1 // parameters.cc -- general parameters for a link using gold
3 // Copyright 2006, 2007 Free Software Foundation, Inc.
4 // Written by Ian Lance Taylor <iant@google.com>.
6 // This file is part of gold.
8 // This program is free software; you can redistribute it and/or modify
9 // it under the terms of the GNU General Public License as published by
10 // the Free Software Foundation; either version 3 of the License, or
11 // (at your option) any later version.
13 // This program is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 // GNU General Public License for more details.
18 // You should have received a copy of the GNU General Public License
19 // along with this program; if not, write to the Free Software
20 // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
21 // MA 02110-1301, USA.
28 #include "target-select.h"
34 Parameters::set_errors(Errors* errors)
36 gold_assert(this->errors_ == NULL);
37 this->errors_ = errors;
41 Parameters::set_options(const General_options* options)
43 gold_assert(!this->options_valid());
44 this->options_ = options;
45 // For speed, we convert the options() debug var from a string to an
46 // enum (from debug.h).
47 this->debug_ = debug_string_to_enum(this->options().debug());
51 Parameters::set_doing_static_link(bool doing_static_link)
53 gold_assert(!this->doing_static_link_valid_);
54 this->doing_static_link_ = doing_static_link;
55 this->doing_static_link_valid_ = true;
59 Parameters::set_target(const Target* target)
61 if (!this->target_valid())
62 this->target_ = target;
64 gold_assert(target == this->target_);
67 // The x86_64 kernel build converts a binary file to an object file
68 // using -r --format binary --oformat elf32-i386 foo.o. In order to
69 // support that for gold we support determining the default target
70 // choice from the output format. We recognize names that the GNU
74 Parameters::default_target() const
76 gold_assert(this->options_valid());
77 if (this->options().user_set_oformat())
80 = select_target_by_name(this->options().oformat());
84 gold_error(_("unrecognized output format %s"),
85 this->options().oformat());
88 // The GOLD_DEFAULT_xx macros are defined by the configure script.
89 const Target* target = select_target(elfcpp::GOLD_DEFAULT_MACHINE,
91 GOLD_DEFAULT_BIG_ENDIAN,
93 gold_assert(target != NULL);
97 Parameters::Target_size_endianness
98 Parameters::size_and_endianness() const
100 if (this->target().get_size() == 32)
102 if (!this->target().is_big_endian())
104 #ifdef HAVE_TARGET_32_LITTLE
105 return TARGET_32_LITTLE;
112 #ifdef HAVE_TARGET_32_BIG
113 return TARGET_32_BIG;
119 else if (parameters->target().get_size() == 64)
121 if (!parameters->target().is_big_endian())
123 #ifdef HAVE_TARGET_64_LITTLE
124 return TARGET_64_LITTLE;
131 #ifdef HAVE_TARGET_64_BIG
132 return TARGET_64_BIG;
143 // Our local version of the variable, which is not const.
145 static Parameters static_parameters;
147 // The global variable.
149 const Parameters* parameters = &static_parameters;
152 set_parameters_errors(Errors* errors)
153 { static_parameters.set_errors(errors); }
156 set_parameters_options(const General_options* options)
157 { static_parameters.set_options(options); }
160 set_parameters_target(const Target* target)
161 { static_parameters.set_target(target); }
164 set_parameters_doing_static_link(bool doing_static_link)
165 { static_parameters.set_doing_static_link(doing_static_link); }
167 } // End namespace gold.