[Lldb-commits] [lldb] [lldb] [Mach-O] ProcessMachCore needs to strip TBI data from addrs (PR #84998)

[David Spickett via lldb-commits]

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@@ -0,0 +1,49 @@
+"""Test that lldb on Darwin ignores metadata in the top byte of addresses."""
+
+import os
+import re
+import subprocess
+
+import lldb
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
+
+
+class TestTBIHonored(TestBase):
+    @no_debug_info_test
+    @skipUnlessDarwin
+    @skipIf(archs=no_match(["arm64", "arm64e"]))
+    @skipIfRemote
+    def do_variable_access_tests(self, frame):
+        self.assertEqual(
+            frame.variables["pb"][0]
+            .GetChildMemberWithName("p")
+            .Dereference()
+            .GetValueAsUnsigned(),
+            15,
+        )
+        addr = frame.variables["pb"][0].GetChildMemberWithName("p").GetValueAsUnsigned()
+        self.expect("expr -- *pb.p", substrs=["15"])
+        self.expect("frame variable *pb.p", substrs=["15"])
+        self.expect("expr -- *(int*)0x%x" % addr, substrs=["15"])
+
+    def test(self):
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DavidSpickett wrote:

I think the test framework is going to run this method as the test case, so put the decorators on this instead.

https://github.com/llvm/llvm-project/pull/84998