f5a198b8aa
Since we updated our buildbot setup, these have been failing. Ignore them until we have time to find the real problem, which is something to do with failing to backtrace, or missing debug info when we do.
52 lines
1.8 KiB
Python
52 lines
1.8 KiB
Python
"""
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Ensure that when the interrupt is raised we still make frame 0.
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and make sure "GetNumFrames" isn't interrupted.
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"""
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import lldb
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import lldbsuite.test.lldbutil as lldbutil
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from lldbsuite.test.lldbtest import *
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from lldbsuite.test.decorators import *
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class TestInterruptingBacktrace(TestBase):
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NO_DEBUG_INFO_TESTCASE = True
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@expectedFailureAll(oslist=["windows"], archs=["aarch64"])
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@skipIf(oslist=["linux"], archs=["arm$"])
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def test_backtrace_interrupt(self):
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"""Use RequestInterrupt followed by stack operations
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to ensure correct interrupt behavior for stacks."""
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self.build()
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self.main_source_file = lldb.SBFileSpec("main.c")
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self.bt_interrupt_test()
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def bt_interrupt_test(self):
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(target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(
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self, "Set a breakpoint here", self.main_source_file
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)
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# Now continue, and when we stop we will have crashed.
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process.Continue()
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self.dbg.RequestInterrupt()
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# Be sure to turn this off again:
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def cleanup():
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if self.dbg.InterruptRequested():
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self.dbg.CancelInterruptRequest()
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self.addTearDownHook(cleanup)
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frame_0 = thread.GetFrameAtIndex(0)
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self.assertTrue(frame_0.IsValid(), "Got a good 0th frame")
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# The interrupt flag is up already, so any attempt to backtrace
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# should be cut short:
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frame_1 = thread.GetFrameAtIndex(1)
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self.assertFalse(frame_1.IsValid(), "Prevented from getting more frames")
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# Since GetNumFrames is a contract, we don't interrupt it:
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num_frames = thread.GetNumFrames()
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print(f"Number of frames: {num_frames}")
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self.assertGreater(num_frames, 1, "Got many frames")
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self.dbg.CancelInterruptRequest()
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