2 # SPDX-License-Identifier: GPL-2.0
4 # is_rust_module.sh module.ko
6 # Returns `0` if `module.ko` is a Rust module, `1` otherwise.
10 # Using the `16_` prefix ensures other symbols with the same substring
11 # are not picked up (even if it would be unlikely). The last part is
12 # used just in case LLVM decides to use the `.` suffix.
14 # In the future, checking for the `.comment` section may be another
15 # option, see https://github.com/rust-lang/rust/pull/97550.
16 ${NM} "$*" | grep -qE '^[0-9a-fA-F]+ r _R[^[:space:]]+16___IS_RUST_MODULE[^[:space:]]*$'