1 files changed, 65 insertions, 0 deletions
diff --git a/lldb/include/lldb/Target/StackID.h b/lldb/include/lldb/Target/StackID.h
new file mode 100644
index 00000000000..cf02be1c925
--- /dev/null
+++ b/lldb/include/lldb/Target/StackID.h
@@ -0,0 +1,65 @@
+//===-- StackID.h -----------------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef liblldb_StackID_h_
+#define liblldb_StackID_h_
+
+// C Includes
+// C++ Includes
+// Other libraries and framework includes
+// Project includes
+#include "lldb/lldb-private.h"
+#include "lldb/Core/AddressRange.h"
+
+namespace lldb_private {
+
+class StackID
+{
+public:
+    //------------------------------------------------------------------
+    // Constructors and Destructors
+    //------------------------------------------------------------------
+    StackID ();
+    explicit StackID (lldb::addr_t cfa);
+    StackID (const Address& start_address, lldb::addr_t cfa);
+    StackID (const StackID& rhs);
+    virtual ~StackID();
+
+    const Address&
+    GetStartAddress() const;
+
+    void
+    SetStartAddress(const Address& start_address);
+
+    lldb::addr_t
+    GetCallFrameAddress() const;
+
+    //------------------------------------------------------------------
+    // Operators
+    //------------------------------------------------------------------
+    const StackID&
+    operator=(const StackID& rhs);
+
+protected:
+    //------------------------------------------------------------------
+    // Classes that inherit from StackID can see and modify these
+    //------------------------------------------------------------------
+    Address m_start_address;    // The address range for the function for this frame
+    lldb::addr_t m_cfa;         // The call frame address (stack pointer) value
+                                // at the beginning of the function that uniquely
+                                // identifies this frame
+};
+
+bool operator== (const StackID& lhs, const StackID& rhs);
+bool operator!= (const StackID& lhs, const StackID& rhs);
+bool operator<  (const StackID& lhs, const StackID& rhs);
+
+} // namespace lldb_private
+
+#endif  // liblldb_StackID_h_