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      1 # Copyright (C) 2023-2024 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 import gdb
     17 
     18 
     19 class MyListener:
     20     def __init__(self):
     21         gdb.events.new_objfile.connect(self.handle_new_objfile_event)
     22         self.processed_objfile = False
     23 
     24     def handle_new_objfile_event(self, event):
     25         if self.processed_objfile:
     26             return
     27 
     28         print("loading " + event.new_objfile.filename)
     29         self.processed_objfile = True
     30 
     31         # There is no variable 'a'.  The command raises an exception.
     32         gdb.execute("print a")
     33 
     34 
     35 the_listener = MyListener()
     36