INNER CODE UNIT · Python

handle_new_rx_page

zeshuaro/appainter · ios/Flutter/ephemeral/flutter_lldb_helper.py:7

def handle_new_rx_page(frame: lldb.SBFrame, bp_loc, extra_args, intern_dict):
    """Intercept NOTIFY_DEBUGGER_ABOUT_RX_PAGES and touch the pages."""
    base = frame.register["x0"].GetValueAsAddress()
    page_len = frame.register["x1"].GetValueAsUnsigned()

    # Note: NOTIFY_DEBUGGER_ABOUT_RX_PAGES will check contents of the
    # first page to see if handled it correctly. This makes diagnosing
    # misconfiguration (e.g. missing breakpoint) easier.
    data = bytearray(page_len)
    data[0:8] = b'IHELPED!'

    error = lldb.SBError()
    frame.GetThread().GetProcess().WriteMemory(base, data, error)
    if not error.Success():
        print(f'Failed to write into {base}[+{page_len}]', error)
        return

def __lldb_init_module(debugger: lldb.SBDebugger, _):

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