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56 Commits

Author SHA1 Message Date
Roland McGrath
50ed5eb142 gold/ 
* dwarf_reader.cc (Sized_elf_reloc_mapper::symbol_section): Cast
	SYMNDX to off_t before comparing it to this->data_size().
	* output.cc (Output_symtab_xindex::endian_do_write): Likewise.
	* incremental.cc (Output_section_incremental_inputs::do_write):
	Cast GLOBAL_SYM_COUNT to off_t before comparing it to SYMTAB_SIZE.
 2012-11-01 22:35:06 +00:00
Ian Lance Taylor
1f3212db28 * arm.cc (Arm_relocate_functions::abs16): Remove unused typedef. 
(Arm_exidx_cantunwind::do_fixed_endian_write): Likewise.
	(Target_arm::scan_reloc_for_stub): Likewise.
	* common.cc (Symbol_table::do_allocate_commons_list): Likewise.
	* dwarf_reader.cc (Dwarf_die::skip_attributes): Likewise.
	* ehframe.cc (Eh_frame::do_add_ehframe_input_section): Likewise.
	* incremental.cc (Sized_incr_dynobj::do_add_symbols): Likewise.
	* powerpc.cc (Target_powerpc::relocate_tls): Likewise.
 2012-07-11 14:18:40 +00:00
Roland McGrath
2e702c99c5 * configure.ac (ENABLE_GOLD): Consider *-*-nacl* targets ELF. 
* configure: Regenerate.

gold/
	* nacl.cc: New file.
	* nacl.h: New file.
	* Makefile.am (CCFILES, HFILES): Add them.
	* Makefile.in: Regenerate.
	* i386.cc (Output_data_plt_i386_nacl): New class.
	(Output_data_plt_i386_nacl_exec): New class.
	(Output_data_plt_i386_nacl_dyn): New class.
	(Target_i386_nacl): New class.
	(Target_selector_i386_nacl): New class.
	(target_selector_i386): Use it instead of Target_selector_i386.
	* x86_64.cc (Output_data_plt_x86_64_nacl): New class.
	(Target_x86_64_nacl): New class.
	(Target_selector_x86_64_nacl): New class.
	(target_selector_x86_64, target_selector_x32): Use it instead of
	Target_selector_x86_64.
	* arm.cc (Output_data_plt_arm_nacl): New class.
	(Target_arm_nacl): New class.
	(Target_selector_arm_nacl): New class.
	(target_selector_arm, target_selector_armbe): Use it instead of
	Target_selector_arm.

	* target-select.cc (select_target): Take new Input_file* and off_t
	arguments, pass them on to recognize method of selector.
	* object.cc (make_elf_sized_object): Update caller.
	* parameters.cc (parameters_force_valid_target): Likewise.
	* incremental.cc (make_sized_incremental_binary): Likewise.
	* target-select.h: Update decl.
	(Target_selector::recognize): Take new Input_file* argument,
	pass it on to do_recognize.
	(Target_selector::do_recognize): Take new Input_file* argument.
	* freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
	* powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
	* sparc.cc (Target_selector_sparc::do_recognize): Likewise.
	* testsuite/testfile.cc (Target_selector::do_recognize): Likewise.

	* target.h (Target::Target_info): New members isolate_execinstr
	and rosegment_gap.
	(Target::isolate_execinstr, Target::rosegment_gap): New methods.
	* arm.cc (Target_arm::arm_info): Update initializer.
	* i386.cc (Target_i386::i386_info): Likewise.
	* powerpc.cc (Target_powerpc::powerpc_info): Likewise.
	* sparc.cc (Target_sparc::sparc_info): Likewise.
	* x86_64.cc (Target_x86_64::x86_64_info): Likewise.
	* testsuite/testfile.cc (Target_test::test_target_info): Likewise.
	* layout.cc (Layout::attach_allocated_section_to_segment):
	Take new const Target* argument.  If target->isolate_execinstr(), act
	like --rosegment.
	(Layout::find_first_load_seg): Take new const Target* argument;
	if target->isolate_execinstr(), reject PF_X segments.
	(Layout::relaxation_loop_body): Update caller.
	(Layout::set_segment_offsets): If target->isolate_execinstr(),
	reset file offset to zero when we hit LOAD_SEG, and then do a second
	loop over the segments before LOAD_SEG to reassign offsets after
	addresses have been determined.  Handle target->rosegment_gap().
	(Layout::attach_section_to_segment): Take new const Target* argument;
	pass it to attach_allocated_section_to_segment.
	(Layout::make_output_section): Update caller.
	(Layout::attach_sections_to_segments): Take new const Target* argument;
	pass it to attach_section_to_segment.
	* gold.cc (queue_middle_tasks): Update caller.
	* layout.h (Layout): Update method decls with new arguments.

	* arm.cc (Target_arm::Target_arm): Take optional argument for the
	Target_info pointer to use.
	(Target_arm::do_make_data_plt): New virtual method.
	(Target_arm::make_data_plt): New method that calls it.
	(Target_arm::make_plt_entry): Use it.
	(Output_data_plt_arm::Output_data_plt_arm): Take additional argument
	for the section alignment.
	(Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
	method.
	(Output_data_plt_arm::first_plt_entry_offset): Call it.
	(Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
	method.
	(Output_data_plt_arm::get_plt_entry_size): Call it.
	(Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
	(Output_data_plt_arm::fill_plt_entry): New method that calls it.
	(Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
	method.
	(Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
	(Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
	method instead of sizeof(plt_entry).
	(Output_data_plt_arm::add_entry): Likewise.
	Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
	(Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
	than static method.
	(Target_arm::plt_entry_size): Likewise.
	(Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
	Move to ...
	(Output_data_plt_arm_standard): ... here, new class.
	(Output_data_plt_arm::do_write): Move guts of PLT filling to...
	(Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
	(Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.

	* x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
	Take additional argument for the PLT entry size.
	(Output_data_plt_x86_64::get_tlsdesc_plt_offset):
	Use get_plt_entry_size method rather than plt_entry_size variable.
	(Output_data_plt_x86_64::reserve_slot): Likewise.
	(Output_data_plt_x86_64::do_adjust_output_section): Likewise.
	(Output_data_plt_x86_64::add_entry): Likewise.
	(Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
	(Output_data_plt_x86_64::address_for_global): Likewise.
	(Output_data_plt_x86_64::address_for_local): Likewise.
	(Output_data_plt_x86_64::set_final_data_size): Likewise.
	(Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
	Make method non-static.
	(Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
	method.
	(Output_data_plt_x86_64::get_plt_entry_size): Just call that.
	(Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
	(Output_data_plt_x86_64::add_eh_frame): New method to call it.
	(Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
	virtual method.
	(Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
	(Output_data_plt_x86_64::do_fill_plt_entry): New abstract
	virtual method.
	(Output_data_plt_x86_64::fill_plt_entry): New method to call it.
	(Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
	virtual method.
	(Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
	(Output_data_plt_x86_64::plt_entry_size)
	(Output_data_plt_x86_64::first_plt_entry)
	(Output_data_plt_x86_64::plt_entry)
	(Output_data_plt_x86_64::tlsdesc_plt_entry)
	(Output_data_plt_x86_64::plt_eh_frame_fde_size)
	(Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
	(Output_data_plt_x86_64_standard): ... here, new class.
	(Target_x86_64::Target_x86_64): Take optional argument for the
	Target_info pointer to use.
	(Target_x86_64::do_make_data_plt): New virtual method.
	(Target_x86_64::make_data_plt): New method to call it.
	(Target_x86_64::init_got_plt_for_update): Use that.
	Call this->plt_->add_eh_frame method here.
	(Output_data_plt_x86_64::init):	Don't do add_eh_frame_for_plt here.
	(Target_x86_64::first_plt_entry_offset): Call method on this->plt_
	rather than static method.
	(Target_x86_64::plt_entry_size): Likewise.
	(Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
	rather than plt_entry_size variable.  Move guts of PLT filling to...
	(Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
	(Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
	(Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.

	* i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
	additional argument for the section alignment.
	Don't do add_eh_frame_for_plt here.
	(Output_data_plt_i386::first_plt_entry_offset): Make the method
	non-static.  Use get_plt_entry_size method rather than plt_entry_size
	variable.
	(Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
	method.
	(Output_data_plt_i386::get_plt_entry_size): Call it.
	(Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
	(Output_data_plt_i386::add_eh_frame): New method to call it.
	(Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
	method.
	(Output_data_plt_i386::fill_first_plt_entry): New method to call it.
	(Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
	method.
	(Output_data_plt_i386::fill_plt_entry): New method to call it.
	(Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
	method instead of plt_entry_size.
	(Output_data_plt_i386::plt_entry_size)
	(Output_data_plt_i386::plt_eh_frame_fde_size)
	(Output_data_plt_i386::plt_eh_frame_fde): Move to ...
	(Output_data_plt_i386_standard): ... here, new class.
	(Output_data_plt_i386_exec): New class.
	(Output_data_plt_i386::exec_first_plt_entry): Move to ...
	(Output_data_plt_i386_exec::first_plt_entry): ... here.
	(Output_data_plt_i386::exec_plt_entry): Move to ...
	(Output_data_plt_i386_exec::plt_entry): ... here.
	(Output_data_plt_i386_dyn): New class.
	(Output_data_plt_i386::first_plt_entry): Move to ...
	(Output_data_plt_i386_dyn::first_plt_entry): ... here.
	(Output_data_plt_i386::dyn_plt_entry): Move to ...
	(Output_data_plt_i386_dyn::plt_entry): ... here.
	(Target_i386::Target_i386): Take optional argument for the Target_info
	pointer to use.
	(Target_i386::do_make_data_plt): New virtual method.
	(Target_i386::make_data_plt): New method to call it.
	(Target_i386::make_plt_section): Use that.
	Call this->plt_->add_eh_frame method here.
	(Output_data_plt_i386::add_entry): Use get_plt_entry_size method
	rather than plt_entry_size variable.
	(Output_data_plt_i386::add_local_ifunc_entry): Likewise.
	(Output_data_plt_i386::address_for_local): Likewise.
	(Output_data_plt_i386::do_write): Likewise.
	Move guts of PLT filling to...
	(Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
	(Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
	(Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
	(Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.

