test/listused.sh

   1 #!/bin/sh
   2 ##############################################################################
   3 # Copyright (c) 2003-2006,2010 Free Software Foundation, Inc.                #
   4 #                                                                            #
   5 # Permission is hereby granted, free of charge, to any person obtaining a    #
   6 # copy of this software and associated documentation files (the "Software"), #
   7 # to deal in the Software without restriction, including without limitation  #
   8 # the rights to use, copy, modify, merge, publish, distribute, distribute    #
   9 # with modifications, sublicense, and/or sell copies of the Software, and to #
  10 # permit persons to whom the Software is furnished to do so, subject to the  #
  11 # following conditions:                                                      #
  12 #                                                                            #
  13 # The above copyright notice and this permission notice shall be included in #
  14 # all copies or substantial portions of the Software.                        #
  15 #                                                                            #
  16 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR #
  17 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,   #
  18 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL    #
  19 # THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER      #
  20 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING    #
  21 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER        #
  22 # DEALINGS IN THE SOFTWARE.                                                  #
  23 #                                                                            #
  24 # Except as contained in this notice, the name(s) of the above copyright     #
  25 # holders shall not be used in advertising or otherwise to promote the sale, #
  26 # use or other dealings in this Software without prior written               #
  27 # authorization.                                                             #
  28 ##############################################################################
  29 # $Id: listused.sh,v 1.8 2010/09/18 15:15:15 tom Exp $
  30 # A very simple script to list all entrypoints that are used by either a test
  31 # program, or within the libraries.  This relies on the output format of 'nm',
  32 # and assumes that the libraries are configured with TRACE defined, and using
  33 # these options:
  34 #       --disable-macros
  35 #       --enable-sp-funcs
  36 #       --enable-widec
  37 # Static libraries are used, to provide some filtering based on internal usage
  38 # of the different symbols.
  39
  40 # keep the sorting independent of locale:
  41 if test "${LANGUAGE+set}"    = set; then LANGUAGE=C;    export LANGUAGE;    fi
  42 if test "${LANG+set}"        = set; then LANG=C;        export LANG;        fi
  43 if test "${LC_ALL+set}"      = set; then LC_ALL=C;      export LC_ALL;      fi
  44 if test "${LC_MESSAGES+set}" = set; then LC_MESSAGES=C; export LC_MESSAGES; fi
  45 if test "${LC_CTYPE+set}"    = set; then LC_CTYPE=C;    export LC_CTYPE;    fi
  46 if test "${LC_COLLATE+set}"  = set; then LC_COLLATE=C;  export LC_COLLATE;  fi
  47
  48 NM_OPTS=
  49
  50 if test ! -d ../objects ; then
  51         echo "? need objects to run this script"
  52         exit 1
  53 elif test ! -d ../lib ; then
  54         echo "? need libraries to run this script"
  55         exit 1
  56 fi
  57
  58 PROGS=
  59 for name in `(echo "test:";sort modules; echo "progs:";sort ../progs/modules) |sed -e 's/[      ].*//' -e '/^[#@]/d'`
  60 do
  61         case $name in
  62         *:)
  63                 PROGS="$PROGS $name"
  64                 ;;
  65         *)
  66                 NAME=../objects/${name}.o
  67                 if test -f $NAME
  68                 then
  69                         PROGS="$PROGS $NAME"
  70                 fi
  71                 ;;
  72         esac
  73 done
  74
  75 # For each library -
  76 for lib in ../lib/*.a
  77 do
  78         LIB=`basename $lib .a`
  79         case $LIB in
  80         *_*|*+*)
  81                 continue
  82                 ;;
  83         esac
  84
  85         tmp=`echo $LIB|sed -e 's/w$//'`
  86         echo
  87         echo "${tmp}:"
  88         echo $tmp |sed -e 's/./-/g'
  89         # Construct a list of public externals provided by the library.
  90         WANT=`nm $NM_OPTS $lib |\
  91                 sed     -e 's/^[^ ]*//' \
  92                         -e 's/^ *//' \
  93                         -e '/^[ a-z] /d' \
  94                         -e '/:$/d' \
  95                         -e '/^$/d' \
  96                         -e '/^U /d' \
  97                         -e 's/^[A-Z] //' \
  98                         -e '/^_/d' |\
  99                 sort -u`
 100         # List programs which use that external.
 101         for name in $WANT
 102         do
 103                 HAVE=
 104                 tags=
 105                 last=
 106                 for prog in $PROGS
 107                 do
 108                         case $prog in
 109                         *:)
 110                                 tags=$prog
 111                                 ;;
 112                         *)
 113                                 TEST=`nm $NM_OPTS $prog |\
 114                                         sed     -e 's/^[^ ]*//' \
 115                                                 -e 's/^ *//' \
 116                                                 -e '/^[ a-z] /d' \
 117                                                 -e '/:$/d' \
 118                                                 -e '/^$/d' \
 119                                                 -e 's/^[A-Z] //' \
 120                                                 -e '/^_/d' \
 121                                                 -e 's/^'${name}'$/_/' \
 122                                                 -e '/^[^_]/d'`
 123                                 if test -n "$TEST"
 124                                 then
 125                                         have=`basename $prog .o`
 126                                         if test -n "$HAVE"
 127                                         then
 128                                                 if test "$last" = "$tags"
 129                                                 then
 130                                                         HAVE="$HAVE $have"
 131                                                 else
 132                                                         HAVE="$HAVE $tags $have"
 133                                                 fi
 134                                         else
 135                                                 HAVE="$tags $have"
 136                                         fi
 137                                         last="$tags"
 138                                 fi
 139                                 ;;
 140                         esac
 141                 done
 142                 # if we did not find a program using it directly, see if it
 143                 # is used within a library.
 144                 if test -z "$HAVE"
 145                 then
 146                         for tmp in ../lib/*.a
 147                         do
 148                                 case $tmp in
 149                                 *_*|*+*)
 150                                         continue
 151                                         ;;
 152                                 esac
 153                                 TEST=`nm $NM_OPTS $tmp |\
 154                                         sed     -e 's/^[^ ]*//' \
 155                                                 -e 's/^ *//' \
 156                                                 -e '/^[ a-z] /d' \
 157                                                 -e '/:$/d' \
 158                                                 -e '/^$/d' \
 159                                                 -e '/^[A-TV-Z] /d' \
 160                                                 -e 's/^[A-Z] //' \
 161                                                 -e '/^_/d' \
 162                                                 -e 's/^'${name}'$/_/' \
 163                                                 -e '/^[^_]/d'`
 164                                 if test -n "$TEST"
 165                                 then
 166                                         tmp=`basename $tmp .a |sed -e 's/w$//'`
 167                                         HAVE=`echo $tmp | sed -e 's/lib/lib: /'`
 168                                         break
 169                                 fi
 170                         done
 171                 fi
 172                 test -z "$HAVE" && HAVE="-"
 173                 lenn=`expr 39 - length $name`
 174                 lenn=`expr $lenn / 8`
 175                 tabs=
 176                 while test $lenn != 0
 177                 do
 178                         tabs="${tabs}   "
 179                         lenn=`expr $lenn - 1`
 180                 done
 181                 echo "${name}${tabs}${HAVE}"
 182         done
 183 done