| 1 | #!/bin/sh |
| 2 | # SPDX-License-Identifier: GPL-2.0 |
| 3 | # |
| 4 | # is_rust_module.sh module.ko |
| 5 | # |
| 6 | # Returns `0` if `module.ko` is a Rust module, `1` otherwise. |
| 7 | |
| 8 | set -e |
| 9 | |
| 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. |
| 13 | # |
| 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]+ [Rr] _R[^[:space:]]+16___IS_RUST_MODULE[^[:space:]]*$' |