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#!/usr/bin/python
# GDB debugging support
#
# Copyright 2012 Red Hat, Inc. and/or its affiliates
#
# Authors:
# Avi Kivity <avi@redhat.com>
#
# This work is licensed under the terms of the GNU GPL, version 2. See
# the COPYING file in the top-level directory.
#
# Contributions after 2012-01-13 are licensed under the terms of the
# GNU GPL, version 2 or (at your option) any later version.
# Usage:
# At the (gdb) prompt, type "source scripts/qemu-gdb.py".
# "help qemu" should then list the supported QEMU debug support commands.
import gdb
import os, sys
# Annoyingly, gdb doesn't put the directory of scripts onto the
# module search path. Do it manually.
sys.path.append(os.path.dirname(__file__))
from qemugdb import mtree, coroutine
class QemuCommand(gdb.Command):
'''Prefix for QEMU debug support commands'''
def __init__(self):
gdb.Command.__init__(self, 'qemu', gdb.COMMAND_DATA,
gdb.COMPLETE_NONE, True)
QemuCommand()
coroutine.CoroutineCommand()
mtree.MtreeCommand()
# Default to silently passing through SIGUSR1, because QEMU sends it
# to itself a lot.
gdb.execute('handle SIGUSR1 pass noprint nostop')
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