public ARCompactRewriter(ARCompactArchitecture arch, EndianImageReader rdr, ProcessorState state, IStorageBinder binder, IRewriterHost host)
{
this.arch = arch;
this.rdr = rdr;
this.state = state;
this.binder = binder;
this.host = host;
this.dasm = new ArcDisassembler(arch, rdr).GetEnumerator();
this.instr = null !;
this.m = null !;
}
public override ArcInstruction Decode(uint wInstr, ArcDisassembler dasm)
{
foreach (var m in mutators)
{
if (!m(wInstr, dasm))
{
return(dasm.CreateInvalidInstruction());
}
}
var instr = new ArcInstruction
{
InstructionClass = iclass,
Mnemonic = mnemonic,
Operands = dasm.ops.ToArray()
};
return(instr);
}
public IEnumerator <RtlInstructionCluster> GetEnumerator()
{
while (dasm.MoveNext())
{
this.instr = dasm.Current;
this.iclass = instr.InstructionClass;
var instrs = new List <RtlInstruction>();
m = new RtlEmitter(instrs);
switch (instr.Mnemonic)
{
case Mnemonic.abs:
case Mnemonic.abss:
case Mnemonic.abssw:
case Mnemonic.adds:
case Mnemonic.asls:
case Mnemonic.asrs:
case Mnemonic.ex:
case Mnemonic.jcc:
case Mnemonic.jcs:
case Mnemonic.jge:
case Mnemonic.jgt:
case Mnemonic.jhi:
case Mnemonic.jle:
case Mnemonic.jls:
case Mnemonic.jlt:
case Mnemonic.jmi:
case Mnemonic.jne:
case Mnemonic.jpl:
case Mnemonic.jpnz:
case Mnemonic.jvc:
case Mnemonic.jvs:
case Mnemonic.negs:
case Mnemonic.negsw:
case Mnemonic.norm:
case Mnemonic.normw:
case Mnemonic.rlc:
case Mnemonic.rnd16:
case Mnemonic.rrc:
case Mnemonic.sat16:
case Mnemonic.subs:
case Mnemonic.swap:
case Mnemonic.abs_s:
case Mnemonic.not_s:
case Mnemonic.unimp_s:
default:
EmitUnitTest(this.instr);
break;
case Mnemonic.Invalid:
this.iclass = InstrClass.Invalid;
m.Invalid();
break;
case Mnemonic.adc: RewriteAluOp(Adc, ZNCV); break;
case Mnemonic.add:
case Mnemonic.add_s:
RewriteAluOp(m.IAdd, ZNCV); break;
case Mnemonic.add1:
case Mnemonic.add1_s:
RewriteAluOp(Add1, ZNCV); break;
case Mnemonic.add2:
case Mnemonic.add2_s:
RewriteAluOp(Add2, ZNCV); break;
case Mnemonic.add3:
case Mnemonic.add3_s:
RewriteAluOp(Add3, ZNCV); break;
case Mnemonic.addsdw: RewriteAddSubsdw("__addsdw"); break;
case Mnemonic.and:
case Mnemonic.and_s:
RewriteAluOp(m.And, ZN); break;
case Mnemonic.asl:
case Mnemonic.asl_s:
RewriteShift(m.Shl, ZNCV); break;
case Mnemonic.asr:
case Mnemonic.asr_s:
RewriteShift(m.Sar, ZNCV); break;
case Mnemonic.b:
case Mnemonic.b_s: RewriteB(ArcCondition.AL); break;
case Mnemonic.bcc:
case Mnemonic.bhs_s: RewriteB(ArcCondition.CC); break;
case Mnemonic.bcs:
case Mnemonic.blo_s: RewriteB(ArcCondition.CS); break;
case Mnemonic.beq:
case Mnemonic.beq_s: RewriteB(ArcCondition.EQ); break;
case Mnemonic.bge:
case Mnemonic.bge_s: RewriteB(ArcCondition.GE); break;
case Mnemonic.bgt:
case Mnemonic.bgt_s: RewriteB(ArcCondition.GT); break;
case Mnemonic.bhi:
case Mnemonic.bhi_s: RewriteB(ArcCondition.HI); break;
case Mnemonic.ble:
case Mnemonic.ble_s: RewriteB(ArcCondition.LE); break;
case Mnemonic.bls:
case Mnemonic.bls_s: RewriteB(ArcCondition.LS); break;
case Mnemonic.blt:
case Mnemonic.blt_s: RewriteB(ArcCondition.LT); break;
