xref: /freebsd/sys/conf/kmod_syms.awk (revision 0b3178a45cd08a2387bff09a2844deacc97ae1e7) 
1# $FreeBSD$
2
3# Read global symbols from object file.
4BEGIN {
5        while ("nm -g " ARGV[1] | getline) {
6                if (match($0, /^[^[:space:]]+ [^AU] (.*)$/)) {
7                        syms[$3] = $2
8                }
9        }
10}
11
12# De-list symbols from the export list.
13// {
14        if (ARGIND == 1)
15                nextfile
16        delete syms[$0]
17}
18
19# Strip commons, make everything else local.
20END {
21        for (member in syms) {
22                if (syms[member] == "C")
23                        print "-N" member
24                else
25                        print "-L" member
26        }
27}
28