+2009-02-04 Duncan Sands <baldrick@free.fr>
+
+ PR 9812
+ * reduced_debug_output.h
+ (Output_reduced_debug_abbrev_section::failed): Use format for
+ gold_warning.
+ (Output_reduced_debug_info_section::faild): Likewise.
+
+2009-01-31 Mikolaj Zalewski <mikolajz@google.com>
+
+ * script.cc (Lazy_demangler): New class.
+ (Version_script_info::get_symbol_version_helper): Demangle a
+ symbol only once.
+
+2009-01-29 Cary Coutant <ccoutant@google.com>
+
+ * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
+ to __tls_get_addr.
+ * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
+
+2009-01-28 Ian Lance Taylor <iant@google.com>
+
+ * version.cc (version_string): Bump to 1.9.
+
+ * gold.h: Include <cstring> and <stdint.h>.
+ * version.cc: Include <cstdio>.
+ * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
+ warning.
+ * reduced_debug_output.cc (insert_into_vector): Rename from
+ Insert_into_vector; change all callers. Use Swap_unaligned to
+ avoid aliasing issue; remove union since it is unnecessary.
+
+2009-01-27 Sriraman Tallam <tmsriram@google.com>
+
+ * Makefile.am (CCFILES): Add gc.cc.
+ (HFILES): Add gc.h.
+ * Makefile.in: Regenerate.
+ * gold.cc (Gc_runner): New class.
+ (queue_initial_tasks): Call garbage collection related tasks
+ when corresponding options are invoked.
+ (queue_middle_gc_tasks): New function.
+ (queue_middle_tasks): Reorder tasks to allow relocs to be read and
+ processed early before laying out sections during garbage collection.
+ * gold.h (queue_middle_gc_tasks): New function.
+ (is_prefix_of): Move from "layout.cc".
+ * i386.cc (Target_i386::gc_process_relocs): New function.
+ * layout.cc (is_prefix_of): Remove. Move to "gold.h"
+ * main.cc (main): Create object of class "Garbage_collection".
+ * object.cc (Relobj::copy_symbols_data): New function.
+ (Relobj::is_section_name_included): New function.
+ (Sized_relobj::do_layout): Allow this function to be called twice
+ during garbage collection and defer layout of section during the
+ first call.
+ * object.h (Relobj::get_symbols_data): New function.
+ (Relobj::is_section_name_included): New function.
+ (Relobj::copy_symbols_data): New function.
+ (Relobj::set_symbols_data): New function.
+ (Relobj::get_relocs_data): New function.
+ (Relobj::set_relocs_data): New function.
+ (Relobj::is_output_section_offset_invalid): New pure virtual function.
+ (Relobj::gc_process_relocs): New function.
+ (Relobj::do_gc_process_relocs): New pure virtual function.
+ (Relobj::sd_): New data member.
+ (Sized_relobj::is_output_section_offset_invalid): New function.
+ (Sized_relobj::do_gc_process_relocs): New function.
+ * options.h (General_options::gc_sections): Modify to not be a no-op.
+ (General_options::print_gc_sections): New option.
+ * plugin.cc (Plugin_finish::run): Remove function call to
+ Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
+ * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
+ * reloc.cc (Read_relocs::run): Add task to process relocs and
+ determine unreferenced sections when doing garbage collection.
+ (Gc_process_relocs): New class.
+ (Sized_relobj::do_gc_process_relocs): New function.
+ (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
+ sections that are garbage collected.
+ * reloc.h (Gc_process_relocs): New class.
+ * sparc.cc (Target_sparc::gc_process_relocs): New function.
+ * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
+ symbols whose corresponding sections are garbage collected.
+ (Symbol_table::Symbol_table): Add new parameter for the garbage
+ collection object.
+ (Symbol_table::gc_mark_undef_symbols): New function.
+ (Symbol_table::gc_mark_symbol_for_shlib): New function.
+ (Symbol_table::gc_mark_dyn_syms): New function.
+ (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
+ as garbage.
+ (Symbol_table::add_from_object): Likewise.
+ (Symbol_table::add_from_relobj): When building shared objects, do not
+ treat externally visible symbols as garbage.
+ (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
+ table information for static and relocatable links.
+ * symtab.h (Symbol_table::set_gc): New function.
+ (Symbol_table::gc): New function.
+ (Symbol_table::gc_mark_undef_symbols): New function.
+ (Symbol_table::gc_mark_symbol_for_shlib): New function.
+ (Symbol_table::gc_mark_dyn_syms): New function.
+ (Symbol_table::gc_): New data member.
+ * target.h (Sized_target::gc_process_relocs): New pure virtual
+ function.
+ * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
+ * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
+
+2009-01-20 Chris Faylor <me.sourceware@sourceware.org>
+
+ * options.h (General_options::gc_sections): Define as a no-op for now.
+ (General_options::no_keep_memory): Ditto.
+ (General_options::Bshareable): Define.
+ * options.cc (General_options::finalize): Honor -Bshareable.
+
+2009-01-20 Andreas Schwab <schwab@suse.de>
+
+ * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
+ read the value in the contents, since we don't use it. Use the
+ template endianness when writing.
+ (Relocate::relocate): Use it for R_PPC_REL16_HA.
+
+2009-01-19 Andreas Schwab <schwab@suse.de>
+
+ * configure.tgt (powerpc64-*): Fix targ_obj.
+
+2009-01-15 Ian Lance Taylor <iant@google.com>
+
+ * object.cc (Sized_relobj::write_local_symbols): Don't write out
+ local symbols when stripping all symbols.
+
+2009-01-14 Cary Coutant <ccoutant@google.com>
+
+ * output.cc (Output_reloc): Add explicit instantiations.
+
+2009-01-14 Cary Coutant <ccoutant@google.com>
+
+ * archive.cc (Archive::get_elf_object_for_member): Remove call
+ to File_read::claim_for_plugin.
+ * descriptors.cc (Descriptors::open): Remove reference to
+ is_claimed.
+ (Descriptors::claim_for_plugin): Remove.
+ * descriptors.h (Descriptors::claim_for_plugin): Remove.
+ (Descriptors::is_claimed): Remove.
+ (claim_descriptor_for_plugin): Remove.
+ * fileread.cc (File_read::claim_for_plugin): Remove.
+ * fileread.h (File_read::claim_for_plugin): Remove.
+ (File_read::descriptor): Reopen descriptor if necessary.
+ * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
+ (Plugin_manager::all_symbols_read): Add task parameter. Change
+ all callers.
+ (Plugin_manager::get_input_file): New function.
+ (Plugin_manager::release_input_file): New function.
+ (Pluginobj::Pluginobj): Add filesize parameter and initialize
+ corresponding data member.
+ (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
+ and pass to base constructor. Change all callers.
+ (get_input_file, release_input_file): New functions.
+ (make_sized_plugin_object): Add filesize parameter. Change all callers.
+ * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
+ (Plugin_manager::all_symbols_read): Add task parameter.
+ (Plugin_manager::get_input_file): New function.
+ (Plugin_manager::release_input_file): New function.
+ (Plugin_manager::task_): New data member.
+ (Pluginobj::Pluginobj): Add filesize parameter.
+ (Pluginobj::filename): New function.
+ (Pluginobj::descriptor): New function.
+ (Pluginobj::filesize): New function.
+ (Pluginobj::filesize_): New data member.
+ (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
+ * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
+ File_read::claim_for_plugin; use Object::unlock to unlock the file.
+
+ * testsuite/Makefile.am (plugin_test_4): New test case for plugins
+ with archive libraries.
