MethodAnalyzer.java revision 06d1aacf61792afcdb273cf458e1e3daead0cf85
1d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.compackage org.jf.dexlib.Code.Analysis; 2d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 3fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.comimport org.jf.dexlib.*; 4fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.comimport org.jf.dexlib.Code.*; 5472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.comimport org.jf.dexlib.Code.Format.ArrayDataPseudoInstruction; 6472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.comimport org.jf.dexlib.Code.Format.Format; 7fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.comimport org.jf.dexlib.Util.*; 8d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 9fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.comimport java.util.*; 10d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 11d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.compublic class MethodAnalyzer { 12d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com private final ClassDataItem.EncodedMethod encodedMethod; 13d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 14fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private SparseArray<AnalyzedInstruction> instructions; 15fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 16fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private boolean analyzed = false; 17d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 18d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com //This is a dummy instruction that occurs immediately before the first real instruction. We can initialize the 19d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com //register types for this instruction to the parameter types, in order to have them propagate to all of its 20d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com //successors, e.g. the first real instruction, the first instructions in any exception handlers covering the first 21d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com //instruction, etc. 22d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com private AnalyzedInstruction startOfMethod; 23d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 24d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com public MethodAnalyzer(ClassDataItem.EncodedMethod encodedMethod) { 25d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com if (encodedMethod == null) { 26d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com throw new IllegalArgumentException("encodedMethod cannot be null"); 27d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com } 28fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (encodedMethod.codeItem == null || encodedMethod.codeItem.getInstructions().length == 0) { 29d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com throw new IllegalArgumentException("The method has no code"); 30d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com } 31d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com this.encodedMethod = encodedMethod; 32d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com buildInstructionList(); 33fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 34fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //override AnalyzedInstruction and provide custom implementations of some of the methods, so that we don't 35fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //have to handle the case this special case of instruction being null, in the main class 36fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com startOfMethod = new AnalyzedInstruction(null, -1, encodedMethod.codeItem.getRegisterCount()) { 37fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com public boolean setsRegister() { 38fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return false; 39fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 40fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 41fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com @Override 42fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com public boolean setsWideRegister() { 43fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return false; 44fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 45fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 46fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com @Override 47fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com public boolean setsRegister(int registerNumber) { 48fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return false; 49fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 50fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 51fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com @Override 52fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com public int getDestinationRegister() { 53fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com assert false; 54fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return -1; 55fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com }; 56fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com }; 57d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com } 58d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 59d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com public AnalyzedInstruction[] analyze() { 60fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com assert encodedMethod != null; 61fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com assert encodedMethod.codeItem != null; 62fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 63fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (analyzed) { 64fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return makeInstructionArray(); 65fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 66fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 67fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com CodeItem codeItem = encodedMethod.codeItem; 68fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com MethodIdItem methodIdItem = encodedMethod.method; 69fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 70fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com int totalRegisters = codeItem.getRegisterCount(); 71fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com int parameterRegisters = methodIdItem.getPrototype().getParameterRegisterCount(); 72fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 73fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //if this isn't a static method, determine which register is the "this" register and set the type to the 74fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //current class 75fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if ((encodedMethod.accessFlags & AccessFlags.STATIC.getValue()) == 0) { 76fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com int thisRegister = totalRegisters - parameterRegisters - 1; 77fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 78fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //if this is a constructor, then set the "this" register to an uninitialized reference of the current class 79fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if ((encodedMethod.accessFlags & AccessFlags.CONSTRUCTOR.getValue()) != 0) { 80fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //TODO: it would probably make more sense to validate this somewhere else, and just put an assert here. Also, need to do a similar check for static constructor 81fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (!encodedMethod.method.getMethodName().equals("<init>")) { 82fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com throw new ValidationException("The constructor flag can only be used with an <init> method."); 83fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 84fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 85fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com setRegisterTypeAndPropagateChanges(startOfMethod, thisRegister, 86fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType.getRegisterType(RegisterType.Category.UninitRef, 87fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com ClassPath.getClassDef(methodIdItem.getContainingClass()))); 88fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } else { 89fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (encodedMethod.method.getMethodName().equals("<init>")) { 90fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com throw new ValidationException("An <init> method must have the \"constructor\" access flag"); 91fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 92fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 93fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com setRegisterTypeAndPropagateChanges(startOfMethod, thisRegister, 94fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType.getRegisterType(RegisterType.Category.Reference, 95fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com ClassPath.getClassDef(methodIdItem.getContainingClass()))); 96fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 97fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 98fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 99fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com TypeListItem parameters = methodIdItem.getPrototype().getParameters(); 100fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (parameters != null) { 101fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType[] parameterTypes = getParameterTypes(parameters, parameterRegisters); 102fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com for (int i=0; i<parameterTypes.length; i++) { 103fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType registerType = parameterTypes[i]; 104fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com int registerNum = (totalRegisters - parameterRegisters) + i; 105fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com setRegisterTypeAndPropagateChanges(startOfMethod, registerNum, registerType); 106fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 107fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 108fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 109fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com analyzed = true; 110fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return makeInstructionArray(); 111fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 112fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 113fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private int getThisRegister() { 114fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com assert (encodedMethod.accessFlags & AccessFlags.STATIC.getValue()) == 0; 115fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 116fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com CodeItem codeItem = encodedMethod.codeItem; 117fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com assert codeItem != null; 118fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 119fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com MethodIdItem methodIdItem = encodedMethod.method; 120fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com assert methodIdItem != null; 121fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 122fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com int totalRegisters = codeItem.getRegisterCount(); 123fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (totalRegisters == 0) { 124fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com throw new ValidationException("A non-static method must have at least 1 register"); 125fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 126fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 127fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com int parameterRegisters = methodIdItem.getPrototype().getParameterRegisterCount(); 128fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 129fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return totalRegisters - parameterRegisters - 1; 130fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 131fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 132fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private boolean isInstanceConstructor() { 133fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return (encodedMethod.accessFlags & AccessFlags.STATIC.getValue()) == 0 && 134fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com (encodedMethod.accessFlags & AccessFlags.CONSTRUCTOR.getValue()) != 0; 135fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 136fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 137fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private boolean isStaticConstructor() { 138fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return (encodedMethod.accessFlags & AccessFlags.STATIC.getValue()) != 0 && 139fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com (encodedMethod.accessFlags & AccessFlags.CONSTRUCTOR.getValue()) != 0; 140fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 141fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 142fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com public AnalyzedInstruction[] makeInstructionArray() { 143fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com AnalyzedInstruction[] instructionArray = new AnalyzedInstruction[instructions.size()]; 144fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com for (int i=0; i<instructions.size(); i++) { 145fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com instructionArray[i] = instructions.valueAt(i); 146fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 147fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return instructionArray; 148fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 149fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 150fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private static RegisterType[] getParameterTypes(TypeListItem typeListItem, int parameterRegisterCount) { 151fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com assert typeListItem != null; 152fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com assert parameterRegisterCount == typeListItem.getRegisterCount(); 153fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 154fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType[] registerTypes = new RegisterType[parameterRegisterCount]; 155fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 156fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com int registerNum = 0; 157fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com for (TypeIdItem type: typeListItem.getTypes()) { 158fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (type.getRegisterCount() == 2) { 159fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com registerTypes[registerNum++] = RegisterType.getWideRegisterTypeForTypeIdItem(type, true); 160fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com registerTypes[registerNum++] = RegisterType.getWideRegisterTypeForTypeIdItem(type, false); 161fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } else { 162fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com registerTypes[registerNum] = RegisterType.getRegisterTypeForTypeIdItem(type); 163fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 164fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 165fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 166fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return registerTypes; 167fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 168fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 169fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private int getInstructionAddress(AnalyzedInstruction instruction) { 170fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return instructions.keyAt(instruction.instructionIndex); 171fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 172fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 173fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private void setWideDestinationRegisterTypeAndPropagateChanges(AnalyzedInstruction analyzedInstruction, 174fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType registerType) { 175fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com assert registerType.category == RegisterType.Category.LongLo || 176fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com registerType.category == RegisterType.Category.DoubleLo; 177fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 178fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com checkWideDestinationPair(analyzedInstruction); 179fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 180fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com setRegisterTypeAndPropagateChanges(analyzedInstruction, analyzedInstruction.getDestinationRegister(), 181fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com registerType); 182fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (registerType.category == RegisterType.Category.LongLo) { 183fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com setRegisterTypeAndPropagateChanges(analyzedInstruction, analyzedInstruction.getDestinationRegister() + 1, 184fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType.getRegisterType(RegisterType.Category.LongHi, null)); 185fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } else { 186fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com setRegisterTypeAndPropagateChanges(analyzedInstruction, analyzedInstruction.getDestinationRegister() + 1, 187fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType.getRegisterType(RegisterType.Category.DoubleHi, null)); 188fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 189fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 190fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 191fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private void setDestinationRegisterTypeAndPropagateChanges(AnalyzedInstruction analyzedInstruction, 192fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType registerType) { 193fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com setRegisterTypeAndPropagateChanges(analyzedInstruction, analyzedInstruction.getDestinationRegister(), 194fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com registerType); 195fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 196fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 197fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private void setRegisterTypeAndPropagateChanges(AnalyzedInstruction instruction, int registerNumber, 198fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType registerType) { 199fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 200fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com BitSet changedInstructions = new BitSet(instructions.size()); 201fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 202fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com boolean changed = instruction.setPostRegisterType(registerNumber, registerType); 203fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 204fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (!changed || instruction.setsRegister(registerNumber)) { 205fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return; 206fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 207fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 208fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com propagateRegisterToSuccessors(instruction, registerNumber, changedInstructions); 209fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 210fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //using a for loop inside the while loop optimizes for the common case of the successors of an instruction 211fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //occurring after the instruction. Any successors that occur prior to the instruction will be picked up on 212fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //the next iteration of the while loop. 213fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //this could also be done recursively, but in large methods it would likely cause very deep recursion, 214fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //which would requires the user to specify a larger stack size. This isn't really a problem, but it is 215fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //slightly annoying. 216fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com while (!changedInstructions.isEmpty()) { 217fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com for (int instructionIndex=changedInstructions.nextSetBit(0); 218fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com instructionIndex>=0; 219fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com instructionIndex=changedInstructions.nextSetBit(instructionIndex)) { 220fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 221fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com changedInstructions.clear(instructionIndex); 222fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 223fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com propagateRegisterToSuccessors(instructions.valueAt(instructionIndex), registerNumber, 224fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com changedInstructions); 225fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 226fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 227d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com } 228d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 229fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private void propagateRegisterToSuccessors(AnalyzedInstruction instruction, int registerNumber, 230fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com BitSet changedInstructions) { 231fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com for (AnalyzedInstruction successor: instruction.successors) { 232fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (!successor.setsRegister(registerNumber)) { 233fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType registerType = successor.getMergedRegisterTypeFromPredecessors(registerNumber); 234fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 235fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (successor.setPostRegisterType(registerNumber, registerType)) { 236fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com changedInstructions.set(successor.instructionIndex); 237fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 238fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 239fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 240fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 241fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 242fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 243fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 244d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com private void buildInstructionList() { 245d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com assert encodedMethod != null; 246d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com assert encodedMethod.codeItem != null; 247fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com int registerCount = encodedMethod.codeItem.getRegisterCount(); 248d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 249fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com startOfMethod = new AnalyzedInstruction(null, -1, registerCount); 250d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 251d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com Instruction[] insns = encodedMethod.codeItem.getInstructions(); 252d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 253fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com instructions = new SparseArray<AnalyzedInstruction>(insns.length); 254d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 255d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com //first, create all the instructions and populate the instructionAddresses array 256d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com int currentCodeAddress = 0; 257d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com for (int i=0; i<insns.length; i++) { 258fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com instructions.append(currentCodeAddress, new AnalyzedInstruction(insns[i], i, registerCount)); 259fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com assert instructions.indexOfKey(currentCodeAddress) == i; 260d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com currentCodeAddress += insns[i].getSize(currentCodeAddress); 261d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com } 262d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 263d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com //next, populate the exceptionHandlers array. The array item for each instruction that can throw an exception 264d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com //and is covered by a try block should be set to a list of the first instructions of each exception handler 265d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com //for the try block covering the instruction 266d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com CodeItem.TryItem[] tries = encodedMethod.codeItem.getTries(); 267d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com int triesIndex = 0; 268d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com CodeItem.TryItem currentTry = null; 269fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com AnalyzedInstruction[] currentExceptionHandlers = null; 270fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com AnalyzedInstruction[][] exceptionHandlers = new AnalyzedInstruction[insns.length][]; 271d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 272fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com for (int i=0; i<instructions.size(); i++) { 273fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com AnalyzedInstruction instruction = instructions.valueAt(i); 274d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com Opcode instructionOpcode = instruction.instruction.opcode; 275d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 276d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com //check if we have gone past the end of the current try 277d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com if (currentTry != null) { 278d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com if (currentTry.getStartCodeAddress() + currentTry.getTryLength() <= currentCodeAddress) { 279d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com currentTry = null; 280d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com triesIndex++; 281d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com } 282d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com } 283d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 284d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com //check if the next try is applicable yet 285d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com if (currentTry == null && triesIndex < tries.length) { 286d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com CodeItem.TryItem tryItem = tries[triesIndex]; 287d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com if (tryItem.getStartCodeAddress() <= currentCodeAddress) { 288d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com assert(tryItem.getStartCodeAddress() + tryItem.getTryLength() > currentCodeAddress); 289d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 290d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com currentTry = tryItem; 291d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 292d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com currentExceptionHandlers = buildExceptionHandlerArray(tryItem); 293d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com } 294d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com } 295d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 296d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com //if we're inside a try