UWHook

Minimal native function hooking library for x86_64 on Windows.

Features

NOT THREAD SAFE: Optionally record address of called function before triggering hook (retrieve using UWHook::getTrampolineCaller())
Temporary hook release using UWHookRelease RAII class
Very very minimal
No global state
Easily portable to other platforms

Limitations

Only works on Windows for x86_64 (64 bit x86) programs
Won't hook inlined function calls
Can't pass user data to hook function
Requires function padding of at least 12 bytes in hooked code if any hooked function is shorter than 12 bytes
Allows no more than one hook on a single function

Use cases

Reverse engineering
Game modding (works with il2cpp!)