no-unwind.py

from gdb.unwinder import Unwinder

class FrameID:
    def __init__(self, sp, pc):
        self.sp = sp
        self.pc = pc

class no_unwinder(Unwinder):
    def __init__(self):
        super().__init__("no_unwinder")

    def __call__(self, pending_frame):
        sp = pending_frame.read_register("sp")
        pc = pending_frame.read_register("pc")
        frame_id = FrameID(sp, pc)

        info = pending_frame.create_unwind_info(frame_id)
        return info

gdb.unwinder.register_unwinder(None, no_unwinder(), replace=True)