1 // object.cc -- support for an object file for linking in gold
10 #include "target-select.h"
22 // Set the target based on fields in the ELF file header.
25 Object::set_target(int machine, int size, bool big_endian, int osabi,
28 Target* target = select_target(machine, size, big_endian, osabi, abiversion);
31 fprintf(stderr, _("%s: %s: unsupported ELF machine number %d\n"),
32 program_name, this->name().c_str(), machine);
35 this->target_ = target;
38 // Report an error for the elfcpp::Elf_file interface.
41 Object::error(const char* format, ...)
45 fprintf(stderr, "%s: %s: ", program_name, this->name().c_str());
46 va_start(args, format);
47 vfprintf(stderr, format, args);
54 // Return a view of the contents of a section.
57 Object::section_contents(unsigned int shndx, off_t* plen)
59 Location loc(this->do_section_contents(shndx));
60 *plen = loc.data_size;
61 return this->get_view(loc.file_offset, loc.data_size);
64 // Read the section data into SD. This is code common to Sized_relobj
65 // and Sized_dynobj, so we put it into Object.
67 template<int size, bool big_endian>
69 Object::read_section_data(elfcpp::Elf_file<size, big_endian, Object>* elf_file,
70 Read_symbols_data* sd)
72 const int shdr_size = elfcpp::Elf_sizes<size>::shdr_size;
74 // Read the section headers.
75 const off_t shoff = elf_file->shoff();
76 const unsigned int shnum = this->shnum();
77 sd->section_headers = this->get_lasting_view(shoff, shnum * shdr_size);
79 // Read the section names.
80 const unsigned char* pshdrs = sd->section_headers->data();
81 const unsigned char* pshdrnames = pshdrs + elf_file->shstrndx() * shdr_size;
82 typename elfcpp::Shdr<size, big_endian> shdrnames(pshdrnames);
84 if (shdrnames.get_sh_type() != elfcpp::SHT_STRTAB)
87 _("%s: %s: section name section has wrong type: %u\n"),
88 program_name, this->name().c_str(),
89 static_cast<unsigned int>(shdrnames.get_sh_type()));
93 sd->section_names_size = shdrnames.get_sh_size();
94 sd->section_names = this->get_lasting_view(shdrnames.get_sh_offset(),
95 sd->section_names_size);
98 // If NAME is the name of a special .gnu.warning section, arrange for
99 // the warning to be issued. SHNDX is the section index. Return
100 // whether it is a warning section.
103 Object::handle_gnu_warning_section(const char* name, unsigned int shndx,
104 Symbol_table* symtab)
106 const char warn_prefix[] = ".gnu.warning.";
107 const int warn_prefix_len = sizeof warn_prefix - 1;
108 if (strncmp(name, warn_prefix, warn_prefix_len) == 0)
110 symtab->add_warning(name + warn_prefix_len, this, shndx);
116 // Class Sized_relobj.
118 template<int size, bool big_endian>
119 Sized_relobj<size, big_endian>::Sized_relobj(
120 const std::string& name,
121 Input_file* input_file,
123 const elfcpp::Ehdr<size, big_endian>& ehdr)
124 : Relobj(name, input_file, offset),
125 elf_file_(this, ehdr),
127 local_symbol_count_(0),
128 output_local_symbol_count_(0),
130 local_symbol_offset_(0),
136 template<int size, bool big_endian>
137 Sized_relobj<size, big_endian>::~Sized_relobj()
141 // Set up an object file based on the file header. This sets up the
142 // target and reads the section information.
144 template<int size, bool big_endian>
146 Sized_relobj<size, big_endian>::setup(
147 const elfcpp::Ehdr<size, big_endian>& ehdr)
149 this->set_target(ehdr.get_e_machine(), size, big_endian,
150 ehdr.get_e_ident()[elfcpp::EI_OSABI],
151 ehdr.get_e_ident()[elfcpp::EI_ABIVERSION]);
153 const unsigned int shnum = this->elf_file_.shnum();
154 this->set_shnum(shnum);
157 // Find the SHT_SYMTAB section, given the section headers. The ELF
158 // standard says that maybe in the future there can be more than one
159 // SHT_SYMTAB section. Until somebody figures out how that could
160 // work, we assume there is only one.
162 template<int size, bool big_endian>
164 Sized_relobj<size, big_endian>::find_symtab(const unsigned char* pshdrs)
166 const unsigned int shnum = this->shnum();
167 this->symtab_shndx_ = 0;
170 // Look through the sections in reverse order, since gas tends
171 // to put the symbol table at the end.
