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a2fb1b05 ILT |
1 | // output.cc -- manage the output file 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 | ||
a2fb1b05 ILT |
23 | #include "gold.h" |
24 | ||
25 | #include <cstdlib> | |
61ba1cf9 ILT |
26 | #include <cerrno> |
27 | #include <fcntl.h> | |
28 | #include <unistd.h> | |
29 | #include <sys/mman.h> | |
75f65a3e | 30 | #include <algorithm> |
a2fb1b05 | 31 | |
7e1edb90 | 32 | #include "parameters.h" |
a2fb1b05 | 33 | #include "object.h" |
ead1e424 ILT |
34 | #include "symtab.h" |
35 | #include "reloc.h" | |
b8e6aad9 | 36 | #include "merge.h" |
a2fb1b05 ILT |
37 | #include "output.h" |
38 | ||
39 | namespace gold | |
40 | { | |
41 | ||
a3ad94ed ILT |
42 | // Output_data variables. |
43 | ||
44 | bool Output_data::sizes_are_fixed; | |
45 | ||
a2fb1b05 ILT |
46 | // Output_data methods. |
47 | ||
48 | Output_data::~Output_data() | |
49 | { | |
50 | } | |
51 | ||
75f65a3e ILT |
52 | // Set the address and offset. |
53 | ||
54 | void | |
55 | Output_data::set_address(uint64_t addr, off_t off) | |
56 | { | |
57 | this->address_ = addr; | |
58 | this->offset_ = off; | |
59 | ||
60 | // Let the child class know. | |
61 | this->do_set_address(addr, off); | |
62 | } | |
63 | ||
64 | // Return the default alignment for a size--32 or 64. | |
65 | ||
66 | uint64_t | |
67 | Output_data::default_alignment(int size) | |
68 | { | |
69 | if (size == 32) | |
70 | return 4; | |
71 | else if (size == 64) | |
72 | return 8; | |
73 | else | |
a3ad94ed | 74 | gold_unreachable(); |
75f65a3e ILT |
75 | } |
76 | ||
75f65a3e ILT |
77 | // Output_section_header methods. This currently assumes that the |
78 | // segment and section lists are complete at construction time. | |
79 | ||
80 | Output_section_headers::Output_section_headers( | |
81 | int size, | |
61ba1cf9 | 82 | bool big_endian, |
16649710 ILT |
83 | const Layout* layout, |
84 | const Layout::Segment_list* segment_list, | |
85 | const Layout::Section_list* unattached_section_list, | |
61ba1cf9 | 86 | const Stringpool* secnamepool) |
75f65a3e | 87 | : size_(size), |
61ba1cf9 | 88 | big_endian_(big_endian), |
16649710 | 89 | layout_(layout), |
75f65a3e | 90 | segment_list_(segment_list), |
a3ad94ed | 91 | unattached_section_list_(unattached_section_list), |
61ba1cf9 | 92 | secnamepool_(secnamepool) |
75f65a3e | 93 | { |
61ba1cf9 ILT |
94 | // Count all the sections. Start with 1 for the null section. |
95 | off_t count = 1; | |
16649710 ILT |
96 | for (Layout::Segment_list::const_iterator p = segment_list->begin(); |
97 | p != segment_list->end(); | |
75f65a3e | 98 | ++p) |
ead1e424 ILT |
99 | if ((*p)->type() == elfcpp::PT_LOAD) |
100 | count += (*p)->output_section_count(); | |
16649710 | 101 | count += unattached_section_list->size(); |
75f65a3e ILT |
102 | |
103 | int shdr_size; | |
104 | if (size == 32) | |
105 | shdr_size = elfcpp::Elf_sizes<32>::shdr_size; | |
106 | else if (size == 64) | |
107 | shdr_size = elfcpp::Elf_sizes<64>::shdr_size; | |
108 | else | |
a3ad94ed | 109 | gold_unreachable(); |
75f65a3e ILT |
110 | |
111 | this->set_data_size(count * shdr_size); | |
112 | } | |
113 | ||
61ba1cf9 ILT |
114 | // Write out the section headers. |
115 | ||
75f65a3e | 116 | void |
61ba1cf9 | 117 | Output_section_headers::do_write(Output_file* of) |
a2fb1b05 | 118 | { |
61ba1cf9 ILT |
119 | if (this->size_ == 32) |
120 | { | |
121 | if (this->big_endian_) | |
122 | this->do_sized_write<32, true>(of); | |
123 | else | |
124 | this->do_sized_write<32, false>(of); | |
125 | } | |
126 | else if (this->size_ == 64) | |
127 | { | |
128 | if (this->big_endian_) | |
129 | this->do_sized_write<64, true>(of); | |
130 | else | |
131 | this->do_sized_write<64, false>(of); | |
132 | } | |
133 | else | |
a3ad94ed | 134 | gold_unreachable(); |
61ba1cf9 ILT |
135 | } |
136 | ||
137 | template<int size, bool big_endian> | |
138 | void | |
139 | Output_section_headers::do_sized_write(Output_file* of) | |
140 | { | |
141 | off_t all_shdrs_size = this->data_size(); | |
142 | unsigned char* view = of->get_output_view(this->offset(), all_shdrs_size); | |
143 | ||
144 | const int shdr_size = elfcpp::Elf_sizes<size>::shdr_size; | |
145 | unsigned char* v = view; | |
146 | ||
147 | { | |
148 | typename elfcpp::Shdr_write<size, big_endian> oshdr(v); | |
149 | oshdr.put_sh_name(0); | |
150 | oshdr.put_sh_type(elfcpp::SHT_NULL); | |
151 | oshdr.put_sh_flags(0); | |
152 | oshdr.put_sh_addr(0); | |
153 | oshdr.put_sh_offset(0); | |
154 | oshdr.put_sh_size(0); | |
155 | oshdr.put_sh_link(0); | |
156 | oshdr.put_sh_info(0); | |
157 | oshdr.put_sh_addralign(0); | |
158 | oshdr.put_sh_entsize(0); | |
159 | } | |
160 | ||
161 | v += shdr_size; | |
162 | ||
ead1e424 | 163 | unsigned shndx = 1; |
16649710 ILT |
164 | for (Layout::Segment_list::const_iterator p = this->segment_list_->begin(); |
165 | p != this->segment_list_->end(); | |
61ba1cf9 | 166 | ++p) |
593f47df | 167 | v = (*p)->write_section_headers SELECT_SIZE_ENDIAN_NAME(size, big_endian) ( |
16649710 | 168 | this->layout_, this->secnamepool_, v, &shndx |
ead1e424 | 169 | SELECT_SIZE_ENDIAN(size, big_endian)); |
a3ad94ed | 170 | for (Layout::Section_list::const_iterator p = |
16649710 ILT |
171 | this->unattached_section_list_->begin(); |
172 | p != this->unattached_section_list_->end(); | |
61ba1cf9 ILT |
173 | ++p) |
174 | { | |
a3ad94ed | 175 | gold_assert(shndx == (*p)->out_shndx()); |
61ba1cf9 | 176 | elfcpp::Shdr_write<size, big_endian> oshdr(v); |
16649710 | 177 | (*p)->write_header(this->layout_, this->secnamepool_, &oshdr); |
61ba1cf9 | 178 | v += shdr_size; |
ead1e424 | 179 | ++shndx; |
61ba1cf9 ILT |
180 | } |
181 | ||
182 | of->write_output_view(this->offset(), all_shdrs_size, view); | |
a2fb1b05 ILT |
183 | } |
184 | ||
54dc6425 ILT |
185 | // Output_segment_header methods. |
186 | ||
61ba1cf9 ILT |
187 | Output_segment_headers::Output_segment_headers( |
188 | int size, | |
189 | bool big_endian, | |
190 | const Layout::Segment_list& segment_list) | |
191 | : size_(size), big_endian_(big_endian), segment_list_(segment_list) | |
192 | { | |
193 | int phdr_size; | |
194 | if (size == 32) | |
195 | phdr_size = elfcpp::Elf_sizes<32>::phdr_size; | |
196 | else if (size == 64) | |
197 | phdr_size = elfcpp::Elf_sizes<64>::phdr_size; | |
198 | else | |
a3ad94ed | 199 | gold_unreachable(); |
61ba1cf9 ILT |
200 | |
201 | this->set_data_size(segment_list.size() * phdr_size); | |
202 | } | |
203 | ||
54dc6425 | 204 | void |
61ba1cf9 | 205 | Output_segment_headers::do_write(Output_file* of) |
75f65a3e | 206 | { |
61ba1cf9 ILT |
207 | if (this->size_ == 32) |
208 | { | |
209 | if (this->big_endian_) | |
210 | this->do_sized_write<32, true>(of); | |
211 | else | |
212 | this->do_sized_write<32, false>(of); | |
213 | } | |
214 | else if (this->size_ == 64) | |
215 | { | |
216 | if (this->big_endian_) | |
217 | this->do_sized_write<64, true>(of); | |
218 | else | |
219 | this->do_sized_write<64, false>(of); | |
220 | } | |
221 | else | |
a3ad94ed | 222 | gold_unreachable(); |
61ba1cf9 ILT |
223 | } |
224 | ||
225 | template<int size, bool big_endian> | |
226 | void | |
227 | Output_segment_headers::do_sized_write(Output_file* of) | |
228 | { | |
229 | const int phdr_size = elfcpp::Elf_sizes<size>::phdr_size; | |
230 | off_t all_phdrs_size = this->segment_list_.size() * phdr_size; | |
231 | unsigned char* view = of->get_output_view(this->offset(), | |
232 | all_phdrs_size); | |
233 | unsigned char* v = view; | |
234 | for (Layout::Segment_list::const_iterator p = this->segment_list_.begin(); | |
235 | p != this->segment_list_.end(); | |
236 | ++p) | |
237 | { | |
238 | elfcpp::Phdr_write<size, big_endian> ophdr(v); | |
239 | (*p)->write_header(&ophdr); | |
240 | v += phdr_size; | |
241 | } | |
242 | ||
243 | of->write_output_view(this->offset(), all_phdrs_size, view); | |
75f65a3e ILT |
244 | } |
245 | ||
246 | // Output_file_header methods. | |
247 | ||
248 | Output_file_header::Output_file_header(int size, | |
