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# Copyright 2018-2021 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/>.
# watchpoint-hw-attach.exp -- Test if hardware watchpoints are used
# when attaching to a target.
if {[skip_hw_watchpoint_tests]} {
return 0
}
if {![can_spawn_for_attach]} {
return 0
}
standard_testfile
if {[prepare_for_testing "failed to prepare" $testfile $srcfile debug]} {
return -1
}
if ![runto_main] {
untested "can't run to main"
return -1
}
# Run to the point where mypid in the test program has been
# populated.
gdb_breakpoint [gdb_get_line_number "pidacquired"]
gdb_continue_to_breakpoint "pidacquired"
# Get the PID of the test process.
set testpid [get_integer_valueof "mypid" 0]
gdb_test "detach" "Detaching from program: .*, process $testpid\r\n\\\[Inferior $decimal \\(process $testpid\\) detached\\\]"
if {$testpid == ""} {
return -1
}
# A clean restart is needed to force the hardware watchpoint setup
# logic to run post attach rather than post inferior launch.
clean_restart $binfile
gdb_test "attach $testpid" "Attaching to program: .*, process $testpid.*" "attach"
# Ensure the test program is in the top frame so the required
# variables are in scope.
gdb_breakpoint $srcfile:[gdb_get_line_number "pidacquired"]
gdb_continue_to_breakpoint "$srcfile:pidacquired"
gdb_test_no_output "set should_continue = 1"
gdb_test "watch watched_variable" \
"Hardware watchpoint $decimal: watched_variable"
gdb_test "continue" \
"continue.*Continuing.*\.Hardware watchpoint $decimal: watched_variable.*Old value = 0.*New value = 4.*watched_variable\\);"
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