block, and the instruction can throw an exception, then add the exception handlers 297d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com //for the current instruction 298d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com if (currentTry != null && instructionOpcode.canThrow()) { 299d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com exceptionHandlers[i] = currentExceptionHandlers; 300d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com } 301d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com } 302d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 303d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com //finally, populate the successors and predecessors for each instruction 304fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com assert instructions.size() > 0; 305fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com addPredecessorSuccessor(startOfMethod, instructions.valueAt(0), exceptionHandlers); 306fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com startOfMethod.addSuccessor(instructions.valueAt(0)); 307fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 308fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com for (int i=0; i<instructions.size(); i++) { 309fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com AnalyzedInstruction instruction = instructions.valueAt(i); 310d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com Opcode instructionOpcode = instruction.instruction.opcode; 311fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com int instructionCodeAddress = getInstructionAddress(instruction); 312d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 313d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com if (instruction.instruction.opcode.canContinue()) { 314fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (i == instructions.size() - 1) { 315d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com throw new ValidationException("Execution can continue past the last instruction"); 316d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com } 317fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com AnalyzedInstruction nextInstruction = instructions.valueAt(i+1); 318fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com addPredecessorSuccessor(instruction, nextInstruction, exceptionHandlers); 319d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com } 320d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 321d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com if (instruction instanceof OffsetInstruction) { 322d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com OffsetInstruction offsetInstruction = (OffsetInstruction)instruction; 323d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 324d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com if (instructionOpcode == Opcode.PACKED_SWITCH || instructionOpcode == Opcode.SPARSE_SWITCH) { 325d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com MultiOffsetInstruction switchDataInstruction = 326fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com (MultiOffsetInstruction)instructions.get(instructionCodeAddress + 327d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com offsetInstruction.getTargetAddressOffset()).instruction; 328d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com for (int targetAddressOffset: switchDataInstruction.getTargets()) { 329fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com AnalyzedInstruction targetInstruction = instructions.get(instructionCodeAddress + 330d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com targetAddressOffset); 331d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 332fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com addPredecessorSuccessor(instruction, targetInstruction, exceptionHandlers); 333d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com } 334d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com } else { 335d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com int targetAddressOffset = offsetInstruction.getTargetAddressOffset(); 336fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com AnalyzedInstruction targetInstruction = instructions.get(instructionCodeAddress + 337fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com targetAddressOffset); 338fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com addPredecessorSuccessor(instruction, targetInstruction, exceptionHandlers); 339d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com } 340d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com } 341d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com } 342d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com } 343d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 344d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com private void addPredecessorSuccessor(AnalyzedInstruction predecessor, AnalyzedInstruction successor, 345fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com AnalyzedInstruction[][] exceptionHandlers) { 346fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com addPredecessorSuccessor(predecessor, successor, exceptionHandlers, false); 347fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 348fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 349fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private void addPredecessorSuccessor(AnalyzedInstruction predecessor, AnalyzedInstruction successor, 350fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com AnalyzedInstruction[][] exceptionHandlers, boolean allowMoveException) { 351fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 352fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (!allowMoveException && successor.instruction.opcode == Opcode.MOVE_EXCEPTION) { 353fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com throw new ValidationException("Execution can pass from the " + predecessor.instruction.opcode.name + 354fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com " instruction at code address 0x" + Integer.toHexString(getInstructionAddress(predecessor)) + 355fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com " to the move-exception instruction at address 0x" + 356fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com Integer.toHexString(getInstructionAddress(successor))); 357fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 358d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 359d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com if (!predecessor.addSuccessor(successor)) { 360d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com //if predecessor already had successor as a successor, then there's nothing else to do 361d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com return; 362d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com } 363d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 364d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com successor.addPredecessor(predecessor); 365d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 366fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //TODO: need to handle the case of monitor-exit as a special case - the exception is thrown *after* the instruction executes 367d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com //if the successor can throw an instruction, then we need to add the exception handlers as additional 368d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com //successors to the predecessor (and then apply this same logic recursively if needed) 369fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com AnalyzedInstruction[] exceptionHandlersForSuccessor = exceptionHandlers[successor.instructionIndex]; 370d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com if (exceptionHandlersForSuccessor != null) { 371d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com //the item for this instruction in exceptionHandlersForSuccessor should only be set if this instruction 372d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com //can throw an exception 373d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com assert predecessor.instruction.opcode.canThrow(); 374d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 375fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com for (AnalyzedInstruction exceptionHandler: exceptionHandlersForSuccessor) { 376fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com addPredecessorSuccessor(predecessor, exceptionHandler, exceptionHandlers, true); 377d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com } 378d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com } 379d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com } 380d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 381fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private AnalyzedInstruction[] buildExceptionHandlerArray(CodeItem.TryItem tryItem) { 382d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com int exceptionHandlerCount = tryItem.encodedCatchHandler.handlers.length; 383d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com int catchAllHandler = tryItem.encodedCatchHandler.getCatchAllHandlerAddress(); 384d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com if (catchAllHandler != -1) { 385d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com exceptionHandlerCount++; 386d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com } 387d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 388fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com AnalyzedInstruction[] exceptionHandlers = new AnalyzedInstruction[exceptionHandlerCount]; 389d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com for (int i=0; i<tryItem.encodedCatchHandler.handlers.length; i++) { 390fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com exceptionHandlers[i] = instructions.get(tryItem.encodedCatchHandler.handlers[i].getHandlerAddress()); 391d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com } 392d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 393d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com if (catchAllHandler != -1) { 394fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com exceptionHandlers[exceptionHandlers.length - 1] = instructions.get(catchAllHandler); 395d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com } 396d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 397d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com return exceptionHandlers; 398d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com } 399d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 400fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private boolean setDestinationRegisterTypeForInstruction(AnalyzedInstruction analyzedInstruction) { 401fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com Instruction instruction = analyzedInstruction.instruction; 402fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 403fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com switch (instruction.opcode) { 404fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com case NOP: 405fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return true; 406fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com case MOVE: 407fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com case MOVE_FROM16: 408fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com case MOVE_16: 409fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return handleMove(analyzedInstruction, Primitive32BitCategories); 410fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com case MOVE_WIDE: 411fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com case MOVE_WIDE_FROM16: 412fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com case MOVE_WIDE_16: 413fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return handleMoveWide(analyzedInstruction); 414fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com case MOVE_OBJECT: 415fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com case MOVE_OBJECT_FROM16: 416fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com case MOVE_OBJECT_16: 417fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return handleMove(analyzedInstruction, ReferenceCategories); 418fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com case MOVE_RESULT: 419fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return handleMoveResult(analyzedInstruction, Primitive32BitCategories); 420fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com case MOVE_RESULT_WIDE: 421fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return handleMoveResult(analyzedInstruction, WideLowCategories); 422fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com case MOVE_RESULT_OBJECT: 423fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return handleMoveResult(analyzedInstruction, ReferenceCategories); 424fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com case MOVE_EXCEPTION: 425fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return handleMoveException(analyzedInstruction); 426fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com case RETURN_VOID: 427fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return handleReturnVoid(analyzedInstruction); 428fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com case RETURN: 429fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return handleReturn(analyzedInstruction); 430fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com case RETURN_WIDE: 431fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return handleReturnWide(analyzedInstruction); 432fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com case RETURN_OBJECT: 433fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return handleReturnObject(analyzedInstruction); 434fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com case CONST_4: 435fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com case CONST_16: 436fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com case CONST: 437fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return handleConst(analyzedInstruction); 438fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com case CONST_HIGH16: 439fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return handleConstHigh16(analyzedInstruction); 440fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com case CONST_WIDE_16: 441fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com case CONST_WIDE_32: 442fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com case CONST_WIDE: 443fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com case CONST_WIDE_HIGH16: 444fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return handleWideConst(analyzedInstruction); 445fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com case CONST_STRING: 446fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com case CONST_STRING_JUMBO: 447fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return handleConstString(analyzedInstruction); 448fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com case CONST_CLASS: 449fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return handleConstClass(analyzedInstruction); 450fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com case MONITOR_ENTER: 451fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com case MONITOR_EXIT: 452fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return handleMonitor(analyzedInstruction); 453fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com case CHECK_CAST: 454fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return handleCheckCast(analyzedInstruction); 455fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com case INSTANCE_OF: 456fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return handleInstanceOf(analyzedInstruction); 457fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com case ARRAY_LENGTH: 458fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return handleArrayLength(analyzedInstruction); 459fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com case NEW_INSTANCE: 460fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return handleNewInstance(analyzedInstruction); 461fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com case NEW_ARRAY: 462fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return handleNewArray(analyzedInstruction); 4639e5dd85d837501e84e18617fc136c8203ab1f183JesusFreke@JesusFreke.com case FILLED_NEW_ARRAY: 4649e5dd85d837501e84e18617fc136c8203ab1f183JesusFreke@JesusFreke.com return handleFilledNewArray(analyzedInstruction); 465ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com case FILLED_NEW_ARRAY_RANGE: 466ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com return handleFilledNewArrayRange(analyzedInstruction); 467472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com case FILL_ARRAY_DATA: 468472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com return handleFillArrayData(analyzedInstruction); 469ed140ca3e4fa66a03970affb3415a9fe2a924312JesusFreke@JesusFreke.com case THROW: 470ed140ca3e4fa66a03970affb3415a9fe2a924312JesusFreke@JesusFreke.com return handleThrow(analyzedInstruction); 471898edda7cea48c02687bb71804a98cfd6e260b89JesusFreke@JesusFreke.com case GOTO: 472898edda7cea48c02687bb71804a98cfd6e260b89JesusFreke@JesusFreke.com case GOTO_16: 473898edda7cea48c02687bb71804a98cfd6e260b89JesusFreke@JesusFreke.com case GOTO_32: 474898edda7cea48c02687bb71804a98cfd6e260b89JesusFreke@JesusFreke.com //nothing to do 475898edda7cea48c02687bb71804a98cfd6e260b89JesusFreke@JesusFreke.com return true; 476cda44f70cfebfae4875cd77455a171075aebac4dJesusFreke@JesusFreke.com case PACKED_SWITCH: 477cda44f70cfebfae4875cd77455a171075aebac4dJesusFreke@JesusFreke.com return handleSwitch(analyzedInstruction, Format.PackedSwitchData); 478cda44f70cfebfae4875cd77455a171075aebac4dJesusFreke@JesusFreke.com case SPARSE_SWITCH: 479cda44f70cfebfae4875cd77455a171075aebac4dJesusFreke@JesusFreke.com return handleSwitch(analyzedInstruction, Format.SparseSwitchData); 480f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com case CMPL_FLOAT: 481f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com case CMPG_FLOAT: 482f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com return handleFloatCmp(analyzedInstruction); 483f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com case CMPL_DOUBLE: 484f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com case CMPG_DOUBLE: 485f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com case CMP_LONG: 486f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com return handleWideCmp(analyzedInstruction); 487aba6bb0bbd1537a6df9614ee579773e4a8af70ffJesusFreke@JesusFreke.com case IF_EQ: 488aba6bb0bbd1537a6df9614ee579773e4a8af70ffJesusFreke@JesusFreke.com case IF_NE: 489aba6bb0bbd1537a6df9614ee579773e4a8af70ffJesusFreke@JesusFreke.com return handleIfEqNe(analyzedInstruction); 490150acd9db94f9886f6fc32e89acc15a1a5c1466fJesusFreke@JesusFreke.com case IF_LT: 491150acd9db94f9886f6fc32e89acc15a1a5c1466fJesusFreke@JesusFreke.com case IF_GE: 492150acd9db94f9886f6fc32e89acc15a1a5c1466fJesusFreke@JesusFreke.com case IF_GT: 493150acd9db94f9886f6fc32e89acc15a1a5c1466fJesusFreke@JesusFreke.com case IF_LE: 494150acd9db94f9886f6fc32e89acc15a1a5c1466fJesusFreke@JesusFreke.com return handleIf(analyzedInstruction); 495cb00252b6aed86cd3e7c426015cea83fcdbaa806JesusFreke@JesusFreke.com case IF_EQZ: 496cb00252b6aed86cd3e7c426015cea83fcdbaa806JesusFreke@JesusFreke.com case IF_NEZ: 497cb00252b6aed86cd3e7c426015cea83fcdbaa806JesusFreke@JesusFreke.com return handleIfEqzNez(analyzedInstruction); 49816a709ba046343bfefc15a6cdb0be38282126223JesusFreke@JesusFreke.com case IF_LTZ: 49916a709ba046343bfefc15a6cdb0be38282126223JesusFreke@JesusFreke.com case IF_GEZ: 50016a709ba046343bfefc15a6cdb0be38282126223JesusFreke@JesusFreke.com case IF_GTZ: 50116a709ba046343bfefc15a6cdb0be38282126223JesusFreke@JesusFreke.com case IF_LEZ: 50216a709ba046343bfefc15a6cdb0be38282126223JesusFreke@JesusFreke.com return handleIfz(analyzedInstruction); 503b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com case AGET: 504b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com return handle32BitPrimitiveAget(analyzedInstruction, RegisterType.Category.Integer); 505b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com case AGET_BOOLEAN: 506b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com return handle32BitPrimitiveAget(analyzedInstruction, RegisterType.Category.Boolean); 507b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com case AGET_BYTE: 508b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com return handle32BitPrimitiveAget(analyzedInstruction, RegisterType.Category.Byte); 509b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com case AGET_CHAR: 510b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com return handle32BitPrimitiveAget(analyzedInstruction, RegisterType.Category.Char); 511b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com case AGET_SHORT: 512b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com return handle32BitPrimitiveAget(analyzedInstruction, RegisterType.Category.Short); 513c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com case AGET_WIDE: 514c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com return handleAgetWide(analyzedInstruction); 515461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com case AGET_OBJECT: 516461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com return handleAgetObject(analyzedInstruction); 517c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com case APUT: 518c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com return handle32BitPrimitiveAput(analyzedInstruction, RegisterType.Category.Integer); 519c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com case APUT_BOOLEAN: 520c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com return handle32BitPrimitiveAput(analyzedInstruction, RegisterType.Category.Boolean); 521c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com case APUT_BYTE: 522c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com return handle32BitPrimitiveAput(analyzedInstruction, RegisterType.Category.Byte); 523c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com case APUT_CHAR: 524c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com return handle32BitPrimitiveAput(analyzedInstruction, RegisterType.Category.Char); 525c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com case APUT_SHORT: 526c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com return handle32BitPrimitiveAput(analyzedInstruction, RegisterType.Category.Short); 52755d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com case APUT_WIDE: 52855d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com return handleAputWide(analyzedInstruction); 529898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com case APUT_OBJECT: 530898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com return handleAputObject(analyzedInstruction); 5314f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com case IGET: 5324f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com return handle32BitPrimitiveIget(analyzedInstruction, RegisterType.Category.Integer); 5334f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com case IGET_BOOLEAN: 5344f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com return handle32BitPrimitiveIget(analyzedInstruction, RegisterType.Category.Boolean); 5354f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com case IGET_BYTE: 5364f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com return handle32BitPrimitiveIget(analyzedInstruction, RegisterType.Category.Byte); 5374f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com case IGET_CHAR: 5384f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com return handle32BitPrimitiveIget(analyzedInstruction, RegisterType.Category.Char); 5394f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com case IGET_SHORT: 5404f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com return handle32BitPrimitiveIget(analyzedInstruction, RegisterType.Category.Short); 5419d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com case IGET_WIDE: 5429d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com return handleIgetWide(analyzedInstruction); 5437a58f2434a2d906735ce585064d0fa46003c460dJesusFreke@JesusFreke.com case IGET_OBJECT: 5447a58f2434a2d906735ce585064d0fa46003c460dJesusFreke@JesusFreke.com return handleIgetObject(analyzedInstruction); 5459971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com case IPUT: 5469971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com return handle32BitPrimitiveIput(analyzedInstruction, RegisterType.Category.Integer); 5479971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com case IPUT_BOOLEAN: 5489971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com return handle32BitPrimitiveIput(analyzedInstruction, RegisterType.Category.Boolean); 5499971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com case IPUT_BYTE: 5509971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com return handle32BitPrimitiveIput(analyzedInstruction, RegisterType.Category.Byte); 5519971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com case IPUT_CHAR: 5529971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com return handle32BitPrimitiveIput(analyzedInstruction, RegisterType.Category.Char); 5539971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com case IPUT_SHORT: 5549971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com return handle32BitPrimitiveIput(analyzedInstruction, RegisterType.Category.Short); 55592616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com case IPUT_WIDE: 55692616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com return handleIputWide(analyzedInstruction); 55750ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com case IPUT_OBJECT: 55850ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com return handleIputObject(analyzedInstruction); 559052f4890ab954dc8510230b2992904a1a66c5dccJesusFreke@JesusFreke.com case SGET: 560052f4890ab954dc8510230b2992904a1a66c5dccJesusFreke@JesusFreke.com return handle32BitPrimitiveSget(analyzedInstruction, RegisterType.Category.Integer); 561052f4890ab954dc8510230b2992904a1a66c5dccJesusFreke@JesusFreke.com case SGET_BOOLEAN: 562052f4890ab954dc8510230b2992904a1a66c5dccJesusFreke@JesusFreke.com return handle32BitPrimitiveSget(analyzedInstruction, RegisterType.Category.Boolean); 563052f4890ab954dc8510230b2992904a1a66c5dccJesusFreke@JesusFreke.com case SGET_BYTE: 564052f4890ab954dc8510230b2992904a1a66c5dccJesusFreke@JesusFreke.com return handle32BitPrimitiveSget(analyzedInstruction, RegisterType.Category.Byte); 565052f4890ab954dc8510230b2992904a1a66c5dccJesusFreke@JesusFreke.com case SGET_CHAR: 566052f4890ab954dc8510230b2992904a1a66c5dccJesusFreke@JesusFreke.com return handle32BitPrimitiveSget(analyzedInstruction, RegisterType.Category.Char); 567052f4890ab954dc8510230b2992904a1a66c5dccJesusFreke@JesusFreke.com case SGET_SHORT: 568052f4890ab954dc8510230b2992904a1a66c5dccJesusFreke@JesusFreke.com return handle32BitPrimitiveSget(analyzedInstruction, RegisterType.Category.Short); 5692f233fefd9d73af8fab4037a6f874b161b98b259JesusFreke@JesusFreke.com case SGET_WIDE: 5702f233fefd9d73af8fab4037a6f874b161b98b259JesusFreke@JesusFreke.com return handleSgetWide(analyzedInstruction); 5712d6d6eb22c86c79344b85ffe46fdd4268566bd0fJesusFreke@JesusFreke.com case SGET_OBJECT: 5722d6d6eb22c86c79344b85ffe46fdd4268566bd0fJesusFreke@JesusFreke.com return handleSgetObject(analyzedInstruction); 5739d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com case SPUT: 5749d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com return handle32BitPrimitiveSput(analyzedInstruction, RegisterType.Category.Integer); 5759d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com case SPUT_BOOLEAN: 5769d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com return handle32BitPrimitiveSput(analyzedInstruction, RegisterType.Category.Boolean); 5779d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com