pldd - display dynamic shared objects linked into a process
The pldd command displays a list of the dynamic shared objects that are
linked into the process with the specified process ID. The list includes the
libraries that have been dynamically loaded using dlopen(3).
On success, pldd exits with the status 0. If the specified process does
not exist, the user does not have permission to access its dynamic shared
object list, or no command-line arguments are supplied, pldd exists
with a status of 1. If given an invalid option, it exits with the status 64.
pldd is available since glibc 2.15.
The pldd command is not specified by POSIX.1. Some other systems have a
- -?, --help
- Display program help message.
- Display a short usage message.
- -V, --version
- Display the program version.
lsof -p PID
also shows output that includes the dynamic shared objects that
are linked into a process.
The gdb(1) info shared command also shows the shared
libraries being used by a process, so that one can obtain similar output to
pldd using a command such as the following (to monitor the process
with the specified pid):
$ gdb -ex "set confirm off" -ex "set height 0" -ex "info shared" \
-ex "quit" -p $pid | grep '^0x.*0x'
Since glibc 2.19, pldd is broken: it just hangs when executed. It is
unclear if it will ever be fixed.
$ echo $$ # Display PID of shell
$ pldd $$ # Display DSOs linked into the shell
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