diff options
Diffstat (limited to 'gold/object.cc')
-rw-r--r-- | gold/object.cc | 56 |
1 files changed, 19 insertions, 37 deletions
diff --git a/gold/object.cc b/gold/object.cc index 5216049..e92a66d 100644 --- a/gold/object.cc +++ b/gold/object.cc @@ -889,14 +889,30 @@ Sized_relobj<size, big_endian>::do_finalize_local_symbols(unsigned int index, } else if (mo[shndx].offset == -1) { - // Leave the input value in place for SHF_MERGE sections. + // This is a SHF_MERGE section or one which otherwise + // requires special handling. We get the output address + // of the start of the merged section. If this is not a + // section symbol, we can then determine the final + // value. If it is a section symbol, we can not, as in + // that case we have to consider the addend to determine + // the value to use in a relocation. + section_offset_type start = + os->starting_output_address(this, shndx); + if (!lv.is_section_symbol()) + lv.set_output_value(lv.input_value() + start); + else + { + Merged_symbol_value<size>* msv = + new Merged_symbol_value<size>(lv.input_value(), start); + lv.set_merged_symbol_value(msv); + } } else if (lv.is_tls_symbol()) - lv.set_output_value(mo[shndx].output_section->tls_offset() + lv.set_output_value(os->tls_offset() + mo[shndx].offset + lv.input_value()); else - lv.set_output_value(mo[shndx].output_section->address() + lv.set_output_value(os->address() + mo[shndx].offset + lv.input_value()); } @@ -953,40 +969,6 @@ Sized_relobj<size, big_endian>::local_symbol_value(unsigned int symndx) const return lv.value(this, 0); } -// Return the value of a local symbol defined in input section SHNDX, -// with value VALUE, adding addend ADDEND. IS_SECTION_SYMBOL -// indicates whether the symbol is a section symbol. This handles -// SHF_MERGE sections. -template<int size, bool big_endian> -typename elfcpp::Elf_types<size>::Elf_Addr -Sized_relobj<size, big_endian>::local_value(unsigned int shndx, - Address value, - bool is_section_symbol, - Address addend) const -{ - const std::vector<Map_to_output>& mo(this->map_to_output()); - Output_section* os = mo[shndx].output_section; - if (os == NULL) - return addend; - gold_assert(mo[shndx].offset == -1); - - // Do the mapping required by the output section. If this is not a - // section symbol, then we want to map the symbol value, and then - // include the addend. If this is a section symbol, then we need to - // include the addend to figure out where in the section we are, - // before we do the mapping. This will do the right thing provided - // the assembler is careful to only convert a relocation in a merged - // section to a section symbol if there is a zero addend. If the - // assembler does not do this, then in general we can't know what to - // do, because we can't distinguish the addend for the instruction - // format from the addend for the section offset. - - if (is_section_symbol) - return os->output_address(this, shndx, value + addend); - else - return addend + os->output_address(this, shndx, value); -} - // Write out the local symbols. template<int size, bool big_endian> |