devtools/check-symbol-maps.sh

   1 #! /bin/sh -e
   2 # SPDX-License-Identifier: BSD-3-Clause
   3 # Copyright 2018 Mellanox Technologies, Ltd
   4
   5 cd $(dirname $0)/..
   6
   7 # speed up by ignoring Unicode details
   8 export LC_ALL=C
   9
  10 if [ $# = 0 ] ; then
  11     set -- $(find lib drivers -name '*.map')
  12 fi
  13
  14 ret=0
  15
  16 find_orphan_symbols ()
  17 {
  18     for map in $@ ; do
  19         for sym in $(sed -rn 's,^([^}]*_.*);.*$,\1,p' $map) ; do
  20             if echo $sym | grep -q '^per_lcore_' ; then
  21                 symsrc=${sym#per_lcore_}
  22             elif echo $sym | grep -q '^__rte_.*_trace_' ; then
  23                 symsrc=${sym#__}
  24             else
  25                 symsrc=$sym
  26             fi
  27             if [ -z "$(grep -rlw $symsrc $(dirname $map) | grep -v $map)" ] ; then
  28                 echo "$map: $sym"
  29             fi
  30         done
  31     done
  32 }
  33
  34 orphan_symbols=$(find_orphan_symbols $@)
  35 if [ -n "$orphan_symbols" ] ; then
  36     echo "Found only in symbol map file:"
  37     echo "$orphan_symbols" | sed 's,^,\t,'
  38     ret=1
  39 fi
  40
  41 find_duplicate_symbols ()
  42 {
  43     for map in $@ ; do
  44         buildtools/map-list-symbol.sh $map | \
  45             sort | uniq -c | grep -v " 1 $map" || true
  46     done
  47 }
  48
  49 duplicate_symbols=$(find_duplicate_symbols $@)
  50 if [ -n "$duplicate_symbols" ] ; then
  51     echo "Found duplicates in symbol map file:"
  52     echo "$duplicate_symbols"
  53     ret=1
  54 fi
  55
  56 exit $ret