2 # SPDX-License-Identifier: GPL-2.0
4 # Check if atomic headers are up-to-date
6 ATOMICDIR=$(dirname $0)
7 ATOMICTBL=${ATOMICDIR}/atomics.tbl
8 LINUXDIR=${ATOMICDIR}/../..
10 echo '' | sha1sum - > /dev/null 2>&1
12 printf "sha1sum not available, skipping atomic header checks.\n"
17 linux/atomic/atomic-instrumented.h
18 linux/atomic/atomic-long.h
19 linux/atomic/atomic-arch-fallback.h
22 OLDSUM="$(tail -n 1 ${LINUXDIR}/include/${header})"
23 OLDSUM="${OLDSUM#// }"
25 NEWSUM="$(sed '$d' ${LINUXDIR}/include/${header} | sha1sum)"
26 NEWSUM="${NEWSUM%% *}"
28 if [ "${OLDSUM}" != "${NEWSUM}" ]; then
29 printf "warning: generated include/${header} has been modified.\n"