61ba1cf9 | 249 | bool big_endian, |
75f65a3e ILT |
250 | const Target* target, |
251 | const Symbol_table* symtab, | |
252 | const Output_segment_headers* osh) | |
253 | : size_(size), | |
61ba1cf9 | 254 | big_endian_(big_endian), |
75f65a3e ILT |
255 | target_(target), |
256 | symtab_(symtab), | |
61ba1cf9 | 257 | segment_header_(osh), |
75f65a3e ILT |
258 | section_header_(NULL), |
259 | shstrtab_(NULL) | |
260 | { | |
61ba1cf9 ILT |
261 | int ehdr_size; |
262 | if (size == 32) | |
263 | ehdr_size = elfcpp::Elf_sizes<32>::ehdr_size; | |
264 | else if (size == 64) | |
265 | ehdr_size = elfcpp::Elf_sizes<64>::ehdr_size; | |
266 | else | |
a3ad94ed | 267 | gold_unreachable(); |
61ba1cf9 ILT |
268 | |
269 | this->set_data_size(ehdr_size); | |
75f65a3e ILT |
270 | } |
271 | ||
272 | // Set the section table information for a file header. | |
273 | ||
274 | void | |
275 | Output_file_header::set_section_info(const Output_section_headers* shdrs, | |
276 | const Output_section* shstrtab) | |
277 | { | |
278 | this->section_header_ = shdrs; | |
279 | this->shstrtab_ = shstrtab; | |
280 | } | |
281 | ||
282 | // Write out the file header. | |
283 | ||
284 | void | |
61ba1cf9 | 285 | Output_file_header::do_write(Output_file* of) |
54dc6425 | 286 | { |
61ba1cf9 ILT |
287 | if (this->size_ == 32) |
288 | { | |
289 | if (this->big_endian_) | |
290 | this->do_sized_write<32, true>(of); | |
291 | else | |
292 | this->do_sized_write<32, false>(of); | |
293 | } | |
294 | else if (this->size_ == 64) | |
295 | { | |
296 | if (this->big_endian_) | |
297 | this->do_sized_write<64, true>(of); | |
298 | else | |
299 | this->do_sized_write<64, false>(of); | |
300 | } | |
301 | else | |
a3ad94ed | 302 | gold_unreachable(); |
61ba1cf9 ILT |
303 | } |
304 | ||
305 | // Write out the file header with appropriate size and endianess. | |
306 | ||
307 | template<int size, bool big_endian> | |
308 | void | |
309 | Output_file_header::do_sized_write(Output_file* of) | |
310 | { | |
a3ad94ed | 311 | gold_assert(this->offset() == 0); |
61ba1cf9 ILT |
312 | |
313 | int ehdr_size = elfcpp::Elf_sizes<size>::ehdr_size; | |
314 | unsigned char* view = of->get_output_view(0, ehdr_size); | |
315 | elfcpp::Ehdr_write<size, big_endian> oehdr(view); | |
316 | ||
317 | unsigned char e_ident[elfcpp::EI_NIDENT]; | |
318 | memset(e_ident, 0, elfcpp::EI_NIDENT); | |
319 | e_ident[elfcpp::EI_MAG0] = elfcpp::ELFMAG0; | |
320 | e_ident[elfcpp::EI_MAG1] = elfcpp::ELFMAG1; | |
321 | e_ident[elfcpp::EI_MAG2] = elfcpp::ELFMAG2; | |
322 | e_ident[elfcpp::EI_MAG3] = elfcpp::ELFMAG3; | |
323 | if (size == 32) | |
324 | e_ident[elfcpp::EI_CLASS] = elfcpp::ELFCLASS32; | |
325 | else if (size == 64) | |
326 | e_ident[elfcpp::EI_CLASS] = elfcpp::ELFCLASS64; | |
327 | else | |
a3ad94ed | 328 | gold_unreachable(); |
61ba1cf9 ILT |
329 | e_ident[elfcpp::EI_DATA] = (big_endian |
330 | ? elfcpp::ELFDATA2MSB | |
331 | : elfcpp::ELFDATA2LSB); | |
332 | e_ident[elfcpp::EI_VERSION] = elfcpp::EV_CURRENT; | |
333 | // FIXME: Some targets may need to set EI_OSABI and EI_ABIVERSION. | |
334 | oehdr.put_e_ident(e_ident); | |
335 | ||
336 | elfcpp::ET e_type; | |
337 | // FIXME: ET_DYN. | |
7e1edb90 | 338 | if (parameters->output_is_object()) |
61ba1cf9 ILT |
339 | e_type = elfcpp::ET_REL; |
340 | else | |
341 | e_type = elfcpp::ET_EXEC; | |
342 | oehdr.put_e_type(e_type); | |
343 | ||
344 | oehdr.put_e_machine(this->target_->machine_code()); | |
345 | oehdr.put_e_version(elfcpp::EV_CURRENT); | |
346 | ||
ead1e424 | 347 | // FIXME: Need to support -e, and target specific entry symbol. |
61ba1cf9 ILT |
348 | Symbol* sym = this->symtab_->lookup("_start"); |
349 | typename Sized_symbol<size>::Value_type v; | |
350 | if (sym == NULL) | |
351 | v = 0; | |
352 | else | |
353 | { | |
354 | Sized_symbol<size>* ssym; | |
593f47df | 355 | ssym = this->symtab_->get_sized_symbol SELECT_SIZE_NAME(size) ( |
5482377d | 356 | sym SELECT_SIZE(size)); |
61ba1cf9 ILT |
357 | v = ssym->value(); |
358 | } | |
359 | oehdr.put_e_entry(v); | |
360 | ||
361 | oehdr.put_e_phoff(this->segment_header_->offset()); | |
362 | oehdr.put_e_shoff(this->section_header_->offset()); | |
363 | ||
364 | // FIXME: The target needs to set the flags. | |
365 | oehdr.put_e_flags(0); | |
366 | ||
367 | oehdr.put_e_ehsize(elfcpp::Elf_sizes<size>::ehdr_size); | |
368 | oehdr.put_e_phentsize(elfcpp::Elf_sizes<size>::phdr_size); | |
369 | oehdr.put_e_phnum(this->segment_header_->data_size() | |
370 | / elfcpp::Elf_sizes<size>::phdr_size); | |
371 | oehdr.put_e_shentsize(elfcpp::Elf_sizes<size>::shdr_size); | |
372 | oehdr.put_e_shnum(this->section_header_->data_size() | |
373 | / elfcpp::Elf_sizes<size>::shdr_size); | |
ead1e424 | 374 | oehdr.put_e_shstrndx(this->shstrtab_->out_shndx()); |
61ba1cf9 ILT |
375 | |
376 | of->write_output_view(0, ehdr_size, view); | |
54dc6425 ILT |
377 | } |
378 | ||
dbe717ef ILT |
379 | // Output_data_const methods. |
380 | ||
381 | void | |
a3ad94ed | 382 | Output_data_const::do_write(Output_file* of) |
dbe717ef | 383 | { |
a3ad94ed ILT |
384 | of->write(this->offset(), this->data_.data(), this->data_.size()); |
385 | } | |
386 | ||
387 | // Output_data_const_buffer methods. | |
388 | ||
389 | void | |
390 | Output_data_const_buffer::do_write(Output_file* of) | |
391 | { | |
392 | of->write(this->offset(), this->p_, this->data_size()); | |
dbe717ef ILT |
393 | } |
394 | ||
395 | // Output_section_data methods. | |
396 | ||
16649710 ILT |
397 | // Record the output section, and set the entry size and such. |
398 | ||
399 | void | |
400 | Output_section_data::set_output_section(Output_section* os) | |
401 | { | |
402 | gold_assert(this->output_section_ == NULL); | |
403 | this->output_section_ = os; | |
404 | this->do_adjust_output_section(os); | |
405 | } | |
406 | ||
407 | // Return the section index of the output section. | |
408 | ||
dbe717ef ILT |
409 | unsigned int |
410 | Output_section_data::do_out_shndx() const | |
411 | { | |
a3ad94ed | 412 | gold_assert(this->output_section_ != NULL); |
dbe717ef ILT |
413 | return this->output_section_->out_shndx(); |
414 | } | |
415 | ||
a3ad94ed ILT |
416 | // Output_data_strtab methods. |
417 | ||
418 | // Set the address. We don't actually care about the address, but we | |
419 | // do set our final size. | |
420 | ||
421 | void | |
422 | Output_data_strtab::do_set_address(uint64_t, off_t) | |
423 | { | |
424 | this->strtab_->set_string_offsets(); | |
425 | this->set_data_size(this->strtab_->get_strtab_size()); | |
426 | } | |
427 | ||
428 | // Write out a string table. | |
429 | ||
430 | void | |
431 | Output_data_strtab::do_write(Output_file* of) | |
432 | { | |
433 | this->strtab_->write(of, this->offset()); | |
434 | } | |
435 | ||
c06b7b0b ILT |
436 | // Output_reloc methods. |
437 | ||
438 | // Get the symbol index of a relocation. | |
439 | ||
440 | template<bool dynamic, int size, bool big_endian> | |
441 | unsigned int | |
442 | Output_reloc<elfcpp::SHT_REL, dynamic, size, big_endian>::get_symbol_index() | |
443 | const | |
444 | { | |
445 | unsigned int index; | |
446 | switch (this->local_sym_index_) | |
447 | { | |
448 | case INVALID_CODE: | |
a3ad94ed | 449 | gold_unreachable(); |
c06b7b0b ILT |
450 | |
451 | case GSYM_CODE: | |
5a6f7e2d | 452 | if (this->u1_.gsym == NULL) |
c06b7b0b ILT |
453 | index = 0; |
454 | else if (dynamic) | |
5a6f7e2d | 455 | index = this->u1_.gsym->dynsym_index(); |
c06b7b0b | 456 | else |
5a6f7e2d | 457 | index = this->u1_.gsym->symtab_index(); |
c06b7b0b ILT |
458 | break; |
459 | ||
460 | case SECTION_CODE: | |
461 | if (dynamic) | |
5a6f7e2d | 462 | index = this->u1_.os->dynsym_index(); |
c06b7b0b | 463 | else |
5a6f7e2d | 464 | index = this->u1_.os->symtab_index(); |
c06b7b0b ILT |
465 | break; |
466 | ||
467 | default: | |
468 | if (dynamic) | |
469 | { | |
470 | // FIXME: It seems that some targets may need to generate | |
471 | // dynamic relocations against local symbols for some | |
472 | // reasons. This will have to be addressed at some point. | |
