freepascal.compiler/compiler/systems.pas

{
    $Id$
    Copyright (C) 1995,97 by Florian Klaempfl

    This unit contains information about the target systems supported
    (these are not processor specific)

    This progsam is free software; you can redistribute it and/or modify
    iu under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge- MA 02139, USA.

 ****************************************************************************
}
unit systems;

  interface

   type
       tendian = (endian_little,endian_big);

       ttargetcpu=(no_cpu
            ,i386,m68k,alpha
       );

       tprocessors = (no_processor
            ,Class386,ClassP5,ClassP6
            ,MC68000,MC68100,MC68020
       );

       tsection=(sec_none,
         sec_code,sec_data,sec_bss,
         sec_idata2,sec_idata4,sec_idata5,sec_idata6,sec_idata7,sec_edata,
         sec_stab,sec_stabstr
       );

     type
       tasmmode= (asmmode_none
            ,asmmode_i386_direct,asmmode_i386_att,asmmode_i386_intel
            ,asmmode_m68k_mot,asmmode_alpha_direct
       );
     const
       {$ifdef i386}  i386asmmodecnt=3;  {$else} i386asmmodecnt=0; {$endif}
       {$ifdef m68k}  m68kasmmodecnt=1;  {$else} m68kasmmodecnt=0; {$endif}
       {$ifdef alpha} alphaasmmodecnt=1; {$else} alphaasmmodecnt=0; {$endif}
       asmmodecnt=i386asmmodecnt+m68kasmmodecnt+Alphaasmmodecnt+1;

     type
       ttarget = (target_none
            ,target_i386_GO32V1,target_i386_GO32V2,target_i386_linux,
            target_i386_OS2,target_i386_Win32
            ,target_m68k_Amiga,target_m68k_Atari,target_m68k_Mac,
            target_m68k_linux,target_m68k_PalmOS,target_alpha_linux
       );

       ttargetflags = (tf_none,
            tf_supports_stack_checking,tf_need_export
       );

     const
       {$ifdef i386} i386targetcnt=5; {$else} i386targetcnt=0; {$endif}
       {$ifdef m68k} m68ktargetcnt=5; {$else} m68ktargetcnt=0; {$endif}
       {$ifdef alpha} alphatargetcnt=1; {$else} alphatargetcnt=0; {$endif}
       targetcnt=i386targetcnt+m68ktargetcnt+alphatargetcnt+1;

     type
       tasm = (as_none
            ,as_i386_as,as_i386_as_aout,as_i386_asw,
            as_i386_nasmcoff,as_i386_nasmelf,as_i386_nasmobj,
            as_i386_tasm,as_i386_masm,
            as_i386_dbg,as_i386_coff,as_i386_pecoff
            ,as_m68k_as,as_m68k_gas,as_m68k_mit,as_m68k_mot,as_m68k_mpw,
            as_alpha_as
       );
       { binary assembler writers, needed to test for -a }
     const
       {$ifdef i386} i386asmcnt=11; {$else} i386asmcnt=0; {$endif}
       {$ifdef m68k} m68kasmcnt=5; {$else} m68kasmcnt=0; {$endif}
       {$ifdef alpha} alphaasmcnt=1; {$else} alphaasmcnt=0; {$endif}
       asmcnt=i386asmcnt+m68kasmcnt+alphaasmcnt+1;

       binassem : set of tasm = [
         as_i386_dbg,as_i386_coff,as_i386_pecoff
       ];

     type
       tlink = (link_none
            ,link_i386_ld,link_i386_ldgo32v1,
            link_i386_ldgo32v2,link_i386_ldw,
            link_i386_ldos2
            ,link_m68k_ld,link_alpha_ld
       );
     const
       {$ifdef i386} i386linkcnt=5; {$else} i386linkcnt=0; {$endif}
       {$ifdef m68k} m68klinkcnt=1; {$else} m68klinkcnt=0; {$endif}
       {$ifdef alpha} alphalinkcnt=1; {$else} alphalinkcnt=0; {$endif}
       linkcnt=i386linkcnt+m68klinkcnt+alphalinkcnt+1;

     type
       tar = (ar_none
            ,ar_i386_ar,ar_i386_arw
            ,ar_m68k_ar,ar_alpha_ar
       );
     const
       {$ifdef i386} i386arcnt=2; {$else} i386arcnt=0; {$endif}
       {$ifdef m68k} m68karcnt=1; {$else} m68karcnt=0; {$endif}
       {$ifdef alpha} alphaarcnt=1; {$else} alphaarcnt=0; {$endif}
       arcnt=i386arcnt+m68karcnt+alphaarcnt+1;

     type
       tres = (res_none
            ,res_i386_windres
       );
     const
       {$ifdef i386} i386rescnt=1; {$else} i386rescnt=0; {$endif}
       {$ifdef m68k} m68krescnt=0; {$else} m68krescnt=0; {$endif}
       {$ifdef alpha} alpharescnt=0; {$else} alpharescnt=0; {$endif}
       rescnt=i386rescnt+m68krescnt+alpharescnt+1;

     type
       tos = ( os_none,
            os_i386_GO32V1,os_i386_GO32V2,os_i386_Linux,os_i386_OS2,
            os_i386_Win32,
            os_m68k_Amiga,os_m68k_Atari,os_m68k_Mac,os_m68k_Linux,
            os_m68k_PalmOS,os_alpha_linux
       );
     const
       i386oscnt=5;
       m68koscnt=5;
       alphaoscnt=1;
       oscnt=i386oscnt+m68koscnt+alphaoscnt+1;

   type
       tosinfo = packed record
          id    : tos;
          name      : string[30];
          shortname : string[8];
          sharedlibext : string[10];
          staticlibext,
          sourceext,
          pasext,
          exeext,
          defext,
          scriptext : string[4];
          libprefix : string[3];
          Cprefix   : string[2];
          newline   : string[2];
          endian    : tendian;
          stackalignment : {longint this is a little overkill no ?? }byte;
          size_of_pointer : byte;
          size_of_longint : byte;
          use_bound_instruction : boolean;
          use_function_relative_addresses : boolean;
       end;

       tasminfo = packed record
          id      : tasm;
          idtxt       : string[8];
          asmbin      : string[8];
          asmcmd      : string[50];
          allowdirect,
          externals,
          needar      : boolean;
          labelprefix : string[2];
          comment     : string[2];
          secnames    : array[tsection] of string[20];
       end;

       tlinkinfo = packed record
          id        : tlink;
          linkbin       : string[8];
          linkcmd       : string[127];
          binders       : word;
          bindbin       : array[1..2]of string[8];
          bindcmd       : array[1..2]of string[127];
          stripopt      : string[2];
          stripbind     : boolean;     { Strip symbols in binder? }
          libpathprefix : string[13];
          libpathsuffix : string[2];
          groupstart    : string[8];
          groupend      : string[2];
          inputstart    : string[8];
          inputend      : string[2];
          libprefix     : string[2];
       end;

       tarinfo = packed record
          id      : tar;
          arbin   : string[8];
          arcmd   : string[50];
       end;

       tresinfo = packed record
          id      : tres;
          resbin  : string[8];
          rescmd  : string[50];
       end;