case SPUT_BYTE: 5789d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com return handle32BitPrimitiveSput(analyzedInstruction, RegisterType.Category.Byte); 5799d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com case SPUT_CHAR: 5809d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com return handle32BitPrimitiveSput(analyzedInstruction, RegisterType.Category.Char); 5819d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com case SPUT_SHORT: 5829d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com return handle32BitPrimitiveSput(analyzedInstruction, RegisterType.Category.Short); 583f08a9e1c2c130a5ed5923999fec0283f91b48a09JesusFreke@JesusFreke.com case SPUT_WIDE: 584f08a9e1c2c130a5ed5923999fec0283f91b48a09JesusFreke@JesusFreke.com return handleSputWide(analyzedInstruction); 58551cec00885cdc063ee27ee6b67680189be34f8f9JesusFreke@JesusFreke.com case SPUT_OBJECT: 58651cec00885cdc063ee27ee6b67680189be34f8f9JesusFreke@JesusFreke.com return handleSputObject(analyzedInstruction); 587fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 588b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com 589fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com assert false; 590fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return false; 591fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 592fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 593fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private static final EnumSet<RegisterType.Category> Primitive32BitCategories = EnumSet.of( 594fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType.Category.Null, 595fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType.Category.Boolean, 596fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType.Category.Byte, 597fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType.Category.Short, 598fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType.Category.Char, 599fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType.Category.Integer, 600fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType.Category.Float); 601fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 602fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private static final EnumSet<RegisterType.Category> WideLowCategories = EnumSet.of( 603fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType.Category.LongLo, 604fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType.Category.DoubleLo); 605fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 606fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private static final EnumSet<RegisterType.Category> WideHighCategories = EnumSet.of( 607fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType.Category.LongHi, 608fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType.Category.DoubleHi); 609fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 610fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private static final EnumSet<RegisterType.Category> ReferenceCategories = EnumSet.of( 611fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType.Category.Null, 612fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType.Category.Reference); 613fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 614fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private boolean handleMove(AnalyzedInstruction analyzedInstruction, 615fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com EnumSet<RegisterType.Category> allowedCategories) { 616fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com TwoRegisterInstruction instruction = (TwoRegisterInstruction)analyzedInstruction.instruction; 617fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 618fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //get the "pre-instruction" register type for the source register 619fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType sourceRegisterType = analyzedInstruction.getPreInstructionRegisterType(instruction.getRegisterB()); 620fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com assert sourceRegisterType != null; 621fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 622fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (sourceRegisterType.category == RegisterType.Category.Unknown) { 623fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //we don't know the source register type yet, so we can't verify it. Return false, and we'll come back later 624fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return false; 625fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 626d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 627fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com checkRegister(sourceRegisterType, allowedCategories); 628d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 629fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com setDestinationRegisterTypeAndPropagateChanges(analyzedInstruction, sourceRegisterType); 630fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return true; 631fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 632fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 633fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private boolean handleMoveWide(AnalyzedInstruction analyzedInstruction) { 634fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com TwoRegisterInstruction instruction = (TwoRegisterInstruction)analyzedInstruction.instruction; 635fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 636fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType sourceRegisterType = getAndCheckWideSourcePair(analyzedInstruction, 637fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com instruction.getRegisterB()); 638fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com assert sourceRegisterType != null; 639fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 640fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (sourceRegisterType.category == RegisterType.Category.Unknown) { 641fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //we don't know the source register type yet, so we can't verify it. Return false, and we'll come back later 642fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return false; 643fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 644fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 645fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com checkWideDestinationPair(analyzedInstruction); 646fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 647fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com setDestinationRegisterTypeAndPropagateChanges(analyzedInstruction, sourceRegisterType); 648fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return true; 649fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 650fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 651fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private boolean handleMoveResult(AnalyzedInstruction analyzedInstruction, 652fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com EnumSet<RegisterType.Category> allowedCategories) { 653fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 654fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //TODO: handle the case when the previous instruction is an odexed instruction 655fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 656fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (analyzedInstruction.instructionIndex == 0) { 657fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com throw new ValidationException(analyzedInstruction.instruction.opcode.name + " cannot be the first " + 658fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com "instruction in a method. It must occur after an invoke-*/fill-new-array instruction"); 659fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 660fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 661fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com AnalyzedInstruction previousInstruction = instructions.valueAt(analyzedInstruction.instructionIndex-1); 662fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 663fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (!previousInstruction.instruction.opcode.setsResult()) { 664fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com throw new ValidationException(analyzedInstruction.instruction.opcode.name + " must occur after an " + 665fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com "invoke-*/fill-new-array instruction"); 666fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 667fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 668fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (analyzedInstruction.instruction.opcode.setsWideRegister()) { 669fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com checkWideDestinationPair(analyzedInstruction); 670fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 671fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 672fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //TODO: does dalvik allow a move-result after an invoke with a void return type? 673fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType destinationRegisterType; 674fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 675fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com InstructionWithReference invokeInstruction = (InstructionWithReference)previousInstruction.instruction; 676fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com Item item = invokeInstruction.getReferencedItem(); 677fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 678fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (item instanceof MethodIdItem) { 679fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com destinationRegisterType = RegisterType.getRegisterTypeForTypeIdItem( 680fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com ((MethodIdItem)item).getPrototype().getReturnType()); 681fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } else { 682fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com assert item instanceof TypeIdItem; 683fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com destinationRegisterType = RegisterType.getRegisterTypeForTypeIdItem((TypeIdItem)item); 684fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 685fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 686fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com checkRegister(destinationRegisterType, allowedCategories); 687fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com setDestinationRegisterTypeAndPropagateChanges(analyzedInstruction, destinationRegisterType); 688fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return true; 689fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 690fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 691fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private boolean handleMoveException(AnalyzedInstruction analyzedInstruction) { 692fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com CodeItem.TryItem[] tries = encodedMethod.codeItem.getTries(); 693fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com int instructionAddress = getInstructionAddress(analyzedInstruction); 694fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 695fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (tries == null) { 696fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com throw new ValidationException("move-exception must be the first instruction in an exception handler block"); 697fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 698fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 699fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType exceptionType = null; 700fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 701fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com for (CodeItem.TryItem tryItem: encodedMethod.codeItem.getTries()) { 702fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (tryItem.encodedCatchHandler.getCatchAllHandlerAddress() == instructionAddress) { 703fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com exceptionType = RegisterType.getRegisterType(RegisterType.Category.Reference, 704fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com ClassPath.getClassDef("Ljava/lang/Throwable;")); 705fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com break; 706fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 707fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com for (CodeItem.EncodedTypeAddrPair handler: tryItem.encodedCatchHandler.handlers) { 708fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (handler.getHandlerAddress() == instructionAddress) { 709fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com exceptionType = RegisterType.getRegisterTypeForTypeIdItem(handler.exceptionType) 710fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com .merge(exceptionType); 711fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 712fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 713fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 714fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 715fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //TODO: check if the type is a throwable. Should we throw a ValidationException or print a warning? (does dalvik validate that it's a throwable? It doesn't in CodeVerify.c, but it might check in DexSwapVerify.c) 716fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com checkRegister(exceptionType, ReferenceCategories); 717fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com setDestinationRegisterTypeAndPropagateChanges(analyzedInstruction, exceptionType); 718fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return true; 719fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 720fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 721fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private boolean checkConstructorReturn(AnalyzedInstruction analyzedInstruction) { 722fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com assert this.isInstanceConstructor(); 723fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 724fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //if we're in an instance constructor (an <init> method), then the superclass <init> must have been called. 725fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //When execution enters the method, the "this" register is set as an uninitialized reference to the containing 726fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //class. Once the superclass' <init> is called, the "this" register is upgraded to a full-blown reference type, 727fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //so we need to ensure that the "this" register isn't an uninitialized reference 728fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 729fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com int thisRegister = getThisRegister(); 730fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType thisRegisterType = analyzedInstruction.postRegisterMap[thisRegister]; 731fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 732fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (thisRegisterType.category == RegisterType.Category.Unknown) { 733fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //we don't have enough information yet, so return false. We'll come back later 734fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return false; 735fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 736fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (thisRegisterType.category == RegisterType.Category.UninitRef) { 737fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com throw new ValidationException("Returning from constructor without calling the superclass' <init>"); 738fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 739fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com assert thisRegisterType.category == RegisterType.Category.Reference; 740fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com assert thisRegisterType.type == ClassPath.getClassDef(encodedMethod.method.getContainingClass()); 741fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return true; 742fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 743fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 744fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private boolean handleReturnVoid(AnalyzedInstruction analyzedInstruction) { 745fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (this.isInstanceConstructor()) { 746fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (!checkConstructorReturn(analyzedInstruction)) { 747fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return false; 748fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 749fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 750fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 751fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com TypeIdItem returnType = encodedMethod.method.getPrototype().getReturnType(); 752fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (returnType.getTypeDescriptor().charAt(0) != 'V') { 753fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //TODO: could add which return-* variation should be used instead 754fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com throw new ValidationException("Cannot use return-void with a non-void return type (" + 755fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com returnType.getTypeDescriptor() + ")"); 756fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 757fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return true; 758fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 759fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 760fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private boolean handleReturn(AnalyzedInstruction analyzedInstruction) { 761fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (this.isInstanceConstructor()) { 762fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (!checkConstructorReturn(analyzedInstruction)) { 763fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return false; 764fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 765fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 766fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 767fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com SingleRegisterInstruction instruction = (SingleRegisterInstruction)analyzedInstruction.instruction; 768fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType returnRegisterType = analyzedInstruction.postRegisterMap[instruction.getRegisterA()]; 769fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 770fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (returnRegisterType.category == RegisterType.Category.Unknown) { 771fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return false; 772fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 773fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 774fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com checkRegister(returnRegisterType, Primitive32BitCategories); 775fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 776fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com TypeIdItem returnType = encodedMethod.method.getPrototype().getReturnType(); 777fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (returnType.getTypeDescriptor().charAt(0) == 'V') { 778fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com throw new ValidationException("Cannot use return with a void return type. Use return-void instead"); 779fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 780fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 781fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType registerType = RegisterType.getRegisterTypeForTypeIdItem(returnType); 782fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 783fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (!Primitive32BitCategories.contains(registerType.category)) { 784fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //TODO: could add which return-* variation should be used instead 785fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com throw new ValidationException("Cannot use return with return type " + returnType.getTypeDescriptor()); 786fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 787fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 788fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 789fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return true; 790fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 791fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 792fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private boolean handleReturnWide(AnalyzedInstruction analyzedInstruction) { 793fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (this.isInstanceConstructor()) { 794fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (!checkConstructorReturn(analyzedInstruction)) { 795fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return false; 796fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 797fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 798fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 799fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com SingleRegisterInstruction instruction = (SingleRegisterInstruction)analyzedInstruction.instruction; 800fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType returnType = getAndCheckWideSourcePair(analyzedInstruction, instruction.getRegisterA()); 801fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 802fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (returnType.category == RegisterType.Category.Unknown) { 803fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return false; 804fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 805fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 806fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 807fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com TypeIdItem returnTypeIdItem = encodedMethod.method.getPrototype().getReturnType(); 808fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (returnTypeIdItem.getTypeDescriptor().charAt(0) == 'V') { 809fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com throw new ValidationException("Cannot use return-wide with a void return type. Use return-void instead"); 810fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 811fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 812fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com returnType = RegisterType.getRegisterTypeForTypeIdItem(returnTypeIdItem); 813fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (!WideLowCategories.contains(returnType.category)) { 814fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //TODO: could add which return-* variation should be used instead 815fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com throw new ValidationException("Cannot use return-wide with return type " + 816fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com returnTypeIdItem.getTypeDescriptor()); 817fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 818fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 819fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return true; 820fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 821fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 822fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private boolean handleReturnObject(AnalyzedInstruction analyzedInstruction) { 823fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (this.isInstanceConstructor()) { 824fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (!checkConstructorReturn(analyzedInstruction)) { 825fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return false; 826fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 827fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 828fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 829fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com SingleRegisterInstruction instruction = (SingleRegisterInstruction)analyzedInstruction.instruction; 830fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com int returnRegister = instruction.getRegisterA(); 831fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType returnRegisterType = analyzedInstruction.postRegisterMap[returnRegister]; 832fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 833fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (returnRegisterType.category == RegisterType.Category.Unknown) { 834fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return false; 835fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 836fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 837fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com checkRegister(returnRegisterType, ReferenceCategories); 838fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 839fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 840fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com TypeIdItem returnTypeIdItem = encodedMethod.method.getPrototype().getReturnType(); 841fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (returnTypeIdItem.getTypeDescriptor().charAt(0) == 'V') { 842fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com throw new ValidationException("Cannot use return with a void return type. Use return-void instead"); 843fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 844fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 845fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType returnType = RegisterType.getRegisterTypeForTypeIdItem(returnTypeIdItem); 846fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 847fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (!ReferenceCategories.contains(returnType.category)) { 848fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //TODO: could add which return-* variation should be used instead 849fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com throw new ValidationException("Cannot use " + analyzedInstruction + " with return type " + 850fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com returnTypeIdItem.getTypeDescriptor()); 851fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 852fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 853fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (returnType.type.isInterface()) { 854fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (!returnRegisterType.type.implementsInterface(returnType.type)) { 855fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //TODO: how to handle warnings? 856fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 857fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } else { 858fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (!returnRegisterType.type.extendsClass(returnType.type)) { 859fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com throw new ValidationException("The return value in register v" + Integer.toString(returnRegister) + 860fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com "(" + returnRegisterType.type.getClassType() + ") is not compatible with the method's return " + 861fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com "type (" + returnType.type.getClassType() + ")"); 862fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 863fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 864fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 865fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return true; 866fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 867fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 868fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private boolean handleConst(AnalyzedInstruction analyzedInstruction) { 869fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com LiteralInstruction instruction = (LiteralInstruction)analyzedInstruction.instruction; 870fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 871fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType newDestinationRegisterType = RegisterType.getRegisterTypeForLiteral(instruction.getLiteral()); 872fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 873fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //we assume that the literal value is a valid value for the given instruction type, because it's impossible 874fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //to store an invalid literal with the instruction. so we don't need to check the type of the literal 875fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com setDestinationRegisterTypeAndPropagateChanges(analyzedInstruction, newDestinationRegisterType); 876fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return true; 877fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 878fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 879fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private boolean handleConstHigh16(AnalyzedInstruction analyzedInstruction) { 880fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com LiteralInstruction instruction = (LiteralInstruction)analyzedInstruction.instruction; 881fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 882fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //TODO: test this 883fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com long literalValue = instruction.getLiteral() << 16; 884fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType newDestinationRegisterType = RegisterType.getRegisterTypeForLiteral(literalValue); 885fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 886fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //we assume that the literal value is a valid value for the given instruction type, because it's impossible 887fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //to store an invalid literal with the instruction. so we don't need to check the type of the literal 888fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com setDestinationRegisterTypeAndPropagateChanges(analyzedInstruction, newDestinationRegisterType); 889fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return true; 890fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 891fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 892fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private boolean handleWideConst(AnalyzedInstruction analyzedInstruction) { 893fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com setWideDestinationRegisterTypeAndPropagateChanges(analyzedInstruction, 894fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType.getRegisterType(RegisterType.Category.LongLo, null)); 895fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return true; 896fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 897fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 898fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private boolean handleConstString(AnalyzedInstruction analyzedInstruction) { 899fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com ClassPath.ClassDef stringClassDef = ClassPath.getClassDef("Ljava/lang/String;"); 900fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType stringType = RegisterType.getRegisterType(RegisterType.Category.Reference, stringClassDef); 901fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com setDestinationRegisterTypeAndPropagateChanges(analyzedInstruction, stringType); 902fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return true; 903fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 904fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 905fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private boolean handleConstClass(AnalyzedInstruction analyzedInstruction) { 906fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com ClassPath.ClassDef classClassDef = ClassPath.getClassDef("Ljava/lang/Class;"); 907fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType classType = RegisterType.getRegisterType(RegisterType.Category.Reference, classClassDef); 908fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 909fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com InstructionWithReference instruction = (InstructionWithReference)analyzedInstruction.instruction; 910fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com Item item = instruction.getReferencedItem(); 911fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com assert item.getItemType() == ItemType.TYPE_TYPE_ID_ITEM; 912fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 913fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //make sure the referenced class is resolvable 914fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //TODO: need to check class access 915fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com ClassPath.ClassDef classDef = ClassPath.getClassDef((TypeIdItem)item); 916fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return false; 917fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 918fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 919fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private boolean handleMonitor(AnalyzedInstruction analyzedInstruction) { 920fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com SingleRegisterInstruction instruction = (SingleRegisterInstruction)analyzedInstruction; 921fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 922fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType registerType = analyzedInstruction.postRegisterMap[instruction.getRegisterA()]; 923fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com assert registerType != null; 924fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (registerType.category == RegisterType.Category.Unknown) { 925fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return false; 926fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 927fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 928fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com checkRegister(registerType, ReferenceCategories); 929fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return true; 930fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 931fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 932fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private boolean handleCheckCast(AnalyzedInstruction analyzedInstruction) { 933fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com { 934fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //ensure the "source" register is a reference type 935fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com SingleRegisterInstruction instruction = (SingleRegisterInstruction)analyzedInstruction.instruction; 936fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 937fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType registerType = analyzedInstruction.getPreInstructionRegisterType(instruction.getRegisterA()); 938fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com assert registerType != null; 939fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (registerType.category == RegisterType.Category.Unknown) { 940fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return false; 941fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 942fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 943fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com checkRegister(registerType, ReferenceCategories); 944fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 945fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 946fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com { 947fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //resolve and verify the class that we're casting to 948fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com InstructionWithReference instruction = (InstructionWithReference)analyzedInstruction.instruction; 949fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 950fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com Item item = instruction.getReferencedItem(); 951fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com assert item.getItemType() == ItemType.TYPE_TYPE_ID_ITEM; 952fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 953fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //TODO: need to check class access 954fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType newDestinationRegisterType = RegisterType.getRegisterTypeForTypeIdItem((TypeIdItem)item); 955fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com try { 956fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com checkRegister(newDestinationRegisterType, ReferenceCategories); 957fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } catch (ValidationException ex) { 958fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //TODO: verify that dalvik allows a non-reference type.. 959fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //TODO: print a warning, but don't re-throw the exception. dalvik allows a non-reference type during validation (but throws an exception at runtime) 960fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 961fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 962fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com setDestinationRegisterTypeAndPropagateChanges(analyzedInstruction, newDestinationRegisterType); 963fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return true; 964fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 965fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 966fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 967fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private boolean handleInstanceOf(AnalyzedInstruction analyzedInstruction) { 968fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com { 969fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //ensure the register that is being checks is a reference type 970fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com TwoRegisterInstruction instruction = (TwoRegisterInstruction)analyzedInstruction; 971fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 972fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType registerType = analyzedInstruction.getPreInstructionRegisterType(instruction.getRegisterB()); 973fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com assert registerType != null; 974fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (registerType.category == RegisterType.Category.Unknown) { 975fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return false; 976fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 977fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 978fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com checkRegister(registerType, ReferenceCategories); 979fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 980fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 981fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com { 982fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //resolve and verify the class that we're checking against 983fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com InstructionWithReference instruction = (InstructionWithReference)analyzedInstruction.instruction; 984fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 985fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com Item item = instruction.getReferencedItem(); 986fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com assert item.getItemType() == ItemType.TYPE_TYPE_ID_ITEM; 987fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType registerType = RegisterType.getRegisterTypeForTypeIdItem((TypeIdItem)item); 988fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com checkRegister(registerType, ReferenceCategories); 989fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 990fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //TODO: is it valid to use an array type? 991fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 992fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //TODO: could probably do an even more sophisticated check, where we check the possible register types against the specified type. In some cases, we could determine that it always fails, and print a warning to that effect. 993fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com setDestinationRegisterTypeAndPropagateChanges(analyzedInstruction, 994fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType.getRegisterType(RegisterType.Category.Boolean, null)); 995fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return true; 996fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 997fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 998fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 999fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private boolean handleArrayLength(AnalyzedInstruction analyzedInstruction) { 1000fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com TwoRegisterInstruction instruction = (TwoRegisterInstruction)analyzedInstruction; 1001fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 1002fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com int arrayRegisterNumber = instruction.getRegisterB(); 1003fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType arrayRegisterType = analyzedInstruction.getPreInstructionRegisterType(arrayRegisterNumber); 1004fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com assert arrayRegisterType != null; 1005fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (arrayRegisterType.category == RegisterType.Category.Unknown) { 1006fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return false; 1007fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 1008fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 1009fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com assert arrayRegisterType.type instanceof ClassPath.ArrayClassDef; 1010fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 1011fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com checkRegister(arrayRegisterType, ReferenceCategories); 1012fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (arrayRegisterType.type != null) { 1013fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (arrayRegisterType.type.getClassType().charAt(0) != '[') { 1014fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com throw new ValidationException("Cannot use array-length with non-array type " + 1015fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com arrayRegisterType.type.getClassType()); 1016d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com } 1017d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com } 1018d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 1019fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com setDestinationRegisterTypeAndPropagateChanges(analyzedInstruction, 1020fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType.getRegisterType(RegisterType.Category.Integer, null)); 1021fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return true; 1022fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 1023fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 1024fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private boolean handleNewInstance(AnalyzedInstruction analyzedInstruction) { 1025fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com InstructionWithReference instruction = (InstructionWithReference)analyzedInstruction.instruction; 1026fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 1027fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com Item item = instruction.getReferencedItem(); 1028fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com assert item.getItemType() == ItemType.TYPE_TYPE_ID_ITEM; 1029fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 1030fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //TODO: need to check class access 1031fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType classType = RegisterType.getRegisterTypeForTypeIdItem((TypeIdItem)item); 1032fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com checkRegister(classType, ReferenceCategories); 1033fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (((TypeIdItem)item).getTypeDescriptor().charAt(0) == '[') { 1034fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com throw new ValidationException("Cannot use array type \"" + ((TypeIdItem)item).getTypeDescriptor() + 1035fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com "\" with new-instance. Use new-array instead."); 1036d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com } 1037d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 1038fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com setDestinationRegisterTypeAndPropagateChanges(analyzedInstruction, 1039fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType.getRegisterType(RegisterType.Category.UninitRef, classType.type)); 1040fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return true; 1041fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 1042fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 1043fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private boolean handleNewArray(AnalyzedInstruction analyzedInstruction) { 1044fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com { 1045fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com TwoRegisterInstruction instruction = (TwoRegisterInstruction)analyzedInstruction.instruction; 1046fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 1047fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com int sizeRegister = instruction.getRegisterB(); 1048fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType registerType = analyzedInstruction.getPreInstructionRegisterType(sizeRegister); 1049fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com assert registerType != null; 1050fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 1051fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (registerType.category == RegisterType.Category.Unknown) { 1052fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return false; 1053fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 1054fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 1055fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com checkRegister(registerType, Primitive32BitCategories); 1056fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 1057fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 1058fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com InstructionWithReference instruction = (InstructionWithReference)analyzedInstruction.instruction; 1059fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 1060fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com Item item = instruction.getReferencedItem(); 1061fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com assert item.getItemType() == ItemType.TYPE_TYPE_ID_ITEM; 1062fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 1063fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType arrayType = RegisterType.getRegisterTypeForTypeIdItem((TypeIdItem)item); 1064fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com assert arrayType.type instanceof ClassPath.ArrayClassDef; 1065d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 1066fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com checkRegister(arrayType, ReferenceCategories); 1067fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (arrayType.type.getClassType().charAt(0) != '[') { 1068fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com throw new ValidationException("Cannot use non-array type \"" + arrayType.type.getClassType() + 1069fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com "\" with new-array. Use new-instance instead."); 1070fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 1071fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 1072fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com setDestinationRegisterTypeAndPropagateChanges(analyzedInstruction, arrayType); 1073fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return true; 1074fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 1075fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 1076ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com private static interface RegisterIterator { 1077ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com int getRegister(); 1078ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com boolean moveNext(); 107906d1aacf61792afcdb273cf458e1e3daead0cf85JesusFreke@JesusFreke.com int getCount(); 1080ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com } 1081ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com 1082ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com private boolean handleFilledNewArrayCommon(AnalyzedInstruction analyzedInstruction, 1083ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com RegisterIterator registerIterator) { 1084ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com InstructionWithReference instruction = (InstructionWithReference)analyzedInstruction.instruction; 1085ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com 10869e5dd85d837501e84e18617fc136c8203ab1f183JesusFreke@JesusFreke.com RegisterType arrayType; 10879e5dd85d837501e84e18617fc136c8203ab1f183JesusFreke@JesusFreke.com RegisterType arrayImmediateElementType; 10889e5dd85d837501e84e18617fc136c8203ab1f183JesusFreke@JesusFreke.com 1089ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com Item item = instruction.getReferencedItem(); 1090ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com assert item.getItemType() == ItemType.TYPE_TYPE_ID_ITEM; 10919e5dd85d837501e84e18617fc136c8203ab1f183JesusFreke@JesusFreke.com 1092ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com ClassPath.ClassDef classDef = ClassPath.getClassDef((TypeIdItem)item); 10939e5dd85d837501e84e18617fc136c8203ab1f183JesusFreke@JesusFreke.com 1094ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com if (classDef.getClassType().charAt(0) != '[') { 1095ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com throw new ValidationException("Cannot use non-array type \"" + classDef.getClassType() + 1096ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com "\" with new-array. Use new-instance instead."); 10979e5dd85d837501e84e18617fc136c8203ab1f183JesusFreke@JesusFreke.com } 10989e5dd85d837501e84e18617fc136c8203ab1f183JesusFreke@JesusFreke.com 1099ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com ClassPath.ArrayClassDef arrayClassDef = (ClassPath.ArrayClassDef)classDef; 1100ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com arrayType = RegisterType.getRegisterType(RegisterType.Category.Reference, classDef); 1101ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com arrayImmediateElementType = RegisterType.getRegisterTypeForType( 1102ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com arrayClassDef.getImmediateElementClass().getClassType()); 1103ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com String baseElementType = arrayClassDef.getBaseElementClass().getClassType(); 1104ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com if (baseElementType.charAt(0) == 'J' || baseElementType.charAt(0) == 'D') { 1105ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com throw new ValidationException("Cannot use filled-new-array to create an array of wide values " + 1106ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com "(long or double)"); 1107ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com } 11089e5dd85d837501e84e18617fc136c8203ab1f183JesusFreke@JesusFreke.com 1109ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com do { 1110ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com int register = registerIterator.getRegister(); 11119e5dd85d837501e84e18617fc136c8203ab1f183JesusFreke@JesusFreke.com RegisterType elementType = analyzedInstruction.getPreInstructionRegisterType(register); 11129e5dd85d837501e84e18617fc136c8203ab1f183JesusFreke@JesusFreke.com assert elementType != null; 11139e5dd85d837501e84e18617fc136c8203ab1f183JesusFreke@JesusFreke.com 11149e5dd85d837501e84e18617fc136c8203ab1f183JesusFreke@JesusFreke.com if (elementType.category == RegisterType.Category.Unknown) { 11159e5dd85d837501e84e18617fc136c8203ab1f183JesusFreke@JesusFreke.com return false; 11169e5dd85d837501e84e18617fc136c8203ab1f183JesusFreke@JesusFreke.com } 11179e5dd85d837501e84e18617fc136c8203ab1f183JesusFreke@JesusFreke.com 11189e5dd85d837501e84e18617fc136c8203ab1f183JesusFreke@JesusFreke.com if (!elementType.canBeAssignedTo(arrayImmediateElementType)) { 11199e5dd85d837501e84e18617fc136c8203ab1f183JesusFreke@JesusFreke.com throw new ValidationException("Register v" + Integer.toString(register) + " is of type " + 11209e5dd85d837501e84e18617fc136c8203ab1f183JesusFreke@JesusFreke.com elementType.toString() + " and is incompatible with the array type " + 11219e5dd85d837501e84e18617fc136c8203ab1f183JesusFreke@JesusFreke.com arrayType.type.getClassType()); 11229e5dd85d837501e84e18617fc136c8203ab1f183JesusFreke@JesusFreke.com } 1123ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com } while (registerIterator.moveNext()); 11249e5dd85d837501e84e18617fc136c8203ab1f183JesusFreke@JesusFreke.com 11259e5dd85d837501e84e18617fc136c8203ab1f183JesusFreke@JesusFreke.com setDestinationRegisterTypeAndPropagateChanges(analyzedInstruction, arrayType); 11269e5dd85d837501e84e18617fc136c8203ab1f183JesusFreke@JesusFreke.com return true; 11279e5dd85d837501e84e18617fc136c8203ab1f183JesusFreke@JesusFreke.com } 11289e5dd85d837501e84e18617fc136c8203ab1f183JesusFreke@JesusFreke.com 1129ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com private boolean handleFilledNewArray(AnalyzedInstruction analyzedInstruction) { 1130ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com FiveRegisterInstruction instruction = (FiveRegisterInstruction)analyzedInstruction.instruction; 1131ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com final int registerCount = instruction.getRegCount(); 1132ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com final int[] registers = new int[]{instruction.getRegisterD(), instruction.getRegisterE(), 1133ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com instruction.getRegisterF(), instruction.getRegisterG(), 1134ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com instruction.getRegisterA()}; 1135ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com 1136ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com return handleFilledNewArrayCommon(analyzedInstruction, 1137ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com new RegisterIterator() { 1138ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com private int currentRegister = 0; 1139ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com public int getRegister() { 1140ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com return registers[currentRegister]; 1141ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com } 1142ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com 1143ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com public boolean moveNext() { 1144ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com currentRegister++; 1145ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com if (currentRegister >= registerCount) { 1146ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com return false; 1147ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com } 1148ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com return true; 1149ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com } 115006d1aacf61792afcdb273cf458e1e3daead0cf85JesusFreke@JesusFreke.com 115106d1aacf61792afcdb273cf458e1e3daead0cf85JesusFreke@JesusFreke.com public int getCount() { 115206d1aacf61792afcdb273cf458e1e3daead0cf85JesusFreke@JesusFreke.com return registerCount; 115306d1aacf61792afcdb273cf458e1e3daead0cf85JesusFreke@JesusFreke.com } 1154ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com }); 1155ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com } 1156ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com 1157ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com private boolean