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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-7.2/] [gdb/] [testsuite/] [gdb.threads/] [pthreads.exp] - Blame information for rev 330

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1 330 jeremybenn
# Copyright (C) 1996, 1997, 1999, 2000, 2001, 2002, 2003, 2004, 2007, 2008,
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# 2009, 2010 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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# This file was written by Fred Fish. (fnf@cygnus.com)
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if $tracelevel then {
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        strace $tracelevel
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}
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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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# 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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}
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47
 
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# Start with a fresh gdb.
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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gdb_test_no_output "set print sevenbit-strings"
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#gdb_test_no_output "set print address off"
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gdb_test_no_output "set width 0"
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# 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'" ".*"
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}
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proc all_threads_running {} {
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    global gdb_prompt
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    global srcfile
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    # Reset all the counters to zero.
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    gdb_test_no_output "set var common_routine::hits=0"
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    gdb_test_no_output "set var common_routine::from_thread1=0"
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    gdb_test_no_output "set var common_routine::from_thread2=0"
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    gdb_test_no_output "set var common_routine::from_main=0"
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    gdb_test_no_output "set var common_routine::full_coverage=0"
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    # Disable all breakpoints.
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    gdb_test_no_output "disable"
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    # 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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    # 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.
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    set return_me 1
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93
    gdb_test_multiple "continue" "continue until common routine run 15 times" {
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        -re "Continuing.*common_routine.*at.*$srcfile.*$gdb_prompt $" {
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            set return_me 0
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        }
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    }
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    if { $return_me == 1 } then {
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        return 0;
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    }
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103
    # Check that we stopped when we actually expected to stop, by
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    # verifying that there have been 15 previous hits.
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    # NOTE: Because of synchronization behavior, it is possible for
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    # more than one thread to increment "hits" between one breakpoint
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    # trap and the next.  So stopping after 16 or 17 hits should be
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    # considered acceptable.
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111
    gdb_test_multiple "p common_routine::hits" \
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        "stopped before calling common_routine 15 times" {
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            -re ".*= 15\r\n$gdb_prompt $" {
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                pass "stopped before calling common_routine 15 times"
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            }
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            -re ".*= 16\r\n$gdb_prompt $" {
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                pass "stopped before calling common_routine 15 times (16 times)"
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            }
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            -re ".*= 17\r\n$gdb_prompt $" {
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                pass "stopped before calling common_routine 15 times (17 times)"
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            }
122
        }
123
 
124
    # Also check that all of the threads have run, which will only be true
125
    # if the full_coverage variable is set.
126
 
127
    set return_me 1
128
    gdb_test_multiple "p common_routine::full_coverage" \
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        "some threads didn't run" {
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            -re ".* = 1.*$gdb_prompt $" {
131
            }
132
            -re ".* = 0.*$gdb_prompt $" {
133
                fail "some threads didn't run"
134
                set return_me 0
135
            }
136
        }
137
 
138
    # Looks fine, return success.
139
    return $return_me
140
}
141
 
142
proc test_startup {} {
143
    global srcdir srcfile gdb_prompt expect_out
144
    global horiz
145
    global main_id thread1_id thread2_id
146
 
147
    # We should be able to do an info threads before starting any others.
148
    set return_me 1
149
    gdb_test_multiple "info threads" "info threads" {
150
        -re ".*Thread.*main.*$gdb_prompt $" {
151
            pass "info threads"
152
            set return_me 0
153
        }
154
        -re "\r\n$gdb_prompt $" {
155
            unsupported "gdb does not support pthreads for this machine"
156
        }
157
    }
158
 
159
    if { $return_me == 1 } then {
160
        return 0;
161
    }
162
 
163
    # Extract the thread id number of main thread from "info threads" output.
164
    gdb_test_multiple "info threads" "get main thread id" {
165
        -re "(\[0-9\]+)(${horiz}Thread${horiz}main.*)($gdb_prompt $)" {
166
        }
167
    }
168
 
169
    set main_id $expect_out(1,string)
170
 
171
    # Check that we can continue and create the first thread.
172
    gdb_test "break thread1" "Breakpoint .* file .*$srcfile.*"
173
    gdb_test "continue" \
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            "Continuing.*Breakpoint .*, thread1 \\(arg=0xfeedface\\).*at.*$srcfile.*" \
175
            "Continue to creation of first thread"
176
    gdb_test_no_output "disable"
177
 
178
    # Extract the thread id number of thread 1 from "info threads" output.
179
    gdb_test_multiple "info threads" "get thread 1 id" {
180
        -re "(\[0-9\]+)(${horiz}Thread${horiz}thread1.*)($gdb_prompt $)" {
181
        }
182
    }
183
 
