2 # Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
3 # This file is part of the GNU C Library.
5 # The GNU C Library is free software; you can redistribute it and/or
6 # modify it under the terms of the GNU Lesser General Public
7 # License as published by the Free Software Foundation; either
8 # version 2.1 of the License, or (at your option) any later version.
10 # The GNU C Library is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # Lesser General Public License for more details.
15 # You should have received a copy of the GNU Lesser General Public
16 # License along with the GNU C Library; if not, write to the Free
17 # Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
21 # This is the `ldd' command, which lists what shared libraries are
22 # used by given dynamically-linked executables. It works by invoking the
23 # run-time dynamic linker as a command and setting the environment
24 # variable LD_TRACE_LOADED_OBJECTS to a non-empty value.
26 # We should be able to find the translation right at the beginning.
28 TEXTDOMAINDIR=@TEXTDOMAINDIR@
35 while test $# -gt 0; do
37 --vers | --versi | --versio | --version)
38 echo 'ldd (GNU libc) @VERSION@'
39 echo $"Copyright (C) 2001 Free Software Foundation, Inc.
40 This is free software; see the source for copying conditions. There is NO
41 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
42 Written by Roland McGrath and Ulrich Drepper."
45 --h | --he | --hel | --help)
46 echo $"Usage: ldd [OPTION]... FILE...
47 --help print this help and exit
48 --version print version information and exit
49 -d, --data-relocs process data relocations
50 -r, --function-relocs process data and function relocations
51 -v, --verbose print all information
52 Report bugs using the \`glibcbug' script to <bugs@gnu.org>."
55 -d | --d | --da | --dat | --data | --data- | --data-r | --data-re | \
56 --data-rel | --data-relo | --data-reloc | --data-relocs)
60 -r | --f | --fu | --fun | --func | --funct | --functi | --functio | \
61 --function | --function- | --function-r | --function-re | --function-rel | \
62 --function-relo | --function-reloc | --function-relocs)
67 -v | --verb | --verbo | --verbos | --verbose)
72 echo >&2 $"ldd: option \`$1' is ambiguous"
75 --) # Stop option processing.
79 echo >&2 'ldd:' $"unrecognized option" "\`$1'"
80 echo >&2 $"Try \`ldd --help' for more information."
91 # Maybe extra code for non-ELF binaries.
95 add_env="LD_TRACE_LOADED_OBJECTS=1 LD_WARN=$warn LD_BIND_NOW=$bind_now"
96 add_env="$add_env LD_VERBOSE=$verbose"
99 echo >&2 'ldd:' $"missing file arguments"
100 echo >&2 $"Try \`ldd --help' for more information."
113 # We don't list the file name when there is only one.
114 test $single_file = t || echo "${file}:"
121 if test ! -f "$file"; then
122 echo "ldd: ${file}:" $"No such file or directory" >&2
124 elif test -r "$file"; then
125 test -x "$file" || echo 'ldd:' $"\
126 warning: you do not have execution permission for" "\`$file'" >&2
128 for rtld in ${RTLDLIST}; do
129 if test -x $rtld; then
130 verify_out=`${rtld} --verify "$file"`
133 [02]) RTLD=${rtld}; break;;
137 if test -z "${RTLD}"; then
140 verify_out=`${RTLD} --verify "$file"`
145 eval $add_env '"$file"' || result=1
148 # This can be a non-ELF binary or no binary at all.
150 echo $" not a dynamic executable"
155 eval $add_env \${RTLD} '"$file"' || result=1
158 echo 'ldd:' ${RTLD} $"exited with unknown exit code" "($ret)" >&2
163 echo 'ldd:' $"error: you do not have read permission for" "\`$file'" >&2