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105 lines
2.8 KiB
ObjectPascal
105 lines
2.8 KiB
ObjectPascal
{
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Copyright (c) 1998-2002 by Florian Klaempfl
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This unit contains the m68k GAS instruction tables
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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 itcpugas;
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{$i fpcdefs.inc}
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interface
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uses
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cpubase,cgbase;
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const
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gas_op2str : op2strtable = {$i m68kstd.inc}
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function gas_regnum_search(const s:string):Tregister;
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function gas_regname(r:Tregister):string;
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function gas_regfullname(r:Tregister):string;
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implementation
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const
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gas_regname_table : array[tregisterindex] of string[7] = (
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{r68kgas.inc contains the name of each register.}
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{$i r68kgas.inc}
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);
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gas_regfullname_table : array[tregisterindex] of string[7] = (
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{r68kgasf.inc contains the "full" name of each register.}
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{$i r68kgasf.inc}
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);
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gas_regname_index : array[tregisterindex] of tregisterindex = (
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{r68kgri.inc contains an index which sorts gas_regname_table by name }
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{$i r68kgri.inc}
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);
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function findreg_by_gasname(const s:string):byte;
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var
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i,p : tregisterindex;
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begin
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{Binary search.}
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p:=0;
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i:=regnumber_count_bsstart;
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repeat
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if (p+i<=high(tregisterindex)) and (gas_regname_table[gas_regname_index[p+i]]<=s) then
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p:=p+i;
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i:=i shr 1;
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until i=0;
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if gas_regname_table[gas_regname_index[p]]=s then
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findreg_by_gasname:=gas_regname_index[p]
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else
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findreg_by_gasname:=0;
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end;
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function gas_regnum_search(const s:string):Tregister;
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begin
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result:=regnumber_table[findreg_by_gasname(s)];
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end;
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function gas_regname(r:Tregister):string;
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var
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p : tregisterindex;
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begin
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p:=findreg_by_number(r);
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if p<>0 then
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result:=gas_regname_table[p]
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else
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result:='%'+generic_regname(r);
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end;
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function gas_regfullname(r:Tregister):string;
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var
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p : tregisterindex;
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begin
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p:=findreg_by_number(r);
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if p<>0 then
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result:=gas_regfullname_table[p]
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else
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result:='%'+generic_regname(r);
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end;
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end.
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