2011-10-17 06:22:22 +08:00
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/*
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Copyright (C) 2011 de4dot@gmail.com
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This file is part of de4dot.
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de4dot is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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de4dot is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with de4dot. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System;
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using System.Collections.Generic;
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using Mono.Cecil;
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using Mono.Cecil.Cil;
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namespace de4dot.blocks.cflow {
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2011-10-26 20:17:33 +08:00
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public class InstructionEmulator {
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2011-10-17 06:22:22 +08:00
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ValueStack valueStack = new ValueStack();
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IList<ParameterDefinition> parameterDefinitions;
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IList<VariableDefinition> variableDefinitions;
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List<Value> args = new List<Value>();
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List<Value> locals = new List<Value>();
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2011-10-24 02:12:10 +08:00
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int argBase;
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2011-10-17 06:22:22 +08:00
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2011-10-26 20:17:33 +08:00
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public InstructionEmulator() {
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}
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public InstructionEmulator(bool hasThis, bool initLocals, IList<ParameterDefinition> parameterDefinitions, IList<VariableDefinition> variableDefinitions) {
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init(hasThis, initLocals, parameterDefinitions, variableDefinitions);
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}
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2011-10-22 01:32:37 +08:00
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public void init(bool hasThis, bool initLocals, IList<ParameterDefinition> parameterDefinitions, IList<VariableDefinition> variableDefinitions) {
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2011-10-17 06:22:22 +08:00
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this.parameterDefinitions = parameterDefinitions;
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this.variableDefinitions = variableDefinitions;
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valueStack.init();
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2011-10-17 13:28:53 +08:00
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args.Clear();
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2011-10-24 02:12:10 +08:00
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argBase = 0;
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if (hasThis) {
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argBase = 1;
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2011-10-22 01:32:37 +08:00
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args.Add(new UnknownValue());
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2011-10-24 02:12:10 +08:00
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}
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2011-10-17 13:28:53 +08:00
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foreach (var arg in parameterDefinitions)
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args.Add(getUnknownValue(arg.ParameterType));
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2011-10-17 06:22:22 +08:00
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if (initLocals) {
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locals.Clear();
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2011-10-17 13:28:53 +08:00
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foreach (var local in variableDefinitions)
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locals.Add(getDefaultValue(local.VariableType));
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}
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else {
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locals.Clear();
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foreach (var local in variableDefinitions)
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locals.Add(getUnknownValue(local.VariableType));
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}
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}
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static Value getDefaultValue(TypeReference typeReference) {
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2011-10-18 03:34:00 +08:00
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if (typeReference == null)
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return new UnknownValue();
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2011-10-17 13:28:53 +08:00
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if (!typeReference.IsValueType)
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return NullValue.Instance;
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else if (DotNetUtils.isAssembly(typeReference.Scope, "mscorlib")) {
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switch (typeReference.FullName) {
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case "System.Boolean":
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case "System.SByte":
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2011-10-22 00:45:59 +08:00
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case "System.Byte":
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2011-10-17 13:28:53 +08:00
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case "System.Int16":
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case "System.UInt16":
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2011-10-22 00:45:59 +08:00
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case "System.Int32":
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2011-10-17 13:28:53 +08:00
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case "System.UInt32":
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return new Int32Value(0);
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case "System.Int64":
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case "System.UInt64":
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return new Int64Value(0);
