forked from OSchip/llvm-project
82 lines
3.0 KiB
Python
82 lines
3.0 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 os, time
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import unittest2
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import lldb
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import lldbutil
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from lldbtest import *
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class Issue11581TestCase(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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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.buildDefault()
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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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breakpoint = target.BreakpointCreateBySourceRegex('Set breakpoint here.',lldb.SBFileSpec ("main.cpp", False))
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process = target.LaunchSimple (None, None, self.get_process_working_directory())
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self.assertTrue (process, "Created a process.")
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self.assertTrue (process.GetState() == lldb.eStateStopped, "Stopped it too.")
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thread_list = lldbutil.get_threads_stopped_at_breakpoint (process, breakpoint)
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self.assertTrue (len(thread_list) == 1)
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thread = thread_list[0]
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self.runCmd("command script import --allow-reload s11588.py")
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self.runCmd("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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target = lldb.debugger.GetSelectedTarget()
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process = target.GetProcess()
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# register r14 does not exist on 32-bit architectures, it is an x86_64 extension
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# let's skip this part of the test if we are in 32-bit mode
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if process.GetAddressByteSize() == 8:
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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.assertTrue(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("register read r14",
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substrs = ["0x",hex(addr)[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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"addr = ",
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"load_address = ",
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hex(addr)[2:].rstrip("L"),
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str(addr)])
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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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