Commit | Line | Data |
---|---|---|
bae7f79e ILT |
1 | // object.cc -- support for an object file for linking in gold |
2 | ||
6cb15b7f ILT |
3 | // Copyright 2006, 2007 Free Software Foundation, Inc. |
4 | // Written by Ian Lance Taylor <iant@google.com>. | |
5 | ||
6 | // This file is part of gold. | |
7 | ||
8 | // This program is free software; you can redistribute it and/or modify | |
9 | // it under the terms of the GNU General Public License as published by | |
10 | // the Free Software Foundation; either version 3 of the License, or | |
11 | // (at your option) any later version. | |
12 | ||
13 | // This program is distributed in the hope that it will be useful, | |
14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | // GNU General Public License for more details. | |
17 | ||
18 | // You should have received a copy of the GNU General Public License | |
19 | // along with this program; if not, write to the Free Software | |
20 | // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
21 | // MA 02110-1301, USA. | |
22 | ||
bae7f79e ILT |
23 | #include "gold.h" |
24 | ||
25 | #include <cerrno> | |
26 | #include <cstring> | |
645f8123 | 27 | #include <cstdarg> |
bae7f79e | 28 | |
14bfc3f5 | 29 | #include "target-select.h" |
a2fb1b05 | 30 | #include "layout.h" |
61ba1cf9 | 31 | #include "output.h" |
f6ce93d6 ILT |
32 | #include "symtab.h" |
33 | #include "object.h" | |
34 | #include "dynobj.h" | |
bae7f79e ILT |
35 | |
36 | namespace gold | |
37 | { | |
38 | ||
645f8123 ILT |
39 | // Class Object. |
40 | ||
dbe717ef ILT |
41 | // Set the target based on fields in the ELF file header. |
42 | ||
43 | void | |
44 | Object::set_target(int machine, int size, bool big_endian, int osabi, | |
45 | int abiversion) | |
46 | { | |
47 | Target* target = select_target(machine, size, big_endian, osabi, abiversion); | |
48 | if (target == NULL) | |
49 | { | |
50 | fprintf(stderr, _("%s: %s: unsupported ELF machine number %d\n"), | |
51 | program_name, this->name().c_str(), machine); | |
52 | gold_exit(false); | |
53 | } | |
54 | this->target_ = target; | |
55 | } | |
56 | ||
645f8123 ILT |
57 | // Report an error for the elfcpp::Elf_file interface. |
58 | ||
59 | void | |
60 | Object::error(const char* format, ...) | |
61 | { | |
62 | va_list args; | |
63 | ||
64 | fprintf(stderr, "%s: %s: ", program_name, this->name().c_str()); | |
65 | va_start(args, format); | |
66 | vfprintf(stderr, format, args); | |
67 | va_end(args); | |
68 | putc('\n', stderr); | |
69 | ||
70 | gold_exit(false); | |
71 | } | |
72 | ||
73 | // Return a view of the contents of a section. | |
74 | ||
75 | const unsigned char* | |
9eb9fa57 | 76 | Object::section_contents(unsigned int shndx, off_t* plen, bool cache) |
645f8123 ILT |
77 | { |
78 | Location loc(this->do_section_contents(shndx)); | |
79 | *plen = loc.data_size; | |
9eb9fa57 | 80 | return this->get_view(loc.file_offset, loc.data_size, cache); |
645f8123 ILT |
81 | } |
82 | ||
dbe717ef ILT |
83 | // Read the section data into SD. This is code common to Sized_relobj |
84 | // and Sized_dynobj, so we put it into Object. | |
85 | ||
86 | template<int size, bool big_endian> | |
87 | void | |
88 | Object::read_section_data(elfcpp::Elf_file<size, big_endian, Object>* elf_file, | |
89 | Read_symbols_data* sd) | |
90 | { | |
91 | const int shdr_size = elfcpp::Elf_sizes<size>::shdr_size; | |
92 | ||
93 | // Read the section headers. | |
94 | const off_t shoff = elf_file->shoff(); | |
95 | const unsigned int shnum = this->shnum(); | |
9eb9fa57 | 96 | sd->section_headers = this->get_lasting_view(shoff, shnum * shdr_size, true); |
dbe717ef ILT |
97 | |
98 | // Read the section names. | |
99 | const unsigned char* pshdrs = sd->section_headers->data(); | |
100 | const unsigned char* pshdrnames = pshdrs + elf_file->shstrndx() * shdr_size; | |
101 | typename elfcpp::Shdr<size, big_endian> shdrnames(pshdrnames); | |
102 | ||
103 | if (shdrnames.get_sh_type() != elfcpp::SHT_STRTAB) | |
104 | { | |
105 | fprintf(stderr, | |
106 | _("%s: %s: section name section has wrong type: %u\n"), | |
107 | program_name, this->name().c_str(), | |
108 | static_cast<unsigned int>(shdrnames.get_sh_type())); | |
109 | gold_exit(false); | |
110 | } | |
111 | ||
112 | sd->section_names_size = shdrnames.get_sh_size(); | |
113 | sd->section_names = this->get_lasting_view(shdrnames.get_sh_offset(), | |
9eb9fa57 | 114 | sd->section_names_size, false); |
dbe717ef ILT |
115 | } |
116 | ||
117 | // If NAME is the name of a special .gnu.warning section, arrange for | |
118 | // the warning to be issued. SHNDX is the section index. Return | |
119 | // whether it is a warning section. | |
120 | ||
121 | bool | |
122 | Object::handle_gnu_warning_section(const char* name, unsigned int shndx, | |
123 | Symbol_table* symtab) | |
124 | { | |
125 | const char warn_prefix[] = ".gnu.warning."; | |
126 | const int warn_prefix_len = sizeof warn_prefix - 1; | |
127 | if (strncmp(name, warn_prefix, warn_prefix_len) == 0) | |
128 | { | |
129 | symtab->add_warning(name + warn_prefix_len, this, shndx); | |
130 | return true; | |
131 | } | |
132 | return false; | |
133 | } | |
134 | ||
f6ce93d6 | 135 | // Class Sized_relobj. |
bae7f79e ILT |
136 | |
137 | template<int size, bool big_endian> | |
f6ce93d6 | 138 | Sized_relobj<size, big_endian>::Sized_relobj( |
