# gdb --args php -c /etc/php_cli.ini -f /var/www/cli_pm/debug/cbt.php
GNU gdb (GDB) Red Hat Enterprise Linux (7.0.1-32.el5_6.4)
Copyright (C) 2009 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-redhat-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/bin/php...(no debugging symbols found)...done.
(gdb) r
Starting program: /usr/bin/php -c /etc/php_cli.ini -f /var/www/cli_pm/debug/cbt.php
[Thread debugging using libthread_db enabled]
Before view call

Program received signal SIGSEGV, Segmentation fault.
0x0000003be8c7c24e in memcpy () from /lib64/libc.so.6