1 files changed, 66 insertions, 0 deletions
diff --git a/lldb/source/Plugins/Process/Utility/UnwindLibUnwind.h b/lldb/source/Plugins/Process/Utility/UnwindLibUnwind.h
new file mode 100644
index 00000000000..d91f164a2f9
--- /dev/null
+++ b/lldb/source/Plugins/Process/Utility/UnwindLibUnwind.h
@@ -0,0 +1,66 @@
+//===-- UnwindLibUnwind.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_UnwindLibUnwind_h_
+#define lldb_UnwindLibUnwind_h_
+
+// C Includes
+// C++ Includes
+#include <vector>
+
+// Other libraries and framework includes
+#include "libunwind.h"
+
+// Project includes
+#include "lldb/lldb-private.h"
+#include "lldb/Target/Unwind.h"
+
+class UnwindLibUnwind : public lldb_private::Unwind
+{
+public: 
+    UnwindLibUnwind (lldb_private::Thread &thread, 
+                     lldb_private::unw_addr_space_t addr_space);
+    
+    virtual
+    ~UnwindLibUnwind()
+    {
+    }
+    
+    virtual void
+    Clear()
+    {
+        m_cursors.clear();
+    }
+
+    virtual uint32_t
+    GetFrameCount();
+
+    bool
+    GetFrameInfoAtIndex (uint32_t frame_idx,
+                         lldb::addr_t& cfa, 
+                         lldb::addr_t& pc);
+    
+    lldb_private::RegisterContext *
+    CreateRegisterContextForFrame (lldb_private::StackFrame *frame);
+
+    lldb_private::Thread &
+    GetThread();
+
+private:
+    lldb_private::unw_addr_space_t m_addr_space;
+    std::vector<lldb_private::unw_cursor_t> m_cursors;
+    uint32_t m_pc_regnum;
+    uint32_t m_sp_regnum;
+    //------------------------------------------------------------------
+    // For UnwindLibUnwind only
+    //------------------------------------------------------------------
+    DISALLOW_COPY_AND_ASSIGN (UnwindLibUnwind);
+};
+
+#endif  // lldb_UnwindLibUnwind_h_