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Debugging in the Command Line with dbx


Quick Reference

  • debug program_name -- To load a process image

  • attach program_name pid|core -- To attach a running process or load a core file

  • stop at source_file:line_number -- To stop at a given line

  • stop in function_name -- To stop when entering a given function

  • status -- To show the list of breakpoints

  • delete id -- To delete a given breakpoint

  • print variable -- To inspect a variable

  • where -- To view the call stack

  • frame id, up, down-- To move the debugger’s context through the call stack

  • next -- To step over next line of source code

  • step -- To step into the next line of source code in the called functions

  • step up-- To step out to the calling function

  • threads -- To show the list of the running threads

  • thread id -- To switch the debugger’s context to a given thread

  • syncs -- To show the list of locks

  • cont -- To continue execution of the program after it has been stopped

  • list -- Show the next lines of source code


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