[ec24a37] | 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::list& 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::list::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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