Commit Graph

95 Commits

Author SHA1 Message Date
Ian Lance Taylor
82bb573a56 * object.h (class Relocate_info): Add reloc_shdr and data_shdr
fields.
	* object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
	data_shdr fields of relinfo.
	* i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
	(Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
	R_386_TLS_LDO_32, adjust based on section flags.
	(Target_i386::Relocate::fix_up_ldo): Remove.
2009-10-15 00:33:18 +00:00
Ian Lance Taylor
374ad2854b Add support for -pie.
* options.h (class General_options): Add -pie and
	--pic-executable.
	(General_options::output_is_position_independent): Test -pie.
	(General_options::output_is_executable): Return true if not shared
	and not relocatable.
	(General_options::output_is_pie): Remove.
	* options.cc (General_options::finalize): Reject incompatible uses
	of -pie.
	* gold.cc (queue_middle_tasks): A -pie link is not static.
	* symtab.h (Symbol::needs_plt_entry): Return false if -pie.
	* symtab.cc (Symbol::final_value_is_known): Return false if
	output_is_position_independent.
	* layout.cc (Layout::set_segment_offsets): Start at address 0 if
	output_is_position_independent.
	* output.cc (Output_file_header::do_sized_write): Use ET_DYN if
	output_is_position_independent.
	* i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
	output_is_position_independent.
	* testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
	two_file_pie_test.
	(basic_pie_test.o, basic_pie_test): New targets.
	(two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
	(two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
	(two_file_pie_test): New target.
	* testsuite/Makefile.in: Rebuild.
	* README: Remove note saying that -pie is not supported.
2009-10-14 05:25:02 +00:00
Sriraman Tallam
f345227a0c * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
includes to gc.h and icf.h.
	* arm.cc: Include gc.h.
	* gold.cc: Likewise.
	* i386.cc: Likewise.
	* powerpc.cc: Likewise.
	* sparc.cc: Likewise.
	* x86_64.cc: Likewise.
	* gc.h: Include icf.h.
2009-10-13 00:39:31 +00:00
Ian Lance Taylor
364c7fa5c9 * options.h (class General_options): Define
split_stack_adjust_size parameter.
	* object.h (class Object): Add uses_split_stack_ and
	has_no_split_stack_ fields.  Add uses_split_stack and
	has_no_split_stack accessor functions.  Declare
	handle_split_stack_section.
	(class Reloc_symbol_changes): Define.
	(class Sized_relobj): Define Function_offsets.  Declare
	split_stack_adjust, split_stack_adjust_reltype, and
	find_functions.
	* object.cc (Object::handle_split_stack_section): New function.
	(Sized_relobj::do_layout): Call handle_split_stack_section.
	* dynobj.cc (Sized_dynobj::do_layout): Call
	handle_split_stack_section.
	* reloc.cc (Sized_relobj::relocate_sections): Call
	split_stack_adjust for executable sections in split_stack
	objects.  Pass reloc_map to relocate_section.
	(Sized_relobj::split_stack_adjust): New function.
	(Sized_relobj::split_stack_adjust_reltype): New function.
	(Sized_relobj::find_functions): New function.
	* target-reloc.h: Include "object.h".
	(relocate_section): Add reloc_symbol_changes parameter.  Change
	all callers.
	* target.h (class Target): Add calls_non_split method.  Declare
	do_calls_non_split virtual method.  Declare match_view and
	set_view_to_nop.
	* target.cc: Include "elfcpp.h".
	(Target::do_calls_non_split): New function.
	(Target::match_view): New function.
	(Target::set_view_to_nop): New function.
	* gold.cc (queue_middle_tasks): Give an error if mixing
	split-stack and non-split-stack objects with -r.
	* i386.cc (Target_i386::relocate_section): Add
	reloc_symbol_changes parameter.
	(Target_i386::do_calls_non_split): New function.
	* x86_64.cc (Target_x86_64::relocate_section): Add
	reloc_symbol_changes parameter.
	(Target_x86_64::do_calls_non_split): New function.
	* arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
	parameter.
	* powerpc.cc (Target_powerpc::relocate_section): Add
	reloc_symbol_changes parameter.
	* sparc.cc (Target_sparc::relocate_section): Add
	reloc_symbol_changes parameter.
	* configure.ac: Call AM_CONDITIONAL for the default target.
	* configure: Rebuild.
	* testsuite/Makefile.am (TEST_AS): New variable.
	(check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
	(check_DATA): Add split_i386 and split_x86_64 files.
	(SPLIT_DEFSYMS): Define.
	(split_i386_[1234n].o): New targets.
	(split_i386_[124]): New targets.
	(split_i386_[1234r].stdout): New targets.
	(split_x86_64_[1234n].o): New targets.
	(split_x86_64_[124]): New targets.
	(split_x86_64_[1234r].stdout): New targets.
	(MOSTLYCLEANFILES): Add new executables.
	* testsuite/split_i386.sh: New file.
	* testsuite/split_x86_64.sh: New file.
	* testsuite/split_i386_1.s: New file.
	* testsuite/split_i386_2.s: New file.
	* testsuite/split_i386_3.s: New file.
	* testsuite/split_i386_4.s: New file.
	* testsuite/split_i386_n.s: New file.
	* testsuite/split_x86_64_1.s: New file.
	* testsuite/split_x86_64_2.s: New file.
	* testsuite/split_x86_64_3.s: New file.
	* testsuite/split_x86_64_4.s: New file.
	* testsuite/split_x86_64_n.s: New file.
	* testsuite/testfile.cc (Target_test): Update relocation_section
	function.
	* testsuite/Makefile.in: Rebuild.
2009-10-06 22:58:27 +00:00
Ian Lance Taylor
d6f22b9890 Tweak last patch. 2009-10-06 21:44:11 +00:00
Ian Lance Taylor
e8a9fcdace * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
(Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
	changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
	handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
	the address on ldo_addrs_.
	(Target_i386::Relocate::fix_up_ldo): New function.
2009-10-06 21:36:00 +00:00
Doug Kwan
966d409744 2009-09-30 Doug Kwan <dougkwan@google.com>
* arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
	symbol and call Symbol::may_need_copy_reloc to determine if
	a copy reloc is needed.
	* copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
	nocopyreloc is given in command line.
	(Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
	given in command line.
	* i386.cc (Target_i386::may_need_copy_reloc): Remove.
	(Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
	of the removed Target_i386::may_need_copy_reloc.
	* options.h (copyreloc): New option with default value false.
	* powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
	(Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
	instead of the removed Target_powerpc::may_need_copy_reloc.
	* sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
	(Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
	instead of the removed Target_sparc::may_need_copy_reloc.
	* symtab.h (Symbol::may_need_copy_reloc): New method definition.
	* x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
	(Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
	instead of the removed Target_x86_64::may_need_copy_reloc.
2009-10-01 00:58:38 +00:00
Ian Lance Taylor
8a5e3e08a6 * layout.cc (Layout::make_output_section): Call
Target::new_output_section.
	(Layout::attach_allocated_section_to_segment): Put large section
	sections in a separate load segment with the large segment flag
	set.
	(Layout::segment_precedes): Sort large data segments after other
	load segments.
	(align_file_offset): New static function.
	(Layout::set_segment_offsets): Use align_file_offset.
	* output.h (class Output_section): Add is_small_section_ and
	is_large_section_ fields.
	(Output_section::is_small_section): New function.
	(Output_section::set_is_small_section):  New function.
	(Output_section::is_large_section): New function.
	(Output_section::set_is_large_section): New function.
	(Output_section::is_large_data_section): New function.
	(class Output_segment): Add is_large_data_segment_ field.
	(Output_segment::is_large_data_segment): New function.
	(Output_segment::set_is_large_data_segment): New function.
	* output.cc (Output_section::Output_section): Initialize new
	fields.
	(Output_segment::Output_segment): Likewise.
	(Output_segment::add_output_section): Add assertion that large
	data sections always go in large data segments.  Force small data
	sections to the end of the list of data sections.  Force small BSS
	sections to the start of the list of BSS sections.  For large BSS
	sections to the end of the list of BSS sections.
	* symtab.h (class Symbol): Declare is_common_shndx.
	(Symbol::is_defined): Check Symbol::is_common_shndx.
	(Symbol::is_common): Likewise.
	(class Symbol_table): Define enum Commons_section_type.  Update
	declarations.  Add small_commons_ and large_commons_ fields.
	* symtab.cc (Symbol::is_common_shndx): New function.
	(Symbol_table::Symbol_table): Initialize new fields.
	(Symbol_table::add_from_object): Put small and large common
	symbols in the right list.
	(Symbol_table::sized_finalized_symbol): Check
	Symbol::is_common_shndx.
	(Symbol_table::sized_write_globals): Likewise.
	* common.cc (Symbol_table::do_allocate_commons): Allocate new
	common symbol lists.  Don't call do_allocate_commons_list if the
	list is empty.
	(Symbol_table::do_allocate_commons_list): Remove is_tls
	parameter.  Add comons_section_type parameter.  Change all
	callers.  Handle small and large common symbols.
	* object.cc (Sized_relobj::do_finalize_local_symbols): Check
	Symbol::is_common_shndx.
	* resolve.cc (symbol_to_bits): Likewise.
	* target.h (Target::small_common_shndx): New function.
	(Target::small_common_section_flags): New function.
	(Target::large_common_shndx): New function.
	(Target::large_common_section_flags): New function.
	(Target::new_output_section): New function.
	(Target::Target_info): Add small_common_shndx, large_common_shndx,
	small_common_section_flags, and large_common_section_flags
	fields.
	(Target::do_new_output_section): New virtual function.
	* arm.cc (Target_arm::arm_info): Initialize new fields.
	* i386.cc (Target_i386::i386_info): Likewise.
	* powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
	Likewise.
	* sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
	* x86_64.cc (Target_x86_64::x86_64_info): Likewise.
	(Target_x86_64::do_new_output_section): New function.
	* configure.ac: Define conditional MCMODEL_MEDIUM.
	* testsuite/Makefile.am (check_PROGRAMS): Add large.
	(large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
	(large_LDFLAGS): Define.
	* testsuite/large.c: New file.
	* testsuite/testfile.cc (Target_test::test_target_info):
	Initialize new fields.
	* configure, testsuite/Makefile.in: Rebuild.
2009-06-22 06:51:53 +00:00
Doug Kwan
bb04269c74 2009-06-05 Doug Kwan <dougkwan@google.com>
* Makefile.am (CCFILES): Add target.cc.
	* Makefile.in: Regenerate.
	* i386.cc (class Target_i386): Define new virtual method to
	override do_is_local_label_name in parent.
	* object.cc (Sized_relobj::do_count_local_symbols): Discard
	local symbols if --discard-locals or -X is given.
	* options.h (class General_options): Declare new options
	'--discard-locals' and '-X' for discarding locals.
	* target.h (class Target): Define new methods is_local_label_name.
	Declare new virtual method do_is_local_label_name.
	* target.cc: New file.
	* testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
	(check_SCRIPTS): Add discard_locals_test.sh.
	(check_DATA): Add discard_local_tests.syms.
	(discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
	(discard_local_tests.syms, discard_locals_test.o): New make rules.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/discard_locals_test.c: New file.
	* testsuite/discard_locals_test.sh: Same.
2009-06-05 21:32:57 +00:00
Ian Lance Taylor
3695968186 2009-03-23 Ian Lance Taylor <iant@google.com>
* freebsd.h: New file.
	* i386.cc: Include "freebsd.h".
	(Target_i386): Derive from Target_freebsd rather than
	Sized_target.
	(Target_selector_i386): Derive from Target_selector_freebsd rather
	than Target_selector.
	* x86_64.cc: Include "freebsd.h".
	(Target_x86_64): Derive from Target_freebsd rather than
	Sized_target.
	(Target_selector_x86_64): Derive from Target_selector_freebsd
	rather than Target_selector.
	* target.h (class Target): Add adjust_elf_header and
	do_adjust_elf_header.
	* output.cc (Output_file_header:: do_sized_write): Call target
	adjust_elf_header routine.
	* configure.tgt: Set targ_osabi.
	* configure.ac: Define GOLD_DEFAULT_OSABI.
	* parameters.cc (Parameters::default_target): Pass
	GOLD_DEFAULT_OSABI to select_target.
	* target-select.h (class Target_selector): Make instantiate_target
	protected rather than private.
	* Makefile.am (HFILES): Add freebsd.h.
	* configure, Makefile.in, config.in: Rebuild.
2009-03-24 00:31:29 +00:00
Ian Lance Taylor
031cdbed18 PR 9918
* target-reloc.h (relocate_section): Pass output_section to
	relocate.
	* i386.cc (Target_i386::should_apply_static_reloc): Add
	output_section parameter.  Change all callers.
	(Target_i386::Relocate::relocate): Add output_section parameter.
	* x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
	* sparc.cc (Target_sparc::Relocate::relocate): Likewise.
	* powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
	* testsuite/two_file_shared.sh: New script.
	* testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
	(check_DATA): Add two_file_shared.dbg.
	(two_file_shared.dbg): New target.
	* testsuite/Makefile.in: Rebuild.
2009-03-04 06:46:27 +00:00
Cary Coutant
5efc7cd2d6 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
to __tls_get_addr.
	* x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.

	* ChangeLog: Fixed typo in previous ChangeLog entry (version 1.9).
2009-01-30 00:21:46 +00:00
Sriraman Tallam
6d03d481a0 2009-01-20 Sriraman Tallam <tmsriram@google.com>
* Makefile.am (CCFILES): Add gc.cc.
	(HFILES): Add gc.h.
	* Makefile.in: Regenerate.
	* gold.cc (Gc_runner): New class.
	(queue_initial_tasks): Call garbage collection related tasks
	when corresponding options are invoked.
	(queue_middle_gc_tasks): New function.
	(queue_middle_tasks): Reorder tasks to allow relocs to be read and
	processed early before laying out sections during garbage collection.
	* gold.h (queue_middle_gc_tasks): New function.
	(is_prefix_of): Move from "layout.cc".
	* i386.cc (Target_i386::gc_process_relocs): New function.
	* layout.cc (is_prefix_of): Remove. Move to "gold.h"
	* main.cc (main): Create object of class "Garbage_collection".
	* object.cc (Relobj::copy_symbols_data): New function.
	(Relobj::is_section_name_included): New function.
	(Sized_relobj::do_layout): Allow this function to be called twice
	during garbage collection and defer layout of section during the
	first call.
	* object.h (Relobj::get_symbols_data): New function.
	(Relobj::is_section_name_included): New function.
	(Relobj::copy_symbols_data): New function.
	(Relobj::set_symbols_data): New function.
	(Relobj::get_relocs_data): New function.
	(Relobj::set_relocs_data): New function.
	(Relobj::is_output_section_offset_invalid): New pure virtual function.
	(Relobj::gc_process_relocs): New function.
	(Relobj::do_gc_process_relocs): New pure virtual function.
	(Relobj::sd_): New data member.
	(Sized_relobj::is_output_section_offset_invalid): New function.
	(Sized_relobj::do_gc_process_relocs): New function.
	* options.h (General_options::gc_sections): Modify to not be a no-op.
	(General_options::print_gc_sections): New option.
	* plugin.cc (Plugin_finish::run): Remove function call to
	Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
	* powerpc.cc (Target_powerpc::gc_process_relocs): New function.
	* reloc.cc (Read_relocs::run): Add task to process relocs and
	determine unreferenced sections when doing garbage collection.
	(Gc_process_relocs): New class.
	(Sized_relobj::do_gc_process_relocs): New function.
	(Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
	sections that are garbage collected.
	* reloc.h (Gc_process_relocs): New class.
	* sparc.cc (Target_sparc::gc_process_relocs): New function.
	* symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
	symbols whose corresponding sections are garbage collected.
	(Symbol_table::Symbol_table): Add new parameter for the garbage
	collection object.
	(Symbol_table::gc_mark_undef_symbols): New function.
	(Symbol_table::gc_mark_symbol_for_shlib): New function.
	(Symbol_table::gc_mark_dyn_syms): New function.
	(Symbol_table::resolve): Do not treat symbols seen in dynamic objects
	as garbage.
	(Symbol_table::add_from_object): Likewise.
	(Symbol_table::add_from_relobj): When building shared objects, do not
	treat externally visible symbols as garbage.
	(Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
	table information for static and relocatable links.
	* symtab.h (Symbol_table::set_gc): New function.
	(Symbol_table::gc): New function.
	(Symbol_table::gc_mark_undef_symbols): New function.
	(Symbol_table::gc_mark_symbol_for_shlib): New function.
	(Symbol_table::gc_mark_dyn_syms): New function.
	(Symbol_table::gc_): New data member.
	* target.h (Sized_target::gc_process_relocs): New pure virtual
	function.
	* x86_64.cc (Target_x86_64::gc_process_relocs): New function.
	* testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
2009-01-28 02:25:33 +00:00
Ian Lance Taylor
9c2d0ef98a * target-reloc.h (relocate_section): Check whether a symbol is
defined by the ABI before reporting an undefined symbol error.
	* target.h (Target::is_defined_by_abi): Make parameter const.
	(Target::do_is_defined_by_abi): Likewise.
	* i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
	* powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
	* sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
	* x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
	* testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
	* testsuite/Makefile.in: Rebuild.
2008-09-16 17:23:37 +00:00
Alexandre Oliva
9fa33bee6a * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
* x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
2008-09-16 04:31:25 +00:00
Alexandre Oliva
183fd0e3ed * options.h (General_options::output_is_executable): New.
(General_options::output_is_pie): New.
* i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
for shared libraries.
* x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
2008-09-16 04:23:29 +00:00
Ian Lance Taylor
de4c45bd54 * symtab.h (Symbol::use_plt_offset): New function.
* i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
	* powerpc.cc (Relocate::relocate): Likewise.
	* sparc.cc (Relocate::relocate): Likewise.
	* x86_64.cc (Relocate::relocate): Likewise.
	* testsuite/weak_plt.sh: New test.
	* testsuite/weak_plt_main.cc: New test.
	* testsuite/weak_plt_shared.cc: New test.
	* testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
	(check_PROGRAMS): Add weak_plt.
	(check_DATA): Add weak_plt_shared.so.
	(weak_plt_main_pic.o, weak_plt): New targets.
	(weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
	* testsuite/Makefile.in: Rebuild.

	* testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
	gcctestdir/ld.
	(weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
	* testsuite/Makefile.in: Rebuild.
2008-08-04 22:22:13 +00:00
Ian Lance Taylor
ef9beddf72 Handle output sections with more than 0x7fffffff bytes.
* object.h (class Relobj): Change map_to_output_ to
	output_sections_, and just keep a section pointer.  Change all
	uses.  Move comdat group support to Sized_relobj.
	(Relobj::is_section_specially_mapped): Remove.
	(Relobj::output_section): Remove poff parameter.  Change all
	callers.
	(Relobj::output_section_offset): New function.
	(Relobj::set_section_offset): Rewrite.
	(Relobj::map_to_output): Remove.
	(Relobj::output_sections): New function.
	(Relobj::do_output_section_offset): New pure virtual function.
	(Relobj::do_set_section_offset): Likewise.
	(class Sized_relobj): Add section_offsets_ field.  Add comdat
	group support from Relobj.  Update declarations.
	(Sized_relobj::get_output_section_offset): New function.
