m08@makoto 12:37:35/130615(~)% gdb emacs
GNU gdb (GDB) 7.3.1
Copyright (C) 2011 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64--netbsd".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/pkg/bin/emacs...(no debugging symbols found)...done.
(gdb) set args -f wl
(gdb) run
Starting program: /usr/pkg/bin/emacs -f wl

Program received signal SIGSEGV, Segmentation fault.
[Switching to LWP 1]
0x00007f7feacec12a in memmove () from /usr/lib/libc.so.12
(gdb) quit

m08@makoto 14:07:05/130615(..mail/mailagent)% pkg_info |grep emacs
emacs-w3m-1.4.50nb20130611 Emacs frontend for w3m browser
x-face-e21-0.1      Display x-face on mail header with emacs
emacs-desktop-25em0.9 Emacs for Desktop
emacs24-24.3.50nb20130414 GNU editing macros (editor)