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