+ // Actually read the data.
+ if (!rm.empty())
+ {
+ if (!is_sorted)
+ std::sort(rm.begin(), rm.end(), Read_multiple_compare());
+ this->read_multiple(rm);
+ }
+}
+
+// Relocate section data. VIEWS points to the section data as views
+// in the output file.
+
+template<int size, bool big_endian>
+void
+Sized_relobj_file<size, big_endian>::do_relocate_sections(
+ const Symbol_table* symtab,
+ const Layout* layout,
+ const unsigned char* pshdrs,
+ Output_file* of,
+ Views* pviews)
+{
+ this->relocate_section_range(symtab, layout, pshdrs, of, pviews,
+ 1, this->shnum() - 1);
+}
+
+// Relocate section data for the range of sections START_SHNDX through
+// END_SHNDX.
+
+template<int size, bool big_endian>
+void
+Sized_relobj_file<size, big_endian>::relocate_section_range(
+ const Symbol_table* symtab,
+ const Layout* layout,
+ const unsigned char* pshdrs,
+ Output_file* of,
+ Views* pviews,
+ unsigned int start_shndx,
+ unsigned int end_shndx)
+{
+ gold_assert(start_shndx >= 1);
+ gold_assert(end_shndx < this->shnum());
+
+ if (end_shndx < start_shndx)
+ return;
+
+ Sized_target<size, big_endian>* target =
+ parameters->sized_target<size, big_endian>();
+
+ const Output_sections& out_sections(this->output_sections());
+ const std::vector<Address>& out_offsets(this->section_offsets());
+
+ Relocate_info<size, big_endian> relinfo;
+ relinfo.symtab = symtab;
+ relinfo.layout = layout;
+ relinfo.object = this;
+
+ const unsigned char* p = pshdrs + start_shndx * This::shdr_size;
+ for (unsigned int i = start_shndx; i <= end_shndx; ++i, p += This::shdr_size)
+ {
+ typename This::Shdr shdr(p);
+
+ unsigned int sh_type = shdr.get_sh_type();
+ if (sh_type != elfcpp::SHT_REL && sh_type != elfcpp::SHT_RELA)
+ continue;
+
+ off_t sh_size = shdr.get_sh_size();
+ if (sh_size == 0)
+ continue;
+
+ unsigned int index = this->adjust_shndx(shdr.get_sh_info());
+ if (index >= this->shnum())
+ {
+ this->error(_("relocation section %u has bad info %u"),
+ i, index);
+ continue;
+ }
+
+ Output_section* os = out_sections[index];
+ if (os == NULL)
+ {
+ // This relocation section is against a section which we
+ // discarded.
+ continue;
+ }
+ Address output_offset = out_offsets[index];
+
+ gold_assert((*pviews)[index].view != NULL);
+ if (parameters->options().relocatable())
+ gold_assert((*pviews)[i].view != NULL);
+
+ if (this->adjust_shndx(shdr.get_sh_link()) != this->symtab_shndx_)
+ {
+ gold_error(_("relocation section %u uses unexpected "
+ "symbol table %u"),
+ i, this->adjust_shndx(shdr.get_sh_link()));
+ continue;
+ }
+
+ const unsigned char* prelocs = this->get_view(shdr.get_sh_offset(),
+ sh_size, true, false);
+
+ unsigned int reloc_size;
+ if (sh_type == elfcpp::SHT_REL)
+ reloc_size = elfcpp::Elf_sizes<size>::rel_size;
+ else
+ reloc_size = elfcpp::Elf_sizes<size>::rela_size;
+
+ if (reloc_size != shdr.get_sh_entsize())
+ {
+ gold_error(_("unexpected entsize for reloc section %u: %lu != %u"),
+ i, static_cast<unsigned long>(shdr.get_sh_entsize()),
+ reloc_size);
+ continue;
+ }
+
+ size_t reloc_count = sh_size / reloc_size;
