150 lines
4.3 KiB
C++
150 lines
4.3 KiB
C++
// parameters.h -- general parameters for a link using gold -*- C++ -*-
|
|
|
|
// Copyright 2006, 2007 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.
|
|
|
|
#ifndef GOLD_PARAMETERS_H
|
|
#define GOLD_PARAMETERS_H
|
|
|
|
namespace gold
|
|
{
|
|
|
|
class General_options;
|
|
|
|
// Here we define the Parameters class which simply holds simple
|
|
// general parameters which apply to the entire link. We use a global
|
|
// variable for this. This is in contrast to the General_options
|
|
// class, which holds the complete state of position independent
|
|
// command line options. The hope is that Parameters will stay fairly
|
|
// simple, so that if this turns into a library it will be clear how
|
|
// these parameters should be set.
|
|
|
|
class Parameters
|
|
{
|
|
public:
|
|
Parameters(const General_options*);
|
|
|
|
// Whether we are generating a regular executable.
|
|
bool
|
|
output_is_executable() const
|
|
{ return this->output_file_type_ == OUTPUT_EXECUTABLE; }
|
|
|
|
// Whether we are generating a shared library.
|
|
bool
|
|
output_is_shared() const
|
|
{ return this->output_file_type_ == OUTPUT_SHARED; }
|
|
|
|
// Whether we are generating an object file.
|
|
bool
|
|
output_is_object() const
|
|
{ return this->output_file_type_ == OUTPUT_OBJECT; }
|
|
|
|
// The target system root directory. This is NULL if there isn't
|
|
// one.
|
|
const std::string&
|
|
sysroot() const
|
|
{ return this->sysroot_; }
|
|
|
|
// Whether we are doing a static link--a link in which none of the
|
|
// input files are shared libraries. This is only known after we
|
|
// have seen all the input files.
|
|
bool
|
|
doing_static_link() const
|
|
{
|
|
gold_assert(this->is_doing_static_link_valid_);
|
|
return this->doing_static_link_;
|
|
}
|
|
|
|
// The size of the output file we are generating. This should
|
|
// return 32 or 64.
|
|
int
|
|
get_size() const
|
|
{
|
|
gold_assert(this->is_size_and_endian_valid_);
|
|
return this->size_;
|
|
}
|
|
|
|
// Whether the output is big endian.
|
|
bool
|
|
is_big_endian() const
|
|
{
|
|
gold_assert(this->is_size_and_endian_valid_);
|
|
return this->is_big_endian_;
|
|
}
|
|
|
|
// The general linker optimization level.
|
|
int
|
|
optimization_level() const
|
|
{ return this->optimization_level_; }
|
|
|
|
// Set whether we are doing a static link.
|
|
void
|
|
set_doing_static_link(bool doing_static_link);
|
|
|
|
// Set the size and endianness.
|
|
void
|
|
set_size_and_endianness(int size, bool is_big_endian);
|
|
|
|
private:
|
|
// The types of output files.
|
|
enum Output_file_type
|
|
{
|
|
// Generating executable.
|
|
OUTPUT_EXECUTABLE,
|
|
// Generating shared library.
|
|
OUTPUT_SHARED,
|
|
// Generating object file.
|
|
OUTPUT_OBJECT
|
|
};
|
|
|
|
// The type of the output file.
|
|
Output_file_type output_file_type_;
|
|
// The target system root directory.
|
|
std::string sysroot_;
|
|
|
|
// Whether the doing_static_link_ field is valid.
|
|
bool is_doing_static_link_valid_;
|
|
// Whether we are doing a static link.
|
|
bool doing_static_link_;
|
|
// Whether the size_ and is_big_endian_ fields are valid.
|
|
bool is_size_and_endian_valid_;
|
|
// The size of the output file--32 or 64.
|
|
int size_;
|
|
// Whether the output file is big endian.
|
|
bool is_big_endian_;
|
|
// The optimization level.
|
|
int optimization_level_;
|
|
};
|
|
|
|
// This is a global variable.
|
|
extern const Parameters* parameters;
|
|
|
|
// Initialize the global variable.
|
|
extern void initialize_parameters(const General_options*);
|
|
|
|
// Set the size and endianness of the global parameters variable.
|
|
extern void set_parameters_size_and_endianness(int size, bool is_big_endian);
|
|
|
|
// Set whether we are doing a static link.
|
|
extern void set_parameters_doing_static_link(bool doing_static_link);
|
|
|
|
} // End namespace gold.
|
|
|
|
#endif // !defined(GOLD_PARAMATERS_H)
|