]> git.ipfire.org Git - thirdparty/binutils-gdb.git/blob - gdb/testsuite/gdb.threads/step2.exp
Copyright updates for 2007.
[thirdparty/binutils-gdb.git] / gdb / testsuite / gdb.threads / step2.exp
1 # step2.exp -- Expect script to test gdb step.c
2 # Copyright (C) 1992, 1997, 2007 Free Software Foundation, Inc.
3
4 # This program is free software; you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 2 of the License, or
7 # (at your option) any later version.
8 #
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
13 #
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17
18 # Please email any bugs, comments, and/or additions to this file to:
19 # bug-gdb@prep.ai.mit.edu
20
21 # This file was written by Jeff Law. (law@cygnus.com)
22 #
23
24
25 if $tracelevel then {
26 strace $tracelevel
27 }
28
29 set program_exited 0
30
31 # A simple and crude test to see that we can step two threads independently
32 proc test_multi_threaded_stepping {} {
33 global gdb_prompt
34 global hex
35 global srcfile
36 global decimal
37
38 # Set breakpoints in code that we know is executed in only
39 # thread of control.
40 gdb_test "break thread1" \
41 "Break.* at $hex: file .*$srcfile, line $decimal\\."
42 gdb_test "break thread2" \
43 "Break.* at $hex: file .*$srcfile, line $decimal\\."
44
45 # the order in which things happen is indeterminate. So we basically
46 # look for a set of events and note that each one happens and that
47 # all of the required events have happened when we're done.
48 #
49 # Right now we only verify that both threads start and that they
50 # both call pthread_cond_wait twice.
51 set thread1started 0
52 set thread1condwait 0
53 set thread2started 0
54 set thread2condwait 0
55
56 send_gdb "run\n"
57 gdb_expect {
58 -re "The program .* has been started already.*y or n. $" {
59 send_gdb "y\n"
60 exp_continue
61 }
62 -re ".*Breakpoint \[0-9\]+,.*thread1.* at .*$srcfile:.*\[\t \].*$gdb_prompt $" {
63 if { $thread1started != 0 } then {
64 fail "thread1 started"
65 return
66 } else {
67 set thread1started 1
68 pass "thread1 started"
69 }
70 send_gdb "step\n"
71 exp_continue
72 }
73 -re ".*Breakpoint \[0-9\]+,.*thread2.* at .*$srcfile:.*\[\t \].*$gdb_prompt $" {
74 if { $thread2started != 0 } then {
75 fail "thread2 started"
76 return
77 } else {
78 set thread2started 1
79 pass "thread2 started"
80 }
81 send_gdb "step\n"
82 exp_continue
83 }
84 -re ".*pthread_cond_wait.*cv_a.*$gdb_prompt" {
85 if { $thread1started == 0 } then {
86 fail "thread1 condwait"
87 return
88 }
89 if { $thread1condwait < 2 } then {
90 pass "thread1 condwait"
91 incr thread1condwait
92 }
93 if { $thread2condwait == 2 } then {
94 pass "multi threaded stepping"
95 return
96 }
97 send_gdb "step\n"
98 exp_continue
99 }
100
101 -re ".*pthread_cond_wait.*cv_b.*$gdb_prompt" {
102 if { $thread2started == 0 } then {
103 fail "thread2 condwait"
104 return
105 }
106 if { $thread2condwait < 2 } then {
107 pass "thread2 condwait"
108 incr thread2condwait
109 }
110 if { $thread1condwait == 2 } then {
111 pass "multi threaded stepping"
112 return
113 }
114 send_gdb "step\n"
115 exp_continue
116 }
117
118 -re "$gdb_prompt" {
119 send_gdb "step\n"
120 exp_continue
121 }
122 default { fail "multi threaded stepping" }
123 }
124 }
125
126 # Check to see if we have an executable to test. If not, then either we
127 # haven't tried to compile one, or the compilation failed for some reason.
128 # In either case, just notify the user and skip the tests in this file.
129
130 set binfile "step"
131 set srcfile "step.c"
132
133 if ![file exists $objdir/$subdir/$binfile] then {
134 if $all_flag then {
135 warning "$binfile does not exist; tests suppressed."
136 }
137 return
138 }
139
140 set prms_id 0
141 set bug_id 0
142
143 # Start with a fresh gdb.
144
145 gdb_exit
146 gdb_start
147 gdb_reinitialize_dir $srcdir/$subdir
148 gdb_load $objdir/$subdir/$binfile
149
150 test_multi_threaded_stepping