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			719 lines
		
	
	
		
			27 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
			
		
		
	
	
			719 lines
		
	
	
		
			27 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
{
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						|
    $Id$
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    Copyright (c) 1998-2000 by Florian Klaempfl
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    This unit implements an asmoutput class for MOTOROLA syntax with
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    Motorola 68000 (for GAS v2.52 AND HIGER)
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						|
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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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						|
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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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}
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{ R- Necessary for the in [] }
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{$ifdef TP}
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  {$N+,E+,R-}
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{$endif}
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unit ag68kgas;
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    interface
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    uses cobjects,aasm,assemble;
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    type
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      pm68kgasasmlist=^tm68kgasasmlist;
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      tm68kgasasmlist = object(tasmlist)
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        procedure WriteTree(p:paasmoutput);virtual;
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        procedure WriteAsmList;virtual;
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{$ifdef GDB}
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        procedure WriteFileLineInfo(var fileinfo : tfileposinfo);
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{$endif}
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      end;
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   implementation
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    uses
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      globtype,systems,
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      dos,globals,cpubase,
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      strings,files,verbose
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{$ifdef GDB}
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      ,gdb
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{$endif GDB}
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      ;
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    const
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      line_length = 70;
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    var
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{$ifdef GDB}
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      n_line       : byte;     { different types of source lines }
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      linecount,
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      includecount : longint;
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      funcname     : pchar;
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      stabslastfileinfo : tfileposinfo;
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{$endif}
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      lastsec    : tsection; { last section type written }
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      lastsecidx,
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      lastfileindex,
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      lastline   : longint;
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    function double2str(d : double) : string;
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      var
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         hs : string;
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      begin
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         str(d,hs);
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       { replace space with + }
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         if hs[1]=' ' then
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          hs[1]:='+';
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         double2str:='0d'+hs
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      end;
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(* TO SUPPORT SOONER OR LATER!!!
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    function comp2str(d : bestreal) : string;
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      type
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        pdouble = ^double;
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      var
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        c  : comp;
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        dd : pdouble;
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      begin
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      {$ifdef TP}
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         c:=d;
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      {$else}
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         c:=comp(d);
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      {$endif}
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         dd:=pdouble(@c); { this makes a bitwise copy of c into a double }
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         comp2str:=double2str(dd^);
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      end; *)
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    function getreferencestring(const ref : treference) : string;
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      var
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         s,basestr,indexstr : string;
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      begin
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         s:='';
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         if ref.isintvalue then
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             s:='#'+tostr(ref.offset)
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         else
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           with ref do
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             begin
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                if target_info.target=target_m68k_PalmOS then
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                  begin
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                     basestr:=gasPalmOS_reg2str[base];
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                     indexstr:=gasPalmOS_reg2str[index];
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                  end
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                else
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                  begin
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                     basestr:=gas_reg2str[base];
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                     indexstr:=gas_reg2str[index];
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                  end;
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                if assigned(symbol) then
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                  s:=s+symbol^;
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                if offset<0 then s:=s+tostr(offset)
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                  else if (offset>0) then
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                    begin
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                       if (symbol=nil) then s:=tostr(offset)
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                       else s:=s+'+'+tostr(offset);
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                    end;
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               if (index<>R_NO) and (base=R_NO) and (direction=dir_none) then
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                begin
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                  if (scalefactor = 1) or (scalefactor = 0) then
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                    s:=s+'(,'+indexstr+'.l)'
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                  else
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                    s:=s+'(,'+indexstr+'.l*'+tostr(scalefactor)+')'
