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e2882c85 | 1 | # Copyright 2008-2018 Free Software Foundation, Inc. |
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2 | |
3 | # This program is free software; you can redistribute it and/or modify | |
4 | # it under the terms of the GNU General Public License as published by | |
5 | # the Free Software Foundation; either version 3 of the License, or | |
6 | # (at your option) any later version. | |
7 | # | |
8 | # This program is distributed in the hope that it will be useful, | |
9 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | # GNU General Public License for more details. | |
12 | # | |
13 | # You should have received a copy of the GNU General Public License | |
14 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
15 | ||
16 | # Based on a file written by Fred Fish. (fnf@cygnus.com) | |
17 | # This file is part of the GDB testsuite. It tests reverse debugging | |
18 | # with watchpoints. | |
19 | ||
20 | ||
d3895d7d | 21 | if ![supports_reverse] { |
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22 | return |
23 | } | |
24 | ||
7686c074 | 25 | standard_testfile |
28d41a99 | 26 | |
5b362f04 | 27 | if { [prepare_for_testing "failed to prepare" $testfile $srcfile] } { |
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28 | return -1 |
29 | } | |
30 | ||
31 | runto main | |
32 | ||
d3895d7d | 33 | if [supports_process_record] { |
28d41a99 | 34 | # Activate process record/replay |
9f058c10 | 35 | gdb_test_no_output "record" "turn on process record" |
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36 | } |
37 | ||
930636d2 | 38 | # Test software watchpoints |
89493308 | 39 | gdb_test_no_output "set can-use-hw-watchpoints 0" "disable hw watchpoints" |
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40 | |
41 | gdb_test "break marker1" \ | |
42 | "Breakpoint $decimal at $hex: file .*$srcfile, line $decimal.*" \ | |
43 | "set breakpoint at marker1" | |
44 | ||
45 | gdb_test "break marker2" \ | |
46 | "Breakpoint $decimal at $hex: file .*$srcfile, line $decimal.*" \ | |
47 | "set breakpoint at marker2" | |
48 | ||
a80db015 | 49 | gdb_continue_to_breakpoint "marker1" ".*$srcfile:.*" |
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50 | |
51 | gdb_test "watch ival3" \ | |
52 | ".*\[Ww\]atchpoint $decimal: ival3.*" \ | |
53 | "set watchpoint on ival3" | |
54 | ||
55 | # Continue until first change, from -1 to 0 | |
56 | ||
57 | gdb_test "continue" \ | |
58 | ".*\[Ww\]atchpoint.*ival3.*Old value = -1.*New value = 0.*ival3 = count; ival4 = count;.*" \ | |
59 | "watchpoint hit, first time" | |
60 | ||
61 | # Continue until the next change, from 0 to 1. | |
62 | gdb_test "continue" \ | |
63 | ".*\[Ww\]atchpoint.*ival3.*Old value = 0.*New value = 1.*ival3 = count; ival4 = count;.*" \ | |
64 | "watchpoint hit, second time" | |
65 | ||
66 | # Continue until the next change, from 1 to 2. | |
67 | gdb_test "continue" \ | |
68 | ".*\[Ww\]atchpoint.*ival3.*Old value = 1.*New value = 2.*ival3 = count; ival4 = count;.*" \ | |
69 | "watchpoint hit, third time" | |
70 | ||
71 | # Continue until the next change, from 2 to 3. | |
72 | gdb_test "continue" \ | |
73 | ".*\[Ww\]atchpoint.*ival3.*Old value = 2.*New value = 3.*ival3 = count; ival4 = count;.*" \ | |
74 | "watchpoint hit, fourth time" | |
75 | ||
76 | # Continue until the next change, from 3 to 4. | |
77 | # Note that this one is outside the loop. | |
78 | ||
79 | gdb_test "continue" \ | |
80 | ".*\[Ww\]atchpoint.*ival3.*Old value = 3.*New value = 4.*ival3 = count; ival4 = count;.*" \ | |
81 | "watchpoint hit, fifth time" | |
82 | ||
83 | # Continue until we hit the finishing marker function. | |
84 | # Make sure we hit no more watchpoints. | |
85 | ||
a80db015 | 86 | gdb_continue_to_breakpoint "marker2" ".*$srcfile:.*" |
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87 | |
88 | ### | |
89 | ### | |
90 | ### | |
91 | ||
bcd2dc50 | 92 | gdb_test_no_output "set exec-direction reverse" "set reverse" |
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93 | |
94 | # Reverse until the previous change, from 4 to 3 | |
95 | # Note that this one is outside the loop | |
96 | ||
97 | gdb_test "continue" \ | |
98 | ".*\[Ww\]atchpoint.*ival3.*Old value = 4.*New value = 3.*ival3 = count; ival4 = count;.*" \ | |
99 | "watchpoint hit in reverse, first time" | |
100 | ||
101 | # Reverse until the previous change, from 3 to 2. | |
