Commit | Line | Data |
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a2fb1b05 ILT |
1 | // output.cc -- manage the output file for gold |
2 | ||
3 | #include "gold.h" | |
4 | ||
5 | #include <cstdlib> | |
61ba1cf9 ILT |
6 | #include <cerrno> |
7 | #include <fcntl.h> | |
8 | #include <unistd.h> | |
9 | #include <sys/mman.h> | |
75f65a3e | 10 | #include <algorithm> |
a2fb1b05 ILT |
11 | |
12 | #include "object.h" | |
ead1e424 ILT |
13 | #include "symtab.h" |
14 | #include "reloc.h" | |
b8e6aad9 | 15 | #include "merge.h" |
a2fb1b05 ILT |
16 | #include "output.h" |
17 | ||
18 | namespace gold | |
19 | { | |
20 | ||
a3ad94ed ILT |
21 | // Output_data variables. |
22 | ||
23 | bool Output_data::sizes_are_fixed; | |
24 | ||
a2fb1b05 ILT |
25 | // Output_data methods. |
26 | ||
27 | Output_data::~Output_data() | |
28 | { | |
29 | } | |
30 | ||
75f65a3e ILT |
31 | // Set the address and offset. |
32 | ||
33 | void | |
34 | Output_data::set_address(uint64_t addr, off_t off) | |
35 | { | |
36 | this->address_ = addr; | |
37 | this->offset_ = off; | |
38 | ||
39 | // Let the child class know. | |
40 | this->do_set_address(addr, off); | |
41 | } | |
42 | ||
43 | // Return the default alignment for a size--32 or 64. | |
44 | ||
45 | uint64_t | |
46 | Output_data::default_alignment(int size) | |
47 | { | |
48 | if (size == 32) | |
49 | return 4; | |
50 | else if (size == 64) | |
51 | return 8; | |
52 | else | |
a3ad94ed | 53 | gold_unreachable(); |
75f65a3e ILT |
54 | } |
55 | ||
75f65a3e ILT |
56 | // Output_section_header methods. This currently assumes that the |
57 | // segment and section lists are complete at construction time. | |
58 | ||
59 | Output_section_headers::Output_section_headers( | |
60 | int size, | |
61ba1cf9 | 61 | bool big_endian, |
16649710 ILT |
62 | const Layout* layout, |
63 | const Layout::Segment_list* segment_list, | |
64 | const Layout::Section_list* unattached_section_list, | |
61ba1cf9 | 65 | const Stringpool* secnamepool) |
75f65a3e | 66 | : size_(size), |
61ba1cf9 | 67 | big_endian_(big_endian), |
16649710 | 68 | layout_(layout), |
75f65a3e | 69 | segment_list_(segment_list), |
a3ad94ed | 70 | unattached_section_list_(unattached_section_list), |
61ba1cf9 | 71 | secnamepool_(secnamepool) |
75f65a3e | 72 | { |
61ba1cf9 ILT |
73 | // Count all the sections. Start with 1 for the null section. |
74 | off_t count = 1; | |
16649710 ILT |
75 | for (Layout::Segment_list::const_iterator p = segment_list->begin(); |
76 | p != segment_list->end(); | |
75f65a3e | 77 | ++p) |
ead1e424 ILT |
78 | if ((*p)->type() == elfcpp::PT_LOAD) |
79 | count += (*p)->output_section_count(); | |
16649710 | 80 | count += unattached_section_list->size(); |
75f65a3e ILT |
81 | |
82 | int shdr_size; | |
83 | if (size == 32) | |
84 | shdr_size = elfcpp::Elf_sizes<32>::shdr_size; | |
85 | else if (size == 64) | |
86 | shdr_size = elfcpp::Elf_sizes<64>::shdr_size; | |
87 | else | |
a3ad94ed | 88 | gold_unreachable(); |
75f65a3e ILT |
89 | |
90 | this->set_data_size(count * shdr_size); | |
91 | } | |
92 | ||
61ba1cf9 ILT |
93 | // Write out the section headers. |
94 | ||
75f65a3e | 95 | void |
61ba1cf9 | 96 | Output_section_headers::do_write(Output_file* of) |
a2fb1b05 | 97 | { |
61ba1cf9 ILT |
98 | if (this->size_ == 32) |
99 | { | |
100 | if (this->big_endian_) | |
101 | this->do_sized_write<32, true>(of); | |
102 | else | |
103 | this->do_sized_write<32, false>(of); | |
104 | } | |
105 | else if (this->size_ == 64) | |
106 | { | |
107 | if (this->big_endian_) | |
108 | this->do_sized_write<64, true>(of); | |
109 | else | |
110 | this->do_sized_write<64, false>(of); | |
111 | } | |
112 | else | |
a3ad94ed | 113 | gold_unreachable(); |
61ba1cf9 ILT |
114 | } |
115 | ||
116 | template<int size, bool big_endian> | |
117 | void | |
118 | Output_section_headers::do_sized_write(Output_file* of) | |
119 | { | |
120 | off_t all_shdrs_size = this->data_size(); | |
121 | unsigned char* view = of->get_output_view(this->offset(), all_shdrs_size); | |
122 | ||
123 | const int shdr_size = elfcpp::Elf_sizes<size>::shdr_size; | |
124 | unsigned char* v = view; | |
125 | ||
126 | { | |
127 | typename elfcpp::Shdr_write<size, big_endian> oshdr(v); | |
128 | oshdr.put_sh_name(0); | |
129 | oshdr.put_sh_type(elfcpp::SHT_NULL); | |
130 | oshdr.put_sh_flags(0); | |
131 | oshdr.put_sh_addr(0); | |
132 | oshdr.put_sh_offset(0); | |
133 | oshdr.put_sh_size(0); | |
134 | oshdr.put_sh_link(0); | |
135 | oshdr.put_sh_info(0); | |
136 | oshdr.put_sh_addralign(0); | |
137 | oshdr.put_sh_entsize(0); | |
138 | } | |
139 | ||
140 | v += shdr_size; | |
141 | ||
ead1e424 | 142 | unsigned shndx = 1; |
16649710 ILT |
143 | for (Layout::Segment_list::const_iterator p = this->segment_list_->begin(); |
144 | p != this->segment_list_->end(); | |
61ba1cf9 | 145 | ++p) |
593f47df | 146 | v = (*p)->write_section_headers SELECT_SIZE_ENDIAN_NAME(size, big_endian) ( |
16649710 | 147 | this->layout_, this->secnamepool_, v, &shndx |
ead1e424 | 148 | SELECT_SIZE_ENDIAN(size, big_endian)); |
a3ad94ed | 149 | for (Layout::Section_list::const_iterator p = |
16649710 ILT |
150 | this->unattached_section_list_->begin(); |
151 | p != this->unattached_section_list_->end(); | |
61ba1cf9 ILT |
152 | ++p) |
153 | { | |
a3ad94ed | 154 | gold_assert(shndx == (*p)->out_shndx()); |
61ba1cf9 | 155 | elfcpp::Shdr_write<size, big_endian> oshdr(v); |
16649710 | 156 | (*p)->write_header(this->layout_, this->secnamepool_, &oshdr); |
61ba1cf9 | 157 | v += shdr_size; |
ead1e424 | 158 | ++shndx; |
61ba1cf9 ILT |
159 | } |
160 | ||
161 | of->write_output_view(this->offset(), all_shdrs_size, view); | |
a2fb1b05 ILT |
162 | } |
163 | ||
54dc6425 ILT |
164 | // Output_segment_header methods. |
165 | ||
61ba1cf9 ILT |
166 | Output_segment_headers::Output_segment_headers( |
167 | int size, | |
168 | bool big_endian, | |
169 | const Layout::Segment_list& segment_list) | |
170 | : size_(size), big_endian_(big_endian), segment_list_(segment_list) | |
171 | { | |
172 | int phdr_size; | |
173 | if (size == 32) | |
174 | phdr_size = elfcpp::Elf_sizes<32>::phdr_size; | |
175 | else if (size == 64) | |
176 | phdr_size = elfcpp::Elf_sizes<64>::phdr_size; | |
177 | else | |
a3ad94ed | 178 | gold_unreachable(); |
61ba1cf9 ILT |
179 | |
180 | this->set_data_size(segment_list.size() * phdr_size); | |
181 | } | |
182 | ||
54dc6425 | 183 | void |
61ba1cf9 | 184 | Output_segment_headers::do_write(Output_file* of) |
75f65a3e | 185 | { |
61ba1cf9 ILT |
186 | if (this->size_ == 32) |
187 | { | |
188 | if (this->big_endian_) | |
189 | this->do_sized_write<32, true>(of); | |
190 | else | |
191 | this->do_sized_write<32, false>(of); | |
192 | } | |
193 | else if (this->size_ == 64) | |
194 | { | |
195 | if (this->big_endian_) | |
196 | this->do_sized_write<64, true>(of); | |
197 | else | |
198 | this->do_sized_write<64, false>(of); | |
199 | } | |
200 | else | |
a3ad94ed | 201 | gold_unreachable(); |
61ba1cf9 ILT |
202 | } |
203 | ||
204 | template<int size, bool big_endian> | |
205 | void | |
206 | Output_segment_headers::do_sized_write(Output_file* of) | |
207 | { | |
208 | const int phdr_size = elfcpp::Elf_sizes<size>::phdr_size; | |
209 | off_t all_phdrs_size = this->segment_list_.size() * phdr_size; | |
210 | unsigned char* view = of->get_output_view(this->offset(), | |
211 | all_phdrs_size); | |
212 | unsigned char* v = view; | |
213 | for (Layout::Segment_list::const_iterator p = this->segment_list_.begin(); | |
214 | p != this->segment_list_.end(); | |
215 | ++p) | |
216 | { | |
217 | elfcpp::Phdr_write<size, big_endian> ophdr(v); | |
218 | (*p)->write_header(&ophdr); | |
219 | v += phdr_size; | |
220 | } | |
221 | ||
222 | of->write_output_view(this->offset(), all_phdrs_size, view); | |
75f65a3e ILT |
223 | } |
224 | ||
225 | // Output_file_header methods. | |
226 | ||
227 | Output_file_header::Output_file_header(int size, | |
61ba1cf9 | 228 | bool big_endian, |
75f65a3e ILT |
229 | const General_options& options, |
