Commit | Line | Data |
---|---|---|
61ba1cf9 ILT |
1 | // reloc.cc -- relocate input files for gold. |
2 | ||
6cb15b7f ILT |
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 | ||
61ba1cf9 ILT |
23 | #include "gold.h" |
24 | ||
cb295612 ILT |
25 | #include <algorithm> |
26 | ||
61ba1cf9 | 27 | #include "workqueue.h" |
5a6f7e2d | 28 | #include "symtab.h" |
61ba1cf9 | 29 | #include "output.h" |
a9a60db6 ILT |
30 | #include "merge.h" |
31 | #include "object.h" | |
61ba1cf9 ILT |
32 | #include "reloc.h" |
33 | ||
34 | namespace gold | |
35 | { | |
36 | ||
92e059d8 ILT |
37 | // Read_relocs methods. |
38 | ||
39 | // These tasks just read the relocation information from the file. | |
40 | // After reading it, the start another task to process the | |
41 | // information. These tasks requires access to the file. | |
42 | ||
17a1d0a9 ILT |
43 | Task_token* |
44 | Read_relocs::is_runnable() | |
92e059d8 | 45 | { |
17a1d0a9 | 46 | return this->object_->is_locked() ? this->object_->token() : NULL; |
92e059d8 ILT |
47 | } |
48 | ||
49 | // Lock the file. | |
50 | ||
17a1d0a9 ILT |
51 | void |
52 | Read_relocs::locks(Task_locker* tl) | |
92e059d8 | 53 | { |
17a1d0a9 | 54 | tl->add(this, this->object_->token()); |
92e059d8 ILT |
55 | } |
56 | ||
57 | // Read the relocations and then start a Scan_relocs_task. | |
58 | ||
59 | void | |
60 | Read_relocs::run(Workqueue* workqueue) | |
61 | { | |
62 | Read_relocs_data *rd = new Read_relocs_data; | |
63 | this->object_->read_relocs(rd); | |
17a1d0a9 ILT |
64 | this->object_->release(); |
65 | ||
92e059d8 | 66 | workqueue->queue_front(new Scan_relocs(this->options_, this->symtab_, |
ead1e424 ILT |
67 | this->layout_, this->object_, rd, |
68 | this->symtab_lock_, this->blocker_)); | |
92e059d8 ILT |
69 | } |
70 | ||
c7912668 ILT |
71 | // Return a debugging name for the task. |
72 | ||
73 | std::string | |
74 | Read_relocs::get_name() const | |
75 | { | |
76 | return "Read_relocs " + this->object_->name(); | |
77 | } | |
78 | ||
92e059d8 ILT |
79 | // Scan_relocs methods. |
80 | ||
81 | // These tasks scan the relocations read by Read_relocs and mark up | |
82 | // the symbol table to indicate which relocations are required. We | |
83 | // use a lock on the symbol table to keep them from interfering with | |
84 | // each other. | |
85 | ||
17a1d0a9 ILT |
86 | Task_token* |
87 | Scan_relocs::is_runnable() | |
92e059d8 | 88 | { |
17a1d0a9 ILT |
89 | if (!this->symtab_lock_->is_writable()) |
90 | return this->symtab_lock_; | |
91 | if (this->object_->is_locked()) | |
92 | return this->object_->token(); | |
93 | return NULL; | |
92e059d8 ILT |
94 | } |
95 | ||
96 | // Return the locks we hold: one on the file, one on the symbol table | |
97 | // and one blocker. | |
98 | ||
17a1d0a9 ILT |
99 | void |
100 | Scan_relocs::locks(Task_locker* tl) | |
92e059d8 | 101 | { |
17a1d0a9 ILT |
102 | tl->add(this, this->object_->token()); |
103 | tl->add(this, this->symtab_lock_); | |
104 | tl->add(this, this->blocker_); | |
92e059d8 ILT |
105 | } |
106 | ||
107 | // Scan the relocs. | |
108 | ||
109 | void | |
110 | Scan_relocs::run(Workqueue*) | |
111 | { | |
ead1e424 ILT |
112 | this->object_->scan_relocs(this->options_, this->symtab_, this->layout_, |
113 | this->rd_); | |
17a1d0a9 | 114 | this->object_->release(); |
92e059d8 ILT |
115 | delete this->rd_; |
116 | this->rd_ = NULL; | |
117 | } | |
118 | ||
c7912668 ILT |
119 | // Return a debugging name for the task. |
120 | ||
121 | std::string | |
122 | Scan_relocs::get_name() const | |
123 | { | |
124 | return "Scan_relocs " + this->object_->name(); | |
125 | } | |
126 | ||
61ba1cf9 ILT |
127 | // Relocate_task methods. |
128 | ||
730cdc88 | 129 | // We may have to wait for the output sections to be written. |
61ba1cf9 | 130 | |
17a1d0a9 ILT |
131 | Task_token* |
132 | Relocate_task::is_runnable() | |
61ba1cf9 | 133 | { |
730cdc88 ILT |
134 | if (this->object_->relocs_must_follow_section_writes() |
135 | && this->output_sections_blocker_->is_blocked()) | |
17a1d0a9 | 136 | return this->output_sections_blocker_; |
730cdc88 | 137 | |
c7912668 | 138 | if (this->object_->is_locked()) |
17a1d0a9 | 139 | return this->object_->token(); |
c7912668 | 140 | |
17a1d0a9 | 141 | return NULL; |
61ba1cf9 ILT |
142 | } |
143 | ||
144 | // We want to lock the file while we run. We want to unblock | |
730cdc88 | 145 | // INPUT_SECTIONS_BLOCKER and FINAL_BLOCKER when we are done. |
17a1d0a9 | 146 | // INPUT_SECTIONS_BLOCKER may be NULL. |
61ba1cf9 | 147 | |
17a1d0a9 ILT |
148 | void |
149 | Relocate_task::locks(Task_locker* tl) | |
61ba1cf9 | 150 | { |
17a1d0a9 ILT |
151 | if (this->input_sections_blocker_ != NULL) |
152 | tl->add(this, this->input_sections_blocker_); | |
153 | tl->add(this, this->final_blocker_); | |
154 | tl->add(this, this->object_->token()); | |
61ba1cf9 ILT |
155 | } |
156 | ||
157 | // Run the task. | |
158 | ||
159 | void | |
160 | Relocate_task::run(Workqueue*) | |
161 | { | |
92e059d8 | 162 | this->object_->relocate(this->options_, this->symtab_, this->layout_, |
61ba1cf9 | 163 | this->of_); |
cb295612 ILT |
164 | |
165 | // This is normally the last thing we will do with an object, so | |
166 | // uncache all views. | |
167 | this->object_->clear_view_cache_marks(); | |
168 | ||
17a1d0a9 | 169 | this->object_->release(); |
61ba1cf9 ILT |
170 | } |
171 | ||