172 const unsigned char* p = pshdrs + shnum * This::shdr_size;
173 unsigned int i = shnum;
177 p -= This::shdr_size;
178 typename This::Shdr shdr(p);
179 if (shdr.get_sh_type() == elfcpp::SHT_SYMTAB)
181 this->symtab_shndx_ = i;
188 // Read the sections and symbols from an object file.
190 template<int size, bool big_endian>
192 Sized_relobj<size, big_endian>::do_read_symbols(Read_symbols_data* sd)
194 this->read_section_data(&this->elf_file_, sd);
196 const unsigned char* const pshdrs = sd->section_headers->data();
198 this->find_symtab(pshdrs);
200 if (this->symtab_shndx_ == 0)
202 // No symbol table. Weird but legal.
204 sd->symbols_size = 0;
205 sd->symbol_names = NULL;
206 sd->symbol_names_size = 0;
210 // Get the symbol table section header.
211 typename This::Shdr symtabshdr(pshdrs
212 + this->symtab_shndx_ * This::shdr_size);
213 assert(symtabshdr.get_sh_type() == elfcpp::SHT_SYMTAB);
215 // We only need the external symbols.
216 const int sym_size = This::sym_size;
217 const unsigned int loccount = symtabshdr.get_sh_info();
218 this->local_symbol_count_ = loccount;
219 off_t locsize = loccount * sym_size;
220 off_t extoff = symtabshdr.get_sh_offset() + locsize;
221 off_t extsize = symtabshdr.get_sh_size() - locsize;
223 // Read the symbol table.
224 File_view* fvsymtab = this->get_lasting_view(extoff, extsize);
226 // Read the section header for the symbol names.
227 unsigned int strtab_shndx = symtabshdr.get_sh_link();
228 if (strtab_shndx >= this->shnum())
230 fprintf(stderr, _("%s: %s: invalid symbol table name index: %u\n"),
231 program_name, this->name().c_str(), strtab_shndx);
234 typename This::Shdr strtabshdr(pshdrs + strtab_shndx * This::shdr_size);
235 if (strtabshdr.get_sh_type() != elfcpp::SHT_STRTAB)
238 _("%s: %s: symbol table name section has wrong type: %u\n"),
239 program_name, this->name().c_str(),
240 static_cast<unsigned int>(strtabshdr.get_sh_type()));
244 // Read the symbol names.
245 File_view* fvstrtab = this->get_lasting_view(strtabshdr.get_sh_offset(),
246 strtabshdr.get_sh_size());
248 sd->symbols = fvsymtab;
249 sd->symbols_size = extsize;
250 sd->symbol_names = fvstrtab;
251 sd->symbol_names_size = strtabshdr.get_sh_size();
254 // Return whether to include a section group in the link. LAYOUT is
255 // used to keep track of which section groups we have already seen.
256 // INDEX is the index of the section group and SHDR is the section
257 // header. If we do not want to include this group, we set bits in
258 // OMIT for each section which should be discarded.
260 template<int size, bool big_endian>
262 Sized_relobj<size, big_endian>::include_section_group(
265 const elfcpp::Shdr<size, big_endian>& shdr,
266 std::vector<bool>* omit)
268 // Read the section contents.
269 const unsigned char* pcon = this->get_view(shdr.get_sh_offset(),
271 const elfcpp::Elf_Word* pword =
272 reinterpret_cast<const elfcpp::Elf_Word*>(pcon);
274 // The first word contains flags. We only care about COMDAT section
275 // groups. Other section groups are always included in the link
276 // just like ordinary sections.
277 elfcpp::Elf_Word flags = elfcpp::Swap<32, big_endian>::readval(pword);
278 if ((flags & elfcpp::GRP_COMDAT) == 0)
281 // Look up the group signature, which is the name of a symbol. This
282 // is a lot of effort to go to to read a string. Why didn't they
283 // just use the name of the SHT_GROUP section as the group
286 // Get the appropriate symbol table header (this will normally be
287 // the single SHT_SYMTAB section, but in principle it need not be).
288 const unsigned int link = shdr.get_sh_link();
289 typename This::Shdr symshdr(this, this->elf_file_.section_header(link));
291 // Read the symbol table entry.