case Mnemonic.bmi: RewriteB(ArcCondition.MI); break;
case Mnemonic.bne:
case Mnemonic.bne_s: RewriteB(ArcCondition.NE); break;
case Mnemonic.bpl: RewriteB(ArcCondition.PL); break;
case Mnemonic.bpnz: RewriteB(ArcCondition.PNZ); break;
case Mnemonic.bvc: RewriteB(ArcCondition.VC); break;
case Mnemonic.bvs: RewriteB(ArcCondition.VS); break;
case Mnemonic.bsc: RewriteB(ArcCondition.SC); break;
case Mnemonic.bss: RewriteB(ArcCondition.SS); break;
case Mnemonic.bbit0: RewriteBbit(false); break;
case Mnemonic.bbit1: RewriteBbit(true); break;
case Mnemonic.bclr:
case Mnemonic.bclr_s:
RewriteAluOp(Bclr, ZN); break;
case Mnemonic.bl:
case Mnemonic.bl_s:
RewriteBl(ArcCondition.AL); break;
case Mnemonic.blal: RewriteBl(ArcCondition.AL); break;
case Mnemonic.blcc: RewriteBl(ArcCondition.CC); break;
case Mnemonic.blcs: RewriteBl(ArcCondition.CS); break;
case Mnemonic.bleq: RewriteBl(ArcCondition.EQ); break;
case Mnemonic.blge: RewriteBl(ArcCondition.GE); break;
case Mnemonic.blgt: RewriteBl(ArcCondition.GT); break;
case Mnemonic.blhi: RewriteBl(ArcCondition.HI); break;
case Mnemonic.blle: RewriteBl(ArcCondition.LE); break;
case Mnemonic.blls: RewriteBl(ArcCondition.LS); break;
case Mnemonic.bllt: RewriteBl(ArcCondition.LT); break;
case Mnemonic.blmi: RewriteBl(ArcCondition.MI); break;
case Mnemonic.blne: RewriteBl(ArcCondition.NE); break;
case Mnemonic.blpl: RewriteBl(ArcCondition.PL); break;
case Mnemonic.blpnz: RewriteBl(ArcCondition.PNZ); break;
case Mnemonic.blvc: RewriteBl(ArcCondition.VC); break;
case Mnemonic.blvs: RewriteBl(ArcCondition.VS); break;
case Mnemonic.breq:
case Mnemonic.breq_s: RewriteBr(m.Eq); break;
case Mnemonic.brge: RewriteBr(m.Ge); break;
case Mnemonic.brhs: RewriteBr(m.Uge); break;
case Mnemonic.brlo: RewriteBr(m.Ult); break;
case Mnemonic.brlt: RewriteBr(m.Lt); break;
case Mnemonic.brne:
case Mnemonic.brne_s: RewriteBr(m.Ne); break;
case Mnemonic.brk:
case Mnemonic.brk_s:
RewriteBrk(); break;
case Mnemonic.bic:
case Mnemonic.bic_s:
RewriteAluOp(AndNot, ZN); break;
case Mnemonic.bmsk:
case Mnemonic.bmsk_s:
RewriteAluOp(Bmsk, ZN); break;
case Mnemonic.bset:
case Mnemonic.bset_s:
RewriteAluOp(Bset, ZN); break;
case Mnemonic.btst:
case Mnemonic.btst_s:
RewriteCondInstr(Btst, ZN); break;
case Mnemonic.bxor:
RewriteAluOp(Bxor, ZN); break;
case Mnemonic.cmp:
case Mnemonic.cmp_s:
RewriteCondInstr(m.ISub, ZNCV); break;
case Mnemonic.divaw: RewriteDivaw(); break;
case Mnemonic.extb:
case Mnemonic.extb_s:
RewriteExt(PrimitiveType.Byte, PrimitiveType.Word32); break;
case Mnemonic.extw:
case Mnemonic.extw_s:
RewriteExt(PrimitiveType.Word16, PrimitiveType.Word32); break;
case Mnemonic.flag: RewriteFlag(); break;
case Mnemonic.j:
case Mnemonic.j_s: RewriteJ(ArcCondition.AL); break;
case Mnemonic.jeq: RewriteJ(ArcCondition.EQ); break;
case Mnemonic.jl:
case Mnemonic.jl_s: RewriteJl(); break;
case Mnemonic.ld:
case Mnemonic.ld_s:
RewriteLoad(PrimitiveType.Word32); break;
case Mnemonic.ldb:
case Mnemonic.ldb_s:
RewriteLoad(PrimitiveType.Byte); break;
case Mnemonic.ldw:
case Mnemonic.ldw_s:
RewriteLoad(PrimitiveType.Word16); break;
case Mnemonic.lp: RewriteLp(ArcCondition.AL); break;
case Mnemonic.lpcc: RewriteLp(ArcCondition.CC); break;
case Mnemonic.lpcs: RewriteLp(ArcCondition.CS); break;
case Mnemonic.lpeq: RewriteLp(ArcCondition.EQ); break;
case Mnemonic.lpge: RewriteLp(ArcCondition.GE); break;
case Mnemonic.lpgt: RewriteLp(ArcCondition.GT); break;
case Mnemonic.lphi: RewriteLp(ArcCondition.HI); break;
case Mnemonic.lple: RewriteLp(ArcCondition.LE); break;
case Mnemonic.lpls: RewriteLp(ArcCondition.LS); break;
case Mnemonic.lplt: RewriteLp(ArcCondition.LT); break;
case Mnemonic.lpmi: RewriteLp(ArcCondition.MI); break;
case Mnemonic.lpne: RewriteLp(ArcCondition.NE); break;
case Mnemonic.lppl: RewriteLp(ArcCondition.PL); break;
case Mnemonic.lppnz: RewriteLp(ArcCondition.PNZ); break;
case Mnemonic.lpvc: RewriteLp(ArcCondition.VC); break;
case Mnemonic.lpvs: RewriteLp(ArcCondition.VS); break;
case Mnemonic.lr: RewriteLr(); break;
case Mnemonic.lsr:
case Mnemonic.lsr_s:
RewriteShift(m.Shr, ZNC); break;
case Mnemonic.max: RewriteAluOp(Max, ZNCV); break;
case Mnemonic.min: RewriteAluOp(Min, ZNCV); break;
case Mnemonic.mov:
case Mnemonic.mov_s:
RewriteMov(); break;
case Mnemonic.mul64:
case Mnemonic.mul64_s:
RewriteMul(m.SMul, PrimitiveType.Int64); break;
case Mnemonic.mulu64:
RewriteMul(m.UMul, PrimitiveType.UInt64); break;
case Mnemonic.neg_s: RewriteAluOp(m.Neg, ZNCV); break;
case Mnemonic.nop: m.Nop(); break;
case Mnemonic.not: RewriteAluOp(m.Comp, ZN); break;
case Mnemonic.or:
case Mnemonic.or_s:
RewriteAluOp(m.Or, ZN); break;
case Mnemonic.pop_s: RewritePop(); break;
case Mnemonic.push_s: RewritePush(); break;
case Mnemonic.rcmp: RewriteCondInstr(Rsub, ZNCV); break;
case Mnemonic.ror: RewriteShift(Ror, ZNC); break;
case Mnemonic.rsub: RewriteAluOp(Rsub, ZNCV); break;
case Mnemonic.sbc: RewriteAluOp(Sbc, ZNCV); break;
case Mnemonic.sexb:
case Mnemonic.sexb_s:
RewriteExt(PrimitiveType.SByte, PrimitiveType.Int32); break;
case Mnemonic.sexw:
case Mnemonic.sexw_s:
RewriteExt(PrimitiveType.Int16, PrimitiveType.Int32); break;
case Mnemonic.sr: RewriteSr(); break;
case Mnemonic.st:
case Mnemonic.st_s:
RewriteStore(PrimitiveType.Word32); break;
case Mnemonic.stb:
case Mnemonic.stb_s:
RewriteStore(PrimitiveType.Byte); break;
case Mnemonic.stw:
case Mnemonic.stw_s:
RewriteStore(PrimitiveType.Word16); break;
case Mnemonic.sub:
case Mnemonic.sub_s:
RewriteAluOp(m.ISub, ZNCV); break;
case Mnemonic.sub1: RewriteAluOp(Sub1, ZNCV); break;
case Mnemonic.sub2: RewriteAluOp(Sub2, ZNCV); break;
case Mnemonic.sub3: RewriteAluOp(Sub3, ZNCV); break;
case Mnemonic.subsdw: RewriteAddSubsdw("__subsdw"); break;
case Mnemonic.trap_s:
case Mnemonic.trap0:
RewriteTrap();
break;
case Mnemonic.tst:
case Mnemonic.tst_s:
RewriteCondInstr(m.And, ZN); break;
case Mnemonic.xor:
case Mnemonic.xor_s:
RewriteAluOp(m.Xor, ZN); break;
}
TryHandlingZeroOverheadLoop();
yield return(new RtlInstructionCluster(instr.Address, instr.Length, instrs.ToArray())
{
Class = iclass
});
}
}