a3ad94ed | 473 | gold_unreachable(); |
c06b7b0b ILT |
474 | } |
475 | else | |
5a6f7e2d | 476 | index = this->u1_.relobj->symtab_index(this->local_sym_index_); |
c06b7b0b ILT |
477 | break; |
478 | } | |
a3ad94ed | 479 | gold_assert(index != -1U); |
c06b7b0b ILT |
480 | return index; |
481 | } | |
482 | ||
483 | // Write out the offset and info fields of a Rel or Rela relocation | |
484 | // entry. | |
485 | ||
486 | template<bool dynamic, int size, bool big_endian> | |
487 | template<typename Write_rel> | |
488 | void | |
489 | Output_reloc<elfcpp::SHT_REL, dynamic, size, big_endian>::write_rel( | |
490 | Write_rel* wr) const | |
491 | { | |
a3ad94ed | 492 | Address address = this->address_; |
5a6f7e2d ILT |
493 | if (this->shndx_ != INVALID_CODE) |
494 | { | |
495 | off_t off; | |
496 | Output_section* os = this->u2_.relobj->output_section(this->shndx_, | |
497 | &off); | |
498 | gold_assert(os != NULL); | |
499 | address += os->address() + off; | |
500 | } | |
501 | else if (this->u2_.od != NULL) | |
502 | address += this->u2_.od->address(); | |
a3ad94ed | 503 | wr->put_r_offset(address); |
c06b7b0b ILT |
504 | wr->put_r_info(elfcpp::elf_r_info<size>(this->get_symbol_index(), |
505 | this->type_)); | |
506 | } | |
507 | ||
508 | // Write out a Rel relocation. | |
509 | ||
510 | template<bool dynamic, int size, bool big_endian> | |
511 | void | |
512 | Output_reloc<elfcpp::SHT_REL, dynamic, size, big_endian>::write( | |
513 | unsigned char* pov) const | |
514 | { | |
515 | elfcpp::Rel_write<size, big_endian> orel(pov); | |
516 | this->write_rel(&orel); | |
517 | } | |
518 | ||
519 | // Write out a Rela relocation. | |
520 | ||
521 | template<bool dynamic, int size, bool big_endian> | |
522 | void | |
523 | Output_reloc<elfcpp::SHT_RELA, dynamic, size, big_endian>::write( | |
524 | unsigned char* pov) const | |
525 | { | |
526 | elfcpp::Rela_write<size, big_endian> orel(pov); | |
527 | this->rel_.write_rel(&orel); | |
528 | orel.put_r_addend(this->addend_); | |
529 | } | |
530 | ||
531 | // Output_data_reloc_base methods. | |
532 | ||
16649710 ILT |
533 | // Adjust the output section. |
534 | ||
535 | template<int sh_type, bool dynamic, int size, bool big_endian> | |
536 | void | |
537 | Output_data_reloc_base<sh_type, dynamic, size, big_endian> | |
538 | ::do_adjust_output_section(Output_section* os) | |
539 | { | |
540 | if (sh_type == elfcpp::SHT_REL) | |
541 | os->set_entsize(elfcpp::Elf_sizes<size>::rel_size); | |
542 | else if (sh_type == elfcpp::SHT_RELA) | |
543 | os->set_entsize(elfcpp::Elf_sizes<size>::rela_size); | |
544 | else | |
545 | gold_unreachable(); | |
546 | if (dynamic) | |
547 | os->set_should_link_to_dynsym(); | |
548 | else | |
549 | os->set_should_link_to_symtab(); | |
550 | } | |
551 | ||
c06b7b0b ILT |
552 | // Write out relocation data. |
553 | ||
554 | template<int sh_type, bool dynamic, int size, bool big_endian> | |
555 | void | |
556 | Output_data_reloc_base<sh_type, dynamic, size, big_endian>::do_write( | |
557 | Output_file* of) | |
558 | { | |
559 | const off_t off = this->offset(); | |
560 | const off_t oview_size = this->data_size(); | |
561 | unsigned char* const oview = of->get_output_view(off, oview_size); | |
562 | ||
563 | unsigned char* pov = oview; | |
564 | for (typename Relocs::const_iterator p = this->relocs_.begin(); | |
565 | p != this->relocs_.end(); | |
566 | ++p) | |
567 | { | |
568 | p->write(pov); | |
569 | pov += reloc_size; | |
570 | } | |
571 | ||
a3ad94ed | 572 | gold_assert(pov - oview == oview_size); |
c06b7b0b ILT |
573 | |
574 | of->write_output_view(off, oview_size, oview); | |
575 | ||
576 | // We no longer need the relocation entries. | |
577 | this->relocs_.clear(); | |
578 | } | |
579 | ||
dbe717ef | 580 | // Output_data_got::Got_entry methods. |
ead1e424 ILT |
581 | |
582 | // Write out the entry. | |
583 | ||
584 | template<int size, bool big_endian> | |
585 | void | |
7e1edb90 | 586 | Output_data_got<size, big_endian>::Got_entry::write(unsigned char* pov) const |
ead1e424 ILT |
587 | { |
588 | Valtype val = 0; | |
589 | ||
590 | switch (this->local_sym_index_) | |
591 | { | |
592 | case GSYM_CODE: | |
593 | { | |
594 | Symbol* gsym = this->u_.gsym; | |
595 | ||
596 | // If the symbol is resolved locally, we need to write out its | |
597 | // value. Otherwise we just write zero. The target code is | |
598 | // responsible for creating a relocation entry to fill in the | |
599 | // value at runtime. | |
7e1edb90 | 600 | if (gsym->final_value_is_known()) |
ead1e424 ILT |
601 | { |
602 | Sized_symbol<size>* sgsym; | |
603 | // This cast is a bit ugly. We don't want to put a | |
604 | // virtual method in Symbol, because we want Symbol to be | |
605 | // as small as possible. | |
606 | sgsym = static_cast<Sized_symbol<size>*>(gsym); | |
607 | val = sgsym->value(); | |
608 | } | |
609 | } | |
610 | break; | |
611 | ||
612 | case CONSTANT_CODE: | |
613 | val = this->u_.constant; | |
614 | break; | |
615 | ||
616 | default: | |
a3ad94ed | 617 | gold_unreachable(); |
ead1e424 ILT |
618 | } |
619 | ||
a3ad94ed | 620 | elfcpp::Swap<size, big_endian>::writeval(pov, val); |
ead1e424 ILT |
621 | } |
622 | ||
dbe717ef | 623 | // Output_data_got methods. |
ead1e424 | 624 | |
dbe717ef ILT |
625 | // Add an entry for a global symbol to the GOT. This returns true if |
626 | // this is a new GOT entry, false if the symbol already had a GOT | |
627 | // entry. | |
628 | ||
629 | template<int size, bool big_endian> | |
630 | bool | |
631 | Output_data_got<size, big_endian>::add_global(Symbol* gsym) | |
ead1e424 | 632 | { |
dbe717ef ILT |
633 | if (gsym->has_got_offset()) |
634 | return false; | |
ead1e424 | 635 | |
dbe717ef ILT |
636 | this->entries_.push_back(Got_entry(gsym)); |
637 | this->set_got_size(); | |
638 | gsym->set_got_offset(this->last_got_offset()); | |
639 | return true; | |
640 | } | |
ead1e424 ILT |
641 | |
642 | // Write out the GOT. | |
643 | ||
644 | template<int size, bool big_endian> | |
645 | void | |
dbe717ef | 646 | Output_data_got<size, big_endian>::do_write(Output_file* of) |
ead1e424 ILT |
647 | { |
648 | const int add = size / 8; | |
649 | ||
650 | const off_t off = this->offset(); | |
c06b7b0b | 651 | const off_t oview_size = this->data_size(); |
ead1e424 ILT |
652 | unsigned char* const oview = of->get_output_view(off, oview_size); |
653 | ||
654 | unsigned char* pov = oview; | |
655 | for (typename Got_entries::const_iterator p = this->entries_.begin(); | |
656 | p != this->entries_.end(); | |
657 | ++p) | |
658 | { | |
7e1edb90 | 659 | p->write(pov); |
ead1e424 ILT |
660 | pov += add; |
661 | } | |
662 | ||
a3ad94ed | 663 | gold_assert(pov - oview == oview_size); |
c06b7b0b | 664 | |
ead1e424 ILT |
665 | of->write_output_view(off, oview_size, oview); |
666 | ||
667 | // We no longer need the GOT entries. | |
668 | this->entries_.clear(); | |
669 | } | |
670 | ||
a3ad94ed ILT |
671 | // Output_data_dynamic::Dynamic_entry methods. |
672 | ||
673 | // Write out the entry. | |
674 | ||
675 | template<int size, bool big_endian> | |
676 | void | |
677 | Output_data_dynamic::Dynamic_entry::write( | |
678 | unsigned char* pov, | |
1ddbd1e6 ILT |
679 | const Stringpool* pool |
680 | ACCEPT_SIZE_ENDIAN) const | |
a3ad94ed ILT |
681 | { |
682 | typename elfcpp::Elf_types<size>::Elf_WXword val; | |
683 | switch (this->classification_) | |
684 | { | |
685 | case DYNAMIC_NUMBER: | |
686 | val = this->u_.val; | |
687 | break; | |
688 | ||
689 | case DYNAMIC_SECTION_ADDRESS: | |
16649710 | 690 | val = this->u_.od->address(); |
a3ad94ed ILT |
691 | break; |
692 | ||
693 | case DYNAMIC_SECTION_SIZE: | |
16649710 | 694 | val = this->u_.od->data_size(); |
a3ad94ed ILT |
695 | break; |
696 | ||
697 | case DYNAMIC_SYMBOL: | |
698 | { | |
16649710 ILT |
699 | const Sized_symbol<size>* s = |
700 | static_cast<const Sized_symbol<size>*>(this->u_.sym); | |
a3ad94ed ILT |
701 | val = s->value(); |
702 | } | |
703 | break; | |
704 | ||
705 | case DYNAMIC_STRING: | |