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                end
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                else if (index=R_NO) and (base<>R_NO) and (direction=dir_inc) then
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                begin
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                  if (scalefactor = 1) or (scalefactor = 0) then
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                      s:=s+'('+basestr+')+'
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                  else
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                   InternalError(10002);
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                end
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                else if (index=R_NO) and (base<>R_NO) and (direction=dir_dec) then
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                begin
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                  if (scalefactor = 1) or (scalefactor = 0) then
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                      s:=s+'-('+basestr+')'
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                  else
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                   InternalError(10003);
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                end
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                  else if (index=R_NO) and (base<>R_NO) and (direction=dir_none) then
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                begin
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                  s:=s+'('+basestr+')'
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                end
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                  else if (index<>R_NO) and (base<>R_NO) and (direction=dir_none) then
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                begin
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                  if (scalefactor = 1) or (scalefactor = 0) then
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                    s:=s+'('+basestr+','+indexstr+'.l)'
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                  else
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                    s:=s+'('+basestr+','+indexstr+'.l*'+tostr(scalefactor)+')';
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                end;
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            end; { end with }
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         getreferencestring:=s;
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      end;
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    function getopstr(t : byte;o : pointer) : string;
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      var
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         hs : string;
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         i: tregister;
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      begin
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         case t of
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            top_reg : if target_info.target=target_m68k_PalmOS then
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                        getopstr:=gasPalmOS_reg2str[tregister(o)]
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                      else
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                        getopstr:=gas_reg2str[tregister(o)];
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            top_ref : getopstr:=getreferencestring(preference(o)^);
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        top_reglist : begin
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                      hs:='';
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                      for i:=R_NO to R_FPSR do
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                      begin
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                        if i in tregisterlist(o^) then
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                         hs:=hs+gas_reg2str[i]+'/';
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                      end;
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                      delete(hs,length(hs),1);
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                      getopstr := hs;
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                    end;
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             top_const : getopstr:='#'+tostr(longint(o));
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            top_symbol :
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                    { compare with i386, where a symbol is considered }
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                    { a constant.                                     }
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                    begin
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                     hs[0]:=chr(strlen(pchar(pcsymbol(o)^.symbol)));
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                            move(pchar(pcsymbol(o)^.symbol)^,hs[1],byte(hs[0]));
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{                           inc(byte(hs[0]));}
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                            if pcsymbol(o)^.offset>0 then
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                              hs:=hs+'+'+tostr(pcsymbol(o)^.offset)
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                            else if pcsymbol(o)^.offset<0 then
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                              hs:=hs+tostr(pcsymbol(o)^.offset);
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                            getopstr:=hs;
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                         end;
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            else internalerror(10001);
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         end;
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      end;
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    function getopstr_jmp(t : byte;o : pointer) : string;
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      var
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         hs : string;
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      begin
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         case t of
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            top_reg : getopstr_jmp:=gas_reg2str[tregister(o)];
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            top_ref : getopstr_jmp:=getreferencestring(preference(o)^);
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            top_const : getopstr_jmp:=tostr(longint(o));
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            top_symbol : begin
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                            hs[0]:=chr(strlen(pchar(pcsymbol(o)^.symbol)));
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                            move(pchar(pcsymbol(o)^.symbol)^,hs[1],byte(hs[0]));
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                            if pcsymbol(o)^.offset>0 then
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                              hs:=hs+'+'+tostr(pcsymbol(o)^.offset)
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                            else if pcsymbol(o)^.offset<0 then
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                              hs:=hs+tostr(pcsymbol(o)^.offset);
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                            getopstr_jmp:=hs;
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                         end;
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            else internalerror(10001);
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         end;
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      end;
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{****************************************************************************
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                             T68kGASASMOUTPUT
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 ****************************************************************************}
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    const
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      ait_const2str:array[ait_const_32bit..ait_const_8bit] of string[8]=
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        (#9'.long'#9,#9'.short'#9,#9'.byte'#9);
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    function ait_section2str(s:tsection):string;
