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1 | # This testcase is part of GDB, the GNU debugger. |
2 | ||
6aba47ca | 3 | # Copyright 2004, 2007 Free Software Foundation, Inc. |
5633ea5c JJ |
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 2 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, write to the Free Software | |
17 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
18 | ||
19 | # Check that GDB can support multiple watchpoints across threads. | |
20 | ||
21 | if $tracelevel { | |
22 | strace $tracelevel | |
23 | } | |
24 | ||
25 | set prms_id 0 | |
26 | set bug_id 0 | |
27 | ||
28 | # This test verifies that a watchpoint is detected in the proper thread | |
29 | # so the test is only meaningful on a system with hardware watchpoints. | |
30 | if [target_info exists gdb,no_hardware_watchpoints] { | |
31 | return 0; | |
32 | } | |
33 | ||
e1923096 | 34 | set testfile "watchthreads" |
5633ea5c JJ |
35 | set srcfile ${testfile}.c |
36 | set binfile ${objdir}/${subdir}/${testfile} | |
37 | if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug "incdir=${objdir}"]] != "" } { | |
38 | return -1 | |
39 | } | |
40 | ||
41 | gdb_exit | |
42 | gdb_start | |
43 | gdb_reinitialize_dir $srcdir/$subdir | |
44 | gdb_load ${binfile} | |
45 | ||
46 | gdb_test "set can-use-hw-watchpoints 1" "" "" | |
47 | ||
48 | # | |
49 | # Run to `main' where we begin our tests. | |
50 | # | |
51 | ||
52 | if ![runto_main] then { | |
53 | gdb_suppress_tests | |
54 | } | |
55 | ||
56 | set args_0 0 | |
57 | set args_1 0 | |
58 | ||
59 | # Watch values that will be modified by distinct threads. | |
60 | gdb_test "watch args\[0\]" "Hardware watchpoint 2: args\\\[0\\\]" | |
61 | gdb_test "watch args\[1\]" "Hardware watchpoint 3: args\\\[1\\\]" | |
62 | ||
e1923096 JJ |
63 | set init_line [expr [gdb_get_line_number "Init value"]+1] |
64 | set inc_line [gdb_get_line_number "Loop increment"] | |
65 | ||
5633ea5c JJ |
66 | # Loop and continue to allow both watchpoints to be triggered. |
67 | for {set i 0} {$i < 30} {incr i} { | |
68 | set test_flag 0 | |
69 | gdb_test_multiple "continue" "threaded watch loop" { | |
e1923096 | 70 | -re "Hardware watchpoint 2: args\\\[0\\\].*Old value = 0.*New value = 1.*main \\\(\\\) at .*watchthreads.c:$init_line.*$gdb_prompt $" |
5633ea5c | 71 | { set args_0 1; set test_flag 1 } |
e1923096 | 72 | -re "Hardware watchpoint 3: args\\\[1\\\].*Old value = 0.*New value = 1.*main \\\(\\\) at .*watchthreads.c:$init_line.*$gdb_prompt $" |
5633ea5c | 73 | { set args_1 1; set test_flag 1 } |
e1923096 | 74 | -re "Hardware watchpoint 2: args\\\[0\\\].*Old value = $args_0.*New value = [expr $args_0+1].*in thread_function \\\(arg=0x0\\\) at .*watchthreads.c:$inc_line.*$gdb_prompt $" |
5633ea5c | 75 | { set args_0 [expr $args_0+1]; set test_flag 1 } |
e1923096 | 76 | -re "Hardware watchpoint 3: args\\\[1\\\].*Old value = $args_1.*New value = [expr $args_1+1].*in thread_function \\\(arg=0x1\\\) at .*watchthreads.c:$inc_line.*$gdb_prompt $" |
5633ea5c JJ |
77 | { set args_1 [expr $args_1+1]; set test_flag 1 } |
78 | } | |
79 | # If we fail above, don't bother continuing loop | |
80 | if { $test_flag == 0 } { | |
81 | set i 30; | |
82 | } | |
83 | } | |
84 | ||
85 | # Print success message if loop succeeded. | |
86 | if { $test_flag == 1 } { | |
87 | pass "threaded watch loop" | |
88 | } | |
89 | ||
90 | # Verify that we hit first watchpoint in main thread. | |
91 | set message "first watchpoint on args\[0\] hit" | |
92 | if { $args_0 > 0 } { | |
93 | pass $message | |
94 | } else { | |
95 | fail $message | |
96 | } | |
97 | ||
98 | # Verify that we hit second watchpoint in main thread. | |
99 | set message "first watchpoint on args\[1\] hit" | |
100 | if { $args_1 > 0 } { | |
101 | pass $message | |
102 | } else { | |
103 | fail $message | |
104 | } | |
105 | ||
106 | # Verify that we hit first watchpoint in child thread. | |
107 | set message "watchpoint on args\[0\] hit in thread" | |
108 | if { $args_0 > 1 } { | |
109 | pass $message | |
110 | } else { | |
111 | fail $message | |
112 | } | |
113 | ||
114 | # Verify that we hit second watchpoint in child thread. | |
115 | set message "watchpoint on args\[1\] hit in thread" | |
116 | if { $args_1 > 1 } { | |
117 | pass $message | |
118 | } else { | |
119 | fail $message | |
120 | } | |
121 | ||
122 | # Verify that all watchpoint hits are accounted for. | |
123 | set message "combination of threaded watchpoints = 30" | |
124 | if { [expr $args_0+$args_1] == 30 } { | |
125 | pass $message | |
126 | } else { | |
127 | fail $message | |
128 | } |