gdb/testsuite/gdb.python/py-events.py

   1 # Copyright (C) 2010-2022 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 pretty
  17 # printers.
  18 import gdb
  19
  20
  21 def signal_stop_handler(event):
  22     if isinstance(event, gdb.StopEvent):
  23         print("event type: stop")
  24     if isinstance(event, gdb.SignalEvent):
  25         print("stop reason: signal")
  26         print("stop signal: %s" % (event.stop_signal))
  27         if event.inferior_thread is not None:
  28             print("thread num: %s" % (event.inferior_thread.num))
  29
  30
  31 def breakpoint_stop_handler(event):
  32     if isinstance(event, gdb.StopEvent):
  33         print("event type: stop")
  34     if isinstance(event, gdb.BreakpointEvent):
  35         print("stop reason: breakpoint")
  36         print("first breakpoint number: %s" % (event.breakpoint.number))
  37         for bp in event.breakpoints:
  38             print("breakpoint number: %s" % (bp.number))
  39         if event.inferior_thread is not None:
  40             print("thread num: %s" % (event.inferior_thread.num))
  41         else:
  42             print("all threads stopped")
  43
  44
  45 def exit_handler(event):
  46     assert isinstance(event, gdb.ExitedEvent)
  47     print("event type: exit")
  48     print("exit code: %d" % (event.exit_code))
  49     print("exit inf: %d" % (event.inferior.num))
  50     print("exit pid: %d" % (event.inferior.pid))
  51     print("dir ok: %s" % str("exit_code" in dir(event)))
  52
  53
  54 def continue_handler(event):
  55     assert isinstance(event, gdb.ContinueEvent)
  56     print("event type: continue")
  57     if event.inferior_thread is not None:
  58         print("thread num: %s" % (event.inferior_thread.num))
  59
  60
  61 def new_objfile_handler(event):
  62     assert isinstance(event, gdb.NewObjFileEvent)
  63     print("event type: new_objfile")
  64     print("new objfile name: %s" % (event.new_objfile.filename))
  65
  66
  67 def clear_objfiles_handler(event):
  68     assert isinstance(event, gdb.ClearObjFilesEvent)
  69     print("event type: clear_objfiles")
  70     print("progspace: %s" % (event.progspace.filename))
  71
  72
  73 def inferior_call_handler(event):
  74     if isinstance(event, gdb.InferiorCallPreEvent):
  75         print("event type: pre-call")
  76     elif isinstance(event, gdb.InferiorCallPostEvent):
  77         print("event type: post-call")
  78     else:
  79         assert False
  80     print("ptid: %s" % (event.ptid,))
  81     print("address: 0x%x" % (event.address))
  82
  83
  84 def register_changed_handler(event):
  85     assert isinstance(event, gdb.RegisterChangedEvent)
  86     print("event type: register-changed")
  87     assert isinstance(event.frame, gdb.Frame)
  88     print("frame: %s" % (event.frame))
  89     print("num: %s" % (event.regnum))
  90
  91
  92 def memory_changed_handler(event):
  93     assert isinstance(event, gdb.MemoryChangedEvent)
  94     print("event type: memory-changed")
  95     print("address: %s" % (event.address))
  96     print("length: %s" % (event.length))
  97
  98
  99 class test_events(gdb.Command):
 100     """Test events."""
 101
 102     def __init__(self):
 103         gdb.Command.__init__(self, "test-events", gdb.COMMAND_STACK)
 104
 105     def invoke(self, arg, from_tty):
 106         gdb.events.stop.connect(signal_stop_handler)
 107         gdb.events.stop.connect(breakpoint_stop_handler)
 108         gdb.events.exited.connect(exit_handler)
 109         gdb.events.cont.connect(continue_handler)
 110         gdb.events.inferior_call.connect(inferior_call_handler)
 111         gdb.events.memory_changed.connect(memory_changed_handler)
 112         gdb.events.register_changed.connect(register_changed_handler)
 113         print("Event testers registered.")
 114
 115
 116 test_events()
 117
 118
 119 class test_newobj_events(gdb.Command):
 120     """NewObj events."""
 121
 122     def __init__(self):
 123         gdb.Command.__init__(self, "test-objfile-events", gdb.COMMAND_STACK)
 124
 125     def invoke(self, arg, from_tty):
 126         gdb.events.new_objfile.connect(new_objfile_handler)
 127         gdb.events.clear_objfiles.connect(clear_objfiles_handler)
 128         print("Object file events registered.")
 129
 130
 131 test_newobj_events()