fpc/compiler/systems/t_linux.pas

980 lines
32 KiB
ObjectPascal

{
Copyright (c) 1998-2002 by Peter Vreman
This unit implements support import,export,link routines
for the (i386) Linux 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_linux;
{$i fpcdefs.inc}
interface
uses
symsym,symdef,ppu,
import,export,link;
type
timportliblinux=class(timportlib)
procedure generatelib;override;
end;
texportliblinux=class(texportlib)
procedure preparelib(const s : string);override;
procedure exportprocedure(hp : texported_item);override;
procedure exportvar(hp : texported_item);override;
procedure generatelib;override;
end;
tlinkerlinux=class(texternallinker)
private
libctype:(libc5,glibc2,glibc21,uclibc);
cprtobj,
gprtobj,
prtobj : string[80];
reorder : boolean;
linklibc: boolean;
Function WriteResponseFile(isdll:boolean) : Boolean;
public
constructor Create;override;
procedure SetDefaultInfo;override;
procedure InitSysInitUnitName;override;
function MakeExecutable:boolean;override;
function MakeSharedLibrary:boolean;override;
function postprocessexecutable(const fn : string;isdll:boolean):boolean;
procedure LoadPredefinedLibraryOrder; override;
end;
implementation
uses
SysUtils,
cutils,cfileutl,cclasses,
verbose,systems,globtype,globals,
symconst,script,
fmodule,
aasmbase,aasmtai,aasmdata,aasmcpu,cpubase,
cgbase,cgobj,cgutils,ogbase,ncgutil,
comprsrc,
i_linux
;
{*****************************************************************************
TIMPORTLIBLINUX
*****************************************************************************}
procedure timportliblinux.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;
{*****************************************************************************
TEXPORTLIBLINUX
*****************************************************************************}
procedure texportliblinux.preparelib(const s:string);
begin
end;
procedure texportliblinux.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,'linux');
exit;
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.concat(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 texportliblinux.exportvar(hp : texported_item);
begin
hp.is_var:=true;
exportprocedure(hp);
end;
procedure texportliblinux.generatelib;
var
hp2 : texported_item;
pd : tprocdef;
{$ifdef x86}
sym : tasmsymbol;
r : treference;
{$endif x86}
begin
new_section(current_asmdata.asmlists[al_procedures],sec_code,'',0);
hp2:=texported_item(current_module._exports.first);
while assigned(hp2) do
begin
if (not hp2.is_var) and
(hp2.sym.typ=procsym) then
begin
{ the manglednames can already be the same when the procedure
is declared with cdecl }
pd:=tprocdef(tprocsym(hp2.sym).ProcdefList[0]);
if not has_alias_name(pd,hp2.name^) then
begin
{ place jump in al_procedures }
current_asmdata.asmlists[al_procedures].concat(tai_align.create(target_info.alignment.procalign));
current_asmdata.asmlists[al_procedures].concat(Tai_symbol.Createname_global(hp2.name^,AT_FUNCTION,0));
if (cs_create_pic in current_settings.moduleswitches) and
{ other targets need to be checked how it works }
(target_info.system in [system_x86_64_linux,system_i386_linux]) then
begin
{$ifdef x86}
sym:=current_asmdata.RefAsmSymbol(pd.mangledname);
reference_reset_symbol(r,sym,0);
if cs_create_pic in current_settings.moduleswitches then
