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564 lines
16 KiB
ObjectPascal
564 lines
16 KiB
ObjectPascal
{
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$Id$
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Copyright (c) 1998-2002 by Peter Vreman
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This unit implements support import,export,link routines
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for the (i386) BeOS target.
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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 t_beos;
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{$i fpcdefs.inc}
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interface
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uses
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symsym,symdef,
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import,export,link;
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type
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timportlibbeos=class(timportlib)
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procedure preparelib(const s:string);override;
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procedure importprocedure(aprocdef:tprocdef;const module:string;index:longint;const name:string);override;
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procedure importvariable(vs:tvarsym;const name,module:string);override;
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procedure generatelib;override;
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end;
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texportlibbeos=class(texportlib)
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procedure preparelib(const s : string);override;
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procedure exportprocedure(hp : texported_item);override;
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procedure exportvar(hp : texported_item);override;
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procedure generatelib;override;
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end;
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tlinkerbeos=class(texternallinker)
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private
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Function WriteResponseFile(isdll:boolean;makelib:boolean) : Boolean;
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public
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constructor Create;override;
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procedure SetDefaultInfo;override;
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function MakeExecutable:boolean;override;
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function MakeSharedLibrary:boolean;override;
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end;
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implementation
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uses
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{$ifdef delphi}
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dmisc,
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{$else}
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dos,
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{$endif}
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cutils,cclasses,
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verbose,systems,globtype,globals,
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symconst,script,
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fmodule,aasmbase,aasmtai,aasmcpu,cpubase,i_beos;
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{*****************************************************************************
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TIMPORTLIBBEOS
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*****************************************************************************}
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procedure timportlibbeos.preparelib(const s : string);
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begin
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end;
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procedure timportlibbeos.importprocedure(aprocdef:tprocdef;const module:string;index:longint;const name:string);
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begin
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{ insert sharedlibrary }
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current_module.linkothersharedlibs.add(SplitName(module),link_allways);
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{ do nothing with the procedure, only set the mangledname }
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if name<>'' then
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aprocdef.setmangledname(name)
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else
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message(parser_e_empty_import_name);
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end;
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procedure timportlibbeos.importvariable(vs:tvarsym;const name,module:string);
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begin
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{ insert sharedlibrary }
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current_module.linkothersharedlibs.add(SplitName(module),link_allways);
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{ reset the mangledname and turn off the dll_var option }
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vs.set_mangledname(name);
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exclude(vs.varoptions,vo_is_dll_var);
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end;
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procedure timportlibbeos.generatelib;
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begin
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end;
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{*****************************************************************************
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TEXPORTLIBBEOS
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*****************************************************************************}
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procedure texportlibbeos.preparelib(const s:string);
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begin
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end;
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procedure texportlibbeos.exportprocedure(hp : texported_item);
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var
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hp2 : texported_item;
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begin
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{ first test the index value }
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if (hp.options and eo_index)<>0 then
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begin
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Message1(parser_e_no_export_with_index_for_target,'beos');
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exit;
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end;
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{ now place in correct order }
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hp2:=texported_item(current_module._exports.first);
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while assigned(hp2) and
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(hp.name^>hp2.name^) do
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hp2:=texported_item(hp2.next);
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{ insert hp there !! }
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if assigned(hp2) and (hp2.name^=hp.name^) then
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begin
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{ this is not allowed !! }
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Message1(parser_e_export_name_double,hp.name^);
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exit;
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end;
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if hp2=texported_item(current_module._exports.first) then
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current_module._exports.concat(hp)
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else if assigned(hp2) then
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begin
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hp.next:=hp2;
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hp.previous:=hp2.previous;
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if assigned(hp2.previous) then
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hp2.previous.next:=hp;
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hp2.previous:=hp;
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end
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else
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current_module._exports.concat(hp);
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end;
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procedure texportlibbeos.exportvar(hp : texported_item);
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begin
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hp.is_var:=true;
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exportprocedure(hp);
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end;
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procedure texportlibbeos.generatelib;
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var
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hp2 : texported_item;
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begin
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hp2:=texported_item(current_module._exports.first);
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while assigned(hp2) do
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begin
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if (not hp2.is_var) and
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(hp2.sym.typ=procsym) then
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begin
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{ the manglednames can already be the same when the procedure
