1.gcc -g gbd.c -o my_debug -lpthread 2.list [行号] 3.info b 4.r 5.delete [断点号] 6.n 7.p [变量名] 8.bt 9.thread apply all bt,thread apply [编号…] [命令] 10.info threads,thread+线程编号 11.set scheduler-locking on 11. c 12.finish 13.q 二、GDB调试多进程 1.show f...
Thread #4158248704 working on 1 this is main [Thread 0x7ffff7d9d700 (LWP 6007) exited] [Inferior 1 (process 6003) exited normally] (gdb) i threads No threads. (gdb) 使用“$_thread”变量 int a = 0; void *task1(void *arg){ while(1){ printf("Thread #%u working on %d, a =...
‘thread apply [threadno] [all] args’,a command to apply a command to a list of threads thread-specific breakpoints ‘set print thread-events’, which controls printing of messages on thread start and exit. ‘set libthread-db-search-path path’, which lets the user specify which libthrea...
/** * @FileName gdb_pthread.c * @Describe A simple example for the debug of multiprocess and multithreading using gdb in linux system. * @Author vfhky 2016-02-25 22:48https://typecodes.com/cseries/multilprocessthreadgdb.html* @Compile gcc gdb_pthread.c -g -o gdb_pthread * @Referen...
debug 主线程 首先,可以是用info threads,查看当前的线程 (gdb)infothreads Id Target Id Frame*1Thread0x7fb92365b700(LWP9409)"nose2"0x00007fb923247827infutex_abstimed_wait_cancelable (private=0, abstime=0x0, expected=0, futex_word=0x152af60) ...
(gdb) info inferiors###显示正在调试的进程Num Description Executable2process23873/home/vfhky/bin/gdb_pthread###fork创建的子进程23873*1<null>/home/vfhky/bin/gdb_pthread###fork创建的父进程23869已经退出(gdb) info threads###显示正在运行的线程:只存在子进程23873,父进程23869已经退出Id Target Id Fr...
The program being debugged has been started already. Start it from the beginning? (y or n) y Starting program: /data/redis-5.0.3/src/redis-server [Thread debugging using libthread_db enabled] 退出GDB,会提示用户要关闭当前调试进程,是否继续退出: ...
使用GDB在安卓、Nucleus以及Linux系统下实现多核调试
单步跟踪,如果有函数调用,他会进入该函数。进入函数的前提是,此函数被编译有debug 信息。很像VC等工具中的step in。后面可以加count也可以不加,不加表示一条条地执行, 加表示执行后面的count条指令,然后再停住。 next 同样单步跟踪,如果有函数调用,他不会进入该函数。很像VC等工具中的step over。后面 ...
show debug libthread-db 显示或不显示libthread_db相关的事件,1=enable,0=disable。 调试Forks 在大多数系统上,GDB对使用fork产生子进程的程序调试没有特殊的支持。当一个程序fork时,GDB仍继续调试父进程,子进程的运行没有任何影响。 如果在子进程将要执行的代码上设置了断点,则子进程会收到SIGTRAP信号并停止(除...