r.refaddr:=addr_pic
else
r.refaddr:=addr_full;
current_asmdata.asmlists[al_procedures].concat(taicpu.op_ref(A_JMP,S_NO,r));
{$endif x86}
end
else
cg.a_jmp_name(current_asmdata.asmlists[al_procedures],pd.mangledname);
current_asmdata.asmlists[al_procedures].concat(Tai_symbol_end.Createname(hp2.name^));
end;
end
else
message1(parser_e_no_export_of_variables_for_target,'linux');
hp2:=texported_item(hp2.next);
end;
end;
{*****************************************************************************
TLINKERLINUX
*****************************************************************************}
Constructor TLinkerLinux.Create;
begin
Inherited Create;
if not Dontlinkstdlibpath Then
{$ifdef x86_64}
LibrarySearchPath.AddPath('/lib64;/usr/lib64;/usr/X11R6/lib64',true);
{$else}
{$ifdef powerpc64}
LibrarySearchPath.AddPath('/lib64;/usr/lib64;/usr/X11R6/lib64',true);
{$else powerpc64}
LibrarySearchPath.AddPath('/lib;/usr/lib;/usr/X11R6/lib',true);
{$endif powerpc64}
{$endif x86_64}
end;
procedure TLinkerLinux.SetDefaultInfo;
{
This will also detect which libc version will be used
}
const
{$ifdef i386} platform_select='-b elf32-i386 -m elf_i386';{$endif}
{$ifdef x86_64} platform_select='-b elf64-x86-64 -m elf_x86_64';{$endif}
{$ifdef powerpc}platform_select='-b elf32-powerpc -m elf32ppclinux';{$endif}
{$ifdef POWERPC64} platform_select='-b elf64-powerpc -m elf64ppc';{$endif}
{$ifdef sparc} platform_select='-b elf32-sparc -m elf32_sparc';{$endif}
{$ifdef arm} platform_select='';{$endif} {unknown :( }
{$ifdef m68k} platform_select='';{$endif} {unknown :( }
{$ifdef m68k}
var
St : TSearchRec;
{$endif m68k}
begin
with Info do
begin
ExeCmd[1]:='ld '+platform_select+' $OPT $DYNLINK $STATIC $GCSECTIONS $STRIP -L. -o $EXE $RES';
DllCmd[1]:='ld '+platform_select+' $OPT $INIT $FINI $SONAME -shared -L. -o $EXE $RES -E';
DllCmd[2]:='strip --strip-unneeded $EXE';
{$ifdef m68k}
libctype:=glibc2;
if FindFirst('/lib/ld*',faAnyFile+faSymLink,st)<>0 then
begin
repeat
if copy(st.name,1,5)='ld-2.' then
begin
DynamicLinker:='/lib/'+St.name;
if st.name[6]<>'0' then
libctype:=glibc21;
break;
end;
until FindNext(St)<>0;
end;
FindClose(St);
{$endif m68k}
{$ifdef i386}
{
Search order:
glibc 2.1+
uclibc
glibc 2.0
If none is found (e.g. when cross compiling) glibc21 is assumed
}
if FileExists('/lib/ld-linux.so.2',false) then
begin
DynamicLinker:='/lib/ld-linux.so.2';
libctype:=glibc21;
end
else if fileexists('/lib/ld-uClibc.so.0',false) then
begin
dynamiclinker:='/lib/ld-uClibc.so.0';
libctype:=uclibc;
end
else if fileexists('/lib/ld-linux.so.1',false) then
begin
DynamicLinker:='/lib/ld-linux.so.1';
libctype:=glibc2;
end
else
begin
{ default is glibc 2.1+ compatible }
DynamicLinker:='/lib/ld-linux.so.2';
libctype:=glibc21;
end;
{$endif i386}
{$ifdef x86_64}
DynamicLinker:='/lib64/ld-linux-x86-64.so.2';
libctype:=glibc2;
{$endif x86_64}
{$ifdef sparc}
DynamicLinker:='/lib/ld-linux.so.2';
libctype:=glibc2;
{$endif sparc}
{$ifdef powerpc}
DynamicLinker:='/lib/ld.so.1';
libctype:=glibc2;
{$endif powerpc}
{$ifdef powerpc64}
DynamicLinker:='/lib64/ld64.so.1';
libctype:=glibc2;
{$endif powerpc64}
{$ifdef arm}
DynamicLinker:='/lib/ld-linux.so.2';
libctype:=glibc2;
{$endif arm}
end;
end;
procedure TLinkerLinux.LoadPredefinedLibraryOrder;
// put your linkorder/linkalias overrides here.
