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135 lines
3.6 KiB
ObjectPascal
135 lines
3.6 KiB
ObjectPascal
{
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$Id$
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Copyright (c) 2002 by Florian Klaempfl
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This unit contains the CPU specific part of tprocinfo
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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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{ This unit contains the CPU specific part of tprocinfo. }
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unit cpupi;
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{$i fpcdefs.inc}
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interface
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uses
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psub,procinfo;
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type
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ti386procinfo = class(tcgprocinfo)
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constructor create(aparent:tprocinfo);override;
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function calc_stackframe_size:longint;override;
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end;
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implementation
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uses
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cutils,
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globals,
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tgobj,
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cpubase;
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constructor ti386procinfo.create(aparent:tprocinfo);
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begin
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inherited create(aparent);
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got:=NR_EBX;
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end;
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function ti386procinfo.calc_stackframe_size:longint;
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begin
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{ align to 4 bytes at least
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otherwise all those subl $2,%esp are meaningless PM }
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result:=Align(tg.direction*tg.lasttemp,min(aktalignment.localalignmin,4));
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end;
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begin
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cprocinfo:=ti386procinfo;
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end.
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{
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$Log$
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Revision 1.16 2003-10-14 00:30:48 florian
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+ some code for PIC support added
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Revision 1.15 2003/10/03 22:00:33 peter
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* parameter alignment fixes
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Revision 1.14 2003/10/01 20:34:49 peter
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* procinfo unit contains tprocinfo
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* cginfo renamed to cgbase
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* moved cgmessage to verbose
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* fixed ppc and sparc compiles
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Revision 1.13 2003/09/25 21:30:11 peter
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* parameter fixes
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Revision 1.12 2003/09/23 17:56:06 peter
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* locals and paras are allocated in the code generation
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* tvarsym.localloc contains the location of para/local when
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generating code for the current procedure
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Revision 1.11 2003/09/09 21:03:17 peter
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* basics for x86 register calling
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Revision 1.10 2003/09/03 15:55:01 peter
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* NEWRA branch merged
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Revision 1.9.2.1 2003/08/31 15:46:26 peter
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* more updates for tregister
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Revision 1.9 2003/07/06 17:58:22 peter
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* framepointer fixes for sparc
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* parent framepointer code more generic
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Revision 1.8 2003/06/13 21:19:31 peter
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* current_procdef removed, use current_procinfo.procdef instead
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Revision 1.7 2003/06/12 18:12:49 jonas
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* fixed compilation problems
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Revision 1.6 2003/06/12 16:43:07 peter
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* newra compiles for sparc
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Revision 1.5 2003/05/25 10:26:15 peter
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* fix interrupt stack allocation
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Revision 1.4 2003/05/22 21:32:29 peter
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* removed some unit dependencies
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Revision 1.3 2003/04/27 11:21:35 peter
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* aktprocdef renamed to current_procinfo.procdef
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* procinfo renamed to current_procinfo
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* procinfo will now be stored in current_module so it can be
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cleaned up properly
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* gen_main_procsym changed to create_main_proc and release_main_proc
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to also generate a tprocinfo structure
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* fixed unit implicit initfinal
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Revision 1.2 2003/04/27 07:48:05 peter
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* updated for removed lexlevel
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Revision 1.1 2002/08/17 09:23:44 florian
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* first part of procinfo rewrite
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}
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