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{
$Id: nppcld.pas,v 1.9 2005/02/14 17:13:10 peter Exp $
Copyright (c) 1998-2002 by Florian Klaempfl
Generate ppc assembler for nodes that handle loads and assignments
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 nppcld;
{$i fpcdefs.inc}
interface
uses
node,ncgld;
type
tppcloadnode = class(tcgloadnode)
procedure pass_2; override;
procedure generate_picvaraccess;override;
end;
implementation
uses
verbose,
systems,
cpubase,
cgutils,cgobj,
aasmbase,aasmtai,
symconst,symsym,
procinfo,
nld;
procedure tppcloadnode.pass_2;
var
l : tasmsymbol;
ref : treference;
begin
case target_info.system of
system_powerpc_darwin:
begin
if (symtableentry.typ = procsym) and
(tprocsym(symtableentry).owner.symtabletype in [staticsymtable,globalsymtable]) and
(
(not tprocsym(symtableentry).owner.iscurrentunit) or
(po_external in tprocsym(symtableentry).procdef[1].procoptions)
) then
begin
l:=objectlibrary.getasmsymbol('L'+tprocsym(symtableentry).procdef[1].mangledname+'$non_lazy_ptr');
if not(assigned(l)) then
begin
l:=objectlibrary.newasmsymbol('L'+tprocsym(symtableentry).procdef[1].mangledname+'$non_lazy_ptr',AB_COMMON,AT_DATA);
picdata.concat(tai_symbol.create(l,0));
picdata.concat(tai_const.create_indirect_sym(objectlibrary.newasmsymbol(tprocsym(symtableentry).procdef[1].mangledname,AB_EXTERNAL,AT_DATA)));
picdata.concat(tai_const.create_32bit(0));
end;
reference_reset_symbol(ref,l,0);
reference_reset_base(location.reference,cg.getaddressregister(exprasmlist),0);
cg.a_load_ref_reg(exprasmlist,OS_ADDR,OS_ADDR,ref,location.reference.base);
end
else
inherited pass_2;
end;
else
inherited pass_2;
end;
end;
procedure tppcloadnode.generate_picvaraccess;
var
l : tasmsymbol;
ref : treference;
begin
case target_info.system of
system_powerpc_darwin:
begin
if (vo_is_dll_var in tglobalvarsym(symtableentry).varoptions) or
((tglobalvarsym(symtableentry).owner.symtabletype in [staticsymtable,globalsymtable]) and
not(tglobalvarsym(symtableentry).owner.iscurrentunit)) then
begin
l:=objectlibrary.getasmsymbol('L'+tglobalvarsym(symtableentry).mangledname+'$non_lazy_ptr');
if not(assigned(l)) then
begin
l:=objectlibrary.newasmsymbol('L'+tglobalvarsym(symtableentry).mangledname+'$non_lazy_ptr',AB_COMMON,AT_DATA);
picdata.concat(tai_symbol.create(l,0));
picdata.concat(tai_const.create_indirect_sym(objectlibrary.newasmsymbol(tglobalvarsym(symtableentry).mangledname,AB_EXTERNAL,AT_DATA)));
picdata.concat(tai_const.create_32bit(0));
end;
reference_reset_symbol(ref,l,0);
{ ref.base:=current_procinfo.got;
ref.relsymbol:=current_procinfo.gotlabel;}
reference_reset_base(location.reference,cg.getaddressregister(exprasmlist),0);
cg.a_load_ref_reg(exprasmlist,OS_ADDR,OS_ADDR,ref,location.reference.base);
end
else
internalerror(200403021);
end
else
internalerror(200402291);
end;
end;
begin
cloadnode:=tppcloadnode;
end.
{
$Log: nppcld.pas,v $
Revision 1.9 2005/02/14 17:13:10 peter
* truncate log
Revision 1.8 2005/01/24 18:13:46 jonas
* fixed bug introduced in revision 1.6
Revision 1.7 2005/01/20 17:47:01 peter
* remove copy_value_on_stack and a_param_copy_ref
Revision 1.6 2005/01/19 22:19:41 peter
* unit mapping rewrite
* new derefmap added
}
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