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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 | 11 | |
7e1edb90 | 12 | #include "parameters.h" |
a2fb1b05 | 13 | #include "object.h" |
ead1e424 ILT |
14 | #include "symtab.h" |
15 | #include "reloc.h" | |
b8e6aad9 | 16 | #include "merge.h" |
a2fb1b05 ILT |
17 | #include "output.h" |
18 | ||
19 | namespace gold | |
20 | { | |
21 | ||
a3ad94ed ILT |
22 | // Output_data variables. |
23 | ||
24 | bool Output_data::sizes_are_fixed; | |
25 | ||
a2fb1b05 ILT |
26 | // Output_data methods. |
27 | ||
28 | Output_data::~Output_data() | |
29 | { | |
30 | } | |
31 | ||
75f65a3e ILT |
32 | // Set the address and offset. |
33 | ||
34 | void | |
35 | Output_data::set_address(uint64_t addr, off_t off) | |
36 | { | |
37 | this->address_ = addr; | |
38 | this->offset_ = off; | |
39 | ||
40 | // Let the child class know. | |
41 | this->do_set_address(addr, off); | |
42 | } | |
43 | ||
44 | // Return the default alignment for a size--32 or 64. | |
45 | ||
46 | uint64_t | |
47 | Output_data::default_alignment(int size) | |
48 | { | |
49 | if (size == 32) | |
50 | return 4; | |
51 | else if (size == 64) | |
52 | return 8; | |
53 | else | |
a3ad94ed | 54 | gold_unreachable(); |
75f65a3e ILT |
55 | } |
56 | ||
75f65a3e ILT |
57 | // Output_section_header methods. This currently assumes that the |
58 | // segment and section lists are complete at construction time. | |
59 | ||
60 | Output_section_headers::Output_section_headers( | |
61 | int size, | |
61ba1cf9 | 62 | bool big_endian, |
16649710 ILT |
63 | const Layout* layout, |
64 | const Layout::Segment_list* segment_list, | |
65 | const Layout::Section_list* unattached_section_list, | |
61ba1cf9 | 66 | const Stringpool* secnamepool) |
75f65a3e | 67 | : size_(size), |
61ba1cf9 | 68 | big_endian_(big_endian), |
16649710 | 69 | layout_(layout), |
75f65a3e | 70 | segment_list_(segment_list), |
a3ad94ed | 71 | unattached_section_list_(unattached_section_list), |
61ba1cf9 | 72 | secnamepool_(secnamepool) |
75f65a3e | 73 | { |
61ba1cf9 ILT |
74 | // Count all the sections. Start with 1 for the null section. |
75 | off_t count = 1; | |
16649710 ILT |
76 | for (Layout::Segment_list::const_iterator p = segment_list->begin(); |
77 | p != segment_list->end(); | |
75f65a3e | 78 | ++p) |
ead1e424 ILT |
79 | if ((*p)->type() == elfcpp::PT_LOAD) |
80 | count += (*p)->output_section_count(); | |
16649710 | 81 | count += unattached_section_list->size(); |
75f65a3e ILT |
82 | |
83 | int shdr_size; | |
84 | if (size == 32) | |
85 | shdr_size = elfcpp::Elf_sizes<32>::shdr_size; | |
86 | else if (size == 64) | |
87 | shdr_size = elfcpp::Elf_sizes<64>::shdr_size; | |
88 | else | |
a3ad94ed | 89 | gold_unreachable(); |
75f65a3e ILT |
90 | |
91 | this->set_data_size(count * shdr_size); | |
92 | } | |
93 | ||
61ba1cf9 ILT |
94 | // Write out the section headers. |
95 | ||
75f65a3e | 96 | void |
61ba1cf9 | 97 | Output_section_headers::do_write(Output_file* of) |
a2fb1b05 | 98 | { |
61ba1cf9 ILT |
99 | if (this->size_ == 32) |
100 | { | |
101 | if (this->big_endian_) | |
102 | this->do_sized_write<32, true>(of); | |
103 | else | |
104 | this->do_sized_write<32, false>(of); | |
105 | } | |
106 | else if (this->size_ == 64) | |
107 | { | |
108 | if (this->big_endian_) | |
109 | this->do_sized_write<64, true>(of); | |
110 | else | |
111 | this->do_sized_write<64, false>(of); | |
112 | } | |
113 | else | |
a3ad94ed | 114 | gold_unreachable(); |
61ba1cf9 ILT |
115 | } |
116 | ||
117 | template<int size, bool big_endian> | |
118 | void | |
119 | Output_section_headers::do_sized_write(Output_file* of) | |
120 | { | |
121 | off_t all_shdrs_size = this->data_size(); | |
122 | unsigned char* view = of->get_output_view(this->offset(), all_shdrs_size); | |
123 | ||
124 | const int shdr_size = elfcpp::Elf_sizes<size>::shdr_size; | |
125 | unsigned char* v = view; | |
126 | ||
127 | { | |
128 | typename elfcpp::Shdr_write<size, big_endian> oshdr(v); | |
129 | oshdr.put_sh_name(0); | |
130 | oshdr.put_sh_type(elfcpp::SHT_NULL); | |
131 | oshdr.put_sh_flags(0); | |
132 | oshdr.put_sh_addr(0); | |
133 | oshdr.put_sh_offset(0); | |
134 | oshdr.put_sh_size(0); | |
135 | oshdr.put_sh_link(0); | |
136 | oshdr.put_sh_info(0); | |
137 | oshdr.put_sh_addralign(0); | |
138 | oshdr.put_sh_entsize(0); | |
139 | } | |
140 | ||
141 | v += shdr_size; | |
142 | ||
ead1e424 | 143 | unsigned shndx = 1; |
16649710 ILT |
144 | for (Layout::Segment_list::const_iterator p = this->segment_list_->begin(); |
145 | p != this->segment_list_->end(); | |
61ba1cf9 | 146 | ++p) |
593f47df | 147 | v = (*p)->write_section_headers SELECT_SIZE_ENDIAN_NAME(size, big_endian) ( |
16649710 | 148 | this->layout_, this->secnamepool_, v, &shndx |
ead1e424 | 149 | SELECT_SIZE_ENDIAN(size, big_endian)); |
a3ad94ed | 150 | for (Layout::Section_list::const_iterator p = |
16649710 ILT |
151 | this->unattached_section_list_->begin(); |
152 | p != this->unattached_section_list_->end(); | |
61ba1cf9 ILT |
153 | ++p) |
154 | { | |
a3ad94ed | 155 | gold_assert(shndx == (*p)->out_shndx()); |
61ba1cf9 | 156 | elfcpp::Shdr_write<size, big_endian> oshdr(v); |
16649710 | 157 | (*p)->write_header(this->layout_, this->secnamepool_, &oshdr); |
61ba1cf9 | 158 | v += shdr_size; |
ead1e424 | 159 | ++shndx; |
61ba1cf9 ILT |
160 | } |
161 | ||
162 | of->write_output_view(this->offset(), all_shdrs_size, view); | |
a2fb1b05 ILT |
163 | } |
164 | ||
54dc6425 ILT |
165 | // Output_segment_header methods. |
166 | ||
61ba1cf9 ILT |
167 | Output_segment_headers::Output_segment_headers( |
168 | int size, | |
169 | bool big_endian, | |
170 | const Layout::Segment_list& segment_list) | |
171 | : size_(size), big_endian_(big_endian), segment_list_(segment_list) | |
172 | { | |
173 | int phdr_size; | |
174 | if (size == 32) | |
175 | phdr_size = elfcpp::Elf_sizes<32>::phdr_size; | |
176 | else if (size == 64) | |
177 | phdr_size = elfcpp::Elf_sizes<64>::phdr_size; | |
178 | else | |
a3ad94ed | 179 | gold_unreachable(); |
61ba1cf9 ILT |
180 | |
181 | this->set_data_size(segment_list.size() * phdr_size); | |
182 | } | |
183 | ||
54dc6425 | 184 | void |
61ba1cf9 | 185 | Output_segment_headers::do_write(Output_file* of) |
75f65a3e | 186 | { |
61ba1cf9 ILT |
187 | if (this->size_ == 32) |
188 | { | |
189 | if (this->big_endian_) | |
190 | this->do_sized_write<32, true>(of); | |
191 | else | |
192 | this->do_sized_write<32, false>(of); | |
193 | } | |
194 | else if (this->size_ == 64) | |
195 | { | |
196 | if (this->big_endian_) | |
197 | this->do_sized_write<64, true>(of); | |
198 | else | |
199 | this->do_sized_write<64, false>(of); | |
200 | } | |
201 | else | |
a3ad94ed | 202 | gold_unreachable(); |
61ba1cf9 ILT |
203 | } |
204 | ||
205 | template<int size, bool big_endian> | |
206 | void | |
207 | Output_segment_headers::do_sized_write(Output_file* of) | |
208 | { | |
209 | const int phdr_size = elfcpp::Elf_sizes<size>::phdr_size; | |
210 | off_t all_phdrs_size = this->segment_list_.size() * phdr_size; | |
211 | unsigned char* view = of->get_output_view(this->offset(), | |
212 | all_phdrs_size); | |
213 | unsigned char* v = view; | |
214 | for (Layout::Segment_list::const_iterator p = this->segment_list_.begin(); | |
215 | p != this->segment_list_.end(); | |
216 | ++p) | |
217 | { | |
218 | elfcpp::Phdr_write<size, big_endian> ophdr(v); | |
219 | (*p)->write_header(&ophdr); | |
220 | v += phdr_size; | |
221 | } | |
222 | ||
223 | of->write_output_view(this->offset(), all_phdrs_size, view); | |
75f65a3e ILT |
224 | } |
225 | ||
226 | // Output_file_header methods. | |
227 | ||
228 | Output_file_header::Output_file_header(int size, | |
61ba1cf9 | 229 | bool big_endian, |
75f65a3e ILT |
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 | target_(target), |
236 | symtab_(symtab), | |
61ba1cf9 | 237 | segment_header_(osh), |
75f65a3e ILT |
238 | section_header_(NULL), |
239 | shstrtab_(NULL) | |
