINKERNDS
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*****************************************************************************}
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Constructor TLinkerNDS.Create;
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begin
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  Inherited Create;
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  SharedLibFiles.doubles:=true;
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  StaticLibFiles.doubles:=true;
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  // set arm9 as default apptype
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  if (apptype <> app_arm9) or (apptype <> app_arm7) then
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    apptype := app_arm9;
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end;
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procedure TLinkerNDS.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 -g $OPT $DYNLINK $STATIC $GCSECTIONS $STRIP -L. -o $EXE -T $RES';
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   end;
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end;
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Function TLinkerNDS.WriteResponseFile: Boolean;
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Var
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  linkres  : TLinkRes;
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  i        : longint;
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  HPath    : TCmdStrListItem;
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  s,s1,s2  : TCmdStr;
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  prtobj, 
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  cprtobj  : string[80];
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  linklibc,
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  linklibgcc : boolean;
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  found1,
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  found2   : boolean;  
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begin
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  WriteResponseFile:=False;
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  linklibc:=(SharedLibFiles.Find('c')<>nil);
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  linklibgcc:=(SharedLibFiles.Find('gcc')<>nil);
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  case apptype of
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    app_arm9:
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      begin
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        prtobj:='prt09';
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        cprtobj:='cprt09';
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      end;
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    app_arm7:
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      begin
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        prtobj:='prt07';
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        cprtobj:='cprt07';
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      end;
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  end;
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  if (linklibc or linklibgcc) then
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    prtobj:=cprtobj;
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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:=TCmdStrListItem(current_module.locallibrarysearchpath.First);
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  while assigned(HPath) do
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   begin
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    s:=HPath.Str;
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    if (cs_link_on_target in current_settings.globalswitches) then
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     s:=ScriptFixFileName(s);
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    LinkRes.Add('-L'+s);
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    HPath:=TCmdStrListItem(HPath.Next);
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   end;
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  HPath:=TCmdStrListItem(LibrarySearchPath.First);
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  while assigned(HPath) do
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   begin
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    s:=HPath.Str;
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    if s<>'' then
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     LinkRes.Add('SEARCH_DIR('+(maybequoted(s))+')');
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    HPath:=TCmdStrListItem(HPath.Next);
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   end;
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  LinkRes.Add('INPUT (');
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  { add objectfiles, start with prt0 always }
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  if prtobj<>'' then
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   s:=FindObjectFile(prtobj,'',false);
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  LinkRes.AddFileName(s);
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  { try to add crti and crtbegin if linking to C }
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  if linklibc then
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   begin
