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Diffstat (limited to 'gdb/testsuite/gdb.threads/pthreads.exp')
| -rw-r--r-- | gdb/testsuite/gdb.threads/pthreads.exp | 328 |
1 files changed, 328 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.threads/pthreads.exp b/gdb/testsuite/gdb.threads/pthreads.exp new file mode 100644 index 00000000000..08e4af384d6 --- /dev/null +++ b/gdb/testsuite/gdb.threads/pthreads.exp @@ -0,0 +1,328 @@ +# Copyright (C) 1996, 1997 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 2 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, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +# Please email any bugs, comments, and/or additions to this file to: +# bug-gdb@prep.ai.mit.edu + +# This file was written by Fred Fish. (fnf@cygnus.com) + +if $tracelevel then { + strace $tracelevel +} + +set prms_id 0 +set bug_id 0 + +# This only works with native configurations +if ![isnative] then { + return +} + +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 "\[^\n\r\]*" + +set built_binfile 0 +if [istarget "*-*-linux"] then { + set target_cflags "-D_MIT_POSIX_THREADS" +} else { + set target_cflags "" +} +set why_msg "unrecognized error" +foreach lib {-lpthreads -lpthread} { + set options "debug" + lappend options "incdir=${objdir}/${subdir}" + lappend options "libs=$lib" + set ccout [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable $options] + switch -regexp -- $ccout { + ".*no posix threads support.*" { + set why_msg "missing threads include file" + break + } + ".*cannot open -lpthread.*" { + set why_msg "missing runtime threads library" + } + ".*Can't find library for -lpthread.*" { + set why_msg "missing runtime threads library" + } + {^$} { + pass "successfully compiled posix threads test case" + set built_binfile 1 + break + } + } +} +if {$built_binfile == "0"} { + unsupported "Couldn't compile ${srcfile}, ${why_msg}" + return -1 +} + +# Now we can proceed with the real testing. + +# Start with a fresh gdb. + +gdb_exit +gdb_start +gdb_reinitialize_dir $srcdir/$subdir +gdb_load ${binfile} + +gdb_test "set print sevenbit-strings" "" +#gdb_test "set print address off" "" +gdb_test "set width 0" "" + +# We'll need this when we send_gdb a ^C to GDB. Need to do it before we +# run the program and gdb starts saving and restoring tty states. +# On Ultrix, we don't need it and it is really slow (because shell_escape +# doesn't use vfork). +if ![istarget "*-*-ultrix*"] then { + gdb_test "shell stty intr '^C'" "" +} + +proc all_threads_running {} { + global gdb_prompt + global srcfile + + # Reset all the counters to zero. + gdb_test "set var common_routine::hits=0" "" + gdb_test "set var common_routine::from_thread1=0" "" + gdb_test "set var common_routine::from_thread2=0" "" + gdb_test "set var common_routine::from_main=0" "" + gdb_test "set var common_routine::full_coverage=0" "" + + # Disable all breakpoints. + gdb_test "disable" "" + + # Set up a breakpoint that will cause us to stop when we have + # been called 15 times. This should be plenty of time to allow + # every thread to run at least once, since each thread sleeps for + # one second between calls to common_routine. + gdb_test "tbreak common_routine if hits == 15" "" + + # Start all the threads running again and wait for the inferior + # to stop. Since no other breakpoints are set at this time + # we should stop only when we have been previously called 15 times. + + send_gdb "continue\n" + gdb_expect { + -re "Continuing.*common_routine.*at.*$srcfile.*$gdb_prompt $" {} + default { + fail "continue until common routine run 15 times" + return 0 + } + timeout { + fail "continue until common routine run 15 times (timeout)" + return 0 + } + } + + # Check that we stopped when we actually expected to stop, by + # verifying that there have been 15 previous hits. + + send_gdb "p common_routine::hits\n" + gdb_expect { + -re ".*= 15\r\n$gdb_prompt $" {} + default { + fail "stopped before calling common_routine 15 times" + return 0 + } + -re ".