240 | { | |
61ba1cf9 ILT |
241 | int ehdr_size; |
242 | if (size == 32) | |
243 | ehdr_size = elfcpp::Elf_sizes<32>::ehdr_size; | |
244 | else if (size == 64) | |
245 | ehdr_size = elfcpp::Elf_sizes<64>::ehdr_size; | |
246 | else | |
a3ad94ed | 247 | gold_unreachable(); |
61ba1cf9 ILT |
248 | |
249 | this->set_data_size(ehdr_size); | |
75f65a3e ILT |
250 | } |
251 | ||
252 | // Set the section table information for a file header. | |
253 | ||
254 | void | |
255 | Output_file_header::set_section_info(const Output_section_headers* shdrs, | |
256 | const Output_section* shstrtab) | |
257 | { | |
258 | this->section_header_ = shdrs; | |
259 | this->shstrtab_ = shstrtab; | |
260 | } | |
261 | ||
262 | // Write out the file header. | |
263 | ||
264 | void | |
61ba1cf9 | 265 | Output_file_header::do_write(Output_file* of) |
54dc6425 | 266 | { |
61ba1cf9 ILT |
267 | if (this->size_ == 32) |
268 | { | |
269 | if (this->big_endian_) | |
270 | this->do_sized_write<32, true>(of); | |
271 | else | |
272 | this->do_sized_write<32, false>(of); | |
273 | } | |
274 | else if (this->size_ == 64) | |
275 | { | |
276 | if (this->big_endian_) | |
277 | this->do_sized_write<64, true>(of); | |
278 | else | |
279 | this->do_sized_write<64, false>(of); | |
280 | } | |
281 | else | |
a3ad94ed | 282 | gold_unreachable(); |
61ba1cf9 ILT |
283 | } |
284 | ||
285 | // Write out the file header with appropriate size and endianess. | |
286 | ||
287 | template<int size, bool big_endian> | |
288 | void | |
289 | Output_file_header::do_sized_write(Output_file* of) | |
290 | { | |
a3ad94ed | 291 | gold_assert(this->offset() == 0); |
61ba1cf9 ILT |
292 | |
293 | int ehdr_size = elfcpp::Elf_sizes<size>::ehdr_size; | |
294 | unsigned char* view = of->get_output_view(0, ehdr_size); | |
295 | elfcpp::Ehdr_write<size, big_endian> oehdr(view); | |
296 | ||
297 | unsigned char e_ident[elfcpp::EI_NIDENT]; | |
298 | memset(e_ident, 0, elfcpp::EI_NIDENT); | |
299 | e_ident[elfcpp::EI_MAG0] = elfcpp::ELFMAG0; | |
300 | e_ident[elfcpp::EI_MAG1] = elfcpp::ELFMAG1; | |
301 | e_ident[elfcpp::EI_MAG2] = elfcpp::ELFMAG2; | |
302 | e_ident[elfcpp::EI_MAG3] = elfcpp::ELFMAG3; | |
303 | if (size == 32) | |
304 | e_ident[elfcpp::EI_CLASS] = elfcpp::ELFCLASS32; | |
305 | else if (size == 64) | |
306 | e_ident[elfcpp::EI_CLASS] = elfcpp::ELFCLASS64; | |
307 | else | |
a3ad94ed | 308 | gold_unreachable(); |
61ba1cf9 ILT |
309 | e_ident[elfcpp::EI_DATA] = (big_endian |
310 | ? elfcpp::ELFDATA2MSB | |
311 | : elfcpp::ELFDATA2LSB); | |
312 | e_ident[elfcpp::EI_VERSION] = elfcpp::EV_CURRENT; | |
313 | // FIXME: Some targets may need to set EI_OSABI and EI_ABIVERSION. | |
314 | oehdr.put_e_ident(e_ident); | |
315 | ||
316 | elfcpp::ET e_type; | |
317 | // FIXME: ET_DYN. | |
7e1edb90 | 318 | if (parameters->output_is_object()) |
61ba1cf9 ILT |
319 | e_type = elfcpp::ET_REL; |
320 | else | |
321 | e_type = elfcpp::ET_EXEC; | |
322 | oehdr.put_e_type(e_type); | |
323 | ||
324 | oehdr.put_e_machine(this->target_->machine_code()); | |
325 | oehdr.put_e_version(elfcpp::EV_CURRENT); | |
326 | ||
ead1e424 | 327 | // FIXME: Need to support -e, and target specific entry symbol. |
61ba1cf9 ILT |
328 | Symbol* sym = this->symtab_->lookup("_start"); |
329 | typename Sized_symbol<size>::Value_type v; | |
330 | if (sym == NULL) | |
331 | v = 0; | |
332 | else | |
333 | { | |
334 | Sized_symbol<size>* ssym; | |
593f47df | 335 | ssym = this->symtab_->get_sized_symbol SELECT_SIZE_NAME(size) ( |
5482377d | 336 | sym SELECT_SIZE(size)); |
61ba1cf9 ILT |
337 | v = ssym->value(); |
338 | } | |
339 | oehdr.put_e_entry(v); | |
340 | ||
341 | oehdr.put_e_phoff(this->segment_header_->offset()); | |
342 | oehdr.put_e_shoff(this->section_header_->offset()); | |
343 | ||
344 | // FIXME: The target needs to set the flags. | |
345 | oehdr.put_e_flags(0); | |
346 | ||
347 | oehdr.put_e_ehsize(elfcpp::Elf_sizes<size>::ehdr_size); | |
348 | oehdr.put_e_phentsize(elfcpp::Elf_sizes<size>::phdr_size); | |
349 | oehdr.put_e_phnum(this->segment_header_->data_size() | |
350 | / elfcpp::Elf_sizes<size>::phdr_size); | |
351 | oehdr.put_e_shentsize(elfcpp::Elf_sizes<size>::shdr_size); | |
352 | oehdr.put_e_shnum(this->section_header_->data_size() | |
353 | / elfcpp::Elf_sizes<size>::shdr_size); | |
ead1e424 | 354 | oehdr.put_e_shstrndx(this->shstrtab_->out_shndx()); |
61ba1cf9 ILT |
355 | |
356 | of->write_output_view(0, ehdr_size, view); | |
54dc6425 ILT |
357 | } |
358 | ||
dbe717ef ILT |
359 | // Output_data_const methods. |
360 | ||
361 | void | |
a3ad94ed | 362 | Output_data_const::do_write(Output_file* of) |
dbe717ef | 363 | { |
a3ad94ed ILT |
364 | of->write(this->offset(), this->data_.data(), this->data_.size()); |
365 | } | |
366 | ||
367 | // Output_data_const_buffer methods. | |
368 | ||
369 | void | |
370 | Output_data_const_buffer::do_write(Output_file* of) | |
371 | { | |
372 | of->write(this->offset(), this->p_, this->data_size()); | |
dbe717ef ILT |
373 | } |
374 | ||
375 | // Output_section_data methods. | |
376 | ||
16649710 ILT |
377 | // Record the output section, and set the entry size and such. |
378 | ||
379 | void | |
380 | Output_section_data::set_output_section(Output_section* os) | |
381 | { | |
382 | gold_assert(this->output_section_ == NULL); | |
383 | this->output_section_ = os; | |
384 | this->do_adjust_output_section(os); | |
385 | } | |
386 | ||
387 | // Return the section index of the output section. | |
388 | ||
dbe717ef ILT |
389 | unsigned int |
390 | Output_section_data::do_out_shndx() const | |
391 | { | |
a3ad94ed | 392 | gold_assert(this->output_section_ != NULL); |
dbe717ef ILT |
393 | return this->output_section_->out_shndx(); |
394 | } | |
395 | ||
a3ad94ed ILT |
396 | // Output_data_strtab methods. |
397 | ||
398 | // Set the address. We don't actually care about the address, but we | |
399 | // do set our final size. | |
400 | ||
401 | void | |
402 | Output_data_strtab::do_set_address(uint64_t, off_t) | |
403 | { | |
404 | this->strtab_->set_string_offsets(); | |
405 | this->set_data_size(this->strtab_->get_strtab_size()); | |
406 | } | |
407 | ||
408 | // Write out a string table. | |
409 | ||
410 | void | |
411 | Output_data_strtab::do_write(Output_file* of) | |
412 | { | |
413 | this->strtab_->write(of, this->offset()); | |
414 | } | |
415 | ||
c06b7b0b ILT |
416 | // Output_reloc methods. |
417 | ||
418 | // Get the symbol index of a relocation. | |
419 | ||
420 | template<bool dynamic, int size, bool big_endian> | |
421 | unsigned int | |
422 | Output_reloc<elfcpp::SHT_REL, dynamic, size, big_endian>::get_symbol_index() | |
423 | const | |
424 | { | |
425 | unsigned int index; | |
426 | switch (this->local_sym_index_) | |
427 | { | |
428 | case INVALID_CODE: | |
a3ad94ed | 429 | gold_unreachable(); |
c06b7b0b ILT |
430 | |
431 | case GSYM_CODE: | |
5a6f7e2d | 432 | if (this->u1_.gsym == NULL) |
c06b7b0b ILT |
433 | index = 0; |
434 | else if (dynamic) | |
5a6f7e2d | 435 | index = this->u1_.gsym->dynsym_index(); |
c06b7b0b | 436 | else |
5a6f7e2d | 437 | index = this->u1_.gsym->symtab_index(); |
c06b7b0b ILT |
438 | break; |
439 | ||
440 | case SECTION_CODE: | |
441 | if (dynamic) | |
5a6f7e2d | 442 | index = this->u1_.os->dynsym_index(); |
c06b7b0b | 443 | else |
5a6f7e2d | 444 | index = this->u1_.os->symtab_index(); |
c06b7b0b ILT |
445 | break; |
446 | ||
447 | default: | |
448 | if (dynamic) | |
449 | { | |
450 | // FIXME: It seems that some targets may need to generate | |
451 | // dynamic relocations against local symbols for some | |
452 | // reasons. This will have to be addressed at some point. | |
a3ad94ed | 453 | gold_unreachable(); |
c06b7b0b ILT |
454 | } |
455 | else | |
5a6f7e2d | 456 | index = this->u1_.relobj->symtab_index(this->local_sym_index_); |
c06b7b0b ILT |
457 | break; |
458 | } | |
a3ad94ed | 459 | gold_assert(index != -1U); |
c06b7b0b ILT |
460 | return index; |
461 | } | |
462 | ||