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case "System.Single":
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case "System.Double":
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return new Real8Value(0);
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2011-10-17 06:22:22 +08:00
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}
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}
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2011-10-17 13:28:53 +08:00
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return new UnknownValue();
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2011-10-17 06:22:22 +08:00
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}
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2011-10-17 13:28:53 +08:00
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static Value getUnknownValue(TypeReference typeReference) {
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2011-10-18 03:34:00 +08:00
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if (typeReference == null)
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return new UnknownValue();
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2011-10-17 13:28:53 +08:00
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if (DotNetUtils.isAssembly(typeReference.Scope, "mscorlib")) {
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switch (typeReference.FullName) {
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case "System.Boolean": return Int32Value.createUnknownBool();
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case "System.SByte": return Int32Value.createUnknown();
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2011-10-22 00:45:59 +08:00
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case "System.Byte": return Int32Value.createUnknownUInt8();
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2011-10-17 13:28:53 +08:00
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case "System.Int16": return Int32Value.createUnknown();
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case "System.UInt16": return Int32Value.createUnknownUInt16();
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2011-10-22 00:45:59 +08:00
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case "System.Int32": return Int32Value.createUnknown();
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2011-10-17 13:28:53 +08:00
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case "System.UInt32": return Int32Value.createUnknown();
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case "System.Int64": return Int64Value.createUnknown();
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case "System.UInt64": return Int64Value.createUnknown();
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}
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}
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return new UnknownValue();
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2011-10-17 06:22:22 +08:00
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}
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2011-10-22 00:45:59 +08:00
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static Value truncateValue(Value value, TypeReference typeReference) {
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if (typeReference == null)
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return value;
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if (DotNetUtils.isAssembly(typeReference.Scope, "mscorlib")) {
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switch (typeReference.FullName) {
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case "System.Boolean":
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if (value.isInt32())
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return ((Int32Value)value).toBoolean();
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return Int32Value.createUnknownBool();
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case "System.SByte":
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if (value.isInt32())
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return ((Int32Value)value).toInt8();
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return Int32Value.createUnknown();
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case "System.Byte":
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if (value.isInt32())
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return ((Int32Value)value).toUInt8();
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return Int32Value.createUnknownUInt8();
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case "System.Int16":
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if (value.isInt32())
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return ((Int32Value)value).toInt16();
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return Int32Value.createUnknown();
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case "System.UInt16":
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if (value.isInt32())
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return ((Int32Value)value).toUInt16();
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return Int32Value.createUnknownUInt16();
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case "System.Int32":
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case "System.UInt32":
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if (value.isInt32())
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return value;
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return Int32Value.createUnknown();
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case "System.Int64":
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case "System.UInt64":
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if (value.isInt64())
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return value;
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return Int64Value.createUnknown();
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}
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}
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return value;
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}
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2011-10-17 06:22:22 +08:00
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static Value getValue(List<Value> list, int i) {
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if (0 <= i && i < list.Count)
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return list[i];
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return new UnknownValue();
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}
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2011-10-19 05:31:50 +08:00
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public Value getArg(int i) {
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2011-10-17 06:22:22 +08:00
