1 files changed, 51 insertions, 0 deletions
diff --git a/source/Plugins/Process/Utility/HistoryUnwind.h b/source/Plugins/Process/Utility/HistoryUnwind.h
new file mode 100644
index 0000000..0661b80
--- /dev/null
+++ b/source/Plugins/Process/Utility/HistoryUnwind.h
@@ -0,0 +1,51 @@
+//===-- HistoryUnwind.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_HistoryUnwind_h_
+#define liblldb_HistoryUnwind_h_
+
+#include <vector>
+
+#include "lldb/lldb-private.h"
+#include "lldb/Host/Mutex.h"
+#include "lldb/Target/Unwind.h"
+
+namespace lldb_private {
+
+class HistoryUnwind : public lldb_private::Unwind
+{
+public:
+    HistoryUnwind (Thread &thread, std::vector<lldb::addr_t> pcs, uint32_t stop_id, bool stop_id_is_valid);
+
+    virtual ~HistoryUnwind ();
+
+protected:
+    void
+    DoClear();
+
+    lldb::RegisterContextSP
+    DoCreateRegisterContextForFrame (StackFrame *frame);
+
+    bool
+    DoGetFrameInfoAtIndex (uint32_t frame_idx,
+                           lldb::addr_t& cfa, 
+                           lldb::addr_t& pc);
+    uint32_t
+    DoGetFrameCount ();
+
+private:
+
+    std::vector<lldb::addr_t>   m_pcs;
+    uint32_t                    m_stop_id;
+    bool                        m_stop_id_is_valid;
+};
+
+} // namespace lldb_private
+
+#endif  // liblldb_HistoryUnwind_h_