*$gdb_prompt $" { + fail "stopped before calling common_routine 15 times" + return 0 + } + timeout { + fail "stopped before calling common_routine 15 times (timeout)" + return 0 + } + } + + # Also check that all of the threads have run, which will only be true + # if the full_coverage variable is set. + + send_gdb "p common_routine::full_coverage\n" + gdb_expect { + -re ".*= 1\r\n$gdb_prompt $" {} + default { + fail "some threads didn't run" + return 0 + } + timeout { + fail "some threads didn't run (timeout)" + return 0 + } + } + + # Looks fine, return success. + return 1 +} + +proc test_startup {} { + global srcdir srcfile gdb_prompt expect_out + global horiz + global main_id thread1_id thread2_id + + # We should be able to do an info threads before starting any others. + send_gdb "info threads\n" + gdb_expect { + -re ".*Thread.*LWP.*main.*$gdb_prompt $" { + pass "info threads" + } + -re "\r\n$gdb_prompt $" { + pass "info threads" + setup_xfail "*-*-*" + fail "gdb does not support pthreads for this machine" + return 0 + } + } + + # Extract the thread id number of main thread from "info threads" output. + send_gdb "info threads\n" + gdb_expect -re "(\[0-9\]+)(${horiz}Thread${horiz}main.*)($gdb_prompt $)" + set main_id $expect_out(1,string) + + # Check that we can continue and create the first thread. + gdb_test "break thread1" "Breakpoint .* file .*$srcdir.*" + gdb_test "continue" \ + "Continuing.*Breakpoint .*, thread1 \\(arg=0xfeedface\\).*at.*$srcfile.*" \ + "Continue to creation of first thread" + gdb_test "disable" "" + + # Extract the thread id number of thread 1 from "info threads" output. + send_gdb "info threads\n" + gdb_expect -re "(\[0-9\]+)(${horiz}Thread${horiz}thread1.*)($gdb_prompt $)" + set thread1_id $expect_out(1,string) + + # Check that we can continue and create the second thread, + # ignoring the first thread for the moment. + gdb_test "break thread2" "Breakpoint .* file .*$srcdir.*" + 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. + send_gdb "info threads\n" + gdb_expect -re "(\[0-9\]+)(${horiz}Thread${horiz}thread2.*)($gdb_prompt $)" + set thread2_id $expect_out(1,string) + + return 1 +} + +proc check_control_c {} { + global gdb_prompt + + # Verify that all threads are running. + if [all_threads_running] then { + pass "All threads running after startup" + } + + # Send a continue followed by ^C to the process to stop it. + send_gdb "continue\n" + set description "Stopped with a ^C" + after 1000 [send_gdb "\003"] + gdb_expect { + -re "Program received signal SIGINT.*$gdb_prompt $" { + pass $description + } + -re "Quit.*$gdb_prompt $" { + pass $description + } + timeout { + fail "$description (timeout)" + } + } + 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" + } +} + +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 $thread2_id" \ + "Breakpoint .* at 0x.* file .* line .*" \ + "set break at common_routine in thread 2" + + send_gdb "continue\n" + gdb_expect { + -re "Breakpoint .* common_routine \\(arg=2\\).*" { + send_gdb "backtrace\n" + gdb_expect { + -re "#0.*common_routine \\(arg=2\\).*#1.*thread2.*" { + pass "backtrace from thread 2 bkpt in common_routine" + } + default { + fail "backtrace from thread 2 bkpt in common_routine" + } + timeout { + fail "backtrace from thread 2 bkpt in common_routine (timeout)" + } + } + } + -re "Breakpoint .* common_routine \\(arg=0\\).*" { + fail "stopped in main thread at breakpoint for thread 2" + } + -re "Breakpoint .* common_routine \\(arg=1\\).*" { + fail "stopped in main thread at breakpoint for thread 1" + } + -re ".*$gdb_prompt" { + fail "continue to bkpt at common_routine in thread 2" + } + default { + fail "continue to bkpt at common_routine in thread 2" + } + timeout { + fail "continue to bkpt at common_routine in thread 2 (timeout)" + } + } +} + +setup_xfail "alpha-*-osf*" +if [runto_main] then { + clear_xfail "alpha-*-osf*" + if [test_startup] then { + check_control_c + check_backtraces + } +} +clear_xfail "alpha-*-osf*" |