% uname -sr
FreeBSD 5.1-CURRENT
% objdump -m i8086 -b binary -D /boot/boot0

/boot/boot0: file format binary

objdump: /boot/boot0: no symbols
Disassembly of section .data:

00000000 <.data>:
0: fc cld
1: 31 c0 xor %ax,%ax
3: 8e c0 mov %ax,%es
5: 8e d8 mov %ax,%ds
7: 8e d0 mov %ax,%ss
9: bc 00 7c mov $0x7c00,%sp
(...以下略)