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    begin
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      case s of
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        sec_code : ait_section2str:='.text';
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        sec_data : ait_section2str:='.data';
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         sec_bss : ait_section2str:='.bss';
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      else
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       ait_section2str:='';
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      end;
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      LastSec:=s;
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    end;
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{$ifdef GDB}
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    var
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      curr_n    : byte;
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      infile    : pinputfile;
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      procedure tm68kgasasmlist.WriteFileLineInfo(var fileinfo : tfileposinfo);
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        begin
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          if not (cs_debuginfo in aktmoduleswitches) then
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           exit;
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        { file changed ? (must be before line info) }
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          if lastfileindex<>fileinfo.fileindex then
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           begin
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             infile:=current_module^.sourcefiles^.get_file(fileinfo.fileindex);
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             if includecount=0 then
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              curr_n:=n_sourcefile
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             else
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              curr_n:=n_includefile;
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             if (infile^.path^<>'') then
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              begin
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                AsmWriteLn(#9'.stabs "'+lower(BsToSlash(FixPath(infile^.path^,false)))+'",'+
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                  tostr(curr_n)+',0,0,'+'Ltext'+ToStr(IncludeCount));
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              end;
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             AsmWriteLn(#9'.stabs "'+lower(FixFileName(infile^.name^))+'",'+
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               tostr(curr_n)+',0,0,'+'Ltext'+ToStr(IncludeCount));
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             AsmWriteLn('Ltext'+ToStr(IncludeCount)+':');
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             inc(includecount);
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             lastfileindex:=fileinfo.fileindex;
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           end;
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        { line changed ? }
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          if (fileinfo.line<>lastline) and (fileinfo.line<>0) then
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           begin
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             if (n_line=n_textline) and assigned(funcname) and
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                (target_os.use_function_relative_addresses) then
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              begin
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                AsmWriteLn(target_asm.labelprefix+'l'+tostr(linecount)+':');
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                AsmWrite(#9'.stabn '+tostr(n_line)+',0,'+tostr(fileinfo.line)+','+
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                           target_asm.labelprefix+'l'+tostr(linecount)+' - ');
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                AsmWritePChar(FuncName);
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                AsmLn;
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                inc(linecount);
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              end
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             else
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              AsmWriteLn(#9'.stabd'#9+tostr(n_line)+',0,'+tostr(fileinfo.line));
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             lastline:=fileinfo.line;
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           end;
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        end;
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{$endif GDB}
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    procedure tm68kgasasmlist.WriteTree(p:paasmoutput);
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    type
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      twowords=record
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        word1,word2:word;
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      end;
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      textendedarray = array[0..9] of byte; { last longint will be and $ffff }
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    var
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      hp        : pai;
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      ch        : char;
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      consttyp  : tait;
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      s         : string;
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      pos,l,i   : longint;
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      found     : boolean;
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    begin
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      if not assigned(p) then
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       exit;
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      hp:=pai(p^.first);
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      while assigned(hp) do
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       begin
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       { write debugger informations }
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{$ifdef GDB}
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         if cs_debuginfo in aktmoduleswitches then
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          begin
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            if not (hp^.typ in  [ait_external,ait_regalloc, ait_regdealloc,ait_stabn,ait_stabs,
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                    ait_label,ait_cut,ait_marker,ait_align,ait_stab_function_name]) then
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              WriteFileLineInfo(hp^.fileinfo);
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          end;
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{$endif GDB}
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         case hp^.typ of
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       ait_comment : Begin
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                       AsmWrite(target_asm.comment);
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                       AsmWritePChar(pai_asm_comment(hp)^.str);
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                       AsmLn;
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                     End;
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{$ifdef DREGALLOC}
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      ait_regalloc : AsmWriteLn(target_asm.comment+'Register '+att_reg2str[pairegalloc(hp)^.reg]+' allocated');
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    ait_regdealloc : AsmWriteLn(target_asm.comment+'Register '+att_reg2str[pairegalloc(hp)^.reg]+' released');
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{$endif DREGALLOC}
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         ait_align : AsmWriteLn(#9'.align '+tostr(pai_align(hp)^.aligntype));
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       ait_section : begin
 | 
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                       if pai_section(hp)^.sec<>sec_none then
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                        begin
 | 
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                          AsmLn;
 | 
						|
                          AsmWrite(ait_section2str(pai_section(hp)^.sec));
 | 
						|
                          {!!!!
