Add debug fission support.

src/common/dwarf/bytereader.h

 // -*- mode: C++ -*-
 
 // Copyright (c) 2010 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.
@@ skipping 262 matching lines @@
   // length in bytes, including any padding for aligned pointers.
   //
   // This function calls 'abort' if ENCODING is invalid or refers to a
   // base address this reader hasn't been given, so you should check
   // with ValidEncoding and UsableEncoding first if you would rather
   // die in a more helpful way.
   uint64 ReadEncodedPointer(const uint8_t *buffer,
                             DwarfPointerEncoding encoding,
                             size_t *len) const;
 
+  Endianness GetEndianness() const;
  private:
 
   // Function pointer type for our address and offset readers.
   typedef uint64 (ByteReader::*AddressReader)(const uint8_t *) const;
 
   // Read an offset from BUFFER and return it as an unsigned 64 bit
   // integer.  DWARF2/3 define offsets as either 4 or 8 bytes,
   // generally depending on the amount of DWARF2/3 info present.
   // This function pointer gets set by SetOffsetSize.
   AddressReader offset_reader_;
@@ skipping 12 matching lines @@
   // Base addresses for Linux C++ exception handling data's encoded pointers.
   bool have_section_base_, have_text_base_, have_data_base_;
   bool have_function_base_;
   uint64 section_base_, text_base_, data_base_, function_base_;
   const uint8_t *buffer_base_;
 };
 
 }  // namespace dwarf2reader
 
 #endif  // COMMON_DWARF_BYTEREADER_H__