1 | /* |
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2 | * Copyright (c) 2011, Chris Johns <chrisj@rtems.org> |
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3 | * |
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4 | * Permission to use, copy, modify, and/or distribute this software for any |
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5 | * purpose with or without fee is hereby granted, provided that the above |
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6 | * copyright notice and this permission notice appear in all copies. |
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7 | * |
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8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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11 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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13 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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14 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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15 | */ |
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16 | /** |
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17 | * @file |
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18 | * |
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19 | * @ingroup rtems_ld |
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20 | * |
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21 | * @brief RTEMS Linker. |
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22 | * |
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23 | */ |
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24 | |
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25 | #if HAVE_CONFIG_H |
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26 | #include "config.h" |
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27 | #endif |
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28 | |
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29 | #include <iostream> |
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30 | |
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31 | #include <sys/stat.h> |
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32 | |
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33 | #include <rld.h> |
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34 | |
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35 | #define RLD_VERSION_MAJOR (1) |
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36 | #define RLD_VERSION_MINOR (0) |
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37 | #define RLD_VERSION_RELEASE (0) |
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38 | |
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39 | namespace rld |
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40 | { |
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41 | static int verbose_level = 0; |
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42 | |
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43 | /** |
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44 | * The option container. |
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45 | */ |
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46 | typedef std::vector < std::string > library_container; |
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47 | |
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48 | /** |
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49 | * The libraries the user provided on the command line. |
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50 | */ |
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51 | static library_container libpaths; |
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52 | |
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53 | /** |
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54 | * The libraries pass on the command line. |
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55 | */ |
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56 | static library_container libs; |
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57 | |
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58 | /** |
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59 | * The libraries. |
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60 | */ |
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61 | static library_container libraries; |
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62 | |
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63 | /** |
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64 | * The output passed on the command line. |
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65 | */ |
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66 | static std::string output; |
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67 | |
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68 | void |
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69 | verbose_inc () |
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70 | { |
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71 | ++verbose_level; |
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72 | } |
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73 | |
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74 | int |
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75 | verbose () |
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76 | { |
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77 | return verbose_level; |
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78 | } |
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79 | |
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80 | const std::string |
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81 | version () |
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82 | { |
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83 | std::string v = (rld::to_string (RLD_VERSION_MAJOR) + '.' + |
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84 | rld::to_string (RLD_VERSION_MINOR) + '.' + |
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85 | rld::to_string (RLD_VERSION_RELEASE)); |
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86 | return v; |
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87 | } |
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88 | |
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89 | const std::string |
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90 | rtems_version () |
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91 | { |
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92 | return rld::to_string (RTEMS_VERSION); |
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93 | } |
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94 | |
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95 | void |
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96 | split (const std::string& str, strings& strs, char separator) |
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97 | { |
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98 | if (str.size ()) |
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99 | { |
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100 | std::string::size_type start = 0; |
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101 | std::string::size_type end = 0; |
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102 | while (start != std::string::npos) |
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103 | { |
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104 | end = str.find_first_of (separator, start); |
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105 | if (end == std::string::npos) |
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106 | end = str.size (); |
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107 | strs.push_back (str.substr (start, end - start)); |
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108 | start = str.find_first_not_of (separator, end); |
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109 | } |
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110 | } |
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111 | } |
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112 | |
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113 | void |
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114 | map (rld::files::cache& cache, rld::symbols::table& symbols) |
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115 | { |
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116 | std::cout << "Archive files : " << cache.archive_count () << std::endl; |
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117 | std::cout << "Object files : " << cache.object_count () << std::endl; |
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118 | std::cout << "Exported symbols : " << symbols.size () << std::endl; |
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119 | |
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120 | std::cout << "Archives:" << std::endl; |
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121 | cache.output_archive_files (std::cout); |
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122 | std::cout << "Objects:" << std::endl; |
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123 | cache.output_object_files (std::cout); |
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124 | |
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125 | std::cout << "Exported symbols:" << std::endl; |
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126 | rld::symbols::output (std::cout, symbols); |
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127 | std::cout << "Unresolved symbols:" << std::endl; |
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128 | cache.output_unresolved_symbols (std::cout); |
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129 | } |
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130 | |
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131 | void |
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132 | warn_unused_externals (rld::files::object_list& objects) |
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133 | { |
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134 | bool first = true; |
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135 | for (rld::files::object_list::iterator oli = objects.begin (); |
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136 | oli != objects.end (); |
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137 | ++oli) |
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138 | { |
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139 | rld::files::object& object = *(*oli); |
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140 | rld::symbols::pointers& externals = object.external_symbols (); |
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141 | |
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142 | if (rld::symbols::referenced (externals) != externals.size ()) |
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143 | { |
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144 | if (first) |
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145 | { |
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146 | std::cout << "Unreferenced externals in object files:" << std::endl; |
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147 | first = false; |
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148 | } |
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149 | |
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150 | std::cout << ' ' << object.name ().basename () << std::endl; |
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151 | |
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152 | for (rld::symbols::pointers::iterator sli = externals.begin (); |
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153 | sli != externals.end (); |
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154 | ++sli) |
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155 | { |
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156 | rld::symbols::symbol& sym = *(*sli); |
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157 | if (sym.references () == 0) |
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158 | std::cout << " " << sym.name () << std::endl; |
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159 | } |
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160 | } |
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161 | } |
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162 | } |
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163 | |
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164 | } |
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