voltron/voltron/entry.py at master · JasonCC/voltron · GitHub

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"""

This is the main entry point for Voltron from the debugger host's perspective.

This file is loaded into the debugger through whatever means the given host

supports.

LLDB:

(lldb) command script import /path/to/voltron/entry.py

GDB:

(gdb) source /path/to/voltron/entry.py

VDB:

(vdb) script /path/to/voltron/entry.py

WinDbg/CDB (via PyKD):

> .load pykd.pyd

> !py --global C:\path\to\voltron\entry.py

"""

log = None

try:

# fix path if it's clobbered by brew

import sys

if sys.platform == 'darwin':

py_base = '/System/Library/Frameworks/Python.framework/Versions/2.7/'

new_path = ['lib/python27.zip', 'lib/python2.7', 'lib/python2.7/plat-darwin', 'lib/python2.7/plat-mac',

'lib/python2.7/plat-mac/lib-scriptpackages', 'Extras/lib/python', 'lib/python2.7/lib-tk',

'lib/python2.7/lib-old', 'lib/python2.7/lib-dynload']

sys.path = [p for p in sys.path if 'Cellar' not in p] + [py_base + p for p in new_path]

except:

pass

try:

import logging

import os

import sys

blessed = None

import blessed

# add vtrace to the path so that dbg_vdb.py can import from vdb/vtrace.

if "vtrace" in locals():

def parent_directory(the_path):

return os.path.abspath(os.path.join(the_path, os.pardir))

def add_vdb_to_path(vtrace):

sys.path.append(parent_directory(parent_directory(vtrace.__file__)))

add_vdb_to_path(vtrace)

else:

pass

import voltron

from voltron.plugin import pm

from voltron.core import Server

log = voltron.setup_logging('debugger')

# figure out in which debugger host we are running

args = []

host = None

try:

import lldb

host = "lldb"

def invoke(*args):

voltron.command._invoke(*args)

except ImportError:

pass

try:

import gdb

host = "gdb"

except ImportError:

pass

try:

import pykd

host = "windbg"

except:

pass

if "vtrace" in locals():

host = "vdb"

args = [db]

if not host:

raise Exception("No debugger host is present")

# register any plugins that were loaded

pm.register_plugins()

# get the debugger plugin for the host we're in

plugin = pm.debugger_plugin_for_host(host)

if not voltron.server:

# set up command and adaptor instances

voltron.debugger = plugin.adaptor_class(*args)

voltron.command = plugin.command_class(*args)

# register command plugins now that we have a debugger host loaded

pm.register_command_plugins()

# create and start the voltron server

voltron.server = Server()

voltron.server.start()

print(blessed.Terminal().bold_red("Voltron loaded."))

if host == 'lldb' and not voltron.command.registered:

print("Run `voltron init` after you load a target.")

except Exception as e:

import traceback

msg = ("An error occurred while loading Voltron:\n\n{}"

"\nPlease ensure Voltron is installed correctly per the documentation: "

"https://github.com/snare/voltron/wiki/Installation").format(traceback.format_exc())

if blessed:

msg = blessed.Terminal().bold_red(msg)

if log:

log.exception("Exception raised while loading Voltron")

print(msg)

voltron/voltron/entry.py at master · JasonCC/voltron · GitHub

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