       ttargetinfo = packed record
          target      : ttarget;
          flags       : set of ttargetflags;
          cpu         : ttargetcpu;
          short_name  : string[8];
          unit_env    : string[12];
          system_unit : string[8];
          smartext,
          unitext,
          unitlibext,
          asmext,
          objext,
          resext,
          resobjext,
          exeext      : string[4];
          os          : tos;
          link        : tlink;
          assem       : tasm;
          assemsrc    : tasm; { default source writing assembler }
          ar          : tar;
          res         : tres;
          heapsize,
          maxheapsize,
          stacksize   : longint;
       end;

       tasmmodeinfo=packed record
          id    : tasmmode;
          idtxt : string[8];
       end;

    var
       target_cpu  : ttargetcpu;
       target_info : ttargetinfo;
       target_os   : tosinfo;
       target_asm  : tasminfo;
       target_link : tlinkinfo;
       target_ar   : tarinfo;
       target_res  : tresinfo;
       target_path : string[12]; { for rtl/<X>/,fcl/<X>/, etc. }
       source_os   : tosinfo;

    function set_target_os(t:tos):boolean;
    function set_target_asm(t:tasm):boolean;
    function set_target_link(t:tlink):boolean;
    function set_target_ar(t:tar):boolean;
    function set_target_res(t:tres):boolean;
    function set_target_info(t:ttarget):boolean;

    function set_string_target(s : string) : boolean;
    function set_string_asm(s : string) : boolean;
    function set_string_asmmode(s:string;var t:tasmmode):boolean;

    procedure InitSystems;


implementation

    const

{****************************************************************************
                                 OS Info
****************************************************************************}
       os_infos : array[1..oscnt] of tosinfo = (
          (
            id     : os_none;
            name         : 'No operating system';
            shortname    : 'none'
          ),
          (
            id     : os_i386_go32v1;
            name         : 'GO32 V1 DOS extender';
            shortname    : 'go32v1';
            sharedlibext : '.dll';
            staticlibext : '.a';
            sourceext    : '.pp';
            pasext       : '.pas';
            exeext       : '';      { No .exe, the linker only output a.out ! }
            defext       : '.def';
            scriptext    : '.bat';
            libprefix    : '';
            Cprefix      : '_';
            newline      : #13#10;
            endian       : endian_little;
            stackalignment : 2;
            size_of_pointer : 4;
            size_of_longint : 4;
            use_bound_instruction : false;
            use_function_relative_addresses : true
          ),
          (
            id     : os_i386_go32v2;
            name         : 'GO32 V2 DOS extender';
            shortname    : 'go32v2';
            sharedlibext : '.dll';
            staticlibext : '.a';
            sourceext    : '.pp';
            pasext       : '.pas';
            exeext       : '.exe';
            defext       : '.def';
            scriptext    : '.bat';
            libprefix    : '';
            Cprefix      : '_';
            newline      : #13#10;
            endian       : endian_little;
            stackalignment : 2;
            size_of_pointer : 4;
            size_of_longint : 4;
            use_bound_instruction : false;
            use_function_relative_addresses : true
          ),
          (
            id     : os_i386_linux;
            name         : 'Linux for i386';
            shortname    : 'linux';
            sharedlibext : '.so';
            staticlibext : '.a';
            sourceext    : '.pp';
            pasext       : '.pas';
            exeext       : '';
            defext       : '.def';
            scriptext    : '.sh';
            libprefix    : 'lib';
            Cprefix      : '';
            newline      : #10;
            endian       : endian_little;
            stackalignment : 4;
            size_of_pointer : 4;
            size_of_longint : 4;
            use_bound_instruction : false;
            use_function_relative_addresses : true
          ),
          (
            id     : os_i386_os2;
            name         : 'OS/2 via EMX';
            shortname    : 'os2';
            sharedlibext : '.ao2';
            staticlibext : '.ao2';
            sourceext    : '.pas';
            pasext       : '.pp';
            exeext       : '.exe';
            defext       : '.def';
            scriptext    : '.cmd';
            libprefix    : '';
            Cprefix      : '_';
            newline      : #13#10;
            endian       : endian_little;
            stackalignment : 2;
            size_of_pointer : 4;
            size_of_longint : 4;
            use_bound_instruction : false;
            use_function_relative_addresses : false
          ),
          (
            id     : os_i386_win32;
            name         : 'Win32 for i386';
            shortname    : 'win32';
            sharedlibext : '.dll';
            staticlibext : '.aw';
            sourceext    : '.pp';
            pasext       : '.pas';
            exeext       : '.exe';
            defext       : '.def';
            scriptext    : '.bat';
            libprefix    : 'lib';
            Cprefix      : '_';
            newline      : #13#10;
            endian       : endian_little;
            stackalignment : 4;
            size_of_pointer : 4;
            size_of_longint : 4;
            use_bound_instruction : false;
            use_function_relative_addresses : true
          ),
          (
            id     : os_m68k_amiga;
            name         : 'Commodore Amiga';
            shortname    : 'amiga';
            sharedlibext : '.library';
            staticlibext : '.a';
            sourceext    : '.pp';
            pasext       : '.pas';
            exeext       : '';
            defext       : '';
            scriptext    : '';
            libprefix    : '';
            Cprefix      : '_';
            newline      : #10;
            endian       : endian_big;
            stackalignment : 2;
            size_of_pointer : 4;
            size_of_longint : 4;
            use_bound_instruction : false;
            use_function_relative_addresses : false
          ),
          (
            id     : os_m68k_atari;
            name         : 'Atari ST/STE';
            shortname    : 'atari';
            sharedlibext : '.dll';
            staticlibext : '.a';
            sourceext    : '.pp';
            pasext       : '.pas';
            exeext       : '.tpp';
            defext       : '';
            scriptext    : '';
            libprefix    : '';
            Cprefix      : '_';
            newline      : #10;
            endian       : endian_big;
            stackalignment : 2;
            size_of_pointer : 4;
            size_of_longint : 4;
            use_bound_instruction : false;
            use_function_relative_addresses : false
          ),
          (
            id     : os_m68k_mac;
            name         : 'Macintosh m68k';
            shortname    : 'mac';
            sharedlibext : '.dll';
            staticlibext : '.a';
            sourceext    : '.pp';
            pasext       : '.pas';
            exeext       : '.tpp';
            defext       : '';
            scriptext    : '';
            libprefix    : '';
            Cprefix      : '_';
            newline      : #13;
            endian       : endian_big;
            stackalignment : 2;
            size_of_pointer : 4;
            size_of_longint : 4;
            use_bound_instruction : false;
            use_function_relative_addresses : false
          ),
          (
            id     : os_m68k_linux;
            name         : 'Linux for m68k';
            shortname    : 'linux';
            sharedlibext : '.so';
            staticlibext : '.a';
            sourceext    : '.pp';
            pasext       : '.pas';
            exeext       : '';
            defext       : '';
            scriptext    : '.sh';
            libprefix    : 'lib';
            Cprefix      : '';
            newline      : #10;
            endian       : endian_big;
            stackalignment : 2;
            size_of_pointer : 4;
            size_of_longint : 4;
            use_bound_instruction : false;
            use_function_relative_addresses : true
          ),
          (
            id     : os_m68k_palmos;
            name         : 'PalmOS';
            shortname    : 'palmos';
            sharedlibext : '.so';
            staticlibext : '.a';
            sourceext    : '.pp';
            pasext       : '.pas';
            exeext       : '';
            defext       : '';
            scriptext    : '.sh';
            libprefix    : 'lib';
            Cprefix      : '_';
            newline      : #10;
            endian       : endian_big;
            stackalignment : 2;
            size_of_pointer : 4;
            size_of_longint : 4;
            use_bound_instruction : false;
            use_function_relative_addresses : false
          ),
          (
            id     : os_alpha_linux;
            name         : 'Linux for Alpha';
            shortname    : 'axplinux';
            sharedlibext : '.so';
            staticlibext : '.a';
            sourceext    : '.pp';
            pasext       : '.pas';
            exeext       : '';
            defext       : '.def';
            scriptext    : '.sh';
            libprefix    : 'lib';
            Cprefix      : '';
            newline      : #10;
            endian       : endian_little;
            stackalignment : 8;
            size_of_pointer : 8;
            size_of_longint : 4;
            use_bound_instruction : false;
            use_function_relative_addresses : true
          )
          );


