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fpc/compiler/systems/t_bsd.pas

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{
$Id$
Copyright (c) 1998-2002 by Peter Vreman (original Linux)
(c) 2000 by Marco van de Voort (FreeBSD mods)
This unit implements support import,export,link routines
for the (i386)FreeBSD 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_bsd;
{$i fpcdefs.inc}
interface
implementation
uses
{$ifdef gdb}
gdb,
{$endif gdb}
cutils,cclasses,
verbose,systems,globtype,globals,
symconst,script,
fmodule,aasmbase,aasmtai,aasmcpu,cpubase,symsym,symdef,
import,export,link,i_bsd,
cgutils,cgbase,cgobj;
type
tdarwinimported_item = class(timported_item)
procdef : tprocdef;
end;
timportlibdarwin=class(timportlib)
procedure preparelib(const s:string);override;
procedure importprocedure(aprocdef:tprocdef;const module:string;index:longint;const name:string);override;
procedure importvariable(vs:tvarsym;const name,module:string);override;
procedure generatelib;override;
procedure generatesmartlib;override;
private
procedure darwinimportproc(aprocdef:tprocdef;const func,module : string;index : longint;const name : string);
end;
timportlibbsd=class(timportlib)
procedure preparelib(const s:string);override;
procedure importprocedure(aprocdef:tprocdef;const module:string;index:longint;const name:string);override;
procedure importvariable(vs:tvarsym;const name,module:string);override;
procedure generatelib;override;
end;
texportlibbsd=class(texportlib)
procedure preparelib(const s : string);override;
procedure exportprocedure(hp : texported_item);override;
procedure exportvar(hp : texported_item);override;
procedure generatelib;override;
end;
tlinkerbsd=class(texternallinker)
private
LdSupportsNoResponseFile : boolean;
LibrarySuffix : Char;
Function WriteResponseFile(isdll:boolean) : Boolean;
public
constructor Create;override;
procedure SetDefaultInfo;override;
function MakeExecutable:boolean;override;
function MakeSharedLibrary:boolean;override;
end;
{*****************************************************************************
TIMPORTLIBDARWIN
*****************************************************************************}
procedure timportlibdarwin.preparelib(const s : string);
begin
if not(assigned(importssection)) then
importssection:=TAAsmoutput.create;
end;
procedure timportlibdarwin.darwinimportproc(aprocdef:tprocdef;const func,module : string;index : longint;const name : string);
var
hp1 : timportlist;
hp2 : tdarwinimported_item;
begin
{ force the current mangledname }
if assigned(aprocdef) then
aprocdef.has_mangledname:=true;
{ search for the module }
hp1:=timportlist(current_module.imports.first);
{ generate a new item ? }
if not(assigned(hp1)) then
begin
{ we don't need an import section per library }
hp1:=timportlist.create('imports');
current_module.imports.concat(hp1);
end;
{ search for reuse of old import item }
hp2:=tdarwinimported_item(hp1.imported_items.first);
while assigned(hp2) do
begin
if hp2.func^=func then
break;
{ there's already another declaration refering to this imported symbol }
{ -> make this declaration refer to that entry as well }
if (hp2.name^ = name) then
begin
if not assigned(aprocdef) then
internalerror(2004010306);
if assigned(aprocdef) then
aprocdef.setmangledname(hp2.func^);
break;
end;
hp2:=tdarwinimported_item(hp2.next);
end;
if not assigned(hp2) then
begin
hp2:=tdarwinimported_item.create(func,name,index);
hp2.procdef:=aprocdef;
hp1.imported_items.concat(hp2);
end;
end;
procedure timportlibdarwin.importprocedure(aprocdef:tprocdef;const module : string;index : longint;const name : string);
begin
darwinimportproc(aprocdef,aprocdef.mangledname,module,index,name);
end;
procedure timportlibdarwin.importvariable(vs:tvarsym;const name,module:string);
begin
{ this is handled in the nppcld.pas tppcloadnode }
end;
procedure timportlibdarwin.generatesmartlib;
begin
generatelib;
end;
procedure timportlibdarwin.generatelib;
var
hp1 : timportlist;
hp2 : tdarwinimported_item;
l1 : tasmsymbol;
symname: string;
mangledstring : string;
{$ifdef GDB}
importname : string;
suffix : integer;
{$endif GDB}
href : treference;
begin
hp1:=timportlist(current_module.imports.first);
while assigned(hp1) do
begin
hp2:=tdarwinimported_item(hp1.imported_items.first);
while assigned(hp2) do
begin
if not assigned(hp2.name) then
internalerror(2004010302);
symname := hp2.name^;
if assigned(tdarwinimported_item(hp2).procdef) and
(tdarwinimported_item(hp2).procdef.proccalloption in [pocall_cdecl,pocall_cppdecl]) then
symname := target_info.Cprefix+symname;
if not hp2.is_var then
begin
{$IfDef GDB}
if (cs_debuginfo in aktmoduleswitches) then
importssection.concat(tai_stab_function_name.create(nil));
{$EndIf GDB}
if not assigned(hp2.procdef) then
internalerror(2004010306);
mangledstring := hp2.func^;
{$ifdef powerpc}
{ if (po_public in hp2.procdef.procoptions) or
(hp2.procdef.hasforward and
(po_public in hp2.procdef.forwarddef.procoptions)) then
}
begin
importsSection.concat(Tai_section.Create(sec_code));
importsSection.concat(Tai_symbol.createname_global(mangledstring,AT_FUNCTION,0));
mangledstring := '_$'+mangledstring;
importsSection.concat(taicpu.op_sym(A_B,objectlibrary.newasmsymbol(mangledstring,AB_EXTERNAL,AT_FUNCTION)));
end;
{$else powerpc}
internalerror(2004010501);
{$endif powerpc}
importsSection.concat(Tai_section.Create(sec_data));
importsSection.concat(Tai_direct.create(strpnew('.section __TEXT,__symbol_stub1,symbol_stubs,pure_instructions,16')));
importsSection.concat(Tai_align.Create(4));
importsSection.concat(Tai_symbol.Createname(mangledstring,AT_FUNCTION,0));
importsSection.concat(Tai_direct.create(strpnew((#9+'.indirect_symbol ')+symname)));
l1 := objectlibrary.newasmsymbol(mangledstring+'$lazy_ptr',AB_EXTERNAL,AT_FUNCTION);
reference_reset_symbol(href,l1,0);
{$IfDef GDB}
if (cs_debuginfo in aktmoduleswitches) and assigned(hp2.procdef) then
begin
mangledstring:=hp2.procdef.mangledname;
hp2.procdef.setmangledname(mangledstring);
hp2.procdef.concatstabto(importssection);
hp2.procdef.setmangledname(mangledstring);
end;
{$EndIf GDB}
{$ifdef powerpc}
href.refaddr := addr_hi;
importsSection.concat(taicpu.op_reg_ref(A_LIS,NR_R11,href));
href.refaddr := addr_lo;
href.base := NR_R11;
importsSection.concat(taicpu.op_reg_ref(A_LWZU,NR_R12,href));
importsSection.concat(taicpu.op_reg(A_MTCTR,NR_R12));
importsSection.concat(taicpu.op_none(A_BCTR));
{$else powerpc}
internalerror(2004010502);
{$endif powerpc}
importsSection.concat(Tai_section.Create(sec_data));
importsSection.concat(Tai_direct.create(strpnew('.lazy_symbol_pointer')));
importsSection.concat(Tai_symbol.Create(l1,0));
