Merge pull request swiftlang#10296 from felipepiovezan/felipe/read_write_registers_thread_memory_cherry-pick

Author: felipepiovezan

lldb/source/Plugins/Process/Utility/RegisterContextThreadMemory.cpp

@@ -114,6 +114,14 @@ bool RegisterContextThreadMemory::ReadAllRegisterValues(
   return false;
 }
 
+bool RegisterContextThreadMemory::ReadAllRegisterValues(
+    lldb_private::RegisterCheckpoint &reg_checkpoint) {
+  UpdateRegisterContext();
+  if (m_reg_ctx_sp)
+    return m_reg_ctx_sp->ReadAllRegisterValues(reg_checkpoint);
+  return false;
+}
+
 bool RegisterContextThreadMemory::WriteAllRegisterValues(
     const lldb::DataBufferSP &data_sp) {
   UpdateRegisterContext();
@@ -122,6 +130,14 @@ bool RegisterContextThreadMemory::WriteAllRegisterValues(
   return false;
 }
 
+bool RegisterContextThreadMemory::WriteAllRegisterValues(
+    const lldb_private::RegisterCheckpoint &reg_checkpoint) {
+  UpdateRegisterContext();
+  if (m_reg_ctx_sp)
+    return m_reg_ctx_sp->WriteAllRegisterValues(reg_checkpoint);
+  return false;
+}
+
 bool RegisterContextThreadMemory::CopyFromRegisterContext(
     lldb::RegisterContextSP reg_ctx_sp) {
   UpdateRegisterContext();

lldb/source/Plugins/Process/Utility/RegisterContextThreadMemory.h

@@ -52,8 +52,12 @@ class RegisterContextThreadMemory : public lldb_private::RegisterContext {
   // so these API's should only be used when this behavior is needed.
 
   bool ReadAllRegisterValues(lldb::WritableDataBufferSP &data_sp) override;
+  bool ReadAllRegisterValues(
+      lldb_private::RegisterCheckpoint &reg_checkpoint) override;
 
   bool WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override;
+  bool WriteAllRegisterValues(
+      const lldb_private::RegisterCheckpoint &reg_checkpoint) override;
 
   bool CopyFromRegisterContext(lldb::RegisterContextSP context);
 

lldb/test/API/lang/swift/async/expr/TestSwiftAsyncExpressions.py

@@ -18,3 +18,6 @@ def test_actor(self):
         target, process, thread, main_bkpt = lldbutil.run_to_source_breakpoint(
             self, 'break here', lldb.SBFileSpec("main.swift"))
         self.expect("expr n", substrs=["42"])
+        process.Continue()
+        stop_desc = process.GetSelectedThread().GetStopDescription(1024)
+        self.assertNotIn("EXC_BAD_ACCESS", stop_desc)