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# Copyright 2011-2021 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <>.
# This file is a dejagnu "board file" and is used to run the testsuite
# with a remotehost and gdbserver using stdio for communicating through
# ssh. Certain firewalls prevent gdbserver from using the usual mechanism of
# listening on a remote port, so use stdio via ssh instead.
# To use this file:
# bash$ cd ${build_dir}/gdb
# bash$ make check RUNTESTFLAGS="--target_board=remote-stdio-gdbserver \
# [REMOTE_TMPDIR=${remote_dir}] [GDBSERVER=${remote_gdbserver}]"
load_board_description "stdio-gdbserver-base"
# Test machine info. The generic_config gdbserver reads some of these
# values from board_info, so this file must set them there.
if [info exists REMOTE_USERNAME] {
set_board_info username $REMOTE_USERNAME
} else {
set_board_info username unspecified_username
if [info exists REMOTE_HOSTNAME] {
set_board_info hostname $REMOTE_HOSTNAME
} else {
set_board_info hostname unspecified_hostname
# The two programs have different syntax to set the remote port, so
# set it as part of the program name rather than in get_remote_login.
if [info exists REMOTE_PORTNUM] {
set_board_info portnum $REMOTE_PORTNUM
set_board_info rsh_prog "/usr/bin/ssh -p$REMOTE_PORTNUM"
set_board_info rcp_prog "/usr/bin/scp -P$REMOTE_PORTNUM"
} else {
set_board_info rsh_prog /usr/bin/ssh
set_board_info rcp_prog /usr/bin/scp
# Some remote machines don't have writable home directories.
if [info exists REMOTE_TMPDIR] {
set_board_info remotedir $REMOTE_TMPDIR
proc get_remote_login { } {
set result ""
if {[board_info [target_info name] exists username]} {
append result "[board_info [target_info name] username]@"
if {[board_info [target_info name] exists hostname]} {
append result "[board_info [target_info name] hostname]"
return $result
proc get_target_remote_pipe_cmd { } {
set target_exec [gdbserver_download_current_prog]
set rsh_cmd "[board_info [target_info name] rsh_prog] [get_remote_login]"
return "$rsh_cmd /usr/bin/gdbserver --once stdio $target_exec"
proc ${board}_file { dest op args } {
if { $op == "delete" } {
return [remote_exec target "rm -f $args"]
return [eval [list standard_file $dest $op] $args]