Useful gdb commands

1. gdb main //start debug
2. run //run target
3. backtrace //show the calling stack at the point of fault
4. x 0xbff972e0 // examine the value in memory
5. break 52 or break LinkedList::remove //set break
6. condition 1 item_to_remove==1 //set conditional break
7. s //step
8. c //continue
9. quit //quit
   

To make qmake generated debug info, a line need to add into *.pro file

>CONFIG = qt opengl debug

• basic tutorial