+2009-04-27 Ian Lance Taylor <iant@google.com>
+
+ * x86_64.cc (do_adjust_output_section): Set entsize to
+ plt_entry_size.
+
+2008-04-23 Elliott Hughes <enh@google.com>
+
+ * output.cc (Output_file::close): After short writes, continue
+ writing from the correct offset in the buffer being written.
+
+2009-04-23 Chris Demetriou <cgd@google.com>
+
+ * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
+ * configure: Regenerate.
+ * config.in: Regenerate.
+ * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
+ if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
+
+2009-04-21 Mikolaj Zalewski <mikolajz@google.com>
+
+ * incremental.cc (Incremental_inputs_header_data): Renamed from
+ Incremental_input_header_data.
+ (Incremental_inputs_header_data::data_size): New field.
+ (Incremental_inputs_header_data::put_input_file_count): Renamed
+ from input_file_count.
+ (Incremental_inputs_header_data::put_command_line_offset): Renamed
+ from command_line_offset.
+ (Incremental_inputs_header_data::put_reserved): Renamed from
+ put_reserved.
+ (Incremental_inputs_entry_data): Renamed from
+ Incremental_input_entry_data.
+ (Incremental_inputs_entry_data::data_size): New field.
+ (Incremental_inputs::report_command_line): New method.
+ (Incremental_inputs::finalize): New method.
+ (Incremental_inputs::create_incremental_inputs_data): New method.
+ (Incremental_inputs::sized_create_incremental_inputs_data): New method.
+ * incremental.h: New file.
+ * layout.cc (Layout::Layout): Handle new incremental_inputs_.
+ (Layout::finalize): Create incremental inputs section in
+ incremental builds.
+ (Layout::create_incremental_info_sections): New method.
+ * layout.h (Layout::incremental_inputs): New method.
+ (Layout::create_incremental_info_sections): New method.
+ (Layout::incremental_inputs_): New field.
+ * main.cc (main): Notify Incremental_input of the command line.
+
+2009-04-01 Ian Lance Taylor <iant@google.com>
+ Mikolaj Zalewski <mikolajz@google.com>
+
+ * gold.h (reserve_unordered_map): Define, three versions, one for
+ each version of Unordered_map.
+ * layout.cc (Layout::Layout): Remove options parameter. Add
+ number_of_input_files parameter. Don't initialize options_.
+ Initialize number_of_input_files_ and resized_signatures_. Move
+ sections_are_attached_.
+ (Layout::layout_group): Reserve space for group_signatures_.
+ (Layout::find_or_add_kept_section): Change name parameter to be a
+ reference. Resize signatures_ map when it gets large enough.
+ (Layout::layout_eh_frame): Use parameters->options() instead of
+ this->options_.
+ (Layout::make_output_section): Likewise.
+ (Layout::attach_allocated_section_to_segment): Likewise.
+ (Layout::finalize, Layout::create_executable_stack): Likewise.
+ (Layout::set_segment_offsets, Layout::create_interp): Likewise.
+ (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
+ * layout.h (class Layout): Update declarations. Remove options_
+ field. Add number_of_input_files_ and resized_signatures_
+ fields. Move sections_are_attached_ field.
+ * main.cc (main): Pass number of input files to Layout
+ constructor. Don't pass options.
+
+2009-03-30 Ian Lance Taylor <iant@google.com>
+
+ * ffsll.c (ffsll): Correct implementation.
+
+2009-03-27 Ian Lance Taylor <iant@google.com>
+
+ * ffsll.c: New file.
+ * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
+ * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
+ * ftruncate.c (ftruncate): Declare before definition.
+ * mremap.c (mremap): Likewise.
+ * pread.c (pread): Likewise.
+ * configure, Makefile.in, config.in: Rebuild.
+
+ * mremap.c: New file.
+ * configure.ac: Call AC_REPLACE_FUNCS on mremap.
+ * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
+ (mremap): Declare if HAVE_MREMAP is not defined.
+ * configure, Makefile.in, config.in: Rebuild.
+
+2009-03-27 Cary Coutant <ccoutant@google.com>
+
+ * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
+ position independent.
+ * sparc.cc (Target_sparc::check_non_pic): Likewise.
+ * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
+
+2009-03-24 Cary Coutant <ccoutant@google.com>
+
+ * symtab.h (needs_plt_entry): Check for unsatisfied reference from
+ an executable.
+ (needs_dynamic_reloc): Likewise.
+
+2009-03-24 Ian Lance Taylor <iant@google.com>
+
+ * yyscript.y (file_cmd): Recognize EXTERN.
+ (extern_name_list, extern_name_list_body): New nonterminals.
+ * script.cc (script_add_extern): Define.
+ * script-c.h (script_add_extern): Declare.
+
+2009-03-24 Rafael Avila de Espindola <espindola@google.com>
+
+ * object.cc (is_elf_object): Define.
+ * object.h (is_elf_object): Declare.
+ * archive.cc (Archive::get_elf_object_for_member): Call
+ is_elf_object.
+ * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
+
+2009-03-24 Elliott Hughes <enh@google.com>
+
+ * output.cc (Output_file::map_anonymous): Define.
+ (Output_file::map): Use map_anonymous. If the regular mmap fails,
+ try an anonymous one. Report the size if the mmap fails.
+ * output.h (class Output_file): Declare map_anonymous.
+
+2009-03-24 Ian Lance Taylor <iant@google.com>
+
+ * target-select.cc (instantiate_target): Don't acquire the lock if
+ the instantiated_target_ field has already been set.
+
+2009-03-23 Ian Lance Taylor <iant@google.com>
+
+ * gold-threads.h (class Initialize_lock): Define.
+ * gold-threads.cc (class Initialize_lock_once): Define.
+ (initialize_lock_control): New static variable.
+ (initialize_lock_pointer): New static variable.
+ (initialize_lock_once): New static function.
+ (Initialize_lock::Initialize_lock): Define.
+ (Initialize_lock::initialize): Define.
+ * target-select.h: Include "gold-threads.h".
+ (class Target_selector): Add lock_ and initialize_lock_ fields.
+ Don't define instantiate_target, just declare it.
+ * target-select.cc (Target_selector::Target_selector): Initialize
+ new fields.
+ (Target_selector::instantiate_target): Define.
+ * descriptors.h: Include "gold-threads.h".
+ (class Descriptors): Add initialize_lock_ field.
+ * descriptors.cc (Descriptors::Descriptors): Initialize new
+ field.
+ (Descriptors::open): Use initialize_lock_ field
+ * errors.h (class Errors): Add initialize_lock_ field.
+ * errors.cc (Errors::Errors): Initialize new field.
+ (Errors::initialize_lock): Use initialize_lock_ field.
+ * powerpc.cc (class Target_selector_powerpc): Remove
+ instantiated_target_ field. In do_recognize call
+ instantiate_target rather than do_instantiate_target. In
+ do_instantiate_target just allocate a new target.
+ * sparc.cc (class Target_selector_sparc): Likewise.
+
+ * freebsd.h: New file.
+ * i386.cc: Include "freebsd.h".
+ (Target_i386): Derive from Target_freebsd rather than
+ Sized_target.
+ (Target_selector_i386): Derive from Target_selector_freebsd rather
+ than Target_selector.
+ * x86_64.cc: Include "freebsd.h".
+ (Target_x86_64): Derive from Target_freebsd rather than
+ Sized_target.
+ (Target_selector_x86_64): Derive from Target_selector_freebsd
+ rather than Target_selector.
+ * target.h (class Target): Add adjust_elf_header and
+ do_adjust_elf_header.
+ * output.cc (Output_file_header:: do_sized_write): Call target
+ adjust_elf_header routine.
+ * configure.tgt: Set targ_osabi.
+ * configure.ac: Define GOLD_DEFAULT_OSABI.
+ * parameters.cc (Parameters::default_target): Pass
+ GOLD_DEFAULT_OSABI to select_target.
+ * target-select.h (class Target_selector): Make instantiate_target
+ protected rather than private.
+ * Makefile.am (HFILES): Add freebsd.h.
+ * configure, Makefile.in, config.in: Rebuild.
+
+ * merge.cc (do_add_input_section): Correct pend value. Change
+ message about last entry not being null terminated from error to
+ warning.
