rnicholl@rpnx-lt-04 testos % nm -x ./build/rpnx-kernel.elf
00000000000803bc T _Z9uart_getcv
000000000008011c T _Z9uart_initi
0000000000080374 T _Z9uart_putch
00000000000803f4 T _Z9uart_putsPKc
0000000000080304 t _ZL10mmio_writejj
0000000000080330 t _ZL5delayi
0000000000082000 b _ZL9MMIO_BASE
000000000008029c t _ZL9mmio_initi
0000000000080350 t _ZL9mmio_readj
0000000000083000 B __bss_end
0000000000001000 A __bss_size
0000000000082000 D __bss_start
0000000000082000 D __data_end
0000000000081000 T __data_start
000000000008033c t __delay_0
0000000000083000 B __end
0000000000081000 T __rodata_end
0000000000081000 T __rodata_start
0000000000080000 R __start
0000000000081000 T __text_end
0000000000080000 R __text_start
00000000000800d8 T _start
0000000000082000 B bss
00000000000800fc t halt
0000000000080450 T kernel_main
0000000000081000 D mbox