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is declared with cdecl }
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if tprocsym(hp2.sym).first_procdef.mangledname<>hp2.name^ then
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begin
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{$ifdef i386}
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{ place jump in codesegment }
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codesegment.concat(Tai_align.Create_op(4,$90));
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codeSegment.concat(Tai_symbol.Createname_global(hp2.name^,0));
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codeSegment.concat(Taicpu.Op_sym(A_JMP,S_NO,objectlibrary.newasmsymbol(tprocsym(hp2.sym).first_procdef.mangledname)));
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codeSegment.concat(Tai_symbol_end.Createname(hp2.name^));
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{$endif i386}
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end;
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end
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else
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Message1(parser_e_no_export_of_variables_for_target,'beos');
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hp2:=texported_item(hp2.next);
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end;
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end;
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{*****************************************************************************
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TLINKERBEOS
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*****************************************************************************}
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Constructor TLinkerBeos.Create;
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var
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s : string;
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i : integer;
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begin
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Inherited Create;
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s:=GetEnv('BELIBRARIES');
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{ convert to correct format in case under unix system }
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for i:=1 to length(s) do
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if s[i] = ':' then
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s[i] := ';';
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{ just in case we have a single path : add the ending ; }
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{ since that is what the compiler expects. }
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if pos(';',s) = 0 then
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s:=s+';';
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LibrarySearchPath.AddPath(s,true); {format:'path1;path2;...'}
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end;
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procedure TLinkerBeOS.SetDefaultInfo;
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begin
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with Info do
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begin
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ExeCmd[1]:='sh $RES $EXE $OPT $STATIC $STRIP -L.';
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{ ExeCmd[1]:='sh $RES $EXE $OPT $DYNLINK $STATIC $STRIP -L.';}
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DllCmd[1]:='sh $RES $EXE $OPT -L.';
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{ DllCmd[1]:='sh $RES $EXE $OPT -L. -g -nostart -soname=$EXE';
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} DllCmd[2]:='strip --strip-unneeded $EXE';
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{ DynamicLinker:='/lib/ld-beos.so.2';}
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end;
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end;
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function TLinkerBeOS.WriteResponseFile(isdll:boolean;makelib:boolean) : Boolean;
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Var
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linkres : TLinkRes;
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i : integer;
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cprtobj,
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prtobj : string[80];
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HPath : TStringListItem;
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s : string;
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linklibc : boolean;
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begin
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WriteResponseFile:=False;
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{ set special options for some targets }
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linklibc:=(SharedLibFiles.Find('root')<>nil);
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prtobj:='prt0';
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cprtobj:='cprt0';
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if (cs_profile in aktmoduleswitches) or
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(not SharedLibFiles.Empty) then
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begin
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AddSharedLibrary('root');
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linklibc:=true;
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end;
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if (not linklibc) and makelib then
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begin
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linklibc:=true;
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cprtobj:='dllprt.o';
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end;
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if linklibc then
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prtobj:=cprtobj;
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{ Open link.res file }
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LinkRes:=TLinkRes.Create(outputexedir+Info.ResName);
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if not isdll then
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LinkRes.Add('ld -o $1 $2 $3 $4 $5 $6 $7 $8 $9 \')
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else
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LinkRes.Add('ld -o $1 -e 0 $2 $3 $4 $5 $6 $7 $8 $9\');
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LinkRes.Add('-m elf_i386_be -shared -Bsymbolic \');
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{ Write path to search libraries }
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HPath:=TStringListItem(current_module.locallibrarysearchpath.First);
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while assigned(HPath) do
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begin
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LinkRes.Add('-L'+HPath.Str+' \');
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HPath:=TStringListItem(HPath.Next);
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end;
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HPath:=TStringListItem(LibrarySearchPath.First);
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while assigned(HPath) do
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begin
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LinkRes.Add('-L'+HPath.Str+' \');
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HPath:=TStringListItem(HPath.Next);
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end;
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{ try to add crti and crtbegin if linking to C }
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if linklibc then
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begin
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if librarysearchpath.FindFile('crti.o',s) then
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LinkRes.AddFileName(s+' \');
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if librarysearchpath.FindFile('crtbegin.o',s) then
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LinkRes.AddFileName(s+' \');
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{ s:=librarysearchpath.FindFile('start_dyn.o',found)+'start_dyn.o';
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if found then LinkRes.AddFileName(s+' \');}
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if prtobj<>'' then
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LinkRes.AddFileName(FindObjectFile(prtobj,'',false)+' \');
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if isdll then
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LinkRes.AddFileName(FindObjectFile('func.o','',false)+' \');
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if librarysearchpath.FindFile('init_term_dyn.o',s) then
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LinkRes.AddFileName(s+' \');
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end
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else
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begin
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if prtobj<>'' then
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LinkRes.AddFileName(FindObjectFile(prtobj,'',false)+' \');
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end;
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{ main objectfiles }
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while not ObjectFiles.Empty do
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begin
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s:=ObjectFiles.GetFirst;
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if s<>'' then
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LinkRes.AddFileName(s+' \');
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end;
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{ LinkRes.Add('-lroot \');
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LinkRes.Add('/boot/develop/tools/gnupro/lib/gcc-lib/i586-beos/2.9-beos-991026/crtend.o \');
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LinkRes.Add('/boot/develop/lib/x86/crtn.o \');}
