Commit Graph

106 Commits

Author SHA1 Message Date
Doug Kwan 5c3885291f 2010-05-26 Doug Kwan <dougkwan@google.com>
* arm.cc (Arm_scan_relocatable_relocs): New class.
	(Target_arm::relocate_special_relocatable): New method.
	(Arm_relocate_functions::arm_branch_common): Handle relocatable link.
	(Arm_relocate_functions::thumb_branch_common): Same.
	(Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
	instead of Default_scan_relocatable_relocs.
	* target-reloc.h (relocate_for_relocatable): Let target handle
	relocation strategy Relocatable_relocs::RELOC_SPECIAL.
	* target.h (Sized_target::relocate_special_relocatable): New method.
2010-05-26 03:33:59 +00:00
Doug Kwan 0439c7962a 2010-05-23 Doug Kwan <dougkwan@google.com>
* arm.cc (Arm_input_section::do_output_offset): Use convert_types
	instead of a cast.
	(Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
	with a direct branch, not a conditional branch, to a stub.
	* merge.cc (Output_merge_base::record_input_section): New method
	defintion.
	(Output_merge_data::do_add_input_section): Record input section if
	keeps-input-sections flag is set.
	(Output_merge_string::do_add_input_section): Ditto.
	* merge.h (Output_merge_base::Output_merge_base): Initialize new data
	members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
	INPUT_SECTIONS_.
	(Output_merge_base::keeps_input_sections,
	Output_merge_base::set_keeps_input_sections,
	Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
	method definitions.
	(Output_merge_base::Input_sections): New type declaration.
	(Output_merge_base::input_sections_begin,
	Output_merge_base::input_sections_end,
	Output_merge_base::do_set_keeps_input_sections): New method definitions.
	(Output_merge_base::bool keeps_input_sections_,
	Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
	Output_merge_base::input_sections_): New data members.
	(Output_merge_data::do_set_keeps_input_sections): New method
	defintion.
	(Output_merge_string::do_set_keeps_input_sections): Ditto.
	* output.cc (Output_section::Input_section::relobj): Move method
	defintion from class declaration to here and handle merge sections.
	(Output_section::Input_section::shndx): Ditto.
	(Output_section::Output_section): Remove initializations of removed
	data members and initialize new data member LOOKUP_MAPS_.
	(Output_section::add_input_section): Set keeps-input-sections flag
	for a newly created merge output section as appropriate.  Adjust code
	to use Output_section_lookup_maps class.
	(Output_section::add_relaxed_input_section): Adjst code for lookup
	maps code refactoring.
 	(Output_section::add_merge_input_section): Add a new parameter
	KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
	class.  If adding input section to a newly created merge output
	section fails, remove the new merge section.
	(Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
	Adjust code for use of the Output_section_lookup_maps class.
 	(Output_section::find_merge_section): Ditto.
	(Output_section::build_lookup_maps): New method defintion.
 	(Output_section::find_relaxed_input_section): Adjust code to use
	Output_section_lookup_maps class.
	(Output_section::get_input_sections): Export merge sections.  Adjust
	code to use Output_section_lookup_maps class.
	(Output_section:::add_script_input_section): Adjust code to use
	Output_section_lookup_maps class.  Update lookup maps for merge
	sections also.
	(Output_section::discard_states): Use Output_section_lookup_maps.
	(Output_section::restore_states): Same.
	* output.h (Merge_section_properties): Move class defintion out of
	Output_section.
	(Output_section_lookup_maps): New class.
	(Output_section::Input_section::is_merge_section): New method
	defintion.
	(Output_section::Input_section::relobj): Move defintion out of class
	defintion.  Declare method only.
	(Output_section::Input_section::shndx): Ditto.
	(Output_section::Input_section::output_merge_base): New method defintion.
     	(Output_section::Input_section::u2_.pomb): New union field.
	(Output_section::Merge_section_by_properties_map,
	Output_section::Output_section_data_by_input_section_map,
	Output_section::Ouptut_relaxed_input_section_by_input_section_map):
	Remove types.
   	(Output_section::add_merge_input_section): Add new parameter
	KEEPS_INPUT_SECTIONS.
	(Output_section::build_lookup_maps): New method declaration.
	(Output_section::merge_section_map_,
	Output_section::merge_section_by_properties_map_,
	Output_section::relaxed_input_section_map_,
	Output_section::is_relaxed_input_section_map_valid_): Remove data
	members.
	(Output_section::lookup_maps_): New data member.
2010-05-23 07:43:39 +00:00
H.J. Lu 7629558884 Add a cast to avoid a compilation error.
2010-05-21  Doug Kwan  <dougkwan@google.com>

	PR gold/11619
	* arm.cc (Arm_input_section::do_output_offset): Add a cast to
	avoid a compilation error.
2010-05-22 01:06:49 +00:00
Doug Kwan 6625d24e23 2010-05-14 Doug Kwan <dougkwan@google.com>
* arm.cc (Arm_input_section::original_size): New method.
	(Arm_input_section::do_addralign): Add a cast.
	(Arm_input_section::do_output_offset): Remove static cast.
	(Arm_input_section::original_addralign,
	 Arm_input_section::original_size_): Change type to uint32_t.
	(Arm_input_section::init): Add safe casts for section alignment
	and size.
	(Arm_input_section::set_final_data_size): Do not set address and
	offset of stub table.
	(Arm_output_section::fix_exidx_coverage): Change use of of
	Output_section::Simple_input_section to that of
	Output_section::Input_section.
