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{
Copyright (c) 1998-2002 by Florian Klaempfl
Generate i386/i8086 assembler for memory related nodes
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 ni86mem;
{$i fpcdefs.inc}
interface
uses
globtype,
cgbase,cpuinfo,cpubase,
node,nmem,ncgmem,nx86mem;
type
ti86addrnode = class(tcgaddrnode)
protected
procedure set_absvarsym_resultdef; virtual; abstract;
function typecheck_non_proc(realsource: tnode; out res: tnode): boolean; override;
end;
implementation
uses
cutils,verbose,
aasmtai,aasmdata,
cgutils,cgobj,
nld,
symconst,symdef,symcpu;
{*****************************************************************************
TI86ADDRNODE
*****************************************************************************}
function ti86addrnode.typecheck_non_proc(realsource: tnode; out res: tnode): boolean;
begin
res:=nil;
{ if we are getting the address of an absolute sym, check whether it's
a near or a far pointer }
if (realsource.nodetype=loadn) and
((tloadnode(realsource).symtableentry.typ=absolutevarsym) and
tcpuabsolutevarsym(tloadnode(realsource).symtableentry).absseg) then
begin
set_absvarsym_resultdef;
result:=true;
end
else
result:=inherited;
end;
end.
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