706 | val = pool->get_offset(this->u_.str); | |
707 | break; | |
708 | ||
709 | default: | |
710 | gold_unreachable(); | |
711 | } | |
712 | ||
713 | elfcpp::Dyn_write<size, big_endian> dw(pov); | |
714 | dw.put_d_tag(this->tag_); | |
715 | dw.put_d_val(val); | |
716 | } | |
717 | ||
718 | // Output_data_dynamic methods. | |
719 | ||
16649710 ILT |
720 | // Adjust the output section to set the entry size. |
721 | ||
722 | void | |
723 | Output_data_dynamic::do_adjust_output_section(Output_section* os) | |
724 | { | |
725 | if (this->target_->get_size() == 32) | |
726 | os->set_entsize(elfcpp::Elf_sizes<32>::dyn_size); | |
727 | else if (this->target_->get_size() == 64) | |
728 | os->set_entsize(elfcpp::Elf_sizes<64>::dyn_size); | |
729 | else | |
730 | gold_unreachable(); | |
731 | } | |
732 | ||
a3ad94ed ILT |
733 | // Set the final data size. |
734 | ||
735 | void | |
736 | Output_data_dynamic::do_set_address(uint64_t, off_t) | |
737 | { | |
738 | // Add the terminating entry. | |
739 | this->add_constant(elfcpp::DT_NULL, 0); | |
740 | ||
741 | int dyn_size; | |
742 | if (this->target_->get_size() == 32) | |
743 | dyn_size = elfcpp::Elf_sizes<32>::dyn_size; | |
744 | else if (this->target_->get_size() == 64) | |
745 | dyn_size = elfcpp::Elf_sizes<64>::dyn_size; | |
746 | else | |
747 | gold_unreachable(); | |
748 | this->set_data_size(this->entries_.size() * dyn_size); | |
749 | } | |
750 | ||
751 | // Write out the dynamic entries. | |
752 | ||
753 | void | |
754 | Output_data_dynamic::do_write(Output_file* of) | |
755 | { | |
756 | if (this->target_->get_size() == 32) | |
757 | { | |
758 | if (this->target_->is_big_endian()) | |
759 | this->sized_write<32, true>(of); | |
760 | else | |
761 | this->sized_write<32, false>(of); | |
762 | } | |
763 | else if (this->target_->get_size() == 64) | |
764 | { | |
765 | if (this->target_->is_big_endian()) | |
766 | this->sized_write<64, true>(of); | |
767 | else | |
768 | this->sized_write<64, false>(of); | |
769 | } | |
770 | else | |
771 | gold_unreachable(); | |
772 | } | |
773 | ||
774 | template<int size, bool big_endian> | |
775 | void | |
776 | Output_data_dynamic::sized_write(Output_file* of) | |
777 | { | |
778 | const int dyn_size = elfcpp::Elf_sizes<size>::dyn_size; | |
779 | ||
780 | const off_t offset = this->offset(); | |
781 | const off_t oview_size = this->data_size(); | |
782 | unsigned char* const oview = of->get_output_view(offset, oview_size); | |
783 | ||
784 | unsigned char* pov = oview; | |
785 | for (typename Dynamic_entries::const_iterator p = this->entries_.begin(); | |
786 | p != this->entries_.end(); | |
787 | ++p) | |
788 | { | |
1ddbd1e6 ILT |
789 | p->write SELECT_SIZE_ENDIAN_NAME(size, big_endian)( |
790 | pov, this->pool_ SELECT_SIZE_ENDIAN(size, big_endian)); | |
a3ad94ed ILT |
791 | pov += dyn_size; |
792 | } | |
793 | ||
794 | gold_assert(pov - oview == oview_size); | |
795 | ||
796 | of->write_output_view(offset, oview_size, oview); | |
797 | ||
798 | // We no longer need the dynamic entries. | |
799 | this->entries_.clear(); | |
800 | } | |
801 | ||
ead1e424 ILT |
802 | // Output_section::Input_section methods. |
803 | ||
804 | // Return the data size. For an input section we store the size here. | |
805 | // For an Output_section_data, we have to ask it for the size. | |
806 | ||
807 | off_t | |
808 | Output_section::Input_section::data_size() const | |
809 | { | |
810 | if (this->is_input_section()) | |
b8e6aad9 | 811 | return this->u1_.data_size; |
ead1e424 | 812 | else |
b8e6aad9 | 813 | return this->u2_.posd->data_size(); |
ead1e424 ILT |
814 | } |
815 | ||
816 | // Set the address and file offset. | |
817 | ||
818 | void | |
819 | Output_section::Input_section::set_address(uint64_t addr, off_t off, | |
820 | off_t secoff) | |
821 | { | |
822 | if (this->is_input_section()) | |
b8e6aad9 | 823 | this->u2_.object->set_section_offset(this->shndx_, off - secoff); |
ead1e424 | 824 | else |
b8e6aad9 ILT |
825 | this->u2_.posd->set_address(addr, off); |
826 | } | |
827 | ||
828 | // Try to turn an input address into an output address. | |
829 | ||
830 | bool | |
831 | Output_section::Input_section::output_address(const Relobj* object, | |
832 | unsigned int shndx, | |
833 | off_t offset, | |
834 | uint64_t output_section_address, | |
835 | uint64_t *poutput) const | |
836 | { | |
837 | if (!this->is_input_section()) | |
838 | return this->u2_.posd->output_address(object, shndx, offset, | |
839 | output_section_address, poutput); | |
840 | else | |
841 | { | |
9d7094e8 ILT |
842 | if (this->shndx_ != shndx |
843 | || this->u2_.object != object) | |
b8e6aad9 ILT |
844 | return false; |
845 | off_t output_offset; | |
846 | Output_section* os = object->output_section(shndx, &output_offset); | |
847 | gold_assert(os != NULL); | |
848 | *poutput = output_section_address + output_offset + offset; | |
849 | return true; | |
850 | } | |
ead1e424 ILT |
851 | } |
852 | ||
853 | // Write out the data. We don't have to do anything for an input | |
854 | // section--they are handled via Object::relocate--but this is where | |
855 | // we write out the data for an Output_section_data. | |
856 | ||
857 | void | |
858 | Output_section::Input_section::write(Output_file* of) | |
859 | { | |
860 | if (!this->is_input_section()) | |
b8e6aad9 | 861 | this->u2_.posd->write(of); |
ead1e424 ILT |
862 | } |
863 | ||
a2fb1b05 ILT |
864 | // Output_section methods. |
865 | ||
866 | // Construct an Output_section. NAME will point into a Stringpool. | |
867 | ||
868 | Output_section::Output_section(const char* name, elfcpp::Elf_Word type, | |
b8e6aad9 | 869 | elfcpp::Elf_Xword flags) |
a2fb1b05 | 870 | : name_(name), |
a2fb1b05 ILT |
871 | addralign_(0), |
872 | entsize_(0), | |
16649710 | 873 | link_section_(NULL), |
a2fb1b05 | 874 | link_(0), |
16649710 | 875 | info_section_(NULL), |
a2fb1b05 ILT |
876 | info_(0), |
877 | type_(type), | |
61ba1cf9 | 878 | flags_(flags), |
ead1e424 | 879 | out_shndx_(0), |
c06b7b0b ILT |
880 | symtab_index_(0), |
881 | dynsym_index_(0), | |
ead1e424 ILT |
882 | input_sections_(), |
883 | first_input_offset_(0), | |
c51e6221 | 884 | fills_(), |
a3ad94ed | 885 | needs_symtab_index_(false), |
16649710 ILT |
886 | needs_dynsym_index_(false), |
887 | should_link_to_symtab_(false), | |
888 | should_link_to_dynsym_(false) | |
a2fb1b05 ILT |
889 | { |
890 | } | |
891 | ||
54dc6425 ILT |
892 | Output_section::~Output_section() |
893 | { | |
894 | } | |
895 | ||
16649710 ILT |
896 | // Set the entry size. |
897 | ||
898 | void | |
899 | Output_section::set_entsize(uint64_t v) | |
900 | { | |
901 | if (this->entsize_ == 0) | |
902 | this->entsize_ = v; | |
903 | else | |
904 | gold_assert(this->entsize_ == v); | |
905 | } | |
906 | ||
ead1e424 ILT |
907 | // Add the input section SHNDX, with header SHDR, named SECNAME, in |
908 | // OBJECT, to the Output_section. Return the offset of the input | |
909 | // section within the output section. We don't always keep track of | |
a2fb1b05 ILT |
910 | // input sections for an Output_section. Instead, each Object keeps |
911 | // track of the Output_section for each of its input sections. | |
912 | ||
913 | template<int size, bool big_endian> | |
914 | off_t | |
f6ce93d6 | 915 | Output_section::add_input_section(Relobj* object, unsigned int shndx, |
ead1e424 | 916 | const char* secname, |
a2fb1b05 ILT |
917 | const elfcpp::Shdr<size, big_endian>& shdr) |
918 | { | |
919 | elfcpp::Elf_Xword addralign = shdr.get_sh_addralign(); | |
920 | if ((addralign & (addralign - 1)) != 0) | |
921 | { | |
922 | fprintf(stderr, _("%s: %s: invalid alignment %lu for section \"%s\"\n"), | |
923 | program_name, object->name().c_str(), | |
924 | static_cast<unsigned long>(addralign), secname); | |
925 | gold_exit(false); | |
926 | } | |
a2fb1b05 ILT |
927 | |
928 | if (addralign > this->addralign_) | |
929 | this->addralign_ = addralign; | |
930 | ||
b8e6aad9 ILT |
931 | // If this is a SHF_MERGE section, we pass all the input sections to |
