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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 | |
e22f8b7c | 7 | # the Free Software Foundation; either version 3 of the License, or |
5633ea5c JJ |
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 | |
e22f8b7c | 16 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
5633ea5c JJ |
17 | |
18 | # Check that GDB can support multiple watchpoints across threads. | |
19 | ||
20 | if $tracelevel { | |
21 | strace $tracelevel | |
22 | } | |
23 | ||
24 | set prms_id 0 | |
25 | set bug_id 0 | |
26 | ||
27 | # This test verifies that a watchpoint is detected in the proper thread | |
28 | # so the test is only meaningful on a system with hardware watchpoints. | |
29 | if [target_info exists gdb,no_hardware_watchpoints] { | |
30 | return 0; | |
31 | } | |
32 | ||
e1923096 | 33 | set testfile "watchthreads" |
5633ea5c JJ |
34 | set srcfile ${testfile}.c |
35 | set binfile ${objdir}/${subdir}/${testfile} | |
36 | if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug "incdir=${objdir}"]] != "" } { | |
37 | return -1 | |
38 | } | |
39 | ||
40 | gdb_exit | |
41 | gdb_start | |
42 | gdb_reinitialize_dir $srcdir/$subdir | |
43 | gdb_load ${binfile} | |
44 | ||
45 | gdb_test "set can-use-hw-watchpoints 1" "" "" | |
46 | ||
47 | # | |
48 | # Run to `main' where we begin our tests. | |
49 | # | |
50 | ||
51 | if ![runto_main] then { | |
52 | gdb_suppress_tests | |
53 | } | |
54 | ||
55 | set args_0 0 | |
56 | set args_1 0 | |
57 | ||
58 | # Watch values that will be modified by distinct threads. | |
59 | gdb_test "watch args\[0\]" "Hardware watchpoint 2: args\\\[0\\\]" | |
60 | gdb_test "watch args\[1\]" "Hardware watchpoint 3: args\\\[1\\\]" | |
61 | ||
e1923096 JJ |
62 | set init_line [expr [gdb_get_line_number "Init value"]+1] |
63 | set inc_line [gdb_get_line_number "Loop increment"] | |
64 | ||
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65 | # Loop and continue to allow both watchpoints to be triggered. |
66 | for {set i 0} {$i < 30} {incr i} { | |
67 | set test_flag 0 | |
68 | gdb_test_multiple "continue" "threaded watch loop" { | |
e1923096 | 69 | -re "Hardware watchpoint 2: args\\\[0\\\].*Old value = 0.*New value = 1.*main \\\(\\\) at .*watchthreads.c:$init_line.*$gdb_prompt $" |
5633ea5c | 70 | { set args_0 1; set test_flag 1 } |
e1923096 | 71 | -re "Hardware watchpoint 3: args\\\[1\\\].*Old value = 0.*New value = 1.*main \\\(\\\) at .*watchthreads.c:$init_line.*$gdb_prompt $" |
5633ea5c | 72 | { set args_1 1; set test_flag 1 } |
e1923096 | 73 | -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 | 74 | { set args_0 [expr $args_0+1]; set test_flag 1 } |
e1923096 | 75 | -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 $" |
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76 | { set args_1 [expr $args_1+1]; set test_flag 1 } |
77 | } | |
78 | # If we fail above, don't bother continuing loop | |
79 | if { $test_flag == 0 } { | |
80 | set i 30; | |
81 | } | |
82 | } | |
83 | ||
84 | # Print success message if loop succeeded. | |
85 | if { $test_flag == 1 } { | |
86 | pass "threaded watch loop" | |
87 | } | |
88 | ||
89 | # Verify that we hit first watchpoint in main thread. | |
90 | set message "first watchpoint on args\[0\] hit" | |
91 | if { $args_0 > 0 } { | |
92 | pass $message | |
93 | } else { | |
94 | fail $message | |
95 | } | |
96 | ||
97 | # Verify that we hit second watchpoint in main thread. | |
98 | set message "first watchpoint on args\[1\] hit" | |
99 | if { $args_1 > 0 } { | |
100 | pass $message | |
101 | } else { | |
102 | fail $message | |
103 | } | |
104 | ||
105 | # Verify that we hit first watchpoint in child thread. | |
106 | set message "watchpoint on args\[0\] hit in thread" | |
107 | if { $args_0 > 1 } { | |
108 | pass $message | |
109 | } else { | |
110 | fail $message | |
111 | } | |
112 | ||
113 | # Verify that we hit second watchpoint in child thread. | |
114 | set message "watchpoint on args\[1\] hit in thread" | |
115 | if { $args_1 > 1 } { | |
116 | pass $message | |
117 | } else { | |
118 | fail $message | |
119 | } | |
120 | ||
121 | # Verify that all watchpoint hits are accounted for. | |
122 | set message "combination of threaded watchpoints = 30" | |
123 | if { [expr $args_0+$args_1] == 30 } { | |
124 | pass $message | |
125 | } else { | |
126 | fail $message | |
127 | } |