gdb/testsuite/gdb.python/py-unwind-maint.py

   1 # Copyright (C) 2015-2024 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
  18 import re
  19
  20 import gdb.types
  21 from gdb.unwinder import Unwinder, register_unwinder
  22
  23
  24 class TestGlobalUnwinder(Unwinder):
  25     def __init__(self):
  26         super(TestGlobalUnwinder, self).__init__("global_unwinder")
  27
  28     def __call__(self, unwinder_info):
  29         print("%s called" % self.name)
  30         return None
  31
  32
  33 class TestProgspaceUnwinder(Unwinder):
  34     def __init__(self, name):
  35         super(TestProgspaceUnwinder, self).__init__("%s_ps_unwinder" % name)
  36
  37     def __call__(self, unwinder_info):
  38         print("%s called" % self.name)
  39         return None
  40
  41
  42 class TestObjfileUnwinder(Unwinder):
  43     def __init__(self, name):
  44         super(TestObjfileUnwinder, self).__init__("%s_obj_unwinder" % name)
  45
  46     def __call__(self, unwinder_info):
  47         print("%s called" % self.name)
  48         return None
  49
  50
  51 gdb.unwinder.register_unwinder(None, TestGlobalUnwinder())
  52 saw_runtime_error = False
  53 try:
  54     gdb.unwinder.register_unwinder(None, TestGlobalUnwinder(), replace=False)
  55 except RuntimeError:
  56     saw_runtime_error = True
  57 if not saw_runtime_error:
  58     raise RuntimeError("Missing runtime error from register_unwinder.")
  59 gdb.unwinder.register_unwinder(None, TestGlobalUnwinder(), replace=True)
  60 gdb.unwinder.register_unwinder(
  61     gdb.current_progspace(), TestProgspaceUnwinder("py_unwind_maint")
  62 )
  63 print("Python script imported")