bae7f79e ILT |
139 | const std::string& name, |
140 | Input_file* input_file, | |
141 | off_t offset, | |
142 | const elfcpp::Ehdr<size, big_endian>& ehdr) | |
f6ce93d6 | 143 | : Relobj(name, input_file, offset), |
645f8123 | 144 | elf_file_(this, ehdr), |
dbe717ef | 145 | symtab_shndx_(-1U), |
61ba1cf9 ILT |
146 | local_symbol_count_(0), |
147 | output_local_symbol_count_(0), | |
75f65a3e | 148 | symbols_(NULL), |
61ba1cf9 | 149 | local_symbol_offset_(0), |
b8e6aad9 | 150 | local_values_() |
bae7f79e | 151 | { |
bae7f79e ILT |
152 | } |
153 | ||
154 | template<int size, bool big_endian> | |
f6ce93d6 | 155 | Sized_relobj<size, big_endian>::~Sized_relobj() |
bae7f79e ILT |
156 | { |
157 | } | |
158 | ||
645f8123 | 159 | // Set up an object file based on the file header. This sets up the |
bae7f79e ILT |
160 | // target and reads the section information. |
161 | ||
162 | template<int size, bool big_endian> | |
163 | void | |
f6ce93d6 | 164 | Sized_relobj<size, big_endian>::setup( |
bae7f79e ILT |
165 | const elfcpp::Ehdr<size, big_endian>& ehdr) |
166 | { | |
dbe717ef ILT |
167 | this->set_target(ehdr.get_e_machine(), size, big_endian, |
168 | ehdr.get_e_ident()[elfcpp::EI_OSABI], | |
169 | ehdr.get_e_ident()[elfcpp::EI_ABIVERSION]); | |
12e14209 | 170 | |
dbe717ef | 171 | const unsigned int shnum = this->elf_file_.shnum(); |
a2fb1b05 | 172 | this->set_shnum(shnum); |
dbe717ef | 173 | } |
12e14209 | 174 | |
dbe717ef ILT |
175 | // Find the SHT_SYMTAB section, given the section headers. The ELF |
176 | // standard says that maybe in the future there can be more than one | |
177 | // SHT_SYMTAB section. Until somebody figures out how that could | |
178 | // work, we assume there is only one. | |
12e14209 | 179 | |
dbe717ef ILT |
180 | template<int size, bool big_endian> |
181 | void | |
182 | Sized_relobj<size, big_endian>::find_symtab(const unsigned char* pshdrs) | |
183 | { | |
184 | const unsigned int shnum = this->shnum(); | |
185 | this->symtab_shndx_ = 0; | |
186 | if (shnum > 0) | |
bae7f79e | 187 | { |
dbe717ef ILT |
188 | // Look through the sections in reverse order, since gas tends |
189 | // to put the symbol table at the end. | |
190 | const unsigned char* p = pshdrs + shnum * This::shdr_size; | |
191 | unsigned int i = shnum; | |
192 | while (i > 0) | |
bae7f79e | 193 | { |
dbe717ef ILT |
194 | --i; |
195 | p -= This::shdr_size; | |
196 | typename This::Shdr shdr(p); | |
197 | if (shdr.get_sh_type() == elfcpp::SHT_SYMTAB) | |
198 | { | |
199 | this->symtab_shndx_ = i; | |
200 | break; | |
201 | } | |
bae7f79e | 202 | } |
bae7f79e ILT |
203 | } |
204 | } | |
205 | ||
12e14209 | 206 | // Read the sections and symbols from an object file. |
bae7f79e ILT |
207 | |
208 | template<int size, bool big_endian> | |
12e14209 | 209 | void |
f6ce93d6 | 210 | Sized_relobj<size, big_endian>::do_read_symbols(Read_symbols_data* sd) |
bae7f79e | 211 | { |
dbe717ef | 212 | this->read_section_data(&this->elf_file_, sd); |
12e14209 | 213 | |
dbe717ef ILT |
214 | const unsigned char* const pshdrs = sd->section_headers->data(); |
215 | ||
216 | this->find_symtab(pshdrs); | |
12e14209 | 217 | |
645f8123 | 218 | if (this->symtab_shndx_ == 0) |
bae7f79e ILT |
219 | { |
220 | // No symbol table. Weird but legal. | |
12e14209 ILT |
221 | sd->symbols = NULL; |
222 | sd->symbols_size = 0; | |
223 | sd->symbol_names = NULL; | |
224 | sd->symbol_names_size = 0; | |
225 | return; | |
bae7f79e ILT |
226 | } |
227 | ||
12e14209 ILT |
228 | // Get the symbol table section header. |
229 | typename This::Shdr symtabshdr(pshdrs | |
645f8123 | 230 | + this->symtab_shndx_ * This::shdr_size); |
a3ad94ed | 231 | gold_assert(symtabshdr.get_sh_type() == elfcpp::SHT_SYMTAB); |
bae7f79e | 232 | |
75f65a3e ILT |
233 | // We only need the external symbols. |
234 | const int sym_size = This::sym_size; | |
92e059d8 ILT |
235 | const unsigned int loccount = symtabshdr.get_sh_info(); |
236 | this->local_symbol_count_ = loccount; | |
237 | off_t locsize = loccount * sym_size; | |
75f65a3e ILT |
238 | off_t extoff = symtabshdr.get_sh_offset() + locsize; |
239 | off_t extsize = symtabshdr.get_sh_size() - locsize; | |
240 | ||
bae7f79e | 241 | // Read the symbol table. |
9eb9fa57 | 242 | File_view* fvsymtab = this->get_lasting_view(extoff, extsize, false); |
bae7f79e ILT |
243 | |
244 | // Read the section header for the symbol names. | |
dbe717ef ILT |
245 | unsigned int strtab_shndx = symtabshdr.get_sh_link(); |
246 | if (strtab_shndx >= this->shnum()) | |
bae7f79e ILT |
247 | { |
248 | fprintf(stderr, _("%s: %s: invalid symbol table name index: %u\n"), | |
dbe717ef | 249 | program_name, this->name().c_str(), strtab_shndx); |
bae7f79e ILT |
250 | gold_exit(false); |
251 | } | |
dbe717ef | 252 | typename This::Shdr strtabshdr(pshdrs + strtab_shndx * This::shdr_size); |
bae7f79e ILT |
253 | if (strtabshdr.get_sh_type() != elfcpp::SHT_STRTAB) |
254 | { | |
255 | fprintf(stderr, | |
256 | _("%s: %s: symbol table name section has wrong type: %u\n"), | |
257 | program_name, this->name().c_str(), | |
258 | static_cast<unsigned int>(strtabshdr.get_sh_type())); | |
259 | gold_exit(false); | |
260 | } | |
261 | ||
262 | // Read the symbol names. | |
263 | File_view* fvstrtab = this->get_lasting_view(strtabshdr.get_sh_offset(), | |
9eb9fa57 | 264 | strtabshdr.get_sh_size(), true); |