importsSection.concat(Tai_direct.create(strpnew((#9+'.indirect_symbol ')+symname)));
importsSection.concat(tai_const_symbol.createname(strpnew('dyld_stub_binding_helper'),AT_FUNCTION,0));
end;
hp2:=tdarwinimported_item(hp2.next);
end;
hp1:=timportlist(hp1.next);
end;
end;
{*****************************************************************************
TIMPORTLIBBSD
*****************************************************************************}
procedure timportlibbsd.preparelib(const s : string);
begin
end;
procedure timportlibbsd.importprocedure(aprocdef:tprocdef;const module:string;index:longint;const name:string);
begin
{ insert sharedlibrary }
current_module.linkothersharedlibs.add(SplitName(module),link_allways);
{ do nothing with the procedure, only set the mangledname }
if name<>'' then
begin
aprocdef.setmangledname(name);
end
else
message(parser_e_empty_import_name);
end;
procedure timportlibbsd.importvariable(vs:tvarsym;const name,module:string);
begin
{ insert sharedlibrary }
current_module.linkothersharedlibs.add(SplitName(module),link_allways);
{ reset the mangledname and turn off the dll_var option }
vs.set_mangledname(name);
exclude(vs.varoptions,vo_is_dll_var);
end;
procedure timportlibbsd.generatelib;
begin
end;
{*****************************************************************************
TEXPORTLIBBSD
*****************************************************************************}
procedure texportlibbsd.preparelib(const s:string);
begin
end;
procedure texportlibbsd.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,'freebsd');
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 texportlibbsd.exportvar(hp : texported_item);
begin
hp.is_var:=true;
exportprocedure(hp);
end;
procedure texportlibbsd.generatelib;
var
hp2 : texported_item;
begin
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 }
if tprocsym(hp2.sym).first_procdef.mangledname<>hp2.name^ then
begin
{$ifdef i386}
{ place jump in codesegment }
codesegment.concat(Tai_align.Create_op(4,$90));
codeSegment.concat(Tai_symbol.Createname_global(hp2.name^,AT_FUNCTION,0));
codeSegment.concat(Taicpu.Op_sym(A_JMP,S_NO,objectlibrary.newasmsymbol(tprocsym(hp2.sym).first_procdef.mangledname,AB_EXTERNAL,AT_FUNCTION)));
codeSegment.concat(Tai_symbol_end.Createname(hp2.name^));
{$endif i386}
end;
end
else
Message1(parser_e_no_export_of_variables_for_target,'freebsd');
hp2:=texported_item(hp2.next);
end;
end;
{*****************************************************************************
TLINKERLINUX
*****************************************************************************}
Constructor TLinkerBSD.Create;
begin
Inherited Create;
if not Dontlinkstdlibpath Then
if (target_info.system <> system_powerpc_darwin) then
LibrarySearchPath.AddPath('/lib;/usr/lib;/usr/X11R6/lib',true)
else
{ Mac OS X doesn't have a /lib }
LibrarySearchPath.AddPath('/usr/lib',true)
end;
procedure TLinkerBSD.SetDefaultInfo;
{
This will also detect which libc version will be used
}
begin
LibrarySuffix:=' ';
LdSupportsNoResponseFile := (target_info.system in [system_m68k_netbsd,system_powerpc_darwin]);
with Info do
begin
if LdSupportsNoResponseFile then
begin
ExeCmd[1]:='ld $OPT $DYNLINK $STATIC $STRIP -L. -o $EXE `cat $RES`';
end
else
ExeCmd[1]:='ld $OPT $DYNLINK $STATIC $STRIP -L. -o $EXE $RES';
