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@@ -0,0 +1,802 @@
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+{
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+ $Id$
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+ Copyright (c) 1998-2002 by the Free Pascal team
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+
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+ This unit implements generic GNU assembler (v2.8 or later)
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+
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+ This program is free software; you can redistribute it and/or modify
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+ it under the terms of the GNU General Public License as published by
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+ the Free Software Foundation; either version 2 of the License, or
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+ (at your option) any later version.
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+
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+ This program is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ GNU General Public License for more details.
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+
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+ You should have received a copy of the GNU General Public License
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+ along with this program; if not, write to the Free Software
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+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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+
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+ ****************************************************************************
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+}
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+{# 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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+{$i defines.inc}
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+
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+interface
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+
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+ uses
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+ cclasses,
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+ globals,
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+ aasm,assemble;
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+
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+
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+
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+ type
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+
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+ {# This is a derived class which is used to write
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+ GAS styled assembler.
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+
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+ The WriteInstruction() method must be overriden
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+ to write a single instruction to the assembler
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+ file.
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+ }
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+ TGNUAssembler=class(texternalassembler)
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+ public
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+ procedure WriteTree(p:TAAsmoutput);override;
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+ procedure WriteAsmList;override;
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+{$ifdef GDB}
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+ procedure WriteFileLineInfo(var fileinfo : tfileposinfo);
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+ procedure WriteFileEndInfo;
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+{$endif}
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+ procedure WriteInstruction(hp: tai); virtual; abstract;
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+ end;
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+
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+implementation
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+
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+ uses
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+{$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,cpuasm,tainst
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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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+{$endif GDB}
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+ ;
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+
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+
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+ const
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+ line_length = 70;
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+
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+var
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+{$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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+
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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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+{****************************************************************************}
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+{ Support routines }
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+{****************************************************************************}
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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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+
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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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+
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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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+
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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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+
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+
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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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+
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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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+
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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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+
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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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+
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+
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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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+
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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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+
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+ procedure swap80bitarray(var t: t80bitarray);
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+ begin
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+ {!!!!!!!!!!!!}
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+ end;
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+
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+
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+
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+ const
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+ ait_const2str : array[ait_const_32bit..ait_const_8bit] of string[8]=
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+ (#9'.long'#9,#9'.short'#9,#9'.byte'#9);
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+
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+
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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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+{$endif GDB}
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+ LastSec:=s;
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+ end;
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+
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+{****************************************************************************}
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+{ GNU Assembler writer }
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+{****************************************************************************}
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+
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+{$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,'+'Ltext'+ToStr(IncludeCount));
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+ end;
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+ AsmWriteLn(#9'.stabs "'+lower(FixFileName(infile.name^))+'",'+
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+ tostr(curr_n)+',0,0,'+'Ltext'+ToStr(IncludeCount));
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+ AsmWriteLn('Ltext'+ToStr(IncludeCount)+':');
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+ inc(includecount);
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+ 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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+
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+ procedure TGNUAssembler.WriteFileEndInfo;
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+
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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,Letext');
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+ AsmWriteLn('Letext:');
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+ end;
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+
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+{$endif GDB}
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+
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+
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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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+ nolinetai =[ait_label,
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+ ait_regalloc,ait_tempalloc,
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+ ait_stabn,ait_stabs,ait_section,
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+ ait_cut,ait_marker,ait_align,ait_stab_function_name];
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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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+ var
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+ ch : char;
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+ hp : tai;
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+ consttyp : tait;
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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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+ sep : char;
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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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+ aktfilepos:=hp.fileinfo;
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+
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+ if not(hp.typ in nolinetai) then
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+ begin
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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(hp.fileinfo);
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+{$endif GDB}
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+
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+ if do_line then
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+ begin
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+ { load infile }
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+ if lastfileinfo.fileindex<>hp.fileinfo.fileindex then
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+ begin
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+ infile:=current_module.sourcefiles.get_file(hp.fileinfo.fileindex);
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+ if assigned(infile) then
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+ begin
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+ { 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:=hp.fileinfo.fileindex;
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+ { be sure to change line !! }
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+ lastfileinfo.line:=-1;
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+ end;
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+ { write source }
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+ if (cs_asm_source in aktglobalswitches) and
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+ assigned(infile) then
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+ begin
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+ if (infile<>lastinfile) then
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+ begin
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+ AsmWriteLn(target_asm.comment+'['+infile.name^+']');
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+ if assigned(lastinfile) then
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+ lastinfile.close;
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+ end;
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+ if (hp.fileinfo.line<>lastfileinfo.line) and
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+ ((hp.fileinfo.line<infile.maxlinebuf) or (InlineLevel>0)) then
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+ begin
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+ if (hp.fileinfo.line<>0) and
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+ ((infile.linebuf^[hp.fileinfo.line]>=0) or (InlineLevel>0)) then
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+ AsmWriteLn(target_asm.comment+'['+tostr(hp.fileinfo.line)+'] '+
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+ fixline(infile.GetLineStr(hp.fileinfo.line)));
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+ { set it to a negative value !
