1# Copyright 2009, 2010, 2011 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 18if $tracelevel then { 19 strace $tracelevel 20} 21 22 23set testfile "watchpoints" 24set srcfile ${testfile}.c 25set binfile ${objdir}/${subdir}/${testfile} 26 27set wp_set 1 28 29if [get_compiler_info ${binfile}] { 30 return -1 31} 32 33if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { 34 untested watchpoint.exp 35 return -1 36} 37 38# Start with a fresh gdb. 39 40gdb_exit 41gdb_start 42gdb_reinitialize_dir $srcdir/$subdir 43gdb_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 104set timeout $prev_timeout 105