// Note: assumes only called when reordering/aliasing is used.
Begin
if not (cs_link_no_default_lib_order in current_settings.globalswitches) Then
Begin
LinkLibraryOrder.add('gcc','',15);
LinkLibraryOrder.add('c','',100);
LinkLibraryOrder.add('gmon','',120);
LinkLibraryOrder.add('dl','',140);
LinkLibraryOrder.add('pthread','',160);
end;
End;
Procedure TLinkerLinux.InitSysInitUnitName;
var
csysinitunit,
gsysinitunit : string[20];
hp : tmodule;
begin
hp:=tmodule(loaded_units.first);
while assigned(hp) do
begin
linklibc := hp.linkothersharedlibs.find('c');
if linklibc then break;
hp:=tmodule(hp.next);
end;
reorder := linklibc and ReOrderEntries;
if current_module.islibrary then
begin
sysinitunit:='dll';
csysinitunit:='dll';
gsysinitunit:='dll';
prtobj:='dllprt0';
cprtobj:='dllprt0';
gprtobj:='dllprt0';
end
else
begin
prtobj:='prt0';
sysinitunit:='prc';
case libctype of
glibc21:
begin
cprtobj:='cprt21';
gprtobj:='gprt21';
csysinitunit:='c21';
gsysinitunit:='c21g';
end;
uclibc:
begin
cprtobj:='ucprt0';
gprtobj:='ugprt0';
csysinitunit:='uc';
gsysinitunit:='ucg';
end
else
cprtobj:='cprt0';
gprtobj:='gprt0';
csysinitunit:='c';
gsysinitunit:='g';
end;
end;
if cs_profile in current_settings.moduleswitches then
begin
prtobj:=gprtobj;
sysinitunit:=gsysinitunit;
linklibc:=true;
end
else
begin
if linklibc then
begin
prtobj:=cprtobj;
sysinitunit:=csysinitunit;
end;
end;
sysinitunit:='si_'+sysinitunit;
end;
Function TLinkerLinux.WriteResponseFile(isdll:boolean) : Boolean;
Var
linkres : TLinkRes;
i : longint;
HPath : TCmdStrListItem;
s,s1,s2 : TCmdStr;
found1,
found2 : boolean;
begin
result:=False;
{ set special options for some targets }
if cs_profile in current_settings.moduleswitches then
begin
if not(libctype in [glibc2,glibc21]) then
AddSharedLibrary('gmon');
AddSharedLibrary('c');
end;
{ Open link.res file }
LinkRes:=TLinkRes.Create(outputexedir+Info.ResName);
with linkres do
begin
{ Write path to search libraries }
HPath:=TCmdStrListItem(current_module.locallibrarysearchpath.First);
while assigned(HPath) do
begin
Add('SEARCH_DIR('+maybequoted(HPath.Str)+')');
HPath:=TCmdStrListItem(HPath.Next);
end;
HPath:=TCmdStrListItem(LibrarySearchPath.First);
while assigned(HPath) do
begin
Add('SEARCH_DIR('+maybequoted(HPath.Str)+')');
HPath:=TCmdStrListItem(HPath.Next);
end;
StartSection('INPUT(');
{ add objectfiles, start with prt0 always }
if not (target_info.system in system_internal_sysinit) and (prtobj<>'') then
AddFileName(maybequoted(FindObjectFile(prtobj,'',false)));
{ try to add crti and crtbegin if linking to C }
if linklibc then
begin
{ x86_64 requires this to use entry/exit code with pic,
see also issue #8210 regarding a discussion
no idea about the other non i386 CPUs (FK)
}
{$ifdef x86_64}
if current_module.islibrary then
begin
if librarysearchpath.FindFile('crtbeginS.o',false,s) then
AddFileName(s);
end
else
{$endif x86_64}
if librarysearchpath.FindFile('crtbegin.o',false,s) then
AddFileName(s);
if librarysearchpath.FindFile('crti.o',false,s) then
AddFileName(s);
end;
{ main objectfiles }
while not ObjectFiles.Empty do
begin
s:=ObjectFiles.GetFirst;
if s<>'' then
AddFileName(maybequoted(s));
end;
EndSection(')');
{ Write staticlibraries }
if not StaticLibFiles.Empty then
begin
Add('GROUP(');
While not StaticLibFiles.Empty do
begin
S:=StaticLibFiles.GetFirst;
AddFileName(maybequoted(s))
end;
Add(')');
end;
// we must reorder here because the result could empty sharedlibfiles
if reorder Then
ExpandAndApplyOrder(SharedLibFiles);
// after this point addition of shared libs not allowed.
