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#! /bin/bash
IFS=$'\n'
all_provides() {
nm "$@" \
| sed -r -ne 's:^0*([0-9a-f]+) A __crc_(.+):\1\t\2:p' \
| sort -k2 -u
}
all_requires() {
for module in "$@"; do
set -- $(/sbin/modinfo -F vermagic "$module" | sed -e 's: .*::' -e q)
/sbin/modprobe --dump-modversions "$module" \
| sed -r -e 's:^0x0*::' -e 's:$:\t'"$1"':'
done \
| sort -k2 -u
}
if ! [ -e /sbin/modinfo -a -e /sbin/modprobe ]; then
cat > /dev/null
exit 0
fi
modules=($(grep -E '/lib/modules/.+\.ko$'))
if [ ${#modules[@]} -gt 0 ]; then
symset_table=$(mktemp -t ${0##*/}.XXXXX)
/usr/lib/rpm/redhat/symset-table | sort > $symset_table
join -t $'\t' -j 1 -a 2 $symset_table <(
# Filter out requirements that we fulfill ourself.
join -t $'\t' -j 2 -v 1 \
<(all_requires "${modules[@]}") \
<(all_provides "${modules[@]}") \
| awk '
BEGIN { FS = "\t" ; OFS = "\t" }
{ print $3 "/" $2 "/" $1 }
' \
| sort -u) \
| sort -u \
| awk '
{ FS = "\t" ; OFS = "\t" }
NF == 3 { print "kernel(" $2 ") = " $3
next }
{ split($1, arr, "/")
print "ksym(" arr[3] ") = " arr[2] }
'
fi