Change-Id: Id24b95600489835ff5e860a39c147203d4380c2b
 2012-05-02 21:37:24 +00:00
Cary Coutant
f038d49652 * incremental-dump.cc (find_input_containing_global): Replace 
magic number with symbolic constant.
	(dump_incremental_inputs): Update version number.
	* incremental.cc (Output_section_incremental_inputs): Update version
	number; import symbolic constants from Incremental_inputs_reader.
	(Incremental_inputs::create_data_sections): Align relocations
	section correctly for 64-bit targets.
	(Output_section_incremental_inputs::set_final_data_size): Use symbolic
	constants; add padding.
	(Output_section_incremental_inputs::write_header): Add assert for
	header_size.
	(Output_section_incremental_inputs::write_input_files): Add assert
	for input_entry_size.
	(Output_section_incremental_inputs::write_info_blocks): Add padding;
	add assert for object_info_size, input_section_entry_size,
	global_sym_entry_size.
	* incremental.h (Incremental_inputs_reader): Add symbolic constants
	for data structure sizes; use them.
	(Incremental_input_entry_reader): Import symbolic constants from
	Incremental_inputs_reader; use them.
 2012-04-24 22:05:28 +00:00
Cary Coutant
c1027032c2 2012-03-21 Cary Coutant <ccoutant@google.com> 
* Makefile.am: Add gdb-index.cc, gdb-index.h.
	* Makefile.in: Regenerate.
	* dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
	(Sized_elf_reloc_mapper::symbol_section): New function.
	(Sized_elf_reloc_mapper::do_get_reloc_target): New function.
	(make_elf_reloc_mapper): New function.
	(Dwarf_abbrev_table::clear_abbrev_codes): New function.
	(Dwarf_abbrev_table::do_read_abbrevs): New function.
	(Dwarf_abbrev_table::do_get_abbrev): New function.
	(Dwarf_ranges_table::read_ranges_table): New function.
	(Dwarf_ranges_table::read_range_list): New function.
	(Dwarf_pubnames_table::read_section): New function.
	(Dwarf_pubnames_table::read_header): New function.
	(Dwarf_pubnames_table::next_name): New function.
	(Dwarf_die::Dwarf_die): New function.
	(Dwarf_die::read_attributes): New function.
	(Dwarf_die::skip_attributes): New function.
	(Dwarf_die::set_name): New function.
	(Dwarf_die::set_linkage_name): New function.
	(Dwarf_die::attribute): New function.
	(Dwarf_die::string_attribute): New function.
	(Dwarf_die::int_attribute): New function.
	(Dwarf_die::uint_attribute): New function.
	(Dwarf_die::ref_attribute): New function.
	(Dwarf_die::child_offset): New function.
	(Dwarf_die::sibling_offset): New function.
	(Dwarf_info_reader::check_buffer): New function.
	(Dwarf_info_reader::parse): New function.
	(Dwarf_info_reader::do_parse): New function.
	(Dwarf_info_reader::do_read_string_table): New function.
	(Dwarf_info_reader::lookup_reloc): New function.
	(Dwarf_info_reader::get_string): New function.
	(Dwarf_info_reader::visit_compilation_unit): New function.
	(Dwarf_info_reader::visit_type_unit): New function.
	(Sized_dwarf_line_info::Sized_dwarf_line_info): Use
	Sized_elf_reloc_mapper.
	(Sized_dwarf_line_info::symbol_section): Remove function.
	(Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
	(Sized_dwarf_line_info::read_line_mappings): Remove object
	parameter, adjust callers.
	(Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
	* dwarf_reader.h: Include <sys/types.h>.
	(class Track_relocs): Remove forward declaration.
	(class Elf_reloc_mapper): New class.
	(class Sized_elf_reloc_mapper): New class.
	(class Dwarf_abbrev_table): New class.
	(class Dwarf_range_list): New class.
	(class Dwarf_ranges_table): New class.
	(class Dwarf_pubnames_table): New class.
	(class Dwarf_die): New class.
	(class Dwarf_info_reader): New class.
	(Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
	(Sized_dwarf_line_info::symbol_section): Remove member function.
	* dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
	base class.
	* gdb-index.cc: New source file.
	* gdb-index.h: New source file.
	* incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
	and .debug_types sections, call Layout::add_to_gdb_index.
	(Sized_relobj_incr::do_section_name): Implement.
	(Sized_relobj_incr::do_section_contents): Adjust parameter list and
	return type; Implement.
	(Sized_incr_dynobj::do_section_contents): Adjust parameter list and
	return type.
	* incremental.h (Sized_relobj_incr::do_section_contents): Adjust
	parameter list and return type.
	(Sized_incr_dynobj::do_section_contents): Likewise.
	* layout.cc: Include gdb-index.h.
	(Layout::Layout): Initialize gdb_index_data_.
	(Layout::init_fixed_output_section): Check for .gdb_index section.
	(Layout::add_to_gdb_index): New function. Instantiate.
	* layout.h: Add forward declaration for class Gdb_index.
	(Layout::add_to_gdb_index): New member function.
	(Layout::gdb_index_data_): New data member.
	* main.cc: Include gdb-index.h.
	(main): Print statistics for gdb index.
	* object.cc (Object::section_contents): Move code into
	do_section_contents.
	(need_decompressed_section): Check for sections needed when building
	gdb index.
	(build_compressed_section_map): Likewise.
	(Sized_relobj_file::do_read_symbols): Need local symbols when building
	gdb index.
	(Sized_relobj_file::do_layout): Track .debug_info and .debug_types
	sections; call Layout::add_to_gdb_index.
	(Sized_relobj_file::do_decompressed_section_contents): Call
	do_section_contents directly.
	* object.h (Object::do_section_contents): Adjust parameter list and
	return type.
	(Object::do_decompressed_section_contents): Call do_section_contents
	directly.
	(Sized_relobj_file::do_section_contents): Adjust parameter list and
	return type.
	* options.h (class General_options): Add --gdb-index option.
	* plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
	list and return type.
	* plugin.h (Sized_pluginobj::do_section_contents): Likewise.
	* reloc.h (Track_relocs::checkpoint): New function.
	(Track_relocs::reset): New function.

	* testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
	New test cases.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/gdb_index_test.cc: New test source file.
	* testsuite/gdb_index_test_1.sh: New test source file.
	* testsuite/gdb_index_test_2.sh: New test source file.
 2012-03-21 19:02:22 +00:00
H.J. Lu
c335b55d34 Correct incremental relocation offset 
2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>

