| 1 | #!/usr/bin/env python3 |
| 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 | |
| 17 | import gdb |
| 18 | |
| 19 | import os, sys |
| 20 | |
| 21 | # Annoyingly, gdb doesn't put the directory of scripts onto the |
| 22 | # module search path. Do it manually. |
| 23 | |
| 24 | sys.path.append(os.path.dirname(__file__)) |
| 25 | |
| 26 | from qemugdb import aio, mtree, coroutine, tcg, timers |
| 27 | |
| 28 | class 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 | |
| 34 | QemuCommand() |
| 35 | coroutine.CoroutineCommand() |
| 36 | mtree.MtreeCommand() |
| 37 | aio.HandlersCommand() |
| 38 | tcg.TCGLockStatusCommand() |
| 39 | timers.TimersCommand() |
| 40 | |
| 41 | coroutine.CoroutineSPFunction() |
| 42 | coroutine.CoroutinePCFunction() |
| 43 | coroutine.CoroutineBt() |
| 44 | |
| 45 | # Default to silently passing through SIGUSR1, because QEMU sends it |
| 46 | # to itself a lot. |
| 47 | gdb.execute('handle SIGUSR1 pass noprint nostop') |
| 48 | # Always print full stack for python errors, easier to debug and report issues |
| 49 | gdb.execute('set python print-stack full') |