+ if (static_cast<off_t>(reloc_count * reloc_size) != sh_size)
+ {
+ gold_error(_("reloc section %u size %lu uneven"),
+ i, static_cast<unsigned long>(sh_size));
+ continue;
+ }
+
+ gold_assert(output_offset != invalid_address
+ || this->relocs_must_follow_section_writes());
+
+ relinfo.reloc_shndx = i;
+ relinfo.reloc_shdr = p;
+ relinfo.data_shndx = index;
+ relinfo.data_shdr = pshdrs + index * This::shdr_size;
+ unsigned char* view = (*pviews)[index].view;
+ Address address = (*pviews)[index].address;
+ section_size_type view_size = (*pviews)[index].view_size;
+
+ Reloc_symbol_changes* reloc_map = NULL;
+ if (this->uses_split_stack() && output_offset != invalid_address)
+ {
+ typename This::Shdr data_shdr(pshdrs + index * This::shdr_size);
+ if ((data_shdr.get_sh_flags() & elfcpp::SHF_EXECINSTR) != 0)
+ this->split_stack_adjust(symtab, pshdrs, sh_type, index,
+ prelocs, reloc_count, view, view_size,
+ &reloc_map, target);
+ }
+
+ Relocatable_relocs* rr = NULL;
+ if (parameters->options().emit_relocs()
+ || parameters->options().relocatable())
+ rr = this->relocatable_relocs(i);
+ relinfo.rr = rr;
+
+ if (!parameters->options().relocatable())
+ {
+ target->relocate_section(&relinfo, sh_type, prelocs, reloc_count, os,
+ output_offset == invalid_address,
+ view, address, view_size, reloc_map);
+ if (parameters->options().emit_relocs())
+ target->relocate_relocs(&relinfo, sh_type, prelocs, reloc_count,
+ os, output_offset,
+ view, address, view_size,
+ (*pviews)[i].view,
+ (*pviews)[i].view_size);
+ if (parameters->incremental())
+ this->incremental_relocs_write(&relinfo, sh_type, prelocs,
+ reloc_count, os, output_offset, of);
+ }
+ else
+ target->relocate_relocs(&relinfo, sh_type, prelocs, reloc_count,
+ os, output_offset,
+ view, address, view_size,
+ (*pviews)[i].view,
+ (*pviews)[i].view_size);
+ }
+}
+
+// Return the output view for section SHNDX.
+
+template<int size, bool big_endian>
+unsigned char*
+Sized_relobj_file<size, big_endian>::do_get_output_view(
+ unsigned int shndx,
+ section_size_type* plen) const
+{
+ gold_assert(this->output_views_ != NULL);
+ gold_assert(shndx < this->output_views_->size());
+ const View_size& v = (*this->output_views_)[shndx];
+ *plen = v.view_size;
+ return v.view;
+}
+
+// Write the incremental relocs.
+
+template<int size, bool big_endian>
+void
+Sized_relobj_file<size, big_endian>::incremental_relocs_write(
+ const Relocate_info<size, big_endian>* relinfo,
+ unsigned int sh_type,
+ const unsigned char* prelocs,
+ size_t reloc_count,
+ Output_section* output_section,
+ Address output_offset,
+ Output_file* of)
+{
+ if (sh_type == elfcpp::SHT_REL)
+ this->incremental_relocs_write_reltype<elfcpp::SHT_REL>(
+ relinfo,
+ prelocs,
+ reloc_count,
+ output_section,
+ output_offset,
+ of);
+ else
+ {
+ gold_assert(sh_type == elfcpp::SHT_RELA);
+ this->incremental_relocs_write_reltype<elfcpp::SHT_RELA>(
+ relinfo,
+ prelocs,
+ reloc_count,
+ output_section,
+ output_offset,
+ of);
+ }
+}
+
+// Write the incremental relocs, templatized on the type of the
+// relocation section.
