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