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			921 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
			
		
		
	
	
			921 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
{
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						|
    $Id$
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    Copyright (c) 1998-2002 by the Free Pascal team
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    This unit implements generic GNU assembler (v2.8 or later)
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    This program is free software; you can redistribute it and/or modify
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    it under the terms of the GNU General Public License as published by
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    the Free Software Foundation; either version 2 of the License, or
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    (at your option) any later version.
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    This program is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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    GNU General Public License for more details.
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    You should have received a copy of the GNU General Public License
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    along with this program; if not, write to the Free Software
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    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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 ****************************************************************************
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}
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{ Base unit for writing GNU assembler output.
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}
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unit aggas;
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						|
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{$i fpcdefs.inc}
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interface
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    uses
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      cclasses,
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      globals,
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      aasmbase,aasmtai,aasmcpu,
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      assemble;
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    type
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      {# This is a derived class which is used to write
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         GAS styled assembler.
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         The WriteInstruction() method must be overriden
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         to write a single instruction to the assembler
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         file.
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      }
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      TGNUAssembler=class(texternalassembler)
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      public
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        procedure WriteTree(p:TAAsmoutput);override;
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        procedure WriteAsmList;override;
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        procedure WriteExtraHeader;virtual;
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{$ifdef GDB}
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        procedure WriteFileLineInfo(var fileinfo : tfileposinfo);
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        procedure WriteFileEndInfo;
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{$endif}
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        procedure WriteInstruction(hp: tai);  virtual; abstract;
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      end;
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implementation
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    uses
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{$ifdef Delphi}
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      dmisc,
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{$else Delphi}
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      dos,
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{$endif Delphi}
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      cutils,globtype,systems,
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      fmodule,finput,verbose,cpubase
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{$ifdef GDB}
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  {$ifdef delphi}
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      ,sysutils
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  {$else}
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      ,strings
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  {$endif}
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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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      lastfileinfo : tfileposinfo;
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      infile,
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      lastinfile   : tinputfile;
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      symendcount  : longint;
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    type
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      t80bitarray = array[0..9] of byte;
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      t64bitarray = array[0..7] of byte;
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      t32bitarray = array[0..3] of byte;
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{****************************************************************************}
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{                          Support routines                                  }
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{****************************************************************************}
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   function fixline(s:string):string;
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   {
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     return s with all leading and ending spaces and tabs removed
