264 lines
8.2 KiB
Text
264 lines
8.2 KiB
Text
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# Copyright (C) 1996 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 2 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, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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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)
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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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set testfile "pthreads"
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set srcfile ${testfile}.c
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set binfile ${objdir}/${subdir}/${testfile}
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set ccout [compile "${srcdir}/${subdir}/${srcfile} -I${objdir}/${subdir} -g -o ${binfile} -lpthread"]
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switch -regexp -- $ccout {
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".*no posix threads support.*" { return 0 }
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{^$} { pass "successfully compiled posix threads test case" }
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default { perror "Couldn't compile ${srcfile}" ; return -1 }
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}
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# Now we can proceed with the real testing.
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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 ${binfile}
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send "set print sevenbit-strings\n" ; expect -re "$prompt $"
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#send "set print address off\n" ; expect -re "$prompt $"
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send "set width 0\n" ; expect -re "$prompt $"
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# We'll need this when we send a ^C to GDB. Need to do it before we
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# run the program and gdb starts saving and restoring tty states.
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# On Ultrix, we don't need it and it is really slow (because shell_escape
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# doesn't use vfork).
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if ![istarget "*-*-ultrix*"] then {
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send "shell stty intr '^C'\n" ; expect -re "$prompt $"
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}
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proc all_threads_running {} {
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global prompt
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global srcfile
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# Reset all the counters to zero.
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send "set var common_routine::hits=0\n" ; expect -re "$prompt $"
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send "set var common_routine::from_thread1=0\n" ; expect -re "$prompt $"
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send "set var common_routine::from_thread2=0\n" ; expect -re "$prompt $"
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send "set var common_routine::from_main=0\n" ; expect -re "$prompt $"
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send "set var common_routine::full_coverage=0\n" ; expect -re "$prompt $"
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# Disable all breakpoints.
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send "disable\n" ; expect -re "$prompt $"
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# Set up a breakpoint that will cause us to stop when we have
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# been called 15 times. This should be plenty of time to allow
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# every thread to run at least once, since each thread sleeps for
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# one second between calls to common_routine.
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send "tbreak common_routine if hits == 15\n"; expect -re "$prompt $"
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# Start all the threads running again and wait for the inferior
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# to stop. Since no other breakpoints are set at this time
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# we should stop only when we have been previously called 15 times.
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send "continue\n"
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expect {
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-re "Continuing.*common_routine.*at.*$srcfile.*$prompt $" {}
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default {
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fail "continue until common routine run 15 times"
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return 0
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}
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timeout {
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fail "continue until common routine run 15 times (timeout)"
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return 0
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}
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}
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# Check that we stopped when we actually expected to stop, by
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# verifying that there have been 15 previous hits.
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send "p common_routine::hits\n"
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expect {
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-re ".*= 15\r\n$prompt $" {}
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default {
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fail "stopped before calling common_routine 15 times"
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return 0
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}
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timeout {
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fail "stopped before calling common_routine 15 times (timeout)"
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return 0
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}
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}
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# Also check that all of the threads have run, which will only be true
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# if the full_coverage variable is set.
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send "p common_routine::full_coverage\n"
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expect {
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-re ".*= 1\r\n$prompt $" {}
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default {
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fail "some threads didn't run"
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return 0
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}
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timeout {
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fail "some threads didn't run (timeout)"
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return 0
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}
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}
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# Looks fine, return success.
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return 1
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}
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proc test_startup {} {
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global srcdir srcfile prompt expect_out
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global main_id thread1_id thread2_id
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# We should be able to do an info threads before starting any others.
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gdb_test "info threads" ".*Thread.*LWP.*main.*"
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# Extract the thread id number of main thread from "info threads" output.
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send "info threads\n" ; expect -re "(\[0-9\]+)(.*Thread.*main.*)($prompt $)"
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set main_id $expect_out(1,string)
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# Check that we can continue and create the first thread.
