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openSUSE:Evergreen:11.2:Test
gdb
gdb-6.3-step-thread-exit-20050211-test.patch
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File gdb-6.3-step-thread-exit-20050211-test.patch of Package gdb
2005-02-11 Jeff Johnston <jjohnstn@redhat.com> * testsuite/gdb.threads/step-thread-exit.c: New testcase. * testsuite/gdb.threads/step-thread-exit.exp: Ditto. Index: gdb-6.8.50.20081128/gdb/testsuite/gdb.threads/step-thread-exit.c =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ gdb-6.8.50.20081128/gdb/testsuite/gdb.threads/step-thread-exit.c 2008-12-08 22:21:26.000000000 +0100 @@ -0,0 +1,50 @@ +/* This testcase is part of GDB, the GNU debugger. + + Copyright 2005 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. */ + +#include <pthread.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +void *thread_function (void *ptr) +{ + int *x = (int *)ptr; + printf("In thread_function, *x is %d\n", *x); +} /* thread_function_end */ + +volatile int repeat = 0; + +main() +{ + int ret; + pthread_t th; + int i = 3; + + ret = pthread_create (&th, NULL, thread_function, &i); + do + { + repeat = 0; + sleep (3); /* sleep */ + } + while (repeat); + pthread_join (th, NULL); + return 0; +} + + Index: gdb-6.8.50.20081128/gdb/testsuite/gdb.threads/step-thread-exit.exp =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ gdb-6.8.50.20081128/gdb/testsuite/gdb.threads/step-thread-exit.exp 2008-12-08 22:22:14.000000000 +0100 @@ -0,0 +1,130 @@ +# This testcase is part of GDB, the GNU debugger. + +# Copyright 2005 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. + +# Check that GDB can step over a thread exit. + +if $tracelevel { + strace $tracelevel +} + +set prms_id 0 +set bug_id 0 + +set testfile "step-thread-exit" +set srcfile ${testfile}.c +set binfile ${objdir}/${subdir}/${testfile} +if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug "incdir=${objdir}"]] != "" } { + return -1 +} + +gdb_exit +gdb_start +gdb_reinitialize_dir $srcdir/$subdir +gdb_load ${binfile} + +# Reset the debug file directory so we can't debug within the C library +gdb_test "set debug-file-directory ." "" "" + +# +# Run to `main' where we begin our tests. +# + +if ![runto_main] then { + gdb_suppress_tests +} + +# FIXME: Currently the main thread will escape/exit before our thread finishes +# without this setting. +gdb_test "set scheduler-locking step" +gdb_test "show scheduler-locking" "Mode for locking scheduler during execution is \"step\"." "check scheduler-locking first" + +set sleep_line [expr [gdb_get_line_number "sleep"]] +set end_line [expr [gdb_get_line_number "thread_function_end"]] + +gdb_breakpoint "$end_line" +gdb_test "continue" "Break.*thread_function.*" "continue to thread_function 1" + +# Keep nexting until we cause the thread to exit. We expect the main +# thread to be stopped and a message printed to tell us we have stepped +# over the thread exit. +set test "step over thread exit 1" +gdb_test_multiple "next" "$test" { + -re "\}.*$gdb_prompt $" { + send_gdb "next\n" + exp_continue + } + -re "\[Thread .* exited\].*Program received signal SIGSTOP.*$gdb_prompt $" { + pass "$test" + } + -re "start_thread.*$gdb_prompt $" { + send_gdb "next\n" + exp_continue + } +} + +# Without this fixup we could end up in: +# #0 0x00110416 in __kernel_vsyscall () +# #1 0x0011de26 in __lll_unlock_wake_private () from /lib/libpthread.so.0 +# #2 0x001179f4 in _L_unlock_3164 () from /lib/libpthread.so.0 +# #3 0x00116f01 in pthread_create@@GLIBC_2.1 () from /lib/libpthread.so.0 +# #4 0x08048531 in main () at ../.././gdb/testsuite/gdb.threads/step-thread-exit.c:39 +gdb_breakpoint "$sleep_line" +gdb_test "set repeat=1" "" "Get to the sleep function prepare 1" +gdb_test "continue" "Break.*$sleep_line.*" "Get to the sleep function 1" + +gdb_test "bt" "main.*$sleep_line.*" "backtrace after step 1" + +runto_main +gdb_test "show scheduler-locking" "Mode for locking scheduler during execution is \"step\"." "check scheduler-locking second" + +gdb_breakpoint "$sleep_line" +gdb_breakpoint "$end_line" +set test "continue to thread_function 2" +gdb_test_multiple "continue" "$test" { + -re "Break.*thread_function.*$gdb_prompt $" { + pass $test + } + -re "Break.*$sleep_line.*$gdb_prompt $" { + gdb_test "set repeat=1" "" "" + send_gdb "continue\n" + exp_continue + } +} + +# Keep nexting until we cause the thread to exit. In this case, we +# expect the breakpoint in the main thread to have already triggered +# and so we should stop there with a message that we stepped over +# the thread exit. +set test "step over thread exit 2" +gdb_test_multiple "next" "$test" { + -re "\}.*$gdb_prompt $" { + send_gdb "next\n" + exp_continue + } + -re "\[Thread .* exited\].*Break.*$sleep_line.*$gdb_prompt $" { + pass "$test (breakpoint hit)" + } + -re "\[Thread .* exited\].*$gdb_prompt $" { + pass "$test (breakpoint not hit)" + } + -re "start_thread.*$gdb_prompt $" { + send_gdb "next\n" + exp_continue + } +} +
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