handleFilledNewArrayRange(AnalyzedInstruction analyzedInstruction) { 1158ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com final RegisterRangeInstruction instruction = (RegisterRangeInstruction)analyzedInstruction.instruction; 1159ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com 1160ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com //instruction.getStartRegister() and instruction.getRegCount() both return an int value, but are actually 1161ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com //unsigned 16 bit values, so we don't have to worry about overflowing an int when adding them together 1162ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com if (instruction.getStartRegister() + instruction.getRegCount() >= 1<<16) { 1163ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com throw new ValidationException(String.format("Invalid register range {v%d .. v%d}. The ending register " + 1164472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com "is larger than the largest allowed register of v65535.", 1165ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com instruction.getStartRegister(), 1166ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com instruction.getStartRegister() + instruction.getRegCount() - 1)); 1167ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com } 1168ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com 1169ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com return handleFilledNewArrayCommon(analyzedInstruction, 1170ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com new RegisterIterator() { 1171ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com private int currentRegister = 0; 1172ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com private final int startRegister = instruction.getStartRegister(); 1173ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com private final int registerCount = instruction.getRegCount(); 1174ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com 1175ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com public int getRegister() { 1176ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com return startRegister + currentRegister; 1177ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com } 1178ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com 1179ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com public boolean moveNext() { 1180ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com currentRegister++; 1181ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com if (currentRegister >= registerCount) { 1182ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com return false; 1183ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com } 1184ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com return true; 1185ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com } 118606d1aacf61792afcdb273cf458e1e3daead0cf85JesusFreke@JesusFreke.com 118706d1aacf61792afcdb273cf458e1e3daead0cf85JesusFreke@JesusFreke.com public int getCount() { 118806d1aacf61792afcdb273cf458e1e3daead0cf85JesusFreke@JesusFreke.com return registerCount; 118906d1aacf61792afcdb273cf458e1e3daead0cf85JesusFreke@JesusFreke.com } 1190ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com }); 1191ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com } 1192ac8785e5d550c2ec7c7d02dd2990f859a78c111cJesusFreke@JesusFreke.com 1193472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com private boolean handleFillArrayData(AnalyzedInstruction analyzedInstruction) { 1194472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com SingleRegisterInstruction instruction = (SingleRegisterInstruction)analyzedInstruction.instruction; 1195472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com 1196472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com int register = instruction.getRegisterA(); 1197472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com RegisterType registerType = analyzedInstruction.getPreInstructionRegisterType(register); 1198472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com assert registerType != null; 1199472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com 1200472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com if (registerType.category == RegisterType.Category.Unknown || 1201472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com registerType.category == RegisterType.Category.Null) { 1202472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com return false; 1203472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com } 1204472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com 1205472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com if (registerType.category != RegisterType.Category.Reference) { 1206472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use fill-array-data with non-array register v%d of " + 1207472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com "type %s", register, registerType.toString())); 1208472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com } 1209472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com 1210472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com assert registerType.type instanceof ClassPath.ArrayClassDef; 1211472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com ClassPath.ArrayClassDef arrayClassDef = (ClassPath.ArrayClassDef)registerType.type; 1212472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com 1213472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com if (arrayClassDef.getArrayDimensions() != 1) { 1214472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use fill-array-data with array type %s. It can only " + 1215472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com "be used with a one-dimensional array of primitives.", arrayClassDef.getClassType())); 1216472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com } 1217472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com 1218472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com int elementWidth; 1219472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com switch (arrayClassDef.getBaseElementClass().getClassType().charAt(0)) { 1220472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com case 'Z': 1221472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com case 'B': 1222472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com elementWidth = 1; 1223472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com break; 1224472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com case 'C': 1225472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com case 'S': 1226472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com elementWidth = 2; 1227472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com break; 1228472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com case 'I': 1229472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com case 'F': 1230472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com elementWidth = 4; 1231472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com break; 1232472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com case 'J': 1233472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com case 'D': 1234472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com elementWidth = 8; 1235472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com break; 1236472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com default: 1237472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use fill-array-data with array type %s. It can " + 1238472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com "only be used with a one-dimensional array of primitives.", arrayClassDef.getClassType())); 1239472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com } 1240472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com 1241472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com 1242b7e78115277e30c71e6e991da3f31c5a1403c634JesusFreke@JesusFreke.com int arrayDataAddressOffset = ((OffsetInstruction)analyzedInstruction.instruction).getTargetAddressOffset(); 1243b7e78115277e30c71e6e991da3f31c5a1403c634JesusFreke@JesusFreke.com int arrayDataCodeAddress = getInstructionAddress(analyzedInstruction) + arrayDataAddressOffset; 1244b7e78115277e30c71e6e991da3f31c5a1403c634JesusFreke@JesusFreke.com AnalyzedInstruction arrayDataInstruction = this.instructions.get(arrayDataCodeAddress); 1245472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com if (arrayDataInstruction == null || arrayDataInstruction.instruction.getFormat() != Format.ArrayData) { 1246472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com throw new ValidationException(String.format("Could not find an array data structure at code address 0x%x", 1247b7e78115277e30c71e6e991da3f31c5a1403c634JesusFreke@JesusFreke.com arrayDataCodeAddress)); 1248472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com } 1249472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com 1250472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com ArrayDataPseudoInstruction arrayDataPseudoInstruction = 1251472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com (ArrayDataPseudoInstruction)arrayDataInstruction.instruction; 1252472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com 1253472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com if (elementWidth != arrayDataPseudoInstruction.getElementWidth()) { 1254472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com throw new ValidationException(String.format("The array data at code address 0x%x does not have the " + 1255472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com "correct element width for array type %s. Expecting element width %d, got element width %d.", 1256b7e78115277e30c71e6e991da3f31c5a1403c634JesusFreke@JesusFreke.com arrayDataCodeAddress, arrayClassDef.getClassType(), elementWidth, 1257472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com arrayDataPseudoInstruction.getElementWidth())); 1258472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com } 1259472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com 1260472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com return true; 1261472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com } 1262472d3ea58455ebf43d21819b2701fad98b5a0f9cJesusFreke@JesusFreke.com 1263ed140ca3e4fa66a03970affb3415a9fe2a924312JesusFreke@JesusFreke.com private boolean handleThrow(AnalyzedInstruction analyzedInstruction) { 1264ed140ca3e4fa66a03970affb3415a9fe2a924312JesusFreke@JesusFreke.com int register = ((SingleRegisterInstruction)analyzedInstruction.instruction).getRegisterA(); 1265ed140ca3e4fa66a03970affb3415a9fe2a924312JesusFreke@JesusFreke.com 1266ed140ca3e4fa66a03970affb3415a9fe2a924312JesusFreke@JesusFreke.com RegisterType registerType = analyzedInstruction.getPreInstructionRegisterType(register); 1267ed140ca3e4fa66a03970affb3415a9fe2a924312JesusFreke@JesusFreke.com assert registerType != null; 1268ed140ca3e4fa66a03970affb3415a9fe2a924312JesusFreke@JesusFreke.com 1269ed140ca3e4fa66a03970affb3415a9fe2a924312JesusFreke@JesusFreke.com if (registerType.category == RegisterType.Category.Unknown) { 1270ed140ca3e4fa66a03970affb3415a9fe2a924312JesusFreke@JesusFreke.com return false; 1271ed140ca3e4fa66a03970affb3415a9fe2a924312JesusFreke@JesusFreke.com } 1272ed140ca3e4fa66a03970affb3415a9fe2a924312JesusFreke@JesusFreke.com 1273ed140ca3e4fa66a03970affb3415a9fe2a924312JesusFreke@JesusFreke.com if (registerType.category == RegisterType.Category.Null) { 1274ed140ca3e4fa66a03970affb3415a9fe2a924312JesusFreke@JesusFreke.com return true; 1275ed140ca3e4fa66a03970affb3415a9fe2a924312JesusFreke@JesusFreke.com } 1276ed140ca3e4fa66a03970affb3415a9fe2a924312JesusFreke@JesusFreke.com 1277ed140ca3e4fa66a03970affb3415a9fe2a924312JesusFreke@JesusFreke.com if (registerType.category != RegisterType.Category.Reference) { 1278ed140ca3e4fa66a03970affb3415a9fe2a924312JesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use throw with non-reference type %s in register v%d", 1279ed140ca3e4fa66a03970affb3415a9fe2a924312JesusFreke@JesusFreke.com registerType.toString(), register)); 1280ed140ca3e4fa66a03970affb3415a9fe2a924312JesusFreke@JesusFreke.com } 1281ed140ca3e4fa66a03970affb3415a9fe2a924312JesusFreke@JesusFreke.com 1282ed140ca3e4fa66a03970affb3415a9fe2a924312JesusFreke@JesusFreke.com assert registerType.type != null; 1283ed140ca3e4fa66a03970affb3415a9fe2a924312JesusFreke@JesusFreke.com 1284ed140ca3e4fa66a03970affb3415a9fe2a924312JesusFreke@JesusFreke.com if (!registerType.type.extendsClass(ClassPath.getClassDef("Ljava/lang/Throwable;"))) { 1285ed140ca3e4fa66a03970affb3415a9fe2a924312JesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use throw with non-throwable type %s in register v%d", 1286ed140ca3e4fa66a03970affb3415a9fe2a924312JesusFreke@JesusFreke.com registerType.type.getClassType(), register)); 1287ed140ca3e4fa66a03970affb3415a9fe2a924312JesusFreke@JesusFreke.com } 1288ed140ca3e4fa66a03970affb3415a9fe2a924312JesusFreke@JesusFreke.com 1289ed140ca3e4fa66a03970affb3415a9fe2a924312JesusFreke@JesusFreke.com return true; 1290ed140ca3e4fa66a03970affb3415a9fe2a924312JesusFreke@JesusFreke.com } 1291ed140ca3e4fa66a03970affb3415a9fe2a924312JesusFreke@JesusFreke.com 1292cda44f70cfebfae4875cd77455a171075aebac4dJesusFreke@JesusFreke.com private boolean handleSwitch(AnalyzedInstruction analyzedInstruction, Format expectedSwitchDataFormat) { 1293cda44f70cfebfae4875cd77455a171075aebac4dJesusFreke@JesusFreke.com int register = ((SingleRegisterInstruction)analyzedInstruction.instruction).getRegisterA(); 1294cda44f70cfebfae4875cd77455a171075aebac4dJesusFreke@JesusFreke.com int switchCodeAddressOffset = ((OffsetInstruction)analyzedInstruction.instruction).getTargetAddressOffset(); 1295cda44f70cfebfae4875cd77455a171075aebac4dJesusFreke@JesusFreke.com 1296cda44f70cfebfae4875cd77455a171075aebac4dJesusFreke@JesusFreke.com RegisterType registerType = analyzedInstruction.getPreInstructionRegisterType(register); 1297cda44f70cfebfae4875cd77455a171075aebac4dJesusFreke@JesusFreke.com assert registerType != null; 1298cda44f70cfebfae4875cd77455a171075aebac4dJesusFreke@JesusFreke.com 1299cda44f70cfebfae4875cd77455a171075aebac4dJesusFreke@JesusFreke.com if (registerType.category == RegisterType.Category.Unknown) { 1300cda44f70cfebfae4875cd77455a171075aebac4dJesusFreke@JesusFreke.com return false; 1301cda44f70cfebfae4875cd77455a171075aebac4dJesusFreke@JesusFreke.com } 1302cda44f70cfebfae4875cd77455a171075aebac4dJesusFreke@JesusFreke.com 1303cda44f70cfebfae4875cd77455a171075aebac4dJesusFreke@JesusFreke.com checkRegister(registerType, Primitive32BitCategories); 1304cda44f70cfebfae4875cd77455a171075aebac4dJesusFreke@JesusFreke.com 1305cda44f70cfebfae4875cd77455a171075aebac4dJesusFreke@JesusFreke.com int switchDataCodeAddress = this.getInstructionAddress(analyzedInstruction) + switchCodeAddressOffset; 1306cda44f70cfebfae4875cd77455a171075aebac4dJesusFreke@JesusFreke.com AnalyzedInstruction switchDataAnalyzedInstruction = instructions.get(switchDataCodeAddress); 1307cda44f70cfebfae4875cd77455a171075aebac4dJesusFreke@JesusFreke.com 1308cda44f70cfebfae4875cd77455a171075aebac4dJesusFreke@JesusFreke.com if (switchDataAnalyzedInstruction == null || 1309cda44f70cfebfae4875cd77455a171075aebac4dJesusFreke@JesusFreke.com switchDataAnalyzedInstruction.instruction.getFormat() != expectedSwitchDataFormat) { 1310cda44f70cfebfae4875cd77455a171075aebac4dJesusFreke@JesusFreke.com throw new ValidationException(String.format("There is no %s structure at code address 0x%x", 1311cda44f70cfebfae4875cd77455a171075aebac4dJesusFreke@JesusFreke.com expectedSwitchDataFormat.name(), switchDataCodeAddress)); 1312cda44f70cfebfae4875cd77455a171075aebac4dJesusFreke@JesusFreke.com } 1313cda44f70cfebfae4875cd77455a171075aebac4dJesusFreke@JesusFreke.com 1314cda44f70cfebfae4875cd77455a171075aebac4dJesusFreke@JesusFreke.com return true; 1315cda44f70cfebfae4875cd77455a171075aebac4dJesusFreke@JesusFreke.com } 1316cda44f70cfebfae4875cd77455a171075aebac4dJesusFreke@JesusFreke.com 1317f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com private boolean handleFloatCmp(AnalyzedInstruction analyzedInstruction) { 1318f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com ThreeRegisterInstruction instruction = (ThreeRegisterInstruction)analyzedInstruction.instruction; 1319f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com 1320f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com RegisterType registerType = analyzedInstruction.getPreInstructionRegisterType(instruction.getRegisterB()); 1321f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com assert registerType != null; 1322f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com 1323f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com if (registerType.category == RegisterType.Category.Unknown) { 1324f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com return false; 1325f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com } 1326f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com checkRegister(registerType, Primitive32BitCategories); 1327f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com 1328f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com registerType = analyzedInstruction.getPreInstructionRegisterType(instruction.getRegisterC()); 1329f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com assert registerType != null; 1330f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com 1331f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com if (registerType.category == RegisterType.Category.Unknown) { 1332f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com return false; 1333f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com } 1334f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com checkRegister(registerType, Primitive32BitCategories); 1335f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com 1336f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com setDestinationRegisterTypeAndPropagateChanges(analyzedInstruction, 1337f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com RegisterType.getRegisterType(RegisterType.Category.Byte, null)); 1338f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com return true; 1339f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com } 1340f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com 1341f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com private boolean handleWideCmp(AnalyzedInstruction analyzedInstruction) { 1342f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com ThreeRegisterInstruction instruction = (ThreeRegisterInstruction)analyzedInstruction.instruction; 1343f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com 1344f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com RegisterType registerType = getAndCheckWideSourcePair(analyzedInstruction, instruction.getRegisterB()); 1345f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com assert registerType != null; 1346f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com if (registerType.category == RegisterType.Category.Unknown) { 1347f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com return false; 1348f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com } 1349f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com 1350f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com registerType = getAndCheckWideSourcePair(analyzedInstruction, instruction.getRegisterC()); 1351f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com assert registerType != null; 1352f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com if (registerType.category == RegisterType.Category.Unknown) { 1353f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com return false; 1354f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com } 1355f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com 1356f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com setDestinationRegisterTypeAndPropagateChanges(analyzedInstruction, 1357f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com RegisterType.getRegisterType(RegisterType.Category.Byte, null)); 1358f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com return true; 1359f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com } 1360f1a74cea19f10e9059e05f1cee6ae45baf118108JesusFreke@JesusFreke.com 1361aba6bb0bbd1537a6df9614ee579773e4a8af70ffJesusFreke@JesusFreke.com private boolean handleIfEqNe(AnalyzedInstruction analyzedInstruction) { 1362aba6bb0bbd1537a6df9614ee579773e4a8af70ffJesusFreke@JesusFreke.com TwoRegisterInstruction instruction = (TwoRegisterInstruction)analyzedInstruction.instruction; 1363aba6bb0bbd1537a6df9614ee579773e4a8af70ffJesusFreke@JesusFreke.com 1364aba6bb0bbd1537a6df9614ee579773e4a8af70ffJesusFreke@JesusFreke.com RegisterType registerType1 = analyzedInstruction.getPreInstructionRegisterType(instruction.getRegisterA()); 1365aba6bb0bbd1537a6df9614ee579773e4a8af70ffJesusFreke@JesusFreke.com assert registerType1 != null; 1366aba6bb0bbd1537a6df9614ee579773e4a8af70ffJesusFreke@JesusFreke.com if (registerType1.category == RegisterType.Category.Unknown) { 1367aba6bb0bbd1537a6df9614ee579773e4a8af70ffJesusFreke@JesusFreke.com return false; 1368aba6bb0bbd1537a6df9614ee579773e4a8af70ffJesusFreke@JesusFreke.com } 1369aba6bb0bbd1537a6df9614ee579773e4a8af70ffJesusFreke@JesusFreke.com 1370aba6bb0bbd1537a6df9614ee579773e4a8af70ffJesusFreke@JesusFreke.com RegisterType registerType2 = analyzedInstruction.getPreInstructionRegisterType(instruction.getRegisterB()); 1371aba6bb0bbd1537a6df9614ee579773e4a8af70ffJesusFreke@JesusFreke.com assert registerType2 != null; 1372aba6bb0bbd1537a6df9614ee579773e4a8af70ffJesusFreke@JesusFreke.com if (registerType2.category == RegisterType.Category.Unknown) { 1373aba6bb0bbd1537a6df9614ee579773e4a8af70ffJesusFreke@JesusFreke.com return false; 1374aba6bb0bbd1537a6df9614ee579773e4a8af70ffJesusFreke@JesusFreke.com } 1375aba6bb0bbd1537a6df9614ee579773e4a8af70ffJesusFreke@JesusFreke.com 1376aba6bb0bbd1537a6df9614ee579773e4a8af70ffJesusFreke@JesusFreke.com if (!( 1377aba6bb0bbd1537a6df9614ee579773e4a8af70ffJesusFreke@JesusFreke.com (ReferenceCategories.contains(registerType1.category) && 1378aba6bb0bbd1537a6df9614ee579773e4a8af70ffJesusFreke@JesusFreke.com ReferenceCategories.contains(registerType2.category)) 1379aba6bb0bbd1537a6df9614ee579773e4a8af70ffJesusFreke@JesusFreke.com || 1380aba6bb0bbd1537a6df9614ee579773e4a8af70ffJesusFreke@JesusFreke.com (Primitive32BitCategories.contains(registerType1.category) && 1381aba6bb0bbd1537a6df9614ee579773e4a8af70ffJesusFreke@JesusFreke.com Primitive32BitCategories.contains(registerType2.category)) 1382aba6bb0bbd1537a6df9614ee579773e4a8af70ffJesusFreke@JesusFreke.com )) { 1383aba6bb0bbd1537a6df9614ee579773e4a8af70ffJesusFreke@JesusFreke.com 1384aba6bb0bbd1537a6df9614ee579773e4a8af70ffJesusFreke@JesusFreke.com throw new ValidationException(String.format("%s cannot be used on registers of dissimilar types %s and " + 1385aba6bb0bbd1537a6df9614ee579773e4a8af70ffJesusFreke@JesusFreke.com "%s. They must both be a reference type or a primitive 32 bit type.", 1386aba6bb0bbd1537a6df9614ee579773e4a8af70ffJesusFreke@JesusFreke.com analyzedInstruction.instruction.opcode.name, registerType1.toString(), registerType2.toString())); 1387aba6bb0bbd1537a6df9614ee579773e4a8af70ffJesusFreke@JesusFreke.com } 1388aba6bb0bbd1537a6df9614ee579773e4a8af70ffJesusFreke@JesusFreke.com 1389aba6bb0bbd1537a6df9614ee579773e4a8af70ffJesusFreke@JesusFreke.com return true; 1390aba6bb0bbd1537a6df9614ee579773e4a8af70ffJesusFreke@JesusFreke.com } 1391aba6bb0bbd1537a6df9614ee579773e4a8af70ffJesusFreke@JesusFreke.com 1392150acd9db94f9886f6fc32e89acc15a1a5c1466fJesusFreke@JesusFreke.com private boolean handleIf(AnalyzedInstruction analyzedInstruction) { 1393150acd9db94f9886f6fc32e89acc15a1a5c1466fJesusFreke@JesusFreke.com TwoRegisterInstruction instruction = (TwoRegisterInstruction)analyzedInstruction.instruction; 1394150acd9db94f9886f6fc32e89acc15a1a5c1466fJesusFreke@JesusFreke.com 1395150acd9db94f9886f6fc32e89acc15a1a5c1466fJesusFreke@JesusFreke.com RegisterType registerType = analyzedInstruction.getPreInstructionRegisterType(instruction.getRegisterA()); 1396150acd9db94f9886f6fc32e89acc15a1a5c1466fJesusFreke@JesusFreke.com assert registerType != null; 1397150acd9db94f9886f6fc32e89acc15a1a5c1466fJesusFreke@JesusFreke.com 1398150acd9db94f9886f6fc32e89acc15a1a5c1466fJesusFreke@JesusFreke.com if (registerType.category == RegisterType.Category.Unknown) { 1399150acd9db94f9886f6fc32e89acc15a1a5c1466fJesusFreke@JesusFreke.com return false; 1400150acd9db94f9886f6fc32e89acc15a1a5c1466fJesusFreke@JesusFreke.com } 1401150acd9db94f9886f6fc32e89acc15a1a5c1466fJesusFreke@JesusFreke.com checkRegister(registerType, Primitive32BitCategories); 1402150acd9db94f9886f6fc32e89acc15a1a5c1466fJesusFreke@JesusFreke.com 1403150acd9db94f9886f6fc32e89acc15a1a5c1466fJesusFreke@JesusFreke.com registerType = analyzedInstruction.getPreInstructionRegisterType(instruction.getRegisterB()); 1404150acd9db94f9886f6fc32e89acc15a1a5c1466fJesusFreke@JesusFreke.com assert registerType != null; 1405150acd9db94f9886f6fc32e89acc15a1a5c1466fJesusFreke@JesusFreke.com 1406150acd9db94f9886f6fc32e89acc15a1a5c1466fJesusFreke@JesusFreke.com if (registerType.category == RegisterType.Category.Unknown) { 1407150acd9db94f9886f6fc32e89acc15a1a5c1466fJesusFreke@JesusFreke.com return false; 1408150acd9db94f9886f6fc32e89acc15a1a5c1466fJesusFreke@JesusFreke.com } 1409150acd9db94f9886f6fc32e89acc15a1a5c1466fJesusFreke@JesusFreke.com checkRegister(registerType, Primitive32BitCategories); 1410150acd9db94f9886f6fc32e89acc15a1a5c1466fJesusFreke@JesusFreke.com 1411150acd9db94f9886f6fc32e89acc15a1a5c1466fJesusFreke@JesusFreke.com return true; 1412150acd9db94f9886f6fc32e89acc15a1a5c1466fJesusFreke@JesusFreke.com } 1413150acd9db94f9886f6fc32e89acc15a1a5c1466fJesusFreke@JesusFreke.com 1414cb00252b6aed86cd3e7c426015cea83fcdbaa806JesusFreke@JesusFreke.com private boolean handleIfEqzNez(AnalyzedInstruction analyzedInstruction) { 1415cb00252b6aed86cd3e7c426015cea83fcdbaa806JesusFreke@JesusFreke.com SingleRegisterInstruction instruction = (SingleRegisterInstruction)analyzedInstruction.instruction; 1416cb00252b6aed86cd3e7c426015cea83fcdbaa806JesusFreke@JesusFreke.com 1417cb00252b6aed86cd3e7c426015cea83fcdbaa806JesusFreke@JesusFreke.com RegisterType registerType = analyzedInstruction.getPreInstructionRegisterType(instruction.getRegisterA()); 1418cb00252b6aed86cd3e7c426015cea83fcdbaa806JesusFreke@JesusFreke.com assert registerType != null; 1419cb00252b6aed86cd3e7c426015cea83fcdbaa806JesusFreke@JesusFreke.com if (registerType.category == RegisterType.Category.Unknown) { 1420cb00252b6aed86cd3e7c426015cea83fcdbaa806JesusFreke@JesusFreke.com return false; 1421cb00252b6aed86cd3e7c426015cea83fcdbaa806JesusFreke@JesusFreke.com } 1422cb00252b6aed86cd3e7c426015cea83fcdbaa806JesusFreke@JesusFreke.com 1423cb00252b6aed86cd3e7c426015cea83fcdbaa806JesusFreke@JesusFreke.com if (!ReferenceCategories.contains(registerType.category) && 1424cb00252b6aed86cd3e7c426015cea83fcdbaa806JesusFreke@JesusFreke.com !Primitive32BitCategories.contains(registerType.category)) { 1425cb00252b6aed86cd3e7c426015cea83fcdbaa806JesusFreke@JesusFreke.com throw new ValidationException(String.format("%s cannot be used with register type %s. Expecting 32-bit " + 1426cb00252b6aed86cd3e7c426015cea83fcdbaa806JesusFreke@JesusFreke.com "primitive type or reference type.", analyzedInstruction.instruction.opcode)); 1427cb00252b6aed86cd3e7c426015cea83fcdbaa806JesusFreke@JesusFreke.com } 1428cb00252b6aed86cd3e7c426015cea83fcdbaa806JesusFreke@JesusFreke.com 1429cb00252b6aed86cd3e7c426015cea83fcdbaa806JesusFreke@JesusFreke.com return true; 1430cb00252b6aed86cd3e7c426015cea83fcdbaa806JesusFreke@JesusFreke.com } 1431cb00252b6aed86cd3e7c426015cea83fcdbaa806JesusFreke@JesusFreke.com 143216a709ba046343bfefc15a6cdb0be38282126223JesusFreke@JesusFreke.com private boolean handleIfz(AnalyzedInstruction analyzedInstruction) { 