Debugging with GDB (7) Running Programs Under gdb

1. 编译 加 -g
2. 启动run
或者start
The `start' command does the equivalent of setting a temporary breakpoint at the beginning of the main procedure and then invoking the `run' command.
gdb ./main
(gdb) start
3. 可以使用wrapper
4. set args
show args
5. 当前工作目录
cd directory
    Set the gdb working directory to directory.
pwd
    Print the gdb working directory.
info proc
    to find out the current working directory of the debuggee
6. gdb输入输出重定向