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 or 11# later. See the COPYING file in the top-level directory. 12 13# Usage: 14# At the (gdb) prompt, type "source scripts/qemu-gdb.py". 15# "help qemu" should then list the supported QEMU debug support commands. 16 17import gdb 18 19import os, sys 20 21# Annoyingly, gdb doesn't put the directory of scripts onto the 22# module search path. Do it manually. 23 24sys.path.append(os.path.dirname(__file__)) 25 26from qemugdb import aio, mtree, coroutine, tcg, timers 27 28class QemuCommand(gdb.Command): 29 '''Prefix for QEMU debug support commands''' 30 def __init__(self): 31 gdb.Command.__init__(self, 'qemu', gdb.COMMAND_DATA, 32 gdb.COMPLETE_NONE, True) 33 34QemuCommand() 35coroutine.CoroutineCommand() 36mtree.MtreeCommand() 37aio.HandlersCommand() 38tcg.TCGLockStatusCommand() 39timers.TimersCommand() 40 41coroutine.CoroutineSPFunction() 42coroutine.CoroutinePCFunction() 43 44# Default to silently passing through SIGUSR1, because QEMU sends it 45# to itself a lot. 46gdb.execute('handle SIGUSR1 pass noprint nostop') 47