gdb/testsuite/gdb.base/watchpoints.exp

   1 # Copyright 2009
   2 # Free Software Foundation, Inc.
   3
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 # This file was written by Pierre Muller. (muller@ics.u-strasbg.fr)
  18
  19 if $tracelevel then {
  20     strace $tracelevel
  21 }
  22
  23 set prms_id 0
  24 set bug_id 0
  25
  26 set testfile "watchpoints"
  27 set srcfile ${testfile}.c
  28 set binfile ${objdir}/${subdir}/${testfile}
  29
  30 set wp_set 1
  31
  32 if [get_compiler_info ${binfile}] {
  33     return -1
  34 }
  35
  36 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  37      untested watchpoint.exp
  38      return -1
  39 }
  40
  41 # Start with a fresh gdb.
  42
  43 gdb_exit
  44 gdb_start
  45 gdb_reinitialize_dir $srcdir/$subdir
  46 gdb_load $binfile
  47
  48     # Disable hardware watchpoints if necessary.
  49     if [target_info exists gdb,no_hardware_watchpoints] {
  50         gdb_test "set can-use-hw-watchpoints 0" "" ""
  51     }
  52
  53     runto_main
  54     gdb_test "watch ival1" "" ""
  55     gdb_test "watch ival3" "" ""
  56
  57     set timeout 600
  58
  59     gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival1.*Old value = -1.*New value = 0.*ival1 = count; ival2 = count;.*" "watchpoint hit, first time"
  60
  61     gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival3.*Old value = -1.*New value = 0.*ival3 = count; ival4 = count;.*" "watchpoint hit, first time"
  62
  63     # Check that the ival3 hit count is reported correctly
  64     gdb_test "info break" ".*watchpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+ival3\r\n\[ \t]+breakpoint already hit 1 time.*" "Watchpoint hit count is 1"
  65
  66     # Continue until the next change for ival1, from 0 to 1.
  67     gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival1.*Old value = 0.*New value = 1.*ival1 = count; ival2 = count;.*" "watchpoint ival1 hit, second time"
  68
  69     # Check that the hit count for ival1 is reported correctly
  70     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"
  71
  72     # Continue until the next change for ival3, from 0 to 1.
  73     gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival3.*Old value = 0.*New value = 1.*ival3 = count; ival4 = count;.*" "watchpoint hit, second time"
  74
  75     # Check that the hit count is reported correctly
  76     gdb_test "info break" ".*watchpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+ival3\r\n\[ \t]+breakpoint already hit 2 times.*" "Watchpoint hit count is 2"
  77
  78     # Continue until the next change, from 1 to 2.
  79     gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival1.*Old value = 1.*New value = 2.*ival1 = count; ival2 = count;.*" "watchpoint ival1 hit, third time"
  80
  81     # Check that the hit count is reported correctly
  82     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"
  83     # Disable ival1 watchpoint
  84     gdb_test "disable 2" "" ""
  85
  86     # Continue until the next change, from 1 to 2.
  87     gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival3.*Old value = 1.*New value = 2.*ival3 = count; ival4 = count;.*" "watchpoint hit, third 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 3 times.*" "Watchpoint hit count is 3"
  91
  92     # Continue until the next change, from 2 to 3.
  93     gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival3.*Old value = 2.*New value = 3.*ival3 = count; ival4 = count;.*" "watchpoint hit, fourth time"
  94
  95     # Check that the hit count is reported correctly
  96     gdb_test "info break" ".*watchpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+ival3\r\n\[ \t]+breakpoint already hit 4 times.*" "Watchpoint hit count is 4"
  97
  98     # Continue until the next change, from 3 to 4.
  99     # Note that this one is outside the loop.
 100
 101     gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival3.*Old value = 3.*New value = 4.*ival3 = count; ival4 = count;.*" "watchpoint hit, fifth time"
 102
 103     # Check that the hit count is reported correctly
 104     gdb_test "info break" ".*watchpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+ival3\r\n\[ \t]+breakpoint already hit 5 times.*" "Watchpoint hit count is 5"
 105
 106