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	 c27f9da1b2
			
		
	
	
		c27f9da1b2
		
	
	
	
	
		
			
			rather than with single/double quotes depending on the target platform
    (ld only supports double quotes), and rather than only quoting when
    necessary (wastes time since quotes are always allowed, and double
    quotes inside a directory name cannot be escaped for ld; they are
    simply not supported by the program) (mantis #22059, follow-up to
    r21069 and r21208)
git-svn-id: trunk@21343 -
		
	
			
		
			
				
	
	
		
			911 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
			
		
		
	
	
			911 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
| {
 | |
|     This unit implements support import,export,link routines
 | |
|     for the (arm) GameBoy Advance target
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| 
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|     Copyright (c) 2001-2002 by Peter Vreman
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| 
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|     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
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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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| 
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|     This program is distributed in the hope that it will be useful,
 | |
|     but WITHOUT ANY WARRANTY; without even the implied warranty of
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|     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 | |
|     GNU General Public License for more details.
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| 
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|     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_embed;
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| 
 | |
| {$i fpcdefs.inc}
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| 
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| interface
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| 
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| 
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| implementation
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| 
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|     uses
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|        SysUtils,
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|        cutils,cfileutl,cclasses,
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|        globtype,globals,systems,verbose,comphook,script,fmodule,i_embed,link,
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|        cpuinfo;
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| 
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|     type
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|        TlinkerEmbedded=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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|           function postprocessexecutable(const fn : string;isdll:boolean):boolean;
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|        end;
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| 
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| 
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| 
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| {*****************************************************************************
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|                                   TlinkerEmbedded
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| *****************************************************************************}
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| 
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| Constructor TlinkerEmbedded.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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| end;
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| 
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| 
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| procedure TlinkerEmbedded.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 $RES';
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|    end;
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| end;
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| 
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| 
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| Function TlinkerEmbedded.WriteResponseFile: Boolean;
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| Var
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|   linkres  : TLinkRes;
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|   i        : longint;
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|   HPath    : TCmdStrListItem;
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|   s,s1,s2  : TCmdStr;
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|   prtobj,
