89 lines
3.1 KiB
Python
89 lines
3.1 KiB
Python
"""Test lldb reloads the inferior after it was changed during the session."""
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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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import lldbutil
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class ChangedInferiorTestCase(TestBase):
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mydir = os.path.join("functionalities", "inferior-changed")
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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 lldb reloads the inferior after it was changed during the session."""
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self.buildDsym()
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self.inferior_crashing()
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self.cleanup()
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d = {'C_SOURCES': 'main2.c'}
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self.buildDsym(dictionary=d)
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self.setTearDownCleanup(dictionary=d)
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self.inferior_not_crashing()
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def test_inferior_crashing_dwarf(self):
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"""Test lldb reloads the inferior after it was changed during the session."""
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self.buildDwarf()
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self.inferior_crashing()
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self.cleanup()
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d = {'C_SOURCES': 'main2.c'}
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self.buildDwarf(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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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.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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if 'EXC_BAD_ACCESS' in self.res.GetOutput():
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self.fail("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 (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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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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