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471 lines
14 KiB
ObjectPascal
471 lines
14 KiB
ObjectPascal
{
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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) solaris 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_sunos;
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{$i fpcdefs.inc}
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interface
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{ copy from t_linux
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// Up to now we use gld since the solaris ld seems not support .res-files}
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{-$DEFINE LinkTest} { DON't del link.res and write Info }
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{$DEFINE GnuLd} {The other is not implemented }
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implementation
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uses
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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,aasmdata,aasmcpu,cpubase,symsym,symdef,
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cgobj,
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import,export,link,i_sunos,ogbase;
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type
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timportlibsolaris=class(timportlib)
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procedure generatelib;override;
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end;
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texportlibsolaris=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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tlinkersolaris=class(texternallinker)
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private
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Glibc2,
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Glibc21 : boolean;
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Function WriteResponseFile(isdll: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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{*****************************************************************************
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TIMPORTLIBsolaris
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*****************************************************************************}
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procedure timportlibsolaris.generatelib;
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var
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i : longint;
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ImportLibrary : TImportLibrary;
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begin
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for i:=0 to current_module.ImportLibraryList.Count-1 do
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begin
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ImportLibrary:=TImportLibrary(current_module.ImportLibraryList[i]);
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current_module.linkothersharedlibs.add(ImportLibrary.Name,link_always);
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end;
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end;
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{*****************************************************************************
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TEXPORTLIBsolaris
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*****************************************************************************}
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procedure texportlibsolaris.preparelib(const s:string);
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begin
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end;
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procedure texportlibsolaris.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,'solaris');
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exit;
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end;
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{ use pascal name is none specified }
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if (hp.options and eo_name)=0 then
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begin
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hp.name:=stringdup(hp.sym.name);
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hp.options:=hp.options or eo_name;
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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.insert(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 texportlibsolaris.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 texportlibsolaris.generatelib;
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var
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hp2 : texported_item;
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begin
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new_section(current_asmdata.asmlists[al_procedures],sec_code,'',0);
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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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{ place jump in al_procedures }
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current_asmdata.asmlists[al_procedures].concat(tai_align.create(target_info.alignment.procalign));
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current_asmdata.asmlists[al_procedures].concat(Tai_symbol.Createname_global(hp2.name^,AT_FUNCTION,0));
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cg.a_jmp_name(current_asmdata.asmlists[al_procedures],tprocsym(hp2.sym).first_procdef.mangledname);
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current_asmdata.asmlists[al_procedures].concat(Tai_symbol_end.Createname(hp2.name^));
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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,'linux');
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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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TLINKERsolaris
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*****************************************************************************}
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Constructor TLinkersolaris.Create;
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begin
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Inherited Create;
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if NOT Dontlinkstdlibpath Then
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LibrarySearchPath.AddPath('/lib;/usr/lib;/usr/X11R6/lib;/opt/sfw/lib',true);
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{$ifdef LinkTest}
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if (cs_link_staticflag in aktglobalswitches) then WriteLN('ForceLinkStaticFlag');
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if (cs_link_static in aktglobalswitches) then WriteLN('LinkStatic-Flag');
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if (cs_link_shared in aktglobalswitches) then WriteLN('LinkSynamicFlag');
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{$EndIf}
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end;
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procedure TLinkersolaris.SetDefaultInfo;
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{
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This will also detect which libc version will be used
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}
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begin
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Glibc2:=false;
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Glibc21:=false;
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with Info do
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begin
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{$IFDEF GnuLd}
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ExeCmd[1]:='gld $OPT $DYNLINK $STATIC $STRIP -L. -o $EXE $RES';
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DllCmd[1]:='gld $OPT -shared -L. -o $EXE $RES';
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DllCmd[2]:='strip --strip-unneeded $EXE';
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DynamicLinker:=''; { Gnu uses the default }
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Glibc21:=false;
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{$ELSE}
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Not Implememted
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{$ENDIF}
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(* Linux Stuff not needed?
