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130 lines
3.9 KiB
ObjectPascal
130 lines
3.9 KiB
ObjectPascal
{
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Copyright (c) 2015 by Nikolay Nikolov
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Contains the binary Relocatable Object Module Format (OMF) reader and writer
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This is the object format used on the i8086-msdos platform.
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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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unit ogomf;
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{$i fpcdefs.inc}
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interface
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uses
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{ common }
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cclasses,globtype,
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{ target }
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systems,
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{ assembler }
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cpuinfo,cpubase,aasmbase,assemble,link,
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{ output }
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ogbase,
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owbase;
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type
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TOmfObjData = class(TObjData)
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public
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function sectionname(atype:TAsmSectiontype;const aname:string;aorder:TAsmSectionOrder):string;override;
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procedure writeReloc(Data:aint;len:aword;p:TObjSymbol;Reloctype:TObjRelocationType);override;
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end;
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TOmfObjOutput = class(tObjOutput)
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protected
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function writeData(Data:TObjData):boolean;override;
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public
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constructor create(AWriter:TObjectWriter);override;
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end;
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TOmfAssembler = class(tinternalassembler)
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constructor create(smart:boolean);override;
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end;
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implementation
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uses
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SysUtils,
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cutils,verbose,globals,
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fmodule,aasmtai,aasmdata,
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ogmap,
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version
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;
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{****************************************************************************
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TOmfObjData
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****************************************************************************}
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function TOmfObjData.sectionname(atype:TAsmSectiontype;const aname:string;aorder:TAsmSectionOrder):string;
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begin
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result:=aname;
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end;
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procedure TOmfObjData.writeReloc(Data:aint;len:aword;p:TObjSymbol;Reloctype:TObjRelocationType);
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begin
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end;
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{****************************************************************************
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TOmfObjOutput
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****************************************************************************}
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function TOmfObjOutput.writeData(Data:TObjData):boolean;
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begin
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result:=true;
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end;
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constructor TOmfObjOutput.create(AWriter:TObjectWriter);
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begin
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inherited create(AWriter);
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cobjdata:=TOmfObjData;
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end;
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{****************************************************************************
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TOmfAssembler
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****************************************************************************}
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constructor TOmfAssembler.Create(smart:boolean);
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begin
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inherited Create(smart);
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CObjOutput:=TOmfObjOutput;
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end;
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{*****************************************************************************
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Initialize
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*****************************************************************************}
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{$ifdef i8086}
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const
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as_i8086_omf_info : tasminfo =
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(
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id : as_i8086_omf;
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idtxt : 'OMF';
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asmbin : '';
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asmcmd : '';
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supported_targets : [system_i8086_msdos];
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flags : [af_outputbinary,af_needar,af_no_debug];
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labelprefix : '..@';
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comment : '; ';
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dollarsign: '$';
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);
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{$endif i8086}
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initialization
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{$ifdef i8086}
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RegisterAssembler(as_i8086_omf_info,TOmfAssembler);
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{$endif i8086}
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end.
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