bae7f79e | 265 | |
12e14209 ILT |
266 | sd->symbols = fvsymtab; |
267 | sd->symbols_size = extsize; | |
268 | sd->symbol_names = fvstrtab; | |
269 | sd->symbol_names_size = strtabshdr.get_sh_size(); | |
a2fb1b05 ILT |
270 | } |
271 | ||
272 | // Return whether to include a section group in the link. LAYOUT is | |
273 | // used to keep track of which section groups we have already seen. | |
274 | // INDEX is the index of the section group and SHDR is the section | |
275 | // header. If we do not want to include this group, we set bits in | |
276 | // OMIT for each section which should be discarded. | |
277 | ||
278 | template<int size, bool big_endian> | |
279 | bool | |
f6ce93d6 | 280 | Sized_relobj<size, big_endian>::include_section_group( |
a2fb1b05 ILT |
281 | Layout* layout, |
282 | unsigned int index, | |
283 | const elfcpp::Shdr<size, big_endian>& shdr, | |
284 | std::vector<bool>* omit) | |
285 | { | |
286 | // Read the section contents. | |
287 | const unsigned char* pcon = this->get_view(shdr.get_sh_offset(), | |
9eb9fa57 | 288 | shdr.get_sh_size(), false); |
a2fb1b05 ILT |
289 | const elfcpp::Elf_Word* pword = |
290 | reinterpret_cast<const elfcpp::Elf_Word*>(pcon); | |
291 | ||
292 | // The first word contains flags. We only care about COMDAT section | |
293 | // groups. Other section groups are always included in the link | |
294 | // just like ordinary sections. | |
f6ce93d6 | 295 | elfcpp::Elf_Word flags = elfcpp::Swap<32, big_endian>::readval(pword); |
a2fb1b05 ILT |
296 | if ((flags & elfcpp::GRP_COMDAT) == 0) |
297 | return true; | |
298 | ||
299 | // Look up the group signature, which is the name of a symbol. This | |
300 | // is a lot of effort to go to to read a string. Why didn't they | |
301 | // just use the name of the SHT_GROUP section as the group | |
302 | // signature? | |
303 | ||
304 | // Get the appropriate symbol table header (this will normally be | |
305 | // the single SHT_SYMTAB section, but in principle it need not be). | |
645f8123 ILT |
306 | const unsigned int link = shdr.get_sh_link(); |
307 | typename This::Shdr symshdr(this, this->elf_file_.section_header(link)); | |
a2fb1b05 ILT |
308 | |
309 | // Read the symbol table entry. | |
310 | if (shdr.get_sh_info() >= symshdr.get_sh_size() / This::sym_size) | |
311 | { | |
312 | fprintf(stderr, _("%s: %s: section group %u info %u out of range\n"), | |
313 | program_name, this->name().c_str(), index, shdr.get_sh_info()); | |
314 | gold_exit(false); | |
315 | } | |
316 | off_t symoff = symshdr.get_sh_offset() + shdr.get_sh_info() * This::sym_size; | |
9eb9fa57 | 317 | const unsigned char* psym = this->get_view(symoff, This::sym_size, true); |
a2fb1b05 ILT |
318 | elfcpp::Sym<size, big_endian> sym(psym); |
319 | ||
a2fb1b05 | 320 | // Read the symbol table names. |
645f8123 ILT |
321 | off_t symnamelen; |
322 | const unsigned char* psymnamesu; | |
9eb9fa57 ILT |
323 | psymnamesu = this->section_contents(symshdr.get_sh_link(), &symnamelen, |
324 | true); | |
a2fb1b05 ILT |
325 | const char* psymnames = reinterpret_cast<const char*>(psymnamesu); |
326 | ||
327 | // Get the section group signature. | |
645f8123 | 328 | if (sym.get_st_name() >= symnamelen) |
a2fb1b05 ILT |
329 | { |
330 | fprintf(stderr, _("%s: %s: symbol %u name offset %u out of range\n"), | |
331 | program_name, this->name().c_str(), shdr.get_sh_info(), | |
332 | sym.get_st_name()); | |
333 | gold_exit(false); | |
334 | } | |
335 | ||
336 | const char* signature = psymnames + sym.get_st_name(); | |
337 | ||
ead1e424 ILT |
338 | // It seems that some versions of gas will create a section group |
339 | // associated with a section symbol, and then fail to give a name to | |
340 | // the section symbol. In such a case, use the name of the section. | |
341 | // FIXME. | |
645f8123 ILT |
342 | std::string secname; |
343 | if (signature[0] == '\0' && sym.get_st_type() == elfcpp::STT_SECTION) | |
ead1e424 | 344 | { |
645f8123 ILT |
345 | secname = this->section_name(sym.get_st_shndx()); |
346 | signature = secname.c_str(); | |
ead1e424 ILT |
347 | } |
348 | ||
a2fb1b05 ILT |
349 | // Record this section group, and see whether we've already seen one |
350 | // with the same signature. | |
351 | if (layout->add_comdat(signature, true)) | |
352 | return true; | |
353 | ||
354 | // This is a duplicate. We want to discard the sections in this | |
355 | // group. | |
356 | size_t count = shdr.get_sh_size() / sizeof(elfcpp::Elf_Word); | |
357 | for (size_t i = 1; i < count; ++i) | |
358 | { | |
f6ce93d6 ILT |
359 | elfcpp::Elf_Word secnum = |
360 | elfcpp::Swap<32, big_endian>::readval(pword + i); | |
a2fb1b05 ILT |
361 | if (secnum >= this->shnum()) |
362 | { | |
363 | fprintf(stderr, | |
364 | _("%s: %s: section %u in section group %u out of range"), | |
365 | program_name, this->name().c_str(), secnum, | |
366 | index); | |
367 | gold_exit(false); | |
368 | } | |
369 | (*omit)[secnum] = true; | |
370 | } | |
371 | ||
372 | return false; | |
373 | } | |
374 | ||
375 | // Whether to include a linkonce section in the link. NAME is the | |
376 | // name of the section and SHDR is the section header. | |
377 | ||
378 | // Linkonce sections are a GNU extension implemented in the original | |
379 | // GNU linker before section groups were defined. The semantics are | |