+ * testsuite/Makefile.in: Regenerate.
+ * testsuite/plugin_test.c (struct sym_info): New type.
+ (get_input_file, release_input_file): New static variables.
+ (onload): Capture new transfer vector entries.
+ (claim_file_hook): Stop reading at end of file according to filesize.
+ Factor out parsing of readelf output into separate function.
+ (all_symbols_read_hook): Exercise get_input_file and release_input_file
+ APIs and get the source file name from the symbol table. Convert
+ source file name to corresponding object file name. Print info
+ message when adding new input files.
+ (parse_readelf_line): New function.
+ * testsuite/plugin_test_1.sh: Add checks for new info messages.
+ * testsuite/plugin_test_2.sh: Likewise.
+ * testsuite/plugin_test_3.sh: Likewise.
+ * testsuite/plugin_test_4.sh: New test case.
+
+2009-01-07 Ian Lance Taylor <iant@google.com>
+
+ * version.cc (version_string): Bump to 1.8.
+
+2008-12-23 Cary Coutant <ccoutant@google.com>
+
+ * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
+ * plugin.cc (Plugin_manager::finish): Rename as
+ layout_deferred_objects. Move cleanup to separate function.
+ (Plugin_manager::cleanup): New function.
+ (Plugin_finish::run): Call layout_deferred_objects and cleanup
+ separately.
+ * plugin.h (Plugin_manager::finish): Rename as
+ layout_deferred_objects.
+ (Plugin_manager::cleanup): New function.
+ (Plugin_manager::cleanup_done): New field.
+
+2008-12-23 Cary Coutant <ccoutant@google.com>
+
+ * plugin.cc (is_visible_from_outside): New function.
+ (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
+ so we don't return "IR only" status for exported symbols or -r links.
+
+ * testsuite/Makefile.am (plugin_test_3): New test case.
+ * testsuite/Makefile.in: Regenerate.
+ * testsuite/plugin_test_3.sh: New file.
+
+2008-12-22 Cary Coutant <ccoutant@google.com>
+
+ * object.cc (Sized_relobj::layout_section): New function.
+ (Sized_relobj::do_layout): Defer layout of input sections until after
+ plugin has provided replacement files.
+ (Sized_relobj::do_layout_deferred_sections): New function.
+ * object.h (Relobj::set_section_offset): Remove virtual keyword.
+ (Relobj::layout_deferred_sections): New function.
+ (Relobj::do_layout_deferred_sections): New function.
+ (Sized_relobj::do_layout_deferred_sections): New function.
+ (Sized_relobj::layout_section): New function.
+ (Sized_relobj::Deferred_layout): New structure.
+ (Sized_relobj::deferred_layout_): New field.
+ * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
+ Change all callers. Layout deferred sections.
+ (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
+ references.
+ (Plugin_hook::run): Move code from do_plugin_hook inline.
+ (Plugin_hook::do_plugin_hook): Remove.
+ * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
+ (Plugin_manager::finish): Renamed, was cleanup.
+ (Plugin_manager::should_defer_layout): New function.
+ (Plugin_manager::add_deferred_layout_object): New function.
+ (Plugin_manager::Deferred_layout_list): New type.
+ (Plugin_manager::deferred_layout_objects_): New field.
+ (Plugin_hook::do_plugin_hook): Remove.
+
+2008-12-17 Ian Lance Taylor <iant@google.com>
+
+ * options.h (class General_options): Add --no case for
+ --export-dynamic.
+
+2008-12-16 Cary Coutant <ccoutant@google.com>
+
+ * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
+ vector.
+ (Plugin_manager::claim_file): Create plugin object even if
+ plugin did not call the add_symbols callback.
+ (Plugin_obj::get_symbol_resolution_info): Guard against plugin
+ asking for more symbols than were added.
+ * testsuite/Makefile.am (plugin_test_1): Add test case with
+ no global symbols.
+ (empty.syms): New target.
+ * testsuite/Makefile.in: Regenerate.
+ * testsuite/plugin_test.c (claim_file_hook): Add new debug
+ message. Don't call add_symbols if no globals.
+ (all_symbols_read_hook): Don't provide replacement for empty
+ claimed file.
+
+2008-12-12 Ian Lance Taylor <iant@google.com>
+
+ * target-reloc.h (Default_scan_relocatable_relocs): Only discard
+ r_type == 0 for a local symbol with r_sym == 0.
+ (scan_relocatable_relocs): Pass r_sym to
+ local_non_section_strategy.
+ * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
+ r_sym parameter.
+
+ * configure.ac: Update test for TLS descriptors: they are
+ supported as of glibc 2.9.
+ * configure: Rebuild.
+
+2008-12-11 Ian Lance Taylor <iant@google.com>
+
+ PR 7091
+ * target-reloc.h (Default_scan_relocatable_relocs): For each
+ function, map r_type == 0 to RELOC_DISCARD.
+
+2008-12-10 Cary Coutant <ccoutant@google.com>
+
+ * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
+ object to override a kept COMDAT group from a plugin object.
+
+2008-12-09 Ian Lance Taylor <iant@google.com>
+
+ PR 7088
+ * yyscript.y (file_cmd): Handle INPUT.
+
+ * testsuite/initpri1.c: Change all declarations to be full
+ prototypes by adding void, to avoid compiler warnings.
+
+2008-12-05 Rafael Avila de Espindola <espindola@google.com>
+
+ * options.cc (General_options::parse_plugin_opt): New.
+ (General_options::add_plugin): The argument now is just the filename.
+ (General_options::add_plugin_option): New.
+ * options.h (plugin_opt): New.
+ (add_plugin): Change argument name.
+ (add_plugin_option): New.
+ * plugin.cc (Plugin::load): Don't parse the plugin option.
+ * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
+ (Plugin::add_option): New.
+ (Plugin::args_): Change type.
+ (Plugin::filename_): New.
+ (Plugin_manager::add_plugin_option): New.
+ * testsuite/Makefile.am (plugin_test_1): Use new syntax.
+ * testsuite/Makefile.in: Regenerate.
+
+2008-12-05 Cary Coutant <ccoutant@google.com>
+
+ * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
+ Handle --strip-lto-sections option.
+ * options.h (strip_lto_sections): New option.
+
+2008-12-01 Cary Coutant <ccoutant@google.com>
+
+ * plugin.cc (ld_plugin_message): Change format parameter to const.
+ Fix mismatch between new[] and delete.
+
+2008-11-14 Cary Coutant <ccoutant@google.com>
+
+ * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
+ instead of -1U.
+
+2008-11-05 Craig Silverstein <csilvers@google.com>
+
+ * options.cc (General_options::parse_dynamic_list): New function.
+ * options.h (General_options): New flags dynamic_list,
+ dynamic_list_data, dynamic_list_cpp_new, and
+ dynamic_list_cpp_typeinfo. New variable dynamic_list_.
+ (General_options::in_dynamic_list): New function.
+ * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
+ (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
+ (Lex::can_continue_name): Likewise.
+ (yylex): Likewise.
+ (read_script_file): New parameter script_options.
+ (read_dynamic_list): New function.
+ (Script_options::define_dynamic_list): New function.
+ (dynamic_list_keyword_parsecodes): New variable.
+ (dynamic_list_keywords): New variable.
+ * script.h (Script_options::define_dynamic_list): New function
+ prototype.
+ (read_dynamic_list): New function prototype.
+ * symtab.cc (strprefix): New macro.
