Re: Strange way to determine whether it is Lua or C function

[Egor Skriptunoff <egor.skriptunoff@...>]

On Sun, Aug 23, 2020 at 6:27 PM Viacheslav Usov wrote:

In a Lua function, there is always enough stack for two
registers
...
the invocation of a Lua hook function leaves an
artifact on the hooked function's stack frame

Thanks for the explanation.

 

Given that this technique already requires the debug library, I'd say
there is a far more regular and simpler way to achieve the goal.

The approach discussed here was found inside an obfuscated code.
Simplicity was not the goal, just the opposite.