VTable

Hook a c++ vtable.

Constructor

  • address: int - the base address of the vtable.

Drop

When this is deleted, it will automatically reset all hooks.

Methods

hook

Hooks a vtable by index.

This function is unsafe 🐉

  • index must be a valid vtable index.
  • dst must point to a xr function with the same signature as the original (abi, parameters, and return).
  • index: int - the index to hook.
  • dst: int - the function address to redirect the vtable entry to.

Exceptions

If virtual protect fails.

unhook

Unhooks a vtable by index.

This function is unsafe 🐉

  • index must be a valid previously hooked vtable index.
  • index: int - the index to unhook.

Exceptions

If virtual protect fails.

get_original

Get a pointer to the original function stored at a previously hooked index.

This function is safe

  • index: int - the index to unhook.

Return Value

Returns an int representing a ptr to the original vtable function if index was previously hooked, otherwise returns None.

reset

Resets all previously hooked vtable entries back to their original functions.

This function is unsafe 🐉

Exceptions

If virtual protect fails.