DllCmd[1]:='ld $OPT -shared -L. -o $EXE $RES';
DllCmd[2]:='strip --strip-unneeded $EXE';
{ first try glibc2 }
{$ifdef GLIBC2} {Keep linux code in place. FBSD might go to a different
glibc too once}
DynamicLinker:='/lib/ld-linux.so.2';
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';
{$else}
DynamicLinker:='';
{$endif}
end;
end;
Function TLinkerBSD.WriteResponseFile(isdll:boolean) : Boolean;
Var
linkres : TLinkRes;
i : longint;
cprtobj,
gprtobj,
prtobj : string[80];
HPath : TStringListItem;
s,s1,s2 : string;
linkpthread,
linkdynamic,
linklibc : boolean;
Fl1,Fl2 : Boolean;
begin
WriteResponseFile:=False;
{ set special options for some targets }
if target_info.system <> system_powerpc_darwin then
begin
linkdynamic:=not(SharedLibFiles.empty);
linklibc:=(SharedLibFiles.Find('c')<>nil);
linkpthread:=(SharedLibFiles.Find('pthread')<>nil);
if (target_info.system =system_i386_freebsd) and linkpthread Then
Begin
if not (cs_link_pthread in aktglobalswitches) Then
begin
{delete pthreads from list, in this case it is in libc_r}
SharedLibFiles.Remove(SharedLibFiles.Find('pthread').str);
LibrarySuffix:='r';
end;
End;
prtobj:='prt0';
cprtobj:='cprt0';
gprtobj:='gprt0';
if cs_profile in aktmoduleswitches then
begin
prtobj:=gprtobj;
AddSharedLibrary('c');
LibrarySuffix:='p';
linklibc:=true;
end
else
begin
if linklibc then
prtobj:=cprtobj;
end;
end
else
begin
{ for darwin: always link dynamically against libc<62>}
linklibc := true;
if not(cs_profile in aktmoduleswitches) then
prtobj:='/usr/lib/crt1.o'
else
prtobj:='/usr/lib/gcrt1.o';
end;
{ Open link.res file }
LinkRes:=TLinkRes.Create(outputexedir+Info.ResName);
{ Write path to search libraries }
HPath:=TStringListItem(current_module.locallibrarysearchpath.First);
while assigned(HPath) do
begin
if LdSupportsNoResponseFile then
LinkRes.Add('-L'+HPath.Str)
else
LinkRes.Add('SEARCH_DIR('+HPath.Str+')');
HPath:=TStringListItem(HPath.Next);
end;
HPath:=TStringListItem(LibrarySearchPath.First);
while assigned(HPath) do
begin
if LdSupportsNoResponseFile then
LinkRes.Add('-L'+HPath.Str)
else
LinkRes.Add('SEARCH_DIR('+HPath.Str+')');
HPath:=TStringListItem(HPath.Next);
end;
if not LdSupportsNoResponseFile then
LinkRes.Add('INPUT(');
{ add objectfiles, start with prt0 always }
if prtobj<>'' then
LinkRes.AddFileName(FindObjectFile(prtobj,'',false));
{ try to add crti and crtbegin if linking to C }
if linklibc and
(target_info.system <> system_powerpc_darwin) then
begin
if librarysearchpath.FindFile('crtbegin.o',s) then
LinkRes.AddFileName(s);
if librarysearchpath.FindFile('crti.o',s) then
LinkRes.AddFileName(s);
end;
{ main objectfiles }
while not ObjectFiles.Empty do
begin
s:=ObjectFiles.GetFirst;
if s<>'' then
LinkRes.AddFileName(s);
end;
if not LdSupportsNoResponseFile then
LinkRes.Add(')');
{ Write staticlibraries }
if not StaticLibFiles.Empty then
begin
if not LdSupportsNoResponseFile then
LinkRes.Add('GROUP(');
While not StaticLibFiles.Empty do
begin
S:=StaticLibFiles.GetFirst;
LinkRes.AddFileName(s)
end;
if not LdSupportsNoResponseFile then
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
if not LdSupportsNoResponseFile then
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-linux for us }
end;
end;
{ be sure that libc is the last lib }
if linklibc then
Begin
If LibrarySuffix=' ' Then
LinkRes.Add('-lc')
else
