+2008-07-24 Ian Lance Taylor <iant@google.com>
+
+ 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
+ rather than DEFINE_special. Add --undefined as an alias for -z
+ defs.
+ * options.cc (General_options::parse_Bstatic): Remove.
+
+ * options.h (class General_options): Add --fatal-warnings.
+ * main.cc (main): Implement --fatal-warnings.
+ * errors.h (Errors::warning_count): New function.
+
+ * options.h (class General_options): Add -Bsymbolic-functions.
+ * symtab.h (Symbol::is_preemptible): Check for
+ -Bsymbolic-functions.
+
+2008-05-05 Ian Lance Taylor <iant@google.com>
+
+ * options.h (DEFINE_bool): For DASH_Z, create the negative option
+ as noVARNAME rather than no-VARNAME.
+ (class General_options): Add option -z combreloc.
+ * output.h (class Output_reloc) [SHT_REL]: Declare compare and
+ get_address.
+ (Output_reloc::sort_before) [SHT_REL]: New function.
+ (Output_reloc::sort_before) [SHT_RELA]: New function.
+ (class Output_data_reloc_base): Add sort_relocs_ field. Define
+ Sort_relocs_comparison.
+ (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
+ parameter. Change all callers.
+ (Output_data_reloc::Output_data_reloc) [both versions]: Add
+ sort_relocs parameter. Change all callers.
+ * output.cc (Output_reloc::get_address): New function, broken out
+ of write_rel.
+ (Output_reloc::write_rel): Call it.
+ (Output_reloc::compare): New function.
+ (Output_data_reloc_base::do_write): Optionally sort relocs.
+
+ * configure.ac: If targ_extra_obj is set, link it in.
+ * configure.tgt: Initialize all variables.
+ (x86_64*): Set targ_extra_obj and targ_extra_size.
+ * configure: Rebuild.
+
+ * object.cc (Sized_relobj::include_section_group): Adjust section
+ indexes read from group data. Build vector to pass to
+ layout_group.
+ * layout.cc (Layout::layout_group): Add flags and shndxes
+ parameters. Remove contents parameter. Change caller. Update
+ explicit instantiations.
+ * layout.h (class Layout): Update layout_group declaration.
+ * output.cc (Output_data_group::Output_data_group): Add flags and
+ input_shndxes parameters. Remove contents parameter. Change
+ caller.
+ (Output_data_group::do_write): Change input_sections_ to
+ input_shndxes_.
+ * output.h (class Output_data_group): Update constructor
+ declaration. Rename input_sections_ to input_shndxes_.
+ * testsuite/many_sections_test.cc: Add template.
+
2008-04-30 Cary Coutant <ccoutant@google.com>
* target-reloc.h (relocate_section): Fix dead-pointer bug.