932 | // a Output_data_merge. | |
933 | if ((shdr.get_sh_flags() & elfcpp::SHF_MERGE) != 0) | |
934 | { | |
935 | if (this->add_merge_input_section(object, shndx, shdr.get_sh_flags(), | |
936 | shdr.get_sh_entsize(), | |
937 | addralign)) | |
938 | { | |
939 | // Tell the relocation routines that they need to call the | |
940 | // output_address method to determine the final address. | |
941 | return -1; | |
942 | } | |
943 | } | |
944 | ||
c51e6221 ILT |
945 | off_t offset_in_section = this->data_size(); |
946 | off_t aligned_offset_in_section = align_address(offset_in_section, | |
947 | addralign); | |
948 | ||
949 | if (aligned_offset_in_section > offset_in_section | |
950 | && (shdr.get_sh_flags() & elfcpp::SHF_EXECINSTR) != 0 | |
951 | && object->target()->has_code_fill()) | |
952 | { | |
953 | // We need to add some fill data. Using fill_list_ when | |
954 | // possible is an optimization, since we will often have fill | |
955 | // sections without input sections. | |
956 | off_t fill_len = aligned_offset_in_section - offset_in_section; | |
957 | if (this->input_sections_.empty()) | |
958 | this->fills_.push_back(Fill(offset_in_section, fill_len)); | |
959 | else | |
960 | { | |
961 | // FIXME: When relaxing, the size needs to adjust to | |
962 | // maintain a constant alignment. | |
963 | std::string fill_data(object->target()->code_fill(fill_len)); | |
964 | Output_data_const* odc = new Output_data_const(fill_data, 1); | |
965 | this->input_sections_.push_back(Input_section(odc)); | |
966 | } | |
967 | } | |
968 | ||
969 | this->set_data_size(aligned_offset_in_section + shdr.get_sh_size()); | |
a2fb1b05 | 970 | |
ead1e424 ILT |
971 | // We need to keep track of this section if we are already keeping |
972 | // track of sections, or if we are relaxing. FIXME: Add test for | |
973 | // relaxing. | |
c51e6221 | 974 | if (!this->input_sections_.empty()) |
ead1e424 ILT |
975 | this->input_sections_.push_back(Input_section(object, shndx, |
976 | shdr.get_sh_size(), | |
977 | addralign)); | |
54dc6425 | 978 | |
c51e6221 | 979 | return aligned_offset_in_section; |
61ba1cf9 ILT |
980 | } |
981 | ||
ead1e424 ILT |
982 | // Add arbitrary data to an output section. |
983 | ||
984 | void | |
985 | Output_section::add_output_section_data(Output_section_data* posd) | |
986 | { | |
b8e6aad9 ILT |
987 | Input_section inp(posd); |
988 | this->add_output_section_data(&inp); | |
989 | } | |
990 | ||
991 | // Add arbitrary data to an output section by Input_section. | |
c06b7b0b | 992 | |
b8e6aad9 ILT |
993 | void |
994 | Output_section::add_output_section_data(Input_section* inp) | |
995 | { | |
ead1e424 ILT |
996 | if (this->input_sections_.empty()) |
997 | this->first_input_offset_ = this->data_size(); | |
c06b7b0b | 998 | |
b8e6aad9 | 999 | this->input_sections_.push_back(*inp); |
c06b7b0b | 1000 | |
b8e6aad9 | 1001 | uint64_t addralign = inp->addralign(); |
ead1e424 ILT |
1002 | if (addralign > this->addralign_) |
1003 | this->addralign_ = addralign; | |
c06b7b0b | 1004 | |
b8e6aad9 ILT |
1005 | inp->set_output_section(this); |
1006 | } | |
1007 | ||
1008 | // Add a merge section to an output section. | |
1009 | ||
1010 | void | |
1011 | Output_section::add_output_merge_section(Output_section_data* posd, | |
1012 | bool is_string, uint64_t entsize) | |
1013 | { | |
1014 | Input_section inp(posd, is_string, entsize); | |
1015 | this->add_output_section_data(&inp); | |
1016 | } | |
1017 | ||
1018 | // Add an input section to a SHF_MERGE section. | |
1019 | ||
1020 | bool | |
1021 | Output_section::add_merge_input_section(Relobj* object, unsigned int shndx, | |
1022 | uint64_t flags, uint64_t entsize, | |
1023 | uint64_t addralign) | |
1024 | { | |
1025 | // We only merge constants if the alignment is not more than the | |
1026 | // entry size. This could be handled, but it's unusual. | |
1027 | if (addralign > entsize) | |
1028 | return false; | |
1029 | ||
1030 | bool is_string = (flags & elfcpp::SHF_STRINGS) != 0; | |
1031 | Input_section_list::iterator p; | |
1032 | for (p = this->input_sections_.begin(); | |
1033 | p != this->input_sections_.end(); | |
1034 | ++p) | |
1035 | if (p->is_merge_section(is_string, entsize)) | |
1036 | break; | |
1037 | ||
1038 | // We handle the actual constant merging in Output_merge_data or | |
1039 | // Output_merge_string_data. | |
1040 | if (p != this->input_sections_.end()) | |
1041 | p->add_input_section(object, shndx); | |
1042 | else | |
1043 | { | |
1044 | Output_section_data* posd; | |
1045 | if (!is_string) | |
1046 | posd = new Output_merge_data(entsize); | |
1047 | else if (entsize == 1) | |
1048 | posd = new Output_merge_string<char>(); | |
1049 | else if (entsize == 2) | |
1050 | posd = new Output_merge_string<uint16_t>(); | |
1051 | else if (entsize == 4) | |
1052 | posd = new Output_merge_string<uint32_t>(); | |
1053 | else | |
1054 | return false; | |
1055 | ||
1056 | this->add_output_merge_section(posd, is_string, entsize); | |
1057 | posd->add_input_section(object, shndx); | |
1058 | } | |
1059 | ||
1060 | return true; | |
1061 | } | |
1062 | ||
1063 | // Return the output virtual address of OFFSET relative to the start | |
1064 | // of input section SHNDX in object OBJECT. | |
1065 | ||
1066 | uint64_t | |
1067 | Output_section::output_address(const Relobj* object, unsigned int shndx, | |
1068 | off_t offset) const | |
1069 | { | |
1070 | uint64_t addr = this->address() + this->first_input_offset_; | |
1071 | for (Input_section_list::const_iterator p = this->input_sections_.begin(); | |
1072 | p != this->input_sections_.end(); | |
1073 | ++p) | |
1074 | { | |
1075 | addr = align_address(addr, p->addralign()); | |
1076 | uint64_t output; | |
1077 | if (p->output_address(object, shndx, offset, addr, &output)) | |
1078 | return output; | |
1079 | addr += p->data_size(); | |
1080 | } | |
1081 | ||
1082 | // If we get here, it means that we don't know the mapping for this | |
1083 | // input section. This might happen in principle if | |
1084 | // add_input_section were called before add_output_section_data. | |
1085 | // But it should never actually happen. | |
1086 | ||
1087 | gold_unreachable(); | |
ead1e424 ILT |
1088 | } |
1089 | ||
1090 | // Set the address of an Output_section. This is where we handle | |
1091 | // setting the addresses of any Output_section_data objects. | |
1092 | ||
1093 | void | |
1094 | Output_section::do_set_address(uint64_t address, off_t startoff) | |
1095 | { | |
1096 | if (this->input_sections_.empty()) | |
1097 | return; | |
1098 | ||
1099 | off_t off = startoff + this->first_input_offset_; | |
1100 | for (Input_section_list::iterator p = this->input_sections_.begin(); | |
1101 | p != this->input_sections_.end(); | |
1102 | ++p) | |
1103 | { | |
1104 | off = align_address(off, p->addralign()); | |
1105 | p->set_address(address + (off - startoff), off, startoff); | |
1106 | off += p->data_size(); | |
1107 | } | |
1108 | ||
1109 | this->set_data_size(off - startoff); | |
1110 | } | |
1111 | ||
61ba1cf9 ILT |
1112 | // Write the section header to *OSHDR. |
1113 | ||
1114 | template<int size, bool big_endian> | |
1115 | void | |
16649710 ILT |
1116 | Output_section::write_header(const Layout* layout, |
1117 | const Stringpool* secnamepool, | |
61ba1cf9 ILT |
1118 | elfcpp::Shdr_write<size, big_endian>* oshdr) const |
1119 | { | |
1120 | oshdr->put_sh_name(secnamepool->get_offset(this->name_)); | |
1121 | oshdr->put_sh_type(this->type_); | |
1122 | oshdr->put_sh_flags(this->flags_); | |
1123 | oshdr->put_sh_addr(this->address()); | |
1124 | oshdr->put_sh_offset(this->offset()); | |
1125 | oshdr->put_sh_size(this->data_size()); | |
16649710 ILT |
1126 | if (this->link_section_ != NULL) |
1127 | oshdr->put_sh_link(this->link_section_->out_shndx()); | |
1128 | else if (this->should_link_to_symtab_) | |
1129 | oshdr->put_sh_link(layout->symtab_section()->out_shndx()); | |
1130 | else if (this->should_link_to_dynsym_) | |
1131 | oshdr->put_sh_link(layout->dynsym_section()->out_shndx()); | |
