头歌操作系统课后作业2.1

关卡2：

终端1

:cd ~/os/linux-0.11-lan

:~/os/linux-0.11-lab#./rungdb

终端2

:cp /data/workspace/myshixun/exp1/1.tgz ~/os

:cd ~/os/linux-0.11-lab

:~/os/linux-0.11-lab# tar -zxvf .. /1.tgz 1

:~/os/linux-0.11-lab#rm -rf cur

:~/os/linux-0.11-lab#ln -s 1 cur

:~/os/linux-0.11-lab#cd 1/linux

:~/os/linux-0.11-lab/1/linux#make

:~/os/linux-0.11-lab#cd ~/os/linux-0.11-lab

:~/os/linux-0.11-lab#./mygdb

(gdb)b do_timer

(gdb)c

(gdb)p jiffies

(gdb)bt

(gdb)finish

(gdb)disas

(gdb)si

(gdb)si

(gdb)disas

(gdb)b *0x77dd

(gdb)c

(gdb)disas

(gdb)si

(gdb)disas

(gdb)kill

提交：

关卡3

~/os/linux-0.11-lab#./rungdb

cd ~/os/linux-0.11-lab

~/os/linux-0.11-lab#./mygdb

(gdb)b do_timer

(gdb)c

(gdb)p jiffies

(gdb)c

(gdb)p jiffies

(gdb)c

(gdb)p jiffies

(gdb)c

(gdb)p jiffies

(gdb)c

(gdb)p jiffies

(gdb)c

(gdb)p jiffies

(gdb)bt

(gdb)finish

(gdb)disas

(gdb)si

(gdb)si

(gdb)disas

(gdb)b *0x77dd

(gdb)c

(gdb)disas

(gdb)si

(gdb)si

(gdb)disas

提交：