{
Copyright (c) 1998-2002 by Peter Vreman
This unit implements support import,export,link routines
for the (i386) solaris target
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 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 t_sunos;
{$i fpcdefs.inc}
interface
{ copy from t_linux
// Up to now we use gld since the solaris ld seems not support .res-files}
{-$DEFINE LinkTest} { DON't del link.res and write Info }
{$DEFINE GnuLd} {The other is not implemented }
implementation
uses
sysutils,
cutils,cfileutils,cclasses,
verbose,systems,globtype,globals,
symconst,script,
fmodule,aasmbase,aasmtai,aasmdata,aasmcpu,cpubase,symsym,symdef,
cgobj,
import,export,link,i_sunos,ogbase;
type
timportlibsolaris=class(timportlib)
procedure generatelib;override;
end;
texportlibsolaris=class(texportlib)
procedure preparelib(const s : string);override;
procedure exportprocedure(hp : texported_item);override;
procedure exportvar(hp : texported_item);override;
procedure generatelib;override;
end;
tlinkersolaris=class(texternallinker)
private
Glibc2,
Glibc21 : boolean;
Function WriteResponseFile(isdll:boolean) : Boolean;
public
constructor Create;override;
procedure SetDefaultInfo;override;
function MakeExecutable:boolean;override;
function MakeSharedLibrary:boolean;override;
end;
{*****************************************************************************
TIMPORTLIBsolaris
*****************************************************************************}
procedure timportlibsolaris.generatelib;
var
i : longint;
ImportLibrary : TImportLibrary;
begin
for i:=0 to current_module.ImportLibraryList.Count-1 do
begin
ImportLibrary:=TImportLibrary(current_module.ImportLibraryList[i]);
current_module.linkothersharedlibs.add(ImportLibrary.Name,link_always);
end;
end;
{*****************************************************************************
TEXPORTLIBsolaris
*****************************************************************************}
procedure texportlibsolaris.preparelib(const s:string);
begin
end;
procedure texportlibsolaris.exportprocedure(hp : texported_item);
var
hp2 : texported_item;
begin
{ first test the index value }
if (hp.options and eo_index)<>0 then
begin
Message1(parser_e_no_export_with_index_for_target,'solaris');
exit;
end;
{ use pascal name is none specified }
if (hp.options and eo_name)=0 then
begin
hp.name:=stringdup(hp.sym.name);
hp.options:=hp.options or eo_name;
end;
{ now place in correct order }
hp2:=texported_item(current_module._exports.first);
while assigned(hp2) and
(hp.name^>hp2.name^) do
hp2:=texported_item(hp2.next);
{ insert hp there !! }
if assigned(hp2) and (hp2.name^=hp.name^) then
begin
{ this is not allowed !! }
Message1(parser_e_export_name_double,hp.name^);
exit;
end;
if hp2=texported_item(current_module._exports.first) then
current_module._exports.insert(hp)
else if assigned(hp2) then
begin
hp.next:=hp2;
hp.previous:=hp2.previous;
if assigned(hp2.previous) then
hp2.previous.next:=hp;
hp2.previous:=hp;
end
else
current_module._exports.concat(hp);
end;
procedure texportlibsolaris.exportvar(hp : texported_item);
begin
hp.is_var:=true;
exportprocedure(hp);
end;
procedure texportlibsolaris.generatelib;
var
hp2 : texported_item;
pd : tprocdef;
begin
new_section(current_asmdata.asmlists[al_procedures],sec_code,'',0);
hp2:=texported_item(current_module._exports.first);
while assigned(hp2) do
begin
if (not hp2.is_var) and
(hp2.sym.typ=procsym) then
begin
{ the manglednames can already be the same when the procedure
is declared with cdecl }
pd:=tprocdef(tprocsym(hp2.sym).ProcdefList[0]);
if pd.mangledname<>hp2.name^ then
begin
{ place jump in al_procedures }
current_asmdata.asmlists[al_procedures].concat(tai_align.create(target_info.alignment.procalign));
current_asmdata.asmlists[al_procedures].concat(Tai_symbol.Createname_global(hp2.name^,AT_FUNCTION,0));
cg.a_jmp_name(current_asmdata.asmlists[al_procedures],pd.mangledname);
current_asmdata.asmlists[al_procedures].concat(Tai_symbol_end.Createname(hp2.name^));
end;
end
else
Message1(parser_e_no_export_of_variables_for_target,'linux');
hp2:=texported_item(hp2.next);
end;
end;
{*****************************************************************************
TLINKERsolaris
*****************************************************************************}
Constructor TLinkersolaris.Create;
begin
Inherited Create;
if NOT Dontlinkstdlibpath Then
LibrarySearchPath.AddPath('/lib;/usr/lib;/usr/X11R6/lib;/opt/sfw/lib',true);
{$ifdef LinkTest}
if (cs_link_staticflag in current_settings.globalswitches) then WriteLN('ForceLinkStaticFlag');
if (cs_link_static in current_settings.globalswitches) then WriteLN('LinkStatic-Flag');
if (cs_link_shared in current_settings.globalswitches) then WriteLN('LinkSynamicFlag');
{$EndIf}
end;
procedure TLinkersolaris.SetDefaultInfo;
{
This will also detect which libc version will be used
}
begin
Glibc2:=false;
Glibc21:=false;
with Info do
begin
{$IFDEF GnuLd}
ExeCmd[1]:='gld $OPT $DYNLINK $STATIC $STRIP -L. -o $EXE $RES';
DllCmd[1]:='gld $OPT -shared -L. -o $EXE $RES';
DllCmd[2]:='strip --strip-unneeded $EXE';
DynamicLinker:=''; { Gnu uses the default }
Glibc21:=false;
{$ELSE}
Not Implememted
{$ENDIF}
(* Linux Stuff not needed?
