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# Copyright 2009-2021 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# This file was written by Pierre Muller. (muller@ics.u-strasbg.fr)
standard_testfile
set wp_set 1
if [get_compiler_info] {
return -1
}
if {[prepare_for_testing "failed to prepare" $testfile $srcfile debug]} {
return -1
}
with_test_prefix "before inferior start" {
# Ensure that if we turn off hardware watchpoints and set a watch point
# before starting the inferior the watchpoint created will not be a
# hardware watchpoint.
gdb_test_no_output "set can-use-hw-watchpoints 0" ""
gdb_test "watch ival1" "Watchpoint \[0-9\]+: ival1" \
"create watchpoint"
# The next tests are written to match the current state of gdb: access
# and read watchpoints require hardware watchpoint support, with this
# turned off these can't be created.
gdb_test "awatch ival1" \
"Can't set read/access watchpoint when hardware watchpoints are disabled." \
"create access watchpoint"
gdb_test "rwatch ival1" \
"Can't set read/access watchpoint when hardware watchpoints are disabled." \
"create read watchpoint"
}
# This will turn hardware watchpoints back on and delete the watchpoint
# we just created.
clean_restart ${binfile}
# Disable hardware watchpoints if necessary.
if [target_info exists gdb,no_hardware_watchpoints] {
gdb_test_no_output "set can-use-hw-watchpoints 0" ""
}
runto_main
gdb_test "watch ival1" ".*" ""
gdb_test "watch ival3" ".*" ""
set prev_timeout $timeout
set timeout 600
gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival1.*Old value = -1.*New value = 0.*ival1 = count; ival2 = count;.*" "watchpoint hit, first time"
gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival3.*Old value = -1.*New value = 0.*ival3 = count; ival4 = count;.*" "watchpoint hit, first time"
# Check that the ival3 hit count is reported correctly
gdb_test "info break" ".*watchpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+ival3\r\n\[ \t]+breakpoint already hit 1 time.*" "watchpoint hit count is 1"
# Continue until the next change for ival1, from 0 to 1.
gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival1.*Old value = 0.*New value = 1.*ival1 = count; ival2 = count;.*" "watchpoint ival1 hit, second time"
# Check that the hit count for ival1 is reported correctly
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"
# Continue until the next change for ival3, from 0 to 1.
gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival3.*Old value = 0.*New value = 1.*ival3 = count; ival4 = count;.*" "watchpoint hit, second time"
# Check that the hit count is reported correctly
gdb_test "info break" ".*watchpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+ival3\r\n\[ \t]+breakpoint already hit 2 times.*" "watchpoint hit count is 2"
# Continue until the next change, from 1 to 2.
gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival1.*Old value = 1.*New value = 2.*ival1 = count; ival2 = count;.*" "watchpoint ival1 hit, third time"
# Check that the hit count is reported correctly
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"
# Disable ival1 watchpoint
gdb_test_no_output "disable 2" ""
# Continue until the next change, from 1 to 2.
gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival3.*Old value = 1.*New value = 2.*ival3 = count; ival4 = count;.*" "watchpoint hit, third time"
# Check that the hit count is reported correctly
gdb_test "info break" ".*watchpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+ival3\r\n\[ \t]+breakpoint already hit 3 times.*" "watchpoint hit count is 3"
# Continue until the next change, from 2 to 3.
gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival3.*Old value = 2.*New value = 3.*ival3 = count; ival4 = count;.*" "watchpoint hit, fourth time"
# Check that the hit count is reported correctly
gdb_test "info break" ".*watchpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+ival3\r\n\[ \t]+breakpoint already hit 4 times.*" "watchpoint hit count is 4"
# Continue until the next change, from 3 to 4.
# Note that this one is outside the loop.
gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival3.*Old value = 3.*New value = 4.*ival3 = count; ival4 = count;.*" "watchpoint hit, fifth time"
# Check that the hit count is reported correctly
gdb_test "info break" ".*watchpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+ival3\r\n\[ \t]+breakpoint already hit 5 times.*" "watchpoint hit count is 5"
set timeout $prev_timeout
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