+ (Symbol::should_add_dynsym_entry): Support dynamic_list,
+ dynamic_list_data, dynamic_list_cpp_new, and
+ dynamic_list_cpp_typeinfo.
+ * yyscript.y (PARSING_DYNAMIC_LIST): New token.
+ (dynamic_list_expr): New rule.
+ (dynamic_list_nodes): Likewise.
+ (dynamic_list_node): Likewise.
+ * testsuite/Makefile.am (dynamic_list): New test.
+ * testsuite/Makefile.in: Regenerated.
+ * testsuite/dynamic_list.t: New file.
+ * testsuite/dynamic_list.sh: New file.
+
+2008-11-05 Craig Silverstein <csilvers@google.com>
+
+ * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
+ * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
+ (t11_last): Likewise.
+ * testsuite/ver_test_6.c (main): Likewise.
+
+2008-10-07 Cary Coutant <ccoutant@google.com>
+
+ * options.c (General_options::finalize): Add check for -static and
+ -shared.
+ * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
+ is not empty.
+
+2008-10-02 Cary Coutant <ccoutant@google.com>
+
+ * plugin.cc (make_sized_plugin_object): Fix conditional
+ compilation to work when not all targets are enabled.
+
+2008-09-29 Cary Coutant <ccoutant@google.com>
+
+ * archive.cc (Archive::get_file_and_offset): Use filename instead
+ of name to get library path.
+ (Archive::include_member): Unlock external member of a thin archive.
+
+ * testsuite/Makefile.am (TEST_AR): New variable.
+ (thin_archive_test_1): New test.
+ (thin_archive_test_2): New test.
+ * testsuite/Makefile.in: Regenerate.
+ * testsuite/thin_archive_main.cc: New file.
+ * testsuite/thin_archive_test_1.cc: New file.
+ * testsuite/thin_archive_test_2.cc: New file.
+ * testsuite/thin_archive_test_3.cc: New file.
+ * testsuite/thin_archive_test_4.cc: New file.
+
+2008-09-29 Cary Coutant <ccoutant@google.com>
+
+ * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
+ * object.cc (Sized_relobj::do_layout): Use constant invalid_address
+ instead of -1U.
+ (Sized_relobj::do_finalize_local_symbols): Likewise.
+ (Sized_relobj::map_to_kept_section): Likewise.
+ * object.h (Sized_relobj::invalid_address): New constant.
+ (Sized_relobj::do_output_section_offset): Check for invalid_address
+ and return -1ULL.
+ * output.cc (Output_reloc::local_section_offset): Use constant
+ invalid_address instead of -1U.
+ (Output_reloc::get_address): Likewise.
+ (Output_section::output_address): Change -1U to -1ULL.
+ * output.h (Output_reloc::invalid_address): New constant.
+ * reloc.cc (Sized_relobj::write_sections): Use constant
+ invalid_address instead of -1U.
+ (Sized_relobj::relocate_sections): Likewise.
+ * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
+ values for merge sections.
+ * target-reloc.h (relocate_for_relocatable): Use constant
+ invalid_address instead of -1U.
+
+2008-09-19 Cary Coutant <ccoutant@google.com>
+
+ Add plugin functionality for link-time optimization (LTO).
+ * configure.ac (plugins): Add --enable-plugins option.
+ * configure: Regenerate.
+ * config.in: Regenerate.
+ * Makefile.am (LIBDL): New variable.
+ (CCFILES): Add plugin.cc.
+ (HFILES): Add plugin.h.
+ (ldadd_var): Add LIBDL.
+ * Makefile.in: Regenerate.
+
+ * archive.cc: Include "plugin.h".
+ (Archive::setup): Don't preread archive symbols when using a plugin.
+ (Archive::get_file_and_offset): Add memsize parameter. Change callers.
+ (Archive::get_elf_object_for_member): Call plugin hooks for claiming
+ files.
+ (Archive::include_member): Add symbols from plugin objects.
+ * archive.h (Archive::get_file_and_offset): Add memsize parameter.
+ * descriptors.cc (Descriptors::open): Check for file descriptors
+ abandoned by plugins.
+ (Descriptors::claim_for_plugin): New function.
+ * descriptors.h (Descriptors::claim_for_plugin): New function.
+ (Open_descriptor::is_claimed): New field.
+ (claim_descriptor_for_plugin): New function.
+ * fileread.cc (File_read::claim_for_plugin): New function.
+ * fileread.h (File_read::claim_for_plugin): New function.
+ (File_read::descriptor): New function.
+ * gold.cc: Include "plugin.h".
+ (queue_initial_tasks): Add task to call plugin hooks for generating
+ new object files.
+ * main.cc: Include "plugin.h".
+ (main): Load plugin libraries.
+ * object.h (Pluginobj): Declare.
+ (Object::pluginobj): New function.
+ (Object::do_pluginobj): New function.
+ (Object::set_target): New function.
+ * options.cc: Include "plugin.h".
+ (General_options::parse_plugin): New function.
+ (General_options::General_options): Initialize plugins_ field.
+ (General_options::add_plugin): New function.
+ * options.h (Plugin_manager): Declare.
+ (General_options): Add --plugin option.
+ (General_options::has_plugins): New function.
+ (General_options::plugins): New function.
+ (General_options::add_plugin): New function.
+ (General_options::plugins_): New field.
+ * plugin.cc: New file.
+ * plugin.h: New file.
+ * readsyms.cc: Include "plugin.h".
+ (Read_symbols::do_read_symbols): Check for archive before checking
+ for ELF file. Call plugin hooks to claim files.
+ * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
+ from a real object file; force override when processing replacement
+ files.
+ * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
+ (Symbol::init_base_object): Likewise.
+ (Symbol::init_base_output_data): Likewise.
+ (Symbol::init_base_output_segment): Likewise.
+ (Symbol::init_base_constant): Likewise.
+ (Symbol::init_base_undefined): Likewise.
+ (Symbol::output_section): Assert that object is not a plugin.
+ (Symbol_table::add_from_pluginobj): New function.
+ (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
+ undefined.
+ (Symbol_table::sized_write_globals): Likewise.
+ (Symbol_table::add_from_pluginobj): Instantiate template.
+ * symtab.h (Sized_pluginobj): Declare.
+ (Symbol::in_real_elf): New function.
+ (Symbol::set_in_real_elf): New function.
+ (Symbol::in_real_elf_): New field.
+ (Symbol_table::add_from_pluginobj): New function.
+
+ * testsuite/Makefile.am (AM_CFLAGS): New variable.
+ (LIBDL): New variable.
+ (LDADD): Add LIBDL.
+ (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
+ (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
+ (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
+ (MOSTLYCLEANFILES): Likewise.
+ * testsuite/Makefile.in: Regenerate.
+ * testsuite/plugin_test.c: New file.
+ * testsuite/plugin_test_1.sh: New file.
+ * testsuite/plugin_test_2.sh: New file.
+
+2008-09-16 Ian Lance Taylor <iant@google.com>
+
+ * target-reloc.h (relocate_section): Check whether a symbol is
+ defined by the ABI before reporting an undefined symbol error.
+ * target.h (Target::is_defined_by_abi): Make parameter const.
+ (Target::do_is_defined_by_abi): Likewise.
+ * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
+ * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
+ * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
+ * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
+ * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
+ * testsuite/Makefile.in: Rebuild.
+
+ * fileread.cc (make_view): Add casts to avoid warning.