 | 
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                          if pai_section(hp)^.idataidx>0 then
 | 
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                           AsmWrite('$'+tostr(pai_section(hp)^.idataidx));
 | 
						|
                          }
 | 
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                          AsmLn;
 | 
						|
{$ifdef GDB}
 | 
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                          case pai_section(hp)^.sec of
 | 
						|
                           sec_code : n_line:=n_textline;
 | 
						|
                           sec_data : n_line:=n_dataline;
 | 
						|
                            sec_bss : n_line:=n_bssline;
 | 
						|
                          end;
 | 
						|
{$endif GDB}
 | 
						|
                        end;
 | 
						|
                       LastSec:=pai_section(hp)^.sec;
 | 
						|
                     end;
 | 
						|
     ait_datablock : begin
 | 
						|
                       { ------------------------------------------------------- }
 | 
						|
                       { ----------- ALIGNMENT FOR ANY NON-BYTE VALUE ---------- }
 | 
						|
                       { ------------- REQUIREMENT FOR 680x0 ------------------- }
 | 
						|
                       { ------------------------------------------------------- }
 | 
						|
                       if pai_datablock(hp)^.size <> 1 then
 | 
						|
                        begin
 | 
						|
                          if not(cs_littlesize in aktglobalswitches) then
 | 
						|
                           AsmWriteLn(#9#9'.align 4')
 | 
						|
                          else
 | 
						|
                           AsmWriteLn(#9#9'.align 2');
 | 
						|
                        end;
 | 
						|
                       if pai_datablock(hp)^.is_global then
 | 
						|
                        AsmWrite(#9'.comm'#9)
 | 
						|
                       else
 | 
						|
                        AsmWrite(#9'.lcomm'#9);
 | 
						|
                       AsmWriteLn(pai_datablock(hp)^.sym^.name+','+tostr(pai_datablock(hp)^.size));
 | 
						|
                     end;
 | 
						|
   ait_const_32bit, { alignment is required for 16/32 bit data! }
 | 
						|
   ait_const_16bit:  begin
 | 
						|
                       AsmWrite(ait_const2str[hp^.typ]+tostr(pai_const(hp)^.value));
 | 
						|
                       consttyp:=hp^.typ;
 | 
						|
                       l:=0;
 | 
						|
                       repeat
 | 
						|
                         found:=(not (Pai(hp^.next)=nil)) and (Pai(hp^.next)^.typ=consttyp);
 | 
						|
                         if found then
 | 
						|
                          begin
 | 
						|
                            hp:=Pai(hp^.next);
 | 
						|
                            s:=','+tostr(pai_const(hp)^.value);
 | 
						|
                            AsmWrite(s);
 | 
						|
                            inc(l,length(s));
 | 
						|
                          end;
 | 
						|
                       until (not found) or (l>line_length);
 | 
						|
                       AsmLn;
 | 
						|
                     end;
 | 
						|
    ait_const_8bit : begin
 | 
						|
                       AsmWrite(ait_const2str[hp^.typ]+tostr(pai_const(hp)^.value));
 | 
						|
                       consttyp:=hp^.typ;
 | 
						|
                       l:=0;
 | 
						|
                       repeat
 | 
						|
                         found:=(not (Pai(hp^.next)=nil)) and (Pai(hp^.next)^.typ=consttyp);
 | 
						|
                         if found then
 | 
						|
                          begin
 | 
						|
                            hp:=Pai(hp^.next);
 | 
						|
                            s:=','+tostr(pai_const(hp)^.value);
 | 
						|
                            AsmWrite(s);
 | 
						|
                            inc(l,length(s));
 | 
						|
                          end;
 | 
						|
                       until (not found) or (l>line_length);
 | 
						|
                       AsmLn;
 | 
						|
                     end;
 | 
						|
  ait_const_symbol : Begin
 | 
						|
                       AsmWriteLn(#9'.long'#9+StrPas(pchar(pai_const(hp)^.value)));
 | 
						|
                     end;
 | 
						|
  {
 | 
						|
  ait_const_symbol_offset :
 | 
						|
                     Begin
 | 
						|
                       AsmWrite(#9'.long'#9);
 | 
						|
                       AsmWritePChar(pai_const_symbol_offset(hp)^.name);
 | 
						|
                       if pai_const_symbol_offset(hp)^.offset>0 then
 | 
						|
                         AsmWrite('+'+tostr(pai_const_symbol_offset(hp)^.offset))
 | 
						|
                       else if pai_const_symbol_offset(hp)^.offset<0 then
 | 
						|
                         AsmWrite(tostr(pai_const_symbol_offset(hp)^.offset));
 | 
						|
                       AsmLn;
 | 
						|
                     end;
 | 
						|
  }
 | 
						|
    ait_real_64bit : Begin
 | 
						|
                      AsmWriteLn(#9'.double'#9+double2str(pai_real_64bit(hp)^.value));
 | 
						|
                     end;
 | 
						|
    ait_real_32bit : Begin
 | 
						|
                      AsmWriteLn(#9'.single'#9+double2str(pai_real_32bit(hp)^.value));
 | 
						|
                     end;
 | 
						|
 ait_real_80bit : Begin
 | 
						|
                      AsmWriteLn(#9'.extend'#9+double2str(pai_real_80bit(hp)^.value));
 | 
						|
                     { comp type is difficult to write so use double }
 | 
						|
                     end;
 | 
						|
{ TO SUPPORT SOONER OR LATER!!!
