sys/conf/kmod_syms.awk

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