Shih-wei Liao | 22add6f | 2012-12-15 17:21:00 -0800 | [diff] [blame] | 1 | //===- CommandAction.cpp --------------------------------------------------===// |
| 2 | // |
| 3 | // The MCLinker Project |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | #include <mcld/MC/CommandAction.h> |
| 10 | #include <mcld/MC/InputBuilder.h> |
| 11 | #include <mcld/MC/SearchDirs.h> |
| 12 | #include <mcld/MC/Attribute.h> |
| 13 | #include <mcld/Support/MsgHandling.h> |
Stephen Hines | 87f3465 | 2014-02-14 18:00:16 -0800 | [diff] [blame^] | 14 | #include <mcld/Support/FileSystem.h> |
| 15 | #include <mcld/LinkerConfig.h> |
Shih-wei Liao | 22add6f | 2012-12-15 17:21:00 -0800 | [diff] [blame] | 16 | |
| 17 | using namespace mcld; |
| 18 | |
| 19 | //===----------------------------------------------------------------------===// |
| 20 | // Derived Positional Option |
| 21 | //===----------------------------------------------------------------------===// |
| 22 | // InputFileAction |
| 23 | //===----------------------------------------------------------------------===// |
| 24 | InputFileAction::InputFileAction(unsigned int pPosition, |
| 25 | const sys::fs::Path &pPath) |
| 26 | : InputAction(pPosition), m_Path(pPath) { |
| 27 | } |
| 28 | |
| 29 | bool InputFileAction::activate(InputBuilder& pBuilder) const |
| 30 | { |
| 31 | pBuilder.createNode<InputTree::Positional>(path().stem().native(), path()); |
| 32 | return true; |
| 33 | } |
| 34 | |
| 35 | //===----------------------------------------------------------------------===// |
| 36 | // NamespecAction |
| 37 | //===----------------------------------------------------------------------===// |
| 38 | NamespecAction::NamespecAction(unsigned int pPosition, |
| 39 | const std::string &pNamespec, |
Stephen Hines | 87f3465 | 2014-02-14 18:00:16 -0800 | [diff] [blame^] | 40 | const SearchDirs& pSearchDirs) |
Shih-wei Liao | 22add6f | 2012-12-15 17:21:00 -0800 | [diff] [blame] | 41 | : InputAction(pPosition), m_Namespec(pNamespec), m_SearchDirs(pSearchDirs) { |
| 42 | } |
| 43 | |
| 44 | bool NamespecAction::activate(InputBuilder& pBuilder) const |
| 45 | { |
Stephen Hines | 87f3465 | 2014-02-14 18:00:16 -0800 | [diff] [blame^] | 46 | const sys::fs::Path* path = NULL; |
Shih-wei Liao | 22add6f | 2012-12-15 17:21:00 -0800 | [diff] [blame] | 47 | // find out the real path of the namespec. |
| 48 | if (pBuilder.getConstraint().isSharedSystem()) { |
| 49 | // In the system with shared object support, we can find both archive |
| 50 | // and shared object. |
| 51 | |
| 52 | if (pBuilder.getAttributes().isStatic()) { |
| 53 | // with --static, we must search an archive. |
| 54 | path = m_SearchDirs.find(namespec(), Input::Archive); |
| 55 | } |
| 56 | else { |
| 57 | // otherwise, with --Bdynamic, we can find either an archive or a |
| 58 | // shared object. |
| 59 | path = m_SearchDirs.find(namespec(), Input::DynObj); |
| 60 | } |
| 61 | } |
| 62 | else { |
| 63 | // In the system without shared object support, we only look for an archive |
| 64 | path = m_SearchDirs.find(namespec(), Input::Archive); |
| 65 | } |
| 66 | |
| 67 | if (NULL == path) { |
| 68 | fatal(diag::err_cannot_find_namespec) << namespec(); |
| 69 | return false; |
| 70 | } |
| 71 | |
| 72 | pBuilder.createNode<InputTree::Positional>(namespec(), *path); |
| 73 | return true; |
| 74 | } |
| 75 | |
| 76 | //===----------------------------------------------------------------------===// |
| 77 | // BitcodeAction |
| 78 | //===----------------------------------------------------------------------===// |
| 79 | BitcodeAction::BitcodeAction(unsigned int pPosition, const sys::fs::Path &pPath) |
| 80 | : InputAction(pPosition), m_Path(pPath) { |
| 81 | } |
| 82 | |
| 83 | bool BitcodeAction::activate(InputBuilder& pBuilder) const |
| 84 | { |
| 85 | pBuilder.createNode<InputTree::Positional>("bitcode", path(), Input::External); |
