public CppMidCompiler(CppBuilder builder, CppClass cls, CppMethod method, ExceptionHandlingRegion mainRegion, string frameVarName, VReg[] args, VReg[] locals, VReg[] temporaries) { m_builder = builder; m_cls = cls; m_method = method; m_mainRegion = mainRegion; m_args = args; m_locals = locals; m_temporaries = temporaries; m_frameVarName = frameVarName; m_instructionStream = new MemoryStream(); m_instructionWriter = new StreamWriter(m_instructionStream); m_regAllocator = new CppRegisterAllocator(builder); }
public CfgBuilder(ExceptionHandlingRegion region, CppBuilder builder, CppClass cls, CppMethod method, VReg[] args, VReg[] locals, IList<VReg> temporaries) { m_builder = builder; m_cls = cls; m_method = method; m_args = args; m_locals = locals; m_temporaries = temporaries; m_instrs = method.MethodDef.Method.Instructions; m_inClass = cls.TypeDef; m_inMethod = method.MethodDef; m_region = region; m_startInstr = (int)region.StartInstr; m_endInstr = (int)region.EndInstr; m_ehClusters = region.Clusters; LocateBranchTargets(); ConstructCfg(); CreateSuccessionGraph(); }
public static string StorageLocForVReg(VReg vReg, bool makeLive, bool zombify) { return vReg.SlotName; }
public SsaVRegMapping(SsaRegister ssaReg, VReg vReg) { m_ssaReg = ssaReg; m_vReg = vReg; }
private VReg GetTemporary(VType vType) { foreach (VReg vReg in m_temporaries) if (vReg.VType.Equals(vType)) return vReg; int slot = m_temporaries.Count + m_cfgNode.CfgBuilder.Locals.Length + m_cfgNode.CfgBuilder.Args.Length; VReg newVReg = new VReg(m_cppBuilder, "temp_", vType, slot, VReg.UsageEnum.Temporary); m_temporaries.Add(newVReg); return newVReg; }
private VReg NewDeadReg(VType vType, VReg.UsageEnum usage) { VReg newReg = new VReg(m_builder, "bVReg", vType, m_registers.Count, usage); m_registers.Add(newReg); return newReg; }
public static void WriteMethodCode(Clarity.Rpa.HighFileBuilder fileBuilder, BinaryWriter writer, CppBuilder builder, CppClass cls, CppMethod method) { List<VReg> args = new List<VReg>(); if (!method.Static) { CppClass thisClass = builder.GetCachedClass(method.DeclaredInClassSpec); CLRTypeSpec thisTypeSpec = method.DeclaredInClassSpec; VType vt = new VType(thisClass.IsValueType ? VType.ValTypeEnum.ManagedPtr : VType.ValTypeEnum.ReferenceValue, thisTypeSpec); args.Add(new VReg(builder, "bThis", vt, args.Count, VReg.UsageEnum.Argument)); } foreach (CLRMethodSignatureInstanceParam param in method.MethodSignature.ParamTypes) { CLRTypeSpec spec = param.Type; VType vt; switch (param.TypeOfType) { case CLRSigParamOrRetType.TypeOfTypeEnum.ByRef: vt = new VType(VType.ValTypeEnum.ManagedPtr, spec); break; case CLRSigParamOrRetType.TypeOfTypeEnum.Value: vt = new VType(ValTypeForTypeSpec(builder, spec), spec); break; default: throw new ArgumentException(); } args.Add(new VReg(builder, "bParam", vt, args.Count, VReg.UsageEnum.Argument)); } List<VReg> locals = new List<VReg>(); CLRSigLocalVarSig localVarSig = method.MethodDef.Method.LocalVarSig; if (localVarSig != null) { foreach (CLRSigLocalVar localVar in localVarSig.LocalVars) { if (localVar.Constraints != null && localVar.Constraints.Length > 0) throw new NotSupportedException("Local var constraints are not supported"); if (localVar.CustomMods != null && localVar.CustomMods.Length > 0) throw new NotSupportedException("Local var custom mods are not supported"); CLRTypeSpec localTypeSpec = builder.Assemblies.InternVagueType(localVar.Type); VReg vreg = null; switch (localVar.VarKind) { case CLRSigLocalVar.LocalVarKind.ByRef: vreg = new VReg(builder, "bLocal", new VType(VType.ValTypeEnum.ManagedPtr, localTypeSpec), locals.Count, VReg.UsageEnum.Local); break; case CLRSigLocalVar.LocalVarKind.Default: vreg = new VReg(builder, "bLocal", new VType(CppCilExporter.ValTypeForTypeSpec(builder, localTypeSpec), localTypeSpec), locals.Count, VReg.UsageEnum.Local); break; default: throw new NotImplementedException(); } locals.Add(vreg); } } foreach (VReg vReg in locals) vReg.Liven(); foreach (VReg vReg in args) vReg.Liven(); List<VReg> temporaries = new List<VReg>(); ExceptionHandlingRegion mainRegion = new ExceptionHandlingRegion(null, builder, method, 0, (uint)method.MethodDef.Method.Instructions.Length - 1, null); { CfgBuilder cfgBuilder = new CfgBuilder(mainRegion, builder, cls, method, args.ToArray(), locals.ToArray(), temporaries); mainRegion.RootCfgNode = cfgBuilder.RootNode; } CppMidCompiler midCompiler = new CppMidCompiler(builder, cls, method, mainRegion, "bTLFrame", args.ToArray(), locals.ToArray(), temporaries.ToArray()); midCompiler.EmitAll(fileBuilder, writer); //MidCompile(builder, cls, method, mainRegion, args.ToArray(), locals.ToArray(), writer.BaseStream); foreach (VReg vReg in locals) { if (!vReg.IsAlive || vReg.IsZombie) throw new Exception("Internal error: local vreg was killed"); } foreach (VReg vReg in args) { if (!vReg.IsAlive || vReg.IsZombie) throw new Exception("Internal error: arg vreg was killed"); } }
public MidInstruction(OpcodeEnum opcode, CodeLocationTag codeLocation, VReg vRegArg, SsaRegister regArg) { Opcode = opcode; CodeLocation = codeLocation; VRegArg = vRegArg; RegArg = regArg; }