143316a709ba046343bfefc15a6cdb0be38282126223JesusFreke@JesusFreke.com SingleRegisterInstruction instruction = (SingleRegisterInstruction)analyzedInstruction.instruction; 143416a709ba046343bfefc15a6cdb0be38282126223JesusFreke@JesusFreke.com 143516a709ba046343bfefc15a6cdb0be38282126223JesusFreke@JesusFreke.com RegisterType registerType = analyzedInstruction.getPreInstructionRegisterType(instruction.getRegisterA()); 143616a709ba046343bfefc15a6cdb0be38282126223JesusFreke@JesusFreke.com assert registerType != null; 143716a709ba046343bfefc15a6cdb0be38282126223JesusFreke@JesusFreke.com 143816a709ba046343bfefc15a6cdb0be38282126223JesusFreke@JesusFreke.com if (registerType.category == RegisterType.Category.Unknown) { 143916a709ba046343bfefc15a6cdb0be38282126223JesusFreke@JesusFreke.com return false; 144016a709ba046343bfefc15a6cdb0be38282126223JesusFreke@JesusFreke.com } 144116a709ba046343bfefc15a6cdb0be38282126223JesusFreke@JesusFreke.com checkRegister(registerType, Primitive32BitCategories); 144216a709ba046343bfefc15a6cdb0be38282126223JesusFreke@JesusFreke.com 144316a709ba046343bfefc15a6cdb0be38282126223JesusFreke@JesusFreke.com return true; 144416a709ba046343bfefc15a6cdb0be38282126223JesusFreke@JesusFreke.com } 144516a709ba046343bfefc15a6cdb0be38282126223JesusFreke@JesusFreke.com 1446b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com private boolean handle32BitPrimitiveAget(AnalyzedInstruction analyzedInstruction, 1447b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com RegisterType.Category instructionCategory) { 1448b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com ThreeRegisterInstruction instruction = (ThreeRegisterInstruction)analyzedInstruction.instruction; 1449b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com 1450b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com RegisterType indexRegisterType = analyzedInstruction.getPreInstructionRegisterType(instruction.getRegisterC()); 1451b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com assert indexRegisterType != null; 1452b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com if (indexRegisterType.category == RegisterType.Category.Unknown) { 1453b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com return false; 1454b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com } 1455b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com checkRegister(indexRegisterType, Primitive32BitCategories); 1456b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com 1457b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com RegisterType arrayRegisterType = analyzedInstruction.getPreInstructionRegisterType(instruction.getRegisterB()); 1458b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com assert arrayRegisterType != null; 1459b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com if (indexRegisterType.category == RegisterType.Category.Unknown) { 1460b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com return false; 1461b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com } 1462b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com 1463b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com if (arrayRegisterType.category != RegisterType.Category.Null) { 1464b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com if (arrayRegisterType.category != RegisterType.Category.Reference) { 1465b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use %s with non-array type %s", 1466b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com analyzedInstruction.instruction.opcode.name, arrayRegisterType.category.toString())); 1467b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com } 1468b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com 1469b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com assert arrayRegisterType.type != null; 1470b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com if (arrayRegisterType.type.getClassType().charAt(0) != '[') { 1471b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use %s with non-array type %s", 1472b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com analyzedInstruction.instruction.opcode.name, arrayRegisterType.type.getClassType())); 1473b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com } 1474b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com 1475b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com assert arrayRegisterType.type instanceof ClassPath.ArrayClassDef; 1476b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com ClassPath.ArrayClassDef arrayClassDef = (ClassPath.ArrayClassDef)arrayRegisterType.type; 1477b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com 1478b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com if (arrayClassDef.getArrayDimensions() != 1) { 1479b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use %s with multi-dimensional array type %s", 1480b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com analyzedInstruction.instruction.opcode.name, arrayRegisterType.type.getClassType())); 1481b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com } 1482b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com 1483b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com RegisterType arrayBaseType = 1484b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com RegisterType.getRegisterTypeForType(arrayClassDef.getBaseElementClass().getClassType()); 1485b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com if (checkArrayFieldAssignment(arrayBaseType.category, instructionCategory)) { 1486b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use %s with array type %s. Incorrect array type " + 1487b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com "for the instruction.", analyzedInstruction.instruction.opcode.name, 1488b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com arrayRegisterType.type.getClassType())); 1489b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com } 1490b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com } 1491b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com 1492b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com setDestinationRegisterTypeAndPropagateChanges(analyzedInstruction, 1493b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com RegisterType.getRegisterType(instructionCategory, null)); 1494b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com 1495b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com return true; 1496b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com } 1497b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com 1498c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com private boolean handleAgetWide(AnalyzedInstruction analyzedInstruction) { 1499c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com ThreeRegisterInstruction instruction = (ThreeRegisterInstruction)analyzedInstruction.instruction; 1500c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com 1501c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com RegisterType indexRegisterType = analyzedInstruction.getPreInstructionRegisterType(instruction.getRegisterC()); 1502c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com assert indexRegisterType != null; 1503c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com if (indexRegisterType.category == RegisterType.Category.Unknown) { 1504c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com return false; 1505c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com } 1506c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com checkRegister(indexRegisterType, Primitive32BitCategories); 1507c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com 1508c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com RegisterType arrayRegisterType = analyzedInstruction.getPreInstructionRegisterType(instruction.getRegisterB()); 1509c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com assert arrayRegisterType != null; 1510c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com if (indexRegisterType.category == RegisterType.Category.Unknown) { 1511c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com return false; 1512c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com } 1513c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com 1514c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com if (arrayRegisterType.category != RegisterType.Category.Null) { 1515c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com if (arrayRegisterType.category != RegisterType.Category.Reference) { 1516c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use aget-wide with non-array type %s", 1517c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com arrayRegisterType.category.toString())); 1518c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com } 1519c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com 1520c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com assert arrayRegisterType.type != null; 1521c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com if (arrayRegisterType.type.getClassType().charAt(0) != '[') { 1522c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use aget-wide with non-array type %s", 1523c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com arrayRegisterType.type.getClassType())); 1524c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com } 1525c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com 1526c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com assert arrayRegisterType.type instanceof ClassPath.ArrayClassDef; 1527c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com ClassPath.ArrayClassDef arrayClassDef = (ClassPath.ArrayClassDef)arrayRegisterType.type; 1528c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com 1529c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com if (arrayClassDef.getArrayDimensions() != 1) { 1530c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use aget-wide with multi-dimensional array type %s", 1531c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com arrayRegisterType.type.getClassType())); 1532c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com } 1533c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com 1534c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com char arrayBaseType = arrayClassDef.getBaseElementClass().getClassType().charAt(0); 1535c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com if (arrayBaseType == 'J') { 1536c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com setWideDestinationRegisterTypeAndPropagateChanges(analyzedInstruction, 1537c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com RegisterType.getRegisterType(RegisterType.Category.LongLo, null)); 1538c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com } else if (arrayBaseType == 'D') { 1539c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com setWideDestinationRegisterTypeAndPropagateChanges(analyzedInstruction, 1540c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com RegisterType.getRegisterType(RegisterType.Category.DoubleLo, null)); 1541c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com } else { 1542c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use aget-wide with array type %s. Incorrect " + 1543c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com "array type for the instruction.", arrayRegisterType.type.getClassType())); 1544c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com } 1545c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com } else { 1546c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com setWideDestinationRegisterTypeAndPropagateChanges(analyzedInstruction, 1547c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com RegisterType.getRegisterType(RegisterType.Category.LongLo, null)); 1548c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com } 1549c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com 1550c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com return true; 1551c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com } 1552c308b24b6261ea81497a69e6d4d7ef6319943b10JesusFreke@JesusFreke.com 1553461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com private boolean handleAgetObject(AnalyzedInstruction analyzedInstruction) { 1554461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com ThreeRegisterInstruction instruction = (ThreeRegisterInstruction)analyzedInstruction.instruction; 1555461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com 1556461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com RegisterType indexRegisterType = analyzedInstruction.getPreInstructionRegisterType(instruction.getRegisterC()); 1557461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com assert indexRegisterType != null; 1558461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com if (indexRegisterType.category == RegisterType.Category.Unknown) { 1559461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com return false; 1560461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com } 1561461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com checkRegister(indexRegisterType, Primitive32BitCategories); 1562461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com 1563461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com RegisterType arrayRegisterType = analyzedInstruction.getPreInstructionRegisterType(instruction.getRegisterB()); 1564461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com assert arrayRegisterType != null; 1565461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com if (indexRegisterType.category == RegisterType.Category.Unknown) { 1566461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com return false; 1567461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com } 1568461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com 1569461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com if (arrayRegisterType.category != RegisterType.Category.Null) { 1570461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com if (arrayRegisterType.category != RegisterType.Category.Reference) { 1571461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use aget-object with non-array type %s", 1572461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com arrayRegisterType.category.toString())); 1573461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com } 1574461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com 1575461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com assert arrayRegisterType.type != null; 1576461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com if (arrayRegisterType.type.getClassType().charAt(0) != '[') { 1577461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use aget-object with non-array type %s", 1578461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com arrayRegisterType.type.getClassType())); 1579461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com } 1580461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com 1581461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com assert arrayRegisterType.type instanceof ClassPath.ArrayClassDef; 1582461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com ClassPath.ArrayClassDef arrayClassDef = (ClassPath.ArrayClassDef)arrayRegisterType.type; 1583461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com 1584461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com ClassPath.ClassDef elementClassDef = arrayClassDef.getImmediateElementClass(); 1585461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com char elementTypePrefix = elementClassDef.getClassType().charAt(0); 1586461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com if (elementTypePrefix != 'L' && elementTypePrefix != '[') { 1587461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use aget-object with array type %s. Incorrect " + 1588461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com "array type for the instruction.", arrayRegisterType.type.getClassType())); 1589461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com } 1590461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com 1591461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com setDestinationRegisterTypeAndPropagateChanges(analyzedInstruction, 1592461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com RegisterType.getRegisterType(RegisterType.Category.Reference, elementClassDef)); 1593461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com } else { 1594461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com setDestinationRegisterTypeAndPropagateChanges(analyzedInstruction, 1595461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com RegisterType.getRegisterType(RegisterType.Category.Null, null)); 1596461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com } 1597461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com 1598461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com return true; 1599461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com } 1600461a797324f0377db6cf06f680dec894b6f91204JesusFreke@JesusFreke.com 1601c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com private boolean handle32BitPrimitiveAput(AnalyzedInstruction analyzedInstruction, 1602c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com RegisterType.Category instructionCategory) { 1603c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com ThreeRegisterInstruction instruction = (ThreeRegisterInstruction)analyzedInstruction.instruction; 1604c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com 1605c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com RegisterType indexRegisterType = analyzedInstruction.getPreInstructionRegisterType(instruction.getRegisterC()); 1606c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com assert indexRegisterType != null; 1607c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com if (indexRegisterType.category == RegisterType.Category.Unknown) { 1608c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com return false; 1609c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com } 1610c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com checkRegister(indexRegisterType, Primitive32BitCategories); 1611c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com 1612c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com 1613c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com RegisterType sourceRegisterType = analyzedInstruction.getPreInstructionRegisterType(instruction.getRegisterA()); 1614c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com assert sourceRegisterType != null; 1615c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com if (sourceRegisterType.category == RegisterType.Category.Unknown) { 1616c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com return false; 1617c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com } 1618c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com RegisterType instructionRegisterType = RegisterType.getRegisterType(instructionCategory, null); 1619c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com if (!sourceRegisterType.canBeAssignedTo(instructionRegisterType)) { 1620c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use %s with source register type %s.", 1621c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com analyzedInstruction.instruction.opcode.name, sourceRegisterType.toString())); 1622c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com } 1623c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com 1624c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com 1625c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com RegisterType arrayRegisterType = analyzedInstruction.getPreInstructionRegisterType(instruction.getRegisterB()); 1626c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com assert arrayRegisterType != null; 1627c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com if (indexRegisterType.category == RegisterType.Category.Unknown) { 1628c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com return false; 1629c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com } 1630c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com 1631c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com if (arrayRegisterType.category != RegisterType.Category.Null) { 1632c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com if (arrayRegisterType.category != RegisterType.Category.Reference) { 1633c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use %s with non-array type %s", 1634c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com analyzedInstruction.instruction.opcode.name, arrayRegisterType.category.toString())); 1635c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com } 1636c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com 1637c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com assert arrayRegisterType.type != null; 1638c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com if (arrayRegisterType.type.getClassType().charAt(0) != '[') { 1639c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use %s with non-array type %s", 1640c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com analyzedInstruction.instruction.opcode.name, arrayRegisterType.type.getClassType())); 1641c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com } 1642c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com 1643c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com assert arrayRegisterType.type instanceof ClassPath.ArrayClassDef; 1644c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com ClassPath.ArrayClassDef arrayClassDef = (ClassPath.ArrayClassDef)arrayRegisterType.type; 1645c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com 1646c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com if (arrayClassDef.getArrayDimensions() != 1) { 1647c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use %s with multi-dimensional array type %s", 1648c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com analyzedInstruction.instruction.opcode.name, arrayRegisterType.type.getClassType())); 1649c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com } 1650c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com 1651c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com RegisterType arrayBaseType = 1652c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com RegisterType.getRegisterTypeForType(arrayClassDef.getBaseElementClass().getClassType()); 1653c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com if (checkArrayFieldAssignment(arrayBaseType.category, instructionCategory)) { 1654c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use %s with array type %s. Incorrect array type " + 1655c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com "for the instruction.", analyzedInstruction.instruction.opcode.name, 1656c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com arrayRegisterType.type.getClassType())); 165755d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com } 165855d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com } 165955d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com 166055d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com return true; 166155d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com } 166255d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com 166355d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com private boolean handleAputWide(AnalyzedInstruction analyzedInstruction) { 166455d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com ThreeRegisterInstruction instruction = (ThreeRegisterInstruction)analyzedInstruction.instruction; 166555d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com 166655d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com RegisterType indexRegisterType = analyzedInstruction.getPreInstructionRegisterType(instruction.getRegisterC()); 166755d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com assert indexRegisterType != null; 166855d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com if (indexRegisterType.category == RegisterType.Category.Unknown) { 166955d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com return false; 167055d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com } 167155d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com checkRegister(indexRegisterType, Primitive32BitCategories); 167255d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com 167355d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com RegisterType sourceRegisterType = getAndCheckWideSourcePair(analyzedInstruction, instruction.getRegisterA()); 167455d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com if (sourceRegisterType.category == RegisterType.Category.Unknown) { 167555d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com return false; 167655d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com } 167755d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com 167855d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com RegisterType arrayRegisterType = analyzedInstruction.getPreInstructionRegisterType(instruction.getRegisterB()); 167955d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com assert arrayRegisterType != null; 168055d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com if (indexRegisterType.category == RegisterType.Category.Unknown) { 168155d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com return false; 168255d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com } 168355d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com 168455d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com if (arrayRegisterType.category != RegisterType.Category.Null) { 168555d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com if (arrayRegisterType.category != RegisterType.Category.Reference) { 168655d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use aput-wide with non-array type %s", 168755d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com arrayRegisterType.category.toString())); 168855d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com } 168955d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com 169055d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com assert arrayRegisterType.type != null; 169155d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com if (arrayRegisterType.type.getClassType().charAt(0) != '[') { 169255d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use aput-wide with non-array type %s", 169355d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com arrayRegisterType.type.getClassType())); 169455d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com } 169555d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com 169655d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com assert arrayRegisterType.type instanceof ClassPath.ArrayClassDef; 169755d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com ClassPath.ArrayClassDef arrayClassDef = (ClassPath.ArrayClassDef)arrayRegisterType.type; 169855d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com 169955d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com if (arrayClassDef.getArrayDimensions() != 1) { 170055d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use aput-wide with multi-dimensional array type %s", 170155d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com arrayRegisterType.type.getClassType())); 170255d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com } 170355d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com 170455d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com char arrayBaseType = arrayClassDef.getBaseElementClass().getClassType().charAt(0); 170555d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com if (arrayBaseType != 'J' && arrayBaseType != 'D') { 170655d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use aput-wide with array type %s. Incorrect " + 170755d43e36eb862bf86ceaf9c664789ce2c4d92af8JesusFreke@JesusFreke.com "array type for the instruction.", arrayRegisterType.type.getClassType())); 