c7912668 ILT |
172 | // Return a debugging name for the task. |
173 | ||
174 | std::string | |
175 | Relocate_task::get_name() const | |
176 | { | |
177 | return "Relocate_task " + this->object_->name(); | |
178 | } | |
179 | ||
92e059d8 ILT |
180 | // Read the relocs and local symbols from the object file and store |
181 | // the information in RD. | |
182 | ||
183 | template<int size, bool big_endian> | |
184 | void | |
f6ce93d6 | 185 | Sized_relobj<size, big_endian>::do_read_relocs(Read_relocs_data* rd) |
92e059d8 ILT |
186 | { |
187 | rd->relocs.clear(); | |
188 | ||
189 | unsigned int shnum = this->shnum(); | |
190 | if (shnum == 0) | |
191 | return; | |
192 | ||
193 | rd->relocs.reserve(shnum / 2); | |
194 | ||
730cdc88 ILT |
195 | std::vector<Map_to_output>& map_sections(this->map_to_output()); |
196 | ||
645f8123 | 197 | const unsigned char *pshdrs = this->get_view(this->elf_file_.shoff(), |
9eb9fa57 ILT |
198 | shnum * This::shdr_size, |
199 | true); | |
92e059d8 ILT |
200 | // Skip the first, dummy, section. |
201 | const unsigned char *ps = pshdrs + This::shdr_size; | |
202 | for (unsigned int i = 1; i < shnum; ++i, ps += This::shdr_size) | |
203 | { | |
204 | typename This::Shdr shdr(ps); | |
205 | ||
206 | unsigned int sh_type = shdr.get_sh_type(); | |
207 | if (sh_type != elfcpp::SHT_REL && sh_type != elfcpp::SHT_RELA) | |
208 | continue; | |
209 | ||
210 | unsigned int shndx = shdr.get_sh_info(); | |
211 | if (shndx >= shnum) | |
212 | { | |
75f2446e ILT |
213 | this->error(_("relocation section %u has bad info %u"), |
214 | i, shndx); | |
215 | continue; | |
92e059d8 ILT |
216 | } |
217 | ||
730cdc88 ILT |
218 | Output_section* os = map_sections[shndx].output_section; |
219 | if (os == NULL) | |
92e059d8 ILT |
220 | continue; |
221 | ||
ead1e424 ILT |
222 | // We are scanning relocations in order to fill out the GOT and |
223 | // PLT sections. Relocations for sections which are not | |
224 | // allocated (typically debugging sections) should not add new | |
225 | // GOT and PLT entries. So we skip them. | |
226 | typename This::Shdr secshdr(pshdrs + shndx * This::shdr_size); | |
227 | if ((secshdr.get_sh_flags() & elfcpp::SHF_ALLOC) == 0) | |
228 | continue; | |
229 | ||
645f8123 | 230 | if (shdr.get_sh_link() != this->symtab_shndx_) |
92e059d8 | 231 | { |
75f2446e ILT |
232 | this->error(_("relocation section %u uses unexpected " |
233 | "symbol table %u"), | |
234 | i, shdr.get_sh_link()); | |
235 | continue; | |
92e059d8 ILT |
236 | } |
237 | ||
238 | off_t sh_size = shdr.get_sh_size(); | |
239 | ||
240 | unsigned int reloc_size; | |
241 | if (sh_type == elfcpp::SHT_REL) | |
242 | reloc_size = elfcpp::Elf_sizes<size>::rel_size; | |
243 | else | |
244 | reloc_size = elfcpp::Elf_sizes<size>::rela_size; | |
245 | if (reloc_size != shdr.get_sh_entsize()) | |
246 | { | |
75f2446e ILT |
247 | this->error(_("unexpected entsize for reloc section %u: %lu != %u"), |
248 | i, static_cast<unsigned long>(shdr.get_sh_entsize()), | |
249 | reloc_size); | |
250 | continue; | |
92e059d8 ILT |
251 | } |
252 | ||
253 | size_t reloc_count = sh_size / reloc_size; | |
f5c3f225 | 254 | if (static_cast<off_t>(reloc_count * reloc_size) != sh_size) |
92e059d8 | 255 | { |
75f2446e ILT |
256 | this->error(_("reloc section %u size %lu uneven"), |
257 | i, static_cast<unsigned long>(sh_size)); | |
258 | continue; | |
92e059d8 ILT |
259 | } |
260 | ||
261 | rd->relocs.push_back(Section_relocs()); | |
262 | Section_relocs& sr(rd->relocs.back()); | |
263 | sr.reloc_shndx = i; | |
264 | sr.data_shndx = shndx; | |
9eb9fa57 ILT |
265 | sr.contents = this->get_lasting_view(shdr.get_sh_offset(), sh_size, |
266 | true); | |
92e059d8 ILT |
267 | sr.sh_type = sh_type; |
268 | sr.reloc_count = reloc_count; | |
730cdc88 ILT |
269 | sr.output_section = os; |
270 | sr.needs_special_offset_handling = map_sections[shndx].offset == -1; | |
92e059d8 ILT |
271 | } |
272 | ||
273 | // Read the local symbols. | |
a3ad94ed | 274 | gold_assert(this->symtab_shndx_ != -1U); |
645f8123 | 275 | if (this->symtab_shndx_ == 0 || this->local_symbol_count_ == 0) |
92e059d8 ILT |
276 | rd->local_symbols = NULL; |
277 | else | |
278 | { | |
279 | typename This::Shdr symtabshdr(pshdrs | |
645f8123 | 280 | + this->symtab_shndx_ * This::shdr_size); |
a3ad94ed | 281 | gold_assert(symtabshdr.get_sh_type() == elfcpp::SHT_SYMTAB); |
92e059d8 ILT |
282 | const int sym_size = This::sym_size; |
283 | const unsigned int loccount = this->local_symbol_count_; | |
a3ad94ed | 284 | gold_assert(loccount == symtabshdr.get_sh_info()); |
92e059d8 ILT |
285 | off_t locsize = loccount * sym_size; |
286 | rd->local_symbols = this->get_lasting_view(symtabshdr.get_sh_offset(), | |
9eb9fa57 | 287 | locsize, true); |
92e059d8 ILT |
288 | } |
289 | } | |
290 | ||
291 | // Scan the relocs and adjust the symbol table. This looks for | |
292 | // relocations which require GOT/PLT/COPY relocations. | |
293 | ||
294 | template<int size, bool big_endian> | |
295 | void | |
f6ce93d6 | 296 | Sized_relobj<size, big_endian>::do_scan_relocs(const General_options& options, |
92e059d8 | 297 | Symbol_table* symtab, |
ead1e424 | 298 | Layout* layout, |
92e059d8 ILT |
299 | Read_relocs_data* rd) |
300 | { | |
301 | Sized_target<size, big_endian>* target = this->sized_target(); | |
302 | ||
303 | const unsigned char* local_symbols; | |