{ Write sharedlibraries like -l<lib>, also add the needed dynamic linker
here to be sure that it gets linked this is needed for glibc2 systems (PFV) }
if not SharedLibFiles.Empty then
begin
Add('INPUT(');
While not SharedLibFiles.Empty do
begin
S:=SharedLibFiles.GetFirst;
if (s<>'c') or reorder then
begin
i:=Pos(target_info.sharedlibext,S);
if i>0 then
Delete(S,i,255);
Add('-l'+s);
end
else
begin
linklibc:=true;
end;
end;
{ be sure that libc is the last lib }
if linklibc and not reorder then
Add('-lc');
{ when we have -static for the linker the we also need libgcc }
if (cs_link_staticflag in current_settings.globalswitches) then
Add('-lgcc');
Add(')');
end;
{ objects which must be at the end }
if linklibc and (libctype<>uclibc) then
begin
{ x86_64 requires this to use entry/exit code with pic,
see also issue #8210 regarding a discussion
no idea about the other non i386 CPUs (FK)
}
{$ifdef x86_64}
if current_module.islibrary then
found1:=librarysearchpath.FindFile('crtendS.o',false,s1)
else
{$endif x86_64}
found1:=librarysearchpath.FindFile('crtend.o',false,s1);
found2:=librarysearchpath.FindFile('crtn.o',false,s2);
if found1 or found2 then
begin
Add('INPUT(');
if found1 then
AddFileName(s1);
if found2 then
AddFileName(s2);
Add(')');
end;
end;
{Entry point.}
add('ENTRY(_start)');
{$ifdef x86_64}
{$define LINKERSCRIPT_INCLUDED}
add('SECTIONS');
add('{');
{Read-only sections, merged into text segment:}
if current_module.islibrary then
add(' . = 0 + SIZEOF_HEADERS;')
else
add(' PROVIDE (__executable_start = 0x0400000); . = 0x0400000 + SIZEOF_HEADERS;');
add(' . = 0 + SIZEOF_HEADERS;');
add(' .interp : { *(.interp) }');
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add(' {');
add(' *(.data .data.* .gnu.linkonce.d.*)');
add(' KEEP (*(.fpc .fpc.n_version .fpc.n_links))');
add(' KEEP (*(.gnu.linkonce.d.*personality*))');
add(' }');
add(' PROVIDE (_edata = .);');
add(' PROVIDE (edata = .);');
{$ifdef zsegment_threadvars}
add(' _z = .;');
add(' .threadvar 0 : AT (_z) { *(.threadvar .threadvar.* .gnu.linkonce.tv.*) }');
add(' PROVIDE (_threadvar_size = SIZEOF(.threadvar));');
add(' . = _z + SIZEOF (.threadvar);');
{$else}
add(' .threadvar : { *(.threadvar .threadvar.* .gnu.linkonce.tv.*) }');
{$endif}
add(' __bss_start = .;');
add(' .bss :');
add(' {');
add(' *(.dynbss)');
add(' *(.bss .bss.* .gnu.linkonce.b.*)');
add(' *(COMMON)');
{Align here to ensure that the .bss section occupies space up to
_end. Align after .bss to ensure correct alignment even if the
.bss section disappears because there are no input sections.}
add(' . = ALIGN(32 / 8);');
add(' }');
add(' . = ALIGN(32 / 8);');
add(' PROVIDE (_end = .);');
add(' PROVIDE (end = .);');
{Stabs debugging sections.}
add(' .stab 0 : { *(.stab) }');
add(' .stabstr 0 : { *(.stabstr) }');
add('}');
{$endif LINKERSCRIPT_INCLUDED}
{ Write and Close response }
writetodisk;
Free;
end;
WriteResponseFile:=True;
end;
