1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
# Copyright (C) 2007-2023 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# This file was written by Chris Demetriou (cgd@google.com).
# It tests printing of thread event (start, exit) information, and
# disabling of those messages.
#
# Note: the format of thread event messages (and also whether or not
# messages are printed and can be disabled) is dependent on the target
# thread support code.
# This test has only been verified with Linux targets, and would need
# to be generalized to support other targets
if {![istarget *-*-linux*]} {
return
}
# When using the RSP, we don't get notifications about new threads.
# This is expected, so don't test for that.
if {[target_info gdb_protocol] == "remote"
|| [target_info gdb_protocol] == "extended-remote"} {
return
}
standard_testfile
if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable debug] != "" } {
return -1
}
proc gdb_test_thread_start {messages_enabled command pattern message} {
global gdb_prompt
if { $messages_enabled } {
set events_expected 1
} else {
set events_expected 0
}
set events_seen 0
return [gdb_test_multiple $command $message {
-re "\\\[New Thread \[^\]\]*\\\]\r\n" {
incr events_seen
exp_continue
}
-re "\[\r\n\]*($pattern)\[\r\n\]+$gdb_prompt $" {
if { $events_seen != $events_expected } {
fail "$message (saw $events_seen, expected $events_expected)"
} else {
pass "$message"
}
}
}]
}
proc gdb_test_thread_exit {messages_enabled command pattern message} {
global gdb_prompt
if { $messages_enabled } {
set events_expected 1
} else {
set events_expected 0
}
set events_seen 0
return [gdb_test_multiple $command $message {
-re "\\\[Thread \[^\]\]* exited\\\]\r\n" {
incr events_seen
exp_continue
}
-re "\[\r\n\]*($pattern)\[\r\n\]+$gdb_prompt $" {
if { $events_seen != $events_expected } {
fail "$message (saw $events_seen, expected $events_expected)"
} else {
pass "$message"
}
}
}]
}
proc test_thread_messages {enabled} {
global srcdir subdir binfile srcfile
if { $enabled } {
set enabled_string "with messages enabled"
} else {
set enabled_string "with messages disabled"
}
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
if { $enabled } {
gdb_test "set print thread-events on"
} else {
gdb_test "set print thread-events off"
}
# The initial thread may log a 'New Thread' message, but we don't
# check for it.
if {![runto_main]} {
return 1
}
gdb_test "break threadfunc" \
"Breakpoint.*at.* file .*$srcfile, line.*" \
"breakpoint at threadfunc $enabled_string"
gdb_test "break after_join_func" \
"Breakpoint.*at.* file .*$srcfile, line.*" \
"breakpoint at after_join_func $enabled_string"
# continue to threadfunc breakpoint. A thread will start.
# Expect to see a thread start message, if messages are enabled.
gdb_test_thread_start $enabled "continue" \
".*Breakpoint .*,.*threadfunc.*at.*$srcfile:.*" \
"continue to threadfunc $enabled_string"
# continue to after_join_func breakpoint. A thread will exit.
# Expect to see a thread exit message, if messages are enabled.
gdb_test_thread_exit $enabled "continue" \
".*Breakpoint .*,.*after_join_func.*at.*$srcfile:.*" \
"continue to after_join_func $enabled_string"
delete_breakpoints
gdb_exit
}
test_thread_messages 0
test_thread_messages 1
|
