This script is used to detect whether a kernel module is written
in Rust.

It will later be used to disable BTF generation on Rust modules as
BTF does not yet support Rust.
Reviewed-by: NKees Cook <keescook@chromium.org>
Reviewed-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Co-developed-by: NAlex Gaynor <alex.gaynor@gmail.com>
Signed-off-by: NAlex Gaynor <alex.gaynor@gmail.com>
Co-developed-by: NWedson Almeida Filho <wedsonaf@google.com>
Signed-off-by: NWedson Almeida Filho <wedsonaf@google.com>
Signed-off-by: NDaniel Xu <dxu@dxuuu.xyz>
Co-developed-by: NMiguel Ojeda <ojeda@kernel.org>
Signed-off-by: NMiguel Ojeda <ojeda@kernel.org>