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|   cprtobj  : string[80];
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|   linklibc : boolean;
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|   found1,
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|   found2   : boolean;
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| {$ifdef ARM}
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|   LinkStr  : string;
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| {$endif}
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| begin
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|   WriteResponseFile:=False;
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|   linklibc:=(SharedLibFiles.Find('c')<>nil);
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| {$if defined(ARM) or defined(i386) or defined(AVR)}
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|   prtobj:='';
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| {$else}
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|   prtobj:='prt0';
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| {$endif}
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|   cprtobj:='cprt0';
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|   if linklibc then
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|     prtobj:=cprtobj;
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| 
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|   { Open link.res file }
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|   LinkRes:=TLinkRes.Create(outputexedir+Info.ResName,true);
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| 
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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("'+s+'")');
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|     HPath:=TCmdStrListItem(HPath.Next);
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|    end;
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| 
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|   LinkRes.Add('INPUT (');
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|   { add objectfiles, start with prt0 always }
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|   //s:=FindObjectFile('prt0','',false);
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|   if prtobj<>'' then
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|     begin
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|       s:=FindObjectFile(prtobj,'',false);
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|       LinkRes.AddFileName(s);
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|     end;
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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('crtbegin.o',false,s) then
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|       LinkRes.AddFileName(s);
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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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| 
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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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| 
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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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| 
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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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| 
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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;
 | |
|        end;
 | |
|      end;
 | |
|     { 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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|    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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| 
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|   { objects which must be at the end }
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|   if linklibc then
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|    begin
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|      found1:=librarysearchpath.FindFile('crtend.o',false,s1);
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|      found2:=librarysearchpath.FindFile('crtn.o',false,s2);
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|      if found1 or found2 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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|         if found2 then
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|          LinkRes.AddFileName(s2);
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|         LinkRes.Add(')');
 | |
|       end;
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|    end;
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| 
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| {$ifdef ARM}