463 | // Write out the offset and info fields of a Rel or Rela relocation | |
464 | // entry. | |
465 | ||
466 | template<bool dynamic, int size, bool big_endian> | |
467 | template<typename Write_rel> | |
468 | void | |
469 | Output_reloc<elfcpp::SHT_REL, dynamic, size, big_endian>::write_rel( | |
470 | Write_rel* wr) const | |
471 | { | |
a3ad94ed | 472 | Address address = this->address_; |
5a6f7e2d ILT |
473 | if (this->shndx_ != INVALID_CODE) |
474 | { | |
475 | off_t off; | |
476 | Output_section* os = this->u2_.relobj->output_section(this->shndx_, | |
477 | &off); | |
478 | gold_assert(os != NULL); | |
479 | address += os->address() + off; | |
480 | } | |
481 | else if (this->u2_.od != NULL) | |
482 | address += this->u2_.od->address(); | |
a3ad94ed | 483 | wr->put_r_offset(address); |
c06b7b0b ILT |
484 | wr->put_r_info(elfcpp::elf_r_info<size>(this->get_symbol_index(), |
485 | this->type_)); | |
486 | } | |
487 | ||
488 | // Write out a Rel relocation. | |
489 | ||
490 | template<bool dynamic, int size, bool big_endian> | |
491 | void | |
492 | Output_reloc<elfcpp::SHT_REL, dynamic, size, big_endian>::write( | |
493 | unsigned char* pov) const | |
494 | { | |
495 | elfcpp::Rel_write<size, big_endian> orel(pov); | |
496 | this->write_rel(&orel); | |
497 | } | |
498 | ||
499 | // Write out a Rela relocation. | |
500 | ||
501 | template<bool dynamic, int size, bool big_endian> | |
502 | void | |
503 | Output_reloc<elfcpp::SHT_RELA, dynamic, size, big_endian>::write( | |
504 | unsigned char* pov) const | |
505 | { | |
506 | elfcpp::Rela_write<size, big_endian> orel(pov); | |
507 | this->rel_.write_rel(&orel); | |
508 | orel.put_r_addend(this->addend_); | |
509 | } | |
510 | ||
511 | // Output_data_reloc_base methods. | |
512 | ||
16649710 ILT |
513 | // Adjust the output section. |
514 | ||
515 | template<int sh_type, bool dynamic, int size, bool big_endian> | |
516 | void | |
517 | Output_data_reloc_base<sh_type, dynamic, size, big_endian> | |
518 | ::do_adjust_output_section(Output_section* os) | |
519 | { | |
520 | if (sh_type == elfcpp::SHT_REL) | |
521 | os->set_entsize(elfcpp::Elf_sizes<size>::rel_size); | |
522 | else if (sh_type == elfcpp::SHT_RELA) | |
523 | os->set_entsize(elfcpp::Elf_sizes<size>::rela_size); | |
524 | else | |
525 | gold_unreachable(); | |
526 | if (dynamic) | |
527 | os->set_should_link_to_dynsym(); | |
528 | else | |
529 | os->set_should_link_to_symtab(); | |
530 | } | |
531 | ||
c06b7b0b ILT |
532 | // Write out relocation data. |
533 | ||
534 | template<int sh_type, bool dynamic, int size, bool big_endian> | |
535 | void | |
536 | Output_data_reloc_base<sh_type, dynamic, size, big_endian>::do_write( | |
537 | Output_file* of) | |
538 | { | |
539 | const off_t off = this->offset(); | |
540 | const off_t oview_size = this->data_size(); | |
541 | unsigned char* const oview = of->get_output_view(off, oview_size); | |
542 | ||
543 | unsigned char* pov = oview; | |
544 | for (typename Relocs::const_iterator p = this->relocs_.begin(); | |
545 | p != this->relocs_.end(); | |
546 | ++p) | |
547 | { | |
548 | p->write(pov); | |
549 | pov += reloc_size; | |
550 | } | |
551 | ||
a3ad94ed | 552 | gold_assert(pov - oview == oview_size); |
c06b7b0b ILT |
553 | |
554 | of->write_output_view(off, oview_size, oview); | |
555 | ||
556 | // We no longer need the relocation entries. | |
557 | this->relocs_.clear(); | |
558 | } | |
559 | ||
dbe717ef | 560 | // Output_data_got::Got_entry methods. |
ead1e424 ILT |
561 | |
562 | // Write out the entry. | |
563 | ||
564 | template<int size, bool big_endian> | |
565 | void | |
7e1edb90 | 566 | Output_data_got<size, big_endian>::Got_entry::write(unsigned char* pov) const |
ead1e424 ILT |
567 | { |
568 | Valtype val = 0; | |
569 | ||
570 | switch (this->local_sym_index_) | |
571 | { | |
572 | case GSYM_CODE: | |
573 | { | |
574 | Symbol* gsym = this->u_.gsym; | |
575 | ||
576 | // If the symbol is resolved locally, we need to write out its | |
577 | // value. Otherwise we just write zero. The target code is | |
578 | // responsible for creating a relocation entry to fill in the | |
579 | // value at runtime. | |
7e1edb90 | 580 | if (gsym->final_value_is_known()) |
ead1e424 ILT |
581 | { |
582 | Sized_symbol<size>* sgsym; | |
583 | // This cast is a bit ugly. We don't want to put a | |
584 | // virtual method in Symbol, because we want Symbol to be | |
585 | // as small as possible. | |
586 | sgsym = static_cast<Sized_symbol<size>*>(gsym); | |
587 | val = sgsym->value(); | |
588 | } | |
589 | } | |
590 | break; | |
591 | ||
592 | case CONSTANT_CODE: | |
593 | val = this->u_.constant; | |
594 | break; | |
595 | ||
596 | default: | |
a3ad94ed | 597 | gold_unreachable(); |
ead1e424 ILT |
598 | } |
599 | ||
a3ad94ed | 600 | elfcpp::Swap<size, big_endian>::writeval(pov, val); |
ead1e424 ILT |
601 | } |
602 | ||
dbe717ef | 603 | // Output_data_got methods. |
ead1e424 | 604 | |
dbe717ef ILT |
605 | // Add an entry for a global symbol to the GOT. This returns true if |
606 | // this is a new GOT entry, false if the symbol already had a GOT | |
607 | // entry. | |
608 | ||
609 | template<int size, bool big_endian> | |
610 | bool | |
611 | Output_data_got<size, big_endian>::add_global(Symbol* gsym) | |
ead1e424 | 612 | { |
dbe717ef ILT |
613 | if (gsym->has_got_offset()) |
614 | return false; | |
ead1e424 | 615 | |
dbe717ef ILT |
616 | this->entries_.push_back(Got_entry(gsym)); |
617 | this->set_got_size(); | |
618 | gsym->set_got_offset(this->last_got_offset()); | |
619 | return true; | |
620 | } | |
ead1e424 ILT |
621 | |
622 | // Write out the GOT. | |
623 | ||
624 | template<int size, bool big_endian> | |
625 | void | |
dbe717ef | 626 | Output_data_got<size, big_endian>::do_write(Output_file* of) |
ead1e424 ILT |
627 | { |
628 | const int add = size / 8; | |
629 | ||
630 | const off_t off = this->offset(); | |
c06b7b0b | 631 | const off_t oview_size = this->data_size(); |
ead1e424 ILT |
632 | unsigned char* const oview = of->get_output_view(off, oview_size); |
633 | ||
634 | unsigned char* pov = oview; | |
635 | for (typename Got_entries::const_iterator p = this->entries_.begin(); | |
636 | p != this->entries_.end(); | |
637 | ++p) | |
638 | { | |
7e1edb90 | 639 | p->write(pov); |
ead1e424 ILT |
640 | pov += add; |
641 | } | |
642 | ||
a3ad94ed | 643 | gold_assert(pov - oview == oview_size); |
c06b7b0b | 644 | |
ead1e424 ILT |
645 | of->write_output_view(off, oview_size, oview); |
646 | ||
647 | // We no longer need the GOT entries. | |
648 | this->entries_.clear(); | |
649 | } | |
650 | ||
a3ad94ed ILT |
651 | // Output_data_dynamic::Dynamic_entry methods. |
652 | ||
653 | // Write out the entry. | |
654 | ||
655 | template<int size, bool big_endian> | |
656 | void | |
657 | Output_data_dynamic::Dynamic_entry::write( | |
658 | unsigned char* pov, | |
1ddbd1e6 ILT |
659 | const Stringpool* pool |
660 | ACCEPT_SIZE_ENDIAN) const | |
a3ad94ed ILT |
661 | { |
662 | typename elfcpp::Elf_types<size>::Elf_WXword val; | |
663 | switch (this->classification_) | |
664 | { | |
665 | case DYNAMIC_NUMBER: | |
666 | val = this->u_.val; | |
667 | break; | |
668 | ||
669 | case DYNAMIC_SECTION_ADDRESS: | |
16649710 | 670 | val = this->u_.od->address(); |
a3ad94ed ILT |
671 | break; |
672 | ||
673 | case DYNAMIC_SECTION_SIZE: | |
16649710 | 674 | val = this->u_.od->data_size(); |
a3ad94ed ILT |
675 | break; |
676 | ||
677 | case DYNAMIC_SYMBOL: | |
678 | { | |
16649710 ILT |
679 | const Sized_symbol<size>* s = |
680 | static_cast<const Sized_symbol<size>*>(this->u_.sym); | |
a3ad94ed ILT |
681 | val = s->value(); |
682 | } | |
683 | break; | |
684 | ||
685 | case DYNAMIC_STRING: | |
686 | val = pool->get_offset(this->u_.str); | |
687 | break; | |
688 | ||
689 | default: | |
690 | gold_unreachable(); | |
691 | } | |
692 | ||
693 | elfcpp::Dyn_write<size, big_endian> dw(pov); | |
694 | dw.put_d_tag(this->tag_); | |
695 | dw.put_d_val(val); | |
696 | } | |
