gdb/testsuite/gdb.base/watchpoints.exp

   1 # Copyright 2009-2013 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
  19 set testfile "watchpoints"
  20 set srcfile ${testfile}.c
  21 set binfile ${objdir}/${subdir}/${testfile}
  22
  23 set wp_set 1
  24
  25 if [get_compiler_info] {
  26     return -1
  27 }
  28
  29 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  30      untested watchpoint.exp
  31      return -1
  32 }
  33
  34 # Start with a fresh gdb.
  35
  36 gdb_exit
  37 gdb_start
  38 gdb_reinitialize_dir $srcdir/$subdir
  39 gdb_load $binfile
  40
  41     # Disable hardware watchpoints if necessary.
  42     if [target_info exists gdb,no_hardware_watchpoints] {
  43         gdb_test_no_output "set can-use-hw-watchpoints 0" ""
  44     }
  45
  46     runto_main
  47     gdb_test "watch ival1" ".*" ""
  48     gdb_test "watch ival3" ".*" ""
  49
  50     set prev_timeout $timeout
  51     set timeout 600
  52
  53     gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival1.*Old value = -1.*New value = 0.*ival1 = count; ival2 = count;.*" "watchpoint hit, first time"
  54
  55     gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival3.*Old value = -1.*New value = 0.*ival3 = count; ival4 = count;.*" "watchpoint hit, first time"
  56
  57     # Check that the ival3 hit count is reported correctly
  58     gdb_test "info break" ".*watchpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+ival3\r\n\[ \t]+breakpoint already hit 1 time.*" "Watchpoint hit count is 1"
  59
  60     # Continue until the next change for ival1, from 0 to 1.
  61     gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival1.*Old value = 0.*New value = 1.*ival1 = count; ival2 = count;.*" "watchpoint ival1 hit, second time"
  62
  63     # Check that the hit count for ival1 is reported correctly
  64     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"
  65
  66     # Continue until the next change for ival3, from 0 to 1.
  67     gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival3.*Old value = 0.*New value = 1.*ival3 = count; ival4 = count;.*" "watchpoint hit, second time"
  68
  69     # Check that the hit count is reported correctly
  70     gdb_test "info break" ".*watchpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+ival3\r\n\[ \t]+breakpoint already hit 2 times.*" "Watchpoint hit count is 2"
  71
  72     # Continue until the next change, from 1 to 2.
  73     gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival1.*Old value = 1.*New value = 2.*ival1 = count; ival2 = count;.*" "watchpoint ival1 hit, third time"
  74
  75     # Check that the hit count is reported correctly
  76     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"
  77     # Disable ival1 watchpoint
  78     gdb_test_no_output "disable 2" ""
  79
  80     # Continue until the next change, from 1 to 2.
  81     gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival3.*Old value = 1.*New value = 2.*ival3 = count; ival4 = count;.*" "watchpoint hit, third time"
  82
  83     # Check that the hit count is reported correctly
  84     gdb_test "info break" ".*watchpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+ival3\r\n\[ \t]+breakpoint already hit 3 times.*" "Watchpoint hit count is 3"
  85
  86     # Continue until the next change, from 2 to 3.
  87     gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival3.*Old value = 2.*New value = 3.*ival3 = count; ival4 = count;.*" "watchpoint hit, fourth time"
  88
  89     # Check that the hit count is reported correctly
  90     gdb_test "info break" ".*watchpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+ival3\r\n\[ \t]+breakpoint already hit 4 times.*" "Watchpoint hit count is 4"
  91
  92     # Continue until the next change, from 3 to 4.
  93     # Note that this one is outside the loop.
  94
  95     gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival3.*Old value = 3.*New value = 4.*ival3 = count; ival4 = count;.*" "watchpoint hit, fifth time"
  96
  97     # Check that the hit count is reported correctly
  98     gdb_test "info break" ".*watchpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+ival3\r\n\[ \t]+breakpoint already hit 5 times.*" "Watchpoint hit count is 5"
  99
 100 set timeout $prev_timeout