	* incremental.cc (write_info_blocks): Correct relocation offset.
 2012-01-28 00:23:31 +00:00
Cary Coutant
dd74ae0671 * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt): 
Use abstract base class for GOT.
	* gold/output.h (class Output_data_got_base): New abstract base class.
	(class Output_data_got): Derive from new base class, adjust ctors.
	(Output_data_got::reserve_slot): Make virtual; rename to
	do_reserve_slot; Adjust callers.
	* gold/target.h (Sized_target::init_got_plt_for_update): Return
	pointer to abstract base class.
	* gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
 2012-01-04 00:18:23 +00:00
Cary Coutant
53bbcc1bb8 * gold/incremental.cc (Sized_relobj_incr::Sized_relobj_incr): 
Initialize defined_count_.
	(Sized_relobj_incr::do_add_symbols): Count defined symbols.
	(Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
	(Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
	(Sized_incr_dynobj::do_add_symbols): Count defined symbols.
	(Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
	* gold/incremental.h (Sized_relobj_incr::defined_count_): New data
	member.
	(Sized_incr_dynobj::defined_count_): New data member.
	* gold/plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
	Return zeroes instead of internal error.
 2011-10-10 17:38:07 +00:00
Cary Coutant
a7dac15368 * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt): 
Check for NULL.
	* gold/symtab.cc (Symbol_table::add_from_relobj): Ignore version
	symbols during incremental update.
	(Symbol_table::add_from_dynobj): Likewise.
 2011-09-29 17:04:36 +00:00
Cary Coutant
0c9350c83f * incremental.cc (can_incremental_update): Fix typo in comment. 
* incremental.h (can_incremental_update): Likewise.
 2011-09-19 19:29:55 +00:00
Cary Coutant
aa06ae28f1 * incremental.cc (can_incremental_update): New function. 
* incremental.h (can_incremental_update): New function.
	* layout.cc (Layout::init_fixed_output_section): Call it.
	(Layout::make_output_section): Don't allow patch space in .eh_frame.
	* object.cc (Sized_relobj_file::do_layout): Call
	can_incremental_update.
 2011-09-18 15:06:28 +00:00
Cary Coutant
1206d0d514 * incremental.cc (Sized_relobj_incr::do_layout): Call 
report_comdat_group for kept comdat sections.
	* testsuite/Makefile.am (incremental_comdat_test_1): New test.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/incr_comdat_test_1.cc: New source file.
	* testsuite/incr_comdat_test_2_v1.cc: New source file.
	* testsuite/incr_comdat_test_2_v2.cc: New source file.
	* testsuite/incr_comdat_test_2_v3.cc: New source file.
 2011-09-14 01:10:43 +00:00
Ian Lance Taylor
67181c72fb PR gold/12372 
* target.h (Target::plt_address_for_global): New function.
	(Target::plt_address_for_local): New function.
	(Target::plt_section_for_global): Remove.
	(Target::plt_section_for_local): Remove.
	(Target::do_plt_address_for_global): New virtual function.
	(Target::do_plt_address_for_local): New virtual function.
	(Target::do_plt_section_for_global): Remove.
	(Target::do_plt_section_for_local): Remove.
	(Target::register_global_plt_entry): Add Symbol_table and Layout
	parameters.
	* output.cc (Output_data_got::Got_entry::write): Use
	plt_address_for_global and plt_address_for_local.
	* layout.cc (Layout::add_target_dynamic_tags): Use size and
	address of output section.
	* i386.cc (class Output_data_plt_i386): Add irelative_rel_,
	got_irelative_, and irelative_count_ fields.  Update
	declarations.
	(Output_data_plt_i386::has_irelative_section): New function.
	(Output_data_plt_i386::entry_count): Add irelative_count_.
	(Output_data_plt_i386::set_final_data_size): Likewise.
	(class Target_i386): Add got_irelative_ and rel_irelative_
	fields.  Update declarations.
	(Target_i386::Target_i386): Initialize new fields.
	(Target_i386::do_plt_address_for_global): New function replacing
	do_plt_section_for_global.
	(Target_i386::do_plt_address_for_local): New function replacing
	do_plt_section_for_local.
	(Target_i386::got_section): Create got_irelative_.
	(Target_i386::rel_irelative_section): New function.
	(Output_data_plt_i386::Output_data_plt_i386): Initialize new
	fields.  Don't define __rel_iplt_{start,end}.
	(Output_data_plt_i386::add_entry): Add symtab and layout
	parameters.  Change all callers.  Use different PLT and GOT for
	IFUNC symbols.
	(Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
	layout parameters.  Change all callers.  Use different PLT and
	GOT.
	(Output_data_plt_i386::rel_tls_desc): Fix formatting.
	(Output_data_plt_i386::rel_irelative): New function.
	(Output_data_plt_i386::address_for_global): New function.
	(Output_data_plt_i386::address_for_local): New function.
	(Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
	IRELATIVE GOT when changing IFUNC GOT entries.
	(Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
	reloc.
	(Target_i386::do_finalize_sections): Create the __rel_iplt symbols
	if we didn't create an IRELATIVE GOT.
	(Target_i386::Relocate::relocate): Use plt_address_for_global and
	plt_address_for_local.
	(Target_i386::do_dynsym_value): Use plt_address_for_global.
	* x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
	got_irelative_, and irelative_count_ fields.  Update
	declarations.
	(Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
	Initialize new fields.  Remove symtab parameter.  Change all
	callers.
	(Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
	irelative_count_.
	(Output_data_plt_x86_64::has_irelative_section): New function.
	(Output_data_plt_x86_64::entry_count): Add irelative_count_.
	(class Target_x86_64): Add got_irelative_ and rel_irelative_
	fields.  Update declarations.
	(Target_x86_64::Target_x86_64): Initialize new fields.
	(Target_x86_64::do_plt_address_for_global): New function replacing
	do_plt_section_for_global.
	(Target_x86_64::do_plt_address_for_local): New function replacing
	do_plt_section_for_local.
	(Target_x86_64::got_section): Create got_irelative_.
	(Target_x86_64::rela_irelative_section): New function.
	(Output_data_plt_x86_64::init): Remove symtab parameter.  Change
	all callers.  Don't create __rel_iplt_{start,end}.
	(Output_data_plt_x86_64::add_entry): Add symtab and layout
	parameters.  Change all callers.  Use different PLT and GOT for
	IFUNC symbols.
	(Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
	layout parameters.  Change all callers.  Use different PLT and
	GOT.
	(Output_data_plt_x86_64::add_relocation): Add symtab and layout
	parameters.  Change all callers.  Use different PLT and GOT for
	IFUNC symbols.
	(Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
	(Output_data_plt_x86_64::rela_irelative): New function.
	(Output_data_plt_x86_64::address_for_global): New function.
	(Output_data_plt_x86_64::address_for_local): New function.
	(Output_data_plt_x86_64::set_final_data_size): Likewise.
	(Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
	(Target_x86_64::init_got_plt_for_update): Create got_irelative_.
	(Target_x86_64::register_global_plt_entry): Add symtab and layout
	parameters.
	(Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
	reloc.
	(Target_x86_64::do_finalize_sections): Create the __rela_iplt
	symbols if we didn't create an IRELATIVE GOT.
	(Target_x86_64::Relocate::relocate): Use plt_address_for_global and
	plt_address_for_local.
	(Target_x86_64::do_dynsym_value): Use plt_address_for_global.
	* testsuite/ifuncvar1.c: New test file.
	* testsuite/ifuncvar2.c: New test file.
	* testsuite/ifuncvar3.c: New test file.
	* testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
	(ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
	(ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
	(ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
	* testsuite/Makefile.in: Rebuild.
 2011-07-08 22:48:08 +00:00
Cary Coutant
f48b5fb76b * gold/incremental.cc 
(Output_section_incremental_inputs::write_info_blocks): Check for
	hidden and internal symbols.
 2011-07-06 22:26:37 +00:00
Cary Coutant
221597a548 * incremental.cc (Sized_incremental_binary::do_file_has_changed): 
Check disposition for startup file.
	(Incremental_inputs::report_command_line): Ignore
	--incremental-startup-unchanged option.
	* options.cc (General_options::parse_incremental_startup_unchanged):
	New function.
	(General_options::General_options): Initialize new data member.
	* options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
	(General_options): Add --incremental-startup-unchanged option.
	(General_options::incremental_startup_disposition): New function.
	(General_options::incremental_startup_disposition_): New data member.
 2011-07-06 22:15:12 +00:00
Cary Coutant
e24719f6e7 * incremental.cc (Sized_incremental_binary::setup_readers): Pass 
input file index to Script_info ctor.
	(Sized_incremental_binary::do_file_has_changed): Find the
	command-line argument for files named in scripts.
	* incremental.h (Script_info::Script_info): New ctor
	with input file index.
	(Script_info::input_file_index): New function.
	(Script_info::input_file_index_): New data member.
	(Incremental_binary::get_library): Add const.
	(Incremental_binary::get_script_info): Add const.
	* readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
	* testsuite/Makefile.am (incremental_test_5): New test case.
	(incremental_test_6): New test case.
	* testsuite/Makefile.in: Regenerate.
 2011-07-06 22:07:59 +00:00
Cary Coutant
8f7c81e876 * incremental.cc (Sized_incremental_binary::do_check_inputs): Add 
debug output when command lines differ.
 2011-07-06 21:22:55 +00:00
Cary Coutant
9fbd3822ad * incremental.cc (Incremental_inputs::report_command_line): Ignore 
--incremental-patch option.
	* layout.cc (Free_list::allocate): Extend allocation beyond original
	end if enabled.
	(Layout::make_output_section): Mark sections that should get
	patch space.
	* options.cc (parse_percent): New function.
	* options.h (parse_percent): New function.
	(DEFINE_percent): New macro.
	(General_options): Add --incremental-patch option.
	* output.cc (Output_section::Output_section): Initialize new data
	members.
	(Output_section::add_input_section): Print section name when out
	of patch space.
	(Output_section::add_output_section_data): Likewise.
	(Output_section::set_final_data_size): Add patch space when
	doing --incremental-full.
	(Output_section::do_reset_address_and_file_offset): Remove patch
	space.
	(Output_segment::set_section_list_addresses): Print debug output
	only if --incremental-update.
	* output.h (Output_section::set_is_patch_space_allowed): New function.
	(Output_section::is_patch_space_allowed_): New data member.
	(Output_section::patch_space_): New data member.
	* parameters.cc (Parameters::incremental_full): New function.
	* parameters.h (Parameters::incremental_full): New function
	* testsuite/Makefile.am (incremental_test_2): Add test for
	--incremental-patch option.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
	(t18): Remove function body.
 2011-07-06 21:19:32 +00:00
Cary Coutant
5146f44856 * common.cc (Symbol_table::do_allocate_commons_list): For incremental 
update, allocate common from bss section's free list.
	* incremental-dump.cc (dump_incremental_inputs): Print flag for
	linker-defined symbols.
	* incremental.cc (Sized_incremental_binary::do_process_got_plt):
	Skip GOT and PLT entries that are no longer referenced.
	(Output_section_incremental_inputs::write_info_blocks): Mark
	linker-defined symbols.
	(Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
	* output.cc (Output_section::allocate): New function.
	* output.h (Output_section::allocate): New function.
	* resolve.cc (Symbol_table::report_resolve_problem): Add case for
	linker-defined symbols.
	(Symbol::override_base_with_special): Copy is_predefined_ flag.
	* symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
	(Symbol::init_base_output_data): Likewise.
	(Symbol::init_base_output_segment): Likewise.
	(Symbol::init_base_constant): Likewise.
	(Sized_symbol::init_output_data): Likewise.
	(Sized_symbol::init_output_segment): Likewise.
	(Sized_symbol::init_constant): Likewise.
	(Symbol_table::do_define_in_output_data): Likewise.
	(Symbol_table::do_define_in_output_segment): Likewise.
	(Symbol_table::do_define_as_constant): Likewise.
	* symtab.h (Symbol::is_predefined): New function.
	(Symbol::init_base_output_data): Add is_predefined parameter.
	(Symbol::init_base_output_segment): Likewise.
	(Symbol::init_base_constant): Likewise.
	(Symbol::is_predefined_): New data member.
	(Sized_symbol::init_output_data): Add is_predefined parameter.
	(Sized_symbol::init_output_segment): Likewise.
	(Sized_symbol::init_constant): Likewise.
	(enum Symbol_table::Defined): Add INCREMENTAL_BASE.
 2011-06-08 04:05:25 +00:00
Cary Coutant
26d3c67de1 * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc 
instead of emit_copy_reloc.
	(Copy_relocs::emit_copy_reloc): Refactor.
	(Copy_relocs::make_copy_reloc): New function.
	(Copy_relocs::add_copy_reloc): Remove.
	* copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
	section.
	(Copy_relocs::make_copy_reloc): New function.
	(Copy_relocs::add_copy_reloc): Remove.
	* gold.cc (queue_middle_tasks): Emit old COPY relocations from
	unchanged input files.
	* incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
	* incremental.cc (Sized_incremental_binary::do_reserve_layout):
	Reserve BSS space for COPY relocations.
	(Sized_incremental_binary::do_emit_copy_relocs): New function.
	(Output_section_incremental_inputs::write_info_blocks): Record
	whether a symbol is copied from a shared object.
	(Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
	* incremental.h (enum Incremental_shlib_symbol_flags): New type.
	(INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
	(Incremental_input_entry_reader::get_output_symbol_index): Add
	is_copy parameter.
	(Incremental_binary::emit_copy_relocs): New function.
	(Incremental_binary::do_emit_copy_relocs): New function.
	(Sized_incremental_binary::Sized_incremental_binary): Initialize
	new data member.
	(Sized_incremental_binary::add_copy_reloc): New function.
	(Sized_incremental_binary::do_emit_copy_relocs): New function.
	(Sized_incremental_binary::Copy_reloc): New struct.
	(Sized_incremental_binary::Copy_relocs): New typedef.
	(Sized_incremental_binary::copy_relocs_): New data member.
	* symtab.cc (Symbol_table::add_from_incrobj): Change return type.
	* symtab.h (Symbol_table::add_from_incrobj): Change return type.
	* target.h (Sized_target::emit_copy_reloc): New function.
	* x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
 2011-06-08 03:50:12 +00:00
Cary Coutant
89d8a36b24 * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups. 
* incremental.cc (Incremental_inputs::report_input_section): Fix
	comment, indentation.
	(Incremental_inputs::report_comdat_group): New function.
	(Output_section_incremental_inputs::set_final_data_size): Adjust size
	of data for incremental input file entry.
	(Output_section_incremental_inputs::write_info_blocks): Write COMDAT
	group count, COMDAT group signatures.
	(Sized_incr_relobj::do_layout): Record kept COMDAT group info from
	an unchanged input file.
	* incremental.h (Incremental_object_entry::Incremental_object_entry):
	Initialize new data member.
	(Incremental_object_entry::add_comdat_group): New function.
	(Incremental_object_entry::get_comdat_group_count): New function.
	(Incremental_object_entry::get_comdat_signature_key): New function.
	(Incremental_object_entry::groups_): New data member.
	(Incremental_inputs::report_comdat_group): New function.
	(Incremental_input_entry_reader::get_symbol_offset): Adjust size of
	data for incremental input file entry.
	(Incremental_input_entry_reader::get_comdat_group_count): New function.
	(Incremental_input_entry_reader::get_input_section): Adjust size of
	data for incremental input file entry.
	(Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
	(Incremental_input_entry_reader::get_comdat_group_signature): New
	function.
	* object.cc (Sized_relobj::include_section_group): Report kept
	COMDAT groups for incremental links.
 2011-05-26 18:44:27 +00:00
Cary Coutant
aa92d6edc4 * gold.cc (queue_initial_tasks): Pass incremental base filename 
to Output_file::open_base_file; don't print error message.
	* incremental-dump.cc (main): Adjust call to
	Output_file::open_for_modification.
	* incremental-dump.cc (main): Likewise.
	* incremental.cc (Incremental_inputs::report_command_line):
	Ignore --incremental-base option when comparing command lines.
	Ignore parameter when given as separate argument.
	* options.h (class General_options): Add --incremental-base.
	* output.cc (Output_file::Output_file):
	(Output_file::open_base_file): Add base_name and writable parameters;
	read base file into new file; print error message here.
	(Output_file::map_no_anonymous): Add writable parameter; adjust all
	callers.
	* output.h (Output_file::open_for_modification): Rename to...
	(Output_file::open_base_file): ...this; add base_name and
	writable parameters; adjust all callers.
	(Output_file::map_no_anonymous): Add writable parameter; adjust all
	callers.
	* testsuite/Makefile.am (incremental_test_4): Test
	--incremental-base.
	* testsuite/Makefile.in: Regenerate.
 2011-05-24 23:31:07 +00:00
Cary Coutant
0f1c85a622 * dynobj.h (Dynobj::do_dynobj): New function. 
* incremental-dump.cc (dump_incremental_inputs): Print as_needed
	flag and soname for shared objects.
	* incremental.cc (Incremental_inputs::report_object): Make
	either Incremental_object_entry or Incremental_dynobj_entry; add
	soname to string table.
	(Incremental_inputs::report_input_section): Add assertion.
	(Output_section_incremental_inputs::set_final_data_size): Adjust
	type of input file entry for shared libraries; adjust size of
	shared library info entry.
	(Output_section_incremental_inputs::write_input_files): Write
	as_needed flag for shared libraries.
	(Output_section_incremental_inputs::write_info_blocks): Adjust type
	of input file entry for shared libraries; write soname.
	(Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
	soname from incremental info.
	* incremental.h (enum Incremental_input_flags): Add
	INCREMENTAL_INPUT_AS_NEEDED.
	(Incremental_input_entry::Incremental_input_entry): Initialize new
	data member.
	(Incremental_input_entry::set_as_needed): New function.
	(Incremental_input_entry::as_needed): New function.
	(Incremental_input_entry::do_dynobj_entry): New function.
	(Incremental_input_entry::as_needed_): New data member.
	(Incremental_object_entry::Incremental_object_entry): Don't check
	for shared library.
	(Incremental_object_entry::do_type): Likewise.
	(class Incremental_dynobj_entry): New class.
	(Incremental_input_entry_reader::as_needed): New function.
	(Incremental_input_entry_reader::get_soname): New function.
	(Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
	(Incremental_input_entry_reader::get_output_symbol_index): Adjust
	size of shared library info entry.
	* layout.cc (Layout::finish_dynamic_section): Don't test for
	incremental link when adding DT_NEEDED entries.
	* object.h (Object::Object): Initialize new data member.
	(Object::dynobj): New function.
	(Object::set_as_needed): New function.
	(Object::as_needed): New function.
	(Object::do_dynobj): New function.
	(Object::as_needed_): New data member.
 2011-05-24 21:57:28 +00:00
Cary Coutant
6fa2a40bf4 * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc 
info; adjust display of GOT entries.
	* incremental.cc (Sized_incremental_binary::setup_readers): Allocate
	vector of input objects; remove file_status_.
	(Sized_incremental_binary::do_reserve_layout): Remove file_status_.
	(Sized_incremental_binary::do_process_got_plt): Adjust calls to
	got_plt reader; call target hooks to reserve GOT entries.
	(Output_section_incremental_inputs::set_final_data_size): Adjust size
	of input file info header and GOT info entry.
	(Output_section_incremental_inputs::write_info_blocks): Write dynamic
	relocation info.
	(Got_plt_view_info::got_descriptor): Remove.
	(Got_plt_view_info::sym_index): New data member.
	(Got_plt_view_info::input_index): New data member.
	(Local_got_offset_visitor::visit): Write input file index.
	(Global_got_offset_visitor::visit): Write 0 for input file index.
	(Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
	with sym_index and input_index.
	(Output_section_incremental_inputs::write_got_plt): Adjust size of
	incremental info GOT entry; replace got_descriptor with input_index.
	(Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
	map from input file index to object.
	(Sized_relobj_incr::do_layout): Replace direct data member reference
	with accessor function.
	(Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
	* incremental.h (Incremental_input_entry_reader::get_symbol_offset):
	Adjust size of input file info header.
	(Incremental_input_entry_reader::get_first_dyn_reloc): New function.
	(Incremental_input_entry_reader::get_dyn_reloc_count): New function.
	(Incremental_input_entry_reader::get_input_section): Adjust size of
	input file info header.
	(Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
	of incremental info GOT entry.
	(Incremental_got_plt_reader::get_got_desc): Remove.
	(Incremental_got_plt_reader::get_got_symndx): New function.
	(Incremental_got_plt_reader::get_got_input_index): New function.
	(Sized_incremental_binary::Sized_incremental_binary): Remove
	file_status_; add input_objects_.
	(Sized_incremental_binary::~Sized_incremental_binary): Remove.
	(Sized_incremental_binary::set_file_is_unchanged): Remove.
	(Sized_incremental_binary::file_is_unchanged): Remove.
	(Sized_incremental_binary::set_input_object): New function.
	(Sized_incremental_binary::input_object): New function.
	(Sized_incremental_binary::file_status_): Remove.
	(Sized_incremental_binary::input_objects_): New data member.
	(Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
	references.
	(Sized_relobj_incr::invalid_address): Move to base class.
	(Sized_relobj_incr::is_output_section_offset_invalid): Move to base
	class.
	(Sized_relobj_incr::do_output_section_offset): Likewise.
	(Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
