(gdb) b *(0x00004000+0x0000b8e0)
Breakpoint 2 at 0xf8e0
(gdb) i b
Num Type Disp Enb Address What
1 breakpoint keep s 0x0000b8e0
2 breakpoint keep y 0x0000f8e0
(gdb) r
Starting program: /private/var/mobile/Containers/Bundle/Application/1FB940C5-CE67-4CBA-865C-D7D5611A59BC/BBM.app/BBM b
Program received signal SIGABRT, Aborted.
0x3669adfc in ?? ()