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(const General_options* options, Errors* errors)
  34   : errors_(errors), output_file_name_(options->output_file_name()),
  35     sysroot_(options->sysroot()),
  36     is_doing_static_link_valid_(false), doing_static_link_(false),
  37     is_size_and_endian_valid_(false), size_(0), is_big_endian_(false),
  38     optimization_level_(options->optimization_level()),
  39     export_dynamic_(options->export_dynamic())
  40 {
  41   if (options->is_shared())
  42     this->output_file_type_ = OUTPUT_SHARED;
  43   else if (options->is_relocatable())
  44     this->output_file_type_ = OUTPUT_OBJECT;
  45   else
  46     this->output_file_type_ = OUTPUT_EXECUTABLE;
  47
  48   if (options->strip_all())
  49     this->strip_ = STRIP_ALL;
  50   else if (options->strip_debug())
  51     this->strip_ = STRIP_DEBUG;
  52   else
  53     this->strip_ = STRIP_NONE;
  54 }
  55
  56 // Set whether we are doing a static link.
  57
  58 void
  59 Parameters::set_doing_static_link(bool doing_static_link)
  60 {
  61   this->doing_static_link_ = doing_static_link;
  62   this->is_doing_static_link_valid_ = true;
  63 }
  64
  65 // Set the size and endianness.
  66
  67 void
  68 Parameters::set_size_and_endianness(int size, bool is_big_endian)
  69 {
  70   if (!this->is_size_and_endian_valid_)
  71     {
  72       this->size_ = size;
  73       this->is_big_endian_ = is_big_endian;
  74       this->is_size_and_endian_valid_ = true;
  75     }
  76   else
  77     {
  78       gold_assert(size == this->size_);
  79       gold_assert(is_big_endian == this->is_big_endian_);
  80     }
  81 }
  82
  83 // Our local version of the variable, which is not const.
  84
  85 static Parameters* static_parameters;
  86
  87 // The global variable.
  88
  89 const Parameters* parameters;
  90
  91 // Initialize the global variable.
  92
  93 void
  94 initialize_parameters(const General_options* options, Errors* errors)
  95 {
  96   parameters = static_parameters = new Parameters(options, errors);
  97 }
  98
  99 // Set whether we are doing a static link.
 100
 101 void
 102 set_parameters_doing_static_link(bool doing_static_link)
 103 {
 104   static_parameters->set_doing_static_link(doing_static_link);
 105 }
 106
 107 // Set the size and endianness.
 108
 109 void
 110 set_parameters_size_and_endianness(int size, bool is_big_endian)
 111 {
 112   static_parameters->set_size_and_endianness(size, is_big_endian);
 113 }
 114
 115 } // End namespace gold.