1# Copyright (C) 2015-2020 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
22class TestGlobalUnwinder(Unwinder):
23    def __init__(self):
24        super(TestGlobalUnwinder, self).__init__("global_unwinder")
25
26    def __call__(self, unwinder_info):
27        print("%s called" % self.name)
28        return None
29
30class TestProgspaceUnwinder(Unwinder):
31    def __init__(self, name):
32        super(TestProgspaceUnwinder, self).__init__("%s_ps_unwinder" % name)
33
34    def __call__(self, unwinder_info):
35        print("%s called" % self.name)
36        return None
37
38class TestObjfileUnwinder(Unwinder):
39    def __init__(self, name):
40        super(TestObjfileUnwinder, self).__init__("%s_obj_unwinder" % name)
41
42    def __call__(self, unwinder_info):
43        print("%s called" % self.name)
44        return None
45
46
47
48gdb.unwinder.register_unwinder(None, TestGlobalUnwinder())
49saw_runtime_error = False
50try:
51    gdb.unwinder.register_unwinder(None, TestGlobalUnwinder(), replace=False)
52except RuntimeError:
53    saw_runtime_error = True
54if not saw_runtime_error:
55    raise RuntimeError("Missing runtime error from register_unwinder.")
56gdb.unwinder.register_unwinder(None, TestGlobalUnwinder(), replace=True)
57gdb.unwinder.register_unwinder(gdb.current_progspace(),
58                               TestProgspaceUnwinder("py_unwind_maint"))
59print("Python script imported")
60