| 1 | # Copyright (C) 1996, 1997 Free Software Foundation, Inc. |
| 2 | |
| 3 | # This program is free software; you can redistribute it and/or modify |
| 4 | # it under the terms of the GNU General Public License as published by |
| 5 | # the Free Software Foundation; either version 2 of the License, or |
| 6 | # (at your option) any later version. |
| 7 | # |
| 8 | # This program is distributed in the hope that it will be useful, |
| 9 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | # GNU General Public License for more details. |
| 12 | # |
| 13 | # You should have received a copy of the GNU General Public License |
| 14 | # along with this program; if not, write to the Free Software |
| 15 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 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 | |
| 42 | set built_binfile 0 |
| 43 | if [istarget "*-*-linux"] then { |
| 44 | set target_cflags "-D_MIT_POSIX_THREADS" |
| 45 | } else { |
| 46 | set target_cflags "" |
| 47 | } |
| 48 | set why_msg "unrecognized error" |
| 49 | foreach lib {-lpthreads -lpthread -lthread} { |
| 50 | set options "debug" |
| 51 | lappend options "incdir=${objdir}/${subdir}" |
| 52 | lappend options "libs=$lib" |
| 53 | set ccout [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable $options] |
| 54 | switch -regexp -- $ccout { |
| 55 | ".*no posix threads support.*" { |
| 56 | set why_msg "missing threads include file" |
| 57 | break |
| 58 | } |
| 59 | ".*cannot open -lpthread.*" { |
| 60 | set why_msg "missing runtime threads library" |
| 61 | } |
| 62 | ".*Can't find library for -lpthread.*" { |
| 63 | set why_msg "missing runtime threads library" |
| 64 | } |
| 65 | {^$} { |
| 66 | pass "successfully compiled posix threads test case" |
| 67 | set built_binfile 1 |
| 68 | break |
| 69 | } |
| 70 | } |
| 71 | } |
| 72 | if {$built_binfile == "0"} { |
| 73 | unsupported "Couldn't compile ${srcfile}, ${why_msg}" |
| 74 | return -1 |
| 75 | } |
| 76 | |
| 77 | # Now we can proceed with the real testing. |
| 78 | |
| 79 | # Start with a fresh gdb. |
| 80 | |
| 81 | gdb_exit |
| 82 | gdb_start |
| 83 | gdb_reinitialize_dir $srcdir/$subdir |
| 84 | gdb_load ${binfile} |
| 85 | |
| 86 | gdb_test "set print sevenbit-strings" "" |
| 87 | #gdb_test "set print address off" "" |
| 88 | gdb_test "set width 0" "" |
| 89 | |
| 90 | # We'll need this when we send_gdb a ^C to GDB. Need to do it before we |
| 91 | # run the program and gdb starts saving and restoring tty states. |
| 92 | # On Ultrix, we don't need it and it is really slow (because shell_escape |
| 93 | # doesn't use vfork). |
| 94 | if ![istarget "*-*-ultrix*"] then { |
| 95 | gdb_test "shell stty intr '^C'" "" |
| 96 | } |
| 97 | |
| 98 | proc all_threads_running {} { |
| 99 | global gdb_prompt |
| 100 | global srcfile |
| 101 | |
| 102 | # Reset all the counters to zero. |
| 103 | gdb_test "set var common_routine::hits=0" "" |
| 104 | gdb_test "set var common_routine::from_thread1=0" "" |
| 105 | gdb_test "set var common_routine::from_thread2=0" "" |
| 106 | gdb_test "set var common_routine::from_main=0" "" |
| 107 | gdb_test "set var common_routine::full_coverage=0" "" |
| 108 | |
| 109 | # Disable all breakpoints. |
| 110 | gdb_test "disable" "" |
| 111 | |
| 112 | # Set up a breakpoint that will cause us to stop when we have |
| 113 | # been called 15 times. This should be plenty of time to allow |
| 114 | # every thread to run at least once, since each thread sleeps for |
| 115 | # one second between calls to common_routine. |
| 116 | gdb_test "tbreak common_routine if hits >= 15" "" |
| 117 | |
| 118 | # Start all the threads running again and wait for the inferior |
| 119 | # to stop. Since no other breakpoints are set at this time |
| 120 | # we should stop only when we have been previously called 15 times. |
| 121 | |
| 122 | send_gdb "continue\n" |
| 123 | gdb_expect { |
| 124 | -re "Continuing.*common_routine.*at.*$srcfile.*$gdb_prompt $" {} |
| 125 | default { |
