feat: log full function path

[andylokandy]

No description provided.

[drmingdrmer]

Is there some test that assert the output of applying logcall to a struct method such as:

struct Foo;
impl Foo {
  #[logcall]
  fn hello() -> u64 { 0 }
}

I expect the log output would be something like: <maybe_fullpath>::Foo::hello() -> 0