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     if librarysearchpath.FindFile('crti.o',false,s) then
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      LinkRes.AddFileName(s);
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   end;
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  if linklibgcc then
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   begin
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     if librarysearchpath.FindFile('crtbegin.o',false,s) then
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       LinkRes.AddFileName(s);
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   end;
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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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     begin
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      { vlink doesn't use SEARCH_DIR for object files }
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      if not(cs_link_on_target in current_settings.globalswitches) then
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       s:=FindObjectFile(s,'',false);
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      LinkRes.AddFileName((maybequoted(s)));
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     end;
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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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    { vlink doesn't need, and doesn't support GROUP }
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    if (cs_link_on_target in current_settings.globalswitches) then
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     begin
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      LinkRes.Add(')');
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      LinkRes.Add('GROUP(');
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     end;
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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((maybequoted(s)));
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     end;
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   end;
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  if (cs_link_on_target in current_settings.globalswitches) then
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   begin
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    LinkRes.Add(')');
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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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    linklibgcc:=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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        linklibgcc:=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 linklibgcc then
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     begin
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      LinkRes.Add('-lgcc');
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     end;
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    if linklibc then
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     begin
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      LinkRes.Add('-lc');
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     end;
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   end
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  else
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   begin
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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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      LinkRes.Add('lib'+s+target_info.staticlibext);
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     end;
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    LinkRes.Add(')');
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   end;
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  { objects which must be at the end }
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  if linklibgcc then
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   begin
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     found1:=librarysearchpath.FindFile('crtend.o',false,s1);
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     if found1 then
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      begin
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        LinkRes.Add('INPUT(');
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        if found1 then
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         LinkRes.AddFileName(s1);
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        LinkRes.Add(')');
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      end;
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   end;   
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  if linklibc then
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   begin
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     found2:=librarysearchpath.FindFile('crtn.o',false,s2);
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     if found2 then
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      begin
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        LinkRes.Add('INPUT(');
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        if found2 then
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         LinkRes.AddFileName(s2);
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        LinkRes.Add(')');
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      end;
