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