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4a79481c51
specific descendent classes and moved the code that deals with this in the
code generator also to target-specific classes -> only ifdefs left in
pdecvar
git-svn-id: trunk@27379 -
70 lines
2.1 KiB
ObjectPascal
70 lines
2.1 KiB
ObjectPascal
{
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Copyright (c) 1998-2002 by Florian Klaempfl
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Generate i386/i8086 assembler for memory related nodes
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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****************************************************************************
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}
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unit ni86mem;
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{$i fpcdefs.inc}
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interface
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uses
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globtype,
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cgbase,cpuinfo,cpubase,
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node,nmem,ncgmem,nx86mem;
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type
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ti86addrnode = class(tcgaddrnode)
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protected
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procedure set_absvarsym_resultdef; virtual; abstract;
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function typecheck_non_proc(realsource: tnode; out res: tnode): boolean; override;
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end;
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implementation
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uses
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cutils,verbose,
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aasmtai,aasmdata,
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cgutils,cgobj,
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nld,
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symconst,symdef,symcpu;
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{*****************************************************************************
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TI86ADDRNODE
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*****************************************************************************}
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function ti86addrnode.typecheck_non_proc(realsource: tnode; out res: tnode): boolean;
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begin
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res:=nil;
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{ if we are getting the address of an absolute sym, check whether it's
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a near or a far pointer }
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if (realsource.nodetype=loadn) and
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((tloadnode(realsource).symtableentry.typ=absolutevarsym) and
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tcpuabsolutevarsym(tloadnode(realsource).symtableentry).absseg) then
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begin
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set_absvarsym_resultdef;
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result:=true;
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end
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else
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result:=inherited;
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end;
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end.
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