304 | if (rd->local_symbols == NULL) | |
305 | local_symbols = NULL; | |
306 | else | |
307 | local_symbols = rd->local_symbols->data(); | |
308 | ||
309 | for (Read_relocs_data::Relocs_list::iterator p = rd->relocs.begin(); | |
310 | p != rd->relocs.end(); | |
311 | ++p) | |
312 | { | |
a3ad94ed ILT |
313 | target->scan_relocs(options, symtab, layout, this, p->data_shndx, |
314 | p->sh_type, p->contents->data(), p->reloc_count, | |
730cdc88 | 315 | p->output_section, p->needs_special_offset_handling, |
92e059d8 | 316 | this->local_symbol_count_, |
730cdc88 | 317 | local_symbols); |
92e059d8 ILT |
318 | delete p->contents; |
319 | p->contents = NULL; | |
320 | } | |
321 | ||
322 | if (rd->local_symbols != NULL) | |
323 | { | |
324 | delete rd->local_symbols; | |
325 | rd->local_symbols = NULL; | |
326 | } | |
327 | } | |
328 | ||
61ba1cf9 ILT |
329 | // Relocate the input sections and write out the local symbols. |
330 | ||
331 | template<int size, bool big_endian> | |
332 | void | |
f6ce93d6 | 333 | Sized_relobj<size, big_endian>::do_relocate(const General_options& options, |
61ba1cf9 | 334 | const Symbol_table* symtab, |
92e059d8 | 335 | const Layout* layout, |
61ba1cf9 ILT |
336 | Output_file* of) |
337 | { | |
338 | unsigned int shnum = this->shnum(); | |
339 | ||
340 | // Read the section headers. | |
645f8123 | 341 | const unsigned char* pshdrs = this->get_view(this->elf_file_.shoff(), |
9eb9fa57 ILT |
342 | shnum * This::shdr_size, |
343 | true); | |
61ba1cf9 ILT |
344 | |
345 | Views views; | |
346 | views.resize(shnum); | |
347 | ||
348 | // Make two passes over the sections. The first one copies the | |
349 | // section data to the output file. The second one applies | |
350 | // relocations. | |
351 | ||
352 | this->write_sections(pshdrs, of, &views); | |
353 | ||
a9a60db6 ILT |
354 | // To speed up relocations, we set up hash tables for fast lookup of |
355 | // input offsets to output addresses. | |
356 | this->initialize_input_to_output_maps(); | |
357 | ||
61ba1cf9 ILT |
358 | // Apply relocations. |
359 | ||
92e059d8 | 360 | this->relocate_sections(options, symtab, layout, pshdrs, &views); |
61ba1cf9 | 361 | |
a9a60db6 ILT |
362 | // After we've done the relocations, we release the hash tables, |
363 | // since we no longer need them. | |
364 | this->free_input_to_output_maps(); | |
365 | ||
61ba1cf9 ILT |
366 | // Write out the accumulated views. |
367 | for (unsigned int i = 1; i < shnum; ++i) | |
368 | { | |
369 | if (views[i].view != NULL) | |
730cdc88 | 370 | { |
96803768 ILT |
371 | if (!views[i].is_postprocessing_view) |
372 | { | |
373 | if (views[i].is_input_output_view) | |
374 | of->write_input_output_view(views[i].offset, | |
375 | views[i].view_size, | |
376 | views[i].view); | |
377 | else | |
378 | of->write_output_view(views[i].offset, views[i].view_size, | |
379 | views[i].view); | |
380 | } | |
730cdc88 | 381 | } |
61ba1cf9 ILT |
382 | } |
383 | ||
384 | // Write out the local symbols. | |
7bf1f802 | 385 | this->write_local_symbols(of, layout->sympool(), layout->dynpool()); |
cb295612 ILT |
386 | |
387 | // We should no longer need the local symbol values. | |
388 | this->clear_local_symbols(); | |
61ba1cf9 ILT |
389 | } |
390 | ||
cb295612 ILT |
391 | // Sort a Read_multiple vector by file offset. |
392 | struct Read_multiple_compare | |
393 | { | |
394 | inline bool | |
395 | operator()(const File_read::Read_multiple_entry& rme1, | |
396 | const File_read::Read_multiple_entry& rme2) const | |
397 | { return rme1.file_offset < rme2.file_offset; } | |
398 | }; | |
399 | ||
61ba1cf9 ILT |
400 | // Write section data to the output file. PSHDRS points to the |
401 | // section headers. Record the views in *PVIEWS for use when | |
402 | // relocating. | |
403 | ||
404 | template<int size, bool big_endian> | |
405 | void | |
f6ce93d6 | 406 | Sized_relobj<size, big_endian>::write_sections(const unsigned char* pshdrs, |
61ba1cf9 | 407 | Output_file* of, |
cb295612 | 408 | Views* pviews) |
61ba1cf9 ILT |
409 | { |
410 | unsigned int shnum = this->shnum(); | |
17a1d0a9 | 411 | const std::vector<Map_to_output>& map_sections(this->map_to_output()); |
61ba1cf9 | 412 | |
cb295612 ILT |
413 | File_read::Read_multiple rm; |
414 | bool is_sorted = true; | |
415 | ||
61ba1cf9 ILT |
416 | const unsigned char* p = pshdrs + This::shdr_size; |
417 | for (unsigned int i = 1; i < shnum; ++i, p += This::shdr_size) | |
418 | { | |
419 | View_size* pvs = &(*pviews)[i]; | |
420 | ||
421 | pvs->view = NULL; | |
422 | ||
423 | const Output_section* os = map_sections[i].output_section; | |
424 | if (os == NULL) | |
425 | continue; | |
730cdc88 | 426 | off_t output_offset = map_sections[i].offset; |
61ba1cf9 ILT |
427 | |
428 | typename This::Shdr shdr(p); | |
429 | ||
430 | if (shdr.get_sh_type() == elfcpp::SHT_NOBITS) | |
431 | continue; | |
432 | ||
96803768 ILT |
433 | // In the normal case, this input section is simply mapped to |
434 | // the output section at offset OUTPUT_OFFSET. | |
435 | ||
436 | // However, if OUTPUT_OFFSET == -1, then input data is handled | |
437 | // specially--e.g., a .eh_frame section. The relocation | |
438 | // routines need to check for each reloc where it should be | |
439 | // applied. For this case, we need an input/output view for the | |