1708898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com } 1709898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com } 1710898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com 1711898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com return true; 1712898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com } 1713898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com 1714898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com private boolean handleAputObject(AnalyzedInstruction analyzedInstruction) { 1715898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com ThreeRegisterInstruction instruction = (ThreeRegisterInstruction)analyzedInstruction.instruction; 1716898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com 1717898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com RegisterType indexRegisterType = analyzedInstruction.getPreInstructionRegisterType(instruction.getRegisterC()); 1718898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com assert indexRegisterType != null; 1719898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com if (indexRegisterType.category == RegisterType.Category.Unknown) { 1720898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com return false; 1721898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com } 1722898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com checkRegister(indexRegisterType, Primitive32BitCategories); 1723898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com 1724898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com RegisterType sourceRegisterType = analyzedInstruction.getPreInstructionRegisterType(instruction.getRegisterA()); 1725898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com assert sourceRegisterType != null; 1726898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com if (sourceRegisterType.category == RegisterType.Category.Unknown) { 1727898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com return false; 1728898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com } 17296d11e9062dfaa27c7fa8719d9d9b4f58b0d5cfa0JesusFreke@JesusFreke.com //TODO: ensure sourceRegisterType is a Reference type? 1730898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com 1731898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com RegisterType arrayRegisterType = analyzedInstruction.getPreInstructionRegisterType(instruction.getRegisterB()); 1732898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com assert arrayRegisterType != null; 1733898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com if (indexRegisterType.category == RegisterType.Category.Unknown) { 1734898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com return false; 1735898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com } 1736898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com 1737898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com if (arrayRegisterType.category != RegisterType.Category.Null) { 1738898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com //don't check the source type against the array type, just make sure it is an array of reference types 1739898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com 1740898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com if (arrayRegisterType.category != RegisterType.Category.Reference) { 1741898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use aget-object with non-array type %s", 1742898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com arrayRegisterType.category.toString())); 1743898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com } 1744898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com 1745898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com assert arrayRegisterType.type != null; 1746898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com if (arrayRegisterType.type.getClassType().charAt(0) != '[') { 1747898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use aget-object with non-array type %s", 1748898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com arrayRegisterType.type.getClassType())); 1749898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com } 1750898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com 1751898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com assert arrayRegisterType.type instanceof ClassPath.ArrayClassDef; 1752898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com ClassPath.ArrayClassDef arrayClassDef = (ClassPath.ArrayClassDef)arrayRegisterType.type; 1753898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com 1754898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com ClassPath.ClassDef elementClassDef = arrayClassDef.getImmediateElementClass(); 1755898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com char elementTypePrefix = elementClassDef.getClassType().charAt(0); 1756898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com if (elementTypePrefix != 'L' && elementTypePrefix != '[') { 1757898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use aget-object with array type %s. Incorrect " + 1758898e750048326802a488623d1ebf475df9bca209JesusFreke@JesusFreke.com "array type for the instruction.", arrayRegisterType.type.getClassType())); 1759c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com } 1760c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com } 1761c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com 1762c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com return true; 1763c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com } 1764c849236be2031b02d66eac4149617fd8a83572b4JesusFreke@JesusFreke.com 17654f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com private boolean handle32BitPrimitiveIget(AnalyzedInstruction analyzedInstruction, 17664f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com RegisterType.Category instructionCategory) { 17674f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com TwoRegisterInstruction instruction = (TwoRegisterInstruction)analyzedInstruction.instruction; 17684f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com 17694f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com RegisterType objectRegisterType = analyzedInstruction.getPreInstructionRegisterType(instruction.getRegisterB()); 17704f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com assert objectRegisterType != null; 17714f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com if (objectRegisterType.category == RegisterType.Category.Unknown) { 17724f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com return false; 17734f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com } 17744f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com checkRegister(objectRegisterType, ReferenceCategories); 17754f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com 17764f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com //TODO: check access 17774f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com //TODO: allow an uninitialized "this" reference, if the current method is an <init> method 17784f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com Item referencedItem = ((InstructionWithReference)analyzedInstruction.instruction).getReferencedItem(); 17794f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com assert referencedItem instanceof FieldIdItem; 17804f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com FieldIdItem field = (FieldIdItem)referencedItem; 17814f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com 17824f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com if (objectRegisterType.category != RegisterType.Category.Null && 17834f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com !objectRegisterType.type.extendsClass(ClassPath.getClassDef(field.getContainingClass()))) { 17844f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot access field %s through type %s", 17854f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com field.getFieldString(), objectRegisterType.type.getClassType())); 17864f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com } 17874f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com 17884f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com RegisterType fieldType = RegisterType.getRegisterTypeForTypeIdItem(field.getFieldType()); 17894f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com 17904f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com if (!checkArrayFieldAssignment(fieldType.category, instructionCategory)) { 17914f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use %s with field %s. Incorrect field type " + 17924f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com "for the instruction.", analyzedInstruction.instruction.opcode.name, 17934f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com field.getFieldString())); 17944f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com } 17954f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com 17964f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com setDestinationRegisterTypeAndPropagateChanges(analyzedInstruction, 17974f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com RegisterType.getRegisterType(instructionCategory, null)); 17984f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com 17994f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com return true; 18004f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com } 18014f84e8f9e9bf4c74cbb2fc083d16ecb4fe0ec501JesusFreke@JesusFreke.com 18029d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com private boolean handleIgetWide(AnalyzedInstruction analyzedInstruction) { 18039d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com TwoRegisterInstruction instruction = (TwoRegisterInstruction)analyzedInstruction.instruction; 18049d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com 18059d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com RegisterType objectRegisterType = analyzedInstruction.getPreInstructionRegisterType(instruction.getRegisterB()); 18069d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com assert objectRegisterType != null; 18079d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com if (objectRegisterType.category == RegisterType.Category.Unknown) { 18089d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com return false; 18099d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com } 18109d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com checkRegister(objectRegisterType, ReferenceCategories); 18119d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com 18129d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com getAndCheckWideSourcePair(analyzedInstruction, instruction.getRegisterB()); 18139d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com 18149d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com //TODO: check access 18159d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com //TODO: allow an uninitialized "this" reference, if the current method is an <init> method 18169d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com Item referencedItem = ((InstructionWithReference)analyzedInstruction.instruction).getReferencedItem(); 18179d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com assert referencedItem instanceof FieldIdItem; 18189d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com FieldIdItem field = (FieldIdItem)referencedItem; 18199d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com 18209d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com if (objectRegisterType.category != RegisterType.Category.Null && 18219d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com !objectRegisterType.type.extendsClass(ClassPath.getClassDef(field.getContainingClass()))) { 18229d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot access field %s through type %s", 18239d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com field.getFieldString(), objectRegisterType.type.getClassType())); 18249d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com } 18259d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com 18269d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com RegisterType fieldType = RegisterType.getRegisterTypeForTypeIdItem(field.getFieldType()); 18279d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com 18289d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com try { 18299d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com checkRegister(fieldType, WideLowCategories); 18309d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com } catch (ValidationException ex) { 18319d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use %s with field %s. Incorrect field type " + 18329d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com "for the instruction.", analyzedInstruction.instruction.opcode.name, 18339d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com field.getFieldString())); 18349d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com } 18359d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com 18369d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com setWideDestinationRegisterTypeAndPropagateChanges(analyzedInstruction, fieldType); 18377a58f2434a2d906735ce585064d0fa46003c460dJesusFreke@JesusFreke.com 18387a58f2434a2d906735ce585064d0fa46003c460dJesusFreke@JesusFreke.com return true; 18397a58f2434a2d906735ce585064d0fa46003c460dJesusFreke@JesusFreke.com } 18407a58f2434a2d906735ce585064d0fa46003c460dJesusFreke@JesusFreke.com 18417a58f2434a2d906735ce585064d0fa46003c460dJesusFreke@JesusFreke.com private boolean handleIgetObject(AnalyzedInstruction analyzedInstruction) { 18427a58f2434a2d906735ce585064d0fa46003c460dJesusFreke@JesusFreke.com TwoRegisterInstruction instruction = (TwoRegisterInstruction)analyzedInstruction.instruction; 18437a58f2434a2d906735ce585064d0fa46003c460dJesusFreke@JesusFreke.com 18447a58f2434a2d906735ce585064d0fa46003c460dJesusFreke@JesusFreke.com RegisterType objectRegisterType = analyzedInstruction.getPreInstructionRegisterType(instruction.getRegisterB()); 18457a58f2434a2d906735ce585064d0fa46003c460dJesusFreke@JesusFreke.com assert objectRegisterType != null; 18467a58f2434a2d906735ce585064d0fa46003c460dJesusFreke@JesusFreke.com if (objectRegisterType.category == RegisterType.Category.Unknown) { 18477a58f2434a2d906735ce585064d0fa46003c460dJesusFreke@JesusFreke.com return false; 18487a58f2434a2d906735ce585064d0fa46003c460dJesusFreke@JesusFreke.com } 18497a58f2434a2d906735ce585064d0fa46003c460dJesusFreke@JesusFreke.com checkRegister(objectRegisterType, ReferenceCategories); 18507a58f2434a2d906735ce585064d0fa46003c460dJesusFreke@JesusFreke.com 18517a58f2434a2d906735ce585064d0fa46003c460dJesusFreke@JesusFreke.com //TODO: check access 18527a58f2434a2d906735ce585064d0fa46003c460dJesusFreke@JesusFreke.com //TODO: allow an uninitialized "this" reference, if the current method is an <init> method 18537a58f2434a2d906735ce585064d0fa46003c460dJesusFreke@JesusFreke.com Item referencedItem = ((InstructionWithReference)analyzedInstruction.instruction).getReferencedItem(); 18547a58f2434a2d906735ce585064d0fa46003c460dJesusFreke@JesusFreke.com assert referencedItem instanceof FieldIdItem; 18557a58f2434a2d906735ce585064d0fa46003c460dJesusFreke@JesusFreke.com FieldIdItem field = (FieldIdItem)referencedItem; 18567a58f2434a2d906735ce585064d0fa46003c460dJesusFreke@JesusFreke.com 18577a58f2434a2d906735ce585064d0fa46003c460dJesusFreke@JesusFreke.com if (objectRegisterType.category != RegisterType.Category.Null && 18587a58f2434a2d906735ce585064d0fa46003c460dJesusFreke@JesusFreke.com !objectRegisterType.type.extendsClass(ClassPath.getClassDef(field.getContainingClass()))) { 18597a58f2434a2d906735ce585064d0fa46003c460dJesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot access field %s through type %s", 18607a58f2434a2d906735ce585064d0fa46003c460dJesusFreke@JesusFreke.com field.getFieldString(), objectRegisterType.type.getClassType())); 18617a58f2434a2d906735ce585064d0fa46003c460dJesusFreke@JesusFreke.com } 18627a58f2434a2d906735ce585064d0fa46003c460dJesusFreke@JesusFreke.com 18637a58f2434a2d906735ce585064d0fa46003c460dJesusFreke@JesusFreke.com RegisterType fieldType = RegisterType.getRegisterTypeForTypeIdItem(field.getFieldType()); 18647a58f2434a2d906735ce585064d0fa46003c460dJesusFreke@JesusFreke.com 18657a58f2434a2d906735ce585064d0fa46003c460dJesusFreke@JesusFreke.com if (fieldType.category != RegisterType.Category.Reference) { 18667a58f2434a2d906735ce585064d0fa46003c460dJesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use %s with field %s. Incorrect field type " + 18677a58f2434a2d906735ce585064d0fa46003c460dJesusFreke@JesusFreke.com "for the instruction.", analyzedInstruction.instruction.opcode.name, 18687a58f2434a2d906735ce585064d0fa46003c460dJesusFreke@JesusFreke.com field.getFieldString())); 18697a58f2434a2d906735ce585064d0fa46003c460dJesusFreke@JesusFreke.com } 18707a58f2434a2d906735ce585064d0fa46003c460dJesusFreke@JesusFreke.com 18717a58f2434a2d906735ce585064d0fa46003c460dJesusFreke@JesusFreke.com setDestinationRegisterTypeAndPropagateChanges(analyzedInstruction, fieldType); 18729d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com 18739d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com return true; 18749d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com } 18759d92fd3748eab8f23502dc11aff06e6e7d29d1f3JesusFreke@JesusFreke.com 18769971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com private boolean handle32BitPrimitiveIput(AnalyzedInstruction analyzedInstruction, 18779971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com RegisterType.Category instructionCategory) { 18789971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com TwoRegisterInstruction instruction = (TwoRegisterInstruction)analyzedInstruction.instruction; 18799971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com 18809971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com RegisterType objectRegisterType = analyzedInstruction.getPreInstructionRegisterType(instruction.getRegisterB()); 18819971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com assert objectRegisterType != null; 18829971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com if (objectRegisterType.category == RegisterType.Category.Unknown) { 18839971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com return false; 18849971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com } 18859971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com checkRegister(objectRegisterType, ReferenceCategories); 18869971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com 18879971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com RegisterType sourceRegisterType = analyzedInstruction.getPreInstructionRegisterType(instruction.getRegisterA()); 18889971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com assert sourceRegisterType != null; 18899971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com if (sourceRegisterType.category == RegisterType.Category.Unknown) { 18909971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com return false; 18919971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com } 18929971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com 18939971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com //per CodeVerify.c in dalvik: 18949971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com //java generates synthetic functions that write byte values into boolean fields 18959971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com if (sourceRegisterType.category == RegisterType.Category.Byte && 18969971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com instructionCategory == RegisterType.Category.Boolean) { 18979971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com 18989971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com sourceRegisterType = RegisterType.getRegisterType(RegisterType.Category.Boolean, null); 18999971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com } 19009971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com 19019971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com RegisterType instructionRegisterType = RegisterType.getRegisterType(instructionCategory, null); 19029971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com if (!sourceRegisterType.canBeAssignedTo(instructionRegisterType)) { 19039971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use %s with source register type %s.", 19049971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com analyzedInstruction.instruction.opcode.name, sourceRegisterType.toString())); 19059971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com } 19069971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com 19079971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com 19089971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com //TODO: check access 19099971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com //TODO: allow an uninitialized "this" reference, if the current method is an <init> method 19109971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com Item referencedItem = ((InstructionWithReference)analyzedInstruction.instruction).getReferencedItem(); 19119971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com assert referencedItem instanceof FieldIdItem; 19129971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com FieldIdItem field = (FieldIdItem)referencedItem; 19139971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com 19149971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com if (objectRegisterType.category != RegisterType.Category.Null && 19159971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com !objectRegisterType.type.extendsClass(ClassPath.getClassDef(field.getContainingClass()))) { 19169971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot access field %s through type %s", 19179971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com field.getFieldString(), objectRegisterType.type.getClassType())); 19189971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com } 19199971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com 19209971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com RegisterType fieldType = RegisterType.getRegisterTypeForTypeIdItem(field.getFieldType()); 19219971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com 19229971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com if (!checkArrayFieldAssignment(fieldType.category, instructionCategory)) { 19239971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use %s with field %s. Incorrect field type " + 19249971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com "for the instruction.", analyzedInstruction.instruction.opcode.name, 19259971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com field.getFieldString())); 19269971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com } 19279971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com 19289971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com return true; 19299971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com } 19309971346f4ce431e103c900cfdc14299ea25c685dJesusFreke@JesusFreke.com 193192616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com private boolean handleIputWide(AnalyzedInstruction analyzedInstruction) { 193292616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com TwoRegisterInstruction instruction = (TwoRegisterInstruction)analyzedInstruction.instruction; 193392616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com 193492616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com RegisterType objectRegisterType = analyzedInstruction.getPreInstructionRegisterType(instruction.getRegisterB()); 193592616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com assert objectRegisterType != null; 193692616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com if (objectRegisterType.category == RegisterType.Category.Unknown) { 193792616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com return false; 193892616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com } 193992616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com checkRegister(objectRegisterType, ReferenceCategories); 194092616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com 194192616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com RegisterType sourceRegisterType = getAndCheckWideSourcePair(analyzedInstruction, instruction.getRegisterA()); 194292616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com assert sourceRegisterType != null; 194392616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com if (sourceRegisterType.category == RegisterType.Category.Unknown) { 194492616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com return false; 194592616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com } 194692616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com 194792616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com //TODO: check access 194892616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com //TODO: allow an uninitialized "this" reference, if the current method is an <init> method 194992616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com Item referencedItem = ((InstructionWithReference)analyzedInstruction.instruction).getReferencedItem(); 195092616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com assert referencedItem instanceof FieldIdItem; 195192616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com FieldIdItem field = (FieldIdItem)referencedItem; 195292616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com 195392616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com if (objectRegisterType.category != RegisterType.Category.Null && 195492616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com !objectRegisterType.type.extendsClass(ClassPath.getClassDef(field.getContainingClass()))) { 195592616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot access field %s through type %s", 195692616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com field.getFieldString(), objectRegisterType.type.getClassType())); 195792616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com } 195892616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com 195992616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com RegisterType fieldType = RegisterType.getRegisterTypeForTypeIdItem(field.getFieldType()); 196092616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com 196192616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com if (!WideLowCategories.contains(fieldType.category)) { 196292616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use %s with field %s. Incorrect field type " + 196392616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com "for the instruction.", analyzedInstruction.instruction.opcode.name, 196492616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com field.getFieldString())); 196592616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com } 196692616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com 196792616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com return true; 196892616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com } 196992616c9f60a30b5d5ac423675db732cb2428ce79JesusFreke@JesusFreke.com 197050ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com private boolean handleIputObject(AnalyzedInstruction analyzedInstruction) { 197150ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com TwoRegisterInstruction instruction = (TwoRegisterInstruction)analyzedInstruction.instruction; 197250ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com 197350ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com RegisterType objectRegisterType = analyzedInstruction.getPreInstructionRegisterType(instruction.getRegisterB()); 197450ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com assert objectRegisterType != null; 197550ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com