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   end;   
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  with linkres do
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    begin
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      if apptype=app_arm9 then //ARM9
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      begin
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        add('OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")');
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        add('OUTPUT_ARCH(arm)');
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        add('ENTRY(_start)');
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        add('');
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        add('MEMORY {');
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        add('');
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        add('	rom	: ORIGIN = 0x08000000, LENGTH = 32M');
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        add('	ewram	: ORIGIN = 0x02000000, LENGTH = 4M - 4k');
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        add('	dtcm	: ORIGIN = 0x0b000000, LENGTH = 16K');
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        add('	vectors : ORIGIN = 0x01000000, LENGTH = 256');
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        add('	itcm    : ORIGIN = 0x01000100, LENGTH = 32K - 256');
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        add('}');
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        add('');
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        add('__vectors_start = ORIGIN(vectors);');
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        add('__itcm_start	=	ORIGIN(itcm);');
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        add('__ewram_end	=	ORIGIN(ewram) + LENGTH(ewram);');
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        add('__eheap_end	=	ORIGIN(ewram) + LENGTH(ewram);');
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        add('__dtcm_start	=	ORIGIN(dtcm);');
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        add('__dtcm_top	=	ORIGIN(dtcm) + LENGTH(dtcm);');
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        add('__irq_flags	=	__dtcm_top - 0x08;');
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        add('__irq_vector	=	__dtcm_top - 0x04;');
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        add('');
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        add('__sp_svc	=	__dtcm_top - 0x100;');
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        add('__sp_irq	=	__sp_svc - 0x100;');
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        add('__sp_usr	=	__sp_irq - 0x100;');
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        add('');
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        add('SECTIONS');
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        add('{');
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        add('	.init	:');
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        add('	{');
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        add('		__text_start = . ;');
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        add('		KEEP (*(.init))');
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        add('		. = ALIGN(4);  /* REQUIRED. LD is flaky without it. */');
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        add('		} >ewram = 0xff');
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        add('');
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        add('	.plt : { *(.plt) } >ewram = 0xff');
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        add('');
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        add('	.text :   /* ALIGN (4): */');
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        add('	{');
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        add('		*(EXCLUDE_FILE (*.itcm*) .text)');
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        add('');
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        add('		*(.text.*)');
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        add('		*(.stub)');
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        add('		/* .gnu.warning sections are handled specially by elf32.em.  */');
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        add('		*(.gnu.warning)');
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        add('		*(.gnu.linkonce.t*)');
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        add('		*(.glue_7)');
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        add('		*(.glue_7t)');
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        add('		. = ALIGN(4);  /* REQUIRED. LD is flaky without it. */');
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        add('	} >ewram = 0xff');
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        add('');
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        add('	.fini           :');
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        add('	{');
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        add('		KEEP (*(.fini))');
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        add('	} >ewram =0xff');
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        add('');
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        add('	__text_end = . ;');