+
+template<int size, bool big_endian>
+template<int sh_type>
+void
+Sized_relobj_file<size, big_endian>::incremental_relocs_write_reltype(
+ const Relocate_info<size, big_endian>* relinfo,
+ const unsigned char* prelocs,
+ size_t reloc_count,
+ Output_section* output_section,
+ Address output_offset,
+ Output_file* of)
+{
+ typedef typename Reloc_types<sh_type, size, big_endian>::Reloc Reloc;
+ const unsigned int reloc_size =
+ Reloc_types<sh_type, size, big_endian>::reloc_size;
+ const unsigned int sizeof_addr = size / 8;
+ const unsigned int incr_reloc_size =
+ Incremental_relocs_reader<size, big_endian>::reloc_size;
+
+ unsigned int out_shndx = output_section->out_shndx();
+
+ // Get a view for the .gnu_incremental_relocs section.
+
+ Incremental_inputs* inputs = relinfo->layout->incremental_inputs();
+ gold_assert(inputs != NULL);
+ const off_t relocs_off = inputs->relocs_section()->offset();
+ const off_t relocs_size = inputs->relocs_section()->data_size();
+ unsigned char* const view = of->get_output_view(relocs_off, relocs_size);
+
+ for (size_t i = 0; i < reloc_count; ++i, prelocs += reloc_size)
+ {
+ Reloc reloc(prelocs);
+
+ // FIXME: Some targets have a non-standard r_info field.
+ typename elfcpp::Elf_types<size>::Elf_WXword r_info = reloc.get_r_info();
+ const unsigned int r_sym = elfcpp::elf_r_sym<size>(r_info);
+ const unsigned int r_type = elfcpp::elf_r_type<size>(r_info);
+
+ if (r_sym < this->local_symbol_count_)
+ continue;
+
+ // Get the new offset--the location in the output section where
+ // this relocation should be applied.
+
+ Address offset = reloc.get_r_offset();
+ if (output_offset != invalid_address)
+ offset += output_offset;
+ else
+ {
+ section_offset_type sot_offset =
+ convert_types<section_offset_type, Address>(offset);
+ section_offset_type new_sot_offset =
+ output_section->output_offset(relinfo->object,
+ relinfo->data_shndx,
+ sot_offset);
+ gold_assert(new_sot_offset != -1);
+ offset += new_sot_offset;
+ }
+
+ // Get the addend.
+ typename elfcpp::Elf_types<size>::Elf_Swxword addend;
+ if (sh_type == elfcpp::SHT_RELA)
+ addend =
+ Reloc_types<sh_type, size, big_endian>::get_reloc_addend(&reloc);
+ else
+ {
+ // FIXME: Get the addend for SHT_REL.
+ addend = 0;
+ }
+
+ // Get the index of the output relocation.
+
+ unsigned int reloc_index =
+ this->next_incremental_reloc_index(r_sym - this->local_symbol_count_);
+
+ // Write the relocation.
+
+ unsigned char* pov = view + reloc_index * incr_reloc_size;
+ elfcpp::Swap<32, big_endian>::writeval(pov, r_type);
+ elfcpp::Swap<32, big_endian>::writeval(pov + 4, out_shndx);
+ elfcpp::Swap<size, big_endian>::writeval(pov + 8, offset);
+ elfcpp::Swap<size, big_endian>::writeval(pov + 8 + sizeof_addr, addend);
+ of->write_output_view(pov - view, incr_reloc_size, view);
+ }
+}
+
+// Create merge hash tables for the local symbols. These are used to
+// speed up relocations.
+
+template<int size, bool big_endian>
+void
+Sized_relobj_file<size, big_endian>::initialize_input_to_output_maps()
+{
+ const unsigned int loccount = this->local_symbol_count_;
+ for (unsigned int i = 1; i < loccount; ++i)
+ {
+ Symbol_value<size>& lv(this->local_values_[i]);
+ lv.initialize_input_to_output_map(this);
+ }
+}
+
+// Free merge hash tables for the local symbols.