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|   case current_settings.controllertype of
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|       ct_none:
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|            begin
 | |
|            end;
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|       ct_lpc2114,
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|       ct_lpc2124,
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|       ct_lpc2194,
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|       ct_lpc1768,
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|       ct_at91sam7s256,
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|       ct_at91sam7se256,
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|       ct_at91sam7x256,
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|       ct_at91sam7xc256,
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| 
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|       ct_stm32f103rb,
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|       ct_stm32f103re,
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|       ct_stm32f103c4t,
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| 
 | |
|       { TI - 64 K Flash, 16 K SRAM Devices }
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|       ct_lm3s1110,
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|       ct_lm3s1133,
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|       ct_lm3s1138,
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|       ct_lm3s1150,
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|       ct_lm3s1162,
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|       ct_lm3s1165,
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|       ct_lm3s1166,
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|       ct_lm3s2110,
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|       ct_lm3s2139,
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|       ct_lm3s6100,
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|       ct_lm3s6110,
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| 
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|       { TI 128 K Flash, 32 K SRAM devices - Fury Class }
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|       ct_lm3s1601,
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|       ct_lm3s1608,
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|       ct_lm3s1620,
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|       ct_lm3s1635,
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|       ct_lm3s1636,
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|       ct_lm3s1637,
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|       ct_lm3s1651,
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|       ct_lm3s2601,
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|       ct_lm3s2608,
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|       ct_lm3s2620,
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|       ct_lm3s2637,
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|       ct_lm3s2651,
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|       ct_lm3s6610,
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|       ct_lm3s6611,
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|       ct_lm3s6618,
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|       ct_lm3s6633,
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|       ct_lm3s6637,
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|       ct_lm3s8630,
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| 
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|       { TI 256 K Flase, 32 K SRAM devices - Fury Class }
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|       ct_lm3s1911,
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|       ct_lm3s1918,
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|       ct_lm3s1937,
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|       ct_lm3s1958,
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|       ct_lm3s1960,
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|       ct_lm3s1968,
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|       ct_lm3s1969,
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|       ct_lm3s2911,
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|       ct_lm3s2918,
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|       ct_lm3s2919,
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|       ct_lm3s2939,
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|       ct_lm3s2948,
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|       ct_lm3s2950,
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|       ct_lm3s2965,
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|       ct_lm3s6911,
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|       ct_lm3s6918,