292 if (shdr.get_sh_info() >= symshdr.get_sh_size() / This::sym_size)
294 fprintf(stderr, _("%s: %s: section group %u info %u out of range\n"),
295 program_name, this->name().c_str(), index, shdr.get_sh_info());
298 off_t symoff = symshdr.get_sh_offset() + shdr.get_sh_info() * This::sym_size;
299 const unsigned char* psym = this->get_view(symoff, This::sym_size);
300 elfcpp::Sym<size, big_endian> sym(psym);
302 // Read the symbol table names.
304 const unsigned char* psymnamesu;
305 psymnamesu = this->section_contents(symshdr.get_sh_link(), &symnamelen);
306 const char* psymnames = reinterpret_cast<const char*>(psymnamesu);
308 // Get the section group signature.
309 if (sym.get_st_name() >= symnamelen)
311 fprintf(stderr, _("%s: %s: symbol %u name offset %u out of range\n"),
312 program_name, this->name().c_str(), shdr.get_sh_info(),
317 const char* signature = psymnames + sym.get_st_name();
319 // It seems that some versions of gas will create a section group
320 // associated with a section symbol, and then fail to give a name to
321 // the section symbol. In such a case, use the name of the section.
324 if (signature[0] == '\0' && sym.get_st_type() == elfcpp::STT_SECTION)
326 secname = this->section_name(sym.get_st_shndx());
327 signature = secname.c_str();
330 // Record this section group, and see whether we've already seen one
331 // with the same signature.
332 if (layout->add_comdat(signature, true))
335 // This is a duplicate. We want to discard the sections in this
337 size_t count = shdr.get_sh_size() / sizeof(elfcpp::Elf_Word);
338 for (size_t i = 1; i < count; ++i)
340 elfcpp::Elf_Word secnum =
341 elfcpp::Swap<32, big_endian>::readval(pword + i);
342 if (secnum >= this->shnum())
345 _("%s: %s: section %u in section group %u out of range"),
346 program_name, this->name().c_str(), secnum,
350 (*omit)[secnum] = true;
356 // Whether to include a linkonce section in the link. NAME is the
357 // name of the section and SHDR is the section header.
359 // Linkonce sections are a GNU extension implemented in the original
360 // GNU linker before section groups were defined. The semantics are
361 // that we only include one linkonce section with a given name. The
362 // name of a linkonce section is normally .gnu.linkonce.T.SYMNAME,
363 // where T is the type of section and SYMNAME is the name of a symbol.
364 // In an attempt to make linkonce sections interact well with section
365 // groups, we try to identify SYMNAME and use it like a section group
366 // signature. We want to block section groups with that signature,
367 // but not other linkonce sections with that signature. We also use
368 // the full name of the linkonce section as a normal section group
371 template<int size, bool big_endian>
373 Sized_relobj<size, big_endian>::include_linkonce_section(
376 const elfcpp::Shdr<size, big_endian>&)
378 const char* symname = strrchr(name, '.') + 1;
379 bool include1 = layout->add_comdat(symname, false);
380 bool include2 = layout->add_comdat(name, true);
381 return include1 && include2;
384 // Lay out the input sections. We walk through the sections and check
385 // whether they should be included in the link. If they should, we
386 // pass them to the Layout object, which will return an output section
389 template<int size, bool big_endian>
391 Sized_relobj<size, big_endian>::do_layout(const General_options& options,
392 Symbol_table* symtab,
394 Read_symbols_data* sd)
396 const unsigned int shnum = this->shnum();
400 // Get the section headers.
401 const unsigned char* pshdrs = sd->section_headers->data();
403 // Get the section names.
404 const unsigned char* pnamesu = sd->section_names->data();
405 const char* pnames = reinterpret_cast<const char*>(pnamesu);
407 std::vector<Map_to_output>& map_sections(this->map_to_output());
408 map_sections.resize(shnum);
410 // Keep track of which sections to omit.
411 std::vector<bool> omit(shnum, false);
413 // Skip the first, dummy, section.
414 pshdrs += This::shdr_size;
415 for (unsigned int i = 1; i < shnum; ++i, pshdrs += This::shdr_size)
417 typename This::Shdr shdr(pshdrs);
419 if (shdr.get_sh_name() >= sd->section_names_size)
422 _("%s: %s: bad section name offset for section %u: %lu\n"),
423 program_name, this->name().c_str(), i,
424 static_cast<unsigned long>(shdr.get_sh_name()));
428 const char* name = pnames + shdr.get_sh_name();
430 if (this->handle_gnu_warning_section(name, i, symtab))
432 if (!options.is_relocatable())
436 bool discard = omit[i];
439 if (shdr.get_sh_type() == elfcpp::SHT_GROUP)
441 if (!this->include_section_group(layout, i, shdr, &omit))
444 else if (Layout::is_linkonce(name))
446 if (!this->include_linkonce_section(layout, name, shdr))
453 // Do not include this section in the link.