	(Sized_relobj::do_output_section_offset): New function.
	(Sized_relobj::do_set_section_offset): New function.
	* object.cc (Relobj::output_section_address): Remove.
	(Sized_relobj::Sized_relobj): Initialize new fields.
	(Sized_relobj::include_section_group): Cast find_kept_object to
	Sized_relobj.
	(Sized_relobj::include_linkonce_section): Likewise.
	(Sized_relobj::do_layout): Use separate arrays for output section
	and output offset.
	(Sized_relobj::do_count_local_symbols): Change map_to_output to
	output_sections.
	(Sized_relobj::do_finalize_local_symbols): Change map_to_output to
	output_sections and section_offsets.
	(Sized_relobj::write_local_symbols): Likewise.
	(map_to_kept_section): Compute output address directly.
	* reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
	output_sections and section_offsets.
	(Sized_relobj::write_sections): Likewise.
	(Sized_relobj::relocate_sections): Likewise.
	* symtab.cc (sized_finalize_symbol): Use output_section_offset.
	* output.h (class Output_reloc): Update declarations.  Change
	u2_.relobj to Sized_relobj*.
	(class Output_data_reloc): Change add functions to use
	Sized_relobj*.
	* output.cc (Output_reloc::Output_reloc): Change relobj to
	Sized_relobj*.
	(Output_reloc::local_section_offset): Change return type to
	Elf_Addr.  Use get_output_section_offset.
	(Output_reloc::get_address): Likewise.
	(Output_section::is_input_address_mapped): Don't call
	is_section_specially_mapped.
	(Output_section::output_offset): Likewise.
	(Output_section::output_address): Likewise.
	(Output_section::starting_output_address): Likewise.
	* copy-relocs.cc (Copy_relocs::copy_reloc): Change object
	parameter to Sized_relobj*.
	(Copy_relocs::need_copy_reloc): Likewise.
	(Copy_relocs::save): Likewise.
	* copy-relocs.h (class Copy_relocs): Update declarations.
	(class Copy_relocs::Copy_reloc_entry): Change constructor to use
	Sized_relobj*.  Change relobj_ field to Sized_relobj*.
	* target-reloc.h (relocate_for_relocatable): Change
	offset_in_output_section type to Elf_Addr.  Change code that uses
	it as well.
	* layout.cc (Layout::layout): Always set *off.
	* mapfile.cc (Mapfile::print_input_section): Use
	output_section_offset.
	* i386.cc (Target_i386::copy_reloc): Change object parameter to
	Sized_relobj*.
	* powerpc.cc (Target_powerpc::copy_reloc): Likewise.
	* sparc.cc (Target_sparc::copy_reloc): Likewise.
	* x86_64.cc (Target_x86_64::copy_reloc): Likewise.
2008-07-10 23:01:20 +00:00
Ian Lance Taylor
7d9e3d9854 * mapfile.cc: New file.
* mapfile.h: New file.
	* options.h (class General_options): Add -M/--print-map and -Map.
	* options.cc (General_options::finalize): Make -M equivalent to
	-Map -.
	* main.cc: Include <cstdio> and "mapfile.h".
	(main): Open mapfile if requested.
	* gold.cc (class Middle_runner): Add mapfile_ field.  Update
	constructor.  Change caller.
	(queue_initial_tasks): Add mapfile parameter.  Change caller.
	(queue_middle_tasks): Likewise.
	* gold.h (queue_initial_tasks, queue_middle_tasks): Update
	declarations.
	* archive.cc: Include "mapfile.h".
	(Archive::add_symbols): Add mapfile parameter.  Change all
	callers.  Pass mapfile, symbol, and reason to include_member.
	(Archive::include_all_members): Add mapfile parameter.  Change all
	callers.
	(Archive::include_member): Add mapfile, sym, and why parameters.
	Change all callers.  Report inclusion to map file.
	* archive.h: Include "fileread.h".
	(class Archive): Update declarations.
	(Archive::file): New const method.
	(class Add_archive_symbols): Add mapfile_ field.  Update
	constructor.  Change all callers.
	* readsyms.h (class Read_symbols): Likewise.
	(class Finish_group): Likewise.
	(class Read_script): Likewise.
	* common.cc: Include "mapfile.h".
	(Symbol_table::allocate_commons): Add mapfile parameter.  Change
	all callers.
	(Symbol_table::do_allocate_commons): Likewise.
	(Symbol_table::do_allocate_commons_list): Likewise.  Report common
	symbol allocation to mapfile.
	* common.h (class Allocate_commons_task): Add mapfile_ field.
	Update constructor.  Change all callers.
	* symtab.h (class Symbol_table): Update declarations.
	* layout.cc: Include "mapfile.h".
	(Layout_task_runner::run): Print information to mapfile.
	(Layout::create_gold_note): Change Output_data_fixed_space to
	Output_data_zero_fill.
	(Layout::create_build_id): Likewise.
	(Layout::print_to_mapfile): New function.
	* layout.h (class Layout_task_runner): Add mapfile_ field.  Update
	constructor.  Change caller.
	(class Layout): Declare print_to_mapfile.
	* output.cc (Output_section::Input_section::print_to_mapfile): New
	function.
	(Output_section::add_input_section): If producing a map, always
	add to input_sections_ list.
	(Output_section::do_print_to_mapfile): New function.
	(Output_segment::print_sections_to_mapfile): New function.
	(Output_segment::print_section_list_to_mapfile): New function.
	* output.h: Include "mapfile.h".
	(Output_data::print_to_mapfile): New function.
	(Output_data::do_print_to_mapfile): New virtual function.
	(Output_segment_headers::do_print_to_mapfile): New function.
	(Output_file_header::do_print_to_mapfile): New function.
	(Output_data_const::do_print_to_mapfile): New function.
	(class Output_data_const_buffer): Add map_name_ field.  Update
	constructor.  Change all callers.  Add do_print_to_mapfile
	function.
	(class Output_data_fixed_space): Likewise.
	(class Output_data_space): Likewise.
	(class Output_data_zero_fill): New class.
	(Output_data_strtab::do_print_to_mapfile): New function.
	(Output_data_reloc_base::do_print_to_mapfile): New function.
	(Output_relocatable_relocs::do_print_to_mapfile): New function.
	(Output_data_group::do_print_to_mapfile): New function.
	(Output_data_got::do_print_to_mapfile): New function.
	(Output_data_dynamic::do_print_to_mapfile): New function.
	(Output_symtab_xindex::do_print_to_mapfile): New function.
	(class Output_section): Declare do_print_to_mapflie.  Declare
	print_to_mapfile in Input_section.