	(Target_arm::do_relax): Set addresses and file offsets of Stub_tables
	except for the first pass.
	* output.cc (Output_section::get_input_sections): Change type of
	input_sections to std::list<Input_section>.
	(Output_section::add_script_input_section): Rename from
	Output_section::add_simple_input_section.  Change type of SIS
	parameter from Simple_input_section to Input_section.
	* output.h (Output_section::Simple_input_section): Remove class.
	(Output_section::Input_section): Change class visibility to public.
	(Output_section::Input_section::addralign): Use stored alignments
	for special input sections if set.
	(Output_section::Input_section::set_addralign): New method.
	(Output_section::get_input_sections): Change parameter type from
	list of Simple_input_section to list of Input_section.
	(Output_section::add_script_input_section): Rename from
	Output_section::add_simple_input_section. Change first parameter's
	type from Simple_input_section to Input_section and remove the
	second and third parameters.
	* script-sections.cc (Input_section::Input_section_list): Change
	type to list of Output_section::Input_section/
	(Input_section_info::Input_section_info): Change parameter type of
	INPUT_SECTION to Output_section::Input_section.
	(Input_section_info::input_section): Change return type.
	(Input_section_info::input_section_): Change type to
	Output_section::Input_section.
	(Output_section_element_input::set_section_addresses): Adjust code
	to use Output_section::Input_section instead of
	Output_section::Simple_input_section.  Adjust code for renaming
	of Output_section::add_simple_input_section.
	(Orphan_output_section::set_section_addresses): Ditto.
2010-05-19 07:09:36 +00:00
Doug Kwan da59ad79a2 2010-05-12 Doug Kwan <dougkwan@google.com>
elfcpp/ChangeLog

	* arm.h (Tag_FP_arch, Tag_ABI_align_needed, Tag_ABI_align_preserved,
	Tag_FP_HP_extension, Tag_MPextension_use_legacy): Rename from
	existing tags.
	(Tag_undefined40, Tag_undefined41, Tag_MPextension_use,
	Tag_undefined43): New tags.
	(Targ_VFP_arch, Tag_ABI_align8_needed, TAG_ABI_align8_preserved,
	Tag_VFP_HP_extension): Define aliases for backward compatiblity.

gold/ChangeLog

	* arm.cc (Target_arm::do_finalize_sections): Create an empty
	attributes section only if there no attributes section after merging.
	(Target_arm::merge_object_attributes): Move value of
	Tag_MPextension_use_legacy to that of Tag_MPextension_use.
	Handle Tag_DIV_use and Tag_MPextension_use_legacy.
	* testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
	(check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
	and arm_attr_merge_7.stdout.
	(arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
	arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
	arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
	arm_attr_merge_7b.o): New rules.
	(MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
	arm_attr_merge_7
	* testsuite/Makefile.in: Regenerate.
	* testsuite/arm_attr_merge.sh: New file.
	* testsuite/arm_attr_merge_[67][ab].s: Same.
2010-05-13 02:41:15 +00:00
Andrew Haley 85fdf9067f 2010-04-15 Andrew Haley <aph@redhat.com>
* emultempl/armelf.em (merge_exidx_entries): New variable.
	(OPTION_NO_MERGE_EXIDX_ENTRIES): New definition.
	("no-merge-exidx-entries"): New option.
	* ld.texinfo (merge-exidx-entries): Document this option.

2010-04-15  Andrew Haley  <aph@redhat.com>

	* bfd-in.h (elf32_arm_fix_exidx_coverage): Add new flag:
	merge_exidx_entries.
	* bfd-in2.h: Likewise.
	* elf32-arm.c (elf32_arm_fix_exidx_coverage): Likewise.  Use it to
	control merging of exidx entries.

2010-04-15  Andrew Haley  <aph@redhat.com>

	* options.h (merge_exidx_entries): New option.
	* arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
	(class Arm_exidx_fixup::merge_exidx_entries_): New member.
	(Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
	(Target_arm::merge_exidx_entries): New function.
	(process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
	(Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
	to Arm_exidx_fixup constructor.
	Add new arg, merge_exidx_entries.
	(Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
	Arm_output_section::fix_exidx_coverage.
2010-04-21 16:32:31 +00:00
Doug Kwan 04ceb17cc3 2010-04-14 Doug Kwan <dougkwan@google.com>
* arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
	for local symbol recounting if we remove a section due to ICF.
	* gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
	there are no regular objects in input.
2010-04-15 00:42:15 +00:00
Doug Kwan 153e7da4fc 2010-04-13 Doug Kwan <dougkwan@google.com>
* arm.cc (Arm_input_section::set_final_data_size): Compute
	accurate final data size instead of using current data size.
2010-04-13 20:37:55 +00:00
Doug Kwan 24af6f9228 2010-04-07 Doug Kwan <dougkwan@google.com>
* arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
	if section is marked as containing instructions but has no mapping
	symbols.
	(Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
	correct section index.
	(Arm_relobj::find_linked_text_section): Ditto.
2010-04-08 06:56:15 +00:00
Doug Kwan 7296d93387 2010-04-07 Doug Kwan <dougkwan@google.com>
* arm.cc: Replace "endianity" with "endianness" in comments.
	(Arm_exidx_cantunwind): Ditto.
	(Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
	(Arm_relobj::merge_flags_and_attributes): New method.
	(Arm_relobj::merge_flags_and_attributes_): New data member.