697 | ||
698 | // Output_data_dynamic methods. | |
699 | ||
16649710 ILT |
700 | // Adjust the output section to set the entry size. |
701 | ||
702 | void | |
703 | Output_data_dynamic::do_adjust_output_section(Output_section* os) | |
704 | { | |
705 | if (this->target_->get_size() == 32) | |
706 | os->set_entsize(elfcpp::Elf_sizes<32>::dyn_size); | |
707 | else if (this->target_->get_size() == 64) | |
708 | os->set_entsize(elfcpp::Elf_sizes<64>::dyn_size); | |
709 | else | |
710 | gold_unreachable(); | |
711 | } | |
712 | ||
a3ad94ed ILT |
713 | // Set the final data size. |
714 | ||
715 | void | |
716 | Output_data_dynamic::do_set_address(uint64_t, off_t) | |
717 | { | |
718 | // Add the terminating entry. | |
719 | this->add_constant(elfcpp::DT_NULL, 0); | |
720 | ||
721 | int dyn_size; | |
722 | if (this->target_->get_size() == 32) | |
723 | dyn_size = elfcpp::Elf_sizes<32>::dyn_size; | |
724 | else if (this->target_->get_size() == 64) | |
725 | dyn_size = elfcpp::Elf_sizes<64>::dyn_size; | |
726 | else | |
727 | gold_unreachable(); | |
728 | this->set_data_size(this->entries_.size() * dyn_size); | |
729 | } | |
730 | ||
731 | // Write out the dynamic entries. | |
732 | ||
733 | void | |
734 | Output_data_dynamic::do_write(Output_file* of) | |
735 | { | |
736 | if (this->target_->get_size() == 32) | |
737 | { | |
738 | if (this->target_->is_big_endian()) | |
739 | this->sized_write<32, true>(of); | |
740 | else | |
741 | this->sized_write<32, false>(of); | |
742 | } | |
743 | else if (this->target_->get_size() == 64) | |
744 | { | |
745 | if (this->target_->is_big_endian()) | |
746 | this->sized_write<64, true>(of); | |
747 | else | |
748 | this->sized_write<64, false>(of); | |
749 | } | |
750 | else | |
751 | gold_unreachable(); | |
752 | } | |
753 | ||
754 | template<int size, bool big_endian> | |
755 | void | |
756 | Output_data_dynamic::sized_write(Output_file* of) | |
757 | { | |
758 | const int dyn_size = elfcpp::Elf_sizes<size>::dyn_size; | |
759 | ||
760 | const off_t offset = this->offset(); | |
761 | const off_t oview_size = this->data_size(); | |
762 | unsigned char* const oview = of->get_output_view(offset, oview_size); | |
763 | ||
764 | unsigned char* pov = oview; | |
765 | for (typename Dynamic_entries::const_iterator p = this->entries_.begin(); | |
766 | p != this->entries_.end(); | |
767 | ++p) | |
768 | { | |
1ddbd1e6 ILT |
769 | p->write SELECT_SIZE_ENDIAN_NAME(size, big_endian)( |
770 | pov, this->pool_ SELECT_SIZE_ENDIAN(size, big_endian)); | |
a3ad94ed ILT |
771 | pov += dyn_size; |
772 | } | |
773 | ||
774 | gold_assert(pov - oview == oview_size); | |
775 | ||
776 | of->write_output_view(offset, oview_size, oview); | |
777 | ||
778 | // We no longer need the dynamic entries. | |
779 | this->entries_.clear(); | |
780 | } | |
781 | ||
ead1e424 ILT |
782 | // Output_section::Input_section methods. |
783 | ||
784 | // Return the data size. For an input section we store the size here. | |
785 | // For an Output_section_data, we have to ask it for the size. | |
786 | ||
787 | off_t | |
788 | Output_section::Input_section::data_size() const | |
789 | { | |
790 | if (this->is_input_section()) | |
b8e6aad9 | 791 | return this->u1_.data_size; |
ead1e424 | 792 | else |
b8e6aad9 | 793 | return this->u2_.posd->data_size(); |
ead1e424 ILT |
794 | } |
795 | ||
796 | // Set the address and file offset. | |
797 | ||
798 | void | |
799 | Output_section::Input_section::set_address(uint64_t addr, off_t off, | |
800 | off_t secoff) | |
801 | { | |
802 | if (this->is_input_section()) | |
b8e6aad9 | 803 | this->u2_.object->set_section_offset(this->shndx_, off - secoff); |
ead1e424 | 804 | else |
b8e6aad9 ILT |
805 | this->u2_.posd->set_address(addr, off); |
806 | } | |
807 | ||
808 | // Try to turn an input address into an output address. | |
809 | ||
810 | bool | |
811 | Output_section::Input_section::output_address(const Relobj* object, | |
812 | unsigned int shndx, | |
813 | off_t offset, | |
814 | uint64_t output_section_address, | |
815 | uint64_t *poutput) const | |
816 | { | |
817 | if (!this->is_input_section()) | |
818 | return this->u2_.posd->output_address(object, shndx, offset, | |
819 | output_section_address, poutput); | |
820 | else | |
821 | { | |
822 | if (this->u2_.object != object) | |
823 | return false; | |
824 | off_t output_offset; | |
825 | Output_section* os = object->output_section(shndx, &output_offset); | |
826 | gold_assert(os != NULL); | |
827 | *poutput = output_section_address + output_offset + offset; | |
828 | return true; | |
829 | } | |
ead1e424 ILT |
830 | } |
831 | ||
832 | // Write out the data. We don't have to do anything for an input | |
833 | // section--they are handled via Object::relocate--but this is where | |
834 | // we write out the data for an Output_section_data. | |
835 | ||
836 | void | |
837 | Output_section::Input_section::write(Output_file* of) | |
838 | { | |
839 | if (!this->is_input_section()) | |
b8e6aad9 | 840 | this->u2_.posd->write(of); |
ead1e424 ILT |
841 | } |
842 | ||
a2fb1b05 ILT |
843 | // Output_section methods. |
844 | ||
845 | // Construct an Output_section. NAME will point into a Stringpool. | |
846 | ||
847 | Output_section::Output_section(const char* name, elfcpp::Elf_Word type, | |
b8e6aad9 | 848 | elfcpp::Elf_Xword flags) |
a2fb1b05 | 849 | : name_(name), |
a2fb1b05 ILT |
850 | addralign_(0), |
851 | entsize_(0), | |
16649710 | 852 | link_section_(NULL), |
a2fb1b05 | 853 | link_(0), |
16649710 | 854 | info_section_(NULL), |
a2fb1b05 ILT |
855 | info_(0), |
856 | type_(type), | |
61ba1cf9 | 857 | flags_(flags), |
ead1e424 | 858 | out_shndx_(0), |
c06b7b0b ILT |
859 | symtab_index_(0), |
860 | dynsym_index_(0), | |
ead1e424 ILT |
861 | input_sections_(), |
862 | first_input_offset_(0), | |
c51e6221 | 863 | fills_(), |
a3ad94ed | 864 | needs_symtab_index_(false), |
16649710 ILT |
865 | needs_dynsym_index_(false), |
866 | should_link_to_symtab_(false), | |
867 | should_link_to_dynsym_(false) | |
a2fb1b05 ILT |
868 | { |
869 | } | |
870 | ||
54dc6425 ILT |
871 | Output_section::~Output_section() |
872 | { | |
873 | } | |
874 | ||
16649710 ILT |
875 | // Set the entry size. |
876 | ||
877 | void | |
878 | Output_section::set_entsize(uint64_t v) | |
879 | { | |
880 | if (this->entsize_ == 0) | |
881 | this->entsize_ = v; | |
882 | else | |
883 | gold_assert(this->entsize_ == v); | |
884 | } | |
885 | ||
ead1e424 ILT |
886 | // Add the input section SHNDX, with header SHDR, named SECNAME, in |
887 | // OBJECT, to the Output_section. Return the offset of the input | |
888 | // section within the output section. We don't always keep track of | |
a2fb1b05 ILT |
889 | // input sections for an Output_section. Instead, each Object keeps |
890 | // track of the Output_section for each of its input sections. | |
891 | ||
892 | template<int size, bool big_endian> | |
893 | off_t | |
f6ce93d6 | 894 | Output_section::add_input_section(Relobj* object, unsigned int shndx, |
ead1e424 | 895 | const char* secname, |
a2fb1b05 ILT |
896 | const elfcpp::Shdr<size, big_endian>& shdr) |
897 | { | |
898 | elfcpp::Elf_Xword addralign = shdr.get_sh_addralign(); | |
899 | if ((addralign & (addralign - 1)) != 0) | |
900 | { | |
901 | fprintf(stderr, _("%s: %s: invalid alignment %lu for section \"%s\"\n"), | |
902 | program_name, object->name().c_str(), | |
903 | static_cast<unsigned long>(addralign), secname); | |
904 | gold_exit(false); | |
905 | } | |
a2fb1b05 ILT |
906 | |
907 | if (addralign > this->addralign_) | |
908 | this->addralign_ = addralign; | |
909 | ||
b8e6aad9 ILT |
910 | // If this is a SHF_MERGE section, we pass all the input sections to |
911 | // a Output_data_merge. | |
912 | if ((shdr.get_sh_flags() & elfcpp::SHF_MERGE) != 0) | |
913 | { | |
914 | if (this->add_merge_input_section(object, shndx, shdr.get_sh_flags(), | |
915 | shdr.get_sh_entsize(), | |
916 | addralign)) | |
917 | { | |
