xref: /llvm-project/lldb/test/API/functionalities/signal/handle-segv/TestHandleSegv.py (revision 9c2468821ec51defd09c246fea4a47886fff8c01)
1"""Test that we can debug inferiors that handle SIGSEGV by themselves"""
2
3
4import lldb
5from lldbsuite.test.decorators import *
6from lldbsuite.test.lldbtest import *
7from lldbsuite.test import lldbutil
8
9
10class HandleSegvTestCase(TestBase):
11    @skipIfWindows  # signals do not exist on Windows
12    @skipIfDarwin
13    @expectedFailureNetBSD
14    def test_inferior_handle_sigsegv(self):
15        self.build()
16        exe = self.getBuildArtifact("a.out")
17
18        # Create a target by the debugger.
19        target = self.dbg.CreateTarget(exe)
20        self.assertTrue(target, VALID_TARGET)
21
22        # launch
23        process = target.LaunchSimple(None, None, self.get_process_working_directory())
24        self.assertTrue(process, PROCESS_IS_VALID)
25        self.assertState(process.GetState(), lldb.eStateStopped)
26        signo = process.GetUnixSignals().GetSignalNumberFromName("SIGSEGV")
27
28        thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonSignal)
29        self.assertTrue(
30            thread and thread.IsValid(), "Thread should be stopped due to a signal"
31        )
32        self.assertGreaterEqual(
33            thread.GetStopReasonDataCount(), 1, "There was data in the event."
34        )
35        self.assertEqual(
36            thread.GetStopReasonDataAtIndex(0), signo, "The stop signal was SIGSEGV"
37        )
38
39        # Continue until we exit.
40        process.Continue()
41        self.assertState(process.GetState(), lldb.eStateExited)
42        self.assertEqual(process.GetExitStatus(), 0)
43