Linux single process, single thread debugging command

1. l//Display the source code of the file where the main function is located
2. list 文件名:num//Display the source code above and below the num line of the filename file
3. b 行号//Add a breakpoint to the specified line
4. b 函数名//Add a breakpoint to the first valid line of the pointer function
5. info break//Display breakpoint information
6. delete 断点号//Delete the specified breakpoint
7. disable 断点号//Set the breakpoint to invalid, without adding the breakpoint number, set all breakpoints to invalid
8. enable 断点号//Set the breakpoint as valid, without adding the breakpoint number, set all breakpoints as valid
9. r（run）//run the program
10. n（next）//single step execution
11. c （continue）//Continue to execute and execute directly to the next breakpoint
12. s//Enter the function to be called to execute
13. finish//Exit function
14. q//Exit debugging
15. p val// print the value of the variable val
16. p &val//Print the address of the variable val
17. p a+b// print the value of the expression
18. p arr（数组名）// print the value of all elements of the array
19. p *parr@len//Print the value of all elements of the array with a pointer to the array
20. display//Automatic display, the parameters are the same as the p command
21. info display//Display automatic display information
22. undisplay + 编号//Delete the specified automatic display
23. ptype val//display variable type
24. bt//Display function call stack