1# This testcase is part of GDB, the GNU debugger. 2 3# Copyright 2021-2023 Free Software Foundation, Inc. 4 5# This program is free software; you can redistribute it and/or modify 6# it under the terms of the GNU General Public License as published by 7# the Free Software Foundation; either version 3 of the License, or 8# (at your option) any later version. 9# 10# This program is distributed in the hope that it will be useful, 11# but WITHOUT ANY WARRANTY; without even the implied warranty of 12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13# GNU General Public License for more details. 14# 15# You should have received a copy of the GNU General Public License 16# along with this program. If not, see <http://www.gnu.org/licenses/>. 17 18# Test attaching to a multi-threaded process using gdbserver's --attach flag. 19 20load_lib gdbserver-support.exp 21 22standard_testfile 23 24if { [skip_gdbserver_tests] } { 25 return 0 26} 27 28if {![can_spawn_for_attach]} { 29 return 0 30} 31 32# Start the test program, attach to it using gdbserver's --attach flag, connect 33# to it with GDB, check that what we see makes sense. 34 35proc run_one_test { non-stop target-non-stop } { 36 save_vars { ::GDBFLAGS } { 37 # If GDB and GDBserver are both running locally, set the sysroot to avoid 38 # reading files via the remote protocol. 39 if { ![is_remote host] && ![is_remote target] } { 40 set ::GDBFLAGS "$::GDBFLAGS -ex \"set sysroot\"" 41 } 42 43 if { [prepare_for_testing "failed to prepare" $::testfile $::srcfile \ 44 {debug pthreads}] } { 45 return -1 46 } 47 } 48 49 # Make sure we're disconnected, in case we're testing with an 50 # extended-remote board, therefore already connected. 51 gdb_test "disconnect" ".*" 52 53 set target_exec [gdbserver_download_current_prog] 54 set test_spawn_id [spawn_wait_for_attach $::binfile] 55 set testpid [spawn_id_get_pid $test_spawn_id] 56 57 lassign [gdbserver_start "" "--attach $testpid"] unused gdbserver_address 58 59 gdb_test_no_output "set non-stop ${non-stop}" 60 gdb_test_no_output "maint set target-non-stop ${target-non-stop}" 61 gdb_target_cmd "remote" $gdbserver_address 62 63 # There should be 11 threads. 64 gdb_test "thread 11" "Switching to thread 11.*" 65 66 kill_wait_spawned_process $test_spawn_id 67 gdbserver_exit 0 68} 69 70foreach_with_prefix non-stop {0 1} { 71 foreach_with_prefix target-non-stop {0 1} { 72 # This combination does not make sense. 73 if { ${non-stop} == 1 && ${target-non-stop} == 0} { 74 continue 75 } 76 77 run_one_test ${non-stop} ${target-non-stop} 78 } 79} 80