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 // Copyright (c) 2010 Google Inc.

 // All rights reserved.

 //

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 // modification, are permitted provided that the following conditions are

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 // in the documentation and/or other materials provided with the

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 // this software without specific prior written permission.

 //

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 // stackwalker_sparc.h: sparc-specific stackwalker.

 //

 // Provides stack frames given sparc register context and a memory region

 // corresponding to an sparc stack.

 //

 // Author: Michael Shang

 #ifndef PROCESSOR_STACKWALKER_SPARC_H__

 #define PROCESSOR_STACKWALKER_SPARC_H__

 #include "google_breakpad/common/breakpad_types.h"

 #include "google_breakpad/common/minidump_format.h"

 #include "google_breakpad/processor/stackwalker.h"

 namespace google_breakpad {

 class CodeModules;

 class StackwalkerSPARC : public Stackwalker {

  public:

   // context is a sparc context object that gives access to sparc-specific

   // register state corresponding to the innermost called frame to be

   // included in the stack.  The other arguments are passed directly through

   // to the base Stackwalker constructor.

   StackwalkerSPARC(const SystemInfo* system_info,

                    const MDRawContextSPARC* context,

                    MemoryRegion* memory,

                    const CodeModules* modules,

                    StackFrameSymbolizer* frame_symbolizer);

  private:

   // Implementation of Stackwalker, using sparc context (%fp, %sp, %pc) and

   // stack conventions

   virtual StackFrame* GetContextFrame();

   virtual StackFrame* GetCallerFrame(const CallStack* stack,

                                      bool stack_scan_allowed);

   // Stores the CPU context corresponding to the innermost stack frame to

   // be returned by GetContextFrame.

   const MDRawContextSPARC* context_;

 };

 }  // namespace google_breakpad

 #endif  // PROCESSOR_STACKWALKER_SPARC_H__