230 | const Target* target, | |
231 | const Symbol_table* symtab, | |
232 | const Output_segment_headers* osh) | |
233 | : size_(size), | |
61ba1cf9 | 234 | big_endian_(big_endian), |
75f65a3e ILT |
235 | options_(options), |
236 | target_(target), | |
237 | symtab_(symtab), | |
61ba1cf9 | 238 | segment_header_(osh), |
75f65a3e ILT |
239 | section_header_(NULL), |
240 | shstrtab_(NULL) | |
241 | { | |
61ba1cf9 ILT |
242 | int ehdr_size; |
243 | if (size == 32) | |
244 | ehdr_size = elfcpp::Elf_sizes<32>::ehdr_size; | |
245 | else if (size == 64) | |
246 | ehdr_size = elfcpp::Elf_sizes<64>::ehdr_size; | |
247 | else | |
a3ad94ed | 248 | gold_unreachable(); |
61ba1cf9 ILT |
249 | |
250 | this->set_data_size(ehdr_size); | |
75f65a3e ILT |
251 | } |
252 | ||
253 | // Set the section table information for a file header. | |
254 | ||
255 | void | |
256 | Output_file_header::set_section_info(const Output_section_headers* shdrs, | |
257 | const Output_section* shstrtab) | |
258 | { | |
259 | this->section_header_ = shdrs; | |
260 | this->shstrtab_ = shstrtab; | |
261 | } | |
262 | ||
263 | // Write out the file header. | |
264 | ||
265 | void | |
61ba1cf9 | 266 | Output_file_header::do_write(Output_file* of) |
54dc6425 | 267 | { |
61ba1cf9 ILT |
268 | if (this->size_ == 32) |
269 | { | |
270 | if (this->big_endian_) | |
271 | this->do_sized_write<32, true>(of); | |
272 | else | |
273 | this->do_sized_write<32, false>(of); | |
274 | } | |
275 | else if (this->size_ == 64) | |
276 | { | |
277 | if (this->big_endian_) | |
278 | this->do_sized_write<64, true>(of); | |
279 | else | |
280 | this->do_sized_write<64, false>(of); | |
281 | } | |
282 | else | |
a3ad94ed | 283 | gold_unreachable(); |
61ba1cf9 ILT |
284 | } |
285 | ||
286 | // Write out the file header with appropriate size and endianess. | |
287 | ||
288 | template<int size, bool big_endian> | |
289 | void | |
290 | Output_file_header::do_sized_write(Output_file* of) | |
291 | { | |
a3ad94ed | 292 | gold_assert(this->offset() == 0); |
61ba1cf9 ILT |
293 | |
294 | int ehdr_size = elfcpp::Elf_sizes<size>::ehdr_size; | |
295 | unsigned char* view = of->get_output_view(0, ehdr_size); | |
296 | elfcpp::Ehdr_write<size, big_endian> oehdr(view); | |
297 | ||
298 | unsigned char e_ident[elfcpp::EI_NIDENT]; | |
299 | memset(e_ident, 0, elfcpp::EI_NIDENT); | |
300 | e_ident[elfcpp::EI_MAG0] = elfcpp::ELFMAG0; | |
301 | e_ident[elfcpp::EI_MAG1] = elfcpp::ELFMAG1; | |
302 | e_ident[elfcpp::EI_MAG2] = elfcpp::ELFMAG2; | |
303 | e_ident[elfcpp::EI_MAG3] = elfcpp::ELFMAG3; | |
304 | if (size == 32) | |
305 | e_ident[elfcpp::EI_CLASS] = elfcpp::ELFCLASS32; | |
306 | else if (size == 64) | |
307 | e_ident[elfcpp::EI_CLASS] = elfcpp::ELFCLASS64; | |
308 | else | |
a3ad94ed | 309 | gold_unreachable(); |
61ba1cf9 ILT |
310 | e_ident[elfcpp::EI_DATA] = (big_endian |
311 | ? elfcpp::ELFDATA2MSB | |
312 | : elfcpp::ELFDATA2LSB); | |
313 | e_ident[elfcpp::EI_VERSION] = elfcpp::EV_CURRENT; | |
314 | // FIXME: Some targets may need to set EI_OSABI and EI_ABIVERSION. | |
315 | oehdr.put_e_ident(e_ident); | |
316 | ||
317 | elfcpp::ET e_type; | |
318 | // FIXME: ET_DYN. | |
319 | if (this->options_.is_relocatable()) | |
320 | e_type = elfcpp::ET_REL; | |
321 | else | |
322 | e_type = elfcpp::ET_EXEC; | |
323 | oehdr.put_e_type(e_type); | |
324 | ||
325 | oehdr.put_e_machine(this->target_->machine_code()); | |
326 | oehdr.put_e_version(elfcpp::EV_CURRENT); | |
327 | ||
ead1e424 | 328 | // FIXME: Need to support -e, and target specific entry symbol. |
61ba1cf9 ILT |
329 | Symbol* sym = this->symtab_->lookup("_start"); |
330 | typename Sized_symbol<size>::Value_type v; | |
331 | if (sym == NULL) | |
332 | v = 0; | |
333 | else | |
334 | { | |
335 | Sized_symbol<size>* ssym; | |
593f47df | 336 | ssym = this->symtab_->get_sized_symbol SELECT_SIZE_NAME(size) ( |
5482377d | 337 | sym SELECT_SIZE(size)); |
61ba1cf9 ILT |
338 | v = ssym->value(); |
339 | } | |
340 | oehdr.put_e_entry(v); | |
341 | ||
342 | oehdr.put_e_phoff(this->segment_header_->offset()); | |
343 | oehdr.put_e_shoff(this->section_header_->offset()); | |
344 | ||
345 | // FIXME: The target needs to set the flags. | |
346 | oehdr.put_e_flags(0); | |
347 | ||
348 | oehdr.put_e_ehsize(elfcpp::Elf_sizes<size>::ehdr_size); | |
349 | oehdr.put_e_phentsize(elfcpp::Elf_sizes<size>::phdr_size); | |
350 | oehdr.put_e_phnum(this->segment_header_->data_size() | |
351 | / elfcpp::Elf_sizes<size>::phdr_size); | |
352 | oehdr.put_e_shentsize(elfcpp::Elf_sizes<size>::shdr_size); | |
353 | oehdr.put_e_shnum(this->section_header_->data_size() | |
354 | / elfcpp::Elf_sizes<size>::shdr_size); | |
ead1e424 | 355 | oehdr.put_e_shstrndx(this->shstrtab_->out_shndx()); |
61ba1cf9 ILT |
356 | |
357 | of->write_output_view(0, ehdr_size, view); | |
54dc6425 ILT |
358 | } |
359 | ||
dbe717ef ILT |
360 | // Output_data_const methods. |
361 | ||
362 | void | |
a3ad94ed | 363 | Output_data_const::do_write(Output_file* of) |
dbe717ef | 364 | { |
a3ad94ed ILT |
365 | of->write(this->offset(), this->data_.data(), this->data_.size()); |
366 | } | |
367 | ||
368 | // Output_data_const_buffer methods. | |
369 | ||
370 | void | |
371 | Output_data_const_buffer::do_write(Output_file* of) | |
372 | { | |
373 | of->write(this->offset(), this->p_, this->data_size()); | |
dbe717ef ILT |
374 | } |
375 | ||
376 | // Output_section_data methods. | |
377 | ||
16649710 ILT |
378 | // Record the output section, and set the entry size and such. |
379 | ||
380 | void | |
381 | Output_section_data::set_output_section(Output_section* os) | |
382 | { | |
383 | gold_assert(this->output_section_ == NULL); | |
384 | this->output_section_ = os; | |
385 | this->do_adjust_output_section(os); | |
386 | } | |
387 | ||
388 | // Return the section index of the output section. | |
389 | ||
dbe717ef ILT |
390 | unsigned int |
391 | Output_section_data::do_out_shndx() const | |
392 | { | |
a3ad94ed | 393 | gold_assert(this->output_section_ != NULL); |
dbe717ef ILT |
394 | return this->output_section_->out_shndx(); |
395 | } | |
396 | ||
a3ad94ed ILT |
397 | // Output_data_strtab methods. |
398 | ||
399 | // Set the address. We don't actually care about the address, but we | |
400 | // do set our final size. | |
401 | ||
402 | void | |
403 | Output_data_strtab::do_set_address(uint64_t, off_t) | |
404 | { | |
405 | this->strtab_->set_string_offsets(); | |
406 | this->set_data_size(this->strtab_->get_strtab_size()); | |
407 | } | |
408 | ||
409 | // Write out a string table. | |
410 | ||
411 | void | |
412 | Output_data_strtab::do_write(Output_file* of) | |
413 | { | |
414 | this->strtab_->write(of, this->offset()); | |
415 | } | |
416 | ||
c06b7b0b ILT |
417 | // Output_reloc methods. |
418 | ||
419 | // Get the symbol index of a relocation. | |
420 | ||
421 | template<bool dynamic, int size, bool big_endian> | |
422 | unsigned int | |
423 | Output_reloc<elfcpp::SHT_REL, dynamic, size, big_endian>::get_symbol_index() | |
424 | const | |
425 | { | |
426 | unsigned int index; | |
427 | switch (this->local_sym_index_) | |
428 | { | |
429 | case INVALID_CODE: | |
a3ad94ed | 430 | gold_unreachable(); |
c06b7b0b ILT |
431 | |
432 | case GSYM_CODE: | |
5a6f7e2d | 433 | if (this->u1_.gsym == NULL) |
c06b7b0b ILT |
434 | index = 0; |
435 | else if (dynamic) | |
5a6f7e2d | 436 | index = this->u1_.gsym->dynsym_index(); |
c06b7b0b | 437 | else |
5a6f7e2d | 438 | index = this->u1_.gsym->symtab_index(); |
c06b7b0b ILT |
439 | break; |
440 | ||
441 | case SECTION_CODE: | |
442 | if (dynamic) | |
5a6f7e2d | 443 | index = this->u1_.os->dynsym_index(); |
c06b7b0b | 444 | else |
5a6f7e2d | 445 | index = this->u1_.os->symtab_index(); |
c06b7b0b ILT |
446 | break; |
447 | ||
448 | default: | |
449 | if (dynamic) | |
450 | { | |
451 | // FIXME: It seems that some targets may need to generate | |
452 | // dynamic relocations against local symbols for some | |
453 | // reasons. This will have to be addressed at some point. | |