+
+2008-09-16 Alexandre Oliva <aoliva@redhat.com>
+
+ * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
+ * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
+
+2008-09-16 Alexandre Oliva <aoliva@redhat.com>
+
+ * options.h (General_options::output_is_executable): New.
+ (General_options::output_is_pie): New.
+ * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
+ for shared libraries.
+ * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
+
+2008-09-11 Chris Demetriou <cgd@google.com>
+
+ * options.h (origin): New -z option.
+ * layout.cc (Layout:finish_dynamic_section): If "-z origin"
+ is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
+ in DT_FLAGS_1.
+
+2008-09-05 Cary Coutant <ccoutant@google.com>
+
+ * fileread.cc (File_read::make_view): Add check for attempt to map
+ beyond end of file.
+
+2008-09-05 Cary Coutant <ccoutant@google.com>
+
+ * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
+ explicit instantiations.
+
+2008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
+
+ PR gold/6858
+ * options.cc (General_options::finalize): Allow undefined symbols
+ in shlibs if linking -shared.
+
+ PR gold/6859
+ * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
+ symbols as not needing a dynsym entry.
+
+2008-08-20 Craig Silverstein <csilvers@google.com>
+
+ * fileread.cc (File_read::open): Do not lock the file unless it
+ was successfully opened.
+
+2008-08-14 Cary Coutant <ccoutant@google.com>
+
+ * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
+ Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
+ * testsuite/tls_test.cc (struct int128): 128-bit struct
+ for testing TLS relocs with non-zero addend.
+ (v12): New TLS variable.
+ (t12): New test.
+ (t_last): Add check for v12.
+ * testsuite/tls_test.h (t12): New function.
+ * testsuite/tls_test_main.cc (thread_routine): Call new test.
+
+2008-08-13 Ian Lance Taylor <iant@google.com>
+
+ * layout.cc (Layout::attach_allocated_section_to_segment): Don't
+ set tls_segment_ or relro_segment_.
+ (Layout::make_output_segment): Set tls_segment_ and relro_segment_
+ when appropriate.
+ * output.h (Output_section::clear_is_relro): New function.
+ * output.cc (Output_segment::add_output_section): Handle SHF_TLS
+ sections specially even when output_data_ is empty.
+ (Output_segment::maximum_alignment): When first section is relro,
+ only force alignment for PT_LOAD segments.
+ * script.cc (script_data_segment_align): New function.
+ (script_data_segment_relro_end): New function.
+ * script-c.h (script_data_segment_align): Declare.
+ (script_data_segment_relro_end): Declare.
+ * script-sections.h (class Script_sections): Declare
+ data_segment_align and data_segment_relro_end. Add fields
+ segment_align_index_ and saw_relro_end_.
+ * script-sections.cc (class Sections_element): Add set_is_relro
+ virtual function. Add new bool* parameter to place_orphan_here.
+ Add get_output_section virtual function.
+ (class Output_section_definition): Add set_is_relro. Add new
+ bool* parameter to place_orphan_here. Add get_output_section.
+ Add is_relro_ field.
+ (Output_section_definition::Output_section_definition): Initialize
+ evaluated_address_, evaluated_load_address, evaluated_addralign_,
+ and is_relro_ fields.
+ (Output_section_definition::place_orphan_here): Add is_relro
+ parameter.
+ (Output_section_definition::set_section_addresses): Set relro for
+ output section.
+ (Output_section_definition::alternate_constraint): Likewise.
+ (class Orphan_output_section): Add new bool* parameter to
+ place_orphan_here. Add get_output_section.
+ (Orphan_output_section::place_orphan_here): Add is_relro
+ parameter.
+ (Script_sections::Script_sections): Initialize
+ data_segment_align_index_ and saw_relro_end_.
+ (Script_sections::data_segment_align): New function.
+ (Script_sections::data_segment_relro_end): New function.
+ (Script_sections::place_orphan): Set or clear is_relro.
+ (Script_sections::set_section_addresses): Force alignment of first
+ TLS section.
+ * yyscript.y (exp): Call script_data_segment_align and
+ script_data_segment_relro_end.
+ * testsuite/relro_script_test.t: New file.
+ * testsuite/relro_test.cc (using_script): Declare.
+ (t1, t2): Test using_script.
+ * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
+ (relro_script_test_SOURCES): Define.
+ (relro_script_test_DEPENDENCIES): Define.
+ (relro_script_test_LDFLAGS): Define.
+ (relro_script_test_LDADD): Define.
+ (relro_script_test.so): New target.
+ * testsuite/Makefile.in: Rebuild.
+
+2008-08-06 Cary Coutant <ccoutant@google.com>
+
+ * archive.cc (Archive::total_archives, Archive::total_members)
+ (Archive::total_members_loaded): New variables.
+ (Archive::setup): Add parameter. Add option to preread
+ archive symbols.
+ (Archive::read_armap): Add counter.
+ (Archive::get_file_and_offset): New function.
+ (Archive::get_elf_object_for_member): New function.
+ (Archive::read_all_symbols): New function.
+ (Archive::read_symbols): New function.
+ (Archive::add_symbols): Add counters.
+ (Archive::include_all_members): Use armap to find members if it's
+ already built.
+ (Archive::include_member): Skip reading symbols if already read.
+ Factored code into Archive::get_file_and_offset and
+ Archive::get_elf_object_for_member. Changed call to
+ Mapfile::report_include_archive_member.
+ (Archive::print_stats): New function.
+ * archive.h: Declare Object and Read_symbols_data classes.
+ (Archive::Archive): Add initializers for new members.
+ (Archive::setup): Add parameter.
+ (Archive::print_stats): New function.
+ (Archive::total_archives, Archive::total_members)
+ (Archive::total_members_loaded): New variables.
+ (Archive::get_file_and_offset): New function.
+ (Archive::get_elf_object_for_member): New function.
+ (Archive::read_all_symbols): New function.
+ (Archive::read_symbols): New function.
+ (Archive::Archive_member): New class.
+ (Archive::members_): New member.
+ (Archive::num_members_): New member.
+ * main.cc: Include archive.h.
+ (main): Call Archive::print_stats.
+ * mapfile.cc (Mapfile::report_include_archive_member): Delete
+ archive parameter; member_name is now the fully-decorated name.
+ * mapfile.h (Mapfile::report_include_archive_member): Likewise.
+ * options.h: (General_options): Add --preread-archive-symbols option.
+ * readsyms.cc (Read_symbols::do_read_symbols): Change call to
+ Archive::setup.
+
+2008-08-04 Ian Lance Taylor <iant@google.com>
+
+ * symtab.h (Symbol::use_plt_offset): New function.
+ * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
+ * powerpc.cc (Relocate::relocate): Likewise.
+ * sparc.cc (Relocate::relocate): Likewise.
+ * x86_64.cc (Relocate::relocate): Likewise.
+ * testsuite/weak_plt.sh: New test.
+ * testsuite/weak_plt_main.cc: New test.
+ * testsuite/weak_plt_shared.cc: New test.
+ * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
+ (check_PROGRAMS): Add weak_plt.
+ (check_DATA): Add weak_plt_shared.so.
+ (weak_plt_main_pic.o, weak_plt): New targets.
+ (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
+ * testsuite/Makefile.in: Rebuild.
+
+ * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
+ gcctestdir/ld.
+ (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
+ * testsuite/Makefile.in: Rebuild.
+
+2008-08-04 Alan Modra <amodra@bigpond.net.au>
+
+ * Makefile.am (POTFILES.in): Set LC_ALL=C.
+ * Makefile.in: Regenerate.
+ * po/POTFILES.in: Regenerate.