+
+2009-03-20 Mikolaj Zalewski <mikolajz@google.com>
+
+ * incremental.cc: New file.
+ * Makefile.am (CCFILES): Add incremental.cc.
+ * Makefile.in: Rebuild.
+
+2009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
+
+ * layout.cc (Layout::output_section_name): Preserve names
+ of '.note.' sections.
+
+2009-03-19 Ian Lance Taylor <iant@google.com>
+
+ * descriptors.cc (Descriptors::open): Check that the options are
+ valid before using them.
+
+2009-03-18 Ian Lance Taylor <iant@google.com>
+
+ * script-sections.h: Include <list>.
+ (class Script_sections): Change Sections_elements from std::vector
+ to std::list. Typedef public Elements_iterator. Add
+ orphan_section_placement_, data_segment_align_start_, and
+ saw_data_segment_align_ fields. Remove data_segment_align_index_
+ field.
+ * script-sections.cc (class Orphan_section_placement): New class.
+ (class Sections_element): Add virtual functions is_relro and
+ orphan_section_init. Remove virtual function place_orphan_here.
+ (class Output_section_definition): Add is_relro and
+ orphan_section_init. Remove place_orphan_here.
+ (class Orphan_output_section): Likewise.
+ (Script_sections::Script_sections): Update for field changes.
+ (Script_sections::data_segment_align): Set saw_data_segment_align_
+ and data_segment_align_start_, not data_segment_align_index.
+ (Script_sections::data_segment_relro_end): Check
+ saw_data_segment_align_. Use data_segment_align_start_ rather
+ than data_segment_align_index_.
+ (Script_sections::place_orphan): Rewrite to use
+ Orphan_section_placement.
+
+2009-03-17 Ian Lance Taylor <iant@google.com>
+
+ * archive.cc (Archive::add_symbols): Check for a version attached
+ to the symbol name in the archive map.
+ * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
+ (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
+ (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
+ (ver_test_11.a): New target.
+ * testsuite/Makefile.in: Rebuild.
+
+ * configure.ac: Check for chsize and posix_fallocate. Replace
+ ftruncate.
+ * ftruncate.c: New file, from gnulib.
+ * output.cc (posix_fallocate): Define dummy version if not
+ HAVE_POSIX_FALLOCATE.
+ (Output_file::map): Call posix_fallocate rather than lseek and
+ write.
+ * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
+ * configure, Makefile.in, config.in: Rebuild.
+
+2009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>
+
+ * layout.h (Layout::create_note): Add section_name parameter.
+ * layout.cc (Layout::create_note): Likewise.
+ (Layout::create_build_id, Layout::create_gold_note): Fix callers.
+
+2009-03-17 Ian Lance Taylor <iant@google.com>
+
+ * descriptors.cc: Include "options.h".
+ (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
+ (Descriptors::open): Always use O_CLOEXEC when opening a new
+ descriptor. If we have a plugin, and O_CLOEXEC was not defined,
+ then set FD_CLOEXEC.
+
+ * sparc.cc (class Target_sparc): Add has_got_section.
+ (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
+ make sure we have a GOT section.
+
+ * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
+ (Target_sparc::Scan::local): Likewise.
+ (Target_sparc::Scan::global): Likewise.
+ (Target_sparc::Relocate::relocate): Likewise.
+ (Target_sparc::Relocate::relocate_tls): Likewise.
+
+ * symtab.cc (Symbol_table::define_default_version): New function,
+ broken out of add_from_object.
+ (Symbol_table::add_from_object): Call define_default_version.
+ (Symbol_table::define_special_symbol): Add resolve_oldsym
+ parameter. Change all callers. If the version for a symbol comes
+ from a version script, resolve it with the symbol with the same
+ name with no version. Also add the symbol without a version if
+ appropriate.
+ (do_define_in_output_data): If resolving with oldsym, don't delete
+ sym.
+ (do_define_in_output_segment): Likewise.
+ (do_define_as_constant): Likewise.
+ * symtab.h (class Symbol_table): Update declarations.
+
2009-03-13 Ian Lance Taylor <iant@google.com>
* readsyms.cc (Read_symbols::incompatible_warning): New function.