Пример #1
0
        protected override void RunTest(Program program, string outputFile)
        {
            FileUnitTester fut = null;
            try
            {
                fut = new FileUnitTester(outputFile);
                var factory = program.TypeFactory;
                var store = program.TypeStore;

                var aen = new ExpressionNormalizer(program.Platform.PointerType);
                var eqb = new EquivalenceClassBuilder(factory, store);

                var tyco = new TypeCollector(factory, store, program);

                aen.Transform(program);
                eqb.Build(program);
                tyco.CollectTypes();
            } catch(Exception ex)
            {
                fut.TextWriter.WriteLine(ex.Message);
                fut.TextWriter.WriteLine(ex.StackTrace);
                throw;
            } finally
            {
                DumpProgAndStore(program, fut);
                fut.Dispose();
            }
        }
Пример #2
0
        protected override void RunTest(Program program, string outputFile)
        {
            var eventListener = new FakeDecompilerEventListener();
            using (FileUnitTester fut = new FileUnitTester(outputFile))
            {
                fut.TextWriter.WriteLine("// Before ///////");
                DumpProgram(program, fut.TextWriter);

                SetupPreStages(program);
                aen.Transform(program);
                eqb.Build(program);
                var coll = new TypeCollector(program.TypeFactory, program.TypeStore, program,eventListener);
                coll.CollectTypes();
                program.TypeStore.BuildEquivalenceClassDataTypes(program.TypeFactory);
                tvr.ReplaceTypeVariables();
                trans.Transform();
                ctn.RenameAllTypes(program.TypeStore);
                ter = new TypedExpressionRewriter(program, eventListener);
                try
                {
                    ter.RewriteProgram(program);
                }
                catch (Exception ex)
                {
                    fut.TextWriter.WriteLine("** Exception **");
                    fut.TextWriter.WriteLine(ex);
                }
                finally
                {
                    fut.TextWriter.WriteLine("// After ///////");
                    DumpProgAndStore(program, fut);
                }
            }
        }
Пример #3
0
        protected override void RunTest(Program program, string outputFileName)
        {
            ExpressionNormalizer aen = new ExpressionNormalizer(program.Architecture.PointerType);
            aen.Transform(program);
            EquivalenceClassBuilder eq = new EquivalenceClassBuilder(factory, store);
            eq.Build(program);
#if OLD
            			DataTypeBuilder dtb = new DataTypeBuilder(factory, store, program.Architecture);
			TraitCollector coll = new TraitCollector(factory, store, dtb, program);
			coll.CollectProgramTraits(program);
			dtb.BuildEquivalenceClassDataTypes();
#else
            TypeCollector coll = new TypeCollector(factory, store, program);
            coll.CollectTypes();
            store.BuildEquivalenceClassDataTypes(factory);
#endif

            TypeVariableReplacer tvr = new TypeVariableReplacer(store);
            tvr.ReplaceTypeVariables();

            TypeTransformer trans = new TypeTransformer(factory, store, program);
            trans.Transform();
            using (FileUnitTester fut = new FileUnitTester(outputFileName))
            {
                foreach (Procedure proc in program.Procedures.Values)
                {
                    proc.Write(false, fut.TextWriter);
                    fut.TextWriter.WriteLine();
                }
                store.Write(fut.TextWriter);
                fut.AssertFilesEqual();
            }
        }
Пример #4
0
 protected override void RunTest(Program prog, string outputFile)
 {
     aen.Transform(prog);
     eqb.Build(prog);
     TypeCollector trco = new TypeCollector(factory, store, prog);
     trco.CollectTypes();
     dtb.BuildEquivalenceClassDataTypes();
     Verify(prog, outputFile);
 }
Пример #5
0
		/// <summary>
		/// Performs type analysis and rewrites program based on the inferred information.
		/// </summary>
		/// <remarks>
		/// For instance, all MemoryAccesses will be converted to structure field
		/// accesses or array accesses as appropriate.
		/// </remarks>
		/// <param name="program"></param>
		public void RewriteProgram(Program program)
		{
            factory = program.TypeFactory;
            store = program.TypeStore;

            aen = new ExpressionNormalizer(program.Platform.PointerType);
            eqb = new EquivalenceClassBuilder(factory, store);
#if OLD
            dtb = new DataTypeBuilder(factory, store, program.Platform);
            trco = new TraitCollector(factory, store, dtb, program);
#else
            tyco = new TypeCollector(program.TypeFactory, program.TypeStore, program);
#endif
            //dpa = new DerivedPointerAnalysis(factory, store, program.Architecture);
            tvr = new TypeVariableReplacer(store);
            trans = new TypeTransformer(factory, store,program, eventListener);
            ctn = new ComplexTypeNamer();
            ter = new TypedExpressionRewriter(program);

