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# This testcase is part of GDB, the GNU debugger.
# Copyright 2021-2024 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
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# 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 <http://www.gnu.org/licenses/>.
# Test attaching to a multi-threaded process using gdbserver's --attach flag.
load_lib gdbserver-support.exp
standard_testfile
require allow_gdbserver_tests
require can_spawn_for_attach
# Start the test program, attach to it using gdbserver's --attach flag, connect
# to it with GDB, check that what we see makes sense.
proc run_one_test { non-stop target-non-stop } {
save_vars { ::GDBFLAGS } {
# If GDB and GDBserver are both running locally, set the sysroot to avoid
# reading files via the remote protocol.
if { ![is_remote host] && ![is_remote target] } {
set ::GDBFLAGS "$::GDBFLAGS -ex \"set sysroot\""
}
if { [prepare_for_testing "failed to prepare" $::testfile $::srcfile \
{debug pthreads additional_flags=-std=gnu99}] } {
return -1
}
}
# Make sure we're disconnected, in case we're testing with an
# extended-remote board, therefore already connected.
gdb_test "disconnect" ".*"
set target_exec [gdbserver_download_current_prog]
set test_spawn_id [spawn_wait_for_attach $::binfile]
set testpid [spawn_id_get_pid $test_spawn_id]
lassign [gdbserver_start "" "--attach $testpid"] unused gdbserver_address
gdb_test_no_output "set non-stop ${non-stop}"
gdb_test_no_output "maint set target-non-stop ${target-non-stop}"
gdb_target_cmd "remote" $gdbserver_address
# There should be 11 threads.
gdb_test "thread 11" "Switching to thread 11.*"
kill_wait_spawned_process $test_spawn_id
gdbserver_exit 0
}
foreach_with_prefix non-stop {0 1} {
foreach_with_prefix target-non-stop {0 1} {
# This combination does not make sense.
if { ${non-stop} == 1 && ${target-non-stop} == 0} {
continue
}
run_one_test ${non-stop} ${target-non-stop}
}
}
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