1# This testcase is part of GDB, the GNU debugger. 2# 3# Copyright 2018-2019 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 backward compatibility with older GDBservers which did not 19# include ";thread:NNN" in T stop replies when debugging 20# single-threaded programs, even though they'd list the main thread in 21# response to qfThreadInfo/qsThreadInfo. See PR remote/22597. 22 23load_lib gdbserver-support.exp 24 25if { [skip_gdbserver_tests] } { 26 verbose "skipping gdbserver tests" 27 return -1 28} 29 30standard_testfile 31if [prepare_for_testing "failed to prepare" $testfile $srcfile] { 32 return -1 33} 34 35# Make sure we're disconnected, in case we're testing with an 36# extended-remote board, therefore already connected. 37gdb_test "disconnect" ".*" 38 39# Start GDBserver, with ";thread:NNN" in T stop replies disabled, 40# emulating old gdbservers when debugging single-threaded programs. 41set res [gdbserver_start "--disable-packet=Tthread" $binfile] 42set gdbserver_protocol [lindex $res 0] 43set gdbserver_gdbport [lindex $res 1] 44 45# Disable XML-based thread listing, and multi-process extensions. 46gdb_test_no_output "set remote threads-packet off" 47gdb_test_no_output "set remote multiprocess-feature-packet off" 48 49set res [gdb_target_cmd $gdbserver_protocol $gdbserver_gdbport] 50if ![gdb_assert {$res == 0} "connect"] { 51 return 52} 53 54# There should be only one thread listed. 55set test "info threads" 56gdb_test_multiple $test $test { 57 -re "2 Thread.*$gdb_prompt $" { 58 fail $test 59 } 60 -re "has terminated.*$gdb_prompt $" { 61 fail $test 62 } 63 -re "\\\* 1\[\t \]*Thread\[^\r\n\]*\r\n$gdb_prompt $" { 64 pass $test 65 } 66} 67 68gdb_breakpoint "main" 69 70# Bad GDB behaved like this: 71# (gdb) c 72# Cannot execute this command without a live selected thread. 73# (gdb) 74gdb_test "c" "Breakpoint $decimal, main.*" "continue to main" 75