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

   1 # Copyright 2008, 2009, 2010 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 reverse debugging
  18 # with watchpoints.
  19
  20
  21 if ![target_info exists gdb,can_reverse] {
  22     return
  23 }
  24
  25 set testfile "watch-reverse"
  26 set srcfile ${testfile}.c
  27 set binfile ${objdir}/${subdir}/${testfile}
  28
  29 if { [prepare_for_testing $testfile.exp $testfile $srcfile] } {
  30     return -1
  31 }
  32
  33 runto main
  34
  35 if [target_info exists gdb,use_precord] {
  36     # Activate process record/replay
  37     gdb_test_no_output "record" "Turn on process record"
  38 }
  39
  40 # Test software watchpoints
  41 gdb_test_no_output "set can-use-hw-watchpoints 0" "disable hw watchpoints"
  42
  43 gdb_test "break marker1" \
  44     "Breakpoint $decimal at $hex: file .*$srcfile, line $decimal.*" \
  45     "set breakpoint at marker1"
  46
  47 gdb_test "break marker2" \
  48     "Breakpoint $decimal at $hex: file .*$srcfile, line $decimal.*" \
  49     "set breakpoint at marker2"
  50
  51 gdb_continue_to_breakpoint "marker1" ".*/$srcfile:.*"
  52
  53 gdb_test "watch ival3" \
  54     ".*\[Ww\]atchpoint $decimal: ival3.*" \
  55     "set watchpoint on ival3"
  56
  57 # Continue until first change, from -1 to 0
  58
  59 gdb_test "continue" \
  60     ".*\[Ww\]atchpoint.*ival3.*Old value = -1.*New value = 0.*ival3 = count; ival4 = count;.*" \
  61     "watchpoint hit, first time"
  62
  63 # Continue until the next change, from 0 to 1.
  64 gdb_test "continue" \
  65     ".*\[Ww\]atchpoint.*ival3.*Old value = 0.*New value = 1.*ival3 = count; ival4 = count;.*" \
  66     "watchpoint hit, second time"
  67
  68 # Continue until the next change, from 1 to 2.
  69 gdb_test "continue" \
  70     ".*\[Ww\]atchpoint.*ival3.*Old value = 1.*New value = 2.*ival3 = count; ival4 = count;.*" \
  71     "watchpoint hit, third time"
  72
  73 # Continue until the next change, from 2 to 3.
  74 gdb_test "continue" \
  75     ".*\[Ww\]atchpoint.*ival3.*Old value = 2.*New value = 3.*ival3 = count; ival4 = count;.*" \
  76     "watchpoint hit, fourth time"
  77
  78 # Continue until the next change, from 3 to 4.
  79 # Note that this one is outside the loop.
  80
  81 gdb_test "continue" \
  82     ".*\[Ww\]atchpoint.*ival3.*Old value = 3.*New value = 4.*ival3 = count; ival4 = count;.*" \
  83     "watchpoint hit, fifth time"
  84
  85 # Continue until we hit the finishing marker function.
  86 # Make sure we hit no more watchpoints.
  87
  88 gdb_continue_to_breakpoint "marker2" ".*/$srcfile:.*"
  89
  90 ###
  91 ###
  92 ###
  93
  94 gdb_test_no_output "set exec-direction reverse" "set reverse"
  95
  96 # Reverse until the previous change, from 4 to 3
  97 # Note that this one is outside the loop
  98
  99 gdb_test "continue" \
 100     ".*\[Ww\]atchpoint.*ival3.*Old value = 4.*New value = 3.*ival3 = count; ival4 = count;.*" \
 101     "watchpoint hit in reverse, first time"
 102
 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"
 107
 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"
 112
 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"
 117
 118 # Reverse until first change, from 0 to -1
 119
 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"
 123
 124 gdb_test_no_output "set can-use-hw-watchpoints 1" "enable hw watchpoints"
 125
 126 ###
 127 ###
 128 ###
 129
 130 gdb_test_no_output "set exec-direction forward" "set forward"
 131
 132 # Continue until first change, from -1 to 0
 133
 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"
 137
 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"
 142
 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"
 147
 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"
 152
 153 # Continue until the next change, from 3 to 4.
 154 # Note that this one is outside the loop.
 155
 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"
 159
 160 # Continue until we hit the finishing marker function.
 161 # Make sure we hit no more watchpoints.
 162
 163 gdb_test "continue" "marker2 .*" "replay forward to marker2"
 164
 165 ###
 166 ###
 167 ###
 168
 169 gdb_test_no_output "set exec-direction reverse" "set reverse"
 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