Exemplo n.º 1
0
 void WriteTypeParameters(ITextOutput output, IGenericParameterProvider p)
 {
     if (p.HasGenericParameters)
     {
         output.Write('<');
         for (int i = 0; i < p.GenericParameters.Count; i++)
         {
             if (i > 0)
             {
                 output.Write(", ");
             }
             GenericParameter gp = p.GenericParameters[i];
             if (gp.HasReferenceTypeConstraint)
             {
                 output.Write("class ");
             }
             else if (gp.HasNotNullableValueTypeConstraint)
             {
                 output.Write("valuetype ");
             }
             if (gp.HasDefaultConstructorConstraint)
             {
                 output.Write(".ctor ");
             }
             if (gp.HasConstraints)
             {
                 output.Write('(');
                 for (int j = 0; j < gp.Constraints.Count; j++)
                 {
                     if (j > 0)
                     {
                         output.Write(", ");
                     }
                     gp.Constraints[j].WriteTo(output, ILNameSyntax.TypeName);
                 }
                 output.Write(") ");
             }
             if (gp.IsContravariant)
             {
                 output.Write('-');
             }
             else if (gp.IsCovariant)
             {
                 output.Write('+');
             }
             output.Write(DisassemblerHelpers.Escape(gp.Name));
         }
         output.Write('>');
     }
 }
Exemplo n.º 2
0
        public void DisassembleEvent(EventDefinition ev)
        {
            // set current member
            currentMember = ev;

            output.WriteDefinition(".event ", ev);
            WriteFlags(ev.Attributes, eventAttributes);
            ev.EventType.WriteTo(output, ILNameSyntax.TypeName);
            output.Write(' ');
            output.Write(DisassemblerHelpers.Escape(ev.Name));
            OpenBlock(false);
            WriteAttributes(ev.CustomAttributes);
            WriteNestedMethod(".addon", ev.AddMethod);
            WriteNestedMethod(".removeon", ev.RemoveMethod);
            WriteNestedMethod(".fire", ev.InvokeMethod);
            foreach (var method in ev.OtherMethods)
            {
                WriteNestedMethod(".other", method);
            }
            CloseBlock();
        }
Exemplo n.º 3
0
        public void DisassembleNamespace(string nameSpace, IEnumerable <TypeDefinition> types)
        {
            if (!string.IsNullOrEmpty(nameSpace))
            {
                output.Write(".namespace " + DisassemblerHelpers.Escape(nameSpace));
                OpenBlock(false);
            }
            bool oldIsInType = isInType;

            isInType = true;
            foreach (TypeDefinition td in types)
            {
                verifyProgress();
                DisassembleType(td);
                output.WriteLine();
            }
            if (!string.IsNullOrEmpty(nameSpace))
            {
                CloseBlock();
                isInType = oldIsInType;
            }
        }
Exemplo n.º 4
0
 public void WriteAssemblyReferences(ModuleDefinition module)
 {
     foreach (var mref in module.ModuleReferences)
     {
         output.WriteLine(".module extern {0}", DisassemblerHelpers.Escape(mref.Name));
     }
     foreach (var aref in module.AssemblyReferences)
     {
         output.Write(".assembly extern {0}", DisassemblerHelpers.Escape(aref.Name));
         OpenBlock(false);
         if (aref.PublicKeyToken != null)
         {
             output.Write(".publickeytoken = ");
             WriteBlob(aref.PublicKeyToken);
             output.WriteLine();
         }
         if (aref.Version != null)
         {
             output.WriteLine(".ver {0}:{1}:{2}:{3}", aref.Version.Major, aref.Version.Minor, aref.Version.Build, aref.Version.Revision);
         }
         CloseBlock();
     }
 }
Exemplo n.º 5
0
        public void DisassembleProperty(PropertyDefinition property)
        {
            // set current member
            currentMember = property;

            output.WriteDefinition(".property ", property);
            WriteFlags(property.Attributes, propertyAttributes);
            if (property.HasThis)
            {
                output.Write("instance ");
            }
            property.PropertyType.WriteTo(output);
            output.Write(' ');
            output.Write(DisassemblerHelpers.Escape(property.Name));

            output.Write("(");
            if (property.HasParameters)
            {
                output.WriteLine();
                output.Indent();
                WriteParameters(property.Parameters);
                output.Unindent();
            }
            output.Write(")");

