private void setParameter(
NativeCodeSequence nativeCodeSequence, int parameter, String valueString) {
if (valueString == null || valueString.length() <= 0) {
nativeCodeSequence.setParameter(parameter, 0, false);
return;
}
for (int i = 0; i < Common.gprNames.length; i++) {
if (Common.gprNames[i].equals(valueString)) {
nativeCodeSequence.setParameter(parameter, i, false);
return;
}
}
for (int i = 0; i < Common.fprNames.length; i++) {
if (Common.fprNames[i].equals(valueString)) {
nativeCodeSequence.setParameter(parameter, i, false);
return;
}
}
if (valueString.startsWith("@")) {
String label = valueString.substring(1);
int labelIndex = nativeCodeSequence.getLabelIndex(label);
if (labelIndex >= 0) {
nativeCodeSequence.setParameter(parameter, labelIndex, true);
return;
}
}
try {
int value;
if (valueString.startsWith("0x")) {
value = Integer.parseInt(valueString.substring(2), 16);
} else {
value = Integer.parseInt(valueString);
}
nativeCodeSequence.setParameter(parameter, value, false);
} catch (NumberFormatException e) {
Compiler.log.error(e);
}
}
private void loadNativeCodeSequence(Element element) {
String name = element.getAttribute("name");
String className = getContent(element.getElementsByTagName("Class"));
Class<INativeCodeSequence> nativeCodeSequenceClass = getNativeCodeSequenceClass(className);
if (nativeCodeSequenceClass == null) {
return;
}
NativeCodeSequence nativeCodeSequence = new NativeCodeSequence(name, nativeCodeSequenceClass);
String isReturningString = getContent(element.getElementsByTagName("IsReturning"));
if (isReturningString != null) {
nativeCodeSequence.setReturning(Boolean.parseBoolean(isReturningString));
}
String wholeCodeBlockString = getContent(element.getElementsByTagName("WholeCodeBlock"));
if (wholeCodeBlockString != null) {
nativeCodeSequence.setWholeCodeBlock(Boolean.parseBoolean(wholeCodeBlockString));
}
String methodName = getContent(element.getElementsByTagName("Method"));
if (methodName != null) {
nativeCodeSequence.setMethodName(methodName);
}
String isHookString = getContent(element.getElementsByTagName("IsHook"));
if (isHookString != null) {
nativeCodeSequence.setHook(Boolean.parseBoolean(isHookString));
}
String isMethodRetuningString = getContent(element.getElementsByTagName("IsMethodReturning"));
if (isMethodRetuningString != null) {
nativeCodeSequence.setMethodReturning(Boolean.parseBoolean(isMethodRetuningString));
}
String codeInstructions = getContent(element.getElementsByTagName("CodeInstructions"));
loadNativeCodeOpcodes(nativeCodeSequence, codeInstructions);
// The "Parameters" and "BranchInstruction" have to be parsed after "CodeInstructions"
// because they are using them (e.g. instruction labels)
String parametersList = getContent(element.getElementsByTagName("Parameters"));
if (parametersList != null) {
String[] parameters = parametersList.split(" *, *");
for (int parameter = 0; parameters != null && parameter < parameters.length; parameter++) {
setParameter(nativeCodeSequence, parameter, parameters[parameter].trim());
}
}
String branchInstructionLabel = getContent(element.getElementsByTagName("BranchInstruction"));
if (branchInstructionLabel != null) {
if (branchInstructionLabel.startsWith("@")) {
branchInstructionLabel = branchInstructionLabel.substring(1);
}
int branchInstructionOffset = nativeCodeSequence.getLabelIndex(branchInstructionLabel.trim());
if (branchInstructionOffset >= 0) {
nativeCodeSequence.setBranchInstruction(branchInstructionOffset);
} else {
Compiler.log.error(
String.format("BranchInstruction: label '%s' not found", branchInstructionLabel));
}
}
String beforeCodeInstructions =
getContent(element.getElementsByTagName("BeforeCodeInstructions"));
if (beforeCodeInstructions != null) {
loadBeforeCodeInstructions(nativeCodeSequence, beforeCodeInstructions);
}
addNativeCodeSequence(nativeCodeSequence);
}
