swap变量交换
作者:互联网
(lldb) po a
0x00007ffeefbff60c
(lldb) po b
0x00007ffeefbff608
(lldb) p a
(int *) $2 = 0x00007ffeefbff60c
(lldb) bt
* thread #1, queue = 'com.apple.main-thread', stop reason = step over
* frame #0: 0x0000000100000f3a 1`swap(a=0x00007ffeefbff60c, b=0x00007ffeefbff608) at main.cpp:8
frame #1: 0x0000000100000f63 1`main at main.cpp:13
frame #2: 0x00007fff7018d015 libdyld.dylib`start + 1
(lldb) p b
(int *) $3 = 0x00007ffeefbff608
(lldb) p t
(int) $4 = 3
(lldb) p *a
(int) $5 = 4
(lldb) p *b
(int) $6 = 3
(lldb) up
frame #1: 0x0000000100000f63 1`main at main.cpp:13
10 {
11 int a,b;
12 a = 3, b = 4;
-> 13 [4ms[0mwap(&a,&b);
14 printf("%d %d\n",a,b);
15 }
(lldb) p a
(int) $7 = 4
(lldb) p b
(int) $8 = 3
(lldb) p &a
(int *) $9 = 0x00007ffeefbff60c
(lldb) p &b
(int *) $10 = 0x00007ffeefbff608
(lldb) q
Program ended with exit code: 9
标签:变量,int,0x00007ffeefbff60c,frame,交换,lldb,swap,0x00007ffeefbff608,main 来源: https://www.cnblogs.com/longxue1991/p/12553134.html