Add support for --format binary for input files.

gold/binary.h

@@ -0,0 +1,116 @@
+// binary.h -- binary input files for gold   -*- C++ -*-
+
+// Copyright 2008 Free Software Foundation, Inc.
+// Written by Ian Lance Taylor <iant@google.com>.
+
+// This file is part of gold.
+
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+// MA 02110-1301, USA.
+
+// Support binary input files by making them look like an ELF file.
+
+#ifndef GOLD_BINARY_H
+#define GOLD_BINARY_H
+
+#include <string>
+
+#include "elfcpp.h"
+
+namespace gold
+{
+
+class Task;
+
+template<typename Stringpool_char>
+class Stringpool_template;
+
+// This class takes a file name and creates a buffer which looks like
+// an ELF file read into memory.
+
+class Binary_to_elf
+{
+ public:
+  Binary_to_elf(elfcpp::EM machine, int size, bool big_endian,
+		const std::string& filename);
+
+  ~Binary_to_elf();
+
+  // Read contents and create an ELF buffer.  Return true if this
+  // succeeds, false otherwise.
+  bool
+  convert(const Task*);
+
+  // Return a pointer to the contents of the ELF file.
+  const unsigned char*
+  converted_data() const
+  { return this->data_; }
+
+  // Return a pointer to the contents of the ELF file and let the
+  // caller take charge of it.  It was allocated using new[].
+  unsigned char*
+  converted_data_leak()
+  {
+    unsigned char* ret = this->data_;
+    this->data_ = NULL;
+    return ret;
+  }
+
+  // Return the size of the ELF file.
+  size_t
+  converted_size() const
+  { return this->filesize_; }
+
+ private:
+  Binary_to_elf(const Binary_to_elf&);
+  Binary_to_elf& operator=(const Binary_to_elf&);
+
+  template<int size, bool big_endian>
+  bool
+  sized_convert(const Task*);
+
+  template<int size, bool big_endian>
+  void
+  write_file_header(unsigned char**);
+
+  template<int size, bool big_endian>
+  void
+  write_section_header(const char*, const Stringpool_template<char>*,
+		       elfcpp::SHT, unsigned int, section_size_type,
+		       section_size_type, unsigned int, unsigned int,
+		       unsigned int, unsigned int, unsigned char**);
+
+  template<int size, bool big_endian>
+  void
+  write_symbol(const std::string&, const Stringpool_template<char>*,
+	       section_size_type, unsigned int, unsigned char**);
+
+  // The ELF machine code of the file to create.
+  elfcpp::EM elf_machine_;
+  // The size of the file to create, 32 or 64.
+  int size_;
+  // Whether to create a big endian file.
+  bool big_endian_;
+  // The name of the file to read.
+  std::string filename_;
+  // The ELF file data, allocated by new [].
+  unsigned char* data_;
+  // The ELF file size.
+  section_size_type filesize_;
+};
+
+} // End namespace gold.
+
+#endif // !defined(GOLD_BINARY_H)