gold/parameters.cc

   1 // parameters.cc -- general parameters for a link using gold
   2
   3 // Copyright 2006, 2007 Free Software Foundation, Inc.
   4 // Written by Ian Lance Taylor <iant@google.com>.
   5
   6 // This file is part of gold.
   7
   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.
  12
  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.
  17
  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.
  22
  23 #include "gold.h"
  24
  25 #include "options.h"
  26 #include "parameters.h"
  27
  28 namespace gold
  29 {
  30
  31 // Initialize the parameters from the options.
  32
  33 Parameters::Parameters(Errors* errors)
  34   : errors_(errors), output_file_name_(NULL),
  35     output_file_type_(OUTPUT_INVALID), sysroot_(),
  36     strip_(STRIP_INVALID), symbolic_(false), detect_odr_violations_(false),
  37     optimization_level_(0), export_dynamic_(false),
  38     is_doing_static_link_valid_(false), doing_static_link_(false),
  39     is_size_and_endian_valid_(false), size_(0), is_big_endian_(false)
  40 {
  41 }
  42
  43 // Set fields from the command line options.
  44
  45 void
  46 Parameters::set_from_options(const General_options* options)
  47 {
  48   this->output_file_name_ = options->output_file_name();
  49   this->sysroot_ = options->sysroot();
  50   this->symbolic_ = options->symbolic();
  51   this->detect_odr_violations_ = options->detect_odr_violations();
  52   this->optimization_level_ = options->optimization_level();
  53   this->export_dynamic_ = options->export_dynamic();
  54
  55   if (options->is_shared())
  56     this->output_file_type_ = OUTPUT_SHARED;
  57   else if (options->is_relocatable())
  58     this->output_file_type_ = OUTPUT_OBJECT;
  59   else
  60     this->output_file_type_ = OUTPUT_EXECUTABLE;
  61
  62   if (options->strip_all())
  63     this->strip_ = STRIP_ALL;
  64   else if (options->strip_debug())
  65     this->strip_ = STRIP_DEBUG;
  66   else
  67     this->strip_ = STRIP_NONE;
  68
  69   this->options_valid_ = true;
  70 }
  71
  72 // Set whether we are doing a static link.
  73
  74 void
  75 Parameters::set_doing_static_link(bool doing_static_link)
  76 {
  77   this->doing_static_link_ = doing_static_link;
  78   this->is_doing_static_link_valid_ = true;
  79 }
  80
  81 // Set the size and endianness.
  82
  83 void
  84 Parameters::set_size_and_endianness(int size, bool is_big_endian)
  85 {
  86   if (!this->is_size_and_endian_valid_)
  87     {
  88       this->size_ = size;
  89       this->is_big_endian_ = is_big_endian;
  90       this->is_size_and_endian_valid_ = true;
  91     }
  92   else
  93     {
  94       gold_assert(size == this->size_);
  95       gold_assert(is_big_endian == this->is_big_endian_);
  96     }
  97 }
  98
  99 // Our local version of the variable, which is not const.
 100
 101 static Parameters* static_parameters;
 102
 103 // The global variable.
 104
 105 const Parameters* parameters;
 106
 107 // Initialize the global variable.
 108
 109 void
 110 initialize_parameters(Errors* errors)
 111 {
 112   parameters = static_parameters = new Parameters(errors);
 113 }
 114
 115 // Set values from the options.
 116
 117 void
 118 set_parameters_from_options(const General_options* options)
 119 {
 120   static_parameters->set_from_options(options);
 121 }
 122
 123 // Set whether we are doing a static link.
 124
 125 void
 126 set_parameters_doing_static_link(bool doing_static_link)
 127 {
 128   static_parameters->set_doing_static_link(doing_static_link);
 129 }
 130
 131 // Set the size and endianness.
 132
 133 void
 134 set_parameters_size_and_endianness(int size, bool is_big_endian)
 135 {
 136   static_parameters->set_size_and_endianness(size, is_big_endian);
 137 }
 138
 139 } // End namespace gold.