{****************************************************************************
                             Assembler Info
****************************************************************************}

       as_infos : array[1..asmcnt] of tasminfo = (
          (
            id     : as_none;
            idtxt  : 'no'
          )
{$ifdef i386}
          ,(
            id     : as_i386_as;
            idtxt  : 'AS';
            asmbin : 'as';
            asmcmd : '-o $OBJ $ASM';
            allowdirect : true;
            externals : false;
            needar : true;
            labelprefix : '.L';
            comment : '# ';
            secnames : ('',
              '.text','.data','.bss',
              '','','','','','',
              '.stab','.stabstr')
          )
          ,(
            id     : as_i386_as_aout;
            idtxt  : 'AS_AOUT';
            asmbin : 'as';
            asmcmd : '-o $OBJ $ASM';
            allowdirect : true;
            externals : false;
            needar : true;
            labelprefix : 'L';
            comment : '# ';
            secnames : ('',
              '.text','.data','.bss',
              '','','','','','',
              '.stab','.stabstr')
          )
          ,(
            id     : as_i386_asw;
            idtxt  : 'ASW';
            asmbin : 'asw';
            asmcmd : '-o $OBJ $ASM';
            allowdirect : true;
            externals : false;
            needar : true;
            labelprefix : '.L';
            comment : '# ';
            secnames : ('',
              '.text','.data','.section .bss',
              '.section .idata$2','.section .idata$4','.section .idata$5',
                '.section .idata$6','.section .idata$7','.section .edata',
              '.stab','.stabstr')
          )
          ,(
            id     : as_i386_nasmcoff;
            idtxt  : 'NASMCOFF';
            asmbin : 'nasm';
            asmcmd : '-f coff -o $OBJ $ASM';
            allowdirect : true;
            externals : true;
            needar : true;
            labelprefix : 'L';
            comment : '; ';
            secnames : ('',
              '.text','.data','.bss',
              '.idata2','.idata4','.idata5','.idata6','.idata7','.edata',
              '.stab','.stabstr')
          )
          ,(
            id     : as_i386_nasmelf;
            idtxt  : 'NASMELF';
            asmbin : 'nasm';
            asmcmd : '-f elf -o $OBJ $ASM';
            allowdirect : true;
            externals : true;
            needar : true;
            labelprefix : 'L';
            comment : '; ';
            secnames : ('',
              '.text','.data','.bss',
              '.idata2','.idata4','.idata5','.idata6','.idata7','.edata',
              '.stab','.stabstr')
          )
          ,(
            id     : as_i386_nasmobj;
            idtxt  : 'NASMOBJ';
            asmbin : 'nasm';
            asmcmd : '-f obj -o $OBJ $ASM';
            allowdirect : true;
            externals : true;
            needar : true;
            labelprefix : 'L';
            comment : '; ';
            secnames : ('',
              '.text','.data','.bss',
              '.idata2','.idata4','.idata5','.idata6','.idata7','.edata',
              '.stab','.stabstr')
          )
          ,(
            id     : as_i386_tasm;
            idtxt  : 'TASM';
            asmbin : 'tasm';
            asmcmd : '/m2 $ASM $OBJ';
            allowdirect : true;
            externals : true;
            needar : true;
            labelprefix : '@@';
            comment : '; ';
            secnames : ('',
              'CODE','DATA','BSS',
              '','','','','','',
              '','')
          )
          ,(
            id     : as_i386_masm;
            idtxt  : 'MASM';
            asmbin : 'masm';
            asmcmd : '$ASM $OBJ';
            allowdirect : true;
            externals : true;
            needar : true;
            labelprefix : '.L';
            comment : '; ';
            secnames : ('',
              'CODE','DATA','BSS',
              '','','','','','',
              '','')
          )
          ,(
            id     : as_i386_dbg;
            idtxt  : 'DBG';
            asmbin : '';
            asmcmd : '';
            allowdirect : false;
            externals : true;
            needar : false;
            labelprefix : 'L';
            comment : '';
            secnames : ('',
              '.text','.data','.bss',
              '.idata$2','.idata$4','.idata$5','.idata$6','.idata$7','.edata',
              '.stab','.stabstr')
          )
          ,(
            id     : as_i386_coff;
            idtxt  : 'COFF';
            asmbin : '';
            asmcmd : '';
            allowdirect : false;
            externals : true;
            needar : false;
            labelprefix : '.L';
            comment : '';
            secnames : ('',
              '.text','.data','.bss',
              '.idata$2','.idata$4','.idata$5','.idata$6','.idata$7','.edata',
              '.stab','.stabstr')
          )
          ,(
            id     : as_i386_pecoff;
            idtxt  : 'PECOFF';
            asmbin : '';
            asmcmd : '';
            allowdirect : false;
            externals : true;
            needar : false;
            labelprefix : '.L';
            comment : '';
            secnames : ('',
              '.text','.data','.bss',
              '.idata$2','.idata$4','.idata$5','.idata$6','.idata$7','.edata',
              '.stab','.stabstr')
          )
{$endif i386}
{$ifdef m68k}
          ,(
            id     : as_m68k_as;
            idtxt  : 'AS';
            asmbin : 'as';
            asmcmd : '-o $OBJ $ASM';
            allowdirect : true;
            externals : false;
            needar : true;
            labelprefix : '.L';
            comment : '# ';
            secnames : ('',
              '.text','.data','.bss',
              '.idata$2','.idata$4','.idata$5','.idata$6','.idata$7','.edata',
              '.stab','.stabstr')
          )
          ,(
            id     : as_m68k_gas;
            idtxt  : 'GAS';
            asmbin : 'as68k'; { Gas for the Amiga}
            asmcmd : '--register-prefix-optional -o $OBJ $ASM';
            allowdirect : true;
            externals : false;
            needar : true;
            labelprefix : '.L';
            comment : '| ';
            secnames : ('',
              '.text','.data','.bss',
              '.idata$2','.idata$4','.idata$5','.idata$6','.idata$7','.edata',
              '.stab','.stabstr')
          )
          ,(
            id     : as_m68k_mit;
            idtxt  : 'MIT';
            asmbin : '';
            asmcmd : '-o $OBJ $ASM';
            allowdirect : true;
            externals : false;
            needar : true;
            labelprefix : '.L';
            comment : '| ';
            secnames : ('',
              '.text','.data','.bss',
              '.idata$2','.idata$4','.idata$5','.idata$6','.idata$7','.edata',
              '.stab','.stabstr')
          )
          ,(
            id     : as_m68k_mot;
            idtxt  : 'MOT';
            asmbin : '';
            asmcmd : '-o $OBJ $ASM';
            allowdirect : true;
            externals : false;
            needar : true;
            labelprefix : '__L';
            comment : '| ';
            secnames : ('',
              '.text','.data','.bss',
              '.idata$2','.idata$4','.idata$5','.idata$6','.idata$7','.edata',
              '.stab','.stabstr')
          )
          ,(
            id     : as_m68k_mpw;
            idtxt  : 'MPW';
            asmbin : '';
            asmcmd : '-model far -o $OBJ $ASM';
            allowdirect : true;
            externals : false;
            needar : true;
            labelprefix : '__L';
            comment : '| ';
            secnames : ('',
              '.text','.data','.bss',
              '.idata$2','.idata$4','.idata$5','.idata$6','.idata$7','.edata',
              '.stab','.stabstr')
          )
{$endif m68k}
{$ifdef alpha}
          ,(
            id     : as_alpha_as;
            idtxt  : 'AS';
            asmbin : 'as';
            asmcmd : '-o $OBJ $ASM';
            allowdirect : true;
            externals : false;
            needar : true;
            labelprefix : '.L';
            comment : '# ';
            secnames : ('',
              '.text','.data','.bss',
              '','','','','','',
              '.stab','.stabstr')
          )
{$endif}
          );


