linux/scripts/pahole-flags.sh

#!/bin/sh
# SPDX-License-Identifier: GPL-2.0

extra_paholeopt=

if ! [ -x "$(command -v ${PAHOLE})" ]; then
	exit 0
fi

pahole_ver=$($(dirname $0)/pahole-version.sh ${PAHOLE})

if [ "${pahole_ver}" -ge "118" ] && [ "${pahole_ver}" -le "121" ]; then
	# pahole 1.18 through 1.21 can't handle zero-sized per-CPU vars
	extra_paholeopt="${extra_paholeopt} --skip_encoding_btf_vars"
fi
if [ "${pahole_ver}" -ge "121" ]; then
	extra_paholeopt="${extra_paholeopt} --btf_gen_floats"
fi
if [ "${pahole_ver}" -ge "122" ]; then
	extra_paholeopt="${extra_paholeopt} -j"
fi
if [ "${pahole_ver}" -ge "124" ]; then
	# see PAHOLE_HAS_LANG_EXCLUDE
	extra_paholeopt="${extra_paholeopt} --lang_exclude=rust"
fi
if [ "${pahole_ver}" -ge "125" ]; then
	extra_paholeopt="${extra_paholeopt} --skip_encoding_btf_inconsistent_proto --btf_gen_optimized"
fi

echo ${extra_paholeopt}