LinkRes.Add('-lc_'+LibrarySuffix);
If LibrarySuffix='r' Then
LinkRes.Add('-lc');
end;
{ when we have -static for the linker the we also need libgcc }
if (cs_link_staticflag in aktglobalswitches) then
LinkRes.Add('-lgcc');
if linkdynamic and (Info.DynamicLinker<>'') then
LinkRes.AddFileName(Info.DynamicLinker);
if not LdSupportsNoResponseFile then
LinkRes.Add(')');
end;
{ objects which must be at the end }
if linklibc and
(target_info.system <> system_powerpc_darwin) then
begin
Fl1:=librarysearchpath.FindFile('crtend.o',s1);
Fl2:=librarysearchpath.FindFile('crtn.o',s2);
if Fl1 or Fl2 then
begin
LinkRes.Add('INPUT(');
If Fl1 Then
LinkRes.AddFileName(s1);
If Fl2 Then
LinkRes.AddFileName(s2);
LinkRes.Add(')');
end;
end;
{ Write and Close response }
linkres.writetodisk;
linkres.Free;
WriteResponseFile:=True;
end;
function TLinkerBSD.MakeExecutable:boolean;
var
binstr,
cmdstr : string;
success : boolean;
DynLinkStr : string[60];
StaticStr,
StripStr : string[40];
begin
if not(cs_link_extern in aktglobalswitches) then
Message1(exec_i_linking,current_module.exefilename^);
{ Create some replacements }
StaticStr:='';
StripStr:='';
DynLinkStr:='';
if (cs_link_staticflag in aktglobalswitches) then
begin
if (target_info.system=system_m68k_netbsd) and
((cs_link_on_target in aktglobalswitches) or
(target_info.system=source_info.system)) then
StaticStr:='-Bstatic'
else
StaticStr:='-static';
end;
if (cs_link_strip in aktglobalswitches) then
StripStr:='-s';
If (cs_profile in aktmoduleswitches) or
((Info.DynamicLinker<>'') and (not SharedLibFiles.Empty)) then
DynLinkStr:='-dynamic-linker='+Info.DynamicLinker;
if CShared Then
DynLinKStr:=DynLinkStr+' --shared';
{ Write used files and libraries }
WriteResponseFile(false);
{ Call linker }
SplitBinCmd(Info.ExeCmd[1],binstr,cmdstr);
Replace(cmdstr,'$EXE',current_module.exefilename^);
Replace(cmdstr,'$OPT',Info.ExtraOptions);
Replace(cmdstr,'$RES',outputexedir+Info.ResName);
Replace(cmdstr,'$STATIC',StaticStr);
Replace(cmdstr,'$STRIP',StripStr);
Replace(cmdstr,'$DYNLINK',DynLinkStr);
success:=DoExec(FindUtil(utilsprefix+BinStr),CmdStr,true,LdSupportsNoResponseFile);
{ Remove ReponseFile }
if (success) and not(cs_link_extern in aktglobalswitches) then
RemoveFile(outputexedir+Info.ResName);
MakeExecutable:=success; { otherwise a recursive call to link method }
end;
Function TLinkerBSD.MakeSharedLibrary:boolean;
var
binstr,
cmdstr : string;
success : boolean;
begin
MakeSharedLibrary:=false;
if not(cs_link_extern in aktglobalswitches) 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,'$EXE',current_module.sharedlibfilename^);
Replace(cmdstr,'$OPT',Info.ExtraOptions);
Replace(cmdstr,'$RES',outputexedir+Info.ResName);
success:=DoExec(FindUtil(utilsprefix+binstr),cmdstr,true,false);
{ Strip the library ? }
if success and (cs_link_strip in aktglobalswitches) then
begin
SplitBinCmd(Info.DllCmd[2],binstr,cmdstr);
Replace(cmdstr,'$EXE',current_module.sharedlibfilename^);
success:=DoExec(FindUtil(utilsprefix+binstr),cmdstr,true,false);
end;
{ Remove ReponseFile }
if (success) and not(cs_link_extern in aktglobalswitches) then
RemoveFile(outputexedir+Info.ResName);
MakeSharedLibrary:=success; { otherwise a recursive call to link method }
end;
{*****************************************************************************
Initialize