440 | // entire contents of the section in the output file. We don't | |
441 | // want to copy the contents of the input section to the output | |
442 | // section; the output section contents were already written, | |
443 | // and we waited for them in Relocate_task::is_runnable because | |
444 | // relocs_must_follow_section_writes is set for the object. | |
445 | ||
446 | // Regardless of which of the above cases is true, we have to | |
447 | // check requires_postprocessing of the output section. If that | |
448 | // is false, then we work with views of the output file | |
449 | // directly. If it is true, then we work with a separate | |
450 | // buffer, and the output section is responsible for writing the | |
451 | // final data to the output file. | |
452 | ||
453 | off_t output_section_offset; | |
454 | off_t output_section_size; | |
455 | if (!os->requires_postprocessing()) | |
456 | { | |
457 | output_section_offset = os->offset(); | |
458 | output_section_size = os->data_size(); | |
459 | } | |
460 | else | |
461 | { | |
462 | output_section_offset = 0; | |
463 | output_section_size = os->postprocessing_buffer_size(); | |
464 | } | |
465 | ||
730cdc88 | 466 | off_t view_start; |
fe8718a4 | 467 | section_size_type view_size; |
730cdc88 ILT |
468 | if (output_offset != -1) |
469 | { | |
96803768 | 470 | view_start = output_section_offset + output_offset; |
fe8718a4 | 471 | view_size = convert_to_section_size_type(shdr.get_sh_size()); |
730cdc88 ILT |
472 | } |
473 | else | |
474 | { | |
96803768 | 475 | view_start = output_section_offset; |
fe8718a4 | 476 | view_size = convert_to_section_size_type(output_section_size); |
730cdc88 | 477 | } |
61ba1cf9 | 478 | |
730cdc88 | 479 | if (view_size == 0) |
ead1e424 ILT |
480 | continue; |
481 | ||
730cdc88 ILT |
482 | gold_assert(output_offset == -1 |
483 | || (output_offset >= 0 | |
8d32f935 ILT |
484 | && (output_offset + static_cast<off_t>(view_size) |
485 | <= output_section_size))); | |
ead1e424 | 486 | |
730cdc88 | 487 | unsigned char* view; |
96803768 ILT |
488 | if (os->requires_postprocessing()) |
489 | { | |
490 | unsigned char* buffer = os->postprocessing_buffer(); | |
491 | view = buffer + view_start; | |
492 | if (output_offset != -1) | |
cb295612 ILT |
493 | { |
494 | off_t sh_offset = shdr.get_sh_offset(); | |
495 | if (!rm.empty() && rm.back().file_offset > sh_offset) | |
496 | is_sorted = false; | |
497 | rm.push_back(File_read::Read_multiple_entry(sh_offset, | |
498 | view_size, view)); | |
499 | } | |
96803768 | 500 | } |
730cdc88 ILT |
501 | else |
502 | { | |
96803768 ILT |
503 | if (output_offset == -1) |
504 | view = of->get_input_output_view(view_start, view_size); | |
505 | else | |
506 | { | |
507 | view = of->get_output_view(view_start, view_size); | |
cb295612 ILT |
508 | off_t sh_offset = shdr.get_sh_offset(); |
509 | if (!rm.empty() && rm.back().file_offset > sh_offset) | |
510 | is_sorted = false; | |
511 | rm.push_back(File_read::Read_multiple_entry(sh_offset, | |
512 | view_size, view)); | |
96803768 | 513 | } |
730cdc88 | 514 | } |
92e059d8 | 515 | |
61ba1cf9 | 516 | pvs->view = view; |
730cdc88 ILT |
517 | pvs->address = os->address(); |
518 | if (output_offset != -1) | |
519 | pvs->address += output_offset; | |
520 | pvs->offset = view_start; | |
521 | pvs->view_size = view_size; | |
522 | pvs->is_input_output_view = output_offset == -1; | |
96803768 | 523 | pvs->is_postprocessing_view = os->requires_postprocessing(); |
61ba1cf9 | 524 | } |
cb295612 ILT |
525 | |
526 | // Actually read the data. | |
527 | if (!rm.empty()) | |
528 | { | |
529 | if (!is_sorted) | |
530 | std::sort(rm.begin(), rm.end(), Read_multiple_compare()); | |
531 | this->read_multiple(rm); | |
532 | } | |
61ba1cf9 ILT |
533 | } |
534 | ||
535 | // Relocate section data. VIEWS points to the section data as views | |
536 | // in the output file. | |
537 | ||
538 | template<int size, bool big_endian> | |
539 | void | |
f6ce93d6 | 540 | Sized_relobj<size, big_endian>::relocate_sections( |
92e059d8 ILT |
541 | const General_options& options, |
542 | const Symbol_table* symtab, | |
543 | const Layout* layout, | |
544 | const unsigned char* pshdrs, | |
545 | Views* pviews) | |
61ba1cf9 ILT |
546 | { |
547 | unsigned int shnum = this->shnum(); | |
61ba1cf9 ILT |
548 | Sized_target<size, big_endian>* target = this->sized_target(); |
549 | ||
17a1d0a9 | 550 | const std::vector<Map_to_output>& map_sections(this->map_to_output()); |
730cdc88 | 551 | |
92e059d8 ILT |
552 | Relocate_info<size, big_endian> relinfo; |
553 | relinfo.options = &options; | |
554 | relinfo.symtab = symtab; | |
555 | relinfo.layout = layout; | |
556 | relinfo.object = this; | |
92e059d8 | 557 | |
61ba1cf9 ILT |
558 | const unsigned char* p = pshdrs + This::shdr_size; |
559 | for (unsigned int i = 1; i < shnum; ++i, p += This::shdr_size) | |
560 | { | |
561 | typename This::Shdr shdr(p); | |
562 | ||
563 | unsigned int sh_type = shdr.get_sh_type(); | |
564 | if (sh_type != elfcpp::SHT_REL && sh_type != elfcpp::SHT_RELA) | |
565 | continue; | |
566 | ||
567 | unsigned int index = shdr.get_sh_info(); | |
568 | if (index >= this->shnum()) | |
569 | { | |
75f2446e ILT |
570 | this->error(_("relocation section %u has bad info %u"), |
571 | i, index); | |
572 | continue; | |
61ba1cf9 ILT |
573 | } |
574 | ||
730cdc88 ILT |