380 | // that we only include one linkonce section with a given name. The | |
381 | // name of a linkonce section is normally .gnu.linkonce.T.SYMNAME, | |
382 | // where T is the type of section and SYMNAME is the name of a symbol. | |
383 | // In an attempt to make linkonce sections interact well with section | |
384 | // groups, we try to identify SYMNAME and use it like a section group | |
385 | // signature. We want to block section groups with that signature, | |
386 | // but not other linkonce sections with that signature. We also use | |
387 | // the full name of the linkonce section as a normal section group | |
388 | // signature. | |
389 | ||
390 | template<int size, bool big_endian> | |
391 | bool | |
f6ce93d6 | 392 | Sized_relobj<size, big_endian>::include_linkonce_section( |
a2fb1b05 ILT |
393 | Layout* layout, |
394 | const char* name, | |
395 | const elfcpp::Shdr<size, big_endian>&) | |
396 | { | |
397 | const char* symname = strrchr(name, '.') + 1; | |
a783673b ILT |
398 | bool include1 = layout->add_comdat(symname, false); |
399 | bool include2 = layout->add_comdat(name, true); | |
400 | return include1 && include2; | |
a2fb1b05 ILT |
401 | } |
402 | ||
403 | // Lay out the input sections. We walk through the sections and check | |
404 | // whether they should be included in the link. If they should, we | |
405 | // pass them to the Layout object, which will return an output section | |
406 | // and an offset. | |
407 | ||
408 | template<int size, bool big_endian> | |
409 | void | |
7e1edb90 | 410 | Sized_relobj<size, big_endian>::do_layout(Symbol_table* symtab, |
f6ce93d6 | 411 | Layout* layout, |
12e14209 | 412 | Read_symbols_data* sd) |
a2fb1b05 | 413 | { |
dbe717ef | 414 | const unsigned int shnum = this->shnum(); |
12e14209 ILT |
415 | if (shnum == 0) |
416 | return; | |
a2fb1b05 ILT |
417 | |
418 | // Get the section headers. | |
12e14209 | 419 | const unsigned char* pshdrs = sd->section_headers->data(); |
a2fb1b05 ILT |
420 | |
421 | // Get the section names. | |
12e14209 | 422 | const unsigned char* pnamesu = sd->section_names->data(); |
a2fb1b05 ILT |
423 | const char* pnames = reinterpret_cast<const char*>(pnamesu); |
424 | ||
425 | std::vector<Map_to_output>& map_sections(this->map_to_output()); | |
61ba1cf9 | 426 | map_sections.resize(shnum); |
a2fb1b05 ILT |
427 | |
428 | // Keep track of which sections to omit. | |
429 | std::vector<bool> omit(shnum, false); | |
430 | ||
f6ce93d6 ILT |
431 | // Skip the first, dummy, section. |
432 | pshdrs += This::shdr_size; | |
433 | for (unsigned int i = 1; i < shnum; ++i, pshdrs += This::shdr_size) | |
a2fb1b05 | 434 | { |
75f65a3e | 435 | typename This::Shdr shdr(pshdrs); |
a2fb1b05 | 436 | |
12e14209 | 437 | if (shdr.get_sh_name() >= sd->section_names_size) |
a2fb1b05 ILT |
438 | { |
439 | fprintf(stderr, | |
440 | _("%s: %s: bad section name offset for section %u: %lu\n"), | |
441 | program_name, this->name().c_str(), i, | |
442 | static_cast<unsigned long>(shdr.get_sh_name())); | |
443 | gold_exit(false); | |
444 | } | |
445 | ||
446 | const char* name = pnames + shdr.get_sh_name(); | |
447 | ||
dbe717ef | 448 | if (this->handle_gnu_warning_section(name, i, symtab)) |
f6ce93d6 | 449 | { |
7e1edb90 | 450 | if (!parameters->output_is_object()) |
f6ce93d6 ILT |
451 | omit[i] = true; |
452 | } | |
453 | ||
a2fb1b05 ILT |
454 | bool discard = omit[i]; |
455 | if (!discard) | |
456 | { | |
457 | if (shdr.get_sh_type() == elfcpp::SHT_GROUP) | |
458 | { | |
459 | if (!this->include_section_group(layout, i, shdr, &omit)) | |
460 | discard = true; | |
461 | } | |
cba134d6 ILT |
462 | else if ((shdr.get_sh_flags() & elfcpp::SHF_GROUP) == 0 |
463 | && Layout::is_linkonce(name)) | |
a2fb1b05 ILT |
464 | { |
465 | if (!this->include_linkonce_section(layout, name, shdr)) | |
466 | discard = true; | |
467 | } | |
468 | } | |
469 | ||
470 | if (discard) | |
471 | { | |
472 | // Do not include this section in the link. | |
473 | map_sections[i].output_section = NULL; | |
474 | continue; | |
475 | } | |
476 | ||
477 | off_t offset; | |
ead1e424 | 478 | Output_section* os = layout->layout(this, i, name, shdr, &offset); |
a2fb1b05 ILT |
479 | |
480 | map_sections[i].output_section = os; | |
481 | map_sections[i].offset = offset; | |
12e14209 ILT |
482 | } |
483 | ||
484 | delete sd->section_headers; | |
485 | sd->section_headers = NULL; | |
486 | delete sd->section_names; | |
487 | sd->section_names = NULL; | |
488 | } | |
489 | ||
490 | // Add the symbols to the symbol table. | |
491 | ||
492 | template<int size, bool big_endian> | |
493 | void | |
f6ce93d6 | 494 | Sized_relobj<size, big_endian>::do_add_symbols(Symbol_table* symtab, |
12e14209 ILT |
495 | Read_symbols_data* sd) |
496 | { | |
497 | if (sd->symbols == NULL) | |
498 | { | |
a3ad94ed | 499 | gold_assert(sd->symbol_names == NULL); |
12e14209 ILT |
500 | return; |
501 | } | |
a2fb1b05 | 502 | |
12e14209 ILT |
503 | const int sym_size = This::sym_size; |
504 | size_t symcount = sd->symbols_size / sym_size; | |
f5c3f225 | 505 | if (static_cast<off_t>(symcount * sym_size) != sd->symbols_size) |
12e14209 ILT |
506 | { |
507 | fprintf(stderr, | |
508 | _("%s: %s: size of symbols is not multiple of symbol size\n"), | |
509 | program_name, this->name().c_str()); | |
510 | gold_exit(false); | |
