GDBSERVER(1) GNU Development Tools GDBSERVER(1) (NAME) gdbserver - (GDB) (SYNOPSIS) gdbserver comm prog [args...] gdbserver --attach comm pid gdbserver --multi comm (DESCRIPTION) gdbserver GDB . ( / ): . strip ( ) gdbserver (symbols) . GDB . gdbserver . : () GDB () () . : target> gdbserver [ ...] : target> gdbserver /dev/com1 emacs foo.txt gdbserver emacs foo.txt /dev/com1 GDB . gdbserver GDB . TCP : target> gdbserver host:2345 emacs foo.txt TCP "host" GDB . "host:2345" TCP "host" TCP . ( "host" .) TCP . "target remote" GDB . gdbserver . gdbserver (attach). --attach . : target> gdbserver --attach pid . gdbserver . "gdbserver" --multi . "target extended-remote" . target> gdbserver --multi ( ): (unstripped) GDB . GDB . ( --baud .) "gdb TARGET-PROG" "gdb --baud BAUD TARGET-PROG". "target remote" ( "target extended-remote") . ( /dev/ttyb) "HOST:PORT". : (gdb) target remote /dev/ttyb /dev/ttyb : (gdb) target remote the-target:2345 TCP `the-target' gdbserver . TCP 'target remote' gdbserver `Connection refused' . gdbserver (inferiors) GDB "Inferiors Connections and Programs" -- "info -f gdb -n 'Inferiors Connections and Programs'". "extended-remote" : (gdb) target extended-remote the-target:2345 --multi gdbserver . (OPTIONS) gdbserver : o : gdbserver [...] comm GDB ( ) TCP (":1234") "-" "stdio" stdin/stdout "gdbserver". prog . . GDB "gdbserver" . o : gdbserver --attach comm . pid GDB . pid GDB "gdbserver" . o -- /: gdbserver --multi GDB gdbserver () . GDB . : --help . --version gdbserver . --attach gdbserver . : target> gdbserver --attach pid . . --multi "gdbserver" . "target extended-remote" . : target> gdbserver --multi --debug[=option1,option2,...] "gdbserver" . "gdbserver" . option . all threads event- loop remote. all . "-" : target> gdbserver --debug=all,-event-loop event-loop. --debug --debug=threads . --debug-file=filename "gdbserver" filename . "gdbserver" . --debug-format=option1[,option2,...] "gdbserver" . --wrapper (wrapper) . "--" . --once gdbserver TCP . "gdbserver" --once GDB . (ENVIRONMENT) (SEE ALSO) GDB Texinfo . "info" "gdb" Texinfo info gdb . Using GDB: A Guide to the GNU Source-Level Debugger, Richard M. Stallman and Roland H. Pesch, July 1991. (COPYRIGHT) Copyright (c) 1988-2025 Free Software Foundation, Inc. / (GNU FDL) . . gdb-17.2 2026-05-10 GDBSERVER(1)