454 map_sections[i].output_section = NULL;
459 Output_section* os = layout->layout(this, i, name, shdr, &offset);
461 map_sections[i].output_section = os;
462 map_sections[i].offset = offset;
465 delete sd->section_headers;
466 sd->section_headers = NULL;
467 delete sd->section_names;
468 sd->section_names = NULL;
471 // Add the symbols to the symbol table.
473 template<int size, bool big_endian>
475 Sized_relobj<size, big_endian>::do_add_symbols(Symbol_table* symtab,
476 Read_symbols_data* sd)
478 if (sd->symbols == NULL)
480 assert(sd->symbol_names == NULL);
484 const int sym_size = This::sym_size;
485 size_t symcount = sd->symbols_size / sym_size;
486 if (symcount * sym_size != sd->symbols_size)
489 _("%s: %s: size of symbols is not multiple of symbol size\n"),
490 program_name, this->name().c_str());
494 this->symbols_ = new Symbol*[symcount];
496 const char* sym_names =
497 reinterpret_cast<const char*>(sd->symbol_names->data());
498 symtab->add_from_relobj(this, sd->symbols->data(), symcount, sym_names,
499 sd->symbol_names_size, this->symbols_);
503 delete sd->symbol_names;
504 sd->symbol_names = NULL;
507 // Finalize the local symbols. Here we record the file offset at
508 // which they should be output, we add their names to *POOL, and we
509 // add their values to THIS->LOCAL_VALUES_ and their indexes in the
510 // output symbol table to THIS->LOCAL_INDEXES_. Return the symbol
511 // index. This function is always called from the main thread. The
512 // actual output of the local symbols will occur in a separate task.
514 template<int size, bool big_endian>
516 Sized_relobj<size, big_endian>::do_finalize_local_symbols(unsigned int index,
520 assert(this->symtab_shndx_ != -1U);
521 if (this->symtab_shndx_ == 0)
523 // This object has no symbols. Weird but legal.
527 assert(off == static_cast<off_t>(align_address(off, size >> 3)));
529 this->local_symbol_offset_ = off;
531 // Read the symbol table section header.
532 const unsigned int symtab_shndx = this->symtab_shndx_;
533 typename This::Shdr symtabshdr(this,
534 this->elf_file_.section_header(symtab_shndx));
535 assert(symtabshdr.get_sh_type() == elfcpp::SHT_SYMTAB);
537 // Read the local symbols.
538 const int sym_size = This::sym_size;
539 const unsigned int loccount = this->local_symbol_count_;
540 assert(loccount == symtabshdr.get_sh_info());
541 off_t locsize = loccount * sym_size;
542 const unsigned char* psyms = this->get_view(symtabshdr.get_sh_offset(),
545 this->local_values_.resize(loccount);
546 this->local_indexes_.resize(loccount);
548 // Read the symbol names.
549 const unsigned int strtab_shndx = symtabshdr.get_sh_link();
551 const unsigned char* pnamesu = this->section_contents(strtab_shndx,
553 const char* pnames = reinterpret_cast<const char*>(pnamesu);
555 // Loop over the local symbols.
557 const std::vector<Map_to_output>& mo(this->map_to_output());
558 unsigned int shnum = this->shnum();
559 unsigned int count = 0;
560 // Skip the first, dummy, symbol.
562 for (unsigned int i = 1; i < loccount; ++i, psyms += sym_size)
564 elfcpp::Sym<size, big_endian> sym(psyms);
566 unsigned int shndx = sym.get_st_shndx();
568 if (shndx >= elfcpp::SHN_LORESERVE)
570 if (shndx == elfcpp::SHN_ABS)
571 this->local_values_[i] = sym.get_st_value();
574 // FIXME: Handle SHN_XINDEX.
576 _("%s: %s: unknown section index %u "
577 "for local symbol %u\n"),
578 program_name, this->name().c_str(), shndx, i);
587 _("%s: %s: local symbol %u section index %u "
589 program_name, this->name().c_str(), i, shndx);
593 if (mo[shndx].output_section == NULL)
595 this->local_values_[i] = 0;
596 this->local_indexes_[i] = -1U;
600 this->local_values_[i] = (mo[shndx].output_section->address()
602 + sym.get_st_value());
605 // Decide whether this symbol should go into the output file.
