1# This testcase is part of GDB, the GNU debugger.
2
3# Copyright 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
4
5# This program is free software; you can redistribute it and/or modify
6# it under the terms of the GNU General Public License as published by
7# the Free Software Foundation; either version 3 of the License, or
8# (at your option) any later version.
9#
10# This program is distributed in the hope that it will be useful,
11# but WITHOUT ANY WARRANTY; without even the implied warranty of
12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13# GNU General Public License for more details.
14#
15# You should have received a copy of the GNU General Public License
16# along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
17
18# watch-thread_num.exp   Test thread <thread_num> parameter for
19#                        watch commands.
20#
21
22if $tracelevel then {
23	strace $tracelevel
24}
25
26# This test verifies that a watchpoint is detected in the proper thread
27# so the test is only meaningful on a system with hardware watchpoints.
28if {[skip_hw_watchpoint_tests]} {
29    return 0
30}
31
32set testfile watch_thread_num
33set srcfile ${testfile}.c
34set binfile ${objdir}/${subdir}/${testfile}
35
36# What compiler are we using?
37#
38if [get_compiler_info ${binfile}] {
39    return -1
40}
41
42if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
43    return -1
44}
45
46gdb_exit
47gdb_start
48gdb_reinitialize_dir $srcdir/$subdir
49gdb_load ${binfile}
50
51if { ![runto main] } then {
52   fail "run to main"
53   return
54}
55
56gdb_test "watch shared_var thread 0" "Unknown thread 0\." "Watchpoint on invalid thread"
57gdb_test "watch shared_var thread" "A syntax error in expression, near `thread'\." "Invalid watch syntax"
58
59gdb_test "Next 5" ".*"
60
61gdb_test "break thread_function" "Breakpoint \[0-9\].*" \
62  "Set breakpoint at thread_function"
63
64gdb_test "continue" ".*Breakpoint 2.*" "Stopped in thread_function"
65
66gdb_test_multiple "thread" "Thread command" {
67    -re ".*Current thread is (\[0-9\]*).*$gdb_prompt $" {
68	pass "Thread command"
69    }
70}
71
72set thread_num "$expect_out(1,string)"
73
74gdb_test_no_output "disable 2" "Disable breakpoint 2"
75gdb_test "watch shared_var thread $thread_num" "Hardware watchpoint 3: shared_var" "Watchpoint on shared variable"
76gdb_test "info breakpoint 3" "stop only in thread $thread_num"
77
78for {set i 1} {$i <= 10} {incr i 1} {
79    set watchpoint "Watchpoint triggered iteration $i"
80    set check "Check thread that triggered iteration $i"
81
82    gdb_test "continue" "Hardware watchpoint 3: shared_var.*" $watchpoint
83    gdb_test "thread" ".*Current thread is $thread_num .*" $check
84}
85
86