a3ad94ed | 454 | gold_unreachable(); |
c06b7b0b ILT |
455 | } |
456 | else | |
5a6f7e2d | 457 | index = this->u1_.relobj->symtab_index(this->local_sym_index_); |
c06b7b0b ILT |
458 | break; |
459 | } | |
a3ad94ed | 460 | gold_assert(index != -1U); |
c06b7b0b ILT |
461 | return index; |
462 | } | |
463 | ||
464 | // Write out the offset and info fields of a Rel or Rela relocation | |
465 | // entry. | |
466 | ||
467 | template<bool dynamic, int size, bool big_endian> | |
468 | template<typename Write_rel> | |
469 | void | |
470 | Output_reloc<elfcpp::SHT_REL, dynamic, size, big_endian>::write_rel( | |
471 | Write_rel* wr) const | |
472 | { | |
a3ad94ed | 473 | Address address = this->address_; |
5a6f7e2d ILT |
474 | if (this->shndx_ != INVALID_CODE) |
475 | { | |
476 | off_t off; | |
477 | Output_section* os = this->u2_.relobj->output_section(this->shndx_, | |
478 | &off); | |
479 | gold_assert(os != NULL); | |
480 | address += os->address() + off; | |
481 | } | |
482 | else if (this->u2_.od != NULL) | |
483 | address += this->u2_.od->address(); | |
a3ad94ed | 484 | wr->put_r_offset(address); |
c06b7b0b ILT |
485 | wr->put_r_info(elfcpp::elf_r_info<size>(this->get_symbol_index(), |
486 | this->type_)); | |
487 | } | |
488 | ||
489 | // Write out a Rel relocation. | |
490 | ||
491 | template<bool dynamic, int size, bool big_endian> | |
492 | void | |
493 | Output_reloc<elfcpp::SHT_REL, dynamic, size, big_endian>::write( | |
494 | unsigned char* pov) const | |
495 | { | |
496 | elfcpp::Rel_write<size, big_endian> orel(pov); | |
497 | this->write_rel(&orel); | |
498 | } | |
499 | ||
500 | // Write out a Rela relocation. | |
501 | ||
502 | template<bool dynamic, int size, bool big_endian> | |
503 | void | |
504 | Output_reloc<elfcpp::SHT_RELA, dynamic, size, big_endian>::write( | |
505 | unsigned char* pov) const | |
506 | { | |
507 | elfcpp::Rela_write<size, big_endian> orel(pov); | |
508 | this->rel_.write_rel(&orel); | |
509 | orel.put_r_addend(this->addend_); | |
510 | } | |
511 | ||
512 | // Output_data_reloc_base methods. | |
513 | ||
16649710 ILT |
514 | // Adjust the output section. |
515 | ||
516 | template<int sh_type, bool dynamic, int size, bool big_endian> | |
517 | void | |
518 | Output_data_reloc_base<sh_type, dynamic, size, big_endian> | |
519 | ::do_adjust_output_section(Output_section* os) | |
520 | { | |
521 | if (sh_type == elfcpp::SHT_REL) | |
522 | os->set_entsize(elfcpp::Elf_sizes<size>::rel_size); | |
523 | else if (sh_type == elfcpp::SHT_RELA) | |
524 | os->set_entsize(elfcpp::Elf_sizes<size>::rela_size); | |
525 | else | |
526 | gold_unreachable(); | |
527 | if (dynamic) | |
528 | os->set_should_link_to_dynsym(); | |
529 | else | |
530 | os->set_should_link_to_symtab(); | |
531 | } | |
532 | ||
c06b7b0b ILT |
533 | // Write out relocation data. |
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>::do_write( | |
538 | Output_file* of) | |
539 | { | |
540 | const off_t off = this->offset(); | |
541 | const off_t oview_size = this->data_size(); | |
542 | unsigned char* const oview = of->get_output_view(off, oview_size); | |
543 | ||
544 | unsigned char* pov = oview; | |
545 | for (typename Relocs::const_iterator p = this->relocs_.begin(); | |
546 | p != this->relocs_.end(); | |
547 | ++p) | |
548 | { | |
549 | p->write(pov); | |
550 | pov += reloc_size; | |
551 | } | |
552 | ||
a3ad94ed | 553 | gold_assert(pov - oview == oview_size); |
c06b7b0b ILT |
554 | |
555 | of->write_output_view(off, oview_size, oview); | |
556 | ||
557 | // We no longer need the relocation entries. | |
558 | this->relocs_.clear(); | |
559 | } | |
560 | ||
dbe717ef | 561 | // Output_data_got::Got_entry methods. |
ead1e424 ILT |
562 | |
563 | // Write out the entry. | |
564 | ||
565 | template<int size, bool big_endian> | |
566 | void | |
a3ad94ed ILT |
567 | Output_data_got<size, big_endian>::Got_entry::write( |
568 | const General_options* options, | |
569 | unsigned char* pov) const | |
ead1e424 ILT |
570 | { |
571 | Valtype val = 0; | |
572 | ||
573 | switch (this->local_sym_index_) | |
574 | { | |
575 | case GSYM_CODE: | |
576 | { | |
577 | Symbol* gsym = this->u_.gsym; | |
578 | ||
579 | // If the symbol is resolved locally, we need to write out its | |
580 | // value. Otherwise we just write zero. The target code is | |
581 | // responsible for creating a relocation entry to fill in the | |
582 | // value at runtime. | |
a3ad94ed | 583 | if (gsym->final_value_is_known(options)) |
ead1e424 ILT |
584 | { |
585 | Sized_symbol<size>* sgsym; | |
586 | // This cast is a bit ugly. We don't want to put a | |
587 | // virtual method in Symbol, because we want Symbol to be | |
588 | // as small as possible. | |
589 | sgsym = static_cast<Sized_symbol<size>*>(gsym); | |
590 | val = sgsym->value(); | |
591 | } | |
592 | } | |
593 | break; | |
594 | ||
595 | case CONSTANT_CODE: | |
596 | val = this->u_.constant; | |
597 | break; | |
598 | ||
599 | default: | |
a3ad94ed | 600 | gold_unreachable(); |
ead1e424 ILT |
601 | } |
602 | ||
a3ad94ed | 603 | elfcpp::Swap<size, big_endian>::writeval(pov, val); |
ead1e424 ILT |
604 | } |
605 | ||
dbe717ef | 606 | // Output_data_got methods. |
ead1e424 | 607 | |
dbe717ef ILT |
608 | // Add an entry for a global symbol to the GOT. This returns true if |
609 | // this is a new GOT entry, false if the symbol already had a GOT | |
610 | // entry. | |
611 | ||
612 | template<int size, bool big_endian> | |
613 | bool | |
614 | Output_data_got<size, big_endian>::add_global(Symbol* gsym) | |
ead1e424 | 615 | { |
dbe717ef ILT |
616 | if (gsym->has_got_offset()) |
617 | return false; | |
ead1e424 | 618 | |
dbe717ef ILT |
619 | this->entries_.push_back(Got_entry(gsym)); |
620 | this->set_got_size(); | |
621 | gsym->set_got_offset(this->last_got_offset()); | |
622 | return true; | |
623 | } | |
ead1e424 ILT |
624 | |
625 | // Write out the GOT. | |
626 | ||
627 | template<int size, bool big_endian> | |
628 | void | |
dbe717ef | 629 | Output_data_got<size, big_endian>::do_write(Output_file* of) |
ead1e424 ILT |
630 | { |
631 | const int add = size / 8; | |
632 | ||
633 | const off_t off = this->offset(); | |
c06b7b0b | 634 | const off_t oview_size = this->data_size(); |
ead1e424 ILT |
635 | unsigned char* const oview = of->get_output_view(off, oview_size); |
636 | ||
637 | unsigned char* pov = oview; | |
638 | for (typename Got_entries::const_iterator p = this->entries_.begin(); | |
639 | p != this->entries_.end(); | |
640 | ++p) | |
641 | { | |
a3ad94ed | 642 | p->write(this->options_, pov); |
ead1e424 ILT |
643 | pov += add; |
644 | } | |
645 | ||
a3ad94ed | 646 | gold_assert(pov - oview == oview_size); |
c06b7b0b | 647 | |
ead1e424 ILT |
648 | of->write_output_view(off, oview_size, oview); |
649 | ||
650 | // We no longer need the GOT entries. | |
651 | this->entries_.clear(); | |
652 | } | |
653 | ||
a3ad94ed ILT |
654 | // Output_data_dynamic::Dynamic_entry methods. |
655 | ||
656 | // Write out the entry. | |
657 | ||
658 | template<int size, bool big_endian> | |
659 | void | |
660 | Output_data_dynamic::Dynamic_entry::write( | |
661 | unsigned char* pov, | |
1ddbd1e6 ILT |
662 | const Stringpool* pool |
663 | ACCEPT_SIZE_ENDIAN) const | |
a3ad94ed ILT |
664 | { |
665 | typename elfcpp::Elf_types<size>::Elf_WXword val; | |
666 | switch (this->classification_) | |
667 | { | |
668 | case DYNAMIC_NUMBER: | |
669 | val = this->u_.val; | |
670 | break; | |
671 | ||
672 | case DYNAMIC_SECTION_ADDRESS: | |
16649710 | 673 | val = this->u_.od->address(); |
a3ad94ed ILT |
674 | break; |
675 | ||
676 | case DYNAMIC_SECTION_SIZE: | |
16649710 | 677 | val = this->u_.od->data_size(); |
a3ad94ed ILT |
678 | break; |
679 | ||
680 | case DYNAMIC_SYMBOL: | |
681 | { | |
16649710 ILT |
682 | const Sized_symbol<size>* s = |
683 | static_cast<const Sized_symbol<size>*>(this->u_.sym); | |
a3ad94ed ILT |
684 | val = s->value(); |
685 | } | |
686 | break; | |
687 | ||
688 | case DYNAMIC_STRING: | |
689 | val = pool->get_offset(this->u_.str); | |
