1 # Copyright 2008, 2009 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 "record" "" "Turn on process record"
38 # FIXME: command ought to acknowledge, so we can test if it succeeded.
41 # Only software watchpoints can be used in reverse
42 gdb_test "set can-use-hw-watchpoints 0" "" ""
44 gdb_test "break marker1" \
45 "Breakpoint $decimal at $hex: file .*$srcfile, line $decimal.*" \
46 "set breakpoint at marker1"
48 gdb_test "break marker2" \
49 "Breakpoint $decimal at $hex: file .*$srcfile, line $decimal.*" \
50 "set breakpoint at marker2"
52 gdb_continue_to_breakpoint "marker1" ".*/$srcfile:.*"
54 gdb_test "watch ival3" \
55 ".*\[Ww\]atchpoint $decimal: ival3.*" \
56 "set watchpoint on ival3"
58 # Continue until first change, from -1 to 0
61 ".*\[Ww\]atchpoint.*ival3.*Old value = -1.*New value = 0.*ival3 = count; ival4 = count;.*" \
62 "watchpoint hit, first time"
64 # Continue until the next change, from 0 to 1.
66 ".*\[Ww\]atchpoint.*ival3.*Old value = 0.*New value = 1.*ival3 = count; ival4 = count;.*" \
67 "watchpoint hit, second time"
69 # Continue until the next change, from 1 to 2.
71 ".*\[Ww\]atchpoint.*ival3.*Old value = 1.*New value = 2.*ival3 = count; ival4 = count;.*" \
72 "watchpoint hit, third time"
74 # Continue until the next change, from 2 to 3.
76 ".*\[Ww\]atchpoint.*ival3.*Old value = 2.*New value = 3.*ival3 = count; ival4 = count;.*" \
77 "watchpoint hit, fourth time"
79 # Continue until the next change, from 3 to 4.
80 # Note that this one is outside the loop.
83 ".*\[Ww\]atchpoint.*ival3.*Old value = 3.*New value = 4.*ival3 = count; ival4 = count;.*" \
84 "watchpoint hit, fifth time"
86 # Continue until we hit the finishing marker function.
87 # Make sure we hit no more watchpoints.
89 gdb_continue_to_breakpoint "marker2" ".*/$srcfile:.*"
95 # FIXME 'set exec-dir' command should give some output so we can test.
96 gdb_test "set exec-direction reverse" "" "set reverse"
98 # Reverse until the previous change, from 4 to 3
99 # Note that this one is outside the loop
101 gdb_test "continue" \
102 ".*\[Ww\]atchpoint.*ival3.*Old value = 4.*New value = 3.*ival3 = count; ival4 = count;.*" \
103 "watchpoint hit in reverse, first time"
105 # Reverse until the previous change, from 3 to 2.
106 gdb_test "continue" \
107 ".*\[Ww\]atchpoint.*ival3.*Old value = 3.*New value = 2.*ival3 = count; ival4 = count;.*" \
108 "watchpoint hit in reverse, second time"
110 # Reverse until the previous change, from 2 to 1.
111 gdb_test "continue" \
112 ".*\[Ww\]atchpoint.*ival3.*Old value = 2.*New value = 1.*ival3 = count; ival4 = count;.*" \
113 "watchpoint hit in reverse, third time"
115 # Reverse until the previous change, from 1 to 0.
116 gdb_test "continue" \
117 ".*\[Ww\]atchpoint.*ival3.*Old value = 1.*New value = 0.*ival3 = count; ival4 = count;.*" \
118 "watchpoint hit in reverse, fourth time"
120 # Reverse until first change, from 0 to -1
122 gdb_test "continue" \
123 ".*\[Ww\]atchpoint.*ival3.*Old value = 0.*New value = -1.*ival3 = count; ival4 = count;.*" \
124 "watchpoint hit in reverse, fifth time"