xref: /llvm-project/lldb/test/API/functionalities/thread/crash_during_step/TestCrashDuringStep.py (revision 2238dcc39358353cac21df75c3c3286ab20b8f53)
1"""
2Test that step-inst over a crash behaves correctly.
3"""
4
5
6import lldb
7from lldbsuite.test.decorators import *
8from lldbsuite.test.lldbtest import *
9from lldbsuite.test import lldbutil
10
11
12class CrashDuringStepTestCase(TestBase):
13    def setUp(self):
14        TestBase.setUp(self)
15        self.breakpoint = line_number("main.cpp", "// Set breakpoint here")
16
17    # IO error due to breakpoint at invalid address
18    @expectedFailureAll(triple=re.compile("^mips"))
19    @skipIf(oslist=["windows"], archs=["aarch64"])
20    def test_step_inst_with(self):
21        """Test thread creation during step-inst handling."""
22        self.build()
23        exe = self.getBuildArtifact("a.out")
24
25        target = self.dbg.CreateTarget(exe)
26        self.assertTrue(target and target.IsValid(), "Target is valid")
27
28        self.bp_num = lldbutil.run_break_set_by_file_and_line(
29            self, "main.cpp", self.breakpoint, num_expected_locations=1
30        )
31
32        # Run the program.
33        process = target.LaunchSimple(None, None, self.get_process_working_directory())
34        self.assertTrue(process and process.IsValid(), PROCESS_IS_VALID)
35
36        # The stop reason should be breakpoint.
37        self.assertEqual(process.GetState(), lldb.eStateStopped, PROCESS_STOPPED)
38        thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint)
39        self.assertTrue(thread.IsValid(), STOPPED_DUE_TO_BREAKPOINT)
40
41        # Keep stepping until the inferior crashes
42        while (
43            process.GetState() == lldb.eStateStopped
44            and not lldbutil.is_thread_crashed(self, thread)
45        ):
46            thread.StepInstruction(False)
47
48        self.assertEqual(process.GetState(), lldb.eStateStopped, PROCESS_STOPPED)
49        self.assertTrue(lldbutil.is_thread_crashed(self, thread), "Thread has crashed")
50        process.Kill()
51