diff options
Diffstat (limited to 'gold/layout.cc')
-rw-r--r-- | gold/layout.cc | 80 |
1 files changed, 50 insertions, 30 deletions
diff --git a/gold/layout.cc b/gold/layout.cc index 7836640..14bfda0 100644 --- a/gold/layout.cc +++ b/gold/layout.cc @@ -1420,15 +1420,21 @@ Layout::layout_eh_frame(Sized_relobj_file<size, big_endian>* object, elfcpp::Elf_Xword orig_flags = os->flags(); - if (!parameters->incremental() - && this->eh_frame_data_->add_ehframe_input_section(object, - symbols, - symbols_size, - symbol_names, - symbol_names_size, - shndx, - reloc_shndx, - reloc_type)) + Eh_frame::Eh_frame_section_disposition disp = + Eh_frame::EH_UNRECOGNIZED_SECTION; + if (!parameters->incremental()) + { + disp = this->eh_frame_data_->add_ehframe_input_section(object, + symbols, + symbols_size, + symbol_names, + symbol_names_size, + shndx, + reloc_shndx, + reloc_type); + } + + if (disp == Eh_frame::EH_OPTIMIZABLE_SECTION) { os->update_flags_for_input_section(shdr.get_sh_flags()); @@ -1440,35 +1446,49 @@ Layout::layout_eh_frame(Sized_relobj_file<size, big_endian>* object, os->set_order(ORDER_RELRO); } - // We found a .eh_frame section we are going to optimize, so now - // we can add the set of optimized sections to the output - // section. We need to postpone adding this until we've found a - // section we can optimize so that the .eh_frame section in - // crtbegin.o winds up at the start of the output section. - if (!this->added_eh_frame_data_) - { - os->add_output_section_data(this->eh_frame_data_); - this->added_eh_frame_data_ = true; - } *off = -1; + return os; } - else + + if (disp == Eh_frame::EH_END_MARKER_SECTION && !this->added_eh_frame_data_) { - // We couldn't handle this .eh_frame section for some reason. - // Add it as a normal section. - bool saw_sections_clause = this->script_options_->saw_sections_clause(); - *off = os->add_input_section(this, object, shndx, ".eh_frame", shdr, - reloc_shndx, saw_sections_clause); - this->have_added_input_section_ = true; + // We found the end marker section, so now we can add the set of + // optimized sections to the output section. We need to postpone + // adding this until we've found a section we can optimize so that + // the .eh_frame section in crtbeginT.o winds up at the start of + // the output section. + os->add_output_section_data(this->eh_frame_data_); + this->added_eh_frame_data_ = true; + } - if ((orig_flags & (elfcpp::SHF_WRITE | elfcpp::SHF_EXECINSTR)) - != (os->flags() & (elfcpp::SHF_WRITE | elfcpp::SHF_EXECINSTR))) - os->set_order(this->default_section_order(os, false)); - } + // We couldn't handle this .eh_frame section for some reason. + // Add it as a normal section. + bool saw_sections_clause = this->script_options_->saw_sections_clause(); + *off = os->add_input_section(this, object, shndx, ".eh_frame", shdr, + reloc_shndx, saw_sections_clause); + this->have_added_input_section_ = true; + + if ((orig_flags & (elfcpp::SHF_WRITE | elfcpp::SHF_EXECINSTR)) + != (os->flags() & (elfcpp::SHF_WRITE | elfcpp::SHF_EXECINSTR))) + os->set_order(this->default_section_order(os, false)); return os; } +void +Layout::finalize_eh_frame_section() +{ + // If we never found an end marker section, we need to add the + // optimized eh sections to the output section now. + if (!parameters->incremental() + && this->eh_frame_section_ != NULL + && !this->added_eh_frame_data_) + { + this->eh_frame_section_->add_output_section_data(this->eh_frame_data_); + this->added_eh_frame_data_ = true; + } +} + // Create and return the magic .eh_frame section. Create // .eh_frame_hdr also if appropriate. OBJECT is the object with the // input .eh_frame section; it may be NULL. |