mirror of
				https://gitlab.com/freepascal.org/fpc/source.git
				synced 2025-11-04 05:39:29 +01:00 
			
		
		
		
	
		
			
				
	
	
		
			944 lines
		
	
	
		
			29 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
			
		
		
	
	
			944 lines
		
	
	
		
			29 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
{
 | 
						|
    $Id$
 | 
						|
    Copyright (c) 1996-98 by the FPC development team
 | 
						|
 | 
						|
    This unit implements an asmoutput class for i386 AT&T syntax
 | 
						|
 | 
						|
    This program is free software; you can redistribute it and/or modify
 | 
						|
    it under the terms of the GNU General Public License as published by
 | 
						|
    the Free Software Foundation; either version 2 of the License, or
 | 
						|
    (at your option) any later version.
 | 
						|
 | 
						|
    This program is distributed in the hope that it will be useful,
 | 
						|
    but WITHOUT ANY WARRANTY; without even the implied warranty of
 | 
						|
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 | 
						|
    GNU General Public License for more details.
 | 
						|
 | 
						|
    You should have received a copy of the GNU General Public License
 | 
						|
    along with this program; if not, write to the Free Software
 | 
						|
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 | 
						|
 | 
						|
 ****************************************************************************
 | 
						|
}
 | 
						|
{$ifdef TP}
 | 
						|
  {$N+,E+}
 | 
						|
{$endif}
 | 
						|
unit ag386att;
 | 
						|
 | 
						|
    interface
 | 
						|
 | 
						|
    uses cobjects,aasm,assemble;
 | 
						|
 | 
						|
    type
 | 
						|
      pi386attasmlist=^ti386attasmlist;
 | 
						|
      ti386attasmlist=object(tasmlist)
 | 
						|
        procedure WriteTree(p:paasmoutput);virtual;
 | 
						|
        procedure WriteAsmList;virtual;
 | 
						|
{$ifdef GDB}
 | 
						|
        procedure WriteFileLineInfo(var fileinfo : tfileposinfo);
 | 
						|
{$endif}
 | 
						|
      end;
 | 
						|
 | 
						|
  implementation
 | 
						|
 | 
						|
    uses
 | 
						|
{$ifdef Delphi}
 | 
						|
      dmisc,
 | 
						|
{$else Delphi}
 | 
						|
      dos,
 | 
						|
{$endif Delphi}
 | 
						|
      strings,
 | 
						|
      globtype,globals,systems,
 | 
						|
      files,verbose,cpubase,cpuasm
 | 
						|
{$ifdef GDB}
 | 
						|
      ,gdb
 | 
						|
{$endif GDB}
 | 
						|
      ;
 | 
						|
 | 
						|
    const
 | 
						|
      line_length = 70;
 | 
						|
 | 
						|
    var
 | 
						|
{$ifdef GDB}
 | 
						|
      n_line       : byte;     { different types of source lines }
 | 
						|
      linecount,
 | 
						|
      includecount : longint;
 | 
						|
      funcname     : pchar;
 | 
						|
      stabslastfileinfo : tfileposinfo;
 | 
						|
{$endif}
 | 
						|
      lastsec      : tsection; { last section type written }
 | 
						|
      lastfileinfo : tfileposinfo;
 | 
						|
      infile,
 | 
						|
      lastinfile   : pinputfile;
 | 
						|
      symendcount  : longint;
 | 
						|
 | 
						|
   function fixline(s:string):string;
 | 
						|
   {
 | 
						|
     return s with all leading and ending spaces and tabs removed
 | 
						|
   }
 | 
						|
     var
 | 
						|
       i,j,k : longint;
 | 
						|
     begin
 | 
						|
       i:=length(s);
 | 
						|
       while (i>0) and (s[i] in [#9,' ']) do
 | 
						|
        dec(i);
 | 
						|
       j:=1;
 | 
						|
       while (j<i) and (s[j] in [#9,' ']) do
 | 
						|
        inc(j);
 | 
						|
       for k:=j to i do
 | 
						|
        if s[k] in [#0..#31,#127..#255] then
 | 
						|
         s[k]:='.';
 | 
						|
       fixline:=Copy(s,j,i-j+1);
 | 
						|
     end;
 | 
						|
 | 
						|
    function single2str(d : single) : string;
 | 
						|
      var
 | 
						|
         hs : string;
 | 
						|
      begin
 | 
						|
         str(d,hs);
 | 
						|
      { replace space with + }
 | 
						|
         if hs[1]=' ' then
 | 
						|
          hs[1]:='+';
 | 
						|
         single2str:='0d'+hs
 | 
						|
      end;
 | 
						|
 | 
						|
    function double2str(d : double) : string;
 | 
						|
      var
 | 
						|
         hs : string;
 | 
						|
      begin
 | 
						|
         str(d,hs);
 | 
						|
      { replace space with + }
 | 
						|
         if hs[1]=' ' then
 | 
						|
          hs[1]:='+';
 | 
						|