{****************************************************************************
                            Linker Info
****************************************************************************}

       link_infos : array[1..linkcnt] of tlinkinfo = (
          (
            id      : link_none
          )
{$ifdef i386}
          ,(
            id      : link_i386_ld;
            linkbin : 'ld';
            linkcmd : '$OPT -o $EXE $RES';
            binders : 0;
            bindbin : ('','');
            bindcmd : ('','');
            stripopt   : '-s';
            stripbind  : false;
            libpathprefix : 'SEARCH_DIR(';
            libpathsuffix : ')';
            groupstart : 'GROUP(';
            groupend   : ')';
            inputstart : 'INPUT(';
            inputend   : ')';
            libprefix  : '-l'
          )
          ,(
            id      : link_i386_ldgo32v1;
            linkbin : 'ld';
            linkcmd : '-oformat coff-go32 $OPT -o $EXE @$RES';
            binders : 1;
            bindbin : ('aout2exe','');
            bindcmd : ('$EXE','');
            stripopt   : '-s';
            stripbind  : false;
            libpathprefix : '-L';
            libpathsuffix : '';
            groupstart : '-(';
            groupend   : '-)';
            inputstart : '';
            inputend   : '';
            libprefix  : '-l'
          )
          ,(
            id      : link_i386_ldgo32v2;
            linkbin : 'ld';
            linkcmd : '-oformat coff-go32-exe $OPT -o $EXE @$RES';
            binders:0;
            bindbin : ('','');
            bindcmd : ('','');
            stripopt   : '-s';
            stripbind  : false;
            libpathprefix : '-L';
            libpathsuffix : '';
            groupstart : '-(';
            groupend   : '-)';
            inputstart : '';
            inputend   : '';
            libprefix  : '-l'
          )
          ,(
            id      : link_i386_ldw;
            linkbin : 'ldw';
            linkcmd : '$OPT -o $EXE $RES';
            binders : 0;
            bindbin : ('dlltool','ldw');
            bindcmd : ('--as asw.exe --dllname $EXE --output-exp exp.$$$',
                       '-s $OPT -o $EXE $RES exp.$$$');
            stripopt   : '-s';
            stripbind  : false;
            libpathprefix : 'SEARCH_DIR(';
            libpathsuffix : ')';
            groupstart : 'GROUP(';
            groupend   : ')';
            inputstart : 'INPUT(';
            inputend   : ')';
            libprefix  : '-l'
          )
          ,(
            id      : link_i386_ldos2;
            linkbin : 'ld';  { Os/2 }
            linkcmd : '-o $EXE @$RES';
            binders : 1;
            bindbin : ('emxbind','');
            bindcmd : ('-b $STRIP -k$STACKKB -h$HEAPMB -o $EXE.exe $EXE -aim -s$DOSHEAPKB',
                       '');
            stripopt   : '-s';
            stripbind  : true;
            libpathprefix : '-L';
            libpathsuffix : '';
            groupstart : ''; {Linker is too primitive...}
            groupend   : '';
            inputstart : '';
            inputend   : '';
            libprefix  : '-l'
          )
{$endif i386}
{$ifdef m68k}
          ,(
            id      : link_m68k_ld;
            linkbin : 'ld';
            linkcmd : '$OPT -o $EXE $RES';
            binders:0;
            bindbin : ('','');
            bindcmd : ('','');
            stripopt   : '-s';
            stripbind  : false;
            libpathprefix : 'SEARCH_DIR(';
            libpathsuffix : ')';
            groupstart : 'GROUP(';
            groupend   : ')';
            inputstart : 'INPUT(';
            inputend   : ')';
            libprefix  : '-l'
          )
{$endif m68k}
{$ifdef alpha}
          ,(
            id      : link_alpha_ld;
            linkbin : 'ld';
            linkcmd : '$OPT -o $EXE $RES';
            binders : 0;
            bindbin : ('','');
            bindcmd : ('','');
            stripopt   : '-s';
            stripbind  : false;
            libpathprefix : 'SEARCH_DIR(';
            libpathsuffix : ')';
            groupstart : 'GROUP(';
            groupend   : ')';
            inputstart : 'INPUT(';
            inputend   : ')';
            libprefix  : '-l'
          )
{$endif}
          );

{****************************************************************************
                                 Ar Info
****************************************************************************}
       ar_infos : array[1..arcnt] of tarinfo = (
          (
            id    : ar_none
          )
{$ifdef i386}
          ,(
            id    : ar_i386_ar;
            arbin : 'ar';
            arcmd : 'rs $LIB $FILES'
          ),
          (
            id    : ar_i386_arw;
            arbin : 'arw';
            arcmd : 'rs $LIB $FILES'
          )
{$endif i386}
{$ifdef m68k}
          ,(
            id    : ar_m68k_ar;
            arbin : 'ar';
            arcmd : 'rs $LIB $FILES'
          )
{$endif m68k}
{$ifdef alpha}
          ,(
            id    : ar_alpha_ar;
            arbin : 'ar';
            arcmd : 'rs $LIB $FILES'
          )
{$endif}
          );


{****************************************************************************
                                 Res Info
****************************************************************************}
       res_infos : array[1..rescnt] of tresinfo = (
          (
            id     : res_none
          )
{$ifdef i386}
          ,(
            id     : res_i386_windres;
            resbin : 'windres';
            rescmd : '--include $INC -O coff -o $OBJ $RES'
          )
{$endif i386}
          );


