#0  0x000000000042d970 in ?? ()
No symbol table info available.
#1  0x000000000042ec0c in ?? ()
No symbol table info available.
#2  0x000000000041c0f5 in ?? ()
No symbol table info available.
#3  0x0000000000409c65 in ?? ()
No symbol table info available.
#4  0x00007f803b60fec5 in __libc_start_main (main=0x409920, argc=1, argv=0x7fff32c34208, init=<optimised out>, fini=<optimised out>, rtld_fini=<optimised out>, stack_end=0x7fff32c341f8) at libc-start.c:287
        result = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -8335931357091344257, 4240117, 140734045045248, 0, 0, 8335801300573212799, 8309322016008032383}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x438400, 0x7fff32c34208}, data = {prev = 0x0, cleanup = 0x0, canceltype = 4424704}}}
        not_first_call = <optimised out>
#5  0x000000000040b31e in ?? ()
No symbol table info available.