         double2str:='0d'+hs
 | 
						|
      end;
 | 
						|
 | 
						|
    function extended2str(e : extended) : string;
 | 
						|
      var
 | 
						|
         hs : string;
 | 
						|
      begin
 | 
						|
         str(e,hs);
 | 
						|
      { replace space with + }
 | 
						|
         if hs[1]=' ' then
 | 
						|
          hs[1]:='+';
 | 
						|
         extended2str:='0d'+hs
 | 
						|
      end;
 | 
						|
 | 
						|
    type
 | 
						|
      pdouble = ^double;
 | 
						|
    function comp2str(d : bestreal) : string;
 | 
						|
      var
 | 
						|
        c  : comp;
 | 
						|
        dd : pdouble;
 | 
						|
      begin
 | 
						|
{$ifdef FPC}
 | 
						|
         c:=comp(d);
 | 
						|
{$else}
 | 
						|
         c:=d;
 | 
						|
{$endif}
 | 
						|
         dd:=pdouble(@c); { this makes a bitwise copy of c into a double }
 | 
						|
         comp2str:=double2str(dd^);
 | 
						|
      end;
 | 
						|
 | 
						|
 | 
						|
    function getreferencestring(var ref : treference) : string;
 | 
						|
    var
 | 
						|
      s : string;
 | 
						|
    begin
 | 
						|
      if ref.is_immediate then
 | 
						|
       begin
 | 
						|
         internalerror(1000101);
 | 
						|
         exit;
 | 
						|
       end
 | 
						|
      else
 | 
						|
       begin
 | 
						|
         with ref do
 | 
						|
          begin
 | 
						|
            inc(offset,offsetfixup);
 | 
						|
            offsetfixup:=0;
 | 
						|
          { have we a segment prefix ? }
 | 
						|
          { These are probably not correctly handled under GAS }
 | 
						|
          { should be replaced by coding the segment override  }
 | 
						|
          { directly! - DJGPP FAQ                              }
 | 
						|
            if segment<>R_NO then
 | 
						|
             s:=att_reg2str[segment]+':'
 | 
						|
            else
 | 
						|
             s:='';
 | 
						|
            if assigned(symbol) then
 | 
						|
             s:=s+symbol^.name;
 | 
						|
            if offset<0 then
 | 
						|
             s:=s+tostr(offset)
 | 
						|
            else
 | 
						|
             if (offset>0) then
 | 
						|
              begin
 | 
						|
                if assigned(symbol) then
 | 
						|
                 s:=s+'+'+tostr(offset)
 | 
						|
                else
 | 
						|
                 s:=s+tostr(offset);
 | 
						|
              end;
 | 
						|
            if (index<>R_NO) and (base=R_NO) then
 | 
						|
             Begin
 | 
						|
               s:=s+'(,'+att_reg2str[index];
 | 
						|
               if scalefactor<>0 then
 | 
						|
                s:=s+','+tostr(scalefactor)+')'
 | 
						|
               else
 | 
						|
                s:=s+')';
 | 
						|
             end
 | 
						|
            else
 | 
						|
             if (index=R_NO) and (base<>R_NO) then
 | 
						|
              s:=s+'('+att_reg2str[base]+')'
 | 
						|
             else
 | 
						|
              if (index<>R_NO) and (base<>R_NO) then
 | 
						|
               Begin
 | 
						|
                 s:=s+'('+att_reg2str[base]+','+att_reg2str[index];
 | 
						|
                 if scalefactor<>0 then
 | 
						|
                  s:=s+','+tostr(scalefactor)+')'
 | 
						|
                 else
 | 
						|
                  s := s+')';
 | 
						|
               end;
 | 
						|
          end;
 | 
						|
       end;
 | 
						|
      getreferencestring:=s;
 | 
						|
    end;
 | 
						|
 | 
						|
    function getopstr(const o:toper) : string;
 | 
						|
    var
 | 
						|
      hs : string;
 | 
						|
    begin
 | 
						|
      case o.typ of
 | 
						|
        top_reg :
 | 
						|
          getopstr:=att_reg2str[o.reg];
 | 
						|
        top_ref :
 | 
						|
          getopstr:=getreferencestring(o.ref^);
 | 
						|
        top_const :
 | 
						|
          getopstr:='$'+tostr(o.val);
 | 
						|
        top_symbol :
 | 
						|
          begin
 | 
						|
            if assigned(o.sym) then
 | 
						|
              hs:='$'+o.sym^.name
 | 
						|
            else
 | 
						|
              hs:='$';
 | 
						|
            if o.symofs>0 then
 | 
						|
             hs:=hs+'+'+tostr(o.symofs)
 | 
						|
            else
 | 
						|
             if o.symofs<0 then
 | 
						|
              hs:=hs+tostr(o.symofs)
 | 
						|
            else
 | 
						|
             if not(assigned(o.sym)) then
 | 
						|
