gdb -p {{processid}}


(gdb) *break zif_php_uname*
Breakpoint 1 at 0xa7a8a4: file /home/derick/dev/php/php-src.git/Zend/zend_builtin_functions.c, line 570.
(gdb) *cont*
Continuing.
Breakpoints: 


zif_~funcname~
zim_~classname~_~funcname~