690 | break; | |
691 | ||
692 | default: | |
693 | gold_unreachable(); | |
694 | } | |
695 | ||
696 | elfcpp::Dyn_write<size, big_endian> dw(pov); | |
697 | dw.put_d_tag(this->tag_); | |
698 | dw.put_d_val(val); | |
699 | } | |
700 | ||
701 | // Output_data_dynamic methods. | |
702 | ||
16649710 ILT |
703 | // Adjust the output section to set the entry size. |
704 | ||
705 | void | |
706 | Output_data_dynamic::do_adjust_output_section(Output_section* os) | |
707 | { | |
708 | if (this->target_->get_size() == 32) | |
709 | os->set_entsize(elfcpp::Elf_sizes<32>::dyn_size); | |
710 | else if (this->target_->get_size() == 64) | |
711 | os->set_entsize(elfcpp::Elf_sizes<64>::dyn_size); | |
712 | else | |
713 | gold_unreachable(); | |
714 | } | |
715 | ||
a3ad94ed ILT |
716 | // Set the final data size. |
717 | ||
718 | void | |
719 | Output_data_dynamic::do_set_address(uint64_t, off_t) | |
720 | { | |
721 | // Add the terminating entry. | |
722 | this->add_constant(elfcpp::DT_NULL, 0); | |
723 | ||
724 | int dyn_size; | |
725 | if (this->target_->get_size() == 32) | |
726 | dyn_size = elfcpp::Elf_sizes<32>::dyn_size; | |
727 | else if (this->target_->get_size() == 64) | |
728 | dyn_size = elfcpp::Elf_sizes<64>::dyn_size; | |
729 | else | |
730 | gold_unreachable(); | |
731 | this->set_data_size(this->entries_.size() * dyn_size); | |
732 | } | |
733 | ||
734 | // Write out the dynamic entries. | |
735 | ||
736 | void | |
737 | Output_data_dynamic::do_write(Output_file* of) | |
738 | { | |
739 | if (this->target_->get_size() == 32) | |
740 | { | |
741 | if (this->target_->is_big_endian()) | |
742 | this->sized_write<32, true>(of); | |
743 | else | |
744 | this->sized_write<32, false>(of); | |
745 | } | |
746 | else if (this->target_->get_size() == 64) | |
747 | { | |
748 | if (this->target_->is_big_endian()) | |
749 | this->sized_write<64, true>(of); | |
750 | else | |
751 | this->sized_write<64, false>(of); | |
752 | } | |
753 | else | |
754 | gold_unreachable(); | |
755 | } | |
756 | ||
757 | template<int size, bool big_endian> | |
758 | void | |
759 | Output_data_dynamic::sized_write(Output_file* of) | |
760 | { | |
761 | const int dyn_size = elfcpp::Elf_sizes<size>::dyn_size; | |
762 | ||
763 | const off_t offset = this->offset(); | |
764 | const off_t oview_size = this->data_size(); | |
765 | unsigned char* const oview = of->get_output_view(offset, oview_size); | |
766 | ||
767 | unsigned char* pov = oview; | |
768 | for (typename Dynamic_entries::const_iterator p = this->entries_.begin(); | |
769 | p != this->entries_.end(); | |
770 | ++p) | |
771 | { | |
1ddbd1e6 ILT |
772 | p->write SELECT_SIZE_ENDIAN_NAME(size, big_endian)( |
773 | pov, this->pool_ SELECT_SIZE_ENDIAN(size, big_endian)); | |
a3ad94ed ILT |
774 | pov += dyn_size; |
775 | } | |
776 | ||
777 | gold_assert(pov - oview == oview_size); | |
778 | ||
779 | of->write_output_view(offset, oview_size, oview); | |
780 | ||
781 | // We no longer need the dynamic entries. | |
782 | this->entries_.clear(); | |
783 | } | |
784 | ||
ead1e424 ILT |
785 | // Output_section::Input_section methods. |
786 | ||
787 | // Return the data size. For an input section we store the size here. | |
788 | // For an Output_section_data, we have to ask it for the size. | |
789 | ||
790 | off_t | |
791 | Output_section::Input_section::data_size() const | |
792 | { | |
793 | if (this->is_input_section()) | |
b8e6aad9 | 794 | return this->u1_.data_size; |
ead1e424 | 795 | else |
b8e6aad9 | 796 | return this->u2_.posd->data_size(); |
ead1e424 ILT |
797 | } |
798 | ||
799 | // Set the address and file offset. | |
800 | ||
801 | void | |
802 | Output_section::Input_section::set_address(uint64_t addr, off_t off, | |
803 | off_t secoff) | |
804 | { | |
805 | if (this->is_input_section()) | |
b8e6aad9 | 806 | this->u2_.object->set_section_offset(this->shndx_, off - secoff); |
ead1e424 | 807 | else |
b8e6aad9 ILT |
808 | this->u2_.posd->set_address(addr, off); |
809 | } | |
810 | ||
811 | // Try to turn an input address into an output address. | |
812 | ||
813 | bool | |
814 | Output_section::Input_section::output_address(const Relobj* object, | |
815 | unsigned int shndx, | |
816 | off_t offset, | |
817 | uint64_t output_section_address, | |
818 | uint64_t *poutput) const | |
819 | { | |
820 | if (!this->is_input_section()) | |
821 | return this->u2_.posd->output_address(object, shndx, offset, | |
822 | output_section_address, poutput); | |
823 | else | |
824 | { | |
825 | if (this->u2_.object != object) | |
826 | return false; | |
827 | off_t output_offset; | |
828 | Output_section* os = object->output_section(shndx, &output_offset); | |
829 | gold_assert(os != NULL); | |
830 | *poutput = output_section_address + output_offset + offset; | |
831 | return true; | |
832 | } | |
ead1e424 ILT |
833 | } |
834 | ||
835 | // Write out the data. We don't have to do anything for an input | |
836 | // section--they are handled via Object::relocate--but this is where | |
837 | // we write out the data for an Output_section_data. | |
838 | ||
839 | void | |
840 | Output_section::Input_section::write(Output_file* of) | |
841 | { | |
842 | if (!this->is_input_section()) | |
b8e6aad9 | 843 | this->u2_.posd->write(of); |
ead1e424 ILT |
844 | } |
845 | ||
a2fb1b05 ILT |
846 | // Output_section methods. |
847 | ||
848 | // Construct an Output_section. NAME will point into a Stringpool. | |
849 | ||
850 | Output_section::Output_section(const char* name, elfcpp::Elf_Word type, | |
b8e6aad9 | 851 | elfcpp::Elf_Xword flags) |
a2fb1b05 | 852 | : name_(name), |
a2fb1b05 ILT |
853 | addralign_(0), |
854 | entsize_(0), | |
16649710 | 855 | link_section_(NULL), |
a2fb1b05 | 856 | link_(0), |
16649710 | 857 | info_section_(NULL), |
a2fb1b05 ILT |
858 | info_(0), |
859 | type_(type), | |
61ba1cf9 | 860 | flags_(flags), |
ead1e424 | 861 | out_shndx_(0), |
c06b7b0b ILT |
862 | symtab_index_(0), |
863 | dynsym_index_(0), | |
ead1e424 ILT |
864 | input_sections_(), |
865 | first_input_offset_(0), | |
c51e6221 | 866 | fills_(), |
a3ad94ed | 867 | needs_symtab_index_(false), |
16649710 ILT |
868 | needs_dynsym_index_(false), |
869 | should_link_to_symtab_(false), | |
870 | should_link_to_dynsym_(false) | |
a2fb1b05 ILT |
871 | { |
872 | } | |
873 | ||
54dc6425 ILT |
874 | Output_section::~Output_section() |
875 | { | |
876 | } | |
877 | ||
16649710 ILT |
878 | // Set the entry size. |
879 | ||
880 | void | |
881 | Output_section::set_entsize(uint64_t v) | |
882 | { | |
883 | if (this->entsize_ == 0) | |
884 | this->entsize_ = v; | |
885 | else | |
886 | gold_assert(this->entsize_ == v); | |
887 | } | |
888 | ||
ead1e424 ILT |
889 | // Add the input section SHNDX, with header SHDR, named SECNAME, in |
890 | // OBJECT, to the Output_section. Return the offset of the input | |
891 | // section within the output section. We don't always keep track of | |
a2fb1b05 ILT |
892 | // input sections for an Output_section. Instead, each Object keeps |
893 | // track of the Output_section for each of its input sections. | |
894 | ||
895 | template<int size, bool big_endian> | |
896 | off_t | |
f6ce93d6 | 897 | Output_section::add_input_section(Relobj* object, unsigned int shndx, |
ead1e424 | 898 | const char* secname, |
a2fb1b05 ILT |
899 | const elfcpp::Shdr<size, big_endian>& shdr) |
900 | { | |
901 | elfcpp::Elf_Xword addralign = shdr.get_sh_addralign(); | |
902 | if ((addralign & (addralign - 1)) != 0) | |
903 | { | |
904 | fprintf(stderr, _("%s: %s: invalid alignment %lu for section \"%s\"\n"), | |
905 | program_name, object->name().c_str(), | |
906 | static_cast<unsigned long>(addralign), secname); | |
907 | gold_exit(false); | |
908 | } | |
a2fb1b05 ILT |
909 | |
910 | if (addralign > this->addralign_) | |
911 | this->addralign_ = addralign; | |
912 | ||
b8e6aad9 ILT |
913 | // If this is a SHF_MERGE section, we pass all the input sections to |
914 | // a Output_data_merge. | |
915 | if ((shdr.get_sh_flags() & elfcpp::SHF_MERGE) != 0) | |
