1 # Copyright 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
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.
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.
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/>.
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
21 if ![target_info exists gdb,can_reverse] {
25 set testfile "watch-reverse"
26 set srcfile ${testfile}.c
27 set binfile ${objdir}/${subdir}/${testfile}
29 if { [prepare_for_testing $testfile.exp $testfile $srcfile] } {
35 if [target_info exists gdb,use_precord] {
36 # Activate process record/replay
37 gdb_test_no_output "record" "Turn on process record"
40 # Test software watchpoints
41 gdb_test_no_output "set can-use-hw-watchpoints 0" "disable hw watchpoints"
43 gdb_test "break marker1" \
44 "Breakpoint $decimal at $hex: file .*$srcfile, line $decimal.*" \
45 "set breakpoint at marker1"
47 gdb_test "break marker2" \
48 "Breakpoint $decimal at $hex: file .*$srcfile, line $decimal.*" \
49 "set breakpoint at marker2"
51 gdb_continue_to_breakpoint "marker1" ".*/$srcfile:.*"
53 gdb_test "watch ival3" \
54 ".*\[Ww\]atchpoint $decimal: ival3.*" \
55 "set watchpoint on ival3"
57 # Continue until first change, from -1 to 0
60 ".*\[Ww\]atchpoint.*ival3.*Old value = -1.*New value = 0.*ival3 = count; ival4 = count;.*" \
61 "watchpoint hit, first time"
63 # Continue until the next change, from 0 to 1.
65 ".*\[Ww\]atchpoint.*ival3.*Old value = 0.*New value = 1.*ival3 = count; ival4 = count;.*" \
66 "watchpoint hit, second time"
68 # Continue until the next change, from 1 to 2.
70 ".*\[Ww\]atchpoint.*ival3.*Old value = 1.*New value = 2.*ival3 = count; ival4 = count;.*" \
71 "watchpoint hit, third time"
73 # Continue until the next change, from 2 to 3.
75 ".*\[Ww\]atchpoint.*ival3.*Old value = 2.*New value = 3.*ival3 = count; ival4 = count;.*" \
76 "watchpoint hit, fourth time"
78 # Continue until the next change, from 3 to 4.
79 # Note that this one is outside the loop.
82 ".*\[Ww\]atchpoint.*ival3.*Old value = 3.*New value = 4.*ival3 = count; ival4 = count;.*" \
83 "watchpoint hit, fifth time"
85 # Continue until we hit the finishing marker function.
86 # Make sure we hit no more watchpoints.
88 gdb_continue_to_breakpoint "marker2" ".*/$srcfile:.*"
94 gdb_test_no_output "set exec-direction reverse" "set reverse"
96 # Reverse until the previous change, from 4 to 3
97 # Note that this one is outside the loop
100 ".*\[Ww\]atchpoint.*ival3.*Old value = 4.*New value = 3.*ival3 = count; ival4 = count;.*" \
101 "watchpoint hit in reverse, first time"
103 # Reverse until the previous change, from 3 to 2.
104 gdb_test "continue" \
105 ".*\[Ww\]atchpoint.*ival3.*Old value = 3.*New value = 2.*ival3 = count; ival4 = count;.*" \
106 "watchpoint hit in reverse, second time"
108 # Reverse until the previous change, from 2 to 1.
109 gdb_test "continue" \
110 ".*\[Ww\]atchpoint.*ival3.*Old value = 2.*New value = 1.*ival3 = count; ival4 = count;.*" \
111 "watchpoint hit in reverse, third time"
113 # Reverse until the previous change, from 1 to 0.
114 gdb_test "continue" \
115 ".*\[Ww\]atchpoint.*ival3.*Old value = 1.*New value = 0.*ival3 = count; ival4 = count;.*" \
116 "watchpoint hit in reverse, fourth time"
118 # Reverse until first change, from 0 to -1
120 gdb_test "continue" \
121 ".*\[Ww\]atchpoint.*ival3.*Old value = 0.*New value = -1.*ival3 = count; ival4 = count;.*" \
122 "watchpoint hit in reverse, fifth time"
124 gdb_test_no_output "set can-use-hw-watchpoints 1" "enable hw watchpoints"
130 gdb_test_no_output "set exec-direction forward" "set forward"
132 # Continue until first change, from -1 to 0
134 gdb_test "continue" \
135 ".*\[Ww\]atchpoint.*ival3.*Old value = -1.*New value = 0.*ival3 = count; ival4 = count;.*" \
136 "watchpoint hit, forward replay, first time"
138 # Continue until the next change, from 0 to 1.
139 gdb_test "continue" \
140 ".*\[Ww\]atchpoint.*ival3.*Old value = 0.*New value = 1.*ival3 = count; ival4 = count;.*" \
141 "watchpoint hit, forward replay, second time"
143 # Continue until the next change, from 1 to 2.
144 gdb_test "continue" \
145 ".*\[Ww\]atchpoint.*ival3.*Old value = 1.*New value = 2.*ival3 = count; ival4 = count;.*" \
146 "watchpoint hit, forward replay, third time"
148 # Continue until the next change, from 2 to 3.
149 gdb_test "continue" \
150 ".*\[Ww\]atchpoint.*ival3.*Old value = 2.*New value = 3.*ival3 = count; ival4 = count;.*" \
151 "watchpoint hit, forward replay, fourth time"
153 # Continue until the next change, from 3 to 4.
154 # Note that this one is outside the loop.
156 gdb_test "continue" \
157 ".*\[Ww\]atchpoint.*ival3.*Old value = 3.*New value = 4.*ival3 = count; ival4 = count;.*" \
158 "watchpoint hit, forward replay, fifth time"
160 # Continue until we hit the finishing marker function.
161 # Make sure we hit no more watchpoints.
163 gdb_test "continue" "marker2 .*" "replay forward to marker2"
169 gdb_test_no_output "set exec-direction reverse" "set reverse"
171 # Reverse until the previous change, from 4 to 3
172 # Note that this one is outside the loop
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"
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"
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"
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"
193 # Reverse until first change, from 0 to -1
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"