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{
Copyright (c) 1998-2002 by Florian Klaempfl
This unit contains the m68k GAS instruction tables
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.
****************************************************************************
}
unit itcpugas;
{$i fpcdefs.inc}
interface
uses
cpubase,cgbase;
const
gas_op2str : op2strtable=
{ warning: CPU32 opcodes are not fully compatible with the MC68020. }
{ 68000 only opcodes }
('abcd',
'add','adda','addi','addq','addx','and','andi',
'asl','asr','bcc','bcs','beq','bge','bgt','bhi',
'ble','bls','blt','bmi','bne','bpl','bvc','bvs',
'bchg','bclr','bra','bset','bsr','btst','chk',
'clr','cmp','cmpa','cmpi','cmpm','dbcc','dbcs','dbeq','dbge',
'dbgt','dbhi','dble','dbls','dblt','dbmi','dbne','dbra',
'dbpl','dbt','dbvc','dbvs','dbf','divs','divu',
'eor','eori','exg','illegal','ext','jmp','jsr',
'lea','link','lsl','lsr','move','movea','movei','moveq',
'movem','movep','muls','mulu','nbcd','neg','negx',
'nop','not','or','ori','pea','rol','ror','roxl',
'roxr','rtr','rts','sbcd','scc','scs','seq','sge',
'sgt','shi','sle','sls','slt','smi','sne',
'spl','st','svc','svs','sf','sub','suba','subi','subq',
'subx','swap','tas','trap','trapv','tst','unlk',
'rte','reset','stop',
{ mc68010 instructions }
'bkpt','movec','moves','rtd',
{ mc68020 instructions }
'bfchg','bfclr','bfexts','bfextu','bfffo',
'bfins','bfset','bftst','callm','cas','cas2',
'chk2','cmp2','divsl','divul','extb','pack','rtm',
'trapcc','tracs','trapeq','trapf','trapge','trapgt',
'traphi','traple','trapls','traplt','trapmi','trapne',
'trappl','trapt','trapvc','trapvs','unpk',
{ fpu processor instructions - directly supported only. }
{ ieee aware and misc. condition codes not supported }
'fabs','fadd',
'fbeq','fbne','fbngt','fbgt','fbge','fbnge',
'fblt','fbnlt','fble','fbgl','fbngl','fbgle','fbngle',
'fdbeq','fdbne','fdbgt','fdbngt','fdbge','fdbnge',
'fdblt','fdbnlt','fdble','fdbgl','fdbngl','fdbgle','fdbngle',
'fseq','fsne','fsgt','fsngt','fsge','fsnge',
'fslt','fsnlt','fsle','fsgl','fsngl','fsgle','fsngle',
'fcmp','fdiv','fmove','fmovem',
'fmul','fneg','fnop','fsqrt','fsub','fsgldiv',
'fsflmul','ftst',
'ftrapeq','ftrapne','ftrapgt','ftrapngt','ftrapge','ftrapnge',
'ftraplt','ftrapnlt','ftraple','ftrapgl','ftrapngl','ftrapgle','ftrapngle',
{ protected instructions }
'cprestore','cpsave',
{ fpu unit protected instructions }
{ and 68030/68851 common mmu instructions }
{ (this may include 68040 mmu instructions) }
'frestore','fsave','pflush','pflusha','pload','pmove','ptest',
{ useful for assembly language output }
'label','none','db','s','b','fb');
function gas_regnum_search(const s:string):Tregister;
function gas_regname(r:Tregister):string;
implementation
const
gas_regname_table : array[tregisterindex] of string[7] = (
{r386att.inc contains the AT&T name of each register.}
{$i r68kgas.inc}
);
gas_regname_index : array[tregisterindex] of tregisterindex = (
{r386ari.inc contains an index which sorts att_regname_table by
ATT name.}
{$i r68kgri.inc}
);
function findreg_by_gasname(const s:string):byte;
var
i,p : tregisterindex;
begin
{Binary search.}
p:=0;
i:=regnumber_count_bsstart;
repeat
if (p+i<=high(tregisterindex)) and (gas_regname_table[gas_regname_index[p+i]]<=s) then
p:=p+i;
i:=i shr 1;
until i=0;
if gas_regname_table[gas_regname_index[p]]=s then
findreg_by_gasname:=gas_regname_index[p]
else
findreg_by_gasname:=0;
end;
function gas_regnum_search(const s:string):Tregister;
begin
result:=regnumber_table[findreg_by_gasname(s)];
end;
function gas_regname(r:Tregister):string;
var
p : tregisterindex;
begin
p:=findreg_by_number(r);
if p<>0 then
result:=gas_regname_table[p]
else
result:='%'+generic_regname(r);
end;
end.
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