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|       ct_lm3s6938,
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|       ct_lm3s6950,
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|       ct_lm3s6952,
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|       ct_lm3s6965,
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|       ct_lm3s8930,
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|       ct_lm3s8933,
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|       ct_lm3s8938,
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|       ct_lm3s8962,
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|       ct_lm3s8970,
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|       ct_lm3s8971,
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| 
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|       { TI - Tempest Tempest - 256 K Flash, 64 K SRAM }
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|       ct_lm3s5951,
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|       ct_lm3s5956,
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|       ct_lm3s1b21,
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|       ct_lm3s2b93,
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|       ct_lm3s5b91,
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|       ct_lm3s9b81,
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|       ct_lm3s9b90,
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|       ct_lm3s9b92,
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|       ct_lm3s9b95,
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|       ct_lm3s9b96,
 | |
|       ct_sc32442b,
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|       ct_thumb2bare:
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|         begin
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|          with embedded_controllers[current_settings.controllertype] do
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|           with linkres do
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|             begin
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|               Add('ENTRY(_START)');
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|               Add('MEMORY');
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|               Add('{');
 | |
|               if flashsize<>0 then
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|                 begin
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|                   LinkStr := '    flash : ORIGIN = 0x' + IntToHex(flashbase,8)
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|                     + ', LENGTH = 0x' + IntToHex(flashsize,8);
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|                   Add(LinkStr);
 | |
|                 end;
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| 
 | |
|               LinkStr := '    ram : ORIGIN = 0x' + IntToHex(srambase,8)
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|               	+ ', LENGTH = 0x' + IntToHex(sramsize,8);
 | |
|               Add(LinkStr);
 | |
| 
 | |
|               Add('}');
 | |
|               Add('_stack_top = 0x' + IntToHex(sramsize+srambase,8) + ';');
 | |
|             end;
 | |
|         end
 | |
|     else
 | |
|       if not (cs_link_nolink in current_settings.globalswitches) then
 | |
|       	 internalerror(200902011);
 | |
|   end;
 | |
| 
 | |
|   with linkres do
 | |
|     begin
 | |
|       Add('SECTIONS');
 | |
|       Add('{');
 | |
|       Add('     .text :');
 | |
|       Add('    {');
 | |
|       Add('    KEEP(*(.init, .init.*))');
 | |
|       Add('    *(.text, .text.*)');
 | |
|       Add('    *(.strings)');
 | |
|       Add('    *(.rodata, .rodata.*)');
 | |
|       Add('    *(.comment)');
 | |
|       Add('    _etext = .;');
 | |
|       if embedded_controllers[current_settings.controllertype].flashsize<>0 then
 | |
|         begin
 | |
|           Add('    } >flash');
 | |
|         end
 | |
|       else
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|         begin
 | |
|           Add('    } >ram');
 | |
|         end;
 | |
|       Add('    .data :');
 | |
|       Add('    {');
 | |
|       Add('    _data = .;');
 | |
|       Add('    *(.data, .data.*)');
 | |
|       Add('    KEEP (*(.fpc .fpc.n_version .fpc.n_links))');
 | |
|       Add('    _edata = .;');
 | |
|       if embedded_controllers[current_settings.controllertype].flashsize<>0 then
 | |
|         begin
 | |
|           Add('    } >ram AT >flash');
 | |
|         end
 | |
|       else
 | |
|         begin
 | |
|           Add('    } >ram');
 | |
|         end;
 | |
|       Add('    .bss :');
 | |
|       Add('    {');
 | |
|       Add('    _bss_start = .;');
 | |
|       Add('    *(.bss, .bss.*)');
 | |
|       Add('    *(COMMON)');
 | |
|       Add('    } >ram');
 | |
|       Add('. = ALIGN(4);');
 | |
|       Add('_bss_end = . ;');
 | |
|       Add('}');
 | |
|       Add('_end = .;');
