src/stripper

   1 #!/tools/bin/bash
   2
   3 dirs=""
   4 excludes="/dev /proc /sys /run"
   5
   6 while [ $# -gt 0 ]; do
   7         case "${1}" in
   8                 --exclude=*)
   9                         excludes="${excludes} ${1#*=}"
  10                         ;;
  11                 *)
  12                         dirs="${dirs} ${1}"
  13                         ;;
  14         esac
  15         shift
  16 done
  17
  18 function _strip() {
  19         local file=${1}
  20         local cmd="${STRIP-strip}"
  21
  22         local exclude l
  23         for exclude in ${excludes}; do
  24                 l=${#exclude}
  25                 if [ "${file:0:${l}}" = "${exclude}" ]; then
  26                         return 0
  27                 fi
  28         done
  29
  30         case "$(file -bi ${file})" in
  31                 application/x-sharedlib*|application/x-archive*)
  32                         cmd="${cmd} --strip-debug --remove-section=.comment --remove-section=.note"
  33                         ;;
  34                 *)
  35                         cmd="${cmd} --strip-unneeded"
  36                         ;;
  37         esac
  38
  39         echo "Stripping ${file}..."
  40         ${cmd} ${file}
  41 }
  42
  43 for dir in ${dirs}; do
  44         # Strip shared objects.
  45         find ${dir} -type f \( -perm -0100 -or -perm -0010 -or -perm -0001 \) \
  46                 | file -N -f - | sed -n -e 's/^\(.*\):[   ]*.*ELF.*, not stripped/\1/p' |
  47                 while read file; do
  48                         _strip ${file}
  49                 done
  50
  51         # Strip static archives.
  52         find ${dir} -name \*.a -a -exec file {} \; \
  53                 | grep 'current ar archive' | sed -n -e 's/^\(.*\):[    ]*current ar archive/\1/p' |
  54                 while read file; do
  55                         _strip ${file}
  56                 done
  57 done