575 | Output_section* os = map_sections[index].output_section; |
576 | if (os == NULL) | |
61ba1cf9 ILT |
577 | { |
578 | // This relocation section is against a section which we | |
579 | // discarded. | |
580 | continue; | |
581 | } | |
730cdc88 | 582 | off_t output_offset = map_sections[index].offset; |
61ba1cf9 | 583 | |
a3ad94ed | 584 | gold_assert((*pviews)[index].view != NULL); |
61ba1cf9 | 585 | |
645f8123 | 586 | if (shdr.get_sh_link() != this->symtab_shndx_) |
61ba1cf9 | 587 | { |
75f2446e ILT |
588 | gold_error(_("relocation section %u uses unexpected " |
589 | "symbol table %u"), | |
590 | i, shdr.get_sh_link()); | |
591 | continue; | |
61ba1cf9 ILT |
592 | } |
593 | ||
594 | off_t sh_size = shdr.get_sh_size(); | |
595 | const unsigned char* prelocs = this->get_view(shdr.get_sh_offset(), | |
9eb9fa57 | 596 | sh_size, false); |
61ba1cf9 ILT |
597 | |
598 | unsigned int reloc_size; | |
599 | if (sh_type == elfcpp::SHT_REL) | |
600 | reloc_size = elfcpp::Elf_sizes<size>::rel_size; | |
601 | else | |
602 | reloc_size = elfcpp::Elf_sizes<size>::rela_size; | |
603 | ||
604 | if (reloc_size != shdr.get_sh_entsize()) | |
605 | { | |
75f2446e ILT |
606 | gold_error(_("unexpected entsize for reloc section %u: %lu != %u"), |
607 | i, static_cast<unsigned long>(shdr.get_sh_entsize()), | |
730cdc88 | 608 | reloc_size); |
75f2446e | 609 | continue; |
61ba1cf9 ILT |
610 | } |
611 | ||
612 | size_t reloc_count = sh_size / reloc_size; | |
f5c3f225 | 613 | if (static_cast<off_t>(reloc_count * reloc_size) != sh_size) |
61ba1cf9 | 614 | { |
75f2446e ILT |
615 | gold_error(_("reloc section %u size %lu uneven"), |
616 | i, static_cast<unsigned long>(sh_size)); | |
617 | continue; | |
61ba1cf9 ILT |
618 | } |
619 | ||
96803768 ILT |
620 | gold_assert(output_offset != -1 |
621 | || this->relocs_must_follow_section_writes()); | |
622 | ||
92e059d8 ILT |
623 | relinfo.reloc_shndx = i; |
624 | relinfo.data_shndx = index; | |
625 | target->relocate_section(&relinfo, | |
626 | sh_type, | |
627 | prelocs, | |
628 | reloc_count, | |
730cdc88 ILT |
629 | os, |
630 | output_offset == -1, | |
61ba1cf9 ILT |
631 | (*pviews)[index].view, |
632 | (*pviews)[index].address, | |
633 | (*pviews)[index].view_size); | |
634 | } | |
635 | } | |
636 | ||
a9a60db6 ILT |
637 | // Create merge hash tables for the local symbols. These are used to |
638 | // speed up relocations. | |
639 | ||
640 | template<int size, bool big_endian> | |
641 | void | |
642 | Sized_relobj<size, big_endian>::initialize_input_to_output_maps() | |
643 | { | |
644 | const unsigned int loccount = this->local_symbol_count_; | |
645 | for (unsigned int i = 1; i < loccount; ++i) | |
646 | { | |
647 | Symbol_value<size>& lv(this->local_values_[i]); | |
648 | lv.initialize_input_to_output_map(this); | |
649 | } | |
650 | } | |
651 | ||
652 | // Free merge hash tables for the local symbols. | |
653 | ||
654 | template<int size, bool big_endian> | |
655 | void | |
656 | Sized_relobj<size, big_endian>::free_input_to_output_maps() | |
657 | { | |
658 | const unsigned int loccount = this->local_symbol_count_; | |
659 | for (unsigned int i = 1; i < loccount; ++i) | |
660 | { | |
661 | Symbol_value<size>& lv(this->local_values_[i]); | |
662 | lv.free_input_to_output_map(); | |
663 | } | |
664 | } | |
665 | ||
666 | // Class Merged_symbol_value. | |
667 | ||
668 | template<int size> | |
669 | void | |
670 | Merged_symbol_value<size>::initialize_input_to_output_map( | |
671 | const Relobj* object, | |
672 | unsigned int input_shndx) | |
673 | { | |
674 | Object_merge_map* map = object->merge_map(); | |
675 | map->initialize_input_to_output_map<size>(input_shndx, | |
676 | this->output_start_address_, | |
677 | &this->output_addresses_); | |
678 | } | |
679 | ||
680 | // Get the output value corresponding to an input offset if we | |
681 | // couldn't find it in the hash table. | |
682 | ||
683 | template<int size> | |
684 | typename elfcpp::Elf_types<size>::Elf_Addr | |
685 | Merged_symbol_value<size>::value_from_output_section( | |
686 | const Relobj* object, | |
687 | unsigned int input_shndx, | |
688 | typename elfcpp::Elf_types<size>::Elf_Addr input_offset) const | |
689 | { | |
690 | section_offset_type output_offset; | |
691 | bool found = object->merge_map()->get_output_offset(NULL, input_shndx, | |
692 | input_offset, | |
693 | &output_offset); | |
694 | ||
695 | // If this assertion fails, it means that some relocation was | |
696 | // against a portion of an input merge section which we didn't map | |
697 | // to the output file and we didn't explicitly discard. We should | |
698 | // always map all portions of input merge sections. | |
699 | gold_assert(found); | |
700 | ||
701 | if (output_offset == -1) | |
702 | return 0; | |
703 | else | |
704 | return this->output_start_address_ + output_offset; | |
705 | } | |
706 | ||
5a6f7e2d ILT |
707 | // Copy_relocs::Copy_reloc_entry methods. |
708 | ||
709 | // Return whether we should emit this reloc. We should emit it if the | |
710 | // symbol is still defined in a dynamic object. If we should not emit | |
711 | // it, we clear it, to save ourselves the test next time. | |
712 | ||
713 | template<int size, bool big_endian> | |
714 | bool | |
715 | Copy_relocs<size, big_endian>::Copy_reloc_entry::should_emit() | |
716 | { | |
717 | if (this->sym_ == NULL) | |
718 | return false; | |