if (objectRegisterType.category == RegisterType.Category.Unknown) { 197650ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com return false; 197750ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com } 197850ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com checkRegister(objectRegisterType, ReferenceCategories); 197950ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com 198050ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com RegisterType sourceRegisterType = analyzedInstruction.getPreInstructionRegisterType(instruction.getRegisterA()); 198150ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com assert sourceRegisterType != null; 198250ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com if (sourceRegisterType.category == RegisterType.Category.Unknown) { 198350ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com return false; 198450ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com } 19856d11e9062dfaa27c7fa8719d9d9b4f58b0d5cfa0JesusFreke@JesusFreke.com checkRegister(sourceRegisterType, ReferenceCategories); 198650ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com 198750ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com //TODO: check access 198850ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com //TODO: allow an uninitialized "this" reference, if the current method is an <init> method 198950ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com Item referencedItem = ((InstructionWithReference)analyzedInstruction.instruction).getReferencedItem(); 199050ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com assert referencedItem instanceof FieldIdItem; 199150ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com FieldIdItem field = (FieldIdItem)referencedItem; 199250ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com 199350ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com if (objectRegisterType.category != RegisterType.Category.Null && 199450ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com !objectRegisterType.type.extendsClass(ClassPath.getClassDef(field.getContainingClass()))) { 199550ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot access field %s through type %s", 199650ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com field.getFieldString(), objectRegisterType.type.getClassType())); 199750ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com } 199850ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com 199950ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com RegisterType fieldType = RegisterType.getRegisterTypeForTypeIdItem(field.getFieldType()); 200050ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com 200150ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com if (fieldType.category != RegisterType.Category.Reference) { 200250ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use %s with field %s. Incorrect field type " + 200350ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com "for the instruction.", analyzedInstruction.instruction.opcode.name, 200450ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com field.getFieldString())); 200550ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com } 200650ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com 200750ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com if (sourceRegisterType.category != RegisterType.Category.Null && 200850ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com !fieldType.type.isInterface() && 200950ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com !sourceRegisterType.type.extendsClass(fieldType.type)) { 201050ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com 201150ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot store a value of type %s into a field of type %s", 201250ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com sourceRegisterType.type.getClassType(), fieldType.type.getClassType())); 201350ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com } 201450ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com 201550ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com return true; 201650ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com } 201750ff6247416eff1a90edd1ebc222ac2cdc5c15cfJesusFreke@JesusFreke.com 2018052f4890ab954dc8510230b2992904a1a66c5dccJesusFreke@JesusFreke.com private boolean handle32BitPrimitiveSget(AnalyzedInstruction analyzedInstruction, 2019052f4890ab954dc8510230b2992904a1a66c5dccJesusFreke@JesusFreke.com RegisterType.Category instructionCategory) { 2020052f4890ab954dc8510230b2992904a1a66c5dccJesusFreke@JesusFreke.com //TODO: check access 2021052f4890ab954dc8510230b2992904a1a66c5dccJesusFreke@JesusFreke.com Item referencedItem = ((InstructionWithReference)analyzedInstruction.instruction).getReferencedItem(); 2022052f4890ab954dc8510230b2992904a1a66c5dccJesusFreke@JesusFreke.com assert referencedItem instanceof FieldIdItem; 2023052f4890ab954dc8510230b2992904a1a66c5dccJesusFreke@JesusFreke.com FieldIdItem field = (FieldIdItem)referencedItem; 2024052f4890ab954dc8510230b2992904a1a66c5dccJesusFreke@JesusFreke.com 2025052f4890ab954dc8510230b2992904a1a66c5dccJesusFreke@JesusFreke.com RegisterType fieldType = RegisterType.getRegisterTypeForTypeIdItem(field.getFieldType()); 2026052f4890ab954dc8510230b2992904a1a66c5dccJesusFreke@JesusFreke.com 2027052f4890ab954dc8510230b2992904a1a66c5dccJesusFreke@JesusFreke.com if (!checkArrayFieldAssignment(fieldType.category, instructionCategory)) { 2028052f4890ab954dc8510230b2992904a1a66c5dccJesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use %s with field %s. Incorrect field type " + 2029052f4890ab954dc8510230b2992904a1a66c5dccJesusFreke@JesusFreke.com "for the instruction.", analyzedInstruction.instruction.opcode.name, 2030052f4890ab954dc8510230b2992904a1a66c5dccJesusFreke@JesusFreke.com field.getFieldString())); 2031052f4890ab954dc8510230b2992904a1a66c5dccJesusFreke@JesusFreke.com } 2032052f4890ab954dc8510230b2992904a1a66c5dccJesusFreke@JesusFreke.com 2033052f4890ab954dc8510230b2992904a1a66c5dccJesusFreke@JesusFreke.com setDestinationRegisterTypeAndPropagateChanges(analyzedInstruction, 2034052f4890ab954dc8510230b2992904a1a66c5dccJesusFreke@JesusFreke.com RegisterType.getRegisterType(instructionCategory, null)); 2035052f4890ab954dc8510230b2992904a1a66c5dccJesusFreke@JesusFreke.com 2036052f4890ab954dc8510230b2992904a1a66c5dccJesusFreke@JesusFreke.com return true; 2037052f4890ab954dc8510230b2992904a1a66c5dccJesusFreke@JesusFreke.com } 2038052f4890ab954dc8510230b2992904a1a66c5dccJesusFreke@JesusFreke.com 20392f233fefd9d73af8fab4037a6f874b161b98b259JesusFreke@JesusFreke.com private boolean handleSgetWide(AnalyzedInstruction analyzedInstruction) { 20402f233fefd9d73af8fab4037a6f874b161b98b259JesusFreke@JesusFreke.com //TODO: check access 20412f233fefd9d73af8fab4037a6f874b161b98b259JesusFreke@JesusFreke.com Item referencedItem = ((InstructionWithReference)analyzedInstruction.instruction).getReferencedItem(); 20422f233fefd9d73af8fab4037a6f874b161b98b259JesusFreke@JesusFreke.com assert referencedItem instanceof FieldIdItem; 20432f233fefd9d73af8fab4037a6f874b161b98b259JesusFreke@JesusFreke.com FieldIdItem field = (FieldIdItem)referencedItem; 20442f233fefd9d73af8fab4037a6f874b161b98b259JesusFreke@JesusFreke.com 20452f233fefd9d73af8fab4037a6f874b161b98b259JesusFreke@JesusFreke.com RegisterType fieldType = RegisterType.getRegisterTypeForTypeIdItem(field.getFieldType()); 20462f233fefd9d73af8fab4037a6f874b161b98b259JesusFreke@JesusFreke.com 20472f233fefd9d73af8fab4037a6f874b161b98b259JesusFreke@JesusFreke.com 20482f233fefd9d73af8fab4037a6f874b161b98b259JesusFreke@JesusFreke.com if (fieldType.category != RegisterType.Category.LongLo && 20492f233fefd9d73af8fab4037a6f874b161b98b259JesusFreke@JesusFreke.com fieldType.category != RegisterType.Category.DoubleLo) { 20502f233fefd9d73af8fab4037a6f874b161b98b259JesusFreke@JesusFreke.com 20512f233fefd9d73af8fab4037a6f874b161b98b259JesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use %s with field %s. Incorrect field type " + 20522f233fefd9d73af8fab4037a6f874b161b98b259JesusFreke@JesusFreke.com "for the instruction.", analyzedInstruction.instruction.opcode.name, 20532f233fefd9d73af8fab4037a6f874b161b98b259JesusFreke@JesusFreke.com field.getFieldString())); 20542f233fefd9d73af8fab4037a6f874b161b98b259JesusFreke@JesusFreke.com } 20552f233fefd9d73af8fab4037a6f874b161b98b259JesusFreke@JesusFreke.com 20562f233fefd9d73af8fab4037a6f874b161b98b259JesusFreke@JesusFreke.com setWideDestinationRegisterTypeAndPropagateChanges(analyzedInstruction, fieldType); 20572d6d6eb22c86c79344b85ffe46fdd4268566bd0fJesusFreke@JesusFreke.com 20582d6d6eb22c86c79344b85ffe46fdd4268566bd0fJesusFreke@JesusFreke.com return true; 20592d6d6eb22c86c79344b85ffe46fdd4268566bd0fJesusFreke@JesusFreke.com } 20602d6d6eb22c86c79344b85ffe46fdd4268566bd0fJesusFreke@JesusFreke.com 20612d6d6eb22c86c79344b85ffe46fdd4268566bd0fJesusFreke@JesusFreke.com private boolean handleSgetObject(AnalyzedInstruction analyzedInstruction) { 20622d6d6eb22c86c79344b85ffe46fdd4268566bd0fJesusFreke@JesusFreke.com //TODO: check access 20632d6d6eb22c86c79344b85ffe46fdd4268566bd0fJesusFreke@JesusFreke.com Item referencedItem = ((InstructionWithReference)analyzedInstruction.instruction).getReferencedItem(); 20642d6d6eb22c86c79344b85ffe46fdd4268566bd0fJesusFreke@JesusFreke.com assert referencedItem instanceof FieldIdItem; 20652d6d6eb22c86c79344b85ffe46fdd4268566bd0fJesusFreke@JesusFreke.com FieldIdItem field = (FieldIdItem)referencedItem; 20662d6d6eb22c86c79344b85ffe46fdd4268566bd0fJesusFreke@JesusFreke.com 20672d6d6eb22c86c79344b85ffe46fdd4268566bd0fJesusFreke@JesusFreke.com RegisterType fieldType = RegisterType.getRegisterTypeForTypeIdItem(field.getFieldType()); 20682d6d6eb22c86c79344b85ffe46fdd4268566bd0fJesusFreke@JesusFreke.com 20692d6d6eb22c86c79344b85ffe46fdd4268566bd0fJesusFreke@JesusFreke.com if (fieldType.category != RegisterType.Category.Reference) { 20702d6d6eb22c86c79344b85ffe46fdd4268566bd0fJesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use %s with field %s. Incorrect field type " + 20712d6d6eb22c86c79344b85ffe46fdd4268566bd0fJesusFreke@JesusFreke.com "for the instruction.", analyzedInstruction.instruction.opcode.name, 20722d6d6eb22c86c79344b85ffe46fdd4268566bd0fJesusFreke@JesusFreke.com field.getFieldString())); 20732d6d6eb22c86c79344b85ffe46fdd4268566bd0fJesusFreke@JesusFreke.com } 20742d6d6eb22c86c79344b85ffe46fdd4268566bd0fJesusFreke@JesusFreke.com 20752d6d6eb22c86c79344b85ffe46fdd4268566bd0fJesusFreke@JesusFreke.com setDestinationRegisterTypeAndPropagateChanges(analyzedInstruction, fieldType); 20762f233fefd9d73af8fab4037a6f874b161b98b259JesusFreke@JesusFreke.com 20772f233fefd9d73af8fab4037a6f874b161b98b259JesusFreke@JesusFreke.com return true; 20782f233fefd9d73af8fab4037a6f874b161b98b259JesusFreke@JesusFreke.com } 20792f233fefd9d73af8fab4037a6f874b161b98b259JesusFreke@JesusFreke.com 20809d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com private boolean handle32BitPrimitiveSput(AnalyzedInstruction analyzedInstruction, 20819d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com RegisterType.Category instructionCategory) { 20829d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com SingleRegisterInstruction instruction = (SingleRegisterInstruction)analyzedInstruction.instruction; 20839d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com 20849d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com RegisterType sourceRegisterType = analyzedInstruction.getPreInstructionRegisterType(instruction.getRegisterA()); 20859d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com assert sourceRegisterType != null; 20869d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com if (sourceRegisterType.category == RegisterType.Category.Unknown) { 20879d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com return false; 20889d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com } 20899d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com 20909d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com //per CodeVerify.c in dalvik: 20919d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com //java generates synthetic functions that write byte values into boolean fields 20929d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com if (sourceRegisterType.category == RegisterType.Category.Byte && 20939d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com instructionCategory == RegisterType.Category.Boolean) { 20949d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com 20959d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com sourceRegisterType = RegisterType.getRegisterType(RegisterType.Category.Boolean, null); 20969d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com } 20979d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com 20989d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com RegisterType instructionRegisterType = RegisterType.getRegisterType(instructionCategory, null); 20999d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com if (!sourceRegisterType.canBeAssignedTo(instructionRegisterType)) { 21009d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use %s with source register type %s.", 21019d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com analyzedInstruction.instruction.opcode.name, sourceRegisterType.toString())); 21029d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com } 21039d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com 21049d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com //TODO: check access 21059d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com Item referencedItem = ((InstructionWithReference)analyzedInstruction.instruction).getReferencedItem(); 21069d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com assert referencedItem instanceof FieldIdItem; 21079d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com FieldIdItem field = (FieldIdItem)referencedItem; 21089d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com 21099d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com RegisterType fieldType = RegisterType.getRegisterTypeForTypeIdItem(field.getFieldType()); 21109d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com 21119d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com if (!checkArrayFieldAssignment(fieldType.category, instructionCategory)) { 21129d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use %s with field %s. Incorrect field type " + 21139d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com "for the instruction.", analyzedInstruction.instruction.opcode.name, 21149d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com field.getFieldString())); 21159d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com } 21169d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com 21179d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com return true; 21189d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com } 21199d45d563fedaddab6bbdd421b139fe91d2f15fc8JesusFreke@JesusFreke.com 2120f08a9e1c2c130a5ed5923999fec0283f91b48a09JesusFreke@JesusFreke.com private boolean handleSputWide(AnalyzedInstruction analyzedInstruction) { 2121f08a9e1c2c130a5ed5923999fec0283f91b48a09JesusFreke@JesusFreke.com SingleRegisterInstruction instruction = (SingleRegisterInstruction)analyzedInstruction.instruction; 2122f08a9e1c2c130a5ed5923999fec0283f91b48a09JesusFreke@JesusFreke.com 2123f08a9e1c2c130a5ed5923999fec0283f91b48a09JesusFreke@JesusFreke.com 2124f08a9e1c2c130a5ed5923999fec0283f91b48a09JesusFreke@JesusFreke.com RegisterType sourceRegisterType = getAndCheckWideSourcePair(analyzedInstruction, instruction.getRegisterA()); 2125f08a9e1c2c130a5ed5923999fec0283f91b48a09JesusFreke@JesusFreke.com assert sourceRegisterType != null; 2126f08a9e1c2c130a5ed5923999fec0283f91b48a09JesusFreke@JesusFreke.com if (sourceRegisterType.category == RegisterType.Category.Unknown) { 2127f08a9e1c2c130a5ed5923999fec0283f91b48a09JesusFreke@JesusFreke.com return false; 2128f08a9e1c2c130a5ed5923999fec0283f91b48a09JesusFreke@JesusFreke.com } 2129f08a9e1c2c130a5ed5923999fec0283f91b48a09JesusFreke@JesusFreke.com 2130f08a9e1c2c130a5ed5923999fec0283f91b48a09JesusFreke@JesusFreke.com //TODO: check access 2131f08a9e1c2c130a5ed5923999fec0283f91b48a09JesusFreke@JesusFreke.com Item referencedItem = ((InstructionWithReference)analyzedInstruction.instruction).getReferencedItem(); 2132f08a9e1c2c130a5ed5923999fec0283f91b48a09JesusFreke@JesusFreke.com assert referencedItem instanceof FieldIdItem; 2133f08a9e1c2c130a5ed5923999fec0283f91b48a09JesusFreke@JesusFreke.com FieldIdItem field = (FieldIdItem)referencedItem; 2134f08a9e1c2c130a5ed5923999fec0283f91b48a09JesusFreke@JesusFreke.com 2135f08a9e1c2c130a5ed5923999fec0283f91b48a09JesusFreke@JesusFreke.com RegisterType fieldType = RegisterType.getRegisterTypeForTypeIdItem(field.getFieldType()); 2136f08a9e1c2c130a5ed5923999fec0283f91b48a09JesusFreke@JesusFreke.com 2137f08a9e1c2c130a5ed5923999fec0283f91b48a09JesusFreke@JesusFreke.com if (!WideLowCategories.contains(fieldType.category)) { 2138f08a9e1c2c130a5ed5923999fec0283f91b48a09JesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use %s with field %s. Incorrect field type " + 2139f08a9e1c2c130a5ed5923999fec0283f91b48a09JesusFreke@JesusFreke.com "for the instruction.", analyzedInstruction.instruction.opcode.name, 2140f08a9e1c2c130a5ed5923999fec0283f91b48a09JesusFreke@JesusFreke.com field.getFieldString())); 2141f08a9e1c2c130a5ed5923999fec0283f91b48a09JesusFreke@JesusFreke.com } 2142f08a9e1c2c130a5ed5923999fec0283f91b48a09JesusFreke@JesusFreke.com 2143f08a9e1c2c130a5ed5923999fec0283f91b48a09JesusFreke@JesusFreke.com setWideDestinationRegisterTypeAndPropagateChanges(analyzedInstruction, fieldType); 2144f08a9e1c2c130a5ed5923999fec0283f91b48a09JesusFreke@JesusFreke.com 2145f08a9e1c2c130a5ed5923999fec0283f91b48a09JesusFreke@JesusFreke.com return true; 2146f08a9e1c2c130a5ed5923999fec0283f91b48a09JesusFreke@JesusFreke.com } 2147f08a9e1c2c130a5ed5923999fec0283f91b48a09JesusFreke@JesusFreke.com 214851cec00885cdc063ee27ee6b67680189be34f8f9JesusFreke@JesusFreke.com private boolean handleSputObject(AnalyzedInstruction analyzedInstruction) { 214951cec00885cdc063ee27ee6b67680189be34f8f9JesusFreke@JesusFreke.com SingleRegisterInstruction instruction = (SingleRegisterInstruction)analyzedInstruction.instruction; 215051cec00885cdc063ee27ee6b67680189be34f8f9JesusFreke@JesusFreke.com 215151cec00885cdc063ee27ee6b67680189be34f8f9JesusFreke@JesusFreke.com RegisterType sourceRegisterType = analyzedInstruction.getPreInstructionRegisterType(instruction.getRegisterA()); 215251cec00885cdc063ee27ee6b67680189be34f8f9JesusFreke@JesusFreke.com assert sourceRegisterType != null; 215351cec00885cdc063ee27ee6b67680189be34f8f9JesusFreke@JesusFreke.com if (sourceRegisterType.category == RegisterType.Category.Unknown) { 215451cec00885cdc063ee27ee6b67680189be34f8f9JesusFreke@JesusFreke.com return false; 215551cec00885cdc063ee27ee6b67680189be34f8f9JesusFreke@JesusFreke.com } 215651cec00885cdc063ee27ee6b67680189be34f8f9JesusFreke@JesusFreke.com checkRegister(sourceRegisterType, ReferenceCategories); 215751cec00885cdc063ee27ee6b67680189be34f8f9JesusFreke@JesusFreke.com 215851cec00885cdc063ee27ee6b67680189be34f8f9JesusFreke@JesusFreke.com //TODO: check access 215951cec00885cdc063ee27ee6b67680189be34f8f9JesusFreke@JesusFreke.com Item referencedItem = ((InstructionWithReference)analyzedInstruction.instruction).getReferencedItem(); 216051cec00885cdc063ee27ee6b67680189be34f8f9JesusFreke@JesusFreke.com assert referencedItem instanceof FieldIdItem; 216151cec00885cdc063ee27ee6b67680189be34f8f9JesusFreke@JesusFreke.com FieldIdItem field = (FieldIdItem)referencedItem; 216251cec00885cdc063ee27ee6b67680189be34f8f9JesusFreke@JesusFreke.com 216351cec00885cdc063ee27ee6b67680189be34f8f9JesusFreke@JesusFreke.com RegisterType fieldType = RegisterType.getRegisterTypeForTypeIdItem(field.getFieldType()); 216451cec00885cdc063ee27ee6b67680189be34f8f9JesusFreke@JesusFreke.com 216551cec00885cdc063ee27ee6b67680189be34f8f9JesusFreke@JesusFreke.com if (fieldType.category != RegisterType.Category.Reference) { 216651cec00885cdc063ee27ee6b67680189be34f8f9JesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot use %s with field %s. Incorrect field type " + 216751cec00885cdc063ee27ee6b67680189be34f8f9JesusFreke@JesusFreke.com "for the instruction.", analyzedInstruction.instruction.opcode.name, 216851cec00885cdc063ee27ee6b67680189be34f8f9JesusFreke@JesusFreke.com field.getFieldString())); 216951cec00885cdc063ee27ee6b67680189be34f8f9JesusFreke@JesusFreke.com } 217051cec00885cdc063ee27ee6b67680189be34f8f9JesusFreke@JesusFreke.com 217151cec00885cdc063ee27ee6b67680189be34f8f9JesusFreke@JesusFreke.com if (sourceRegisterType.category != RegisterType.Category.Null && 217251cec00885cdc063ee27ee6b67680189be34f8f9JesusFreke@JesusFreke.com !fieldType.type.isInterface() && 217351cec00885cdc063ee27ee6b67680189be34f8f9JesusFreke@JesusFreke.com !sourceRegisterType.type.extendsClass(fieldType.type)) { 217451cec00885cdc063ee27ee6b67680189be34f8f9JesusFreke@JesusFreke.com 217551cec00885cdc063ee27ee6b67680189be34f8f9JesusFreke@JesusFreke.com throw new ValidationException(String.format("Cannot store a value of type %s into a field of type %s", 217651cec00885cdc063ee27ee6b67680189be34f8f9JesusFreke@JesusFreke.com sourceRegisterType.type.getClassType(), fieldType.type.getClassType())); 217751cec00885cdc063ee27ee6b67680189be34f8f9JesusFreke@JesusFreke.com } 217851cec00885cdc063ee27ee6b67680189be34f8f9JesusFreke@JesusFreke.com 217951cec00885cdc063ee27ee6b67680189be34f8f9JesusFreke@JesusFreke.com return true; 218051cec00885cdc063ee27ee6b67680189be34f8f9JesusFreke@JesusFreke.com } 218151cec00885cdc063ee27ee6b67680189be34f8f9JesusFreke@JesusFreke.com 2182b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com private static boolean checkArrayFieldAssignment(RegisterType.Category arrayFieldCategory, 2183b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com RegisterType.Category instructionCategory) { 2184b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com if (arrayFieldCategory == instructionCategory) { 2185b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com return true; 2186b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com } 2187b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com 2188b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com if ((arrayFieldCategory == RegisterType.Category.Integer && 2189b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com instructionCategory == RegisterType.Category.Float) || 2190b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com (arrayFieldCategory == RegisterType.Category.Float && 2191b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com instructionCategory == RegisterType.Category.Integer)) { 2192b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com return true; 2193b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com } 2194b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com return false; 2195b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com } 2196b2397452907c28b0743bbbcdf9fa6b2a8208aeabJesusFreke@JesusFreke.com 2197fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private static void checkRegister(RegisterType registerType, EnumSet validCategories) { 2198fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (!validCategories.contains(registerType.category)) { 2199fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com //TODO: add expected categories to error message 2200fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com throw new ValidationException("Invalid register type. Expecting one of: " + " but got \"" + 2201fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com registerType.category + "\""); 2202fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 2203fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 2204fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 2205fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private static void checkWideDestinationPair(AnalyzedInstruction analyzedInstruction) { 2206fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com int register = analyzedInstruction.getDestinationRegister(); 2207fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 2208fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (register == (analyzedInstruction.postRegisterMap.length - 1)) { 2209fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com throw new ValidationException("v" + register + " is the last register and not a valid wide register " + 2210fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com "pair."); 2211fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 2212fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 2213fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 2214fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com private static RegisterType getAndCheckWideSourcePair(AnalyzedInstruction analyzedInstruction, int firstRegister) { 2215fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com assert firstRegister >= 0 && firstRegister < analyzedInstruction.postRegisterMap.length; 2216fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 2217fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (firstRegister == analyzedInstruction.postRegisterMap.length - 1) { 2218fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com throw new ValidationException("v" + firstRegister + " is the last register and not a valid wide register " + 2219fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com "pair."); 2220fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 2221fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 2222fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType registerType = analyzedInstruction.getPreInstructionRegisterType(firstRegister); 2223fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com assert registerType != null; 2224fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (registerType.category == RegisterType.Category.Unknown) { 2225fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return registerType; 2226fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 2227fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com checkRegister(registerType, WideLowCategories); 2228fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 2229fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com RegisterType secondRegisterType = analyzedInstruction.getPreInstructionRegisterType(firstRegister + 1); 2230fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com assert secondRegisterType != null; 2231fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com checkRegister(secondRegisterType, WideHighCategories); 2232fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com 2233fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com if (( registerType.category == RegisterType.Category.LongLo && 2234fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com secondRegisterType.category == RegisterType.Category.DoubleHi) 2235fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com || ( registerType.category == RegisterType.Category.DoubleLo && 2236fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com secondRegisterType.category == RegisterType.Category.LongHi)) { 2237fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com assert false; 2238fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com throw new ValidationException("The first register in the wide register pair isn't the same type (long " + 2239fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com "vs. double) as the second register in the pair"); 2240fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com } 2241d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com 2242fffb29fd9d67ba1396bd2999de4f0d9a44b79837JesusFreke@JesusFreke.com return registerType; 2243d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com } 2244d27ca7f7a61cfbe60e1c490bf645257d7d59fd39JesusFreke@JesusFreke.com} 2245