Function attach

attach(
    target: NativePointerValue | InstrumentationTarget,
    callbacksOrProbe: InvocationListenerCallbacks | InstructionProbeCallback,
    data?: NativePointerValue,
): InvocationListener
Intercepts calls to function/instruction at target. It is important to specify a InstructionProbeCallback if target is not the first instruction of a function.

The target may be specified either as a bare address, or as an object carrying the address alongside instrumentation options such as which scratch register to use.
Parameters
- target: NativePointerValue | InstrumentationTarget
  Address of function/instruction to intercept, optionally wrapped together with instrumentation options.
- callbacksOrProbe: InvocationListenerCallbacks | InstructionProbeCallback
  Callbacks or instruction-level probe callback.
- Optionaldata: NativePointerValue
  User data exposed to NativeInvocationListenerCallbacks through the GumInvocationContext *.
Returns InvocationListener