	(Sized_relobj_incr::section_offsets_): Likewise.
	* object.cc (Sized_relobj::do_for_all_local_got_entries): New
	function.
	(Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
	(Sized_relobj_file::layout_section): Replace refs to section_offsets_
	with accessor function.
	(Sized_relobj_file::do_layout): Likewise.
	(Sized_relobj_file::do_layout_deferred_sections): Likewise.
	(Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
	(Sized_relobj_file::compute_final_local_value): Replace refs to
	section_offsets_ with accessor function.
	(Sized_relobj_file::do_finalize_local_symbols): Likewise.
	* object.h (Relobj::Relobj): Initialize new data members.
	(Relobj::add_dyn_reloc): New function.
	(Relobj::first_dyn_reloc): New function.
	(Relobj::dyn_reloc_count): New function.
	(Relobj::first_dyn_reloc_): New data member.
	(Relobj::dyn_reloc_count_): New data member.
	(Sized_relobj): Rename Sized_relobj_base to this; adjust all
	references.
	(Sized_relobj::Address): New typedef.
	(Sized_relobj::invalid_address): Move here from child class.
	(Sized_relobj::Sized_relobj): Initialize new data members.
	(Sized_relobj::sized_relobj): New function.
	(Sized_relobj::is_output_section_offset_invalid): Move here from
	child class.
	(Sized_relobj::get_output_section_offset): Likewise.
	(Sized_relobj::local_has_got_offset): Likewise.
	(Sized_relobj::local_got_offset): Likewise.
	(Sized_relobj::set_local_got_offset): Likewise.
	(Sized_relobj::do_for_all_local_got_entries): Likewise.
	(Sized_relobj::clear_got_offsets): New function.
	(Sized_relobj::section_offsets): Move here from child class.
	(Sized_relobj::do_output_section_offset): Likewise.
	(Sized_relobj::do_set_section_offset): Likewise.
	(Sized_relobj::Local_got_offsets): Likewise.
	(Sized_relobj::local_got_offsets_): Likewise.
	(Sized_relobj::section_offsets_): Likewise.
	(Sized_relobj_file): Rename Sized_relobj to this; adjust all
	references.
	(Sized_relobj_file::is_output_section_offset_invalid): Move to base
	class.
	(Sized_relobj_file::sized_relobj): New function
	(Sized_relobj_file::local_has_got_offset): Move to base class.
	(Sized_relobj_file::local_got_offset): Likewise.
	(Sized_relobj_file::set_local_got_offset): Likewise.
	(Sized_relobj_file::get_output_section_offset): Likewise.
	(Sized_relobj_file::do_for_all_local_got_entries): Likewise.
	(Sized_relobj_file::do_output_section_offset): Likewise.
	(Sized_relobj_file::do_set_section_offset): Likewise.
	(Sized_relobj_file::Local_got_offsets): Likewise.
	(Sized_relobj_file::local_got_offsets_): Likewise.
	(Sized_relobj_file::section_offsets_): Likewise.
	* output.cc (Output_reloc::Output_reloc): Adjust type of relobj
	(all constructors).
	(set_needs_dynsym_index): Convert relobj to derived class pointer.
	(Output_reloc::get_symbol_index): Likewise.
	(Output_reloc::local_section_offset): Likewise.
	(Output_reloc::get_address): Likewise.
	(Output_reloc::symbol_value): Likewise.
	(Output_data_got::reserve_slot): Move to class definition.
	(Output_data_got::reserve_local): New function.
	(Output_data_got::reserve_slot_for_global): Remove.
	(Output_data_got::reserve_global): New function.
	* output.h (Output_reloc::Output_reloc): Adjust type of relobj
	(all constructors, two instantiations).
	(Output_reloc::get_relobj): New function (two instantiations).
	(Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
	(Output_data_reloc_base::add): Convert relobj to derived class pointer.
	(Output_data_reloc::add_global): Adjust type of relobj.
	(Output_data_reloc::add_global_relative): Likewise.
	(Output_data_reloc::add_symbolless_global_addend): Likewise.
	(Output_data_reloc::add_local): Likewise.
	(Output_data_reloc::add_local_relative): Likewise.
	(Output_data_reloc::add_symbolless_local_addend): Likewise.
	(Output_data_reloc::add_local_section): Likewise.
	(Output_data_reloc::add_output_section): Likewise.
	(Output_data_reloc::add_absolute): Likewise.
	(Output_data_reloc::add_target_specific): Likewise.
	(Output_data_got::reserve_slot): Move definition here.
	(Output_data_got::reserve_local): New function.
	(Output_data_got::reserve_global): New function.
	* reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
	section_offsets_ with accessor function.
	(Sized_relobj_file::write_sections): Likewise.
	(Sized_relobj_file::do_relocate_sections): Likewise.
	* target.h (Sized_target::reserve_local_got_entry): New function.
	(Sized_target::reserve_global_got_entry): New function.
	* x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
	(Target_x86_64::reserve_global_got_entry): New function.
	(Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
 2011-05-24 21:41:10 +00:00
Cary Coutant
4829d394de * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries. 
* incremental-dump.cc (dump_incremental_inputs): Mask high-order
	bit when checking got_type.
	* incremental.cc (Sized_incremental_binary::setup_readers):
	Store symbol table and string table locations; initialize bit vector
	of file status flags.
	(Sized_incremental_binary::do_reserve_layout): Set bit flag for
	unchanged files.
	(Sized_incremental_binary::do_process_got_plt): New function.
	(Sized_incremental_binary::get_symtab_view): Use stored locations.
	(Output_section_incremental_inputs::set_final_data_size): Record
	file index for each input file.
	(Output_section_incremental_inputs::write_got_plt): Store file index
	instead of input entry offset for each GOT entry.
	* incremental.h
	(Incremental_input_entry::Incremental_input_entry): Initialize new
	data member.
	(Incremental_input_entry::set_offset): Store file index.
	(Incremental_input_entry::get_file_index): New function.
	(Incremental_input_entry::file_index_): New data member.
	(Incremental_binary::process_got_plt): New function.
	(Incremental_binary::do_process_got_plt): New function.
	(Sized_incremental_binary::Sized_incremental_binary): Initialize new
	data members.
	(Sized_incremental_binary::~Sized_incremental_binary): New destructor.
	(Sized_incremental_binary::set_file_is_unchanged): New function.
	(Sized_incremental_binary::file_is_unchanged): New function.
	(Sized_incremental_binary::do_process_got_plt): New function.
	(Sized_incremental_binary::file_status_): New data member.
	(Sized_incremental_binary::main_symtab_loc_): New data member.
	(Sized_incremental_binary::main_strtab_loc_): New data member.
	* output.cc (Output_data_got::Got_entry::write): Add case
	RESERVED_CODE.
	(Output_data_got::add_global): Call add_got_entry.
	(Output_data_got::add_global_plt): Likewise.
	(Output_data_got::add_global_with_rel): Likewise.
	(Output_data_got::add_global_with_rela): Likewise.
	(Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
	(Output_data_got::add_global_pair_with_rela): Likewise.
	(Output_data_got::add_local): Call add_got_entry.
	(Output_data_got::add_local_plt): Likewise.
	(Output_data_got::add_local_with_rel): Likewise.
	(Output_data_got::add_local_with_rela): Likewise.
	(Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
	(Output_data_got::add_local_pair_with_rela): Likewise.
	(Output_data_got::reserve_slot): New function.
	(Output_data_got::reserve_slot_for_global): New function.
	(Output_data_got::add_got_entry): New function.
	(Output_data_got::add_got_entry_pair): New function.
	(Output_section::add_output_section_data): Edit FIXME.
	* output.h
	(Output_section_data_build::Output_section_data_build): New
	constructor with size parameter.
	(Output_data_space::Output_data_space): Likewise.
	(Output_data_got::Output_data_got): Initialize new data member; new
	constructor with size parameter.
	(Output_data_got::add_constant): Call add_got_entry.
	(Output_data_got::reserve_slot): New function.
	(Output_data_got::reserve_slot_for_global): New function.
	(class Output_data_got::Got_entry): Add RESERVED_CODE.
	(Output_data_got::add_got_entry): New function.
	(Output_data_got::add_got_entry_pair): New function.
	(Output_data_got::free_list_): New data member.
	* target.h (Sized_target::init_got_plt_for_update): New function.
	(Sized_target::register_global_plt_entry): New function.
	* x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
	Initialize new data member; call init; add constructor with PLT count.
	(Output_data_plt_x86_64::init): New function.
	(Output_data_plt_x86_64::add_relocation): New function.
	(Output_data_plt_x86_64::reserve_slot): New function.
	(Output_data_plt_x86_64::free_list_): New data member.
	(Target_x86_64::init_got_plt_for_update): New function.
	(Target_x86_64::register_global_plt_entry): New function.
	(Output_data_plt_x86_64::add_entry): Allocate from free list for
	incremental updates.
	(Output_data_plt_x86_64::add_relocation): New function.
	* testsuite/object_unittest.cc (Object_test): Set default options.
 2011-05-23 23:27:11 +00:00
Cary Coutant
f0f9babffe * incremental-dump.cc (dump_incremental_inputs): Print local 
symbol info for each input file.
	* incremental.cc
	(Output_section_incremental_inputs::set_final_data_size): Add local
	symbol info to input file entries in incremental info.
	(Output_section_incremental_inputs::write_info_blocks): Likewise.
	(Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
	(Sized_incr_relobj::do_add_symbols): Cosmetic change.
	(Sized_incr_relobj::do_count_local_symbols): Replace stub with
	implementation.
	(Sized_incr_relobj::do_finalize_local_symbols): Likewise.
	(Sized_incr_relobj::do_relocate): Write the local symbols.
	(Sized_incr_dynobj::do_add_symbols): Cosmetic change.
	* incremental.h (Incremental_inputs_reader::get_symbol_offset):
	Adjust size of input file header.
	(Incremental_inputs_reader::get_local_symbol_offset): New function.
	(Incremental_inputs_reader::get_local_symbol_count): New function.
	(Incremental_inputs_reader::get_input_section): Adjust size of input
	file header.
	(Incremental_inputs_reader::get_global_symbol_reader): Likewise.
	(Sized_incr_relobj::This): New typedef.
	(Sized_incr_relobj::sym_size): New const data member.
	(Sized_incr_relobj::Local_symbol): New struct.
	(Sized_incr_relobj::do_output_local_symbol_count): New function.
	(Sized_incr_relobj::do_local_symbol_offset): New function.
	(Sized_incr_relobj::local_symbol_count_): New data member.
	(Sized_incr_relobj::output_local_dynsym_count_): New data member.
	(Sized_incr_relobj::local_symbol_index_): New data member.
	(Sized_incr_relobj::local_symbol_offset_): New data member.
	(Sized_incr_relobj::local_dynsym_offset_): New data member.
	(Sized_incr_relobj::local_symbols_): New data member.
	* object.h (Relobj::output_local_symbol_count): New function.
	(Relobj::local_symbol_offset): New function.
	(Relobj::do_output_local_symbol_count): New function.
	(Relobj::do_local_symbol_offset): New function.
	(Sized_relobj::do_output_local_symbol_count): New function.
	(Sized_relobj::do_local_symbol_offset): New function.
 2011-04-25 20:28:48 +00:00
Cary Coutant
94a3fc8b83 * incremental.cc (Sized_incremental_binary::setup_readers): Allocate 
global symbol map.
	(Sized_incremental_binary::do_apply_incremental_relocs): New function.
	(Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
	(Sized_incr_relobj::do_relocate): Remap section indices in incremental
	relocations.
	(Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
	(Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
	(Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
	* incremental.h
	(Incremental_inputs_reader::global_symbol_reader_at_offset): New
	function.
	(Incremental_binary::apply_incremental_relocs): New function.
	(Incremental_binary::do_apply_incremental_relocs): New function.
	(Sized_incremental_binary::Sized_incremental_binary): Initialize new
	data member.
	(Sized_incremental_binary::add_global_symbol): New function.
	(Sized_incremental_binary::global_symbol): New function.
	(Sized_incremental_binary::do_apply_incremental_relocs): New function.
	(Sized_incremental_binary::symbol_map_): New data member.
	* layout.cc (Layout_task_runner::run): Apply incremental relocations.
	* target.h (Sized_target::apply_relocation): New function.
	* target-reloc.h (apply_relocation): New function.
	* x86_64.cc (Target_x86_64::apply_relocation): New function.
 2011-04-22 22:39:55 +00:00
Ian Lance Taylor
11e361bc22 * incremental.cc (Sized_incr_relobj::do_add_symbols): Always 
initialize local variable v.
 2011-04-12 05:55:33 +00:00
Cary Coutant
cdc29364d1 * archive.cc (Archive::include_member): Adjust call to 
report_object.
	(Add_archive_symbols::run): Track argument serial numbers.
	(Lib_group::include_member): Likewise.
	(Add_lib_group_symbols::run): Adjust call to report_archive_begin.
	* archive.h (Incremental_archive_entry::Archive_member):
	Initialize arg_serial_.
	(Archive_member::arg_serial_): New data member.
	* dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
	(Sized_dynobj::do_add_symbols): Track symbols when doing an
	incremental link.
	(Sized_dynobj::do_for_all_local_got_entries): New function.
	* dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
	function.
	* fileread.cc (get_mtime): New function.
	* fileread.h (get_mtime): New function.
	* gold.cc (queue_initial_tasks): Check for incremental update.
	(process_incremental_input): New function.
	(queue_middle_tasks): Don't force valid target for incremental
	update.
	* incremental-dump.cc (find_input_containing_global): Adjust
	size of symbol info entry.
	(dump_incremental_inputs): Dump argument serial number and
	in_system_directory flag; bias shndx by 1; print symbol names
	when dumping per-file symbol lists; use new symbol info readers.
	* incremental.cc
	(Output_section_incremental_inputs:update_data_size): New function.
	(Sized_incremental_binary::setup_readers): Setup input readers
	for each input file; build maps for files added from libraries
	and scripts.
	(Sized_incremental_binary::check_input_args): New function.
	(Sized_incremental_binary::do_check_inputs): Build map of argument
	serial numbers to input arguments.
	(Sized_incremental_binary::do_file_has_changed): Rename
	do_file_is_unchanged to this; compare file modification times.
	(Sized_incremental_binary::do_init_layout): New function.
	(Sized_incremental_binary::do_reserve_layout): New function.
	(Sized_incremental_binary::do_get_input_reader): Remove.
	(Sized_incremental_binary::get_symtab_view): New function.
	(Incremental_checker::can_incrementally_link_output_file): Remove.
	(Incremental_inputs::report_command_line): Exclude --debug options.
	(Incremental_inputs::report_archive_begin): Add parameter; track
	argument serial numbers; don't put input file entry for archive
	before archive members.
	(Incremental_inputs::report_archive_end): Put input file entry
	for archive after archive members.
	(Incremental_inputs::report_object): Add parameter; track argument
	serial numbers and in_system_directory flag.
	(Incremental_inputs::report_script): Add parameter; track argument
	serial numbers.
	(Output_section_incremental_inputs::set_final_data_size): Adjust
	size of symbol info entry; check for forwarding symbols.
	(Output_section_incremental_inputs::write_input_files): Write
	in_system_directory flag and argument serial number.
	(Output_section_incremental_inputs::write_info_blocks): Map section
	indices between incremental info and original input file; store
	input section index for each symbol.
	(class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
	change operator() to visit().
	(class Global_got_offset_visitor): Likewise.
	(class Global_symbol_visitor_got_plt):
	(Output_section_incremental_inputs::write_got_plt): Use new visitor
	classes.
	(Sized_incr_relobj::Sized_incr_relobj): New constructor.
	(Sized_incr_relobj::do_read_symbols): New function.
	(Sized_incr_relobj::do_layout): New function.
	(Sized_incr_relobj::do_layout_deferred_sections): New function.
	(Sized_incr_relobj::do_add_symbols): New function.
	(Sized_incr_relobj::do_should_include_member): New function.
	(Sized_incr_relobj::do_for_all_global_symbols): New function.
	(Sized_incr_relobj::do_for_all_local_got_entries): New function.
	(Sized_incr_relobj::do_section_size): New function.
	(Sized_incr_relobj::do_section_name): New function.
	(Sized_incr_relobj::do_section_contents): New function.
	(Sized_incr_relobj::do_section_flags): New function.
	(Sized_incr_relobj::do_section_entsize): New function.
	(Sized_incr_relobj::do_section_address): New function.
	(Sized_incr_relobj::do_section_type): New function.
	(Sized_incr_relobj::do_section_link): New function.
	(Sized_incr_relobj::do_section_info): New function.
	(Sized_incr_relobj::do_section_addralign): New function.
	(Sized_incr_relobj::do_initialize_xindex): New function.
	(Sized_incr_relobj::do_get_global_symbol_counts): New function.
	(Sized_incr_relobj::do_read_relocs): New function.
	(Sized_incr_relobj::do_gc_process_relocs): New function.
	(Sized_incr_relobj::do_scan_relocs): New function.
	(Sized_incr_relobj::do_count_local_symbols): New function.
	(Sized_incr_relobj::do_finalize_local_symbols): New function.
	(Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
	(Sized_incr_relobj::do_set_local_dynsym_offset): New function.
	(Sized_incr_relobj::do_relocate): New function.
	(Sized_incr_relobj::do_set_section_offset): New function.
	(Sized_incr_dynobj::Sized_incr_dynobj): New function.
	(Sized_incr_dynobj::do_read_symbols): New function.
	(Sized_incr_dynobj::do_layout): New function.
	(Sized_incr_dynobj::do_add_symbols): New function.
	(Sized_incr_dynobj::do_should_include_member): New function.
	(Sized_incr_dynobj::do_for_all_global_symbols): New function.
	(Sized_incr_dynobj::do_for_all_local_got_entries): New function.
	(Sized_incr_dynobj::do_section_size): New function.
	(Sized_incr_dynobj::do_section_name): New function.
	(Sized_incr_dynobj::do_section_contents): New function.
	(Sized_incr_dynobj::do_section_flags): New function.
	(Sized_incr_dynobj::do_section_entsize): New function.
	(Sized_incr_dynobj::do_section_address): New function.
	(Sized_incr_dynobj::do_section_type): New function.
	(Sized_incr_dynobj::do_section_link): New function.
	(Sized_incr_dynobj::do_section_info): New function.
	(Sized_incr_dynobj::do_section_addralign): New function.
	(Sized_incr_dynobj::do_initialize_xindex): New function.
	(Sized_incr_dynobj::do_get_global_symbol_counts): New function.
	(make_sized_incremental_object): New function.
	(Incremental_library::copy_unused_symbols): New function.
	(Incremental_library::do_for_all_unused_symbols): New function.
	* incremental.h (enum Incremental_input_flags): New type.
	(class Incremental_checker): Remove.
	(Incremental_input_entry::Incremental_input_entry): Add argument
	serial number.
	(Incremental_input_entry::arg_serial): New function.
	(Incremental_input_entry::set_is_in_system_directory): New function.
	(Incremental_input_entry::is_in_system_directory): New function.
	(Incremental_input_entry::arg_serial_): New data member.
	(Incremental_input_entry::is_in_system_directory_): New data member.
	(class Script_info): Move here from script.h.
	(Script_info::Script_info): Add filename parameter.
	(Script_info::filename): New function.
	(Script_info::filename_): New data member.
	(Incremental_script_entry::Incremental_script_entry): Add argument
	serial number.
	(Incremental_object_entry::Incremental_object_entry): Likewise.
	(Incremental_object_entry::add_input_section): Build list of input
	sections with map to original shndx.
	(Incremental_object_entry::get_input_section_index): New function.
	(Incremental_object_entry::shndx_): New data member.
	(Incremental_object_entry::name_key_): Rename; adjust all refs.
	(Incremental_object_entry::sh_size_): Rename; adjust all refs.
	(Incremental_archive_entry::Incremental_archive_entry): Add argument
	serial number.
	(Incremental_inputs::report_archive_begin): Likewise.
	(Incremental_inputs::report_object): Likewise.
	(Incremental_inputs::report_script): Likewise.
	(class Incremental_global_symbol_reader): New class.
	(Incremental_input_entry_reader::Incremental_input_entry_reader): Read
	and store flags and input file type.
	(Incremental_input_entry_reader::arg_serial): New function.
	(Incremental_input_entry_reader::type): Extract type from flags.
	(Incremental_input_entry_reader::is_in_system_directory): New function.
	(Incremental_input_entry_reader::get_input_section_count): Call
	accessor function for type.
	(Incremental_input_entry_reader::get_symbol_offset): Call accessor
	function for type; adjust size of global symbol entry.
	(Incremental_input_entry_reader::get_global_symbol_count): Call
	accessor function for type.
	(Incremental_input_entry_reader::get_object_count): Likewise.
	(Incremental_input_entry_reader::get_object_offset): Likewise.
	(Incremental_input_entry_reader::get_member_count): Likewise.
	(Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
	(Incremental_input_entry_reader::get_member_offset): Likewise.
	(Incremental_input_entry_reader::get_unused_symbol): Likewise.
	(Incremental_input_entry_reader::Global_symbol_info): Remove.
	(Incremental_input_entry_reader::get_global_symbol_info): Remove.
	(Incremental_input_entry_reader::get_global_symbol_reader): New
	function.
	(Incremental_input_entry_reader::get_output_symbol_index): New
	function.
	(Incremental_input_entry_reader::type_): Remove.
	(Incremental_input_entry_reader::flags_): New data member.
	(Incremental_inputs_reader::input_file_offset): New function.
	(Incremental_inputs_reader::input_file_index): New function.
	(Incremental_inputs_reader::input_file): Call input_file_offset.
	(Incremental_inputs_reader::input_file_at_offset): New function.
	(Incremental_relocs_reader::get_r_type): Reformat.
	(Incremental_relocs_reader::get_r_shndx): Reformat.
	(Incremental_relocs_reader::get_r_offset): Reformat.
	(Incremental_relocs_reader::data): New function.
	(Incremental_binary::Incremental_binary): Initialize new data members.
	(Incremental_binary::check_inputs): Add cmdline parameter.
	(Incremental_binary::file_is_unchanged): Remove.
	(Input_reader::arg_serial): New function.
	(Input_reader::get_unused_symbol_count): New function.
	(Input_reader::get_unused_symbol): New function.
	(Input_reader::do_arg_serial): New function.
