2011-11-12 34 views
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我用objdump -d a.out得到以下。我最初假定第一列(例如080482b4)是字節偏移量,但後來我發現該文件只有7190字節長!第一列數字在objdump輸出中意味着什麼?

a.out:  file format elf32-i386 


Disassembly of section .init: 

080482b4 <_init>: 
80482b4: 53      push %ebx 
80482b5: 83 ec 08    sub $0x8,%esp 
80482b8: e8 00 00 00 00   call 80482bd <_init+0x9> 
80482bd: 5b      pop %ebx 
80482be: 81 c3 37 1d 00 00  add $0x1d37,%ebx 
80482c4: 8b 83 fc ff ff ff  mov -0x4(%ebx),%eax 
80482ca: 85 c0     test %eax,%eax 
80482cc: 74 05     je  80482d3 <_init+0x1f> 
80482ce: e8 3d 00 00 00   call 8048310 <[email protected]> 
80482d3: e8 e8 00 00 00   call 80483c0 <frame_dummy> 
80482d8: e8 b3 01 00 00   call 8048490 <__do_global_ctors_aux> 
80482dd: 83 c4 08    add $0x8,%esp 
80482e0: 5b      pop %ebx 
80482e1: c3      ret  

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