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#!/usr/bin/env python
##===-- lui.py -----------------------------------------------*- Python -*-===##
##
# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
# See https://llvm.org/LICENSE.txt for license information.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
##
##===----------------------------------------------------------------------===##
import curses
import lldb
import lldbutil
from optparse import OptionParser
import os
import signal
import sys
import Queue
import debuggerdriver
import cui
import breakwin
import commandwin
import eventwin
import sourcewin
import statuswin
event_queue = None
def handle_args(driver, argv):
parser = OptionParser()
parser.add_option(
"-p",
"--attach",
dest="pid",
help="Attach to specified Process ID",
type="int")
parser.add_option(
"-c",
"--core",
dest="core",
help="Load specified core file",
type="string")
(options, args) = parser.parse_args(argv)
if options.pid is not None:
try:
pid = int(options.pid)
driver.attachProcess(ui, pid)
except ValueError:
print "Error: expecting integer PID, got '%s'" % options.pid
elif options.core is not None:
if not os.path.exists(options.core):
raise Exception(
"Specified core file '%s' does not exist." %
options.core)
driver.loadCore(options.core)
elif len(args) == 2:
if not os.path.isfile(args[1]):
raise Exception("Specified target '%s' does not exist" % args[1])
driver.createTarget(args[1])
elif len(args) > 2:
if not os.path.isfile(args[1]):
raise Exception("Specified target '%s' does not exist" % args[1])
driver.createTarget(args[1], args[2:])
def sigint_handler(signal, frame):
global debugger
debugger.terminate()
class LLDBUI(cui.CursesUI):
def __init__(self, screen, event_queue, driver):
super(LLDBUI, self).__init__(screen, event_queue)
self.driver = driver
h, w = self.screen.getmaxyx()
command_win_height = 20
break_win_width = 60
self.status_win = statuswin.StatusWin(0, h - 1, w, 1)
h -= 1
self.command_win = commandwin.CommandWin(
driver, 0, h - command_win_height, w, command_win_height)
h -= command_win_height
self.source_win = sourcewin.SourceWin(driver, 0, 0,
w - break_win_width - 1, h)
self.break_win = breakwin.BreakWin(driver, w - break_win_width, 0,
break_win_width, h)
self.wins = [self.status_win,
# self.event_win,
self.source_win,
self.break_win,
self.command_win,
]
self.focus = len(self.wins) - 1 # index of command window;
def handleEvent(self, event):
# hack
if isinstance(event, int):
if event == curses.KEY_F10:
self.driver.terminate()
if event == 20: # ctrl-T
def foo(cmd):
ret = lldb.SBCommandReturnObject()
self.driver.getCommandInterpreter().HandleCommand(cmd, ret)
foo('target create a.out')
foo('b main')
foo('run')
super(LLDBUI, self).handleEvent(event)
def main(screen):
signal.signal(signal.SIGINT, sigint_handler)
global event_queue
event_queue = Queue.Queue()
global debugger
debugger = lldb.SBDebugger.Create()
driver = debuggerdriver.createDriver(debugger, event_queue)
view = LLDBUI(screen, event_queue, driver)
driver.start()
# hack to avoid hanging waiting for prompts!
driver.handleCommand("settings set auto-confirm true")
handle_args(driver, sys.argv)
view.eventLoop()
if __name__ == "__main__":
try:
curses.wrapper(main)
except KeyboardInterrupt:
exit()
|