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   }
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     var
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       i,j,k : integer;
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     begin
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       i:=length(s);
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       while (i>0) and (s[i] in [#9,' ']) do
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        dec(i);
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       j:=1;
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       while (j<i) and (s[j] in [#9,' ']) do
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        inc(j);
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       for k:=j to i do
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        if s[k] in [#0..#31,#127..#255] then
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         s[k]:='.';
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       fixline:=Copy(s,j,i-j+1);
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     end;
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    function single2str(d : single) : 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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         single2str:='0d'+hs
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      end;
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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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    function extended2str(e : extended) : string;
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      var
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         hs : string;
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      begin
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         str(e,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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         extended2str:='0d'+hs
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      end;
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  { convert floating point values }
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  { to correct endian             }
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  procedure swap64bitarray(var t: t64bitarray);
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    var
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     b: byte;
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    begin
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      b:= t[7];
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      t[7] := t[0];
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      t[0] := b;
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      b := t[6];
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      t[6] := t[1];
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      t[1] := b;
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      b:= t[5];
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      t[5] := t[2];
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      t[2] := b;
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      b:= t[4];
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      t[4] := t[3];
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      t[3] := b;
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   end;
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   procedure swap32bitarray(var t: t32bitarray);
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    var
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     b: byte;
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    begin
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      b:= t[1];
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      t[1]:= t[2];
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      t[2]:= b;
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      b:= t[0];
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      t[0]:= t[3];
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      t[3]:= b;
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    end;
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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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       ait_section2str:=target_asm.secnames[s];
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{$ifdef GDB}
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       { this is needed for line info in data }
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       funcname:=nil;
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       case s of
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         sec_code : n_line:=n_textline;
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         sec_data : n_line:=n_dataline;
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         sec_bss  : n_line:=n_bssline;
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         else       n_line:=n_dataline;
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      end;
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{$endif GDB}
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      LasTSec:=s;
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    end;
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{****************************************************************************}
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{                          GNU Assembler writer                              }
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{****************************************************************************}
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{$ifdef GDB}
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      procedure TGNUAssembler.WriteFileLineInfo(var fileinfo : tfileposinfo);
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        var
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          curr_n : byte;
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        begin
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          if not ((cs_debuginfo in aktmoduleswitches) or
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             (cs_gdb_lineinfo in aktglobalswitches)) then
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           exit;
