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ashelly/gdb_tricks.md

Last active July 19, 2023 18:44
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gdb debugging setup
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gdb_tricks.md

redirect output to another terminal

  • In target terminal type tty
  • copy the result (should be something like /dev/pts/0
  • in gdb window type tty <pasted-result>

tui mode

  • enable
    tui enable

  • show command and source window
    layout src

  • show command, src, and asm window
    layout split

  • switch active scroll window
    focus cmd
    focus src
    C-x o

threading

  • Prevent other threads from running when single-stepping
    set scheduler-locking step

forking

  • Folow into children set follow-fork-mode child

  • Follow parent set follow-fork-mode parent

  • Don't detach from unfollowed (suspend it) set detach-on-fork off

    • see other forks info inferiors
    • release other forks to run detactch inferiors
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