{****************************************************************************
                            Targets Info
****************************************************************************}
       target_infos : array[1..targetcnt] of ttargetinfo = (
          (
            target      : target_none;
            flags       : [];
            cpu  : no_cpu;
            short_name  : 'notarget'
          )
{$ifdef i386}
          ,(
            target      : target_i386_GO32V1;
            flags       : [];
            cpu         : i386;
            short_name  : 'GO32V1';
            unit_env    : 'GO32V1UNITS';
            system_unit : 'SYSTEM';
            smartext    : '.sl';
            unitext     : '.pp1';
            unitlibext  : '.ppl';
            asmext      : '.s1';
            objext      : '.o1';
            resext      : '.res';
            resobjext   : '.o1r';
            exeext      : ''; { The linker produces a.out }
            os          : os_i386_GO32V1;
            link        : link_i386_ldgo32v1;
            assem       : as_i386_as;
            assemsrc    : as_i386_as;
            ar          : ar_i386_ar;
            res         : res_none;
            heapsize    : 2048*1024;
            maxheapsize : 32768*1024;
            stacksize   : 16384
          ),
          (
            target      : target_i386_GO32V2;
            flags       : [];
            cpu         : i386;
            short_name  : 'GO32V2';
            unit_env    : 'GO32V2UNITS';
            system_unit : 'SYSTEM';
            smartext    : '.sl';
            unitext     : '.ppu';
            unitlibext  : '.ppl';
            asmext      : '.s';
            objext      : '.o';
            resext      : '.res';
            resobjext   : '.or';
            exeext      : '.exe';
            os          : os_i386_GO32V2;
            link        : link_i386_ldgo32v2;
            assem       : as_i386_coff;
            assemsrc    : as_i386_as;
            ar          : ar_i386_ar;
            res         : res_none;
            heapsize    : 2048*1024;
            maxheapsize : 32768*1024;
            stacksize   : 16384
          ),
          (
            target      : target_i386_LINUX;
            flags       : [];
            cpu         : i386;
            short_name  : 'LINUX';
            unit_env    : 'LINUXUNITS';
            system_unit : 'syslinux';
            smartext    : '.sl';
            unitext     : '.ppu';
            unitlibext  : '.ppl';
            asmext      : '.s';
            objext      : '.o';
            resext      : '.res';
            resobjext   : '.or';
            exeext      : '';
            os          : os_i386_Linux;
            link        : link_i386_ld;
            assem       : as_i386_as;
            assemsrc    : as_i386_as;
            ar          : ar_i386_ar;
            res         : res_none;
            heapsize    : 256*1024;
            maxheapsize : 32768*1024;
            stacksize   : 8192
          ),
          (
            target      : target_i386_OS2;
            flags       : [tf_need_export];
            cpu  : i386;
            short_name  : 'OS2';
            unit_env    : 'OS2UNITS';
            system_unit : 'SYSOS2';
            smartext    : '.sl';
            unitext     : '.ppo';
            unitlibext  : '.ppl';
            asmext      : '.so2';
            objext      : '.oo2';
            resext      : '.res';
            resobjext   : '.oor';
            exeext      : ''; { The linker produces a.out }
            os          : os_i386_OS2;
            link        : link_i386_ldos2;
            assem       : as_i386_as_aout;
            assemsrc    : as_i386_as_aout;
            ar          : ar_i386_ar;
            res         : res_none;
            heapsize    : 256*1024;
            maxheapsize : 32768*1024;
            stacksize   : 32768
          ),
          (
            target      : target_i386_WIN32;
            flags       : [];
            cpu         : i386;
            short_name  : 'WIN32';
            unit_env    : 'WIN32UNITS';
            system_unit : 'SYSWIN32';
            smartext    : '.slw';
            unitext     : '.ppw';
            unitlibext  : '.ppl';
            asmext      : '.sw';
            objext      : '.ow';
            resext      : '.rc';
            resobjext   : '.owr';
            exeext      : '.exe';
            os          : os_i386_Win32;
            link        : link_i386_ldw;
            assem       : as_i386_pecoff;
            assemsrc    : as_i386_asw;
            ar          : ar_i386_arw;
            res         : res_i386_windres;
            heapsize    : 256*1024;
            maxheapsize : 32*1024*1024;
            stacksize   : 32*1024*1024
          )
{$endif i386}
{$ifdef m68k}
          ,(
            target      : target_m68k_Amiga;
            flags       : [];
            cpu         : m68k;
            short_name  : 'AMIGA';
            unit_env    : '';
            system_unit : 'sysamiga';
            smartext    : '.sl';
            unitext     : '.ppa';
            unitlibext  : '.ppl';
            asmext      : '.asm';
            objext      : '.o';
            resext      : '.res';
            resobjext   : '.or';
            exeext      : '';
            os          : os_m68k_Amiga;
            link        : link_m68k_ld;
            assem       : as_m68k_as;
            assemsrc    : as_m68k_as;
            ar          : ar_m68k_ar;
            res         : res_none;
            heapsize    : 128*1024;
            maxheapsize : 32768*1024;
            stacksize   : 8192
          ),
          (
            target      : target_m68k_Atari;
            flags       : [];
            cpu         : m68k;
            short_name  : 'ATARI';
            unit_env    : '';
            system_unit : 'SYSATARI';
            smartext    : '.sl';
            unitext     : '.ppt';
            unitlibext  : '.ppl';
            asmext      : '.s';
            objext      : '.o';
            resext      : '.res';
            resobjext   : '.or';
            exeext      : '.ttp';
            os          : os_m68k_Atari;
            link        : link_m68k_ld;
            assem       : as_m68k_as;
            assemsrc    : as_m68k_as;
            ar          : ar_m68k_ar;
            res         : res_none;
            heapsize    : 16*1024;
            maxheapsize : 32768*1024;
            stacksize   : 8192
          ),
          (
            target      : target_m68k_Mac;
            flags       : [];
            cpu         : m68k;
            short_name  : 'MACOS';
            unit_env    : '';
            system_unit : 'sysmac';
            smartext    : '.sl';
            unitext     : '.ppt';
            unitlibext  : '.ppl';
            asmext      : '.a';
            objext      : '.o';
            resext      : '.res';
            resobjext   : '.or';
            exeext      : '';
            os          : os_m68k_Mac;
            link        : link_m68k_ld;
            assem       : as_m68k_mpw;
            assemsrc    : as_m68k_mpw;
            ar          : ar_m68k_ar;
            res         : res_none;
            heapsize    : 128*1024;
            maxheapsize : 32768*1024;
            stacksize   : 8192
          ),
          (
            target      : target_m68k_linux;
            flags       : [];
            cpu         : m68k;
            short_name  : 'LINUX';
            unit_env    : 'LINUXUNITS';
            system_unit : 'syslinux';
            smartext    : '.sl';
            unitext     : '.ppu';
            unitlibext  : '.ppl';
            asmext      : '.s';
            objext      : '.o';
            resext      : '.res';
            resobjext   : '.or';
            exeext      : '';
            os          : os_m68k_Linux;
            link        : link_m68k_ld;
            assem       : as_m68k_as;
            assemsrc    : as_m68k_as;
            ar          : ar_m68k_ar;
            res         : res_none;
            heapsize    : 128*1024;
            maxheapsize : 32768*1024;
            stacksize   : 8192
          ),
          (
            target      : target_m68k_PalmOS;
            flags       : [];
            cpu         : m68k;
            short_name  : 'PALMOS';
            unit_env    : 'PALMUNITS';
            system_unit : 'syspalm';
            smartext    : '.sl';
            unitext     : '.ppu';
            unitlibext  : '.ppl';
            asmext      : '.s';
            objext      : '.o';
            resext      : '.res';
            resobjext   : '.or';
            exeext      : '';
            os          : os_m68k_PalmOS;
            link        : link_m68k_ld;
            assem       : as_m68k_as;
            assemsrc    : as_m68k_as;
            ar          : ar_m68k_ar;
            res         : res_none;
            heapsize    : 128*1024;
            maxheapsize : 32768*1024;
            stacksize   : 8192
          )
{$endif m68k}
{$ifdef alpha}
          ,(
            target      : target_alpha_LINUX;
            flags       : [];
            cpu         : alpha;
            short_name  : 'LINUX';
            unit_env    : 'LINUXUNITS';
            system_unit : 'syslinux';
            smartext    : '.sl';
            unitext     : '.ppu';
            unitlibext  : '.ppl';
            asmext      : '.s';
            objext      : '.o';
            resext      : '.res';
            resobjext   : '.or';
            exeext      : '';
            os          : os_alpha_Linux;
            link        : link_alpha_ld;
            assem       : as_alpha_as;
            assemsrc    : as_alpha_as;
            ar          : ar_alpha_ar;
            res         : res_none;
            heapsize    : 256*1024;
            maxheapsize : 32768*1024;
            stacksize   : 8192
          )
{$endif}
          );