            OpenBlock(false);
            WriteAttributes(property.CustomAttributes);
            WriteNestedMethod(".get", property.GetMethod);
            WriteNestedMethod(".set", property.SetMethod);

            foreach (var method in property.OtherMethods)
            {
                WriteNestedMethod(".other", method);
            }
            CloseBlock();
        }
Exemplo n.º 6
0
        public void Disassemble(MethodBody body, MemberMapping methodMapping)
        {
            // start writing IL code
            MethodDefinition method = body.Method;

            output.WriteLine("// Method begins at RVA 0x{0:x4}", method.RVA);
            output.WriteLine("// Code size {0} (0x{0:x})", body.CodeSize);
            output.WriteLine(".maxstack {0}", body.MaxStackSize);
            if (method.DeclaringType.Module.Assembly.EntryPoint == method)
            {
                output.WriteLine(".entrypoint");
            }

            if (method.Body.HasVariables)
            {
                output.Write(".locals ");
                if (method.Body.InitLocals)
                {
                    output.Write("init ");
                }
                output.WriteLine("(");
                output.Indent();
                foreach (var v in method.Body.Variables)
                {
                    output.WriteDefinition("[" + v.Index + "] ", v);
                    v.VariableType.WriteTo(output);
                    if (!string.IsNullOrEmpty(v.Name))
                    {
                        output.Write(' ');
                        output.Write(DisassemblerHelpers.Escape(v.Name));
                    }
                    if (v.Index + 1 < method.Body.Variables.Count)
                    {
                        output.Write(',');
                    }
                    output.WriteLine();
                }
                output.Unindent();
                output.WriteLine(")");
            }
            output.WriteLine();

            if (detectControlStructure && body.Instructions.Count > 0)
            {
                Instruction   inst          = body.Instructions[0];
                HashSet <int> branchTargets = GetBranchTargets(body.Instructions);
                WriteStructureBody(new ILStructure(body), branchTargets, ref inst, methodMapping, method.Body.CodeSize);
            }
            else
            {
                foreach (var inst in method.Body.Instructions)
                {
                    inst.WriteTo(output);

                    if (methodMapping != null)
                    {
                        // add IL code mappings - used in debugger
                        methodMapping.MemberCodeMappings.Add(
                            new SourceCodeMapping()
                        {
                            SourceCodeLine      = output.CurrentLine,
                            ILInstructionOffset = new ILRange {
                                From = inst.Offset, To = inst.Next == null ? method.Body.CodeSize : inst.Next.Offset
                            },
                            MemberMapping = methodMapping
                        });
                    }

                    output.WriteLine();
                }
                if (method.Body.HasExceptionHandlers)
                {
                    output.WriteLine();
                    foreach (var eh in method.Body.ExceptionHandlers)
                    {
                        eh.WriteTo(output);
                        output.WriteLine();
                    }
                }
            }
        }
Exemplo n.º 7
0
        void WriteSecurityDeclarations(ISecurityDeclarationProvider secDeclProvider)
        {
            if (!secDeclProvider.HasSecurityDeclarations)
            {
                return;
            }
            foreach (var secdecl in secDeclProvider.SecurityDeclarations)
            {
                output.Write(".permissionset ");
                switch (secdecl.Action)
                {
                case SecurityAction.Request:
                    output.Write("request");
                    break;

                case SecurityAction.Demand:
                    output.Write("demand");
                    break;

                case SecurityAction.Assert:
                    output.Write("assert");
                    break;

                case SecurityAction.Deny:
                    output.Write("deny");
                    break;

                case SecurityAction.PermitOnly:
                    output.Write("permitonly");
                    break;

                case SecurityAction.LinkDemand:
                    output.Write("linkcheck");
                    break;

                case SecurityAction.InheritDemand:
                    output.Write("inheritcheck");
                    break;

                case SecurityAction.RequestMinimum:
                    output.Write("reqmin");
                    break;

                case SecurityAction.RequestOptional:
                    output.Write("reqopt");
                    break;

                case SecurityAction.RequestRefuse:
                    output.Write("reqrefuse");
                    break;

                case SecurityAction.PreJitGrant:
                    output.Write("prejitgrant");
                    break;

                case SecurityAction.PreJitDeny:
                    output.Write("prejitdeny");
                    break;

                case SecurityAction.NonCasDemand:
                    output.Write("noncasdemand");
                    break;

                case SecurityAction.NonCasLinkDemand:
                    output.Write("noncaslinkdemand");
                    break;

                case SecurityAction.NonCasInheritance:
                    output.Write("noncasinheritance");
                    break;

                default:
                    output.Write(secdecl.Action.ToString());
                    break;
                }
                output.WriteLine(" = {");
                output.Indent();
                for (int i = 0; i < secdecl.SecurityAttributes.Count; i++)
                {
                    SecurityAttribute sa = secdecl.SecurityAttributes[i];
                    if (sa.AttributeType.Scope == sa.AttributeType.Module)
                    {
                        output.Write("class ");
                        output.Write(DisassemblerHelpers.Escape(GetAssemblyQualifiedName(sa.AttributeType)));
                    }
                    else
                    {
                        sa.AttributeType.WriteTo(output, ILNameSyntax.TypeName);
                    }
                    output.Write(" = {");
                    if (sa.HasFields || sa.HasProperties)
                    {
                        output.WriteLine();
                        output.Indent();

                        foreach (CustomAttributeNamedArgument na in sa.Fields)
                        {
                            output.Write("field ");
                            WriteSecurityDeclarationArgument(na);
                            output.WriteLine();
                        }

                        foreach (CustomAttributeNamedArgument na in sa.Properties)
                        {
                            output.Write("property ");
                            WriteSecurityDeclarationArgument(na);
                            output.WriteLine();
                        }

                        output.Unindent();
                    }
                    output.Write('}');

                    if (i + 1 < secdecl.SecurityAttributes.Count)
                    {
                        output.Write(',');
                    }
                    output.WriteLine();
                }
                output.Unindent();
                output.WriteLine("}");
            }
        }
Exemplo n.º 8
0
        void DisassembleMethodInternal(MethodDefinition method)
        {
            //    .method public hidebysig  specialname
            //               instance default class [mscorlib]System.IO.TextWriter get_BaseWriter ()  cil managed
            //

            //emit flags
            WriteEnum(method.Attributes & MethodAttributes.MemberAccessMask, methodVisibility);
            WriteFlags(method.Attributes & ~MethodAttributes.MemberAccessMask, methodAttributeFlags);
            if (method.IsCompilerControlled)
            {
                output.Write("privatescope ");
            }

            if ((method.Attributes & MethodAttributes.PInvokeImpl) == MethodAttributes.PInvokeImpl)
            {
                output.Write("pinvokeimpl");
                if (method.HasPInvokeInfo && method.PInvokeInfo != null)
                {
                    PInvokeInfo info = method.PInvokeInfo;
                    output.Write("(\"" + CSharp.OutputVisitor.ConvertString(info.Module.Name) + "\"");

                    if (!string.IsNullOrEmpty(info.EntryPoint) && info.EntryPoint != method.Name)
                    {
                        output.Write(" as \"" + CSharp.OutputVisitor.ConvertString(info.EntryPoint) + "\"");
                    }

                    if (info.IsNoMangle)
                    {
                        output.Write(" nomangle");
                    }

                    if (info.IsCharSetAnsi)
                    {
                        output.Write(" ansi");
                    }
                    else if (info.IsCharSetAuto)
                    {
                        output.Write(" autochar");
                    }
                    else if (info.IsCharSetUnicode)
                    {
                        output.Write(" unicode");
                    }

                    if (info.SupportsLastError)
                    {
                        output.Write(" lasterr");
                    }

                    if (info.IsCallConvCdecl)
                    {
                        output.Write(" cdecl");
                    }
                    else if (info.IsCallConvFastcall)
                    {
                        output.Write(" fastcall");
                    }
                    else if (info.IsCallConvStdCall)
                    {
                        output.Write(" stdcall");
                    }
                    else if (info.IsCallConvThiscall)
                    {
                        output.Write(" thiscall");
                    }
                    else if (info.IsCallConvWinapi)
                    {
                        output.Write(" winapi");
                    }

                    output.Write(')');
                }
                output.Write(' ');
            }

            output.WriteLine();
            output.Indent();
            if (method.ExplicitThis)
            {
                output.Write("instance explicit ");
            }
            else if (method.HasThis)
            {
                output.Write("instance ");
            }

            //call convention
            WriteEnum(method.CallingConvention & (MethodCallingConvention)0x1f, callingConvention);

            //return type
            method.ReturnType.WriteTo(output);
            output.Write(' ');
            if (method.MethodReturnType.HasMarshalInfo)
            {
                WriteMarshalInfo(method.MethodReturnType.MarshalInfo);
            }

            if (method.IsCompilerControlled)
            {
                output.Write(DisassemblerHelpers.Escape(method.Name + "$PST" + method.MetadataToken.ToInt32().ToString("X8")));
            }
            else
            {
                output.Write(DisassemblerHelpers.Escape(method.Name));
            }

            WriteTypeParameters(output, method);

