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https://gitlab.com/freepascal.org/fpc/source.git
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fabb9c33ac
+ refaddr to treference added + refsymbol to treference added * top_local stuff moved to an extra record to save memory + aint introduced * tppufile.get/putint64/aint implemented
96 lines
2.9 KiB
ObjectPascal
96 lines
2.9 KiB
ObjectPascal
{
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$Id$
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Copyright (c) 1998-2004 by Florian Klaempfl
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Some basic types and constants for the code generation
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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 exports some helper routines which are used across the code generator }
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unit cgutils;
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{$i fpcdefs.inc}
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interface
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uses
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aasmbase,
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cgbase,
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cpubase;
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{ trerefence handling }
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{# Clear to zero a treference }
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procedure reference_reset(var ref : treference);
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{# Clear to zero a treference, and set is base address
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to base register.
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}
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procedure reference_reset_base(var ref : treference;base : tregister;offset : longint);
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procedure reference_reset_symbol(var ref : treference;sym : tasmsymbol;offset : longint);
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{ This routine verifies if two references are the same, and
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if so, returns TRUE, otherwise returns false.
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}
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function references_equal(sref : treference;dref : treference) : boolean;
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implementation
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{****************************************************************************
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TReference
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****************************************************************************}
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procedure reference_reset(var ref : treference);
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begin
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FillChar(ref,sizeof(treference),0);
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{$ifdef arm}
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ref.signindex:=1;
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{$endif arm}
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end;
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procedure reference_reset_base(var ref : treference;base : tregister;offset : longint);
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begin
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reference_reset(ref);
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ref.base:=base;
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ref.offset:=offset;
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end;
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procedure reference_reset_symbol(var ref : treference;sym : tasmsymbol;offset : longint);
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begin
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reference_reset(ref);
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ref.symbol:=sym;
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ref.offset:=offset;
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end;
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function references_equal(sref : treference;dref : treference):boolean;
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begin
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references_equal:=CompareByte(sref,dref,sizeof(treference))=0;
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end;
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end.
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{
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$Log$
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Revision 1.1 2004-02-27 10:21:05 florian
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* top_symbol killed
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+ refaddr to treference added
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+ refsymbol to treference added
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* top_local stuff moved to an extra record to save memory
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+ aint introduced
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* tppufile.get/putint64/aint implemented
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}
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