*****************************************************************************}
initialization
{$ifdef i386}
RegisterExternalLinker(system_i386_FreeBSD_info,TLinkerBSD);
RegisterExternalLinker(system_i386_NetBSD_info,TLinkerBSD);
RegisterExternalLinker(system_i386_OpenBSD_info,TLinkerBSD);
RegisterImport(system_i386_freebsd,timportlibbsd);
RegisterExport(system_i386_freebsd,texportlibbsd);
RegisterTarget(system_i386_freebsd_info);
RegisterImport(system_i386_netbsd,timportlibbsd);
RegisterExport(system_i386_netbsd,texportlibbsd);
RegisterTarget(system_i386_netbsd_info);
RegisterImport(system_i386_openbsd,timportlibbsd);
RegisterExport(system_i386_openbsd,texportlibbsd);
RegisterTarget(system_i386_openbsd_info);
{$endif i386}
{$ifdef m68k}
// RegisterExternalLinker(system_m68k_FreeBSD_info,TLinkerBSD);
RegisterExternalLinker(system_m68k_NetBSD_info,TLinkerBSD);
RegisterImport(system_m68k_netbsd,timportlibbsd);
RegisterExport(system_m68k_netbsd,texportlibbsd);
RegisterTarget(system_m68k_netbsd_info);
{$endif m68k}
{$ifdef powerpc}
// RegisterExternalLinker(system_m68k_FreeBSD_info,TLinkerBSD);
RegisterExternalLinker(system_powerpc_darwin_info,TLinkerBSD);
RegisterImport(system_powerpc_darwin,timportlibdarwin);
RegisterExport(system_powerpc_darwin,texportlibbsd);
RegisterTarget(system_powerpc_darwin_info);
RegisterExternalLinker(system_powerpc_netbsd_info,TLinkerBSD);
RegisterImport(system_powerpc_netbsd,timportlibbsd);
RegisterExport(system_powerpc_netbsd,texportlibbsd);
RegisterTarget(system_powerpc_netbsd_info);
{$endif powerpc}
end.
{
$Log$
Revision 1.14 2004-04-04 10:53:21 marco
* small c_r fix, also link plain libc (like for x11)
Revision 1.13 2004/03/29 21:19:33 florian
* imported procedures are always made global (in the sense of the
assembler)
Revision 1.12 2004/03/05 22:17:11 jonas
* fixed importing of variables from shared libraries, but disabled
PIC support for now. You have to save/restore r31 when you us it! :)
Also, it's not necessary to support the imported variables
Revision 1.11 2004/03/02 00:36:33 olle
* big transformation of Tai_[const_]Symbol.Create[data]name*
Revision 1.10 2004/02/27 10:21:05 florian
* top_symbol killed
+ refaddr to treference added
+ refsymbol to treference added
* top_local stuff moved to an extra record to save memory
+ aint introduced
* tppufile.get/putint64/aint implemented
Revision 1.9 2004/02/15 16:34:18 marco
* pthread on -CURRENT related fixes.
Revision 1.8 2004/01/21 20:53:51 marco
* Copy and pasted some structures from Net- to OpenBSD (3.4+ ELF!)
Revision 1.7 2004/01/05 08:13:30 jonas
* fixed compilation problems under x86
Revision 1.6 2004/01/04 21:26:31 jonas
+ Darwin support for routines imported from external libraries (not yet
ideal, we should generate stubs in all files where the routines are
used -> these are automatically merged by the linker; now we generate
one global symbol with a jump to a stub in unit where the routine is
declared)
+ (not yet working) Darwin support for imported variables
+ Darwin support for linking
Revision 1.5 2003/10/30 18:35:30 marco
* librarysuffix + profiling
Revision 1.4 2003/10/11 19:32:04 marco
* -Xd
Revision 1.3 2003/10/03 14:16:48 marco
* -XP<prefix> support
Revision 1.2 2003/05/25 23:15:04 marco
* NetBSD target support. OpenBSD reserved in the enum, for future use.