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{ Write staticlibraries }
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if not StaticLibFiles.Empty then
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begin
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While not StaticLibFiles.Empty do
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begin
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S:=StaticLibFiles.GetFirst;
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LinkRes.AddFileName(s+' \')
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end;
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end;
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{ Write sharedlibraries like -l<lib> }
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if not SharedLibFiles.Empty then
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begin
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While not SharedLibFiles.Empty do
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begin
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S:=SharedLibFiles.GetFirst;
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if s<>'c' then
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begin
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i:=Pos(target_info.sharedlibext,S);
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if i>0 then
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Delete(S,i,255);
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LinkRes.Add('-l'+s+' \');
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end
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else
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begin
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linklibc:=true;
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end;
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end;
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{ be sure that libc is the last lib }
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{ if linklibc then
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LinkRes.Add('-lroot');}
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{ if linkdynamic and (Info.DynamicLinker<>'') then
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LinkRes.AddFileName(Info.DynamicLinker);}
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end;
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if isdll then
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LinkRes.Add('-lroot \');
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{ objects which must be at the end }
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if linklibc then
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begin
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if librarysearchpath.FindFile('crtend.o',s) then
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LinkRes.AddFileName(s+' \');
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if librarysearchpath.FindFile('crtn.o',s) then
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LinkRes.AddFileName(s+' \');
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end;
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{ Write and Close response }
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linkres.Add(' ');
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linkres.writetodisk;
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linkres.free;
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WriteResponseFile:=True;
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end;
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function TLinkerBeOS.MakeExecutable:boolean;
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var
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binstr,
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cmdstr : string;
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success : boolean;
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{ DynLinkStr : string[60];}
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StaticStr,
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StripStr : string[40];
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begin
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if not(cs_link_extern in aktglobalswitches) then
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Message1(exec_i_linking,current_module.exefilename^);
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{ Create some replacements }
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StaticStr:='';
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StripStr:='';
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{ DynLinkStr:='';}
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if (cs_link_staticflag in aktglobalswitches) then
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StaticStr:='-static';
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if (cs_link_strip in aktglobalswitches) then
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StripStr:='-s';
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{ If (cs_profile in aktmoduleswitches) or
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((Info.DynamicLinker<>'') and (not SharedLibFiles.Empty)) then
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DynLinkStr:='-dynamic-linker='+Info.DynamicLinker;}
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{ Write used files and libraries }
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WriteResponseFile(false,false);
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{ Call linker }
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SplitBinCmd(Info.ExeCmd[1],binstr,cmdstr);
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Replace(cmdstr,'$EXE',current_module.exefilename^);
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Replace(cmdstr,'$OPT',Info.ExtraOptions);
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Replace(cmdstr,'$RES',outputexedir+Info.ResName);
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Replace(cmdstr,'$STATIC',StaticStr);
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Replace(cmdstr,'$STRIP',StripStr);
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{ Replace(cmdstr,'$DYNLINK',DynLinkStr);}
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success:=DoExec(FindUtil(utilsprefix+BinStr),CmdStr,true,false);
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{ Remove ReponseFile }
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if (success) and not(cs_link_extern in aktglobalswitches) then
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RemoveFile(outputexedir+Info.ResName);
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MakeExecutable:=success; { otherwise a recursive call to link method }
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end;
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Function TLinkerBeOS.MakeSharedLibrary:boolean;
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var
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binstr,
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cmdstr : string;
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success : boolean;
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begin
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MakeSharedLibrary:=false;
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if not(cs_link_extern in aktglobalswitches) then
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Message1(exec_i_linking,current_module.sharedlibfilename^);
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{ Write used files and libraries }
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WriteResponseFile(true,true);
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{ Call linker }
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SplitBinCmd(Info.DllCmd[1],binstr,cmdstr);
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Replace(cmdstr,'$EXE',current_module.sharedlibfilename^);
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Replace(cmdstr,'$OPT',Info.ExtraOptions);
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Replace(cmdstr,'$RES',outputexedir+Info.ResName);
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success:=DoExec(FindUtil(utilsprefix+binstr),cmdstr,true,false);
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{ Strip the library ? }
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if success and (cs_link_strip in aktglobalswitches) then
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begin
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SplitBinCmd(Info.DllCmd[2],binstr,cmdstr);
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Replace(cmdstr,'$EXE',current_module.sharedlibfilename^);
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success:=DoExec(FindUtil(utilsprefix+binstr),cmdstr,true,false);
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end;
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{ Remove ReponseFile }
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if (success) and not(cs_link_extern in aktglobalswitches) then
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RemoveFile(outputexedir+Info.ResName);
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MakeSharedLibrary:=success; { otherwise a recursive call to link method }
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end;
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{*****************************************************************************
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Initialize
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*****************************************************************************}
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initialization
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{$ifdef i386}
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RegisterExternalLinker(system_i386_beos_info,TLinkerbeos);
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RegisterImport(system_i386_beos,timportlibbeos);
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RegisterExport(system_i386_beos,texportlibbeos);
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RegisterTarget(system_i386_beos_info);
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{$endif i386}
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end.