916 | { | |
917 | if (this->add_merge_input_section(object, shndx, shdr.get_sh_flags(), | |
918 | shdr.get_sh_entsize(), | |
919 | addralign)) | |
920 | { | |
921 | // Tell the relocation routines that they need to call the | |
922 | // output_address method to determine the final address. | |
923 | return -1; | |
924 | } | |
925 | } | |
926 | ||
c51e6221 ILT |
927 | off_t offset_in_section = this->data_size(); |
928 | off_t aligned_offset_in_section = align_address(offset_in_section, | |
929 | addralign); | |
930 | ||
931 | if (aligned_offset_in_section > offset_in_section | |
932 | && (shdr.get_sh_flags() & elfcpp::SHF_EXECINSTR) != 0 | |
933 | && object->target()->has_code_fill()) | |
934 | { | |
935 | // We need to add some fill data. Using fill_list_ when | |
936 | // possible is an optimization, since we will often have fill | |
937 | // sections without input sections. | |
938 | off_t fill_len = aligned_offset_in_section - offset_in_section; | |
939 | if (this->input_sections_.empty()) | |
940 | this->fills_.push_back(Fill(offset_in_section, fill_len)); | |
941 | else | |
942 | { | |
943 | // FIXME: When relaxing, the size needs to adjust to | |
944 | // maintain a constant alignment. | |
945 | std::string fill_data(object->target()->code_fill(fill_len)); | |
946 | Output_data_const* odc = new Output_data_const(fill_data, 1); | |
947 | this->input_sections_.push_back(Input_section(odc)); | |
948 | } | |
949 | } | |
950 | ||
951 | this->set_data_size(aligned_offset_in_section + shdr.get_sh_size()); | |
a2fb1b05 | 952 | |
ead1e424 ILT |
953 | // We need to keep track of this section if we are already keeping |
954 | // track of sections, or if we are relaxing. FIXME: Add test for | |
955 | // relaxing. | |
c51e6221 | 956 | if (!this->input_sections_.empty()) |
ead1e424 ILT |
957 | this->input_sections_.push_back(Input_section(object, shndx, |
958 | shdr.get_sh_size(), | |
959 | addralign)); | |
54dc6425 | 960 | |
c51e6221 | 961 | return aligned_offset_in_section; |
61ba1cf9 ILT |
962 | } |
963 | ||
ead1e424 ILT |
964 | // Add arbitrary data to an output section. |
965 | ||
966 | void | |
967 | Output_section::add_output_section_data(Output_section_data* posd) | |
968 | { | |
b8e6aad9 ILT |
969 | Input_section inp(posd); |
970 | this->add_output_section_data(&inp); | |
971 | } | |
972 | ||
973 | // Add arbitrary data to an output section by Input_section. | |
c06b7b0b | 974 | |
b8e6aad9 ILT |
975 | void |
976 | Output_section::add_output_section_data(Input_section* inp) | |
977 | { | |
ead1e424 ILT |
978 | if (this->input_sections_.empty()) |
979 | this->first_input_offset_ = this->data_size(); | |
c06b7b0b | 980 | |
b8e6aad9 | 981 | this->input_sections_.push_back(*inp); |
c06b7b0b | 982 | |
b8e6aad9 | 983 | uint64_t addralign = inp->addralign(); |
ead1e424 ILT |
984 | if (addralign > this->addralign_) |
985 | this->addralign_ = addralign; | |
c06b7b0b | 986 | |
b8e6aad9 ILT |
987 | inp->set_output_section(this); |
988 | } | |
989 | ||
990 | // Add a merge section to an output section. | |
991 | ||
992 | void | |
993 | Output_section::add_output_merge_section(Output_section_data* posd, | |
994 | bool is_string, uint64_t entsize) | |
995 | { | |
996 | Input_section inp(posd, is_string, entsize); | |
997 | this->add_output_section_data(&inp); | |
998 | } | |
999 | ||
1000 | // Add an input section to a SHF_MERGE section. | |
1001 | ||
1002 | bool | |
1003 | Output_section::add_merge_input_section(Relobj* object, unsigned int shndx, | |
1004 | uint64_t flags, uint64_t entsize, | |
1005 | uint64_t addralign) | |
1006 | { | |
1007 | // We only merge constants if the alignment is not more than the | |
1008 | // entry size. This could be handled, but it's unusual. | |
1009 | if (addralign > entsize) | |
1010 | return false; | |
1011 | ||
1012 | bool is_string = (flags & elfcpp::SHF_STRINGS) != 0; | |
1013 | Input_section_list::iterator p; | |
1014 | for (p = this->input_sections_.begin(); | |
1015 | p != this->input_sections_.end(); | |
1016 | ++p) | |
1017 | if (p->is_merge_section(is_string, entsize)) | |
1018 | break; | |
1019 | ||
1020 | // We handle the actual constant merging in Output_merge_data or | |
1021 | // Output_merge_string_data. | |
1022 | if (p != this->input_sections_.end()) | |
1023 | p->add_input_section(object, shndx); | |
1024 | else | |
1025 | { | |
1026 | Output_section_data* posd; | |
1027 | if (!is_string) | |
1028 | posd = new Output_merge_data(entsize); | |
1029 | else if (entsize == 1) | |
1030 | posd = new Output_merge_string<char>(); | |
1031 | else if (entsize == 2) | |
1032 | posd = new Output_merge_string<uint16_t>(); | |
1033 | else if (entsize == 4) | |
1034 | posd = new Output_merge_string<uint32_t>(); | |
1035 | else | |
1036 | return false; | |
1037 | ||
1038 | this->add_output_merge_section(posd, is_string, entsize); | |
1039 | posd->add_input_section(object, shndx); | |
1040 | } | |
1041 | ||
1042 | return true; | |
1043 | } | |
1044 | ||
1045 | // Return the output virtual address of OFFSET relative to the start | |
1046 | // of input section SHNDX in object OBJECT. | |
1047 | ||
1048 | uint64_t | |
1049 | Output_section::output_address(const Relobj* object, unsigned int shndx, | |
1050 | off_t offset) const | |
1051 | { | |
1052 | uint64_t addr = this->address() + this->first_input_offset_; | |
1053 | for (Input_section_list::const_iterator p = this->input_sections_.begin(); | |
1054 | p != this->input_sections_.end(); | |
1055 | ++p) | |
1056 | { | |
1057 | addr = align_address(addr, p->addralign()); | |
1058 | uint64_t output; | |
1059 | if (p->output_address(object, shndx, offset, addr, &output)) | |
1060 | return output; | |
1061 | addr += p->data_size(); | |
1062 | } | |
1063 | ||
1064 | // If we get here, it means that we don't know the mapping for this | |
1065 | // input section. This might happen in principle if | |
1066 | // add_input_section were called before add_output_section_data. | |
1067 | // But it should never actually happen. | |
1068 | ||
1069 | gold_unreachable(); | |
ead1e424 ILT |
1070 | } |
1071 | ||
1072 | // Set the address of an Output_section. This is where we handle | |
1073 | // setting the addresses of any Output_section_data objects. | |
1074 | ||
1075 | void | |
1076 | Output_section::do_set_address(uint64_t address, off_t startoff) | |
1077 | { | |
1078 | if (this->input_sections_.empty()) | |
1079 | return; | |
1080 | ||
1081 | off_t off = startoff + this->first_input_offset_; | |
1082 | for (Input_section_list::iterator p = this->input_sections_.begin(); | |
1083 | p != this->input_sections_.end(); | |
1084 | ++p) | |
1085 | { | |
1086 | off = align_address(off, p->addralign()); | |
1087 | p->set_address(address + (off - startoff), off, startoff); | |
1088 | off += p->data_size(); | |
1089 | } | |
1090 | ||
1091 | this->set_data_size(off - startoff); | |
1092 | } | |
1093 | ||
61ba1cf9 ILT |
1094 | // Write the section header to *OSHDR. |
1095 | ||
1096 | template<int size, bool big_endian> | |
1097 | void | |
16649710 ILT |
1098 | Output_section::write_header(const Layout* layout, |
1099 | const Stringpool* secnamepool, | |
61ba1cf9 ILT |
1100 | elfcpp::Shdr_write<size, big_endian>* oshdr) const |
1101 | { | |
1102 | oshdr->put_sh_name(secnamepool->get_offset(this->name_)); | |
1103 | oshdr->put_sh_type(this->type_); | |
1104 | oshdr->put_sh_flags(this->flags_); | |
1105 | oshdr->put_sh_addr(this->address()); | |
1106 | oshdr->put_sh_offset(this->offset()); | |
1107 | oshdr->put_sh_size(this->data_size()); | |
16649710 ILT |
1108 | if (this->link_section_ != NULL) |
1109 | oshdr->put_sh_link(this->link_section_->out_shndx()); | |
1110 | else if (this->should_link_to_symtab_) | |
1111 | oshdr->put_sh_link(layout->symtab_section()->out_shndx()); | |
1112 | else if (this->should_link_to_dynsym_) | |
1113 | oshdr->put_sh_link(layout->dynsym_section()->out_shndx()); | |
1114 | else | |
1115 | oshdr->put_sh_link(this->link_); | |