1132 | else | |
1133 | oshdr->put_sh_link(this->link_); | |
1134 | if (this->info_section_ != NULL) | |
1135 | oshdr->put_sh_info(this->info_section_->out_shndx()); | |
1136 | else | |
1137 | oshdr->put_sh_info(this->info_); | |
61ba1cf9 ILT |
1138 | oshdr->put_sh_addralign(this->addralign_); |
1139 | oshdr->put_sh_entsize(this->entsize_); | |
a2fb1b05 ILT |
1140 | } |
1141 | ||
ead1e424 ILT |
1142 | // Write out the data. For input sections the data is written out by |
1143 | // Object::relocate, but we have to handle Output_section_data objects | |
1144 | // here. | |
1145 | ||
1146 | void | |
1147 | Output_section::do_write(Output_file* of) | |
1148 | { | |
c51e6221 ILT |
1149 | off_t output_section_file_offset = this->offset(); |
1150 | for (Fill_list::iterator p = this->fills_.begin(); | |
1151 | p != this->fills_.end(); | |
1152 | ++p) | |
1153 | { | |
1154 | std::string fill_data(of->target()->code_fill(p->length())); | |
1155 | of->write(output_section_file_offset + p->section_offset(), | |
1156 | fill_data.data(), fill_data.size()); | |
1157 | } | |
1158 | ||
ead1e424 ILT |
1159 | for (Input_section_list::iterator p = this->input_sections_.begin(); |
1160 | p != this->input_sections_.end(); | |
1161 | ++p) | |
1162 | p->write(of); | |
1163 | } | |
1164 | ||
a2fb1b05 ILT |
1165 | // Output segment methods. |
1166 | ||
1167 | Output_segment::Output_segment(elfcpp::Elf_Word type, elfcpp::Elf_Word flags) | |
54dc6425 | 1168 | : output_data_(), |
75f65a3e | 1169 | output_bss_(), |
a2fb1b05 ILT |
1170 | vaddr_(0), |
1171 | paddr_(0), | |
1172 | memsz_(0), | |
1173 | align_(0), | |
1174 | offset_(0), | |
1175 | filesz_(0), | |
1176 | type_(type), | |
ead1e424 ILT |
1177 | flags_(flags), |
1178 | is_align_known_(false) | |
a2fb1b05 ILT |
1179 | { |
1180 | } | |
1181 | ||
1182 | // Add an Output_section to an Output_segment. | |
1183 | ||
1184 | void | |
75f65a3e | 1185 | Output_segment::add_output_section(Output_section* os, |
dbe717ef ILT |
1186 | elfcpp::Elf_Word seg_flags, |
1187 | bool front) | |
a2fb1b05 | 1188 | { |
a3ad94ed ILT |
1189 | gold_assert((os->flags() & elfcpp::SHF_ALLOC) != 0); |
1190 | gold_assert(!this->is_align_known_); | |
75f65a3e | 1191 | |
ead1e424 | 1192 | // Update the segment flags. |
75f65a3e | 1193 | this->flags_ |= seg_flags; |
75f65a3e ILT |
1194 | |
1195 | Output_segment::Output_data_list* pdl; | |
1196 | if (os->type() == elfcpp::SHT_NOBITS) | |
1197 | pdl = &this->output_bss_; | |
1198 | else | |
1199 | pdl = &this->output_data_; | |
54dc6425 | 1200 | |
a2fb1b05 ILT |
1201 | // So that PT_NOTE segments will work correctly, we need to ensure |
1202 | // that all SHT_NOTE sections are adjacent. This will normally | |
1203 | // happen automatically, because all the SHT_NOTE input sections | |
1204 | // will wind up in the same output section. However, it is possible | |
1205 | // for multiple SHT_NOTE input sections to have different section | |
1206 | // flags, and thus be in different output sections, but for the | |
1207 | // different section flags to map into the same segment flags and | |
1208 | // thus the same output segment. | |
54dc6425 ILT |
1209 | |
1210 | // Note that while there may be many input sections in an output | |
1211 | // section, there are normally only a few output sections in an | |
1212 | // output segment. This loop is expected to be fast. | |
1213 | ||
61ba1cf9 | 1214 | if (os->type() == elfcpp::SHT_NOTE && !pdl->empty()) |
a2fb1b05 | 1215 | { |
a3ad94ed | 1216 | Output_segment::Output_data_list::iterator p = pdl->end(); |
75f65a3e | 1217 | do |
54dc6425 | 1218 | { |
75f65a3e | 1219 | --p; |
54dc6425 ILT |
1220 | if ((*p)->is_section_type(elfcpp::SHT_NOTE)) |
1221 | { | |
dbe717ef | 1222 | // We don't worry about the FRONT parameter. |
54dc6425 | 1223 | ++p; |
75f65a3e | 1224 | pdl->insert(p, os); |
54dc6425 ILT |
1225 | return; |
1226 | } | |
1227 | } | |
75f65a3e | 1228 | while (p != pdl->begin()); |
54dc6425 ILT |
1229 | } |
1230 | ||
1231 | // Similarly, so that PT_TLS segments will work, we need to group | |
75f65a3e ILT |
1232 | // SHF_TLS sections. An SHF_TLS/SHT_NOBITS section is a special |
1233 | // case: we group the SHF_TLS/SHT_NOBITS sections right after the | |
1234 | // SHF_TLS/SHT_PROGBITS sections. This lets us set up PT_TLS | |
1235 | // correctly. | |
61ba1cf9 | 1236 | if ((os->flags() & elfcpp::SHF_TLS) != 0 && !this->output_data_.empty()) |
54dc6425 | 1237 | { |
75f65a3e ILT |
1238 | pdl = &this->output_data_; |
1239 | bool nobits = os->type() == elfcpp::SHT_NOBITS; | |
ead1e424 | 1240 | bool sawtls = false; |
a3ad94ed | 1241 | Output_segment::Output_data_list::iterator p = pdl->end(); |
75f65a3e | 1242 | do |
a2fb1b05 | 1243 | { |
75f65a3e | 1244 | --p; |
ead1e424 ILT |
1245 | bool insert; |
1246 | if ((*p)->is_section_flag_set(elfcpp::SHF_TLS)) | |
1247 | { | |
1248 | sawtls = true; | |
1249 | // Put a NOBITS section after the first TLS section. | |
1250 | // But a PROGBITS section after the first TLS/PROGBITS | |
1251 | // section. | |
1252 | insert = nobits || !(*p)->is_section_type(elfcpp::SHT_NOBITS); | |
1253 | } | |
1254 | else | |
1255 | { | |
1256 | // If we've gone past the TLS sections, but we've seen a | |
1257 | // TLS section, then we need to insert this section now. | |
1258 | insert = sawtls; | |
1259 | } | |
1260 | ||
1261 | if (insert) | |
a2fb1b05 | 1262 | { |
dbe717ef | 1263 | // We don't worry about the FRONT parameter. |
a2fb1b05 | 1264 | ++p; |
75f65a3e | 1265 | pdl->insert(p, os); |
a2fb1b05 ILT |
1266 | return; |
1267 | } | |
1268 | } | |
75f65a3e | 1269 | while (p != pdl->begin()); |
ead1e424 | 1270 | |
dbe717ef ILT |
1271 | // There are no TLS sections yet; put this one at the requested |
1272 | // location in the section list. | |
a2fb1b05 ILT |
1273 | } |
1274 | ||
dbe717ef ILT |
1275 | if (front) |
1276 | pdl->push_front(os); | |
1277 | else | |
1278 | pdl->push_back(os); | |
75f65a3e ILT |
1279 | } |
1280 | ||
1281 | // Add an Output_data (which is not an Output_section) to the start of | |
1282 | // a segment. | |
1283 | ||
1284 | void | |
1285 | Output_segment::add_initial_output_data(Output_data* od) | |
1286 | { | |
a3ad94ed | 1287 | gold_assert(!this->is_align_known_); |
75f65a3e ILT |
1288 | this->output_data_.push_front(od); |
1289 | } | |
1290 | ||
1291 | // Return the maximum alignment of the Output_data in Output_segment. | |
ead1e424 | 1292 | // Once we compute this, we prohibit new sections from being added. |
75f65a3e ILT |
1293 | |
1294 | uint64_t | |
ead1e424 | 1295 | Output_segment::addralign() |
75f65a3e | 1296 | { |
ead1e424 ILT |
1297 | if (!this->is_align_known_) |
1298 | { | |
1299 | uint64_t addralign; | |
1300 | ||
1301 | addralign = Output_segment::maximum_alignment(&this->output_data_); | |
1302 | if (addralign > this->align_) | |
1303 | this->align_ = addralign; | |
1304 | ||
1305 | addralign = Output_segment::maximum_alignment(&this->output_bss_); | |
1306 | if (addralign > this->align_) | |
1307 | this->align_ = addralign; | |
1308 | ||
1309 | this->is_align_known_ = true; | |
1310 | } | |
1311 | ||
75f65a3e ILT |
1312 | return this->align_; |
1313 | } | |
1314 | ||
ead1e424 ILT |
1315 | // Return the maximum alignment of a list of Output_data. |
1316 | ||
1317 | uint64_t | |
1318 | Output_segment::maximum_alignment(const Output_data_list* pdl) | |
1319 | { | |
1320 | uint64_t ret = 0; | |
1321 | for (Output_data_list::const_iterator p = pdl->begin(); | |
1322 | p != pdl->end(); | |
1323 | ++p) | |
1324 | { | |
1325 | uint64_t addralign = (*p)->addralign(); | |
1326 | if (addralign > ret) | |
1327 | ret = addralign; | |
1328 | } | |
1329 | return ret; | |
1330 | } | |
1331 | ||
75f65a3e | 1332 | // Set the section addresses for an Output_segment. ADDR is the |
ead1e424 ILT |
1333 | // address and *POFF is the file offset. Set the section indexes |
1334 | // starting with *PSHNDX. Return the address of the immediately | |
1335 | // following segment. Update *POFF and *PSHNDX. | |
75f65a3e ILT |
