84 lines
2.9 KiB
Python
84 lines
2.9 KiB
Python
"""Test lldb reloads the inferior after it was changed during the session."""
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import time
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import lldb
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from lldbsuite.test.decorators import *
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from lldbsuite.test.lldbtest import *
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from lldbsuite.test import configuration
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from lldbsuite.test import lldbutil
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class ChangedInferiorTestCase(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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@skipIf(hostoslist=["windows"])
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@no_debug_info_test
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@skipIfReproducer # VFS is a snapshot.
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def test_inferior_crashing(self):
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"""Test lldb reloads the inferior after it was changed during the session."""
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self.build()
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self.inferior_crashing()
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self.cleanup()
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# lldb needs to recognize the inferior has changed. If lldb needs to check the
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# new module timestamp, make sure it is not the same as the old one, so add a
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# 1 second delay.
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time.sleep(1)
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d = {'C_SOURCES': 'main2.c'}
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self.build(dictionary=d)
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self.setTearDownCleanup(dictionary=d)
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self.inferior_not_crashing()
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def setUp(self):
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# Call super's setUp().
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TestBase.setUp(self)
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# Find the line number of the crash.
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self.line1 = line_number('main.c', '// Crash here.')
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self.line2 = line_number('main2.c', '// Not crash here.')
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def inferior_crashing(self):
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"""Inferior crashes upon launching; lldb should catch the event and stop."""
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self.exe = self.getBuildArtifact("a.out")
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self.runCmd("file " + self.exe, CURRENT_EXECUTABLE_SET)
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self.runCmd("run", RUN_SUCCEEDED)
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# We should have one crashing thread
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self.assertEqual(
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len(lldbutil.get_crashed_threads(self, self.dbg.GetSelectedTarget().GetProcess())),
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1,
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STOPPED_DUE_TO_EXC_BAD_ACCESS)
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# And it should report the correct line number.
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self.expect("thread backtrace all", substrs=['main.c:%d' % self.line1])
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def inferior_not_crashing(self):
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"""Test lldb reloads the inferior after it was changed during the session."""
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self.runCmd("process kill")
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self.runCmd("run", RUN_SUCCEEDED)
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self.runCmd("process status")
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self.assertNotEqual(
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len(lldbutil.get_crashed_threads(self, self.dbg.GetSelectedTarget().GetProcess())),
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1,
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"Inferior changed, but lldb did not perform a reload")
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# Break inside the main.
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lldbutil.run_break_set_by_file_and_line(
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self, "main2.c", self.line2, num_expected_locations=1, loc_exact=True)
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self.runCmd("run", RUN_SUCCEEDED)
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# The stop reason of the thread should be breakpoint.
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self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
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substrs=['stopped',
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'stop reason = breakpoint'])
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self.runCmd("frame variable int_ptr")
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self.expect("frame variable *int_ptr",
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substrs=['= 7'])
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self.expect("expression *int_ptr",
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substrs=['= 7'])
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