+
+template<int size, bool big_endian>
+void
+Sized_relobj_file<size, big_endian>::free_input_to_output_maps()
+{
+ const unsigned int loccount = this->local_symbol_count_;
+ for (unsigned int i = 1; i < loccount; ++i)
+ {
+ Symbol_value<size>& lv(this->local_values_[i]);
+ lv.free_input_to_output_map();
+ }
+}
+
+// If an object was compiled with -fsplit-stack, this is called to
+// check whether any relocations refer to functions defined in objects
+// which were not compiled with -fsplit-stack. If they were, then we
+// need to apply some target-specific adjustments to request
+// additional stack space.
+
+template<int size, bool big_endian>
+void
+Sized_relobj_file<size, big_endian>::split_stack_adjust(
+ const Symbol_table* symtab,
+ const unsigned char* pshdrs,
+ unsigned int sh_type,
+ unsigned int shndx,
+ const unsigned char* prelocs,
+ size_t reloc_count,
+ unsigned char* view,
+ section_size_type view_size,
+ Reloc_symbol_changes** reloc_map,
+ const Sized_target<size, big_endian>* target)
+{
+ if (sh_type == elfcpp::SHT_REL)
+ this->split_stack_adjust_reltype<elfcpp::SHT_REL>(symtab, pshdrs, shndx,
+ prelocs, reloc_count,
+ view, view_size,
+ reloc_map, target);
+ else
+ {
+ gold_assert(sh_type == elfcpp::SHT_RELA);
+ this->split_stack_adjust_reltype<elfcpp::SHT_RELA>(symtab, pshdrs, shndx,
+ prelocs, reloc_count,
+ view, view_size,
+ reloc_map, target);
+ }
+}
+
+// Adjust for -fsplit-stack, templatized on the type of the relocation
+// section.
+
+template<int size, bool big_endian>
+template<int sh_type>
+void
+Sized_relobj_file<size, big_endian>::split_stack_adjust_reltype(
+ const Symbol_table* symtab,
+ const unsigned char* pshdrs,
+ unsigned int shndx,
+ const unsigned char* prelocs,
+ size_t reloc_count,
+ unsigned char* view,
+ section_size_type view_size,
+ Reloc_symbol_changes** reloc_map,
+ const Sized_target<size, big_endian>* target)
+{
+ typedef typename Reloc_types<sh_type, size, big_endian>::Reloc Reltype;
+ const int reloc_size = Reloc_types<sh_type, size, big_endian>::reloc_size;
+
+ size_t local_count = this->local_symbol_count();
+
+ std::vector<section_offset_type> non_split_refs;
+
+ const unsigned char* pr = prelocs;
+ for (size_t i = 0; i < reloc_count; ++i, pr += reloc_size)
+ {
+ // Some supported targets have a non-standard r_info field.
+ // If this call is too slow, we can move this routine to
+ // target-reloc.h and templatize it on Classify_reloc.
+ unsigned int r_sym = target->get_r_sym(pr);
+ if (r_sym < local_count)
+ continue;
+
+ const Symbol* gsym = this->global_symbol(r_sym);
+ gold_assert(gsym != NULL);
+ if (gsym->is_forwarder())
+ gsym = symtab->resolve_forwards(gsym);
+
+ // See if this relocation refers to a function defined in an
+ // object compiled without -fsplit-stack. Note that we don't
+ // care about the type of relocation--this means that in some
+ // cases we will ask for a large stack unnecessarily, but this
+ // is not fatal. FIXME: Some targets have symbols which are
+ // functions but are not type STT_FUNC, e.g., STT_ARM_TFUNC.
+ if (!gsym->is_undefined()
+ && gsym->source() == Symbol::FROM_OBJECT
+ && !gsym->object()->uses_split_stack())
+ {
+ if (parameters->target().is_call_to_non_split(gsym, pr, view,
+ view_size))
+ {
+ Reltype reloc(pr);
+ section_offset_type offset =
+ convert_to_section_size_type(reloc.get_r_offset());
+ non_split_refs.push_back(offset);
+ }
+ }
+ }
+
+ if (non_split_refs.empty())
+ return;
+
+ // At this point, every entry in NON_SPLIT_REFS indicates a
+ // relocation which refers to a function in an object compiled
+ // without -fsplit-stack. We now have to convert that list into a
+ // set of offsets to functions. First, we find all the functions.
