[mapping]
archive: libsoc.a
entries: 
    cpu_util (noflash_text)
    rtc_clk (noflash)
    rtc_clk_init (noflash_text)
    rtc_init (noflash_text)
    rtc_periph (noflash_text)
    rtc_pm (noflash_text)
    rtc_sleep (noflash_text)
    rtc_time (noflash_text)
    rtc_wdt (noflash_text)