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        add('');
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        add('	.rodata :');
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        add('	{');
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        add('		*(.rodata)');
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        add('		*all.rodata*(*)');
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        add('		*(.roda)');
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        add('		*(.rodata.*)');
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        add('		*(.gnu.linkonce.r*)');
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        add('		SORT(CONSTRUCTORS)');
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        add('		. = ALIGN(4);   /* REQUIRED. LD is flaky without it. */');
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        add('	} >ewram = 0xff');
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        add('');
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        add('  .ARM.extab   : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >ewram');
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        add('   __exidx_start = .;');
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        add('  .ARM.exidx   : { *(.ARM.exidx* .gnu.linkonce.armexidx.*) } >ewram');
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        add('   __exidx_end = .;');
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        add('  /* Ensure the __preinit_array_start label is properly aligned.  We');
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        add('     could instead move the label definition inside the section, but');
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        add('     the linker would then create the section even if it turns out to');
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        add('     be empty, which isn''t pretty.  */');
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        add('  . = ALIGN(32 / 8);');
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        add('  PROVIDE (__preinit_array_start = .);');
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        add('  .preinit_array     : { KEEP (*(.preinit_array)) } >ewram = 0xff');
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        add('  PROVIDE (__preinit_array_end = .);');
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        add('  PROVIDE (__init_array_start = .);');
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        add('  .init_array     : { KEEP (*(.init_array)) } >ewram = 0xff');
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        add('  PROVIDE (__init_array_end = .);');
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        add('  PROVIDE (__fini_array_start = .);');
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        add('  .fini_array     : { KEEP (*(.fini_array)) } >ewram = 0xff');
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        add('  PROVIDE (__fini_array_end = .);');
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        add('');
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        add('	.ctors :');
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        add('	{');
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        add('	/* gcc uses crtbegin.o to find the start of the constructors, so');
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        add('		we make sure it is first.  Because this is a wildcard, it');
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        add('		doesn''t matter if the user does not actually link against');
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        add('		crtbegin.o; the linker won''t look for a file to match a');
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        add('		wildcard.  The wildcard also means that it doesn''t matter which');
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        add('		directory crtbegin.o is in.  */');
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        add('		KEEP (*crtbegin.o(.ctors))');
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        add('		KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))');
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        add('		KEEP (*(SORT(.ctors.*)))');
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        add('		KEEP (*(.ctors))');
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        add('		. = ALIGN(4);   /* REQUIRED. LD is flaky without it. */');
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        add('	} >ewram = 0xff');
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        add('');
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        add('	.dtors :');
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        add('	{');
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        add('		KEEP (*crtbegin.o(.dtors))');
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        add('		KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))');
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						|
        add('		KEEP (*(SORT(.dtors.*)))');
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						|
        add('		KEEP (*(.dtors))');
 | 
						|
        add('		. = ALIGN(4);   /* REQUIRED. LD is flaky without it. */');
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						|
        add('	} >ewram = 0xff');
