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Diffstat (limited to '')
| -rwxr-xr-x | scripts/atomic/check-atomics.sh | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/scripts/atomic/check-atomics.sh b/scripts/atomic/check-atomics.sh new file mode 100755 index 000000000..82748d42e --- /dev/null +++ b/scripts/atomic/check-atomics.sh @@ -0,0 +1,34 @@ +#!/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 [ $? -ne 0 ]; then + printf "sha1sum not available, skipping atomic header checks.\n" + exit 0 +fi + +cat <<EOF | +asm-generic/atomic-instrumented.h +asm-generic/atomic-long.h +linux/atomic-arch-fallback.h +linux/atomic-fallback.h +EOF +while read header; do + OLDSUM="$(tail -n 1 ${LINUXDIR}/include/${header})" + OLDSUM="${OLDSUM#// }" + + NEWSUM="$(sed '$d' ${LINUXDIR}/include/${header} | sha1sum)" + NEWSUM="${NEWSUM%% *}" + + if [ "${OLDSUM}" != "${NEWSUM}" ]; then + printf "warning: generated include/${header} has been modified.\n" + fi +done + +exit 0 |