	(Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
	(Arm_relobj::scan_sections_for_stubs): Ditto.
	(Arm_relobj::do_read_symbols): Check to see if we really want to
	merge processor-specific flags and attributes.  Exit early if
	an object is empty except for section names and the undefined symbol.
	(Target_arm::do_finalize_sections): Move check for ELF format to
	Arm_relobj::do_read_symbols.  Merge processor specific flags and
	attributes from a regular object only when we have determined that
	it is aapropriate.  Do not create an .ARM.attributes section in
	output if there is no regular input object.
	(Target_arm::merge_processor_specific_flags): Check
	--warn-mismatch before printing any error.
	(Target_arm::merge_object_attributes): Ditto.
	* gold.cc (queue_middle_tasks): Handle the case in which there is
	no regular object in input.
	* options.cc (General_options::parse_EB): New method.
	(General_options::parse_EL): Same.
	(General_options::General_options): Initialize endianness_.
	* options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
	New options.
	(General_options::Endianness): New enum.
	(General_options::endianness): New method.
	(General_options::endianness_): New data member.
	* parameters.cc (Parameters::set_options): Check target endianness.
	(Parameters::set_target_once): Ditto.
	(Parameters::check_target_endianness): New method.
	(parameters_force_valid_target): If either -EL or -EB is specified,
	use it to define endianness of default target.
	* parameters.h (Parameters::check_target_endianness): New method
	declaration.
	* target.h (class Target): Change "endianity" to "endianness"
	in comments.
2010-04-07 21:42:22 +00:00
Doug Kwan 323c532fae 2010-03-30 Doug Kwan <dougkwan@google.com>
* arm.cc (Target_arm::using_thumb_only): Handle v6-M
2010-03-31 06:05:37 +00:00
Doug Kwan 4fcd97eb15 2010-03-25 Doug Kwan <dougkwan@google.com>
* gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
	to avoid a conversion warning on a 32-bit host.
2010-03-26 04:53:34 +00:00
Doug Kwan a2c7281b72 2010-03-22 Doug Kwan <dougkwan@google.com>
* arm.cc (Arm_relocate_functions::abs8,
	Arm_relocate_functions::abs16): Use correct check for overflow
	specified in the ARM ELF specs.
	(Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
	target of a BLX instruction specially.
	(Reloc_stub::stub_type_for_reloc): Ditto.
	(Relocate::relocate): Use symbolic names instead of numeric relocation
	codes to report error.
	(Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
	workaround.
	* testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
	thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
	thumb2_blx_out_of_range.stdout
	(thumb_bl_out_of_range, thumb_bl_out_of_range.o,
	thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
	(thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
	thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
	thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
	thumb2_blx_in_range, thumb2_blx_in_range.o,
	thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
	thumb2_blx_out_of_range.o): New rules.
 	(MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
	thumb2_blx_in_range and	thumb2_blx_out_of_range.
	* testsuite/Makefile.in: Regenerate.
	* arm_branch_in_range.sh: Add tests for THUMB BLX.
	* testsuite/thumb_blx_in_range.s: New file.
	* testsuite/thumb_blx_out_of_range.s: New file.
2010-03-22 22:48:05 +00:00
Doug Kwan d099120c64 2010-03-19 Doug Kwan <dougkwan@google.com>
* arm.cc (Stub_table::Stub_table): Initialize new data members
	Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
	(Stub_table::add_reloc_stub): Assign stub offset and update
	Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
	(Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
	New data members.
 	(Stub_table::update_data_size_and_addralign): Use
	Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
	instead of going over all reloc stubs.
 	(Stub_table::finalize_stubs): Do not assign reloc stub offsets.
	* stringpool.cc (Stringpool_template::Stringpool_template): Initialize
	Stringpool_template::offset_ to size of Stringpool_char.
 	(Stringpool_template::new_key_offset): Remove code to initialize
	Stringpool_template::offset_.
	* stringpool.h (Stringpool_template::set_no_zero_null): Set
	Stringpool_template::offset_ to zero.
2010-03-19 19:11:21 +00:00
Doug Kwan 9177756dc9 2010-03-08 Doug Kwan <dougkwan@google.com>
* gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
	due to a conversion warning.
	(Arm_relobj::update_output_local_symbol_count): Check for local
	symbol with unset output index.
2010-03-08 22:15:16 +00:00
Ian Lance Taylor d3bbad6265 * target-reloc.h (relocate_section): Check the symbol table index
for -1U before setting the local symbol index.
	(scan_relocatable_relocs): If copying the relocation, record that
	the local symbol is required.
	* object.h (Symbol_value::is_output_symtab_index_set): New
	function.
	(Symbol_value::may_be_discarded_from_output_symtab): New
	function.
	(Symbol_value::has_output_symtab_entry): New function.
	(Symbol_value::needs_output_symtab_entry): Remove.
	(Symbol_value::output_symtab_index): Make sure the symbol index is
	set.
	(Symbol_value::set_output_symtab_index): Make sure the symbol
	index is not set.  Make sure the new index is valid.
	(Symbol_value::set_must_have_output_symtab_entry): New function.
	(Symbol_value::has_output_dynsym_entry): New function.
	(Symbol_value::set_output_dynsym_index): Make sure the new index
	is valid.
	(Sized_relobj::set_must_have_output_symtab_entry): New function.
	* object.cc (Sized_relobj::do_count_local_symbols): Only discard a
	local symbol if permitted.
	(Sized_relobj::do_finalize_local_symbols): Call
	is_output_symtab_index_set rather than needs_output_symtab_entry.
