[linux-2.6-block.git] / scripts / atomic / check-atomics.sh

#!/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
Commit	Line	Data
8d325880 MR	1	#!/bin/sh
	2	# SPDX-License-Identifier: GPL-2.0
	3	#
	4	# Check if atomic headers are up-to-date
	5
	6	ATOMICDIR=$(dirname $0)
	7	ATOMICTBL=${ATOMICDIR}/atomics.tbl
	8	LINUXDIR=${ATOMICDIR}/../..
	9
0cf264b3 MR	10	echo '' \| sha1sum - > /dev/null 2>&1
	11	if [ $? -ne 0 ]; then
	12	printf "sha1sum not available, skipping atomic header checks.\n"
	13	exit 0
	14	fi
	15
8d325880	16	cat <<EOF \|
0cf264b3 MR	17	asm-generic/atomic-instrumented.h
	18	asm-generic/atomic-long.h
	19	linux/atomic-fallback.h
8d325880	20	EOF
0cf264b3 MR	21	while read header; do
	22	OLDSUM="$(tail -n 1 ${LINUXDIR}/include/${header})"
	23	OLDSUM="${OLDSUM#// }"
	24
	25	NEWSUM="$(head -n -1 ${LINUXDIR}/include/${header} \| sha1sum)"
	26	NEWSUM="${NEWSUM%% *}"
	27
	28	if [ "${OLDSUM}" != "${NEWSUM}" ]; then
	29	printf "warning: generated include/${header} has been modified.\n"
8d325880 MR	30	fi
8d325880 MR	31	done
0cf264b3 MR	32
0cf264b3 MR	33	exit 0