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6aba47ca | 1 | # Copyright (C) 1996, 1997, 1999, 2000, 2001, 2002, 2003, 2004, 2007 |
51d01eda | 2 | # Free Software Foundation, Inc. |
c906108c SS |
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 | |
e22f8b7c | 6 | # the Free Software Foundation; either version 3 of the License, or |
c906108c | 7 | # (at your option) any later version. |
e22f8b7c | 8 | # |
c906108c SS |
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. | |
e22f8b7c | 13 | # |
c906108c | 14 | # You should have received a copy of the GNU General Public License |
e22f8b7c | 15 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
c906108c SS |
16 | |
17 | # Please email any bugs, comments, and/or additions to this file to: | |
18 | # bug-gdb@prep.ai.mit.edu | |
19 | ||
20 | # This file was written by Fred Fish. (fnf@cygnus.com) | |
21 | ||
22 | if $tracelevel then { | |
23 | strace $tracelevel | |
24 | } | |
25 | ||
26 | set prms_id 0 | |
27 | set bug_id 0 | |
28 | ||
29 | # This only works with native configurations | |
30 | if ![isnative] then { | |
31 | return | |
32 | } | |
33 | ||
34 | set testfile "pthreads" | |
35 | set srcfile ${testfile}.c | |
36 | set binfile ${objdir}/${subdir}/${testfile} | |
37 | ||
38 | # regexp for "horizontal" text (i.e. doesn't include newline or | |
39 | # carriage return) | |
40 | set horiz "\[^\n\r\]*" | |
41 | ||
c906108c SS |
42 | if [istarget "*-*-linux"] then { |
43 | set target_cflags "-D_MIT_POSIX_THREADS" | |
44 | } else { | |
45 | set target_cflags "" | |
46 | } | |
b6ff0e81 | 47 | |
dc62bfc2 | 48 | if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug "incdir=${objdir}"]] != "" } { |
b5ab8ff3 | 49 | return -1 |
c906108c SS |
50 | } |
51 | ||
c906108c SS |
52 | |
53 | # Start with a fresh gdb. | |
54 | ||
55 | gdb_exit | |
56 | gdb_start | |
57 | gdb_reinitialize_dir $srcdir/$subdir | |
58 | gdb_load ${binfile} | |
59 | ||
60 | gdb_test "set print sevenbit-strings" "" | |
61 | #gdb_test "set print address off" "" | |
62 | gdb_test "set width 0" "" | |
63 | ||
64 | # We'll need this when we send_gdb a ^C to GDB. Need to do it before we | |
65 | # run the program and gdb starts saving and restoring tty states. | |
66 | # On Ultrix, we don't need it and it is really slow (because shell_escape | |
67 | # doesn't use vfork). | |
68 | if ![istarget "*-*-ultrix*"] then { | |
69 | gdb_test "shell stty intr '^C'" "" | |
70 | } | |
71 | ||
72 | proc all_threads_running {} { | |
73 | global gdb_prompt | |
74 | global srcfile | |
75 | ||
76 | # Reset all the counters to zero. | |
77 | gdb_test "set var common_routine::hits=0" "" | |
78 | gdb_test "set var common_routine::from_thread1=0" "" | |
79 | gdb_test "set var common_routine::from_thread2=0" "" | |
80 | gdb_test "set var common_routine::from_main=0" "" | |
81 | gdb_test "set var common_routine::full_coverage=0" "" | |
82 | ||
83 | # Disable all breakpoints. | |
84 | gdb_test "disable" "" | |
85 | ||
86 | # Set up a breakpoint that will cause us to stop when we have | |
87 | # been called 15 times. This should be plenty of time to allow | |
88 | # every thread to run at least once, since each thread sleeps for | |
89 | # one second between calls to common_routine. | |
2f09097b | 90 | gdb_test "tbreak common_routine if hits >= 15" "" |
c906108c SS |
91 | |
92 | # Start all the threads running again and wait for the inferior | |
93 | # to stop. Since no other breakpoints are set at this time | |
94 | # we should stop only when we have been previously called 15 times. | |
95 | ||
96 | send_gdb "continue\n" | |
97 | gdb_expect { | |
98 | -re "Continuing.*common_routine.*at.*$srcfile.*$gdb_prompt $" {} | |
99 | default { | |
100 | fail "continue until common routine run 15 times" | |
101 | return 0 | |
102 | } | |
103 | timeout { | |
104 | fail "continue until common routine run 15 times (timeout)" | |
105 | return 0 | |
106 | } | |
107 | } | |
108 | ||
109 | # Check that we stopped when we actually expected to stop, by | |
110 | # verifying that there have been 15 previous hits. | |
111 | ||
2f09097b ND |
112 | # NOTE: Because of synchronization behavior, it is possible for |
