| # Copyright (C) 1996-1997, 1999-2004, 2007-2012 Free Software |
| # Foundation, Inc. |
| |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 3 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| |
| # This file was written by Fred Fish. (fnf@cygnus.com) |
| |
| |
| set testfile "pthreads" |
| set srcfile ${testfile}.c |
| set binfile ${objdir}/${subdir}/${testfile} |
| |
| # regexp for "horizontal" text (i.e. doesn't include newline or |
| # carriage return) |
| set horiz "\[^\n\r\]*" |
| |
| if [istarget "*-*-linux"] then { |
| set target_cflags "-D_MIT_POSIX_THREADS" |
| } else { |
| set target_cflags "" |
| } |
| |
| if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug "incdir=${objdir}"]] != "" } { |
| return -1 |
| } |
| |
| |
| # Start with a fresh gdb. |
| |
| gdb_exit |
| gdb_start |
| gdb_reinitialize_dir $srcdir/$subdir |
| gdb_load ${binfile} |
| |
| gdb_test_no_output "set print sevenbit-strings" |
| #gdb_test_no_output "set print address off" |
| gdb_test_no_output "set width 0" |
| |
| # We'll need this when we send_gdb a ^C to GDB. Need to do it before we |
| # run the program and gdb starts saving and restoring tty states. |
| # On Ultrix, we don't need it and it is really slow (because shell_escape |
| # doesn't use vfork). |
| if ![istarget "*-*-ultrix*"] then { |
| gdb_test "shell stty intr '^C'" ".*" |
| } |
| |
| proc all_threads_running {} { |
| global gdb_prompt |
| global srcfile |
| |
| # Reset all the counters to zero. |
| gdb_test_no_output "set var common_routine::hits=0" |
| gdb_test_no_output "set var common_routine::from_thread1=0" |
| gdb_test_no_output "set var common_routine::from_thread2=0" |
| gdb_test_no_output "set var common_routine::from_main=0" |
| gdb_test_no_output "set var common_routine::full_coverage=0" |
| |
| # Disable all breakpoints. |
| gdb_test_no_output "disable" |
| |
| # Set up a breakpoint that will cause us to stop when we have |
| # been called 15 times. This should be plenty of time to allow |
| # every thread to run at least once, since each thread sleeps for |
| # one second between calls to common_routine. |
| gdb_test "tbreak common_routine if hits >= 15" ".*" |
| |
| # Start all the threads running again and wait for the inferior |
| # to stop. Since no other breakpoints are set at this time |
| # we should stop only when we have been previously called 15 times. |
| |
| set return_me 1 |
| |
| gdb_test_multiple "continue" "continue until common routine run 15 times" { |
| -re "Continuing.*common_routine.*at.*$srcfile.*$gdb_prompt $" { |
| set return_me 0 |
| } |
| } |
| |
| if { $return_me == 1 } then { |
| return 0; |
| } |
| |
| # Check that we stopped when we actually expected to stop, by |
| # verifying that there have been 15 previous hits. |
| |
| # NOTE: Because of synchronization behavior, it is possible for |
| # more than one thread to increment "hits" between one breakpoint |
| # trap and the next. So stopping after 16 or 17 hits should be |
| # considered acceptable. |
| |
| gdb_test_multiple "p common_routine::hits" \ |
| "stopped before calling common_routine 15 times" { |
| -re ".*= 15\r\n$gdb_prompt $" { |
| pass "stopped before calling common_routine 15 times" |
| } |
| -re ".*= 16\r\n$gdb_prompt $" { |
| pass "stopped before calling common_routine 15 times (16 times)" |
| } |
| -re ".*= 17\r\n$gdb_prompt $" { |
| pass "stopped before calling common_routine 15 times (17 times)" |
| } |
| } |
| |
| # Also check that all of the threads have run, which will only be true |
| # if the full_coverage variable is set. |
| |
| set return_me 1 |
| gdb_test_multiple "p common_routine::full_coverage" \ |
| "some threads didn't run" { |
| -re ".* = 1.*$gdb_prompt $" { |
| } |
| -re ".* = 0.*$gdb_prompt $" { |
| fail "some threads didn't run" |
| set return_me 0 |
| } |
| } |
| |
| # Looks fine, return success. |
| return $return_me |
| } |
| |
| proc test_startup {} { |
| global srcdir srcfile gdb_prompt expect_out |
| global horiz |
| global main_id thread1_id thread2_id |
| |
| # We should be able to do an info threads before starting any others. |
| set return_me 1 |
| gdb_test_multiple "info threads" "info threads" { |
| -re ".*Thread.*main.*$gdb_prompt $" { |
| pass "info threads" |
| set return_me 0 |
| } |
| -re "\r\n$gdb_prompt $" { |
| unsupported "gdb does not support pthreads for this machine" |
| } |
| } |
| |
| if { $return_me == 1 } then { |
| return 0; |
| } |
| |