a2fb1b05 | 511 | } |
12e14209 ILT |
512 | |
513 | this->symbols_ = new Symbol*[symcount]; | |
514 | ||
12e14209 ILT |
515 | const char* sym_names = |
516 | reinterpret_cast<const char*>(sd->symbol_names->data()); | |
193a53d9 | 517 | symtab->add_from_relobj(this, sd->symbols->data(), symcount, sym_names, |
dbe717ef | 518 | sd->symbol_names_size, this->symbols_); |
12e14209 ILT |
519 | |
520 | delete sd->symbols; | |
521 | sd->symbols = NULL; | |
522 | delete sd->symbol_names; | |
523 | sd->symbol_names = NULL; | |
bae7f79e ILT |
524 | } |
525 | ||
75f65a3e | 526 | // Finalize the local symbols. Here we record the file offset at |
61ba1cf9 | 527 | // which they should be output, we add their names to *POOL, and we |
b8e6aad9 ILT |
528 | // add their values to THIS->LOCAL_VALUES_. Return the symbol index. |
529 | // This function is always called from the main thread. The actual | |
530 | // output of the local symbols will occur in a separate task. | |
75f65a3e ILT |
531 | |
532 | template<int size, bool big_endian> | |
c06b7b0b ILT |
533 | unsigned int |
534 | Sized_relobj<size, big_endian>::do_finalize_local_symbols(unsigned int index, | |
535 | off_t off, | |
75f65a3e ILT |
536 | Stringpool* pool) |
537 | { | |
a3ad94ed | 538 | gold_assert(this->symtab_shndx_ != -1U); |
645f8123 | 539 | if (this->symtab_shndx_ == 0) |
61ba1cf9 ILT |
540 | { |
541 | // This object has no symbols. Weird but legal. | |
c06b7b0b | 542 | return index; |
61ba1cf9 ILT |
543 | } |
544 | ||
a3ad94ed | 545 | gold_assert(off == static_cast<off_t>(align_address(off, size >> 3))); |
61ba1cf9 | 546 | |
75f65a3e ILT |
547 | this->local_symbol_offset_ = off; |
548 | ||
549 | // Read the symbol table section header. | |
645f8123 ILT |
550 | const unsigned int symtab_shndx = this->symtab_shndx_; |
551 | typename This::Shdr symtabshdr(this, | |
552 | this->elf_file_.section_header(symtab_shndx)); | |
a3ad94ed | 553 | gold_assert(symtabshdr.get_sh_type() == elfcpp::SHT_SYMTAB); |
75f65a3e ILT |
554 | |
555 | // Read the local symbols. | |
75f65a3e | 556 | const int sym_size = This::sym_size; |
92e059d8 | 557 | const unsigned int loccount = this->local_symbol_count_; |
a3ad94ed | 558 | gold_assert(loccount == symtabshdr.get_sh_info()); |
75f65a3e ILT |
559 | off_t locsize = loccount * sym_size; |
560 | const unsigned char* psyms = this->get_view(symtabshdr.get_sh_offset(), | |
9eb9fa57 | 561 | locsize, true); |
75f65a3e | 562 | |
c06b7b0b | 563 | this->local_values_.resize(loccount); |
61ba1cf9 | 564 | |
75f65a3e | 565 | // Read the symbol names. |
645f8123 ILT |
566 | const unsigned int strtab_shndx = symtabshdr.get_sh_link(); |
567 | off_t strtab_size; | |
568 | const unsigned char* pnamesu = this->section_contents(strtab_shndx, | |
9eb9fa57 ILT |
569 | &strtab_size, |
570 | true); | |
75f65a3e ILT |
571 | const char* pnames = reinterpret_cast<const char*>(pnamesu); |
572 | ||
573 | // Loop over the local symbols. | |
574 | ||
c06b7b0b | 575 | const std::vector<Map_to_output>& mo(this->map_to_output()); |
75f65a3e | 576 | unsigned int shnum = this->shnum(); |
61ba1cf9 | 577 | unsigned int count = 0; |
75f65a3e ILT |
578 | // Skip the first, dummy, symbol. |
579 | psyms += sym_size; | |
61ba1cf9 | 580 | for (unsigned int i = 1; i < loccount; ++i, psyms += sym_size) |
75f65a3e ILT |
581 | { |
582 | elfcpp::Sym<size, big_endian> sym(psyms); | |
583 | ||
b8e6aad9 ILT |
584 | Symbol_value<size>& lv(this->local_values_[i]); |
585 | ||
75f65a3e | 586 | unsigned int shndx = sym.get_st_shndx(); |
b8e6aad9 | 587 | lv.set_input_shndx(shndx); |
75f65a3e | 588 | |
063f12a8 ILT |
589 | if (sym.get_st_type() == elfcpp::STT_SECTION) |
590 | lv.set_is_section_symbol(); | |
591 | ||
75f65a3e ILT |
592 | if (shndx >= elfcpp::SHN_LORESERVE) |
593 | { | |
61ba1cf9 | 594 | if (shndx == elfcpp::SHN_ABS) |
b8e6aad9 | 595 | lv.set_output_value(sym.get_st_value()); |
61ba1cf9 | 596 | else |
75f65a3e | 597 | { |
61ba1cf9 | 598 | // FIXME: Handle SHN_XINDEX. |
75f65a3e ILT |
599 | fprintf(stderr, |
600 | _("%s: %s: unknown section index %u " | |
601 | "for local symbol %u\n"), | |
602 | program_name, this->name().c_str(), shndx, i); | |
603 | gold_exit(false); | |
604 | } | |
75f65a3e ILT |
605 | } |
606 | else | |
607 | { | |
608 | if (shndx >= shnum) | |
609 | { | |
610 | fprintf(stderr, | |
611 | _("%s: %s: local symbol %u section index %u " | |
612 | "out of range\n"), | |
613 | program_name, this->name().c_str(), i, shndx); | |
614 | gold_exit(false); | |
615 | } | |
616 | ||
b8e6aad9 ILT |
617 | Output_section* os = mo[shndx].output_section; |
618 | ||
619 | if (os == NULL) | |
61ba1cf9 | 620 | { |
b8e6aad9 ILT |
621 | lv.set_output_value(0); |
622 | lv.set_no_output_symtab_entry(); | |
61ba1cf9 ILT |
623 | continue; |
624 | } | |
625 | ||
b8e6aad9 ILT |
626 | if (mo[shndx].offset == -1) |
627 | lv.set_input_value(sym.get_st_value()); | |
628 | else | |
629 | lv.set_output_value(mo[shndx].output_section->address() | |
630 | + mo[shndx].offset | |
631 | + sym.get_st_value()); | |
75f65a3e ILT |
632 | } |
633 | ||
c06b7b0b ILT |
634 | // Decide whether this symbol should go into the output file. |
635 | ||
636 | if (sym.get_st_type() == elfcpp::STT_SECTION) | |
f6ce93d6 | 637 | { |
b8e6aad9 | 638 | lv.set_no_output_symtab_entry(); |
c06b7b0b ILT |
639 | continue; |
640 | } | |
