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			926 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
			
		
		
	
	
			926 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
| {
 | |
|     $Id$
 | |
|     Copyright (c) 1998-2000 by Florian Klaempfl
 | |
| 
 | |
|     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.
 | |
| 
 | |
|  ****************************************************************************
 | |
| }
 | |
| unit ag386att;
 | |
| 
 | |
| {$i defines.inc}
 | |
| 
 | |
| interface
 | |
| 
 | |
|     uses
 | |
|       cobjects,
 | |
|       globals,
 | |
|       aasm,assemble;
 | |
| 
 | |
|     type
 | |
|       T386ATTAssembler=class(texternalassembler)
 | |
|         procedure WriteTree(p:TAAsmoutput);override;
 | |
|         procedure WriteAsmList;override;
 | |
| {$ifdef GDB}
 | |
|         procedure WriteFileLineInfo(var fileinfo : tfileposinfo);
 | |
|         procedure WriteFileEndInfo;
 | |
| {$endif}
 | |
|       end;
 | |
| 
 | |
|   implementation
 | |
| 
 | |
|     uses
 | |
| {$ifdef Delphi}
 | |
|       sysutils,
 | |
|       dmisc,
 | |
| {$else Delphi}
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|       strings,
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|       dos,
 | |
| {$endif Delphi}
 | |
|       cutils,globtype,systems,
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|       fmodule,finput,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   : tinputfile;
 | |
|       symendcount  : longint;
 | |
| 
 | |
|    function fixline(s:string):string;
 | |
|    {
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|      return s with all leading and ending spaces and tabs removed
 | |
|    }
 | |
|      var
 | |
|        i,j,k : longint;
 | |
|      begin
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|        i:=length(s);
 | |
|        while (i>0) and (s[i] in [#9,' ']) do
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|         dec(i);
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|        j:=1;
 | |
|        while (j<i) and (s[j] in [#9,' ']) do
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|         inc(j);
 | |
|        for k:=j to i do
 | |
|         if s[k] in [#0..#31,#127..#255] then
 | |
|          s[k]:='.';
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|        fixline:=Copy(s,j,i-j+1);
 | |
|      end;
 | |
| 
 | |
|     function single2str(d : single) : string;
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|       var
 | |
|          hs : string;
 | |
|       begin
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|          str(d,hs);
 | |
|       { replace space with + }
 | |
|          if hs[1]=' ' then
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|           hs[1]:='+';
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|          single2str:='0d'+hs
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|       end;
 | |
| 
 | |
|     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);
 | |
|       { replace space with + }
 | |
|          if hs[1]=' ' then
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|           hs[1]:='+';
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|          double2str:='0d'+hs
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|       end;
 | |
| 
 | |
|     function extended2str(e : extended) : string;
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|       var
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|          hs : string;
 | |
|       begin
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|          str(e,hs);
 | |
|       { replace space with + }
 | |
|          if hs[1]=' ' then
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|           hs[1]:='+';
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|          extended2str:='0d'+hs
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|       end;
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| 
 | |
|     type
 | |
|       pdouble = ^double;
 | |
|     function comp2str(d : bestreal) : string;
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|       var
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|         c  : comp;
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|         dd : pdouble;
 | |
|       begin
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| {$ifdef FPC}
 | |
|          c:=comp(d);
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| {$else}
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|          c:=d;
 | |
| {$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^);