14b31740 | 719 | if (this->sym_->is_from_dynobj()) |
5a6f7e2d ILT |
720 | return true; |
721 | this->sym_ = NULL; | |
722 | return false; | |
723 | } | |
724 | ||
725 | // Emit a reloc into a SHT_REL section. | |
726 | ||
727 | template<int size, bool big_endian> | |
728 | void | |
729 | Copy_relocs<size, big_endian>::Copy_reloc_entry::emit( | |
730 | Output_data_reloc<elfcpp::SHT_REL, true, size, big_endian>* reloc_data) | |
731 | { | |
16649710 | 732 | this->sym_->set_needs_dynsym_entry(); |
4f4c5f80 ILT |
733 | reloc_data->add_global(this->sym_, this->reloc_type_, this->output_section_, |
734 | this->relobj_, this->shndx_, this->address_); | |
5a6f7e2d ILT |
735 | } |
736 | ||
737 | // Emit a reloc into a SHT_RELA section. | |
738 | ||
739 | template<int size, bool big_endian> | |
740 | void | |
741 | Copy_relocs<size, big_endian>::Copy_reloc_entry::emit( | |
742 | Output_data_reloc<elfcpp::SHT_RELA, true, size, big_endian>* reloc_data) | |
743 | { | |
16649710 | 744 | this->sym_->set_needs_dynsym_entry(); |
4f4c5f80 ILT |
745 | reloc_data->add_global(this->sym_, this->reloc_type_, this->output_section_, |
746 | this->relobj_, this->shndx_, this->address_, | |
747 | this->addend_); | |
5a6f7e2d ILT |
748 | } |
749 | ||
750 | // Copy_relocs methods. | |
a3ad94ed ILT |
751 | |
752 | // Return whether we need a COPY reloc for a relocation against GSYM. | |
753 | // The relocation is being applied to section SHNDX in OBJECT. | |
754 | ||
755 | template<int size, bool big_endian> | |
756 | bool | |
5a6f7e2d | 757 | Copy_relocs<size, big_endian>::need_copy_reloc( |
a3ad94ed ILT |
758 | const General_options*, |
759 | Relobj* object, | |
760 | unsigned int shndx, | |
5a6f7e2d | 761 | Sized_symbol<size>* sym) |
a3ad94ed ILT |
762 | { |
763 | // FIXME: Handle -z nocopyrelocs. | |
764 | ||
5a6f7e2d ILT |
765 | if (sym->symsize() == 0) |
766 | return false; | |
767 | ||
a3ad94ed ILT |
768 | // If this is a readonly section, then we need a COPY reloc. |
769 | // Otherwise we can use a dynamic reloc. | |
770 | if ((object->section_flags(shndx) & elfcpp::SHF_WRITE) == 0) | |
771 | return true; | |
772 | ||
773 | return false; | |
774 | } | |
775 | ||
5a6f7e2d ILT |
776 | // Save a Rel reloc. |
777 | ||
778 | template<int size, bool big_endian> | |
779 | void | |
780 | Copy_relocs<size, big_endian>::save( | |
781 | Symbol* sym, | |
782 | Relobj* relobj, | |
783 | unsigned int shndx, | |
4f4c5f80 | 784 | Output_section* output_section, |
5a6f7e2d ILT |
785 | const elfcpp::Rel<size, big_endian>& rel) |
786 | { | |
787 | unsigned int reloc_type = elfcpp::elf_r_type<size>(rel.get_r_info()); | |
788 | this->entries_.push_back(Copy_reloc_entry(sym, reloc_type, relobj, shndx, | |
4f4c5f80 ILT |
789 | output_section, |
790 | rel.get_r_offset(), 0)); | |
5a6f7e2d ILT |
791 | } |
792 | ||
793 | // Save a Rela reloc. | |
794 | ||
795 | template<int size, bool big_endian> | |
796 | void | |
797 | Copy_relocs<size, big_endian>::save( | |
798 | Symbol* sym, | |
799 | Relobj* relobj, | |
800 | unsigned int shndx, | |
4f4c5f80 | 801 | Output_section* output_section, |
5a6f7e2d ILT |
802 | const elfcpp::Rela<size, big_endian>& rela) |
803 | { | |
804 | unsigned int reloc_type = elfcpp::elf_r_type<size>(rela.get_r_info()); | |
805 | this->entries_.push_back(Copy_reloc_entry(sym, reloc_type, relobj, shndx, | |
4f4c5f80 | 806 | output_section, |
5a6f7e2d ILT |
807 | rela.get_r_offset(), |
808 | rela.get_r_addend())); | |
809 | } | |
810 | ||
811 | // Return whether there are any relocs to emit. We don't want to emit | |
812 | // a reloc if the symbol is no longer defined in a dynamic object. | |
813 | ||
814 | template<int size, bool big_endian> | |
815 | bool | |
816 | Copy_relocs<size, big_endian>::any_to_emit() | |
817 | { | |
818 | for (typename Copy_reloc_entries::iterator p = this->entries_.begin(); | |
819 | p != this->entries_.end(); | |
820 | ++p) | |
821 | { | |
822 | if (p->should_emit()) | |
823 | return true; | |
824 | } | |
825 | return false; | |
826 | } | |
827 | ||
828 | // Emit relocs. | |
829 | ||
830 | template<int size, bool big_endian> | |
831 | template<int sh_type> | |
832 | void | |
833 | Copy_relocs<size, big_endian>::emit( | |
834 | Output_data_reloc<sh_type, true, size, big_endian>* reloc_data) | |
835 | { | |
836 | for (typename Copy_reloc_entries::iterator p = this->entries_.begin(); | |
837 | p != this->entries_.end(); | |
838 | ++p) | |
839 | { | |
840 | if (p->should_emit()) | |
841 | p->emit(reloc_data); | |
842 | } | |
843 | } | |
844 | ||
730cdc88 ILT |
845 | // Track_relocs methods. |
846 | ||
847 | // Initialize the class to track the relocs. This gets the object, | |
848 | // the reloc section index, and the type of the relocs. This returns | |
849 | // false if something goes wrong. | |
850 | ||
851 | template<int size, bool big_endian> | |
852 | bool | |
853 | Track_relocs<size, big_endian>::initialize( | |
b696e6d4 | 854 | Object* object, |
730cdc88 ILT |
855 | unsigned int reloc_shndx, |
856 | unsigned int reloc_type) | |
857 | { | |
730cdc88 ILT |
858 | // If RELOC_SHNDX is -1U, it means there is more than one reloc |
859 | // section for the .eh_frame section. We can't handle that case. | |
860 | if (reloc_shndx == -1U) | |
861 | return false; | |
862 | ||
863 | // If RELOC_SHNDX is 0, there is no reloc section. | |
864 | if (reloc_shndx == 0) | |
865 | return true; | |
866 | ||
867 | // Get the contents of the reloc section. | |
868 | this->prelocs_ = object->section_contents(reloc_shndx, &this->len_, false); | |
869 | ||
870 | if (reloc_type == elfcpp::SHT_REL) | |
871 | this->reloc_size_ = elfcpp::Elf_sizes<size>::rel_size; | |
872 | else if (reloc_type == elfcpp::SHT_RELA) | |
873 | this->reloc_size_ = elfcpp::Elf_sizes<size>::rela_size; | |
874 | else | |
875 | gold_unreachable(); | |
876 | ||
877 | if (this->len_ % this->reloc_size_ != 0) | |
878 | { | |
879 | object->error(_("reloc section size %zu is not a multiple of " | |
880 | "reloc size %d\n"), | |
881 | static_cast<size_t>(this->len_), | |
882 | this->reloc_size_); | |
883 | return false; | |
884 | } | |
885 | ||
886 | return true; | |
887 | } | |
888 | ||
889 | // Return the offset of the next reloc, or -1 if there isn't one. | |
890 | ||
891 | template<int size, bool big_endian> | |
892 | off_t | |
893 | Track_relocs<size, big_endian>::next_offset() const | |
894 | { | |
895 | if (this->pos_ >= this->len_) | |
896 | return -1; | |
897 | ||
898 | // Rel and Rela start out the same, so we can always use Rel to find | |
899 | // the r_offset value. | |
900 | elfcpp::Rel<size, big_endian> rel(this->prelocs_ + this->pos_); | |
901 | return rel.get_r_offset(); | |
902 | } | |
903 | ||
904 | // Return the index of the symbol referenced by the next reloc, or -1U | |
905 | // if there aren't any more relocs. | |
906 | ||
907 | template<int size, bool big_endian> | |
908 | unsigned int | |
909 | Track_relocs<size, big_endian>::next_symndx() const | |
910 | { | |
911 | if (this->pos_ >= this->len_) | |
912 | return -1U; | |
913 | ||
914 | // Rel and Rela start out the same, so we can use Rel to find the | |
915 | // symbol index. | |
916 | elfcpp::Rel<size, big_endian> rel(this->prelocs_ + this->pos_); | |
917 | return elfcpp::elf_r_sym<size>(rel.get_r_info()); | |
918 | } | |
919 | ||
920 | // Advance to the next reloc whose r_offset is greater than or equal | |
921 | // to OFFSET. Return the number of relocs we skip. | |
922 | ||
923 | template<int size, bool big_endian> | |
924 | int | |
925 | Track_relocs<size, big_endian>::advance(off_t offset) | |
926 | { | |
927 | int ret = 0; | |
928 | while (this->pos_ < this->len_) | |
929 | { | |
930 | // Rel and Rela start out the same, so we can always use Rel to | |
931 | // find the r_offset value. | |
932 | elfcpp::Rel<size, big_endian> rel(this->prelocs_ + this->pos_); | |
933 | if (static_cast<off_t>(rel.get_r_offset()) >= offset) | |
934 | break; | |
935 | ++ret; | |
936 | this->pos_ += this->reloc_size_; | |
937 | } | |
938 | return ret; | |
939 | } | |
940 | ||
61ba1cf9 ILT |
941 | // Instantiate the templates we need. We could use the configure |
942 | // script to restrict this to only the ones for implemented targets. | |
943 | ||
193a53d9 | 944 | #ifdef HAVE_TARGET_32_LITTLE |
92e059d8 ILT |
945 | template |
946 | void | |
f6ce93d6 | 947 | Sized_relobj<32, false>::do_read_relocs(Read_relocs_data* rd); |
193a53d9 | 948 | #endif |
92e059d8 | 949 | |
193a53d9 | 950 | #ifdef HAVE_TARGET_32_BIG |
92e059d8 ILT |
951 | template |
952 | void | |
f6ce93d6 | 953 | Sized_relobj<32, true>::do_read_relocs(Read_relocs_data* rd); |
193a53d9 | 954 | #endif |
92e059d8 | 955 | |
193a53d9 | 956 | #ifdef HAVE_TARGET_64_LITTLE |
92e059d8 ILT |
957 | template |
958 | void | |
f6ce93d6 | 959 | Sized_relobj<64, false>::do_read_relocs(Read_relocs_data* rd); |
193a53d9 | 960 | #endif |
92e059d8 | 961 | |
193a53d9 | 962 | #ifdef HAVE_TARGET_64_BIG |
92e059d8 ILT |
963 | template |
964 | void | |
f6ce93d6 | 965 | Sized_relobj<64, true>::do_read_relocs(Read_relocs_data* rd); |
193a53d9 | 966 | #endif |
92e059d8 | 967 | |
193a53d9 | 968 | #ifdef HAVE_TARGET_32_LITTLE |
92e059d8 ILT |
969 | template |
970 | void | |
f6ce93d6 | 971 | Sized_relobj<32, false>::do_scan_relocs(const General_options& options, |
92e059d8 | 972 | Symbol_table* symtab, |
ead1e424 | 973 | Layout* layout, |
92e059d8 | 974 | Read_relocs_data* rd); |
193a53d9 | 975 | #endif |
92e059d8 | 976 | |
193a53d9 | 977 | #ifdef HAVE_TARGET_32_BIG |
92e059d8 ILT |
978 | template |
979 | void | |
f6ce93d6 | 980 | Sized_relobj<32, true>::do_scan_relocs(const General_options& options, |
92e059d8 | 981 | Symbol_table* symtab, |
ead1e424 | 982 | Layout* layout, |
92e059d8 | 983 | Read_relocs_data* rd); |
193a53d9 | 984 | #endif |
92e059d8 | 985 | |
193a53d9 | 986 | #ifdef HAVE_TARGET_64_LITTLE |
92e059d8 ILT |
987 | template |
988 | void | |
f6ce93d6 | 989 | Sized_relobj<64, false>::do_scan_relocs(const General_options& options, |
92e059d8 | 990 | Symbol_table* symtab, |
ead1e424 | 991 | Layout* layout, |
92e059d8 | 992 | Read_relocs_data* rd); |
193a53d9 | 993 | #endif |
92e059d8 | 994 | |
193a53d9 | 995 | #ifdef HAVE_TARGET_64_BIG |
92e059d8 ILT |
996 | template |
997 | void | |
f6ce93d6 | 998 | Sized_relobj<64, true>::do_scan_relocs(const General_options& options, |
92e059d8 | 999 | Symbol_table* symtab, |
ead1e424 | 1000 | Layout* layout, |
92e059d8 | 1001 | Read_relocs_data* rd); |
193a53d9 | 1002 | #endif |
92e059d8 | 1003 | |
193a53d9 | 1004 | #ifdef HAVE_TARGET_32_LITTLE |
61ba1cf9 ILT |
1005 | template |
1006 | void | |
f6ce93d6 | 1007 | Sized_relobj<32, false>::do_relocate(const General_options& options, |
