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