	(Input_reader::do_get_unused_symbol_count): New function.
	(Input_reader::do_get_unused_symbol): New function.
	(Incremental_binary::input_file_count): New function.
	(Incremental_binary::get_input_reader): Change signature to use
	index instead of filename.
	(Incremental_binary::file_has_changed): New function.
	(Incremental_binary::get_input_argument): New function.
	(Incremental_binary::get_library): New function.
	(Incremental_binary::get_script_info): New function.
	(Incremental_binary::init_layout): New function.
	(Incremental_binary::reserve_layout): New function.
	(Incremental_binary::output_file): New function.
	(Incremental_binary::do_check_inputs): New function.
	(Incremental_binary::do_file_is_unchanged): Remove.
	(Incremental_binary::do_file_has_changed): New function.
	(Incremental_binary::do_init_layout): New function.
	(Incremental_binary::do_reserve_layout): New function.
	(Incremental_binary::do_input_file_count): New function.
	(Incremental_binary::do_get_input_reader): Change signature.
	(Incremental_binary::input_args_map_): New data member.
	(Incremental_binary::library_map_): New data member.
	(Incremental_binary::script_map_): New data member.
	(Sized_incremental_binary::Sized_incremental_binary): Initialize
	new data members.
	(Sized_incremental_binary::output_section): New function.
	(Sized_incremental_binary::inputs_reader): Add const.
	(Sized_incremental_binary::symtab_reader): Add const.
	(Sized_incremental_binary::relocs_reader): Add const.
	(Sized_incremental_binary::got_plt_reader): Add const.
	(Sized_incremental_binary::get_symtab_view): New function.
	(Sized_incremental_binary::Inputs_reader): New typedef.
	(Sized_incremental_binary::Input_entry_reader): New typedef.
	(Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
	(Sized_incremental_binary::do_file_is_unchanged): Remove.
	(Sized_incremental_binary::do_file_has_changed): New function.
	(Sized_incremental_binary::do_init_layout): New function.
	(Sized_incremental_binary::do_reserve_layout): New function.
	(Sized_input_reader::Inputs_reader): Remove.
	(Sized_input_reader::Input_entry_reader): Remove.
	(Sized_input_reader::do_arg_serial): New function.
	(Sized_input_reader::do_get_unused_symbol_count): New function.
	(Sized_input_reader::do_get_unused_symbol): New function.
	(Sized_incremental_binary::do_input_file_count): New function.
	(Sized_incremental_binary::do_get_input_reader): Change signature;
	use index instead of filename.
	(Sized_incremental_binary::section_map_): New data member.
	(Sized_incremental_binary::input_entry_readers_): New data member.
	(class Sized_incr_relobj): New class.
	(class Sized_incr_dynobj): New class.
	(make_sized_incremental_object): New function.
	(class Incremental_library): New class.
	* layout.cc (Free_list::num_lists): New static data member.
	(Free_list::num_nodes): New static data member.
	(Free_list::num_removes): New static data member.
	(Free_list::num_remove_visits): New static data member.
	(Free_list::num_allocates): New static data member.
	(Free_list::num_allocate_visits): New static data member.
	(Free_list::init): New function.
	(Free_list::remove): New function.
	(Free_list::allocate): New function.
	(Free_list::dump): New function.
	(Free_list::print_stats): New function.
	(Layout_task_runner::run): Resize output file for incremental updates.
	(Layout::Layout): Initialize new data members.
	(Layout::set_incremental_base): New function.
	(Layout::init_fixed_output_section): New function.
	(Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
	incremental updates.
	(Layout::create_gold_note): Do not create gold note section for
	incremental updates.
	(Layout::set_segment_offsets): Do not recalculate RELRO alignment
	for incremental updates.
	(Layout::set_section_offsets): For incremental updates, allocate space
	from free list.
	(Layout::create_symtab_sections): Layout with offsets relative to
	start of section; for incremental updates, allocate space from free
	list.
	(Layout::create_shdrs): For incremental updates, allocate space from
	free list.
	(Layout::finish_dynamic_section): For incremental updates, do not
	check --as-needed (fixed in subsequent patch).
	* layout.h (class Free_list): New class.
	(Layout::set_incremental_base): New function.
	(Layout::incremental_base): New function.
	(Layout::init_fixed_output_section): New function.
	(Layout::allocate): New function.
	(Layout::incremental_base_): New data member.
	(Layout::free_list_): New data member.
	* main.cc (main): Print Free_list statistics.
	* object.cc (Relobj::finalize_incremental_relocs): Add
	clear_counts parameter; clear counts only when clear_counts is set.
	(Sized_relobj::Sized_relobj): Initialize new base class.
	(Sized_relobj::do_layout): Don't report special sections.
	(Sized_relobj::do_for_all_local_got_entries): New function.
	(Sized_relobj::write_local_symbols): Add symtab_off parameter; add
	symtab_off to all symbol table offsets.
	(Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
	* object.h (class Got_offset_list): Move to top of file.
	(Object::Object): Allow case where input_file == NULL.
	(Object::~Object): Likewise.
	(Object::input_file): Assert that input_file != NULL.
	(Object::lock): Allow case where input_file == NULL.
	(Object::unlock): Likewise.
	(Object::is_locked): Likewise.
	(Object::token): Likewise.
	(Object::release): Likewise.
	(Object::is_incremental): New function.
	(Object::get_mtime): New function.
	(Object::for_all_local_got_entries): New function.
	(Object::clear_view_cache_marks): Allow case where input_file == NULL.
	(Object::set_is_in_system_directory): New function.
	(Object::is_in_system_directory): New function.
	(Object::do_is_incremental): New function.
	(Object::do_get_mtime): New function.
	(Object::do_for_all_local_got_entries): New function.
	(Object::is_in_system_directory_): New data member.
	(Relobj::finalize_incremental_relocs): Add clear_counts parameter.
	(class Sized_relobj_base): New class.
	(class Sized_relobj): Derive from Sized_relobj_base.
	(class Sized_relobj::Symbols): Redeclare from base class.
	(class Sized_relobj::local_got_offset_list): Remove.
	(class Sized_relobj::Output_sections): Redeclare from base class.
	(class Sized_relobj::do_for_all_local_got_entries): New function.
	(class Sized_relobj::write_local_symbols): Add offset parameter.
	(class Sized_relobj::local_symbol_offset_): Update comment.
	(class Sized_relobj::local_dynsym_offset_): Update comment.
	* options.cc (Input_arguments::add_file): Remove const.
	* options.h (Input_file_argument::Input_file_argument):
	Initialize arg_serial_ (all constructors).
	(Input_file_argument::set_arg_serial): New function.
	(Input_file_argument::arg_serial): New function.
	(Input_file_argument::arg_serial_): New data member.
	(Input_arguments::Input_arguments): Initialize file_count_.
	(Input_arguments::add_file): Remove const.
	(Input_arguments::number_of_input_files): New function.
	(Input_arguments::file_count_): New data member.
	(Command_line::number_of_input_files): Call
	Input_arguments::number_of_input_files.
	* output.cc (Output_segment_headers::Output_segment_headers):
	Set current size.
	(Output_section::Input_section::current_data_size): New function.
	(Output_section::Output_section): Initialize new data members.
	(Output_section::add_input_section): Don't do merge sections for
	an incremental link; allocate space from free list for an
	incremental update.
	(Output_section::add_output_section_data): Allocate space from
	free list for an incremental update.
	(Output_section::update_data_size): New function.
	(Output_section::set_fixed_layout): New function.
	(Output_section::reserve): New function.
	(Output_segment::set_section_addresses): Remove const.
	(Output_segment::set_section_list_addresses): Remove const; allocate
	space from free list for an incremental update.
	(Output_segment::set_offset): Adjust size of RELRO segment for an
	incremental update.
	* output.h (Output_data::current_data_size): Move here from
	child classes.
	(Output_data::pre_finalize_data_size): New function.
	(Output_data::update_data_size): New function.
	(Output_section_headers::update_data_size): new function.
	(Output_section_data_build::current_data_size): Move to Output_data.
	(Output_data_strtab::update_data_size): New function.
	(Output_section::current_data_size): Move to Output_data.
	(Output_section::set_fixed_layout): New function.
	(Output_section::has_fixed_layout): New function.
	(Output_section::reserve): New function.
	(Output_section::update_data_size): New function.
	(Output_section::has_fixed_layout_): New data member.
	(Output_section::free_list_): New data member.
	(Output_segment::set_section_addresses): Remove const.
	(Output_segment::set_section_list_addresses): Remove const.
	* plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
	New function.
	* plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
	New function.
	* readsyms.cc (Read_symbols::do_read_symbols): Add library
	parameter when calling Add_symbols constructor; store argument
	serial number for members of a lib group.
	(Add_symbols::locks): Allow case where token == NULL.
	(Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
	(Read_member::~Read_member): New function.
	(Read_member::is_runnable): New function.
	(Read_member::locks): New function.
	(Read_member::run): New function.
	(Check_script::~Check_script): New function.
	(Check_script::is_runnable): New function.
	(Check_script::locks): New function.
	(Check_script::run): New function.
	(Check_library::~Check_library): New function.
	(Check_library::is_runnable): New function.
	(Check_library::locks): New function.
	(Check_library::run): New function.
	* readsyms.h (Add_symbols::Add_symbols): Add library parameter.
	(Add_symbols::library_): New data member.
	(class Read_member): New class.
	(class Check_script): New class.
	(class Check_library): New class.
	* reloc.cc (Read_relocs::is_runnable): Allow case where
	token == NULL.
	(Read_relocs::locks): Likewise.
	(Scan_relocs::locks): Likewise.
	(Relocate_task::locks): Likewise.
	(Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
	to clear counters.
	(Sized_relobj::incremental_relocs_scan): Fix comment.
	(Sized_relobj::do_relocate): Pass output file offset to
	write_local_symbols.
	(Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
	from class declaration.
	* script.cc (read_input_script): Allocate Script_info; pass
	argument serial number to report_script.
	* script.h (class Script_info): Move to incremental.h.
	* symtab.cc (Symbol_table::add_from_incrobj): New function.
	* symtab.h (Symbol_table::add_from_incrobj): New function.
	(Symbol_table::set_file_offset): New function.
 2011-04-12 00:44:48 +00:00
Cary Coutant
b961d0d7b6 * incremental-dump.cc (dump_incremental_inputs): Change signature 
to take a Sized_incremental_binary; change caller.  Use readers
	in Sized_incremental_binary.
	* incremental.cc
	(Sized_incremental_binary::find_incremental_inputs_sections):
	Rename do_find_incremental_inputs_sections to this.
	(Sized_incremental_binary::setup_readers): New function.
	(Sized_incremental_binary::do_check_inputs): Check
	has_incremental_info_ flag; move setup code to setup_readers;
	use input readers.
	(Sized_incremental_binary::do_file_is_unchanged): New function.
	(Sized_incremental_binary::do_get_input_reader): New function.
	* incremental.h (class Incremental_binary): Move to end of file.
	(Incremental_binary::file_is_unchanged): New function.
	(Incremental_binary::do_file_is_unchanged): New function.
	(Incremental_binary::Input_reader): New class.
	(Incremental_binary::get_input_reader): New function.
	(class Sized_incremental_binary): Move to end of file.
	(Sized_incremental_binary::Sized_incremental_binary): Setup the
	input section reader classes.
	(Sized_incremental_binary::has_incremental_info): New function.
	(Sized_incremental_binary::inputs_reader): New function.
	(Sized_incremental_binary::symtab_reader): New function.
	(Sized_incremental_binary::relocs_reader): New function.
	(Sized_incremental_binary::got_plt_reader): New function.
	(Sized_incremental_binary::do_file_is_unchanged): New function.
	(Sized_incremental_binary::Sized_input_reader): New class.
	(Sized_incremental_binary::get_input_reader): New function.
	(Sized_incremental_binary::find_incremental_inputs_sections):
	Rename do_find_incremental_inputs_sections to this.
	(Sized_incremental_binary::setup_readers): New function.
	(Sized_incremental_binary::has_incremental_info_): New data member.
	(Sized_incremental_binary::inputs_reader_): New data member.
	(Sized_incremental_binary::symtab_reader_): New data member.
	(Sized_incremental_binary::relocs_reader_): New data member.
	(Sized_incremental_binary::got_plt_reader_): New data member.
	(Sized_incremental_binary::current_input_file_): New data member.
 2011-04-05 20:16:17 +00:00
Cary Coutant
c7975edd9e * archive.cc (Archive::include_member): Adjust call to report_object. 
(Add_archive_symbols::run): Add script_info to call to
	report_archive_begin.
	(Lib_group::include_member): Adjust call to report_object.
	(Add_lib_group_symbols::run): Adjust call to report_object.
	* incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
	blocks.  Add object count for script input files.
	* incremental.cc (Incremental_inputs::report_archive_begin): Add
	script_info parameter; change all callers.
	(Incremental_inputs::report_object): Add script_info parameter;
	change all callers.
	(Incremental_inputs::report_script): Store backpointer to
	incremental info entry.
	(Output_section_incremental_inputs::set_final_data_size): Record
	additional information for scripts.
	(Output_section_incremental_inputs::write_info_blocks): Likewise.
	* incremental.h (Incremental_script_entry::add_object): New function.
	(Incremental_script_entry::get_object_count): New function.
	(Incremental_script_entry::get_object): New function.
	(Incremental_script_entry::objects_): New data member; adjust
	constructor.
	(Incremental_inputs::report_archive_begin): Add script_info parameter.
	(Incremental_inputs::report_object): Add script_info parameter.
	(Incremental_inputs_reader::get_object_count): New function.
	(Incremental_inputs_reader::get_object_offset): New function.
	* options.cc (Input_arguments::add_file): Return reference to
	new input argument.
	* options.h (Input_argument::set_script_info): New function.
	(Input_argument::script_info): New function.
	(Input_argument::script_info_): New data member; adjust all
	constructors.
	(Input_file_group::add_file): Return reference to new input argument.
	(Input_file_lib::add_file): Likewise.
	(Input_arguments::add_file): Likewise.
	* readsyms.cc (Add_symbols::run): Adjust call to report_object.
	* script.cc (Parser_closure::Parser_closure): Add script_info
	parameter; adjust all callers.
	(Parser_closure::script_info): New function.
	(Parser_closure::script_info_): New data member.
	(read_input_script): Report scripts earlier to incremental info.
	(script_add_file): Set script_info in Input_argument.
	(script_add_library): Likewise.
	* script.h (Script_options::Script_info): Rewrite class.
 2011-03-30 21:07:13 +00:00
Cary Coutant
e0c5278066 * archive.cc (Library_base::should_include_member): Move 
method here from class Archive.
	(Archive::Archive): Initialize base class.
	(Archive::should_include_member): Move to base class.
	(Archive::do_for_all_unused_symbols): New function.
	(Add_archive_symbols::run): Remove redundant access to
	incremental_inputs.
	(Lib_group::Lib_group): Initialize base class.
	(Lib_group::do_filename): New function.
	(Lib_group::include_member): Pass pointer to Lib_group to
	report_object.
	(Lib_group::do_for_all_unused_symbols): New function.
	(Add_lib_group_symbols::run): Report archive information for
	incremental links.
	* archive.h (class Library_base): New base class.
	(class Archive): Derive from Library_base.
	(Archive::filename): Move to base class.
	(Archive::set_incremental_info): Likewise.
	(Archive::incremental_info): Likewise.
	(Archive::Should_include): Likewise.
	(Archive::should_include_member): Likewise.
	(Archive::Armap_entry): Remove.
	(Archive::Unused_symbol_iterator): Remove.
	(Archive::unused_symbols_begin): Remove.
	(Archive::unused_symbols_end): Remove.
	(Archive::do_filename): New function.
	(Archive::do_get_mtime): New function.
	(Archive::do_for_all_unused_symbols): New function.
	(Archive::task_): Move to base class.
	(Archive::incremental_info_): Likewise.
	(class Lib_group): Derive from Library_base.
	(Lib_group::do_filename): New function.
	(Lib_group::do_get_mtime): New function.
	(Lib_group::do_for_all_unused_symbols): New function.
	(Lib_group::task_): Move to base class.
	* dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
	function.
	* dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
	function.
	* incremental.cc (Incremental_inputs::report_archive_begin):
	Use Library_base; call library's get_mtime; add incremental inputs
	entry before members.
	(class Unused_symbol_visitor): New class.
	(Incremental_inputs::report_archive_end): Use Library_base; use
	visitor class to record unused symbols; don't add incremental inputs
	entry after members.
	(Incremental_inputs::report_object): Use Library_base.
	* incremental.h
	(Incremental_archive_entry::Incremental_archive_entry): Remove
	unused Archive parameter.
	(Incremental_inputs::report_archive_begin): Use Library_base.
	(Incremental_inputs::report_archive_end): Likewise.
	(Incremental_inputs::report_object): Likewise.
	* object.cc (Sized_relobj::do_for_all_global_symbols): New
	function.
	* object.h (Object::for_all_global_symbols): New function.
	(Object::do_for_all_global_symbols): New function.
	(Sized_relobj::do_for_all_global_symbols): New function.
	* plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
	function.
	* plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
	function.
 2011-03-30 01:31:57 +00:00
Cary Coutant
8c21d9d382 * debug.h (DEBUG_INCREMENTAL): New flag. 
(debug_string_to_enum): Add DEBUG_INCREMENTAL).
	* gold.cc (queue_initial_tasks): Check parameters for incremental link
	mode.
	* incremental.cc (report_command_line): Ignore all forms of
	--incremental.
	* layout.cc (Layout::Layout): Check parameters for incremental link
	mode.
	* options.cc (General_options::parse_incremental): New function.
	(General_options::parse_no_incremental): New function.
	(General_options::parse_incremental_full): New function.
	(General_options::parse_incremental_update): New function.
	(General_options::incremental_mode_): New data member.
	(General_options::finalize): Check incremental_mode_.
	* options.h (General_options): Update help text for --incremental.
	Add --no-incremental, --incremental-full, --incremental-update.
	(General_options::Incremental_mode): New enum type.
	(General_options::incremental_mode): New function.
	(General_options::incremental_mode_): New data member.
	* parameters.cc (Parameters::incremental_mode_): New data member.
	(Parameters::set_options): Set incremental_mode_.
	(Parameters::set_incremental_full): New function.
	(Parameters::incremental): New function.
	(Parameters::incremental_update): New function.
	(set_parameters_incremental_full): New function.
	* parameters.h (Parameters::set_incremental_full): New function.
	(Parameters::incremental): New function.
	(Parameters::incremental_update): New function.
	(Parameters::incremental_mode_): New data member.
	(set_parameters_incremental_full): New function.
	* plugin.cc (Plugin_manager::add_input_file): Check parameters for
	incremental link mode.
	* reloc.cc (Sized_relobj::do_read_relocs): Likewise.
	(Sized_relobj::do_relocate_sections): Likewise.
	* testsuite/Makefile.am (incremental_test): Use --incremental-full
	option.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/incremental_test.sh: Filter all forms of --incremental.
 2010-10-14 22:10:22 +00:00
Cary Coutant
793990de53 * incremental.cc (Output_section_incremental_inputs::write_info_blocks): 
Resolve forwarding symbols.
 2010-09-15 18:10:31 +00:00
Nick Clifton
ca09d69af1 * archive.cc: Formatting fixes: Remove whitespace between 
typename and following asterisk.  Remove whitespace between
        function name and opening parenthesis.
        * archive.h: Likewise.
        * arm.cc: Likewise.
        * attributes.cc: Likewise.
        * attributes.h: Likewise.
        * common.cc: Likewise.
        * copy-relocs.cc: Likewise.
        * dirsearch.h: Likewise.
        * dynobj.cc: Likewise.
        * ehframe.cc: Likewise.
        * ehframe.h: Likewise.
        * expression.cc: Likewise.
        * fileread.cc: Likewise.
        * fileread.h: Likewise.
        * gc.h: Likewise.
        * gold-threads.cc: Likewise.
        * gold.cc: Likewise.
        * i386.cc: Likewise.
        * icf.h: Likewise.
        * incremental-dump.cc: Likewise.
        * incremental.cc: Likewise.
        * layout.cc: Likewise.
        * layout.h: Likewise.
        * main.cc: Likewise.
        * merge.cc: Likewise.
        * merge.h: Likewise.
        * object.cc: Likewise.
        * object.h: Likewise.
        * options.cc: Likewise.
        * options.h: Likewise.
        * output.cc: Likewise.
        * output.h: Likewise.
        * plugin.cc: Likewise.
        * plugin.h: Likewise.
        * powerpc.cc: Likewise.
        * reloc.cc: Likewise.
        * script-c.h: Likewise.
        * script-sections.cc: Likewise.
        * script.cc: Likewise.
        * stringpool.cc: Likewise.
        * symtab.cc: Likewise.
        * symtab.h: Likewise.
        * target.cc: Likewise.
        * timer.cc: Likewise.
        * timer.h: Likewise.
        * version.cc: Likewise.
        * x86_64.cc: Likewise.
 2010-08-25 08:36:54 +00:00
Ian Lance Taylor
56f75c03fc * incremental.cc 
(Output_section_incremental_inputs::write_input_files): Add cast
	to avoid signed/unsigned comparison warning.
	(Output_section_incremental_inputs::write_info_blocks): Likewise.
 2010-08-19 00:02:18 +00:00
Cary Coutant
0e70b9111a elfcpp/ChangeLog: 
* elfcpp.h (enum SHT): Add SHT_GNU_INCREMENTAL_GOT_PLT.

