3 # Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
4 # This file is part of the GNU C Library.
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.
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.
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.
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.
27 # We should be able to find the translation right at the beginning.
29 TEXTDOMAINDIR=@TEXTDOMAINDIR@
36 while test $# -gt 0; do
38 --vers | --versi | --versio | --version)
39 echo 'ldd (GNU libc) @VERSION@'
40 echo $"Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
41 This is free software; see the source for copying conditions. There is NO
42 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
43 Written by Roland McGrath and Ulrich Drepper."
46 --h | --he | --hel | --help)
47 echo $"ldd [OPTION]... FILE...
48 --help print this help and exit
49 --version print version information and exit
50 -d, --data-relocs process data relocations
51 -r, --function-relocs process data and function relocations
52 -v, --verbose print all information
53 Report bugs using the \`glibcbug' script to <bugs@gnu.org>."
56 -d | --d | --da | --dat | --data | --data- | --data-r | --data-re | \
57 --data-rel | --data-relo | --data-reloc | --data-relocs)
61 -r | --f | --fu | --fun | --func | --funct | --functi | --functio | \
62 --function | --function- | --function-r | --function-re | --function-rel | \
63 --function-relo | --function-reloc | --function-relocs)
68 -v | --verb | --verbo | --verbos | --verbose)
73 echo >&2 $"ldd: option \`$1' is ambiguous"
76 --) # Stop option processing.
80 echo >&2 'ldd:' $"unrecognized option" "\`$1'"
81 echo >&2 $"Try \`ldd --help' for more information."
92 # Maybe extra code for non-ELF binaries.
96 add_env="LD_TRACE_LOADED_OBJECTS=1 LD_WARN=$warn LD_BIND_NOW=$bind_now"
97 add_env="$add_env LD_VERBOSE=$verbose"
100 echo >&2 'ldd:' $"missing file arguments"
101 echo >&2 $"Try \`ldd --help' for more information."
105 # We don't list the file name when there is only one.
112 if test ! -f "$file"; then
113 echo "ldd: ${file}:" $"no such file"
115 elif test -r "$file"; then
117 echo 'ldd:' $"warning: you do not have execution permission for" "\`$file'"
118 verify_out=`${RTLD} --verify "$file"`
121 eval $add_env exec '"$file"' || exit 1
124 # This can be a non-ELF binary or no binary at all.
126 echo $" not a dynamic executable"
130 eval $add_env exec \${RTLD} '"$file"' || exit 1
133 echo 'ldd:' ${RTLD} $"exited with unknown exit code" "($?)" >&2
138 echo 'ldd:' $"error: you do not have read permission for" "\`$file'"
153 if test ! -f "$file"; then
154 echo "ldd: ${file}:" $"no such file"
156 elif test -r "$file"; then
157 test -x "$file" || echo 'ldd:' $"\
158 warning: you do not have execution permission for" "\`$file'"
159 verify_out=`${RTLD} --verify "$file"`
162 eval $add_env '"$file"' || result=1
165 # This can be a non-ELF binary or no binary at all.
167 echo $" not a dynamic executable"
172 eval $add_env ${RTLD} '"$file"' || result=1
175 echo 'ldd:' ${RTLD} $"exited with unknown exit code" "($?)" >&2
180 echo 'ldd:' $"error: you do not have read permission for" "\`$file'"