比較兩個mach-o文件

Question

我有兩個mach-o文件，我需要找到它們之間的差異（十六進制不同值）。有沒有任何工具可以做到這一點。

我試過使用「DiffMerge」，但它似乎沒有支持的編碼格式。

Answer 1

怎麼樣：

hexdump binary1 > dump1.txt 
hexdump binary2 > dump2.txt 
diff dump1.txt dump2.txt 

這會給你一個差異文件，您可以在hexfiend或任何你選擇的編輯器是進一步研究使用在第一行的偏移。

2c2 
< 0000010 21 00 00 00 bc 0f 00 00 85 00 20 00 01 00 00 00 
--- 
> 0000010 20 00 00 00 84 0f 00 00 85 00 20 00 01 00 00 00 
248,254c248,250 
< 0000f80 0c 00 00 00 38 00 00 00 18 00 00 00 02 00 00 00 
< 0000f90 00 00 01 00 00 00 01 00 40 65 78 65 63 75 74 61 
< 0000fa0 62 6c 65 5f 70 61 74 68 2f 69 6e 6a 65 63 74 2e 
< 0000fb0 64 79 6c 69 62 00 00 00 26 00 00 00 10 00 00 00 
< 0000fc0 58 76 18 00 a4 23 00 00 1d 00 00 00 10 00 00 00 
< 0000fd0 e0 09 19 00 60 37 00 00 00 00 00 00 00 00 00 00 
< 0000fe0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
--- 
> 0000f80 26 00 00 00 10 00 00 00 58 76 18 00 a4 23 00 00 
> 0000f90 1d 00 00 00 10 00 00 00 e0 09 19 00 60 37 00 00 
> 0000fa0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00