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

   1 # Copyright (C) 2010-2016 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 def signal_stop_handler (event):
  21     if (isinstance (event, gdb.StopEvent)):
  22         print ("event type: stop")
  23     if (isinstance (event, gdb.SignalEvent)):
  24         print ("stop reason: signal")
  25         print ("stop signal: %s" % (event.stop_signal))
  26         if ( event.inferior_thread is not None) :
  27             print ("thread num: %s" % (event.inferior_thread.num))
  28
  29 def breakpoint_stop_handler (event):
  30     if (isinstance (event, gdb.StopEvent)):
  31         print ("event type: stop")
  32     if (isinstance (event, gdb.BreakpointEvent)):
  33         print ("stop reason: breakpoint")
  34         print ("first breakpoint number: %s" % (event.breakpoint.number))
  35         for bp in event.breakpoints:
  36                 print ("breakpoint number: %s" % (bp.number))
  37         if ( event.inferior_thread is not None) :
  38             print ("thread num: %s" % (event.inferior_thread.num))
  39         else:
  40             print ("all threads stopped")
  41
  42 def exit_handler (event):
  43     assert (isinstance (event, gdb.ExitedEvent))
  44     print ("event type: exit")
  45     print ("exit code: %d" % (event.exit_code))
  46     print ("exit inf: %d" % (event.inferior.num))
  47     print ("dir ok: %s" % str('exit_code' in dir(event)))
  48
  49 def continue_handler (event):
  50     assert (isinstance (event, gdb.ContinueEvent))
  51     print ("event type: continue")
  52     if ( event.inferior_thread is not None) :
  53         print ("thread num: %s" % (event.inferior_thread.num))
  54
  55 def new_objfile_handler (event):
  56     assert (isinstance (event, gdb.NewObjFileEvent))
  57     print ("event type: new_objfile")
  58     print ("new objfile name: %s" % (event.new_objfile.filename))
  59
  60 def clear_objfiles_handler (event):
  61     assert (isinstance (event, gdb.ClearObjFilesEvent))
  62     print ("event type: clear_objfiles")
  63     print ("progspace: %s" % (event.progspace.filename))
  64
  65 def inferior_call_handler (event):
  66     if (isinstance (event, gdb.InferiorCallPreEvent)):
  67         print ("event type: pre-call")
  68     elif (isinstance (event, gdb.InferiorCallPostEvent)):
  69         print ("event type: post-call")
  70     else:
  71         assert False
  72     print ("ptid: %s" % (event.ptid,))
  73     print ("address: 0x%x" % (event.address))
  74
  75 def register_changed_handler (event):
  76     assert (isinstance (event, gdb.RegisterChangedEvent))
  77     print ("event type: register-changed")
  78     assert (isinstance (event.frame, gdb.Frame))
  79     print ("frame: %s" % (event.frame))
  80     print ("num: %s" % (event.regnum))
  81
  82 def memory_changed_handler (event):
  83     assert (isinstance (event, gdb.MemoryChangedEvent))
  84     print ("event type: memory-changed")
  85     print ("address: %s" % (event.address))
  86     print ("length: %s" % (event.length))
  87
  88
  89 class test_events (gdb.Command):
  90     """Test events."""
  91
  92     def __init__ (self):
  93         gdb.Command.__init__ (self, "test-events", gdb.COMMAND_STACK)
  94
  95     def invoke (self, arg, from_tty):
  96         gdb.events.stop.connect (signal_stop_handler)
  97         gdb.events.stop.connect (breakpoint_stop_handler)
  98         gdb.events.exited.connect (exit_handler)
  99         gdb.events.cont.connect (continue_handler)
 100         gdb.events.inferior_call.connect (inferior_call_handler)
 101         gdb.events.memory_changed.connect (memory_changed_handler)
 102         gdb.events.register_changed.connect (register_changed_handler)
 103         print ("Event testers registered.")
 104
 105 test_events ()
 106
 107 class test_newobj_events (gdb.Command):
 108     """NewObj events."""
 109
 110     def __init__ (self):
 111         gdb.Command.__init__ (self, "test-objfile-events", gdb.COMMAND_STACK)
 112
 113     def invoke (self, arg, from_tty):
 114         gdb.events.new_objfile.connect (new_objfile_handler)
 115         gdb.events.clear_objfiles.connect (clear_objfiles_handler)
 116         print ("Object file events registered.")
 117
 118 test_newobj_events ()