分析汇编代码理解计算机如何工作

 1 g:
 2     pushl    %ebp
 3     movl    %esp, %ebp    
 4     movl    8(%ebp), %eax
 5     addl    $6, %eax
 6     popl    %ebp
 7     ret
 8 f:
 9     pushl    %ebp
10     movl    %esp, %ebp
11     subl    $4, %esp
12     movl    8(%ebp), %eax
13     movl    %eax, (%esp)
14     call    g
15     leave
16     ret
17 main:
18     pushl    %ebp
19     movl    %esp, %ebp
20     subl    $4, %esp
21     movl    $4, (%esp)
22     call    f
23     addl    $2, %eax
24     leave
25     ret