	(Sized_relobj::write_local_symbols): Call has_output_symtab_entry
	rather than needs_output_symtab_entry.  Call
	has_output_dynsym_entry rather than needs_output_dynsym_entry.
	* arm.cc (Arm_relobj::update_output_local_symbol_count): Call
	is_output_symtab_index_set rather than needs_output_symtab_entry.
	* testsuite/discard_locals_relocatable_test.c: New file.
	* testsuite/discard_locals_test.sh: Test -r.
	* testsuite/Makefile.am (check_DATA): Add
	discard_locals_relocatable_test1.syms,
	discard_local_relocatable_test2.syms.
	(MOSTLYCLEANFILES): Likewise.  Also add
	discard_locals_relocatable_test1.lout and
	discard_locals_relocatable_test2.out.
	(discard_locals_relocatable_test1.syms): New target.
	(discard_locals_relocatable_test.o): New target.
	(discard_locals_relocatable_test1.out): New target.
	(discard_locals_relocatable_test2.syms): New target.
	(discard_locals_relocatable_test2.out): New target.
	(various): Add missing ../ld-new dependencies.
	* testsuite/Makefile.in: Rebuild.
2010-03-03 19:31:54 +00:00
Doug Kwan c3e4ae2903 2010-02-26 Doug Kwan <dougkwan@google.com>
* arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
	R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
	* testsuite/debug_msg.sh: Avoid matching source line number for
	use of global variable undef_int.
2010-02-27 00:46:00 +00:00
Doug Kwan 2fd9ae7a1d 2010-02-26 Doug Kwan <dougkwan@google.com>
* arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
	R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
	(Target_arm::scan_reloc_section_for_stubs): Instead of calling
	scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
	* options.cc (General_options::General_options): Initialize member
	fix_v4bx_.
	* testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
	(check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
	and rm_no_fix_v4bx.stdout
	(arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
	arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
	arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
	(MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
	and arm_no_fix_v4bx.
	* Makefile.in: Regenerate.
	* testsuite/arm_fix_v4bx.s: New file.
	* testsuite/arm_fix_v4bx.sh: Ditto.
2010-02-27 00:36:49 +00:00
Doug Kwan 67ec7d0b4d 2010-02-24 Doug Kwan <dougkwan@google.com>
* arm.cc (Target_arm::got_section): Make the .got section the first
	non RELRO section in the data segment.
	* testsuite/script_test_5.sh: Fix match patterns to avoid matching
	suffixes of section names.
2010-02-25 05:11:26 +00:00
Doug Kwan 101654612f 2010-02-24 Doug Kwan <dougkwan@google.com>
* arm.cc (Target_arm::do_finalize_sections): Skip processor specific
	flags and attributes merging if an input file is a binary file.
	* fileread.cc (Input_file::open): Record format of original file.
	* fileread.h (Input_file::Format): New enum type.
   	(Input_file::Input_file): Initialize data member format_.
	(Input_file::format): New method definition.
	(Input_file::format_):: New data member.
2010-02-24 20:50:59 +00:00
Doug Kwan 4a54abbbe9 2010-02-24 Doug Kwan <dougkwan@google.com>
* arm.cc (Arm_output_data_got): New class.
	(ARM_TCB_SIZE): New constant
	(Target_arm): Use Arm_output_data_got instead of Output_data_got.
	(Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
	If user uses a script with a SECTIONS clause, issue only a warning
	for a misplaced EXIDX input section.  Otherwise, issue an error.
 	(Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
	garbage collection.
	(Target_arm::got_mode_index_entry): Handle static linking.
	(Target_arm::Scan::local): Ditto.
	(Target_arm::Scan::global): Ditto.
	(Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
	all incorrectly implemented relocations.
	(Target_arm::fix_exidx_coverage): Pass layout to
	Arm_output_section::fix_exidx_coverage.
	* layout.cc (Layout::section_name_mapping): Remove trailing dots
	from ".ARM.exidx." and ".ARM.extab.".
2010-02-24 20:45:12 +00:00
Ian Lance Taylor ca419a6f33 * arm.cc (Target_arm::do_finalize_sections): Create attribute
section if it does not already exist.
	* attributes.cc	(Attributes_section_data::Attributes_section_data):
	Don't crash if size is zero.
2010-02-23 17:45:38 +00:00
Doug Kwan 2a2b6d42b1 2010-02-21 Doug Kwan <dougkwan@google.com>
* arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
	handling of the maximum backward branch offset.
     	(Arm_relocate_functions::thumb_branch_common): Ditto.
	* testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
	(check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
	thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
	thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
	(arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
	arm_bl_out_of_range.stdout, arm_bl_out_of_range,
	arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
	thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
	thumb_bl_out_of_range thumb_bl_out_of_range.o,
	thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
	thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
	thumb2_bl_out_of_range.o): New rules.
	(MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
	thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
	thumb2_bl_out_of_range
	* testsuite/Makefile.in: Regenerate.
	* testsuite/arm_bl_in_range.s: New file.
	* testsuite/arm_bl_out_of_range.s: Ditto.
	* testsuite/arm_branch_in_range.sh: Ditto.
	* testsuite/arm_branch_range.t: Ditto.
	* testsuite/thumb2_branch_range.t: Ditto.
	* testsuite/thumb_bl_in_range.s: Ditto.
	* testsuite/thumb_bl_out_of_range.s: Ditto.