+
+ Function_offsets function_offsets;
+ this->find_functions(pshdrs, shndx, &function_offsets);
+ if (function_offsets.empty())
+ return;
+
+ // Now get a list of the function with references to non split-stack
+ // code.
+
+ Function_offsets calls_non_split;
+ for (std::vector<section_offset_type>::const_iterator p
+ = non_split_refs.begin();
+ p != non_split_refs.end();
+ ++p)
+ {
+ Function_offsets::const_iterator low = function_offsets.lower_bound(*p);
+ if (low == function_offsets.end())
+ --low;
+ else if (low->first == *p)
+ ;
+ else if (low == function_offsets.begin())
+ continue;
+ else
+ --low;
+
+ calls_non_split.insert(*low);
+ }
+ if (calls_non_split.empty())
+ return;
+
+ // Now we have a set of functions to adjust. The adjustments are
+ // target specific. Besides changing the output section view
+ // however, it likes, the target may request a relocation change
+ // from one global symbol name to another.
+
+ for (Function_offsets::const_iterator p = calls_non_split.begin();
+ p != calls_non_split.end();
+ ++p)
+ {
+ std::string from;
+ std::string to;
+ parameters->target().calls_non_split(this, shndx, p->first, p->second,
+ prelocs, reloc_count,
+ view, view_size, &from, &to);
+ if (!from.empty())
+ {
+ gold_assert(!to.empty());
+ Symbol* tosym = NULL;
+
+ // Find relocations in the relevant function which are for
+ // FROM.
+ pr = prelocs;
+ for (size_t i = 0; i < reloc_count; ++i, pr += reloc_size)
+ {
+ Reltype reloc(pr);
+
+ unsigned int r_sym = target->get_r_sym(pr);
+ if (r_sym < local_count)
+ continue;
+
+ section_offset_type offset =
+ convert_to_section_size_type(reloc.get_r_offset());
+ if (offset < p->first
+ || (offset
+ >= (p->first
+ + static_cast<section_offset_type>(p->second))))
+ continue;
+
+ const Symbol* gsym = this->global_symbol(r_sym);
+ if (from == gsym->name())
+ {
+ if (tosym == NULL)
+ {
+ tosym = symtab->lookup(to.c_str());
+ if (tosym == NULL)
+ {
+ this->error(_("could not convert call "
+ "to '%s' to '%s'"),
+ from.c_str(), to.c_str());
+ break;
+ }
+ }
+
+ if (*reloc_map == NULL)
+ *reloc_map = new Reloc_symbol_changes(reloc_count);
+ (*reloc_map)->set(i, tosym);
+ }
+ }
+ }
+ }
+}
+
+// Find all the function in this object defined in section SHNDX.
+// Store their offsets in the section in FUNCTION_OFFSETS.
+
+template<int size, bool big_endian>
+void
+Sized_relobj_file<size, big_endian>::find_functions(
+ const unsigned char* pshdrs,
+ unsigned int shndx,
+ Sized_relobj_file<size, big_endian>::Function_offsets* function_offsets)
+{
+ // We need to read the symbols to find the functions. If we wanted
+ // to, we could cache reading the symbols across all sections in the
+ // object.
+ const unsigned int symtab_shndx = this->symtab_shndx_;
+ typename This::Shdr symtabshdr(pshdrs + symtab_shndx * This::shdr_size);
+ gold_assert(symtabshdr.get_sh_type() == elfcpp::SHT_SYMTAB);
+
+ typename elfcpp::Elf_types<size>::Elf_WXword sh_size =
+ symtabshdr.get_sh_size();
+ const unsigned char* psyms = this->get_view(symtabshdr.get_sh_offset(),
+ sh_size, true, true);
+
+ const int sym_size = This::sym_size;
+ const unsigned int symcount = sh_size / sym_size;
+ for (unsigned int i = 0; i < symcount; ++i, psyms += sym_size)
+ {
+ typename elfcpp::Sym<size, big_endian> isym(psyms);
+
+ // FIXME: Some targets can have functions which do not have type
+ // STT_FUNC, e.g., STT_ARM_TFUNC.