               hs:=hs+'0';
 | 
						|
            getopstr:=hs;
 | 
						|
          end;
 | 
						|
        else
 | 
						|
          internalerror(10001);
 | 
						|
      end;
 | 
						|
    end;
 | 
						|
 | 
						|
    function getopstr_jmp(const o:toper) : string;
 | 
						|
    var
 | 
						|
      hs : string;
 | 
						|
    begin
 | 
						|
      case o.typ of
 | 
						|
        top_reg :
 | 
						|
          getopstr_jmp:='*'+att_reg2str[o.reg];
 | 
						|
        top_ref :
 | 
						|
          getopstr_jmp:='*'+getreferencestring(o.ref^);
 | 
						|
        top_const :
 | 
						|
          getopstr_jmp:=tostr(o.val);
 | 
						|
        top_symbol :
 | 
						|
          begin
 | 
						|
            hs:=o.sym^.name;
 | 
						|
            if o.symofs>0 then
 | 
						|
             hs:=hs+'+'+tostr(o.symofs)
 | 
						|
            else
 | 
						|
             if o.symofs<0 then
 | 
						|
              hs:=hs+tostr(o.symofs);
 | 
						|
            getopstr_jmp:=hs;
 | 
						|
          end;
 | 
						|
        else
 | 
						|
          internalerror(10001);
 | 
						|
      end;
 | 
						|
    end;
 | 
						|
 | 
						|
 | 
						|
{****************************************************************************
 | 
						|
                            TI386ATTASMOUTPUT
 | 
						|
 ****************************************************************************}
 | 
						|
 | 
						|
    const
 | 
						|
      ait_const2str : array[ait_const_32bit..ait_const_8bit] of string[8]=
 | 
						|
       (#9'.long'#9,#9'.short'#9,#9'.byte'#9);
 | 
						|
 | 
						|
 | 
						|
    function ait_section2str(s:tsection):string;
 | 
						|
    begin
 | 
						|
       ait_section2str:=target_asm.secnames[s];
 | 
						|
{$ifdef GDB}
 | 
						|
       { this is needed for line info in data }
 | 
						|
       funcname:=nil;
 | 
						|
       case s of
 | 
						|
         sec_code : n_line:=n_textline;
 | 
						|
         sec_data : n_line:=n_dataline;
 | 
						|
         sec_bss  : n_line:=n_bssline;
 | 
						|
         else       n_line:=n_dataline;
 | 
						|
      end;
 | 
						|
{$endif GDB}
 | 
						|
      LastSec:=s;
 | 
						|
    end;
 | 
						|
 | 
						|
 | 
						|
{$ifdef GDB}
 | 
						|
      procedure ti386attasmlist.WriteFileLineInfo(var fileinfo : tfileposinfo);
 | 
						|
        var
 | 
						|
          curr_n : byte;
 | 
						|
        begin
 | 
						|
          if not (cs_debuginfo in aktmoduleswitches) then
 | 
						|
           exit;
 | 
						|
        { file changed ? (must be before line info) }
 | 
						|
          if (fileinfo.fileindex<>0) and
 | 
						|
             (stabslastfileinfo.fileindex<>fileinfo.fileindex) then
 | 
						|
           begin
 | 
						|
             infile:=current_module^.sourcefiles^.get_file(fileinfo.fileindex);
 | 
						|
             if assigned(infile) then
 | 
						|
              begin
 | 
						|
                if includecount=0 then
 | 
						|
                 curr_n:=n_sourcefile
 | 
						|
                else
 | 
						|
                 curr_n:=n_includefile;
 | 
						|
                if (infile^.path^<>'') then
 | 
						|
                 begin
 | 
						|
                   AsmWriteLn(#9'.stabs "'+lower(BsToSlash(FixPath(infile^.path^,false)))+'",'+
 | 
						|
                     tostr(curr_n)+',0,0,'+'Ltext'+ToStr(IncludeCount));
 | 
						|
                 end;
 | 
						|
                AsmWriteLn(#9'.stabs "'+lower(FixFileName(infile^.name^))+'",'+
 | 
						|
                  tostr(curr_n)+',0,0,'+'Ltext'+ToStr(IncludeCount));
 | 
						|
                AsmWriteLn('Ltext'+ToStr(IncludeCount)+':');
 | 
						|
                inc(includecount);
 | 
						|
              end;
 | 
						|
           end;
 | 
						|
        { line changed ? }
 | 
						|
          if (stabslastfileinfo.line<>fileinfo.line) and (fileinfo.line<>0) then
 | 
						|
           begin
 | 
						|
             if (n_line=n_textline) and assigned(funcname) and
 | 
						|
                (target_os.use_function_relative_addresses) then
 | 
						|
              begin
 | 
						|
                AsmWriteLn(target_asm.labelprefix+'l'+tostr(linecount)+':');
 | 
						|
                AsmWrite(#9'.stabn '+tostr(n_line)+',0,'+tostr(fileinfo.line)+','+
 | 
						|
                           target_asm.labelprefix+'l'+tostr(linecount)+' - ');
 | 
						|
