| #!/bin/sh |
| # SPDX-License-Identifier: GPL-2.0 |
| # |
| # Check if atomic headers are up-to-date |
| |
| ATOMICDIR=$(dirname $0) |
| ATOMICTBL=${ATOMICDIR}/atomics.tbl |
| LINUXDIR=${ATOMICDIR}/../.. |
| |
| echo '' | sha1sum - > /dev/null 2>&1 |
| if [ $? -ne 0 ]; then |
| printf "sha1sum not available, skipping atomic header checks.\n" |
| exit 0 |
| fi |
| |
| cat <<EOF | |
| asm-generic/atomic-instrumented.h |
| asm-generic/atomic-long.h |
| linux/atomic-fallback.h |
| EOF |
| while read header; do |
| OLDSUM="$(tail -n 1 ${LINUXDIR}/include/${header})" |
| OLDSUM="${OLDSUM#// }" |
| |
| NEWSUM="$(head -n -1 ${LINUXDIR}/include/${header} | sha1sum)" |
| NEWSUM="${NEWSUM%% *}" |
| |
| if [ "${OLDSUM}" != "${NEWSUM}" ]; then |
| printf "warning: generated include/${header} has been modified.\n" |
| fi |
| done |
| |
| exit 0 |
