elf/ldd.bash.in

   1 #! @BASH@
   2
   3 # Copyright (C) 1996, 1997 Free Software Foundation, Inc.
   4 # This file is part of the GNU C Library.
   5
   6 # The GNU C Library is free software; you can redistribute it and/or
   7 # modify it under the terms of the GNU Library General Public License as
   8 # published by the Free Software Foundation; either version 2 of the
   9 # License, or (at your option) any later version.
  10
  11 # The GNU C Library is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 # Library General Public License for more details.
  15
  16 # You should have received a copy of the GNU Library General Public
  17 # License along with the GNU C Library; see the file COPYING.LIB.  If not,
  18 # write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19 # Boston, MA 02111-1307, USA.
  20
  21
  22 # This is the `ldd' command, which lists what shared libraries are
  23 # used by given dynamically-linked executables.  It works by invoking the
  24 # run-time dynamic linker as a command and setting the environment
  25 # variable LD_TRACE_LOADED_OBJECTS to a non-empty value.
  26
  27 # We should be able to find the translation right at the beginning.
  28 TEXTDOMAIN=libc
  29 TEXTDOMAINDIR=@TEXTDOMAINDIR@
  30
  31 RTLD=@RTLD@
  32
  33 while test $# -gt 0; do
  34   case "$1" in
  35   --v*)
  36     echo $"ldd (GNU libc) @VERSION@
  37 Copyright (C) 1996, 1997 Free Software Foundation, Inc.
  38 This is free software; see the source for copying conditions.  There is NO
  39 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
  40     exit 0 ;;
  41   --h*)
  42     echo $"ldd [OPTION]... FILE...
  43   --help           print this help and exit
  44   --version        print version information and exit
  45 Report bugs using the \`glibcbug' script to <bugs@gnu.ai.mit.edu>."
  46     exit 0 ;;
  47   --)           # Stop option processing.
  48     shift; break ;;
  49   *)
  50     break ;;
  51   esac
  52 done
  53
  54 case $# in
  55 0)
  56   echo >&2 $"\
  57 ldd: missing file arguments
  58 Try \`ldd --help' for more information."
  59   exit 1 ;;
  60 1)
  61   # We don't list the file name when there is only one.
  62   case "$1" in
  63   /*) file="$1" ;;
  64   *) file="./$1" ;;
  65   esac
  66   if test ! -f "$file"; then
  67     echo "${file}:" $"no such file"
  68   elif ${RTLD} --verify "$file"; then
  69     LD_TRACE_LOADED_OBJECTS=1 exec ${RTLD} "$file" && exit 1
  70   else
  71     echo $"     not a dynamic executable"
  72   fi
  73   exit ;;
  74 *)
  75   set -e        # Bail out immediately if ${RTLD} loses on any argument.
  76   for file; do
  77     echo "${file}:"
  78     case "$file" in
  79     /*) : ;;
  80     *) file="./$file" ;;
  81     esac
  82     if test ! -f "$file"; then
  83       echo "$file:" $"no such file"
  84     elif ${RTLD} --verify "$file"; then
  85       LD_TRACE_LOADED_OBJECTS=1 ${RTLD} "$file"
  86     else
  87       echo $"   not a dynamic executable"
  88     fi
  89   done
  90 esac
  91
  92 exit 0
  93 # Local Variables:
  94 #  mode:ksh
  95 # End: