gdb script to set a breakpoint in the entry-point, works with PIE, non-PIE, and stripped binaries

start-ep.py

import gdb
import re

class entryPoint(gdb.Command):
    def __init__(self):
        super(entryPoint, self).__init__("start-ep", gdb.COMMAND_BREAKPOINTS)

    def invoke(self, arg, from_tty):
        output = gdb.execute('starti '+arg, False, True)

        ep = self.get_entry_point()

        if ep and ep != self.current_ip():
            gdb.Breakpoint("*{}".format(hex(ep)), gdb.BP_BREAKPOINT, 0, True, True)
            gdb.execute('c')
        else:
            print(output)

    def get_entry_point(self):
        auxv = gdb.execute('info auxv', False, True)
        ep = 0

        try:
            ep = int(re.findall(r'.*AT_ENTRY.*0x(\w+)', auxv)[0], 16)
        except:
            pass

        return ep

    def current_ip(self):
        ip = gdb.parse_and_eval("$pc")
        return int(ip.cast(gdb.lookup_type('long')))

entryPoint()