 | 
						|
          ait_comp : Begin
 | 
						|
                       AsmWriteLn(#9'.double'#9+comp2str(pai_extended(hp)^.value));
 | 
						|
                     end;   }
 | 
						|
        ait_direct : begin
 | 
						|
                       AsmWritePChar(pai_direct(hp)^.str);
 | 
						|
                       AsmLn;
 | 
						|
{$IfDef GDB}
 | 
						|
                       if strpos(pai_direct(hp)^.str,'.data')<>nil then
 | 
						|
                         n_line:=n_dataline
 | 
						|
                       else if strpos(pai_direct(hp)^.str,'.text')<>nil then
 | 
						|
                         n_line:=n_textline
 | 
						|
                       else if strpos(pai_direct(hp)^.str,'.bss')<>nil then
 | 
						|
                         n_line:=n_bssline;
 | 
						|
{$endif GDB}
 | 
						|
                     end;
 | 
						|
        ait_string : begin
 | 
						|
                       pos:=0;
 | 
						|
                       for i:=1 to pai_string(hp)^.len do
 | 
						|
                        begin
 | 
						|
                          if pos=0 then
 | 
						|
                           begin
 | 
						|
                             AsmWrite(#9'.ascii'#9'"');
 | 
						|
                             pos:=20;
 | 
						|
                           end;
 | 
						|
                          ch:=pai_string(hp)^.str[i-1];
 | 
						|
                          case ch of
 | 
						|
                             #0, {This can't be done by range, because a bug in FPC}
 | 
						|
                        #1..#31,
 | 
						|
                     #128..#255 : s:='\'+tostr(ord(ch) shr 6)+tostr((ord(ch) and 63) shr 3)+tostr(ord(ch) and 7);
 | 
						|
                            '"' : s:='\"';
 | 
						|
                            '\' : s:='\\';
 | 
						|
                          else
 | 
						|
                           s:=ch;
 | 
						|
                          end;
 | 
						|
                          AsmWrite(s);
 | 
						|
                          inc(pos,length(s));
 | 
						|
                          if (pos>line_length) or (i=pai_string(hp)^.len) then
 | 
						|
                           begin
 | 
						|
                             AsmWriteLn('"');
 | 
						|
                             pos:=0;
 | 
						|
                           end;
 | 
						|
                        end;
 | 
						|
                     end;
 | 
						|
         ait_label : begin
 | 
						|
                       if assigned(hp^.next) and (pai(hp^.next)^.typ in
 | 
						|
                          [ait_const_32bit,ait_const_16bit,ait_const_8bit,
 | 
						|
                           ait_const_symbol,{ ait_const_symbol_offset, }
 | 
						|
                           ait_real_64bit,ait_real_32bit,ait_string]) then
 | 
						|
                        begin
 | 
						|
                          if not(cs_littlesize in aktglobalswitches) then
 | 
						|
                           AsmWriteLn(#9#9'.align 4')
 | 
						|
                          else
 | 
						|
                           AsmWriteLn(#9#9'.align 2');
 | 
						|
                        end;
 | 
						|
                       if (pai_label(hp)^.l^.is_used) then
 | 
						|
                        AsmWriteLn(pai_label(hp)^.l^.name+':');
 | 
						|
                     end;
 | 
						|
ait_labeled_instruction : begin
 | 
						|
                     { labeled operand }
 | 
						|
                       if pai_labeled(hp)^._op1 = R_NO then
 | 
						|
                        AsmWriteLn(#9+mot_op2str[pai_labeled(hp)^._operator]+#9+pai_labeled(hp)^.lab^.name)
 | 
						|
                       else
 | 
						|
