glibc/elf/ldd.sh.in
1996-08-16 01:33:20 +00:00

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#! /bin/sh
# 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 giving it the special `--list'
# switch.
RTLD=@RTLD@
case $# in
0)
echo >&2 "Usage: $0 FILE..."
exit 1 ;;
1)
# We don't list the file name when there is only one.
case "$1" in
/*) file="$1" ;;
*) file="./$1" ;;
esac
if ${RTLD} --verify "$file"; then
LD_TRACE_LOADED_OBJECTS=1 exec ${RTLD} "$file" && exit 1
else
echo ' not a dynamic executable'
fi
exit ;;
*)
set -e # Bail out immediately if ${RTLD} loses on any argument.
for file; do
echo "${file}:"
case "$file" in
/*) file="$file" ;;
*) file="./$file" ;;
esac
if ${RTLD} --verify "$file"; then
LD_TRACE_LOADED_OBJECTS=1 ${RTLD} "$file"
else
echo ' not a dynamic executable'
fi
done
esac
exit 0