            // RestrictProcedures(program, 0, 1, true); // Re-enable this for debugging
            eventListener.ShowStatus("Gathering primitive datatypes from instructions.");
			aen.Transform(program);
			eqb.Build(program);
#if OLD
            eventListener.ShowStatus("Collecting datatype usage traits.");
			trco.CollectProgramTraits(program);
            eventListener.ShowStatus("Building equivalence classes.");
			dtb.BuildEquivalenceClassDataTypes();
#else
            eventListener.ShowStatus("Collecting data types");
            tyco.CollectTypes();
            store.BuildEquivalenceClassDataTypes(factory);
#endif
            //dpa.FollowConstantPointers(prog);
            tvr.ReplaceTypeVariables();

            eventListener.ShowStatus("Transforming datatypes.");
			var ppr = new PtrPrimitiveReplacer(factory, store, program);
			ppr.ReplaceAll();

			trans.Transform();
			ctn.RenameAllTypes(store);
			store.Dump();
            eventListener.ShowStatus("Rewriting expressions.");
			ter.RewriteProgram(program);
		}
Пример #6
0
        /// <summary>
        /// Performs type analysis and rewrites program based on the inferred information.
        /// </summary>
        /// <remarks>
        /// For instance, all MemoryAccesses will be converted to structure field
        /// accesses or array accesses as appropriate.
        /// </remarks>
        /// <param name="program"></param>
        public void RewriteProgram(Program program)
        {
            factory = program.TypeFactory;
            store   = program.TypeStore;

            aen = new ExpressionNormalizer(program.Platform.PointerType);
            eqb = new EquivalenceClassBuilder(factory, store);
#if OLD
            dtb  = new DataTypeBuilder(factory, store, program.Platform);
            trco = new TraitCollector(factory, store, dtb, program);
#else
            tyco = new TypeCollector(program.TypeFactory, program.TypeStore, program);
#endif
            //dpa = new DerivedPointerAnalysis(factory, store, program.Architecture);
            tvr   = new TypeVariableReplacer(store);
            trans = new TypeTransformer(factory, store, program, eventListener);
            ctn   = new ComplexTypeNamer();
            ter   = new TypedExpressionRewriter(program);

            // RestrictProcedures(program, 0, 1, true); // Re-enable this for debugging
            eventListener.ShowStatus("Gathering primitive datatypes from instructions.");
            aen.Transform(program);
            eqb.Build(program);
#if OLD
            eventListener.ShowStatus("Collecting datatype usage traits.");
            trco.CollectProgramTraits(program);
            eventListener.ShowStatus("Building equivalence classes.");
            dtb.BuildEquivalenceClassDataTypes();
#else
            eventListener.ShowStatus("Collecting data types");
            tyco.CollectTypes();
            store.BuildEquivalenceClassDataTypes(factory);
#endif
            //dpa.FollowConstantPointers(prog);
            tvr.ReplaceTypeVariables();

            eventListener.ShowStatus("Transforming datatypes.");
            var ppr = new PtrPrimitiveReplacer(factory, store, program);
            ppr.ReplaceAll();

            trans.Transform();
            ctn.RenameAllTypes(store);
            store.Dump();
            eventListener.ShowStatus("Rewriting expressions.");
            ter.RewriteProgram(program);
        }
Пример #7
0
        protected override void RunTest(Program program, string outputFileName)
        {
            ExpressionNormalizer aen = new ExpressionNormalizer(program.Architecture.PointerType);
            aen.Transform(program);
            EquivalenceClassBuilder eq = new EquivalenceClassBuilder(factory, store);
            eq.Build(program);
#if OLD
			DataTypeBuilder dtb = new DataTypeBuilder(factory, store, program.Architecture);
			TraitCollector coll = new TraitCollector(factory, store, dtb, program);
			coll.CollectProgramTraits(program);
			sktore.BuildEquivalenceClassDataTypes(factory);
#else
            TypeCollector coll = new TypeCollector(factory, store, program, new FakeDecompilerEventListener());
            coll.CollectTypes();

            store.BuildEquivalenceClassDataTypes(factory);
#endif

            TypeVariableReplacer tvr = new TypeVariableReplacer(store);
            tvr.ReplaceTypeVariables();