1116 | if (this->info_section_ != NULL) | |
1117 | oshdr->put_sh_info(this->info_section_->out_shndx()); | |
1118 | else | |
1119 | oshdr->put_sh_info(this->info_); | |
61ba1cf9 ILT |
1120 | oshdr->put_sh_addralign(this->addralign_); |
1121 | oshdr->put_sh_entsize(this->entsize_); | |
a2fb1b05 ILT |
1122 | } |
1123 | ||
ead1e424 ILT |
1124 | // Write out the data. For input sections the data is written out by |
1125 | // Object::relocate, but we have to handle Output_section_data objects | |
1126 | // here. | |
1127 | ||
1128 | void | |
1129 | Output_section::do_write(Output_file* of) | |
1130 | { | |
c51e6221 ILT |
1131 | off_t output_section_file_offset = this->offset(); |
1132 | for (Fill_list::iterator p = this->fills_.begin(); | |
1133 | p != this->fills_.end(); | |
1134 | ++p) | |
1135 | { | |
1136 | std::string fill_data(of->target()->code_fill(p->length())); | |
1137 | of->write(output_section_file_offset + p->section_offset(), | |
1138 | fill_data.data(), fill_data.size()); | |
1139 | } | |
1140 | ||
ead1e424 ILT |
1141 | for (Input_section_list::iterator p = this->input_sections_.begin(); |
1142 | p != this->input_sections_.end(); | |
1143 | ++p) | |
1144 | p->write(of); | |
1145 | } | |
1146 | ||
a2fb1b05 ILT |
1147 | // Output segment methods. |
1148 | ||
1149 | Output_segment::Output_segment(elfcpp::Elf_Word type, elfcpp::Elf_Word flags) | |
54dc6425 | 1150 | : output_data_(), |
75f65a3e | 1151 | output_bss_(), |
a2fb1b05 ILT |
1152 | vaddr_(0), |
1153 | paddr_(0), | |
1154 | memsz_(0), | |
1155 | align_(0), | |
1156 | offset_(0), | |
1157 | filesz_(0), | |
1158 | type_(type), | |
ead1e424 ILT |
1159 | flags_(flags), |
1160 | is_align_known_(false) | |
a2fb1b05 ILT |
1161 | { |
1162 | } | |
1163 | ||
1164 | // Add an Output_section to an Output_segment. | |
1165 | ||
1166 | void | |
75f65a3e | 1167 | Output_segment::add_output_section(Output_section* os, |
dbe717ef ILT |
1168 | elfcpp::Elf_Word seg_flags, |
1169 | bool front) | |
a2fb1b05 | 1170 | { |
a3ad94ed ILT |
1171 | gold_assert((os->flags() & elfcpp::SHF_ALLOC) != 0); |
1172 | gold_assert(!this->is_align_known_); | |
75f65a3e | 1173 | |
ead1e424 | 1174 | // Update the segment flags. |
75f65a3e | 1175 | this->flags_ |= seg_flags; |
75f65a3e ILT |
1176 | |
1177 | Output_segment::Output_data_list* pdl; | |
1178 | if (os->type() == elfcpp::SHT_NOBITS) | |
1179 | pdl = &this->output_bss_; | |
1180 | else | |
1181 | pdl = &this->output_data_; | |
54dc6425 | 1182 | |
a2fb1b05 ILT |
1183 | // So that PT_NOTE segments will work correctly, we need to ensure |
1184 | // that all SHT_NOTE sections are adjacent. This will normally | |
1185 | // happen automatically, because all the SHT_NOTE input sections | |
1186 | // will wind up in the same output section. However, it is possible | |
1187 | // for multiple SHT_NOTE input sections to have different section | |
1188 | // flags, and thus be in different output sections, but for the | |
1189 | // different section flags to map into the same segment flags and | |
1190 | // thus the same output segment. | |
54dc6425 ILT |
1191 | |
1192 | // Note that while there may be many input sections in an output | |
1193 | // section, there are normally only a few output sections in an | |
1194 | // output segment. This loop is expected to be fast. | |
1195 | ||
61ba1cf9 | 1196 | if (os->type() == elfcpp::SHT_NOTE && !pdl->empty()) |
a2fb1b05 | 1197 | { |
a3ad94ed | 1198 | Output_segment::Output_data_list::iterator p = pdl->end(); |
75f65a3e | 1199 | do |
54dc6425 | 1200 | { |
75f65a3e | 1201 | --p; |
54dc6425 ILT |
1202 | if ((*p)->is_section_type(elfcpp::SHT_NOTE)) |
1203 | { | |
dbe717ef | 1204 | // We don't worry about the FRONT parameter. |
54dc6425 | 1205 | ++p; |
75f65a3e | 1206 | pdl->insert(p, os); |
54dc6425 ILT |
1207 | return; |
1208 | } | |
1209 | } | |
75f65a3e | 1210 | while (p != pdl->begin()); |
54dc6425 ILT |
1211 | } |
1212 | ||
1213 | // Similarly, so that PT_TLS segments will work, we need to group | |
75f65a3e ILT |
1214 | // SHF_TLS sections. An SHF_TLS/SHT_NOBITS section is a special |
1215 | // case: we group the SHF_TLS/SHT_NOBITS sections right after the | |
1216 | // SHF_TLS/SHT_PROGBITS sections. This lets us set up PT_TLS | |
1217 | // correctly. | |
61ba1cf9 | 1218 | if ((os->flags() & elfcpp::SHF_TLS) != 0 && !this->output_data_.empty()) |
54dc6425 | 1219 | { |
75f65a3e ILT |
1220 | pdl = &this->output_data_; |
1221 | bool nobits = os->type() == elfcpp::SHT_NOBITS; | |
ead1e424 | 1222 | bool sawtls = false; |
a3ad94ed | 1223 | Output_segment::Output_data_list::iterator p = pdl->end(); |
75f65a3e | 1224 | do |
a2fb1b05 | 1225 | { |
75f65a3e | 1226 | --p; |
ead1e424 ILT |
1227 | bool insert; |
1228 | if ((*p)->is_section_flag_set(elfcpp::SHF_TLS)) | |
1229 | { | |
1230 | sawtls = true; | |
1231 | // Put a NOBITS section after the first TLS section. | |
1232 | // But a PROGBITS section after the first TLS/PROGBITS | |
1233 | // section. | |
1234 | insert = nobits || !(*p)->is_section_type(elfcpp::SHT_NOBITS); | |
1235 | } | |
1236 | else | |
1237 | { | |
1238 | // If we've gone past the TLS sections, but we've seen a | |
1239 | // TLS section, then we need to insert this section now. | |
1240 | insert = sawtls; | |
1241 | } | |
1242 | ||
1243 | if (insert) | |
a2fb1b05 | 1244 | { |
dbe717ef | 1245 | // We don't worry about the FRONT parameter. |
a2fb1b05 | 1246 | ++p; |
75f65a3e | 1247 | pdl->insert(p, os); |
a2fb1b05 ILT |
1248 | return; |
1249 | } | |
1250 | } | |
75f65a3e | 1251 | while (p != pdl->begin()); |
ead1e424 | 1252 | |
dbe717ef ILT |
1253 | // There are no TLS sections yet; put this one at the requested |
1254 | // location in the section list. | |
a2fb1b05 ILT |
1255 | } |
1256 | ||
dbe717ef ILT |
1257 | if (front) |
1258 | pdl->push_front(os); | |
1259 | else | |
1260 | pdl->push_back(os); | |
75f65a3e ILT |
1261 | } |
1262 | ||
1263 | // Add an Output_data (which is not an Output_section) to the start of | |
1264 | // a segment. | |
1265 | ||
1266 | void | |
1267 | Output_segment::add_initial_output_data(Output_data* od) | |
1268 | { | |
a3ad94ed | 1269 | gold_assert(!this->is_align_known_); |
75f65a3e ILT |
1270 | this->output_data_.push_front(od); |
1271 | } | |
1272 | ||
1273 | // Return the maximum alignment of the Output_data in Output_segment. | |
ead1e424 | 1274 | // Once we compute this, we prohibit new sections from being added. |
75f65a3e ILT |
1275 | |
1276 | uint64_t | |
ead1e424 | 1277 | Output_segment::addralign() |
75f65a3e | 1278 | { |
ead1e424 ILT |
1279 | if (!this->is_align_known_) |
1280 | { | |
1281 | uint64_t addralign; | |
1282 | ||
1283 | addralign = Output_segment::maximum_alignment(&this->output_data_); | |
1284 | if (addralign > this->align_) | |
1285 | this->align_ = addralign; | |
1286 | ||
1287 | addralign = Output_segment::maximum_alignment(&this->output_bss_); | |
1288 | if (addralign > this->align_) | |
1289 | this->align_ = addralign; | |
1290 | ||
1291 | this->is_align_known_ = true; | |
1292 | } | |
1293 | ||
75f65a3e ILT |
1294 | return this->align_; |
1295 | } | |
1296 | ||
ead1e424 ILT |
1297 | // Return the maximum alignment of a list of Output_data. |
1298 | ||
1299 | uint64_t | |
1300 | Output_segment::maximum_alignment(const Output_data_list* pdl) | |
1301 | { | |
1302 | uint64_t ret = 0; | |
1303 | for (Output_data_list::const_iterator p = pdl->begin(); | |
1304 | p != pdl->end(); | |
1305 | ++p) | |
1306 | { | |
1307 | uint64_t addralign = (*p)->addralign(); | |
1308 | if (addralign > ret) | |
1309 | ret = addralign; | |
1310 | } | |
1311 | return ret; | |
1312 | } | |
1313 | ||
75f65a3e | 1314 | // Set the section addresses for an Output_segment. ADDR is the |
ead1e424 ILT |
1315 | // address and *POFF is the file offset. Set the section indexes |
1316 | // starting with *PSHNDX. Return the address of the immediately | |
1317 | // following segment. Update *POFF and *PSHNDX. | |
75f65a3e ILT |
1318 | |
1319 | uint64_t | |
