/** Get the code array that corresponds to the entry point (prologue) for the method. */
public final synchronized CodeArray getCurrentEntryCodeArray() {
RVMClass declaringClass = getDeclaringClass();
if (VM.VerifyAssertions) VM._assert(declaringClass.isResolved());
if (isCompiled()) {
return currentCompiledMethod.getEntryCodeArray();
} else if (!VM.writingBootImage || isNative()) {
if (!isStatic() && !isObjectInitializer() && !isPrivate()) {
// A non-private virtual method.
if (declaringClass.isJavaLangObjectType()
|| declaringClass.getSuperClass().findVirtualMethod(getName(), getDescriptor())
== null) {
// The root method of a virtual method family can use the lazy method invoker directly.
return Entrypoints.lazyMethodInvokerMethod.getCurrentEntryCodeArray();
} else {
// All other virtual methods in the family must use unique stubs to
// ensure correct operation of the method test (guarded inlining of virtual calls).
// It is TIBs job to marshall between the actual trampoline and this marker.
return LazyCompilationTrampoline.instructions;
}
} else {
// We'll never do a method test against this method.
// Therefore we can use the lazy method invoker directly.
return Entrypoints.lazyMethodInvokerMethod.getCurrentEntryCodeArray();
}
} else {
compile();
return currentCompiledMethod.getEntryCodeArray();
}
}