+
+2008-07-29 Ian Lance Taylor <iant@google.com>
+
+ * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
+ symbols before other symbols.
+ * testsuite/script_test_2.cc (test_addr): Declare.
+ (test_addr_alias): Declare.
+ (main): Check that test_addr and test_addr_alias have the right
+ values.
+ * testsuite/script_test_2.t: Define test_addr_alias and
+ test_addr.
+
+2008-07-24 Ian Lance Taylor <iant@google.com>
+
+ PR 5990
+ * descriptors.cc: New file.
+ * descriptors.h: New file.
+ * gold-threads.h (class Hold_optional_lock): New class.
+ * fileread.cc: Include "descriptors.h".
+ (File_read::~File_read): Release descriptor rather than closing
+ it.
+ (File_read::open) [file]: Call open_descriptor rather than open.
+ Set is_descriptor_opened_.
+ (File_read::open) [memory]: Assert that descriptor is not open.
+ (File_read::reopen_descriptor): New function.
+ (File_read::release): Release descriptor.
+ (File_read::do_read): Make non-const. Reopen descriptor.
+ (File_read::read): Make non-const.
+ (File_read::make_view): Reopen descriptor.
+ (File_read::do_readv): Likewise.
+ * fileread.h (class File_read): Add is_descriptor_opened_ field.
+ Update declarations.
+ * layout.cc: Include "descriptors.h".
+ (Layout::create_build_id): Use open_descriptor rather than open.
+ * output.cc: Include "descriptors.h".
+ (Output_file::open): Use open_descriptor rather than open.
+ * archive.cc (Archive::const_iterator): Change Archive to be
+ non-const.
+ (Archive::begin, Archive::end): Make non-const.
+ (Archive::count_members): Likewise.
+ * archive.h (class Archive): Update declarations.
+ * object.h (Object::read): Make non-const.
+ * Makefile.am (CCFILES): Add descriptors.cc.
+ (HFILES): Add descriptors.h.
+ * Makefile.in: Rebuild.
+
+ PR 6716
+ * gold.h: Always include <clocale>. Add Solaris workarounds
+ following code in binutils/sysdep.h.
+
+ PR 6048
+ * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
+ this->eh_frame_hdr_ is NULL before using it.
+
+ * dynobj.cc (Versions::Versions): Update comment.
+
+ * dynobj.cc (Versions::Versions): If there is an soname, use it as
+ the base version name.
+
+ * stringpool.cc (Stringpool_template::add_with_length): Set key to
+ array size plus one.
+ (Stringpool_template::set_string_offsets): Subtract one from key
+ before using it as an array index.
+ (Stringpool_template::get_offset_with_length): Likewise.
+ (Stringpool_template::write_to_buffer): Likewise.
+ * stringpool.h (Stringpool_template::get_offset_from_key):
+ Likewise.
+
+2008-07-23 Ian Lance Taylor <iant@google.com>
+
+ PR 6658
+ * object.h (Merged_symbol_value::value): Do our best to handle a
+ negative addend.
+
+ PR 6647
+ * script.cc (Version_script_info::get_versions): Don't add empty
+ version tag to return value.
+ (Version_script_info::get_symbol_version_helper): Change return
+ type to bool. Add pversion parameter. Change all callers.
+ (script_register_vers_node): Don't require a non-NULL tag.
+ * script.h (class Version_script_info): Update declarations.
+ (Version_script_info::get_symbol_version): Change return type to
+ bool. Add version parameter. Change all callers.
+ * symtab.cc (Sized_symbol::add_from_relobj): Rework version
+ handling. Handle an empty version from a version script.
+ (Symbol_table::define_special_symbol): Likewise.
+ * testsuite/ver_test_10.script: New file.
+ * testsuite/ver_test_10.sh: New file.
+ * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
+ (check_DATA): Add ver_test_10.syms.
+ (ver_test_10.syms, ver_test_10.so): New target.
+ * testsuite/Makefile.in: Rebuild.
+
+2008-07-23 Simon Baldwin <simonb@google.com>
+
+ * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
+ to zero for undefined symbols from dynamic libraries.
+
+2008-07-23 Ian Lance Taylor <iant@google.com>
+
+ * symtab.cc (Symbol_table::resolve): Remove version parameter.
+ Change all callers.
+ * symtab.h (class Symbol_table): Update declaration.
+ * testsuite/ver_test_9.cc: New file.
+ * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
+ (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
+ (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
+ (ver_test_9.so, ver_test_9.o): New targets.
+ * testsuite/Makefile.in: Rebuild.
+
+2008-07-22 Ian Lance Taylor <iant@google.com>
+
+ * options.h (class General_options): Define --check-sections.
+ * layout.cc (Layout::set_segment_offsets): Handle
+ --check-sections.
+
+ * options.h (class General_options): Define -n/--nmagic and
+ -N/--omagic.
+ * options.cc (General_options::finalize): For -n/--nmagic or
+ -N/--omagic, set -static.
+ * layout.cc (Layout::attach_allocated_section_to_segment): If
+ -N/--omagic, don't put read-only and read-write sections in
+ different segments.
+ (Layout::find_first_load_seg): If -N/--omagic, don't insist on
+ finding a read-only segment.
+ (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
+ don't set the minimum segment alignment to the common page size,
+ and don't set the file offset to the address modulo the page size.
+ * script-sections.cc (Script_sections::create_segments): If
+ -n/--omagic, don't put read-only and read-write sections in
+ different segments.
+
+ * cref.cc: New file.
+ * cref.h: New file.
+ * options.h (class General_options): Add --print-symbol-counts.
+ * main.cc (main): Issue defined symbol report if requested.
+ * archive.cc (Archive::interpret_header): Make into a const member
+ function.
+ (Archive::add_symbols): Call Input_objects::archive_start and
+ archive_stop.
+ (Archive::const_iterator): Define new class.
+ (Archive::begin, Archive::end): New functions.
+ (Archive::include_all_members): Rewrite to use iterator.
+ (Archive::count_members): New function.
+ * archive.h (class Archive): Update declarations.
+ (Archive::filename): New function.
+ * object.cc: Include "cref.h".
+ (Sized_relobj::Sized_relobj): Initialize defined_count_.
+ (Sized_relobj::do_get_global_symbol_counts): New function.
+ (Input_objects::add_object): Add object to cross-referencer.
+ (Input_objects::archive_start): New function.
+ (Input_objects::archive_stop): New function.
+ (Input_objects::print_symbol_counts): New function.
+ * object.h: Declare Cref and Archive.
+ (Object::get_global_symbol_counts): New function.
+ (Object::do_get_global_symbol_counts): New pure virtual function.
+ (class Sized_relobj): Add defined_count_ field. Update
+ declarations.
+ (class Input_objects): Add cref_ field. Update constructor.
+ Update declarations.
+ * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
+ defined_count_.
+ (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
+ symbol counts.
+ (Sized_dynobj::do_get_global_symbol_counts): New function.
+ * dynobj.h (class Sized_dynobj): Add fields symbols_ and
+ defined_count_. Update declarations. Define Symbols typedef.
+ * symtab.cc (Symbol_table::add_from_relobj): Add defined
+ parameter. Change all callers.
+ (Symbol_table::add_from_dynobj): Add sympointers and defined
+ parameters. Change all callers.
+ * symtab.h (class Symbol_table): Update declarations.
+ * Makefile.am (CCFILES): Add cref.cc.
+ (HFILES): Add cref.h.
+ * Makefile.in: Rebuild.
