1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0 3# 4# Check if atomic headers are up-to-date 5 6ATOMICDIR=$(dirname $0) 7ATOMICTBL=${ATOMICDIR}/atomics.tbl 8LINUXDIR=${ATOMICDIR}/../.. 9 10echo '' | sha1sum - > /dev/null 2>&1 11if [ $? -ne 0 ]; then 12 printf "sha1sum not available, skipping atomic header checks.\n" 13 exit 0 14fi 15 16cat <<EOF | 17asm-generic/atomic-instrumented.h 18asm-generic/atomic-long.h 19linux/atomic-arch-fallback.h 20linux/atomic-fallback.h 21EOF 22while read header; do 23 OLDSUM="$(tail -n 1 ${LINUXDIR}/include/${header})" 24 OLDSUM="${OLDSUM#// }" 25 26 NEWSUM="$(sed '$d' ${LINUXDIR}/include/${header} | sha1sum)" 27 NEWSUM="${NEWSUM%% *}" 28 29 if [ "${OLDSUM}" != "${NEWSUM}" ]; then 30 printf "warning: generated include/${header} has been modified.\n" 31 fi 32done 33 34exit 0 35