	* testsuite/thumb_branch_range.t: Ditto.
2010-02-22 06:26:07 +00:00
Doug Kwan f96accdf2b 2010-02-18 Doug Kwan <dougkwan@google.com>
* arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
	R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
	* arm.cc (Arm_relocation_functions): New forward declaration.
	(Target_arm::Target_arm): Initialize new data members
	got_mod_index_offset_ and tls_base_symbol_defined_.
	(Target_arm::Relocate::relocate_tls): New method.
	(Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
	 Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
	New methods.
   	(Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
	GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
	(Target_arm::got_mod_index_offset_,
	Target_arm::tls_base_symbol_defined_): New data members.
	(Target_arm::Scan::local, Target::Scan::global,
	Target_arm::Relocate::relocate): Handle 32-bit initial TLS
	relocations.
2010-02-19 22:53:54 +00:00
Doug Kwan c8761b9af4 2010-02-18 Doug Kwan <dougkwan@google.com>
* arm.cc (Arm_relobj::find_linked_text_section): New method.
	(Arm_relobj::make_exidx_input_section): Pass section index of linked
	text section as a parameter becuase some broken tools may not set
	the link in section header.
	(Target_arm::has_got_section): New method.
	(Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
	without any mapping symbol as data only.  Remove warning.
	(Arm_relobj::do_read_synbols): If an EXIDX input section has no
	link in its section header, try to discover the link by inspecting the
	REL31 relocation at the beginning of the section.
	(Target_arm::Scan::check_non_pic): Report name of offending relocation
	in error message.
	(Target_arm::Scan::global): Treat any reference to the symbol
	_GLOBAL_OFFSET_TABLE_ as a GOT access.
2010-02-19 02:16:41 +00:00
Sriraman Tallam 21bb3914d6 2010-02-12 Sriraman Tallam <tmsriram@google.com>
* arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
	(Scan::global_reloc_may_be_function_pointer): New function.
	* sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
	(Scan::global_reloc_may_be_function_pointer): New function.
	* powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
	(Scan::global_reloc_may_be_function_pointer): New function.
	* i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
	(Scan::global_reloc_may_be_function_pointer): New function.
	* x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
	(Scan::global_reloc_may_be_function_pointer): New function.
	(Scan::possible_function_pointer_reloc): New function.
	(Target_x86_64::can_check_for_function_pointers): New function.
	* gc.h (gc_process_relocs): Scan relocation types to determine if
	function pointers were taken for targets that support it.
	* icf.cc (Icf::find_identical_sections): Include functions for
	folding in safe ICF whose pointer is not taken.
	* icf.h (Secn_fptr_taken_set): New typedef.
	(fptr_section_id_): New member.
	(section_has_function_pointers): New function.
	(set_section_has_function_pointers): New function.
	(check_section_for_function_pointers): New function.
	* options.h: Fix comment for safe ICF option.
	* target.h (can_check_for_function_pointers): New function.
	* testsuite/Makefile.am: Add icf_safe_so_test test case.
	Modify icf_safe_test for X86-64.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/icf_safe_so_test.cc: New file.
	* testsuite/icf_safe_so_test.sh: New file.
	* testsuite/icf_safe_test.cc (kept_func_3): New function.
	(main): Change to take pointer to function kept_func_3.
	* testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
	folding is done correctly for X86-64.
2010-02-13 02:04:21 +00:00
Doug Kwan e4782e8381 2010-02-11 Doug Kwan <dougkwan@google.com>
* arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
	(Target_arm::Scan::global): Ditto.  Also remove a comment before the
	beginning of function.
	(Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
	and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
	parameter is_32bit in calls to should_apply_static_reloc.
	* testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
	(check_DATA): Add arm_abs_global.stdout.
	(arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
	arm_abs_global.stdout): New rules.
	(MOSTLLYCLEANFILES): Add arm_abs_global
	* Makefile.in: Regenerate.
	* testsuite/arm_abs_global.s: New file.
	* testsuite/arm_abs_global.sh: Ditto.
	* testsuite/arm_abs_lib.s: Ditto.
2010-02-12 05:51:32 +00:00
David S. Miller 612a8d3dbf * output.h (Output_data_dynamic::add_section_size): New method
that takes two Output_data objects.
	(Output_data_dynamic::Dynamic_entry): Create storage for secondary
	entry param.  Handle it in initializers.
	* output.cc (Output_data_dynamic::Dynamic_entry::write): For
	DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
	* layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
	arg.
	* layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
	and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
	* arm.cc (Target_arm::do_finalize_sections): Update to pass false
	for dynrel_includes_plt.
	* i386.cc (Target_i386::do_finalize_sections): Likewise.
	* x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
	* sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
	before .rela.plt
	(Target_sparc::do_finalize_sections): Update to pass true for
	dynrel_includes_plt.
	* powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
	output before .rela.plt
	(Target_powerpc::do_finalize_sections): Update to pass true for
	dynrel_includes_plt when 32-bit.
2010-02-09 20:29:44 +00:00
Doug Kwan cb1be87e23 2010-02-08 Doug Kwan <dougkwan@google.com>
* arm.cc (Arm_relobj::simple_input_section_output_address): New
        method.
        (Arm_relobj::section_needs_cortex_a8_stub_scanning,
        Arm_relobj::scan_section_for_cortex_a8_stubs,
        Arm_relobj::do_relocation_section): Instead of calling
        Output_section::output_address, use faster
        Arm_relobj::simple_input_section_output_address.
