e4b69cb9a9
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: Kees Cook <keescook@chromium.org> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Co-developed-by: Alex Gaynor <alex.gaynor@gmail.com> Signed-off-by: Alex Gaynor <alex.gaynor@gmail.com> Co-developed-by: Wedson Almeida Filho <wedsonaf@google.com> Signed-off-by: Wedson Almeida Filho <wedsonaf@google.com> Signed-off-by: Daniel Xu <dxu@dxuuu.xyz> Co-developed-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
17 lines
565 B
Bash
Executable File
17 lines
565 B
Bash
Executable File
#!/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:]]*$'
|