diff options
Diffstat (limited to 'gold/layout.cc')
| -rw-r--r-- | gold/layout.cc | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/gold/layout.cc b/gold/layout.cc index c120376..65d1432 100644 --- a/gold/layout.cc +++ b/gold/layout.cc @@ -44,6 +44,7 @@ #include "symtab.h" #include "dynobj.h" #include "ehframe.h" +#include "gdb-index.h" #include "compressed_output.h" #include "reduced_debug_output.h" #include "object.h" @@ -390,6 +391,7 @@ Layout::Layout(int number_of_input_files, Script_options* script_options) eh_frame_data_(NULL), added_eh_frame_data_(false), eh_frame_hdr_section_(NULL), + gdb_index_data_(NULL), build_id_note_(NULL), debug_abbrev_(NULL), debug_info_(NULL), @@ -905,6 +907,13 @@ Layout::init_fixed_output_section(const char* name, if (!can_incremental_update(sh_type)) return NULL; + // If we're generating a .gdb_index section, we need to regenerate + // it from scratch. + if (parameters->options().gdb_index() + && sh_type == elfcpp::SHT_PROGBITS + && strcmp(name, ".gdb_index") == 0) + return NULL; + typename elfcpp::Elf_types<size>::Elf_Addr sh_addr = shdr.get_sh_addr(); typename elfcpp::Elf_types<size>::Elf_Off sh_offset = shdr.get_sh_offset(); typename elfcpp::Elf_types<size>::Elf_WXword sh_size = shdr.get_sh_size(); @@ -1292,6 +1301,38 @@ Layout::add_eh_frame_for_plt(Output_data* plt, const unsigned char* cie_data, } } +// Scan a .debug_info or .debug_types section, and add summary +// information to the .gdb_index section. + +template<int size, bool big_endian> +void +Layout::add_to_gdb_index(bool is_type_unit, + Sized_relobj<size, big_endian>* object, + const unsigned char* symbols, + off_t symbols_size, + unsigned int shndx, + unsigned int reloc_shndx, + unsigned int reloc_type) +{ + if (this->gdb_index_data_ == NULL) + { + Output_section* os = this->choose_output_section(NULL, ".gdb_index", + elfcpp::SHT_PROGBITS, 0, + false, ORDER_INVALID, + false); + if (os == NULL) + return; + + this->gdb_index_data_ = new Gdb_index(os); + os->add_output_section_data(this->gdb_index_data_); + os->set_after_input_sections(); + } + + this->gdb_index_data_->scan_debug_info(is_type_unit, object, symbols, + symbols_size, shndx, reloc_shndx, + reloc_type); +} + // Add POSD to an output section using NAME, TYPE, and FLAGS. Return // the output section. @@ -5297,4 +5338,52 @@ Layout::layout_eh_frame<64, true>(Sized_relobj_file<64, true>* object, off_t* off); #endif +#ifdef HAVE_TARGET_32_LITTLE +template +void +Layout::add_to_gdb_index(bool is_type_unit, + Sized_relobj<32, false>* object, + const unsigned char* symbols, + off_t symbols_size, + unsigned int shndx, + unsigned int reloc_shndx, + unsigned int reloc_type); +#endif + +#ifdef HAVE_TARGET_32_BIG +template +void +Layout::add_to_gdb_index(bool is_type_unit, + Sized_relobj<32, true>* object, + const unsigned char* symbols, + off_t symbols_size, + unsigned int shndx, + unsigned int reloc_shndx, + unsigned int reloc_type); +#endif + +#ifdef HAVE_TARGET_64_LITTLE +template +void +Layout::add_to_gdb_index(bool is_type_unit, + Sized_relobj<64, false>* object, + const unsigned char* symbols, + off_t symbols_size, + unsigned int shndx, + unsigned int reloc_shndx, + unsigned int reloc_type); +#endif + +#ifdef HAVE_TARGET_64_BIG +template +void +Layout::add_to_gdb_index(bool is_type_unit, + Sized_relobj<64, true>* object, + const unsigned char* symbols, + off_t symbols_size, + unsigned int shndx, + unsigned int reloc_shndx, + unsigned int reloc_type); +#endif + } // End namespace gold. |