645f8123 | 641 | |
c06b7b0b ILT |
642 | if (sym.get_st_name() >= strtab_size) |
643 | { | |
644 | fprintf(stderr, | |
645 | _("%s: %s: local symbol %u section name " | |
646 | "out of range: %u >= %u\n"), | |
647 | program_name, this->name().c_str(), | |
648 | i, sym.get_st_name(), | |
649 | static_cast<unsigned int>(strtab_size)); | |
650 | gold_exit(false); | |
f6ce93d6 | 651 | } |
c06b7b0b ILT |
652 | |
653 | const char* name = pnames + sym.get_st_name(); | |
654 | pool->add(name, NULL); | |
b8e6aad9 | 655 | lv.set_output_symtab_index(index); |
c06b7b0b | 656 | ++index; |
c06b7b0b | 657 | ++count; |
75f65a3e ILT |
658 | } |
659 | ||
61ba1cf9 ILT |
660 | this->output_local_symbol_count_ = count; |
661 | ||
c06b7b0b | 662 | return index; |
75f65a3e ILT |
663 | } |
664 | ||
b8e6aad9 | 665 | // Return the value of a local symbol defined in input section SHNDX, |
063f12a8 ILT |
666 | // with value VALUE, adding addend ADDEND. IS_SECTION_SYMBOL |
667 | // indicates whether the symbol is a section symbol. This handles | |
668 | // SHF_MERGE sections. | |
b8e6aad9 ILT |
669 | template<int size, bool big_endian> |
670 | typename elfcpp::Elf_types<size>::Elf_Addr | |
671 | Sized_relobj<size, big_endian>::local_value(unsigned int shndx, | |
672 | Address value, | |
063f12a8 | 673 | bool is_section_symbol, |
b8e6aad9 ILT |
674 | Address addend) const |
675 | { | |
676 | const std::vector<Map_to_output>& mo(this->map_to_output()); | |
677 | Output_section* os = mo[shndx].output_section; | |
678 | if (os == NULL) | |
679 | return addend; | |
680 | gold_assert(mo[shndx].offset == -1); | |
063f12a8 ILT |
681 | |
682 | // Do the mapping required by the output section. If this is not a | |
683 | // section symbol, then we want to map the symbol value, and then | |
684 | // include the addend. If this is a section symbol, then we need to | |
685 | // include the addend to figure out where in the section we are, | |
686 | // before we do the mapping. This will do the right thing provided | |
687 | // the assembler is careful to only convert a relocation in a merged | |
688 | // section to a section symbol if there is a zero addend. If the | |
689 | // assembler does not do this, then in general we can't know what to | |
690 | // do, because we can't distinguish the addend for the instruction | |
691 | // format from the addend for the section offset. | |
692 | ||
693 | if (is_section_symbol) | |
694 | return os->output_address(this, shndx, value + addend); | |
695 | else | |
696 | return addend + os->output_address(this, shndx, value); | |
b8e6aad9 ILT |
697 | } |
698 | ||
61ba1cf9 ILT |
699 | // Write out the local symbols. |
700 | ||
701 | template<int size, bool big_endian> | |
702 | void | |
f6ce93d6 | 703 | Sized_relobj<size, big_endian>::write_local_symbols(Output_file* of, |
61ba1cf9 ILT |
704 | const Stringpool* sympool) |
705 | { | |
a3ad94ed | 706 | gold_assert(this->symtab_shndx_ != -1U); |
645f8123 | 707 | if (this->symtab_shndx_ == 0) |
61ba1cf9 ILT |
708 | { |
709 | // This object has no symbols. Weird but legal. | |
710 | return; | |
711 | } | |
712 | ||
713 | // Read the symbol table section header. | |
645f8123 ILT |
714 | const unsigned int symtab_shndx = this->symtab_shndx_; |
715 | typename This::Shdr symtabshdr(this, | |
716 | this->elf_file_.section_header(symtab_shndx)); | |
a3ad94ed | 717 | gold_assert(symtabshdr.get_sh_type() == elfcpp::SHT_SYMTAB); |
92e059d8 | 718 | const unsigned int loccount = this->local_symbol_count_; |
a3ad94ed | 719 | gold_assert(loccount == symtabshdr.get_sh_info()); |
61ba1cf9 ILT |
720 | |
721 | // Read the local symbols. | |
722 | const int sym_size = This::sym_size; | |
92e059d8 | 723 | off_t locsize = loccount * sym_size; |
61ba1cf9 | 724 | const unsigned char* psyms = this->get_view(symtabshdr.get_sh_offset(), |
9eb9fa57 | 725 | locsize, false); |
61ba1cf9 | 726 | |
61ba1cf9 | 727 | // Read the symbol names. |
645f8123 ILT |
728 | const unsigned int strtab_shndx = symtabshdr.get_sh_link(); |
729 | off_t strtab_size; | |
730 | const unsigned char* pnamesu = this->section_contents(strtab_shndx, | |
9eb9fa57 ILT |
731 | &strtab_size, |
732 | true); | |
61ba1cf9 ILT |
733 | const char* pnames = reinterpret_cast<const char*>(pnamesu); |
734 | ||
735 | // Get a view into the output file. | |
736 | off_t output_size = this->output_local_symbol_count_ * sym_size; | |
737 | unsigned char* oview = of->get_output_view(this->local_symbol_offset_, | |
738 | output_size); | |
739 | ||
c06b7b0b ILT |
740 | const std::vector<Map_to_output>& mo(this->map_to_output()); |
741 | ||
a3ad94ed | 742 | gold_assert(this->local_values_.size() == loccount); |
61ba1cf9 | 743 | |
61ba1cf9 | 744 | unsigned char* ov = oview; |
c06b7b0b | 745 | psyms += sym_size; |
92e059d8 | 746 | for (unsigned int i = 1; i < loccount; ++i, psyms += sym_size) |
61ba1cf9 ILT |
747 | { |
748 | elfcpp::Sym<size, big_endian> isym(psyms); | |
f6ce93d6 | 749 | |
b8e6aad9 | 750 | if (!this->local_values_[i].needs_output_symtab_entry()) |
f6ce93d6 | 751 | continue; |
61ba1cf9 ILT |
752 | |
753 | unsigned int st_shndx = isym.get_st_shndx(); | |
754 | if (st_shndx < elfcpp::SHN_LORESERVE) | |
755 | { | |
a3ad94ed | 756 | gold_assert(st_shndx < mo.size()); |
61ba1cf9 ILT |
757 | if (mo[st_shndx].output_section == NULL) |
758 | continue; | |
