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Diffstat (limited to 'gdb/testsuite/gdb.threads/step2.exp')
| -rw-r--r-- | gdb/testsuite/gdb.threads/step2.exp | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.threads/step2.exp b/gdb/testsuite/gdb.threads/step2.exp new file mode 100644 index 00000000000..5442e6aef6f --- /dev/null +++ b/gdb/testsuite/gdb.threads/step2.exp @@ -0,0 +1,150 @@ +# step2.exp -- Expect script to test gdb step.c +# Copyright (C) 1992, 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 Jeff Law. (law@cygnus.com) +# + + +if $tracelevel then { + strace $tracelevel +} + +set program_exited 0 + +# A simple and crude test to see that we can step two threads independently +proc test_multi_threaded_stepping {} { + global gdb_prompt + global hex + global srcfile + global decimal + + # Set breakpoints in code that we know is executed in only + # thread of control. + gdb_test "break thread1" \ + "Break.* at $hex: file .*$srcfile, line $decimal\\." + gdb_test "break thread2" \ + "Break.* at $hex: file .*$srcfile, line $decimal\\." + + # the order in which things happen is indeterminate. So we basically + # look for a set of events and note that each one happens and that + # all of the required events have happened when we're done. + # + # Right now we only verify that both threads start and that they + # both call pthread_cond_wait twice. + set thread1started 0 + set thread1condwait 0 + set thread2started 0 + set thread2condwait 0 + + send_gdb "run\n" + gdb_expect { + -re "The program .* has been started already.*y or n. $" { + send_gdb "y\n" + exp_continue + } + -re ".*Breakpoint \[0-9\]+,.*thread1.* at .*$srcfile:.*\[\t \].*$gdb_prompt $" { + if { $thread1started != 0 } then { + fail "thread1 started" + return + } else { + set thread1started 1 + pass "thread1 started" + } + send_gdb "step\n" + exp_continue + } + -re ".*Breakpoint \[0-9\]+,.*thread2.* at .*$srcfile:.*\[\t \].*$gdb_prompt $" { + if { $thread2started != 0 } then { + fail "thread2 started" + return + } else { + set thread2started 1 + pass "thread2 started" + } + send_gdb "step\n" + exp_continue + } + -re ".*pthread_cond_wait.*cv_a.*$gdb_prompt" { + if { $thread1started == 0 } then { + fail "thread1 condwait" + return + } + if { $thread1condwait < 2 } then { + pass "thread1 condwait" + incr thread1condwait + } + if { $thread2condwait == 2 } then { + pass "multi threaded stepping" + return + } + send_gdb "step\n" + exp_continue + } + + -re ".*pthread_cond_wait.*cv_b.*$gdb_prompt" { + if { $thread2started == 0 } then { + fail "thread2 condwait" + return + } + if { $thread2condwait < 2 } then { + pass "thread2 condwait" + incr thread2condwait + } + if { $thread1condwait == 2 } then { + pass "multi threaded stepping" + return + } + send_gdb "step\n" + exp_continue + } + + -re "$gdb_prompt" { + send_gdb "step\n" + exp_continue + } + default { fail "multi threaded stepping" } + } +} + +# Check to see if we have an executable to test. If not, then either we +# haven't tried to compile one, or the compilation failed for some reason. +# In either case, just notify the user and skip the tests in this file. + +set binfile "step" +set srcfile "step.c" + +if ![file exists $objdir/$subdir/$binfile] then { + if $all_flag then { + warning "$binfile does not exist; tests suppressed." + } + return +} + +set prms_id 0 +set bug_id 0 + +# Start with a fresh gdb. + +gdb_exit +gdb_start +gdb_reinitialize_dir $srcdir/$subdir +gdb_load $objdir/$subdir/$binfile + +test_multi_threaded_stepping |