#! @BASH@ # Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc. # This file is part of the GNU C Library. # The GNU C Library is free software; you can redistribute it and/or # modify it under the terms of the GNU Library General Public License as # published by the Free Software Foundation; either version 2 of the # License, or (at your option) any later version. # The GNU C Library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Library General Public License for more details. # You should have received a copy of the GNU Library General Public # License along with the GNU C Library; see the file COPYING.LIB. If not, # write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, # Boston, MA 02111-1307, USA. # This is the `ldd' command, which lists what shared libraries are # used by given dynamically-linked executables. It works by invoking the # run-time dynamic linker as a command and setting the environment # variable LD_TRACE_LOADED_OBJECTS to a non-empty value. # We should be able to find the translation right at the beginning. TEXTDOMAIN=libc TEXTDOMAINDIR=@TEXTDOMAINDIR@ RTLDLIST=@RTLD@ warn= bind_now= verbose= while test $# -gt 0; do case "$1" in --vers | --versi | --versio | --version) echo 'ldd (GNU libc) @VERSION@' echo $"Copyright (C) 1999 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Written by Roland McGrath and Ulrich Drepper." exit 0 ;; --h | --he | --hel | --help) echo $"Usage: ldd [OPTION]... FILE... --help print this help and exit --version print version information and exit -d, --data-relocs process data relocations -r, --function-relocs process data and function relocations -v, --verbose print all information Report bugs using the \`glibcbug' script to <bugs@gnu.org>." exit 0 ;; -d | --d | --da | --dat | --data | --data- | --data-r | --data-re | \ --data-rel | --data-relo | --data-reloc | --data-relocs) warn=yes shift ;; -r | --f | --fu | --fun | --func | --funct | --functi | --functio | \ --function | --function- | --function-r | --function-re | --function-rel | \ --function-relo | --function-reloc | --function-relocs) warn=yes bind_now=yes shift ;; -v | --verb | --verbo | --verbos | --verbose) verbose=yes shift ;; --v | --ve | --ver) echo >&2 $"ldd: option \`$1' is ambiguous" exit 1 ;; --) # Stop option processing. shift; break ;; -*) echo >&2 'ldd:' $"unrecognized option" "\`$1'" echo >&2 $"Try \`ldd --help' for more information." exit 1 ;; *) break ;; esac done nonelf () { # Maybe extra code for non-ELF binaries. return 1; } add_env="LD_TRACE_LOADED_OBJECTS=1 LD_WARN=$warn LD_BIND_NOW=$bind_now" add_env="$add_env LD_VERBOSE=$verbose" case $# in 0) echo >&2 'ldd:' $"missing file arguments" echo >&2 $"Try \`ldd --help' for more information." exit 1 ;; 1) single_file=t ;; *) single_file=f ;; esac result=0 for file do # We don't list the file name when there is only one. test $single_file = t || echo "${file}:" case $file in */*) : ;; *) file=./$file ;; esac if test ! -f "$file"; then echo "ldd: ${file}:" $"No such file or directory" >&2 result=1 elif test -r "$file"; then test -x "$file" || echo 'ldd:' $"\ warning: you do not have execution permission for" "\`$file'" >&2 RTLD= for rtld in ${RTLDLIST}; do if test -x $rtld; then verify_out=`${rtld} --verify "$file"` ret=$? case $ret in [02]) RTLD=${rtld}; break;; esac fi done if test -z "${RTLD}"; then set ${RTLDLIST} RTLD=$1 verify_out=`${RTLD} --verify "$file"` ret=$? fi case $ret in 0) eval $add_env '"$file"' || result=1 ;; 1) # This can be a non-ELF binary or no binary at all. nonelf "$file" || { echo $" not a dynamic executable" result=1 } ;; 2) eval $add_env \${RTLD} '"$file"' || result=1 ;; *) echo 'ldd:' ${RTLD} $"exited with unknown exit code" "($ret)" >&2 exit 1 ;; esac else echo 'ldd:' $"error: you do not have read permission for" "\`$file'" >&2 result=1 fi done exit $result # Local Variables: # mode:ksh # End: