Commit | Line | Data |
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c906108c | 1 | # step2.exp -- Expect script to test gdb step.c |
7b6bb8da | 2 | # Copyright (C) 1992, 1997, 2007, 2008, 2009, 2010, 2011 |
4c38e0a4 | 3 | # Free Software Foundation, Inc. |
c906108c SS |
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 | |
e22f8b7c | 7 | # the Free Software Foundation; either version 3 of the License, or |
c906108c | 8 | # (at your option) any later version. |
e22f8b7c | 9 | # |
c906108c SS |
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. | |
e22f8b7c | 14 | # |
c906108c | 15 | # You should have received a copy of the GNU General Public License |
e22f8b7c | 16 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
c906108c | 17 | |
c906108c SS |
18 | # This file was written by Jeff Law. (law@cygnus.com) |
19 | # | |
20 | ||
21 | ||
22 | if $tracelevel then { | |
23 | strace $tracelevel | |
24 | } | |
25 | ||
26 | set program_exited 0 | |
27 | ||
28 | # A simple and crude test to see that we can step two threads independently | |
29 | proc test_multi_threaded_stepping {} { | |
30 | global gdb_prompt | |
31 | global hex | |
32 | global srcfile | |
33 | global decimal | |
34 | ||
35 | # Set breakpoints in code that we know is executed in only | |
36 | # thread of control. | |
37 | gdb_test "break thread1" \ | |
38 | "Break.* at $hex: file .*$srcfile, line $decimal\\." | |
39 | gdb_test "break thread2" \ | |
40 | "Break.* at $hex: file .*$srcfile, line $decimal\\." | |
41 | ||
42 | # the order in which things happen is indeterminate. So we basically | |
43 | # look for a set of events and note that each one happens and that | |
44 | # all of the required events have happened when we're done. | |
45 | # | |
46 | # Right now we only verify that both threads start and that they | |
47 | # both call pthread_cond_wait twice. | |
48 | set thread1started 0 | |
49 | set thread1condwait 0 | |
50 | set thread2started 0 | |
51 | set thread2condwait 0 | |
52 | ||
53 | send_gdb "run\n" | |
54 | gdb_expect { | |
55 | -re "The program .* has been started already.*y or n. $" { | |
56 | send_gdb "y\n" | |
57 | exp_continue | |
58 | } | |
59 | -re ".*Breakpoint \[0-9\]+,.*thread1.* at .*$srcfile:.*\[\t \].*$gdb_prompt $" { | |
60 | if { $thread1started != 0 } then { | |
61 | fail "thread1 started" | |
62 | return | |
63 | } else { | |
64 | set thread1started 1 | |
65 | pass "thread1 started" | |
66 | } | |
67 | send_gdb "step\n" | |
68 | exp_continue | |
69 | } | |
70 | -re ".*Breakpoint \[0-9\]+,.*thread2.* at .*$srcfile:.*\[\t \].*$gdb_prompt $" { | |
71 | if { $thread2started != 0 } then { | |
72 | fail "thread2 started" | |
73 | return | |
74 | } else { | |
75 | set thread2started 1 | |
76 | pass "thread2 started" | |
77 | } | |
78 | send_gdb "step\n" | |
79 | exp_continue | |
80 | } | |
81 | -re ".*pthread_cond_wait.*cv_a.*$gdb_prompt" { | |
82 | if { $thread1started == 0 } then { | |
83 | fail "thread1 condwait" | |
84 | return | |
85 | } | |
86 | if { $thread1condwait < 2 } then { | |
87 | pass "thread1 condwait" | |
88 | incr thread1condwait | |
89 | } | |
90 | if { $thread2condwait == 2 } then { | |
91 | pass "multi threaded stepping" | |
92 | return | |
93 | } | |
94 | send_gdb "step\n" | |
95 | exp_continue | |
96 | } | |
97 | ||
98 | -re ".*pthread_cond_wait.*cv_b.*$gdb_prompt" { | |
99 | if { $thread2started == 0 } then { | |
100 | fail "thread2 condwait" | |
101 | return | |
102 | } | |
103 | if { $thread2condwait < 2 } then { | |
104 | pass "thread2 condwait" | |
105 | incr thread2condwait | |
106 | } | |
107 | if { $thread1condwait == 2 } then { | |
108 | pass "multi threaded stepping" | |
109 | return | |
110 | } | |
111 | send_gdb "step\n" | |
112 | exp_continue | |
113 | } | |
114 | ||
115 | -re "$gdb_prompt" { | |
116 | send_gdb "step\n" | |
117 | exp_continue | |
118 | } | |
119 | default { fail "multi threaded stepping" } | |
120 | } | |
121 | } | |
122 | ||
123 | # Check to see if we have an executable to test. If not, then either we | |
124 | # haven't tried to compile one, or the compilation failed for some reason. | |
125 | # In either case, just notify the user and skip the tests in this file. | |
126 | ||
127 | set binfile "step" | |
128 | set srcfile "step.c" | |
129 | ||
130 | if ![file exists $objdir/$subdir/$binfile] then { | |
131 | if $all_flag then { | |
132 | warning "$binfile does not exist; tests suppressed." | |
133 | } | |
134 | return | |
135 | } | |
136 | ||
c906108c SS |
137 | |
138 | # Start with a fresh gdb. | |
139 | ||
140 | gdb_exit | |
141 | gdb_start | |
142 | gdb_reinitialize_dir $srcdir/$subdir | |
143 | gdb_load $objdir/$subdir/$binfile | |
144 | ||
145 | test_multi_threaded_stepping |