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.  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, tcg, timers
  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()
  41tcg.TCGLockStatusCommand()
  42timers.TimersCommand()
  43
  44coroutine.CoroutineSPFunction()
  45coroutine.CoroutinePCFunction()
  46
  47# Default to silently passing through SIGUSR1, because QEMU sends it
  48# to itself a lot.
  49gdb.execute('handle SIGUSR1 pass noprint nostop')
  50