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Diffstat (limited to 'gold/binary.h')
-rw-r--r-- | gold/binary.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/gold/binary.h b/gold/binary.h new file mode 100644 index 0000000..75bc731 --- /dev/null +++ b/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) |