607 if (sym.get_st_type() == elfcpp::STT_SECTION)
609 this->local_indexes_[i] = -1U;
613 if (sym.get_st_name() >= strtab_size)
616 _("%s: %s: local symbol %u section name "
617 "out of range: %u >= %u\n"),
618 program_name, this->name().c_str(),
619 i, sym.get_st_name(),
620 static_cast<unsigned int>(strtab_size));
624 const char* name = pnames + sym.get_st_name();
625 pool->add(name, NULL);
626 this->local_indexes_[i] = index;
632 this->output_local_symbol_count_ = count;
637 // Write out the local symbols.
639 template<int size, bool big_endian>
641 Sized_relobj<size, big_endian>::write_local_symbols(Output_file* of,
642 const Stringpool* sympool)
644 assert(this->symtab_shndx_ != -1U);
645 if (this->symtab_shndx_ == 0)
647 // This object has no symbols. Weird but legal.
651 // Read the symbol table section header.
652 const unsigned int symtab_shndx = this->symtab_shndx_;
653 typename This::Shdr symtabshdr(this,
654 this->elf_file_.section_header(symtab_shndx));
655 assert(symtabshdr.get_sh_type() == elfcpp::SHT_SYMTAB);
656 const unsigned int loccount = this->local_symbol_count_;
657 assert(loccount == symtabshdr.get_sh_info());
659 // Read the local symbols.
660 const int sym_size = This::sym_size;
661 off_t locsize = loccount * sym_size;
662 const unsigned char* psyms = this->get_view(symtabshdr.get_sh_offset(),
665 // Read the symbol names.
666 const unsigned int strtab_shndx = symtabshdr.get_sh_link();
668 const unsigned char* pnamesu = this->section_contents(strtab_shndx,
670 const char* pnames = reinterpret_cast<const char*>(pnamesu);
672 // Get a view into the output file.
673 off_t output_size = this->output_local_symbol_count_ * sym_size;
674 unsigned char* oview = of->get_output_view(this->local_symbol_offset_,
677 const std::vector<Map_to_output>& mo(this->map_to_output());
679 assert(this->local_values_.size() == loccount);
680 assert(this->local_indexes_.size() == loccount);
682 unsigned char* ov = oview;
684 for (unsigned int i = 1; i < loccount; ++i, psyms += sym_size)
686 elfcpp::Sym<size, big_endian> isym(psyms);
688 if (this->local_indexes_[i] == -1U)
690 assert(this->local_indexes_[i] != 0);
692 unsigned int st_shndx = isym.get_st_shndx();
693 if (st_shndx < elfcpp::SHN_LORESERVE)
695 assert(st_shndx < mo.size());
696 if (mo[st_shndx].output_section == NULL)
698 st_shndx = mo[st_shndx].output_section->out_shndx();
701 elfcpp::Sym_write<size, big_endian> osym(ov);
703 assert(isym.get_st_name() < strtab_size);
704 const char* name = pnames + isym.get_st_name();
705 osym.put_st_name(sympool->get_offset(name));
706 osym.put_st_value(this->local_values_[i]);
707 osym.put_st_size(isym.get_st_size());
708 osym.put_st_info(isym.get_st_info());
709 osym.put_st_other(isym.get_st_other());
710 osym.put_st_shndx(st_shndx);
715 assert(ov - oview == output_size);
717 of->write_output_view(this->local_symbol_offset_, output_size, oview);
720 // Input_objects methods.
722 // Add a regular relocatable object to the list.
725 Input_objects::add_object(Object* obj)
727 if (obj->is_dynamic())
728 this->dynobj_list_.push_back(static_cast<Dynobj*>(obj));
730 this->relobj_list_.push_back(static_cast<Relobj*>(obj));
732 Target* target = obj->target();
733 if (this->target_ == NULL)
734 this->target_ = target;
735 else if (this->target_ != target)
737 fprintf(stderr, "%s: %s: incompatible target\n",
738 program_name, obj->name().c_str());
743 // Relocate_info methods.
745 // Return a string describing the location of a relocation. This is
746 // only used in error messages.