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return getValue(args, i);
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}
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2011-10-24 02:12:10 +08:00
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int index(ParameterDefinition arg) {
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return arg.Index + argBase;
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}
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2011-10-19 05:31:50 +08:00
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public Value getArg(ParameterDefinition arg) {
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2011-10-24 02:12:10 +08:00
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return getArg(index(arg));
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}
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TypeReference getArgType(int index) {
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index -= argBase;
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if (0 <= index && index < parameterDefinitions.Count)
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return parameterDefinitions[index].ParameterType;
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return null;
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2011-10-17 06:22:22 +08:00
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}
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void setArg(int index, Value value) {
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if (0 <= index && index < args.Count)
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2011-10-24 02:12:10 +08:00
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args[index] = truncateValue(value, getArgType(index));
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2011-10-17 06:22:22 +08:00
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}
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2011-10-17 13:28:53 +08:00
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Value getUnknownArg(int index) {
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2011-10-24 02:12:10 +08:00
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return getUnknownValue(getArgType(index));
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2011-10-17 13:28:53 +08:00
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}
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2011-10-19 05:31:50 +08:00
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public Value getLocal(int i) {
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2011-10-17 06:22:22 +08:00
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return getValue(locals, i);
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}
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2011-10-19 05:31:50 +08:00
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public Value getLocal(VariableDefinition local) {
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2011-10-17 06:22:22 +08:00
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return getLocal(local.Index);
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}
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void setLocal(int index, Value value) {
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if (0 <= index && index < locals.Count)
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2011-10-22 00:45:59 +08:00
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locals[index] = truncateValue(value, variableDefinitions[index].VariableType);
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2011-10-17 06:22:22 +08:00
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}
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2011-10-17 13:28:53 +08:00
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Value getUnknownLocal(int index) {
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if (0 <= index && index < variableDefinitions.Count)
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return getUnknownValue(variableDefinitions[index].VariableType);
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return new UnknownValue();
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}
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2011-10-26 20:17:33 +08:00
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public void push(Value value) {
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valueStack.push(value);
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}
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2011-10-17 06:22:22 +08:00
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public Value pop() {
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return valueStack.pop();
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}
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2011-10-19 05:31:50 +08:00
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public void emulate(IEnumerable<Instr> instructions) {
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foreach (var instr in instructions)
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emulate(instr.Instruction);
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}
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2012-01-02 21:23:10 +08:00
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public void emulate(IList<Instr> instructions, int start, int end) {
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for (int i = start; i < end; i++)
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emulate(instructions[i].Instruction);
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}
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2011-10-17 06:22:22 +08:00
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public void emulate(Instruction instr) {
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switch (instr.OpCode.Code) {
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case Code.Starg:
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2011-10-24 02:12:10 +08:00
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case Code.Starg_S: emulate_Starg((ParameterDefinition)instr.Operand); break;
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2011-10-17 06:22:22 +08:00
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case Code.Stloc:
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case Code.Stloc_S: emulate_Stloc(((VariableDefinition)instr.Operand).Index); break;
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case Code.Stloc_0: emulate_Stloc(0); break;
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case Code.Stloc_1: emulate_Stloc(1); break;
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case Code.Stloc_2: emulate_Stloc(2); break;
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case Code.Stloc_3: emulate_Stloc(3); break;
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case Code.Ldarg:
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case Code.Ldarg_S: valueStack.push(getArg((ParameterDefinition)instr.Operand)); break;