                     { labeled operand with register }
 | 
						|
                        begin
 | 
						|
                           if target_info.target=target_m68k_PalmOS then
 | 
						|
                             AsmWriteLn(#9+mot_op2str[pai_labeled(hp)^._operator]+#9+
 | 
						|
                               gasPalmOS_reg2str[pai_labeled(hp)^._op1]+','+pai_labeled(hp)^.lab^.name)
 | 
						|
                           else
 | 
						|
                             AsmWriteLn(#9+mot_op2str[pai_labeled(hp)^._operator]+#9+
 | 
						|
                               gas_reg2str[pai_labeled(hp)^._op1]+','+pai_labeled(hp)^.lab^.name)
 | 
						|
                        end;
 | 
						|
                     end;
 | 
						|
        ait_symbol : begin
 | 
						|
                       { ------------------------------------------------------- }
 | 
						|
                       { ----------- ALIGNMENT FOR ANY NON-BYTE VALUE ---------- }
 | 
						|
                       { ------------- REQUIREMENT FOR 680x0 ------------------- }
 | 
						|
                       { ------------------------------------------------------- }
 | 
						|
                       if assigned(hp^.next) and (pai(hp^.next)^.typ in
 | 
						|
                          [ait_const_32bit,ait_const_16bit,ait_const_8bit,
 | 
						|
                           ait_const_symbol,{!!! ait_const_symbol_offset, }
 | 
						|
                           ait_real_64bit,ait_real_32bit,ait_string]) then
 | 
						|
                        begin
 | 
						|
                          if not(cs_littlesize in aktglobalswitches) then
 | 
						|
                           AsmWriteLn(#9#9'.align 4')
 | 
						|
                          else
 | 
						|
                           AsmWriteLn(#9#9'.align 2');
 | 
						|
                        end;
 | 
						|
                       if pai_symbol(hp)^.is_global then
 | 
						|
                        AsmWriteLn('.globl '+pai_symbol(hp)^.sym^.name);
 | 
						|
                       AsmWriteLn(pai_symbol(hp)^.sym^.name+':');
 | 
						|
                     end;
 | 
						|
   ait_instruction : begin
 | 
						|
                       { old versions of GAS don't like PEA.L and LEA.L }
 | 
						|
                       if (paicpu(hp)^._operator in [
 | 
						|
                            A_LEA,A_PEA,A_ABCD,A_BCHG,A_BCLR,A_BSET,A_BTST,
 | 
						|
                            A_EXG,A_NBCD,A_SBCD,A_SWAP,A_TAS,A_SCC,A_SCS,
 | 
						|
                            A_SEQ,A_SGE,A_SGT,A_SHI,A_SLE,A_SLS,A_SLT,A_SMI,
 | 
						|
                            A_SNE,A_SPL,A_ST,A_SVC,A_SVS,A_SF]) then
 | 
						|
                        s:=#9+mot_op2str[paicpu(hp)^._operator]
 | 
						|
                       else
 | 
						|
                        if target_info.target=target_m68k_PalmOS then
 | 
						|
                          s:=#9+mot_op2str[paicpu(hp)^._operator]+gas_opsize2str[paicpu(hp)^.size]
 | 
						|
                        else
 | 
						|
                          s:=#9+mot_op2str[paicpu(hp)^._operator]+mit_opsize2str[paicpu(hp)^.size];
 | 
						|
                       if paicpu(hp)^.op1t<>top_none then
 | 
						|
                        begin
 | 
						|
                        { call and jmp need an extra handling                          }
 | 
						|
                        { this code is only callded if jmp isn't a labeled instruction }
 | 
						|
                          if paicpu(hp)^._operator in [A_JSR,A_JMP] then
 | 
						|
                           s:=s+#9+getopstr_jmp(paicpu(hp)^.op1t,paicpu(hp)^.op1)
 | 
						|
                          else
 | 
						|
