diff options
Diffstat (limited to 'binutils-2.22/gold/layout.h')
| -rw-r--r-- | binutils-2.22/gold/layout.h | 55 |
1 files changed, 39 insertions, 16 deletions
diff --git a/binutils-2.22/gold/layout.h b/binutils-2.22/gold/layout.h index 05cb50f..4643e32 100644 --- a/binutils-2.22/gold/layout.h +++ b/binutils-2.22/gold/layout.h @@ -1,6 +1,7 @@ // layout.h -- lay out output file sections for gold -*- C++ -*- -// Copyright 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc. +// Copyright 2006, 2007, 2008, 2009, 2010, 2011, 2012 +// Free Software Foundation, Inc. // Written by Ian Lance Taylor <iant@google.com>. // This file is part of gold. @@ -58,6 +59,7 @@ class Output_symtab_xindex; class Output_reduced_debug_abbrev_section; class Output_reduced_debug_info_section; class Eh_frame; +class Gdb_index; class Target; struct Timespec; @@ -170,7 +172,7 @@ class Layout_task_runner : public Task_function_runner Layout_task_runner(const General_options& options, const Input_objects* input_objects, Symbol_table* symtab, - Target* target, + Target* target, Layout* layout, Mapfile* mapfile) : options_(options), input_objects_(input_objects), symtab_(symtab), @@ -522,6 +524,10 @@ class Layout const char* name, const elfcpp::Shdr<size, big_endian>& shdr, unsigned int reloc_shndx, unsigned int reloc_type, off_t* offset); + std::map<Section_id, unsigned int>* + get_section_order_map() + { return &this->section_order_map_; } + bool is_section_ordering_specified() { return this->section_ordering_specified_; } @@ -597,6 +603,18 @@ class Layout size_t cie_length, const unsigned char* fde_data, size_t fde_length); + // Scan a .debug_info or .debug_types section, and add summary + // information to the .gdb_index section. + template<int size, bool big_endian> + void + 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); + // Handle a GNU stack note. This is called once per input object // file. SEEN_GNU_STACK is true if the object file has a // .note.GNU-stack section. GNU_STACK_FLAGS is the section flags @@ -692,11 +710,11 @@ class Layout { // Debugging sections can only be recognized by name. return (strncmp(name, ".debug", sizeof(".debug") - 1) == 0 - || strncmp(name, ".zdebug", sizeof(".zdebug") - 1) == 0 - || strncmp(name, ".gnu.linkonce.wi.", - sizeof(".gnu.linkonce.wi.") - 1) == 0 - || strncmp(name, ".line", sizeof(".line") - 1) == 0 - || strncmp(name, ".stab", sizeof(".stab") - 1) == 0); + || strncmp(name, ".zdebug", sizeof(".zdebug") - 1) == 0 + || strncmp(name, ".gnu.linkonce.wi.", + sizeof(".gnu.linkonce.wi.") - 1) == 0 + || strncmp(name, ".line", sizeof(".line") - 1) == 0 + || strncmp(name, ".stab", sizeof(".stab") - 1) == 0); } // Return true if RELOBJ is an input file whose base name matches @@ -719,7 +737,7 @@ class Layout // *KEPT_SECTION is set to the internal copy and the function return // false. bool - find_or_add_kept_section(const std::string& name, Relobj* object, + find_or_add_kept_section(const std::string& name, Relobj* object, unsigned int shndx, bool is_comdat, bool is_group_name, Kept_section** kept_section); @@ -886,7 +904,7 @@ class Layout // Attach sections to segments. void - attach_sections_to_segments(); + attach_sections_to_segments(const Target*); // For relaxation clean up, we need to know output section data created // from a linker script. @@ -965,7 +983,7 @@ class Layout // Find the first read-only PT_LOAD segment, creating one if // necessary. Output_segment* - find_first_load_seg(); + find_first_load_seg(const Target*); // Count the local symbols in the regular symbol table and the dynamic // symbol table, and build the respective string pools. @@ -1062,7 +1080,7 @@ class Layout // Attach a section to a segment. void - attach_section_to_segment(Output_section*); + attach_section_to_segment(const Target*, Output_section*); // Get section order. Output_section_order @@ -1070,7 +1088,7 @@ class Layout // Attach an allocated section to a segment. void - attach_allocated_section_to_segment(Output_section*); + attach_allocated_section_to_segment(const Target*, Output_section*); // Make the .eh_frame section. Output_section* @@ -1117,7 +1135,7 @@ class Layout bool segment_precedes(const Output_segment* seg1, const Output_segment* seg2); - // Use to save and restore segments during relaxation. + // Use to save and restore segments during relaxation. typedef Unordered_map<const Output_segment*, const Output_segment*> Segment_states; @@ -1188,12 +1206,12 @@ class Layout Relaxation_debug_check() : section_infos_() { } - + // Check that sections and special data are in reset states. void check_output_data_for_reset_values(const Layout::Section_list&, const Layout::Data_list&); - + // Record information of a section list. void read_sections(const Layout::Section_list&); @@ -1201,7 +1219,7 @@ class Layout // Verify a section list with recorded information. void verify_sections(const Layout::Section_list&); - + private: // Information we care about a section. struct Section_info @@ -1277,6 +1295,8 @@ class Layout bool added_eh_frame_data_; // The exception frame header output section if there is one. Output_section* eh_frame_hdr_section_; + // The data for the .gdb_index section. + Gdb_index* gdb_index_data_; // The space for the build ID checksum if there is one. Output_section_data* build_id_note_; // The output section containing dwarf abbreviations @@ -1322,6 +1342,9 @@ class Layout Segment_states* segment_states_; // A relaxation debug checker. We only create one when in debugging mode. Relaxation_debug_check* relaxation_debug_check_; + // Plugins specify section_ordering using this map. This is set in + // update_section_order in plugin.cc + std::map<Section_id, unsigned int> section_order_map_; // Hash a pattern to its position in the section ordering file. Unordered_map<std::string, unsigned int> input_section_position_; // Vector of glob only patterns in the section_ordering file. |