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case Code.Ldarg_0: valueStack.push(getArg(0)); break;
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case Code.Ldarg_1: valueStack.push(getArg(1)); break;
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case Code.Ldarg_2: valueStack.push(getArg(2)); break;
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case Code.Ldarg_3: valueStack.push(getArg(3)); break;
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case Code.Ldloc:
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case Code.Ldloc_S: valueStack.push(getLocal((VariableDefinition)instr.Operand)); break;
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case Code.Ldloc_0: valueStack.push(getLocal(0)); break;
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case Code.Ldloc_1: valueStack.push(getLocal(1)); break;
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case Code.Ldloc_2: valueStack.push(getLocal(2)); break;
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case Code.Ldloc_3: valueStack.push(getLocal(3)); break;
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case Code.Ldarga:
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2011-10-24 02:12:10 +08:00
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case Code.Ldarga_S: emulate_Ldarga((ParameterDefinition)instr.Operand); break;
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2011-10-17 06:22:22 +08:00
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case Code.Ldloca:
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case Code.Ldloca_S: emulate_Ldloca(((VariableDefinition)instr.Operand).Index); break;
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case Code.Dup: valueStack.copyTop(); break;
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case Code.Ldc_I4: valueStack.push(new Int32Value((int)instr.Operand)); break;
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case Code.Ldc_I4_S: valueStack.push(new Int32Value((sbyte)instr.Operand)); break;
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case Code.Ldc_I8: valueStack.push(new Int64Value((long)instr.Operand)); break;
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case Code.Ldc_R4: valueStack.push(new Real8Value((float)instr.Operand)); break;
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case Code.Ldc_R8: valueStack.push(new Real8Value((double)instr.Operand)); break;
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case Code.Ldc_I4_0: valueStack.push(new Int32Value(0)); break;
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case Code.Ldc_I4_1: valueStack.push(new Int32Value(1)); break;
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case Code.Ldc_I4_2: valueStack.push(new Int32Value(2)); break;
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case Code.Ldc_I4_3: valueStack.push(new Int32Value(3)); break;
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case Code.Ldc_I4_4: valueStack.push(new Int32Value(4)); break;
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case Code.Ldc_I4_5: valueStack.push(new Int32Value(5)); break;
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case Code.Ldc_I4_6: valueStack.push(new Int32Value(6)); break;
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case Code.Ldc_I4_7: valueStack.push(new Int32Value(7)); break;
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case Code.Ldc_I4_8: valueStack.push(new Int32Value(8)); break;
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case Code.Ldc_I4_M1:valueStack.push(new Int32Value(-1)); break;
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case Code.Ldnull: valueStack.push(NullValue.Instance); break;
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case Code.Ldstr: valueStack.push(new StringValue((string)instr.Operand)); break;
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case Code.Box: valueStack.push(new BoxedValue(valueStack.pop())); break;
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case Code.Conv_U1: emulate_Conv_U1(instr); break;
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case Code.Conv_U2: emulate_Conv_U2(instr); break;
|
|
|
|
|
case Code.Conv_U4: emulate_Conv_U4(instr); break;
|
|
|
|
|
case Code.Conv_U8: emulate_Conv_U8(instr); break;
|
|
|
|
|
case Code.Conv_I1: emulate_Conv_I1(instr); break;
|
|
|
|
|
case Code.Conv_I2: emulate_Conv_I2(instr); break;
|
|
|
|
|
case Code.Conv_I4: emulate_Conv_I4(instr); break;
|
|
|
|
|
case Code.Conv_I8: emulate_Conv_I8(instr); break;
|
|
|
|
|
case Code.Add: emulate_Add(instr); break;
|
|
|
|
|
case Code.Sub: emulate_Sub(instr); break;
|
|
|
|
|
case Code.Mul: emulate_Mul(instr); break;
|
|
|
|
|
case Code.Div: emulate_Div(instr); break;
|
|
|
|
|
case Code.Div_Un: emulate_Div_Un(instr); break;
|
|
|
|
|
case Code.Rem: emulate_Rem(instr); break;
|
|
|
|
|
case Code.Rem_Un: emulate_Rem_Un(instr); break;
|
|
|
|
|
case Code.Neg: emulate_Neg(instr); break;
|
|
|
|
|
case Code.And: emulate_And(instr); break;
|
|
|
|
|
case Code.Or: emulate_Or(instr); break;
|
|
|
|
|
case Code.Xor: emulate_Xor(instr); break;
|
|
|
|
|
case Code.Not: emulate_Not(instr); break;
|
|
|
|
|
case Code.Shl: emulate_Shl(instr); break;
|
|
|
|
|
case Code.Shr: emulate_Shr(instr); break;
|
|
|
|
|
case Code.Shr_Un: emulate_Shr_Un(instr); break;
|
|
|
|
|
case Code.Ceq: emulate_Ceq(instr); break;
|
|
|
|
|
case Code.Cgt: emulate_Cgt(instr); break;
|
|
|
|
|
case Code.Cgt_Un: emulate_Cgt_Un(instr); break;
|
|
|
|
|
case Code.Clt: emulate_Clt(instr); break;
|
|
|
|
|
case Code.Clt_Un: emulate_Clt_Un(instr); break;
|
|
|
|
|
case Code.Unbox_Any:emulate_Unbox_Any(instr); break;
|
|
|
|
|
|
2011-10-17 13:28:53 +08:00
|
|
|
|
case Code.Call: emulate_Call(instr); break;
|
|
|
|
|
case Code.Callvirt: emulate_Callvirt(instr); break;
|
|
|
|
|
|
2011-10-18 03:34:00 +08:00
|
|
|
|
case Code.Castclass: emulate_Castclass(instr); break;
|
|
|
|
|
case Code.Isinst: emulate_Isinst(instr); break;
|
|
|
|
|
|
2011-10-18 14:17:21 +08:00
|
|
|
|
case Code.Add_Ovf: emulateIntOps2(); break;
|
2011-10-18 03:34:00 +08:00
|
|
|
|
case Code.Add_Ovf_Un: emulateIntOps2(); break;
|
2011-10-18 14:17:21 +08:00
|
|
|
|
case Code.Sub_Ovf: emulateIntOps2(); break;
|
2011-10-18 03:34:00 +08:00
|
|
|
|
case Code.Sub_Ovf_Un: emulateIntOps2(); break;
|
2011-10-18 14:17:21 +08:00
|
|
|
|
case Code.Mul_Ovf: emulateIntOps2(); break;
|
2011-10-18 03:34:00 +08:00
|
|
|
|
case Code.Mul_Ovf_Un: emulateIntOps2(); break;
|
|
|
|
|
|
|
|
|
|
case Code.Conv_Ovf_I1:
|
|
|
|
|
case Code.Conv_Ovf_I1_Un: valueStack.pop(); valueStack.push(Int32Value.createUnknown()); break;
|
|
|
|
|
case Code.Conv_Ovf_I2:
|
|
|
|
|
case Code.Conv_Ovf_I2_Un: valueStack.pop(); valueStack.push(Int32Value.createUnknown()); break;
|
|
|
|
|
case Code.Conv_Ovf_I4:
|
|
|
|
|
case Code.Conv_Ovf_I4_Un: valueStack.pop(); valueStack.push(Int32Value.createUnknown()); break;
|
|
|
|
|
case Code.Conv_Ovf_I8:
|
|
|
|
|