 | |
|     end;
 | |
| {$endif ARM}
 | |
| 
 | |
| {$ifdef i386}
 | |
|   with linkres do
 | |
|     begin
 | |
|       Add('ENTRY(_START)');
 | |
|       Add('SECTIONS');
 | |
|       Add('{');
 | |
|       Add('     . = 0x100000;');
 | |
|       Add('     .text ALIGN (0x1000) :');
 | |
|       Add('    {');
 | |
|       Add('    KEEP(*(.init, .init.*))');
 | |
|       Add('    *(.text, .text.*)');
 | |
|       Add('    *(.strings)');
 | |
|       Add('    *(.rodata, .rodata.*)');
 | |
|       Add('    *(.comment)');
 | |
|       Add('    _etext = .;');
 | |
|       Add('    }');
 | |
|       Add('    .data ALIGN (0x1000) :');
 | |
|       Add('    {');
 | |
|       Add('    _data = .;');
 | |
|       Add('    *(.data, .data.*)');
 | |
|       Add('    KEEP (*(.fpc .fpc.n_version .fpc.n_links))');
 | |
|       Add('    _edata = .;');
 | |
|       Add('    }');
 | |
|       Add('    . = ALIGN(4);');
 | |
|       Add('    .bss :');
 | |
|       Add('    {');
 | |
|       Add('    _bss_start = .;');
 | |
|       Add('    *(.bss, .bss.*)');
 | |
|       Add('    *(COMMON)');
 | |
|       Add('    }');
 | |
|       Add('_bss_end = . ;');
 | |
|       Add('}');
 | |
|       Add('_end = .;');
 | |
|     end;
 | |
| {$endif i386}
 | |
| 
 | |
| {$ifdef AVR}
 | |
|   with linkres do
 | |
|     begin
 | |
|       { linker script from ld 2.19 }
 | |
|       Add('ENTRY(_START)');
 | |
|       Add('OUTPUT_FORMAT("elf32-avr","elf32-avr","elf32-avr")');
 | |
|       Add('OUTPUT_ARCH(avr:2)');
 | |
|       Add('MEMORY');
 | |
|       Add('{');
 | |
|       Add('  text      (rx)   : ORIGIN = 0, LENGTH = 8K');
 | |
|       Add('  data      (rw!x) : ORIGIN = 0x800060, LENGTH = 0xffa0');
 | |
|       Add('  eeprom    (rw!x) : ORIGIN = 0x810000, LENGTH = 64K');
 | |
|       Add('  fuse      (rw!x) : ORIGIN = 0x820000, LENGTH = 1K');
 | |
|       Add('  lock      (rw!x) : ORIGIN = 0x830000, LENGTH = 1K');
 | |
|       Add('  signature (rw!x) : ORIGIN = 0x840000, LENGTH = 1K');
 | |
|       Add('}');
 | |
|       Add('SECTIONS');
 | |
|       Add('{');
 | |
|       Add('  /* Read-only sections, merged into text segment: */');
 | |
|       Add('  .hash          : { *(.hash)		}');
 | |
|       Add('  .dynsym        : { *(.dynsym)		}');
 | |
|       Add('  .dynstr        : { *(.dynstr)		}');
 | |
|       Add('  .gnu.version   : { *(.gnu.version)	}');
 | |
|       Add('  .gnu.version_d   : { *(.gnu.version_d)	}');
 | |
|       Add('  .gnu.version_r   : { *(.gnu.version_r)	}');
 | |
|       Add('  .rel.init      : { *(.rel.init)		}');
 | |
|       Add('  .rela.init     : { *(.rela.init)	}');
 | |
|       Add('  .rel.text      :');
 | |
|       Add('    {');
 | |
|       Add('      *(.rel.text)');
 | |
|       Add('      *(.rel.text.*)');
 | |
|       Add('      *(.rel.gnu.linkonce.t*)');
 | |
|       Add('    }');
 | |
|       Add('  .rela.text     :');
 | |
|       Add('    {');
 | |
|       Add('      *(.rela.text)');
 | |
|       Add('      *(.rela.text.*)');
 | |
|       Add('      *(.rela.gnu.linkonce.t*)');
 | |
|       Add('    }');
 | |
|       Add('  .rel.fini      : { *(.rel.fini)		}');
 | |
|       Add('  .rela.fini     : { *(.rela.fini)	}');
 | |
|       Add('  .rel.rodata    :');
 | |
|       Add('    {');
 | |
|       Add('      *(.rel.rodata)');
 | |
|       Add('      *(.rel.rodata.*)');
 | |
|       Add('      *(.rel.gnu.linkonce.r*)');
 | |
|       Add('    }');
 | |
|       Add('  .rela.rodata   :');
 | |
|       Add('    {');
 | |
|       Add('      *(.rela.rodata)');
 | |
|       Add('      *(.rela.rodata.*)');
 | |
|       Add('      *(.rela.gnu.linkonce.r*)');
 | |
|       Add('    }');
 | |
|       Add('  .rel.data      :');
 | |
|       Add('    {');
 | |
|       Add('      *(.rel.data)');
 | |
|       Add('      *(.rel.data.*)');
 | |
|       Add('      *(.rel.gnu.linkonce.d*)');
 | |
|       Add('    }');
 | |
|       Add('  .rela.data     :');
 | |
|       Add('    {');
 | |
|       Add('      *(.rela.data)');
 | |
|       Add('      *(.rela.data.*)');
 | |
|       Add('      *(.rela.gnu.linkonce.d*)');
 | |
|       Add('    }');
 | |
|       Add('  .rel.ctors     : { *(.rel.ctors)	}');
 | |
|       Add('  .rela.ctors    : { *(.rela.ctors)	}');
 | |
|       Add('  .rel.dtors     : { *(.rel.dtors)	}');
 | |
|       Add('  .rela.dtors    : { *(.rela.dtors)	}');
 | |
|       Add('  .rel.got       : { *(.rel.got)		}');
 | |
|       Add('  .rela.got      : { *(.rela.got)		}');
 | |
|       Add('  .rel.bss       : { *(.rel.bss)		}');
 | |
|       Add('  .rela.bss      : { *(.rela.bss)		}');
 | |
|       Add('  .rel.plt       : { *(.rel.plt)		}');
 | |
|       Add('  .rela.plt      : { *(.rela.plt)		}');
 | |
|       Add('  /* Internal text space or external memory.  */');
 | |
|       Add('  .text   :');
 | |
|       Add('  {');
 | |
|       Add('    *(.vectors)');
 | |
|       Add('    KEEP(*(.vectors))');
 | |
|       Add('    /* For data that needs to reside in the lower 64k of progmem.  */');