ead1e424 ILT |
1320 | Output_segment::set_section_addresses(uint64_t addr, off_t* poff, |
1321 | unsigned int* pshndx) | |
75f65a3e | 1322 | { |
a3ad94ed | 1323 | gold_assert(this->type_ == elfcpp::PT_LOAD); |
75f65a3e ILT |
1324 | |
1325 | this->vaddr_ = addr; | |
1326 | this->paddr_ = addr; | |
1327 | ||
1328 | off_t orig_off = *poff; | |
1329 | this->offset_ = orig_off; | |
1330 | ||
ead1e424 ILT |
1331 | *poff = align_address(*poff, this->addralign()); |
1332 | ||
1333 | addr = this->set_section_list_addresses(&this->output_data_, addr, poff, | |
1334 | pshndx); | |
75f65a3e ILT |
1335 | this->filesz_ = *poff - orig_off; |
1336 | ||
1337 | off_t off = *poff; | |
1338 | ||
61ba1cf9 | 1339 | uint64_t ret = this->set_section_list_addresses(&this->output_bss_, addr, |
ead1e424 | 1340 | poff, pshndx); |
75f65a3e ILT |
1341 | this->memsz_ = *poff - orig_off; |
1342 | ||
1343 | // Ignore the file offset adjustments made by the BSS Output_data | |
1344 | // objects. | |
1345 | *poff = off; | |
61ba1cf9 ILT |
1346 | |
1347 | return ret; | |
75f65a3e ILT |
1348 | } |
1349 | ||
b8e6aad9 ILT |
1350 | // Set the addresses and file offsets in a list of Output_data |
1351 | // structures. | |
75f65a3e ILT |
1352 | |
1353 | uint64_t | |
1354 | Output_segment::set_section_list_addresses(Output_data_list* pdl, | |
ead1e424 ILT |
1355 | uint64_t addr, off_t* poff, |
1356 | unsigned int* pshndx) | |
75f65a3e | 1357 | { |
ead1e424 | 1358 | off_t startoff = *poff; |
75f65a3e | 1359 | |
ead1e424 | 1360 | off_t off = startoff; |
75f65a3e ILT |
1361 | for (Output_data_list::iterator p = pdl->begin(); |
1362 | p != pdl->end(); | |
1363 | ++p) | |
1364 | { | |
ead1e424 ILT |
1365 | off = align_address(off, (*p)->addralign()); |
1366 | (*p)->set_address(addr + (off - startoff), off); | |
1367 | ||
1368 | // Unless this is a PT_TLS segment, we want to ignore the size | |
1369 | // of a SHF_TLS/SHT_NOBITS section. Such a section does not | |
1370 | // affect the size of a PT_LOAD segment. | |
1371 | if (this->type_ == elfcpp::PT_TLS | |
1372 | || !(*p)->is_section_flag_set(elfcpp::SHF_TLS) | |
1373 | || !(*p)->is_section_type(elfcpp::SHT_NOBITS)) | |
1374 | off += (*p)->data_size(); | |
75f65a3e | 1375 | |
ead1e424 ILT |
1376 | if ((*p)->is_section()) |
1377 | { | |
1378 | (*p)->set_out_shndx(*pshndx); | |
1379 | ++*pshndx; | |
1380 | } | |
75f65a3e ILT |
1381 | } |
1382 | ||
1383 | *poff = off; | |
ead1e424 | 1384 | return addr + (off - startoff); |
75f65a3e ILT |
1385 | } |
1386 | ||
1387 | // For a non-PT_LOAD segment, set the offset from the sections, if | |
1388 | // any. | |
1389 | ||
1390 | void | |
1391 | Output_segment::set_offset() | |
1392 | { | |
a3ad94ed | 1393 | gold_assert(this->type_ != elfcpp::PT_LOAD); |
75f65a3e ILT |
1394 | |
1395 | if (this->output_data_.empty() && this->output_bss_.empty()) | |
1396 | { | |
1397 | this->vaddr_ = 0; | |
1398 | this->paddr_ = 0; | |
1399 | this->memsz_ = 0; | |
1400 | this->align_ = 0; | |
1401 | this->offset_ = 0; | |
1402 | this->filesz_ = 0; | |
1403 | return; | |
1404 | } | |
1405 | ||
1406 | const Output_data* first; | |
1407 | if (this->output_data_.empty()) | |
1408 | first = this->output_bss_.front(); | |
1409 | else | |
1410 | first = this->output_data_.front(); | |
1411 | this->vaddr_ = first->address(); | |
1412 | this->paddr_ = this->vaddr_; | |
1413 | this->offset_ = first->offset(); | |
1414 | ||
1415 | if (this->output_data_.empty()) | |
1416 | this->filesz_ = 0; | |
1417 | else | |
1418 | { | |
1419 | const Output_data* last_data = this->output_data_.back(); | |
1420 | this->filesz_ = (last_data->address() | |
1421 | + last_data->data_size() | |
1422 | - this->vaddr_); | |
1423 | } | |
1424 | ||
1425 | const Output_data* last; | |
1426 | if (this->output_bss_.empty()) | |
1427 | last = this->output_data_.back(); | |
1428 | else | |
1429 | last = this->output_bss_.back(); | |
1430 | this->memsz_ = (last->address() | |
1431 | + last->data_size() | |
1432 | - this->vaddr_); | |
75f65a3e ILT |
1433 | } |
1434 | ||
1435 | // Return the number of Output_sections in an Output_segment. | |
1436 | ||
1437 | unsigned int | |
1438 | Output_segment::output_section_count() const | |
1439 | { | |
1440 | return (this->output_section_count_list(&this->output_data_) | |
1441 | + this->output_section_count_list(&this->output_bss_)); | |
1442 | } | |
1443 | ||
1444 | // Return the number of Output_sections in an Output_data_list. | |
1445 | ||
1446 | unsigned int | |
1447 | Output_segment::output_section_count_list(const Output_data_list* pdl) const | |
1448 | { | |
1449 | unsigned int count = 0; | |
1450 | for (Output_data_list::const_iterator p = pdl->begin(); | |
1451 | p != pdl->end(); | |
1452 | ++p) | |
1453 | { | |
1454 | if ((*p)->is_section()) | |
1455 | ++count; | |
1456 | } | |
1457 | return count; | |
a2fb1b05 ILT |
1458 | } |
1459 | ||
61ba1cf9 ILT |
1460 | // Write the segment data into *OPHDR. |
1461 | ||
1462 | template<int size, bool big_endian> | |
1463 | void | |
ead1e424 | 1464 | Output_segment::write_header(elfcpp::Phdr_write<size, big_endian>* ophdr) |
61ba1cf9 ILT |
1465 | { |
1466 | ophdr->put_p_type(this->type_); | |
1467 | ophdr->put_p_offset(this->offset_); | |
1468 | ophdr->put_p_vaddr(this->vaddr_); | |
1469 | ophdr->put_p_paddr(this->paddr_); | |
1470 | ophdr->put_p_filesz(this->filesz_); | |
1471 | ophdr->put_p_memsz(this->memsz_); | |
1472 | ophdr->put_p_flags(this->flags_); | |
ead1e424 | 1473 | ophdr->put_p_align(this->addralign()); |
61ba1cf9 ILT |
1474 | } |
1475 | ||
1476 | // Write the section headers into V. | |
1477 | ||
1478 | template<int size, bool big_endian> | |
1479 | unsigned char* | |
16649710 ILT |
1480 | Output_segment::write_section_headers(const Layout* layout, |
1481 | const Stringpool* secnamepool, | |
ead1e424 ILT |
1482 | unsigned char* v, |
1483 | unsigned int *pshndx | |
5482377d ILT |
1484 | ACCEPT_SIZE_ENDIAN) const |
1485 | { | |
ead1e424 ILT |
1486 | // Every section that is attached to a segment must be attached to a |
1487 | // PT_LOAD segment, so we only write out section headers for PT_LOAD | |
1488 | // segments. | |
1489 | if (this->type_ != elfcpp::PT_LOAD) | |
1490 | return v; | |
1491 | ||
593f47df ILT |
1492 | v = this->write_section_headers_list |
1493 | SELECT_SIZE_ENDIAN_NAME(size, big_endian) ( | |
16649710 | 1494 | layout, secnamepool, &this->output_data_, v, pshndx |
593f47df ILT |
1495 | SELECT_SIZE_ENDIAN(size, big_endian)); |
1496 | v = this->write_section_headers_list | |
1497 | SELECT_SIZE_ENDIAN_NAME(size, big_endian) ( | |
16649710 | 1498 | layout, secnamepool, &this->output_bss_, v, pshndx |
593f47df | 1499 | SELECT_SIZE_ENDIAN(size, big_endian)); |
61ba1cf9 ILT |
1500 | return v; |
1501 | } | |
1502 | ||
1503 | template<int size, bool big_endian> | |
1504 | unsigned char* | |
16649710 ILT |
1505 | Output_segment::write_section_headers_list(const Layout* layout, |
1506 | const Stringpool* secnamepool, | |
61ba1cf9 | 1507 | const Output_data_list* pdl, |
ead1e424 ILT |
1508 | unsigned char* v, |
1509 | unsigned int* pshndx | |
5482377d | 1510 | ACCEPT_SIZE_ENDIAN) const |
61ba1cf9 ILT |
1511 | { |
1512 | const int shdr_size = elfcpp::Elf_sizes<size>::shdr_size; | |
1513 | for (Output_data_list::const_iterator p = pdl->begin(); | |
1514 | p != pdl->end(); | |
1515 | ++p) | |
1516 | { | |
1517 | if ((*p)->is_section()) | |
1518 | { | |
5482377d | 1519 | const Output_section* ps = static_cast<const Output_section*>(*p); |
a3ad94ed | 1520 | gold_assert(*pshndx == ps->out_shndx()); |
61ba1cf9 | 1521 | elfcpp::Shdr_write<size, big_endian> oshdr(v); |
16649710 | 1522 | ps->write_header(layout, secnamepool, &oshdr); |
61ba1cf9 | 1523 | v += shdr_size; |
ead1e424 | 1524 | ++*pshndx; |
61ba1cf9 ILT |
1525 | } |
1526 | } | |
1527 | return v; | |
1528 | } | |
1529 | ||
a2fb1b05 ILT |
1530 | // Output_file methods. |
1531 | ||
c51e6221 | 1532 | Output_file::Output_file(const General_options& options, Target* target) |