                AsmWritePChar(FuncName);
 | 
						|
                AsmLn;
 | 
						|
                inc(linecount);
 | 
						|
              end
 | 
						|
             else
 | 
						|
              AsmWriteLn(#9'.stabd'#9+tostr(n_line)+',0,'+tostr(fileinfo.line));
 | 
						|
           end;
 | 
						|
          stabslastfileinfo:=fileinfo;
 | 
						|
        end;
 | 
						|
{$endif GDB}
 | 
						|
 | 
						|
 | 
						|
    procedure ti386attasmlist.WriteTree(p:paasmoutput);
 | 
						|
    const
 | 
						|
      allocstr : array[boolean] of string[10]=(' released',' allocated');
 | 
						|
      nolinetai =[ait_label,
 | 
						|
                  ait_regalloc,ait_tempalloc,
 | 
						|
                  ait_stabn,ait_stabs,ait_section,
 | 
						|
                  ait_cut,ait_marker,ait_align,ait_stab_function_name];
 | 
						|
    type
 | 
						|
      t80bitarray = array[0..9] of byte;
 | 
						|
      t64bitarray = array[0..7] of byte;
 | 
						|
      t32bitarray = array[0..3] of byte;
 | 
						|
    var
 | 
						|
      ch       : char;
 | 
						|
      hp       : pai;
 | 
						|
      consttyp : tait;
 | 
						|
      s        : string;
 | 
						|
      found    : boolean;
 | 
						|
      i,pos,l  : longint;
 | 
						|
      co       : comp;
 | 
						|
      sin      : single;
 | 
						|
      d        : double;
 | 
						|
      e        : extended;
 | 
						|
      op       : tasmop;
 | 
						|
      calljmp,
 | 
						|
      do_line  : boolean;
 | 
						|
      sep      : char;
 | 
						|
    begin
 | 
						|
      if not assigned(p) then
 | 
						|
       exit;
 | 
						|
      { lineinfo is only needed for codesegment (PFV) }
 | 
						|
      do_line:=(cs_asm_source in aktglobalswitches) or
 | 
						|
               ((cs_lineinfo in aktmoduleswitches) and (p=codesegment));
 | 
						|
      hp:=pai(p^.first);
 | 
						|
      while assigned(hp) do
 | 
						|
       begin
 | 
						|
         aktfilepos:=hp^.fileinfo;
 | 
						|
 | 
						|
         if not(hp^.typ in nolinetai) then
 | 
						|
          begin
 | 
						|
{$ifdef GDB}
 | 
						|
             { write stabs }
 | 
						|
             if cs_debuginfo in aktmoduleswitches then
 | 
						|
               WriteFileLineInfo(hp^.fileinfo);
 | 
						|
{$endif GDB}
 | 
						|
 | 
						|
             if do_line then
 | 
						|
              begin
 | 
						|
              { load infile }
 | 
						|
                if lastfileinfo.fileindex<>hp^.fileinfo.fileindex then
 | 
						|
                 begin
 | 
						|
                   infile:=current_module^.sourcefiles^.get_file(hp^.fileinfo.fileindex);
 | 
						|
                   if assigned(infile) then
 | 
						|
                    begin
 | 
						|
                      { open only if needed !! }
 | 
						|
                      if (cs_asm_source in aktglobalswitches) then
 | 
						|
                       infile^.open;
 | 
						|
                    end;
 | 
						|
                   { avoid unnecessary reopens of the same file !! }
 | 
						|
                   lastfileinfo.fileindex:=hp^.fileinfo.fileindex;
 | 
						|
                   { be sure to change line !! }
 | 
						|
                   lastfileinfo.line:=-1;
 | 
						|
                 end;
 | 
						|
              { write source }
 | 
						|
                if (cs_asm_source in aktglobalswitches) and
 | 
						|
                   assigned(infile) then
 | 
						|
                 begin
 | 
						|
                   if (infile<>lastinfile) then
 | 
						|
                     begin
 | 
						|
                       AsmWriteLn(target_asm.comment+'['+infile^.name^+']');
 | 
						|
                       if assigned(lastinfile) then
 | 
						|
                         lastinfile^.close;
 | 
						|
                     end;
 | 
						|
                   if (hp^.fileinfo.line<>lastfileinfo.line) and
 | 
						|
                      (hp^.fileinfo.line<infile^.maxlinebuf) then
 | 
						|
                     begin
 | 
						|
                       if (hp^.fileinfo.line<>0) and
 | 
						|
                          (infile^.linebuf^[hp^.fileinfo.line]>=0) then
 | 
						|
                         AsmWriteLn(target_asm.comment+'['+tostr(hp^.fileinfo.line)+'] '+
 | 
						|
                           fixline(infile^.GetLineStr(hp^.fileinfo.line)));
 | 
						|
                       { set it to a negative value !
