artulab.com Git - openbsd/blob

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