2010-02-09 06:46:00 +00:00
Doug Kwan cf846138ae 2010-02-05 Doug Kwan <dougkwan@google.com>
PR 11247
	* arm.cc (Arm_relobj::section_is_scannable): New method.
	(Arm_relobj::section_needs_reloc_stub_scanning): Use it.
	(Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
2010-02-06 04:30:00 +00:00
Doug Kwan 5c57f1be7b 2010-02-03 Doug Kwan <dougkwan@google.com>
* arm-reloc-property.cc
	(Arm_reloc_property_table::reloc_name_in_error_message): New method
	definition.
	* arm-reloc-property.h
	(Arm_reloc_property_table::get_implemented_static_reloc_property):
	New method definition.
	(Arm_reloc_property_table::reloc_name_in_error_message): New method
	declaration.
	* arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
	overflow to N.
	(GOT_PREL): Change implemented to Y.
	* arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
	(Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
	(Arm_relocate_functions::movw_abs_nc): Remove method.
	(Arm_relocate_functions::movt_abs): Ditto.
	(Arm_relocate_functions::thm_movw_abs_nc): Ditto.
	(Arm_relocate_functions::thm_movt_abs): Ditto.
	(Arm_relocate_functions::movw_rel_nc): Ditto.
	(Arm_relocate_functions::movw_rel): Ditto.
	(Arm_relocate_functions::movt_rel): Ditto.
	(Arm_relocate_functions:thm_movw_rel_nc): Ditto.
	(Arm_relocate_functions:thm_movw_rel): Ditto.
	(Arm_relocate_functions:thm_movt_rel): Ditto.
	(Arm_relocate_functions::movw, Arm_relocate_functions::movt,
	(Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
	New method definitions.
	(Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
	(Arm_relocation_functions::arm_grp_ldr): Ditto.
	(Arm_relocation_functions::arm_grp_ldrs): Ditto.
	(Arm_relocation_functions::arm_grp_ldc): Ditto.
	(Target_arm::Relocate::relocate): Check for non-static or
	unimplemented relocation code and exit early.  Change calls to
	Target_arm::reloc_uses_thumb_bit and
	Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
	instead.  Refactor code to handle similar relocations to increase
	code sharing.  Remove check for unsupported relocation code in switch
	statement.
	(Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
	relocation property table to find out size.  Change error message to
	print out the name of a relocation code instead of the numeric value.
	(Target_arm::scan_reloc_for_stub): Use relocation property table
	instead of calling Target_arm::reloc_uses_thumb_bit().
2010-02-04 03:32:18 +00:00
Doug Kwan 218c583182 2010-02-03 Doug Kwan <dougkwan@google.com>
* arm.cc (Target_arm::relocate_section): Do view adjustment for all
	types of relaxed input section.
2010-02-03 19:32:28 +00:00
Doug Kwan 0d31c79dad 2010-02-02 Doug Kwan <dougkwan@google.com>
* Makefile.am (HFILES): Add arm-reloc-property.h.
	(DEFFILES): New.
 	(TARGETSOURCES): Add arm-reloc-property.cc
 	(ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
	(libgold_a_SOURCES): $(DEFFILES)
	* Makefile.in: Regenerate.
	* arm-reloc-property.cc: New file.
	* arm-reloc-property.h: New file.
	* arm-reloc.def: New file.
	* arm.cc: Update comments.
	(arm-reloc-property.h): New included header.
	(arm_reloc_property_table): New global variable.
	(Target_arm::do_select_as_default_target): New method definition.
	* configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
	arm-reloc-property to targ_extra_obj.
	* parameters.cc (set_parameters_target): Call
	Target::select_as_default_target().
	* target.h (Target::select_as_default_target): New method definition.
	(Target::do_select_as_default_target): Same.
2010-02-03 05:36:55 +00:00
Doug Kwan 546c74577f 2010-02-01 Doug Kwan <dougkwan@google.com>
* arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
	first_output_text_section_.
	(Arm_exidx_fixup::first_output_text_section): New method definition.
	(Arm_exidx_fixup::first_output_text_section_): New data member.
	(Arm_exidx_fixup::process_exidx_section): Record the first text
	output section seen.
	(Arm_output_section::fix_exidx_coverage): Set correct linked section
	and entsize in output section header.
2010-02-02 00:25:57 +00:00
Doug Kwan 11b861d510 2010-01-29 Viktor Kutuzov <vkutuzov@accesssoftek.com>
* gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
	R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
	(Arm_relocate_functions::thm_alu11): New Method.
	(Arm_relocate_functions::thm_pc8): New Method.
	(Arm_relocate_functions::thm_pc12): New Method.
	(Target_arm::Scan::local): Handle the relocations.
	(Target_arm::Scan::global): Likewise.
	(Target_arm::Relocate::relocate): Likewise.
	(Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2010-01-30 00:11:00 +00:00
Doug Kwan c9a2c12554 2010-01-29 Doug Kwan <dougkwan@google.com>
* arm.cc (Target_arm::Scan::global): General PLTs for the same set
	of relocation types as ld.
2010-01-30 00:01:12 +00:00
Doug Kwan 1521477a53 2010-01-29 Doug Kwan <dougkwan@google.com>
* arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
	to public.
	(Arm_relocate_functions::thumb_branch_common): Ditto.
	(Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
	Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
	Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
	Arm_relocate_functions::jump24): Remove.
