xemu/scripts/qemu-gdb.py
Maxim Levitsky b9a0de3773 scripts/gdb: implement 'qemu bt'
This script first runs the regular gdb's 'bt' command, and then if we are in a
coroutine it prints the coroutines backtraces in the order in which they
were called.

Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-Id: <20201217155436.927320-3-mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-01-12 12:38:03 +01:00

48 lines
1.2 KiB
Python

#!/usr/bin/env python3
#
# 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 or
# later. See the COPYING file in the top-level directory.
# 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 aio, mtree, coroutine, tcg, timers
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()
aio.HandlersCommand()
tcg.TCGLockStatusCommand()
timers.TimersCommand()
coroutine.CoroutineSPFunction()
coroutine.CoroutinePCFunction()
coroutine.CoroutineBt()
# Default to silently passing through SIGUSR1, because QEMU sends it
# to itself a lot.
gdb.execute('handle SIGUSR1 pass noprint nostop')