                           if paicpu(hp)^.op1t = top_reglist then
 | 
						|
                            s:=s+#9+getopstr(paicpu(hp)^.op1t,@(paicpu(hp)^.reglist))
 | 
						|
                           else
 | 
						|
                            s:=s+#9+getopstr(paicpu(hp)^.op1t,paicpu(hp)^.op1);
 | 
						|
                           if paicpu(hp)^.op2t<>top_none then
 | 
						|
                            begin
 | 
						|
                              if paicpu(hp)^.op2t = top_reglist then
 | 
						|
                               s:=s+','+getopstr(paicpu(hp)^.op2t,@paicpu(hp)^.reglist)
 | 
						|
                              else
 | 
						|
                               s:=s+','+getopstr(paicpu(hp)^.op2t,paicpu(hp)^.op2);
 | 
						|
                            { three operands }
 | 
						|
                              if paicpu(hp)^.op3t<>top_none then
 | 
						|
                               begin
 | 
						|
                                   if (paicpu(hp)^._operator = A_DIVSL) or
 | 
						|
                                      (paicpu(hp)^._operator = A_DIVUL) or
 | 
						|
                                      (paicpu(hp)^._operator = A_MULU) or
 | 
						|
                                      (paicpu(hp)^._operator = A_MULS) or
 | 
						|
                                      (paicpu(hp)^._operator = A_DIVS) or
 | 
						|
                                      (paicpu(hp)^._operator = A_DIVU) then
 | 
						|
                                    s:=s+':'+getopstr(paicpu(hp)^.op3t,paicpu(hp)^.op3)
 | 
						|
                                   else
 | 
						|
                                    s:=s+','+getopstr(paicpu(hp)^.op3t,paicpu(hp)^.op3);
 | 
						|
                               end;
 | 
						|
                            end;
 | 
						|
                        end;
 | 
						|
                       AsmWriteLn(s);
 | 
						|
                     end;
 | 
						|
{$ifdef GDB}
 | 
						|
         ait_stabs : begin
 | 
						|
                       AsmWrite(#9'.stabs ');
 | 
						|
                       AsmWritePChar(pai_stabs(hp)^.str);
 | 
						|
                       AsmLn;
 | 
						|
                     end;
 | 
						|
         ait_stabn : begin
 | 
						|
                       AsmWrite(#9'.stabn ');
 | 
						|
                       AsmWritePChar(pai_stabn(hp)^.str);
 | 
						|
                       AsmLn;
 | 
						|
                     end;
 | 
						|
    ait_force_line : begin
 | 
						|
                        stabslastfileinfo.line:=0;
 | 
						|
                     end;
 | 
						|
ait_stab_function_name : funcname:=pai_stab_function_name(hp)^.str;
 | 
						|
{$endif GDB}
 | 
						|
           ait_cut : begin
 | 
						|
                     { only reset buffer if nothing has changed }
 | 
						|
                       if AsmSize=AsmStartSize then
 | 
						|
                        AsmClear
 | 
						|
                       else
 | 
						|
                        begin
 | 
						|
                          AsmClose;
 | 
						|
                          DoAssemble;
 | 
						|
                          AsmCreate;
 | 
						|
                        end;
 | 
						|
                     { avoid empty files }
 | 
						|
                       while assigned(hp^.next) and (pai(hp^.next)^.typ in [ait_cut,ait_section,ait_comment]) do
 | 
						|
                        begin
 | 
						|
                          if pai(hp^.next)^.typ=ait_section then
 | 
						|
                           begin
 | 
						|
                             lastsec:=pai_section(hp^.next)^.sec;
 | 
						|
                             {!!!!!