| 86 | return true; |
| 87 | } |
| 88 | |
| 89 | //===----------------------------------------------------------------------===// |
| 90 | // StartGroupAction |
| 91 | //===----------------------------------------------------------------------===// |
| 92 | StartGroupAction::StartGroupAction(unsigned int pPosition) |
| 93 | : InputAction(pPosition) { |
| 94 | } |
| 95 | |
| 96 | bool StartGroupAction::activate(InputBuilder& pBuilder) const |
| 97 | { |
| 98 | if (pBuilder.isInGroup()) { |
| 99 | fatal(diag::fatal_forbid_nest_group); |
| 100 | return false; |
| 101 | } |
| 102 | pBuilder.enterGroup(); |
| 103 | return true; |
| 104 | } |
| 105 | |
| 106 | //===----------------------------------------------------------------------===// |
| 107 | // EndGroupAction |
| 108 | //===----------------------------------------------------------------------===// |
| 109 | EndGroupAction::EndGroupAction(unsigned int pPosition) |
| 110 | : InputAction(pPosition) { |
| 111 | } |
| 112 | |
| 113 | bool EndGroupAction::activate(InputBuilder& pBuilder) const |
| 114 | { |
| 115 | pBuilder.exitGroup(); |
| 116 | return true; |
| 117 | } |
| 118 | |
| 119 | //===----------------------------------------------------------------------===// |
| 120 | // WholeArchiveAction |
| 121 | //===----------------------------------------------------------------------===// |
| 122 | WholeArchiveAction::WholeArchiveAction(unsigned int pPosition) |
| 123 | : InputAction(pPosition) { |
| 124 | } |
| 125 | |
| 126 | bool WholeArchiveAction::activate(InputBuilder& pBuilder) const |
| 127 | { |
| 128 | pBuilder.getAttributes().setWholeArchive(); |
| 129 | return true; |
| 130 | } |
| 131 | |
| 132 | //===----------------------------------------------------------------------===// |
| 133 | // NoWholeArchiveAction |
| 134 | //===----------------------------------------------------------------------===// |
| 135 | NoWholeArchiveAction::NoWholeArchiveAction(unsigned int pPosition) |
| 136 | : InputAction(pPosition) { |
| 137 | } |
| 138 | |
| 139 | bool NoWholeArchiveAction::activate(InputBuilder& pBuilder) const |
| 140 | { |
| 141 | pBuilder.getAttributes().unsetWholeArchive(); |
| 142 | return true; |
| 143 | } |
| 144 | |
| 145 | //===----------------------------------------------------------------------===// |
| 146 | // AsNeededAction |
| 147 | //===----------------------------------------------------------------------===// |
| 148 | AsNeededAction::AsNeededAction(unsigned int pPosition) |
| 149 | : InputAction(pPosition) { |
| 150 | } |
| 151 | |
| 152 | bool AsNeededAction::activate(InputBuilder& pBuilder) const |
| 153 | { |
| 154 | pBuilder.getAttributes().setAsNeeded(); |
| 155 | return true; |
| 156 | } |
| 157 | |
| 158 | //===----------------------------------------------------------------------===// |
| 159 | // NoAsNeededAction |
| 160 | //===----------------------------------------------------------------------===// |
| 161 | NoAsNeededAction::NoAsNeededAction(unsigned int pPosition) |
| 162 | : InputAction(pPosition) { |
| 163 | } |
| 164 | |
| 165 | bool NoAsNeededAction::activate(InputBuilder& pBuilder) const |
| 166 | { |
| 167 | pBuilder.getAttributes().unsetAsNeeded(); |
| 168 | return true; |
| 169 | } |
| 170 | |
| 171 | //===----------------------------------------------------------------------===// |
| 172 | // AddNeededAction |
| 173 | //===----------------------------------------------------------------------===// |
| 174 | AddNeededAction::AddNeededAction(unsigned int pPosition) |
| 175 | : InputAction(pPosition) { |
| 176 | } |
| 177 | |
| 178 | bool AddNeededAction::activate(InputBuilder& pBuilder) const |
| 179 | { |
| 180 | pBuilder.getAttributes().setAddNeeded(); |
| 181 | return true; |
| 182 | } |
| 183 | |
| 184 | //===----------------------------------------------------------------------===// |