	(Target_arm::Relocate::relocate): Adjust code to call
	Arm_relocation_functions::arm_branch_common and
	Arm_relocation_functions::thumb_branch_common instead of their removed
	wrappers.  Merge switch-cases together to reduce source code size.
2010-01-29 22:16:17 +00:00
Doug Kwan e7eca48cb2 2010-01-29 Doug Kwan <dougkwan@google.com>
* arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
	output_local_symbol_count_needs_update_.
	(Arm_relobj::output_local_symbol_count_needs_update,
	 Arm_relobj::set_output_local_symbol_count_needs_update,
	 Arm_relobj::update_output_local_symbol_count): New methods.
	(Arm_relobj::output_local_symbol_count_needs_update_): New data
	member.
	(Arm_exidx_cantunwind::do_fixed_endian_write): Write address
	of pointed function as in a R_ARM_PREL31 relocation.
	(Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
	for output local symbol count updating.
	(Target_arm::do_relax): Update output local symbol counts in objects
	if necessary.
	* object.h (Sized_relobj::set_output_local_symbol_count): New method.
2010-01-29 18:23:18 +00:00
Ian Lance Taylor 02961d7edf * arm.cc: Added support for the ARM relocations:
R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
	R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
	(Arm_relocate_functions::movw_rel_nc): Renamed (was
	movw_prel_nc).
	(Arm_relocate_functions::movw_rel): New method.
	(Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
	(Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
	thm_movw_prel_nc).
	(Arm_relocate_functions::thm_movw_rel): New method.
	(Arm_relocate_functions::thm_movt_rel): Renamed (was
	thm_movt_prel).
	(Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
	relocations.
	(Target_arm::Scan::global): Likewise.
	(Target_arm::Relocate::relocate): Likewise.
	(Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
	Likewise.
2010-01-29 15:46:43 +00:00
Ian Lance Taylor b10d287364 * arm.cc: Added support for ARM group relocations.
(Target_arm::reloc_needs_sym_origin): New method.
	(Arm_relocate_functions::calc_grp_kn): New method.
	(Arm_relocate_functions::calc_grp_residual): New method.
	(Arm_relocate_functions::calc_grp_gn): New method.
	(Arm_relocate_functions::arm_grp_alu): New Method.
	(Arm_relocate_functions::arm_grp_ldr): New Method.
	(Arm_relocate_functions::arm_grp_ldrs): New Method.
	(Arm_relocate_functions::arm_grp_ldc): New Method.
	(Target_arm::Scan::local): Handle the ARM group relocations.
	(Target_arm::Scan::global): Likewise.
	(Target_arm::Relocate::relocate): Likewise.
	(Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
	Likewise.
2010-01-27 15:17:46 +00:00
Doug Kwan 2b328d4ec5 2010-01-26 Doug Kwan <dougkwan@google.com>
* arm.cc (set): Include.
	(class Arm_exidx_fixup): Change type of last_input_section_ to const
	pointer type.
 	(Arm_output_section::Text_section_list): New type.
	(Arm_output_section::append_text_sections_to_list): New method.
	(Arm_output_section::fix_exidx_coverage): Ditto.
	(Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
   	(Arm_relobj::convert_input_section_to_relaxed_section): Use
	Relobj::set_section_offset() instead of
	Sized_relobj::invalidate_section_offset().
   	(Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
	parameter for section headers. Ignore relocation sections for
	unallocated sections and EXIDX sections.
	(Target_arm::fix_exidx_coverage): New method.
	(Target_arm::output_section_address_less_than): New type.
	(Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
	linked text section instead of the EXIDX section.
	(Arm_output_section::create_stub_group): Add an assertion to check
	that this is not an EXIDX output section.
	(Arm_output_section::append_text_sections_to_list): New method.
	(Arm_output_section::fix_exidx_coverage): Ditto.
	(Arm_relobj::scan_sections_for_stubs): Adjust call to
   	Arm_relobj::section_needs_reloc_stub_scanning.
	(Target_arm::do_relax): Fix EXIDX output section coverage in the
	first pass.
	(Target_arm::fix_exidx_coverage): New method.
	* object.h (Relobj::set_output_section): New method.
	(Sized_relobj::invalidate_section_offset): Remove method.
	(Sized_relobj::do_invalidate_section_offset): Remove method.
	(Sized_relobj::do_set_section_offset): Handle offset value -1.
2010-01-26 21:29:10 +00:00
Doug Kwan c7f3c37113 2010-01-25 Doug Kwan <dougkwan@google.com>
* arm.cc (Arm_exidx_merged_section::do_output_offset):
	Fix warning due to signed and unsigned comparison on a 32-bit host.
2010-01-25 17:30:29 +00:00
Doug Kwan 8923b24c4b 2010-01-22 Doug Kwan <dougkwan@google.com>
* arm.cc (Target_arm::do_relax): Record an output section for section
	offset adjustment it contains any stub table that has changed.
	* layout.cc (Layout::clean_up_after_relaxation): Adjust section
	offsets in an output section if necessary.
	* output.cc (Output_section::Output_section): Initialize
	section_offsets_need_adjustments_.
	(Output_section::add_input_section_for_script): Renamed to
	Output_section::add_simple_input_section.
	(Output_section::save_states): Add a comment.
	(Output_section::discard_states): New method defintion.
	(Output_section::adjust_section_offsets): Same.
	* output.h (Output_section::add_input_section_for_script): Renamed to
	Output_section::add_simple_input_section.
	(Output_section::discard_states): New method declaration.
	(Output_section::adjust_section_offsets): Same.