748 template<int size, bool big_endian>
750 Relocate_info<size, big_endian>::location(size_t relnum, off_t) const
752 std::string ret(this->object->name());
755 snprintf(buf, sizeof buf, "%zu", relnum);
757 ret += " in reloc section ";
758 snprintf(buf, sizeof buf, "%u", this->reloc_shndx);
760 ret += " (" + this->object->section_name(this->reloc_shndx);
761 ret += ") for section ";
762 snprintf(buf, sizeof buf, "%u", this->data_shndx);
764 ret += " (" + this->object->section_name(this->data_shndx) + ")";
768 } // End namespace gold.
773 using namespace gold;
775 // Read an ELF file with the header and return the appropriate
776 // instance of Object.
778 template<int size, bool big_endian>
780 make_elf_sized_object(const std::string& name, Input_file* input_file,
781 off_t offset, const elfcpp::Ehdr<size, big_endian>& ehdr)
783 int et = ehdr.get_e_type();
784 if (et == elfcpp::ET_REL)
786 Sized_relobj<size, big_endian>* obj =
787 new Sized_relobj<size, big_endian>(name, input_file, offset, ehdr);
791 else if (et == elfcpp::ET_DYN)
793 Sized_dynobj<size, big_endian>* obj =
794 new Sized_dynobj<size, big_endian>(name, input_file, offset, ehdr);
800 fprintf(stderr, _("%s: %s: unsupported ELF file type %d\n"),
801 program_name, name.c_str(), et);
806 } // End anonymous namespace.
811 // Read an ELF file and return the appropriate instance of Object.
814 make_elf_object(const std::string& name, Input_file* input_file, off_t offset,
815 const unsigned char* p, off_t bytes)
817 if (bytes < elfcpp::EI_NIDENT)
819 fprintf(stderr, _("%s: %s: ELF file too short\n"),
820 program_name, name.c_str());
824 int v = p[elfcpp::EI_VERSION];
825 if (v != elfcpp::EV_CURRENT)
827 if (v == elfcpp::EV_NONE)
828 fprintf(stderr, _("%s: %s: invalid ELF version 0\n"),
829 program_name, name.c_str());
831 fprintf(stderr, _("%s: %s: unsupported ELF version %d\n"),
832 program_name, name.c_str(), v);
836 int c = p[elfcpp::EI_CLASS];
837 if (c == elfcpp::ELFCLASSNONE)
839 fprintf(stderr, _("%s: %s: invalid ELF class 0\n"),
840 program_name, name.c_str());
843 else if (c != elfcpp::ELFCLASS32
844 && c != elfcpp::ELFCLASS64)
846 fprintf(stderr, _("%s: %s: unsupported ELF class %d\n"),
847 program_name, name.c_str(), c);
851 int d = p[elfcpp::EI_DATA];
852 if (d == elfcpp::ELFDATANONE)
854 fprintf(stderr, _("%s: %s: invalid ELF data encoding\n"),
855 program_name, name.c_str());
858 else if (d != elfcpp::ELFDATA2LSB
859 && d != elfcpp::ELFDATA2MSB)
861 fprintf(stderr, _("%s: %s: unsupported ELF data encoding %d\n"),
862 program_name, name.c_str(), d);
866 bool big_endian = d == elfcpp::ELFDATA2MSB;
868 if (c == elfcpp::ELFCLASS32)
870 if (bytes < elfcpp::Elf_sizes<32>::ehdr_size)
872 fprintf(stderr, _("%s: %s: ELF file too short\n"),
873 program_name, name.c_str());
878 elfcpp::Ehdr<32, true> ehdr(p);
879 return make_elf_sized_object<32, true>(name, input_file,
884 elfcpp::Ehdr<32, false> ehdr(p);
885 return make_elf_sized_object<32, false>(name, input_file,
891 if (bytes < elfcpp::Elf_sizes<32>::ehdr_size)
893 fprintf(stderr, _("%s: %s: ELF file too short\n"),
894 program_name, name.c_str());
899 elfcpp::Ehdr<64, true> ehdr(p);
900 return make_elf_sized_object<64, true>(name, input_file,
905 elfcpp::Ehdr<64, false> ehdr(p);
906 return make_elf_sized_object<64, false>(name, input_file,
912 // Instantiate the templates we need. We could use the configure
913 // script to restrict this to only the ones for implemented targets.
916 class Sized_relobj<32, false>;
919 class Sized_relobj<32, true>;
922 class Sized_relobj<64, false>;
925 class Sized_relobj<64, true>;
928 struct Relocate_info<32, false>;
931 struct Relocate_info<32, true>;
934 struct Relocate_info<64, false>;
937 struct Relocate_info<64, true>;
939 } // End namespace gold.