1*4882a593Smuzhiyun#!/bin/sh 2*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0 3*4882a593Smuzhiyun# 4*4882a593Smuzhiyun# Check if atomic headers are up-to-date 5*4882a593Smuzhiyun 6*4882a593SmuzhiyunATOMICDIR=$(dirname $0) 7*4882a593SmuzhiyunATOMICTBL=${ATOMICDIR}/atomics.tbl 8*4882a593SmuzhiyunLINUXDIR=${ATOMICDIR}/../.. 9*4882a593Smuzhiyun 10*4882a593Smuzhiyunecho '' | sha1sum - > /dev/null 2>&1 11*4882a593Smuzhiyunif [ $? -ne 0 ]; then 12*4882a593Smuzhiyun printf "sha1sum not available, skipping atomic header checks.\n" 13*4882a593Smuzhiyun exit 0 14*4882a593Smuzhiyunfi 15*4882a593Smuzhiyun 16*4882a593Smuzhiyuncat <<EOF | 17*4882a593Smuzhiyunasm-generic/atomic-instrumented.h 18*4882a593Smuzhiyunasm-generic/atomic-long.h 19*4882a593Smuzhiyunlinux/atomic-arch-fallback.h 20*4882a593Smuzhiyunlinux/atomic-fallback.h 21*4882a593SmuzhiyunEOF 22*4882a593Smuzhiyunwhile read header; do 23*4882a593Smuzhiyun OLDSUM="$(tail -n 1 ${LINUXDIR}/include/${header})" 24*4882a593Smuzhiyun OLDSUM="${OLDSUM#// }" 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun NEWSUM="$(sed '$d' ${LINUXDIR}/include/${header} | sha1sum)" 27*4882a593Smuzhiyun NEWSUM="${NEWSUM%% *}" 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun if [ "${OLDSUM}" != "${NEWSUM}" ]; then 30*4882a593Smuzhiyun printf "warning: generated include/${header} has been modified.\n" 31*4882a593Smuzhiyun fi 32*4882a593Smuzhiyundone 33*4882a593Smuzhiyun 34*4882a593Smuzhiyunexit 0 35