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"""Test that we can debug inferiors that handle SIGSEGV by themselves"""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class HandleSegvTestCase(TestBase):
@skipIfWindows # signals do not exist on Windows
@skipIfDarwin
@expectedFailureNetBSD
def test_inferior_handle_sigsegv(self):
self.build()
exe = self.getBuildArtifact("a.out")
# Create a target by the debugger.
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
# launch
process = target.LaunchSimple(None, None, self.get_process_working_directory())
self.assertTrue(process, PROCESS_IS_VALID)
self.assertState(process.GetState(), lldb.eStateStopped)
signo = process.GetUnixSignals().GetSignalNumberFromName("SIGSEGV")
thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonSignal)
self.assertTrue(
thread and thread.IsValid(), "Thread should be stopped due to a signal"
)
self.assertGreaterEqual(
thread.GetStopReasonDataCount(), 1, "There was data in the event."
)
self.assertEqual(
thread.GetStopReasonDataAtIndex(0), signo, "The stop signal was SIGSEGV"
)
# Continue until we exit.
process.Continue()
self.assertState(process.GetState(), lldb.eStateExited)
self.assertEqual(process.GetExitStatus(), 0)
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