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Last active December 17, 2024 19:29
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gdb.md

how to debug with gdb

  1. cd /your-folder && chmod a+x ./your-binary
  2. gdb --args ./your-binary [args...]. Or gdb -tui --args ./your-binary [args...] for terminal UI.
  3. gdb -ex r --args ./your-binary [args...] to run it automatically.
  4. b function or b file:line or b class:function to set breakpoints
  5. r to run or restart execution
  6. s to step in execution
  7. n to step out execution
  8. c to continue execution
  9. bt to display backtrace (callstack)
  10. f number to switch backtrace frame. Also up and down to navigate.
  11. p symbol to print values. info locals to see a list.
  12. t number to switch thread. info threads to see a list.
  13. q to quit debugger

See also GDB tutorials

how to debug a coredump

  1. cd /your-folder && gdb your-binary your-coredump.file
  2. bt
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