104 lines
2.9 KiB
C++
104 lines
2.9 KiB
C++
// freebsd.h -- FreeBSD support for gold -*- C++ -*-
|
|
|
|
// Copyright 2009, 2011 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.
|
|
|
|
#include "target.h"
|
|
#include "target-select.h"
|
|
|
|
#ifndef GOLD_FREEBSD_H
|
|
#define GOLD_FREEBSD_H
|
|
|
|
namespace gold
|
|
{
|
|
|
|
// FreeBSD 4.1 and later wants the EI_OSABI field in the ELF header to
|
|
// be set to ELFOSABI_FREEBSD. This is a target selector for targets
|
|
// which permit combining both FreeBSD and non-FreeBSD object files.
|
|
|
|
class Target_selector_freebsd : public Target_selector
|
|
{
|
|
public:
|
|
Target_selector_freebsd(int machine, int size, bool is_big_endian,
|
|
const char* bfd_name,
|
|
const char* freebsd_bfd_name,
|
|
const char* emulation)
|
|
: Target_selector(machine, size, is_big_endian, NULL, emulation),
|
|
bfd_name_(bfd_name), freebsd_bfd_name_(freebsd_bfd_name)
|
|
{ }
|
|
|
|
protected:
|
|
// If we see a FreeBSD input file, mark the output file as using
|
|
// FreeBSD.
|
|
virtual Target*
|
|
do_recognize(int, int osabi, int)
|
|
{
|
|
Target* ret = this->instantiate_target();
|
|
if (osabi == elfcpp::ELFOSABI_FREEBSD)
|
|
ret->set_osabi(static_cast<elfcpp::ELFOSABI>(osabi));
|
|
return ret;
|
|
}
|
|
|
|
// Recognize two names.
|
|
virtual Target*
|
|
do_recognize_by_bfd_name(const char* name)
|
|
{
|
|
if (strcmp(name, this->bfd_name_) == 0)
|
|
return this->instantiate_target();
|
|
else if (strcmp(name, this->freebsd_bfd_name_) == 0)
|
|
{
|
|
Target* ret = this->instantiate_target();
|
|
ret->set_osabi(elfcpp::ELFOSABI_FREEBSD);
|
|
return ret;
|
|
}
|
|
else
|
|
return NULL;
|
|
}
|
|
|
|
// Print both names in --help output.
|
|
virtual void
|
|
do_supported_bfd_names(std::vector<const char*>* names)
|
|
{
|
|
names->push_back(this->bfd_name_);
|
|
names->push_back(this->freebsd_bfd_name_);
|
|
}
|
|
|
|
// Return appropriate BFD name.
|
|
virtual const char*
|
|
do_target_bfd_name(const Target* target)
|
|
{
|
|
if (!this->is_our_target(target))
|
|
return NULL;
|
|
return (target->osabi() == elfcpp::ELFOSABI_FREEBSD
|
|
? this->freebsd_bfd_name_
|
|
: this->bfd_name_);
|
|
}
|
|
|
|
private:
|
|
// The BFD name for the non-Freebsd target.
|
|
const char* bfd_name_;
|
|
// The BFD name for the Freebsd target.
|
|
const char* freebsd_bfd_name_;
|
|
};
|
|
|
|
} // end namespace gold
|
|
|
|
#endif // !defined(GOLD_FREEBSD_H)
|