| 126 | fail "continue until common routine run 15 times" |
| 127 | return 0 |
| 128 | } |
| 129 | timeout { |
| 130 | fail "continue until common routine run 15 times (timeout)" |
| 131 | return 0 |
| 132 | } |
| 133 | } |
| 134 | |
| 135 | # Check that we stopped when we actually expected to stop, by |
| 136 | # verifying that there have been 15 previous hits. |
| 137 | |
| 138 | # NOTE: Because of synchronization behavior, it is possible for |
| 139 | # more than one thread to increment "hits" between one breakpoint |
| 140 | # trap and the next. So stopping after 16 or 17 hits should be |
| 141 | # considered acceptable. |
| 142 | |
| 143 | send_gdb "p common_routine::hits\n" |
| 144 | gdb_expect { |
| 145 | -re ".*= 15\r\n$gdb_prompt $" { |
| 146 | pass "stopped before calling common_routine 15 times" |
| 147 | } |
| 148 | -re ".*= 16\r\n$gdb_prompt $" { |
| 149 | pass "stopped before calling common_routine 15 times (16 times)" |
| 150 | } |
| 151 | -re ".*= 17\r\n$gdb_prompt $" { |
| 152 | pass "stopped before calling common_routine 15 times (17 times)" |
| 153 | } |
| 154 | default { |
| 155 | fail "stopped before calling common_routine 15 times" |
| 156 | return 0 |
| 157 | } |
| 158 | -re ".*$gdb_prompt $" { |
| 159 | fail "stopped before calling common_routine 15 times" |
| 160 | return 0 |
| 161 | } |
| 162 | timeout { |
| 163 | fail "stopped before calling common_routine 15 times (timeout)" |
| 164 | return 0 |
| 165 | } |
| 166 | } |
| 167 | |
| 168 | # Also check that all of the threads have run, which will only be true |
| 169 | # if the full_coverage variable is set. |
| 170 | |
| 171 | send_gdb "p common_routine::full_coverage\n" |
| 172 | gdb_expect { |
| 173 | -re ".* = 1.*$gdb_prompt $" {} |
| 174 | -re ".* = 0.*$gdb_prompt $" { |
| 175 | fail "some threads didn't run" |
| 176 | return 0 |
| 177 | } |
| 178 | default { |
| 179 | fail "some threads didn't run" |
| 180 | return 0 |
| 181 | } |
| 182 | timeout { |
| 183 | fail "some threads didn't run (timeout)" |
| 184 | return 0 |
| 185 | } |
| 186 | } |
| 187 | |
| 188 | # Looks fine, return success. |
| 189 | return 1 |
| 190 | } |
| 191 | |
| 192 | proc test_startup {} { |
| 193 | global srcdir srcfile gdb_prompt expect_out |
| 194 | global horiz |
| 195 | global main_id thread1_id thread2_id |
| 196 | |
| 197 | # We should be able to do an info threads before starting any others. |
| 198 | send_gdb "info threads\n" |
| 199 | gdb_expect { |
| 200 | -re ".*Thread.*LWP.*main.*$gdb_prompt $" { |
| 201 | pass "info threads" |
| 202 | } |
| 203 | -re "\r\n$gdb_prompt $" { |
| 204 | pass "info threads" |
| 205 | setup_xfail "*-*-*" |
| 206 | fail "gdb does not support pthreads for this machine" |
| 207 | return 0 |
| 208 | } |
| 209 | } |
| 210 | |
| 211 | # Extract the thread id number of main thread from "info threads" output. |
| 212 | send_gdb "info threads\n" |
| 213 | gdb_expect -re "(\[0-9\]+)(${horiz}Thread${horiz}main.*)($gdb_prompt $)" |
| 214 | set main_id $expect_out(1,string) |
| 215 | |
| 216 | # Check that we can continue and create the first thread. |
| 217 | gdb_test "break thread1" "Breakpoint .* file .*$srcdir.*" |
| 218 | gdb_test "continue" \ |
| 219 | "Continuing.*Breakpoint .*, thread1 \\(arg=0xfeedface\\).*at.*$srcfile.*" \ |
| 220 | "Continue to creation of first thread" |
| 221 | gdb_test "disable" "" |
| 222 | |
| 223 | # Extract the thread id number of thread 1 from "info threads" output. |
| 224 | send_gdb "info threads\n" |
| 225 | gdb_expect -re "(\[0-9\]+)(${horiz}Thread${horiz}thread1.*)($gdb_prompt $)" |
| 226 | set thread1_id $expect_out(1,string) |
| 227 | |
| 228 | # Check that we can continue and create the second thread, |
| 229 | # ignoring the first thread for the moment. |
| 230 | gdb_test "break thread2" "Breakpoint .* file .*$srcdir.*" |
| 231 | gdb_test "continue" \ |
| 232 | "Continuing.*Breakpoint .*, thread2 \\(arg=0xdeadbeef\\).*at.*$srcfile.*" \ |
| 233 | "Continue to creation of second thread" |
| 234 | |
