1*a9fa9459Szrj // binary.h -- binary input files for gold -*- C++ -*- 2*a9fa9459Szrj 3*a9fa9459Szrj // Copyright (C) 2008-2016 Free Software Foundation, Inc. 4*a9fa9459Szrj // Written by Ian Lance Taylor <iant@google.com>. 5*a9fa9459Szrj 6*a9fa9459Szrj // This file is part of gold. 7*a9fa9459Szrj 8*a9fa9459Szrj // This program is free software; you can redistribute it and/or modify 9*a9fa9459Szrj // it under the terms of the GNU General Public License as published by 10*a9fa9459Szrj // the Free Software Foundation; either version 3 of the License, or 11*a9fa9459Szrj // (at your option) any later version. 12*a9fa9459Szrj 13*a9fa9459Szrj // This program is distributed in the hope that it will be useful, 14*a9fa9459Szrj // but WITHOUT ANY WARRANTY; without even the implied warranty of 15*a9fa9459Szrj // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16*a9fa9459Szrj // GNU General Public License for more details. 17*a9fa9459Szrj 18*a9fa9459Szrj // You should have received a copy of the GNU General Public License 19*a9fa9459Szrj // along with this program; if not, write to the Free Software 20*a9fa9459Szrj // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 21*a9fa9459Szrj // MA 02110-1301, USA. 22*a9fa9459Szrj 23*a9fa9459Szrj // Support binary input files by making them look like an ELF file. 24*a9fa9459Szrj 25*a9fa9459Szrj #ifndef GOLD_BINARY_H 26*a9fa9459Szrj #define GOLD_BINARY_H 27*a9fa9459Szrj 28*a9fa9459Szrj #include <string> 29*a9fa9459Szrj 30*a9fa9459Szrj #include "elfcpp.h" 31*a9fa9459Szrj 32*a9fa9459Szrj namespace gold 33*a9fa9459Szrj { 34*a9fa9459Szrj 35*a9fa9459Szrj class Task; 36*a9fa9459Szrj 37*a9fa9459Szrj template<typename Stringpool_char> 38*a9fa9459Szrj class Stringpool_template; 39*a9fa9459Szrj 40*a9fa9459Szrj // This class takes a file name and creates a buffer which looks like 41*a9fa9459Szrj // an ELF file read into memory. 42*a9fa9459Szrj 43*a9fa9459Szrj class Binary_to_elf 44*a9fa9459Szrj { 45*a9fa9459Szrj public: 46*a9fa9459Szrj Binary_to_elf(elfcpp::EM machine, int size, bool big_endian, 47*a9fa9459Szrj const std::string& filename); 48*a9fa9459Szrj 49*a9fa9459Szrj ~Binary_to_elf(); 50*a9fa9459Szrj 51*a9fa9459Szrj // Read contents and create an ELF buffer. Return true if this 52*a9fa9459Szrj // succeeds, false otherwise. 53*a9fa9459Szrj bool 54*a9fa9459Szrj convert(const Task*); 55*a9fa9459Szrj 56*a9fa9459Szrj // Return a pointer to the contents of the ELF file. 57*a9fa9459Szrj const unsigned char* converted_data()58*a9fa9459Szrj converted_data() const 59*a9fa9459Szrj { return this->data_; } 60*a9fa9459Szrj 61*a9fa9459Szrj // Return a pointer to the contents of the ELF file and let the 62*a9fa9459Szrj // caller take charge of it. It was allocated using new[]. 63*a9fa9459Szrj unsigned char* converted_data_leak()64*a9fa9459Szrj converted_data_leak() 65*a9fa9459Szrj { 66*a9fa9459Szrj unsigned char* ret = this->data_; 67*a9fa9459Szrj this->data_ = NULL; 68*a9fa9459Szrj return ret; 69*a9fa9459Szrj } 70*a9fa9459Szrj 71*a9fa9459Szrj // Return the size of the ELF file. 72*a9fa9459Szrj size_t converted_size()73*a9fa9459Szrj converted_size() const 74*a9fa9459Szrj { return this->filesize_; } 75*a9fa9459Szrj 76*a9fa9459Szrj private: 77*a9fa9459Szrj Binary_to_elf(const Binary_to_elf&); 78*a9fa9459Szrj Binary_to_elf& operator=(const Binary_to_elf&); 79*a9fa9459Szrj 80*a9fa9459Szrj template<int size, bool big_endian> 81*a9fa9459Szrj bool 82*a9fa9459Szrj sized_convert(const Task*); 83*a9fa9459Szrj 84*a9fa9459Szrj template<int size, bool big_endian> 85*a9fa9459Szrj void 86*a9fa9459Szrj write_file_header(unsigned char**); 87*a9fa9459Szrj 88*a9fa9459Szrj template<int size, bool big_endian> 89*a9fa9459Szrj void 90*a9fa9459Szrj write_section_header(const char*, const Stringpool_template<char>*, 91*a9fa9459Szrj elfcpp::SHT, unsigned int, section_size_type, 92*a9fa9459Szrj section_size_type, unsigned int, unsigned int, 93*a9fa9459Szrj unsigned int, unsigned int, unsigned char**); 94*a9fa9459Szrj 95*a9fa9459Szrj template<int size, bool big_endian> 96*a9fa9459Szrj void 97*a9fa9459Szrj write_symbol(const std::string&, const Stringpool_template<char>*, 98*a9fa9459Szrj section_size_type, typename elfcpp::Elf_types<32>::Elf_WXword, 99*a9fa9459Szrj unsigned int, unsigned char**); 100*a9fa9459Szrj 101*a9fa9459Szrj // The ELF machine code of the file to create. 102*a9fa9459Szrj elfcpp::EM elf_machine_; 103*a9fa9459Szrj // The size of the file to create, 32 or 64. 104*a9fa9459Szrj int size_; 105*a9fa9459Szrj // Whether to create a big endian file. 106*a9fa9459Szrj bool big_endian_; 107*a9fa9459Szrj // The name of the file to read. 108*a9fa9459Szrj std::string filename_; 109*a9fa9459Szrj // The ELF file data, allocated by new []. 110*a9fa9459Szrj unsigned char* data_; 111*a9fa9459Szrj // The ELF file size. 112*a9fa9459Szrj section_size_type filesize_; 113*a9fa9459Szrj }; 114*a9fa9459Szrj 115*a9fa9459Szrj } // End namespace gold. 116*a9fa9459Szrj 117*a9fa9459Szrj #endif // !defined(GOLD_BINARY_H) 118