+ if (isym.get_st_type() != elfcpp::STT_FUNC
+ || isym.get_st_size() == 0)
+ continue;
+
+ bool is_ordinary;
+ Symbol_location loc;
+ loc.shndx = this->adjust_sym_shndx(i, isym.get_st_shndx(),
+ &is_ordinary);
+ if (!is_ordinary)
+ continue;
+
+ loc.object = this;
+ loc.offset = isym.get_st_value();
+ parameters->target().function_location(&loc);
+
+ if (loc.shndx != shndx)
+ continue;
+
+ section_offset_type value =
+ convert_to_section_size_type(loc.offset);
+ section_size_type fnsize =
+ convert_to_section_size_type(isym.get_st_size());
+
+ (*function_offsets)[value] = fnsize;
+ }
+}
+
+// Reverse the words in a section. Used for .ctors sections mapped to
+// .init_array sections. See ctors_sections_in_init_array in
+// layout.cc.
+
+template<int size, bool big_endian>
+void
+Sized_relobj_file<size, big_endian>::reverse_words(unsigned char* view,
+ section_size_type view_size)
+{
+ typedef typename elfcpp::Swap<size, big_endian>::Valtype Valtype;
+ Valtype* vview = reinterpret_cast<Valtype*>(view);
+ section_size_type vview_size = view_size / (size / 8);
+ for (section_size_type i = 0; i < vview_size / 2; ++i)
+ {
+ Valtype tmp = vview[i];
+ vview[i] = vview[vview_size - 1 - i];
+ vview[vview_size - 1 - i] = tmp;
+ }
+}
+
+// Class Merged_symbol_value.
+
+template<int size>
+void
+Merged_symbol_value<size>::initialize_input_to_output_map(
+ const Relobj* object,
+ unsigned int input_shndx)
+{
+ object->initialize_input_to_output_map<size>(input_shndx,
+ this->output_start_address_,
+ &this->output_addresses_);
+}
+
+// Get the output value corresponding to an input offset if we
+// couldn't find it in the hash table.
+
+template<int size>
+typename elfcpp::Elf_types<size>::Elf_Addr
+Merged_symbol_value<size>::value_from_output_section(
+ const Relobj* object,
+ unsigned int input_shndx,
+ typename elfcpp::Elf_types<size>::Elf_Addr input_offset) const
+{
+ section_offset_type output_offset;
+ bool found = object->merge_output_offset(input_shndx, input_offset,
+ &output_offset);
+
+ // If this assertion fails, it means that some relocation was
+ // against a portion of an input merge section which we didn't map
+ // to the output file and we didn't explicitly discard. We should
+ // always map all portions of input merge sections.
+ gold_assert(found);
+
+ if (output_offset == -1)
+ return 0;
+ else
+ return this->output_start_address_ + output_offset;
+}
+
+// Track_relocs methods.
+
+// Initialize the class to track the relocs. This gets the object,
+// the reloc section index, and the type of the relocs. This returns
+// false if something goes wrong.
+
+template<int size, bool big_endian>
+bool
+Track_relocs<size, big_endian>::initialize(
+ Object* object,
+ unsigned int reloc_shndx,
+ unsigned int reloc_type)
+{
+ // If RELOC_SHNDX is -1U, it means there is more than one reloc
+ // section for the .eh_frame section. We can't handle that case.
+ if (reloc_shndx == -1U)
+ return false;
+
+ // If RELOC_SHNDX is 0, there is no reloc section.
+ if (reloc_shndx == 0)
+ return true;
+
+ // Get the contents of the reloc section.
