(gdb)run后提示no debugging symbols found,

ballball2

1.gcc -o greeting greeting.c
2.gdb greeting
3.(gdb)run
(gdb)run后提示no debugging symbols found, 这个问题是什么意思?怎么解决问题?
然后输入list后,提示:No symbol table is loaded.  Use the "file" command.
怎么解决?

nait

编译时加-g参数

p.s.
man gcc
google

ballball2

thank you!