{****************************************************************************
                             AsmModeInfo
****************************************************************************}
       asmmodeinfos : array[1..asmmodecnt] of tasmmodeinfo = (
          (
            id    : asmmode_none;
            idtxt : 'none'
          )
{$ifdef i386}
          ,(
            id    : asmmode_i386_direct;
            idtxt : 'DIRECT'
          ),
          (
            id    : asmmode_i386_att;
            idtxt : 'ATT'
          ),
          (
            id    : asmmode_i386_intel;
            idtxt : 'INTEL'
          )
{$endif i386}
{$ifdef m68k}
          ,(
            id    : asmmode_m68k_mot;
            idtxt : 'MOT'
          )
{$endif m68k}
{$ifdef alpha}
          ,(
            id    : asmmode_alpha_direct;
            idtxt : 'DIRECT'
          )
{$endif}
          );

{****************************************************************************
                                Helpers
****************************************************************************}

function upper(const s : string) : string;
var
  i  : longint;
begin
  for i:=1 to length(s) do
   if s[i] in ['a'..'z'] then
    upper[i]:=char(byte(s[i])-32)
   else
    upper[i]:=s[i];
{$ifndef TP}
  {$ifopt H+}
    SetLength(upper,length(s));
  {$else}
    upper[0]:=s[0];
  {$endif}
{$else}
  upper[0]:=s[0];
{$endif}
end;

function lower(const s : string) : string;
var
  i : longint;
begin
  for i:=1 to length(s) do
   if s[i] in ['A'..'Z'] then
    lower[i]:=char(byte(s[i])+32)
   else
    lower[i]:=s[i];
  {$ifndef TP}
    {$ifopt H+}
      setlength(lower,length(s));
    {$else}
      lower[0]:=s[0];
    {$endif}
  {$else}
    lower[0]:=s[0];
  {$endif}
end;


function set_target_os(t:tos):boolean;
var
  i : longint;
begin
  set_target_os:=false;
  { target 1 is none }
  for i:=2 to oscnt do
   if os_infos[i].id=t then
    begin
      target_os:=os_infos[i];
      set_target_os:=true;
      exit;
    end;
end;


function set_target_asm(t:tasm):boolean;
var
  i : longint;
begin
  set_target_asm:=false;
  for i:=1 to asmcnt do
   if as_infos[i].id=t then
    begin
      target_asm:=as_infos[i];
      set_target_asm:=true;
      exit;
    end;
end;


function set_target_link(t:tlink):boolean;
var
  i : longint;
begin
  set_target_link:=false;
  for i:=1 to linkcnt do
   if link_infos[i].id=t then
    begin
      target_link:=link_infos[i];
      set_target_link:=true;
      exit;
    end;
end;


function set_target_ar(t:tar):boolean;
var
  i : longint;
begin
  set_target_ar:=false;
  for i:=1 to arcnt do
   if ar_infos[i].id=t then
    begin
      target_ar:=ar_infos[i];
      set_target_ar:=true;
      exit;
    end;
end;


function set_target_res(t:tres):boolean;
var
  i : longint;
begin
  set_target_res:=false;
  for i:=1 to rescnt do
   if res_infos[i].id=t then
    begin
      target_res:=res_infos[i];
      set_target_res:=true;
      exit;
    end;
end;


function set_target_info(t:ttarget):boolean;
var
  i : longint;
begin
  set_target_info:=false;
  for i:=1 to targetcnt do
   if target_infos[i].target=t then
    begin
      target_info:=target_infos[i];
      set_target_os(target_info.os);
      set_target_asm(target_info.assem);
      set_target_link(target_info.link);
      set_target_ar(target_info.ar);
      set_target_res(target_info.res);
      target_path:=lower(target_info.short_name);
      target_cpu:=target_info.cpu;
      set_target_info:=true;
      exit;
    end;
end;


{****************************************************************************
                             Load from string
****************************************************************************}

function set_string_target(s : string) : boolean;
var
  i : longint;
begin
  set_string_target:=false;
  { this should be case insensitive !! PM }
  s:=upper(s);
  for i:=1 to targetcnt do
   if target_infos[i].short_name=s then
    begin
      set_target_info(target_infos[i].target);
      set_string_target:=true;
      exit;
    end;
end;


function set_string_asm(s : string) : boolean;
var
  i : longint;
begin
  set_string_asm:=false;
  { this should be case insensitive !! PM }
  s:=upper(s);
  for i:=1 to asmcnt do
   if as_infos[i].idtxt=s then
    begin
      target_asm:=as_infos[i];
      set_string_asm:=true;
    end;
end;


function set_string_asmmode(s:string;var t:tasmmode):boolean;
var
  i : longint;
begin
  set_string_asmmode:=false;
  { this should be case insensitive !! PM }
  s:=upper(s);
  for i:=1 to asmmodecnt do
   if asmmodeinfos[i].idtxt=s then
    begin
      t:=asmmodeinfos[i].id;
      set_string_asmmode:=true;
    end;
end;


{****************************************************************************
                      Initialization of default target
****************************************************************************}

procedure default_os(t:ttarget);
begin
  set_target_info(t);
  if source_os.name='' then
    source_os:=target_os;
end;


procedure set_source_os(t:tos);
var
  i : longint;
begin
{ can't use message() here (PFV) }
  if source_os.name<>'' then
    Writeln('Warning: Source OS Redefined!');
  for i:=1 to oscnt do
   if os_infos[i].id=t then
    begin
      source_os:=os_infos[i];
      exit;
    end;
end;


procedure InitSystems;
begin
{ first get source OS }
  source_os.name:='';
{ please note then we use cpu86 and cpu68 here on purpose !! }
{$ifdef cpu86}
  {$ifdef GO32V1}
    set_source_os(os_i386_GO32V1);
  {$else}
    {$ifdef GO32V2}
      set_source_os(os_i386_GO32V2);
    {$else}
      {$ifdef OS2}
        set_source_os(os_i386_OS2);
        if (OS_Mode = osDOS) or (OS_Mode = osDPMI)
                                            then source_os.scriptext := '.bat';
{OS/2 via EMX can be run under DOS as well}
      {$else}
        {$ifdef LINUX}
          set_source_os(os_i386_LINUX);
        {$else}
          {$ifdef WIN32}
            set_source_os(os_i386_WIN32);
          {$endif win32}
        {$endif linux}
      {$endif os2}
    {$endif go32v2}
  {$endif go32v1}
{$endif cpu86}
{$ifdef cpu68}
  {$ifdef AMIGA}
    set_source_os(os_m68k_Amiga);
  {$else}
    {$ifdef ATARI}
      set_source_os(os_m68k_Atari);
    {$else}
      {$ifdef MACOS}
        set_source_os(os_m68k_MAC);
      {$else}
        {$ifdef LINUX}
          set_source_os(os_m68k_linux);
        {$endif linux}
      {$endif macos}
    {$endif atari}
  {$endif amiga}
{$endif cpu68}