ead1e424 | 759 | st_shndx = mo[st_shndx].output_section->out_shndx(); |
61ba1cf9 ILT |
760 | } |
761 | ||
f6ce93d6 ILT |
762 | elfcpp::Sym_write<size, big_endian> osym(ov); |
763 | ||
a3ad94ed | 764 | gold_assert(isym.get_st_name() < strtab_size); |
c06b7b0b ILT |
765 | const char* name = pnames + isym.get_st_name(); |
766 | osym.put_st_name(sympool->get_offset(name)); | |
b8e6aad9 | 767 | osym.put_st_value(this->local_values_[i].value(this, 0)); |
61ba1cf9 ILT |
768 | osym.put_st_size(isym.get_st_size()); |
769 | osym.put_st_info(isym.get_st_info()); | |
770 | osym.put_st_other(isym.get_st_other()); | |
771 | osym.put_st_shndx(st_shndx); | |
772 | ||
773 | ov += sym_size; | |
774 | } | |
775 | ||
a3ad94ed | 776 | gold_assert(ov - oview == output_size); |
61ba1cf9 ILT |
777 | |
778 | of->write_output_view(this->local_symbol_offset_, output_size, oview); | |
779 | } | |
780 | ||
54dc6425 ILT |
781 | // Input_objects methods. |
782 | ||
008db82e ILT |
783 | // Add a regular relocatable object to the list. Return false if this |
784 | // object should be ignored. | |
f6ce93d6 | 785 | |
008db82e | 786 | bool |
54dc6425 ILT |
787 | Input_objects::add_object(Object* obj) |
788 | { | |
008db82e | 789 | if (!obj->is_dynamic()) |
f6ce93d6 | 790 | this->relobj_list_.push_back(static_cast<Relobj*>(obj)); |
008db82e ILT |
791 | else |
792 | { | |
793 | // See if this is a duplicate SONAME. | |
794 | Dynobj* dynobj = static_cast<Dynobj*>(obj); | |
795 | ||
796 | std::pair<Unordered_set<std::string>::iterator, bool> ins = | |
797 | this->sonames_.insert(dynobj->soname()); | |
798 | if (!ins.second) | |
799 | { | |
800 | // We have already seen a dynamic object with this soname. | |
801 | return false; | |
802 | } | |
803 | ||
804 | this->dynobj_list_.push_back(dynobj); | |
805 | } | |
75f65a3e ILT |
806 | |
807 | Target* target = obj->target(); | |
808 | if (this->target_ == NULL) | |
809 | this->target_ = target; | |
810 | else if (this->target_ != target) | |
811 | { | |
812 | fprintf(stderr, "%s: %s: incompatible target\n", | |
813 | program_name, obj->name().c_str()); | |
814 | gold_exit(false); | |
815 | } | |
008db82e | 816 | |
9025d29d ILT |
817 | set_parameters_size_and_endianness(target->get_size(), |
818 | target->is_big_endian()); | |
819 | ||
008db82e | 820 | return true; |
54dc6425 ILT |
821 | } |
822 | ||
92e059d8 ILT |
823 | // Relocate_info methods. |
824 | ||
825 | // Return a string describing the location of a relocation. This is | |
826 | // only used in error messages. | |
827 | ||
828 | template<int size, bool big_endian> | |
829 | std::string | |
830 | Relocate_info<size, big_endian>::location(size_t relnum, off_t) const | |
831 | { | |
832 | std::string ret(this->object->name()); | |
833 | ret += ": reloc "; | |
834 | char buf[100]; | |
835 | snprintf(buf, sizeof buf, "%zu", relnum); | |
836 | ret += buf; | |
837 | ret += " in reloc section "; | |
838 | snprintf(buf, sizeof buf, "%u", this->reloc_shndx); | |
839 | ret += buf; | |
840 | ret += " (" + this->object->section_name(this->reloc_shndx); | |
841 | ret += ") for section "; | |
842 | snprintf(buf, sizeof buf, "%u", this->data_shndx); | |
843 | ret += buf; | |
844 | ret += " (" + this->object->section_name(this->data_shndx) + ")"; | |
845 | return ret; | |
846 | } | |
847 | ||
bae7f79e ILT |
848 | } // End namespace gold. |
849 | ||
850 | namespace | |
851 | { | |
852 | ||
853 | using namespace gold; | |
854 | ||
855 | // Read an ELF file with the header and return the appropriate | |
856 | // instance of Object. | |
857 | ||
858 | template<int size, bool big_endian> | |
859 | Object* | |
860 | make_elf_sized_object(const std::string& name, Input_file* input_file, | |
861 | off_t offset, const elfcpp::Ehdr<size, big_endian>& ehdr) | |
862 | { | |
863 | int et = ehdr.get_e_type(); | |
bae7f79e ILT |
864 | if (et == elfcpp::ET_REL) |
865 | { | |
f6ce93d6 ILT |
866 | Sized_relobj<size, big_endian>* obj = |
867 | new Sized_relobj<size, big_endian>(name, input_file, offset, ehdr); | |
bae7f79e ILT |
868 | obj->setup(ehdr); |
869 | return obj; | |
870 | } | |
dbe717ef ILT |
871 | else if (et == elfcpp::ET_DYN) |
872 | { | |
873 | Sized_dynobj<size, big_endian>* obj = | |
874 | new Sized_dynobj<size, big_endian>(name, input_file, offset, ehdr); | |
875 | obj->setup(ehdr); | |
876 | return obj; | |
877 | } | |
bae7f79e ILT |
878 | else |
879 | { | |
dbe717ef ILT |
880 | fprintf(stderr, _("%s: %s: unsupported ELF file type %d\n"), |
881 | program_name, name.c_str(), et); | |
bae7f79e | 882 | gold_exit(false); |
bae7f79e ILT |
883 | } |
884 | } | |
885 | ||
886 | } // End anonymous namespace. | |
887 | ||
888 | namespace gold | |
889 | { | |
890 | ||
891 | // Read an ELF file and return the appropriate instance of Object. | |
892 | ||
893 | Object* | |
894 | make_elf_object(const std::string& name, Input_file* input_file, off_t offset, | |
895 | const unsigned char* p, off_t bytes) | |
896 | { | |
897 | if (bytes < elfcpp::EI_NIDENT) | |
898 | { | |
899 | fprintf(stderr, _("%s: %s: ELF file too short\n"), | |
900 | program_name, name.c_str()); | |
901 | gold_exit(false); | |
902 | } | |
903 | ||
904 | int v = p[elfcpp::EI_VERSION]; | |
905 | if (v != elfcpp::EV_CURRENT) | |
906 | { | |
907 | if (v == elfcpp::EV_NONE) | |
908 | fprintf(stderr, _("%s: %s: invalid ELF version 0\n"), | |
