首先,你的程序在经由gcc/g++编译的时候,要带上-g选项。比如:g++ test.cpp -g -o test
然后,执行:gdb test
进入gdb界面之后,输入start并回车,则调试开始。(如果被调试的程序需要参数,则在start后面带参数)
以下是常用命令:
help: display help. you can use 'help data', 'help running' for more help
start: start running and suspend
run: start running
n: next
s: step into
c: continue
b: set breakpoint
cl: clear breakpoint
info breakpoints: list all breakpoints
p: print value
disp: keep watch on value
undisp: no longer keep watch on value
where: show stach trace
thread: switch thread
ctrl+c: suspend debug running
list: display source code
ctrl+x再ctrl+a: 在classic和layout两种方式之间切换gdb的显示方式。(layout方式的gdb很有用,但是layout方式的gdb有bug,你会用到这种快速切换的)
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