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| 1 | +# This testcase is part of GDB, the GNU debugger. |
| 2 | +# |
| 3 | +# Copyright 2018 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 | + |
| 23 | +load_lib gdbserver-support.exp |
| 24 | + |
| 25 | +if { [skip_gdbserver_tests] } { |
| 26 | + verbose "skipping gdbserver tests" |
| 27 | + return -1 |
| 28 | +} |
| 29 | + |
| 30 | +standard_testfile |
| 31 | +if [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. |
| 37 | +gdb_test "disconnect" ".*" |
| 38 | + |
| 39 | +# Start GDBserver, with ";thread:NNN" in T stop replies disabled, |
| 40 | +# emulating old gdbservers when debugging single-threaded programs. |
| 41 | +set res [gdbserver_start "--disable-packet=Tthread" $binfile] |
| 42 | +set gdbserver_protocol [lindex $res 0] |
| 43 | +set gdbserver_gdbport [lindex $res 1] |
| 44 | + |
| 45 | +# Disable XML-based thread listing, and multi-process extensions. |
| 46 | +gdb_test_no_output "set remote threads-packet off" |
| 47 | +gdb_test_no_output "set remote multiprocess-feature-packet off" |
| 48 | + |
| 49 | +set res [gdb_target_cmd $gdbserver_protocol $gdbserver_gdbport] |
| 50 | +if ![gdb_assert {$res == 0} "connect"] { |
| 51 | + return |
| 52 | +} |
| 53 | + |
| 54 | +# There should be only one thread listed. |
| 55 | +set test "info threads" |
| 56 | +gdb_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 | + |
| 68 | +gdb_breakpoint "main" |
| 69 | + |
| 70 | +# Bad GDB behaved like this: |
| 71 | +# (gdb) c |
| 72 | +# Cannot execute this command without a live selected thread. |
| 73 | +# (gdb) |
| 74 | +gdb_test "c" "Breakpoint $decimal, main.*" "continue to main" |
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