tools/tools/local_syms/local_syms.sh

   1 #! /bin/sh
   2 # $DragonFly: src/tools/tools/local_syms/local_syms.sh,v 1.1 2005/01/10 22:13:45 joerg Exp $
   3
   4 # Process all object files in the current directory and build a list
   5 # of symbols which are used only locally. Those are good candidates
   6 # for static.
   7
   8 tempfoo=`basename $0`
   9 TMPFILE=`mktemp -d -t ${tempfoo}` || exit 1
  10
  11 for a in *.o
  12 do
  13         nm -gpu "$a" | sed 's/^ *U //'
  14 done | sort | uniq > ${TMPFILE}/external_syms
  15
  16 for a in *.o
  17 do
  18         nm -pg --defined-only $a | awk '{ print $3 ; }' | sort > ${TMPFILE}/defined_syms
  19         comm -23 ${TMPFILE}/defined_syms ${TMPFILE}/external_syms > ${TMPFILE}/uniq_syms
  20         if test `wc -l < ${TMPFILE}/uniq_syms` -gt 0
  21         then
  22                 echo "$a:"
  23                 cat ${TMPFILE}/uniq_syms
  24                 echo
  25         fi
  26 done
  27
  28 rm -R ${TMPFILE}