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						|
        add('');
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						|
        add('	.eh_frame :');
 | 
						|
        add('	{');
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						|
        add('		KEEP (*(.eh_frame))');
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						|
        add('		. = ALIGN(4);   /* REQUIRED. LD is flaky without it. */');
 | 
						|
        add('	} >ewram = 0xff');
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						|
        add('');
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						|
        add('	.gcc_except_table :');
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						|
        add('	{');
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						|
        add('		*(.gcc_except_table)');
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						|
        add('		. = ALIGN(4);   /* REQUIRED. LD is flaky without it. */');
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						|
        add('	} >ewram = 0xff');
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						|
        add('	.jcr            : { KEEP (*(.jcr)) } >ewram = 0');
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						|
        add('	.got            : { *(.got.plt) *(.got) *(.rel.got) } >ewram = 0');
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						|
        add('');
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						|
        add('	.ewram ALIGN(4) : ');
 | 
						|
        add('	{');
 | 
						|
        add('		__ewram_start = ABSOLUTE(.) ;');
 | 
						|
        add('		*(.ewram)');
 | 
						|
        add('		*ewram.*(.text)');
 | 
						|
        add('		. = ALIGN(4);   /* REQUIRED. LD is flaky without it. */');
 | 
						|
        add('	} >ewram = 0xff');
 | 
						|
        add('');
 | 
						|
        add('');
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						|
        add('	.data ALIGN(4) :');
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						|
        add('	{');
 | 
						|
        add('		__data_start = ABSOLUTE(.);');
 | 
						|
        add('		*(.data)');
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						|
        add('		*(.data.*)');
 | 
						|
        add('		*(.gnu.linkonce.d*)');
 | 
						|
        add('		*(.fpc*)');
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						|
        add('		CONSTRUCTORS');
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						|
        add('		. = ALIGN(4);');
 | 
						|
        add('		__data_end = ABSOLUTE(.) ;');
 | 
						|
        add('	} >ewram = 0xff');
 | 
						|
        add('');
 | 
						|
        add('');
 | 
						|
        add('	__dtcm_lma = . ;');
 | 
						|
        add('	__bss_vma = . ;');
 | 
						|
        add('');
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						|
        add('	.dtcm __dtcm_start : AT (__dtcm_lma)');
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						|
        add('	{');
 | 
						|
        add('		*(.dtcm)');
 | 
						|
        add('		*(.dtcm.*)');
 | 
						|
        add('		. = ALIGN(4);');
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						|
        add('		__dtcm_end = ABSOLUTE(.);');
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						|
        add('	} >dtcm = 0xff');
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						|
        add('');
 | 
						|
        add('');
 | 
						|
        add('	__itcm_lma = __dtcm_lma + SIZEOF(.dtcm);');
 | 
						|
        add('');
 | 
						|
        add('	.itcm __itcm_start : AT (__itcm_lma)');
 | 
						|
        add('	{');
 | 
						|
        add('		*(.itcm)');
 | 
						|
        add('		*itcm.*(.text)');
 | 
						|
        add('		. = ALIGN(4);');
 | 
						|
        add('		__itcm_end = ABSOLUTE(.);');
 | 
						|
        add('	} >itcm = 0xff');
 | 
						|
        add('');
 | 
						|
 | 
						|
        add(' __vectors_lma = __itcm_lma + SIZEOF(.itcm);');
 | 
						|
        add(' .vectors __vectors_start : AT (__vectors_lma)');
 | 
						|
        add(' {');
 | 
						|
        add('   *(.vectors)');
 | 
						|
        add('   *vectors.*(.text)');
 | 
						|
        add('   . = ALIGN(4);');
 | 
						|
        add('   __vectors_end = ABSOLUTE(.);');
 | 
						|
        add(' } >vectors = 0xff');
 | 
						|
        add('');
 | 
						|
        add(' .sbss __dtcm_end (NOLOAD):');
 | 
						|
        add('	{');
 | 
						|
        add('		__sbss_start = ABSOLUTE(.);');
 | 
						|
        add('		__sbss_start__ = ABSOLUTE(.);');
 | 
						|
        add('		*(.sbss)');
 | 
						|
        add('		. = ALIGN(4);    /* REQUIRED. LD is flaky without it. */');
 | 
						|
        add('		__sbss_end = ABSOLUTE(.);');
 | 
						|
        add('	} >dtcm');
 | 
						|
        add('');
 | 
						|
        add('');
 | 
						|
        add('');
 | 
						|
        add('	.bss __bss_vma (NOLOAD):');
 | 
						|
        add('	{');
 | 
						|
        add('		__bss_start = ABSOLUTE(.);');
 | 
						|
        add('		__bss_start__ = ABSOLUTE(.);');
 | 
						|
        add('		*(.dynbss)');
 | 
						|
        add('		*(.gnu.linkonce.b*)');
 | 
						|
        add('		*(.bss*)');
 | 
						|
        add('		*(COMMON)');
 | 
						|
        add('		. = ALIGN(4);    /* REQUIRED. LD is flaky without it. */');
 | 
						|
        add('		__bss_end = ABSOLUTE(.) ;');
 | 
						|
        add('		__bss_end__ = __bss_end ;');
 | 
						|
        add('	} AT>ewram');
 | 
						|
        add('');
 | 
						|
        add('');
 | 
						|
        add(' _end = __bss_end__ ;');
 | 