 | 
						|
                       to make that is has been read already !! PM }
 | 
						|
                       infile^.linebuf^[hp^.fileinfo.line]:=-infile^.linebuf^[hp^.fileinfo.line]-1;
 | 
						|
                     end;
 | 
						|
                 end;
 | 
						|
{$ifdef LINEINFO}
 | 
						|
              { lineinfo }
 | 
						|
                if (cs_lineinfo in aktmoduleswitches) then
 | 
						|
                 begin
 | 
						|
                   if (infile<>lastinfile) then
 | 
						|
                    begin
 | 
						|
                      lineinfolist^.concat(new(pai_const(init_8bit
 | 
						|
                    end
 | 
						|
                   else
 | 
						|
                    begin
 | 
						|
                    end;
 | 
						|
                 end;
 | 
						|
{$endif LINEINFO}
 | 
						|
                lastfileinfo:=hp^.fileinfo;
 | 
						|
                lastinfile:=infile;
 | 
						|
              end;
 | 
						|
          end;
 | 
						|
 | 
						|
         case hp^.typ of
 | 
						|
 | 
						|
           ait_comment :
 | 
						|
             Begin
 | 
						|
               AsmWrite(target_asm.comment);
 | 
						|
               AsmWritePChar(pai_asm_comment(hp)^.str);
 | 
						|
               AsmLn;
 | 
						|
             End;
 | 
						|
 | 
						|
           ait_regalloc :
 | 
						|
             begin
 | 
						|
               if (cs_asm_regalloc in aktglobalswitches) then
 | 
						|
                 AsmWriteLn(target_asm.comment+'Register '+att_reg2str[pairegalloc(hp)^.reg]+
 | 
						|
                   allocstr[pairegalloc(hp)^.allocation]);
 | 
						|
             end;
 | 
						|
 | 
						|
           ait_tempalloc :
 | 
						|
             begin
 | 
						|
               if (cs_asm_tempalloc in aktglobalswitches) then
 | 
						|
                 AsmWriteLn(target_asm.comment+'Temp '+tostr(paitempalloc(hp)^.temppos)+','+
 | 
						|
                   tostr(paitempalloc(hp)^.tempsize)+allocstr[paitempalloc(hp)^.allocation]);
 | 
						|
             end;
 | 
						|
 | 
						|
           ait_align :
 | 
						|
             begin
 | 
						|
               AsmWrite(#9'.balign '+tostr(pai_align(hp)^.aligntype));
 | 
						|
               if pai_align(hp)^.use_op then
 | 
						|
                AsmWrite(','+tostr(pai_align(hp)^.fillop));
 | 
						|
               AsmLn;
 | 
						|
             end;
 | 
						|
 | 
						|
           ait_section :
 | 
						|
             begin
 | 
						|
               if pai_section(hp)^.sec<>sec_none then
 | 
						|
                begin
 | 
						|
                  AsmLn;
 | 
						|
                  AsmWriteLn(ait_section2str(pai_section(hp)^.sec));
 | 
						|
{$ifdef GDB}
 | 
						|
                  lastfileinfo.line:=-1;
 | 
						|
{$endif GDB}
 | 
						|
                end;
 | 
						|
             end;
 | 
						|
 | 
						|
           ait_datablock :
 | 
						|
             begin
 | 
						|
               if pai_datablock(hp)^.is_global then
 | 
						|
                AsmWrite(#9'.comm'#9)
 | 
						|
               else
 | 
						|
                AsmWrite(#9'.lcomm'#9);
 | 
						|
               AsmWrite(pai_datablock(hp)^.sym^.name);
 | 
						|
               AsmWriteLn(','+tostr(pai_datablock(hp)^.size));
 | 
						|
             end;
 | 
						|
 | 
						|
           ait_const_32bit,
 | 
						|
           ait_const_16bit,
 | 
						|
           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
 | 
						|
               AsmWrite(#9'.long'#9+pai_const_symbol(hp)^.sym^.name);
 | 
						|
               if pai_const_symbol(hp)^.offset>0 then
 | 
						|
                 AsmWrite('+'+tostr(pai_const_symbol(hp)^.offset))
 | 
						|
               else if pai_const_symbol(hp)^.offset<0 then
 | 
						|
                 AsmWrite(tostr(pai_const_symbol(hp)^.offset));
 | 
						|
               AsmLn;
 | 
						|
             end;
 | 
						|
 | 
						|
           ait_const_rva :
 | 
						|
             AsmWriteLn(#9'.rva'#9+pai_const_symbol(hp)^.sym^.name);
 | 
						|
 | 
						|
           ait_real_80bit :
 | 
						|
             begin
 | 
						|
               if do_line then
 | 
						|
                AsmWriteLn(target_asm.comment+extended2str(pai_real_80bit(hp)^.value));
 | 
						|
             { Make sure e is a extended type, bestreal could be
 | 
						|
               a different type (bestreal) !! (PFV) }
 | 
						|
               e:=pai_real_80bit(hp)^.value;
 | 
						|
               AsmWrite(#9'.byte'#9);
 | 
						|
               for i:=0 to 9 do
 | 
						|
                begin
 | 
						|
                  if i<>0 then
 | 
						|
                   AsmWrite(',');
 | 
						|
                  AsmWrite(tostr(t80bitarray(e)[i]));
 | 
						|
                end;
 | 
						|
               AsmLn;
 | 
						|
             end;
 | 
						|
 | 
						|
           ait_real_64bit :
 | 
						|
             begin
 | 
						|
               if do_line then
 | 
						|
                AsmWriteLn(target_asm.comment+double2str(pai_real_64bit(hp)^.value));
 | 
						|
               d:=pai_real_64bit(hp)^.value;
 | 
						|
               AsmWrite(#9'.byte'#9);
 | 
						|
               for i:=0 to 7 do
 | 
						|
                begin
 | 
						|
                  if i<>0 then
 | 
						|
                   AsmWrite(',');
 | 
						|
                  AsmWrite(tostr(t64bitarray(d)[i]));
 | 
						|
                end;
 | 
						|
               AsmLn;
 | 
						|
             end;
 | 
						|
 | 
						|
           ait_real_32bit :
 | 
