xref: /netbsd-src/external/gpl3/gdb.old/dist/gdb/testsuite/gdb.python/py-events.py (revision 181254a7b1bdde6873432bffef2d2decc4b5c22f)
1# Copyright (C) 2010-2017 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.
18import gdb
19
20def 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
29def 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
42def 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
49def 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
55def 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
60def clear_objfiles_handler (event):
61    assert (isinstance (event, gdb.ClearObjFilesEvent))
62    print ("event type: clear_objfiles")
63    print ("progspace: %s" % (event.progspace.filename))
64
65def 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
75def 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
82def 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
89class 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
105test_events ()
106
107class 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
118test_newobj_events ()
119