{ Now default target !! }
{$ifdef i386}
  {$ifdef GO32V1}
     default_os(target_i386_GO32V1);
  {$else}
    {$ifdef GO32V2}
      default_os(target_i386_GO32V2);
    {$else}
      {$ifdef OS2}
        default_os(target_i386_OS2);
      {$else}
        {$ifdef LINUX}
          default_os(target_i386_LINUX);
        {$else}
           {$ifdef WIN32}
             default_os(target_i386_WIN32);
           {$else}
             default_os(target_i386_GO32V2);
           {$endif win32}
        {$endif linux}
      {$endif os2}
    {$endif go32v2}
  {$endif go32v1}
{$endif i386}
{$ifdef m68k}
  {$ifdef AMIGA}
    default_os(target_m68k_Amiga);
  {$else}
    {$ifdef ATARI}
      default_os(target_m68k_Atari);
    {$else}
      {$ifdef MACOS}
        default_os(target_m68k_Mac);
      {$else}
        {$ifdef LINUX}
          default_os(target_m68k_linux);
        {$else}
          default_os(target_m68k_Amiga);
        {$endif linux}
      {$endif macos}
    {$endif atari}
  {$endif amiga}
{$endif m68k}
{$ifdef alpha}
  default_os(target_alpha_linux);
{$endif i386}
end;


begin
  InitSystems;
end.
{
  $Log$
  Revision 1.88  1999-08-03 22:03:23  peter
    * moved bitmask constants to sets
    * some other type/const renamings

  Revision 1.87  1999/08/03 17:09:43  florian
    * the alpha compiler can be compiled now

  Revision 1.86  1999/08/03 15:52:00  michael
  * changed shortname for linux alpha

  Revision 1.85  1999/08/03 13:50:19  michael
  + Changes for alpha

  Revision 1.84  1999/08/02 23:56:51  michael
  + Added alpha cpu and linux for alpha os

  Revision 1.83  1999/07/10 10:26:20  peter
    * merged

  Revision 1.82.2.2  1999/07/10 10:03:16  peter
    * fixed initialization/finalization in fpc mode
    * allow $TARGET also in search paths

  Revision 1.82.2.1  1999/07/02 12:52:58  pierre
   * pecoff still buggy, as_I386_asw again default

  Revision 1.82  1999/06/08 11:50:28  peter
    * 2mb again for go32v2/v1

  Revision 1.81  1999/06/02 20:46:39  peter
    * fixed os2 bindcmd which was double

  Revision 1.80  1999/06/02 14:20:31  hajny
    * fixed my mistake from previously commited version

  Revision 1.79  1999/06/02 13:25:34  hajny
    * fixed stripping symbols for OS/2

  Revision 1.78  1999/05/31 20:34:00  peter
    * changed heapsize to 256k

  Revision 1.77  1999/05/27 19:45:10  peter
    * removed oldasm
    * plabel -> pasmlabel
    * -a switches to source writing automaticly
    * assembler readers OOPed
    * asmsymbol automaticly external
    * jumptables and other label fixes for asm readers

  Revision 1.76  1999/05/18 09:30:10  michael
  + changes by thomas hajt

  Revision 1.74  1999/05/17 13:02:12  pierre
   * -Csmmm works for win32 but default is set to 32Mb

  Revision 1.73  1999/05/11 00:44:06  peter
    * released pecoff for win32 as default

  Revision 1.72  1999/05/05 22:22:05  peter
    * updated messages

  Revision 1.71  1999/05/05 17:34:33  peter
    * output is more like as 2.9.1
    * stabs really working for go32v2

  Revision 1.70  1999/05/05 09:19:18  florian
    * more fixes to get it with delphi running

  Revision 1.69  1999/05/03 18:03:29  peter
    * no ar.exe running field in target_asm

  Revision 1.68  1999/05/02 22:41:59  peter
    * moved section names to systems
    * fixed nasm,intel writer

  Revision 1.67  1999/05/01 14:18:12  peter
    * win32 pecoff disabled because it's still not ok

  Revision 1.66  1999/05/01 13:24:44  peter
    * merged nasm compiler
    * old asm moved to oldasm/

  Revision 1.65  1999/03/26 00:05:47  peter
    * released valintern
    + deffile is now removed when compiling is finished
    * ^( compiles now correct
    + static directive
    * shrd fixed

  Revision 1.64  1999/03/24 23:17:33  peter
    * fixed bugs 212,222,225,227,229,231,233

  Revision 1.63  1999/03/09 11:54:09  pierre
   * pecoff default assem for win32 with ag386bin

  Revision 1.62  1999/03/04 13:55:48  pierre
    * some m68k fixes (still not compilable !)
    * new(tobj) does not give warning if tobj has no VMT !

  Revision 1.61  1999/03/03 11:41:51  pierre
    + stabs info corrected to give results near to GAS output
    * local labels (with .L are not stored in object anymore)
      so we get the same number of symbols as from GAS !

  Revision 1.60  1999/02/26 00:48:25  peter
    * assembler writers fixed for ag386bin

  Revision 1.59  1999/02/25 21:02:53  peter
    * ag386bin updates
    + coff writer

  Revision 1.58  1999/02/24 00:59:16  peter
    * small updates for ag386bin

  Revision 1.57  1999/02/22 02:15:42  peter
    * updates for ag386bin

  Revision 1.56  1999/01/10 15:38:01  peter
    * moved some tables from ra386*.pas -> i386.pas
    + start of coff writer
    * renamed asmutils unit to rautils

  Revision 1.55  1999/01/06 22:58:47  florian
    + some stuff for the new code generator

  Revision 1.54  1998/12/28 23:26:26  peter
    + resource file handling ($R directive) for Win32

  Revision 1.53  1998/12/15 10:23:30  peter
    + -iSO, -iSP, -iTO, -iTP

  Revision 1.52  1998/12/03 10:17:32  peter
    * target_os.use_bound_instruction boolean

  Revision 1.51  1998/11/30 09:43:23  pierre
    * some range check bugs fixed (still not working !)
    + added DLL writing support for win32 (also accepts variables)
    + TempAnsi for code that could be used for Temporary ansi strings
      handling

  Revision 1.50  1998/11/16 15:41:45  peter
    * tp7 didn't like my ifopt H+ :(

  Revision 1.49  1998/11/16 10:17:09  peter
    * fixed for H+ compilation

  Revision 1.48  1998/10/26 14:19:30  pierre
    + added options -lS and -lT for source and target os output
      (to have a easier way to test OS_SOURCE abd OS_TARGET in makefiles)
    * several problems with rtti data
      (type of sym was not checked)
      assumed to be varsym when they could be procsym or property syms !!