918 | // Tell the relocation routines that they need to call the | |
919 | // output_address method to determine the final address. | |
920 | return -1; | |
921 | } | |
922 | } | |
923 | ||
c51e6221 ILT |
924 | off_t offset_in_section = this->data_size(); |
925 | off_t aligned_offset_in_section = align_address(offset_in_section, | |
926 | addralign); | |
927 | ||
928 | if (aligned_offset_in_section > offset_in_section | |
929 | && (shdr.get_sh_flags() & elfcpp::SHF_EXECINSTR) != 0 | |
930 | && object->target()->has_code_fill()) | |
931 | { | |
932 | // We need to add some fill data. Using fill_list_ when | |
933 | // possible is an optimization, since we will often have fill | |
934 | // sections without input sections. | |
935 | off_t fill_len = aligned_offset_in_section - offset_in_section; | |
936 | if (this->input_sections_.empty()) | |
937 | this->fills_.push_back(Fill(offset_in_section, fill_len)); | |
938 | else | |
939 | { | |
940 | // FIXME: When relaxing, the size needs to adjust to | |
941 | // maintain a constant alignment. | |
942 | std::string fill_data(object->target()->code_fill(fill_len)); | |
943 | Output_data_const* odc = new Output_data_const(fill_data, 1); | |
944 | this->input_sections_.push_back(Input_section(odc)); | |
945 | } | |
946 | } | |
947 | ||
948 | this->set_data_size(aligned_offset_in_section + shdr.get_sh_size()); | |
a2fb1b05 | 949 | |
ead1e424 ILT |
950 | // We need to keep track of this section if we are already keeping |
951 | // track of sections, or if we are relaxing. FIXME: Add test for | |
952 | // relaxing. | |
c51e6221 | 953 | if (!this->input_sections_.empty()) |
ead1e424 ILT |
954 | this->input_sections_.push_back(Input_section(object, shndx, |
955 | shdr.get_sh_size(), | |
956 | addralign)); | |
54dc6425 | 957 | |
c51e6221 | 958 | return aligned_offset_in_section; |
61ba1cf9 ILT |
959 | } |
960 | ||
ead1e424 ILT |
961 | // Add arbitrary data to an output section. |
962 | ||
963 | void | |
964 | Output_section::add_output_section_data(Output_section_data* posd) | |
965 | { | |
b8e6aad9 ILT |
966 | Input_section inp(posd); |
967 | this->add_output_section_data(&inp); | |
968 | } | |
969 | ||
970 | // Add arbitrary data to an output section by Input_section. | |
c06b7b0b | 971 | |
b8e6aad9 ILT |
972 | void |
973 | Output_section::add_output_section_data(Input_section* inp) | |
974 | { | |
ead1e424 ILT |
975 | if (this->input_sections_.empty()) |
976 | this->first_input_offset_ = this->data_size(); | |
c06b7b0b | 977 | |
b8e6aad9 | 978 | this->input_sections_.push_back(*inp); |
c06b7b0b | 979 | |
b8e6aad9 | 980 | uint64_t addralign = inp->addralign(); |
ead1e424 ILT |
981 | if (addralign > this->addralign_) |
982 | this->addralign_ = addralign; | |
c06b7b0b | 983 | |
b8e6aad9 ILT |
984 | inp->set_output_section(this); |
985 | } | |
986 | ||
987 | // Add a merge section to an output section. | |
988 | ||
989 | void | |
990 | Output_section::add_output_merge_section(Output_section_data* posd, | |
991 | bool is_string, uint64_t entsize) | |
992 | { | |
993 | Input_section inp(posd, is_string, entsize); | |
994 | this->add_output_section_data(&inp); | |
995 | } | |
996 | ||
997 | // Add an input section to a SHF_MERGE section. | |
998 | ||
999 | bool | |
1000 | Output_section::add_merge_input_section(Relobj* object, unsigned int shndx, | |
1001 | uint64_t flags, uint64_t entsize, | |
1002 | uint64_t addralign) | |
1003 | { | |
1004 | // We only merge constants if the alignment is not more than the | |
1005 | // entry size. This could be handled, but it's unusual. | |
1006 | if (addralign > entsize) | |
1007 | return false; | |
1008 | ||
1009 | bool is_string = (flags & elfcpp::SHF_STRINGS) != 0; | |
1010 | Input_section_list::iterator p; | |
1011 | for (p = this->input_sections_.begin(); | |
1012 | p != this->input_sections_.end(); | |
1013 | ++p) | |
1014 | if (p->is_merge_section(is_string, entsize)) | |
1015 | break; | |
1016 | ||
1017 | // We handle the actual constant merging in Output_merge_data or | |
1018 | // Output_merge_string_data. | |
1019 | if (p != this->input_sections_.end()) | |
1020 | p->add_input_section(object, shndx); | |
1021 | else | |
1022 | { | |
1023 | Output_section_data* posd; | |
1024 | if (!is_string) | |
1025 | posd = new Output_merge_data(entsize); | |
1026 | else if (entsize == 1) | |
1027 | posd = new Output_merge_string<char>(); | |
1028 | else if (entsize == 2) | |
1029 | posd = new Output_merge_string<uint16_t>(); | |
1030 | else if (entsize == 4) | |
1031 | posd = new Output_merge_string<uint32_t>(); | |
1032 | else | |
1033 | return false; | |
1034 | ||
1035 | this->add_output_merge_section(posd, is_string, entsize); | |
1036 | posd->add_input_section(object, shndx); | |
1037 | } | |
1038 | ||
1039 | return true; | |
1040 | } | |
1041 | ||
1042 | // Return the output virtual address of OFFSET relative to the start | |
1043 | // of input section SHNDX in object OBJECT. | |
1044 | ||
1045 | uint64_t | |
1046 | Output_section::output_address(const Relobj* object, unsigned int shndx, | |
1047 | off_t offset) const | |
1048 | { | |
1049 | uint64_t addr = this->address() + this->first_input_offset_; | |
1050 | for (Input_section_list::const_iterator p = this->input_sections_.begin(); | |
1051 | p != this->input_sections_.end(); | |
1052 | ++p) | |
1053 | { | |
1054 | addr = align_address(addr, p->addralign()); | |
1055 | uint64_t output; | |
1056 | if (p->output_address(object, shndx, offset, addr, &output)) | |
1057 | return output; | |
1058 | addr += p->data_size(); | |
1059 | } | |
1060 | ||
1061 | // If we get here, it means that we don't know the mapping for this | |
1062 | // input section. This might happen in principle if | |
1063 | // add_input_section were called before add_output_section_data. | |
1064 | // But it should never actually happen. | |
1065 | ||
1066 | gold_unreachable(); | |
ead1e424 ILT |
1067 | } |
1068 | ||
1069 | // Set the address of an Output_section. This is where we handle | |
1070 | // setting the addresses of any Output_section_data objects. | |
1071 | ||
1072 | void | |
1073 | Output_section::do_set_address(uint64_t address, off_t startoff) | |
1074 | { | |
1075 | if (this->input_sections_.empty()) | |
1076 | return; | |
1077 | ||
1078 | off_t off = startoff + this->first_input_offset_; | |
1079 | for (Input_section_list::iterator p = this->input_sections_.begin(); | |
1080 | p != this->input_sections_.end(); | |
1081 | ++p) | |
1082 | { | |
1083 | off = align_address(off, p->addralign()); | |
1084 | p->set_address(address + (off - startoff), off, startoff); | |
1085 | off += p->data_size(); | |
1086 | } | |
1087 | ||
1088 | this->set_data_size(off - startoff); | |
1089 | } | |
1090 | ||
61ba1cf9 ILT |
1091 | // Write the section header to *OSHDR. |
1092 | ||
1093 | template<int size, bool big_endian> | |
1094 | void | |
16649710 ILT |
1095 | Output_section::write_header(const Layout* layout, |
1096 | const Stringpool* secnamepool, | |
61ba1cf9 ILT |
1097 | elfcpp::Shdr_write<size, big_endian>* oshdr) const |
1098 | { | |
1099 | oshdr->put_sh_name(secnamepool->get_offset(this->name_)); | |
1100 | oshdr->put_sh_type(this->type_); | |
1101 | oshdr->put_sh_flags(this->flags_); | |
1102 | oshdr->put_sh_addr(this->address()); | |
1103 | oshdr->put_sh_offset(this->offset()); | |
1104 | oshdr->put_sh_size(this->data_size()); | |
16649710 ILT |
1105 | if (this->link_section_ != NULL) |
1106 | oshdr->put_sh_link(this->link_section_->out_shndx()); | |
1107 | else if (this->should_link_to_symtab_) | |
1108 | oshdr->put_sh_link(layout->symtab_section()->out_shndx()); | |
1109 | else if (this->should_link_to_dynsym_) | |
1110 | oshdr->put_sh_link(layout->dynsym_section()->out_shndx()); | |
1111 | else | |
1112 | oshdr->put_sh_link(this->link_); | |
1113 | if (this->info_section_ != NULL) | |
1114 | oshdr->put_sh_info(this->info_section_->out_shndx()); | |
1115 | else | |
1116 | oshdr->put_sh_info(this->info_); | |