 | |
|       Add('    *(.progmem.gcc*)');
 | |
|       Add('    *(.progmem*)');
 | |
|       Add('    . = ALIGN(2);');
 | |
|       Add('     __trampolines_start = . ;');
 | |
|       Add('    /* The jump trampolines for the 16-bit limited relocs will reside here.  */');
 | |
|       Add('    *(.trampolines)');
 | |
|       Add('    *(.trampolines*)');
 | |
|       Add('     __trampolines_end = . ;');
 | |
|       Add('    /* For future tablejump instruction arrays for 3 byte pc devices.');
 | |
|       Add('       We don''t relax jump/call instructions within these sections.  */');
 | |
|       Add('    *(.jumptables)');
 | |
|       Add('    *(.jumptables*)');
 | |
|       Add('    /* For code that needs to reside in the lower 128k progmem.  */');
 | |
|       Add('    *(.lowtext)');
 | |
|       Add('    *(.lowtext*)');
 | |
|       Add('     __ctors_start = . ;');
 | |
|       Add('     *(.ctors)');
 | |
|       Add('     __ctors_end = . ;');
 | |
|       Add('     __dtors_start = . ;');
 | |
|       Add('     *(.dtors)');
 | |
|       Add('     __dtors_end = . ;');
 | |
|       Add('    KEEP(SORT(*)(.ctors))');
 | |
|       Add('    KEEP(SORT(*)(.dtors))');
 | |
|       Add('    /* From this point on, we don''t bother about wether the insns are');
 | |
|       Add('       below or above the 16 bits boundary.  */');
 | |
|       Add('    *(.init0)  /* Start here after reset.  */');
 | |
|       Add('    KEEP (*(.init0))');
 | |
|       Add('    *(.init1)');
 | |
|       Add('    KEEP (*(.init1))');
 | |
|       Add('    *(.init2)  /* Clear __zero_reg__, set up stack pointer.  */');
 | |
|       Add('    KEEP (*(.init2))');
 | |
|       Add('    *(.init3)');
 | |
|       Add('    KEEP (*(.init3))');
 | |
|       Add('    *(.init4)  /* Initialize data and BSS.  */');
 | |
|       Add('    KEEP (*(.init4))');
 | |
|       Add('    *(.init5)');
 | |
|       Add('    KEEP (*(.init5))');
 | |
|       Add('    *(.init6)  /* C++ constructors.  */');
 | |
|       Add('    KEEP (*(.init6))');
 | |
|       Add('    *(.init7)');
 | |
|       Add('    KEEP (*(.init7))');
 | |
|       Add('    *(.init8)');
 | |
|       Add('    KEEP (*(.init8))');
 | |
|       Add('    *(.init9)  /* Call main().  */');
 | |
|       Add('    KEEP (*(.init9))');
 | |
|       Add('    *(.text)');
 | |
|       Add('    . = ALIGN(2);');
 | |
|       Add('    *(.text.*)');
 | |
|       Add('    . = ALIGN(2);');
 | |
|       Add('    *(.fini9)  /* _exit() starts here.  */');
 | |
|       Add('    KEEP (*(.fini9))');
 | |
|       Add('    *(.fini8)');
 | |
|       Add('    KEEP (*(.fini8))');
 | |
|       Add('    *(.fini7)');
 | |
|       Add('    KEEP (*(.fini7))');
 | |
|       Add('    *(.fini6)  /* C++ destructors.  */');
 | |
|       Add('    KEEP (*(.fini6))');
 | |
|       Add('    *(.fini5)');
 | |
|       Add('    KEEP (*(.fini5))');
 | |
|       Add('    *(.fini4)');
 | |
|       Add('    KEEP (*(.fini4))');
 | |
|       Add('    *(.fini3)');
 | |
|       Add('    KEEP (*(.fini3))');
 | |
|       Add('    *(.fini2)');
 | |
|       Add('    KEEP (*(.fini2))');
 | |
|       Add('    *(.fini1)');
 | |
|       Add('    KEEP (*(.fini1))');
 | |
|       Add('    *(.fini0)  /* Infinite loop after program termination.  */');
 | |
|       Add('    KEEP (*(.fini0))');
 | |
|       Add('     _etext = . ;');
 | |
|       Add('  }  > text');
 | |
|       Add('  .data	  : AT (ADDR (.text) + SIZEOF (.text))');
 | |
|       Add('  {');
 | |
|       Add('     PROVIDE (__data_start = .) ;');
 | |
|       Add('    *(.data)');
 | |
|       Add('    *(.data*)');
 | |
|       Add('    *(.rodata)  /* We need to include .rodata here if gcc is used */');
 | |
|       Add('    *(.rodata*) /* with -fdata-sections.  */');
 | |
|       Add('    *(.gnu.linkonce.d*)');
 | |
|       Add('    . = ALIGN(2);');
 | |
|       Add('     _edata = . ;');
 | |
|       Add('     PROVIDE (__data_end = .) ;');
 | |
|       Add('  }  > data');
 | |
|       Add('  .bss   : AT (ADDR (.bss))');
 | |
|       Add('  {');
 | |
|       Add('     PROVIDE (__bss_start = .) ;');
 | |
|       Add('    *(.bss)');
 | |
|       Add('    *(.bss*)');
 | |
|       Add('    *(COMMON)');
 | |
|       Add('     PROVIDE (__bss_end = .) ;');
 | |
|       Add('  }  > data');
 | |
|       Add('   __data_load_start = LOADADDR(.data);');
 | |
|       Add('   __data_load_end = __data_load_start + SIZEOF(.data);');
 | |
|       Add('  /* Global data not cleared after reset.  */');
 | |
|       Add('  .noinit  :');
 | |
|       Add('  {');
 | |
|       Add('     PROVIDE (__noinit_start = .) ;');
 | |
|       Add('    *(.noinit*)');
 | |
|       Add('     PROVIDE (__noinit_end = .) ;');
 | |
|       Add('     _end = . ;');
 | |
|       Add('     PROVIDE (__heap_start = .) ;');
 | |
|       Add('  }  > data');
 | |
|       Add('  .eeprom  :');
 | |
|       Add('  {');
 | |
|       Add('    *(.eeprom*)');
 | |
|       Add('     __eeprom_end = . ;');