 | |
|       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                              }
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|             if segment<>R_NO then
 | |
|              s:=att_reg2str[segment]+':'
 | |
|             else
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|              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 :
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|           getopstr:='$'+tostr(o.val);
 | |
|         top_symbol :
 | |
|           begin
 | |
|             if assigned(o.sym) then
 | |
|               hs:='$'+o.sym^.name
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|             else
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|               hs:='$';
 | |
|             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];
 | |
| {$ifdef GDB}
 | |
|        { this is needed for line info in data }
 | |
|        funcname:=nil;
 | |
|        case s of
 | |
|          sec_code : n_line:=n_textline;
 | |
|          sec_data : n_line:=n_dataline;
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|          sec_bss  : n_line:=n_bssline;
 | |
|          else       n_line:=n_dataline;
 | |
|       end;
 | |
| {$endif GDB}
 | |
|       LastSec:=s;
 | |
|     end;
 | |
| 
 | |
| 
 | |
| {$ifdef GDB}
 | |
|       procedure T386ATTAssembler.WriteFileLineInfo(var fileinfo : tfileposinfo);
 | |
|         var
 | |
|           curr_n : byte;
 | |
|         begin
 | |
|           if not ((cs_debuginfo in aktmoduleswitches) or
 | |
|              (cs_gdb_lineinfo in aktglobalswitches)) 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;
 | |
| 
 | |
|       procedure T386ATTAssembler.WriteFileEndInfo;
 | |
| 
 | |
|         begin
 | |
|           if not ((cs_debuginfo in aktmoduleswitches) or
 | |
|              (cs_gdb_lineinfo in aktglobalswitches)) then
 | |
|            exit;
 | |
|           AsmLn;
 | |
|           AsmWriteLn(ait_section2str(sec_code));
 | |
|           AsmWriteLn(#9'.stabs "",'+tostr(n_sourcefile)+',0,0,Letext');
 | |
|           AsmWriteLn('Letext:');
 | |
|         end;
 | |
| 
 | |
| {$endif GDB}
 | |
| 
 | |
| 
 | |
|     procedure T386ATTAssembler.WriteTree(p:TAAsmoutput);
 | |
|     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       : tai;
 | |
|       consttyp : tait;
 | |
|       s        : string;
 | |
|       found    : boolean;
 | |
|       i,pos,l  : longint;
 | |
|       InlineLevel : longint;
 | |
|       co       : comp;
 | |
|       sin      : single;
 | |
|       d        : double;
 | |
|       e        : extended;
 | |
|       op       : tasmop;
 | |
|       calljmp,
 | |
|       do_line  : boolean;
 | |
|       sep      : char;
 | |
|     begin
 | |
|       if not assigned(p) then
 | |
|        exit;
 | |
|       InlineLevel:=0;
 | |
|       { lineinfo is only needed for codesegment (PFV) }
 | |
|       do_line:=(cs_asm_source in aktglobalswitches) or
 | |
|                ((cs_lineinfo in aktmoduleswitches)
 | |
|                  and (p=codesegment));
 | |
|       hp:=tai(p.first);
 | |
|       while assigned(hp) do
 | |
|        begin
 | |
|          aktfilepos:=hp.fileinfo;
 | |
| 
 | |
|          if not(hp.typ in nolinetai) then
 | |
|           begin
 | |
| {$ifdef GDB}
 | |
|              { write stabs }
 | |
|              if (cs_debuginfo in aktmoduleswitches) or
 | |
|                 (cs_gdb_lineinfo in aktglobalswitches) then
 | |
|                WriteFileLineInfo(hp.fileinfo);
 | |
| {$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) or (InlineLevel>0)) then
 | |
|                      begin
 | |
|                        if (hp.fileinfo.line<>0) and
 | |
|                           ((infile.linebuf^[hp.fileinfo.line]>=0) or (InlineLevel>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 }
 | |
|                        if (infile.linebuf^[hp.fileinfo.line]>=0) then
 | |
|                          infile.linebuf^[hp.fileinfo.line]:=-infile.linebuf^[hp.fileinfo.line]-1;
 | |
|                      end;
 | |
|                  end;
 | |
|                 lastfileinfo:=hp.fileinfo;
 | |
|                 lastinfile:=infile;
 | |
|               end;
 | |
|           end;
 | |
| 
 | |
|          case hp.typ of
 | |
| 
 | |
|            ait_comment :
 | |
|              Begin
 | |
|                AsmWrite(target_asm.comment);
 | |
|                AsmWritePChar(tai_asm_comment(hp).str);
 | |
|                AsmLn;
 | |
|              End;
 | |
| 
 | |
|            ait_regalloc :
 | |
|              begin