102 | gdb_test "continue" \ | |
103 | ".*\[Ww\]atchpoint.*ival3.*Old value = 3.*New value = 2.*ival3 = count; ival4 = count;.*" \ | |
104 | "watchpoint hit in reverse, second time" | |
105 | ||
106 | # Reverse until the previous change, from 2 to 1. | |
107 | gdb_test "continue" \ | |
108 | ".*\[Ww\]atchpoint.*ival3.*Old value = 2.*New value = 1.*ival3 = count; ival4 = count;.*" \ | |
109 | "watchpoint hit in reverse, third time" | |
110 | ||
111 | # Reverse until the previous change, from 1 to 0. | |
112 | gdb_test "continue" \ | |
113 | ".*\[Ww\]atchpoint.*ival3.*Old value = 1.*New value = 0.*ival3 = count; ival4 = count;.*" \ | |
114 | "watchpoint hit in reverse, fourth time" | |
115 | ||
116 | # Reverse until first change, from 0 to -1 | |
117 | ||
118 | gdb_test "continue" \ | |
119 | ".*\[Ww\]atchpoint.*ival3.*Old value = 0.*New value = -1.*ival3 = count; ival4 = count;.*" \ | |
120 | "watchpoint hit in reverse, fifth time" | |
930636d2 | 121 | |
89493308 | 122 | gdb_test_no_output "set can-use-hw-watchpoints 1" "enable hw watchpoints" |
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123 | |
124 | ### | |
125 | ### | |
126 | ### | |
127 | ||
bcd2dc50 | 128 | gdb_test_no_output "set exec-direction forward" "set forward" |
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129 | |
130 | # Continue until first change, from -1 to 0 | |
131 | ||
132 | gdb_test "continue" \ | |
133 | ".*\[Ww\]atchpoint.*ival3.*Old value = -1.*New value = 0.*ival3 = count; ival4 = count;.*" \ | |
134 | "watchpoint hit, forward replay, first time" | |
135 | ||
136 | # Continue until the next change, from 0 to 1. | |
137 | gdb_test "continue" \ | |
138 | ".*\[Ww\]atchpoint.*ival3.*Old value = 0.*New value = 1.*ival3 = count; ival4 = count;.*" \ | |
139 | "watchpoint hit, forward replay, second time" | |
140 | ||
141 | # Continue until the next change, from 1 to 2. | |
142 | gdb_test "continue" \ | |
143 | ".*\[Ww\]atchpoint.*ival3.*Old value = 1.*New value = 2.*ival3 = count; ival4 = count;.*" \ | |
144 | "watchpoint hit, forward replay, third time" | |
145 | ||
146 | # Continue until the next change, from 2 to 3. | |
147 | gdb_test "continue" \ | |
148 | ".*\[Ww\]atchpoint.*ival3.*Old value = 2.*New value = 3.*ival3 = count; ival4 = count;.*" \ | |
149 | "watchpoint hit, forward replay, fourth time" | |
150 | ||
151 | # Continue until the next change, from 3 to 4. | |
152 | # Note that this one is outside the loop. | |
153 | ||
154 | gdb_test "continue" \ | |
155 | ".*\[Ww\]atchpoint.*ival3.*Old value = 3.*New value = 4.*ival3 = count; ival4 = count;.*" \ | |
156 | "watchpoint hit, forward replay, fifth time" | |
157 | ||
158 | # Continue until we hit the finishing marker function. | |
159 | # Make sure we hit no more watchpoints. | |
160 | ||
161 | gdb_test "continue" "marker2 .*" "replay forward to marker2" | |
162 | ||
163 | ### | |
164 | ### | |
165 | ### | |
166 | ||
bcd2dc50 | 167 | gdb_test_no_output "set exec-direction reverse" "set reverse" |
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168 | |
169 | # Reverse until the previous change, from 4 to 3 | |
170 | # Note that this one is outside the loop | |
171 | ||
172 | gdb_test "continue" \ | |
173 | ".*\[Ww\]atchpoint.*ival3.*Old value = 4.*New value = 3.*ival3 = count; ival4 = count;.*" \ | |
174 | "watchpoint hit in reverse, HW, first time" | |
175 | ||
176 | # Reverse until the previous change, from 3 to 2. | |
177 | gdb_test "continue" \ | |
178 | ".*\[Ww\]atchpoint.*ival3.*Old value = 3.*New value = 2.*ival3 = count; ival4 = count;.*" \ | |
179 | "watchpoint hit in reverse, HW, second time" | |
180 | ||
181 | # Reverse until the previous change, from 2 to 1. | |
182 | gdb_test "continue" \ | |
183 | ".*\[Ww\]atchpoint.*ival3.*Old value = 2.*New value = 1.*ival3 = count; ival4 = count;.*" \ | |
184 | "watchpoint hit in reverse, HW, third time" | |
185 | ||
186 | # Reverse until the previous change, from 1 to 0. | |
187 | gdb_test "continue" \ | |
188 | ".*\[Ww\]atchpoint.*ival3.*Old value = 1.*New value = 0.*ival3 = count; ival4 = count;.*" \ | |
189 | "watchpoint hit in reverse, HW, fourth time" | |
190 | ||
191 | # Reverse until first change, from 0 to -1 | |
192 | ||
193 | gdb_test "continue" \ | |
194 | ".*\[Ww\]atchpoint.*ival3.*Old value = 0.*New value = -1.*ival3 = count; ival4 = count;.*" \ | |
195 | "watchpoint hit in reverse, HW, fifth time" | |
196 |