[root@rht9 linux-2.4.20]# objdump -S -d linux > linux_source.s
[root@rht9 linux-2.4.20]# vim linux_source.s	
	 472789 a00d7acc <to_phys>:
	 472790 a00d7acc:       55                      push   %ebp
	 472791 a00d7acd:       89 e5                   mov    %esp,%ebp
	 472792 a00d7acf:       8b 45 08                mov    0x8(%ebp),%eax
	 472793 a00d7ad2:       2b 05 e0 60 25 a0       sub    0xa02560e0,%eax
	 472794 a00d7ad8:       c9                      leave
	 472795 a00d7ad9:       c3                      ret
	 472796 a00d7ada:       89 f6                   mov    %esi,%esi
	 472797
	 472798 a00d7adc <init_maps>:
	 472799 a00d7adc:       55                      push   %ebp
	 472800 a00d7add:       89 e5                   mov    %esp,%ebp
	 472801 a00d7adf:       8b 45 08                mov    0x8(%ebp),%eax
	 472802 a00d7ae2:       c1 e8 0c                shr    $0xc,%eax
	 472803 a00d7ae5:       a3 e0 43 23 a0          mov    %eax,0xa02343e0
	 472804 a00d7aea:       31 c0                   xor    %eax,%eax
	 472805 a00d7aec:       c9                      leave
	 472806 a00d7aed:       c3                      ret
	 472807 a00d7aee:       89 f6                   mov    %esi,%esi
	 472808
	 472809 a00d7af0 <__virt_to_page>:
	 472810 a00d7af0:       55                      push   %ebp
	 472811 a00d7af1:       89 e5                   mov    %esp,%ebp
	 472812 a00d7af3:       8b 55 08                mov    0x8(%ebp),%edx
	 472813 a00d7af6:       2b 15 e0 60 25 a0       sub    0xa02560e0,%edx
	 472814 a00d7afc:       c1 ea 0c                shr    $0xc,%edx