61ba1cf9 ILT |
1117 | oshdr->put_sh_addralign(this->addralign_); |
1118 | oshdr->put_sh_entsize(this->entsize_); | |
a2fb1b05 ILT |
1119 | } |
1120 | ||
ead1e424 ILT |
1121 | // Write out the data. For input sections the data is written out by |
1122 | // Object::relocate, but we have to handle Output_section_data objects | |
1123 | // here. | |
1124 | ||
1125 | void | |
1126 | Output_section::do_write(Output_file* of) | |
1127 | { | |
c51e6221 ILT |
1128 | off_t output_section_file_offset = this->offset(); |
1129 | for (Fill_list::iterator p = this->fills_.begin(); | |
1130 | p != this->fills_.end(); | |
1131 | ++p) | |
1132 | { | |
1133 | std::string fill_data(of->target()->code_fill(p->length())); | |
1134 | of->write(output_section_file_offset + p->section_offset(), | |
1135 | fill_data.data(), fill_data.size()); | |
1136 | } | |
1137 | ||
ead1e424 ILT |
1138 | for (Input_section_list::iterator p = this->input_sections_.begin(); |
1139 | p != this->input_sections_.end(); | |
1140 | ++p) | |
1141 | p->write(of); | |
1142 | } | |
1143 | ||
a2fb1b05 ILT |
1144 | // Output segment methods. |
1145 | ||
1146 | Output_segment::Output_segment(elfcpp::Elf_Word type, elfcpp::Elf_Word flags) | |
54dc6425 | 1147 | : output_data_(), |
75f65a3e | 1148 | output_bss_(), |
a2fb1b05 ILT |
1149 | vaddr_(0), |
1150 | paddr_(0), | |
1151 | memsz_(0), | |
1152 | align_(0), | |
1153 | offset_(0), | |
1154 | filesz_(0), | |
1155 | type_(type), | |
ead1e424 ILT |
1156 | flags_(flags), |
1157 | is_align_known_(false) | |
a2fb1b05 ILT |
1158 | { |
1159 | } | |
1160 | ||
1161 | // Add an Output_section to an Output_segment. | |
1162 | ||
1163 | void | |
75f65a3e | 1164 | Output_segment::add_output_section(Output_section* os, |
dbe717ef ILT |
1165 | elfcpp::Elf_Word seg_flags, |
1166 | bool front) | |
a2fb1b05 | 1167 | { |
a3ad94ed ILT |
1168 | gold_assert((os->flags() & elfcpp::SHF_ALLOC) != 0); |
1169 | gold_assert(!this->is_align_known_); | |
75f65a3e | 1170 | |
ead1e424 | 1171 | // Update the segment flags. |
75f65a3e | 1172 | this->flags_ |= seg_flags; |
75f65a3e ILT |
1173 | |
1174 | Output_segment::Output_data_list* pdl; | |
1175 | if (os->type() == elfcpp::SHT_NOBITS) | |
1176 | pdl = &this->output_bss_; | |
1177 | else | |
1178 | pdl = &this->output_data_; | |
54dc6425 | 1179 | |
a2fb1b05 ILT |
1180 | // So that PT_NOTE segments will work correctly, we need to ensure |
1181 | // that all SHT_NOTE sections are adjacent. This will normally | |
1182 | // happen automatically, because all the SHT_NOTE input sections | |
1183 | // will wind up in the same output section. However, it is possible | |
1184 | // for multiple SHT_NOTE input sections to have different section | |
1185 | // flags, and thus be in different output sections, but for the | |
1186 | // different section flags to map into the same segment flags and | |
1187 | // thus the same output segment. | |
54dc6425 ILT |
1188 | |
1189 | // Note that while there may be many input sections in an output | |
1190 | // section, there are normally only a few output sections in an | |
1191 | // output segment. This loop is expected to be fast. | |
1192 | ||
61ba1cf9 | 1193 | if (os->type() == elfcpp::SHT_NOTE && !pdl->empty()) |
a2fb1b05 | 1194 | { |
a3ad94ed | 1195 | Output_segment::Output_data_list::iterator p = pdl->end(); |
75f65a3e | 1196 | do |
54dc6425 | 1197 | { |
75f65a3e | 1198 | --p; |
54dc6425 ILT |
1199 | if ((*p)->is_section_type(elfcpp::SHT_NOTE)) |
1200 | { | |
dbe717ef | 1201 | // We don't worry about the FRONT parameter. |
54dc6425 | 1202 | ++p; |
75f65a3e | 1203 | pdl->insert(p, os); |
54dc6425 ILT |
1204 | return; |
1205 | } | |
1206 | } | |
75f65a3e | 1207 | while (p != pdl->begin()); |
54dc6425 ILT |
1208 | } |
1209 | ||
1210 | // Similarly, so that PT_TLS segments will work, we need to group | |
75f65a3e ILT |
1211 | // SHF_TLS sections. An SHF_TLS/SHT_NOBITS section is a special |
1212 | // case: we group the SHF_TLS/SHT_NOBITS sections right after the | |
1213 | // SHF_TLS/SHT_PROGBITS sections. This lets us set up PT_TLS | |
1214 | // correctly. | |
61ba1cf9 | 1215 | if ((os->flags() & elfcpp::SHF_TLS) != 0 && !this->output_data_.empty()) |
54dc6425 | 1216 | { |
75f65a3e ILT |
1217 | pdl = &this->output_data_; |
1218 | bool nobits = os->type() == elfcpp::SHT_NOBITS; | |
ead1e424 | 1219 | bool sawtls = false; |
a3ad94ed | 1220 | Output_segment::Output_data_list::iterator p = pdl->end(); |
75f65a3e | 1221 | do |
a2fb1b05 | 1222 | { |
75f65a3e | 1223 | --p; |
ead1e424 ILT |
1224 | bool insert; |
1225 | if ((*p)->is_section_flag_set(elfcpp::SHF_TLS)) | |
1226 | { | |
1227 | sawtls = true; | |
1228 | // Put a NOBITS section after the first TLS section. | |
1229 | // But a PROGBITS section after the first TLS/PROGBITS | |
1230 | // section. | |
1231 | insert = nobits || !(*p)->is_section_type(elfcpp::SHT_NOBITS); | |
1232 | } | |
1233 | else | |
1234 | { | |
1235 | // If we've gone past the TLS sections, but we've seen a | |
1236 | // TLS section, then we need to insert this section now. | |
1237 | insert = sawtls; | |
1238 | } | |
1239 | ||
1240 | if (insert) | |
a2fb1b05 | 1241 | { |
dbe717ef | 1242 | // We don't worry about the FRONT parameter. |
a2fb1b05 | 1243 | ++p; |
75f65a3e | 1244 | pdl->insert(p, os); |
a2fb1b05 ILT |
1245 | return; |
1246 | } | |
1247 | } | |
75f65a3e | 1248 | while (p != pdl->begin()); |
ead1e424 | 1249 | |
dbe717ef ILT |
1250 | // There are no TLS sections yet; put this one at the requested |
1251 | // location in the section list. | |
a2fb1b05 ILT |
1252 | } |
1253 | ||
dbe717ef ILT |
1254 | if (front) |
1255 | pdl->push_front(os); | |
1256 | else | |
1257 | pdl->push_back(os); | |
75f65a3e ILT |
1258 | } |
1259 | ||
1260 | // Add an Output_data (which is not an Output_section) to the start of | |
1261 | // a segment. | |
1262 | ||
1263 | void | |
1264 | Output_segment::add_initial_output_data(Output_data* od) | |
1265 | { | |
a3ad94ed | 1266 | gold_assert(!this->is_align_known_); |
75f65a3e ILT |
1267 | this->output_data_.push_front(od); |
1268 | } | |
1269 | ||
1270 | // Return the maximum alignment of the Output_data in Output_segment. | |
ead1e424 | 1271 | // Once we compute this, we prohibit new sections from being added. |
75f65a3e ILT |
1272 | |
1273 | uint64_t | |
ead1e424 | 1274 | Output_segment::addralign() |
75f65a3e | 1275 | { |
ead1e424 ILT |
1276 | if (!this->is_align_known_) |
1277 | { | |
1278 | uint64_t addralign; | |
1279 | ||
1280 | addralign = Output_segment::maximum_alignment(&this->output_data_); | |
1281 | if (addralign > this->align_) | |
1282 | this->align_ = addralign; | |
1283 | ||
1284 | addralign = Output_segment::maximum_alignment(&this->output_bss_); | |
1285 | if (addralign > this->align_) | |
1286 | this->align_ = addralign; | |
1287 | ||
1288 | this->is_align_known_ = true; | |
1289 | } | |
1290 | ||
75f65a3e ILT |
1291 | return this->align_; |
1292 | } | |
1293 | ||
ead1e424 ILT |
1294 | // Return the maximum alignment of a list of Output_data. |
1295 | ||
1296 | uint64_t | |
1297 | Output_segment::maximum_alignment(const Output_data_list* pdl) | |
1298 | { | |
1299 | uint64_t ret = 0; | |
1300 | for (Output_data_list::const_iterator p = pdl->begin(); | |
1301 | p != pdl->end(); | |
1302 | ++p) | |
1303 | { | |
1304 | uint64_t addralign = (*p)->addralign(); | |
1305 | if (addralign > ret) | |
1306 | ret = addralign; | |
1307 | } | |
1308 | return ret; | |
1309 | } | |
1310 | ||
75f65a3e | 1311 | // Set the section addresses for an Output_segment. ADDR is the |
ead1e424 ILT |
1312 | // address and *POFF is the file offset. Set the section indexes |
1313 | // starting with *PSHNDX. Return the address of the immediately | |
1314 | // following segment. Update *POFF and *PSHNDX. | |
75f65a3e ILT |
1315 | |
1316 | uint64_t | |
ead1e424 ILT |
1317 | Output_segment::set_section_addresses(uint64_t addr, off_t* poff, |
1318 | unsigned int* pshndx) | |
