linux-stable/scripts/atomic/gen-atomics.sh
Mark Rutland e3d18cee25 locking/atomic: centralize generated headers
The generated atomic headers are only intended to be included directly
by <linux/atomic.h>, but are spread across include/linux/ and
include/asm-generic/, where people mnay be encouraged to include them.

This patch centralizes them under include/linux/atomic/.

Other than the header guards and hashes, there is no change to any of
the generated headers as a result of this patch.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20210713105253.7615-4-mark.rutland@arm.com
2021-07-16 18:46:45 +02:00

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#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
#
# Generate atomic headers
ATOMICDIR=$(dirname $0)
ATOMICTBL=${ATOMICDIR}/atomics.tbl
LINUXDIR=${ATOMICDIR}/../..
cat <<EOF |
gen-atomic-instrumented.sh linux/atomic/atomic-instrumented.h
gen-atomic-long.sh linux/atomic/atomic-long.h
gen-atomic-fallback.sh linux/atomic/atomic-arch-fallback.h
EOF
while read script header args; do
/bin/sh ${ATOMICDIR}/${script} ${ATOMICTBL} ${args} > ${LINUXDIR}/include/${header}
HASH="$(sha1sum ${LINUXDIR}/include/${header})"
HASH="${HASH%% *}"
printf "// %s\n" "${HASH}" >> ${LINUXDIR}/include/${header}
done