189 lines
6.2 KiB
Diff
189 lines
6.2 KiB
Diff
2005-02-11 Jeff Johnston <jjohnstn@redhat.com>
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* testsuite/gdb.threads/step-thread-exit.c: New testcase.
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* testsuite/gdb.threads/step-thread-exit.exp: Ditto.
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Index: gdb-6.8.50.20081128/gdb/testsuite/gdb.threads/step-thread-exit.c
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===================================================================
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--- /dev/null 1970-01-01 00:00:00.000000000 +0000
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+++ gdb-6.8.50.20081128/gdb/testsuite/gdb.threads/step-thread-exit.c 2008-12-08 22:21:26.000000000 +0100
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@@ -0,0 +1,50 @@
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+/* This testcase is part of GDB, the GNU debugger.
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+
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+ Copyright 2005 Free Software Foundation, Inc.
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+
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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 2 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, write to the Free Software
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+ Foundation, Inc., 59 Temple Place - Suite 330,
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+ Boston, MA 02111-1307, USA. */
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+
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+#include <pthread.h>
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+#include <stdio.h>
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+#include <stdlib.h>
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+#include <unistd.h>
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+
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+void *thread_function (void *ptr)
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+{
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+ int *x = (int *)ptr;
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+ printf("In thread_function, *x is %d\n", *x);
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+} /* thread_function_end */
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+
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+volatile int repeat = 0;
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+
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+main()
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+{
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+ int ret;
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+ pthread_t th;
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+ int i = 3;
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+
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+ ret = pthread_create (&th, NULL, thread_function, &i);
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+ do
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+ {
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+ repeat = 0;
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+ sleep (3); /* sleep */
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+ }
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+ while (repeat);
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+ pthread_join (th, NULL);
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+ return 0;
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+}
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+
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+
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Index: gdb-6.8.50.20081128/gdb/testsuite/gdb.threads/step-thread-exit.exp
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===================================================================
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--- /dev/null 1970-01-01 00:00:00.000000000 +0000
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+++ gdb-6.8.50.20081128/gdb/testsuite/gdb.threads/step-thread-exit.exp 2008-12-08 22:22:14.000000000 +0100
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@@ -0,0 +1,123 @@
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+# This testcase is part of GDB, the GNU debugger.
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+
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+# Copyright 2005 Free Software Foundation, Inc.
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+
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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 2 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, write to the Free Software
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+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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+
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+# Check that GDB can step over a thread exit.
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+
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+set testfile "step-thread-exit"
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+set srcfile ${testfile}.c
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+set binfile ${objdir}/${subdir}/${testfile}
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+if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug "incdir=${objdir}"]] != "" } {
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+ return -1
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+}
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+
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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 ${binfile}
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+
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+# Reset the debug file directory so we can't debug within the C library
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+gdb_test "set debug-file-directory ." "" ""
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+
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+#
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+# Run to `main' where we begin our tests.
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+#
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+
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+if ![runto_main] then {
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+ gdb_suppress_tests
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+}
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+
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+# FIXME: Currently the main thread will escape/exit before our thread finishes
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+# without this setting.
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+gdb_test "set scheduler-locking step"
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+gdb_test "show scheduler-locking" "Mode for locking scheduler during execution is \"step\"." "check scheduler-locking first"
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+
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+set sleep_line [expr [gdb_get_line_number "sleep"]]
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+set end_line [expr [gdb_get_line_number "thread_function_end"]]
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+
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+gdb_breakpoint "$end_line"
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+gdb_test "continue" "Break.*thread_function.*" "continue to thread_function 1"
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+
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+# Keep nexting until we cause the thread to exit. We expect the main
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+# thread to be stopped and a message printed to tell us we have stepped
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+# over the thread exit.
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+set test "step over thread exit 1"
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+gdb_test_multiple "next" "$test" {
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+ -re "\}.*$gdb_prompt $" {
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+ send_gdb "next\n"
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+ exp_continue
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+ }
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+ -re "\[Thread .* exited\].*Program received signal SIGSTOP.*$gdb_prompt $" {
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+ pass "$test"
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+ }
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+ -re "start_thread.*$gdb_prompt $" {
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+ send_gdb "next\n"
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+ exp_continue
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+ }
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+}
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+
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+# Without this fixup we could end up in:
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+# #0 0x00110416 in __kernel_vsyscall ()
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+# #1 0x0011de26 in __lll_unlock_wake_private () from /lib/libpthread.so.0
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+# #2 0x001179f4 in _L_unlock_3164 () from /lib/libpthread.so.0
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+# #3 0x00116f01 in pthread_create@@GLIBC_2.1 () from /lib/libpthread.so.0
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+# #4 0x08048531 in main () at ../.././gdb/testsuite/gdb.threads/step-thread-exit.c:39
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+gdb_breakpoint "$sleep_line"
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+gdb_test "set repeat=1" "" "Get to the sleep function prepare 1"
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+gdb_test "continue" "Break.*$sleep_line.*" "Get to the sleep function 1"
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+
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+gdb_test "bt" "main.*$sleep_line.*" "backtrace after step 1"
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+
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+runto_main
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+gdb_test "show scheduler-locking" "Mode for locking scheduler during execution is \"step\"." "check scheduler-locking second"
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+
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+gdb_breakpoint "$sleep_line"
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+gdb_breakpoint "$end_line"
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+set test "continue to thread_function 2"
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+gdb_test_multiple "continue" "$test" {
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+ -re "Break.*thread_function.*$gdb_prompt $" {
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+ pass $test
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+ }
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+ -re "Break.*$sleep_line.*$gdb_prompt $" {
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+ gdb_test "set repeat=1" "" ""
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+ send_gdb "continue\n"
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+ exp_continue
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+ }
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+}
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+
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+# Keep nexting until we cause the thread to exit. In this case, we
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+# expect the breakpoint in the main thread to have already triggered
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+# and so we should stop there with a message that we stepped over
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+# the thread exit.
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+set test "step over thread exit 2"
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+gdb_test_multiple "next" "$test" {
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+ -re "\}.*$gdb_prompt $" {
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+ send_gdb "next\n"
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+ exp_continue
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+ }
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+ -re "\[Thread .* exited\].*Break.*$sleep_line.*$gdb_prompt $" {
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+ pass "$test (breakpoint hit)"
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+ }
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+ -re "\[Thread .* exited\].*$gdb_prompt $" {
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+ pass "$test (breakpoint not hit)"
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+ }
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+ -re "start_thread.*$gdb_prompt $" {
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+ send_gdb "next\n"
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+ exp_continue
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+ }
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+}
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+
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