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{ first try glibc2 } // muss noch gendert werden
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if FileExists(DynamicLinker) then
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begin
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Glibc2:=true;
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{ Check for 2.0 files, else use the glibc 2.1 stub }
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if FileExists('/lib/ld-2.0.*') then
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Glibc21:=false
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else
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Glibc21:=true;
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end
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else
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DynamicLinker:='/lib/ld-linux.so.1';
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*)
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end;
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end;
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Function TLinkersolaris.WriteResponseFile(isdll:boolean) : Boolean;
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Var
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linkres : TLinkRes;
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i : longint;
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cprtobj,
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gprtobj,
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prtobj : string[80];
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HPath : TStringListItem;
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s,s2 : string;
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linkdynamic,
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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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linkdynamic:=not(SharedLibFiles.empty);
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{ linkdynamic:=false; // da nicht getestet }
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linklibc:=(SharedLibFiles.Find('c')<>nil);
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prtobj:='prt0';
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cprtobj:='cprt0';
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gprtobj:='gprt0';
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if cs_profile in aktmoduleswitches then
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begin
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prtobj:=gprtobj;
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if not glibc2 then
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AddSharedLibrary('gmon');
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AddSharedLibrary('c');
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linklibc:=true;
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end
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else
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begin
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if linklibc then
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prtobj:=cprtobj
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else
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AddSharedLibrary('c'); { quick hack: this solaris implementation needs alwys libc }
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end;
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{ Open link.res file }
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LinkRes:=TLinkRes.Create(outputexedir+Info.ResName);
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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('SEARCH_DIR('+maybequoted(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('SEARCH_DIR('+maybequoted(HPath.Str)+')');
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HPath:=TStringListItem(HPath.Next);
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end;
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LinkRes.Add('INPUT(');
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{ add objectfiles, start with prt0 always }
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{ solaris port contains _start inside the system unit, it
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needs only one entry because it is linked always against libc
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if prtobj<>'' then
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LinkRes.AddFileName(FindObjectFile(prtobj,'',false));
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}
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{ try to add crti and crtbegin if linking to C }
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if linklibc then { Needed in solaris? }
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begin
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{ if librarysearchpath.FindFile('crtbegin.o',s) then
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LinkRes.AddFileName(s);}
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if librarysearchpath.FindFile('crti.o',s) then
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LinkRes.AddFileName(s);
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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(maybequoted(s));
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end;
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LinkRes.Add(')');
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{ Write staticlibraries }
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if not StaticLibFiles.Empty then
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begin
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LinkRes.Add('GROUP(');
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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(maybequoted(s))
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end;
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LinkRes.Add(')');
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end;
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{ Write sharedlibraries like -l<lib>, also add the needed dynamic linker
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here to be sure that it gets linked this is needed for glibc2 systems (PFV) }
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if not SharedLibFiles.Empty then
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begin
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LinkRes.Add('INPUT(');
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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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linkdynamic:=false; { libc will include the ld-solaris (war ld-linux) for us }
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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('-lc');
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{ when we have -static for the linker the we also need libgcc }
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if (cs_link_staticflag in aktglobalswitches) then begin
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LinkRes.Add('-lgcc');
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end;
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if linkdynamic and (Info.DynamicLinker<>'') then { gld has a default, DynamicLinker is not set in solaris }
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LinkRes.AddFileName(Info.DynamicLinker);
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LinkRes.Add(')');
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end;
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{ objects which must be at the end }
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if linklibc then {needed in solaris ? }
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begin
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if {librarysearchpath.FindFile('crtend.o',s1) or}
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librarysearchpath.FindFile('crtn.o',s2) then
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begin
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LinkRes.Add('INPUT(');
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{ LinkRes.AddFileName(s1);}
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LinkRes.AddFileName(s2);
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LinkRes.Add(')');
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end;
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end;
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{ Write and Close response }
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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 TLinkersolaris.MakeExecutable:boolean;
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var
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binstr : String;
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cmdstr : TCmdStr;
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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_nolink 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:='-Bstatic';
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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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{ solaris sets DynamicLinker, but gld will (hopefully) defaults to -Bdynamic and add the default-linker }
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{ Write used files and libraries }
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WriteResponseFile(false);
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{ Call linker }
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SplitBinCmd(Info.ExeCmd[1],binstr,cmdstr);
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Replace(cmdstr,'$EXE',maybequoted(current_module.exefilename^));
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Replace(cmdstr,'$OPT',Info.ExtraOptions);
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Replace(cmdstr,'$RES',maybequoted(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,'$DYNLINK',DynLinkStr);
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success:=DoExec(FindUtil(utilsprefix+BinStr),CmdStr,true,false);
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{ Remove ReponseFile }
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{$IFNDEF LinkTest}
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if (success) and not(cs_link_nolink in aktglobalswitches) then
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RemoveFile(outputexedir+Info.ResName);
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{$ENDIF}
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MakeExecutable:=success; { otherwise a recursive call to link method }
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end;
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Function TLinkersolaris.MakeSharedLibrary:boolean;
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var
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binstr : String;
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cmdstr : TCmdStr;
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success : boolean;
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begin
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MakeSharedLibrary:=false;
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if not(cs_link_nolink in aktglobalswitches) then
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Message1(exec_i_linking,current_module.sharedlibfilename^);
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{ Write used files and libraries }
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WriteResponseFile(true);
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{ Call linker }
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SplitBinCmd(Info.DllCmd[1],binstr,cmdstr);
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Replace(cmdstr,'$EXE',maybequoted(current_module.sharedlibfilename^));
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Replace(cmdstr,'$OPT',Info.ExtraOptions);
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Replace(cmdstr,'$RES',maybequoted(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,'$EXE',maybequoted(current_module.sharedlibfilename^));
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success:=DoExec(utilsprefix+FindUtil(binstr),cmdstr,true,false);
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end;
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{ Remove ReponseFile }
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{$IFNDEF LinkTest}
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if (success) and not(cs_link_nolink in aktglobalswitches) then
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RemoveFile(outputexedir+Info.ResName);
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{$ENDIF}
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MakeSharedLibrary:=success; { otherwise a recursive call to link method }
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end;
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{*****************************************************************************
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Initialize
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*****************************************************************************}
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initialization
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{$ifdef i386}
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RegisterExternalLinker(system_i386_solaris_info,TLinkersolaris);
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RegisterImport(system_i386_solaris,TImportLibsolaris);
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RegisterExport(system_i386_solaris,TExportLibsolaris);
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RegisterTarget(system_i386_solaris_info);
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{$endif i386}
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{$ifdef sparc}
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RegisterExternalLinker(system_sparc_solaris_info,TLinkersolaris);
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RegisterImport(system_sparc_solaris,TImportLibsolaris);
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RegisterExport(system_sparc_solaris,TExportLibsolaris);
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RegisterTarget(system_sparc_solaris_info);
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{$endif sparc}
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end.
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