113 | # more than one thread to increment "hits" between one breakpoint | |
114 | # trap and the next. So stopping after 16 or 17 hits should be | |
115 | # considered acceptable. | |
116 | ||
c906108c SS |
117 | send_gdb "p common_routine::hits\n" |
118 | gdb_expect { | |
cf74b8ca AC |
119 | -re ".*= 15\r\n$gdb_prompt $" { |
120 | pass "stopped before calling common_routine 15 times" | |
121 | } | |
122 | -re ".*= 16\r\n$gdb_prompt $" { | |
123 | pass "stopped before calling common_routine 15 times (16 times)" | |
124 | } | |
125 | -re ".*= 17\r\n$gdb_prompt $" { | |
126 | pass "stopped before calling common_routine 15 times (17 times)" | |
127 | } | |
c906108c SS |
128 | default { |
129 | fail "stopped before calling common_routine 15 times" | |
130 | return 0 | |
131 | } | |
132 | -re ".*$gdb_prompt $" { | |
133 | fail "stopped before calling common_routine 15 times" | |
134 | return 0 | |
135 | } | |
136 | timeout { | |
137 | fail "stopped before calling common_routine 15 times (timeout)" | |
138 | return 0 | |
139 | } | |
140 | } | |
141 | ||
142 | # Also check that all of the threads have run, which will only be true | |
143 | # if the full_coverage variable is set. | |
144 | ||
145 | send_gdb "p common_routine::full_coverage\n" | |
146 | gdb_expect { | |
0816a3e5 MS |
147 | -re ".* = 1.*$gdb_prompt $" {} |
148 | -re ".* = 0.*$gdb_prompt $" { | |
149 | fail "some threads didn't run" | |
150 | return 0 | |
151 | } | |
c906108c SS |
152 | default { |
153 | fail "some threads didn't run" | |
154 | return 0 | |
155 | } | |
156 | timeout { | |
157 | fail "some threads didn't run (timeout)" | |
158 | return 0 | |
159 | } | |
160 | } | |
161 | ||
162 | # Looks fine, return success. | |
163 | return 1 | |
164 | } | |
165 | ||
166 | proc test_startup {} { | |
167 | global srcdir srcfile gdb_prompt expect_out | |
168 | global horiz | |
169 | global main_id thread1_id thread2_id | |
170 | ||
171 | # We should be able to do an info threads before starting any others. | |
172 | send_gdb "info threads\n" | |
173 | gdb_expect { | |
ae23c492 | 174 | -re ".*Thread.*main.*$gdb_prompt $" { |
c906108c SS |
175 | pass "info threads" |
176 | } | |
177 | -re "\r\n$gdb_prompt $" { | |
ae23c492 | 178 | unsupported "gdb does not support pthreads for this machine" |
c906108c SS |
179 | return 0 |
180 | } | |
181 | } | |
182 | ||
183 | # Extract the thread id number of main thread from "info threads" output. | |
184 | send_gdb "info threads\n" | |
185 | gdb_expect -re "(\[0-9\]+)(${horiz}Thread${horiz}main.*)($gdb_prompt $)" | |
186 | set main_id $expect_out(1,string) | |
187 | ||
188 | # Check that we can continue and create the first thread. | |
2a11c64d | 189 | gdb_test "break thread1" "Breakpoint .* file .*$srcfile.*" |
c906108c SS |
190 | gdb_test "continue" \ |
191 | "Continuing.*Breakpoint .*, thread1 \\(arg=0xfeedface\\).*at.*$srcfile.*" \ | |
192 | "Continue to creation of first thread" | |
193 | gdb_test "disable" "" | |
194 | ||
195 | # Extract the thread id number of thread 1 from "info threads" output. | |
196 | send_gdb "info threads\n" | |
197 | gdb_expect -re "(\[0-9\]+)(${horiz}Thread${horiz}thread1.*)($gdb_prompt $)" | |
198 | set thread1_id $expect_out(1,string) | |
199 | ||
200 | # Check that we can continue and create the second thread, | |
201 | # ignoring the first thread for the moment. | |
2a11c64d | 202 | gdb_test "break thread2" "Breakpoint .* file .*$srcfile.*" |
c906108c SS |
203 | gdb_test "continue" \ |
204 | "Continuing.*Breakpoint .*, thread2 \\(arg=0xdeadbeef\\).*at.*$srcfile.*" \ | |
205 | "Continue to creation of second thread" | |
206 | ||
207 | # Extract the thread id number of thread 2 from "info threads" output. | |
208 | send_gdb "info threads\n" | |
209 | gdb_expect -re "(\[0-9\]+)(${horiz}Thread${horiz}thread2.*)($gdb_prompt $)" | |
210 | set thread2_id $expect_out(1,string) | |
211 | ||
212 | return 1 | |
213 | } | |
214 | ||
215 | proc check_control_c {} { | |
216 | global gdb_prompt | |
217 | ||
218 | # Verify that all threads are running. | |
219 | if [all_threads_running] then { | |
