cf/check-symbols.sh

   1 #!/bin/sh
   2 # check library exported symbols
   3 # $Id$
   4
   5 LANG=C
   6 export LANG
   7
   8 esym="__i686.get_pc_thunk fc_softc"
   9 symbols=
  10
  11 # AIX has different default output format
  12 nmargs=""
  13 if [ "`uname`" = AIX ]; then
  14         nmargs="-B"
  15 fi
  16
  17 while test $# != 0 ;do
  18   case "$1" in
  19     -lib) lib="$2" ; shift;;
  20     -com_err)
  21        esym="${esym} com_right\$ free_error_table\$ initialize_error_table_r\$"
  22        esym="${esym} com_err error_message\$ error_table_name\$"
  23        esym="${esym} init_error_table\$ add_to_error_table\$"
  24        esym="${esym} reset_com_err_hook\$ set_com_err_hook\$ _et_list\$"
  25        esym="${esym} et_[A-Za-z0-9]*_error_table"
  26        esym="${esym} initialize_[A-Za-z0-9]*_error_table et_*_error_table" ;;
  27     -version)
  28        esym="${esym} print_version\$" ;;
  29     -asn1compile)
  30        esym="${esym} copy_ free_ length_ decode_ encode_ length_ "
  31        esym="${esym} *.2int\$ int2 asn1_[A-Za-z0-9]*_units\$" ;;
  32     -*) echo "unknown option $1" ; exit 1 ;;
  33     *) break ;;
  34   esac
  35   shift
  36 done
  37
  38 for a in "$@" $esym; do
  39     symbols="\$3 !~ /^[_\.]?${a}/ ${symbols:+&&} ${symbols}"
  40 done
  41
  42 # F filename, N debugsymbols, W weak symbols, U undefined
  43
  44 (nm $nmargs .libs/lib${lib}.a || nm $nmargs .libs/lib${lib}.so*)  |
  45 awk "BEGIN { stat = 0 }
  46 NF == 3 && \$2 ~ /[A-EG-MO-TVX-Z]/ && $symbols { printf \"%s should not be exported (type %s)\\n\", \$3, \$2; ++stat } END { exit stat }"
  47