1336 | |
1337 | uint64_t | |
ead1e424 ILT |
1338 | Output_segment::set_section_addresses(uint64_t addr, off_t* poff, |
1339 | unsigned int* pshndx) | |
75f65a3e | 1340 | { |
a3ad94ed | 1341 | gold_assert(this->type_ == elfcpp::PT_LOAD); |
75f65a3e ILT |
1342 | |
1343 | this->vaddr_ = addr; | |
1344 | this->paddr_ = addr; | |
1345 | ||
1346 | off_t orig_off = *poff; | |
1347 | this->offset_ = orig_off; | |
1348 | ||
ead1e424 ILT |
1349 | *poff = align_address(*poff, this->addralign()); |
1350 | ||
1351 | addr = this->set_section_list_addresses(&this->output_data_, addr, poff, | |
1352 | pshndx); | |
75f65a3e ILT |
1353 | this->filesz_ = *poff - orig_off; |
1354 | ||
1355 | off_t off = *poff; | |
1356 | ||
61ba1cf9 | 1357 | uint64_t ret = this->set_section_list_addresses(&this->output_bss_, addr, |
ead1e424 | 1358 | poff, pshndx); |
75f65a3e ILT |
1359 | this->memsz_ = *poff - orig_off; |
1360 | ||
1361 | // Ignore the file offset adjustments made by the BSS Output_data | |
1362 | // objects. | |
1363 | *poff = off; | |
61ba1cf9 ILT |
1364 | |
1365 | return ret; | |
75f65a3e ILT |
1366 | } |
1367 | ||
b8e6aad9 ILT |
1368 | // Set the addresses and file offsets in a list of Output_data |
1369 | // structures. | |
75f65a3e ILT |
1370 | |
1371 | uint64_t | |
1372 | Output_segment::set_section_list_addresses(Output_data_list* pdl, | |
ead1e424 ILT |
1373 | uint64_t addr, off_t* poff, |
1374 | unsigned int* pshndx) | |
75f65a3e | 1375 | { |
ead1e424 | 1376 | off_t startoff = *poff; |
75f65a3e | 1377 | |
ead1e424 | 1378 | off_t off = startoff; |
75f65a3e ILT |
1379 | for (Output_data_list::iterator p = pdl->begin(); |
1380 | p != pdl->end(); | |
1381 | ++p) | |
1382 | { | |
ead1e424 ILT |
1383 | off = align_address(off, (*p)->addralign()); |
1384 | (*p)->set_address(addr + (off - startoff), off); | |
1385 | ||
1386 | // Unless this is a PT_TLS segment, we want to ignore the size | |
1387 | // of a SHF_TLS/SHT_NOBITS section. Such a section does not | |
1388 | // affect the size of a PT_LOAD segment. | |
1389 | if (this->type_ == elfcpp::PT_TLS | |
1390 | || !(*p)->is_section_flag_set(elfcpp::SHF_TLS) | |
1391 | || !(*p)->is_section_type(elfcpp::SHT_NOBITS)) | |
1392 | off += (*p)->data_size(); | |
75f65a3e | 1393 | |
ead1e424 ILT |
1394 | if ((*p)->is_section()) |
1395 | { | |
1396 | (*p)->set_out_shndx(*pshndx); | |
1397 | ++*pshndx; | |
1398 | } | |
75f65a3e ILT |
1399 | } |
1400 | ||
1401 | *poff = off; | |
ead1e424 | 1402 | return addr + (off - startoff); |
75f65a3e ILT |
1403 | } |
1404 | ||
1405 | // For a non-PT_LOAD segment, set the offset from the sections, if | |
1406 | // any. | |
1407 | ||
1408 | void | |
1409 | Output_segment::set_offset() | |
1410 | { | |
a3ad94ed | 1411 | gold_assert(this->type_ != elfcpp::PT_LOAD); |
75f65a3e ILT |
1412 | |
1413 | if (this->output_data_.empty() && this->output_bss_.empty()) | |
1414 | { | |
1415 | this->vaddr_ = 0; | |
1416 | this->paddr_ = 0; | |
1417 | this->memsz_ = 0; | |
1418 | this->align_ = 0; | |
1419 | this->offset_ = 0; | |
1420 | this->filesz_ = 0; | |
1421 | return; | |
1422 | } | |
1423 | ||
1424 | const Output_data* first; | |
1425 | if (this->output_data_.empty()) | |
1426 | first = this->output_bss_.front(); | |
1427 | else | |
1428 | first = this->output_data_.front(); | |
1429 | this->vaddr_ = first->address(); | |
1430 | this->paddr_ = this->vaddr_; | |
1431 | this->offset_ = first->offset(); | |
1432 | ||
1433 | if (this->output_data_.empty()) | |
1434 | this->filesz_ = 0; | |
1435 | else | |
1436 | { | |
1437 | const Output_data* last_data = this->output_data_.back(); | |
1438 | this->filesz_ = (last_data->address() | |
1439 | + last_data->data_size() | |
1440 | - this->vaddr_); | |
1441 | } | |
1442 | ||
1443 | const Output_data* last; | |
1444 | if (this->output_bss_.empty()) | |
1445 | last = this->output_data_.back(); | |
1446 | else | |
1447 | last = this->output_bss_.back(); | |
1448 | this->memsz_ = (last->address() | |
1449 | + last->data_size() | |
1450 | - this->vaddr_); | |
75f65a3e ILT |
1451 | } |
1452 | ||
1453 | // Return the number of Output_sections in an Output_segment. | |
1454 | ||
1455 | unsigned int | |
1456 | Output_segment::output_section_count() const | |
1457 | { | |
1458 | return (this->output_section_count_list(&this->output_data_) | |
1459 | + this->output_section_count_list(&this->output_bss_)); | |
1460 | } | |
1461 | ||
1462 | // Return the number of Output_sections in an Output_data_list. | |
1463 | ||
1464 | unsigned int | |
1465 | Output_segment::output_section_count_list(const Output_data_list* pdl) const | |
1466 | { | |
1467 | unsigned int count = 0; | |
1468 | for (Output_data_list::const_iterator p = pdl->begin(); | |
1469 | p != pdl->end(); | |
1470 | ++p) | |
1471 | { | |
1472 | if ((*p)->is_section()) | |
1473 | ++count; | |
1474 | } | |
1475 | return count; | |
a2fb1b05 ILT |
1476 | } |
1477 | ||
61ba1cf9 ILT |
1478 | // Write the segment data into *OPHDR. |
1479 | ||
1480 | template<int size, bool big_endian> | |
1481 | void | |
ead1e424 | 1482 | Output_segment::write_header(elfcpp::Phdr_write<size, big_endian>* ophdr) |
61ba1cf9 ILT |
1483 | { |
1484 | ophdr->put_p_type(this->type_); | |
1485 | ophdr->put_p_offset(this->offset_); | |
1486 | ophdr->put_p_vaddr(this->vaddr_); | |
1487 | ophdr->put_p_paddr(this->paddr_); | |
1488 | ophdr->put_p_filesz(this->filesz_); | |
1489 | ophdr->put_p_memsz(this->memsz_); | |
1490 | ophdr->put_p_flags(this->flags_); | |
ead1e424 | 1491 | ophdr->put_p_align(this->addralign()); |
61ba1cf9 ILT |
1492 | } |
1493 | ||
1494 | // Write the section headers into V. | |
1495 | ||
1496 | template<int size, bool big_endian> | |
1497 | unsigned char* | |
16649710 ILT |
1498 | Output_segment::write_section_headers(const Layout* layout, |
1499 | const Stringpool* secnamepool, | |
ead1e424 ILT |
1500 | unsigned char* v, |
1501 | unsigned int *pshndx | |
5482377d ILT |
1502 | ACCEPT_SIZE_ENDIAN) const |
1503 | { | |
ead1e424 ILT |
1504 | // Every section that is attached to a segment must be attached to a |
1505 | // PT_LOAD segment, so we only write out section headers for PT_LOAD | |
1506 | // segments. | |
1507 | if (this->type_ != elfcpp::PT_LOAD) | |
1508 | return v; | |
1509 | ||
593f47df ILT |
1510 | v = this->write_section_headers_list |
1511 | SELECT_SIZE_ENDIAN_NAME(size, big_endian) ( | |
16649710 | 1512 | layout, secnamepool, &this->output_data_, v, pshndx |
593f47df ILT |
1513 | SELECT_SIZE_ENDIAN(size, big_endian)); |
1514 | v = this->write_section_headers_list | |
1515 | SELECT_SIZE_ENDIAN_NAME(size, big_endian) ( | |
16649710 | 1516 | layout, secnamepool, &this->output_bss_, v, pshndx |
593f47df | 1517 | SELECT_SIZE_ENDIAN(size, big_endian)); |
61ba1cf9 ILT |
1518 | return v; |
1519 | } | |
1520 | ||
1521 | template<int size, bool big_endian> | |
1522 | unsigned char* | |
16649710 ILT |
1523 | Output_segment::write_section_headers_list(const Layout* layout, |
1524 | const Stringpool* secnamepool, | |
61ba1cf9 | 1525 | const Output_data_list* pdl, |
ead1e424 ILT |
1526 | unsigned char* v, |
1527 | unsigned int* pshndx | |
5482377d | 1528 | ACCEPT_SIZE_ENDIAN) const |
61ba1cf9 ILT |
1529 | { |
1530 | const int shdr_size = elfcpp::Elf_sizes<size>::shdr_size; | |
1531 | for (Output_data_list::const_iterator p = pdl->begin(); | |
1532 | p != pdl->end(); | |
1533 | ++p) | |
1534 | { | |
1535 | if ((*p)->is_section()) | |
1536 | { | |
5482377d | 1537 | const Output_section* ps = static_cast<const Output_section*>(*p); |
a3ad94ed | 1538 | gold_assert(*pshndx == ps->out_shndx()); |
61ba1cf9 | 1539 | elfcpp::Shdr_write<size, big_endian> oshdr(v); |
16649710 | 1540 | ps->write_header(layout, secnamepool, &oshdr); |
61ba1cf9 | 1541 | v += shdr_size; |
ead1e424 | 1542 | ++*pshndx; |
61ba1cf9 ILT |
1543 | } |
1544 | } | |
1545 | return v; | |
1546 | } | |
1547 | ||
a2fb1b05 ILT |
1548 | // Output_file methods. |
1549 | ||
c51e6221 | 1550 | Output_file::Output_file(const General_options& options, Target* target) |
