63 lines
2.5 KiB
Python
63 lines
2.5 KiB
Python
import lldb
|
|
from lldbsuite.test.lldbtest import *
|
|
from lldbsuite.test.decorators import *
|
|
from lldbsuite.test.gdbclientutils import *
|
|
from lldbsuite.test.lldbgdbclient import GDBRemoteTestBase
|
|
|
|
|
|
class TestRestartBug(GDBRemoteTestBase):
|
|
|
|
@expectedFailureAll(bugnumber="llvm.org/pr24530")
|
|
def test(self):
|
|
"""
|
|
Test auto-continue behavior when a process is interrupted to deliver
|
|
an "asynchronous" packet. This simulates the situation when a process
|
|
stops on its own just as lldb client is about to interrupt it. The
|
|
client should not auto-continue in this case, unless the user has
|
|
explicitly requested that we ignore signals of this type.
|
|
"""
|
|
class MyResponder(MockGDBServerResponder):
|
|
continueCount = 0
|
|
|
|
def setBreakpoint(self, packet):
|
|
return "OK"
|
|
|
|
def interrupt(self):
|
|
# Simulate process stopping due to a raise(SIGINT) just as lldb
|
|
# is about to interrupt it.
|
|
return "T02reason:signal"
|
|
|
|
def cont(self):
|
|
self.continueCount += 1
|
|
if self.continueCount == 1:
|
|
# No response, wait for the client to interrupt us.
|
|
return None
|
|
return "W00" # Exit
|
|
|
|
self.server.responder = MyResponder()
|
|
target = self.createTarget("a.yaml")
|
|
process = self.connect(target)
|
|
self.dbg.SetAsync(True)
|
|
process.Continue()
|
|
|
|
# resume the process and immediately try to set another breakpoint. When using the remote
|
|
# stub, this will trigger a request to stop the process. Make sure we
|
|
# do not lose this signal.
|
|
bkpt = target.BreakpointCreateByAddress(0x1234)
|
|
self.assertTrue(bkpt.IsValid())
|
|
self.assertEqual(bkpt.GetNumLocations(), 1)
|
|
|
|
event = lldb.SBEvent()
|
|
while self.dbg.GetListener().WaitForEvent(2, event):
|
|
if self.TraceOn():
|
|
print("Process changing state to:",
|
|
self.dbg.StateAsCString(process.GetStateFromEvent(event)))
|
|
if process.GetStateFromEvent(event) == lldb.eStateExited:
|
|
break
|
|
|
|
# We should get only one continue packet as the client should not
|
|
# auto-continue after setting the breakpoint.
|
|
self.assertEqual(self.server.responder.continueCount, 1)
|
|
# And the process should end up in the stopped state.
|
|
self.assertState(process.GetState(), lldb.eStateStopped)
|