gdb/testsuite/gdb.reverse/watch-precsave.exp

   1 # Copyright 2009-2012 Free Software Foundation, Inc.
   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 precord dumpfile
  18 # debugging with watchpoints.
  19
  20 # This test suitable only for process record-replay
  21 if ![supports_process_record] {
  22     return
  23 }
  24
  25 standard_testfile watch-reverse.c
  26 set precsave [standard_output_file watch.precsave]
  27
  28 if { [prepare_for_testing $testfile.exp $testfile $srcfile] } {
  29     return -1
  30 }
  31
  32 runto main
  33
  34 if [supports_process_record] {
  35     # Activate process record/replay
  36     gdb_test_no_output "record" "Turn on process record"
  37 }
  38
  39 set end_location  [gdb_get_line_number "end of main"  ]
  40 gdb_test "break $end_location" \
  41     "Breakpoint $decimal at .*/$srcfile, line $end_location\." \
  42     "BP at end of main"
  43
  44 gdb_test "continue" "Breakpoint .* end of main .*" "run to end of main"
  45
  46 gdb_test "record save $precsave" \
  47     "Saved core file $precsave with execution log\."  \
  48     "save process recfile"
  49
  50 gdb_test "kill" "" "Kill process, prepare to debug log file" \
  51     "Kill the program being debugged\\? \\(y or n\\) " "y"
  52
  53 gdb_test "record restore $precsave" \
  54     "Program terminated with signal .*" \
  55     "reload core file"
  56
  57 # Only software watchpoints can be used in reverse
  58 gdb_test_no_output "set can-use-hw-watchpoints 0" ""
  59
  60 gdb_test "break marker1" \
  61     "Breakpoint $decimal at $hex: file .*$srcfile, line $decimal.*" \
  62     "set breakpoint at marker1"
  63
  64 gdb_test "break marker2" \
  65     "Breakpoint $decimal at $hex: file .*$srcfile, line $decimal.*" \
  66     "set breakpoint at marker2"
  67
  68 gdb_continue_to_breakpoint "marker1" ".*/$srcfile:.*"
  69
  70 gdb_test "watch ival3" \
  71     ".*\[Ww\]atchpoint $decimal: ival3.*" \
  72     "set watchpoint on ival3"
  73
  74 # Continue until first change, from -1 to 0
  75
  76 gdb_test "continue" \
  77     ".*\[Ww\]atchpoint.*ival3.*Old value = -1.*New value = 0.*ival3 = count; ival4 = count;.*" \
  78     "watchpoint hit, first time"
  79
  80 # Continue until the next change, from 0 to 1.
  81 gdb_test "continue" \
  82     ".*\[Ww\]atchpoint.*ival3.*Old value = 0.*New value = 1.*ival3 = count; ival4 = count;.*" \
  83     "watchpoint hit, second time"
  84
  85 # Continue until the next change, from 1 to 2.
  86 gdb_test "continue" \
  87     ".*\[Ww\]atchpoint.*ival3.*Old value = 1.*New value = 2.*ival3 = count; ival4 = count;.*" \
  88     "watchpoint hit, third time"
  89
  90 # Continue until the next change, from 2 to 3.
  91 gdb_test "continue" \
  92     ".*\[Ww\]atchpoint.*ival3.*Old value = 2.*New value = 3.*ival3 = count; ival4 = count;.*" \
  93     "watchpoint hit, fourth time"
  94
  95 # Continue until the next change, from 3 to 4.
  96 # Note that this one is outside the loop.
  97
  98 gdb_test "continue" \
  99     ".*\[Ww\]atchpoint.*ival3.*Old value = 3.*New value = 4.*ival3 = count; ival4 = count;.*" \
 100     "watchpoint hit, fifth time"
 101
 102 # Continue until we hit the finishing marker function.
 103 # Make sure we hit no more watchpoints.
 104
 105 gdb_continue_to_breakpoint "marker2" ".*/$srcfile:.*"
 106
 107 ###
 108 ###
 109 ###
 110
 111 gdb_test_no_output "set exec-direction reverse" "set reverse"
 112
 113 # Reverse until the previous change, from 4 to 3
 114 # Note that this one is outside the loop
 115
 116 gdb_test "continue" \
 117     ".*\[Ww\]atchpoint.*ival3.*Old value = 4.*New value = 3.*ival3 = count; ival4 = count;.*" \
 118     "watchpoint hit in reverse, first time"
 119
 120 # Reverse until the previous change, from 3 to 2.
 121 gdb_test "continue" \
 122     ".*\[Ww\]atchpoint.*ival3.*Old value = 3.*New value = 2.*ival3 = count; ival4 = count;.*" \
 123     "watchpoint hit in reverse, second time"
 124
 125 # Reverse until the previous change, from 2 to 1.