+
+2008-07-22 Simon Baldwin <simonb@google.com>
+
+ * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
+ to zero when writing undefined symbols.
+
+2008-07-22 Ian Lance Taylor <iant@google.com>
+
+ * output.cc (Output_section::add_input_section): Don't try to
+ merge empty merge sections.
+
+2008-07-21 Craig Silverstein <csilvers@google.com>
+
+ * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
+ Include symbol version in error message.
+
+2008-07-20 Chris Demetriou <cgd@google.com>
+
+ * configure.ac (gold_cv_c_random_seed): New configured variable.
+ (RANDOM_SEED_CFLAGS): New substituted variable.
+ * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
+ * configure: Rebuild.
+ * Makefile.in: Likewise.
+ * testsuite/Makefile.in: Likewise.
+
+2008-07-18 Ian Lance Taylor <iant@google.com>
+
+ * symtab.cc (Symbol_table::add_from_object): Rewrite the case
+ where we see NAME/NULL and NAME/VERSION as separate symbols.
+ * testsuite/ver_test_main.cc (main): Call t4.
+ (t4, t4_2a): Define.
+ * testsuite/ver_test_2.cc (t4_2): Define.
+ * testsuite/ver_test_2.script: Put t4_2a in VER2.
+ * testsuite/ver_test_4.cc (t4_2a): Define.
+ * testsuite/ver_test_4.script: Put t4_2a in VER2.
+ * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
+
+2008-07-17 Ian Lance Taylor <iant@google.com>
+
+ * dynobj.cc (Versions::add_def): If we give an error about a
+ missing version, go ahead and create the version anyhow.
+
+2008-07-10 Ian Lance Taylor <iant@google.com>
+
+ Handle output sections with more than 0x7fffffff bytes.
+ * object.h (class Relobj): Change map_to_output_ to
+ output_sections_, and just keep a section pointer. Change all
+ uses. Move comdat group support to Sized_relobj.
+ (Relobj::is_section_specially_mapped): Remove.
+ (Relobj::output_section): Remove poff parameter. Change all
+ callers.
+ (Relobj::output_section_offset): New function.
+ (Relobj::set_section_offset): Rewrite.
+ (Relobj::map_to_output): Remove.
+ (Relobj::output_sections): New function.
+ (Relobj::do_output_section_offset): New pure virtual function.
+ (Relobj::do_set_section_offset): Likewise.
+ (class Sized_relobj): Add section_offsets_ field. Add comdat
+ group support from Relobj. Update declarations.
+ (Sized_relobj::get_output_section_offset): New function.
+ (Sized_relobj::do_output_section_offset): New function.
+ (Sized_relobj::do_set_section_offset): New function.
+ * object.cc (Relobj::output_section_address): Remove.
+ (Sized_relobj::Sized_relobj): Initialize new fields.
+ (Sized_relobj::include_section_group): Cast find_kept_object to
+ Sized_relobj.
+ (Sized_relobj::include_linkonce_section): Likewise.
+ (Sized_relobj::do_layout): Use separate arrays for output section
+ and output offset.
+ (Sized_relobj::do_count_local_symbols): Change map_to_output to
+ output_sections.
+ (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
+ output_sections and section_offsets.
+ (Sized_relobj::write_local_symbols): Likewise.
+ (map_to_kept_section): Compute output address directly.
+ * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
+ output_sections and section_offsets.
+ (Sized_relobj::write_sections): Likewise.
+ (Sized_relobj::relocate_sections): Likewise.
+ * symtab.cc (sized_finalize_symbol): Use output_section_offset.
+ * output.h (class Output_reloc): Update declarations. Change
+ u2_.relobj to Sized_relobj*.
+ (class Output_data_reloc): Change add functions to use
+ Sized_relobj*.
+ * output.cc (Output_reloc::Output_reloc): Change relobj to
+ Sized_relobj*.
+ (Output_reloc::local_section_offset): Change return type to
+ Elf_Addr. Use get_output_section_offset.
+ (Output_reloc::get_address): Likewise.
+ (Output_section::is_input_address_mapped): Don't call
+ is_section_specially_mapped.
+ (Output_section::output_offset): Likewise.
+ (Output_section::output_address): Likewise.
+ (Output_section::starting_output_address): Likewise.
+ * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
+ parameter to Sized_relobj*.
+ (Copy_relocs::need_copy_reloc): Likewise.
+ (Copy_relocs::save): Likewise.
+ * copy-relocs.h (class Copy_relocs): Update declarations.
+ (class Copy_relocs::Copy_reloc_entry): Change constructor to use
+ Sized_relobj*. Change relobj_ field to Sized_relobj*.
+ * target-reloc.h (relocate_for_relocatable): Change
+ offset_in_output_section type to Elf_Addr. Change code that uses
+ it as well.
+ * layout.cc (Layout::layout): Always set *off.
+ * mapfile.cc (Mapfile::print_input_section): Use
+ output_section_offset.
+ * i386.cc (Target_i386::copy_reloc): Change object parameter to
+ Sized_relobj*.
+ * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
+ * sparc.cc (Target_sparc::copy_reloc): Likewise.
+ * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
+
+2008-07-03 Ian Lance Taylor <iant@google.com>
+
+ * layout.cc (Layout::include_section): Do not discard unrecognized
+ SHT_STRTAB sections.
+
+2008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
+
+ * script.cc (Lex::can_continue_name): Make '?' allowable in
+ version-script names.
+ * testsuite/version_script.map: Change glob pattern to use '?'
+
+2008-06-30 Manish Singh <yosh@gimp.org>
+
+ PR 6585
+ * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
+ Correct typo.
+
+2008-06-30 Ian Lance Taylor <iant@google.com>
+
+ PR 6660
+ PR 6682
+ * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
+ versions]: Don't try to read the value in the contents, since we
+ don't use it. Use the template endianness when writing.
+
+2008-06-25 Cary Coutant <ccoutant@google.com>
+
+ * fileread.cc (File_read::make_view): Assert on zero-length view.
+ * object.cc (Sized_relobj::do_read_symbols): Don't try to read
+ symbol table when there are no symbols to read.
+
+2008-06-23 Craig Silverstein <csilvers@google.com>
+
+ * version.cc (version_string): Bump to 1.7
+
+2008-06-18 Craig Silverstein <csilvers@google.com>
+
+ * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
+ constant 0xFFFF to type Valtype.
+ (Powerpc_relocate_functions::rel16_ha): Likewise.
+
+2008-06-17 Ian Lance Taylor <iant@google.com>
+
+ * output.h (Output_section::Input_section): Initialize p2align_ to
+ zero for Output_section_data constructors.
+ (Output_section::Input_section::addralign): If not an input
+ section, return the alignment of the Output_section_data.
+ * testsuite/copy_test.cc: New file.
+ * testsuite/copy_test_1.cc: New file.
+ * testsuite/copy_test_2.cc: New file.
+ * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
+ (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
+ (copy_test_LDFLAGS, copy_test_LDADD): New variables.
+ (copy_test_1_pic.o, copy_test_1.so): New targets.
+ (copy_test_2_pic.o, copy_test_2.so): New targets.
+ * testsuite/Makefile.in: Rebuild.
+
+ * script-sections.cc (Script_sections::place_orphan): Initialize
+ local variable exact.
+
+2008-06-13 David Edelsohn <edelsohn@gnu.org>
+
+ * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
+
+2008-06-12 David Edelsohn <edelsohn@gnu.org>
+ David S. Miller <davem@davemloft.net>
+
+ * powerpc.cc: New file.
