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jeremybenn |
# Copyright (C) 2007, 2009, 2010 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see .
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# This file was written by Chris Demetriou (cgd@google.com).
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# It tests printing of thread event (start, exit) information, and
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# disabling of those messages.
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#
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# Note: the format of thread event messages (and also whether or not
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# messages are printed and can be disabled) is dependent on the target
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# thread support code.
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# This test has only been verified with Linux targets, and would need
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# to be generalized to support other targets
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if ![istarget *-*-linux*] then {
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return
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}
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# When using gdbserver, even on Linux, we don't get notifications
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# about new threads. This is expected, so don't test for that.
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if [is_remote target] then {
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return
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}
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if $tracelevel then {
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strace $tracelevel
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}
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set prms_id 0
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set bug_id 0
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set testfile "thread_events"
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set srcfile ${testfile}.c
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set binfile ${objdir}/${subdir}/${testfile}
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if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug "incdir=${objdir}"]] != "" } {
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return -1
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}
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proc gdb_test_thread_start {messages_enabled command pattern message} {
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global gdb_prompt
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if { $messages_enabled } {
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set events_expected 1
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} else {
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set events_expected 0
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}
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set events_seen 0
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return [gdb_test_multiple $command $message {
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-re "\\\[New Thread \[^\]\]*\\\]\r\n" {
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incr events_seen;
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exp_continue;
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}
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-re "\[\r\n\]*($pattern)\[\r\n\]+$gdb_prompt $" {
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if { $events_seen != $events_expected } {
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fail "$message (saw $events_seen, expected $events_expected)"
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} else {
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pass "$message"
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}
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}
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}]
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}
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proc gdb_test_thread_exit {messages_enabled command pattern message} {
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global gdb_prompt
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if { $messages_enabled } {
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set events_expected 1
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} else {
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set events_expected 0
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}
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set events_seen 0
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return [gdb_test_multiple $command $message {
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-re "\\\[Thread \[^\]\]* exited\\\]\r\n" {
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incr events_seen
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exp_continue;
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}
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-re "\[\r\n\]*($pattern)\[\r\n\]+$gdb_prompt $" {
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if { $events_seen != $events_expected } {
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fail "$message (saw $events_seen, expected $events_expected)"
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} else {
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pass "$message"
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}
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}
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}]
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}
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proc test_thread_messages {enabled} {
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global srcdir subdir binfile srcfile
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if { $enabled } {
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set enabled_string "with messages enabled"
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} else {
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set enabled_string "with messages disabled"
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}
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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if { $enabled } {
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gdb_test "set print thread-events on"
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} else {
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gdb_test "set print thread-events off"
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}
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# The initial thread may log a 'New Thread' message, but we don't
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# check for it.
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if ![runto_main] then {
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fail "Can't run to main $enabled_string"
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return 1
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}
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gdb_test "break threadfunc" \
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"Breakpoint.*at.* file .*$srcfile, line.*" \
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"breakpoint at threadfunc $enabled_string"
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gdb_test "break after_join_func" \
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"Breakpoint.*at.* file .*$srcfile, line.*" \
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"breakpoint at after_join_func $enabled_string"
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# continue to threadfunc breakpoint. A thread will start.
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# Expect to see a thread start message, if messages are enabled.
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gdb_test_thread_start $enabled "continue" \
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".*Breakpoint .*,.*threadfunc.*at.*$srcfile:.*" \
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"continue to threadfunc $enabled_string"
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# continue to after_join_func breakpoint. A thread will exit.
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# Expect to see a thread exit message, if messages are enabled.
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gdb_test_thread_exit $enabled "continue" \
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".*Breakpoint .*,.*after_join_func.*at.*$srcfile:.*" \
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"continue to after_join_func $enabled_string"
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delete_breakpoints
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gdb_exit
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}
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test_thread_messages 0
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test_thread_messages 1
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