[Lldb-commits] [lldb] [lldb] Add support for large watchpoints in lldb (PR #79962)

[David Spickett via lldb-commits]

================
@@ -0,0 +1,101 @@
+"""
+Watch a large unaligned memory region that
+lldb will need multiple hardware watchpoints
+to cover.
+"""
+
+
+import lldb
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
+
+
+class UnalignedLargeWatchpointTestCase(TestBase):
+    def continue_and_report_stop_reason(self, process, iter_str):
+        if self.TraceOn():
+            self.runCmd("script print('continue')")
+        process.Continue()
+        self.assertIn(
+            process.GetState(), [lldb.eStateStopped, lldb.eStateExited], iter_str
+        )
+        thread = process.GetSelectedThread()
+        return thread.GetStopReason()
+
+    NO_DEBUG_INFO_TESTCASE = True
+
+    # Test on 64-bit targets where we probably have
+    # four watchpoint registers that can watch doublewords (8-byte).
+    @skipIf(archs=no_match(["arm64", "arm64e", "aarch64", "x86_64"]))
+    def test_unaligned_large_watchpoint(self):
+        """Test watching an unaligned region of memory that requires multiple watchpoints."""
+        self.build()
+        self.main_source_file = lldb.SBFileSpec("main.c")
+        (target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(
----------------
DavidSpickett wrote:

You don't need ():
target, process, thread, bkpt = ...
Works fine.

https://github.com/llvm/llvm-project/pull/79962