 | |
|                if (cs_asm_regalloc in aktglobalswitches) then
 | |
|                  AsmWriteLn(target_asm.comment+'Register '+att_reg2str[tairegalloc(hp).reg]+
 | |
|                    allocstr[tairegalloc(hp).allocation]);
 | |
|              end;
 | |
| 
 | |
|            ait_tempalloc :
 | |
|              begin
 | |
|                if (cs_asm_tempalloc in aktglobalswitches) then
 | |
|                  AsmWriteLn(target_asm.comment+'Temp '+tostr(taitempalloc(hp).temppos)+','+
 | |
|                    tostr(taitempalloc(hp).tempsize)+allocstr[taitempalloc(hp).allocation]);
 | |
|              end;
 | |
| 
 | |
|            ait_align :
 | |
|              begin
 | |
|                AsmWrite(#9'.balign '+tostr(tai_align(hp).aligntype));
 | |
|                if tai_align(hp).use_op then
 | |
|                 AsmWrite(','+tostr(tai_align(hp).fillop));
 | |
|                AsmLn;
 | |
|              end;
 | |
| 
 | |
|            ait_section :
 | |
|              begin
 | |
|                if tai_section(hp).sec<>sec_none then
 | |
|                 begin
 | |
|                   AsmLn;
 | |
|                   AsmWriteLn(ait_section2str(tai_section(hp).sec));
 | |
| {$ifdef GDB}
 | |
|                   lastfileinfo.line:=-1;
 | |
| {$endif GDB}
 | |
|                 end;
 | |
|              end;
 | |
| 
 | |
|            ait_datablock :
 | |
|              begin
 | |
|                if tai_datablock(hp).is_global then
 | |
|                 AsmWrite(#9'.comm'#9)
 | |
|                else
 | |
|                 AsmWrite(#9'.lcomm'#9);
 | |
|                AsmWrite(tai_datablock(hp).sym^.name);
 | |
|                AsmWriteLn(','+tostr(tai_datablock(hp).size));
 | |
|              end;
 | |
| 
 | |
|            ait_const_32bit,
 | |
|            ait_const_16bit,
 | |
|            ait_const_8bit :
 | |
|              begin
 | |
|                AsmWrite(ait_const2str[hp.typ]+tostr(tai_const(hp).value));
 | |
|                consttyp:=hp.typ;
 | |
|                l:=0;
 | |
|                repeat
 | |
|                  found:=(not (tai(hp.next)=nil)) and (tai(hp.next).typ=consttyp);
 | |
|                  if found then
 | |
|                   begin
 | |
|                     hp:=tai(hp.next);
 | |
|                     s:=','+tostr(tai_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+tai_const_symbol(hp).sym^.name);
 | |
|                if tai_const_symbol(hp).offset>0 then
 | |
|                  AsmWrite('+'+tostr(tai_const_symbol(hp).offset))
 | |
|                else if tai_const_symbol(hp).offset<0 then
 | |
|                  AsmWrite(tostr(tai_const_symbol(hp).offset));
 | |
|                AsmLn;
 | |
|              end;
 | |
| 
 | |
|            ait_const_rva :
 | |
|              AsmWriteLn(#9'.rva'#9+tai_const_symbol(hp).sym^.name);
 | |
| 
 | |
|            ait_real_80bit :
 | |
|              begin
 | |
|                if do_line then
 | |
|                 AsmWriteLn(target_asm.comment+extended2str(tai_real_80bit(hp).value));
 | |
|              { Make sure e is a extended type, bestreal could be
 | |
|                a different type (bestreal) !! (PFV) }
 | |
|                e:=tai_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(tai_real_64bit(hp).value));
 | |
|                d:=tai_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(tai_real_32bit(hp).value));
 | |
|                sin:=tai_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(tai_comp_64bit(hp).value));
 | |
|                AsmWrite(#9'.byte'#9);
 | |
| {$ifdef FPC}
 | |
|                co:=comp(tai_comp_64bit(hp).value);
 | |
| {$else}
 | |
|                co:=tai_comp_64bit(hp).value;
 | |
| {$endif}
 | |
|                for i:=0 to 7 do
 | |
|                 begin
 | |
|                   if i<>0 then
 | |
|                    AsmWrite(',');
 | |
|                   AsmWrite(tostr(t64bitarray(co)[i]));
 | |
|                 end;
 | |
|                AsmLn;
 | |
|              end;
 | |
| 
 | |
|            ait_direct :
 | |
|              begin
 | |
|                AsmWritePChar(tai_direct(hp).str);
 | |
|                AsmLn;
 | |
| {$IfDef GDB}
 | |
|                if strpos(tai_direct(hp).str,'.data')<>nil then
 | |
|                  n_line:=n_dataline
 | |
|                else if strpos(tai_direct(hp).str,'.text')<>nil then
 | |
|                  n_line:=n_textline
 | |
|                else if strpos(tai_direct(hp).str,'.bss')<>nil then
 | |
|                  n_line:=n_bssline;
 | |
| {$endif GDB}
 | |
|              end;