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gdb_test "break thread1" "Breakpoint .* file .*$srcdir.*"
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gdb_test "continue" \
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"Continuing.*Breakpoint .*, thread1 \\(arg=0xfeedface\\).*at.*$srcfile.*" \
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"Continue to creation of first thread"
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send "disable\n" ; expect -re "$prompt $"
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# Extract the thread id number of thread 1 from "info threads" output.
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send "info threads\n" ; expect -re "(\[0-9\]+)(.*Thread.*thread1.*)($prompt $)"
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set thread1_id $expect_out(1,string)
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# Check that we can continue and create the second thread,
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# ignoring the first thread for the moment.
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gdb_test "break thread2" "Breakpoint .* file .*$srcdir.*"
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gdb_test "continue" \
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"Continuing.*Breakpoint .*, thread2 \\(arg=0xdeadbeef\\).*at.*$srcfile.*" \
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"Continue to creation of second thread"
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# Extract the thread id number of thread 2 from "info threads" output.
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send "info threads\n" ; expect -re "(\[0-9\]+)(.*Thread.*thread2.*)($prompt $)"
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set thread2_id $expect_out(1,string)
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}
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proc check_control_c {} {
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global prompt
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# Verify that all threads are running.
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if [all_threads_running] then {
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pass "All threads running after startup"
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}
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# Send a continue followed by ^C to the process to stop it.
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send "continue\n"
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set description "Stopped with a ^C"
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after 1000 [send "\003"]
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expect {
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-re "Program received signal SIGINT.*$prompt $" {
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pass $description
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}
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-re "Quit.*$prompt $" {
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pass $description
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}
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timeout {
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fail "$description (timeout)"
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}
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}
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send "bt\n" ; expect -re "$prompt $"
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# Verify that all threads can be run again after a ^C stop.
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if [all_threads_running] then {
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pass "All threads running after continuing from ^C stop"
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}
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}
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proc check_backtraces {} {
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global prompt main_id thread1_id thread2_id
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# Check that the "thread apply N backtrace" command works
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gdb_test "thread apply $main_id backtrace" \
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".* in main \\(argc=.*, argv=.*\\).*" \
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"check backtrace from main thread"
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gdb_test "thread apply $thread1_id backtrace" \
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".* in thread1 \\(arg=0xfeedface\\).*" \
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"check backtrace from thread 1"
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gdb_test "thread apply $thread2_id backtrace" \
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".* in thread2 \\(arg=0xdeadbeef\\).*" \
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"check backtrace from thread 2"
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# Check that we can apply the backtrace command to all
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# three threads with a single gdb command
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gdb_test "thread apply $main_id $thread1_id $thread2_id bt" \
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".* in main .* in thread1 .* in thread2.*" \
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"apply backtrace command to all three threads"
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# Check that we can do thread specific backtraces
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# This also tests that we can do thread specific breakpoints.
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gdb_test "break common_routine thread $thread2_id" \
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"Breakpoint .* at 0x.* file .* line .*" \
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"set break at common_routine in thread 2"
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send "continue\n"
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expect {
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-re "Breakpoint .* common_routine \\(arg=2\\).*" {
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send "backtrace\n"
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expect {
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-re "#0.*common_routine \\(arg=2\\).*#1.*thread2.*" {
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pass "backtrace from thread 2 bkpt in common_routine"
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}
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default {
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fail "backtrace from thread 2 bkpt in common_routine"
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}
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timeout {
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fail "backtrace from thread 2 bkpt in common_routine (timeout)"
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}
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}
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}
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-re "Breakpoint .* common_routine \\(arg=0\\).*" {
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fail "stopped in main thread at breakpoint for thread 2"
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}
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-re "Breakpoint .* common_routine \\(arg=1\\).*" {
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fail "stopped in main thread at breakpoint for thread 1"
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}
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default {
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fail "continue to bkpt at common_routine in thread 2"
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}
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timeout {
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fail "continue to bkpt at common_routine in thread 2 (timeout)"
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}
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}
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}
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if [runto_main] then {
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test_startup
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check_control_c
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check_backtraces
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}
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