 | 
						|
                             lastsecidx:=pai_section(hp^.next)^.idataidx;
 | 
						|
                             }
 | 
						|
{$ifdef GDB}
 | 
						|
                             { this is needed for line info in data }
 | 
						|
                             case pai_section(hp^.next)^.sec of
 | 
						|
                              sec_code : n_line:=n_textline;
 | 
						|
                              sec_data : n_line:=n_dataline;
 | 
						|
                               sec_bss : n_line:=n_bssline;
 | 
						|
                             end;
 | 
						|
{$endif GDB}
 | 
						|
                           end;
 | 
						|
                          hp:=pai(hp^.next);
 | 
						|
                        end;
 | 
						|
{$ifdef GDB}
 | 
						|
                       { force write of filename }
 | 
						|
                       lastfileindex:=0;
 | 
						|
                       includecount:=0;
 | 
						|
                       funcname:=nil;
 | 
						|
                       WriteFileLineInfo(hp^.fileinfo);
 | 
						|
{$endif GDB}
 | 
						|
                       if lastsec<>sec_none then
 | 
						|
                         AsmWriteLn(ait_section2str(lastsec));
 | 
						|
                       AsmStartSize:=AsmSize;
 | 
						|
                     end;
 | 
						|
        ait_marker : ;
 | 
						|
         else
 | 
						|
          internalerror(10000);
 | 
						|
         end;
 | 
						|
         hp:=pai(hp^.next);
 | 
						|
       end;
 | 
						|
    end;
 | 
						|
 | 
						|
 | 
						|
    procedure tm68kgasasmlist.WriteAsmList;
 | 
						|
    var
 | 
						|
      p:dirstr;
 | 
						|
      n:namestr;
 | 
						|
      e:extstr;
 | 
						|
{$ifdef GDB}
 | 
						|
      fileinfo : tfileposinfo;
 | 
						|
{$endif GDB}
 | 
						|
 | 
						|
    begin
 | 
						|
{$ifdef EXTDEBUG}
 | 
						|
      if assigned(current_module^.mainsource) then
 | 
						|
       comment(v_info,'Start writing gas-styled assembler output for '+current_module^.mainsource^);
 | 
						|
{$endif}
 | 
						|
 | 
						|
      LastSec:=sec_none;
 | 
						|
 | 
						|
      if assigned(current_module^.mainsource) then
 | 
						|
       fsplit(current_module^.mainsource^,p,n,e)
 | 
						|
      else
 | 
						|
       begin
 | 
						|
         p:=inputdir;
 | 
						|
         n:=inputfile;
 | 
						|
         e:=inputextension;
 | 
						|
       end;
 | 
						|
    { to get symify to work }
 | 
						|
      AsmWriteLn(#9'.file "'+FixFileName(n+e)+'"');
 | 
						|
 | 
						|
{$ifdef GDB}
 | 
						|
      includecount:=0;
 | 
						|
      n_line:=n_bssline;
 | 
						|
      lastline:=0;
 | 
						|
      lastfileindex:=0;
 | 
						|
      funcname:=nil;
 | 
						|
      linecount:=1;
 | 
						|
      fileinfo.fileindex:=1;
 | 
						|
      fileinfo.line:=1;
 | 
						|
      { Write main file }
 | 
						|
      WriteFileLineInfo(fileinfo);
 | 
						|
{$endif GDB}
 | 
						|
      AsmStartSize:=AsmSize;
 | 
						|
 | 
						|
      countlabelref:=false;
 | 
						|
      { there should be nothing but externals so we don't need to process
 | 
						|
      WriteTree(externals); }
 | 
						|
 | 
						|
      WriteTree(debuglist);
 | 
						|
      WriteTree(codesegment);
 | 
						|
      WriteTree(datasegment);
 | 
						|
      WriteTree(consts);
 | 
						|
      WriteTree(rttilist);
 | 
						|
      WriteTree(bsssegment);
 | 
						|
      Writetree(importssection);
 | 
						|
      Writetree(exportssection);
 | 
						|
      Writetree(resourcesection);
 | 
						|
      countlabelref:=true;
 | 
						|
 | 
						|
      AsmLn;
 | 
						|
{$ifdef EXTDEBUG}
 | 
						|
      if assigned(current_module^.mainsource) then
 | 
						|
       comment(v_info,'Done writing gas-styled assembler output for '+current_module^.mainsource^);
 | 
						|
{$endif EXTDEBUG}
 | 
						|
    end;
 | 
						|
 | 
						|
end.
 | 
						|
{
 | 
						|
  $Log$
 | 
						|
  Revision 1.25  2000-02-09 13:22:44  peter
 | 
						|
    * log truncated
 | 
						|
 | 
						|
  Revision 1.24  2000/01/07 01:14:18  peter
 | 
						|
    * updated copyright to 2000
 | 
						|
 | 
						|
  Revision 1.23  1999/09/16 23:05:51  florian
 | 
						|
    * m68k compiler is again compilable (only gas writer, no assembler reader)
 | 
						|
 | 
						|
}
 |