1 # Copyright (C) 2016-2020 Free Software Foundation, Inc.
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.
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.
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/>.
16 # This file is part of the GDB testsuite. It tests proper handling for
17 # breakpoint creation failure.
19 load_lib gdb-python.exp
23 if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } {
27 # Skip all tests if Python scripting is not enabled.
28 if { [skip_python_tests] } { continue }
30 clean_restart "${testfile}"
32 perror "could not run to main"
36 # The following will create a breakpoint Python wrapper whose construction will
37 # abort: the requested symbol is not defined. GDB should not keep a reference
38 # to the wrapper; however it used to...
39 gdb_test "source py-breakpoint-create-fail.py"
41 # ... and when it did, as a result, the following breakpoint creation (not
42 # initiated by the Python API) would dereference the already-freed Python
43 # breakpoint wrapper, resulting in undefined behavior, sometimes observed as a
44 # gdb crash, and other times causing the next stop to invoke the Python wrapper
45 # "stop" method for the object that is not supposed to exist.
48 set test "continuing to foo"
49 gdb_test_multiple "continue" "$test" {
50 -re "MyBP\.stop was invoked\!.*$gdb_prompt $" {
53 -re "Continuing.*Breakpoint 2, foo.*$gdb_prompt $" {