1# Copyright (C) 2015-2023 Free Software Foundation, Inc.
2
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.
7#
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.
12#
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/>.
15
16# This file is part of the GDB testsuite.  It tests python unwinders.
17
18import re
19import gdb.types
20from gdb.unwinder import Unwinder, register_unwinder
21
22
23class TestGlobalUnwinder(Unwinder):
24    def __init__(self):
25        super(TestGlobalUnwinder, self).__init__("global_unwinder")
26
27    def __call__(self, unwinder_info):
28        print("%s called" % self.name)
29        return None
30
31
32class TestProgspaceUnwinder(Unwinder):
33    def __init__(self, name):
34        super(TestProgspaceUnwinder, self).__init__("%s_ps_unwinder" % name)
35
36    def __call__(self, unwinder_info):
37        print("%s called" % self.name)
38        return None
39
40
41class TestObjfileUnwinder(Unwinder):
42    def __init__(self, name):
43        super(TestObjfileUnwinder, self).__init__("%s_obj_unwinder" % name)
44
45    def __call__(self, unwinder_info):
46        print("%s called" % self.name)
47        return None
48
49
50gdb.unwinder.register_unwinder(None, TestGlobalUnwinder())
51saw_runtime_error = False
52try:
53    gdb.unwinder.register_unwinder(None, TestGlobalUnwinder(), replace=False)
54except RuntimeError:
55    saw_runtime_error = True
56if not saw_runtime_error:
57    raise RuntimeError("Missing runtime error from register_unwinder.")
58gdb.unwinder.register_unwinder(None, TestGlobalUnwinder(), replace=True)
59gdb.unwinder.register_unwinder(
60    gdb.current_progspace(), TestProgspaceUnwinder("py_unwind_maint")
61)
62print("Python script imported")
63