						|
        add(' __end__ = __bss_end__ ;');
 | 
						|
        add('');
 | 
						|
        add('');
 | 
						|
        add('');
 | 
						|
        add('	/* Stabs debugging sections.  */');
 | 
						|
        add('	.stab 0 : { *(.stab) }');
 | 
						|
        add('	.stabstr 0 : { *(.stabstr) }');
 | 
						|
        add('	.stab.excl 0 : { *(.stab.excl) }');
 | 
						|
        add('	.stab.exclstr 0 : { *(.stab.exclstr) }');
 | 
						|
        add('	.stab.index 0 : { *(.stab.index) }');
 | 
						|
        add('	.stab.indexstr 0 : { *(.stab.indexstr) }');
 | 
						|
        add('	.comment 0 : { *(.comment) }');
 | 
						|
        add('	/*	DWARF debug sections.');
 | 
						|
        add('		Symbols in the DWARF debugging sections are relative to the beginning');
 | 
						|
        add('		of the section so we begin them at 0.  */');
 | 
						|
        add('	/* DWARF 1 */');
 | 
						|
        add('	.debug          0 : { *(.debug) }');
 | 
						|
        add('	.line           0 : { *(.line) }');
 | 
						|
        add('	/* GNU DWARF 1 extensions */');
 | 
						|
        add('	.debug_srcinfo  0 : { *(.debug_srcinfo) }');
 | 
						|
        add('	.debug_sfnames  0 : { *(.debug_sfnames) }');
 | 
						|
        add('	/* DWARF 1.1 and DWARF 2 */');
 | 
						|
        add('	.debug_aranges  0 : { *(.debug_aranges) }');
 | 
						|
        add('	.debug_pubnames 0 : { *(.debug_pubnames) }');
 | 
						|
        add('	/* DWARF 2 */');
 | 
						|
        add('	.debug_info     0 : { *(.debug_info) }');
 | 
						|
        add('	.debug_abbrev   0 : { *(.debug_abbrev) }');
 | 
						|
        add('	.debug_line     0 : { *(.debug_line) }');
 | 
						|
        add('	.debug_frame    0 : { *(.debug_frame) }');
 | 
						|
        add('	.debug_str      0 : { *(.debug_str) }');
 | 
						|
        add('	.debug_loc      0 : { *(.debug_loc) }');
 | 
						|
        add('	.debug_macinfo  0 : { *(.debug_macinfo) }');
 | 
						|
        add('	/* SGI/MIPS DWARF 2 extensions */');
 | 
						|
        add('	.debug_weaknames 0 : { *(.debug_weaknames) }');
 | 
						|
        add('	.debug_funcnames 0 : { *(.debug_funcnames) }');
 | 
						|
        add('	.debug_typenames 0 : { *(.debug_typenames) }');
 | 
						|
        add('	.debug_varnames  0 : { *(.debug_varnames) }');
 | 
						|
        add('	.stack 0x80000 : { _stack = .; *(.stack) }');
 | 
						|
        add('	/* These must appear regardless of  .  */');
 | 
						|
        add('}');
 | 
						|
      end;
 | 
						|
      if apptype=app_arm7 then
 | 
						|
      begin
 | 
						|
        add('OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")');
 | 
						|
        add('OUTPUT_ARCH(arm)');
 | 
						|
        add('ENTRY(_start)');
 | 
						|
        add('');
 | 
						|
        add('MEMORY {');
 | 
						|
        add('');
 | 
						|
        add('	rom	  : ORIGIN = 0x08000000, LENGTH = 32M');
 | 
						|
        add('	iwram : ORIGIN = 0x037f8000, LENGTH = 96K');
 | 
						|
        add('}');
 | 
						|
        add('');
 | 
						|
        add('__iwram_start	=	ORIGIN(iwram);');
 | 
						|
        add('__iwram_top	=	ORIGIN(iwram)+ LENGTH(iwram);');
 | 
						|
        add('__sp_irq	=	__iwram_top - 0x60;');
 | 
						|
        add('__sp_svc	=	__sp_irq - 0x100;');
 | 
						|
        add('__sp_usr	=	__sp_svc - 0x100;');
 | 
						|
        add('');
 | 
						|
        add('__irq_flags	=	__iwram_top - 8;');
 | 
						|
        add('__irq_vector	=	__iwram_top - 4;');
 | 
						|
        add('');
 | 
						|
        add('SECTIONS');
 | 
						|
        add('{');
 | 
						|
        add('	.init	:');
 | 
						|
        add('	{');
 | 
						|
        add('		__text_start = . ;');
 | 
						|
        add('		KEEP (*(.init))');
 | 
						|
        add('		. = ALIGN(4);  /* REQUIRED. LD is flaky without it. */');
 | 
						|
        add('		} >iwram = 0xff');
 | 
						|
        add('	.plt : { *(.plt) } >iwram = 0xff');
 | 
						|
        add('');
 | 
						|
        add('	.text :   /* ALIGN (4): */');
 | 
						|
        add('	{');
 | 
						|
        add('');
 | 
						|
        add('   *(.text .stub .text.* .gnu.linkonce.t.*)');
 | 
						|
        add('   KEEP (*(.text.*personality*))');        
 | 
						|
        add('		/* .gnu.warning sections are handled specially by elf32.em.  */');
 | 
						|
        add('		*(.gnu.warning)');
 | 
						|
        add('		*(.glue_7t) *(.glue_7) *(.vfp11_veneer)');
 | 
						|
        add('		. = ALIGN(4);  /* REQUIRED. LD is flaky without it. */');
 | 
						|
        add('	} >iwram = 0xff');
 | 
						|
        add('');
 | 
						|
        add('	.fini           :');
 | 
						|
        add('	{');
 | 
						|
        add('		KEEP (*(.fini))');
 | 
						|
        add('	} >iwram =0xff');
 | 
						|
        add('');
 | 
						|
        add('	__text_end = . ;');
 | 
						|
        add('');
 | 
						|
        add('	.rodata :');
 | 
						|
        add('	{');
 | 
						|
        add('		*(.rodata)');
 | 
						|
        add('		*all.rodata*(*)');
 | 
						|
        add('		*(.roda)');
 | 
						|
        add('		*(.rodata.*)');
 | 
						|
        add('		*(.gnu.linkonce.r*)');
 | 
						|
        add('		SORT(CONSTRUCTORS)');
 | 
						|
        add('		. = ALIGN(4);   /* REQUIRED. LD is flaky without it. */');
 | 
						|
        add('	} >iwram = 0xff');
 | 
						|
        add('');
 | 
						|
        add('	.ARM.extab   : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >iwram');
 | 
						|
        add('	__exidx_start = .;');
 | 
						|