gold/ChangeLog:

	* arm.cc (Target_arm::got_size): Add const.
	(Target_arm::got_entry_count): New function.
	(Target_arm::plt_entry_count): New function.
	(Target_arm::first_plt_entry_offset): New function.
	(Target_arm::plt_entry_size): New function.
	(Output_data_plt_arm::entry_count): New function.
	(Output_data_plt_arm::first_plt_entry_offset): New function.
	(Output_data_plt_arm::get_plt_entry_size): New function.
	* i386.cc (Target_i386::got_size): Add const.
	(Target_i386::got_entry_count): New function.
	(Target_i386::plt_entry_count): New function.
	(Target_i386::first_plt_entry_offset): New function.
	(Target_i386::plt_entry_size): New function.
	(Output_data_plt_i386::entry_count): New function.
	(Output_data_plt_i386::first_plt_entry_offset): New function.
	(Output_data_plt_i386::get_plt_entry_size): New function.
	* incremental-dump.cc (dump_incremental_inputs): Adjust call to
	find_incremental_inputs_sections.  Dump incremental_got_plt section.
	* incremental.cc: Include target.h.
	(Sized_incremental_binary::do_find_incremental_inputs_sections): Add
	parameter.  Adjust all callers.  Find incremental_got_plt section.
	(Incremental_inputs::create_data_sections): Create incremental_got_plt
	section.
	(Output_section_incremental_inputs::set_final_data_size): Calculate
	size of incremental_got_plt section.
	(Output_section_incremental_inputs::do_write): Write the
	incremental_got_plt section.
	(Got_plt_view_info): New struct.
	(Local_got_offset_visitor): New class.
	(Global_got_offset_visitor): New class.
	(Global_symbol_visitor_got_plt): New class.
	(Output_section_incremental_inputs::write_got_plt): New function.
	* incremental.h (Incremental_binary::find_incremental_inputs_sections):
	Add parameter.  Adjust all callers.
	(Incremental_binary::do_find_incremental_inputs_sections): Likewise.
	(Incremental_inputs::got_plt_section): New function.
	(Incremental_inputs::got_plt_section_): New data member.
	(Incremental_got_plt_reader): New class.
	* layout.cc (Layout::create_incremental_info_sections): Add the
	incremental_got_plt section.
	* object.h (Got_offset_list::get_list): New function.
	(Got offset_list::for_all_got_offsets): New function.
	(Sized_relobj::local_got_offset_list): New function.
	* powerpc.cc (Target_powerpc::got_size): Add const.
	(Target_powerpc::got_entry_count): New function.
	(Target_powerpc::plt_entry_count): New function.
	(Target_powerpc::first_plt_entry_offset): New function.
	(Target_powerpc::plt_entry_size): New function.
	(Output_data_plt_powerpc::entry_count): New function.
	(Output_data_plt_powerpc::first_plt_entry_offset): New function.
	(Output_data_plt_powerpc::get_plt_entry_size): New function.
	* sparc.cc (Target_sparc::got_size): Add const.
	(Target_sparc::got_entry_count): New function.
	(Target_sparc::plt_entry_count): New function.
	(Target_sparc::first_plt_entry_offset): New function.
	(Target_sparc::plt_entry_size): New function.
	(Output_data_plt_sparc::entry_count): New function.
	(Output_data_plt_sparc::first_plt_entry_offset): New function.
	(Output_data_plt_sparc::get_plt_entry_size): New function.
	* symtab.h (Symbol::got_offset_list): New function.
	(Symbol_table::for_all_symbols): New function.
	* target.h (Sized_target::got_entry_count): New function.
	(Sized_target::plt_entry_count): New function.
	(Sized_target::plt_entry_size): New function.
	* x86_64.cc (Target_x86_64::got_size): Add const.
	(Target_x86_64::got_entry_count): New function.
	(Target_x86_64::plt_entry_count): New function.
	(Target_x86_64::first_plt_entry_offset): New function.
	(Target_x86_64::plt_entry_size): New function.
	(Output_data_plt_x86_64::entry_count): New function.
	(Output_data_plt_x86_64::first_plt_entry_offset): New function.
	(Output_data_plt_x86_64::get_plt_entry_size): New function.
 2010-08-12 22:15:00 +00:00
Cary Coutant
09ec0418c0 elfcpp/ChangeLog: 
* elfcpp.h (enum SHT): Add SHT_GNU_INCREMENTAL_SYMTAB,
	SHT_GNU_INCREMENTAL_RELOCS.

