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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [gdb/] [testsuite/] [gdb.threads/] [pthreads.exp] - Blame information for rev 157

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1 24 jeremybenn
# Copyright (C) 1996, 1997, 1999, 2000, 2001, 2002, 2003, 2004, 2007, 2008
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# 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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# Please email any bugs, comments, and/or additions to this file to:
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# bug-gdb@prep.ai.mit.edu
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# This file was written by Fred Fish. (fnf@cygnus.com)
21
 
22
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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# This only works with native configurations
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if ![isnative] then {
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    return
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}
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set testfile "pthreads"
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set srcfile ${testfile}.c
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set binfile ${objdir}/${subdir}/${testfile}
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38
# regexp for "horizontal" text (i.e. doesn't include newline or
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# carriage return)
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set horiz "\[^\n\r\]*"
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if [istarget "*-*-linux"] then {
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    set target_cflags "-D_MIT_POSIX_THREADS"
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} else {
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    set target_cflags ""
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}
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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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}
51
 
52
 
53
# Start with a fresh gdb.
54
 
55
gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
59
 
60
gdb_test "set print sevenbit-strings" ""
61
#gdb_test "set print address off" ""
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gdb_test "set width 0" ""
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64
# We'll need this when we send_gdb a ^C to GDB.  Need to do it before we
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# run the program and gdb starts saving and restoring tty states.
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# On Ultrix, we don't need it and it is really slow (because shell_escape
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# doesn't use vfork).
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if ![istarget "*-*-ultrix*"] then {
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    gdb_test "shell stty intr '^C'" ""
70
}
71
 
72
proc all_threads_running {} {
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    global gdb_prompt
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    global srcfile
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76
    # Reset all the counters to zero.
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    gdb_test "set var common_routine::hits=0" ""
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    gdb_test "set var common_routine::from_thread1=0" ""
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    gdb_test "set var common_routine::from_thread2=0" ""
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    gdb_test "set var common_routine::from_main=0" ""
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    gdb_test "set var common_routine::full_coverage=0" ""
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83
    # Disable all breakpoints.
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    gdb_test "disable" ""
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86
    # Set up a breakpoint that will cause us to stop when we have
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    # been called 15 times.  This should be plenty of time to allow
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    # every thread to run at least once, since each thread sleeps for
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    # one second between calls to common_routine.
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    gdb_test "tbreak common_routine if hits >= 15" ""
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92
    # Start all the threads running again and wait for the inferior
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    # to stop.  Since no other breakpoints are set at this time
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    # we should stop only when we have been previously called 15 times.
95
 
96
    send_gdb "continue\n"
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    gdb_expect {
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        -re "Continuing.*common_routine.*at.*$srcfile.*$gdb_prompt $" {}
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        default {
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            fail "continue until common routine run 15 times"
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            return 0
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        }
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        timeout {
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            fail "continue until common routine run 15 times (timeout)"
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            return 0
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        }
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    }
108
 
109
    # Check that we stopped when we actually expected to stop, by
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    # verifying that there have been 15 previous hits.
111
 
112
    # NOTE: Because of synchronization behavior, it is possible for
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    # more than one thread to increment "hits" between one breakpoint
114
    # trap and the next.  So stopping after 16 or 17 hits should be
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    # considered acceptable.
116
 
117
    send_gdb "p common_routine::hits\n"
118
    gdb_expect {
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        -re ".*= 15\r\n$gdb_prompt $" {
120
            pass "stopped before calling common_routine 15 times"
121
        }
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        -re ".*= 16\r\n$gdb_prompt $" {
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            pass "stopped before calling common_routine 15 times (16 times)"
124
        }
125
        -re ".*= 17\r\n$gdb_prompt $" {
126
            pass "stopped before calling common_routine 15 times (17 times)"
127
        }
128
        default {
129
            fail "stopped before calling common_routine 15 times"
130
            return 0
131
        }
132
        -re ".*$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 {
147
        -re ".* = 1.*$gdb_prompt $" {}
148
        -re ".* = 0.*$gdb_prompt $" {
149
            fail "some threads didn't run"
150
            return 0
151
        }
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 {
174
        -re ".*Thread.*main.*$gdb_prompt $" {
175
            pass "info threads"
176
        }
177
        -re "\r\n$gdb_prompt $" {
178
            unsupported "gdb does not support pthreads for this machine"
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.
189
    gdb_test "break thread1" "Breakpoint .* file .*$srcfile.*"
190
    gdb_test "continue" \
191
            "Continuing.*Breakpoint .*, thread1 \\(arg=0xfeedface\\).*at.*$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.
202
    gdb_test "break thread2" "Breakpoint .* file .*$srcfile.*"
203
    gdb_test "continue" \
204
            "Continuing.*Breakpoint .*, thread2 \\(arg=0xdeadbeef\\).*at.*$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"
225
    gdb_expect {
226
        -re "Continuing." {
227
            pass "Continue with all threads running"
228
        }
229
        timeout {
230
            fail "Continue with all threads running (timeout)"
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        }
232
    }
233
    after 2000
234
    send_gdb "\003"
235
    set description "Stopped with a ^C"
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)"
245
            return 1;
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
    }
254
    return 0;
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\\).*" {
289
            pass "continue to bkpt at common_routine in thread 2"
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\\).*" {
304
            fail "continue to bkpt at common_routine in thread 2 (arg=0)"
305
        }
306
        -re "Breakpoint .* common_routine \\(arg=1\\).*" {
307
            fail "continue to bkpt at common_routine in thread 2 (arg=1)"
308
        }
309
        -re ".*$gdb_prompt" {
310
            fail "continue to bkpt at common_routine in thread 2"
311
        }
312
        default {
313
            fail "continue to bkpt at common_routine in thread 2 (default)"
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 {
325
        if [check_control_c] then {
326
            warning "Could not stop child with ^C; skipping rest of tests.\n"
327
            return;
328
        }
329
        check_backtraces
330
    }
331
}
332
clear_xfail "alpha-*-osf*"

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