gdb/testsuite/gdb.base/watchpoints.exp

   1 # Copyright 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 # This file was written by Pierre Muller. (muller@ics.u-strasbg.fr)
  17
  18 if $tracelevel then {
  19     strace $tracelevel
  20 }
  21
  22
  23 set testfile "watchpoints"
  24 set srcfile ${testfile}.c
  25 set binfile ${objdir}/${subdir}/${testfile}
  26
  27 set wp_set 1
  28
  29 if [get_compiler_info ${binfile}] {
  30     return -1
  31 }
  32
  33 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  34      untested watchpoint.exp
  35      return -1
  36 }
  37
  38 # Start with a fresh gdb.
  39
  40 gdb_exit
  41 gdb_start
  42 gdb_reinitialize_dir $srcdir/$subdir
  43 gdb_load $binfile
  44
  45     # Disable hardware watchpoints if necessary.
  46     if [target_info exists gdb,no_hardware_watchpoints] {
  47         gdb_test_no_output "set can-use-hw-watchpoints 0" ""
  48     }
  49
  50     runto_main
  51     gdb_test "watch ival1" "" ""
  52     gdb_test "watch ival3" "" ""
  53
  54     set prev_timeout $timeout
  55     set timeout 600
  56
  57     gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival1.*Old value = -1.*New value = 0.*ival1 = count; ival2 = count;.*" "watchpoint hit, first time"
  58
  59     gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival3.*Old value = -1.*New value = 0.*ival3 = count; ival4 = count;.*" "watchpoint hit, first time"
  60
  61     # Check that the ival3 hit count is reported correctly
  62     gdb_test "info break" ".*watchpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+ival3\r\n\[ \t]+breakpoint already hit 1 time.*" "Watchpoint hit count is 1"
  63
  64     # Continue until the next change for ival1, from 0 to 1.
  65     gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival1.*Old value = 0.*New value = 1.*ival1 = count; ival2 = count;.*" "watchpoint ival1 hit, second time"
  66
  67     # Check that the hit count for ival1 is reported correctly
  68     gdb_test "info break" ".*watchpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+ival1\r\n\[ \t]+breakpoint already hit 2 times.*" "Watchpoint ival1 hit count is 2"
  69
  70     # Continue until the next change for ival3, from 0 to 1.
  71     gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival3.*Old value = 0.*New value = 1.*ival3 = count; ival4 = count;.*" "watchpoint hit, second time"
  72
  73     # Check that the hit count is reported correctly
  74     gdb_test "info break" ".*watchpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+ival3\r\n\[ \t]+breakpoint already hit 2 times.*" "Watchpoint hit count is 2"
  75
  76     # Continue until the next change, from 1 to 2.
  77     gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival1.*Old value = 1.*New value = 2.*ival1 = count; ival2 = count;.*" "watchpoint ival1 hit, third time"
  78
  79     # Check that the hit count is reported correctly
  80     gdb_test "info break" ".*watchpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+ival1\r\n\[ \t]+breakpoint already hit 3 times.*" "Watchpoint ival1 hit count is 3"
  81     # Disable ival1 watchpoint
  82     gdb_test_no_output "disable 2" ""
  83
  84     # Continue until the next change, from 1 to 2.
  85     gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival3.*Old value = 1.*New value = 2.*ival3 = count; ival4 = count;.*" "watchpoint hit, third time"
  86
  87     # Check that the hit count is reported correctly
  88     gdb_test "info break" ".*watchpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+ival3\r\n\[ \t]+breakpoint already hit 3 times.*" "Watchpoint hit count is 3"
  89
  90     # Continue until the next change, from 2 to 3.
  91     gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival3.*Old value = 2.*New value = 3.*ival3 = count; ival4 = count;.*" "watchpoint hit, fourth time"
  92
  93     # Check that the hit count is reported correctly
  94     gdb_test "info break" ".*watchpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+ival3\r\n\[ \t]+breakpoint already hit 4 times.*" "Watchpoint hit count is 4"
  95
  96     # Continue until the next change, from 3 to 4.
  97     # Note that this one is outside the loop.
  98
  99     gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival3.*Old value = 3.*New value = 4.*ival3 = count; ival4 = count;.*" "watchpoint hit, fifth time"
 100
 101     # Check that the hit count is reported correctly
 102     gdb_test "info break" ".*watchpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+ival3\r\n\[ \t]+breakpoint already hit 5 times.*" "Watchpoint hit count is 5"
 103
 104 set timeout $prev_timeout