 | |
|       Add('  }  > eeprom');
 | |
|       Add('  .fuse  :');
 | |
|       Add('  {');
 | |
|       Add('    KEEP(*(.fuse))');
 | |
|       Add('    KEEP(*(.lfuse))');
 | |
|       Add('    KEEP(*(.hfuse))');
 | |
|       Add('    KEEP(*(.efuse))');
 | |
|       Add('  }  > fuse');
 | |
|       Add('  .lock  :');
 | |
|       Add('  {');
 | |
|       Add('    KEEP(*(.lock*))');
 | |
|       Add('  }  > lock');
 | |
|       Add('  .signature  :');
 | |
|       Add('  {');
 | |
|       Add('    KEEP(*(.signature*))');
 | |
|       Add('  }  > signature');
 | |
|       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) *(.gnu.linkonce.wi.*) }');
 | |
|       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('}');
 | |
|       { last address of ram on an atmega128 }
 | |
|       Add('_stack_top = 0x0fff;');
 | |
|     end;
 | |
| {$endif AVR}
 | |
| 
 | |
|   { Write and Close response }
 | |
|   linkres.writetodisk;
 | |
|   linkres.free;
 | |
| 
 | |
|   WriteResponseFile:=True;
 | |
| 
 | |
| end;
 | |
| 
 | |
| 
 | |
| function TlinkerEmbedded.MakeExecutable:boolean;
 | |
| var
 | |
|   binstr,
 | |
|   cmdstr  : TCmdStr;
 | |
|   success : boolean;
 | |
|   StaticStr,
 | |
|   GCSectionsStr,
 | |
|   DynLinkStr,
 | |
|   StripStr: string;
 | |
| begin
 | |
|   { for future use }
 | |
|   StaticStr:='';
 | |
|   StripStr:='';
 | |
|   DynLinkStr:='';
 | |
| 
 | |
|   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);
 | |
| 
 | |
| { 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',(maybequoted(ScriptFixFileName(ChangeFileExt(current_module.exefilename,'.elf')))));
 | |
|     Replace(cmdstr,'$RES',(maybequoted(ScriptFixFileName(outputexedir+Info.ResName))));
 | |
|     Replace(cmdstr,'$STATIC',StaticStr);
 | |
|     Replace(cmdstr,'$STRIP',StripStr);
 | |
|     Replace(cmdstr,'$GCSECTIONS',GCSectionsStr);
 | |
|     Replace(cmdstr,'$DYNLINK',DynLinkStr);
 | |
|    end
 | |
|   else
 | |
|    begin
 | |
|     Replace(cmdstr,'$EXE',maybequoted(ScriptFixFileName(ChangeFileExt(current_module.exefilename,'.elf'))));
 | |
|     Replace(cmdstr,'$RES',maybequoted(ScriptFixFileName(outputexedir+Info.ResName)));
 | |
|     Replace(cmdstr,'$STATIC',StaticStr);
 | |
|     Replace(cmdstr,'$STRIP',StripStr);
 | |
|     Replace(cmdstr,'$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 then
 | |
|     success:=PostProcessExecutable(current_module.exefilename+'.elf',false);
 | |
| 
 | |
|   if success and (target_info.system in [system_arm_embedded,system_avr_embedded]) then
 | |
|     begin
 | |
|       success:=DoExec(FindUtil(utilsprefix+'objcopy'),'-O ihex '+
 | |
|         ChangeFileExt(current_module.exefilename,'.elf')+' '+
 | |
|         ChangeFileExt(current_module.exefilename,'.hex'),true,false);
 | |
|     end;
 | |
| 
 | |
|   MakeExecutable:=success;   { otherwise a recursive call to link method }
 | |
| end;
 | |
| 
 | |
| 
 | |
| function TLinkerEmbedded.postprocessexecutable(const fn : string;isdll:boolean):boolean;
 | |
|   type
 | |
|     TElf32header=packed record
 | |
|       magic0123         : longint;
 | |
|       file_class        : byte;
 | |
|       data_encoding     : byte;
 | |
|       file_version      : byte;
 | |
|       padding           : array[$07..$0f] of byte;
 | |
| 
 | |
|       e_type            : word;
 | |
|       e_machine         : word;
 | |
|       e_version         : longint;
 | |
|       e_entry           : longint;          { entrypoint }
 | |
|       e_phoff           : longint;          { program header offset }
 | |
| 
 | |
|       e_shoff           : longint;          { sections header offset }
 | |
|       e_flags           : longint;
 | |
|       e_ehsize          : word;             { elf header size in bytes }
 | |
|       e_phentsize       : word;             { size of an entry in the program header array }
 | |
|       e_phnum           : word;             { 0..e_phnum-1 of entrys }
 | |
|       e_shentsize       : word;             { size of an entry in sections header array }
 | |
|       e_shnum           : word;             { 0..e_shnum-1 of entrys }
 | |
|       e_shstrndx        : word;             { index of string section header }
 | |
|     end;
 | |
|     TElf32sechdr=packed record
 | |
|       sh_name           : longint;
 | |
|       sh_type           : longint;
 | |
|       sh_flags          : longint;
 | |
|       sh_addr           : longint;
 | |
| 
 | |
|       sh_offset         : longint;
 | |
|       sh_size           : longint;
 | |
|       sh_link           : longint;
 | |
|       sh_info           : longint;
 | |
| 
 | |
|       sh_addralign      : longint;
 | |
|       sh_entsize        : longint;
 | |
|     end;
 | |
| 
 | |
|   function MayBeSwapHeader(h : telf32header) : telf32header;
 | |
|     begin
 | |
|       result:=h;
 | |
|       if source_info.endian<>target_info.endian then
 | |
|         with h do
 | |
|           begin
 | |
|             result.e_type:=swapendian(e_type);