        add('	.ARM.exidx   : { *(.ARM.exidx* .gnu.linkonce.armexidx.*) } >iwram');
 | 
						|
        add('	__exidx_end = .;');
 | 
						|
        add('');
 | 
						|
        add('/* Ensure the __preinit_array_start label is properly aligned.  We');
 | 
						|
        add('   could instead move the label definition inside the section, but');
 | 
						|
        add('   the linker would then create the section even if it turns out to');
 | 
						|
        add('   be empty, which isn''t pretty.  */');
 | 
						|
        add('	. = ALIGN(32 / 8);');
 | 
						|
        add('	PROVIDE (__preinit_array_start = .);');
 | 
						|
        add('	.preinit_array     : { KEEP (*(.preinit_array)) } >iwram = 0xff');
 | 
						|
        add('	PROVIDE (__preinit_array_end = .);');
 | 
						|
        add('	PROVIDE (__init_array_start = .);');
 | 
						|
        add('	.init_array     : { KEEP (*(.init_array)) } >iwram = 0xff');
 | 
						|
        add('	PROVIDE (__init_array_end = .);');
 | 
						|
        add('	PROVIDE (__fini_array_start = .);');
 | 
						|
        add('	.fini_array     : { KEEP (*(.fini_array)) } >iwram = 0xff');
 | 
						|
        add('	PROVIDE (__fini_array_end = .);');
 | 
						|
        add('');
 | 
						|
        add('	.ctors :');
 | 
						|
        add('	{');
 | 
						|
        add('	/* gcc uses crtbegin.o to find the start of the constructors, so');
 | 
						|
        add('		we make sure it is first.  Because this is a wildcard, it');
 | 
						|
        add('		doesn''t matter if the user does not actually link against');
 | 
						|
        add('		crtbegin.o; the linker won''t look for a file to match a');
 | 
						|
        add('		wildcard.  The wildcard also means that it doesn''t matter which');
 | 
						|
        add('		directory crtbegin.o is in.  */');
 | 
						|
        add('		KEEP (*crtbegin.o(.ctors))');
 | 
						|
        add('		KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))');
 | 
						|
        add('		KEEP (*(SORT(.ctors.*)))');
 | 
						|
        add('		KEEP (*(.ctors))');
 | 
						|
        add('		. = ALIGN(4);   /* REQUIRED. LD is flaky without it. */');
 | 
						|
        add('	} >iwram = 0xff');
 | 
						|
        add('');
 | 
						|
        add('	.dtors :');
 | 
						|
        add('	{');
 | 
						|
        add('		KEEP (*crtbegin.o(.dtors))');
 | 
						|
        add('		KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))');
 | 
						|
        add('		KEEP (*(SORT(.dtors.*)))');
 | 
						|
        add('		KEEP (*(.dtors))');
 | 
						|
        add('		. = ALIGN(4);   /* REQUIRED. LD is flaky without it. */');
 | 
						|
        add('	} >iwram = 0xff');
 | 
						|
        add('');
 | 
						|
        add('	.eh_frame :');
 | 
						|
        add('	{');
 | 
						|
        add('		KEEP (*(.eh_frame))');
 | 
						|
        add('		. = ALIGN(4);   /* REQUIRED. LD is flaky without it. */');
 | 
						|
        add('	} >iwram = 0xff');
 | 
						|
        add('');
 | 
						|
        add('	.gcc_except_table :');
 | 
						|
        add('	{');
 | 
						|
        add('		*(.gcc_except_table)');
 | 
						|
        add('		. = ALIGN(4);   /* REQUIRED. LD is flaky without it. */');
 | 
						|
        add('	} >iwram = 0xff');
 | 
						|
        add('	.jcr            : { KEEP (*(.jcr)) } >iwram = 0');
 | 
						|
        add('	.got            : { *(.got.plt) *(.got) } >iwram = 0');
 | 
						|
        add('');
 | 
						|
        add('');
 | 
						|
        add('	.iwram ALIGN(4) :');
 | 
						|
        add('	{');
 | 
						|
        add('		__iwram_start = ABSOLUTE(.) ;');
 | 
						|
        add('		*(.iwram)');
 | 
						|
        add('		*iwram.*(.text)');
 | 
						|
        add('		. = ALIGN(4);   /* REQUIRED. LD is flaky without it. */');
 | 
						|
        add('		__iwram_end = ABSOLUTE(.) ;');
 | 
						|
        add('	} >iwram = 0xff');
 | 
						|
        add('');
 | 
						|
        add('');
 | 
						|
        add('	.data ALIGN(4) : 	{');
 | 
						|
        add('		__data_start = ABSOLUTE(.);');
 | 
						|
        add('		*(.data)');
 | 
						|
        add('		*(.data.*)');
 | 
						|
        add('		*(.gnu.linkonce.d*)');
 | 
						|
        add('		*(.fpc*)');
 | 
						|
        add('		CONSTRUCTORS');
 | 
						|
        add('		. = ALIGN(4);');
 | 
						|
        add('		__data_end = ABSOLUTE(.) ;');
 | 
						|
        add('	} >iwram = 0xff');
 | 
						|
        add('');
 | 
						|
        add('');
 | 
						|
        add('');
 | 
						|
        add('	.bss ALIGN(4) :');
 | 
						|
        add('	{');
 | 
						|
        add('		__bss_start = ABSOLUTE(.);');
 | 
						|
        add('		__bss_start__ = ABSOLUTE(.);');
 | 
						|
        add('		*(.dynbss)');
 | 
						|
        add('		*(.gnu.linkonce.b*)');
 | 
						|
        add('		*(.bss*)');
 | 
						|
        add('		*(COMMON)');
 | 
						|
        add('		. = ALIGN(4);    /* REQUIRED. LD is flaky without it. */');
 | 
						|
        add('	} >iwram');
 | 
						|
        add('');
 | 
						|
        add('	__bss_end = . ;');
 | 
						|
        add('	__bss_end__ = . ;');
 | 
						|
        add('');
 | 
						|
        add('	_end = . ;');
 | 
						|
        add('	__end__ = . ;');
 | 
						|
        add('	PROVIDE (end = _end);');
 | 
						|
        add('');
 | 
						|
        add('	/* Stabs debugging sections.  */');
 | 
						|
        add('	.stab 0 : { *(.stab) }');
 | 
						|
        add('	.stabstr 0 : { *(.stabstr) }');
 | 
						|
        add('	.stab.excl 0 : { *(.stab.excl) }');
 | 
						|
        add('	.stab.exclstr 0 : { *(.stab.exclstr) }');
