scripts/rstrip.sh

   1 # This file is part of the OpenADK project. OpenADK is copyrighted
   2 # material, please see the LICENCE file in the top-level directory.
   3
   4 [[ -n $BASH_VERSION ]] && shopt -s extglob
   5
   6 SELF=${0##*/}
   7
   8 if [[ -z $prefix ]]; then
   9         echo >&2 "$SELF: strip command not defined ('prefix' variable not set)"
  10         exit 1
  11 fi
  12
  13 if [[ $1 = +keep ]]; then
  14         stripcomm=
  15         shift
  16 else
  17         stripcomm=" -R .comment"
  18 fi
  19
  20 TARGETS=$*
  21
  22 if [[ -z $TARGETS ]]; then
  23         echo >&2 "$SELF: no directories / files specified"
  24         echo >&2 "usage: $SELF [PATH...]"
  25         exit 1
  26 fi
  27
  28 find $TARGETS -type f -a -exec file {} \; | \
  29     while IFS= read -r line; do
  30         F=${line%%:*}
  31         V=${F##*/fake-+([!/])/}
  32         T="${prefix}strip"
  33         T=$T$stripcomm
  34         case $line in
  35         *ELF*executable*statically\ linked*)
  36                 echo >&2 "$SELF: *WARNING* '$V' is not dynamically linked!"
  37                 ;;
  38         *ELF*relocatable*,\ not\ stripped*)
  39                 echo >&2 "$SELF: *WARNING* '$V' is a relocatable!"
  40                 ;;
  41         esac
  42         case $line in
  43         *ELF*executable*,\ not\ stripped*)
  44                 S=executable ;;
  45         */lib/modules/2.*.o:*ELF*relocatable*,\ not\ stripped* | \
  46         */lib/modules/2.*.ko:*ELF*relocatable*,\ not\ stripped*)
  47                 # kernel module parametres must not be stripped off
  48                 T="$T --strip-unneeded $(echo $(${prefix}nm $F | \
  49                     sed -n -e '/__param_/s/^.*__param_/-K /p' \
  50                     -e '/__module_parm_/s/^.*__module_parm_/-K /p'))"
  51                 S='kernel module' ;;
  52         *ELF*shared\ object*,\ not\ stripped*)
  53                 S='shared object' ;;
  54         *)
  55                 continue ;;
  56         esac
  57         echo "$SELF: $V:$S"
  58         echo "-> $T $F"
  59         eval "$T $F"
  60 done