						|
             begin
 | 
						|
               if do_line then
 | 
						|
                AsmWriteLn(target_asm.comment+single2str(pai_real_32bit(hp)^.value));
 | 
						|
               sin:=pai_real_32bit(hp)^.value;
 | 
						|
               AsmWrite(#9'.byte'#9);
 | 
						|
               for i:=0 to 3 do
 | 
						|
                begin
 | 
						|
                  if i<>0 then
 | 
						|
                   AsmWrite(',');
 | 
						|
                  AsmWrite(tostr(t32bitarray(sin)[i]));
 | 
						|
                end;
 | 
						|
               AsmLn;
 | 
						|
             end;
 | 
						|
 | 
						|
           ait_comp_64bit :
 | 
						|
             begin
 | 
						|
               if do_line then
 | 
						|
                AsmWriteLn(target_asm.comment+comp2str(pai_comp_64bit(hp)^.value));
 | 
						|
               AsmWrite(#9'.byte'#9);
 | 
						|
{$ifdef FPC}
 | 
						|
               co:=comp(pai_comp_64bit(hp)^.value);
 | 
						|
{$else}
 | 
						|
               co:=pai_comp_64bit(hp)^.value;
 | 
						|
{$endif}
 | 
						|
               for i:=0 to 7 do
 | 
						|
                begin
 | 
						|
                  if i<>0 then
 | 
						|
                   AsmWrite(',');
 | 
						|
                  AsmWrite(tostr(t64bitarray(co)[i]));
 | 
						|
                end;
 | 
						|
               AsmLn;
 | 
						|
             end;
 | 
						|
 | 
						|
           ait_direct :
 | 
						|
             begin
 | 
						|
               AsmWritePChar(pai_direct(hp)^.str);
 | 
						|
               AsmLn;
 | 
						|
{$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 (pai_label(hp)^.l^.is_used) then
 | 
						|
                begin
 | 
						|
                  if pai_label(hp)^.l^.typ=AS_GLOBAL then
 | 
						|
                   begin
 | 
						|
                     AsmWrite('.globl'#9);
 | 
						|
                     AsmWriteLn(pai_label(hp)^.l^.name);
 | 
						|
                   end;
 | 
						|
                  AsmWrite(pai_label(hp)^.l^.name);
 | 
						|
                  AsmWriteLn(':');
 | 
						|
                end;
 | 
						|
             end;
 | 
						|
 | 
						|
           ait_symbol :
 | 
						|
             begin
 | 
						|
               if pai_symbol(hp)^.is_global then
 | 
						|
                begin
 | 
						|
                  AsmWrite('.globl'#9);
 | 
						|
                  AsmWriteLn(pai_symbol(hp)^.sym^.name);
 | 
						|
                end;
 | 
						|
               if target_info.target=target_i386_linux then
 | 
						|
                begin
 | 
						|
                   AsmWrite(#9'.type'#9);
 | 
						|
                   AsmWrite(pai_symbol(hp)^.sym^.name);
 | 
						|
                   if assigned(pai(hp^.next)) and
 | 
						|
                      (pai(hp^.next)^.typ in [ait_const_symbol,ait_const_rva,
 | 
						|
                         ait_const_32bit,ait_const_16bit,ait_const_8bit,ait_datablock,
 | 
						|
                         ait_real_32bit,ait_real_64bit,ait_real_80bit,ait_comp_64bit]) then
 | 
						|
                    AsmWriteLn(',@object')
 | 
						|
                   else
 | 
						|
                    AsmWriteLn(',@function');
 | 
						|
                   if pai_symbol(hp)^.sym^.size>0 then
 | 
						|
                    begin
 | 
						|
                      AsmWrite(#9'.size'#9);
 | 
						|
                      AsmWrite(pai_symbol(hp)^.sym^.name);
 | 
						|
                      AsmWrite(', ');
 | 
						|
                      AsmWriteLn(tostr(pai_symbol(hp)^.sym^.size));
 | 
						|
                    end;
 | 
						|
                end;
 | 
						|
               AsmWrite(pai_symbol(hp)^.sym^.name);
 | 
						|
               AsmWriteLn(':');
 | 
						|
             end;
 | 
						|
 | 
						|
           ait_symbol_end :
 | 
						|
             begin
 | 
						|
               if target_info.target=target_i386_linux then
 | 
						|
                begin
 | 
						|
                  s:=target_asm.labelprefix+'e'+tostr(symendcount);
 | 
						|
                  inc(symendcount);
 | 
						|
                  AsmWriteLn(s+':');
 | 
						|
                  AsmWrite(#9'.size'#9);
 | 
						|
                  AsmWrite(pai_symbol(hp)^.sym^.name);
 | 
						|
                  AsmWrite(', '+s+' - ');
 | 
						|
                  AsmWriteLn(pai_symbol(hp)^.sym^.name);
 | 
						|
                end;
 | 
						|
             end;
 | 
						|
 | 
						|
           ait_instruction :
 | 
						|
             begin
 | 
						|
               op:=paicpu(hp)^.opcode;
 | 
						|
               calljmp:=is_calljmp(op);
 | 
						|
             { call maybe not translated to call }
 | 
						|
               s:=#9+att_op2str[op]+cond2str[paicpu(hp)^.condition];
 | 
						|
               if (not calljmp) and
 | 
						|
                  (att_needsuffix[op]) and
 | 
						|
                  not(
 | 
						|
                   (paicpu(hp)^.oper[0].typ=top_reg) and
 | 
						|
                   (paicpu(hp)^.oper[0].reg in [R_ST..R_ST7])
 | 
						|
                  ) then
 | 
						|
                s:=s+att_opsize2str[paicpu(hp)^.opsize];
 | 
						|
             { process operands }
 | 
						|
               if paicpu(hp)^.ops<>0 then
 | 
						|
                begin
 | 
						|
                { call and jmp need an extra handling                          }
 | 
						|
                { this code is only called if jmp isn't a labeled instruction  }
 | 
						|
                { quick hack to overcome a problem with manglednames=255 chars }
 | 
						|
