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"""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(archs=no_match(["aarch64", "arm"]))
@skipUnlessDarwin
def test_loclist_expr(self):
self.build()
self.check_local_vars(self.launch(), check_expr=True)
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