75f65a3e | 1319 | { |
a3ad94ed | 1320 | gold_assert(this->type_ == elfcpp::PT_LOAD); |
75f65a3e ILT |
1321 | |
1322 | this->vaddr_ = addr; | |
1323 | this->paddr_ = addr; | |
1324 | ||
1325 | off_t orig_off = *poff; | |
1326 | this->offset_ = orig_off; | |
1327 | ||
ead1e424 ILT |
1328 | *poff = align_address(*poff, this->addralign()); |
1329 | ||
1330 | addr = this->set_section_list_addresses(&this->output_data_, addr, poff, | |
1331 | pshndx); | |
75f65a3e ILT |
1332 | this->filesz_ = *poff - orig_off; |
1333 | ||
1334 | off_t off = *poff; | |
1335 | ||
61ba1cf9 | 1336 | uint64_t ret = this->set_section_list_addresses(&this->output_bss_, addr, |
ead1e424 | 1337 | poff, pshndx); |
75f65a3e ILT |
1338 | this->memsz_ = *poff - orig_off; |
1339 | ||
1340 | // Ignore the file offset adjustments made by the BSS Output_data | |
1341 | // objects. | |
1342 | *poff = off; | |
61ba1cf9 ILT |
1343 | |
1344 | return ret; | |
75f65a3e ILT |
1345 | } |
1346 | ||
b8e6aad9 ILT |
1347 | // Set the addresses and file offsets in a list of Output_data |
1348 | // structures. | |
75f65a3e ILT |
1349 | |
1350 | uint64_t | |
1351 | Output_segment::set_section_list_addresses(Output_data_list* pdl, | |
ead1e424 ILT |
1352 | uint64_t addr, off_t* poff, |
1353 | unsigned int* pshndx) | |
75f65a3e | 1354 | { |
ead1e424 | 1355 | off_t startoff = *poff; |
75f65a3e | 1356 | |
ead1e424 | 1357 | off_t off = startoff; |
75f65a3e ILT |
1358 | for (Output_data_list::iterator p = pdl->begin(); |
1359 | p != pdl->end(); | |
1360 | ++p) | |
1361 | { | |
ead1e424 ILT |
1362 | off = align_address(off, (*p)->addralign()); |
1363 | (*p)->set_address(addr + (off - startoff), off); | |
1364 | ||
1365 | // Unless this is a PT_TLS segment, we want to ignore the size | |
1366 | // of a SHF_TLS/SHT_NOBITS section. Such a section does not | |
1367 | // affect the size of a PT_LOAD segment. | |
1368 | if (this->type_ == elfcpp::PT_TLS | |
1369 | || !(*p)->is_section_flag_set(elfcpp::SHF_TLS) | |
1370 | || !(*p)->is_section_type(elfcpp::SHT_NOBITS)) | |
1371 | off += (*p)->data_size(); | |
75f65a3e | 1372 | |
ead1e424 ILT |
1373 | if ((*p)->is_section()) |
1374 | { | |
1375 | (*p)->set_out_shndx(*pshndx); | |
1376 | ++*pshndx; | |
1377 | } | |
75f65a3e ILT |
1378 | } |
1379 | ||
1380 | *poff = off; | |
ead1e424 | 1381 | return addr + (off - startoff); |
75f65a3e ILT |
1382 | } |
1383 | ||
1384 | // For a non-PT_LOAD segment, set the offset from the sections, if | |
1385 | // any. | |
1386 | ||
1387 | void | |
1388 | Output_segment::set_offset() | |
1389 | { | |
a3ad94ed | 1390 | gold_assert(this->type_ != elfcpp::PT_LOAD); |
75f65a3e ILT |
1391 | |
1392 | if (this->output_data_.empty() && this->output_bss_.empty()) | |
1393 | { | |
1394 | this->vaddr_ = 0; | |
1395 | this->paddr_ = 0; | |
1396 | this->memsz_ = 0; | |
1397 | this->align_ = 0; | |
1398 | this->offset_ = 0; | |
1399 | this->filesz_ = 0; | |
1400 | return; | |
1401 | } | |
1402 | ||
1403 | const Output_data* first; | |
1404 | if (this->output_data_.empty()) | |
1405 | first = this->output_bss_.front(); | |
1406 | else | |
1407 | first = this->output_data_.front(); | |
1408 | this->vaddr_ = first->address(); | |
1409 | this->paddr_ = this->vaddr_; | |
1410 | this->offset_ = first->offset(); | |
1411 | ||
1412 | if (this->output_data_.empty()) | |
1413 | this->filesz_ = 0; | |
1414 | else | |
1415 | { | |
1416 | const Output_data* last_data = this->output_data_.back(); | |
1417 | this->filesz_ = (last_data->address() | |
1418 | + last_data->data_size() | |
1419 | - this->vaddr_); | |
1420 | } | |
1421 | ||
1422 | const Output_data* last; | |
1423 | if (this->output_bss_.empty()) | |
1424 | last = this->output_data_.back(); | |
1425 | else | |
1426 | last = this->output_bss_.back(); | |
1427 | this->memsz_ = (last->address() | |
1428 | + last->data_size() | |
1429 | - this->vaddr_); | |
75f65a3e ILT |
1430 | } |
1431 | ||
1432 | // Return the number of Output_sections in an Output_segment. | |
1433 | ||
1434 | unsigned int | |
1435 | Output_segment::output_section_count() const | |
1436 | { | |
1437 | return (this->output_section_count_list(&this->output_data_) | |
1438 | + this->output_section_count_list(&this->output_bss_)); | |
1439 | } | |
1440 | ||
1441 | // Return the number of Output_sections in an Output_data_list. | |
1442 | ||
1443 | unsigned int | |
1444 | Output_segment::output_section_count_list(const Output_data_list* pdl) const | |
1445 | { | |
1446 | unsigned int count = 0; | |
1447 | for (Output_data_list::const_iterator p = pdl->begin(); | |
1448 | p != pdl->end(); | |
1449 | ++p) | |
1450 | { | |
1451 | if ((*p)->is_section()) | |
1452 | ++count; | |
1453 | } | |
1454 | return count; | |
a2fb1b05 ILT |
1455 | } |
1456 | ||
61ba1cf9 ILT |
1457 | // Write the segment data into *OPHDR. |
1458 | ||
1459 | template<int size, bool big_endian> | |
1460 | void | |
ead1e424 | 1461 | Output_segment::write_header(elfcpp::Phdr_write<size, big_endian>* ophdr) |
61ba1cf9 ILT |
1462 | { |
1463 | ophdr->put_p_type(this->type_); | |
1464 | ophdr->put_p_offset(this->offset_); | |
1465 | ophdr->put_p_vaddr(this->vaddr_); | |
1466 | ophdr->put_p_paddr(this->paddr_); | |
1467 | ophdr->put_p_filesz(this->filesz_); | |
1468 | ophdr->put_p_memsz(this->memsz_); | |
1469 | ophdr->put_p_flags(this->flags_); | |
ead1e424 | 1470 | ophdr->put_p_align(this->addralign()); |
61ba1cf9 ILT |
1471 | } |
1472 | ||
1473 | // Write the section headers into V. | |
1474 | ||
1475 | template<int size, bool big_endian> | |
1476 | unsigned char* | |
16649710 ILT |
1477 | Output_segment::write_section_headers(const Layout* layout, |
1478 | const Stringpool* secnamepool, | |
ead1e424 ILT |
1479 | unsigned char* v, |
1480 | unsigned int *pshndx | |
5482377d ILT |
1481 | ACCEPT_SIZE_ENDIAN) const |
1482 | { | |
ead1e424 ILT |
1483 | // Every section that is attached to a segment must be attached to a |
1484 | // PT_LOAD segment, so we only write out section headers for PT_LOAD | |
1485 | // segments. | |
1486 | if (this->type_ != elfcpp::PT_LOAD) | |
1487 | return v; | |
1488 | ||
593f47df ILT |
1489 | v = this->write_section_headers_list |
1490 | SELECT_SIZE_ENDIAN_NAME(size, big_endian) ( | |
16649710 | 1491 | layout, secnamepool, &this->output_data_, v, pshndx |
593f47df ILT |
1492 | SELECT_SIZE_ENDIAN(size, big_endian)); |
1493 | v = this->write_section_headers_list | |
1494 | SELECT_SIZE_ENDIAN_NAME(size, big_endian) ( | |
16649710 | 1495 | layout, secnamepool, &this->output_bss_, v, pshndx |
593f47df | 1496 | SELECT_SIZE_ENDIAN(size, big_endian)); |
61ba1cf9 ILT |
1497 | return v; |
1498 | } | |
1499 | ||
1500 | template<int size, bool big_endian> | |
1501 | unsigned char* | |
16649710 ILT |
1502 | Output_segment::write_section_headers_list(const Layout* layout, |
1503 | const Stringpool* secnamepool, | |
61ba1cf9 | 1504 | const Output_data_list* pdl, |
ead1e424 ILT |
1505 | unsigned char* v, |
1506 | unsigned int* pshndx | |
5482377d | 1507 | ACCEPT_SIZE_ENDIAN) const |
61ba1cf9 ILT |
1508 | { |
1509 | const int shdr_size = elfcpp::Elf_sizes<size>::shdr_size; | |
1510 | for (Output_data_list::const_iterator p = pdl->begin(); | |
1511 | p != pdl->end(); | |
1512 | ++p) | |
1513 | { | |
1514 | if ((*p)->is_section()) | |
1515 | { | |
5482377d | 1516 | const Output_section* ps = static_cast<const Output_section*>(*p); |
a3ad94ed | 1517 | gold_assert(*pshndx == ps->out_shndx()); |
61ba1cf9 | 1518 | elfcpp::Shdr_write<size, big_endian> oshdr(v); |
16649710 | 1519 | ps->write_header(layout, secnamepool, &oshdr); |
61ba1cf9 | 1520 | v += shdr_size; |
ead1e424 | 1521 | ++*pshndx; |
61ba1cf9 ILT |
1522 | } |
1523 | } | |
1524 | return v; | |
1525 | } | |
1526 | ||
a2fb1b05 ILT |
1527 | // Output_file methods. |
1528 | ||
c51e6221 | 1529 | Output_file::Output_file(const General_options& options, Target* target) |
61ba1cf9 | 1530 | : options_(options), |
c51e6221 | 1531 | target_(target), |