61ba1cf9 | 1551 | : options_(options), |
c51e6221 | 1552 | target_(target), |
61ba1cf9 ILT |
1553 | name_(options.output_file_name()), |
1554 | o_(-1), | |
1555 | file_size_(0), | |
1556 | base_(NULL) | |
1557 | { | |
1558 | } | |
1559 | ||
1560 | // Open the output file. | |
1561 | ||
a2fb1b05 | 1562 | void |
61ba1cf9 | 1563 | Output_file::open(off_t file_size) |
a2fb1b05 | 1564 | { |
61ba1cf9 ILT |
1565 | this->file_size_ = file_size; |
1566 | ||
7e1edb90 | 1567 | int mode = parameters->output_is_object() ? 0666 : 0777; |
61ba1cf9 ILT |
1568 | int o = ::open(this->name_, O_RDWR | O_CREAT | O_TRUNC, mode); |
1569 | if (o < 0) | |
1570 | { | |
1571 | fprintf(stderr, _("%s: %s: open: %s\n"), | |
1572 | program_name, this->name_, strerror(errno)); | |
1573 | gold_exit(false); | |
1574 | } | |
1575 | this->o_ = o; | |
1576 | ||
1577 | // Write out one byte to make the file the right size. | |
1578 | if (::lseek(o, file_size - 1, SEEK_SET) < 0) | |
1579 | { | |
1580 | fprintf(stderr, _("%s: %s: lseek: %s\n"), | |
1581 | program_name, this->name_, strerror(errno)); | |
1582 | gold_exit(false); | |
1583 | } | |
1584 | char b = 0; | |
1585 | if (::write(o, &b, 1) != 1) | |
1586 | { | |
1587 | fprintf(stderr, _("%s: %s: write: %s\n"), | |
1588 | program_name, this->name_, strerror(errno)); | |
1589 | gold_exit(false); | |
1590 | } | |
1591 | ||
1592 | // Map the file into memory. | |
1593 | void* base = ::mmap(NULL, file_size, PROT_READ | PROT_WRITE, | |
1594 | MAP_SHARED, o, 0); | |
1595 | if (base == MAP_FAILED) | |
1596 | { | |
1597 | fprintf(stderr, _("%s: %s: mmap: %s\n"), | |
1598 | program_name, this->name_, strerror(errno)); | |
1599 | gold_exit(false); | |
1600 | } | |
1601 | this->base_ = static_cast<unsigned char*>(base); | |
1602 | } | |
1603 | ||
1604 | // Close the output file. | |
1605 | ||
1606 | void | |
1607 | Output_file::close() | |
1608 | { | |
1609 | if (::munmap(this->base_, this->file_size_) < 0) | |
1610 | { | |
1611 | fprintf(stderr, _("%s: %s: munmap: %s\n"), | |
1612 | program_name, this->name_, strerror(errno)); | |
1613 | gold_exit(false); | |
1614 | } | |
1615 | this->base_ = NULL; | |
1616 | ||
1617 | if (::close(this->o_) < 0) | |
1618 | { | |
1619 | fprintf(stderr, _("%s: %s: close: %s\n"), | |
1620 | program_name, this->name_, strerror(errno)); | |
1621 | gold_exit(false); | |
1622 | } | |
1623 | this->o_ = -1; | |
a2fb1b05 ILT |
1624 | } |
1625 | ||
1626 | // Instantiate the templates we need. We could use the configure | |
1627 | // script to restrict this to only the ones for implemented targets. | |
1628 | ||
193a53d9 | 1629 | #ifdef HAVE_TARGET_32_LITTLE |
a2fb1b05 ILT |
1630 | template |
1631 | off_t | |
1632 | Output_section::add_input_section<32, false>( | |
f6ce93d6 | 1633 | Relobj* object, |
ead1e424 | 1634 | unsigned int shndx, |
a2fb1b05 ILT |
1635 | const char* secname, |
1636 | const elfcpp::Shdr<32, false>& shdr); | |
193a53d9 | 1637 | #endif |
a2fb1b05 | 1638 | |
193a53d9 | 1639 | #ifdef HAVE_TARGET_32_BIG |
a2fb1b05 ILT |
1640 | template |
1641 | off_t | |
1642 | Output_section::add_input_section<32, true>( | |
f6ce93d6 | 1643 | Relobj* object, |
ead1e424 | 1644 | unsigned int shndx, |
a2fb1b05 ILT |
1645 | const char* secname, |
1646 | const elfcpp::Shdr<32, true>& shdr); | |
193a53d9 | 1647 | #endif |
a2fb1b05 | 1648 | |
193a53d9 | 1649 | #ifdef HAVE_TARGET_64_LITTLE |
a2fb1b05 ILT |
1650 | template |
1651 | off_t | |
1652 | Output_section::add_input_section<64, false>( | |
f6ce93d6 | 1653 | Relobj* object, |
ead1e424 | 1654 | unsigned int shndx, |
a2fb1b05 ILT |
1655 | const char* secname, |
1656 | const elfcpp::Shdr<64, false>& shdr); | |
193a53d9 | 1657 | #endif |
a2fb1b05 | 1658 | |
193a53d9 | 1659 | #ifdef HAVE_TARGET_64_BIG |
a2fb1b05 ILT |
1660 | template |
1661 | off_t | |
1662 | Output_section::add_input_section<64, true>( | |
f6ce93d6 | 1663 | Relobj* object, |
ead1e424 | 1664 | unsigned int shndx, |
a2fb1b05 ILT |
1665 | const char* secname, |
1666 | const elfcpp::Shdr<64, true>& shdr); | |
193a53d9 | 1667 | #endif |
a2fb1b05 | 1668 | |
193a53d9 | 1669 | #ifdef HAVE_TARGET_32_LITTLE |
c06b7b0b ILT |
1670 | template |
1671 | class Output_data_reloc<elfcpp::SHT_REL, false, 32, false>; | |
193a53d9 | 1672 | #endif |
c06b7b0b | 1673 | |
193a53d9 | 1674 | #ifdef HAVE_TARGET_32_BIG |
c06b7b0b ILT |
1675 | template |
1676 | class Output_data_reloc<elfcpp::SHT_REL, false, 32, true>; | |
193a53d9 | 1677 | #endif |
c06b7b0b | 1678 | |
193a53d9 | 1679 | #ifdef HAVE_TARGET_64_LITTLE |
c06b7b0b ILT |
1680 | template |
1681 | class Output_data_reloc<elfcpp::SHT_REL, false, 64, false>; | |
193a53d9 | 1682 | #endif |
c06b7b0b | 1683 | |
193a53d9 | 1684 | #ifdef HAVE_TARGET_64_BIG |
c06b7b0b ILT |
1685 | template |
1686 | class Output_data_reloc<elfcpp::SHT_REL, false, 64, true>; | |
193a53d9 | 1687 | #endif |
c06b7b0b | 1688 | |
193a53d9 | 1689 | #ifdef HAVE_TARGET_32_LITTLE |
c06b7b0b ILT |
1690 | template |
1691 | class Output_data_reloc<elfcpp::SHT_REL, true, 32, false>; | |
193a53d9 | 1692 | #endif |
c06b7b0b | 1693 | |
193a53d9 | 1694 | #ifdef HAVE_TARGET_32_BIG |
c06b7b0b ILT |
1695 | template |
1696 | class Output_data_reloc<elfcpp::SHT_REL, true, 32, true>; | |
193a53d9 | 1697 | #endif |
c06b7b0b | 1698 | |
193a53d9 | 1699 | #ifdef HAVE_TARGET_64_LITTLE |
c06b7b0b ILT |
1700 | template |
1701 | class Output_data_reloc<elfcpp::SHT_REL, true, 64, false>; | |
193a53d9 | 1702 | #endif |
c06b7b0b | 1703 | |
193a53d9 | 1704 | #ifdef HAVE_TARGET_64_BIG |
c06b7b0b ILT |
1705 | template |
1706 | class Output_data_reloc<elfcpp::SHT_REL, true, 64, true>; | |
193a53d9 | 1707 | #endif |
c06b7b0b | 1708 | |
193a53d9 | 1709 | #ifdef HAVE_TARGET_32_LITTLE |
c06b7b0b ILT |
1710 | template |
1711 | class Output_data_reloc<elfcpp::SHT_RELA, false, 32, false>; | |
193a53d9 | 1712 | #endif |
c06b7b0b | 1713 | |
193a53d9 | 1714 | #ifdef HAVE_TARGET_32_BIG |
c06b7b0b ILT |
1715 | template |
1716 | class Output_data_reloc<elfcpp::SHT_RELA, false, 32, true>; | |
193a53d9 | 1717 | #endif |
c06b7b0b | 1718 | |
193a53d9 | 1719 | #ifdef HAVE_TARGET_64_LITTLE |
c06b7b0b ILT |
1720 | template |
1721 | class Output_data_reloc<elfcpp::SHT_RELA, false, 64, false>; | |
193a53d9 | 1722 | #endif |
c06b7b0b | 1723 | |
193a53d9 | 1724 | #ifdef HAVE_TARGET_64_BIG |
c06b7b0b ILT |
1725 | template |
1726 | class Output_data_reloc<elfcpp::SHT_RELA, false, 64, true>; | |
193a53d9 | 1727 | #endif |
c06b7b0b | 1728 | |
193a53d9 | 1729 | #ifdef HAVE_TARGET_32_LITTLE |
c06b7b0b ILT |
1730 | template |
1731 | class Output_data_reloc<elfcpp::SHT_RELA, true, 32, false>; | |
193a53d9 | 1732 | #endif |
c06b7b0b | 1733 | |
193a53d9 | 1734 | #ifdef HAVE_TARGET_32_BIG |
c06b7b0b ILT |
1735 | template |
1736 | class Output_data_reloc<elfcpp::SHT_RELA, true, 32, true>; | |
193a53d9 | 1737 | #endif |
c06b7b0b | 1738 | |
193a53d9 | 1739 | #ifdef HAVE_TARGET_64_LITTLE |
c06b7b0b ILT |
1740 | template |
1741 | class Output_data_reloc<elfcpp::SHT_RELA, true, 64, false>; | |
193a53d9 | 1742 | #endif |
c06b7b0b | 1743 | |
193a53d9 | 1744 | #ifdef HAVE_TARGET_64_BIG |
c06b7b0b ILT |
1745 | template |
1746 | class Output_data_reloc<elfcpp::SHT_RELA, true, 64, true>; | |
193a53d9 | 1747 | #endif |
c06b7b0b | 1748 | |
193a53d9 | 1749 | #ifdef HAVE_TARGET_32_LITTLE |
ead1e424 | 1750 | template |
dbe717ef | 1751 | class Output_data_got<32, false>; |
193a53d9 | 1752 | #endif |
ead1e424 | 1753 | |
193a53d9 | 1754 | #ifdef HAVE_TARGET_32_BIG |
ead1e424 | 1755 | template |
dbe717ef | 1756 | class Output_data_got<32, true>; |
193a53d9 | 1757 | #endif |
ead1e424 | 1758 | |
193a53d9 | 1759 | #ifdef HAVE_TARGET_64_LITTLE |
ead1e424 | 1760 | template |
dbe717ef | 1761 | class Output_data_got<64, false>; |
193a53d9 | 1762 | #endif |
ead1e424 | 1763 | |
193a53d9 | 1764 | #ifdef HAVE_TARGET_64_BIG |
ead1e424 | 1765 | template |
dbe717ef | 1766 | class Output_data_got<64, true>; |
193a53d9 | 1767 | #endif |
ead1e424 | 1768 | |
a2fb1b05 | 1769 | } // End namespace gold. |