	(class Output_segment): Declare new functions.
	* object.h (Sized_relobj::symbol_count): New function.
	* script-sections.cc
	(Output_section_element_dot_assignment::set_section_addresses):
	Change Output_data_fixed_space to Output_data_zero_fill.
	(Output_data_expression::do_print_to_mapfile): New function.
	* script.cc (read_input_script): Add mapfile parameter.  Change
	all callers.
	* script.h (read_input_script): Update declaration.
	* ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
	(Eh_frame::do_print_to_mapfile): New function.
	* merge.h (Output_merge_data::do_print_to_mapfile): New function.
	(Output_merge_string::do_print_to_mapfile): New function.
	* i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
	function.
	* sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
	function.
	* x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
	function.
	* Makefile.am (CCFILES): Add mapfile.cc.
	(HFILES): Add mapfile.h.
	* Makefile.in: Rebuild.
2008-05-21 21:37:44 +00:00
Ian Lance Taylor
9f1d377b33 * options.h (class General_options): Add -z relro.
* layout.cc (Layout::Layout): Initialize relro_segment_.
	(Layout::add_output_section_data): Return the output section.
	(Layout::make_output_section): Rcognize relro sections and mark
	them appropriately.
	(Layout::attach_allocated_section_to_segment): Put relro sections
	in a PT_GNU_RELRO segment.
	(Layout::create_initial_dynamic_sections): Mark the .dynamic
	section as relro.
	(Layout::segment_precedes): Sort PT_GNU_RELRO segments after
	PT_TLS segments.
	(Layout::linkonce_mapping): Map d.rel.ro.local to
	.data.rel.ro.local.
	(Layout::output_section_name): Us .data.rel.ro.local for any
	section which begins with that.
	* layout.h (class Layout): Update add_output_section_data
	declaration.  Add relro_segment_ field.
	* output.cc (Output_section::Output_section): Initialize is_relro_
	and is_relro_local_ fields.
	(Output_segment::add_output_section): Group relro sections.
	(Output_segment::is_first_section_relro): New function.
	(Output_segment::maximum_alignment): If there is a relro section,
	align the segment to the common page size.
	(Output_segment::set_section_addresses): Track whether we are
	looking at relro sections.  If the last section is a relro
	section, align to the common page size.
	(Output_segment::set_section_list_addresses): Add in_relro
	parameter.  Change all callers.  Align to the page size when
	moving from relro to non-relro section.
	(Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
	segment.
	* output.h (class Output_section): Add is_relro_ and
	is_relro_local_ fields.
	(Output_section::is_relro): New function.
	(Output_section::set_is_relro): New function.
	(Output_section::is_relro_local): New function.
	(Output_section::set_is_relro_local): New function.
	(class Output_segment): Update declarations.
	* i386.cc (Target_i386::got_section): Mark .got section as relro.
	* sparc.cc (Target_sparc::got_section): Likewise.
	* x86_64.cc (Target_x86_64::got_section): Likewise.
	* testsuite/relro_test_main.cc: New file.
	* testsuite/relro_test.cc: New file.
	* testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
	(relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
	(relro_test_LDFLAGS, relro_test_LDADD): New variables.
	(relro_test.so, relro_test_pic.o): New targets.
	* testsuite/Makefile.in: Rebuild.
2008-05-20 04:00:47 +00:00
Ian Lance Taylor
497897f98c * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
	know the dynamic type.
	* x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
	field.  Initialize it in constructor.
	(Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
	block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
	Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
	reloc.
2008-05-16 20:44:22 +00:00
Ian Lance Taylor
d98bc257cf 2008-05-05 Ian Lance Taylor <iant@google.com>
* options.h (DEFINE_bool): For DASH_Z, create the negative option
	as noVARNAME rather than no-VARNAME.
	(class General_options): Add option -z combreloc.
	* output.h (class Output_reloc) [SHT_REL]: Declare compare and
	get_address.
	(Output_reloc::sort_before) [SHT_REL]: New function.
	(Output_reloc::sort_before) [SHT_RELA]: New function.
	(class Output_data_reloc_base): Add sort_relocs_ field.  Define
	Sort_relocs_comparison.
	(Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
	parameter.  Change all callers.
	(Output_data_reloc::Output_data_reloc) [both versions]: Add
	sort_relocs parameter.  Change all callers.
	* output.cc (Output_reloc::get_address): New function, broken out
	of write_rel.
	(Output_reloc::write_rel): Call it.
	(Output_reloc::compare): New function.
	(Output_data_reloc_base::do_write): Optionally sort relocs.
2008-05-06 05:03:15 +00:00
Cary Coutant
d09e9154cf * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
R_386_PC8 relocations.
2008-04-28 23:09:21 +00:00
Ian Lance Taylor
d491d34e93 * object.cc (Xindex::initialize_symtab_xindex): New function.
(Xindex::read_symtab_xindex): New function.
	(Xindex::sym_xindex_to_shndx): New function.
	(Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
	available.
	(Sized_relobj::do_initialize_xindex): New function.
	(Sized_relobj::do_read_symbols): Adjust section links.
	(Sized_relobj::symbol_section_and_value): Add is_ordinary
	parameter.  Change all callers.
	(Sized_relobj::include_section_group): Adjust section links and
	symbol section indexes.
	(Sized_relobj::do_layout): Adjust section links.
	(Sized_relobj::do_count_local_symbols): Adjust section links and
	symbol section indexes.
	(Sized_relobj::do_finalize_local_symbols): Distinguish between
	ordinary and special symbols.
	(Sized_relobj::write_local_symbols): Add symtab_xindex and
	dynsym_xindex parameters.  Change all callers.  Adjust section
	links.  Use SHN_XINDEX when needed.
	(Sized_relobj::get_symbol_location_info): Adjust section links.
	Don't get fooled by special symbols.
	* object.h (class Xindex): Define.
	(class Object): Add xindex_ parameter.  Declare virtual functoin
	do_initialize_xindex.
	(Object::adjust_sym_shndx): New function.
	(Object::set_xindex): New protected function.
	(class Symbol_value): Add is_ordinary_shndx_ field.
	(Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
	(Symbol_value::value): Assert ordinary section.
	(Symbol_value::initialize_input_to_output_map): Likewise.
	(Symbol_value::set_input_shndx): Add is_ordinary parameter.
	Change all callers.
	(Symbol_value::input_shndx): Add is_ordinary parameter.  Change
	all callers.
	(class Sized_relobj): Update declarations.
	(Sized_relobj::local_symbol_input_shndx): Add is_ordinary
	parameter.  Change all callers.
