diff options
Diffstat (limited to 'gold/target-reloc.h')
| -rw-r--r-- | gold/target-reloc.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/gold/target-reloc.h b/gold/target-reloc.h index 2d12fa2..17c9c99 100644 --- a/gold/target-reloc.h +++ b/gold/target-reloc.h @@ -362,6 +362,46 @@ relocate_section( } } +// Apply an incremental relocation. + +template<int size, bool big_endian, typename Target_type, + typename Relocate> +void +apply_relocation(const Relocate_info<size, big_endian>* relinfo, + Target_type* target, + typename elfcpp::Elf_types<size>::Elf_Addr r_offset, + unsigned int r_type, + typename elfcpp::Elf_types<size>::Elf_Swxword r_addend, + const Symbol* gsym, + unsigned char* view, + typename elfcpp::Elf_types<size>::Elf_Addr address, + section_size_type view_size) +{ + // Construct the ELF relocation in a temporary buffer. + const int reloc_size = elfcpp::Elf_sizes<64>::rela_size; + unsigned char relbuf[reloc_size]; + elfcpp::Rela<64, false> rel(relbuf); + elfcpp::Rela_write<64, false> orel(relbuf); + orel.put_r_offset(r_offset); + orel.put_r_info(elfcpp::elf_r_info<64>(0, r_type)); + orel.put_r_addend(r_addend); + + // Setup a Symbol_value for the global symbol. + const Sized_symbol<64>* sym = static_cast<const Sized_symbol<64>*>(gsym); + Symbol_value<64> symval; + gold_assert(sym->has_symtab_index() && sym->symtab_index() != -1U); + symval.set_output_symtab_index(sym->symtab_index()); + symval.set_output_value(sym->value()); + if (gsym->type() == elfcpp::STT_TLS) + symval.set_is_tls_symbol(); + else if (gsym->type() == elfcpp::STT_GNU_IFUNC) + symval.set_is_ifunc_symbol(); + + Relocate relocate; + relocate.relocate(relinfo, target, NULL, -1U, rel, r_type, sym, &symval, + view + r_offset, address + r_offset, view_size); +} + // This class may be used as a typical class for the // Scan_relocatable_reloc parameter to scan_relocatable_relocs. The // template parameter Classify_reloc must be a class type which |