 | |
|             result.e_machine:=swapendian(e_machine);
 | |
|             result.e_version:=swapendian(e_version);
 | |
|             result.e_entry:=swapendian(e_entry);
 | |
|             result.e_phoff:=swapendian(e_phoff);
 | |
|             result.e_shoff:=swapendian(e_shoff);
 | |
|             result.e_flags:=swapendian(e_flags);
 | |
|             result.e_ehsize:=swapendian(e_ehsize);
 | |
|             result.e_phentsize:=swapendian(e_phentsize);
 | |
|             result.e_phnum:=swapendian(e_phnum);
 | |
|             result.e_shentsize:=swapendian(e_shentsize);
 | |
|             result.e_shnum:=swapendian(e_shnum);
 | |
|             result.e_shstrndx:=swapendian(e_shstrndx);
 | |
|           end;
 | |
|     end;
 | |
| 
 | |
|   function MaybeSwapSecHeader(h : telf32sechdr) : telf32sechdr;
 | |
|     begin
 | |
|       result:=h;
 | |
|       if source_info.endian<>target_info.endian then
 | |
|         with h do
 | |
|           begin
 | |
|             result.sh_name:=swapendian(sh_name);
 | |
|             result.sh_type:=swapendian(sh_type);
 | |
|             result.sh_flags:=swapendian(sh_flags);
 | |
|             result.sh_addr:=swapendian(sh_addr);
 | |
|             result.sh_offset:=swapendian(sh_offset);
 | |
|             result.sh_size:=swapendian(sh_size);
 | |
|             result.sh_link:=swapendian(sh_link);
 | |
|             result.sh_info:=swapendian(sh_info);
 | |
|             result.sh_addralign:=swapendian(sh_addralign);
 | |
|             result.sh_entsize:=swapendian(sh_entsize);
 | |
|           end;
 | |
|     end;
 | |
| 
 | |
|   var
 | |
|     f : file;
 | |
| 
 | |
|   function ReadSectionName(pos : longint) : String;
 | |
|     var
 | |
|       oldpos : longint;
 | |
|       c : char;
 | |
|     begin
 | |
|       oldpos:=filepos(f);
 | |
|       seek(f,pos);
 | |
|       Result:='';
 | |
|       while true do
 | |
|         begin
 | |
|           blockread(f,c,1);
 | |
|           if c=#0 then
 | |
|             break;
 | |
|           Result:=Result+c;
 | |
|         end;
 | |
|       seek(f,oldpos);
 | |
|     end;
 | |
| 
 | |
|   var
 | |
|     elfheader : TElf32header;
 | |
|     secheader : TElf32sechdr;
 | |
|     i : longint;
 | |
|     stringoffset : longint;
 | |
|     secname : string;
 | |
|   begin
 | |
|     postprocessexecutable:=false;
 | |
|     { open file }
 | |
|     assign(f,fn);
 | |
|     {$push}{$I-}
 | |
|     reset(f,1);
 | |
|     if ioresult<>0 then
 | |
|       Message1(execinfo_f_cant_open_executable,fn);
 | |
|     { read header }
 | |
|     blockread(f,elfheader,sizeof(tElf32header));
 | |
|     elfheader:=MayBeSwapHeader(elfheader);
 | |
|     seek(f,elfheader.e_shoff);
 | |
|     { read string section header }
 | |
|     seek(f,elfheader.e_shoff+sizeof(TElf32sechdr)*elfheader.e_shstrndx);
 | |
|     blockread(f,secheader,sizeof(secheader));
 | |
|     secheader:=MaybeSwapSecHeader(secheader);
 | |
|     stringoffset:=secheader.sh_offset;
 | |
| 
 | |
|     seek(f,elfheader.e_shoff);
 | |
|     status.datasize:=0;
 | |
|     for i:=0 to elfheader.e_shnum-1 do
 | |
|       begin
 | |
|         blockread(f,secheader,sizeof(secheader));
 | |
|         secheader:=MaybeSwapSecHeader(secheader);
 | |
|         secname:=ReadSectionName(stringoffset+secheader.sh_name);
 | |
|         if secname='.text' then
 | |
|           begin
 | |
|             Message1(execinfo_x_codesize,tostr(secheader.sh_size));
 | |
|             status.codesize:=secheader.sh_size;
 | |
|           end
 | |
|         else if secname='.data' then
 | |
|           begin
 | |
|             Message1(execinfo_x_initdatasize,tostr(secheader.sh_size));
 | |
|             inc(status.datasize,secheader.sh_size);
 | |
|           end
 | |
|         else if secname='.bss' then
 | |
|           begin
 | |
|             Message1(execinfo_x_uninitdatasize,tostr(secheader.sh_size));
 | |
|             inc(status.datasize,secheader.sh_size);
 | |
|           end;
 | |
| 
 | |
|       end;
 | |
|     close(f);
 | |
|     {$pop}
 | |
|     if ioresult<>0 then
 | |
|       ;
 | |
|     postprocessexecutable:=true;
 | |
|   end;
 | |
| 
 | |
| 
 | |
| {*****************************************************************************
 | |
|                                      Initialize
 | |
| *****************************************************************************}
 | |
| 
 | |
| initialization
 | |
| {$ifdef arm}
 | |
|   RegisterExternalLinker(system_arm_embedded_info,TlinkerEmbedded);
 | |
|   RegisterTarget(system_arm_embedded_info);
 | |
| {$endif arm}
 | |
| 
 | |
| {$ifdef avr}
 | |
|   RegisterExternalLinker(system_avr_embedded_info,TlinkerEmbedded);
 | |
|   RegisterTarget(system_avr_embedded_info);
 | |
| {$endif avr}
 | |
| 
 | |
| {$ifdef i386}
 | |
|   RegisterExternalLinker(system_i386_embedded_info,TlinkerEmbedded);
 | |
|   RegisterTarget(system_i386_embedded_info);
 | |
| {$endif i386}
 | |
| end.
 |