LXR qemu/scripts/qemu-gdb.py

   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