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88b9d363 | 1 | # Copyright 2008-2022 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 | ||
50441f0f | 31 | runto_main |
28d41a99 | 32 | |
d3895d7d | 33 | if [supports_process_record] { |
28d41a99 | 34 | # Activate process record/replay |
9f058c10 | 35 | gdb_test_no_output "record" "turn on process record" |
28d41a99 MS |
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 | ||
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92 | gdb_test_no_output "set exec-direction reverse" \ |
93 | "set reverse, first time" | |
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94 | |
95 | # Reverse until the previous change, from 4 to 3 | |
96 | # Note that this one is outside the loop | |
97 | ||
98 | gdb_test "continue" \ | |
99 | ".*\[Ww\]atchpoint.*ival3.*Old value = 4.*New value = 3.*ival3 = count; ival4 = count;.*" \ | |
100 | "watchpoint hit in reverse, first time" | |
101 | ||
102 | # Reverse until the previous change, from 3 to 2. | |
103 | gdb_test "continue" \ | |
104 | ".*\[Ww\]atchpoint.*ival3.*Old value = 3.*New value = 2.*ival3 = count; ival4 = count;.*" \ | |
105 | "watchpoint hit in reverse, second time" | |
106 | ||
107 | # Reverse until the previous change, from 2 to 1. | |
108 | gdb_test "continue" \ | |
109 | ".*\[Ww\]atchpoint.*ival3.*Old value = 2.*New value = 1.*ival3 = count; ival4 = count;.*" \ | |
110 | "watchpoint hit in reverse, third time" | |
111 | ||
112 | # Reverse until the previous change, from 1 to 0. | |
113 | gdb_test "continue" \ | |
114 | ".*\[Ww\]atchpoint.*ival3.*Old value = 1.*New value = 0.*ival3 = count; ival4 = count;.*" \ | |
115 | "watchpoint hit in reverse, fourth time" | |
116 | ||
117 | # Reverse until first change, from 0 to -1 | |
118 | ||
119 | gdb_test "continue" \ | |
120 | ".*\[Ww\]atchpoint.*ival3.*Old value = 0.*New value = -1.*ival3 = count; ival4 = count;.*" \ | |
121 | "watchpoint hit in reverse, fifth time" | |
930636d2 | 122 | |
89493308 | 123 | gdb_test_no_output "set can-use-hw-watchpoints 1" "enable hw watchpoints" |
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124 | |
125 | ### | |
126 | ### | |
127 | ### | |
128 | ||
bcd2dc50 | 129 | gdb_test_no_output "set exec-direction forward" "set forward" |
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130 | |
131 | # Continue until first change, from -1 to 0 | |
132 | ||
133 | gdb_test "continue" \ | |
134 | ".*\[Ww\]atchpoint.*ival3.*Old value = -1.*New value = 0.*ival3 = count; ival4 = count;.*" \ | |
135 | "watchpoint hit, forward replay, first time" | |
136 | ||
137 | # Continue until the next change, from 0 to 1. | |
138 | gdb_test "continue" \ | |
139 | ".*\[Ww\]atchpoint.*ival3.*Old value = 0.*New value = 1.*ival3 = count; ival4 = count;.*" \ | |
140 | "watchpoint hit, forward replay, second time" | |
141 | ||
142 | # Continue until the next change, from 1 to 2. | |
143 | gdb_test "continue" \ | |
144 | ".*\[Ww\]atchpoint.*ival3.*Old value = 1.*New value = 2.*ival3 = count; ival4 = count;.*" \ | |
145 | "watchpoint hit, forward replay, third time" | |
146 | ||
147 | # Continue until the next change, from 2 to 3. | |
148 | gdb_test "continue" \ | |
149 | ".*\[Ww\]atchpoint.*ival3.*Old value = 2.*New value = 3.*ival3 = count; ival4 = count;.*" \ | |
150 | "watchpoint hit, forward replay, fourth time" | |
151 | ||
152 | # Continue until the next change, from 3 to 4. | |
153 | # Note that this one is outside the loop. | |
154 | ||
155 | gdb_test "continue" \ | |
156 | ".*\[Ww\]atchpoint.*ival3.*Old value = 3.*New value = 4.*ival3 = count; ival4 = count;.*" \ | |
157 | "watchpoint hit, forward replay, fifth time" | |
158 | ||
159 | # Continue until we hit the finishing marker function. | |
160 | # Make sure we hit no more watchpoints. | |
161 | ||
162 | gdb_test "continue" "marker2 .*" "replay forward to marker2" | |
163 | ||
164 | ### | |
165 | ### | |
166 | ### | |
167 | ||
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168 | gdb_test_no_output "set exec-direction reverse" \ |
169 | "set reverse, second time" | |
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170 | |
171 | # Reverse until the previous change, from 4 to 3 | |
172 | # Note that this one is outside the loop | |
173 | ||
174 | gdb_test "continue" \ | |
175 | ".*\[Ww\]atchpoint.*ival3.*Old value = 4.*New value = 3.*ival3 = count; ival4 = count;.*" \ | |
176 | "watchpoint hit in reverse, HW, first time" | |
177 | ||
178 | # Reverse until the previous change, from 3 to 2. | |
179 | gdb_test "continue" \ | |
180 | ".*\[Ww\]atchpoint.*ival3.*Old value = 3.*New value = 2.*ival3 = count; ival4 = count;.*" \ | |
181 | "watchpoint hit in reverse, HW, second time" | |
182 | ||
183 | # Reverse until the previous change, from 2 to 1. | |
184 | gdb_test "continue" \ | |
185 | ".*\[Ww\]atchpoint.*ival3.*Old value = 2.*New value = 1.*ival3 = count; ival4 = count;.*" \ | |
186 | "watchpoint hit in reverse, HW, third time" | |
187 | ||
188 | # Reverse until the previous change, from 1 to 0. | |
189 | gdb_test "continue" \ | |
190 | ".*\[Ww\]atchpoint.*ival3.*Old value = 1.*New value = 0.*ival3 = count; ival4 = count;.*" \ | |
191 | "watchpoint hit in reverse, HW, fourth time" | |
192 | ||
193 | # Reverse until first change, from 0 to -1 | |
194 | ||
195 | gdb_test "continue" \ | |
196 | ".*\[Ww\]atchpoint.*ival3.*Old value = 0.*New value = -1.*ival3 = count; ival4 = count;.*" \ | |
197 | "watchpoint hit in reverse, HW, fifth time" | |
198 |