| 235 | # Extract the thread id number of thread 2 from "info threads" output. |
| 236 | send_gdb "info threads\n" |
| 237 | gdb_expect -re "(\[0-9\]+)(${horiz}Thread${horiz}thread2.*)($gdb_prompt $)" |
| 238 | set thread2_id $expect_out(1,string) |
| 239 | |
| 240 | return 1 |
| 241 | } |
| 242 | |
| 243 | proc check_control_c {} { |
| 244 | global gdb_prompt |
| 245 | |
| 246 | # Verify that all threads are running. |
| 247 | if [all_threads_running] then { |
| 248 | pass "All threads running after startup" |
| 249 | } |
| 250 | |
| 251 | # Send a continue followed by ^C to the process to stop it. |
| 252 | send_gdb "continue\n" |
| 253 | set description "Stopped with a ^C" |
| 254 | after 1000 [send_gdb "\003"] |
| 255 | gdb_expect { |
| 256 | -re "Program received signal SIGINT.*$gdb_prompt $" { |
| 257 | pass $description |
| 258 | } |
| 259 | -re "Quit.*$gdb_prompt $" { |
| 260 | pass $description |
| 261 | } |
| 262 | timeout { |
| 263 | fail "$description (timeout)" |
| 264 | } |
| 265 | } |
| 266 | gdb_test "bt" "" |
| 267 | |
| 268 | # Verify that all threads can be run again after a ^C stop. |
| 269 | if [all_threads_running] then { |
| 270 | pass "All threads running after continuing from ^C stop" |
| 271 | } |
| 272 | } |
| 273 | |
| 274 | proc check_backtraces {} { |
| 275 | global gdb_prompt main_id thread1_id thread2_id |
| 276 | |
| 277 | # Check that the "thread apply N backtrace" command works |
| 278 | |
| 279 | gdb_test "thread apply $main_id backtrace" \ |
| 280 | ".* in main \\(argc=.*, argv=.*\\).*" \ |
| 281 | "check backtrace from main thread" |
| 282 | gdb_test "thread apply $thread1_id backtrace" \ |
| 283 | ".* in thread1 \\(arg=0xfeedface\\).*" \ |
| 284 | "check backtrace from thread 1" |
| 285 | gdb_test "thread apply $thread2_id backtrace" \ |
| 286 | ".* in thread2 \\(arg=0xdeadbeef\\).*" \ |
| 287 | "check backtrace from thread 2" |
| 288 | |
| 289 | # Check that we can apply the backtrace command to all |
| 290 | # three threads with a single gdb command |
| 291 | |
| 292 | gdb_test "thread apply $main_id $thread1_id $thread2_id bt" \ |
| 293 | ".* in main .* in thread1 .* in thread2.*" \ |
| 294 | "apply backtrace command to all three threads" |
| 295 | |
| 296 | # Check that we can do thread specific backtraces |
| 297 | # This also tests that we can do thread specific breakpoints. |
| 298 | |
| 299 | gdb_test "break common_routine thread $thread2_id" \ |
| 300 | "Breakpoint .* at 0x.* file .* line .*" \ |
| 301 | "set break at common_routine in thread 2" |
| 302 | |
| 303 | send_gdb "continue\n" |
| 304 | gdb_expect { |
| 305 | -re "Breakpoint .* common_routine \\(arg=2\\).*" { |
| 306 | pass "continue to bkpt at common_routine in thread 2" |
| 307 | send_gdb "backtrace\n" |
| 308 | gdb_expect { |
| 309 | -re "#0.*common_routine \\(arg=2\\).*#1.*thread2.*" { |
| 310 | pass "backtrace from thread 2 bkpt in common_routine" |
| 311 | } |
| 312 | default { |
| 313 | fail "backtrace from thread 2 bkpt in common_routine" |
| 314 | } |
| 315 | timeout { |
| 316 | fail "backtrace from thread 2 bkpt in common_routine (timeout)" |
| 317 | } |
| 318 | } |
| 319 | } |
| 320 | -re "Breakpoint .* common_routine \\(arg=0\\).*" { |
| 321 | fail "continue to bkpt at common_routine in thread 2 (arg=0)" |
| 322 | } |
| 323 | -re "Breakpoint .* common_routine \\(arg=1\\).*" { |
| 324 | fail "continue to bkpt at common_routine in thread 2 (arg=1)" |
| 325 | } |
| 326 | -re ".*$gdb_prompt" { |
| 327 | fail "continue to bkpt at common_routine in thread 2" |
| 328 | } |
| 329 | default { |
| 330 | fail "continue to bkpt at common_routine in thread 2 (default)" |
| 331 | } |
| 332 | timeout { |
| 333 | fail "continue to bkpt at common_routine in thread 2 (timeout)" |
| 334 | } |
| 335 | } |
| 336 | } |
| 337 | |
| 338 | setup_xfail "alpha-*-osf*" |
| 339 | if [runto_main] then { |
| 340 | clear_xfail "alpha-*-osf*" |
| 341 | if [test_startup] then { |
| 342 | check_control_c |
| 343 | check_backtraces |
| 344 | } |
| 345 | } |
| 346 | clear_xfail "alpha-*-osf*" |