| # Extract the thread id number of main thread from "info threads" output. |
| gdb_test_multiple "info threads" "get main thread id" { |
| -re "(\[0-9\]+)(${horiz}Thread${horiz}main.*)($gdb_prompt $)" { |
| } |
| } |
| |
| set main_id $expect_out(1,string) |
| |
| # Check that we can continue and create the first thread. |
| gdb_test "break thread1" "Breakpoint .* file .*$srcfile.*" |
| gdb_test "continue" \ |
| "Continuing.*Breakpoint .*, thread1 \\(arg=0xfeedface\\).*at.*$srcfile.*" \ |
| "Continue to creation of first thread" |
| gdb_test_no_output "disable" |
| |
| # Extract the thread id number of thread 1 from "info threads" output. |
| gdb_test_multiple "info threads" "get thread 1 id" { |
| -re "(\[0-9\]+)(${horiz}Thread${horiz}thread1.*)($gdb_prompt $)" { |
| } |
| } |
| |
| set thread1_id $expect_out(1,string) |
| |
| # Check that we can continue and create the second thread, |
| # ignoring the first thread for the moment. |
| gdb_test "break thread2" "Breakpoint .* file .*$srcfile.*" |
| gdb_test "continue" \ |
| "Continuing.*Breakpoint .*, thread2 \\(arg=0xdeadbeef\\).*at.*$srcfile.*" \ |
| "Continue to creation of second thread" |
| |
| # Extract the thread id number of thread 2 from "info threads" output. |
| gdb_test_multiple "info threads" "get thread 2 id" { |
| -re "(\[0-9\]+)(${horiz}Thread${horiz}thread2.*)($gdb_prompt $)" { |
| } |
| } |
| |
| set thread2_id $expect_out(1,string) |
| |
| return 1 |
| } |
| |
| proc check_control_c {} { |
| global gdb_prompt |
| |
| # Verify that all threads are running. |
| if [all_threads_running] then { |
| pass "All threads running after startup" |
| } |
| |
| # Send a continue followed by ^C to the process to stop it. |
| gdb_test_multiple "continue" "continue with all threads running" { |
| -re "Continuing." { |
| pass "Continue with all threads running" |
| } |
| } |
| after 2000 |
| send_gdb "\003" |
| set description "Stopped with a ^C" |
| gdb_expect { |
| -re "Program received signal SIGINT.*$gdb_prompt $" { |
| pass $description |
| } |
| -re "Quit.*$gdb_prompt $" { |
| pass $description |
| } |
| timeout { |
| fail "$description (timeout)" |
| return 1; |
| } |
| } |
| gdb_test "bt" ".*" |
| |
| # Verify that all threads can be run again after a ^C stop. |
| if [all_threads_running] then { |
| pass "All threads running after continuing from ^C stop" |
| } |
| return 0; |
| } |
| |
| proc check_backtraces {} { |
| global gdb_prompt main_id thread1_id thread2_id |
| |
| # Check that the "thread apply N backtrace" command works |
| |
| gdb_test "thread apply $main_id backtrace" \ |
| ".* in main \\(argc=.*, argv=.*\\).*" \ |
| "check backtrace from main thread" |
| gdb_test "thread apply $thread1_id backtrace" \ |
| ".* in thread1 \\(arg=0xfeedface\\).*" \ |
| "check backtrace from thread 1" |
| gdb_test "thread apply $thread2_id backtrace" \ |
| ".* in thread2 \\(arg=0xdeadbeef\\).*" \ |
| "check backtrace from thread 2" |
| |
| # Check that we can apply the backtrace command to all |
| # three threads with a single gdb command |
| |
| gdb_test "thread apply $main_id $thread1_id $thread2_id bt" \ |
| ".* in main .* in thread1 .* in thread2.*" \ |
| "apply backtrace command to all three threads" |
| |
| # Check that we can do thread specific backtraces |
| # This also tests that we can do thread specific breakpoints. |
| |
| gdb_test "break common_routine thread $thread2_id" \ |
| "Breakpoint .* at 0x.* file .* line .*" \ |
| "set break at common_routine in thread 2" |
| |
| gdb_test_multiple "continue" "continue to bkpt at common_routine in thread 2" { |
| -re "Breakpoint .* common_routine \\(arg=2\\).*$gdb_prompt $" { |
| pass "continue to bkpt at common_routine in thread 2" |
| gdb_test "backtrace" \ |
| "#0.*common_routine \\(arg=2\\).*#1.*thread2.*" \ |
| "backtrace from thread 2 bkpt in common_routine" |
| } |
| -re "Breakpoint .* common_routine \\(arg=0\\).*$gdb_prompt $" { |
| fail "continue to bkpt at common_routine in thread 2 (arg=0)" |
| } |
| -re "Breakpoint .* common_routine \\(arg=1\\).*$gdb_prompt $" { |
| fail "continue to bkpt at common_routine in thread 2 (arg=1)" |
| } |
| } |
| } |
| |
| setup_xfail "alpha-*-osf*" |
| if [runto_main] then { |
| clear_xfail "alpha-*-osf*" |
| if [test_startup] then { |
| if [check_control_c] then { |
| warning "Could not stop child with ^C; skipping rest of tests.\n" |
| return; |
| } |
| check_backtraces |
| } |
| } |
| clear_xfail "alpha-*-osf*" |