freebsd-dev/sys/conf/kmod_syms.awk

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# $FreeBSD$
# Read global symbols from object file.
BEGIN {
while ("nm -g " ARGV[1] | getline) {
if (match($0, /^[^[:space:]]+ [^AU] (.*)$/)) {
syms[$3] = $2
}
}
}
# De-list symbols from the export list.
// {
if (ARGIND == 1)
nextfile
delete syms[$0]
}
# Strip commons, make everything else local.
END {
for (member in syms) {
if (syms[member] == "C")
print "-N" member
else
print "-L" member
}
}