function TLinkerLinux.MakeExecutable:boolean;
var
binstr,
cmdstr : TCmdStr;
success : boolean;
DynLinkStr : string[60];
GCSectionsStr,
StaticStr,
StripStr : string[40];
begin
if not(cs_link_nolink in current_settings.globalswitches) then
Message1(exec_i_linking,current_module.exefilename^);
{ Create some replacements }
StaticStr:='';
StripStr:='';
GCSectionsStr:='';
DynLinkStr:='';
if (cs_link_staticflag in current_settings.globalswitches) then
StaticStr:='-static';
if (cs_link_strip in current_settings.globalswitches) then
StripStr:='-s';
if (cs_link_map in current_settings.globalswitches) then
StripStr:='-Map '+maybequoted(ChangeFileExt(current_module.exefilename^,'.map'));
if use_smartlink_section then
GCSectionsStr:='--gc-sections';
If (cs_profile in current_settings.moduleswitches) or
((Info.DynamicLinker<>'') and (not SharedLibFiles.Empty)) then
begin
DynLinkStr:='-dynamic-linker='+Info.DynamicLinker;
if cshared Then
DynLinkStr:='--shared ' + DynLinkStr;
if rlinkpath<>'' Then
DynLinkStr:='--rpath-link '+rlinkpath + ' '+ DynLinkStr;
End;
{ Write used files and libraries }
WriteResponseFile(false);
{ Call linker }
SplitBinCmd(Info.ExeCmd[1],binstr,cmdstr);
Replace(cmdstr,'$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,'$GCSECTIONS',GCSectionsStr);
Replace(cmdstr,'$DYNLINK',DynLinkStr);
{ create dynamic symbol table? }
if HasExports then
cmdstr:=cmdstr+' -E';
success:=DoExec(FindUtil(utilsprefix+BinStr),CmdStr,true,false);
{ Remove ReponseFile }
if (success) and not(cs_link_nolink in current_settings.globalswitches) then
DeleteFile(outputexedir+Info.ResName);
if (success) then
success:=PostProcessExecutable(current_module.exefilename^,false);
MakeExecutable:=success; { otherwise a recursive call to link method }
end;
Function TLinkerLinux.MakeSharedLibrary:boolean;
var
InitStr,
FiniStr,
SoNameStr : string[80];
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);
{ Create some replacements }
InitStr:='-init FPC_LIB_START';
FiniStr:='-fini FPC_LIB_EXIT';
SoNameStr:='-soname '+ExtractFileName(current_module.sharedlibfilename^);
{ Call linker }
SplitBinCmd(Info.DllCmd[1],binstr,cmdstr);
Replace(cmdstr,'$EXE',maybequoted(current_module.sharedlibfilename^));
Replace(cmdstr,'$OPT',Info.ExtraOptions);
Replace(cmdstr,'$RES',maybequoted(outputexedir+Info.ResName));
Replace(cmdstr,'$INIT',InitStr);
Replace(cmdstr,'$FINI',FiniStr);
Replace(cmdstr,'$SONAME',SoNameStr);
success:=DoExec(FindUtil(utilsprefix+binstr),cmdstr,true,false);
{ Strip the library ? }
if success and (cs_link_strip in current_settings.globalswitches) then
begin
{ only remove non global symbols and debugging info for a library }
Info.DllCmd[2]:='strip --discard-all --strip-debug $EXE';
SplitBinCmd(Info.DllCmd[2],binstr,cmdstr);
Replace(cmdstr,'$EXE',maybequoted(current_module.sharedlibfilename^));
success:=DoExec(FindUtil(utilsprefix+binstr),cmdstr,true,false);
end;
{ Remove ReponseFile }