            Exception theEx = null;
            try
            {
                TypeTransformer trans = new TypeTransformer(factory, store, program);
                trans.Transform();
            } catch (Exception ex)
            {
                theEx = ex;
            }
            using (FileUnitTester fut = new FileUnitTester(outputFileName))
            {
                if (theEx != null)
                {
                    fut.TextWriter.WriteLine(theEx.Message);
                    fut.TextWriter.WriteLine(theEx.StackTrace);
                }
                foreach (Procedure proc in program.Procedures.Values)
                {
                    proc.Write(false, fut.TextWriter);
                    fut.TextWriter.WriteLine();
                }
                store.Write(fut.TextWriter);
                fut.AssertFilesEqual();
            }
        }
Пример #8
0
        /// <summary>
        /// Performs type analysis and rewrites program based on the inferred
        /// information.
        /// </summary>
        /// <remarks>
        /// For instance, all MemoryAccesses will be converted to structure
        /// field accesses or array accesses as appropriate.
        /// </remarks>
        /// <param name="program"></param>
        public void RewriteProgram(Program program)
        {
            factory = program.TypeFactory;
            store   = program.TypeStore;
            var timer = new Stopwatch();

            aen  = new ExpressionNormalizer(program.Platform.PointerType);
            eqb  = new EquivalenceClassBuilder(factory, store, eventListener);
            tyco = new TypeCollector(
                program.TypeFactory, program.TypeStore, program,
                eventListener);
            //dpa = new DerivedPointerAnalysis(factory, store, program.Architecture);
            tvr   = new TypeVariableReplacer(store);
            trans = new TypeTransformer(factory, store, program, eventListener);
            ctn   = new ComplexTypeNamer();
            ter   = new TypedExpressionRewriter(program, eventListener);

            // RestrictProcedures(program, 0, 60, true); // Re-enable this for debugging
            Time("Normalizing expressions", () => aen.Transform(program));
            Time("Building equivalence classes", () => eqb.Build(program));
            Time("Collecting data types", tyco.CollectTypes);
            Time("Build eq. class data types", () => store.BuildEquivalenceClassDataTypes(factory));
            //dpa.FollowConstantPointers(program);
            Time("Replacing type variables", tvr.ReplaceTypeVariables);

            eventListener.ShowStatus("Transforming datatypes.");
            Time("Replace primitive types", () =>
            {
                var ppr = new PtrPrimitiveReplacer(factory, store, program);
                ppr.ReplaceAll(eventListener);
            });

            Time("Transforming data types", trans.Transform);
            Time("Renaming data types", () => ctn.RenameAllTypes(store));
            Time("Rewriting program with type information", () => ter.RewriteProgram(program));
        }
Пример #9
0
        protected void RunStringTest(Program program, string expectedOutput)
        {
            var sw = new StringWriter();
            sw.WriteLine("// Before ///////");
            DumpProgram(program, sw);

            var eventListener = new FakeDecompilerEventListener();
            SetupPreStages(program);
            aen.Transform(program);
            eqb.Build(program);
#if OLD
            coll = new TraitCollector(program.TypeFactory, program.TypeStore, dtb, program);
            coll.CollectProgramTraits(program);
#else
            var coll = new TypeCollector(program.TypeFactory, program.TypeStore, program, eventListener);
            coll.CollectTypes();
#endif
            program.TypeStore.BuildEquivalenceClassDataTypes(program.TypeFactory);
            tvr.ReplaceTypeVariables();
            trans.Transform();
            ctn.RenameAllTypes(program.TypeStore);

            var ter = new TypedExpressionRewriter(program, eventListener);
            try
            {
                ter.RewriteProgram(program);
            }
            catch (Exception ex)
            {
                sw.WriteLine("** Exception **");
                sw.WriteLine(ex);
                throw;
            }
            finally
            {
                sw.WriteLine("// After ///////");
                DumpProgram(program, sw);
            }
            var sActual = sw.ToString();
            if (expectedOutput != sActual)
            {
                Debug.Print(sActual);
                Assert.AreEqual(expectedOutput, sActual);
            }
        }