71 lines
2.8 KiB
Python
71 lines
2.8 KiB
Python
"""
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Test that we work properly with classes with the trivial_abi attribute
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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 TestTrivialABI(TestBase):
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NO_DEBUG_INFO_TESTCASE = True
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@skipUnlessSupportedTypeAttribute("trivial_abi")
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@expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr37995")
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@expectedFailureAll(archs=["aarch64"], oslist=["freebsd", "linux"],
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bugnumber="llvm.org/pr44161")
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def test_call_trivial(self):
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"""Test that we can print a variable & call a function with a trivial ABI class."""
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self.build()
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self.main_source_file = lldb.SBFileSpec("main.cpp")
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self.expr_test(True)
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@skipUnlessSupportedTypeAttribute("trivial_abi")
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# fixed for SysV-x86_64 ABI, but not Windows-x86_64
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@expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr36870")
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@expectedFailureAll(archs=["arm", "aarch64"], oslist=["freebsd", "linux"],
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bugnumber="llvm.org/pr44161")
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@expectedFailureAll(archs=["arm64", "arm64e"], bugnumber="<rdar://problem/57844240>")
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def test_call_nontrivial(self):
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"""Test that we can print a variable & call a function on the same class w/o the trivial ABI marker."""
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self.build()
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self.main_source_file = lldb.SBFileSpec("main.cpp")
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self.expr_test(False)
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def check_value(self, test_var, ivar_value):
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self.assertSuccess(test_var.GetError(), "Invalid valobj")
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ivar = test_var.GetChildMemberWithName("ivar")
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self.assertSuccess(test_var.GetError(), "Failed to fetch ivar")
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self.assertEqual(ivar_value, ivar.GetValueAsSigned(), "Got the right value for ivar")
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def check_frame(self, thread):
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frame = thread.frames[0]
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inVal_var = frame.FindVariable("inVal")
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self.check_value(inVal_var, 10)
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options = lldb.SBExpressionOptions()
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inVal_expr = frame.EvaluateExpression("inVal", options)
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self.check_value(inVal_expr, 10)
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thread.StepOut()
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outVal_ret = thread.GetStopReturnValue()
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self.check_value(outVal_ret, 30)
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def expr_test(self, trivial):
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(target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(self,
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"Set a breakpoint here", self.main_source_file)
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# Stop in a function that takes a trivial value, and try both frame var & expr to get its value:
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if trivial:
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self.check_frame(thread)
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return
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# Now continue to the same thing without the trivial_abi and see if we get that right:
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threads = lldbutil.continue_to_breakpoint(process, bkpt)
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self.assertEqual(len(threads), 1, "Hit my breakpoint the second time.")
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self.check_frame(threads[0])
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