184
    set thread1_id $expect_out(1,string)
185
 
186
    # Check that we can continue and create the second thread,
187
    # ignoring the first thread for the moment.
188
    gdb_test "break thread2" "Breakpoint .* file .*$srcfile.*"
189
    gdb_test "continue" \
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            "Continuing.*Breakpoint .*, thread2 \\(arg=0xdeadbeef\\).*at.*$srcfile.*" \
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            "Continue to creation of second thread"
192
 
193
    # Extract the thread id number of thread 2 from "info threads" output.
194
    gdb_test_multiple "info threads" "get thread 2 id" {
195
        -re "(\[0-9\]+)(${horiz}Thread${horiz}thread2.*)($gdb_prompt $)" {
196
        }
197
    }
198
 
199
    set thread2_id $expect_out(1,string)
200
 
201
    return 1
202
}
203
 
204
proc check_control_c {} {
205
    global gdb_prompt
206
 
207
    # Verify that all threads are running.
208
    if [all_threads_running] then {
209
        pass "All threads running after startup"
210
    }
211
 
212
    # Send a continue followed by ^C to the process to stop it.
213
    gdb_test_multiple "continue" "continue with all threads running" {
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        -re "Continuing." {
215
            pass "Continue with all threads running"
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        }
217
    }
218
    after 2000
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    send_gdb "\003"
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    set description "Stopped with a ^C"
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    gdb_expect {
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        -re "Program received signal SIGINT.*$gdb_prompt $" {
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            pass $description
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        }
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        -re "Quit.*$gdb_prompt $" {
226
            pass $description
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        }
228
        timeout {
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            fail "$description (timeout)"
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            return 1;
231
        }
232
    }
233
    gdb_test "bt" ".*"
234
 
235
    # Verify that all threads can be run again after a ^C stop.
236
    if [all_threads_running] then {
237
        pass "All threads running after continuing from ^C stop"
238
    }
239
    return 0;
240
}
241
 
242
proc check_backtraces {} {
243
    global gdb_prompt main_id thread1_id thread2_id
244
 
245
    # Check that the "thread apply N backtrace" command works
246
 
247
    gdb_test "thread apply $main_id backtrace" \
248
            ".* in main \\(argc=.*, argv=.*\\).*" \
249
            "check backtrace from main thread"
250
    gdb_test "thread apply $thread1_id backtrace" \
251
            ".* in thread1 \\(arg=0xfeedface\\).*" \
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            "check backtrace from thread 1"
253
    gdb_test "thread apply $thread2_id backtrace" \
254
            ".* in thread2 \\(arg=0xdeadbeef\\).*" \
255
            "check backtrace from thread 2"
256
 
257
    # Check that we can apply the backtrace command to all
258
    # three threads with a single gdb command
259
 
260
    gdb_test "thread apply $main_id $thread1_id $thread2_id bt" \
261
            ".* in main .* in thread1 .* in thread2.*" \
262
            "apply backtrace command to all three threads"
263
 
264
    # Check that we can do thread specific backtraces
265
    # This also tests that we can do thread specific breakpoints.
266
 
267
    gdb_test "break common_routine thread $thread2_id" \
268
            "Breakpoint .* at 0x.* file .* line .*" \
269
            "set break at common_routine in thread 2"
270
 
271
    gdb_test_multiple "continue" "continue to bkpt at common_routine in thread 2" {
272
        -re "Breakpoint .* common_routine \\(arg=2\\).*" {
273
            pass "continue to bkpt at common_routine in thread 2"
274
            gdb_test "backtrace" \
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                "#0.*common_routine \\(arg=2\\).*#1.*thread2.*" \
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                "backtrace from thread 2 bkpt in common_routine"
277
        }
278
        -re "Breakpoint .* common_routine \\(arg=0\\).*" {
279
            fail "continue to bkpt at common_routine in thread 2 (arg=0)"
280
        }
281
        -re "Breakpoint .* common_routine \\(arg=1\\).*" {
282
            fail "continue to bkpt at common_routine in thread 2 (arg=1)"
283
        }
284
    }
285
}
286
 
287
setup_xfail "alpha-*-osf*"
288
if [runto_main] then {
289
    clear_xfail "alpha-*-osf*"
290
    if [test_startup] then {
291
        if [check_control_c] then {
292
            warning "Could not stop child with ^C; skipping rest of tests.\n"
293
            return;
294
        }
295
        check_backtraces
296
    }
297
}
298
clear_xfail "alpha-*-osf*"

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