Revision 1.1 2003/05/20 23:54:00 florian
+ basic darwin support added
Revision 1.5 2003/04/27 07:29:52 peter
* aktprocdef cleanup, aktprocdef is now always nil when parsing
a new procdef declaration
* aktprocsym removed
* lexlevel removed, use symtable.symtablelevel instead
* implicit init/final code uses the normal genentry/genexit
* funcret state checking updated for new funcret handling
Revision 1.4 2003/04/26 09:16:08 peter
* .o files belonging to the unit are first searched in the same dir
as the .ppu
Revision 1.3 2003/01/18 16:16:13 marco
* Small fix for netbsd
Revision 1.2 2002/09/09 17:34:17 peter
* tdicationary.replace added to replace and item in a dictionary. This
is only allowed for the same name
* varsyms are inserted in symtable before the types are parsed. This
fixes the long standing "var longint : longint" bug
- consume_idlist and idstringlist removed. The loops are inserted
at the callers place and uses the symtable for duplicate id checking
Revision 1.1 2002/09/06 15:03:51 carl
* moved files to systems directory
Revision 1.29 2002/09/03 16:26:28 daniel
* Make Tprocdef.defs protected
Revision 1.28 2002/08/12 15:08:44 carl
+ stab register indexes for powerpc (moved from gdb to cpubase)
+ tprocessor enumeration moved to cpuinfo
+ linker in target_info is now a class
* many many updates for m68k (will soon start to compile)
- removed some ifdef or correct them for correct cpu
Revision 1.27 2002/08/11 14:32:32 peter
* renamed current_library to objectlibrary
Revision 1.26 2002/08/11 13:24:19 peter
* saving of asmsymbols in ppu supported
* asmsymbollist global is removed and moved into a new class
tasmlibrarydata that will hold the info of a .a file which
corresponds with a single module. Added librarydata to tmodule
to keep the library info stored for the module. In the future the
objectfiles will also be stored to the tasmlibrarydata class
* all getlabel/newasmsymbol and friends are moved to the new class
Revision 1.25 2002/07/26 21:15:45 florian
* rewrote the system handling
Revision 1.24 2002/07/24 13:51:34 marco
* Fixed small error
Revision 1.23 2002/07/24 13:10:22 marco
* urgent fix.
Revision 1.22 2002/07/01 18:46:34 peter
* internal linker
* reorganized aasm layer
Revision 1.21 2002/05/18 13:34:26 peter
* readded missing revisions
Revision 1.20 2002/05/16 19:46:53 carl
+ defines.inc -> fpcdefs.inc to avoid conflicts if compiling by hand
+ try to fix temp allocation (still in ifdef)
+ generic constructor calls
+ start of tassembler / tmodulebase class cleanup
Revision 1.18 2002/04/22 18:19:22 carl
- remove use_bound_instruction field
Revision 1.17 2002/04/20 21:43:18 carl
* fix stack size for some targets
+ add offset to parameters from frame pointer info.
- remove some unused stuff
Revision 1.16 2002/04/19 15:46:04 peter
* mangledname rewrite, tprocdef.mangledname is now created dynamicly
in most cases and not written to the ppu
* add mangeledname_prefix() routine to generate the prefix of
manglednames depending on the current procedure, object and module
* removed static procprefix since the mangledname is now build only
on demand from tprocdef.mangledname
Revision 1.15 2002/04/15 19:16:57 carl
- remove size_of_pointer field
Revision 1.14 2002/01/29 21:27:34 peter
* default alignment changed to 4 bytes for locals and static const,var
}
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