1*a9fa9459Szrj // freebsd.h -- FreeBSD support for gold -*- C++ -*- 2*a9fa9459Szrj 3*a9fa9459Szrj // Copyright (C) 2009-2016 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 #include "target.h" 24*a9fa9459Szrj #include "target-select.h" 25*a9fa9459Szrj 26*a9fa9459Szrj #ifndef GOLD_FREEBSD_H 27*a9fa9459Szrj #define GOLD_FREEBSD_H 28*a9fa9459Szrj 29*a9fa9459Szrj namespace gold 30*a9fa9459Szrj { 31*a9fa9459Szrj 32*a9fa9459Szrj // FreeBSD 4.1 and later wants the EI_OSABI field in the ELF header to 33*a9fa9459Szrj // be set to ELFOSABI_FREEBSD. This is a target selector for targets 34*a9fa9459Szrj // which permit combining both FreeBSD and non-FreeBSD object files. 35*a9fa9459Szrj 36*a9fa9459Szrj class Target_selector_freebsd : public Target_selector 37*a9fa9459Szrj { 38*a9fa9459Szrj public: Target_selector_freebsd(int machine,int size,bool is_big_endian,const char * bfd_name,const char * freebsd_bfd_name,const char * emulation)39*a9fa9459Szrj Target_selector_freebsd(int machine, int size, bool is_big_endian, 40*a9fa9459Szrj const char* bfd_name, 41*a9fa9459Szrj const char* freebsd_bfd_name, 42*a9fa9459Szrj const char* emulation) 43*a9fa9459Szrj : Target_selector(machine, size, is_big_endian, NULL, emulation), 44*a9fa9459Szrj bfd_name_(bfd_name), freebsd_bfd_name_(freebsd_bfd_name) 45*a9fa9459Szrj { } 46*a9fa9459Szrj 47*a9fa9459Szrj protected: 48*a9fa9459Szrj // If we see a FreeBSD input file, mark the output file as using 49*a9fa9459Szrj // FreeBSD. 50*a9fa9459Szrj virtual Target* do_recognize(Input_file *,off_t,int,int osabi,int)51*a9fa9459Szrj do_recognize(Input_file*, off_t, int, int osabi, int) 52*a9fa9459Szrj { 53*a9fa9459Szrj Target* ret = this->instantiate_target(); 54*a9fa9459Szrj if (osabi == elfcpp::ELFOSABI_FREEBSD) 55*a9fa9459Szrj ret->set_osabi(static_cast<elfcpp::ELFOSABI>(osabi)); 56*a9fa9459Szrj return ret; 57*a9fa9459Szrj } 58*a9fa9459Szrj 59*a9fa9459Szrj // Recognize two names. 60*a9fa9459Szrj virtual Target* do_recognize_by_bfd_name(const char * name)61*a9fa9459Szrj do_recognize_by_bfd_name(const char* name) 62*a9fa9459Szrj { 63*a9fa9459Szrj if (strcmp(name, this->bfd_name_) == 0) 64*a9fa9459Szrj return this->instantiate_target(); 65*a9fa9459Szrj else if (strcmp(name, this->freebsd_bfd_name_) == 0) 66*a9fa9459Szrj { 67*a9fa9459Szrj Target* ret = this->instantiate_target(); 68*a9fa9459Szrj ret->set_osabi(elfcpp::ELFOSABI_FREEBSD); 69*a9fa9459Szrj return ret; 70*a9fa9459Szrj } 71*a9fa9459Szrj else 72*a9fa9459Szrj return NULL; 73*a9fa9459Szrj } 74*a9fa9459Szrj 75*a9fa9459Szrj // Print both names in --help output. 76*a9fa9459Szrj virtual void do_supported_bfd_names(std::vector<const char * > * names)77*a9fa9459Szrj do_supported_bfd_names(std::vector<const char*>* names) 78*a9fa9459Szrj { 79*a9fa9459Szrj names->push_back(this->bfd_name_); 80*a9fa9459Szrj names->push_back(this->freebsd_bfd_name_); 81*a9fa9459Szrj } 82*a9fa9459Szrj 83*a9fa9459Szrj // Return appropriate BFD name. 84*a9fa9459Szrj virtual const char* do_target_bfd_name(const Target * target)85*a9fa9459Szrj do_target_bfd_name(const Target* target) 86*a9fa9459Szrj { 87*a9fa9459Szrj if (!this->is_our_target(target)) 88*a9fa9459Szrj return NULL; 89*a9fa9459Szrj return (target->osabi() == elfcpp::ELFOSABI_FREEBSD 90*a9fa9459Szrj ? this->freebsd_bfd_name_ 91*a9fa9459Szrj : this->bfd_name_); 92*a9fa9459Szrj } 93*a9fa9459Szrj 94*a9fa9459Szrj private: 95*a9fa9459Szrj // The BFD name for the non-Freebsd target. 96*a9fa9459Szrj const char* bfd_name_; 97*a9fa9459Szrj // The BFD name for the Freebsd target. 98*a9fa9459Szrj const char* freebsd_bfd_name_; 99*a9fa9459Szrj }; 100*a9fa9459Szrj 101*a9fa9459Szrj } // end namespace gold 102*a9fa9459Szrj 103*a9fa9459Szrj #endif // !defined(GOLD_FREEBSD_H) 104