+ * Makefile.am (TARGETSOURCES): Add powerpc.cc
+ (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
+ * configure.tgt: Add entries for powerpc-* and powerpc64-*.
+ * Makefile.in: Rebuild.
+
+2008-06-09 Ian Lance Taylor <iant@google.com>
+
+ * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
+ <exception>.
+ (throwing, orig_terminate): New static variables.
+ (terminate_handler): New static function.
+ (t2): Set terminate handler.
+
+2008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
+
+ PR 6584
+ * binary.cc (Binary_to_elf::sized_convert): Fix .data
+ alignment.
+
+2008-05-30 Cary Coutant <ccoutant@google.com>
+
+ * archive.cc (Archive::include_all_members) Correct to step
+ over symbol table and extended name table in thin archives.
+
+2008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
+
+ PR 6407
+ * target-reloc.h (relocate_for_relocatable): Fix new_offset
+ calculation.
+
+2008-05-28 Caleb Howe <cshowe@google.com>
+
+ * reduced_debug_output.cc: New file.
+ * reduced_debug_output.h: New file.
+ * options.h (class General_options): Add --strip-debug-non-line.
+ * options.cc (General_options::finalize): Add strip_debug_non_line
+ to the strip heirarchy.
+ * layout.h (class Layout): Add debug_abbrev_ and debug_info_
+ fields.
+ * layout.cc: Include "reduced_debug_output.h".
+ (Layout::Layout): Initialize new fields.
+ (line_only_debug_sections): New static array.
+ (is_lines_only_debug_sections): New static inline function.
+ (Layout::include_section): Handle --strip-debug-non-line.
+ (Layout::make_output_section): If --strip-debug-non-line, build
+ new output sections for .debug_abbrev and .debug_info.
+ * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
+ gold. Warn about possible overflow.
+ (read_signed_LEB_128): Likewise.
+ * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
+ (read_signed_LEB_128): Declare.
+ * Makefile.am (CCFILES): Add reduced_debug_output.cc.
+ (HFILES): Add reduced_debug_output.h.
+ * Makefile.in: Rebuild.
+
+2008-05-21 Ian Lance Taylor <iant@google.com>
+
+ * mapfile.cc: New file.
+ * mapfile.h: New file.
+ * options.h (class General_options): Add -M/--print-map and -Map.
+ * options.cc (General_options::finalize): Make -M equivalent to
+ -Map -.
+ * main.cc: Include <cstdio> and "mapfile.h".
+ (main): Open mapfile if requested.
+ * gold.cc (class Middle_runner): Add mapfile_ field. Update
+ constructor. Change caller.
+ (queue_initial_tasks): Add mapfile parameter. Change caller.
+ (queue_middle_tasks): Likewise.
+ * gold.h (queue_initial_tasks, queue_middle_tasks): Update
+ declarations.
+ * archive.cc: Include "mapfile.h".
+ (Archive::add_symbols): Add mapfile parameter. Change all
+ callers. Pass mapfile, symbol, and reason to include_member.
+ (Archive::include_all_members): Add mapfile parameter. Change all
+ callers.
+ (Archive::include_member): Add mapfile, sym, and why parameters.
+ Change all callers. Report inclusion to map file.
+ * archive.h: Include "fileread.h".
+ (class Archive): Update declarations.
+ (Archive::file): New const method.
+ (class Add_archive_symbols): Add mapfile_ field. Update
+ constructor. Change all callers.
+ * readsyms.h (class Read_symbols): Likewise.
+ (class Finish_group): Likewise.
+ (class Read_script): Likewise.
+ * common.cc: Include "mapfile.h".
+ (Symbol_table::allocate_commons): Add mapfile parameter. Change
+ all callers.
+ (Symbol_table::do_allocate_commons): Likewise.
+ (Symbol_table::do_allocate_commons_list): Likewise. Report common
+ symbol allocation to mapfile.
+ * common.h (class Allocate_commons_task): Add mapfile_ field.
+ Update constructor. Change all callers.
+ * symtab.h (class Symbol_table): Update declarations.
+ * layout.cc: Include "mapfile.h".
+ (Layout_task_runner::run): Print information to mapfile.
+ (Layout::create_gold_note): Change Output_data_fixed_space to
+ Output_data_zero_fill.
+ (Layout::create_build_id): Likewise.
+ (Layout::print_to_mapfile): New function.
+ * layout.h (class Layout_task_runner): Add mapfile_ field. Update
+ constructor. Change caller.
+ (class Layout): Declare print_to_mapfile.
+ * output.cc (Output_section::Input_section::print_to_mapfile): New
+ function.
+ (Output_section::add_input_section): If producing a map, always
+ add to input_sections_ list.
+ (Output_section::do_print_to_mapfile): New function.
+ (Output_segment::print_sections_to_mapfile): New function.
+ (Output_segment::print_section_list_to_mapfile): New function.
+ * output.h: Include "mapfile.h".
+ (Output_data::print_to_mapfile): New function.
+ (Output_data::do_print_to_mapfile): New virtual function.
+ (Output_segment_headers::do_print_to_mapfile): New function.
+ (Output_file_header::do_print_to_mapfile): New function.
+ (Output_data_const::do_print_to_mapfile): New function.
+ (class Output_data_const_buffer): Add map_name_ field. Update
+ constructor. Change all callers. Add do_print_to_mapfile
+ function.
+ (class Output_data_fixed_space): Likewise.
+ (class Output_data_space): Likewise.
+ (class Output_data_zero_fill): New class.
+ (Output_data_strtab::do_print_to_mapfile): New function.
+ (Output_data_reloc_base::do_print_to_mapfile): New function.
+ (Output_relocatable_relocs::do_print_to_mapfile): New function.
+ (Output_data_group::do_print_to_mapfile): New function.
+ (Output_data_got::do_print_to_mapfile): New function.
+ (Output_data_dynamic::do_print_to_mapfile): New function.
+ (Output_symtab_xindex::do_print_to_mapfile): New function.
+ (class Output_section): Declare do_print_to_mapflie. Declare
+ print_to_mapfile in Input_section.
+ (class Output_segment): Declare new functions.
+ * object.h (Sized_relobj::symbol_count): New function.
+ * script-sections.cc
+ (Output_section_element_dot_assignment::set_section_addresses):
+ Change Output_data_fixed_space to Output_data_zero_fill.
+ (Output_data_expression::do_print_to_mapfile): New function.
+ * script.cc (read_input_script): Add mapfile parameter. Change
+ all callers.
+ * script.h (read_input_script): Update declaration.
+ * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
+ (Eh_frame::do_print_to_mapfile): New function.
+ * merge.h (Output_merge_data::do_print_to_mapfile): New function.
+ (Output_merge_string::do_print_to_mapfile): New function.
+ * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
+ function.
+ * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
+ function.
+ * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
+ function.
+ * Makefile.am (CCFILES): Add mapfile.cc.
+ (HFILES): Add mapfile.h.
+ * Makefile.in: Rebuild.
+
+2008-05-19 Ian Lance Taylor <iant@google.com>
+
+ * options.h (class General_options): Add -z relro.
+ * layout.cc (Layout::Layout): Initialize relro_segment_.
+ (Layout::add_output_section_data): Return the output section.
+ (Layout::make_output_section): Rcognize relro sections and mark
+ them appropriately.
+ (Layout::attach_allocated_section_to_segment): Put relro sections
+ in a PT_GNU_RELRO segment.