case Code.Conv_Ovf_I8_Un: valueStack.pop(); valueStack.push(Int64Value.createUnknown()); break;
|
|
|
|
|
case Code.Conv_Ovf_U1:
|
|
|
|
|
case Code.Conv_Ovf_U1_Un: valueStack.pop(); valueStack.push(Int32Value.createUnknownUInt8()); break;
|
|
|
|
|
case Code.Conv_Ovf_U2:
|
|
|
|
|
case Code.Conv_Ovf_U2_Un: valueStack.pop(); valueStack.push(Int32Value.createUnknownUInt16()); break;
|
|
|
|
|
case Code.Conv_Ovf_U4:
|
|
|
|
|
case Code.Conv_Ovf_U4_Un: valueStack.pop(); valueStack.push(Int32Value.createUnknown()); break;
|
|
|
|
|
case Code.Conv_Ovf_U8:
|
|
|
|
|
case Code.Conv_Ovf_U8_Un: valueStack.pop(); valueStack.push(Int64Value.createUnknown()); break;
|
|
|
|
|
|
|
|
|
|
case Code.Ldelem_I1: valueStack.pop(2); valueStack.push(Int32Value.createUnknown()); break;
|
|
|
|
|
case Code.Ldelem_I2: valueStack.pop(2); valueStack.push(Int32Value.createUnknown()); break;
|
|
|
|
|
case Code.Ldelem_I4: valueStack.pop(2); valueStack.push(Int32Value.createUnknown()); break;
|
|
|
|
|
case Code.Ldelem_I8: valueStack.pop(2); valueStack.push(Int64Value.createUnknown()); break;
|
|
|
|
|
case Code.Ldelem_U1: valueStack.pop(2); valueStack.push(Int32Value.createUnknownUInt8()); break;
|
|
|
|
|
case Code.Ldelem_U2: valueStack.pop(2); valueStack.push(Int32Value.createUnknownUInt16()); break;
|
|
|
|
|
case Code.Ldelem_U4: valueStack.pop(2); valueStack.push(Int32Value.createUnknown()); break;
|
2011-10-18 14:17:21 +08:00
|
|
|
|
case Code.Ldelem_Any:valueStack.pop(2); valueStack.push(getUnknownValue(instr.Operand as TypeReference)); break;
|
2011-10-18 03:34:00 +08:00
|
|
|
|
|
|
|
|
|
case Code.Ldind_I1: valueStack.pop(); valueStack.push(Int32Value.createUnknown()); break;
|
|
|
|
|
case Code.Ldind_I2: valueStack.pop(); valueStack.push(Int32Value.createUnknown()); break;
|
|
|
|
|
case Code.Ldind_I4: valueStack.pop(); valueStack.push(Int32Value.createUnknown()); break;
|
|
|
|
|
case Code.Ldind_I8: valueStack.pop(); valueStack.push(Int64Value.createUnknown()); break;
|
|
|
|
|
case Code.Ldind_U1: valueStack.pop(); valueStack.push(Int32Value.createUnknownUInt8()); break;
|
|
|
|
|
case Code.Ldind_U2: valueStack.pop(); valueStack.push(Int32Value.createUnknownUInt16()); break;
|
|
|
|
|
case Code.Ldind_U4: valueStack.pop(); valueStack.push(Int32Value.createUnknown()); break;
|
|
|
|
|
|
|
|
|
|
case Code.Ldlen: valueStack.pop(); valueStack.push(Int32Value.createUnknown()); break;
|
|
|
|
|
case Code.Sizeof: valueStack.push(Int32Value.createUnknown()); break;
|
|
|
|
|
|
|
|
|
|
case Code.Ldfld: emulate_Ldfld(instr); break;
|
|
|
|
|
case Code.Ldsfld: emulate_Ldsfld(instr); break;
|
2011-10-17 06:22:22 +08:00
|
|
|
|
|
|
|
|
|
case Code.Unbox:
|
|
|
|
|
|
|
|
|
|
case Code.Conv_R_Un:
|
|
|
|
|
case Code.Conv_R4:
|
|
|
|
|
case Code.Conv_R8:
|
|
|
|
|
|
|
|
|
|
case Code.Arglist:
|
|
|
|
|
case Code.Beq:
|
|
|
|
|
case Code.Beq_S:
|
|
|
|
|
case Code.Bge:
|
|
|
|
|
case Code.Bge_S:
|
|
|
|
|
case Code.Bge_Un:
|
|
|
|
|
case Code.Bge_Un_S:
|
|
|
|
|
case Code.Bgt:
|
|
|
|
|
case Code.Bgt_S:
|
|
|
|
|
case Code.Bgt_Un:
|
|
|
|
|
case Code.Bgt_Un_S:
|
|
|
|
|
case Code.Ble:
|
|
|
|
|
case Code.Ble_S:
|
|
|
|
|
case Code.Ble_Un:
|
|
|
|
|
case Code.Ble_Un_S:
|
|
|
|
|
case Code.Blt:
|
|
|
|
|
case Code.Blt_S:
|
|
|
|
|
case Code.Blt_Un:
|
|
|
|
|
case Code.Blt_Un_S:
|
|
|
|
|
case Code.Bne_Un:
|
|
|
|
|
case Code.Bne_Un_S:
|
|
|
|
|
case Code.Brfalse:
|
|
|
|
|
case Code.Brfalse_S:
|
|
|
|
|
case Code.Brtrue:
|
|
|
|
|
case Code.Brtrue_S:
|
|
|
|
|
case Code.Br:
|
|
|
|
|
case Code.Br_S:
|
2011-10-18 03:34:00 +08:00
|
|
|
|
case Code.Break:
|
2011-10-17 06:22:22 +08:00
|
|
|
|
case Code.Calli:
|
|
|
|
|
case Code.Ckfinite:
|
|
|
|
|
case Code.Constrained:
|
|
|
|
|
case Code.Conv_I:
|
|
|
|
|
case Code.Conv_Ovf_I:
|
|
|
|
|
case Code.Conv_Ovf_I_Un:
|
|
|
|
|
case Code.Conv_Ovf_U:
|
|
|
|
|
case Code.Conv_Ovf_U_Un:
|
|
|
|
|
case Code.Conv_U:
|
|
|
|
|
case Code.Cpblk:
|
|
|
|
|
case Code.Cpobj:
|
|
|
|
|
case Code.Endfilter:
|
|
|
|
|
case Code.Endfinally:
|
|
|
|
|
case Code.Initblk:
|
|
|
|
|
case Code.Initobj:
|
|
|
|
|
case Code.Jmp:
|
|
|
|
|
case Code.Ldelema:
|
|
|
|
|
case Code.Ldelem_I:
|
|
|
|
|
case Code.Ldelem_R4:
|
|
|
|
|
case Code.Ldelem_R8:
|
|
|
|
|
case Code.Ldelem_Ref:
|
|
|
|
|
case Code.Ldflda:
|
|
|
|
|
case Code.Ldftn:
|
|
|
|
|
case Code.Ldind_I:
|
|
|
|
|
case Code.Ldind_R4:
|
|
|
|
|
case Code.Ldind_R8:
|
|
|
|
|
case Code.Ldind_Ref:
|
|
|
|
|
case Code.Ldobj:
|
|
|
|
|
case Code.Ldsflda:
|
|
|
|
|
case Code.Ldtoken:
|
|
|
|
|
case Code.Ldvirtftn:
|
|
|
|
|
case Code.Leave:
|
|
|
|
|
case Code.Leave_S:
|
|
|
|
|
case Code.Localloc:
|
|
|
|
|
case Code.Mkrefany:
|
|
|
|
|
case Code.Newarr:
|
|
|
|
|
case Code.Newobj:
|
|
|
|
|
case Code.No:
|
|
|
|
|
case Code.Nop:
|
|
|
|
|
case Code.Pop:
|
|
|
|
|
case Code.Readonly:
|
|
|
|
|
case Code.Refanytype:
|
|
|
|
|
case Code.Refanyval:
|
|
|
|
|
case Code.Ret:
|
|
|
|
|
case Code.Rethrow:
|
|
|
|
|
case Code.Stelem_Any:
|
|
|
|
|
case Code.Stelem_I:
|
|
|
|
|
case Code.Stelem_I1:
|
|
|
|
|
case Code.Stelem_I2:
|
|
|
|
|
case Code.Stelem_I4:
|
|
|
|
|
case Code.Stelem_I8:
|
|
|
|
|
case Code.Stelem_R4:
|
|
|
|
|
case Code.Stelem_R8:
|
|
|
|
|
case Code.Stelem_Ref:
|
|
|
|
|
case Code.Stfld:
|
|
|
|
|
case Code.Stind_I:
|
|
|
|
|
case Code.Stind_I1:
|
|
|
|
|
case Code.Stind_I2:
|
|
|
|
|
case Code.Stind_I4:
|
|
|
|
|
case Code.Stind_I8:
|
|
|
|
|
case Code.Stind_R4:
|
|
|
|
|
case Code.Stind_R8:
|
|
|
|
|
case Code.Stind_Ref:
|
|
|
|
|
case Code.Stobj:
|
|
|
|
|
case Code.Stsfld:
|
|
|
|
|
case Code.Switch:
|
|
|
|
|
case Code.Tail:
|
|
|
|
|
case Code.Throw:
|
|
|
|
|
case Code.Unaligned:
|
|
|
|
|
case Code.Volatile:
|
|
|
|
|
default:
|
|
|
|
|
updateStack(instr);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void updateStack(Instruction instr) {
|
|
|
|
|
int pushes, pops;
|
|
|
|
|
DotNetUtils.calculateStackUsage(instr, false, out pushes, out pops);
|
|
|
|
|
if (pops == -1)
|
|
|
|
|
valueStack.clear();
|
|
|
|
|
else {
|
|
|
|
|
valueStack.pop(pops);
|
|
|
|
|
valueStack.push(pushes);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulate_Conv_U1(Instruction instr) {
|
|
|
|
|
var val1 = valueStack.pop();
|
|
|
|
|
switch (val1.valueType) {
|
2011-10-17 13:28:53 +08:00
|
|
|
|
case ValueType.Int32: valueStack.push(Int32Value.Conv_U1((Int32Value)val1)); break;
|
|
|
|
|
case ValueType.Int64: valueStack.push(Int32Value.Conv_U1((Int64Value)val1)); break;
|
|
|
|
|
case ValueType.Real8: valueStack.push(Int32Value.Conv_U1((Real8Value)val1)); break;
|
2011-11-02 08:19:18 +08:00
|
|
|
|
default: valueStack.push(Int32Value.createUnknownUInt8()); break;
|
2011-10-17 06:22:22 +08:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulate_Conv_I1(Instruction instr) {
|
|
|
|
|
var val1 = valueStack.pop();
|
|
|
|
|
switch (val1.valueType) {
|
2011-10-17 13:28:53 +08:00
|
|
|
|
case ValueType.Int32: valueStack.push(Int32Value.Conv_I1((Int32Value)val1)); break;
|
|
|
|
|
case ValueType.Int64: valueStack.push(Int32Value.Conv_I1((Int64Value)val1)); break;