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        { file changed ? (must be before line info) }
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          if (fileinfo.fileindex<>0) and
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             (stabslastfileinfo.fileindex<>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 assigned(infile) then
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              begin
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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,'+target_asm.labelprefix+'text'+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,'+target_asm.labelprefix+'text'+ToStr(IncludeCount));
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                AsmWriteLn(target_asm.labelprefix+'text'+ToStr(IncludeCount)+':');
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                inc(includecount);
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                { force new line info }
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                stabslastfileinfo.line:=-1;
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              end;
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           end;
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        { line changed ? }
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          if (stabslastfileinfo.line<>fileinfo.line) 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_info.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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           end;
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          stabslastfileinfo:=fileinfo;
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        end;
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      procedure TGNUAssembler.WriteFileEndInfo;
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        begin
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          if not ((cs_debuginfo in aktmoduleswitches) or
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             (cs_gdb_lineinfo in aktglobalswitches)) then
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           exit;
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          AsmLn;
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          AsmWriteLn(ait_section2str(sec_code));
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          AsmWriteLn(#9'.stabs "",'+tostr(n_sourcefile)+',0,0,'+target_asm.labelprefix+'etext');
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          AsmWriteLn(target_asm.labelprefix+'etext:');
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        end;
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{$endif GDB}
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    procedure TGNUAssembler.WriteTree(p:TAAsmoutput);
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    const
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      allocstr : array[boolean] of string[10]=(' released',' allocated');
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    var
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      ch       : char;
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      hp       : tai;
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      hp1      : tailineinfo;
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      consttyp : taitype;
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      s        : string;
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      found    : boolean;
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      i,pos,l  : longint;
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      InlineLevel : longint;
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      co       : comp;
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      sin      : single;
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      d        : double;
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      e        : extended;
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      do_line  : boolean;
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{$ifdef delphi}
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      _64bitarray : t64bitarray;
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{$endif}
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    begin
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      if not assigned(p) then
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       exit;
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      InlineLevel:=0;
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      { lineinfo is only needed for codesegment (PFV) }
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      do_line:=(cs_asm_source in aktglobalswitches) or
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               ((cs_lineinfo in aktmoduleswitches)
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                 and (p=codesegment));
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      hp:=tai(p.first);
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						|
      while assigned(hp) do
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       begin
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						|
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						|
         if not(hp.typ in SkipLineInfo) then
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          begin
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            hp1 := hp as tailineinfo;
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						|
            aktfilepos:=hp1.fileinfo;
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						|
{$ifdef GDB}
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             { write stabs }
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						|
             if (cs_debuginfo in aktmoduleswitches) or
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                (cs_gdb_lineinfo in aktglobalswitches) then
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               WriteFileLineInfo(hp1.fileinfo);
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						|
{$endif GDB}
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						|
             { no line info for inlined code }
 | 
						|
             if do_line and (inlinelevel=0) then
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						|
              begin
 | 
