test/listused.sh

   1 #!/bin/sh
   2 ##############################################################################
   3 # Copyright 2020-2021,2022 Thomas E. Dickey                                  #
   4 # Copyright 2003-2006,2010 Free Software Foundation, Inc.                    #
   5 #                                                                            #
   6 # Permission is hereby granted, free of charge, to any person obtaining a    #
   7 # copy of this software and associated documentation files (the "Software"), #
   8 # to deal in the Software without restriction, including without limitation  #
   9 # the rights to use, copy, modify, merge, publish, distribute, distribute    #
  10 # with modifications, sublicense, and/or sell copies of the Software, and to #
  11 # permit persons to whom the Software is furnished to do so, subject to the  #
  12 # following conditions:                                                      #
  13 #                                                                            #
  14 # The above copyright notice and this permission notice shall be included in #
  15 # all copies or substantial portions of the Software.                        #
  16 #                                                                            #
  17 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR #
  18 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,   #
  19 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL    #
  20 # THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER      #
  21 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING    #
  22 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER        #
  23 # DEALINGS IN THE SOFTWARE.                                                  #
  24 #                                                                            #
  25 # Except as contained in this notice, the name(s) of the above copyright     #
  26 # holders shall not be used in advertising or otherwise to promote the sale, #
  27 # use or other dealings in this Software without prior written               #
  28 # authorization.                                                             #
  29 ##############################################################################
  30 # $Id: listused.sh,v 1.12 2022/07/16 16:33:38 tom Exp $
  31 # A very simple script to list all entrypoints that are used by either a test
  32 # program, or within the libraries.  This relies on the output format of 'nm',
  33 # and assumes that the libraries are configured with TRACE defined, and using
  34 # these options:
  35 #       --disable-macros
  36 #       --enable-opaque-curses
  37 #       --enable-sp-funcs
  38 #       --enable-widec
  39 #       --without-gpm
  40 # Static libraries are used, to provide some filtering based on internal usage
  41 # of the different symbols.
  42
  43 # keep the sorting independent of locale:
  44 if test "${LANGUAGE+set}"    = set; then LANGUAGE=C;    export LANGUAGE;    fi
  45 if test "${LANG+set}"        = set; then LANG=C;        export LANG;        fi
  46 if test "${LC_ALL+set}"      = set; then LC_ALL=C;      export LC_ALL;      fi
  47 if test "${LC_MESSAGES+set}" = set; then LC_MESSAGES=C; export LC_MESSAGES; fi
  48 if test "${LC_CTYPE+set}"    = set; then LC_CTYPE=C;    export LC_CTYPE;    fi
  49 if test "${LC_COLLATE+set}"  = set; then LC_COLLATE=C;  export LC_COLLATE;  fi
  50
  51 NM_OPTS=
  52
  53 if test ! -d ../objects ; then
  54         echo "? need objects to run this script"
  55         exit 1
  56 elif test ! -d ../lib ; then
  57         echo "? need libraries to run this script"
  58         exit 1
  59 fi
  60
  61 PROGS=
  62 for name in `(echo "test:";sort modules; echo "progs:";sort ../progs/modules) |sed -e 's/[      ].*//' -e '/^[#@]/d'`
  63 do
  64         case $name in
  65         *:)
  66                 PROGS="$PROGS $name"
  67                 ;;
  68         *)
  69                 NAME=../objects/${name}.o
  70                 if test -f "$NAME"
  71                 then
  72                         PROGS="$PROGS $NAME"
  73                 fi
  74                 ;;
  75         esac
  76 done
  77
  78 # For each library -
  79 for lib in ../lib/*.a
  80 do
  81         LIB=`basename "$lib" .a`
  82         case $LIB in
  83         *_*|*+*)
  84                 continue
  85                 ;;
  86         esac
  87
  88         tmp=`echo "$LIB"|sed -e 's/w$//'`
  89         echo
  90         echo "${tmp}:"
  91         echo "$tmp" |sed -e 's/./-/g'
  92         # Construct a list of public externals provided by the library.
  93         WANT=`nm $NM_OPTS "$lib" |\
  94                 sed     -e 's/^[^ ]*//' \
  95                         -e 's/^ *//' \
  96                         -e '/^[ a-z] /d' \
  97                         -e '/:$/d' \
  98                         -e '/^$/d' \
  99                         -e '/^U /d' \
 100                         -e 's/^[A-Z] //' \
 101                         -e '/^_/d' |\
 102                 sort -u`
 103         # List programs which use that external.
 104         for name in $WANT
 105         do
 106                 HAVE=
 107                 tags=
 108                 last=
 109                 for prog in $PROGS
 110                 do
 111                         case $prog in
 112                         *:)
 113                                 tags=$prog
 114                                 ;;
 115                         *)
 116                                 TEST=`nm $NM_OPTS "$prog" |\
 117                                         sed     -e 's/^[^ ]*//' \
 118                                                 -e 's/^ *//' \
 119                                                 -e '/^[ a-z] /d' \
 120                                                 -e '/:$/d' \
 121                                                 -e '/^$/d' \
 122                                                 -e 's/^[A-Z] //' \
 123                                                 -e '/^_/d' \
 124                                                 -e 's/^'${name}'$/_/' \
 125                                                 -e '/^[^_]/d'`
 126                                 if test -n "$TEST"
 127                                 then
 128                                         have=`basename "$prog" .o`
 129                                         if test -n "$HAVE"
 130                                         then
 131                                                 if test "$last" = "$tags"
 132                                                 then
 133                                                         HAVE="$HAVE $have"
 134                                                 else
 135                                                         HAVE="$HAVE $tags $have"
 136                                                 fi
 137                                         else
 138                                                 HAVE="$tags $have"
 139                                         fi
 140                                         last="$tags"
 141                                 fi
 142                                 ;;
 143                         esac
 144                 done
 145                 # if we did not find a program using it directly, see if it
 146                 # is used within a library.
 147                 if test -z "$HAVE"
 148                 then
 149                         for tmp in ../lib/*.a
 150                         do
 151                                 case $tmp in
 152                                 *_*|*+*)
 153                                         continue
 154                                         ;;
 155                                 esac
 156                                 TEST=`nm $NM_OPTS "$tmp" |\
 157                                         sed     -e 's/^[^ ]*//' \
 158                                                 -e 's/^ *//' \
 159                                                 -e '/^[ a-z] /d' \
 160                                                 -e '/:$/d' \
 161                                                 -e '/^$/d' \
 162                                                 -e '/^[A-TV-Z] /d' \
 163                                                 -e 's/^[A-Z] //' \
 164                                                 -e '/^_/d' \
 165                                                 -e 's/^'${name}'$/_/' \
 166                                                 -e '/^[^_]/d'`
 167                                 if test -n "$TEST"
 168                                 then
 169                                         tmp=`basename "$tmp" .a |sed -e 's/w$//'`
 170                                         HAVE=`echo "$tmp" | sed -e 's/lib/lib: /'`
 171                                         break
 172                                 fi
 173                         done
 174                 fi
 175                 test -z "$HAVE" && HAVE="-"
 176                 lenn=`expr 39 - length "$name"`
 177                 lenn=`expr "$lenn" / 8`
 178                 tabs=
 179                 while test "$lenn" != 0
 180                 do
 181                         tabs="${tabs}   "
 182                         lenn=`expr "$lenn" - 1`
 183                 done
 184                 echo "${name}${tabs}${HAVE}"
 185         done
 186 done