61ba1cf9 ILT |
1532 | name_(options.output_file_name()), |
1533 | o_(-1), | |
1534 | file_size_(0), | |
1535 | base_(NULL) | |
1536 | { | |
1537 | } | |
1538 | ||
1539 | // Open the output file. | |
1540 | ||
a2fb1b05 | 1541 | void |
61ba1cf9 | 1542 | Output_file::open(off_t file_size) |
a2fb1b05 | 1543 | { |
61ba1cf9 ILT |
1544 | this->file_size_ = file_size; |
1545 | ||
7e1edb90 | 1546 | int mode = parameters->output_is_object() ? 0666 : 0777; |
61ba1cf9 ILT |
1547 | int o = ::open(this->name_, O_RDWR | O_CREAT | O_TRUNC, mode); |
1548 | if (o < 0) | |
1549 | { | |
1550 | fprintf(stderr, _("%s: %s: open: %s\n"), | |
1551 | program_name, this->name_, strerror(errno)); | |
1552 | gold_exit(false); | |
1553 | } | |
1554 | this->o_ = o; | |
1555 | ||
1556 | // Write out one byte to make the file the right size. | |
1557 | if (::lseek(o, file_size - 1, SEEK_SET) < 0) | |
1558 | { | |
1559 | fprintf(stderr, _("%s: %s: lseek: %s\n"), | |
1560 | program_name, this->name_, strerror(errno)); | |
1561 | gold_exit(false); | |
1562 | } | |
1563 | char b = 0; | |
1564 | if (::write(o, &b, 1) != 1) | |
1565 | { | |
1566 | fprintf(stderr, _("%s: %s: write: %s\n"), | |
1567 | program_name, this->name_, strerror(errno)); | |
1568 | gold_exit(false); | |
1569 | } | |
1570 | ||
1571 | // Map the file into memory. | |
1572 | void* base = ::mmap(NULL, file_size, PROT_READ | PROT_WRITE, | |
1573 | MAP_SHARED, o, 0); | |
1574 | if (base == MAP_FAILED) | |
1575 | { | |
1576 | fprintf(stderr, _("%s: %s: mmap: %s\n"), | |
1577 | program_name, this->name_, strerror(errno)); | |
1578 | gold_exit(false); | |
1579 | } | |
1580 | this->base_ = static_cast<unsigned char*>(base); | |
1581 | } | |
1582 | ||
1583 | // Close the output file. | |
1584 | ||
1585 | void | |
1586 | Output_file::close() | |
1587 | { | |
1588 | if (::munmap(this->base_, this->file_size_) < 0) | |
1589 | { | |
1590 | fprintf(stderr, _("%s: %s: munmap: %s\n"), | |
1591 | program_name, this->name_, strerror(errno)); | |
1592 | gold_exit(false); | |
1593 | } | |
1594 | this->base_ = NULL; | |
1595 | ||
1596 | if (::close(this->o_) < 0) | |
1597 | { | |
1598 | fprintf(stderr, _("%s: %s: close: %s\n"), | |
1599 | program_name, this->name_, strerror(errno)); | |
1600 | gold_exit(false); | |
1601 | } | |
1602 | this->o_ = -1; | |
a2fb1b05 ILT |
1603 | } |
1604 | ||
1605 | // Instantiate the templates we need. We could use the configure | |
1606 | // script to restrict this to only the ones for implemented targets. | |
1607 | ||
193a53d9 | 1608 | #ifdef HAVE_TARGET_32_LITTLE |
a2fb1b05 ILT |
1609 | template |
1610 | off_t | |
1611 | Output_section::add_input_section<32, false>( | |
f6ce93d6 | 1612 | Relobj* object, |
ead1e424 | 1613 | unsigned int shndx, |
a2fb1b05 ILT |
1614 | const char* secname, |
1615 | const elfcpp::Shdr<32, false>& shdr); | |
193a53d9 | 1616 | #endif |
a2fb1b05 | 1617 | |
193a53d9 | 1618 | #ifdef HAVE_TARGET_32_BIG |
a2fb1b05 ILT |
1619 | template |
1620 | off_t | |
1621 | Output_section::add_input_section<32, true>( | |
f6ce93d6 | 1622 | Relobj* object, |
ead1e424 | 1623 | unsigned int shndx, |
a2fb1b05 ILT |
1624 | const char* secname, |
1625 | const elfcpp::Shdr<32, true>& shdr); | |
193a53d9 | 1626 | #endif |
a2fb1b05 | 1627 | |
193a53d9 | 1628 | #ifdef HAVE_TARGET_64_LITTLE |
a2fb1b05 ILT |
1629 | template |
1630 | off_t | |
1631 | Output_section::add_input_section<64, false>( | |
f6ce93d6 | 1632 | Relobj* object, |
ead1e424 | 1633 | unsigned int shndx, |
a2fb1b05 ILT |
1634 | const char* secname, |
1635 | const elfcpp::Shdr<64, false>& shdr); | |
193a53d9 | 1636 | #endif |
a2fb1b05 | 1637 | |
193a53d9 | 1638 | #ifdef HAVE_TARGET_64_BIG |
a2fb1b05 ILT |
1639 | template |
1640 | off_t | |
1641 | Output_section::add_input_section<64, true>( | |
f6ce93d6 | 1642 | Relobj* object, |
ead1e424 | 1643 | unsigned int shndx, |
a2fb1b05 ILT |
1644 | const char* secname, |
1645 | const elfcpp::Shdr<64, true>& shdr); | |
193a53d9 | 1646 | #endif |
a2fb1b05 | 1647 | |
193a53d9 | 1648 | #ifdef HAVE_TARGET_32_LITTLE |
c06b7b0b ILT |
1649 | template |
1650 | class Output_data_reloc<elfcpp::SHT_REL, false, 32, false>; | |
193a53d9 | 1651 | #endif |
c06b7b0b | 1652 | |
193a53d9 | 1653 | #ifdef HAVE_TARGET_32_BIG |
c06b7b0b ILT |
1654 | template |
1655 | class Output_data_reloc<elfcpp::SHT_REL, false, 32, true>; | |
193a53d9 | 1656 | #endif |
c06b7b0b | 1657 | |
193a53d9 | 1658 | #ifdef HAVE_TARGET_64_LITTLE |
c06b7b0b ILT |
1659 | template |
1660 | class Output_data_reloc<elfcpp::SHT_REL, false, 64, false>; | |
193a53d9 | 1661 | #endif |
c06b7b0b | 1662 | |
193a53d9 | 1663 | #ifdef HAVE_TARGET_64_BIG |
c06b7b0b ILT |
1664 | template |
1665 | class Output_data_reloc<elfcpp::SHT_REL, false, 64, true>; | |
193a53d9 | 1666 | #endif |
c06b7b0b | 1667 | |
193a53d9 | 1668 | #ifdef HAVE_TARGET_32_LITTLE |
c06b7b0b ILT |
1669 | template |
1670 | class Output_data_reloc<elfcpp::SHT_REL, true, 32, false>; | |
193a53d9 | 1671 | #endif |
c06b7b0b | 1672 | |
193a53d9 | 1673 | #ifdef HAVE_TARGET_32_BIG |
c06b7b0b ILT |
1674 | template |
1675 | class Output_data_reloc<elfcpp::SHT_REL, true, 32, true>; | |
193a53d9 | 1676 | #endif |
c06b7b0b | 1677 | |
193a53d9 | 1678 | #ifdef HAVE_TARGET_64_LITTLE |
c06b7b0b ILT |
1679 | template |
1680 | class Output_data_reloc<elfcpp::SHT_REL, true, 64, false>; | |
193a53d9 | 1681 | #endif |
c06b7b0b | 1682 | |
193a53d9 | 1683 | #ifdef HAVE_TARGET_64_BIG |
c06b7b0b ILT |
1684 | template |
1685 | class Output_data_reloc<elfcpp::SHT_REL, true, 64, true>; | |
193a53d9 | 1686 | #endif |
c06b7b0b | 1687 | |
193a53d9 | 1688 | #ifdef HAVE_TARGET_32_LITTLE |
c06b7b0b ILT |
1689 | template |
1690 | class Output_data_reloc<elfcpp::SHT_RELA, false, 32, false>; | |
193a53d9 | 1691 | #endif |
c06b7b0b | 1692 | |
193a53d9 | 1693 | #ifdef HAVE_TARGET_32_BIG |
c06b7b0b ILT |
1694 | template |
1695 | class Output_data_reloc<elfcpp::SHT_RELA, false, 32, true>; | |
193a53d9 | 1696 | #endif |
c06b7b0b | 1697 | |
193a53d9 | 1698 | #ifdef HAVE_TARGET_64_LITTLE |
c06b7b0b ILT |
1699 | template |
1700 | class Output_data_reloc<elfcpp::SHT_RELA, false, 64, false>; | |
193a53d9 | 1701 | #endif |
c06b7b0b | 1702 | |
193a53d9 | 1703 | #ifdef HAVE_TARGET_64_BIG |
c06b7b0b ILT |
1704 | template |
1705 | class Output_data_reloc<elfcpp::SHT_RELA, false, 64, true>; | |
193a53d9 | 1706 | #endif |
c06b7b0b | 1707 | |
193a53d9 | 1708 | #ifdef HAVE_TARGET_32_LITTLE |
c06b7b0b ILT |
1709 | template |
1710 | class Output_data_reloc<elfcpp::SHT_RELA, true, 32, false>; | |
193a53d9 | 1711 | #endif |
c06b7b0b | 1712 | |
193a53d9 | 1713 | #ifdef HAVE_TARGET_32_BIG |
c06b7b0b ILT |
1714 | template |
1715 | class Output_data_reloc<elfcpp::SHT_RELA, true, 32, true>; | |
193a53d9 | 1716 | #endif |
c06b7b0b | 1717 | |
193a53d9 | 1718 | #ifdef HAVE_TARGET_64_LITTLE |
c06b7b0b ILT |
1719 | template |
1720 | class Output_data_reloc<elfcpp::SHT_RELA, true, 64, false>; | |
193a53d9 | 1721 | #endif |
c06b7b0b | 1722 | |
193a53d9 | 1723 | #ifdef HAVE_TARGET_64_BIG |
c06b7b0b ILT |
1724 | template |
1725 | class Output_data_reloc<elfcpp::SHT_RELA, true, 64, true>; | |
193a53d9 | 1726 | #endif |
c06b7b0b | 1727 | |
193a53d9 | 1728 | #ifdef HAVE_TARGET_32_LITTLE |
ead1e424 | 1729 | template |
dbe717ef | 1730 | class Output_data_got<32, false>; |
193a53d9 | 1731 | #endif |
ead1e424 | 1732 | |
193a53d9 | 1733 | #ifdef HAVE_TARGET_32_BIG |
ead1e424 | 1734 | template |
dbe717ef | 1735 | class Output_data_got<32, true>; |
193a53d9 | 1736 | #endif |
ead1e424 | 1737 | |
193a53d9 | 1738 | #ifdef HAVE_TARGET_64_LITTLE |
ead1e424 | 1739 | template |
dbe717ef | 1740 | class Output_data_got<64, false>; |
193a53d9 | 1741 | #endif |
ead1e424 | 1742 | |
193a53d9 | 1743 | #ifdef HAVE_TARGET_64_BIG |
ead1e424 | 1744 | template |
dbe717ef | 1745 | class Output_data_got<64, true>; |
193a53d9 | 1746 | #endif |
ead1e424 | 1747 | |
a2fb1b05 | 1748 | } // End namespace gold. |