| 185 | // NoAddNeededAction |
| 186 | //===----------------------------------------------------------------------===// |
| 187 | NoAddNeededAction::NoAddNeededAction(unsigned int pPosition) |
| 188 | : InputAction(pPosition) { |
| 189 | } |
| 190 | |
| 191 | bool NoAddNeededAction::activate(InputBuilder& pBuilder) const |
| 192 | { |
| 193 | pBuilder.getAttributes().unsetAddNeeded(); |
| 194 | return true; |
| 195 | } |
| 196 | |
| 197 | //===----------------------------------------------------------------------===// |
| 198 | // BDynamicAction |
| 199 | //===----------------------------------------------------------------------===// |
| 200 | BDynamicAction::BDynamicAction(unsigned int pPosition) |
| 201 | : InputAction(pPosition) { |
| 202 | } |
| 203 | |
| 204 | bool BDynamicAction::activate(InputBuilder& pBuilder) const |
| 205 | { |
| 206 | pBuilder.getAttributes().setDynamic(); |
| 207 | return true; |
| 208 | } |
| 209 | |
| 210 | //===----------------------------------------------------------------------===// |
| 211 | // BStaticAction |
| 212 | //===----------------------------------------------------------------------===// |
| 213 | BStaticAction::BStaticAction(unsigned int pPosition) |
| 214 | : InputAction(pPosition) { |
| 215 | } |
| 216 | |
| 217 | bool BStaticAction::activate(InputBuilder& pBuilder) const |
| 218 | { |
| 219 | pBuilder.getAttributes().setStatic(); |
| 220 | return true; |
| 221 | } |
| 222 | |
Stephen Hines | 87f3465 | 2014-02-14 18:00:16 -0800 | [diff] [blame^] | 223 | //===----------------------------------------------------------------------===// |
| 224 | // DefSymAction |
| 225 | //===----------------------------------------------------------------------===// |
| 226 | DefSymAction::DefSymAction(unsigned int pPosition, std::string& pAssignment) |
| 227 | : InputAction(pPosition), m_Assignment(pAssignment) { |
| 228 | } |
| 229 | |
| 230 | bool DefSymAction::activate(InputBuilder& pBuilder) const |
| 231 | { |
| 232 | pBuilder.createNode<InputTree::Positional>("defsym", "NAN"); |
| 233 | Input* input = *pBuilder.getCurrentNode(); |
| 234 | pBuilder.setContext(*input, false); |
| 235 | |
| 236 | m_Assignment.append(";"); |
| 237 | pBuilder.setMemory(*input, &m_Assignment[0], m_Assignment.size()); |
| 238 | return true; |
| 239 | } |
| 240 | |
| 241 | //===----------------------------------------------------------------------===// |
| 242 | // ScriptAction |
| 243 | //===----------------------------------------------------------------------===// |
| 244 | ScriptAction::ScriptAction(unsigned int pPosition, |
| 245 | const std::string& pFileName, |
| 246 | ScriptFile::Kind pKind, |
| 247 | const SearchDirs& pSearchDirs) |
| 248 | : InputAction(pPosition), |
| 249 | m_FileName(pFileName), |
| 250 | m_Kind(pKind), |
| 251 | m_SearchDirs(pSearchDirs) { |
| 252 | } |
| 253 | |
| 254 | bool ScriptAction::activate(InputBuilder& pBuilder) const |
| 255 | { |
| 256 | sys::fs::Path path(m_FileName); |
| 257 | |
| 258 | if (!exists(path)) { |
| 259 | const sys::fs::Path* res = m_SearchDirs.find(m_FileName, Input::Script); |
| 260 | if (res == NULL) { |
| 261 | switch (m_Kind) { |
| 262 | case ScriptFile::LDScript: |
| 263 | fatal(diag::err_cannot_find_scriptfile) << "linker script" << m_FileName; |
| 264 | break; |
| 265 | case ScriptFile::VersionScript: |
| 266 | fatal(diag::err_cannot_find_scriptfile) << "version script" << m_FileName; |
| 267 | break; |
| 268 | case ScriptFile::DynamicList: |
| 269 | fatal(diag::err_cannot_find_scriptfile) << "dynamic list" << m_FileName; |
| 270 | break; |
| 271 | default: |
| 272 | break; |
| 273 | } |
| 274 | return false; |
| 275 | } |
| 276 | path.assign(res->native()); |
| 277 | } |
| 278 | |
| 279 | pBuilder.createNode<InputTree::Positional>(path.stem().native(), path); |
| 280 | |
| 281 | return true; |
| 282 | } |