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+// Copyright (c) 2013 Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// stackwalker_address_list.h: a pseudo stackwalker.
+//
+// Doesn't actually walk a stack, rather initializes a CallStack given an
+// explicit list of already walked return addresses.
+//
+// Author: Chris Hamilton <chrisha@chromium.org>
+
+#ifndef PROCESSOR_STACKWALKER_ADDRESS_LIST_H_
+#define PROCESSOR_STACKWALKER_ADDRESS_LIST_H_
+
+#include "common/basictypes.h"
+#include "google_breakpad/common/breakpad_types.h"
+#include "google_breakpad/processor/stackwalker.h"
+
+namespace google_breakpad {
+
+class CodeModules;
+
+class StackwalkerAddressList : public Stackwalker {
+ public:
+  // Initializes this stack walker with an explicit set of frame addresses.
+  // |modules| and |frame_symbolizer| are passed directly through to the base
+  // Stackwalker constructor.
+  StackwalkerAddressList(const uint64_t* frames,
+                         size_t frame_count,
+                         const CodeModules* modules,
+                         StackFrameSymbolizer* frame_symbolizer);
+
+ private:
+  // Implementation of Stackwalker.
+  virtual StackFrame* GetContextFrame();
+  virtual StackFrame* GetCallerFrame(const CallStack* stack,
+                                     bool stack_scan_allowed);
+
+  const uint64_t* frames_;
+  size_t frame_count_;
+
+  DISALLOW_COPY_AND_ASSIGN(StackwalkerAddressList);
+};
+
+}  // namespace google_breakpad
+
+#endif  // PROCESSOR_STACKWALKER_ADDRESS_LIST_H_