gold/ChangeLog:

	* archive.cc: Include incremental.h.
	(Archive::Archive): Initialize incremental_info_.
	(Archive::include_member): Record archive members in incremental info.
	(Add_archive_symbols::run): Record begin and end of an archive in
	incremental info.
	(Lib_group::include_member): Record objects in incremental info.
	* archive.h (Incremental_archive_entry): Forward declaration.
	(Archive::set_incremental_info): New member function.
	(Archive::incremental_info): New member function.
	(Archive::Unused_symbol_iterator): New class.
	(Archive::unused_symbols_begin): New member function.
	(Archive::unused_symbols_end): New member function.
	(Archive::incremental_info_): New data member.
	* incremental-dump.cc (find_input_containing_global): New function.
	(dump_incremental_inputs): Dump new incremental info sections.
	* incremental.cc: Include symtab.h.
	(Output_section_incremental_inputs): New class.
	(Sized_incremental_binary::do_find_incremental_inputs_sections): Support
	new incremental info sections.
	(Sized_incremental_binary::do_check_inputs): Likewise.
	(Incremental_inputs::report_archive): Remove.
	(Incremental_inputs::report_archive_begin): New function.
	(Incremental_inputs::report_archive_end): New function.
	(Incremental_inputs::report_object): New function.
	(Incremental_inputs::finalize_inputs): Remove.
	(Incremental_inputs::report_input_section): New function.
	(Incremental_inputs::report_script): Rewrite.
	(Incremental_inputs::finalize): Do nothing but finalize string table.
	(Incremental_inputs::create_incremental_inputs_section_data): Remove.
	(Incremental_inputs::sized_create_inputs_section_data): Remove.
	(Incremental_inputs::create_data_sections): New function.
	(Incremental_inputs::relocs_entsize): New function.
	(Output_section_incremental_inputs::set_final_data_size): New function.
	(Output_section_incremental_inputs::do_write): New function.
	(Output_section_incremental_inputs::write_header): New function.
	(Output_section_incremental_inputs::write_input_files): New function.
	(Output_section_incremental_inputs::write_info_blocks): New function.
	(Output_section_incremental_inputs::write_symtab): New function.
	* incremental.h (Incremental_script_entry): Forward declaration.
	(Incremental_object_entry): Forward declaration.
	(Incremental_archive_entry): Forward declaration.
	(Incremental_inputs): Forward declaration.
	(Incremental_inputs_header_data): Remove.
	(Incremental_inputs_header): Remove.
	(Incremental_inputs_header_write): Remove.
	(Incremental_inputs_entry_data): Remove.
	(Incremental_inputs_entry): Remove.
	(Incremental_inputs_entry_write): Remove.
	(enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
	(Incremental_binary::find_incremental_inputs_sections): Add parameters.
	(Incremental_binary::do_find_incremental_inputs_sections): Likewise.
	(Sized_ncremental_binary::do_find_incremental_inputs_sections):
	Likewise.
	(Incremental_input_entry): New class.
	(Incremental_script_entry): New class.
	(Incremental_object_entry): New class.
	(Incremental_archive_entry): New class.
	(Incremental_inputs::Incremental_inputs): Initialize new data members.
	(Incremental_inputs::report_inputs): Remove.
	(Incremental_inputs::report_archive): Remove.
	(Incremental_inputs::report_archive_begin): New function.
	(Incremental_inputs::report_archive_end): New function.
	(Incremental_inputs::report_object): Change prototype.
	(Incremental_inputs::report_input_section): New function.
	(Incremental_inputs::report_script): Change prototype.
	(Incremental_inputs::get_reloc_count): New function.
	(Incremental_inputs::set_reloc_count): New function.
	(Incremental_inputs::create_data_sections): New function.
	(Incremental_inputs::create_incremental_inputs_section_data): Remove.
	(Incremental_inputs::inputs_section): New function.
	(Incremental_inputs::symtab_section): New function.
	(Incremental_inputs::relocs_section): New function.
	(Incremental_inputs::get_stringpool): Add const.
	(Incremental_inputs::command_line): Add const.
	(Incremental_inputs::inputs): Remove.
	(Incremental_inputs::command_line_key): New function.
	(Incremental_inputs::input_file_count): New function.
	(Incremental_inputs::input_files): New function.
	(Incremental_inputs::relocs_entsize): New function.
	(Incremental_inputs::sized_create_inputs_section_data): Remove.
	(Incremental_inputs::finalize_inputs): Remove.
	(Incremental_inputs::Input_info): Remove.
	(Incremental_inputs::lock_): Remove.
	(Incremental_inputs::inputs_): Change type.
	(Incremental_inputs::inputs_map_): Remove.
	(Incremental_inputs::current_object_entry_): New data member.
	(Incremental_inputs::inputs_section_): New data member.
	(Incremental_inputs::symtab_section_): New data member.
	(Incremental_inputs::relocs_section_): New data member.
	(Incremental_inputs::reloc_count_): New data member.
	(Incremental_inputs_reader): New class.
	(Incremental_symtab_reader): New class.
	(Incremental_relocs_reader): New class.
	* layout.cc (Layout::finalize): Move finalization of incremental info
	and creation of incremental info sections to follow finalization of
	symbol table.  Set offsets for postprocessing sections.
	(Layout::create_incremental_info_sections): Call
	Incremental_inputs::create_data_sections.  Add incremental symtab
	and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
	sections to layout after input sections.
	* layout.h (struct Timespec): Forward declaration.
	(Layout::incremental_inputs): Add const.
	(Layout::create_incremental_info_sections): Add parameter.
	* main.cc (main): Remove call to Incremental_inputs::report_inputs.
	* object.cc: Include incremental.h.
	(Relobj::finalize_incremental_relocs): New function.
	(Sized_relobj::do_layout): Record input sections in incremental info.
	* object.h (Object::output_section): New function.
	(Object::output_section_offset): Moved from Relobj.
	(Object::get_incremental_reloc_base): New function.
	(Object::get_incremental_reloc_count): New function.
	(Object::do_output_section): New function.
	(Object::do_output_section_offset): Moved from Relobj.
	(Object::do_get_incremental_reloc_base): New function.
	(Object::do_get_incremental_reloc_count): New function.
	(Object::Object): Initialize new data members.
	(Relobj::output_section): Renamed do_output_section and moved to
	protected.
	(Relobj::output_section_offset): Moved to Object.
	(Relobj::do_get_incremental_reloc_base): New function.
	(Relobj::do_get_incremental_reloc_count): New function.
	(Relobj::allocate_incremental_reloc_counts): New function.
	(Relobj::count_incremental_reloc): New function.
	(Relobj::finalize_incremental_relocs): New function.
	(Relobj::next_incremental_reloc_index): New function.
	(Relobj::reloc_counts_): New data member.
	(Relobj::reloc_bases_): New data member.
	(Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
	(Sized_relobj::relocate_sections): Add parameter.  Change all callers.
	(Sized_relobj::incremental_relocs_scan): New function.
	(Sized_relobj::incremental_relocs_scan_reltype): New function.
	(Sized_relobj::incremental_relocs_write): New function.
	(Sized_relobj::incremental_relocs_write_reltype): New function.
	* plugin.cc (Plugin_manager::add_input_file): Rewrite test for
	incremental link.
	* readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
	archives and object files elsewhere.
	(Add_symbols::run): Report object files here.
	(Finish_group::run): Report end of archive at end of group.
	* reloc.cc: Include layout.h, incremental.h.
	(Sized_relobj::do_read_relocs): Need relocations for incremental link.
	(Sized_relobj::do_scan_relocs): Record relocations for incremental link.
	(Sized_relobj::incremental_relocs_scan): New function.
	(Sized_relobj::incremental_relocs_scan_reltype): New function.
	(Sized_relobj::do_relocate_sections): Write incremental relocations.
	(Sized_relobj::incremental_relocs_write): New function.
	(Sized_relobj::incremental_relocs_write_reltype): New function.
	* script.cc (read_input_script): Rewrite test for incremental link.
	Change call to Incremental_inputs::report_script.
	* symtab.h (Symbol_table::first_global_index): New function.
	(Symbol_table::output_count): New function.
 2010-08-12 22:01:11 +00:00
Ian Lance Taylor
a81ee015bc * incremental.cc: Include "libiberty.h". 2010-03-05 22:04:48 +00:00
Rafael Ávila de Espíndola
28e67f5d75 2009-12-04 Rafael Avila de Espindola <espindola@google.com> 
* incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
	Don't set the data_offset twice.
 2009-12-04 18:18:18 +00:00
Rafael Ávila de Espíndola
ca55d848d8 2009-12-03 Rafael Avila de Espindola <espindola@google.com> 
* incremental.cc (Incremental_inputs_header)
	(Incremental_inputs_header_write, Incremental_inputs_entry)
	(Incremental_inputs_entry_write): Move ...
	* incremental.h (Incremental_inputs_header)
	(Incremental_inputs_header_write, Incremental_inputs_entry)
	(Incremental_inputs_entry_write): here.
 2009-12-03 15:43:01 +00:00
Rafael Ávila de Espíndola
3aec4f9c2f 2009-12-02 Rafael Avila de Espindola <espindola@google.com> 
* incremental.cc (make_sized_incremental_binary): Set the target.
	Error if it is incompatible.
	* output.h (Output_file): Add filename method.
 2009-12-03 04:26:01 +00:00
Rafael Ávila de Espíndola
9c0ae74d4f 2009-12-02 Rafael Avila de Espindola <espindola@google.com> 
* incremental.cc (Incremental_inputs_entry): Remove unused argument
       from the get_* methods.
 2009-12-02 18:14:22 +00:00
Rafael Ávila de Espíndola
a45500ae37 2009-12-02 Rafael Avila de Espindola <espindola@google.com> 
* incremental-dump.cc (main): Check that the offeset of a script is 0.
	* incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
	Write 0 for the data_offset of scripts.
 2009-12-02 16:27:15 +00:00
Rafael Ávila de Espíndola
e2b8f3c401 2009-11-24 Rafael Avila de Espindola <espindola@google.com> 
* Makefile.am: Build incremental-dump
	* Makefile.in: Regenerate.
	* incremental-dump.cc: New.
	* incremental.cc (Incremental_inputs_header_data,
	Incremental_inputs_entry_data): Move to incremental.h
	* incremental.h: (Incremental_inputs_header_data,
	Incremental_inputs_entry_data): Move from incremental.cc

