xref: /llvm-project/lldb/test/API/functionalities/thread/crash_during_step/TestCrashDuringStep.py (revision 2238dcc39358353cac21df75c3c3286ab20b8f53)

"""
Test that step-inst over a crash behaves correctly.
"""


import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil


class CrashDuringStepTestCase(TestBase):
    def setUp(self):
        TestBase.setUp(self)
        self.breakpoint = line_number("main.cpp", "// Set breakpoint here")

    # IO error due to breakpoint at invalid address
    @expectedFailureAll(triple=re.compile("^mips"))
    @skipIf(oslist=["windows"], archs=["aarch64"])
    def test_step_inst_with(self):
        """Test thread creation during step-inst handling."""
        self.build()
        exe = self.getBuildArtifact("a.out")

        target = self.dbg.CreateTarget(exe)
        self.assertTrue(target and target.IsValid(), "Target is valid")

        self.bp_num = lldbutil.run_break_set_by_file_and_line(
            self, "main.cpp", self.breakpoint, num_expected_locations=1
        )

        # Run the program.
        process = target.LaunchSimple(None, None, self.get_process_working_directory())
        self.assertTrue(process and process.IsValid(), PROCESS_IS_VALID)

        # The stop reason should be breakpoint.
        self.assertEqual(process.GetState(), lldb.eStateStopped, PROCESS_STOPPED)
        thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint)
        self.assertTrue(thread.IsValid(), STOPPED_DUE_TO_BREAKPOINT)

        # Keep stepping until the inferior crashes
        while (
            process.GetState() == lldb.eStateStopped
            and not lldbutil.is_thread_crashed(self, thread)
        ):
            thread.StepInstruction(False)

        self.assertEqual(process.GetState(), lldb.eStateStopped, PROCESS_STOPPED)
        self.assertTrue(lldbutil.is_thread_crashed(self, thread), "Thread has crashed")
        process.Kill()