 | |
| 
 | |
|            ait_string :
 | |
|              begin
 | |
|                pos:=0;
 | |
|                for i:=1 to tai_string(hp).len do
 | |
|                 begin
 | |
|                   if pos=0 then
 | |
|                    begin
 | |
|                      AsmWrite(#9'.ascii'#9'"');
 | |
|                      pos:=20;
 | |
|                    end;
 | |
|                   ch:=tai_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=tai_string(hp).len) then
 | |
|                    begin
 | |
|                      AsmWriteLn('"');
 | |
|                      pos:=0;
 | |
|                    end;
 | |
|                 end;
 | |
|              end;
 | |
| 
 | |
|            ait_label :
 | |
|              begin
 | |
|                if (tai_label(hp).l^.is_used) then
 | |
|                 begin
 | |
|                   if tai_label(hp).l^.defbind=AB_GLOBAL then
 | |
|                    begin
 | |
|                      AsmWrite('.globl'#9);
 | |
|                      AsmWriteLn(tai_label(hp).l^.name);
 | |
|                    end;
 | |
|                   AsmWrite(tai_label(hp).l^.name);
 | |
|                   AsmWriteLn(':');
 | |
|                 end;
 | |
|              end;
 | |
| 
 | |
|            ait_symbol :
 | |
|              begin
 | |
|                if tai_symbol(hp).is_global then
 | |
|                 begin
 | |
|                   AsmWrite('.globl'#9);
 | |
|                   AsmWriteLn(tai_symbol(hp).sym^.name);
 | |
|                 end;
 | |
|                if target_info.target=target_i386_linux then
 | |
|                 begin
 | |
|                    AsmWrite(#9'.type'#9);
 | |
|                    AsmWrite(tai_symbol(hp).sym^.name);
 | |
|                    if assigned(tai(hp.next)) and
 | |
|                       (tai(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 tai_symbol(hp).sym^.size>0 then
 | |
|                     begin
 | |
|                       AsmWrite(#9'.size'#9);
 | |
|                       AsmWrite(tai_symbol(hp).sym^.name);
 | |
|                       AsmWrite(', ');
 | |
|                       AsmWriteLn(tostr(tai_symbol(hp).sym^.size));
 | |
|                     end;
 | |
|                 end;
 | |
|                AsmWrite(tai_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(tai_symbol(hp).sym^.name);
 | |
|                   AsmWrite(', '+s+' - ');
 | |
|                   AsmWriteLn(tai_symbol(hp).sym^.name);
 | |
|                 end;
 | |
|              end;
 | |
| 
 | |
|            ait_instruction :
 | |
|              begin
 | |
|                taicpu(hp).SetOperandOrder(op_att);
 | |
|                op:=taicpu(hp).opcode;
 | |
|                calljmp:=is_calljmp(op);
 | |
|              { call maybe not translated to call }
 | |
|                s:=#9+att_op2str[op]+cond2str[taicpu(hp).condition];
 | |
|                { suffix needed ?  fnstsw,fldcw don't support suffixes
 | |
|                  with binutils 2.9.5 under linux }
 | |
|                if (not calljmp) and
 | |
|                   (att_needsuffix[op]<>AttSufNONE) and
 | |
|                   (op<>A_FNSTSW) and (op<>A_FSTSW) and
 | |
|                   (op<>A_FNSTCW) and (op<>A_FSTCW) and
 | |
|                   (op<>A_FLDCW) and
 | |
|                   not(
 | |
|                    (taicpu(hp).oper[0].typ=top_reg) and
 | |
|                    (taicpu(hp).oper[0].reg in [R_ST..R_ST7])
 | |
|                   ) then
 | |
|                   s:=s+att_opsize2str[taicpu(hp).opsize];
 | |
|              { process operands }
 | |
|                if taicpu(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(taicpu(hp).oper[0]);
 | |
|                     end
 | |
|                   else
 | |
|                    begin
 | |
|                      for i:=0 to taicpu(hp).ops-1 do
 | |
|                       begin
 | |
|                         if i=0 then
 | |
|                          sep:=#9
 | |
|                         else
 | |
|                          sep:=',';
 | |
|                         s:=s+sep+getopstr(taicpu(hp).oper[i])
 | |
|                       end;
 | |
|                    end;
 | |
|                 end;
 | |
|                AsmWriteLn(s);
 | |
|              end;
 | |
| 
 | |
| {$ifdef GDB}
 | |
|            ait_stabs :
 | |
|              begin
 | |
|                AsmWrite(#9'.stabs ');
 | |
|                AsmWritePChar(tai_stabs(hp).str);
 | |
|                AsmLn;
 | |
|              end;
 | |
| 
 | |
|            ait_stabn :
 | |
|              begin
