test/listused.sh

   1 #!/bin/sh
   2 ##############################################################################
   3 # Copyright (c) 2003,2006 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 1.7 2006/06/03 16:39:37 tom Exp $
  30 # A very simple script to list 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-widec
  36 # Static libraries are used, to provide some filtering based on internal usage
  37 # of the different symbols.
  38
  39 # keep the sorting independent of locale:
  40 if test "${LANGUAGE+set}"    = set; then LANGUAGE=C;    export LANGUAGE;    fi
  41 if test "${LANG+set}"        = set; then LANG=C;        export LANG;        fi
  42 if test "${LC_ALL+set}"      = set; then LC_ALL=C;      export LC_ALL;      fi
  43 if test "${LC_MESSAGES+set}" = set; then LC_MESSAGES=C; export LC_MESSAGES; fi
  44 if test "${LC_CTYPE+set}"    = set; then LC_CTYPE=C;    export LC_CTYPE;    fi
  45 if test "${LC_COLLATE+set}"  = set; then LC_COLLATE=C;  export LC_COLLATE;  fi
  46
  47 NM_OPTS=
  48
  49 if test ! -d ../objects ; then
  50         echo "? need objects to run this script"
  51         exit 1
  52 elif test ! -d ../lib ; then
  53         echo "? need libraries to run this script"
  54         exit 1
  55 fi
  56
  57 PROGS=
  58 for name in `(echo "test:";sort modules; echo "progs:";sort ../progs/modules) |sed -e 's/[      ].*//' -e '/^[#@]/d'`
  59 do
  60         case $name in
  61         *:)
  62                 PROGS="$PROGS $name"
  63                 ;;
  64         *)
  65                 NAME=../objects/${name}.o
  66                 if test -f $NAME
  67                 then
  68                         PROGS="$PROGS $NAME"
  69                 fi
  70                 ;;
  71         esac
  72 done
  73
  74 # For each library -
  75 for lib in ../lib/*.a
  76 do
  77         LIB=`basename $lib .a`
  78         case $LIB in
  79         *_*|*+*)
  80                 continue
  81                 ;;
  82         esac
  83
  84         tmp=`echo $LIB|sed -e 's/w$//'`
  85         echo
  86         echo "${tmp}:"
  87         echo $tmp |sed -e 's/./-/g'
  88         # Construct a list of public externals provided by the library.
  89         WANT=`nm $NM_OPTS $lib |\
  90                 sed     -e 's/^[^ ]*//' \
  91                         -e 's/^ *//' \
  92                         -e '/^[ a-z] /d' \
  93                         -e '/:$/d' \
  94                         -e '/^$/d' \
  95                         -e '/^U /d' \
  96                         -e 's/^[A-Z] //' \
  97                         -e '/^_/d' |\
  98                 sort -u`
  99         # List programs which use that external.
 100         for name in $WANT
 101         do
 102                 HAVE=
 103                 tags=
 104                 last=
 105                 for prog in $PROGS
 106                 do
 107                         case $prog in
 108                         *:)
 109                                 tags=$prog
 110                                 ;;
 111                         *)
 112                                 TEST=`nm $NM_OPTS $prog |\
 113                                         sed     -e 's/^[^ ]*//' \
 114                                                 -e 's/^ *//' \
 115                                                 -e '/^[ a-z] /d' \
 116                                                 -e '/:$/d' \
 117                                                 -e '/^$/d' \
 118                                                 -e 's/^[A-Z] //' \
 119                                                 -e '/^_/d' \
 120                                                 -e 's/^'${name}'$/_/' \
 121                                                 -e '/^[^_]/d'`
 122                                 if test -n "$TEST"
 123                                 then
 124                                         have=`basename $prog .o`
 125                                         if test -n "$HAVE"
 126                                         then
 127                                                 if test "$last" = "$tags"
 128                                                 then
 129                                                         HAVE="$HAVE $have"
 130                                                 else
 131                                                         HAVE="$HAVE $tags $have"
 132                                                 fi
 133                                         else
 134                                                 HAVE="$tags $have"
 135                                         fi
 136                                         last="$tags"
 137                                 fi
 138                                 ;;
 139                         esac
 140                 done
 141                 # if we did not find a program using it directly, see if it
 142                 # is used within a library.
 143                 if test -z "$HAVE"
 144                 then
 145                         for tmp in ../lib/*.a
 146                         do
 147                                 case $tmp in
 148                                 *_*|*+*)
 149                                         continue
 150                                         ;;
 151                                 esac
 152                                 TEST=`nm $NM_OPTS $tmp |\
 153                                         sed     -e 's/^[^ ]*//' \
 154                                                 -e 's/^ *//' \
 155                                                 -e '/^[ a-z] /d' \
 156                                                 -e '/:$/d' \
 157                                                 -e '/^$/d' \
 158                                                 -e '/^[A-TV-Z] /d' \
 159                                                 -e 's/^[A-Z] //' \
 160                                                 -e '/^_/d' \
 161                                                 -e 's/^'${name}'$/_/' \
 162                                                 -e '/^[^_]/d'`
 163                                 if test -n "$TEST"
 164                                 then
 165                                         tmp=`basename $tmp .a |sed -e 's/w$//'`
 166                                         HAVE=`echo $tmp | sed -e 's/lib/lib: /'`
 167                                         break
 168                                 fi
 169                         done
 170                 fi
 171                 test -z "$HAVE" && HAVE="-"
 172                 lenn=`expr 39 - length $name`
 173                 lenn=`expr $lenn / 8`
 174                 tabs=
 175                 while test $lenn != 0
 176                 do
 177                         tabs="${tabs}   "
 178                         lenn=`expr $lenn - 1`
 179                 done
 180                 echo "${name}${tabs}${HAVE}"
 181         done
 182 done