+ (Layout::create_initial_dynamic_sections): Mark the .dynamic
+ section as relro.
+ (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
+ PT_TLS segments.
+ (Layout::linkonce_mapping): Map d.rel.ro.local to
+ .data.rel.ro.local.
+ (Layout::output_section_name): Us .data.rel.ro.local for any
+ section which begins with that.
+ * layout.h (class Layout): Update add_output_section_data
+ declaration. Add relro_segment_ field.
+ * output.cc (Output_section::Output_section): Initialize is_relro_
+ and is_relro_local_ fields.
+ (Output_segment::add_output_section): Group relro sections.
+ (Output_segment::is_first_section_relro): New function.
+ (Output_segment::maximum_alignment): If there is a relro section,
+ align the segment to the common page size.
+ (Output_segment::set_section_addresses): Track whether we are
+ looking at relro sections. If the last section is a relro
+ section, align to the common page size.
+ (Output_segment::set_section_list_addresses): Add in_relro
+ parameter. Change all callers. Align to the page size when
+ moving from relro to non-relro section.
+ (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
+ segment.
+ * output.h (class Output_section): Add is_relro_ and
+ is_relro_local_ fields.
+ (Output_section::is_relro): New function.
+ (Output_section::set_is_relro): New function.
+ (Output_section::is_relro_local): New function.
+ (Output_section::set_is_relro_local): New function.
+ (class Output_segment): Update declarations.
+ * i386.cc (Target_i386::got_section): Mark .got section as relro.
+ * sparc.cc (Target_sparc::got_section): Likewise.
+ * x86_64.cc (Target_x86_64::got_section): Likewise.
+ * testsuite/relro_test_main.cc: New file.
+ * testsuite/relro_test.cc: New file.
+ * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
+ (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
+ (relro_test_LDFLAGS, relro_test_LDADD): New variables.
+ (relro_test.so, relro_test_pic.o): New targets.
+ * testsuite/Makefile.in: Rebuild.
+
+2008-05-16 Ian Lance Taylor <iant@google.com>
+
+ * output.cc (Output_segment::add_output_section): Remove front
+ parameter.
+ * output.h (class Output_segment): Remove
+ add_initial_output_section and overloaded add_output_section.
+ Update declaration of remaining add_output_section.
+ * layout.cc (Layout::create_interp): Call add_output_section
+ rather than add_initial_output_section.
+ (Layout::finish_dynamic_section): Likewise.
+
+ * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
+ for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
+ know the dynamic type.
+ * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
+ field. Initialize it in constructor.
+ (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
+ block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
+ Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
+ reloc.
+
+ * output.cc (Output_reloc::get_address): Change return type to
+ Elf_Addr.
+ * output.h (class Output_reloc): Update get_address declaration.
+ * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
+ for section addresses.
+
+2008-05-09 Ian Lance Taylor <iant@google.com>
+
+ PR 6493
+ * gold.cc (gold_nomem): Use return value of write.
+
+2008-05-08 Ian Lance Taylor <iant@google.com>
+
+ * symtab.c (Symbol::init_base_output_data): Add version
+ parameter. Change all callers.
+ (Symbol::init_base_output_segment): Likewise.
+ (Symbol::init_base_constant): Likewise.
+ (Symbol::init_base_undefined): Likewise.
+ (Sized_symbol::init_output_data): Likewise.
+ (Sized_symbol::init_output_segment): Likewise.
+ (Sized_symbol::init_constant): Likewise.
+ (Sized_symbol::init_undefined): Likewise.
+ (Symbol_table::do_define_in_output_data): If the new symbol has a
+ version, mark it as the default.
+ (Symbol_table::do_define_in_output_segment): Likewise.
+ (Symbol_table::do_define_as_constant): Likewise.
+ * symtab.h (class Symbol): Update declarations.
+ (class Sized_symbol): Likewise.
+ * resolve.cc (Symbol::override_version): New function.
+ (Symbol::override_base): Call override_version.
+ (Symbol::override_base_with_special): Likewise.
+ * testsuite/ver_script_8.script: New file.
+ * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
+ (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
+ (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
+ (ver_test_8_1.so, ver_test_8_2.so): New targets.
+
2008-05-06 Ian Lance Taylor <iant@google.com>
+ PR 6049
+ * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
+ functions.
+ (class General_options): Remove existing --undefined, and add
+ --no-undefined instead. Add new --undefined as synonym for -u.
+ * archive.cc (Archive::add_symbols): Check whether symbol was
+ named with -u.
+ * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
+ * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
+ all uses. Add IS_UNDEFINED. Update declarations to split
+ different versions of init_base. Declare init_base_undefined.
+ (Symbol::is_defined): Handle IS_UNDEFINED.
+ (Symbol::is_undefined): Likewise.
+ (Symbol::is_weak_undefined): Call is_undefined.
+ (Symbol::is_absolute): Handle IS_CONSTANT.
+ (class Sized_symbol): Update declarations to split different
+ versions of init. Declare init_undefined.
+ (class Symbol_table): Declare new functions.
+ * symtab.cc (Symbol::init_base_object): Rename from init_base.
+ Change all callers.
+ (Symbol::init_base_output_data): Likewise.
+ (Symbol::init_base_output_segment): Likewise.
+ (Symbol::init_base_constant): Likewise.
+ (Symbol::init_base_undefined): New function.
+ (Sized_symbol::init_object): Rename from init. Change all
+ callers.
+ (Sized_symbol::init_output_data): Likewise.
+ (Sized_symbol::init_output_segment): Likewise.
+ (Sized_symbol::init_constant): Likewise.
+ (Sized_symbol::init_undefined): New function.
+ (Symbol_table::add_undefined_symbols_from_command_line): New
+ function.
+ (Symbol_table::do_add_undefined_symbols_from_command_line): New
+ function.
+ (Symbol::final_value_is_known): Handle IS_UNDEFINED.
+ (Symbol::output_section): Likewise.
+ (Symbol::set_output_section): Likewise.
+ (Symbol_table::sized_finalize_symbol): Likewise.
+ (Symbol_table::sized_write_globals): Likewise.
+ * resolve.cc (Symbol_table::should_override): Likewise.
+ (Symbol::override_base_with_special): Likewise.
+
+ * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
+ symbol, change it to have default visibility.
+ * testsuite/protected_1.cc: New file.
+ * testsuite/protected_2.cc: New file.
+ * testsuite/protected_3.cc: New file.
+ * testsuite/protected_main_1.cc: New file.
+ * testsuite/protected_main_2.cc: New file.
+ * testsuite/protected_main_3.cc: New file.
+ * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
+ (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
+ (protected_1_LDFLAGS, protected_1_LDADD): Define.
+ (protected_1.so): New target.
+ (protected_1_pic.o, protected_2_pic.o): New targets.
+ (protected_3_pic.o): New target.
+ (check_PROGRAMS): Add protected_2.
+ (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
+ (protected_2_LDFLAGS, protected_2_LDADD): Define.
+ * testsuite/Makefile.in: Rebuild.
+
* options.h (DEFINE_var): Add set_user_set_##varname__.
(DEFINE_bool_alias): New macro.
(class General_options): Define -Bstatic using DEFINE_bool_alias
for thin archives. Pass additional parameters to
Archive::Archive. Unlock the archive file after calling
Archive::setup.
-
+
2008-03-29 Ian Lance Taylor <iant@google.com>
* symtab.cc (Symbol_table::do_define_as_constant): Don't force a
2008-03-21 Ian Lance Taylor <iant@google.com>
* Added source code to GNU binutils.
-