	(Sized_relobj::adjust_shndx): New function.
	* dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
	field.
	(Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
	parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
	for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
	(Sized_dynobj::read_dynsym_section): Adjust section links.
	(Sized_dynobj::read_dynamic): Likewise.
	(Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
	section links.
	(Sized_dynobj::do_initialize_xindex): New function.
	* dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
	do_initialize_xindex.
	(Sized_dynobj::adjust_shndx): New function.
	* layout.cc (Layout::Layout): Initialize symtab_xindex_ and
	dynsym_xindex_ fields.
	(Layout::finalize): Add a call to set_section_indexes before
	creating the symtab sections.
	(Layout::set_section_indexes): Don't do anything if the section
	already has a section index.
	(Layout::create_symtab_sections): Add shnum parameter.  Change
	caller.  Create .symtab_shndx section if needed.
	(Layout::create_shdrs): Add shstrtab_section parameter.  Change
	caller.
	(Layout::allocated_output_section_count): New function.
	(Layout::create_dynamic_symtab): Create .dynsym_shndx section if
	needed.
	* layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
	fields.  Update declarations.
	(Layout::symtab_xindex): New function.
	(Layout::dynsym_xindex): New function.
	(class Write_symbols_task): Add layout_ field.
	(Write_symbols_task::Write_symbols_task): Add layout parameter.
	Change caller.
	* output.cc (Output_section_headers::Output_section_headers): Add
	shstrtab_section parameter.  Change all callers.
	(Output_section_headers::do_sized_write): Store overflow values
	for section count and section string table section index in
	section header zero.
	(Output_file_header::do_sized_write): Check for overflow of
	section count and section string table section index.
	(Output_symtab_xindex::do_write): New function.
	(Output_symtab_xindex::endian_do_write): New function.
	* output.h (class Output_section_headers): Add shstrtab_section_.
	Update declarations.
	(class Output_symtab_xindex): Define.
	(Output_section::has_out_shndx): New function.
	* symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
	field.
	(Symbol::init_base): Add st_shndx and is_ordinary parameters.
	Change all callers.
	(Sized_symbol::init): Likewise.
	(Symbol::output_section): Check for ordinary symbol.
	(Symbol_table::add_from_object): Remove orig_sym parameter.  Add
	st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
	callers.
	(Symbol_table::add_from_relobj): Add symndx_offset parameter.
	Change all callers.  Simplify handling of symbols from sections
	not included in the link.
	(Symbol_table::add_from_dynobj): Handle ordinary symbol
	distinction.
	(Weak_alias_sorter::operator()): Assert that symbols are
	ordinary.
	(Symbol_table::sized_finalize_symbol): Handle ordinary symbol
	distinction.
	(Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
	parameters.  Change all callers.
	(Symbol_table::sized_write_globals): Likewise.  Handle ordinary
	symbol distinction.  Use SHN_XINDEX when needed.
	(Symbol_table::write_section_symbol): Add symtab_xindex
	parameter.  Change all callers.
	(Symbol_table::sized_write_section_symbol): Likewise.  Use
	SHN_XINDEX when needed.
	* symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
	declarations.
	(Symbol::shndx): Add is_ordinary parameter.  Change all callers.
	(Symbol::is_defined): Check is_ordinary.
	(Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
	(Symbol::is_absolute, Symbol::is_common): Likewise.
	(class Sized_symbol): Update declarations.
	(class Symbol_table): Update declarations.
	* resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
	parameters.  Change all callers.
	(Sized_symbol::override): Likewise.
	(Symbol_table::override): Likewise.
	(symbol_to_bits): Add is_ordinary parameter.  Change all callers.
	(Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
	is_ordinary, and orig_st_shndx parameters.  Change all callers.
	* copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
	to be in an ordinary section.
	* dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
	object and is_ordinary parameters.  Change all callers.
	(Sized_dwarf_line_info::read_relocs): Add object parameter.
	Change all callers.  Don't add undefined or non-ordinary symbols
	to reloc_map_.
	(Sized_dwarf_line_info::read_line_mappings): Add object parameter.
	Change all callers.
	* dwarf_reader.h (class Sized_dwarf_line_info): Update
	declarations.
	* ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
	* reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
	(Sized_relobj::relocate_sections): Likewise.
	* target-reloc.h (scan_relocs): Adjust section symbol index.
	(scan_relocatable_relocs): Likewise.
	* i386.cc (Scan::local): Check for ordinary symbols.
	* sparc.cc (Scan::local): Likewise.
	* x86_64.cc (Scan::local): Likewise.
	* testsuite/binary_unittest.cc (Sized_binary_test): Update calls
	to symbol_section_and_value.
	* testsuite/many_sections_test.cc: New file.
	* testsuite/Makefile.am (BUILT_SOURCES): Define.
	(check_PROGRAMS): Add many_sections_test.
	(many_sections_test_SOURCES): Define.
	(many_sections_test_DEPENDENCIES): Define.
	(many_sections_test_LDFLAGS): Define.
	(BUILT_SOURCES): Add many_sections_define.h.
	(many_sections_define.h): New target.
	(BUILT_SOURCES): Add many_sections_check.h.
	(many_sections_check.h): New target.
	(check_PROGRAMS): Add many_sections_r_test.
	(many_sections_r_test_SOURCES): Define.
	(many_sections_r_test_DEPENDENCIES): Define.
	(many_sections_r_test_LDFLAGS): Define.
	(many_sections_r_test_LDADD): Define.
	(many_sections_r_test.o): New target.
	* testsuite/Makefile.in: Rebuild.
2008-04-19 18:30:58 +00:00
Cary Coutant
edfbb02953 * i386.cc (Target_i386::define_tls_base_symbol): New function.
(Target_i386::tls_base_symbol_defined_): New field.
	(Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
	(Target_i386::Scan::global): Likewise.
	* symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
	* x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
	(Target_x86_64::tls_base_symbol_defined_): New field.
	(Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
	(Target_x86_64::Scan::global): Likewise.
2008-04-17 02:00:54 +00:00
Ian Lance Taylor
12c0daef5f * copy-relocs.cc: New file.
* copy-relocs.h: New file.
	* reloc.cc: Remove Copy_relocs code.
	* reloc.h: Likewise.
	* reloc-types.h (struct Reloc_types) [both versions]: Add
	get_reloc_addend_noerror.
	* output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
	variants of add_global which take an addend which must be zero.
	* i386.cc: Include "copy-relocs.h".
	(class Target_i386): Change type of copy_relocs_ to variable,
	update initializer.
	(Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
	Change all callers.
	(Target_i386::do_finalize_sections): Change handling of
	copy_relocs_.
