xref: /openbmc/qemu/scripts/qemu-gdb.py (revision ad30c0b0) 
1#!/usr/bin/python
2
3# GDB debugging support
4#
5# Copyright 2012 Red Hat, Inc. and/or its affiliates
6#
7# Authors:
8#  Avi Kivity <avi@redhat.com>
9#
10# This work is licensed under the terms of the GNU GPL, version 2.  See
11# the COPYING file in the top-level directory.
12#
13# Contributions after 2012-01-13 are licensed under the terms of the
14# GNU GPL, version 2 or (at your option) any later version.
15
16# Usage:
17# At the (gdb) prompt, type "source scripts/qemu-gdb.py".
18# "help qemu" should then list the supported QEMU debug support commands.
19
20import gdb
21
22import os, sys
23
24# Annoyingly, gdb doesn't put the directory of scripts onto the
25# module search path. Do it manually.
26
27sys.path.append(os.path.dirname(__file__))
28
29from qemugdb import aio, mtree, coroutine
30
31class QemuCommand(gdb.Command):
32    '''Prefix for QEMU debug support commands'''
33    def __init__(self):
34        gdb.Command.__init__(self, 'qemu', gdb.COMMAND_DATA,
35                             gdb.COMPLETE_NONE, True)
36
37QemuCommand()
38coroutine.CoroutineCommand()
39mtree.MtreeCommand()
40aio.HandlersCommand()
41
42coroutine.CoroutineSPFunction()
43coroutine.CoroutinePCFunction()
44
45# Default to silently passing through SIGUSR1, because QEMU sends it
46# to itself a lot.
47gdb.execute('handle SIGUSR1 pass noprint nostop')
48