{ first try glibc2 } // muss noch gendert werden
if FileExists(DynamicLinker) then
begin
Glibc2:=true;
{ Check for 2.0 files, else use the glibc 2.1 stub }
if FileExists('/lib/ld-2.0.*') then
Glibc21:=false
else
Glibc21:=true;
end
else
DynamicLinker:='/lib/ld-linux.so.1';
*)
end;
end;
Function TLinkersolaris.WriteResponseFile(isdll:boolean) : Boolean;
Var
linkres : TLinkRes;
i : longint;
cprtobj,
gprtobj,
prtobj : string[80];
HPath : TCmdStrListItem;
s,s2 : TCmdStr;
linkdynamic,
linklibc : boolean;
begin
WriteResponseFile:=False;
{ set special options for some targets }
linkdynamic:=not(SharedLibFiles.empty);
{ linkdynamic:=false; // da nicht getestet }
linklibc:=(SharedLibFiles.Find('c')<>nil);
prtobj:='prt0';
cprtobj:='cprt0';
gprtobj:='gprt0';
if cs_profile in current_settings.moduleswitches then
begin
prtobj:=gprtobj;
if not glibc2 then
AddSharedLibrary('gmon');
AddSharedLibrary('c');
linklibc:=true;
end
else
begin
if linklibc then
prtobj:=cprtobj
else
AddSharedLibrary('c'); { quick hack: this solaris implementation needs alwys libc }
end;
{ Open link.res file }
LinkRes:=TLinkRes.Create(outputexedir+Info.ResName);
{ Write path to search libraries }
HPath:=TCmdStrListItem(current_module.locallibrarysearchpath.First);
while assigned(HPath) do
begin
LinkRes.Add('SEARCH_DIR('+maybequoted(HPath.Str)+')');
HPath:=TCmdStrListItem(HPath.Next);
end;
HPath:=TCmdStrListItem(LibrarySearchPath.First);
while assigned(HPath) do
begin
LinkRes.Add('SEARCH_DIR('+maybequoted(HPath.Str)+')');
HPath:=TCmdStrListItem(HPath.Next);
end;
LinkRes.Add('INPUT(');
{ add objectfiles, start with prt0 always }
{ solaris port contains _start inside the system unit, it
needs only one entry because it is linked always against libc
if prtobj<>'' then
LinkRes.AddFileName(FindObjectFile(prtobj,'',false));
}
{ try to add crti and crtbegin if linking to C }
if linklibc then { Needed in solaris? }
begin
{ if librarysearchpath.FindFile('crtbegin.o',s) then
LinkRes.AddFileName(s);}
if librarysearchpath.FindFile('crti.o',false,s) then
LinkRes.AddFileName(s);
end;
{ main objectfiles }
while not ObjectFiles.Empty do
begin
s:=ObjectFiles.GetFirst;
if s<>'' then
LinkRes.AddFileName(maybequoted(s));
end;
LinkRes.Add(')');
{ Write staticlibraries }
if not StaticLibFiles.Empty then
begin
LinkRes.Add('GROUP(');
While not StaticLibFiles.Empty do
begin
S:=StaticLibFiles.GetFirst;
LinkRes.AddFileName(maybequoted(s))
end;
LinkRes.Add(')');
end;
{ Write sharedlibraries like -l<lib>, also add the needed dynamic linker
here to be sure that it gets linked this is needed for glibc2 systems (PFV) }
if not SharedLibFiles.Empty then
begin
LinkRes.Add('INPUT(');
While not SharedLibFiles.Empty do
begin
S:=SharedLibFiles.GetFirst;
if s<>'c' then
begin
i:=Pos(target_info.sharedlibext,S);
if i>0 then
Delete(S,i,255);
LinkRes.Add('-l'+s);
end
else
begin
linklibc:=true;
linkdynamic:=false; { libc will include the ld-solaris (war ld-linux) for us }
end;
end;
{ be sure that libc is the last lib }
if linklibc then
LinkRes.Add('-lc');
{ when we have -static for the linker the we also need libgcc }
if (cs_link_staticflag in current_settings.globalswitches) then begin
LinkRes.Add('-lgcc');
end;
if linkdynamic and (Info.DynamicLinker<>'') then { gld has a default, DynamicLinker is not set in solaris }
LinkRes.AddFileName(Info.DynamicLinker);
LinkRes.Add(')');
end;
{ objects which must be at the end }
if linklibc then {needed in solaris ? }
begin
if {librarysearchpath.FindFile('crtend.o',s1) or}
librarysearchpath.FindFile('crtn.o',false,s2) then
begin
LinkRes.Add('INPUT(');