	* sparc.cc: Include "copy-relocs.h".
	(class Target_sparc): Change type of copy_relocs_ to variable,
	update initializer.
	(Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
	Change all callers.
	(Target_sparc::do_finalize_sections): Change handling of
	copy_relocs_.
	* x86_64.cc: Include "copy-relocs.h".
	(class Target_x86_64): Change type of copy_relocs_ to variable,
	update initializer.
	(Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
	class.  Change all callers.
	(Target_x86_64::do_finalize_sections): Change handling of
	copy_relocs_.
	* Makefile.am (CCFILES): Add copy-relocs.cc.
	(HFILES): Add copy-relocs.h.
2008-04-16 22:54:29 +00:00
Cary Coutant
009a67a28f * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
thought unnecessary.
	* x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
2008-04-11 23:37:24 +00:00
Cary Coutant
c2b45e22d5 2008-04-11 Cary Coutant <ccoutant@google.com>
Add support for TLS descriptors for i386 and x86_64.
	* i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
	(Target_i386::Relocate::tls_desc_gd_to_le): New function.
	(Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
	GOT_TYPE_TLS_DESC.
	(Target_i386::got_mod_index_entry): Remove unnecessary code.
	(Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
	R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
	relocations.
	(Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
	Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
	Fix problem with initial-exec relocations.
	(Target_i386::Relocate::relocate_tls): Likewise.
	(Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
	relaxation.
	* output.cc (Output_data_dynamic::Dynamic_entry::write): Add
	support for section-plus-offset dynamic table entries.
	* output.h (Output_data_dynamic::add_section_plus_offset): New function.
	(Output_data_dynamic::Dynamic_entry): Add support for
	section-plus-offset dynamic table entries.
	(Output_data_dynamic::Classification): Likewise.
	(Output_data_dynamic::classification_): Renamed offset_.
	* x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
	(Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
	(Target_x86_64::make_plt_section): New function.
	(Target_x86_64::reserve_tlsdesc_entries): New function.
	(Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
	(Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
	(Output_data_plt_x86_64::has_tlsdesc_entry): New function.
	(Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
	(Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
	(Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
	(Output_data_plt_x86_64::set_final_data_size): Move out of line;
	add extra PLT entry for TLS descriptors.
	(Output_data_plt_x86_64::got_): New field.
	(Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
	(Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
	fields.
	(Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
	descriptors.
	(Target_x86_64::make_plt_entry): Factor out make_plt_section.
	(Target_x86_64::got_mod_index_entry): Remove unnecessary code.
	(Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
	R_386_TLS_DESC_CALL relocations.
	(Target_x86_64::Scan::global): Likewise.
	(Target_x86_64::do_finalize_sections): Add dynamic table entries
	for TLS descriptors.
	(Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
	Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
	(Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
	GD-to-IE relaxation.
	* configure.ac: Export new conditional variables TLS_GNU2_DIALECT
	and TLS_DESCRIPTORS.
	* Makefile.in: Rebuild.
	* configure: Rebuild.
	* testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
	(tls_test_shared2.so): New target.
	(tls_shared_gd_to_ie_test_SOURCES): New variable.
	(tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
	(tls_shared_gd_to_ie_test_LDFLAGS): New variable.
	(tls_shared_gd_to_ie_test_LDADD): New variable.
	(tls_shared_gnu2_gd_to_ie_test): New target.
	(tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
	New targets.
	(tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
	(ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
	(tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
	(tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
	(tls_shared_gnu2_test): New target.
	(tls_test_gnu2_shared.so): New target.
	(tls_shared_gnu2_test_SOURCES): New variable.
	(tls_shared_gnu2_test_DEPENDENCIES): New variable.
	(tls_shared_gnu2_test_LDFLAGS): New variable.
	(tls_shared_gnu2_test_LDADD): New variable.
	* testsuite/Makefile.in: Rebuild.
	* testsuite/Makefile.
2008-04-11 21:24:30 +00:00
Ian Lance Taylor
0864d55193 * options.h (class General_options): Define --wrap as a special
option.  Add wrap_symbols_ field.
	(General_options::any_wrap_symbols): New function.
	(General_options::is_wrap_symbol): New function.
	* options.cc (General_options::parse_wrap): New function.
	(General_options::General_options): Initialize wrap_symbols_.
	* symtab.cc (Symbol_table::wrap_symbol): New function.
	(Symbol_table::add_from_object): Handle --wrap.
	* symtab.h (class Symbol_table): Declare wrap_symbol.
	* target.h (Target::wrap_char): New function.
	(Target::Target_info): Add wrap_char field.
	* i386.cc (Target_i386::i386_info): Initialize wrap_char.
	* x86_64.cc (Target_x86_64::x86_64_info): Likewise.
	* testsuite/testfile.cc (Target_test::test_target_info):
	Likewise.
2008-04-09 00:48:13 +00:00
Ian Lance Taylor
e96caa7910 * options.cc (options::help): Print list of supported targets.
* target-select.h: Include <vector>.
	(class Target_selector): Make machine_, size_, and is_big_endian_
	fields const.  Add bfd_name_ and instantiated_target_ fields.
	(Target_selector::Target_selector): Add bfd_name parameter.
	(Target_selector::recognize): Make non-virtual, call
	do_recognize.
	(Target_selector::recognize_by_name): Make non-virtual, call
	do_recognize_by_name.
	(Target_selector::supported_names): New function.
	(Target_selector::bfd_name): New function.
	(Target_selector::do_instantiate_target): New pure virtual
	function.
	(Target_selector::do_recognize): New virtual function.
	(Target_selector::do_recognize_by_name): New virtual function.
	(Target_selector::instantiate_target): New private function.
	(supported_target_names): Declare.
	* target-select.cc (Target_selector::Target_selector): Update for
	new parameter and fields.
	(select_target_by_name): Check that the name matches before
	calling recognize_by_name.
	(supported_target_names): New function.
	* i386.cc (class Target_selector_i386): Update Target_selector
	constructor call.  Remove recognize and recognize_by_name.  Add
	do_instantiate_target.
	* x86_64.cc (class Target_selector_x86_64): Likewise.
	* testsuite/testfile.cc (class Target_selector_test): Update for
	changes to Target_selector.
2008-03-25 21:39:01 +00:00
Cary Coutant
0a65a3a740 * i386.cc (Target_i386::Got_type): New enum declaration.
(Target_i386::Scan::local): Updated callers of Output_data_got
	member functions.
	(Target_i386::Scan::global): Likewise.
	(Target_i386::Relocate::relocate): Likewise.
	(Target_i386::Relocate::relocate_tls): Likewise.
