private static Class<?> forNameInternal(
String className, boolean initialize, ClassLoader classLoader)
throws ClassNotFoundException, LinkageError, ExceptionInInitializerError {
try {
if (className.startsWith("[")) {
if (!validArrayDescriptor(className)) {
throw new ClassNotFoundException(className);
}
}
Atom descriptor =
Atom.findOrCreateAsciiAtom(className.replace('.', '/')).descriptorFromClassName();
TypeReference tRef = TypeReference.findOrCreate(classLoader, descriptor);
RVMType ans = tRef.resolve();
Callbacks.notifyForName(ans);
if (initialize && !ans.isInitialized()) {
ans.resolve();
ans.instantiate();
ans.initialize();
}
return ans.getClassForType();
} catch (NoClassDefFoundError ncdfe) {
Throwable cause2 = ncdfe.getCause();
ClassNotFoundException cnf;
// If we get a NCDFE that was caused by a CNFE, throw the original CNFE.
if (cause2 instanceof ClassNotFoundException) cnf = (ClassNotFoundException) cause2;
else cnf = new ClassNotFoundException(className, ncdfe);
throw cnf;
}
}
/** Create the organizerThreads and schedule them */
private void createOrganizerThreads() {
AOSOptions opts = Controller.options;
if (opts.sampling()) {
// Primary backing store for method sample data
Controller.methodSamples = new MethodCountData();
// Install organizer to drive method recompilation
Controller.organizers.add(new MethodSampleOrganizer(opts.DERIVED_FILTER_OPT_LEVEL));
// Additional set up for feedback directed inlining
if (opts.ADAPTIVE_INLINING) {
Organizer decayOrganizer =
new DecayOrganizer(new YieldCounterListener(opts.DECAY_FREQUENCY));
Controller.organizers.add(decayOrganizer);
createDynamicCallGraphOrganizer();
}
}
if (RecompilationDataProvider.ENABLED) {
RecompilationDataProvider rdp = new RecompilationDataProvider();
Callbacks.addMethodCompileMonitor(rdp);
RuntimeMeasurements.registerReportableObject(rdp);
}
if (opts.PARAMETER_PROFILING) {
if (VM.BuildFor32Addr && VM.BuildForIA32 && VM.BuildForLinux) {
if (opts.PARAMETER_PROFILING_INCLUDE_VM) {
ParameterListener.enableProfilingOfVMMethods();
}
ParameterProfileOrganizer parameterProfileOrganizer = new ParameterProfileOrganizer();
Controller.organizers.addElement(parameterProfileOrganizer);
} else {
VM.sysFail(
"Trying to use parameter profiling for an untested configuration."
+ "Please modify the source code to support your platform");
}
}
if ((!Controller.options.ENABLE_PRECOMPILE) && (!Controller.options.ENABLE_BULK_COMPILE)) {
Controller.osrOrganizer = new OSROrganizerThread();
Controller.osrOrganizer.start();
}
}