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{
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$Log$
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Revision 1.6 2003-10-03 14:16:48 marco
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* -XP<prefix> support
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Revision 1.5 2003/04/27 07:29:52 peter
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* aktprocdef cleanup, aktprocdef is now always nil when parsing
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a new procdef declaration
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* aktprocsym removed
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* lexlevel removed, use symtable.symtablelevel instead
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* implicit init/final code uses the normal genentry/genexit
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* funcret state checking updated for new funcret handling
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Revision 1.4 2003/04/26 09:16:08 peter
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* .o files belonging to the unit are first searched in the same dir
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as the .ppu
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Revision 1.3 2002/10/05 12:43:29 carl
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* fixes for Delphi 6 compilation
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(warning : Some features do not work under Delphi)
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Revision 1.2 2002/09/09 17:34:17 peter
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* tdicationary.replace added to replace and item in a dictionary. This
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is only allowed for the same name
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* varsyms are inserted in symtable before the types are parsed. This
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fixes the long standing "var longint : longint" bug
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- consume_idlist and idstringlist removed. The loops are inserted
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at the callers place and uses the symtable for duplicate id checking
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Revision 1.1 2002/09/06 15:03:51 carl
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* moved files to systems directory
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Revision 1.24 2002/09/03 16:26:28 daniel
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* Make Tprocdef.defs protected
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Revision 1.23 2002/08/12 15:08:44 carl
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+ stab register indexes for powerpc (moved from gdb to cpubase)
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+ tprocessor enumeration moved to cpuinfo
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+ linker in target_info is now a class
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* many many updates for m68k (will soon start to compile)
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- removed some ifdef or correct them for correct cpu
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Revision 1.22 2002/08/11 14:32:32 peter
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* renamed current_library to objectlibrary
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Revision 1.21 2002/08/11 13:24:19 peter
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* saving of asmsymbols in ppu supported
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* asmsymbollist global is removed and moved into a new class
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tasmlibrarydata that will hold the info of a .a file which
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corresponds with a single module. Added librarydata to tmodule
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to keep the library info stored for the module. In the future the
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objectfiles will also be stored to the tasmlibrarydata class
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* all getlabel/newasmsymbol and friends are moved to the new class
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Revision 1.20 2002/07/26 21:15:45 florian
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* rewrote the system handling
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Revision 1.19 2002/07/01 18:46:34 peter
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* internal linker
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* reorganized aasm layer
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Revision 1.18 2002/05/18 13:34:26 peter
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* readded missing revisions
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Revision 1.17 2002/05/16 19:46:53 carl
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+ defines.inc -> fpcdefs.inc to avoid conflicts if compiling by hand
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+ try to fix temp allocation (still in ifdef)
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+ generic constructor calls
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+ start of tassembler / tmodulebase class cleanup
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Revision 1.15 2002/04/22 18:19:22 carl
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- remove use_bound_instruction field
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Revision 1.14 2002/04/20 21:43:18 carl
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* fix stack size for some targets
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+ add offset to parameters from frame pointer info.
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- remove some unused stuff
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Revision 1.13 2002/04/19 15:46:04 peter
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* mangledname rewrite, tprocdef.mangledname is now created dynamicly
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in most cases and not written to the ppu
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* add mangeledname_prefix() routine to generate the prefix of
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manglednames depending on the current procedure, object and module
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* removed static procprefix since the mangledname is now build only
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on demand from tprocdef.mangledname
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Revision 1.12 2002/04/15 19:16:57 carl
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- remove size_of_pointer field
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Revision 1.11 2002/01/29 21:27:34 peter
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* default alignment changed to 4 bytes for locals and static const,var
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}
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