						|
                { load infile }
 | 
						|
                if lastfileinfo.fileindex<>hp1.fileinfo.fileindex then
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						|
                 begin
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						|
                   infile:=current_module.sourcefiles.get_file(hp1.fileinfo.fileindex);
 | 
						|
                   if assigned(infile) then
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						|
                    begin
 | 
						|
                      { open only if needed !! }
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						|
                      if (cs_asm_source in aktglobalswitches) then
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                       infile.open;
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                    end;
 | 
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                   { avoid unnecessary reopens of the same file !! }
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                   lastfileinfo.fileindex:=hp1.fileinfo.fileindex;
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						|
                   { be sure to change line !! }
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						|
                   lastfileinfo.line:=-1;
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						|
                 end;
 | 
						|
              { write source }
 | 
						|
                if (cs_asm_source in aktglobalswitches) and
 | 
						|
                   assigned(infile) then
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						|
                 begin
 | 
						|
                   if (infile<>lastinfile) then
 | 
						|
                     begin
 | 
						|
                       AsmWriteLn(target_asm.comment+'['+infile.name^+']');
 | 
						|
                       if assigned(lastinfile) then
 | 
						|
                         lastinfile.close;
 | 
						|
                     end;
 | 
						|
                   if (hp1.fileinfo.line<>lastfileinfo.line) and
 | 
						|
                      ((hp1.fileinfo.line<infile.maxlinebuf) or (InlineLevel>0)) then
 | 
						|
                     begin
 | 
						|
                       if (hp1.fileinfo.line<>0) and
 | 
						|
                          ((infile.linebuf^[hp1.fileinfo.line]>=0) or (InlineLevel>0)) then
 | 
						|
                         AsmWriteLn(target_asm.comment+'['+tostr(hp1.fileinfo.line)+'] '+
 | 
						|
                           fixline(infile.GetLineStr(hp1.fileinfo.line)));
 | 
						|
                       { set it to a negative value !
 | 
						|
                       to make that is has been read already !! PM }
 | 
						|
                       if (infile.linebuf^[hp1.fileinfo.line]>=0) then
 | 
						|
                         infile.linebuf^[hp1.fileinfo.line]:=-infile.linebuf^[hp1.fileinfo.line]-1;
 | 
						|
                     end;
 | 
						|
                 end;
 | 
						|
                lastfileinfo:=hp1.fileinfo;
 | 
						|
                lastinfile:=infile;
 | 
						|
              end;
 | 
						|
          end;
 | 
						|
 | 
						|
         case hp.typ of
 | 
						|
 | 
						|
           ait_comment :
 | 
						|
             Begin
 | 
						|
               AsmWrite(target_asm.comment);
 | 
						|
               AsmWritePChar(tai_comment(hp).str);
 | 
						|
               AsmLn;
 | 
						|
             End;
 | 
						|
 | 
						|
           ait_regalloc :
 | 
						|
             begin
 | 
						|
               if (cs_asm_regalloc in aktglobalswitches) then
 | 
						|
                 begin
 | 
						|
                   if Tai_Regalloc(hp).reg.enum>lastreg then
 | 
						|
                     internalerror(200201081);
 | 
						|
                   AsmWriteLn(target_asm.comment+'Register '+std_reg2str[tai_regalloc(hp).reg.enum]+
 | 
						|
                     allocstr[tai_regalloc(hp).allocation]);
 | 
						|
                 end;
 | 
						|
             end;
 | 
						|
 | 
						|
           ait_tempalloc :
 | 
						|
             begin
 | 
						|
               if (cs_asm_tempalloc in aktglobalswitches) then
 | 
						|
                 begin
 | 
						|
{$ifdef EXTDEBUG}
 | 
						|
                   if assigned(tai_tempalloc(hp).problem) then
 | 
						|
                     AsmWriteLn(target_asm.comment+'Temp '+tostr(tai_tempalloc(hp).temppos)+','+
 | 
						|
                       tostr(tai_tempalloc(hp).tempsize)+' '+tai_tempalloc(hp).problem^)
 | 
						|
                   else
 | 
						|
{$endif EXTDEBUG}
 | 
						|
                     AsmWriteLn(target_asm.comment+'Temp '+tostr(tai_tempalloc(hp).temppos)+','+
 | 
						|
                       tostr(tai_tempalloc(hp).tempsize)+allocstr[tai_tempalloc(hp).allocation]);
 | 
						|
                 end;
 | 
						|
             end;
 | 
						|
 | 
						|
           ait_align :
 | 
						|
             begin
 | 
						|
               AsmWrite(#9'.balign '+tostr(tai_align(hp).aligntype));
 | 
						|
               if tai_align(hp).use_op then
 | 
						|
                AsmWrite(','+tostr(tai_align(hp).fillop));
 | 
						|
               AsmLn;
 | 
						|
             end;
 | 
						|
 | 
						|
           ait_section :
 | 
						|
             begin
 | 
						|
               if tai_section(hp).sec<>sec_none then
 | 
						|
                begin
 | 
						|
                  AsmLn;
 | 
						|
                  AsmWriteLn(ait_section2str(tai_section(hp).sec));
 | 
						|
{$ifdef GDB}
 | 
						|
                  lastfileinfo.line:=-1;
 | 
						|
{$endif GDB}
 | 
						|
                end
 | 
						|
               else
 | 
						|
                begin
 | 
						|
{$ifdef EXTDEBUG}
 | 
						|
                  AsmWrite(target_asm.comment);
 | 
						|
                  AsmWriteln(' sec_none');
 | 
						|
{$endif EXTDEBUG}
 | 
						|
                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);
 | 
						|
               AsmWrite(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 :
 | 
						|
             begin
 | 
						|
               AsmWrite(#9'.rva'#9);
 | 
						|
               AsmWriteLn(tai_const_symbol(hp).sym.name);
 | 
						|
             end;
 | 
						|
{$ifdef cpuextended}
 | 
						|
           ait_real_80bit :
 | 
						|
             begin
 | 
						|
               if do_line then
 | 
						|
                AsmWriteLn(target_asm.comment+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;
 | 
						|