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+ to make that is has been read already !! PM }
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+ if (infile.linebuf^[hp.fileinfo.line]>=0) then
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+ infile.linebuf^[hp.fileinfo.line]:=-infile.linebuf^[hp.fileinfo.line]-1;
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+ end;
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+ end;
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+ lastfileinfo:=hp.fileinfo;
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+ lastinfile:=infile;
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+ end;
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+ end;
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+
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+ case hp.typ of
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+
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+ ait_comment :
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+ Begin
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+ AsmWrite(target_asm.comment);
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+ AsmWritePChar(tai_asm_comment(hp).str);
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+ AsmLn;
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+ End;
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+
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+ ait_regalloc :
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+ begin
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+ if (cs_asm_regalloc in aktglobalswitches) then
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+ AsmWriteLn(target_asm.comment+'Register '+gas_reg2str[tairegalloc(hp).reg]+
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+ allocstr[tairegalloc(hp).allocation]);
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+ end;
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+
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+ ait_tempalloc :
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+ begin
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+ if (cs_asm_tempalloc in aktglobalswitches) then
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+ AsmWriteLn(target_asm.comment+'Temp '+tostr(taitempalloc(hp).temppos)+','+
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+ tostr(taitempalloc(hp).tempsize)+allocstr[taitempalloc(hp).allocation]);
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+ end;
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+
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+ ait_align :
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+ begin
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+ AsmWrite(#9'.balign '+tostr(tai_align(hp).aligntype));
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+ if tai_align(hp).use_op then
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+ AsmWrite(','+tostr(tai_align(hp).fillop));
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+ AsmLn;
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+ end;
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+
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+ ait_section :
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+ begin
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+ if tai_section(hp).sec<>sec_none then
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+ begin
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+ AsmLn;
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+ AsmWriteLn(ait_section2str(tai_section(hp).sec));
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+{$ifdef GDB}
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+ lastfileinfo.line:=-1;
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+{$endif GDB}
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+ end;
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+ end;
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+
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+ ait_datablock :
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+ begin
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+ if tai_datablock(hp).is_global then
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|
|
+ 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;
|
|
|
+ { swap the values to correct endian if required }
|
|
|
+ if source_info.endian <> target_info.endian then
|
|
|
+ swap64bitarray(t64bitarray(d));
|
|
|
+ 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;
|
|
|
+ { swap the values to correct endian if required }
|
|
|
+ if source_info.endian <> target_info.endian then
|
|
|
+ swap32bitarray(t32bitarray(sin));
|
|
|
+ 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+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}
|
|
|
+ { swap the values to correct endian if required }
|
|
|
+ if source_info.endian <> target_info.endian then
|
|
|
+ swap64bitarray(t64bitarray(co));
|
|
|
+ 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 in [target_i386_linux,target_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.target in [target_i386_linux,target_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;
|
|
|
+{$ifdef GDB}
|
|
|
+ { force write of filename }
|
|
|
+ FillChar(stabslastfileinfo,sizeof(stabslastfileinfo),0);
|
|
|
+ includecount:=0;
|
|
|
+ funcname:=nil;
|
|
|
+ WriteFileLineInfo(hp.fileinfo);
|
|
|
+{$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 TGNUAssembler.WriteAsmList;
|
|
|
+ var
|
|
|
+ p:dirstr;
|
|
|
+ n:namestr;
|
|
|
+ e:extstr;
|
|
|
+{$ifdef GDB}
|
|
|
+ fileinfo : tfileposinfo;
|
|
|
+{$endif GDB}
|
|
|
+
|
|
|
+ begin
|
|
|
+{$ifdef EXTDEBUG}
|
|
|
+ if assigned(current_module.mainsource) then
|
|
|
+ Comment(v_info,'Start writing gas-styled assembler output for '+current_module.mainsource^);
|
|
|
+{$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)+'"');
|
|
|
+
|
|
|
+{$ifdef GDB}
|
|
|
+ n_line:=n_bssline;
|
|
|
+ funcname:=nil;
|
|
|
+ linecount:=1;
|
|
|
+ includecount:=0;
|
|
|
+ fileinfo.fileindex:=1;
|
|
|
+ fileinfo.line:=1;
|
|
|
+ { Write main file }
|
|
|
+ WriteFileLineInfo(fileinfo);
|
|
|
+{$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;
|
|
|
+{$ifdef EXTDEBUG}
|
|
|
+ if assigned(current_module.mainsource) then
|
|
|
+ comment(v_info,'Done writing gas-styled assembler output for '+current_module.mainsource^);
|
|
|
+{$endif EXTDEBUG}
|
|
|
+ end;
|
|
|
+
|
|
|
+end.
|
|
|
+{
|
|
|
+ $Log$
|
|
|
+ Revision 1.1 2002-04-14 16:51:54 carl
|
|
|
+ + basic GNU assembler writer class
|
|
|
+
|
|
|
+}
|
|
|
+
|
carl