+ this->prelocs_ = object->section_contents(reloc_shndx, &this->len_, false);
+
+ if (reloc_type == elfcpp::SHT_REL)
+ this->reloc_size_ = elfcpp::Elf_sizes<size>::rel_size;
+ else if (reloc_type == elfcpp::SHT_RELA)
+ this->reloc_size_ = elfcpp::Elf_sizes<size>::rela_size;
+ else
+ gold_unreachable();
+
+ if (this->len_ % this->reloc_size_ != 0)
+ {
+ object->error(_("reloc section size %zu is not a multiple of "
+ "reloc size %d\n"),
+ static_cast<size_t>(this->len_),
+ this->reloc_size_);
+ return false;
+ }
+
+ return true;
+}
+
+// Return the offset of the next reloc, or -1 if there isn't one.
+
+template<int size, bool big_endian>
+off_t
+Track_relocs<size, big_endian>::next_offset() const
+{
+ if (this->pos_ >= this->len_)
+ return -1;
+
+ // Rel and Rela start out the same, so we can always use Rel to find
+ // the r_offset value.
+ elfcpp::Rel<size, big_endian> rel(this->prelocs_ + this->pos_);
+ return rel.get_r_offset();
+}
+
+// Return the index of the symbol referenced by the next reloc, or -1U
+// if there aren't any more relocs.
+
+template<int size, bool big_endian>
+unsigned int
+Track_relocs<size, big_endian>::next_symndx() const
+{
+ if (this->pos_ >= this->len_)
+ return -1U;
+ Sized_target<size, big_endian>* target
+ = parameters->sized_target<size, big_endian>();
+ return target->get_r_sym(this->prelocs_ + this->pos_);
+}
+
+// Return the addend of the next reloc, or 0 if there isn't one.
+
+template<int size, bool big_endian>
+uint64_t
+Track_relocs<size, big_endian>::next_addend() const
+{
+ if (this->pos_ >= this->len_)
+ return 0;
+ if (this->reloc_size_ == elfcpp::Elf_sizes<size>::rel_size)
+ return 0;
+ elfcpp::Rela<size, big_endian> rela(this->prelocs_ + this->pos_);
+ return rela.get_r_addend();
+}
+
+// Advance to the next reloc whose r_offset is greater than or equal
+// to OFFSET. Return the number of relocs we skip.
+
+template<int size, bool big_endian>
+int
+Track_relocs<size, big_endian>::advance(off_t offset)
+{
+ int ret = 0;
+ while (this->pos_ < this->len_)
+ {
+ // Rel and Rela start out the same, so we can always use Rel to
+ // find the r_offset value.
+ elfcpp::Rel<size, big_endian> rel(this->prelocs_ + this->pos_);
+ if (static_cast<off_t>(rel.get_r_offset()) >= offset)
+ break;
+ ++ret;
+ this->pos_ += this->reloc_size_;
+ }
+ return ret;
+}
+
+// Instantiate the templates we need.
+
+#ifdef HAVE_TARGET_32_LITTLE
+template
+void
+Sized_relobj_file<32, false>::do_read_relocs(Read_relocs_data* rd);
+#endif
+
+#ifdef HAVE_TARGET_32_BIG
+template
+void
+Sized_relobj_file<32, true>::do_read_relocs(Read_relocs_data* rd);
+#endif
+
+#ifdef HAVE_TARGET_64_LITTLE
+template
+void
+Sized_relobj_file<64, false>::do_read_relocs(Read_relocs_data* rd);
+#endif
+
+#ifdef HAVE_TARGET_64_BIG
+template
+void
+Sized_relobj_file<64, true>::do_read_relocs(Read_relocs_data* rd);
+#endif
+
+#ifdef HAVE_TARGET_32_LITTLE
+template
+void
+Sized_relobj_file<32, false>::do_gc_process_relocs(Symbol_table* symtab,
+ Layout* layout,
+ Read_relocs_data* rd);
+#endif
+
+#ifdef HAVE_TARGET_32_BIG
+template
+void
+Sized_relobj_file<32, true>::do_gc_process_relocs(Symbol_table* symtab,
+ Layout* layout,
+ Read_relocs_data* rd);
+#endif
+
+#ifdef HAVE_TARGET_64_LITTLE