	(Output_section::section_offsets_need_adjustment,
	Output_section::set_section_offsets_need_adjustment): New method
	definitions.
	(Output_section::section_offsets_need_adjustment_): New data member.
	* script-sections.cc
	(Output_section_element_input::set_section_address): Adjust code for
	renaming of Output_section::add_input_section_for_script.
	(Orphan_output_section::set_section_address): Same.
2010-01-23 01:07:59 +00:00
Doug Kwan 9b2fd36756 2010-01-22 Viktor Kutuzov <vkutuzov@accesssoftek.com>
* gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
	Fix_v4bx enum values .
	* gold/options.h (General_options): New option definitions.
	(General_options::fix_v4bx): New method.
	(General_options::Fix_v4bx): New enum.
	* gold/options.cc (General_options::parse_fix_v4bx): New method.
	(General_options::parse_fix_v4bx_interworking): New method.
2010-01-22 19:43:00 +00:00
Doug Kwan 80d0d023f5 2010-01-22 Doug Kwan <dougkwan@google.com>
* arm.cc (Arm_exidx_fixup): New class.
2010-01-22 17:53:18 +00:00
Doug Kwan af2cdeae83 2010-01-21 Doug Kwan <dougkwan@google.com>
elfcpp/ChangeLog:

	* arm.h (EXIDX_CANTUNWIND): New enum.

gold/ChangeLog:

	* arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
	classes.
	(Arm_exidx_section_offset_map): New type.
2010-01-22 06:06:46 +00:00
Doug Kwan 993d07c1d5 2010-01-21 Doug Kwan <dougkwan@google.com>
* arm.cc (Arm_exidx_input_section): New class.
	(Arm_relobj::exidx_input_section_by_link,
	Arm_relobj::exidx_input_section_by_shndx,
	Arm_relobj::make_exidx_input_section): New methods.
	(read_arm_attributes_section): Remove.
	(Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
	information about them.
	(Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
	to here.
2010-01-22 00:51:17 +00:00
Doug Kwan 5ac169d4b6 2010-01-20 Doug Kwan <dougkwan@google.com>
* arm.cc (Target_arm::Arm_input_section_map): Change key type from
	Input_section_specifier to Section_id.
	(Target_arm::new_arm_input_section: Adjust code for change of key
	type.
	(Target_arm::find_arm_input_section): Ditto.
	* gc.h (object.h): Include for Section_id nand Section_id_hash.
	(Section_id): Remove.
	(Garbage_collection::Section_id_hash): Remove.
	* icf.h (object.h): Include for Section_id nand Section_id_hash.
	(Section_id): Remove.
	(Icf::Section_id_hash): Remove.
	* object.h (Section_id, Const_section_id, Section_id_hash,
	Const_section_id_hash): New type definitions.
	* output.cc (Output_section::add_relaxed_input_section): Change to
	use Const_section_id instead of Input_section_specifier as key type.
	(Output_section::add_merge_input_section): Ditto.
	(Output_section::build_relaxation_map): Change to use Section_id
	instead of Input_section_specifier as key type.
 	(Output_section::convert_input_sections_in_list_to_relaxed_sections):
	Ditto.
	(Output_section::convert_input_sections_to_relaxed_sections): Change
	to use Const_section_id instead of Input_section_specifier as key type.
 	(Output_section::find_merge_section): Ditto.
	(Output_section::find_relaxed_input_section): Ditto.
	* output.h (Input_section_specifier): Remove class.
	(Output_section::Output_section_data_by_input_section_map): Change
	key type to Const_section_id.
	(Output_section::Output_relaxed_input_section_by_input_section_map):
	Ditto.
	(Output_section::Relaxation_map): Change key type to Section_id.
2010-01-20 17:29:52 +00:00
Ian Lance Taylor a21620630e * gold/arm.cc: Added support for R_ARM_V4BX relocation
(class Arm_v4bx_stub): New class.
	(DEF_STUBS): Updated definition to support v4_veneer_bx.
	(Stub_factory::make_arm_v4bx_stub): New method.
	(Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
	(Stub_table::empty): Handle v4bx stubs.
	(Stub_table::add_arm_v4bx_stub): New method.
	(Stub_table::find_arm_v4bx_stub): New method.
	(Arm_relocate_functions::v4bx): New method.
	(Target_arm::fix_v4bx): New method.
	(Target_arm::Target_arm): Handle R_ARM_V4BX.
	(Stub_table::relocate_stubs): Likewise.
	(Stub_table::do_write): Likewise.
	(Stub_table::update_data_size_and_addralign): Likewise.
	(Stub_table::finalize_stubs):  Likewise.
	(Target_arm::Scan::local): Likewise.
	(Target_arm::Scan::global): Likewise.
	(Target_arm::do_finalize_sections): Likewise.
	(Target_arm::Relocate::relocate): Likewise.
	(Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
	Likewise.
	(Target_arm::scan_reloc_for_stub): Likewise.
	(Target_arm::scan_reloc_section_for_stubs): Likewise.
2010-01-20 16:49:09 +00:00
Ian Lance Taylor 800d0f5656 * arm.cc (Arm_relocate_functions::thm_jump6): New function.
(Arm_relocate_functions::thm_jump8): New function.
	(Arm_relocate_functions::thm_jump11): New function.
	(Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
	R_ARM_THM_JUMP11.
	(Target_arm::Scan::global): Likewise.
	(Target_arm::Relocate::relocate): Likewise.
	(Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
	Likewise.
2010-01-15 15:41:42 +00:00