Files
RedBear-OS/local/recipes/dev/libclc/source/lldb/utils/lui/debuggerdriver.py
T
vasilito cb424d7448 build: static patch-sanity linter (shift-left the malformed-patch class)
verify-patch-sanity.py validates every active recipe .patch has internally-
consistent hunk line counts — catching the 'malformed patch at line N' failure
at commit/CI/preflight time instead of hours into a cook. This cycle hit that
class three times (qtwaylandscanner, sddm, xwayland), each only discovered when
cookbook tried to apply the patch.

Running it across the repo found 29 latent malformed patches (validated against
GNU patch: e.g. relibc/P3-sysv-ipc reproduces 'malformed patch at line 22').
They were harmless only because they sit in vendored recipes (baked, not re-
applied) — but would fail on any version-bump re-derivation. --fix recounts the
hunk headers (body untouched) and repaired all 29.

Wired into build-preflight.sh (Phase 1.0D) and redbear-ci.yml, with a unit test
(test-patch-sanity.sh). Skips archived/legacy trees and unvalidatable formats
(empty placeholders, bare-@@ git hunks).
2026-08-01 05:13:02 +03:00

147 lines
4.8 KiB
Python

##===-- debuggerdriver.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 lldb
import lldbutil
import sys
from threading import Thread
class DebuggerDriver(Thread):
"""Drives the debugger and responds to events."""
def __init__(self, debugger, event_queue):
Thread.__init__(self)
self.event_queue = event_queue
# This is probably not great because it does not give liblldb a chance
# to clean up
self.daemon = True
self.initialize(debugger)
def initialize(self, debugger):
self.done = False
self.debugger = debugger
self.listener = debugger.GetListener()
if not self.listener.IsValid():
raise "Invalid listener"
self.listener.StartListeningForEventClass(
self.debugger,
lldb.SBTarget.GetBroadcasterClassName(),
lldb.SBTarget.eBroadcastBitBreakpointChanged
# | lldb.SBTarget.eBroadcastBitModuleLoaded
# | lldb.SBTarget.eBroadcastBitModuleUnloaded
| lldb.SBTarget.eBroadcastBitWatchpointChanged
# | lldb.SBTarget.eBroadcastBitSymbolLoaded
)
self.listener.StartListeningForEventClass(
self.debugger,
lldb.SBThread.GetBroadcasterClassName(),
lldb.SBThread.eBroadcastBitStackChanged
# lldb.SBThread.eBroadcastBitBreakpointChanged
| lldb.SBThread.eBroadcastBitThreadSuspended
| lldb.SBThread.eBroadcastBitThreadResumed
| lldb.SBThread.eBroadcastBitSelectedFrameChanged
| lldb.SBThread.eBroadcastBitThreadSelected,
)
self.listener.StartListeningForEventClass(
self.debugger,
lldb.SBProcess.GetBroadcasterClassName(),
lldb.SBProcess.eBroadcastBitStateChanged
| lldb.SBProcess.eBroadcastBitInterrupt
| lldb.SBProcess.eBroadcastBitSTDOUT
| lldb.SBProcess.eBroadcastBitSTDERR
| lldb.SBProcess.eBroadcastBitProfileData,
)
self.listener.StartListeningForEventClass(
self.debugger,
lldb.SBCommandInterpreter.GetBroadcasterClass(),
lldb.SBCommandInterpreter.eBroadcastBitThreadShouldExit
| lldb.SBCommandInterpreter.eBroadcastBitResetPrompt
| lldb.SBCommandInterpreter.eBroadcastBitQuitCommandReceived
| lldb.SBCommandInterpreter.eBroadcastBitAsynchronousOutputData
| lldb.SBCommandInterpreter.eBroadcastBitAsynchronousErrorData,
)
def createTarget(self, target_image, args=None):
self.handleCommand("target create %s" % target_image)
if args is not None:
self.handleCommand("settings set target.run-args %s" % args)
def attachProcess(self, pid):
self.handleCommand("process attach -p %d" % pid)
pass
def loadCore(self, corefile):
self.handleCommand("target create -c %s" % corefile)
pass
def setDone(self):
self.done = True
def isDone(self):
return self.done
def getPrompt(self):
return self.debugger.GetPrompt()
def getCommandInterpreter(self):
return self.debugger.GetCommandInterpreter()
def getSourceManager(self):
return self.debugger.GetSourceManager()
def setSize(self, width, height):
# FIXME: respect height
self.debugger.SetTerminalWidth(width)
def getTarget(self):
return self.debugger.GetTargetAtIndex(0)
def handleCommand(self, cmd):
ret = lldb.SBCommandReturnObject()
self.getCommandInterpreter().HandleCommand(cmd, ret)
return ret
def eventLoop(self):
while not self.isDone():
event = lldb.SBEvent()
got_event = self.listener.WaitForEvent(lldb.UINT32_MAX, event)
if got_event and not event.IsValid():
self.winAddStr("Warning: Invalid or no event...")
continue
elif not event.GetBroadcaster().IsValid():
continue
self.event_queue.put(event)
def run(self):
self.eventLoop()
def terminate(self):
lldb.SBDebugger.Terminate()
sys.exit(0)
def createDriver(debugger, event_queue):
driver = DebuggerDriver(debugger, event_queue)
# driver.start()
# if pid specified:
# - attach to pid
# else if core file specified
# - create target from corefile
# else
# - create target from file
# - settings append target.run-args <args-from-cmdline>
# source .lldbinit file
return driver