2009-11-24  Rafael Avila de Espindola  <espindola@google.com>

	* elfcpp_file.h: Include elfcpp.h.
 2009-11-25 00:10:05 +00:00
Rafael Ávila de Espíndola
bcba9aec3f 2009-11-24 Rafael Avila de Espindola <espindola@google.com> 
* incremental.cc (Incremental_inputs_header,
	Incremental_inputs_header_write, Incremental_inputs_entry,
	Incremental_inputs_entry_write): Add a typedef with the data type.
 2009-11-24 22:50:44 +00:00
Rafael Ávila de Espíndola
7c3afe08c7 2009-11-24 Rafael Avila de Espindola <espindola@google.com> 
* incremental.cc (Incremental_inputs_header,
	Incremental_inputs_header_write, Incremental_inputs_entry,
	Incremental_inputs_entry_write): Update comment about which
	type has the filed descriptions.
 2009-11-24 20:18:17 +00:00
Doug Kwan
ac33a407ac 2009-11-10 Doug Kwan <dougkwan@google.com> 
* i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
	a format warning.
	* incremental.cc (open_incremental_binary): Initialized local
	variables to avoid warnings.
	* object.cc (make_elf_object): Ditto.
	* x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
	a format warning.
 2009-11-09 23:07:30 +00:00
Ian Lance Taylor
c4aa1e2d74 elfcpp/: 
* elf_file.h: (class Elf_strtab): New class.
gold/:
	* gold.cc: (queue_initial_tasks): Pass incremental_inputs to
	Incremental_checker.
	* incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
	unsigned int.
	(class Incremental_inputs_header): New class.
	(Incremental_inputs_header_writer): Edit comment.
	(Incremental_inputs_entry): New class.
	(Incremental_inputs_entry_writer): Edit comment.
	(Sized_incremental_binary::do_find_incremental_inputs_section):
	Add *strtab_shndx parameter, fill it.
	(Sized_incremental_binary::do_check_inputs): New method.
	(Incremental_checker::can_incrementally_link_output_file): Use
	Sized_incremental_binary::check_inputs.
	(Incremental_inputs::report_command_line): Save command line in
	command_line_.
	* incremental.h:
	(Incremental_binary::find_incremental_inputs_section): New
	method.
	(Incremental_binary::do_find_incremental_inputs_section): Add
	strtab_shndx parameter.
	(Incremental_binary::do_check_inputs): New pure virtual method.
	(Sized_incremental_binary::do_check_inputs): Declare.
	(Incremental_checker::Incremental_checker): Add incremental_inputs
	parameter, use it to initialize incremental_inputs_.
	(Incremental_checker::incremental_inputs_): New field.
	(Incremental_checker::command_line): New method.
	(Incremental_checker::inputs): New method.
	(Incremental_checker::command_line_): New field.
 2009-10-09 22:38:07 +00:00
Ian Lance Taylor
c549a6949c elfcpp/: 
* elfcpp_file.h: Fix header guard.  Include <cstdio>.
	(class Elf_recognizer): New class, code from gold/object.cc.
	(Elf_file::find_section_by_type): New method.
gold/:
	* incremental.cc: Include <cstdarg> and "target-select.h".
	(vexplain_no_incremental): New function.
	(explain_no_incremental): New function.
	(Incremental_binary::error): New method.
	(Sized_incremental_binary::do_find_incremental_inputs_section): New
	method.
	(make_sized_incremental_binary): New function.
	(open_incremental_binary): New function.
	(can_incrementally_link_file): Add checks if output is ELF and has
	inputs section.
	* incremental.h: Include "elfcpp_file.h" and "output.h".
	(Incremental_binary): New class.
	(Sized_incremental_binary): New class.
	(open_incremental_binary): Declare.
	* object.cc (is_elf_object): Use
	elfcpp::Elf_recognizer::is_elf_file.
	(make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
	* output.h (Output_file::filesize): New method.
 2009-10-09 16:40:51 +00:00