|
|
|
|
|
case ValueType.Real8: valueStack.push(Int32Value.Conv_I1((Real8Value)val1)); break;
|
2011-11-02 08:19:18 +08:00
|
|
|
|
default: valueStack.push(Int32Value.createUnknown()); break;
|
2011-10-17 06:22:22 +08:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulate_Conv_U2(Instruction instr) {
|
|
|
|
|
var val1 = valueStack.pop();
|
|
|
|
|
switch (val1.valueType) {
|
2011-10-17 13:28:53 +08:00
|
|
|
|
case ValueType.Int32: valueStack.push(Int32Value.Conv_U2((Int32Value)val1)); break;
|
|
|
|
|
case ValueType.Int64: valueStack.push(Int32Value.Conv_U2((Int64Value)val1)); break;
|
|
|
|
|
case ValueType.Real8: valueStack.push(Int32Value.Conv_U2((Real8Value)val1)); break;
|
2011-11-02 08:19:18 +08:00
|
|
|
|
default: valueStack.push(Int32Value.createUnknownUInt16()); break;
|
2011-10-17 06:22:22 +08:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulate_Conv_I2(Instruction instr) {
|
|
|
|
|
var val1 = valueStack.pop();
|
|
|
|
|
switch (val1.valueType) {
|
2011-10-17 13:28:53 +08:00
|
|
|
|
case ValueType.Int32: valueStack.push(Int32Value.Conv_I2((Int32Value)val1)); break;
|
|
|
|
|
case ValueType.Int64: valueStack.push(Int32Value.Conv_I2((Int64Value)val1)); break;
|
|
|
|
|
case ValueType.Real8: valueStack.push(Int32Value.Conv_I2((Real8Value)val1)); break;
|
2011-11-02 08:19:18 +08:00
|
|
|
|
default: valueStack.push(Int32Value.createUnknown()); break;
|
2011-10-17 06:22:22 +08:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulate_Conv_U4(Instruction instr) {
|
|
|
|
|
var val1 = valueStack.pop();
|
|
|
|
|
switch (val1.valueType) {
|
2011-10-17 13:28:53 +08:00
|
|
|
|
case ValueType.Int32: valueStack.push(Int32Value.Conv_U4((Int32Value)val1)); break;
|
|
|
|
|
case ValueType.Int64: valueStack.push(Int32Value.Conv_U4((Int64Value)val1)); break;
|
|
|
|
|
case ValueType.Real8: valueStack.push(Int32Value.Conv_U4((Real8Value)val1)); break;
|
2011-11-02 08:19:18 +08:00
|
|
|
|
default: valueStack.push(Int32Value.createUnknown()); break;
|
2011-10-17 06:22:22 +08:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulate_Conv_I4(Instruction instr) {
|
|
|
|
|
var val1 = valueStack.pop();
|
|
|
|
|
switch (val1.valueType) {
|
2011-10-17 13:28:53 +08:00
|
|
|
|
case ValueType.Int32: valueStack.push(Int32Value.Conv_I4((Int32Value)val1)); break;
|
|
|
|
|
case ValueType.Int64: valueStack.push(Int32Value.Conv_I4((Int64Value)val1)); break;
|
|
|
|
|
case ValueType.Real8: valueStack.push(Int32Value.Conv_I4((Real8Value)val1)); break;
|
2011-11-02 08:19:18 +08:00
|
|
|
|
default: valueStack.push(Int32Value.createUnknown()); break;
|
2011-10-17 06:22:22 +08:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulate_Conv_U8(Instruction instr) {
|
|
|
|
|
var val1 = valueStack.pop();
|
|
|
|
|
switch (val1.valueType) {
|
2011-10-17 13:28:53 +08:00
|
|
|
|
case ValueType.Int32: valueStack.push(Int64Value.Conv_U8((Int32Value)val1)); break;
|
|
|
|
|
case ValueType.Int64: valueStack.push(Int64Value.Conv_U8((Int64Value)val1)); break;
|
|
|
|
|
case ValueType.Real8: valueStack.push(Int64Value.Conv_U8((Real8Value)val1)); break;
|
2011-11-02 08:19:18 +08:00
|
|
|
|
default: valueStack.push(Int64Value.createUnknown()); break;
|
2011-10-17 06:22:22 +08:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulate_Conv_I8(Instruction instr) {
|
|
|
|
|
var val1 = valueStack.pop();
|
|
|
|
|
switch (val1.valueType) {
|
2011-10-17 13:28:53 +08:00
|
|
|
|
case ValueType.Int32: valueStack.push(Int64Value.Conv_I8((Int32Value)val1)); break;
|
|
|
|
|
case ValueType.Int64: valueStack.push(Int64Value.Conv_I8((Int64Value)val1)); break;
|
|
|
|
|
case ValueType.Real8: valueStack.push(Int64Value.Conv_I8((Real8Value)val1)); break;
|
2011-11-02 08:19:18 +08:00
|
|
|
|
default: valueStack.push(Int64Value.createUnknown()); break;
|
2011-10-17 06:22:22 +08:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulate_Add(Instruction instr) {
|
|
|
|
|
var val2 = valueStack.pop();
|
|
|
|
|
var val1 = valueStack.pop();
|
|
|
|
|
|
2011-10-19 05:31:50 +08:00
|
|
|
|
if (val1.isInt32() && val2.isInt32())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int32Value.Add((Int32Value)val1, (Int32Value)val2));
|
2011-10-19 05:31:50 +08:00
|
|
|
|
else if (val1.isInt64() && val2.isInt64())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int64Value.Add((Int64Value)val1, (Int64Value)val2));
|
2011-10-19 05:31:50 +08:00
|
|
|
|
else if (val1.isReal8() && val2.isReal8())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Real8Value.Add((Real8Value)val1, (Real8Value)val2));
|
|
|
|
|
else
|
2011-10-17 06:22:22 +08:00
|
|
|
|
valueStack.pushUnknown();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulate_Sub(Instruction instr) {
|
|
|
|
|
var val2 = valueStack.pop();
|
|
|
|
|
var val1 = valueStack.pop();
|
|
|
|
|
|
2011-10-19 05:31:50 +08:00
|
|
|
|
if (val1.isInt32() && val2.isInt32())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int32Value.Sub((Int32Value)val1, (Int32Value)val2));
|
2011-10-19 05:31:50 +08:00
|
|
|
|
else if (val1.isInt64() && val2.isInt64())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int64Value.Sub((Int64Value)val1, (Int64Value)val2));
|
2011-10-19 05:31:50 +08:00
|
|
|
|
else if (val1.isReal8() && val2.isReal8())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Real8Value.Sub((Real8Value)val1, (Real8Value)val2));
|
|
|
|
|
else
|
2011-10-17 06:22:22 +08:00
|
|
|
|
valueStack.pushUnknown();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulate_Mul(Instruction instr) {
|
|
|
|
|
var val2 = valueStack.pop();
|
|
|
|
|
var val1 = valueStack.pop();
|
|
|
|
|
|
2011-10-19 05:31:50 +08:00
|
|
|
|
if (val1.isInt32() && val2.isInt32())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int32Value.Mul((Int32Value)val1, (Int32Value)val2));
|
2011-10-19 05:31:50 +08:00
|
|
|
|
else if (val1.isInt64() && val2.isInt64())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int64Value.Mul((Int64Value)val1, (Int64Value)val2));
|
2011-10-19 05:31:50 +08:00
|
|
|
|
else if (val1.isReal8() && val2.isReal8())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Real8Value.Mul((Real8Value)val1, (Real8Value)val2));
|
|
|
|
|
else
|
2011-10-17 06:22:22 +08:00
|
|
|
|
valueStack.pushUnknown();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulate_Div(Instruction instr) {
|
|
|
|
|
var val2 = valueStack.pop();
|
|
|
|
|
var val1 = valueStack.pop();
|
|
|
|
|
|
2011-10-19 05:31:50 +08:00
|
|
|
|
if (val1.isInt32() && val2.isInt32())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int32Value.Div((Int32Value)val1, (Int32Value)val2));
|
2011-10-19 05:31:50 +08:00
|
|
|
|
else if (val1.isInt64() && val2.isInt64())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int64Value.Div((Int64Value)val1, (Int64Value)val2));
|
2011-10-19 05:31:50 +08:00
|
|
|
|
else if (val1.isReal8() && val2.isReal8())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Real8Value.Div((Real8Value)val1, (Real8Value)val2));
|
|
|
|
|
else
|
2011-10-17 06:22:22 +08:00
|
|
|
|