220 | pass "All threads running after startup" | |
221 | } | |
222 | ||
223 | # Send a continue followed by ^C to the process to stop it. | |
224 | send_gdb "continue\n" | |
8f0cbc1c DJ |
225 | gdb_expect { |
226 | -re "Continuing." { | |
227 | pass "Continue with all threads running" | |
228 | } | |
229 | timeout { | |
230 | fail "Continue with all threads running (timeout)" | |
231 | } | |
232 | } | |
51d01eda MC |
233 | after 2000 |
234 | send_gdb "\003" | |
c906108c | 235 | set description "Stopped with a ^C" |
c906108c SS |
236 | gdb_expect { |
237 | -re "Program received signal SIGINT.*$gdb_prompt $" { | |
238 | pass $description | |
239 | } | |
240 | -re "Quit.*$gdb_prompt $" { | |
241 | pass $description | |
242 | } | |
243 | timeout { | |
244 | fail "$description (timeout)" | |
da55addb | 245 | return 1; |
c906108c SS |
246 | } |
247 | } | |
248 | gdb_test "bt" "" | |
249 | ||
250 | # Verify that all threads can be run again after a ^C stop. | |
251 | if [all_threads_running] then { | |
252 | pass "All threads running after continuing from ^C stop" | |
253 | } | |
da55addb | 254 | return 0; |
c906108c SS |
255 | } |
256 | ||
257 | proc check_backtraces {} { | |
258 | global gdb_prompt main_id thread1_id thread2_id | |
259 | ||
260 | # Check that the "thread apply N backtrace" command works | |
261 | ||
262 | gdb_test "thread apply $main_id backtrace" \ | |
263 | ".* in main \\(argc=.*, argv=.*\\).*" \ | |
264 | "check backtrace from main thread" | |
265 | gdb_test "thread apply $thread1_id backtrace" \ | |
266 | ".* in thread1 \\(arg=0xfeedface\\).*" \ | |
267 | "check backtrace from thread 1" | |
268 | gdb_test "thread apply $thread2_id backtrace" \ | |
269 | ".* in thread2 \\(arg=0xdeadbeef\\).*" \ | |
270 | "check backtrace from thread 2" | |
271 | ||
272 | # Check that we can apply the backtrace command to all | |
273 | # three threads with a single gdb command | |
274 | ||
275 | gdb_test "thread apply $main_id $thread1_id $thread2_id bt" \ | |
276 | ".* in main .* in thread1 .* in thread2.*" \ | |
277 | "apply backtrace command to all three threads" | |
278 | ||
279 | # Check that we can do thread specific backtraces | |
280 | # This also tests that we can do thread specific breakpoints. | |
281 | ||
282 | gdb_test "break common_routine thread $thread2_id" \ | |
283 | "Breakpoint .* at 0x.* file .* line .*" \ | |
284 | "set break at common_routine in thread 2" | |
285 | ||
286 | send_gdb "continue\n" | |
287 | gdb_expect { | |
288 | -re "Breakpoint .* common_routine \\(arg=2\\).*" { | |
cf74b8ca | 289 | pass "continue to bkpt at common_routine in thread 2" |
c906108c SS |
290 | send_gdb "backtrace\n" |
291 | gdb_expect { | |
292 | -re "#0.*common_routine \\(arg=2\\).*#1.*thread2.*" { | |
293 | pass "backtrace from thread 2 bkpt in common_routine" | |
294 | } | |
295 | default { | |
296 | fail "backtrace from thread 2 bkpt in common_routine" | |
297 | } | |
298 | timeout { | |
299 | fail "backtrace from thread 2 bkpt in common_routine (timeout)" | |
300 | } | |
301 | } | |
302 | } | |
303 | -re "Breakpoint .* common_routine \\(arg=0\\).*" { | |
cf74b8ca | 304 | fail "continue to bkpt at common_routine in thread 2 (arg=0)" |
c906108c SS |
305 | } |
306 | -re "Breakpoint .* common_routine \\(arg=1\\).*" { | |
cf74b8ca | 307 | fail "continue to bkpt at common_routine in thread 2 (arg=1)" |
c906108c SS |
308 | } |
309 | -re ".*$gdb_prompt" { | |
310 | fail "continue to bkpt at common_routine in thread 2" | |
311 | } | |
312 | default { | |
cf74b8ca | 313 | fail "continue to bkpt at common_routine in thread 2 (default)" |
c906108c SS |
314 | } |
315 | timeout { | |
316 | fail "continue to bkpt at common_routine in thread 2 (timeout)" | |
317 | } | |
318 | } | |
319 | } | |
320 | ||
321 | setup_xfail "alpha-*-osf*" | |
322 | if [runto_main] then { | |
323 | clear_xfail "alpha-*-osf*" | |
324 | if [test_startup] then { | |
da55addb MS |
325 | if [check_control_c] then { |
326 | warning "Could not stop child with ^C; skipping rest of tests.\n" | |
327 | return; | |
328 | } | |
c906108c SS |
329 | check_backtraces |
330 | } | |
331 | } | |
332 | clear_xfail "alpha-*-osf*" |