61ba1cf9 | 1533 | : options_(options), |
c51e6221 | 1534 | target_(target), |
61ba1cf9 ILT |
1535 | name_(options.output_file_name()), |
1536 | o_(-1), | |
1537 | file_size_(0), | |
1538 | base_(NULL) | |
1539 | { | |
1540 | } | |
1541 | ||
1542 | // Open the output file. | |
1543 | ||
a2fb1b05 | 1544 | void |
61ba1cf9 | 1545 | Output_file::open(off_t file_size) |
a2fb1b05 | 1546 | { |
61ba1cf9 ILT |
1547 | this->file_size_ = file_size; |
1548 | ||
1549 | int mode = this->options_.is_relocatable() ? 0666 : 0777; | |
1550 | int o = ::open(this->name_, O_RDWR | O_CREAT | O_TRUNC, mode); | |
1551 | if (o < 0) | |
1552 | { | |
1553 | fprintf(stderr, _("%s: %s: open: %s\n"), | |
1554 | program_name, this->name_, strerror(errno)); | |
1555 | gold_exit(false); | |
1556 | } | |
1557 | this->o_ = o; | |
1558 | ||
1559 | // Write out one byte to make the file the right size. | |
1560 | if (::lseek(o, file_size - 1, SEEK_SET) < 0) | |
1561 | { | |
1562 | fprintf(stderr, _("%s: %s: lseek: %s\n"), | |
1563 | program_name, this->name_, strerror(errno)); | |
1564 | gold_exit(false); | |
1565 | } | |
1566 | char b = 0; | |
1567 | if (::write(o, &b, 1) != 1) | |
1568 | { | |
1569 | fprintf(stderr, _("%s: %s: write: %s\n"), | |
1570 | program_name, this->name_, strerror(errno)); | |
1571 | gold_exit(false); | |
1572 | } | |
1573 | ||
1574 | // Map the file into memory. | |
1575 | void* base = ::mmap(NULL, file_size, PROT_READ | PROT_WRITE, | |
1576 | MAP_SHARED, o, 0); | |
1577 | if (base == MAP_FAILED) | |
1578 | { | |
1579 | fprintf(stderr, _("%s: %s: mmap: %s\n"), | |
1580 | program_name, this->name_, strerror(errno)); | |
1581 | gold_exit(false); | |
1582 | } | |
1583 | this->base_ = static_cast<unsigned char*>(base); | |
1584 | } | |
1585 | ||
1586 | // Close the output file. | |
1587 | ||
1588 | void | |
1589 | Output_file::close() | |
1590 | { | |
1591 | if (::munmap(this->base_, this->file_size_) < 0) | |
1592 | { | |
1593 | fprintf(stderr, _("%s: %s: munmap: %s\n"), | |
1594 | program_name, this->name_, strerror(errno)); | |
1595 | gold_exit(false); | |
1596 | } | |
1597 | this->base_ = NULL; | |
1598 | ||
1599 | if (::close(this->o_) < 0) | |
1600 | { | |
1601 | fprintf(stderr, _("%s: %s: close: %s\n"), | |
1602 | program_name, this->name_, strerror(errno)); | |
1603 | gold_exit(false); | |
1604 | } | |
1605 | this->o_ = -1; | |
a2fb1b05 ILT |
1606 | } |
1607 | ||
1608 | // Instantiate the templates we need. We could use the configure | |
1609 | // script to restrict this to only the ones for implemented targets. | |
1610 | ||
193a53d9 | 1611 | #ifdef HAVE_TARGET_32_LITTLE |
a2fb1b05 ILT |
1612 | template |
1613 | off_t | |
1614 | Output_section::add_input_section<32, false>( | |
f6ce93d6 | 1615 | Relobj* object, |
ead1e424 | 1616 | unsigned int shndx, |
a2fb1b05 ILT |
1617 | const char* secname, |
1618 | const elfcpp::Shdr<32, false>& shdr); | |
193a53d9 | 1619 | #endif |
a2fb1b05 | 1620 | |
193a53d9 | 1621 | #ifdef HAVE_TARGET_32_BIG |
a2fb1b05 ILT |
1622 | template |
1623 | off_t | |
1624 | Output_section::add_input_section<32, true>( | |
f6ce93d6 | 1625 | Relobj* object, |
ead1e424 | 1626 | unsigned int shndx, |
a2fb1b05 ILT |
1627 | const char* secname, |
1628 | const elfcpp::Shdr<32, true>& shdr); | |
193a53d9 | 1629 | #endif |
a2fb1b05 | 1630 | |
193a53d9 | 1631 | #ifdef HAVE_TARGET_64_LITTLE |
a2fb1b05 ILT |
1632 | template |
1633 | off_t | |
1634 | Output_section::add_input_section<64, false>( | |
f6ce93d6 | 1635 | Relobj* object, |
ead1e424 | 1636 | unsigned int shndx, |
a2fb1b05 ILT |
1637 | const char* secname, |
1638 | const elfcpp::Shdr<64, false>& shdr); | |
193a53d9 | 1639 | #endif |
a2fb1b05 | 1640 | |
193a53d9 | 1641 | #ifdef HAVE_TARGET_64_BIG |
a2fb1b05 ILT |
1642 | template |
1643 | off_t | |
1644 | Output_section::add_input_section<64, true>( | |
f6ce93d6 | 1645 | Relobj* object, |
ead1e424 | 1646 | unsigned int shndx, |
a2fb1b05 ILT |
1647 | const char* secname, |
1648 | const elfcpp::Shdr<64, true>& shdr); | |
193a53d9 | 1649 | #endif |
a2fb1b05 | 1650 | |
193a53d9 | 1651 | #ifdef HAVE_TARGET_32_LITTLE |
c06b7b0b ILT |
1652 | template |
1653 | class Output_data_reloc<elfcpp::SHT_REL, false, 32, false>; | |
193a53d9 | 1654 | #endif |
c06b7b0b | 1655 | |
193a53d9 | 1656 | #ifdef HAVE_TARGET_32_BIG |
c06b7b0b ILT |
1657 | template |
1658 | class Output_data_reloc<elfcpp::SHT_REL, false, 32, true>; | |
193a53d9 | 1659 | #endif |
c06b7b0b | 1660 | |
193a53d9 | 1661 | #ifdef HAVE_TARGET_64_LITTLE |
c06b7b0b ILT |
1662 | template |
1663 | class Output_data_reloc<elfcpp::SHT_REL, false, 64, false>; | |
193a53d9 | 1664 | #endif |
c06b7b0b | 1665 | |
193a53d9 | 1666 | #ifdef HAVE_TARGET_64_BIG |
c06b7b0b ILT |
1667 | template |
1668 | class Output_data_reloc<elfcpp::SHT_REL, false, 64, true>; | |
193a53d9 | 1669 | #endif |
c06b7b0b | 1670 | |
193a53d9 | 1671 | #ifdef HAVE_TARGET_32_LITTLE |
c06b7b0b ILT |
1672 | template |
1673 | class Output_data_reloc<elfcpp::SHT_REL, true, 32, false>; | |
193a53d9 | 1674 | #endif |
c06b7b0b | 1675 | |
193a53d9 | 1676 | #ifdef HAVE_TARGET_32_BIG |
c06b7b0b ILT |
1677 | template |
1678 | class Output_data_reloc<elfcpp::SHT_REL, true, 32, true>; | |
193a53d9 | 1679 | #endif |
c06b7b0b | 1680 | |
193a53d9 | 1681 | #ifdef HAVE_TARGET_64_LITTLE |
c06b7b0b ILT |
1682 | template |
1683 | class Output_data_reloc<elfcpp::SHT_REL, true, 64, false>; | |
193a53d9 | 1684 | #endif |
c06b7b0b | 1685 | |
193a53d9 | 1686 | #ifdef HAVE_TARGET_64_BIG |
c06b7b0b ILT |
1687 | template |
1688 | class Output_data_reloc<elfcpp::SHT_REL, true, 64, true>; | |
193a53d9 | 1689 | #endif |
c06b7b0b | 1690 | |
193a53d9 | 1691 | #ifdef HAVE_TARGET_32_LITTLE |
c06b7b0b ILT |
1692 | template |
1693 | class Output_data_reloc<elfcpp::SHT_RELA, false, 32, false>; | |
193a53d9 | 1694 | #endif |
c06b7b0b | 1695 | |
193a53d9 | 1696 | #ifdef HAVE_TARGET_32_BIG |
c06b7b0b ILT |
1697 | template |
1698 | class Output_data_reloc<elfcpp::SHT_RELA, false, 32, true>; | |
193a53d9 | 1699 | #endif |
c06b7b0b | 1700 | |
193a53d9 | 1701 | #ifdef HAVE_TARGET_64_LITTLE |
c06b7b0b ILT |
1702 | template |
1703 | class Output_data_reloc<elfcpp::SHT_RELA, false, 64, false>; | |
193a53d9 | 1704 | #endif |
c06b7b0b | 1705 | |
193a53d9 | 1706 | #ifdef HAVE_TARGET_64_BIG |
c06b7b0b ILT |
1707 | template |
1708 | class Output_data_reloc<elfcpp::SHT_RELA, false, 64, true>; | |
193a53d9 | 1709 | #endif |
c06b7b0b | 1710 | |
193a53d9 | 1711 | #ifdef HAVE_TARGET_32_LITTLE |
c06b7b0b ILT |
1712 | template |
1713 | class Output_data_reloc<elfcpp::SHT_RELA, true, 32, false>; | |
193a53d9 | 1714 | #endif |
c06b7b0b | 1715 | |
193a53d9 | 1716 | #ifdef HAVE_TARGET_32_BIG |
c06b7b0b ILT |
1717 | template |
1718 | class Output_data_reloc<elfcpp::SHT_RELA, true, 32, true>; | |
193a53d9 | 1719 | #endif |
c06b7b0b | 1720 | |
193a53d9 | 1721 | #ifdef HAVE_TARGET_64_LITTLE |
c06b7b0b ILT |
1722 | template |
1723 | class Output_data_reloc<elfcpp::SHT_RELA, true, 64, false>; | |
193a53d9 | 1724 | #endif |
c06b7b0b | 1725 | |
193a53d9 | 1726 | #ifdef HAVE_TARGET_64_BIG |
c06b7b0b ILT |
1727 | template |
1728 | class Output_data_reloc<elfcpp::SHT_RELA, true, 64, true>; | |
193a53d9 | 1729 | #endif |
c06b7b0b | 1730 | |
193a53d9 | 1731 | #ifdef HAVE_TARGET_32_LITTLE |
ead1e424 | 1732 | template |
dbe717ef | 1733 | class Output_data_got<32, false>; |
193a53d9 | 1734 | #endif |
ead1e424 | 1735 | |
193a53d9 | 1736 | #ifdef HAVE_TARGET_32_BIG |
ead1e424 | 1737 | template |
dbe717ef | 1738 | class Output_data_got<32, true>; |
193a53d9 | 1739 | #endif |
ead1e424 | 1740 | |
193a53d9 | 1741 | #ifdef HAVE_TARGET_64_LITTLE |
ead1e424 | 1742 | template |
dbe717ef | 1743 | class Output_data_got<64, false>; |
193a53d9 | 1744 | #endif |
ead1e424 | 1745 | |
193a53d9 | 1746 | #ifdef HAVE_TARGET_64_BIG |
ead1e424 | 1747 | template |
dbe717ef | 1748 | class Output_data_got<64, true>; |
193a53d9 | 1749 | #endif |
ead1e424 | 1750 | |
a2fb1b05 | 1751 | } // End namespace gold. |