 | 
						|
        add('	.stab.index 0 : { *(.stab.index) }');
 | 
						|
        add('	.stab.indexstr 0 : { *(.stab.indexstr) }');
 | 
						|
        add('	.comment 0 : { *(.comment) }');
 | 
						|
        add('	/*	DWARF debug sections.');
 | 
						|
        add('		Symbols in the DWARF debugging sections are relative to the beginning');
 | 
						|
        add('		of the section so we begin them at 0.  */');
 | 
						|
        add('	/* DWARF 1 */');
 | 
						|
        add('	.debug          0 : { *(.debug) }');
 | 
						|
        add('	.line           0 : { *(.line) }');
 | 
						|
        add('	/* GNU DWARF 1 extensions */');
 | 
						|
        add('	.debug_srcinfo  0 : { *(.debug_srcinfo) }');
 | 
						|
        add('	.debug_sfnames  0 : { *(.debug_sfnames) }');
 | 
						|
        add('	/* DWARF 1.1 and DWARF 2 */');
 | 
						|
        add('	.debug_aranges  0 : { *(.debug_aranges) }');
 | 
						|
        add('	.debug_pubnames 0 : { *(.debug_pubnames) }');
 | 
						|
        add('	/* DWARF 2 */');
 | 
						|
        add('	.debug_info     0 : { *(.debug_info) }');
 | 
						|
        add('	.debug_abbrev   0 : { *(.debug_abbrev) }');
 | 
						|
        add('	.debug_line     0 : { *(.debug_line) }');
 | 
						|
        add('	.debug_frame    0 : { *(.debug_frame) }');
 | 
						|
        add('	.debug_str      0 : { *(.debug_str) }');
 | 
						|
        add('	.debug_loc      0 : { *(.debug_loc) }');
 | 
						|
        add('	.debug_macinfo  0 : { *(.debug_macinfo) }');
 | 
						|
        add('	/* SGI/MIPS DWARF 2 extensions */');
 | 
						|
        add('	.debug_weaknames 0 : { *(.debug_weaknames) }');
 | 
						|
        add('	.debug_funcnames 0 : { *(.debug_funcnames) }');
 | 
						|
        add('	.debug_typenames 0 : { *(.debug_typenames) }');
 | 
						|
        add('	.debug_varnames  0 : { *(.debug_varnames) }');
 | 
						|
        add('	.stack 0x80000 : { _stack = .; *(.stack) }');
 | 
						|
        add('	/* These must appear regardless of  .  */');
 | 
						|
        add('}');
 | 
						|
      end;
 | 
						|
    end;
 | 
						|
 | 
						|
{ Write and Close response }
 | 
						|
  linkres.writetodisk;
 | 
						|
  linkres.free;
 | 
						|
 | 
						|
  WriteResponseFile:=True;
 | 
						|
 | 
						|
end;
 | 
						|
 | 
						|
 | 
						|
function TLinkerNDS.MakeExecutable:boolean;
 | 
						|
var
 | 
						|
  binstr,
 | 
						|
  cmdstr  : TCmdStr;
 | 
						|
  success : boolean;
 | 
						|
  StaticStr,
 | 
						|
  GCSectionsStr,
 | 
						|
  DynLinkStr,
 | 
						|
  MapStr,
 | 
						|
  StripStr: string;
 | 
						|
  preName: string;
 | 
						|
begin
 | 
						|
  { for future use }
 | 
						|
  StaticStr:='';
 | 
						|
  StripStr:='';
 | 
						|
  MapStr:='';
 | 
						|
  DynLinkStr:='';
 | 
						|
  case apptype of
 | 
						|
   app_arm9: preName:='.nef';
 | 
						|
   app_arm7: preName:='.nlf';
 | 
						|
  end;
 | 
						|
 | 
						|
  if (cs_link_strip in current_settings.globalswitches) and
 | 
						|
     not(cs_link_separate_dbg_file in current_settings.globalswitches) then
 | 
						|
   StripStr:='-s';
 | 
						|
  if (cs_link_map in current_settings.globalswitches) then
 | 
						|
   StripStr:='-Map '+maybequoted(ChangeFileExt(current_module.exefilename^,'.map'));
 | 
						|
  if create_smartlink_sections then
 | 
						|
   GCSectionsStr:='--gc-sections';
 | 
						|
  if not(cs_link_nolink in current_settings.globalswitches) then
 | 
						|
   Message1(exec_i_linking,current_module.exefilename^);
 | 
						|
 | 
						|
{ Write used files and libraries }
 | 
						|
  WriteResponseFile();
 | 
						|
 | 
						|
{ Call linker }
 | 
						|
  SplitBinCmd(Info.ExeCmd[1],binstr,cmdstr);
 | 
						|
  Replace(cmdstr,'$OPT',Info.ExtraOptions);
 | 
						|
 | 
						|
  Replace(cmdstr,'$EXE',(maybequoted(ScriptFixFileName(ChangeFileExt(current_module.exefilename^,preName)))));
 | 
						|
  Replace(cmdstr,'$RES',(maybequoted(ScriptFixFileName(outputexedir+Info.ResName))));
 | 
						|
  Replace(cmdstr,'$STATIC',StaticStr);
 | 
						|
  Replace(cmdstr,'$STRIP',StripStr);
 | 
						|
  Replace(cmdstr,'$GCSECTIONS',GCSectionsStr);
 | 
						|
  Replace(cmdstr,'$MAP',MapStr);
 | 
						|
  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 then
 | 
						|
    begin
 | 
						|
      success:=DoExec(FindUtil(utilsprefix + 'objcopy'), '-O binary '+ 
 | 
						|
        ChangeFileExt(current_module.exefilename^, preName) + ' ' + 
 | 
						|
        ChangeFileExt(current_module.exefilename^, preName+target_info.exeext),
 | 
						|
        true,false);
 | 
						|
    end;
 | 
						|
 | 
						|
  if success and (apptype=app_arm9) then 
 | 
						|
    begin
 | 
						|
      success:=DoExec(FindUtil('ndstool'), '-c ' + 
 | 
						|
        ChangeFileExt(current_module.exefilename^, '.nds') + ' -9 ' + 
 | 
						|
        ChangeFileExt(current_module.exefilename^, preName+target_info.exeext),
 | 
						|
        true,false);
 | 
						|
    end;
 | 
						|
  MakeExecutable:=success;   { otherwise a recursive call to link method }
 | 
						|
end;
 | 
						|
 | 
						|
 | 
						|
{*****************************************************************************
 | 
						|
                                     Initialize
 | 
						|
*****************************************************************************}
 | 
						|
 | 
						|
initialization
 | 
						|
  RegisterExternalLinker(system_arm_nds_info,TLinkerNDS);
 | 
						|
  RegisterTarget(system_arm_nds_info);
 | 
						|
end.
 |