ad10b3dc30
This test depends on having a new packet supported by debugserver; skip it until we have a system debugserver installed on the CI bots with this change.
61 lines
2.2 KiB
Python
61 lines
2.2 KiB
Python
"""Test that we don't read objc class tables early in process startup."""
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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 lldbutil
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class TestEarlyProcessLaunch(TestBase):
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NO_DEBUG_INFO_TESTCASE = True
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@skipUnlessDarwin
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@skipIfOutOfTreeDebugserver # 2022-12-13 FIXME: skipping system debugserver
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# until this feature is included in the system
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# debugserver.
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@add_test_categories(['pyapi'])
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def test_early_process_launch(self):
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"""Test that we don't read objc class tables early in proc startup"""
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self.build()
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###
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### Hit a breakpoint on the first malloc() call, which
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### is before libSystem has finished initializing. At
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### this point, we should not read the objc class tables.
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### Then continue to main(), which is past libSystem
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### initializing. Try again, and they should be read.
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###
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### Use the types logging to detect the difference.
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target, process, _, bkpt = lldbutil.run_to_name_breakpoint(
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self, 'malloc')
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target.DisableAllBreakpoints()
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target.BreakpointCreateByName("main")
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logfile_early = os.path.join(self.getBuildDir(), "types-log-early.txt")
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self.addTearDownHook(lambda: self.runCmd("log disable lldb types"))
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self.runCmd("log enable -f %s lldb types" % logfile_early)
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self.runCmd("p global = 15")
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err = process.Continue()
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self.assertTrue(err.Success())
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logfile_later = os.path.join(self.getBuildDir(), "types-log-later.txt")
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self.runCmd("log enable -f %s lldb types" % logfile_later)
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self.runCmd("p global = 25")
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self.assertTrue(os.path.exists(logfile_early))
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self.assertTrue(os.path.exists(logfile_later))
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early_text = open(logfile_early).read()
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later_text = open(logfile_later).read()
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self.assertIn("ran: no, retry: yes", early_text)
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self.assertNotIn("ran: no, retry: yes", later_text)
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self.assertNotIn("ran: yes, retry: no", early_text)
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self.assertIn("ran: yes, retry: no", later_text)
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