            //( params )
            output.Write(" (");
            if (method.HasParameters)
            {
                output.WriteLine();
                output.Indent();
                WriteParameters(method.Parameters);
                output.Unindent();
            }
            output.Write(") ");
            //cil managed
            WriteEnum(method.ImplAttributes & MethodImplAttributes.CodeTypeMask, methodCodeType);
            if ((method.ImplAttributes & MethodImplAttributes.ManagedMask) == MethodImplAttributes.Managed)
            {
                output.Write("managed ");
            }
            else
            {
                output.Write("unmanaged ");
            }
            WriteFlags(method.ImplAttributes & ~(MethodImplAttributes.CodeTypeMask | MethodImplAttributes.ManagedMask), methodImpl);

            output.Unindent();
            OpenBlock(defaultCollapsed: isInType);
            WriteAttributes(method.CustomAttributes);
            if (method.HasOverrides)
            {
                foreach (var methodOverride in method.Overrides)
                {
                    output.Write(".override method ");
                    methodOverride.WriteTo(output);
                    output.WriteLine();
                }
            }
            foreach (var p in method.Parameters)
            {
                WriteParameterAttributes(p);
            }
            WriteSecurityDeclarations(method);

            if (method.HasBody)
            {
                // create IL code mappings - used in debugger
                CreateCodeMappings(method.MetadataToken.ToInt32(), currentMember);
                MemberMapping methodMapping = method.CreateCodeMapping(this.CodeMappings[method.MetadataToken.ToInt32()], currentMember);
                methodBodyDisassembler.Disassemble(method.Body, methodMapping);
            }

            CloseBlock("end of method " + DisassemblerHelpers.Escape(method.DeclaringType.Name) + "::" + DisassemblerHelpers.Escape(method.Name));
        }
Exemplo n.º 9
0
        public void DisassembleType(TypeDefinition type)
        {
            // start writing IL
            output.WriteDefinition(".class ", type);

            if ((type.Attributes & TypeAttributes.ClassSemanticMask) == TypeAttributes.Interface)
            {
                output.Write("interface ");
            }
            WriteEnum(type.Attributes & TypeAttributes.VisibilityMask, typeVisibility);
            WriteEnum(type.Attributes & TypeAttributes.LayoutMask, typeLayout);
            WriteEnum(type.Attributes & TypeAttributes.StringFormatMask, typeStringFormat);
            const TypeAttributes masks = TypeAttributes.ClassSemanticMask | TypeAttributes.VisibilityMask | TypeAttributes.LayoutMask | TypeAttributes.StringFormatMask;

            WriteFlags(type.Attributes & ~masks, typeAttributes);

            output.Write(DisassemblerHelpers.Escape(type.DeclaringType != null ? type.Name : type.FullName));
            WriteTypeParameters(output, type);
            output.MarkFoldStart(defaultCollapsed: isInType);
            output.WriteLine();

            if (type.BaseType != null)
            {
                output.Indent();
                output.Write("extends ");
                type.BaseType.WriteTo(output, ILNameSyntax.TypeName);
                output.WriteLine();
                output.Unindent();
            }
            if (type.HasInterfaces)
            {
                output.Indent();
                for (int index = 0; index < type.Interfaces.Count; index++)
                {
                    if (index > 0)
                    {
                        output.WriteLine(",");
                    }
                    if (index == 0)
                    {
                        output.Write("implements ");
                    }
                    else
                    {
                        output.Write("           ");
                    }
                    type.Interfaces[index].WriteTo(output, ILNameSyntax.TypeName);
                }
                output.WriteLine();
                output.Unindent();
            }

            output.WriteLine("{");
            output.Indent();
            bool oldIsInType = isInType;

            isInType = true;
            WriteAttributes(type.CustomAttributes);
            WriteSecurityDeclarations(type);
            if (type.HasLayoutInfo)
            {
                output.WriteLine(".pack {0}", type.PackingSize);
                output.WriteLine(".size {0}", type.ClassSize);
                output.WriteLine();
            }
            if (type.HasNestedTypes)
            {
                output.WriteLine("// Nested Types");
                foreach (var nestedType in type.NestedTypes)
                {
                    verifyProgress();
                    DisassembleType(nestedType);
                    output.WriteLine();
                }
                output.WriteLine();
            }
            if (type.HasFields)
            {
                output.WriteLine("// Fields");
                foreach (var field in type.Fields)
                {
                    verifyProgress();
                    DisassembleField(field);
                }
                output.WriteLine();
            }
            if (type.HasMethods)
            {
                output.WriteLine("// Methods");
                foreach (var m in type.Methods)
                {
                    verifyProgress();
                    DisassembleMethod(m);
                    output.WriteLine();
                }
            }
            if (type.HasEvents)
            {
                output.WriteLine("// Events");
                foreach (var ev in type.Events)
                {
                    verifyProgress();
                    DisassembleEvent(ev);
                    output.WriteLine();
                }
                output.WriteLine();
            }
            if (type.HasProperties)
            {
                output.WriteLine("// Properties");
                foreach (var prop in type.Properties)
                {
                    verifyProgress();
                    DisassembleProperty(prop);
                }
                output.WriteLine();
            }
            CloseBlock("end of class " + (type.DeclaringType != null ? type.Name : type.FullName));
            isInType = oldIsInType;
        }