elf/ldd.sh.in

   1 #! /bin/sh
   2
   3 # This is the `ldd' command, which lists what shared libraries are
   4 # used by given dynamically-linked executables.  It works by invoking the
   5 # run-time dynamic linker as a command and giving it the special `--list'
   6 # switch.
   7
   8 RTLD=@RTLD@
   9
  10 case $# in
  11 0)
  12   echo >&2 "Usage: $0 FILE..."
  13   exit 1 ;;
  14 1)
  15   # We don't list the file name when there is only one.
  16   case "$1" in
  17   /*) file="$1" ;;
  18   *) file="./$1" ;;
  19   esac
  20   exec ${RTLD} --list "$file" && exit 1
  21   exit ;;
  22 *)
  23   set -e        # Bail out immediately if ${RTLD} loses on any argument.
  24   for file; do
  25     echo "${file}:"
  26     case "$file" in
  27     /*) file="$file" ;;
  28     *) file="./$file" ;;
  29     esac
  30     ${RTLD} --list "$file"
  31   done
  32 esac
  33
  34 exit 0