scripts/rstrip.sh

   1 #!/usr/bin/env bash
   2 #
   3 # Copyright (C) 2006 OpenWrt.org
   4 #
   5 # This is free software, licensed under the GNU General Public License v2.
   6 # See /LICENSE for more information.
   7 #
   8
   9 find_modparams() {
  10         FILE="$1"
  11         $NM "$FILE" | awk '
  12 BEGIN {
  13         FS=" "
  14 }
  15 ($3 ~ /^__module_parm_/) && ($3 !~ /^__module_parm_desc/) {
  16         gsub(/__module_parm_/, "", $3)
  17         printf "-K " $3 " "
  18 }
  19 ($2 ~ /r/) && ($3 ~ /__param_/) {
  20         gsub(/__param_/, "", $3)
  21         printf "-K " $3 " "
  22 }
  23 '
  24 }
  25
  26
  27 SELF=${0##*/}
  28
  29 [ -z "$STRIP" ] && {
  30   echo "$SELF: strip command not defined (STRIP variable not set)"
  31   exit 1
  32 }
  33
  34 TARGETS=$*
  35
  36 [ -z "$TARGETS" ] && {
  37   echo "$SELF: no directories / files specified"
  38   echo "usage: $SELF [PATH...]"
  39   exit 1
  40 }
  41
  42 find $TARGETS -type f -a -exec file {} \; | \
  43   sed -n -e 's/^\(.*\):.*ELF.*\(executable\|relocatable\|shared object\).*,.* stripped/\1:\2/p' | \
  44 (
  45   IFS=":"
  46   while read F S; do
  47     echo "$SELF: $F:$S"
  48         [ "${S}" = "relocatable" ] && {
  49                 eval "$STRIP_KMOD -w -K '__param*' -K '__mod*' $(find_modparams "$F")$F"
  50         } || {
  51                 b=$(stat -c '%a' $F)
  52                 eval "$STRIP $F"
  53                 a=$(stat -c '%a' $F)
  54                 [ "$a" = "$b" ] || chmod $b $F
  55         }
  56   done
  57   true
  58 )