| """Test that lldb picks the correct DWARF location list entry with a return-pc out of bounds.""" |
| |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class LocationListLookupTestCase(TestBase): |
| def launch(self) -> lldb.SBProcess: |
| exe = self.getBuildArtifact("a.out") |
| target = self.dbg.CreateTarget(exe) |
| self.assertTrue(target, VALID_TARGET) |
| self.dbg.SetAsync(False) |
| |
| li = lldb.SBLaunchInfo(["a.out"]) |
| error = lldb.SBError() |
| process = target.Launch(li, error) |
| self.assertTrue(process.IsValid()) |
| self.assertTrue(process.is_stopped) |
| |
| return process |
| |
| def check_local_vars(self, process: lldb.SBProcess, check_expr: bool): |
| # Find `bar` on the stack, then |
| # make sure we can read out the local |
| # variables (with both `frame var` and `expr`) |
| for f in process.GetSelectedThread().frames: |
| frame_name = f.GetDisplayFunctionName() |
| if frame_name is not None and frame_name.startswith("Foo::bar"): |
| argv = f.GetValueForVariablePath("argv").GetChildAtIndex(0) |
| strm = lldb.SBStream() |
| argv.GetDescription(strm) |
| self.assertNotEqual(strm.GetData().find("a.out"), -1) |
| |
| if check_expr: |
| process.GetSelectedThread().SetSelectedFrame(f.idx) |
| self.expect_expr("this", result_type="Foo *") |
| |
| @skipIf(oslist=["linux"], archs=["arm"]) |
| @skipIfDarwin |
| def test_loclist_frame_var(self): |
| self.build() |
| self.check_local_vars(self.launch(), check_expr=False) |
| |
| @skipIf(dwarf_version=["<", "3"]) |
| @skipIf(compiler="clang", compiler_version=["<", "12.0"]) |
| @skipUnlessDarwin |
| def test_loclist_expr(self): |
| self.build() |
| self.check_local_vars(self.launch(), check_expr=True) |
