示例#1
0
 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 !;
 }
示例#2
0
            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);
            }
示例#3
0
        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
                });
            }
        }