forked from OSchip/llvm-project
81 lines
2.8 KiB
Python
81 lines
2.8 KiB
Python
"""Test that lldb reliably catches the inferior crashing."""
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import os, time
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import unittest2
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import lldb
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from lldbtest import *
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class CrashingInferiorTestCase(TestBase):
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mydir = os.path.join("functionalities", "inferior-crashing")
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@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
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def test_inferior_crashing_dsym(self):
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"""Test that lldb reliably catches the inferior crashing (command)."""
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self.buildDsym()
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self.inferior_crashing()
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def test_inferior_crashing_dwarf(self):
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"""Test that lldb reliably catches the inferior crashing (command)."""
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self.buildDwarf()
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self.inferior_crashing()
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@python_api_test
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def test_inferior_crashing_python(self):
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"""Test that lldb reliably catches the inferior crashing (Python API)."""
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self.buildDefault()
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self.inferior_crashing_python()
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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.line = line_number('main.c', '// 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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exe = os.path.join(os.getcwd(), "a.out")
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self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
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self.runCmd("run", RUN_SUCCEEDED)
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# The stop reason of the thread should be a bad access exception.
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self.expect("thread list", STOPPED_DUE_TO_EXC_BAD_ACCESS,
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substrs = ['stopped',
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'stop reason = EXC_BAD_ACCESS'])
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# And it should report the correct line number.
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self.expect("thread backtrace all",
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substrs = ['stop reason = EXC_BAD_ACCESS',
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'main.c:%d' % self.line])
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def inferior_crashing_python(self):
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"""Inferior crashes upon launching; lldb should catch the event and stop."""
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exe = os.path.join(os.getcwd(), "a.out")
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target = self.dbg.CreateTarget(exe)
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self.assertTrue(target, VALID_TARGET)
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# Now launch the process, and do not stop at entry point.
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# Both argv and envp are null.
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process = target.LaunchSimple(None, None, os.getcwd())
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import lldbutil
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if process.GetState() != lldb.eStateStopped:
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self.fail("Process should be in the 'stopped' state, "
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"instead the actual state is: '%s'" %
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lldbutil.state_type_to_str(process.GetState()))
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thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonException)
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if not thread:
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self.fail("Fail to stop the thread upon bad access exception")
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if self.TraceOn():
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lldbutil.print_stacktrace(thread)
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if __name__ == '__main__':
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import atexit
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lldb.SBDebugger.Initialize()
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atexit.register(lambda: lldb.SBDebugger.Terminate())
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unittest2.main()
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