valueStack.pushUnknown();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulate_Div_Un(Instruction instr) {
|
|
|
|
|
var val2 = valueStack.pop();
|
|
|
|
|
var val1 = valueStack.pop();
|
|
|
|
|
|
2011-10-19 05:31:50 +08:00
|
|
|
|
if (val1.isInt32() && val2.isInt32())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int32Value.Div_Un((Int32Value)val1, (Int32Value)val2));
|
2011-10-19 05:31:50 +08:00
|
|
|
|
else if (val1.isInt64() && val2.isInt64())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int64Value.Div_Un((Int64Value)val1, (Int64Value)val2));
|
|
|
|
|
else
|
2011-10-17 06:22:22 +08:00
|
|
|
|
valueStack.pushUnknown();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulate_Rem(Instruction instr) {
|
|
|
|
|
var val2 = valueStack.pop();
|
|
|
|
|
var val1 = valueStack.pop();
|
|
|
|
|
|
2011-10-19 05:31:50 +08:00
|
|
|
|
if (val1.isInt32() && val2.isInt32())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int32Value.Rem((Int32Value)val1, (Int32Value)val2));
|
2011-10-19 05:31:50 +08:00
|
|
|
|
else if (val1.isInt64() && val2.isInt64())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int64Value.Rem((Int64Value)val1, (Int64Value)val2));
|
2011-10-19 05:31:50 +08:00
|
|
|
|
else if (val1.isReal8() && val2.isReal8())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Real8Value.Rem((Real8Value)val1, (Real8Value)val2));
|
|
|
|
|
else
|
2011-10-17 06:22:22 +08:00
|
|
|
|
valueStack.pushUnknown();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulate_Rem_Un(Instruction instr) {
|
|
|
|
|
var val2 = valueStack.pop();
|
|
|
|
|
var val1 = valueStack.pop();
|
|
|
|
|
|
2011-10-19 05:31:50 +08:00
|
|
|
|
if (val1.isInt32() && val2.isInt32())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int32Value.Rem_Un((Int32Value)val1, (Int32Value)val2));
|
2011-10-19 05:31:50 +08:00
|
|
|
|
else if (val1.isInt64() && val2.isInt64())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int64Value.Rem_Un((Int64Value)val1, (Int64Value)val2));
|
|
|
|
|
else
|
2011-10-17 06:22:22 +08:00
|
|
|
|
valueStack.pushUnknown();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulate_Neg(Instruction instr) {
|
|
|
|
|
var val1 = valueStack.pop();
|
|
|
|
|
|
2011-10-19 05:31:50 +08:00
|
|
|
|
if (val1.isInt32())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int32Value.Neg((Int32Value)val1));
|
2011-10-19 05:31:50 +08:00
|
|
|
|
else if (val1.isInt64())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int64Value.Neg((Int64Value)val1));
|
2011-10-19 05:31:50 +08:00
|
|
|
|
else if (val1.isReal8())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Real8Value.Neg((Real8Value)val1));
|
2011-10-17 06:22:22 +08:00
|
|
|
|
else
|
|
|
|
|
valueStack.pushUnknown();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulate_And(Instruction instr) {
|
|
|
|
|
var val2 = valueStack.pop();
|
|
|
|
|
var val1 = valueStack.pop();
|
|
|
|
|
|
2011-10-19 05:31:50 +08:00
|
|
|
|
if (val1.isInt32() && val2.isInt32())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int32Value.And((Int32Value)val1, (Int32Value)val2));
|
2011-10-19 05:31:50 +08:00
|
|
|
|
else if (val1.isInt64() && val2.isInt64())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int64Value.And((Int64Value)val1, (Int64Value)val2));
|
|
|
|
|
else
|
2011-10-17 06:22:22 +08:00
|
|
|
|
valueStack.pushUnknown();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulate_Or(Instruction instr) {
|
|
|
|
|
var val2 = valueStack.pop();
|
|
|
|
|
var val1 = valueStack.pop();
|
|
|
|
|
|
2011-10-19 05:31:50 +08:00
|
|
|
|
if (val1.isInt32() && val2.isInt32())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int32Value.Or((Int32Value)val1, (Int32Value)val2));
|
2011-10-19 05:31:50 +08:00
|
|
|
|
else if (val1.isInt64() && val2.isInt64())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int64Value.Or((Int64Value)val1, (Int64Value)val2));
|
|
|
|
|
else
|
2011-10-17 06:22:22 +08:00
|
|
|
|
valueStack.pushUnknown();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulate_Xor(Instruction instr) {
|
|
|
|
|
var val2 = valueStack.pop();
|
|
|
|
|
var val1 = valueStack.pop();
|
|
|
|
|
|
2011-10-19 05:31:50 +08:00
|
|
|
|
if (val1.isInt32() && val2.isInt32())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int32Value.Xor((Int32Value)val1, (Int32Value)val2));
|
2011-10-19 05:31:50 +08:00
|
|
|
|
else if (val1.isInt64() && val2.isInt64())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int64Value.Xor((Int64Value)val1, (Int64Value)val2));
|
|
|
|
|
else
|
2011-10-17 06:22:22 +08:00
|
|
|
|
valueStack.pushUnknown();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulate_Not(Instruction instr) {
|
|
|
|
|
var val1 = valueStack.pop();
|
|
|
|
|
|
2011-10-19 05:31:50 +08:00
|
|
|
|
if (val1.isInt32())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int32Value.Not((Int32Value)val1));
|
2011-10-19 05:31:50 +08:00
|
|
|
|
else if (val1.isInt64())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int64Value.Not((Int64Value)val1));
|
2011-10-17 06:22:22 +08:00
|
|
|
|
else
|
|
|
|
|
valueStack.pushUnknown();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulate_Shl(Instruction instr) {
|
|
|
|
|
var val2 = valueStack.pop();
|
|
|
|
|
var val1 = valueStack.pop();
|
|
|
|
|
|
2011-10-19 05:31:50 +08:00
|
|
|
|
if (val1.isInt32() && val2.isInt32())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int32Value.Shl((Int32Value)val1, (Int32Value)val2));
|
2011-10-19 05:31:50 +08:00
|
|
|
|
else if (val1.isInt64() && val2.isInt32())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int64Value.Shl((Int64Value)val1, (Int32Value)val2));
|
2011-10-17 06:22:22 +08:00
|
|
|
|
else
|
|
|
|
|
valueStack.pushUnknown();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulate_Shr(Instruction instr) {
|
|
|
|
|
var val2 = valueStack.pop();
|
|
|
|
|
var val1 = valueStack.pop();
|
|
|
|
|
|
2011-10-19 05:31:50 +08:00
|
|
|
|
if (val1.isInt32() && val2.isInt32())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int32Value.Shr((Int32Value)val1, (Int32Value)val2));
|
2011-10-19 05:31:50 +08:00
|
|
|
|
else if (val1.isInt64() && val2.isInt32())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int64Value.Shr((Int64Value)val1, (Int32Value)val2));
|
2011-10-17 06:22:22 +08:00
|
|
|
|
else
|
|
|
|
|
valueStack.pushUnknown();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulate_Shr_Un(Instruction instr) {
|
|
|
|
|
var val2 = valueStack.pop();
|
|
|
|
|
var val1 = valueStack.pop();
|
|
|
|
|
|
2011-10-19 05:31:50 +08:00
|
|
|
|
if (val1.isInt32() && val2.isInt32())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int32Value.Shr_Un((Int32Value)val1, (Int32Value)val2));
|
2011-10-19 05:31:50 +08:00
|
|
|
|
else if (val1.isInt64() && val2.isInt32())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int64Value.Shr_Un((Int64Value)val1, (Int32Value)val2));
|
2011-10-17 06:22:22 +08:00
|
|
|
|
else
|
|
|
|
|
valueStack.pushUnknown();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulate_Ceq(Instruction instr) {
|
|
|
|
|
var val2 = valueStack.pop();
|
|
|