61ba1cf9 | 1008 | const Symbol_table* symtab, |
92e059d8 | 1009 | const Layout* layout, |
61ba1cf9 | 1010 | Output_file* of); |
193a53d9 | 1011 | #endif |
61ba1cf9 | 1012 | |
193a53d9 | 1013 | #ifdef HAVE_TARGET_32_BIG |
61ba1cf9 ILT |
1014 | template |
1015 | void | |
f6ce93d6 | 1016 | Sized_relobj<32, true>::do_relocate(const General_options& options, |
61ba1cf9 | 1017 | const Symbol_table* symtab, |
92e059d8 | 1018 | const Layout* layout, |
61ba1cf9 | 1019 | Output_file* of); |
193a53d9 | 1020 | #endif |
61ba1cf9 | 1021 | |
193a53d9 | 1022 | #ifdef HAVE_TARGET_64_LITTLE |
61ba1cf9 ILT |
1023 | template |
1024 | void | |
f6ce93d6 | 1025 | Sized_relobj<64, false>::do_relocate(const General_options& options, |
61ba1cf9 | 1026 | const Symbol_table* symtab, |
92e059d8 | 1027 | const Layout* layout, |
61ba1cf9 | 1028 | Output_file* of); |
193a53d9 | 1029 | #endif |
61ba1cf9 | 1030 | |
193a53d9 | 1031 | #ifdef HAVE_TARGET_64_BIG |
61ba1cf9 ILT |
1032 | template |
1033 | void | |
f6ce93d6 | 1034 | Sized_relobj<64, true>::do_relocate(const General_options& options, |
61ba1cf9 | 1035 | const Symbol_table* symtab, |
92e059d8 | 1036 | const Layout* layout, |
61ba1cf9 | 1037 | Output_file* of); |
193a53d9 | 1038 | #endif |
61ba1cf9 | 1039 | |
a9a60db6 ILT |
1040 | #if defined(HAVE_TARGET_32_LITTLE) || defined(HAVE_TARGET_32_BIG) |
1041 | template | |
1042 | class Merged_symbol_value<32>; | |
1043 | #endif | |
1044 | ||
1045 | #if defined(HAVE_TARGET_64_LITTLE) || defined(HAVE_TARGET_64_BIG) | |
1046 | template | |
1047 | class Merged_symbol_value<64>; | |
1048 | #endif | |
1049 | ||
1050 | #if defined(HAVE_TARGET_32_LITTLE) || defined(HAVE_TARGET_32_BIG) | |
1051 | template | |
1052 | class Symbol_value<32>; | |
1053 | #endif | |
1054 | ||
1055 | #if defined(HAVE_TARGET_64_LITTLE) || defined(HAVE_TARGET_64_BIG) | |
1056 | template | |
1057 | class Symbol_value<64>; | |
1058 | #endif | |
1059 | ||
193a53d9 | 1060 | #ifdef HAVE_TARGET_32_LITTLE |
a3ad94ed | 1061 | template |
5a6f7e2d | 1062 | class Copy_relocs<32, false>; |
193a53d9 | 1063 | #endif |
a3ad94ed | 1064 | |
193a53d9 | 1065 | #ifdef HAVE_TARGET_32_BIG |
a3ad94ed | 1066 | template |
5a6f7e2d | 1067 | class Copy_relocs<32, true>; |
193a53d9 | 1068 | #endif |
a3ad94ed | 1069 | |
193a53d9 | 1070 | #ifdef HAVE_TARGET_64_LITTLE |
a3ad94ed | 1071 | template |
5a6f7e2d | 1072 | class Copy_relocs<64, false>; |
193a53d9 | 1073 | #endif |
a3ad94ed | 1074 | |
193a53d9 | 1075 | #ifdef HAVE_TARGET_64_BIG |
a3ad94ed | 1076 | template |
5a6f7e2d | 1077 | class Copy_relocs<64, true>; |
193a53d9 | 1078 | #endif |
5a6f7e2d | 1079 | |
193a53d9 | 1080 | #ifdef HAVE_TARGET_32_LITTLE |
5a6f7e2d ILT |
1081 | template |
1082 | void | |
1083 | Copy_relocs<32, false>::emit<elfcpp::SHT_REL>( | |
1084 | Output_data_reloc<elfcpp::SHT_REL, true, 32, false>*); | |
193a53d9 | 1085 | #endif |
5a6f7e2d | 1086 | |
193a53d9 | 1087 | #ifdef HAVE_TARGET_32_BIG |
5a6f7e2d ILT |
1088 | template |
1089 | void | |
1090 | Copy_relocs<32, true>::emit<elfcpp::SHT_REL>( | |
1091 | Output_data_reloc<elfcpp::SHT_REL, true, 32, true>*); | |
193a53d9 | 1092 | #endif |
5a6f7e2d | 1093 | |
193a53d9 | 1094 | #ifdef HAVE_TARGET_64_LITTLE |
5a6f7e2d ILT |
1095 | template |
1096 | void | |
1097 | Copy_relocs<64, false>::emit<elfcpp::SHT_REL>( | |
1098 | Output_data_reloc<elfcpp::SHT_REL, true, 64, false>*); | |
193a53d9 | 1099 | #endif |
5a6f7e2d | 1100 | |
193a53d9 | 1101 | #ifdef HAVE_TARGET_64_BIG |
5a6f7e2d ILT |
1102 | template |
1103 | void | |
1104 | Copy_relocs<64, true>::emit<elfcpp::SHT_REL>( | |
1105 | Output_data_reloc<elfcpp::SHT_REL, true, 64, true>*); | |
193a53d9 | 1106 | #endif |
5a6f7e2d | 1107 | |
193a53d9 | 1108 | #ifdef HAVE_TARGET_32_LITTLE |
5a6f7e2d ILT |
1109 | template |
1110 | void | |
1111 | Copy_relocs<32, false>::emit<elfcpp::SHT_RELA>( | |
1112 | Output_data_reloc<elfcpp::SHT_RELA , true, 32, false>*); | |
193a53d9 | 1113 | #endif |
5a6f7e2d | 1114 | |
193a53d9 | 1115 | #ifdef HAVE_TARGET_32_BIG |
5a6f7e2d ILT |
1116 | template |
1117 | void | |
1118 | Copy_relocs<32, true>::emit<elfcpp::SHT_RELA>( | |
1119 | Output_data_reloc<elfcpp::SHT_RELA, true, 32, true>*); | |
193a53d9 | 1120 | #endif |
5a6f7e2d | 1121 | |
193a53d9 | 1122 | #ifdef HAVE_TARGET_64_LITTLE |
5a6f7e2d ILT |
1123 | template |
1124 | void | |
1125 | Copy_relocs<64, false>::emit<elfcpp::SHT_RELA>( | |
1126 | Output_data_reloc<elfcpp::SHT_RELA, true, 64, false>*); | |
193a53d9 | 1127 | #endif |
5a6f7e2d | 1128 | |
193a53d9 | 1129 | #ifdef HAVE_TARGET_64_BIG |
5a6f7e2d ILT |
1130 | template |
1131 | void | |
1132 | Copy_relocs<64, true>::emit<elfcpp::SHT_RELA>( | |
1133 | Output_data_reloc<elfcpp::SHT_RELA, true, 64, true>*); | |
193a53d9 | 1134 | #endif |
61ba1cf9 | 1135 | |
730cdc88 ILT |
1136 | #ifdef HAVE_TARGET_32_LITTLE |
1137 | template | |
1138 | class Track_relocs<32, false>; | |
1139 | #endif | |
1140 | ||
1141 | #ifdef HAVE_TARGET_32_BIG | |
1142 | template | |
1143 | class Track_relocs<32, true>; | |
1144 | #endif | |
1145 | ||
1146 | #ifdef HAVE_TARGET_64_LITTLE | |
1147 | template | |
1148 | class Track_relocs<64, false>; | |
1149 | #endif | |
1150 | ||
1151 | #ifdef HAVE_TARGET_64_BIG | |
1152 | template | |
1153 | class Track_relocs<64, true>; | |
1154 | #endif | |
1155 | ||
61ba1cf9 | 1156 | } // End namespace gold. |