Sean Wei says to YSITD(gdb) disas main Dump of assembler code for function main: 0x0000000000400776 <+0>: push %rbp 0x0000000000400777 <+1>: mov %rsp,%rbp 0x000000000040077a <+4>: sub $0x10,%rsp 0x000000000040077e <+8>: movl $0x2253,-0x4(%rbp) ; 0x2253 = 0d8787, 我設定的變數 0x0000000000400785 <+15>: cmpl $0x0,-0x4(%rbp) ; 跟 0 比較 0x0000000000400789 <+19>: je 0x4007a1 <main+43> ; 如果不一樣 (非零) 就轉跳at Mon, Nov 13, 2017 9:58 PM