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Add support for evaluating pNN style registers

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This commit is contained in:
Ben Gruver 2015-01-22 09:10:37 -08:00
parent 0a2debe4e6
commit a5efca6fe6
1 changed files with 47 additions and 1 deletions
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48
smalidea/src/main/java/org/jf/smalidea/debugging/SmaliCodeFragmentFactory.java
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@ -83,9 +83,14 @@ public class SmaliCodeFragmentFactory extends DefaultCodeFragmentFactory {
final SmaliMethod containingMethod = currentInstruction.getParentMethod();
AnalyzedInstruction analyzedInstruction = currentInstruction.getAnalyzedInstruction();
final int firstParameterRegister = containingMethod.getRegisterCount() -
containingMethod.getParameterRegisterCount();
final Map<String, String> registerMap = Maps.newHashMap();
StringBuilder variablesText = new StringBuilder();
for (int i=0; i<containingMethod.getRegisterCount(); i++) {
int parameterRegisterNumber = i - firstParameterRegister;
RegisterType registerType = analyzedInstruction.getPreInstructionRegisterType(i);
switch (registerType.category) {
case RegisterType.UNKNOWN:
@ -99,42 +104,78 @@ public class SmaliCodeFragmentFactory extends DefaultCodeFragmentFactory {
case RegisterType.INTEGER:
variablesText.append("int v").append(i).append(";\n");
registerMap.put("v" + i, "I");
if (parameterRegisterNumber >= 0) {
variablesText.append("int p").append(parameterRegisterNumber).append(";\n");
registerMap.put("p" + parameterRegisterNumber, "I");
}
break;
case RegisterType.BOOLEAN:
variablesText.append("boolean v").append(i).append(";\n");
registerMap.put("v" + i, "Z");
if (parameterRegisterNumber >= 0) {
variablesText.append("boolean p").append(parameterRegisterNumber).append(";\n");
registerMap.put("p" + parameterRegisterNumber, "Z");
}
break;
case RegisterType.BYTE:
case RegisterType.POS_BYTE:
variablesText.append("byte v").append(i).append(";\n");
registerMap.put("v" + i, "B");
if (parameterRegisterNumber >= 0) {
variablesText.append("byte p").append(parameterRegisterNumber).append(";\n");
registerMap.put("p" + parameterRegisterNumber, "B");
}
break;
case RegisterType.SHORT:
case RegisterType.POS_SHORT:
variablesText.append("short v").append(i).append(";\n");
registerMap.put("v" + i, "S");
if (parameterRegisterNumber >= 0) {
variablesText.append("short p").append(parameterRegisterNumber).append(";\n");
registerMap.put("p" + parameterRegisterNumber, "S");
}
break;
case RegisterType.CHAR:
variablesText.append("char v").append(i).append(";\n");
registerMap.put("v" + i, "C");
if (parameterRegisterNumber >= 0) {
variablesText.append("char p").append(parameterRegisterNumber).append(";\n");
registerMap.put("p" + parameterRegisterNumber, "C");
}
break;
case RegisterType.FLOAT:
variablesText.append("float v").append(i).append(";\n");
registerMap.put("v" + i, "F");
if (parameterRegisterNumber >= 0) {
variablesText.append("float p").append(parameterRegisterNumber).append(";\n");
registerMap.put("p" + parameterRegisterNumber, "F");
}
break;
case RegisterType.LONG_LO:
variablesText.append("long v").append(i).append(";\n");
registerMap.put("v" + i, "J");
if (parameterRegisterNumber >= 0) {
variablesText.append("long p").append(parameterRegisterNumber).append(";\n");
registerMap.put("p" + parameterRegisterNumber, "J");
}
break;
case RegisterType.DOUBLE_LO:
variablesText.append("double v").append(i).append(";\n");
registerMap.put("v" + i, "D");
if (parameterRegisterNumber >= 0) {
variablesText.append("double p").append(parameterRegisterNumber).append(";\n");
registerMap.put("p" + parameterRegisterNumber, "D");
}
break;
case RegisterType.UNINIT_REF:
case RegisterType.UNINIT_THIS:
case RegisterType.REFERENCE:
variablesText.append("Object v").append(i).append(";\n");
registerMap.put("v" + i, "Ljava/lang/Object;");
if (parameterRegisterNumber >= 0) {
variablesText.append("Object p").append(parameterRegisterNumber).append(";\n");
registerMap.put("p" + parameterRegisterNumber, "Ljava/lang/Object;");
}
break;
}
}
@ -149,9 +190,14 @@ public class SmaliCodeFragmentFactory extends DefaultCodeFragmentFactory {
if (registerMap.containsKey(name)) {
debuggerContext.getDebugProcess().getManagerThread().invoke(new DebuggerCommandImpl() {
@Override protected void action() throws Exception {
int registerNumber = Integer.parseInt(name.substring(1));
if (name.charAt(0) == 'p') {
registerNumber += containingMethod.getRegisterCount() -
containingMethod.getParameterRegisterCount();
}
Value value = evaluateRegister(debuggerContext.createEvaluationContext(),
containingMethod,
Integer.parseInt(name.substring(1)),
registerNumber,
registerMap.get(name));
variable.putUserData(CodeFragmentFactoryContextWrapper.LABEL_VARIABLE_VALUE_KEY, value);
}