{$endif cpuextended}
 | 
						|
 | 
						|
           ait_real_64bit :
 | 
						|
             begin
 | 
						|
               if do_line then
 | 
						|
                AsmWriteLn(target_asm.comment+target_asm.comment+double2str(tai_real_64bit(hp).value));
 | 
						|
               d:=tai_real_64bit(hp).value;
 | 
						|
               { swap the values to correct endian if required }
 | 
						|
{$ifdef fpc}
 | 
						|
               if source_info.endian <> target_info.endian then
 | 
						|
                 swap64bitarray(t64bitarray(d));
 | 
						|
{$endif}
 | 
						|
               AsmWrite(#9'.byte'#9);
 | 
						|
               for i:=0 to 7 do
 | 
						|
                begin
 | 
						|
                  if i<>0 then
 | 
						|
                   AsmWrite(',');
 | 
						|
                  AsmWrite(tostr(t64bitarray(d)[i]));
 | 
						|
                end;
 | 
						|
               AsmLn;
 | 
						|
             end;
 | 
						|
 | 
						|
           ait_real_32bit :
 | 
						|
             begin
 | 
						|
               if do_line then
 | 
						|
                AsmWriteLn(target_asm.comment+target_asm.comment+single2str(tai_real_32bit(hp).value));
 | 
						|
               sin:=tai_real_32bit(hp).value;
 | 
						|
{$ifdef fpc}
 | 
						|
               { swap the values to correct endian if required }
 | 
						|
               if source_info.endian <> target_info.endian then
 | 
						|
                 swap32bitarray(t32bitarray(sin));
 | 
						|
{$endif}
 | 
						|
               AsmWrite(#9'.byte'#9);
 | 
						|
               for i:=0 to 3 do
 | 
						|
                begin
 | 
						|
                  if i<>0 then
 | 
						|
                   AsmWrite(',');
 | 
						|
                  AsmWrite(tostr(t32bitarray(sin)[i]));
 | 
						|
                end;
 | 
						|
               AsmLn;
 | 
						|
             end;
 | 
						|
 | 
						|
           ait_comp_64bit :
 | 
						|
             begin
 | 
						|
               if do_line then
 | 
						|
                AsmWriteLn(target_asm.comment+target_asm.comment+extended2str(tai_comp_64bit(hp).value));
 | 
						|
               AsmWrite(#9'.byte'#9);
 | 
						|
{$ifdef FPC}
 | 
						|
               co:=comp(tai_comp_64bit(hp).value);
 | 
						|
{$else}
 | 
						|
               co:=tai_comp_64bit(hp).value;
 | 
						|
{$endif}
 | 
						|
{$ifdef fpc}
 | 
						|
               { swap the values to correct endian if required }
 | 
						|
               if source_info.endian <> target_info.endian then
 | 
						|
                 swap64bitarray(t64bitarray(co));
 | 
						|
{$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.system in [system_i386_linux,system_i386_beos] 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.system in [system_i386_linux,system_i386_beos] then
 | 
						|
                begin
 | 
						|
                  s:=target_asm.labelprefix+'e'+tostr(symendcount);
 | 
						|
                  inc(symendcount);
 | 
						|
                  AsmWriteLn(s+':');
 | 
						|
                  AsmWrite(#9'.size'#9);
 | 
						|
                  AsmWrite(tai_symbol_end(hp).sym.name);
 | 
						|
                  AsmWrite(', '+s+' - ');
 | 
						|
                  AsmWriteLn(tai_symbol_end(hp).sym.name);
 | 
						|
                end;
 | 
						|
             end;
 | 
						|
 | 
						|
           ait_instruction :
 | 
						|
             begin
 | 
						|
               WriteInstruction(hp);
 | 
						|
             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;
 | 
						|
{$ifdef GDB}
 | 
						|
                  { force write of filename }
 | 
						|
                  FillChar(stabslastfileinfo,sizeof(stabslastfileinfo),0);
 | 
						|
                  includecount:=0;
 | 
						|
                  funcname:=nil;
 | 
						|
                  WriteFileLineInfo(aktfilepos);
 | 
						|
{$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 TGNUAssembler.WriteExtraHeader;
 | 
						|
 | 
						|
      begin
 | 
						|
      end;
 | 
						|
 | 
						|
    procedure TGNUAssembler.WriteAsmList;
 | 
						|
    var
 | 
						|
      p:dirstr;
 | 
						|
      n:namestr;
 | 
						|
      e:extstr;
 | 
						|
{$ifdef GDB}
 | 
						|
      fileinfo : tfileposinfo;
 | 
						|
{$endif GDB}
 | 
						|
 | 
						|
    begin
 | 
						|
{$ifdef EXTDEBUG}
 | 
						|
      if assigned(current_module.mainsource) then
 | 
						|
       Comment(V_Debug,'Start writing gas-styled assembler output for '+current_module.mainsource^);
 | 
						|
{$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)+'"');
 | 
						|
      WriteExtraHeader;
 | 
						|
{$ifdef GDB}
 | 
						|
      n_line:=n_bssline;
 | 
						|
      funcname:=nil;
 | 
						|
      linecount:=1;
 | 
						|
      includecount:=0;
 | 
						|
      fileinfo.fileindex:=1;
 | 
						|
      fileinfo.line:=1;
 | 
						|
      { Write main file }
 | 
						|
      WriteFileLineInfo(fileinfo);
 | 
						|
{$endif GDB}
 | 
						|
      AsmStartSize:=AsmSize;
 | 
						|
      symendcount:=0;
 | 
						|
 | 
						|
      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}
 | 
						|
 | 
						|
      AsmLn;
 | 
						|
{$ifdef EXTDEBUG}
 | 
						|
      if assigned(current_module.mainsource) then
 | 
						|
       Comment(V_Debug,'Done writing gas-styled assembler output for '+current_module.mainsource^);
 | 
						|
{$endif EXTDEBUG}
 | 
						|
    end;
 | 
						|
 | 
						|
end.
 | 
						|
{
 | 
						|
  $Log$
 | 
						|
  Revision 1.24  2003-04-28 21:17:53  peter
 | 
						|
    * write sec_none info in extdebug
 | 
						|
 | 
						|
  Revision 1.23  2003/04/25 20:59:33  peter
 | 
						|
    * removed funcretn,funcretsym, function result is now in varsym
 | 
						|
      and aliases for result and function name are added using absolutesym
 | 
						|
    * vs_hidden parameter for funcret passed in parameter
 | 
						|
    * vs_hidden fixes
 | 
						|
    * writenode changed to printnode and released from extdebug
 | 
						|
    * -vp option added to generate a tree.log with the nodetree
 | 
						|
    * nicer printnode for statements, callnode
 | 
						|
 | 
						|
  Revision 1.22  2003/04/24 22:29:57  florian
 | 
						|
    * fixed a lot of PowerPC related stuff
 | 
						|
 | 
						|
  Revision 1.21  2003/04/22 14:33:38  peter
 | 
						|
    * removed some notes/hints
 | 
						|
 | 
						|
  Revision 1.20  2003/01/09 21:52:37  peter
 | 
						|
    * merged some verbosity options.
