66 lines
2.6 KiB
Python
66 lines
2.6 KiB
Python
"""
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Test the solution to issue 11581.
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valobj.AddressOf() returns None when an address is
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expected in a SyntheticChildrenProvider
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"""
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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 Issue11581TestCase(TestBase):
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@skipIfWindows #This test is now flaky on windows, see llvm.org/pr24778
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def test_11581_commands(self):
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# This is the function to remove the custom commands in order to have a
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# clean slate for the next test case.
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def cleanup():
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self.runCmd('type synthetic clear', check=False)
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# Execute the cleanup function during test case tear down.
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self.addTearDownHook(cleanup)
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"""valobj.AddressOf() should return correct values."""
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self.build()
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(target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(self,
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'Set breakpoint here.',
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lldb.SBFileSpec("main.cpp", False))
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self.runCmd("command script import --allow-reload s11588.py")
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self.runCmd(
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"type synthetic add --python-class s11588.Issue11581SyntheticProvider StgClosure")
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self.expect("expr --show-types -- *((StgClosure*)(r14-1))",
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substrs=["(StgClosure) $",
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"(StgClosure *) &$", "0x",
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"addr = ",
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"load_address = "])
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# register r14 is an x86_64 extension let's skip this part of the test
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# if we are on a different architecture
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if self.getArchitecture() == 'x86_64':
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target = self.dbg.GetSelectedTarget()
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process = target.GetProcess()
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frame = process.GetSelectedThread().GetSelectedFrame()
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pointer = frame.FindVariable("r14")
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addr = pointer.GetValueAsUnsigned(0)
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self.assertNotEqual(addr, 0, "could not read pointer to StgClosure")
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addr = addr - 1
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self.runCmd("register write r14 %d" % addr)
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self.expect(
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"register read r14", substrs=[
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"0x", hex(addr)[
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2:].rstrip("L")]) # Remove trailing 'L' if it exists
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self.expect("expr --show-types -- *(StgClosure*)$r14",
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substrs=["(StgClosure) $",
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"(StgClosure *) &$", "0x",
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hex(addr)[2:].rstrip("L"),
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"addr = ",
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str(addr),
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"load_address = ",
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str(addr)])
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