909 | program_name, name.c_str()); | |
910 | else | |
911 | fprintf(stderr, _("%s: %s: unsupported ELF version %d\n"), | |
912 | program_name, name.c_str(), v); | |
913 | gold_exit(false); | |
914 | } | |
915 | ||
916 | int c = p[elfcpp::EI_CLASS]; | |
917 | if (c == elfcpp::ELFCLASSNONE) | |
918 | { | |
919 | fprintf(stderr, _("%s: %s: invalid ELF class 0\n"), | |
920 | program_name, name.c_str()); | |
921 | gold_exit(false); | |
922 | } | |
923 | else if (c != elfcpp::ELFCLASS32 | |
924 | && c != elfcpp::ELFCLASS64) | |
925 | { | |
926 | fprintf(stderr, _("%s: %s: unsupported ELF class %d\n"), | |
927 | program_name, name.c_str(), c); | |
928 | gold_exit(false); | |
929 | } | |
930 | ||
931 | int d = p[elfcpp::EI_DATA]; | |
932 | if (d == elfcpp::ELFDATANONE) | |
933 | { | |
934 | fprintf(stderr, _("%s: %s: invalid ELF data encoding\n"), | |
935 | program_name, name.c_str()); | |
936 | gold_exit(false); | |
937 | } | |
938 | else if (d != elfcpp::ELFDATA2LSB | |
939 | && d != elfcpp::ELFDATA2MSB) | |
940 | { | |
941 | fprintf(stderr, _("%s: %s: unsupported ELF data encoding %d\n"), | |
942 | program_name, name.c_str(), d); | |
943 | gold_exit(false); | |
944 | } | |
945 | ||
946 | bool big_endian = d == elfcpp::ELFDATA2MSB; | |
947 | ||
948 | if (c == elfcpp::ELFCLASS32) | |
949 | { | |
950 | if (bytes < elfcpp::Elf_sizes<32>::ehdr_size) | |
951 | { | |
952 | fprintf(stderr, _("%s: %s: ELF file too short\n"), | |
953 | program_name, name.c_str()); | |
954 | gold_exit(false); | |
955 | } | |
956 | if (big_endian) | |
957 | { | |
193a53d9 | 958 | #ifdef HAVE_TARGET_32_BIG |
bae7f79e ILT |
959 | elfcpp::Ehdr<32, true> ehdr(p); |
960 | return make_elf_sized_object<32, true>(name, input_file, | |
961 | offset, ehdr); | |
193a53d9 ILT |
962 | #else |
963 | fprintf(stderr, | |
964 | _("%s: %s: not configured to support 32-bit big-endian object\n"), | |
965 | program_name, name.c_str()); | |
966 | gold_exit(false); | |
967 | #endif | |
bae7f79e ILT |
968 | } |
969 | else | |
970 | { | |
193a53d9 | 971 | #ifdef HAVE_TARGET_32_LITTLE |
bae7f79e ILT |
972 | elfcpp::Ehdr<32, false> ehdr(p); |
973 | return make_elf_sized_object<32, false>(name, input_file, | |
974 | offset, ehdr); | |
193a53d9 ILT |
975 | #else |
976 | fprintf(stderr, | |
977 | _("%s: %s: not configured to support 32-bit little-endian object\n"), | |
978 | program_name, name.c_str()); | |
979 | gold_exit(false); | |
980 | #endif | |
bae7f79e ILT |
981 | } |
982 | } | |
983 | else | |
984 | { | |
985 | if (bytes < elfcpp::Elf_sizes<32>::ehdr_size) | |
986 | { | |
987 | fprintf(stderr, _("%s: %s: ELF file too short\n"), | |
988 | program_name, name.c_str()); | |
989 | gold_exit(false); | |
990 | } | |
991 | if (big_endian) | |
992 | { | |
193a53d9 | 993 | #ifdef HAVE_TARGET_64_BIG |
bae7f79e ILT |
994 | elfcpp::Ehdr<64, true> ehdr(p); |
995 | return make_elf_sized_object<64, true>(name, input_file, | |
996 | offset, ehdr); | |
193a53d9 ILT |
997 | #else |
998 | fprintf(stderr, | |
999 | _("%s: %s: not configured to support 64-bit big-endian object\n"), | |
1000 | program_name, name.c_str()); | |
1001 | gold_exit(false); | |
1002 | #endif | |
bae7f79e ILT |
1003 | } |
1004 | else | |
1005 | { | |
193a53d9 | 1006 | #ifdef HAVE_TARGET_64_LITTLE |
bae7f79e ILT |
1007 | elfcpp::Ehdr<64, false> ehdr(p); |
1008 | return make_elf_sized_object<64, false>(name, input_file, | |
1009 | offset, ehdr); | |
193a53d9 ILT |
1010 | #else |
1011 | fprintf(stderr, | |
1012 | _("%s: %s: not configured to support 64-bit little-endian object\n"), | |
1013 | program_name, name.c_str()); | |
1014 | gold_exit(false); | |
1015 | #endif | |
bae7f79e ILT |
1016 | } |
1017 | } | |
1018 | } | |
1019 | ||
1020 | // Instantiate the templates we need. We could use the configure | |
1021 | // script to restrict this to only the ones for implemented targets. | |
1022 | ||
193a53d9 | 1023 | #ifdef HAVE_TARGET_32_LITTLE |
bae7f79e | 1024 | template |
f6ce93d6 | 1025 | class Sized_relobj<32, false>; |
193a53d9 | 1026 | #endif |
bae7f79e | 1027 | |
193a53d9 | 1028 | #ifdef HAVE_TARGET_32_BIG |
bae7f79e | 1029 | template |
f6ce93d6 | 1030 | class Sized_relobj<32, true>; |
193a53d9 | 1031 | #endif |
bae7f79e | 1032 | |
193a53d9 | 1033 | #ifdef HAVE_TARGET_64_LITTLE |
bae7f79e | 1034 | template |
f6ce93d6 | 1035 | class Sized_relobj<64, false>; |
193a53d9 | 1036 | #endif |
bae7f79e | 1037 | |
193a53d9 | 1038 | #ifdef HAVE_TARGET_64_BIG |
bae7f79e | 1039 | template |
f6ce93d6 | 1040 | class Sized_relobj<64, true>; |
193a53d9 | 1041 | #endif |
bae7f79e | 1042 | |
193a53d9 | 1043 | #ifdef HAVE_TARGET_32_LITTLE |
92e059d8 ILT |
1044 | template |
1045 | struct Relocate_info<32, false>; | |
193a53d9 | 1046 | #endif |
92e059d8 | 1047 | |
193a53d9 | 1048 | #ifdef HAVE_TARGET_32_BIG |
92e059d8 ILT |
1049 | template |
1050 | struct Relocate_info<32, true>; | |
193a53d9 | 1051 | #endif |
92e059d8 | 1052 | |
193a53d9 | 1053 | #ifdef HAVE_TARGET_64_LITTLE |
92e059d8 ILT |
1054 | template |
1055 | struct Relocate_info<64, false>; | |
193a53d9 | 1056 | #endif |
92e059d8 | 1057 | |
193a53d9 | 1058 | #ifdef HAVE_TARGET_64_BIG |
92e059d8 ILT |
1059 | template |
1060 | struct Relocate_info<64, true>; | |
193a53d9 | 1061 | #endif |
92e059d8 | 1062 | |
bae7f79e | 1063 | } // End namespace gold. |