|
|
var val1 = valueStack.pop();
|
|
|
|
|
|
2011-10-19 05:31:50 +08:00
|
|
|
|
if (val1.isInt32() && val2.isInt32())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int32Value.Ceq((Int32Value)val1, (Int32Value)val2));
|
2011-10-19 05:31:50 +08:00
|
|
|
|
else if (val1.isInt64() && val2.isInt64())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int64Value.Ceq((Int64Value)val1, (Int64Value)val2));
|
2011-10-19 05:31:50 +08:00
|
|
|
|
else if (val1.isNull() && val2.isNull())
|
2011-10-17 06:22:22 +08:00
|
|
|
|
valueStack.push(new Int32Value(1));
|
2011-10-17 13:28:53 +08:00
|
|
|
|
else
|
2011-10-17 13:51:20 +08:00
|
|
|
|
valueStack.push(Int32Value.createUnknownBool());
|
2011-10-17 06:22:22 +08:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulate_Cgt(Instruction instr) {
|
|
|
|
|
var val2 = valueStack.pop();
|
|
|
|
|
var val1 = valueStack.pop();
|
|
|
|
|
|
2011-10-19 05:31:50 +08:00
|
|
|
|
if (val1.isInt32() && val2.isInt32())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int32Value.Cgt((Int32Value)val1, (Int32Value)val2));
|
2011-10-19 05:31:50 +08:00
|
|
|
|
else if (val1.isInt64() && val2.isInt64())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int64Value.Cgt((Int64Value)val1, (Int64Value)val2));
|
|
|
|
|
else
|
2011-10-17 13:51:20 +08:00
|
|
|
|
valueStack.push(Int32Value.createUnknownBool());
|
2011-10-17 06:22:22 +08:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulate_Cgt_Un(Instruction instr) {
|
|
|
|
|
var val2 = valueStack.pop();
|
|
|
|
|
var val1 = valueStack.pop();
|
|
|
|
|
|
2011-10-19 05:31:50 +08:00
|
|
|
|
if (val1.isInt32() && val2.isInt32())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int32Value.Cgt_Un((Int32Value)val1, (Int32Value)val2));
|
2011-10-19 05:31:50 +08:00
|
|
|
|
else if (val1.isInt64() && val2.isInt64())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int64Value.Cgt_Un((Int64Value)val1, (Int64Value)val2));
|
|
|
|
|
else
|
2011-10-17 13:51:20 +08:00
|
|
|
|
valueStack.push(Int32Value.createUnknownBool());
|
2011-10-17 06:22:22 +08:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulate_Clt(Instruction instr) {
|
|
|
|
|
var val2 = valueStack.pop();
|
|
|
|
|
var val1 = valueStack.pop();
|
|
|
|
|
|
2011-10-19 05:31:50 +08:00
|
|
|
|
if (val1.isInt32() && val2.isInt32())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int32Value.Clt((Int32Value)val1, (Int32Value)val2));
|
2011-10-19 05:31:50 +08:00
|
|
|
|
else if (val1.isInt64() && val2.isInt64())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int64Value.Clt((Int64Value)val1, (Int64Value)val2));
|
|
|
|
|
else
|
2011-10-17 13:51:20 +08:00
|
|
|
|
valueStack.push(Int32Value.createUnknownBool());
|
2011-10-17 06:22:22 +08:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulate_Clt_Un(Instruction instr) {
|
|
|
|
|
var val2 = valueStack.pop();
|
|
|
|
|
var val1 = valueStack.pop();
|
|
|
|
|
|
2011-10-19 05:31:50 +08:00
|
|
|
|
if (val1.isInt32() && val2.isInt32())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int32Value.Clt_Un((Int32Value)val1, (Int32Value)val2));
|
2011-10-19 05:31:50 +08:00
|
|
|
|
else if (val1.isInt64() && val2.isInt64())
|
2011-10-17 13:28:53 +08:00
|
|
|
|
valueStack.push(Int64Value.Clt_Un((Int64Value)val1, (Int64Value)val2));
|
|
|
|
|
else
|
2011-10-17 13:51:20 +08:00
|
|
|
|
valueStack.push(Int32Value.createUnknownBool());
|
2011-10-17 06:22:22 +08:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulate_Unbox_Any(Instruction instr) {
|
|
|
|
|
var val1 = valueStack.pop();
|
2011-10-19 05:31:50 +08:00
|
|
|
|
if (val1.isBoxed())
|
2011-10-17 06:22:22 +08:00
|
|
|
|
valueStack.push(((BoxedValue)val1).value);
|
|
|
|
|
else
|
|
|
|
|
valueStack.pushUnknown();
|
|
|
|
|
}
|
|
|
|
|
|
2011-10-24 02:12:10 +08:00
|
|
|
|
void emulate_Starg(ParameterDefinition arg) {
|
|
|
|
|
setArg(index(arg), valueStack.pop());
|
2011-10-17 06:22:22 +08:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulate_Stloc(int index) {
|
|
|
|
|
setLocal(index, valueStack.pop());
|
|
|
|
|
}
|
|
|
|
|
|
2011-10-24 02:12:10 +08:00
|
|
|
|
void emulate_Ldarga(ParameterDefinition arg) {
|
2011-10-17 06:22:22 +08:00
|
|
|
|
valueStack.pushUnknown();
|
2011-10-24 02:12:10 +08:00
|
|
|
|
setArg(index(arg), getUnknownArg(index(arg)));
|
2011-10-17 06:22:22 +08:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulate_Ldloca(int index) {
|
|
|
|
|
valueStack.pushUnknown();
|
2011-10-17 13:28:53 +08:00
|
|
|
|
setLocal(index, getUnknownLocal(index));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulate_Call(Instruction instr) {
|
|
|
|
|
emulate_Call(instr, (MethodReference)instr.Operand);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulate_Callvirt(Instruction instr) {
|
|
|
|
|
emulate_Call(instr, (MethodReference)instr.Operand);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulate_Call(Instruction instr, MethodReference method) {
|
|
|
|
|
int pushes, pops;
|
|
|
|
|
DotNetUtils.calculateStackUsage(instr, false, out pushes, out pops);
|
|
|
|
|
valueStack.pop(pops);
|
|
|
|
|
if (pushes == 1)
|
|
|
|
|
valueStack.push(getUnknownValue(method.MethodReturnType.ReturnType));
|
|
|
|
|
else
|
|
|
|
|
valueStack.push(pushes);
|
2011-10-17 06:22:22 +08:00
|
|
|
|
}
|
2011-10-18 03:34:00 +08:00
|
|
|
|
|
|
|
|
|
void emulate_Castclass(Instruction instr) {
|
|
|
|
|
var val1 = valueStack.pop();
|
|
|
|
|
|
2011-10-19 05:31:50 +08:00
|
|
|
|
if (val1.isNull())
|
2011-10-18 03:34:00 +08:00
|
|
|
|
valueStack.push(val1);
|
|
|
|
|
else
|
|
|
|
|
valueStack.pushUnknown();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulate_Isinst(Instruction instr) {
|
|
|
|
|
var val1 = valueStack.pop();
|
|
|
|
|
|
2011-10-19 05:31:50 +08:00
|
|
|
|
if (val1.isNull())
|
2011-10-18 03:34:00 +08:00
|
|
|
|
valueStack.push(val1);
|
|
|
|
|
else
|
|
|
|
|
valueStack.pushUnknown();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulate_Ldfld(Instruction instr) {
|
|
|
|
|
var val1 = valueStack.pop();
|
|
|
|
|
emulateLoadField(instr.Operand as FieldReference);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulate_Ldsfld(Instruction instr) {
|
|
|
|
|
emulateLoadField(instr.Operand as FieldReference);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulateLoadField(FieldReference fieldReference) {
|
|
|
|
|
if (fieldReference != null)
|
|
|
|
|
valueStack.push(getUnknownValue(fieldReference.FieldType));
|
|
|
|
|
else
|
|
|
|
|
valueStack.pushUnknown();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void emulateIntOps2() {
|
|
|
|
|
var val2 = valueStack.pop();
|
|
|
|
|
var val1 = valueStack.pop();
|
2011-10-19 05:31:50 +08:00
|
|
|
|
if (val1.isInt32() && val2.isInt32())
|
2011-10-18 03:34:00 +08:00
|
|
|
|
valueStack.push(Int32Value.createUnknown());
|
2011-10-19 05:31:50 +08:00
|
|
|
|
else if (val1.isInt64() && val2.isInt64())
|
2011-10-18 03:34:00 +08:00
|
|
|
|
valueStack.push(Int64Value.createUnknown());
|
|
|
|
|
else
|
|
|
|
|
valueStack.pushUnknown();
|
|
|
|
|
}
|
2011-10-17 06:22:22 +08:00
|
|
|
|
}
|
|
|
|
|
}
|