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# Copyright 2014 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 is part of the gdb testsuite
standard_testfile
if {[prepare_for_testing $testfile.exp $testfile $srcfile debug]} {
return -1
}
if {![runto_main]} {
return -1
}
# Continue inferior execution, expecting the watchpoint EXPR to be triggered
# having old value OLD and new value NEW.
proc expect_watchpoint { expr old new } {
set expr_re [string_to_regexp $expr]
gdb_test "print $expr" "\\$\\d+ = $old\\s"
gdb_test "cont" "$expr_re\\s.*Old value = $old\\s+New value = $new\\s.*"
gdb_test "print $expr" "\\$\\d+ = $new\\s"
}
# Check that -location watchpoints against bitfields trigger properly.
gdb_test "watch -l q.a"
gdb_test "watch -l q.e"
expect_watchpoint "q.a" 0 1
expect_watchpoint "q.e" 0 5
expect_watchpoint "q.a" 1 0
expect_watchpoint "q.e" 5 4
gdb_test "cont" ".*exited normally.*"
# Check that regular watchpoints against expressions involving bitfields
# trigger properly.
runto_main
gdb_test "watch q.d + q.f + q.g"
expect_watchpoint "q.d + q.f + q.g" 0 4
expect_watchpoint "q.d + q.f + q.g" 4 10
expect_watchpoint "q.d + q.f + q.g" 10 3
expect_watchpoint "q.d + q.f + q.g" 3 2
expect_watchpoint "q.d + q.f + q.g" 2 1
expect_watchpoint "q.d + q.f + q.g" 1 0
gdb_test "cont" ".*exited normally.*"
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