                  if calljmp then
 | 
						|
                    begin
 | 
						|
                       AsmWrite(s+#9);
 | 
						|
                       s:=+getopstr_jmp(paicpu(hp)^.oper[0]);
 | 
						|
                    end
 | 
						|
                  else
 | 
						|
                   begin
 | 
						|
                     for i:=0 to paicpu(hp)^.ops-1 do
 | 
						|
                      begin
 | 
						|
                        if i=0 then
 | 
						|
                         sep:=#9
 | 
						|
                        else
 | 
						|
                         sep:=',';
 | 
						|
                        s:=s+sep+getopstr(paicpu(hp)^.oper[i])
 | 
						|
                      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 :
 | 
						|
             stabslastfileinfo.line:=0;
 | 
						|
 | 
						|
           ait_stab_function_name:
 | 
						|
             funcname:=pai_stab_function_name(hp)^.str;
 | 
						|
{$endif GDB}
 | 
						|
 | 
						|
           ait_cut :
 | 
						|
             begin
 | 
						|
               if SmartAsm then
 | 
						|
                begin
 | 
						|
                { only reset buffer if nothing has changed }
 | 
						|
                  if AsmSize=AsmStartSize then
 | 
						|
                   AsmClear
 | 
						|
                  else
 | 
						|
                   begin
 | 
						|
                     AsmClose;
 | 
						|
                     DoAssemble;
 | 
						|
                     AsmCreate(pai_cut(hp)^.place);
 | 
						|
                   end;
 | 
						|
                { avoid empty files }
 | 
						|
                  while assigned(hp^.next) and (pai(hp^.next)^.typ in [ait_cut,ait_section,ait_comment]) do
 | 
						|
                   begin
 | 
						|
                     if pai(hp^.next)^.typ=ait_section then
 | 
						|
                       lastsec:=pai_section(hp^.next)^.sec;
 | 
						|
                     hp:=pai(hp^.next);
 | 
						|
                   end;
 | 
						|
{$ifdef GDB}
 | 
						|
                  { force write of filename }
 | 
						|
                  FillChar(stabslastfileinfo,sizeof(stabslastfileinfo),0);
 | 
						|
                  includecount:=0;
 | 
						|
                  funcname:=nil;
 | 
						|
                  WriteFileLineInfo(hp^.fileinfo);
 | 
						|
{$endif GDB}
 | 
						|
                  if lastsec<>sec_none then
 | 
						|
                    AsmWriteLn(ait_section2str(lastsec));
 | 
						|
                  AsmStartSize:=AsmSize;
 | 
						|
                end;
 | 
						|
             end;
 | 
						|
 | 
						|
           ait_marker :
 | 
						|
             ;
 | 
						|
 | 
						|
           else
 | 
						|
             internalerror(10000);
 | 
						|
         end;
 | 
						|
         hp:=pai(hp^.next);
 | 
						|
       end;
 | 
						|
    end;
 | 
						|
 | 
						|
 | 
						|
    procedure ti386attasmlist.WriteAsmList;
 | 
						|
    var
 | 
						|
      p:dirstr;
 | 
						|
      n:namestr;
 | 
						|
      e:extstr;
 | 
						|
{$ifdef GDB}
 | 
						|
      fileinfo : tfileposinfo;
 | 
						|
{$endif GDB}
 | 
						|
 | 
						|
    begin
 | 
						|
{$ifdef EXTDEBUG}
 | 
						|
      if assigned(current_module^.mainsource) then
 | 
						|
       Comment(v_info,'Start writing att-styled assembler output for '+current_module^.mainsource^);
 | 
						|
{$endif}
 | 
						|
 | 
						|
      LastSec:=sec_none;
 | 
						|
{$ifdef GDB}
 | 
						|
      FillChar(stabslastfileinfo,sizeof(stabslastfileinfo),0);
 | 
						|
{$endif GDB}
 | 
						|
      FillChar(lastfileinfo,sizeof(lastfileinfo),0);
 | 
						|
      LastInfile:=nil;
 | 
						|
 | 
						|
      if assigned(current_module^.mainsource) then
 | 
						|
       fsplit(current_module^.mainsource^,p,n,e)
 | 
						|
      else
 | 
						|
       begin
 | 
						|
         p:=inputdir;
 | 
						|
         n:=inputfile;
 | 
						|
         e:=inputextension;
 | 
						|
       end;
 | 
						|
    { to get symify to work }
 | 
						|
      AsmWriteLn(#9'.file "'+FixFileName(n+e)+'"');
 | 
						|
 | 
						|
{$ifdef GDB}
 | 
						|
      n_line:=n_bssline;
 | 
						|
      funcname:=nil;
 | 
						|
      linecount:=1;
 | 
						|
      includecount:=0;
 | 
						|
      fileinfo.fileindex:=1;
 | 
						|
      fileinfo.line:=1;
 | 
						|
      { Write main file }
 | 
						|
      WriteFileLineInfo(fileinfo);
 | 
						|
{$endif GDB}
 | 
						|
      AsmStartSize:=AsmSize;
 | 
						|
      symendcount:=0;
 | 
						|
 | 
						|
      countlabelref:=false;
 | 
						|
      If (cs_debuginfo in aktmoduleswitches) then
 | 
						|
        WriteTree(debuglist);
 | 
						|
      WriteTree(codesegment);
 | 
						|
      WriteTree(datasegment);
 | 
						|
      WriteTree(consts);
 | 
						|
      WriteTree(rttilist);
 | 
						|
      Writetree(resourcestringlist);
 | 
						|
      WriteTree(bsssegment);
 | 
						|
      Writetree(importssection);
 | 
						|
      { exports are written by DLLTOOL
 | 
						|
        if we use it so don't insert it twice (PM) }
 | 
						|
      if not RelocSection then
 | 
						|
        Writetree(exportssection);
 | 
						|
      Writetree(resourcesection);
 | 
						|
      countlabelref:=true;
 | 
						|
 | 
						|
      AsmLn;
 | 
						|
{$ifdef EXTDEBUG}
 | 
						|
      if assigned(current_module^.mainsource) then
 | 
						|
       comment(v_info,'Done writing att-styled assembler output for '+current_module^.mainsource^);
 | 
						|
{$endif EXTDEBUG}
 | 
						|
    end;
 | 
						|
 | 
						|
 | 
						|
end.