{ LinkRes.AddFileName(s1);}
LinkRes.AddFileName(s2);
LinkRes.Add(')');
end;
end;
{ Write and Close response }
linkres.writetodisk;
LinkRes.Free;
WriteResponseFile:=True;
end;
function TLinkersolaris.MakeExecutable:boolean;
var
binstr,
cmdstr : TCmdStr;
success : boolean;
DynLinkStr : string[60];
StaticStr,
StripStr : string[40];
begin
if not(cs_link_nolink in current_settings.globalswitches) then
Message1(exec_i_linking,current_module.exefilename^);
{ Create some replacements }
StaticStr:='';
StripStr:='';
DynLinkStr:='';
if (cs_link_staticflag in current_settings.globalswitches) then
StaticStr:='-Bstatic';
if (cs_link_strip in current_settings.globalswitches) then
StripStr:='-s';
If (cs_profile in current_settings.moduleswitches) or
((Info.DynamicLinker<>'') and (not SharedLibFiles.Empty)) then
DynLinkStr:='-dynamic-linker='+Info.DynamicLinker;
{ solaris sets DynamicLinker, but gld will (hopefully) defaults to -Bdynamic and add the default-linker }
{ Write used files and libraries }
WriteResponseFile(false);
{ Call linker }
SplitBinCmd(Info.ExeCmd[1],binstr,cmdstr);
Replace(cmdstr,'$EXE',maybequoted(current_module.exefilename^));
Replace(cmdstr,'$OPT',Info.ExtraOptions);
Replace(cmdstr,'$RES',maybequoted(outputexedir+Info.ResName));
Replace(cmdstr,'$STATIC',StaticStr);
Replace(cmdstr,'$STRIP',StripStr);
Replace(cmdstr,'$DYNLINK',DynLinkStr);
success:=DoExec(FindUtil(utilsprefix+BinStr),CmdStr,true,false);
{ Remove ReponseFile }
{$IFNDEF LinkTest}
if (success) and not(cs_link_nolink in current_settings.globalswitches) then
DeleteFile(outputexedir+Info.ResName);
{$ENDIF}
MakeExecutable:=success; { otherwise a recursive call to link method }
end;
Function TLinkersolaris.MakeSharedLibrary:boolean;
var
binstr,
cmdstr : TCmdStr;
success : boolean;
begin
MakeSharedLibrary:=false;
if not(cs_link_nolink in current_settings.globalswitches) then
Message1(exec_i_linking,current_module.sharedlibfilename^);
{ Write used files and libraries }
WriteResponseFile(true);
{ Call linker }
SplitBinCmd(Info.DllCmd[1],binstr,cmdstr);
Replace(cmdstr,'$EXE',maybequoted(current_module.sharedlibfilename^));
Replace(cmdstr,'$OPT',Info.ExtraOptions);
Replace(cmdstr,'$RES',maybequoted(outputexedir+Info.ResName));
success:=DoExec(FindUtil(utilsprefix+binstr),cmdstr,true,false);
{ Strip the library ? }
if success and (cs_link_strip in current_settings.globalswitches) then
begin
SplitBinCmd(Info.DllCmd[2],binstr,cmdstr);
Replace(cmdstr,'$EXE',maybequoted(current_module.sharedlibfilename^));
success:=DoExec(utilsprefix+FindUtil(binstr),cmdstr,true,false);
end;
{ Remove ReponseFile }
{$IFNDEF LinkTest}
if (success) and not(cs_link_nolink in current_settings.globalswitches) then
DeleteFile(outputexedir+Info.ResName);
{$ENDIF}
MakeSharedLibrary:=success; { otherwise a recursive call to link method }
end;
{*****************************************************************************
Initialize
*****************************************************************************}
initialization
{$ifdef i386}
RegisterExternalLinker(system_i386_solaris_info,TLinkersolaris);
RegisterImport(system_i386_solaris,TImportLibsolaris);
RegisterExport(system_i386_solaris,TExportLibsolaris);
RegisterTarget(system_i386_solaris_info);
{$endif i386}
{$ifdef sparc}
RegisterExternalLinker(system_sparc_solaris_info,TLinkersolaris);
RegisterImport(system_sparc_solaris,TImportLibsolaris);
RegisterExport(system_sparc_solaris,TExportLibsolaris);
RegisterTarget(system_sparc_solaris_info);
{$endif sparc}
end.
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