1# Copyright (C) 2007-2016 Free Software Foundation, Inc. 2 3# This program is free software; you can redistribute it and/or modify 4# it under the terms of the GNU General Public License as published by 5# the Free Software Foundation; either version 3 of the License, or 6# (at your option) any later version. 7# 8# This program is distributed in the hope that it will be useful, 9# but WITHOUT ANY WARRANTY; without even the implied warranty of 10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11# GNU General Public License for more details. 12# 13# You should have received a copy of the GNU General Public License 14# along with this program. If not, see <http://www.gnu.org/licenses/>. 15 16# This file was written by Chris Demetriou (cgd@google.com). 17# It tests printing of thread event (start, exit) information, and 18# disabling of those messages. 19# 20# Note: the format of thread event messages (and also whether or not 21# messages are printed and can be disabled) is dependent on the target 22# thread support code. 23 24# This test has only been verified with Linux targets, and would need 25# to be generalized to support other targets 26if ![istarget *-*-linux*] then { 27 return 28} 29 30# When using gdbserver, even on Linux, we don't get notifications 31# about new threads. This is expected, so don't test for that. 32if [is_remote target] then { 33 return 34} 35 36 37standard_testfile 38 39if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable debug] != "" } { 40 return -1 41} 42 43proc gdb_test_thread_start {messages_enabled command pattern message} { 44 global gdb_prompt 45 46 if { $messages_enabled } { 47 set events_expected 1 48 } else { 49 set events_expected 0 50 } 51 set events_seen 0 52 53 return [gdb_test_multiple $command $message { 54 -re "\\\[New Thread \[^\]\]*\\\]\r\n" { 55 incr events_seen 56 exp_continue 57 } 58 -re "\[\r\n\]*($pattern)\[\r\n\]+$gdb_prompt $" { 59 if { $events_seen != $events_expected } { 60 fail "$message (saw $events_seen, expected $events_expected)" 61 } else { 62 pass "$message" 63 } 64 } 65 }] 66} 67 68proc gdb_test_thread_exit {messages_enabled command pattern message} { 69 global gdb_prompt 70 71 if { $messages_enabled } { 72 set events_expected 1 73 } else { 74 set events_expected 0 75 } 76 set events_seen 0 77 78 return [gdb_test_multiple $command $message { 79 -re "\\\[Thread \[^\]\]* exited\\\]\r\n" { 80 incr events_seen 81 exp_continue 82 } 83 -re "\[\r\n\]*($pattern)\[\r\n\]+$gdb_prompt $" { 84 if { $events_seen != $events_expected } { 85 fail "$message (saw $events_seen, expected $events_expected)" 86 } else { 87 pass "$message" 88 } 89 } 90 }] 91} 92 93proc test_thread_messages {enabled} { 94 global srcdir subdir binfile srcfile 95 96 if { $enabled } { 97 set enabled_string "with messages enabled" 98 } else { 99 set enabled_string "with messages disabled" 100 } 101 102 gdb_start 103 gdb_reinitialize_dir $srcdir/$subdir 104 gdb_load ${binfile} 105 106 if { $enabled } { 107 gdb_test "set print thread-events on" 108 } else { 109 gdb_test "set print thread-events off" 110 } 111 112 # The initial thread may log a 'New Thread' message, but we don't 113 # check for it. 114 if ![runto_main] then { 115 fail "Can't run to main $enabled_string" 116 return 1 117 } 118 119 gdb_test "break threadfunc" \ 120 "Breakpoint.*at.* file .*$srcfile, line.*" \ 121 "breakpoint at threadfunc $enabled_string" 122 gdb_test "break after_join_func" \ 123 "Breakpoint.*at.* file .*$srcfile, line.*" \ 124 "breakpoint at after_join_func $enabled_string" 125 126 # continue to threadfunc breakpoint. A thread will start. 127 # Expect to see a thread start message, if messages are enabled. 128 gdb_test_thread_start $enabled "continue" \ 129 ".*Breakpoint .*,.*threadfunc.*at.*$srcfile:.*" \ 130 "continue to threadfunc $enabled_string" 131 132 # continue to after_join_func breakpoint. A thread will exit. 133 # Expect to see a thread exit message, if messages are enabled. 134 gdb_test_thread_exit $enabled "continue" \ 135 ".*Breakpoint .*,.*after_join_func.*at.*$srcfile:.*" \ 136 "continue to after_join_func $enabled_string" 137 138 delete_breakpoints 139 140 gdb_exit 141} 142 143test_thread_messages 0 144test_thread_messages 1 145