  Revision 1.47  1998/10/20 08:07:04  pierre
    * several memory corruptions due to double freemem solved
      => never use p^.loc.location:=p^.left^.loc.location;
    + finally I added now by default
      that ra386dir translates global and unit symbols
    + added a first field in tsymtable and
      a nextsym field in tsym
      (this allows to obtain ordered type info for
      records and objects in gdb !)

  Revision 1.46  1998/10/16 08:51:54  peter
    + target_os.stackalignment
    + stack can be aligned at 2 or 4 byte boundaries

  Revision 1.45  1998/10/15 16:20:41  peter
    * removed uses verbose which is not possible! this unit may not use
      any other unit !

  Revision 1.44  1998/10/14 11:28:25  florian
    * emitpushreferenceaddress gets now the asmlist as parameter
    * m68k version compiles with -duseansistrings

  Revision 1.43  1998/10/14 08:08:56  pierre
    * following Peters remark, removed all ifdef in
      the systems unit enums
    * last bugs of cg68k removed for sysamiga
      (sysamiga assembles with as68k !!)

  Revision 1.42  1998/10/13 16:50:23  pierre
    * undid some changes of Peter that made the compiler wrong
      for m68k (I had to reinsert some ifdefs)
    * removed several memory leaks under m68k
    * removed the meory leaks for assembler readers
    * cross compiling shoud work again better
      ( crosscompiling sysamiga works
       but as68k still complain about some code !)

  Revision 1.41  1998/10/13 13:10:31  peter
    * new style for m68k/i386 infos and enums

  Revision 1.40  1998/10/13 09:13:09  pierre
   * assembler type output command line was case sensitive

  Revision 1.39  1998/10/13 08:19:42  pierre
    + source_os is now set correctly for cross-processor compilers
      (tos contains all target_infos and
       we use CPU86 and CPU68 conditionnals to
       get the source operating system
       this only works if you do not undefine
       the source target  !!)
    * several cg68k memory leaks fixed
    + started to change the code so that it should be possible to have
      a complete compiler (both for m68k and i386 !!)

  Revision 1.38  1998/10/07 04:26:58  carl
    * bugfixes
    + added mpw support

  Revision 1.37  1998/10/06 20:40:58  peter
    * remove -D from assemblers

  Revision 1.36  1998/09/16 16:41:50  peter
    * merged fixes

  Revision 1.33.2.3  1998/09/16 16:13:13  peter
    * win32 .o -> .ow and .a -> .aw

  Revision 1.35  1998/09/11 17:35:33  peter
    * fixed tabs

  Revision 1.34  1998/09/11 12:27:55  pierre
    * restored m68k part

  Revision 1.33.2.2  1998/09/11 17:29:20  peter
    * fixed tabs

  Revision 1.33.2.1  1998/09/11 12:06:00  pierre
    * m68k part restored

  Revision 1.33  1998/09/10 15:25:39  daniel
  + Added maxheapsize.
  * Corrected semi-bug in calling the assembler and the linker

  Revision 1.31  1998/09/01 09:07:13  peter
    * m68k fixes, splitted cg68k like cgi386

  Revision 1.30  1998/08/31 12:26:34  peter
    * m68k and palmos updates from surebugfixes

  Revision 1.29  1998/08/26 10:09:21  peter
    * more lowercase extensions

  Revision 1.28  1998/08/25 12:42:47  pierre
    * CDECL changed to CVAR for variables
      specifications are read in structures also
    + started adding GPC compatibility mode ( option  -Sp)
    * names changed to lowercase

  Revision 1.27  1998/08/21 15:16:57  peter
    * win32 compiles a bit better, no growheap crash

  Revision 1.26  1998/08/19 16:07:55  jonas
    * changed optimizer switches + cleanup of DestroyRefs in daopt386.pas

  Revision 1.25  1998/08/18 09:24:45  pierre
    * small warning position bug fixed
    * support_mmx switches splitting was missing
    * rhide error and warning output corrected

  Revision 1.24  1998/08/17 09:17:54  peter
    * static/shared linking updates

  Revision 1.23  1998/06/25 08:48:20  florian
    * first version of rtti support

  Revision 1.22  1998/06/17 14:10:21  peter
    * small os2 fixes
    * fixed interdependent units with newppu (remake3 under linux works now)

  Revision 1.20  1998/06/15 15:38:14  pierre
    * small bug in systems.pas corrected
    + operators in different units better hanlded

  Revision 1.19  1998/06/15 13:34:24  daniel


  * Fixed spelling mistakes in comments.
  * Fixed some OS/2 parameters.

  Revision 1.18  1998/06/08 22:59:54  peter
    * smartlinking works for win32
    * some defines to exclude some compiler parts

  Revision 1.17  1998/06/04 23:52:04  peter
    * m68k compiles
    + .def file creation moved to gendef.pas so it could also be used
      for win32

  Revision 1.16  1998/06/01 16:50:22  peter
    + boolean -> ord conversion
    * fixed ord -> boolean conversion

  Revision 1.15  1998/05/30 14:31:11  peter
    + $ASMMODE

  Revision 1.14  1998/05/29 13:24:45  peter
    + asw assembler

  Revision 1.13  1998/05/27 00:20:33  peter
    * some scanner optimizes
    * automaticly aout2exe for go32v1
    * fixed dynamiclinker option which was added at the wrong place

  Revision 1.12  1998/05/23 01:21:32  peter
        + aktasmmode, aktoptprocessor, aktoutputformat
    + smartlink per module $SMARTLINK-/+ (like MMX) and moved to aktswitches
    + $LIBNAME to set the library name where the unit will be put in
    * splitted cgi386 a bit (codeseg to large for bp7)
    * nasm, tasm works again. nasm moved to ag386nsm.pas

  Revision 1.11  1998/05/22 12:32:49  peter
    * fixed -L on the commandline, Dos commandline is only 128 bytes

  Revision 1.10  1998/05/11 13:07:58  peter
    + $ifdef NEWPPU for the new ppuformat
    + $define GDB not longer required
    * removed all warnings and stripped some log comments
    * no findfirst/findnext anymore to remove smartlink *.o files

  Revision 1.9  1998/05/06 08:38:49  pierre
    * better position info with UseTokenInfo
      UseTokenInfo greatly simplified
    + added check for changed tree after first time firstpass
      (if we could remove all the cases were it happen
      we could skip all firstpass if firstpasscount > 1)
      Only with ExtDebug

  Revision 1.8  1998/05/04 20:19:54  peter
    * small fix for go32v2

  Revision 1.7  1998/05/04 17:54:29  peter
    + smartlinking works (only case jumptable left todo)
    * redesign of systems.pas to support assemblers and linkers
    + Unitname is now also in the PPU-file, increased version to 14

  Revision 1.6  1998/05/01 07:43:57  florian
    + basics for rtti implemented
    + switch $m (generate rtti for published sections)

  Revision 1.5  1998/04/29 10:34:06  pierre
    + added some code for ansistring (not complete nor working yet)
    * corrected operator overloading
    * corrected nasm output
    + started inline procedures
    + added starstarn : use ** for exponentiation (^ gave problems)
    + started UseTokenInfo cond to get accurate positions

  Revision 1.4  1998/04/27 15:45:20  peter
    + -Xl for smartlink
        + target_info.arext = .a

  Revision 1.3  1998/04/16 10:50:45  daniel
  * Fixed some things that were broken for OS/2.
}