long getVirtualTable(Type type, NativeLibrary library) {
Long vtable = vtables.get(type);
if (vtable == null) {
final Class<?> typeClass = Utils.getClass(type);
if (false) {
String className = typeClass.getSimpleName();
String vtableSymbol;
if (Platform.isWindows()) vtableSymbol = "??_7" + className + "@@6B@";
else vtableSymbol = "_ZTV" + className.length() + className;
vtables.put(type, vtable = library.getSymbolAddress(vtableSymbol));
} else {
Symbol symbol =
library.getFirstMatchingSymbol(
new SymbolAccepter() {
public boolean accept(Symbol symbol) {
return symbol.matchesVirtualTable(typeClass);
}
});
if (symbol != null) {
if (BridJ.debug)
info("Registering vtable of " + Utils.toString(type) + " as " + symbol.getName());
// Pointer<Pointer> pp = pointerToAddress(symbol.getAddress(),
// Pointer.class);
//
// for (int i = 0; i < 6; i++) {
// Pointer p = pp.get(i);
//// if (p == null)
//// break;
// String n = p == null ? null :
// library.getSymbolName(p.getPeer());
// info("\tVtable entry " + i + " = " + p + " (" + n + ")");
//// if (n == null)
//// break;
// }
} else if (getVirtualMethodsCount(typeClass) > 0)
error("Failed to find a vtable for type " + Utils.toString(type));
if (symbol != null) {
long address = symbol.getAddress();
vtable = library.isMSVC() ? address : address + 2 * Pointer.SIZE;
} else {
vtable = 0L;
}
vtables.put(type, vtable); // */
}
}
return vtable;
}
public long getAddress() {
if (address == 0) {
address = library.getSymbolAddress(symbol);
}
return address;
}