1"""Test that we can debug inferiors that handle SIGSEGV by themselves"""
2
3
4
5
6import lldb
7from lldbsuite.test.decorators import *
8from lldbsuite.test.lldbtest import *
9from lldbsuite.test import lldbutil
10
11
12class HandleSegvTestCase(TestBase):
13
14    @skipIfWindows  # signals do not exist on Windows
15    @skipIfDarwin
16    @expectedFailureNetBSD
17    def test_inferior_handle_sigsegv(self):
18        self.build()
19        exe = self.getBuildArtifact("a.out")
20
21        # Create a target by the debugger.
22        target = self.dbg.CreateTarget(exe)
23        self.assertTrue(target, VALID_TARGET)
24
25        # launch
26        process = target.LaunchSimple(
27            None, None, self.get_process_working_directory())
28        self.assertTrue(process, PROCESS_IS_VALID)
29        self.assertState(process.GetState(), lldb.eStateStopped)
30        signo = process.GetUnixSignals().GetSignalNumberFromName("SIGSEGV")
31
32        thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonSignal)
33        self.assertTrue(
34            thread and thread.IsValid(),
35            "Thread should be stopped due to a signal")
36        self.assertTrue(
37            thread.GetStopReasonDataCount() >= 1,
38            "There was data in the event.")
39        self.assertEqual(thread.GetStopReasonDataAtIndex(0),
40                         signo, "The stop signal was SIGSEGV")
41
42        # Continue until we exit.
43        process.Continue()
44        self.assertState(process.GetState(), lldb.eStateExited)
45        self.assertEqual(process.GetExitStatus(), 0)
46