 | 
						|
{
 | 
						|
  $Log$
 | 
						|
  Revision 1.20  1999-11-06 14:34:16  peter
 | 
						|
    * truncated log to 20 revs
 | 
						|
 | 
						|
  Revision 1.19  1999/11/02 15:06:56  peter
 | 
						|
    * import library fixes for win32
 | 
						|
    * alignment works again
 | 
						|
 | 
						|
  Revision 1.18  1999/10/27 16:11:28  peter
 | 
						|
    * insns.dat is used to generate all i386*.inc files
 | 
						|
 | 
						|
  Revision 1.17  1999/09/27 23:36:33  peter
 | 
						|
    * fixed -al with macro's
 | 
						|
 | 
						|
  Revision 1.16  1999/09/21 20:53:21  florian
 | 
						|
    * fixed 1/s problem from mailing list
 | 
						|
 | 
						|
  Revision 1.15  1999/09/19 20:55:11  florian
 | 
						|
    * fixed calls to procedures with manglednames=255 chars
 | 
						|
      (taking the address of such a procedure would still cause a problem!)
 | 
						|
 | 
						|
  Revision 1.14  1999/09/10 18:48:00  florian
 | 
						|
    * some bug fixes (e.g. must_be_valid and procinfo.funcret_is_valid)
 | 
						|
    * most things for stored properties fixed
 | 
						|
 | 
						|
  Revision 1.13  1999/09/02 17:07:38  florian
 | 
						|
    * problems with -Or fixed: tdef.isfpuregable was wrong!
 | 
						|
 | 
						|
  Revision 1.12  1999/08/25 16:03:46  peter
 | 
						|
    * symbol name is now written using separate asmwrite() calls to overcome
 | 
						|
      > 255 char strings
 | 
						|
 | 
						|
  Revision 1.11  1999/08/25 11:59:32  jonas
 | 
						|
    * changed pai386, paippc and paiapha (same for tai*) to paicpu (taicpu)
 | 
						|
 | 
						|
  Revision 1.10  1999/08/13 15:44:57  peter
 | 
						|
    * first things to include lineinfo in the executable
 | 
						|
 | 
						|
  Revision 1.9  1999/08/10 12:26:20  pierre
 | 
						|
   * avoid double .edata section if using DLLTOOL
 | 
						|
 | 
						|
  Revision 1.8  1999/08/04 00:22:34  florian
 | 
						|
    * renamed i386asm and i386base to cpuasm and cpubase
 | 
						|
 | 
						|
  Revision 1.7  1999/07/30 12:26:07  peter
 | 
						|
    * write .size only for linux
 | 
						|
 | 
						|
  Revision 1.6  1999/07/29 20:53:56  peter
 | 
						|
    * write .size also
 | 
						|
 | 
						|
  Revision 1.5  1999/07/22 09:37:29  florian
 | 
						|
    + resourcestring implemented
 | 
						|
    + start of longstring support
 | 
						|
 | 
						|
  Revision 1.4  1999/07/18 10:19:38  florian
 | 
						|
    * made it compilable with Dlephi 4 again
 | 
						|
    + fixed problem with large stack allocations on win32
 | 
						|
 | 
						|
  Revision 1.3  1999/07/03 00:27:04  peter
 | 
						|
    * better smartlinking support
 | 
						|
 | 
						|
  Revision 1.2  1999/06/22 15:25:14  peter
 | 
						|
    * merged
 | 
						|
 | 
						|
  Revision 1.1.2.1  1999/06/22 15:23:08  peter
 | 
						|
    * reinserted
 | 
						|
 | 
						|
  Revision 1.100  1999/06/22 14:41:20  peter
 | 
						|
    * merged
 | 
						|
 | 
						|
}
 |