 | 
						|
    * V_LineInfo is a verbosity flag to include line info
 | 
						|
 | 
						|
  Revision 1.19  2003/01/08 18:43:56  daniel
 | 
						|
   * Tregister changed into a record
 | 
						|
 | 
						|
  Revision 1.18  2002/12/07 14:03:25  carl
 | 
						|
    - remove some duplicates and unused vars
 | 
						|
 | 
						|
  Revision 1.17  2002/12/06 17:50:39  peter
 | 
						|
    * long symbol name fix merged
 | 
						|
 | 
						|
  Revision 1.16  2002/11/17 16:31:55  carl
 | 
						|
    * memory optimization (3-4%) : cleanup of tai fields,
 | 
						|
       cleanup of tdef and tsym fields.
 | 
						|
    * make it work for m68k
 | 
						|
 | 
						|
  Revision 1.15  2002/11/15 01:58:45  peter
 | 
						|
    * merged changes from 1.0.7 up to 04-11
 | 
						|
      - -V option for generating bug report tracing
 | 
						|
      - more tracing for option parsing
 | 
						|
      - errors for cdecl and high()
 | 
						|
      - win32 import stabs
 | 
						|
      - win32 records<=8 are returned in eax:edx (turned off by default)
 | 
						|
      - heaptrc update
 | 
						|
      - more info for temp management in .s file with EXTDEBUG
 | 
						|
 | 
						|
  Revision 1.14  2002/10/30 21:01:14  peter
 | 
						|
    * always include lineno after fileswitch. valgrind requires this
 | 
						|
 | 
						|
  Revision 1.13  2002/10/05 12:43:23  carl
 | 
						|
    * fixes for Delphi 6 compilation
 | 
						|
     (warning : Some features do not work under Delphi)
 | 
						|
 | 
						|
  Revision 1.12  2002/08/31 16:05:17  florian
 | 
						|
    * write double # before float constants when -al is turned on
 | 
						|
      else some gas versions interpret it as line number
 | 
						|
 | 
						|
  Revision 1.11  2002/08/20 16:55:38  peter
 | 
						|
    * don't write (stabs)line info when inlining a procedure
 | 
						|
 | 
						|
  Revision 1.10  2002/08/18 22:16:14  florian
 | 
						|
    + the ppc gas assembler writer adds now registers aliases
 | 
						|
      to the assembler file
 | 
						|
 | 
						|
  Revision 1.9  2002/08/18 20:06:23  peter
 | 
						|
    * inlining is now also allowed in interface
 | 
						|
    * renamed write/load to ppuwrite/ppuload
 | 
						|
    * tnode storing in ppu
 | 
						|
    * nld,ncon,nbas are already updated for storing in ppu
 | 
						|
 | 
						|
  Revision 1.8  2002/07/26 21:15:37  florian
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    * rewrote the system handling
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  Revision 1.7  2002/07/07 09:52:32  florian
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    * powerpc target fixed, very simple units can be compiled
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    * some basic stuff for better callparanode handling, far from being finished
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  Revision 1.6  2002/07/01 18:46:20  peter
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    * internal linker
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    * reorganized aasm layer
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  Revision 1.5  2002/05/18 13:34:05  peter
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    * readded missing revisions
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  Revision 1.4  2002/05/16 19:46:34  carl
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  + defines.inc -> fpcdefs.inc to avoid conflicts if compiling by hand
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  + try to fix temp allocation (still in ifdef)
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  + generic constructor calls
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  + start of tassembler / tmodulebase class cleanup
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  Revision 1.2  2002/04/15 18:53:48  carl
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  + comments in register allocator uses std_Reg2str
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  Revision 1.1  2002/04/14 16:51:54  carl
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  + basic GNU assembler writer class
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}
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