fpc/compiler/x86_64/cpupi.pas
2004-06-20 08:55:28 +00:00

83 lines
2.1 KiB
ObjectPascal

{
$Id$
Copyright (c) 2002 by Florian Klaempfl
This unit contains the CPU specific part of tprocinfo
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.
****************************************************************************
}
{ This unit contains the CPU specific part of tprocinfo. }
unit cpupi;
{$i fpcdefs.inc}
interface
uses
psub,procinfo;
type
tx86_64procinfo = class(tcgprocinfo)
function calc_stackframe_size:longint;override;
procedure allocate_push_parasize(size:longint);override;
end;
implementation
uses
globals,
cutils,
tgobj;
procedure tx86_64procinfo.allocate_push_parasize(size:longint);
begin
if size>maxpushedparasize then
maxpushedparasize:=size;
end;
function tx86_64procinfo.calc_stackframe_size:longint;
begin
maxpushedparasize:=align(maxpushedparasize,max(aktalignment.localalignmin,16));
{ RSP should be aligned on 16 bytes }
result:=Align(tg.direction*tg.lasttemp,16)+maxpushedparasize;
end;
begin
cprocinfo:=tx86_64procinfo;
end.
{
$Log$
Revision 1.5 2004-06-20 08:55:32 florian
* logs truncated
Revision 1.4 2004/06/16 20:07:11 florian
* dwarf branch merged
Revision 1.3.2.1 2004/04/23 22:12:37 florian
* fixed some potential stack corruption reasons
Revision 1.3 2004/02/04 22:01:13 peter
* first try to get cpupara working for x86_64
}