if (success) and not(cs_link_nolink in current_settings.globalswitches) then
DeleteFile(outputexedir+Info.ResName);
MakeSharedLibrary:=success; { otherwise a recursive call to link method }
end;
function tlinkerLinux.postprocessexecutable(const fn : string;isdll:boolean):boolean;
var
cmdstr: string;
begin
result:=True;
if HasResources and
(target_res.id=res_elf) then
begin
cmdstr:=' -f -i '+maybequoted(fn);
result:=DoExec(FindUtil(utilsprefix+'fpcres'),cmdstr,false,false);
end;
end;
{*****************************************************************************
Initialize
*****************************************************************************}
initialization
{$ifdef i386}
RegisterExternalLinker(system_i386_linux_info,TLinkerLinux);
RegisterImport(system_i386_linux,timportliblinux);
RegisterExport(system_i386_linux,texportliblinux);
RegisterTarget(system_i386_linux_info);
RegisterRes(res_elf32_info,TWinLikeResourceFile);
RegisterExternalLinker(system_x86_6432_linux_info,TLinkerLinux);
RegisterImport(system_x86_6432_linux,timportliblinux);
RegisterExport(system_x86_6432_linux,texportliblinux);
RegisterTarget(system_x86_6432_linux_info);
{$endif i386}
{$ifdef m68k}
RegisterExternalLinker(system_m68k_linux_info,TLinkerLinux);
RegisterImport(system_m68k_linux,timportliblinux);
RegisterExport(system_m68k_linux,texportliblinux);
RegisterTarget(system_m68k_linux_info);
{$endif m68k}
{$ifdef powerpc}
RegisterExternalLinker(system_powerpc_linux_info,TLinkerLinux);
RegisterImport(system_powerpc_linux,timportliblinux);
RegisterExport(system_powerpc_linux,texportliblinux);
RegisterTarget(system_powerpc_linux_info);
{$endif powerpc}
{$ifdef powerpc64}
RegisterExternalLinker(system_powerpc64_linux_info,TLinkerLinux);
RegisterImport(system_powerpc64_linux,timportliblinux);
RegisterExport(system_powerpc64_linux,texportliblinux);
RegisterTarget(system_powerpc64_linux_info);
{$endif powerpc64}
{$ifdef alpha}
RegisterExternalLinker(system_alpha_linux_info,TLinkerLinux);
RegisterImport(system_alpha_linux,timportliblinux);
RegisterExport(system_alpha_linux,texportliblinux);
RegisterTarget(system_alpha_linux_info);
{$endif alpha}
{$ifdef x86_64}
RegisterExternalLinker(system_x86_64_linux_info,TLinkerLinux);
RegisterImport(system_x86_64_linux,timportliblinux);
RegisterExport(system_x86_64_linux,texportliblinux);
RegisterTarget(system_x86_64_linux_info);
RegisterRes(res_elf64_info,TWinLikeResourceFile);
{$endif x86_64}
{$ifdef SPARC}
RegisterExternalLinker(system_sparc_linux_info,TLinkerLinux);
RegisterImport(system_SPARC_linux,timportliblinux);
RegisterExport(system_SPARC_linux,texportliblinux);
RegisterTarget(system_SPARC_linux_info);
{$endif SPARC}
{$ifdef ARM}
RegisterExternalLinker(system_arm_linux_info,TLinkerLinux);
RegisterImport(system_arm_linux,timportliblinux);
RegisterExport(system_arm_linux,texportliblinux);
RegisterTarget(system_arm_linux_info);
{$endif ARM}
end.