[lldb][test] Only assert function name is in user-code on Darwin platforms

The frame recognizer for the instrumentation runtimes (added in
llvm#133079) only triggers on Darwin
for `libclang_rt`. Adjust the tests accordingly.

(cherry picked from commit 5326b3b)

Author: Michael137

lldb/test/API/functionalities/asan/TestMemoryHistory.py

@@ -2,14 +2,14 @@
 Test that ASan memory history provider returns correct stack traces
 """
 
-
 import lldb
 from lldbsuite.test.decorators import *
 from lldbsuite.test.lldbtest import *
 from lldbsuite.test import lldbplatform
 from lldbsuite.test import lldbutil
 from lldbsuite.test_event.build_exception import BuildError
 
+
 class MemoryHistoryTestCase(TestBase):
     @skipIfFreeBSD  # llvm.org/pr21136 runtimes not yet available by default
     @expectedFailureNetBSD
@@ -96,9 +96,10 @@ def libsanitizers_asan_tests(self):
         )
         self.check_traces(skip_line_numbers=True)
 
-        # Make sure we're not stopped in the sanitizer library but instead at the
-        # point of failure in the user-code.
-        self.assertEqual(self.frame().GetFunctionName(), "main")
+        if self.platformIsDarwin():
+            # Make sure we're not stopped in the sanitizer library but instead at the
+            # point of failure in the user-code.
+            self.assertEqual(self.frame().GetFunctionName(), "main")
 
         # do the same using SB API
         process = self.dbg.GetSelectedTarget().process
@@ -224,9 +225,10 @@ def compiler_rt_asan_tests(self):
 
         self.check_traces()
 
-        # Make sure we're not stopped in the sanitizer library but instead at the
-        # point of failure in the user-code.
-        self.assertEqual(self.frame().GetFunctionName(), "main")
+        if self.platformIsDarwin():
+            # Make sure we're not stopped in the sanitizer library but instead at the
+            # point of failure in the user-code.
+            self.assertEqual(self.frame().GetFunctionName(), "main")
 
         # make sure the 'memory history' command still works even when we're
         # generating a report now

lldb/test/API/functionalities/asan/TestReportData.py

@@ -2,14 +2,14 @@
 Test the AddressSanitizer runtime support for report breakpoint and data extraction.
 """
 
-
 import json
 import lldb
 from lldbsuite.test.decorators import *
 from lldbsuite.test.lldbtest import *
 from lldbsuite.test import lldbutil
 from lldbsuite.test_event.build_exception import BuildError
 
+
 class AsanTestReportDataCase(TestBase):
     @skipIfFreeBSD  # llvm.org/pr21136 runtimes not yet available by default
     @expectedFailureNetBSD
@@ -67,9 +67,10 @@ def asan_tests(self, libsanitizers=False):
             lldb.eStopReasonInstrumentation,
         )
 
-        # Make sure we're not stopped in the sanitizer library but instead at the
-        # point of failure in the user-code.
-        self.assertEqual(self.frame().GetFunctionName(), "main")
+        if self.platformIsDarwin():
+            # Make sure we're not stopped in the sanitizer library but instead at the
+            # point of failure in the user-code.
+            self.assertEqual(self.frame().GetFunctionName(), "main")
 
         self.expect(
             "bt",

lldb/test/API/functionalities/tsan/basic/TestTsanBasic.py

@@ -63,11 +63,14 @@ def tsan_tests(self):
             substrs=["1 match found"],
         )
 
-        # We should not be stopped in the sanitizer library.
         process = self.dbg.GetSelectedTarget().process
         thread = process.GetSelectedThread()
         frame = thread.GetSelectedFrame()
-        self.assertIn("f2", frame.GetFunctionName())
+        if self.platformIsDarwin():
+            # We should not be stopped in the sanitizer library.
+            self.assertIn("f2", frame.GetFunctionName())
+        else:
+            self.assertIn("__tsan_on_report", frame.GetFunctionName())
 
         # The stopped thread backtrace should contain either line1 or line2
         # from main.c.

lldb/test/API/functionalities/ubsan/basic/TestUbsanBasic.py

@@ -52,8 +52,11 @@ def ubsan_tests(self):
             substrs=["1 match found"],
         )
 
-        # We should not be stopped in the sanitizer library.
-        self.assertIn("main", frame.GetFunctionName())
+        if self.platformIsDarwin():
+            # We should not be stopped in the sanitizer library.
+            self.assertIn("main", frame.GetFunctionName())
+        else:
+            self.assertIn("__ubsan_on_report", frame.GetFunctionName())
 
         # The stopped thread backtrace should contain either 'align line'
         found = False