	* object.h (Got_offset_list): New class.
	(Sized_relobj::local_has_got_offset): Added got_type parameter.
	(Sized_relobj::local_got_offset): Likewise.
	(Sized_relobj::set_local_got_offset): Likewise.
	(Sized_relobj::local_has_tls_got_offset): Removed.
	(Sized_relobj::local_tls_got_offset): Removed.
	(Sized_relobj::set_local_tls_got_offset): Removed.
	(Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
	* output.cc (Output_data_got::add_global): Added got_type parameter.
	(Output_data_got::add_global_with_rel): Likewise.
	(Output_data_got::add_global_with_rela): Likewise.
	(Output_data_got::add_global_pair_with_rel): New function.
	(Output_data_got::add_global_pair_with_rela): New function.
	(Output_data_got::add_local): Added got_type parameter.
	(Output_data_got::add_local_with_rel): Likewise.
	(Output_data_got::add_local_with_rela): Likewise.
	(Output_data_got::add_local_pair_with_rel): New function.
	(Output_data_got::add_local_pair_with_rela): New function.
	(Output_data_got::add_global_tls): Removed.
	(Output_data_got::add_global_tls_with_rel): Removed.
	(Output_data_got::add_global_tls_with_rela): Removed.
	(Output_data_got::add_local_tls): Removed.
	(Output_data_got::add_local_tls_with_rel): Removed.
	(Output_data_got::add_local_tls_with_rela): Removed.
	* output.h (Output_data_got::add_global): Added got_type parameter.
	(Output_data_got::add_global_with_rel): Likewise.
	(Output_data_got::add_global_with_rela): Likewise.
	(Output_data_got::add_global_pair_with_rel): New function.
	(Output_data_got::add_global_pair_with_rela): New function.
	(Output_data_got::add_local): Added got_type parameter.
	(Output_data_got::add_local_with_rel): Likewise.
	(Output_data_got::add_local_with_rela): Likewise.
	(Output_data_got::add_local_pair_with_rel): New function.
	(Output_data_got::add_local_pair_with_rela): New function.
	(Output_data_got::add_global_tls): Removed.
	(Output_data_got::add_global_tls_with_rel): Removed.
	(Output_data_got::add_global_tls_with_rela): Removed.
	(Output_data_got::add_local_tls): Removed.
	(Output_data_got::add_local_tls_with_rel): Removed.
	(Output_data_got::add_local_tls_with_rela): Removed.
	* resolve.cc (Symbol::override_base_with_special): Removed
	reference to has_got_offset_ field.
	* symtab.cc (Symbol::init_fields): Replaced initialization
	of got_offset_ with got_offsets_.  Removed initialization
	of has_got_offset_
	*symtab.h (Symbol::has_got_offset): Aded got_type parameter.
	(Symbol::got_offset): Likewise.
	(Symbol::set_got_offset): Likewise.
	(Symbol::has_tls_got_offset): Removed.
	(Symbol::tls_got_offset): Removed.
	(Symbol::set_tls_got_offset): Removed.
	(Symbol::got_offset_): Removed.
	(Symbol::tls_mod_got_offset_): Removed.
	(Symbol::tls_pair_got_offset_): Removed.
	(Symbol::got_offsets_): New field.
	(Symbol::has_got_offset): Removed.
	(Symbol::has_tls_mod_got_offset): Removed.
	(Symbol::has_tls_pair_got_offset): Removed.
	* x86_64.cc (Target_x86_64::Got_type): New enum declaration.
	(Target_x86_64::Scan::local): Updated callers of Output_data_got
	member functions.
	(Target_x86_64::Scan::global): Likewise.
	(Target_x86_64::Relocate::relocate): Likewise.
	(Target_x86_64::Relocate::relocate_tls): Likewise.
2008-03-25 18:37:16 +00:00
Ian Lance Taylor
ebdbb4583d Update copyright years. Update language files. 2008-03-13 21:04:21 +00:00
Ian Lance Taylor
7d1a9ebbf2 Remove gcc 3.2 compatibility hacks. 2008-02-29 19:19:17 +00:00
Ian Lance Taylor
8851eccaec From Craig Silverstein: Have Parameters point to General_options. 2008-02-28 00:18:24 +00:00
Ian Lance Taylor
7019cd2565 Implement -q/--emit-relocs. 2008-02-27 22:38:18 +00:00
Ian Lance Taylor
cd72c29180 From Craig Silverstein: implement -z max-page-size and -z
common-page-size.
2008-02-26 22:10:32 +00:00
Ian Lance Taylor
0daa6f62c8 Support selecting target by name. 2008-02-13 02:44:50 +00:00
Ian Lance Taylor
dceae3c154 Support dynamic relocations against local section symbols. 2008-02-12 00:28:48 +00:00
Ian Lance Taylor
8fc19601e8 From Cary Coutant: fix handling of undefined symbols in shared
libraries.
2008-02-08 22:49:22 +00:00
Ian Lance Taylor
6a74a71947 Initial -r support. 2008-02-06 08:13:50 +00:00
Ian Lance Taylor
03e8f2b225 From Cary Coutant: Fix a case in which code takes the address of a
function and also calls it directly.
2008-02-01 00:39:10 +00:00
Ian Lance Taylor
9b07f471e3 Don't pass around the target in order to define symbols; get it from
the parameters instead.
2008-01-26 01:17:45 +00:00
Ian Lance Taylor
0700cf329e From Cary Coutant: Fix mixing PIC and non-PIC relocs in the same
shared library.
2008-01-23 07:15:59 +00:00
Ian Lance Taylor
99f8facac9 From Cary Coutant: Fix handling of versioned symbols, add some tests. 2007-12-21 23:31:19 +00:00
Ian Lance Taylor
fe8718a463 Convert more instances of off_t to be 32-bit types. 2007-12-20 21:21:24 +00:00
Ian Lance Taylor
535890bb64 From Cary Coutant: Set DF_STATIC_TLS as appropriate. 2007-12-11 23:30:52 +00:00
Ian Lance Taylor
94c4710f80 From Cary Coutant: Handle TLS entry for TLS module index. 2007-12-11 04:23:05 +00:00
Ian Lance Taylor
e8c846c359 From Cary Coutant: Fix handling of RELATIVE RELA relocs. 2007-12-07 19:32:59 +00:00
Ian Lance Taylor
7bf1f8020f From Cary Coutant: More support for generating shared libraries. 2007-12-06 05:55:50 +00:00
Ian Lance Taylor
27bc2bce09 Clean up setting address and section offset. 2007-11-29 20:10:17 +00:00