e22f8b7c8c
Switch the license of all .f and .f90 files to GPLv3.
Switch the license of all .s and .S files to GPLv3.
332 lines
9.6 KiB
Text
332 lines
9.6 KiB
Text
# Copyright (C) 1996, 1997, 1999, 2000, 2001, 2002, 2003, 2004, 2007
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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 <http://www.gnu.org/licenses/>.
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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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# 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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# 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 "set print sevenbit-strings" ""
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#gdb_test "set print address off" ""
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gdb_test "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 "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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# Disable all breakpoints.
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gdb_test "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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send_gdb "continue\n"
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gdb_expect {
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-re "Continuing.*common_routine.*at.*$srcfile.*$gdb_prompt $" {}
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default {
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fail "continue until common routine run 15 times"
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return 0
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}
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timeout {
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fail "continue until common routine run 15 times (timeout)"
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return 0
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}
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}
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# Check that we stopped when we actually expected to stop, by
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# verifying that there have been 15 previous hits.
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# NOTE: Because of synchronization behavior, it is possible for
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# more than one thread to increment "hits" between one breakpoint
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# trap and the next. So stopping after 16 or 17 hits should be
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# considered acceptable.
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send_gdb "p common_routine::hits\n"
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gdb_expect {
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-re ".*= 15\r\n$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 $" {
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pass "stopped before calling common_routine 15 times (17 times)"
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}
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default {
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fail "stopped before calling common_routine 15 times"
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return 0
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}
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-re ".*$gdb_prompt $" {
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fail "stopped before calling common_routine 15 times"
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return 0
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}
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timeout {
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fail "stopped before calling common_routine 15 times (timeout)"
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return 0
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}
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}
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# Also check that all of the threads have run, which will only be true
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# if the full_coverage variable is set.
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send_gdb "p common_routine::full_coverage\n"
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gdb_expect {
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-re ".* = 1.*$gdb_prompt $" {}
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-re ".* = 0.*$gdb_prompt $" {
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fail "some threads didn't run"
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return 0
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}
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default {
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fail "some threads didn't run"
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return 0
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}
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timeout {
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fail "some threads didn't run (timeout)"
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return 0
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}
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}
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# Looks fine, return success.
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return 1
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}
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proc test_startup {} {
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global srcdir srcfile gdb_prompt expect_out
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global horiz
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global main_id thread1_id thread2_id
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# We should be able to do an info threads before starting any others.
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send_gdb "info threads\n"
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gdb_expect {
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-re ".*Thread.*main.*$gdb_prompt $" {
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pass "info threads"
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}
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-re "\r\n$gdb_prompt $" {
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unsupported "gdb does not support pthreads for this machine"
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return 0
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}
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}
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# Extract the thread id number of main thread from "info threads" output.
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send_gdb "info threads\n"
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gdb_expect -re "(\[0-9\]+)(${horiz}Thread${horiz}main.*)($gdb_prompt $)"
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set main_id $expect_out(1,string)
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# Check that we can continue and create the first thread.
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gdb_test "break thread1" "Breakpoint .* file .*$srcfile.*"
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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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gdb_test "disable" ""
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# Extract the thread id number of thread 1 from "info threads" output.
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send_gdb "info threads\n"
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gdb_expect -re "(\[0-9\]+)(${horiz}Thread${horiz}thread1.*)($gdb_prompt $)"
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set thread1_id $expect_out(1,string)
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# Check that we can continue and create the second thread,
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# ignoring the first thread for the moment.
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gdb_test "break thread2" "Breakpoint .* file .*$srcfile.*"
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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_gdb "info threads\n"
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gdb_expect -re "(\[0-9\]+)(${horiz}Thread${horiz}thread2.*)($gdb_prompt $)"
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set thread2_id $expect_out(1,string)
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return 1
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}
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proc check_control_c {} {
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global gdb_prompt
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# Verify that all threads are running.
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if [all_threads_running] then {
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pass "All threads running after startup"
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}
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# Send a continue followed by ^C to the process to stop it.
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send_gdb "continue\n"
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gdb_expect {
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-re "Continuing." {
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pass "Continue with all threads running"
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}
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timeout {
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fail "Continue with all threads running (timeout)"
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}
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}
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after 2000
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send_gdb "\003"
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set description "Stopped with a ^C"
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gdb_expect {
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-re "Program received signal SIGINT.*$gdb_prompt $" {
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pass $description
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}
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-re "Quit.*$gdb_prompt $" {
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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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return 1;
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}
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}
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gdb_test "bt" ""
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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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return 0;
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}
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proc check_backtraces {} {
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global gdb_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_gdb "continue\n"
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gdb_expect {
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-re "Breakpoint .* common_routine \\(arg=2\\).*" {
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pass "continue to bkpt at common_routine in thread 2"
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send_gdb "backtrace\n"
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gdb_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 "continue to bkpt at common_routine in thread 2 (arg=0)"
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}
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-re "Breakpoint .* common_routine \\(arg=1\\).*" {
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fail "continue to bkpt at common_routine in thread 2 (arg=1)"
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}
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-re ".*$gdb_prompt" {
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fail "continue to bkpt at common_routine in thread 2"
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}
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default {
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fail "continue to bkpt at common_routine in thread 2 (default)"
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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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setup_xfail "alpha-*-osf*"
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if [runto_main] then {
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clear_xfail "alpha-*-osf*"
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if [test_startup] then {
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if [check_control_c] then {
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warning "Could not stop child with ^C; skipping rest of tests.\n"
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return;
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}
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check_backtraces
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}
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}
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clear_xfail "alpha-*-osf*"
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