 126 gdb_test "continue" \
 127     ".*\[Ww\]atchpoint.*ival3.*Old value = 2.*New value = 1.*ival3 = count; ival4 = count;.*" \
 128     "watchpoint hit in reverse, third time"
 129
 130 # Reverse until the previous change, from 1 to 0.
 131 gdb_test "continue" \
 132     ".*\[Ww\]atchpoint.*ival3.*Old value = 1.*New value = 0.*ival3 = count; ival4 = count;.*" \
 133     "watchpoint hit in reverse, fourth time"
 134
 135 # Reverse until first change, from 0 to -1
 136
 137 gdb_test "continue" \
 138     ".*\[Ww\]atchpoint.*ival3.*Old value = 0.*New value = -1.*ival3 = count; ival4 = count;.*" \
 139     "watchpoint hit in reverse, fifth time"
 140
 141 gdb_test_no_output "set can-use-hw-watchpoints 1" "enable hw watchpoints"
 142
 143 ###
 144 ###
 145 ###
 146
 147 gdb_test_no_output "set exec-direction forward" "set forward"
 148
 149 # Continue until first change, from -1 to 0
 150
 151 gdb_test "continue" \
 152     ".*\[Ww\]atchpoint.*ival3.*Old value = -1.*New value = 0.*ival3 = count; ival4 = count;.*" \
 153     "watchpoint hit, forward replay, first time"
 154
 155 # Continue until the next change, from 0 to 1.
 156 gdb_test "continue" \
 157     ".*\[Ww\]atchpoint.*ival3.*Old value = 0.*New value = 1.*ival3 = count; ival4 = count;.*" \
 158     "watchpoint hit, forward replay, second time"
 159
 160 # Continue until the next change, from 1 to 2.
 161 gdb_test "continue" \
 162     ".*\[Ww\]atchpoint.*ival3.*Old value = 1.*New value = 2.*ival3 = count; ival4 = count;.*" \
 163     "watchpoint hit, forward replay, third time"
 164
 165 # Continue until the next change, from 2 to 3.
 166 gdb_test "continue" \
 167     ".*\[Ww\]atchpoint.*ival3.*Old value = 2.*New value = 3.*ival3 = count; ival4 = count;.*" \
 168     "watchpoint hit, forward replay, fourth time"
 169
 170 # Continue until the next change, from 3 to 4.
 171 # Note that this one is outside the loop.
 172
 173 gdb_test "continue" \
 174     ".*\[Ww\]atchpoint.*ival3.*Old value = 3.*New value = 4.*ival3 = count; ival4 = count;.*" \
 175     "watchpoint hit, forward replay, fifth time"
 176
 177 # Continue until we hit the finishing marker function.
 178 # Make sure we hit no more watchpoints.
 179
 180 gdb_test "continue" "marker2 .*" "replay forward to marker2"
 181
 182 ###
 183 ###
 184 ###
 185
 186 gdb_test_no_output "set exec-direction reverse" "set reverse"
 187
 188 # Reverse until the previous change, from 4 to 3
 189 # Note that this one is outside the loop
 190
 191 gdb_test "continue" \
 192     ".*\[Ww\]atchpoint.*ival3.*Old value = 4.*New value = 3.*ival3 = count; ival4 = count;.*" \
 193     "watchpoint hit in reverse, HW, first time"
 194
 195 # Reverse until the previous change, from 3 to 2.
 196 gdb_test "continue" \
 197     ".*\[Ww\]atchpoint.*ival3.*Old value = 3.*New value = 2.*ival3 = count; ival4 = count;.*" \
 198     "watchpoint hit in reverse, HW, second time"
 199
 200 # Reverse until the previous change, from 2 to 1.
 201 gdb_test "continue" \
 202     ".*\[Ww\]atchpoint.*ival3.*Old value = 2.*New value = 1.*ival3 = count; ival4 = count;.*" \
 203     "watchpoint hit in reverse, HW, third time"
 204
 205 # Reverse until the previous change, from 1 to 0.
 206 gdb_test "continue" \
 207     ".*\[Ww\]atchpoint.*ival3.*Old value = 1.*New value = 0.*ival3 = count; ival4 = count;.*" \
 208     "watchpoint hit in reverse, HW, fourth time"
 209
 210 # Reverse until first change, from 0 to -1
 211
 212 gdb_test "continue" \
 213     ".*\[Ww\]atchpoint.*ival3.*Old value = 0.*New value = -1.*ival3 = count; ival4 = count;.*" \
 214     "watchpoint hit in reverse, HW, fifth time"
 215