| #!/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 |
| |
| try: |
| import queue |
| except ImportError: |
| import Queue as 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() |