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106 lines
3.3 KiB
ObjectPascal
106 lines
3.3 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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cutils,
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cgbase,cpuinfo;
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type
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Tppcprocinfo = class(tprocinfo)
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{ overall size of allocated stack space, currently this is used for the PowerPC only }
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localsize : aword;
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{ max. of space need for parameters, currently used by the PowerPC port only }
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maxpushedparasize : aword;
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constructor create;override;
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procedure after_header;override;
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procedure after_pass1;override;
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end;
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implementation
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uses
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globtype,globals,
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aasmtai,
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tgobj;
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constructor Tppcprocinfo.create;
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begin
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inherited create;
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maxpushedparasize:=0;
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localsize:=0;
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end;
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procedure Tppcprocinfo.after_header;
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begin
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{ this value is necessary for nested procedures }
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procdef.localst.address_fixup:=align(procdef.parast.datasize,16);
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end;
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procedure Tppcprocinfo.after_pass1;
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begin
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procdef.parast.address_fixup:=align(maxpushedparasize,16);
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if cs_asm_source in aktglobalswitches then
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aktproccode.insert(Tai_comment.Create(strpnew('Parameter copies start at: r1+'+tostr(procdef.parast.address_fixup))));
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procdef.localst.address_fixup:=align(procdef.parast.address_fixup+procdef.parast.datasize,16);
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if cs_asm_source in aktglobalswitches then
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aktproccode.insert(Tai_comment.Create(strpnew('Locals start at: r1+'+tostr(procdef.localst.address_fixup))));
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procinfo.firsttemp_offset:=align(procdef.localst.address_fixup+procdef.localst.datasize,16);
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if cs_asm_source in aktglobalswitches then
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aktproccode.insert(Tai_comment.Create(strpnew('Temp. space start: r1+'+tostr(procinfo.firsttemp_offset))));
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//!!!! tg.setfirsttemp(procinfo.firsttemp_offset);
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tg.firsttemp:=procinfo.firsttemp_offset;
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tg.lasttemp:=procinfo.firsttemp_offset;
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end;
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begin
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cprocinfo:=Tppcprocinfo;
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end.
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{
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$Log$
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Revision 1.1 2002-08-23 10:08:28 mazen
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*** empty log message ***
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Revision 1.2 2002/08/18 20:06:30 peter
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* inlining is now also allowed in interface
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* renamed write/load to ppuwrite/ppuload
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* tnode storing in ppu
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* nld,ncon,nbas are already updated for storing in ppu
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Revision 1.1 2002/08/17 09:23:49 florian
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* first part of procinfo rewrite
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}
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