1 files changed, 79 insertions, 0 deletions
diff --git a/source/Plugins/Process/Utility/RegisterContextHistory.h b/source/Plugins/Process/Utility/RegisterContextHistory.h
new file mode 100644
index 000000000000..58e16080b52e
--- /dev/null
+++ b/source/Plugins/Process/Utility/RegisterContextHistory.h
@@ -0,0 +1,79 @@
+//===-- RegisterContextHistory.h ----------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef lldb_RegisterContextHistory_h_
+#define lldb_RegisterContextHistory_h_
+
+#include <vector>
+
+#include "lldb/lldb-private.h"
+#include "lldb/Target/RegisterContext.h"
+#include "lldb/Symbol/SymbolContext.h"
+
+namespace lldb_private {
+    
+class RegisterContextHistory : public lldb_private::RegisterContext
+{
+public:
+    typedef std::shared_ptr<RegisterContextHistory> SharedPtr;
+    
+    RegisterContextHistory (Thread &thread, uint32_t concrete_frame_idx, uint32_t address_byte_size, lldb::addr_t pc_value);
+    
+    ///
+    // pure virtual functions from the base class that we must implement
+    ///
+
+    virtual
+    ~RegisterContextHistory ();
+
+    virtual void
+    InvalidateAllRegisters ();
+
+    virtual size_t
+    GetRegisterCount ();
+
+    virtual const lldb_private::RegisterInfo *
+    GetRegisterInfoAtIndex (size_t reg);
+
+    virtual size_t
+    GetRegisterSetCount ();
+
+    virtual const lldb_private::RegisterSet *
+    GetRegisterSet (size_t reg_set);
+
+    virtual bool
+    ReadRegister (const lldb_private::RegisterInfo *reg_info, lldb_private::RegisterValue &value);
+
+    virtual bool
+    WriteRegister (const lldb_private::RegisterInfo *reg_info, const lldb_private::RegisterValue &value);
+
+    virtual bool
+    ReadAllRegisterValues (lldb::DataBufferSP &data_sp);
+
+    virtual bool
+    WriteAllRegisterValues (const lldb::DataBufferSP &data_sp);
+
+    virtual uint32_t
+    ConvertRegisterKindToRegisterNumber (uint32_t kind, uint32_t num);
+    
+private:
+    //------------------------------------------------------------------
+    // For RegisterContextLLDB only
+    //------------------------------------------------------------------
+    
+    lldb_private::RegisterSet m_reg_set0; // register set 0 (PC only)
+    lldb_private::RegisterInfo m_pc_reg_info;
+
+    lldb::addr_t m_pc_value;
+    
+    DISALLOW_COPY_AND_ASSIGN (RegisterContextHistory);
+};
+} // namespace lldb_private
+
+#endif  // lldb_RegisterContextHistory_h_