Use of GDB Debugging tools in Ubuntu

First there is a. C code

1. Can debug GCC compile: gcc-g-o xxx xxx.c

2. Start GDB Debugging

GDB XXX

3. Set a breakpoint at the main function

Break Main

4. Running the program

Run

5. Other Debug commands

List (l) View program

Break (b) Function name: Add a breakpoint at the entrance of a function

Break line number: Add a breakpoint on the specified line

Break file name: line number adds a breakpoint on the specified line of the specified file

Info Break View all set breakpoints

Delete Breakpoint number Remove breakpoint with breakpoint number

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Next (N): Single-step program (but not sub-function)

Step (s): Single-Step Program (enter sub-function)

Continue (c): Continue to run the program

Print (p) Variable name: View the value of the specified variable

Set Var=value: Sets the value of a variable

Quit (q): Exit GDB

Use of GDB Debugging tools in Ubuntu