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# Copyright 2021-2022 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/>.
# Regression test for PR gdb/28621. Test that GDB does not misreport
# a watchpoint hit when a previous watchpoint hit is immediately
# followed by a catchpoint hit.
# This test uses "awatch".
if {[skip_hw_watchpoint_access_tests]} {
return
}
standard_testfile
if {[build_executable "failed to prepare" $testfile $srcfile debug]} {
return
}
# Check that fork catchpoints are supported. Returns 1 if they are.
# Returns 0 and issues unsupported if they are not supported. If it
# couldn't be determined, returns 0 (but does not call unsupported).
proc_with_prefix catch_fork_supported {} {
clean_restart $::testfile
if { ![runto_main] } {
return 0
}
# Verify that the system supports "catch fork".
gdb_test "catch fork" "Catchpoint \[0-9\]* \\(fork\\)" "insert first fork catchpoint"
set has_fork_catchpoints -1
gdb_test_multiple "continue" "continue to first fork catchpoint" {
-re -wrap ".*Your system does not support this type\r\nof catchpoint.*" {
set has_fork_catchpoints 0
pass $gdb_test_name
}
-re -wrap ".*Catchpoint.*" {
set has_fork_catchpoints 1
pass $gdb_test_name
}
}
if {$has_fork_catchpoints == 1} {
return 1
} elseif {$has_fork_catchpoints == -1} {
return 0
} else {
unsupported "catch fork not supported"
return 0
}
}
# The test proper.
proc_with_prefix test {} {
clean_restart $::testfile
if { ![runto_main] } {
return 0
}
gdb_test "awatch global_var" \
"Hardware access \\(read/write\\) watchpoint .*: global_var.*" \
"watchpoint on global variable"
gdb_test "continue" \
"Hardware access \\(read/write\\) watchpoint .*: global_var.*" \
"continue to watchpoint"
set seen_watchpoint 0
gdb_test_multiple "continue" "continue to catch fork" {
-re "watchpoint" {
set seen_watchpoint 1
exp_continue
}
-re "$::gdb_prompt " {
gdb_assert { !$seen_watchpoint } $gdb_test_name
}
}
}
if {![catch_fork_supported] } {
return
}
test
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