 | |
|                AsmWrite(#9'.stabn ');
 | |
|                AsmWritePChar(tai_stabn(hp).str);
 | |
|                AsmLn;
 | |
|              end;
 | |
| 
 | |
|            ait_force_line :
 | |
|              stabslastfileinfo.line:=0;
 | |
| 
 | |
|            ait_stab_function_name:
 | |
|              funcname:=tai_stab_function_name(hp).str;
 | |
| {$endif GDB}
 | |
| 
 | |
|            ait_cut :
 | |
|              begin
 | |
|                if SmartAsm then
 | |
|                 begin
 | |
|                 { only reset buffer if nothing has changed }
 | |
|                   if AsmSize=AsmStartSize then
 | |
|                    AsmClear
 | |
|                   else
 | |
|                    begin
 | |
|                      AsmClose;
 | |
|                      DoAssemble;
 | |
|                      AsmCreate(tai_cut(hp).place);
 | |
|                    end;
 | |
|                 { avoid empty files }
 | |
|                   while assigned(hp.next) and (tai(hp.next).typ in [ait_cut,ait_section,ait_comment]) do
 | |
|                    begin
 | |
|                      if tai(hp.next).typ=ait_section then
 | |
|                        lastsec:=tai_section(hp.next).sec;
 | |
|                      hp:=tai(hp.next);
 | |
|                    end;
 | |
| {$ifdef GDB}
 | |
|                   { force write of filename }
 | |
|                   FillChar(stabslastfileinfo,sizeof(stabslastfileinfo),0);
 | |
|                   includecount:=0;
 | |
|                   funcname:=nil;
 | |
|                   WriteFileLineInfo(hp.fileinfo);
 | |
| {$endif GDB}
 | |
|                   if lastsec<>sec_none then
 | |
|                     AsmWriteLn(ait_section2str(lastsec));
 | |
|                   AsmStartSize:=AsmSize;
 | |
|                 end;
 | |
|              end;
 | |
| 
 | |
|            ait_marker :
 | |
|              if tai_marker(hp).kind=InlineStart then
 | |
|                inc(InlineLevel)
 | |
|              else if tai_marker(hp).kind=InlineEnd then
 | |
|                dec(InlineLevel);
 | |
| 
 | |
|            else
 | |
|              internalerror(10000);
 | |
|          end;
 | |
|          hp:=tai(hp.next);
 | |
|        end;
 | |
|     end;
 | |
| 
 | |
| 
 | |
|     procedure T386ATTAssembler.WriteAsmList;
 | |
|     var
 | |
|       p:dirstr;
 | |
|       n:namestr;
 | |
|       e:extstr;
 | |
| {$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);
 | |
| {$endif GDB}
 | |
|       AsmStartSize:=AsmSize;
 | |
|       symendcount:=0;
 | |
| 
 | |
|       countlabelref:=false;
 | |
|       If (cs_debuginfo in aktmoduleswitches) then
 | |
|         WriteTree(debuglist);
 | |
|       WriteTree(codesegment);
 | |
|       WriteTree(datasegment);
 | |
|       WriteTree(consts);
 | |
|       WriteTree(rttilist);
 | |
|       Writetree(resourcestringlist);
 | |
|       WriteTree(bsssegment);
 | |
|       Writetree(importssection);
 | |
|       { exports are written by DLLTOOL
 | |
|         if we use it so don't insert it twice (PM) }
 | |
|       if not UseDeffileForExport and assigned(exportssection) then
 | |
|         Writetree(exportssection);
 | |
|       Writetree(resourcesection);
 | |
|       {$ifdef GDB}
 | |
|       WriteFileEndInfo;
 | |
|       {$ENDIF}
 | |
|       countlabelref:=true;
 | |
| 
 | |
|       AsmLn;
 | |
| {$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 1.4  2001-03-05 21:39:11  peter
 | |
|     * changed to class with common TAssembler also for internal assembler
 | |
| 
 | |
|   Revision 1.3  2001/01/13 20:24:24  peter
 | |
|     * fixed operand order that got mixed up for external writers after
 | |
|       my previous assembler block valid instruction check
 | |
| 
 | |
|   Revision 1.2  2000/12/25 00:07:31  peter
 | |
|     + new tlinkedlist class (merge of old tstringqueue,tcontainer and
 | |
|       tlinkedlist objects)
 | |
| 
 | |
|   Revision 1.1  2000/11/30 22:18:48  florian
 | |
|     * moved to i386
 | |
| 
 | |
|   Revision 1.6  2000/09/24 15:06:10  peter
 | |
|     * use defines.inc
 | |
| 
 | |
|   Revision 1.5  2000/08/27 16:11:49  peter
 | |
|     * moved some util functions from globals,cobjects to cutils
 | |
|     * splitted files into finput,fmodule
 | |
| 
 | |
|   Revision 1.4  2000/08/20 17:38:21  peter
 | |
|     * smartlinking fixed for linux (merged)
 | |
| 
 | |
|   Revision 1.3  2000/07/13 12:08:24  michael
 | |
|   + patched to 1.1.0 with former 1.09patch from peter
 | |
| 
 | |
|   Revision 1.2  2000/07/13 11:32:28  michael
 | |
|   + removed logs
 | |
| 
 | |
| }
 | 
